/* ================================================
    エアコンクリーニングページ専用CSS
    カラー：#6cabdf（スカイブルー） / #17224c（ネイビー） / #c9a227（ゴールド）
    resume-mate.jp 風さわやかパレット
================================================ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap');

/* ==============================================
    1. カラートークン & ベース設定
============================================== */
.aircon-page {
    --ac-color-dark: #17224c;
    --ac-color-primary: #6cabdf;
    --ac-color-primary-dark: #4a8fc7;
    --ac-color-accent: #c9a227;
    --ac-color-bg-light: #f2f9ff;
    --ac-color-bg-soft: #e3effd;
    --ac-color-surface: #ffffff;
    --ac-color-border: #e3effd;
    --ac-color-text: #2a3556;
    --ac-color-muted: #6b7691;
    --ac-radius-lg: 16px;
    --ac-radius-md: 10px;
    --ac-shadow-card: 0 15px 45px rgba(108, 171, 223, 0.12);
    --ac-shadow-subtle: 0 4px 12px rgba(108, 171, 223, 0.08);
    scroll-behavior: smooth;
}

.aircon-page main {
    font-family: 'Noto Sans JP', 'Montserrat', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ac-color-text);
    line-height: 1.8;
    letter-spacing: 0.02em;
}

.aircon-page main h1,
.aircon-page main h2,
.aircon-page main h3,
.aircon-page main h4,
.aircon-page main .ac-section-badge,
.aircon-page main .ac-reason-number {
    font-family: 'Montserrat', 'Noto Sans JP', sans-serif;
    letter-spacing: 0.03em;
}

.aircon-page main .l-content {
    padding-top: 0;
}

/* ==============================================
    2. セクション共通
============================================== */
.aircon-page section {
    padding: 100px 0;
    position: relative;
    z-index: 1;
}

.aircon-page .ac-section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

.ac-section-fullwidth {
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.aircon-page .ac-section-header {
    margin-bottom: 60px;
    text-align: center;
}

.aircon-page .ac-section-badge {
    background: rgba(108, 171, 223, 0.15);
    color: var(--ac-color-primary);
    font-weight: 700;
    display: inline-block;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 14px;
    letter-spacing: 0.5px;
}

.aircon-page .ac-section-title {
    font-size: clamp(30px, 4vw, 42px);
    font-weight: 800;
    margin-top: 16px;
    color: var(--ac-color-dark);
    text-align: center;
}

.aircon-page .ac-section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
    margin: 20px auto 0;
    border-radius: 4px;
}

.aircon-page .ac-section-subtitle {
    text-align: center;
    font-size: 15px;
    color: var(--ac-color-muted);
    margin: 18px auto 0;
    max-width: 720px;
    line-height: 2;
    letter-spacing: 0.04em;
    font-weight: 500;
}


/* ==============================================
    3. ボタン共通
============================================== */
.aircon-page .ac-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.aircon-page .ac-btn i {
    font-size: 18px;
}

.aircon-page .ac-btn-primary {
    background: var(--ac-color-primary);
    color: var(--ac-color-dark);
    border: 2px solid var(--ac-color-primary);
    box-shadow: 0 10px 25px rgba(108, 171, 223, 0.3);
}

.aircon-page .ac-btn-primary:hover {
    background: var(--ac-color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(108, 171, 223, 0.45);
}

.aircon-page .ac-btn-outline {
    background: transparent;
    border: 2px solid #ffffff;
    color: #ffffff;
}

.aircon-page .ac-btn-outline:hover {
    background: #5a9ad0;
    border-color: #5a9ad0;
    transform: translateY(-1px);
}

.aircon-page .ac-btn-outlinec {
    background: transparent;
    border: 2px solid var(--ac-color-primary);
    color: var(--ac-color-primary);
}

.aircon-page .ac-btn-outlinec:hover {
    background: rgba(108, 171, 223, 0.1);
    transform: translateY(-1px);
}

/* ==============================================
    4. ヒーローセクション
============================================== */
.aircon-page .ac-hero {
    min-height: 100vh;
    min-height: 100dvh; /* モバイルブラウザのアドレスバー考慮 */
    padding: 0;
    position: relative;
    z-index: 1;
    overflow: hidden;
    display: flex;
    align-items: center;
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    max-width: none;
    background: linear-gradient(135deg, var(--ac-color-dark) 0%, #2a3a6e 60%, #4a8fc7 100%);
}

.aircon-page .ac-hero::after {
    content: '';
    position: absolute;
    top: 60px;
    right: -120px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(201, 162, 39, 0.22) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
    z-index: 1;
}

/* (旧アーチ装飾は廃止 — ヘッダー透明化で画像を上まで見せる) */

.aircon-page .ac-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(135deg, rgba(23, 34, 76, 0.78) 0%, rgba(74, 143, 199, 0.55) 100%),
        url('../img/airconditioner/eye_airconditioner.jpg');
    background-size: cover, cover;
    background-position: center, center;
    background-repeat: no-repeat, no-repeat;
    z-index: -1;
    filter: brightness(0.85) contrast(1.05) saturate(1.05);
    animation: kenBurns 25s ease-in-out infinite alternate;
}

@keyframes kenBurns {
    0%   { background-position: 50% 50%, 50% 50%; }
    100% { background-position: 55% 45%, 55% 45%; }
}

.aircon-page .ac-hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 180px 0 100px;
}

.aircon-page .ac-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr);
    gap: 50px;
    align-items: center;
}

/* テキストブロック(モダンインパクト版)を右カラムに配置 */
.aircon-page .ac-hero-card {
    grid-column: 2;
    position: relative;
    padding: 0 0 0 32px;
    background: transparent;
    border: none;
    box-shadow: none;
}

/* 各子要素のエントランスアニメ(段階的に登場) */
.aircon-page .ac-hero-card > * {
    opacity: 0;
    animation: heroItemIn 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.aircon-page .ac-hero-ribbon { animation-delay: 0.15s; }
.aircon-page .ac-hero-title { animation-delay: 0.35s; }
.aircon-page .ac-hero-subtitle { animation-delay: 0.55s; }
.aircon-page .ac-hero-stats { animation-delay: 0.75s; }
.aircon-page .ac-hero-cta { animation-delay: 0.95s; }

@keyframes heroItemIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 左端の太いゴールド→水色アクセントライン */
.aircon-page .ac-hero-card::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--ac-color-accent) 0%, var(--ac-color-primary) 70%, transparent 100%);
    border-radius: 0;
}

/* ゴールドの脈動グロウマーカー */
.aircon-page .ac-hero-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: -4px;
    width: 12px;
    height: 80px;
    background: var(--ac-color-accent);
    border-radius: 0 6px 6px 0;
    box-shadow:
        0 0 30px 4px var(--ac-color-accent),
        0 0 60px 12px rgba(201, 162, 39, 0.45);
    animation: glowSlide 3s ease-in-out infinite;
}

@keyframes glowSlide {
    0%, 100% { transform: translateY(0); opacity: 0.95; }
    50% { transform: translateY(120px); opacity: 0.7; }
}

/* 「地元プロが直接対応」リボン(エントランス + 脈動グロウ) */
.aircon-page .ac-hero-ribbon {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--ac-color-accent) 0%, #a78420 100%);
    color: var(--ac-color-dark);
    font-weight: 900;
    font-size: 14px;
    padding: 10px 22px;
    /* border-radius: 50px; */
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 32px;
    animation:
        heroItemIn 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) 0.15s both,
        ribbonPulse 2.5s ease-in-out 1.2s infinite;
}

.aircon-page .ac-hero-ribbon i {
    font-size: 14px;
}

@keyframes ribbonPulse {
    0%, 100% {
        box-shadow:
            0 8px 24px -4px rgba(201, 162, 39, 0.5),
            0 0 0 0 rgba(201, 162, 39, 0.3);
    }
    50% {
        box-shadow:
            0 10px 30px -2px rgba(201, 162, 39, 0.7),
            0 0 0 10px rgba(201, 162, 39, 0);
    }
}

/* MASSIVE タイトル */
.aircon-page .ac-hero-title {
    font-size: clamp(28px, 3.5vw, 38px);
    color: rgba(255, 255, 255, 0.92);
    font-weight: 700;
    line-height: 1.25;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.55);
    text-align: left;
    margin: 0 0 28px;
    letter-spacing: -0.005em;
}

/* 地域名 — 蛍光ペン+大きめ */
.aircon-page .ac-hero-areas {
    display: inline-block;
    color: #ffffff;
    background: linear-gradient(180deg,
        transparent 62%,
        rgba(201, 162, 39, 0.45) 62%,
        rgba(201, 162, 39, 0.45) 92%,
        transparent 92%);
    padding: 0 6px;
    font-weight: 900;
}

/* メインコピー部 — 巨大化(1行強制)+ グラデーションシマー */
.aircon-page .ac-hero-title .ac-highlight {
    color: #ffffff;
    position: relative;
    display: inline-block;
    font-size: clamp(32px, 4vw, 52px);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.03em;
    white-space: nowrap;
    background: linear-gradient(110deg,
        #ffffff 0%,
        var(--ac-color-accent) 30%,
        #ffffff 50%,
        var(--ac-color-accent) 70%,
        #ffffff 100%);
    background-size: 250% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
    filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.4));
    margin-top: 6px;
    animation: shimmer 5s ease-in-out infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 50%; }
    100% { background-position: -50% 50%; }
}

.aircon-page .ac-hero-title .ac-highlight::before {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 60%;
    height: 4px;
    background: linear-gradient(90deg, var(--ac-color-accent) 0%, transparent 100%);
    z-index: 0;
    border-radius: 4px;
}

.aircon-page .ac-hero-subtitle {
    color: rgba(255, 255, 255, 0.92);
    font-size: 16px;
    margin: 0 0 32px;
    max-width: 100%;
    line-height: 1.95;
    letter-spacing: 0.02em;
}

/* 「地元業者」を強調するインライン装飾(白文字+ゴールド蛍光ペン) */
.aircon-page .ac-hero-em {
    display: inline-block;
    color: #ffffff;
    font-weight: 900;
    font-size: 1.18em;
    letter-spacing: 0.02em;
    padding: 0 6px;
    background: linear-gradient(180deg,
        transparent 60%,
        rgba(201, 162, 39, 0.45) 60%,
        rgba(201, 162, 39, 0.45) 92%,
        transparent 92%);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* 信頼の3指標バー — BIG NUMBER スタイル */
.aircon-page .ac-hero-stats {
    list-style: none;
    margin: 0 0 36px;
    padding: 24px 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.aircon-page .ac-hero-stats li {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    text-align: left;
    color: #ffffff;
    padding: 0 16px;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.aircon-page .ac-hero-stats li:first-child { padding-left: 0; }
.aircon-page .ac-hero-stats li:last-child {
    border-right: none;
    padding-right: 0;
}

.aircon-page .ac-hero-stats i {
    color: var(--ac-color-accent);
    font-size: 14px;
    margin-bottom: 2px;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.aircon-page .ac-hero-stats li:hover i {
    transform: translateY(-4px) scale(1.2);
}

.aircon-page .ac-hero-stats li {
    transition: transform 0.3s ease;
}

.aircon-page .ac-hero-stats li:hover {
    transform: translateY(-2px);
}

.aircon-page .ac-hero-stat-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.65);
    letter-spacing: 0.18em;
    font-weight: 700;
    text-transform: uppercase;
}

.aircon-page .ac-hero-stat-value {
    display: inline-flex;
    align-items: baseline;
    gap: 4px;
    color: var(--ac-color-accent);
    line-height: 1;
    font-family: 'Montserrat', 'Noto Sans JP', sans-serif;
}

/* 数字本体 — 巨大化 */
.aircon-page .ac-hero-stat-value strong {
    font-size: clamp(38px, 4.5vw, 60px);
    font-weight: 900;
    letter-spacing: -0.04em;
    line-height: 0.95;
    background: linear-gradient(135deg, var(--ac-color-accent) 0%, #ffffff 50%, var(--ac-color-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 18px rgba(201, 162, 39, 0.55));
}

/* 単位 — 小さく白で控えめに */
.aircon-page .ac-hero-stat-value small {
    font-size: clamp(14px, 1.2vw, 16px);
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.02em;
    margin-left: 2px;
}

.ac-hero-cta {
    display: flex;
    gap: 14px;
    margin: 0;
}

.ac-hero-cta .ac-btn {
    flex: 1;
    padding: 18px 24px;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.04em;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.ac-hero-cta .ac-btn-primary {
    color: var(--ac-color-dark);
    background: linear-gradient(135deg, var(--ac-color-accent) 0%, #a78420 100%);
    border: none;
    box-shadow: 0 16px 40px -8px rgba(201, 162, 39, 0.5);
}

/* シャイン演出(ホバー時に光が走る) */
.ac-hero-cta .ac-btn-primary::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg,
        transparent 30%,
        rgba(255, 255, 255, 0.6) 50%,
        transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.7s ease;
}

.ac-hero-cta .ac-btn-primary:hover::before {
    transform: translateX(100%);
}

.ac-hero-cta .ac-btn-primary:hover {
    background: linear-gradient(135deg, #e0bd5a 0%, var(--ac-color-accent) 60%, #a78420 100%);
    color: var(--ac-color-dark);
    transform: translateY(-3px);
    box-shadow:
        0 24px 50px -8px rgba(201, 162, 39, 0.65),
        0 0 0 4px rgba(201, 162, 39, 0.2);
}

.ac-hero-cta .ac-btn-outline {
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    color: #ffffff;
    backdrop-filter: blur(8px);
}

.ac-hero-cta .ac-btn-outline:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: var(--ac-color-accent);
    color: var(--ac-color-accent);
    transform: translateY(-3px);
}

/* 背景の超巨大装飾文字(ゴールドのうっすら "AC-CLEAN") */
.aircon-page .ac-hero-content::before {
    content: "AC-CLEAN";
    position: absolute;
    bottom: 5%;
    left: -3%;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(120px, 18vw, 280px);
    font-weight: 900;
    color: rgba(201, 162, 39, 0.05);
    letter-spacing: -0.04em;
    line-height: 0.9;
    pointer-events: none;
    z-index: 0;
    white-space: nowrap;
    user-select: none;
    animation: bgTextDrift 20s ease-in-out infinite alternate;
}

@keyframes bgTextDrift {
    0%   { transform: translate(0, 0); opacity: 0.7; }
    50%  { transform: translate(20px, -10px); opacity: 1; }
    100% { transform: translate(-10px, 8px); opacity: 0.85; }
}

.aircon-page .ac-hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #ffffff;
    font-size: 14px;
    letter-spacing: 1px;
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.aircon-page .ac-hero-scroll:hover {
    opacity: 1;
}

.aircon-page .ac-scroll-line {
    width: 1px;
    height: 40px;
    background: #ffffff;
    margin-top: 8px;
    animation: scrollAnimation 1.5s infinite ease-in-out;
}

@keyframes scrollAnimation {
    0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
    30% { transform: scaleY(1); transform-origin: top; opacity: 1; }
    70% { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ==============================================
    5. Problemsセクション(エディトリアル / 信頼デザイン)
============================================== */
.aircon-page .ac-problems {
    padding: 140px 0 120px;
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    overflow: hidden;
    background:
        /* ゴールドの光(右上) */
        radial-gradient(ellipse 35% 30% at 50% 50%, rgba(201, 162, 39, 0.12) 0%, transparent 60%) 95% 5% / 200% 200% no-repeat,
        /* ネイビーの光(左下) */
        radial-gradient(ellipse 35% 35% at 50% 50%, rgba(23, 34, 76, 0.10) 0%, transparent 55%) 5% 100% / 200% 200% no-repeat,
        /* 水色のグロウ(中央) */
        radial-gradient(ellipse 30% 25% at 50% 50%, rgba(108, 171, 223, 0.08) 0%, transparent 70%) 50% 50% / 200% 200% no-repeat,
        /* ベースの淡いグラデーション */
        linear-gradient(180deg, #ffffff 0%, var(--ac-color-bg-light) 50%, #ffffff 100%);
    animation: problemsBgFlow 28s ease-in-out infinite alternate;
}

/* グラデーション全体をゆっくり流す */
@keyframes problemsBgFlow {
    0% {
        background-position: 95% 5%, 5% 100%, 50% 50%, 0 0;
    }
    50% {
        background-position: 60% 30%, 30% 70%, 70% 40%, 0 0;
    }
    100% {
        background-position: 30% 60%, 80% 30%, 35% 65%, 0 0;
    }
}

/* ドットグリッドパターン(脈動) */
.aircon-page .ac-problems::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(23, 34, 76, 0.07) 1.2px, transparent 1.2px);
    background-size: 28px 28px;
    pointer-events: none;
    z-index: 0;
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.2) 70%, transparent 100%);
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.2) 70%, transparent 100%);
    animation: dotsBreathe 8s ease-in-out infinite alternate;
}

@keyframes dotsBreathe {
    0%   { opacity: 0.55; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.04); }
}

/* 巨大なウォーターマーク文字(横にゆっくり漂う) */
.aircon-page .ac-problems::after {
    content: "PROBLEMS";
    position: absolute;
    top: 70px;
    right: -40px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(80px, 14vw, 220px);
    font-weight: 900;
    color: rgba(108, 171, 223, 0.10);
    letter-spacing: -0.04em;
    line-height: 0.85;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    animation: watermarkDrift 18s ease-in-out infinite alternate;
}

@keyframes watermarkDrift {
    0%   { transform: translate(0, 0); opacity: 0.7; }
    50%  { transform: translate(-40px, 12px); opacity: 1; }
    100% { transform: translate(20px, -8px); opacity: 0.85; }
}

/* セクション内コンテンツを背景装飾の上に */
.aircon-page .ac-problems .ac-section-inner {
    position: relative;
    z-index: 1;
}

.aircon-page .ac-problems .ac-section-subtitle {
    margin-top: 20px;
    font-size: 16px;
    color: var(--ac-color-muted);
    line-height: 1.9;
}

.aircon-page .ac-problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 16px;
}

/* 各問題カード(画像左 / 悩み右 / SOLUTION下) — 横長黄金比 */
.aircon-page .ac-problem-item {
    position: relative;
    background: #ffffff;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 14px 40px -16px rgba(23, 34, 76, 0.22);
    transition:
        box-shadow 0.4s cubic-bezier(0.2, 0.8, 0.2, 1),
        transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.aircon-page .ac-problem-item:hover {
    box-shadow: 0 28px 56px -20px rgba(23, 34, 76, 0.28);
    transform: translateY(-6px);
}

/* ============= 上部:画像 + 情報 (常に縦スタック) ============= */
.aircon-page .ac-problem-top {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}
.aircon-page .ac-problem-image {
    aspect-ratio: 16 / 9;
}

/* 画像(左) */
.aircon-page .ac-problem-image {
    position: relative;
    overflow: hidden;
    background: var(--ac-color-bg-soft);
    /* 内側下端のうっすら vignette で写真感 */
    box-shadow: inset 0 -80px 100px -60px rgba(23, 34, 76, 0.45);
}

.aircon-page .ac-problem-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.aircon-page .ac-problem-item:hover .ac-problem-image img {
    transform: scale(1.08);
}

/* 左上のゴールドブラケット (カメラファインダー風) */
.aircon-page .ac-problem-image::before {
    content: "";
    position: absolute;
    top: 14px;
    left: 14px;
    width: 28px;
    height: 28px;
    border-top: 2px solid var(--ac-color-accent);
    border-left: 2px solid var(--ac-color-accent);
    z-index: 2;
    pointer-events: none;
    transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1), height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 右下のゴールドブラケット */
.aircon-page .ac-problem-image::after {
    content: "";
    position: absolute;
    bottom: 14px;
    right: 14px;
    width: 28px;
    height: 28px;
    border-bottom: 2px solid var(--ac-color-accent);
    border-right: 2px solid var(--ac-color-accent);
    z-index: 2;
    pointer-events: none;
    transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1), height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ホバーでブラケットが少し広がる */
.aircon-page .ac-problem-item:hover .ac-problem-image::before,
.aircon-page .ac-problem-item:hover .ac-problem-image::after {
    width: 40px;
    height: 40px;
}

/* 情報(右) */
.aircon-page .ac-problem-info {
    padding: 24px 26px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 14px;
}

/* CASE + エリアタグの並び */
.aircon-page .ac-problem-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

/* CASE バッジ */
.aircon-page .ac-problem-case {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.18em;
    color: #ffffff;
    background: var(--ac-color-dark);
    padding: 5px 12px;
    border-radius: 4px;
    line-height: 1;
    position: relative;
    overflow: hidden;
}

/* スクロールで視界に入ったら "きらりん" と光る */
.aircon-page .ac-problem-case::after {
    content: "";
    position: absolute;
    top: -20%;
    left: -120%;
    width: 80%;
    height: 140%;
    background: linear-gradient(120deg,
        transparent 0%,
        rgba(255, 255, 255, 0.0) 20%,
        rgba(255, 255, 255, 0.85) 45%,
        rgba(255, 255, 255, 1) 50%,
        rgba(255, 255, 255, 0.85) 55%,
        rgba(255, 255, 255, 0.0) 80%,
        transparent 100%);
    pointer-events: none;
    transform: skewX(-22deg);
    filter: blur(2px);
    mix-blend-mode: screen;
}

.aircon-page .ac-problem-case.is-shining {
    animation: caseFlash 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.aircon-page .ac-problem-case.is-shining::after {
    animation: caseShine 1.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes caseShine {
    0%   { left: -120%; opacity: 0; }
    10%  { opacity: 1; }
    50%  { opacity: 1; }
    100% { left: 160%; opacity: 0; }
}

@keyframes caseFlash {
    0%   { transform: scale(1); box-shadow: 0 0 0 0 rgba(201, 162, 39, 0); }
    25%  { transform: scale(1.06); box-shadow: 0 0 24px 4px rgba(201, 162, 39, 0.55); }
    50%  { transform: scale(1.06); box-shadow: 0 0 24px 4px rgba(201, 162, 39, 0.55); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(201, 162, 39, 0); }
}

/* エリアタグ */
.aircon-page .ac-problem-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 4px 10px;
    border-radius: 4px;
    line-height: 1.4;
}

.aircon-page .ac-problem-tag--area {
    color: var(--ac-color-dark);
    background: rgba(201, 162, 39, 0.18);
    border: 1px solid rgba(201, 162, 39, 0.45);
}

.aircon-page .ac-problem-tag--common {
    color: #ffffff;
    background: rgba(23, 34, 76, 0.88);
}

/* タイトル */
.aircon-page .ac-problem-item h3 {
    font-size: 22px;
    font-weight: 900;
    color: var(--ac-color-dark);
    margin: 0;
    line-height: 1.45;
    letter-spacing: 0.01em;
}

/* セリフ吹き出し */
.aircon-page .ac-problem-voice {
    position: relative;
    background: #f3f6fc;
    border: 1px solid var(--ac-color-border);
    border-radius: 10px;
    padding: 12px 14px;
    margin-top: 4px;
}

/* 吹き出しの尻尾(左側、画像方向に向ける) */
.aircon-page .ac-problem-voice::before {
    content: "";
    position: absolute;
    top: 18px;
    left: -8px;
    width: 0;
    height: 0;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-right: 8px solid var(--ac-color-border);
}

.aircon-page .ac-problem-voice::after {
    content: "";
    position: absolute;
    top: 18px;
    left: -7px;
    width: 0;
    height: 0;
    border-top: 7px solid transparent;
    border-bottom: 7px solid transparent;
    border-right: 7px solid #f3f6fc;
}

.aircon-page .ac-problem-voice p {
    margin: 0;
    font-size: 14px;
    color: var(--ac-color-text);
    line-height: 1.65;
    font-weight: 600;
}

/* ============= 下部:アイスブルー + 水色枠線(中央に三角分のギャップ) ============= */
.aircon-page .ac-problem-solution {
    padding: 28px 28px 36px;
    background:
        linear-gradient(to right,
            var(--ac-color-primary) 0,
            var(--ac-color-primary) calc(50% - 16px),
            transparent calc(50% - 16px),
            transparent calc(50% + 16px),
            var(--ac-color-primary) calc(50% + 16px),
            var(--ac-color-primary) 100%
        ) top/100% 3px no-repeat,
        #f2f9ff;
    border-top: none;
    color: var(--ac-color-dark);
    text-align: center;
    position: relative;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* 視線を誘導する白い▼ */
.aircon-page .ac-problem-solution::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 16px;
    background: #ffffff;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
    z-index: 2;
    filter: drop-shadow(0 3px 4px rgba(23, 34, 76, 0.12));
}

/* 三角形の2本の斜辺のみに青いライン(底辺なし) */
.aircon-page .ac-problem-solution::after {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 16px;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 16' preserveAspectRatio='none'><polyline points='0,0 16,16 32,0' fill='none' stroke='%236cabdf' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/></svg>");
    background-repeat: no-repeat;
    background-size: 100% 100%;
    z-index: 3;
    pointer-events: none;
}

/* SOLUTION ラベルを非表示 */
/* SOLUTION ラベル — 非表示 */
.aircon-page .ac-problem-solution-label {
    display: none;
}

/* SOLUTION 本文 — スクロールでふわっと表示 */
.aircon-page .ac-problem-solution p {
    margin: 0;
    width: 100%;
    font-size: 15px;
    color: var(--ac-color-dark);
    line-height: 1.85;
    text-align: left;
    font-weight: 500;
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.aircon-page .ac-problem-solution.is-revealed p {
    opacity: 1;
    transform: translateY(0);
}

.aircon-page .ac-problem-solution p strong {
    color: var(--ac-color-dark);
    font-weight: 900;
    background: linear-gradient(180deg,
        transparent 60%,
        rgba(201, 162, 39, 0.4) 60%,
        rgba(201, 162, 39, 0.4) 92%,
        transparent 92%);
    padding: 0 2px;
}

/* ==============================================
    Problems Footer — Solution CTA(クリーム+ゴールド)
============================================== */
.aircon-page .ac-problems-footer {
    margin-top: 80px;
    padding: 60px 56px 56px;
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
    background: #f2f9ff;
    border: 1px solid rgba(108, 171, 223, 0.35);
    border-top: 3px solid var(--ac-color-primary);
    border-radius: 4px;
    position: relative;
    overflow: hidden;
    text-align: center;
    box-shadow: 0 24px 60px -20px rgba(74, 143, 199, 0.25);
}

/* 左端の水色縦ライン */
.aircon-page .ac-problems-footer::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--ac-color-primary) 0%, var(--ac-color-primary-dark) 100%);
}

/* 右下の水色装飾光 */
.aircon-page .ac-problems-footer::after {
    content: "";
    position: absolute;
    bottom: -80px;
    right: -80px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(108, 171, 223, 0.25) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
}

/* 上部の "SOLUTION" マーク */
.aircon-page .ac-problems-footer-mark {
    display: none;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 800;
    color: var(--ac-color-dark);
    letter-spacing: 0.32em;
    margin-bottom: 18px;
    padding-bottom: 12px;
    position: relative;
}

.aircon-page .ac-problems-footer-mark::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 28px;
    height: 2px;
    background: var(--ac-color-primary);
}

.aircon-page .ac-problems-footer-lead {
    font-size: clamp(20px, 2.4vw, 28px);
    font-weight: 800;
    color: var(--ac-color-dark);
    line-height: 1.6;
    margin: 0 0 12px;
    letter-spacing: 0.02em;
    position: relative;
    z-index: 1;
}

.aircon-page .ac-problems-footer-lead strong {
    color: var(--ac-color-dark);
    font-weight: 900;
    background: linear-gradient(180deg,
        transparent 60%,
        rgba(201, 162, 39, 0.45) 60%,
        rgba(201, 162, 39, 0.45) 92%,
        transparent 92%);
    padding: 0 6px;
}

.aircon-page .ac-problems-footer-sub {
    font-size: 15px;
    color: rgba(23, 34, 76, 0.7);
    line-height: 1.85;
    margin: 0 0 36px;
    position: relative;
    z-index: 1;
}

.aircon-page .ac-problems-footer-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.aircon-page .ac-problems-footer-cta .ac-btn {
    padding: 16px 32px !important;
    font-size: 15px !important;
    font-weight: 800 !important;
    border-radius: 4px !important;
    letter-spacing: 0.04em !important;
    min-width: 220px !important;
    position: relative !important;
    overflow: hidden !important;
    transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1) !important;
}

.aircon-page .ac-problems-footer-cta .ac-btn-primary {
    background: var(--ac-color-accent) !important;
    color: var(--ac-color-dark) !important;
    border: none !important;
    box-shadow: 0 12px 32px -8px rgba(201, 162, 39, 0.55) !important;
}

.aircon-page .ac-problems-footer-cta .ac-btn-primary::before {
    content: "" !important;
    position: absolute !important;
    inset: 0 !important;
    background: linear-gradient(110deg,
        transparent 30%,
        rgba(255, 255, 255, 0.45) 50%,
        transparent 70%) !important;
    transform: translateX(-100%) !important;
    transition: transform 0.6s ease !important;
}

.aircon-page .ac-problems-footer-cta .ac-btn-primary:hover::before {
    transform: translateX(100%) !important;
}

.aircon-page .ac-problems-footer-cta .ac-btn-primary:hover {
    background: linear-gradient(135deg, #e0bd5a 0%, var(--ac-color-accent) 50%, #a78420 100%) !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 18px 40px -8px rgba(201, 162, 39, 0.7) !important;
}

.aircon-page .ac-problems-footer-cta .ac-btn-outlinec {
    background: transparent !important;
    border: 1.5px solid var(--ac-color-dark) !important;
    color: var(--ac-color-dark) !important;
    backdrop-filter: none !important;
}

.aircon-page .ac-problems-footer-cta .ac-btn-outlinec:hover {
    background: var(--ac-color-dark) !important;
    color: #ffffff !important;
    border-color: var(--ac-color-dark) !important;
    transform: translateY(-3px) !important;
}

.aircon-page .ac-problems-footer-cta .ac-btn i {
    font-size: 16px !important;
    margin-right: 6px !important;
}

/* ==============================================
    6. 選ばれる理由セクション
============================================== */
.aircon-page .ac-reasons-all {
    background: linear-gradient(135deg, var(--ac-color-dark) 0%, #2a3a6e 100%);
    padding: 120px 0 0 0;
    position: relative;
    overflow: hidden;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

/* 5つの理由を繋ぐ風のフロー — スクロールで上から下へ伸びる */
.aircon-page .ac-reasons-flow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.7;
    clip-path: inset(0 0 calc((1 - var(--flow-progress, 0)) * 100%) 0);
    -webkit-clip-path: inset(0 0 calc((1 - var(--flow-progress, 0)) * 100%) 0);
    transition: clip-path 0.2s linear, -webkit-clip-path 0.2s linear;
}

/* 風の各層をふわっと揺らすアニメーション */
.aircon-page .ac-flow-main {
    animation: acBreezeMain 12s ease-in-out infinite alternate;
    transform-origin: center;
}
.aircon-page .ac-flow-mid {
    animation: acBreezeMid 16s ease-in-out infinite alternate;
    transform-origin: center;
}
.aircon-page .ac-flow-haze {
    animation: acBreezeHaze 9s ease-in-out infinite alternate;
    transform-origin: center;
}

@keyframes acBreezeMain {
    0%   { transform: translateX(0) scaleX(1); opacity: 0.85; }
    50%  { transform: translateX(2px) scaleX(1.01); opacity: 1; }
    100% { transform: translateX(-1.5px) scaleX(0.99); opacity: 0.9; }
}

@keyframes acBreezeMid {
    0%   { transform: translateX(0); opacity: 0.7; }
    50%  { transform: translateX(-2px); opacity: 1; }
    100% { transform: translateX(2px); opacity: 0.8; }
}

@keyframes acBreezeHaze {
    0%   { transform: translateX(0); opacity: 0.6; }
    50%  { transform: translateX(1.5px); opacity: 1; }
    100% { transform: translateX(-2px); opacity: 0.5; }
}

/* 背景装飾1: ゴールドの放射光(右上) */
.aircon-page .ac-reasons-all::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(201, 162, 39, 0.18) 0%, transparent 65%);
    border-radius: 50%;
    pointer-events: none;
    animation: reasonsGlow1 18s ease-in-out infinite alternate;
}

/* 背景装飾2: 巨大なREASONS文字 */
.aircon-page .ac-reasons-all::after {
    content: "REASONS";
    position: absolute;
    top: 110px;
    left: -3%;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(120px, 18vw, 280px);
    font-weight: 900;
    color: rgba(201, 162, 39, 0.05);
    letter-spacing: -0.04em;
    line-height: 0.85;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    animation: reasonsWatermark 22s ease-in-out infinite alternate;
}

@keyframes reasonsGlow1 {
    0%   { transform: translate(0, 0) scale(1); opacity: 0.85; }
    100% { transform: translate(-40px, 30px) scale(1.1); opacity: 1; }
}

@keyframes reasonsWatermark {
    0%   { transform: translate(0, 0); opacity: 0.7; }
    100% { transform: translate(50px, -10px); opacity: 1; }
}

.aircon-page .ac-reasons-header {
    text-align: center;
    padding: 0 32px 100px;
    position: relative;
    z-index: 1;
    max-width: 1100px;
    margin: 0 auto;
}

/* — WHY CHOOSE US — のアイブロウ */
.aircon-page .ac-reasons-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 32px;
}

.aircon-page .ac-reasons-eyebrow-line {
    display: inline-block;
    width: 36px;
    height: 1px;
    background: var(--ac-color-accent);
}

.aircon-page .ac-reasons-eyebrow-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.4em;
    color: var(--ac-color-accent);
    text-transform: uppercase;
}

/* タイトルブロック(数字+テキスト) */
.aircon-page .ac-reasons-title-block {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 40px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    text-align: left;
}

/* No.05 大型数字 */
.aircon-page .ac-reasons-num {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1;
    flex-shrink: 0;
    position: relative;
    padding-right: 32px;
    overflow: visible;
}

.aircon-page .ac-reasons-num::after {
    content: "";
    position: absolute;
    top: 20px;
    bottom: 14px;
    right: 0;
    width: 1px;
    background: linear-gradient(180deg, var(--ac-color-accent) 0%, transparent 100%);
}

.aircon-page .ac-reasons-num small {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--ac-color-accent);
    margin-bottom: 6px;
}

.aircon-page .ac-reasons-num strong {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(80px, 9vw, 130px);
    font-weight: 900;
    color: #ffffff;
    background: linear-gradient(180deg, #ffffff 0%, var(--ac-color-accent) 130%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
    filter: drop-shadow(0 4px 18px rgba(201, 162, 39, 0.35));
    line-height: 1.4;
    padding: 10px 4px 14px;
    display: inline-block;
    overflow: visible;
}

/* 日本語タイトル */
.aircon-page .ac-reasons-header .ac-section-title {
    color: #ffffff;
    font-weight: 900;
    font-size: clamp(22px, 2.6vw, 34px);
    line-height: 1.55;
    text-align: left;
    margin: 6px 0 0;
    letter-spacing: 0.01em;
}

.aircon-page .ac-reasons-em {
    display: inline-block;
    color: var(--ac-color-accent);
    background: linear-gradient(180deg,
        transparent 60%,
        rgba(201, 162, 39, 0.25) 60%,
        rgba(201, 162, 39, 0.25) 92%,
        transparent 92%);
    padding: 0 6px;
    font-weight: 900;
    font-size: 1.35em;
    letter-spacing: 0.04em;
}

.aircon-page .ac-reasons-keywords {
    display: inline-block;
    margin-top: 4px;
    font-size: 1.15em;
    letter-spacing: 0.02em;
}

.aircon-page .ac-reasons-header .ac-section-title::after {
    display: none; /* タイトル下のラインは廃止 */
}

/* リード文 */
.aircon-page .ac-reasons-lead {
    color: rgba(255, 255, 255, 0.75);
    font-size: 16px;
    line-height: 1.95;
    margin: 0 auto;
    max-width: 720px;
    letter-spacing: 0.02em;
    position: relative;
    padding-top: 32px;
}

.aircon-page .ac-reasons-lead::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: var(--ac-color-accent);
}

/* 各理由セクション */
.aircon-page .ac-reasons-all .ac-reason {
    padding: 100px 0;
    background: white;
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.aircon-page .ac-reason-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.aircon-page .ac-reason-reverse .ac-reason-visual {
    order: -1;
}

/* 各理由の背景 — 奇数:白+ゴールド光 / 偶数:クリーム+ドット */
.aircon-page .ac-reasons-all .ac-reason {
    position: relative;
    overflow: hidden;
}

/* 5つの理由を統一: 全て同じ白ベース + ゴールド放射光 (連続感) */
.aircon-page .ac-reason.ac-reason-1,
.aircon-page .ac-reason.ac-reason-2,
.aircon-page .ac-reason.ac-reason-3,
.aircon-page .ac-reason.ac-reason-4,
.aircon-page .ac-reason.ac-reason-5 {
    background:
        radial-gradient(ellipse 50% 60% at 90% 50%, rgba(201, 162, 39, 0.06) 0%, transparent 65%),
        radial-gradient(ellipse 30% 40% at 5% 90%, rgba(108, 171, 223, 0.05) 0%, transparent 70%),
        #ffffff;
}

/* 区切り線は撤去 — 5つが一続きに見えるように */
.aircon-page .ac-reasons-all .ac-reason + .ac-reason {
    border-top: none;
}

/* 巨大装飾番号 */
.aircon-page .ac-reasons-all .ac-reason::before {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(280px, 38vw, 560px);
    font-weight: 900;
    line-height: 0.85;
    letter-spacing: -0.05em;
    pointer-events: none;
    z-index: 0;
    user-select: none;
    animation: reasonNumDrift 18s ease-in-out infinite alternate;
}

.aircon-page .ac-reason-2::before,
.aircon-page .ac-reason-4::before {
    animation-direction: alternate-reverse;
    animation-duration: 22s;
}

@keyframes reasonNumDrift {
    0%   { transform: translateY(-50%) translateX(0) scale(1); opacity: 0.85; }
    50%  { transform: translateY(-52%) translateX(20px) scale(1.03); opacity: 1; }
    100% { transform: translateY(-48%) translateX(-15px) scale(1.02); opacity: 0.9; }
}

/* 全 reason: 統一した水色の透かし (連続感) */
.aircon-page .ac-reason.ac-reason-1::before,
.aircon-page .ac-reason.ac-reason-2::before,
.aircon-page .ac-reason.ac-reason-3::before,
.aircon-page .ac-reason.ac-reason-4::before,
.aircon-page .ac-reason.ac-reason-5::before {
    color: rgba(108, 171, 223, 0.18);
}

/* 番号は常に "コンテンツ(文字)側" に配置して画像と被らないように
   ※ 必ず .ac-reason と複合セレクタで指定して、area-blocks 等への誤適用を防ぐ */
.aircon-page .ac-reason.ac-reason-1::before { content: "01"; left: 3%; }
.aircon-page .ac-reason.ac-reason-2::before { content: "02"; right: 3%; }
.aircon-page .ac-reason.ac-reason-3::before { content: "03"; left: 3%; }
.aircon-page .ac-reason.ac-reason-4::before { content: "04"; right: 3%; }
.aircon-page .ac-reason.ac-reason-5::before { content: "05"; left: 3%; }

.aircon-page .ac-reason-content {
    position: relative;
}

/* 小型番号は背景の巨大数字と重複するため非表示 */
.aircon-page .ac-reason-number {
    display: none;
}

/* タイトル */
.aircon-page .ac-reason-title {
    font-size: clamp(24px, 2.4vw, 32px);
    font-weight: 900;
    color: var(--ac-color-dark);
    margin: 0 0 24px;
    line-height: 1.45;
    letter-spacing: 0.01em;
    position: relative;
    padding-bottom: 20px;
}

/* タイトル下の水色アクセントライン */
.aircon-page .ac-reason-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 56px;
    height: 3px;
    background: linear-gradient(90deg, var(--ac-color-primary) 0%, transparent 100%);
}

/* 本文 */
.aircon-page .ac-reason-text {
    font-size: 16px;
    color: var(--ac-color-text);
    line-height: 1.95;
    margin: 0 0 32px;
    letter-spacing: 0.02em;
}

/* チェックリスト — 罫線で区切ってエディトリアル風に */
.aircon-page .ac-reason-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 1px solid rgba(108, 171, 223, 0.3);
}

.aircon-page .ac-reason-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 4px;
    font-size: 15px;
    color: var(--ac-color-text);
    line-height: 1.6;
    border-bottom: 1px solid rgba(108, 171, 223, 0.25);
    font-weight: 600;
}

.aircon-page .ac-reason-list i {
    color: var(--ac-color-accent);
    flex-shrink: 0;
    font-size: 16px;
}

/* イメージビジュアル — シャープな角 + ゴールドコーナーアクセント */
.aircon-page .ac-reason-visual {
    border-radius: 4px;
    overflow: visible;
    box-shadow: 0 30px 60px -20px rgba(23, 34, 76, 0.25);
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.5s;
    max-height: none;
    position: relative;
}

.aircon-page .ac-reason-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 4px;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* 左上の水色L字フレーム */
.aircon-page .ac-reason-visual::before {
    content: "";
    position: absolute;
    top: -16px;
    left: -16px;
    width: 80px;
    height: 80px;
    border-top: 3px solid var(--ac-color-primary);
    border-left: 3px solid var(--ac-color-primary);
    z-index: 2;
    pointer-events: none;
    transition: top 0.4s ease, left 0.4s ease;
}

/* 右下の水色L字フレーム */
.aircon-page .ac-reason-visual::after {
    content: "";
    position: absolute;
    bottom: -16px;
    right: -16px;
    width: 80px;
    height: 80px;
    border-bottom: 3px solid var(--ac-color-primary);
    border-right: 3px solid var(--ac-color-primary);
    z-index: 2;
    pointer-events: none;
    transition: bottom 0.4s ease, right 0.4s ease;
}

.aircon-page .ac-reason-visual:hover {
    transform: translateY(-6px);
    box-shadow: 0 50px 80px -20px rgba(23, 34, 76, 0.32);
}

.aircon-page .ac-reason-visual:hover::before {
    top: -8px;
    left: -8px;
}

.aircon-page .ac-reason-visual:hover::after {
    bottom: -8px;
    right: -8px;
}

/* 画像のホバー時にラッパーをラップして overflow を制御 */
.aircon-page .ac-reason-visual {
    position: relative;
}

.aircon-page .ac-reason-visual::before,
.aircon-page .ac-reason-visual::after {
    transition: top 0.4s ease, left 0.4s ease, bottom 0.4s ease, right 0.4s ease;
}

/* エリアタブ */
.aircon-page .ac-area-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    background: #f2f9ff;
    padding: 8px;
    border-radius: 8px;
}

.aircon-page .ac-area-tab {
    flex: 1;
    padding: 12px 20px;
    border: 2px solid transparent;
    background: transparent;
    color: #374151;
    font-weight: 600;
    font-size: 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    outline: none;
}

.aircon-page .ac-area-tab.active {
    background: #6cabdf;
    color: #ffffff;
    border-color: #6cabdf;
    box-shadow: 0 2px 8px rgba(108, 171, 223, 0.3);
}

.aircon-page .ac-area-tab:hover:not(.active) {
    background: rgba(108, 171, 223, 0.1);
}

.aircon-page .ac-area-content {
    display: none;
    animation: fadeIn 0.3s ease;
}

.aircon-page .ac-area-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.aircon-page .ac-area-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.aircon-page .ac-area-features li {
    padding: 12px 0 12px 28px;
    position: relative;
    font-size: 15px;
    color: #374151;
    line-height: 1.6;
}

.aircon-page .ac-area-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #6cabdf;
    font-weight: 700;
}

/* エアコンタイプグリッド */
.aircon-page .ac-types-grid {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin-top: 24px;
    border-top: 1px solid rgba(108, 171, 223, 0.3);
}

.aircon-page .ac-type-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 16px 4px;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(108, 171, 223, 0.25);
    border-radius: 0;
    text-align: left;
}

.aircon-page .ac-type-item i {
    width: auto;
    height: auto;
    background: none;
    border: none;
    border-radius: 0;
    font-size: 16px;
    color: var(--ac-color-accent);
    flex-shrink: 0;
}

.aircon-page .ac-type-item span {
    font-size: 15px;
    font-weight: 600;
    color: var(--ac-color-text);
    line-height: 1.6;
    letter-spacing: 0;
}

.aircon-page .ac-type-item span br {
    display: none;
}

/* ターゲットカード */
.aircon-page .ac-target-cards {
    display: flex;
    flex-direction: column;
    margin-top: 24px;
    border-top: 1px solid rgba(108, 171, 223, 0.3);
}

.aircon-page .ac-target-card {
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(108, 171, 223, 0.25);
    border-radius: 0;
    padding: 18px 4px;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.aircon-page .ac-target-card h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--ac-color-dark);
    margin: 0;
    line-height: 1.5;
    min-height: auto;
    letter-spacing: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.aircon-page .ac-target-card h4::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ac-color-accent);
    flex-shrink: 0;
}

.aircon-page .ac-target-card p {
    font-size: 14px;
    color: var(--ac-color-muted);
    line-height: 1.6;
    margin: 0 0 0 16px;
}

/* ==============================================
    7. 効果セクション
============================================== */
.aircon-page .ac-effects {
    background: linear-gradient(180deg, #ffffff 0%, #f2f9ff 100%);
    padding: 100px 0 80px;
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    overflow: hidden;
}

/* 巨大なウォーターマーク文字 */
.aircon-page .ac-effects::before {
    content: "Effects";
    position: absolute;
    top: 70px;
    right: -40px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(80px, 14vw, 220px);
    font-weight: 900;
    color: rgba(108, 171, 223, 0.10);
    letter-spacing: -0.04em;
    line-height: 0.85;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    animation: watermarkDrift 18s ease-in-out infinite alternate;
}

.aircon-page .ac-effects .ac-section-inner {
    position: relative;
    z-index: 1;
}

.aircon-page .ac-effects-slider-wrapper {
    position: relative;
    margin: 60px auto 0;
    max-width: 1080px;
    padding: 0 60px;
}

/* スライダー本体 — 表示領域は1スライド分 */
.aircon-page .ac-effects-slider {
    display: flex;
    gap: 24px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    padding: 20px 0 32px;
    scrollbar-width: none;
}

.aircon-page .ac-effects-slider::-webkit-scrollbar {
    display: none;
}

/* 各スライド — スライダー幅にピッタリ */
.aircon-page .ac-effect-slide {
    flex: 0 0 100%;
    scroll-snap-align: center;
    background: white;
    border-radius: var(--ac-radius-lg);
    border: 1px solid rgba(108, 171, 223, 0.2);
    box-shadow:
        0 24px 56px -20px rgba(23, 34, 76, 0.18),
        0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    overflow: hidden;
    display: grid;
    grid-template-columns: 45% 55%;
    grid-template-rows: auto auto auto;
    align-content: center;
    min-height: 420px;
    position: relative;
    text-align: left;
}

/* 番号バッジ */
.aircon-page .ac-effect-slide::before {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 20px;
    z-index: 10;
    box-shadow: 0 8px 20px rgba(108, 171, 223, 0.35);
    font-family: 'Montserrat', sans-serif;
    letter-spacing: 0;
}

.aircon-page .ac-effect-slide[data-num]::before { content: attr(data-num); }

/* 画像 — 左半分（absolute でスライド全高を覆う） */
.aircon-page .ac-effect-slide img.ac-effect-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 45%;
    height: 100%;
    object-fit: cover;
    display: block;
    margin: 0;
}

/* 画像下部のソフト vignette */
.aircon-page .ac-effect-slide::after {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 45%;
    height: 100%;
    background:
        linear-gradient(180deg, transparent 55%, rgba(23, 34, 76, 0.35) 100%),
        linear-gradient(90deg, transparent 80%, rgba(23, 34, 76, 0.18) 100%);
    pointer-events: none;
    z-index: 1;
}

/* タイトル — eyebrow + アクセント下線 */
.aircon-page .ac-effect-slide h3 {
    grid-column: 2;
    grid-row: 1;
    font-size: 32px;
    font-weight: 800;
    color: var(--ac-color-dark);
    margin: 0;
    padding: 0 56px 0 48px;
    letter-spacing: 0.02em;
    line-height: 1.4;
    position: relative;
}

.aircon-page .ac-effect-slide h3::before {
    content: "EFFECT";
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.4em;
    color: var(--ac-color-primary);
    margin-bottom: 14px;
}

.aircon-page .ac-effect-slide h3::after {
    content: "";
    display: block;
    width: 56px;
    height: 3px;
    margin-top: 18px;
    background: linear-gradient(90deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
    border-radius: 2px;
}

/* 説明文 — リード文として大きめ */
.aircon-page .ac-effect-slide > p {
    grid-column: 2;
    grid-row: 2;
    font-size: 17px;
    color: var(--ac-color-text);
    margin: 0;
    padding: 20px 48px 0;
    line-height: 1.75;
    font-weight: 500;
}

/* リスト — 2列グリッド */
.aircon-page .ac-effect-slide ul {
    grid-column: 2;
    grid-row: 3;
    list-style: none;
    padding: 28px 48px 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 20px;
}

.aircon-page .ac-effect-slide li {
    padding: 0 0 0 30px;
    position: relative;
    font-size: 14px;
    color: var(--ac-color-text);
    line-height: 1.5;
    font-weight: 600;
    transition: color 0.3s ease, transform 0.3s ease;
}

.aircon-page .ac-effect-slide li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1px;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--ac-color-primary) 0%, var(--ac-color-primary-dark) 100%);
    border-radius: 50%;
    box-shadow: 0 2px 6px rgba(108, 171, 223, 0.3);
    transition: background 0.3s ease, transform 0.3s ease;
}

.aircon-page .ac-effect-slide li::after {
    content: '✓';
    position: absolute;
    left: 0;
    top: 1px;
    width: 20px;
    height: 20px;
    color: white;
    font-size: 14px;
    font-weight: 900;
    line-height: 20px;
    text-align: center;
}

.aircon-page .ac-effect-slide li:hover {
    color: var(--ac-color-dark);
    transform: translateX(2px);
}

.aircon-page .ac-effect-slide li:hover::before {
    background: linear-gradient(135deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
    transform: scale(1.1);
}

/* ナビゲーション (矢印) */
.aircon-page .ac-effects-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: white;
    border: 1px solid rgba(108, 171, 223, 0.3);
    box-shadow: 0 8px 24px -6px rgba(23, 34, 76, 0.18);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ac-color-primary-dark);
    transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    z-index: 5;
    padding: 0;
}

/* FontAwesome は隠して CSS で矢印描画 */
.aircon-page .ac-effects-nav i {
    display: none;
}

.aircon-page .ac-effects-nav::before {
    content: "";
    width: 10px;
    height: 10px;
    border-top: 2px solid currentColor;
    border-right: 2px solid currentColor;
    transition: transform 0.3s ease;
}

.aircon-page .ac-effects-nav--prev::before {
    transform: rotate(-135deg);
    margin-left: 4px;
}

.aircon-page .ac-effects-nav--next::before {
    transform: rotate(45deg);
    margin-right: 4px;
}

.aircon-page .ac-effects-nav:hover {
    background: linear-gradient(135deg, var(--ac-color-primary) 0%, var(--ac-color-primary-dark) 100%);
    color: white;
    border-color: transparent;
    transform: translateY(-50%) scale(1.08);
}

.aircon-page .ac-effects-nav:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
}

.aircon-page .ac-effects-nav--prev { left: 0; }
.aircon-page .ac-effects-nav--next { right: 0; }

/* ドット */
.aircon-page .ac-effects-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
}

.aircon-page .ac-effects-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(108, 171, 223, 0.35);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.aircon-page .ac-effects-dot.is-active {
    width: 32px;
    border-radius: 5px;
    background: linear-gradient(90deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
}

/* レスポンシブ */
@media (max-width: 768px) {
    .aircon-page .ac-effects-slider-wrapper {
        padding: 0 44px;
    }

    .aircon-page .ac-effect-slide {
        grid-template-columns: 1fr;
        grid-template-rows: 220px auto auto auto;
        min-height: 0;
        align-content: start;
    }

    .aircon-page .ac-effect-slide img.ac-effect-icon {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 220px;
    }

    /* モバイル時の vignette は画像トップエリアのみ */
    .aircon-page .ac-effect-slide::after {
        width: 100%;
        height: 220px;
        background:
            linear-gradient(180deg, transparent 55%, rgba(23, 34, 76, 0.35) 100%);
    }

    .aircon-page .ac-effect-slide h3 {
        grid-column: 1;
        grid-row: 2;
        font-size: 22px;
        padding: 28px 24px 0;
    }

    .aircon-page .ac-effect-slide h3::before {
        font-size: 14px;
        margin-bottom: 10px;
    }

    .aircon-page .ac-effect-slide h3::after {
        margin-top: 14px;
    }

    .aircon-page .ac-effect-slide > p {
        grid-column: 1;
        grid-row: 3;
        padding: 14px 24px 0;
        font-size: 15px;
    }

    .aircon-page .ac-effect-slide ul {
        grid-column: 1;
        grid-row: 4;
        padding: 20px 24px 32px;
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .aircon-page .ac-effect-slide::before {
        top: 16px;
        right: 16px;
        width: 44px;
        height: 44px;
        font-size: 16px;
    }

    .aircon-page .ac-effects-nav {
        width: 40px;
        height: 40px;
    }
}

/* ==============================================
    8. 作業内容セクション
============================================== */
/* セクション背景 — ソフトグラデーション + 装飾ブロブ */
.aircon-page .ac-work {
    background:
        radial-gradient(ellipse 60% 40% at 90% 10%, rgba(108, 171, 223, 0.18) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 10% 95%, rgba(201, 162, 39, 0.10) 0%, transparent 65%),
        linear-gradient(180deg, #f2f9ff 0%, #e3effd 100%);
    padding: 100px 0;
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    overflow: hidden;
}

/* うっすらドットグリッド */
.aircon-page .ac-work::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(23, 34, 76, 0.06) 1px, transparent 1px);
    background-size: 28px 28px;
    -webkit-mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, transparent 70%);
    mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* 巨大なウォーターマーク文字 */
.aircon-page .ac-work::after {
    content: "Cleaning Process";
    position: absolute;
    top: 70px;
    left: -40px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(80px, 14vw, 220px);
    font-weight: 900;
    color: rgba(108, 171, 223, 0.10);
    letter-spacing: -0.04em;
    line-height: 0.85;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    animation: watermarkDrift 18s ease-in-out infinite alternate-reverse;
}

.aircon-page .ac-work .ac-section-inner {
    position: relative;
    z-index: 1;
}

.aircon-page .ac-work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
    margin: 60px 0;
    counter-reset: work-step;
}

/* カード */
.aircon-page .ac-work-column {
    counter-increment: work-step;
    position: relative;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
    padding: 44px 32px 36px;
    border-radius: var(--ac-radius-lg);
    border: 1px solid rgba(108, 171, 223, 0.25);
    box-shadow:
        0 12px 32px -16px rgba(23, 34, 76, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.6) inset;
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.45s ease,
                border-color 0.45s ease;
    overflow: hidden;
}

/* 上端のグラデーションアクセント */
.aircon-page .ac-work-column::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: linear-gradient(90deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
}

/* 右上の番号バッジ (01/02/03) */
.aircon-page .ac-work-column::after {
    content: "0" counter(work-step);
    position: absolute;
    top: 18px;
    right: 22px;
    font-family: 'Montserrat', sans-serif;
    font-size: 56px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, rgba(108, 171, 223, 0.4) 0%, rgba(201, 162, 39, 0.35) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    pointer-events: none;
    transition: transform 0.4s ease;
}

.aircon-page .ac-work-column:hover {
    transform: translateY(-8px);
    border-color: rgba(108, 171, 223, 0.5);
    box-shadow:
        0 28px 56px -20px rgba(23, 34, 76, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.6) inset;
}

.aircon-page .ac-work-column:hover::after {
    transform: scale(1.08) rotate(-4deg);
}

/* タイトル — グラデーション下線 */
.aircon-page .ac-work-column-title {
    position: relative;
    font-size: 20px;
    font-weight: 800;
    color: var(--ac-color-dark);
    margin: 0 0 28px;
    padding-bottom: 16px;
    border-bottom: none;
    letter-spacing: 0.02em;
    z-index: 1;
}

.aircon-page .ac-work-column-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 56px;
    height: 3px;
    background: linear-gradient(90deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
    border-radius: 2px;
}

/* リスト */
.aircon-page .ac-work-list {
    list-style: none;
    padding: 0;
    margin: 0;
    position: relative;
    z-index: 1;
}

.aircon-page .ac-work-list li {
    padding: 12px 0 12px 32px;
    position: relative;
    font-size: 15px;
    color: var(--ac-color-text);
    line-height: 1.7;
    font-weight: 500;
    transition: color 0.3s ease, padding-left 0.3s ease;
}

.aircon-page .ac-work-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--ac-color-primary) 0%, var(--ac-color-primary-dark) 100%);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(108, 171, 223, 0.35);
    transition: transform 0.3s ease, background 0.3s ease;
}

.aircon-page .ac-work-list li::after {
    content: '✓';
    position: absolute;
    left: 0;
    top: 16px;
    width: 20px;
    height: 20px;
    color: white;
    font-size: 14px;
    font-weight: 900;
    line-height: 20px;
    text-align: center;
}

.aircon-page .ac-work-list li:hover {
    color: var(--ac-color-dark);
    padding-left: 38px;
}

.aircon-page .ac-work-list li:hover::before {
    background: linear-gradient(135deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
    transform: scale(1.1);
}

/* オプション作業セクション */
.aircon-page .ac-work-options {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
    border: 1px solid rgba(108, 171, 223, 0.25);
    border-radius: var(--ac-radius-lg);
    margin-top: 40px;
    padding: 40px 32px;
    position: relative;
    overflow: hidden;
}

.aircon-page .ac-work-options::before {
    content: "OPTION";
    position: absolute;
    top: -10px;
    right: 24px;
    font-family: 'Montserrat', sans-serif;
    font-size: 80px;
    font-weight: 900;
    letter-spacing: -0.04em;
    color: rgba(108, 171, 223, 0.08);
    pointer-events: none;
    line-height: 1;
}

.aircon-page .ac-work-options-title {
    position: relative;
    font-size: 20px;
    font-weight: 700;
    color: var(--ac-color-dark);
    text-align: center;
    margin-bottom: 28px;
    letter-spacing: 0.05em;
}

.aircon-page .ac-work-options-title::after {
    content: "";
    display: block;
    width: 56px;
    height: 3px;
    margin: 12px auto 0;
    background: linear-gradient(90deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
    border-radius: 2px;
}

.aircon-page .ac-work-options-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    position: relative;
}

.aircon-page .ac-work-option {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 28px 20px;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(108, 171, 223, 0.25);
    border-radius: var(--ac-radius-md);
    text-align: center;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                background-color 0.4s ease,
                border-color 0.4s ease,
                box-shadow 0.4s ease;
    overflow: hidden;
}

.aircon-page .ac-work-option::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background: linear-gradient(90deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.aircon-page .ac-work-option:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(108, 171, 223, 0.5);
    box-shadow: 0 16px 32px -16px rgba(23, 34, 76, 0.2);
}

.aircon-page .ac-work-option:hover::before {
    transform: scaleX(1);
}

.aircon-page .ac-work-option i {
    display: none;
}

.aircon-page .ac-work-option span {
    font-size: 15px;
    font-weight: 700;
    color: var(--ac-color-dark);
    letter-spacing: 0.02em;
}

@media (max-width: 846px) {
    .aircon-page .ac-work-option {
        align-items: flex-start;
    }
    .aircon-page .ac-work-option span {
        width: 100%;
        text-align: left;
    }
    .aircon-page .ac-work-options-title {
        text-align: left;
    }
    .aircon-page .ac-work-options-title::after {
        margin-left: 0;
        margin-right: 0;
    }
}

/* ==============================================
    9. 対応メーカーセクション
============================================== */
.aircon-page .ac-makers {
    background: #ffffff;
    padding: 100px 0;
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    overflow: hidden;
}

/* 巨大なウォーターマーク文字 */
.aircon-page .ac-makers::before {
    content: "Supported Brands";
    position: absolute;
    top: 70px;
    left: -40px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(80px, 14vw, 220px);
    font-weight: 900;
    color: rgba(108, 171, 223, 0.10);
    letter-spacing: -0.04em;
    line-height: 0.85;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    animation: watermarkDrift 18s ease-in-out infinite alternate;
}

.aircon-page .ac-makers .ac-section-inner {
    position: relative;
    z-index: 1;
}

.aircon-page .ac-makers-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin: 60px 0 40px;
}

@media (max-width: 1024px) {
    .aircon-page .ac-makers-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.aircon-page .ac-maker-item {
    background: var(--ac-color-bg-light);
    padding: 28px 20px;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    color: var(--ac-color-text);
    font-size: 16px;
    box-shadow: 0 2px 8px rgba(31, 41, 55, 0.06);
    transition: all 0.3s ease;
}

.aircon-page .ac-maker-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(31, 41, 55, 0.12);
}

.aircon-page .ac-makers-note,
.aircon-page .ac-area-note {
    text-align: center;
    font-size: 14px;
    color: var(--ac-color-muted);
    line-height: 1.95;
    letter-spacing: 0.03em;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(108, 171, 223, 0.15);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

/* ==============================================
    10. Before & After セクション
============================================== */
.aircon-page .ac-before-after {
    background: var(--ac-color-bg-light);
    padding: 100px 0;
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.aircon-page .ac-ba-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
    margin: 60px 0 40px;
}

.aircon-page .ac-ba-item {
    background: #FFFFFF;
    padding: 24px;
    border-radius: 16px;
}

.aircon-page .ac-ba-images {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 16px;
}

.aircon-page .ac-ba-image {
    flex: 1;
    position: relative;
    border-radius: var(--ac-radius-md);
    overflow: hidden;
}

.aircon-page .ac-ba-label {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    color: white;
    z-index: 1;
}

.aircon-page .ac-ba-before { background: #EF4444; }
.aircon-page .ac-ba-after { background: var(--ac-color-primary); }

.aircon-page .ac-ba-arrow {
    font-size: 24px;
    font-weight: 700;
    color: var(--ac-color-primary);
    flex-shrink: 0;
}

.aircon-page .ac-ba-caption {
    text-align: center;
    font-size: 14px;
    color: var(--ac-color-text);
    font-weight: 600;
}

.aircon-page .ac-ba-note {
    text-align: center;
    font-size: 15px;
    color: var(--ac-color-text);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

/* ==============================================
    11. ターゲット別セクション
============================================== */
.aircon-page .ac-targets {
    background: var(--ac-color-bg-light);
    padding: 100px 0;
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

.aircon-page .ac-targets-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 60px;
}

.aircon-page .ac-target-detail {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(31, 41, 55, 0.08);
    transition: all 0.3s ease;
}

.aircon-page .ac-target-detail:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(31, 41, 55, 0.12);
}

.aircon-page .ac-target-icon {
    width: 64px;
    height: 64px;
    background: rgba(108, 171, 223, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.aircon-page .ac-target-icon i {
    font-size: 28px;
    color: var(--ac-color-primary);
}

.aircon-page .ac-target-detail h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--ac-color-dark);
    text-align: center;
    margin-bottom: 16px;
}

.aircon-page .ac-target-desc {
    font-size: 16px;
    color: var(--ac-color-text);
    text-align: left;
    line-height: 1.8;
    margin-bottom: 24px;
}

.aircon-page .ac-target-features {
    list-style: none;
    padding: 0;
    margin-bottom: 24px;
}

.aircon-page .ac-target-features li {
    padding: 10px 0 10px 24px;
    position: relative;
    font-size: 16px;
    color: var(--ac-color-text);
}

.aircon-page .ac-target-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--ac-color-primary);
    font-weight: 700;
}

.aircon-page .ac-target-voice {
    background: var(--ac-color-bg-light);
    padding: 20px;
    border-left: 3px solid var(--ac-color-primary);
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.aircon-page .ac-voice-text {
    font-size: 14px;
    color: var(--ac-color-text);
    line-height: 1.7;
    margin-bottom: 12px;
    font-style: italic;
}

.aircon-page .ac-voice-author {
    font-size: 14px;
    color: var(--ac-color-muted);
    text-align: right;
}

/* ==============================================
    12. 料金セクション
============================================== */
.aircon-page .ac-pricing {
    background: #ffffff;
    padding: 100px 0;
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    overflow: hidden;
}

/* 巨大なウォーターマーク文字 */
.aircon-page .ac-pricing::before {
    content: "Pricing";
    position: absolute;
    top: 70px;
    left: -40px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(80px, 14vw, 220px);
    font-weight: 900;
    color: rgba(108, 171, 223, 0.18);
    letter-spacing: -0.04em;
    line-height: 0.85;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    animation: watermarkDrift 18s ease-in-out infinite alternate;
}

.aircon-page .ac-pricing .ac-section-inner {
    position: relative;
    z-index: 1;
}

/* ============= エアコン種類 — 横長ストライプ(案B) ============= */
.aircon-page .ac-price-types {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 60px auto 56px;
    max-width: 980px;
    counter-reset: price-type;
}

.aircon-page .ac-price-type {
    counter-increment: price-type;
    position: relative;
    background: #ffffff;
    padding: 28px 32px 28px 96px;
    border-radius: var(--ac-radius-md);
    border: 1px solid rgba(108, 171, 223, 0.25);
    box-shadow: 0 8px 24px -12px rgba(23, 34, 76, 0.12);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.4s ease,
                border-color 0.4s ease;
    overflow: hidden;
}

/* 左端のグラデーション縦アクセントライン */
.aircon-page .ac-price-type::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
}

/* 番号バッジ */
.aircon-page .ac-price-type::after {
    content: "0" counter(price-type);
    position: absolute;
    top: 50%;
    left: 28px;
    transform: translateY(-50%);
    font-family: 'Montserrat', sans-serif;
    font-size: 38px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    pointer-events: none;
}

.aircon-page .ac-price-type:hover {
    transform: translateX(6px);
    border-color: rgba(108, 171, 223, 0.5);
    box-shadow: 0 16px 36px -14px rgba(23, 34, 76, 0.2);
}

.aircon-page .ac-price-type h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--ac-color-dark);
    margin: 0 0 8px;
    text-align: left;
    letter-spacing: 0.02em;
}

.aircon-page .ac-price-type p {
    font-size: 14px;
    color: var(--ac-color-muted);
    line-height: 1.7;
    text-align: left;
    margin: 0;
}

/* ============= 料金の特徴 — 横長ストライプ(エアコン種類と統一) ============= */
.aircon-page .ac-pricing-features {
    margin: 0 auto 48px;
    max-width: 980px;
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
}

.aircon-page .ac-pricing-features h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--ac-color-dark);
    text-align: center;
    margin: 0 0 32px;
    letter-spacing: 0.02em;
    position: relative;
    padding-bottom: 16px;
}

.aircon-page .ac-pricing-features h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 56px;
    height: 3px;
    background: linear-gradient(90deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
    border-radius: 2px;
}

.aircon-page .ac-pricing-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    counter-reset: pricing-feature;
}

@media (max-width: 1024px) {
    .aircon-page .ac-pricing-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .aircon-page .ac-pricing-features-grid {
        grid-template-columns: 1fr;
    }
}

.aircon-page .ac-pricing-feature {
    counter-increment: pricing-feature;
    position: relative;
    background: #ffffff;
    padding: 38px 34px 34px;
    border-radius: 0 var(--ac-radius-md) var(--ac-radius-md) 0;
    border: 1px solid rgba(108, 171, 223, 0.25);
    box-shadow: 0 12px 32px -14px rgba(23, 34, 76, 0.18);
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.45s ease,
                border-color 0.45s ease,
                opacity 0.7s ease;
    overflow: hidden;
    text-align: left;
    display: block;
    opacity: 0;
    transform: translateY(28px);
}

/* スクロールで視界に入った時にふわっと立ち上がる */
.aircon-page .ac-pricing-feature.show {
    opacity: 1;
    transform: translateY(0);
}

/* スタガード(時差)出現 */
.aircon-page .ac-pricing-feature.show:nth-child(1) { transition-delay: 0s; }
.aircon-page .ac-pricing-feature.show:nth-child(2) { transition-delay: 0.08s; }
.aircon-page .ac-pricing-feature.show:nth-child(3) { transition-delay: 0.16s; }
.aircon-page .ac-pricing-feature.show:nth-child(4) { transition-delay: 0.24s; }
.aircon-page .ac-pricing-feature.show:nth-child(5) { transition-delay: 0.32s; }
.aircon-page .ac-pricing-feature.show:nth-child(6) { transition-delay: 0.40s; }

/* 左端のグラデーション縦アクセントライン(縦に流れる演出) */
.aircon-page .ac-pricing-feature::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 6px;
    background: linear-gradient(180deg,
        var(--ac-color-primary) 0%,
        var(--ac-color-accent) 50%,
        var(--ac-color-primary) 100%);
    background-size: 100% 200%;
    animation: pricingAccentFlow 5s ease-in-out infinite;
}

@keyframes pricingAccentFlow {
    0%, 100% { background-position: 0% 0%; }
    50% { background-position: 0% 100%; }
}

/* ホバー時:更に持ち上げ + シャドウ強化 + 番号のスケールアップ */
.aircon-page .ac-pricing-feature:hover {
    transform: translateY(-8px);
    border-color: rgba(108, 171, 223, 0.5);
    box-shadow: 0 26px 48px -16px rgba(23, 34, 76, 0.28);
}

.aircon-page .ac-pricing-feature h4::before {
    transition: transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.aircon-page .ac-pricing-feature:hover h4::before {
    transform: scale(1.08) translateY(-2px);
}

/* FontAwesome のアイコンは非表示 */
.aircon-page .ac-pricing-feature i {
    display: none;
}

/* タイトル — 番号を上、テキストを下に縦積み */
.aircon-page .ac-pricing-feature h4 {
    font-size: 22px;
    font-weight: 800;
    color: var(--ac-color-dark);
    margin: 0 0 14px;
    text-align: left;
    letter-spacing: 0.01em;
    line-height: 1.35;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
}

/* 番号バッジ — タイトルの上に大きく配置 */
.aircon-page .ac-pricing-feature h4::before {
    content: "0" counter(pricing-feature);
    font-family: 'Montserrat', sans-serif;
    font-size: 52px;
    font-weight: 900;
    line-height: 1;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--ac-color-primary) 0%, var(--ac-color-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    padding-right: 0.08em;
}

.aircon-page .ac-pricing-feature p {
    font-size: 15.5px;
    color: var(--ac-color-text);
    line-height: 1.85;
    text-align: left;
    margin: 0;
}

.aircon-page .ac-pricing-cta {
    background: white;
    padding: 48px 40px;
    border-radius: 16px;
    box-shadow: var(--ac-shadow-card);
    text-align: center;
}

.aircon-page .ac-pricing-cta > p {
    font-size: 18px;
    font-weight: 600;
    color: var(--ac-color-dark);
    margin-bottom: 24px;
}

.aircon-page .ac-pricing-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.aircon-page .ac-pricing-notes {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 32px;
}

.aircon-page .ac-pricing-notes li {
    font-size: 14px;
    color: var(--ac-color-muted);
}

/* ==============================================
    14. FAQセクション
============================================== */
.aircon-page .ac-faq {
    background: var(--ac-color-bg-light);
    padding: 100px 0;
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    overflow: hidden;
}

/* 巨大なウォーターマーク文字 */
.aircon-page .ac-faq::before {
    content: "FAQ";
    position: absolute;
    top: 70px;
    right: -40px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(80px, 14vw, 220px);
    font-weight: 900;
    color: rgba(108, 171, 223, 0.10);
    letter-spacing: -0.04em;
    line-height: 0.85;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    animation: watermarkDrift 18s ease-in-out infinite alternate-reverse;
}

.aircon-page .ac-faq .ac-section-inner {
    position: relative;
    z-index: 1;
}

.aircon-page .accordion {
    margin: 60px auto 0;
}

.aircon-page .accordion-header {
    background: #ffffff;
    border-radius: var(--ac-radius-md);
    border: 1px solid var(--ac-color-border);
    box-shadow: var(--ac-shadow-subtle);
    transition: all 0.3s ease;
    padding: 20px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--ac-color-dark);
    font-size: 16px;
    user-select: none;
}

.aircon-page .accordion-header:hover {
    border-color: var(--ac-color-primary);
    box-shadow: 0 6px 18px rgba(23, 34, 76, 0.10);
}

.aircon-page .accordion-header.active {
    border-color: var(--ac-color-primary);
    box-shadow: var(--ac-shadow-card);
    border-radius: var(--ac-radius-md) var(--ac-radius-md) 0 0;
    border-bottom: none;
    margin-bottom: 0;
}

.aircon-page .accordion-header span {
    flex: 1;
    padding-right: 20px;
    line-height: 1.5;
    display: flex;
    align-items: center;
    gap: 14px;
}

.aircon-page .accordion-header span::before {
    content: "Q";
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border-radius: 50%;
    background: var(--ac-color-primary);
    color: #ffffff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

/* +/× アイコン — CSS のみで描画(FontAwesome 非依存) */
.aircon-page .accordion-header i {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    margin-left: 16px;
    border-radius: 50%;
    background-color: rgba(108, 171, 223, 0.18);
    background-image:
        linear-gradient(var(--ac-color-primary), var(--ac-color-primary)),
        linear-gradient(var(--ac-color-primary), var(--ac-color-primary));
    background-size: 12px 2px, 2px 12px;
    background-position: center, center;
    background-repeat: no-repeat;
    transition: transform 0.35s ease, background-color 0.3s ease;
    font-size: 0;
}

.aircon-page .accordion-header i::before {
    content: none !important;
}

.aircon-page .accordion-header:hover i {
    background-color: rgba(108, 171, 223, 0.3);
}

.aircon-page .accordion-header.active i,
.aircon-page .accordion-item.active .accordion-header i {
    transform: rotate(45deg);
    background-color: var(--ac-color-primary);
    background-image:
        linear-gradient(#ffffff, #ffffff),
        linear-gradient(#ffffff, #ffffff);
}

.aircon-page .accordion-content {
    background: #ffffff;
    border: none;
    overflow: hidden;
    transition: height 0.5s ease, border 0.3s ease;
    height: 0;
    margin-bottom: 24px;
    border-radius: 0 0 var(--ac-radius-md) var(--ac-radius-md);
}

.aircon-page .accordion-header.active + .accordion-content {
    border: 1px solid var(--ac-color-primary);
    border-top: none;
}

.aircon-page .accordion-content span {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px 24px;
    font-size: 16px;
    color: var(--ac-color-text);
    line-height: 1.8;
}

.aircon-page .accordion-content span::before {
    content: "A";
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border-radius: 50%;
    background: var(--ac-color-accent);
    color: #ffffff;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
    margin-top: 1px;
}

/* ==============================================
    15. 対応エリアセクション
============================================== */
.aircon-page .ac-area {
    background: var(--ac-color-bg-light);
    padding: 100px 0;
    position: relative;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    overflow: hidden;
}

/* 巨大なウォーターマーク文字 */
.aircon-page .ac-area::before {
    content: "Service Area";
    position: absolute;
    top: 70px;
    right: -40px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(80px, 14vw, 220px);
    font-weight: 900;
    color: rgba(108, 171, 223, 0.18);
    letter-spacing: -0.04em;
    line-height: 0.85;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    animation: watermarkDrift 18s ease-in-out infinite alternate-reverse;
}

.aircon-page .ac-area .ac-section-inner {
    position: relative;
    z-index: 1;
}

.aircon-page .ac-area-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 0;
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 900px) {
    .aircon-page .ac-area-details {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

/* ============= 市町カード — 3段グリッド + シルエット ============= */
.aircon-page .ac-area-city {
    --city-color: #6cabdf;
    position: relative;
    background: #ffffff;
    border: 1px solid rgba(23, 34, 76, 0.08);
    border-top: 3px solid var(--city-color);
    box-shadow: 0 6px 18px -10px rgba(23, 34, 76, 0.18);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

.aircon-page .ac-area-city:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 36px -14px rgba(23, 34, 76, 0.25);
}

.aircon-page .ac-area-city--odawara { --city-color: #17224c; }
.aircon-page .ac-area-city--hakone  { --city-color: #c9a227; }
.aircon-page .ac-area-city--atami   { --city-color: #6cabdf; }

/* シルエット (市の形) — 市町名の左に配置 */
.aircon-page .ac-area-city-shape {
    width: 64px;
    height: 64px;
    object-fit: contain;
    opacity: 0.55;
    flex-shrink: 0;
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.aircon-page .ac-area-city:hover .ac-area-city-shape {
    opacity: 0.9;
    transform: scale(1.06);
}

/* メタ行 (県名 + バッジ) */
.aircon-page .ac-area-city-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    gap: 12px;
    flex-wrap: wrap;
}

.aircon-page .ac-area-city-prefecture {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--city-color);
    text-transform: uppercase;
}

.aircon-page .ac-area-city-tag {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--ac-color-muted);
    padding: 3px 10px;
    border: 1px solid rgba(201, 162, 39, 0.4);
    color: #a78420;
}

/* 市町名 — シルエット + 名前を横並び */
.aircon-page .ac-area-city-head {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 4px;
    flex-wrap: nowrap;
}

.aircon-page .ac-area-city-name-block {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.aircon-page .ac-area-city-name {
    font-size: clamp(22px, 2.4vw, 28px);
    font-weight: 900;
    color: var(--ac-color-dark);
    margin: 0;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.aircon-page .ac-area-city-name-en {
    font-family: 'Montserrat', sans-serif;
    font-size: 16px;
    font-weight: 400;
    font-style: italic;
    color: var(--ac-color-muted);
    letter-spacing: 0.04em;
}

/* エリアリスト — 流れるテキスト ・区切り */
.aircon-page .ac-area-city-list {
    font-size: 14px;
    color: var(--ac-color-text);
    line-height: 1.85;
    margin: 0;
    letter-spacing: 0.02em;
}

@media (max-width: 768px) {
    .aircon-page .ac-area-city {
        padding: 22px 20px;
        gap: 18px;
    }

    .aircon-page .ac-area-city-shape {
        width: 70px;
        height: 70px;
    }

    .aircon-page .ac-area-city-meta {
        flex-wrap: wrap;
        gap: 8px;
    }

    .aircon-page .ac-area-city-name {
        font-size: 22px;
    }

    .aircon-page .ac-area-city-name-en {
        font-size: 14px;
    }
}

.aircon-page .ac-area-detail {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--ac-shadow-subtle);
}

.aircon-page .ac-area-detail h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--ac-color-dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.aircon-page .ac-area-detail h3 i {
    color: var(--ac-color-primary);
}

.aircon-page .ac-area-content-text p {
    font-size: 16px;
    color: var(--ac-color-text);
    line-height: 1.8;
    margin-bottom: 12px;
}

.aircon-page .ac-area-content-text strong {
    color: var(--ac-color-dark);
    font-weight: 700;
}

/* .ac-area-note は .ac-makers-note と統合済み (上のルール) */

/* ============= 対応エリア — シルエット入り市町カード ============= */
.aircon-page .ac-area-map-credit {
    font-size: 12px;
    color: var(--ac-color-muted);
    margin: 16px auto 0;
    max-width: 1180px;
    text-align: left;
    line-height: 1.5;
    opacity: 0.7;
}

/* ==============================================
    15.4 ミニCTA(料金とFlowの間)
============================================== */
.aircon-page .ac-mid-cta {
    padding: 70px 0;
    background:
        radial-gradient(ellipse 60% 50% at 90% 10%, rgba(201, 162, 39, 0.18) 0%, transparent 60%),
        linear-gradient(135deg, #17224c 0%, #2a3a6e 60%, #4a8fc7 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    text-align: center;
}

.aircon-page .ac-mid-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
    z-index: 0;
}

.aircon-page .ac-mid-cta .ac-section-inner {
    position: relative;
    z-index: 1;
}

.aircon-page .ac-mid-cta-lead {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 8px;
    color: #ffffff;
    letter-spacing: 0.02em;
    line-height: 1.5;
}

.aircon-page .ac-mid-cta-lead strong {
    color: var(--ac-color-accent);
    font-weight: 800;
}

.aircon-page .ac-mid-cta-sub {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    margin: 0 0 28px;
    line-height: 1.7;
}

.aircon-page .ac-mid-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .aircon-page .ac-mid-cta {
        padding: 50px 20px;
    }
    .aircon-page .ac-mid-cta-lead {
        font-size: 18px;
        text-align: left;
    }
    .aircon-page .ac-mid-cta-buttons {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
    .aircon-page .ac-mid-cta-sub {
        text-align: left;
}
}

/* ==============================================
    15.5 ご依頼の流れ
============================================== */
.aircon-page .ac-flow {
    background: linear-gradient(180deg, #f2f9ff 0%, #ffffff 100%);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

/* 巨大なウォーターマーク文字 */
.aircon-page .ac-flow::before {
    content: "Flow";
    position: absolute;
    top: 70px;
    right: -40px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(80px, 14vw, 220px);
    font-weight: 900;
    color: rgba(108, 171, 223, 0.10);
    letter-spacing: -0.04em;
    line-height: 0.85;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    animation: watermarkDrift 18s ease-in-out infinite alternate-reverse;
}

.aircon-page .ac-flow .ac-section-inner {
    position: relative;
    z-index: 1;
}

.aircon-page .ac-flow-steps {
    max-width: 800px;
    margin: 60px auto 0;
    display: flex;
    flex-direction: column;
    gap: 36px;
    position: relative;
}

/* 縦タイムライン:ゴールド → ブルーのグラデーション線 */
.aircon-page .ac-flow-steps::before {
    content: "";
    position: absolute;
    left: 31px;
    top: 32px;
    bottom: 32px;
    width: 2px;
    background: linear-gradient(180deg,
        var(--ac-color-accent) 0%,
        var(--ac-color-primary) 50%,
        var(--ac-color-primary-dark) 100%);
    z-index: 0;
    opacity: 0.6;
}

.aircon-page .ac-flow-step {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 28px;
    align-items: stretch;
    position: relative;
    z-index: 1;
}

/* 番号サークル */
.aircon-page .ac-flow-step-num {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg,
        var(--ac-color-dark) 0%,
        var(--ac-color-primary-dark) 60%,
        var(--ac-color-primary) 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 22px;
    letter-spacing: 0.02em;
    box-shadow:
        0 8px 22px rgba(23, 34, 76, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
    border: 4px solid #ffffff;
    flex-shrink: 0;
    position: relative;
}

/* サークルのハイライトリング(脈動) */
.aircon-page .ac-flow-step-num::after {
    content: "";
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 1px solid var(--ac-color-accent);
    opacity: 0.45;
    animation: flowPulse 3s ease-in-out infinite;
}

@keyframes flowPulse {
    0%, 100% { transform: scale(1); opacity: 0.45; }
    50% { transform: scale(1.12); opacity: 0; }
}

/* カード本体 */
.aircon-page .ac-flow-step-card {
    background: #ffffff;
    border-radius: 8px;
    padding: 24px 30px 26px;
    box-shadow:
        0 10px 30px rgba(23, 34, 76, 0.08),
        0 1px 3px rgba(23, 34, 76, 0.04);
    border: 1px solid var(--ac-color-border);
    position: relative;
}

/* カードに繋がる三角タブ(マーカー側に伸びる) */
.aircon-page .ac-flow-step-card::before {
    content: "";
    position: absolute;
    left: -8px;
    top: 24px;
    width: 16px;
    height: 16px;
    background: #ffffff;
    border-left: 1px solid var(--ac-color-border);
    border-bottom: 1px solid var(--ac-color-border);
    transform: rotate(45deg);
}

/* ヘッダー部:STEPタグ + アイコン */
.aircon-page .ac-flow-step-head {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.aircon-page .ac-flow-step-tag {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    color: var(--ac-color-accent);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 4px 12px;
    background: rgba(201, 162, 39, 0.10);
    border-radius: 999px;
}

.aircon-page .ac-flow-step-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--ac-color-dark);
    margin: 0 0 10px;
    line-height: 1.5;
    letter-spacing: 0.01em;
}

.aircon-page .ac-flow-step-card p {
    font-size: 14.5px;
    color: var(--ac-color-text);
    line-height: 1.85;
    margin: 0;
}

@media (max-width: 768px) {
    .aircon-page .ac-flow {
        padding: 60px 0 50px;
    }
    .aircon-page .ac-flow-steps {
        gap: 28px;
    }
    .aircon-page .ac-flow-steps::before {
        left: 27px;
    }
    .aircon-page .ac-flow-step {
        grid-template-columns: 56px 1fr;
        gap: 18px;
    }
    .aircon-page .ac-flow-step-num {
        width: 56px;
        height: 56px;
        font-size: 19px;
        border-width: 3px;
    }
    .aircon-page .ac-flow-step-card {
        padding: 20px 22px;
    }
    .aircon-page .ac-flow-step-card::before {
        display: none;
    }
    .aircon-page .ac-flow-step-title {
        font-size: 17px;
    }
}

/* ==============================================
    16. お問い合わせセクション
============================================== */
.aircon-page .ac-contact {
    background:
        linear-gradient(135deg, rgba(23, 34, 76, 0.92) 0%, rgba(42, 58, 110, 0.88) 50%, rgba(74, 143, 199, 0.85) 100%),
        url('../img/airconditioner/eye_airconditioner_bk.jpg') center / cover no-repeat;
    color: #ffffff;
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
}

/* うっすらドットグリッド (Hero と同じテクスチャ) */
.aircon-page .ac-contact::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 28px 28px;
    -webkit-mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.5) 0%, transparent 75%);
    mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.5) 0%, transparent 75%);
    pointer-events: none;
    z-index: 0;
}

/* 巨大なウォーターマーク文字 */
.aircon-page .ac-contact::before {
    content: "Contact";
    position: absolute;
    top: 70px;
    left: -40px;
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(80px, 14vw, 220px);
    font-weight: 900;
    color: rgba(201, 162, 39, 0.18);
    letter-spacing: -0.04em;
    line-height: 0.85;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
    animation: watermarkDrift 18s ease-in-out infinite alternate;
}

.aircon-page .ac-contact .ac-section-inner {
    position: relative;
    z-index: 1;
}

.aircon-page .ac-contact .ac-section-header-center {
    text-align: center;
    margin-bottom: 60px;
}

.aircon-page .ac-contact .ac-section-badge {
    display: inline-block;
    padding: 0.5rem 1.4rem;
    background: linear-gradient(135deg, var(--ac-color-accent) 0%, #a78420 100%);
    color: var(--ac-color-dark);
    font-size: 0.875rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    margin-bottom: 1.5rem;
    border-radius: 50px;
    text-transform: uppercase;
    box-shadow: 0 8px 20px -6px rgba(201, 162, 39, 0.45);
}

.aircon-page .ac-contact .ac-section-title {
    font-size: 2.6rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    line-height: 1.4;
    position: relative;
    display: inline-block;
    padding-bottom: 28px;
}

/* タイトル下のゴールドアクセント線 (より太く長く) */
.aircon-page .ac-contact .ac-section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 88px;
    height: 4px;
    background: linear-gradient(90deg, transparent 0%, var(--ac-color-accent) 30%, var(--ac-color-accent) 70%, transparent 100%);
    border-radius: 2px;
}

/* 地域名 — ゴールドのグラデーション文字 */
.aircon-page .ac-contact .ac-contact-areas {
    background: linear-gradient(135deg, var(--ac-color-accent) 0%, #e0bd5a 50%, var(--ac-color-accent) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
    letter-spacing: 0.04em;
}

/* "エアコンクリーニング" — 下線付きの強調 */
.aircon-page .ac-contact .ac-contact-highlight {
    position: relative;
    display: inline-block;
    color: #ffffff;
}

.aircon-page .ac-contact .ac-contact-highlight::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 6px;
    background: linear-gradient(90deg, var(--ac-color-accent) 0%, rgba(201, 162, 39, 0.4) 100%);
    border-radius: 3px;
    opacity: 0.7;
    z-index: -1;
}

/* eyebrow テキスト */
.aircon-page .ac-contact .ac-contact-eyebrow {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.4em;
    color: var(--ac-color-accent);
    margin: 0 0 16px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.aircon-page .ac-contact .ac-contact-eyebrow::before,
.aircon-page .ac-contact .ac-contact-eyebrow::after {
    content: "";
    width: 32px;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--ac-color-accent) 100%);
}

.aircon-page .ac-contact .ac-contact-eyebrow::after {
    background: linear-gradient(90deg, var(--ac-color-accent) 0%, transparent 100%);
}

/* 説明文 — 左寄せ */
.aircon-page .ac-contact .ac-section-desc {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.92);
    margin: 0 auto 2.5rem;
    line-height: 2;
    max-width: 720px;
    position: relative;
    padding: 8px 0;
    text-align: left;
}

.aircon-page .ac-contact .ac-section-desc strong {
    color: var(--ac-color-accent);
    font-weight: 800;
    letter-spacing: 0.02em;
}

/* ============= Contact — 写真背景にオーバーレイの flat レイアウト ============= */

/* スラッシュ装飾のセクション見出し */
.aircon-page .ac-contact .ac-contact-header {
    text-align: center;
    margin-bottom: 56px;
    position: relative;
    z-index: 1;
}

.aircon-page .ac-contact .ac-contact-headline {
    font-size: clamp(20px, 2.4vw, 30px);
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 14px;
    letter-spacing: 0.04em;
    line-height: 1.5;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.aircon-page .ac-contact .ac-contact-slash {
    font-weight: 200;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.4em;
    line-height: 1;
}

.aircon-page .ac-contact .ac-contact-subhead {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.5em;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    text-transform: uppercase;
}

/* グリッド: 2列でセル間に縦の区切り線 */
.aircon-page .ac-contact .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 980px;
    margin: 0 auto 32px;
    position: relative;
    z-index: 1;
}

.aircon-page .ac-contact .contact-box {
    position: relative;
    background: transparent;
    border: none;
    padding: 24px 32px;
    text-align: center;
    transition: transform 0.35s ease;
    overflow: visible;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

/* 列の間に縦の区切り線 */
.aircon-page .ac-contact .contact-box + .contact-box {
    border-left: 1px solid rgba(255, 255, 255, 0.25);
}

.aircon-page .ac-contact .contact-box:hover {
    transform: translateY(-3px);
}

/* ステータス — インライン軽量バッジ (写真背景上で目立つよう調整) */
.aircon-page .ac-contact .contact-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 10px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 3px;
    font-size: 14px;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.04em;
    margin-right: 8px;
    vertical-align: middle;
}

/* 受付時間外スタイル */
.aircon-page .ac-contact .contact-status--closed {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.75);
}

.aircon-page .ac-contact .contact-status--live {
    background: rgba(34, 197, 94, 0.2);
    border-color: rgba(34, 197, 94, 0.5);
    color: #4ade80;
}

.aircon-page .ac-contact .contact-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
    animation: contactPulse 2s infinite;
}

.aircon-page .ac-contact .contact-status-dot--idle {
    background: var(--ac-color-primary);
    animation: none;
    box-shadow: none;
}

@keyframes contactPulse {
    0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6); }
    70% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
    100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* アイコン — シンプルな白いラインアイコン */
.aircon-page .ac-contact .contact-icon {
    width: 44px;
    height: 44px;
    background: transparent;
    border-radius: 0;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s ease;
    position: relative;
    z-index: 1;
    box-shadow: none;
    flex-shrink: 0;
}

.aircon-page .ac-contact .contact-box:hover .contact-icon {
    transform: translateY(-3px);
}

.aircon-page .ac-contact .contact-icon svg {
    width: 36px;
    height: 36px;
    fill: rgba(255, 255, 255, 0.95);
}

.aircon-page .ac-contact .contact-title {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
    letter-spacing: 0.04em;
    position: relative;
    z-index: 1;
    line-height: 1.5;
    text-align: center;
}

/* 電話番号 — 写真背景上で大きく白く表示 */
.aircon-page .ac-contact .contact-phone-number {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 800;
    color: #ffffff;
    letter-spacing: 0.02em;
    line-height: 1;
    text-decoration: none;
    display: inline-block;
    margin: 4px 0 0;
    transition: opacity 0.3s ease;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.aircon-page .ac-contact .contact-phone-number:hover {
    opacity: 0.85;
}

.aircon-page .ac-contact .contact-phone-prefix {
    font-size: 0.55em;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    margin-right: 4px;
}

/* 回答時間の表示 */
.aircon-page .ac-contact .contact-response-display {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(23, 34, 76, 0.04) 0%, rgba(108, 171, 223, 0.06) 100%);
    border: 1px solid rgba(108, 171, 223, 0.18);
    border-left: 4px solid var(--ac-color-primary);
    border-radius: 4px;
    margin: 0 0 22px;
    position: relative;
    z-index: 1;
}

.aircon-page .ac-contact .contact-response-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--ac-color-muted);
}

.aircon-page .ac-contact .contact-response-time {
    font-size: 22px;
    font-weight: 800;
    color: var(--ac-color-dark);
    letter-spacing: 0.02em;
    line-height: 1.2;
}

/* 共通ボタン (継承元) */
.aircon-page .ac-contact .contact-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 28px;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.04em;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.35s ease, box-shadow 0.35s ease, background 0.35s ease, color 0.35s ease;
    margin: 0;
    position: relative;
    z-index: 1;
    overflow: hidden;
    width: 100%;
}

.aircon-page .ac-contact .contact-button svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
    position: relative;
    z-index: 1;
}

/* 矢印アニメーション */
.aircon-page .ac-contact .contact-button-arrow {
    margin-left: auto;
    font-size: 18px;
    line-height: 1;
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.aircon-page .ac-contact .contact-button:hover .contact-button-arrow {
    transform: translateX(6px);
}

/* お問合わせフォームボタン (白塗り) */
.aircon-page .ac-contact .contact-button {
    background: #ffffff;
    color: var(--ac-color-dark);
    border: none;
    box-shadow: 0 6px 16px -6px rgba(0, 0, 0, 0.4);
    padding: 12px 28px;
    margin: 4px 0 0;
    width: auto;
    min-width: 220px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.aircon-page .ac-contact .contact-button:hover {
    transform: translateY(-2px);
    background: #f5faff;
    color: var(--ac-color-primary-dark);
    box-shadow: 0 12px 24px -8px rgba(0, 0, 0, 0.5);
}

/* 信頼バッジ */
.aircon-page .ac-contact .contact-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 18px 0 0;
    position: relative;
    z-index: 1;
}

.aircon-page .ac-contact .contact-trust li {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(23, 34, 76, 0.05);
    border: 1px solid rgba(23, 34, 76, 0.1);
    border-radius: 3px;
    font-size: 14px;
    font-weight: 700;
    color: var(--ac-color-dark);
    letter-spacing: 0.02em;
}

.aircon-page .ac-contact .contact-trust li::before {
    content: "✓";
    display: inline-block;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--ac-color-accent) 0%, #a78420 100%);
    color: white;
    font-size: 14px;
    font-weight: 900;
    line-height: 20px;
    text-align: center;
    flex-shrink: 0;
}

.aircon-page .ac-contact .contact-hours {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    margin: 6px 0 0;
    padding-top: 0;
    border-top: none;
    line-height: 1.7;
    position: relative;
    z-index: 1;
    letter-spacing: 0.02em;
    text-align: center;
}

/* 補足ノート */
.aircon-page .ac-contact .contact-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
    text-align: center;
    line-height: 1.6;
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
    letter-spacing: 0.02em;
}

.aircon-page .ac-contact .contact-button:focus {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

/* ==============================================
    17. レスポンシブデザイン（768px以下）
============================================== */
@media (max-width: 768px) {
    /* セクション共通 */
    .aircon-page section {
        padding: 60px 0;
    }
    
    .aircon-page .ac-section-inner {
        padding: 0 20px;
    }
    
    .aircon-page .ac-section-title {
        font-size: 28px;
        text-align: left;
    }
    
    .aircon-page .ac-section-title::after {
        margin: 18px 0 0;
    }
    
    .aircon-page .ac-section-header,
    .aircon-page .ac-section-header-center,
    .aircon-page .ac-section-subtitle,
    .aircon-page .ac-section-desc,
    .aircon-page .ac-makers-note,
    .aircon-page .ac-area-note,
    .aircon-page .ac-ba-note,
    .aircon-page .ac-ba-caption,
    .aircon-page .ac-work-options-title,
    .aircon-page .ac-target-detail h3,
    .aircon-page .ac-pricing-features h3,
    .aircon-page .ac-price-types h3 {
        text-align: left;
    }
    
    /* ヒーロー */
    .aircon-page .ac-hero {
        min-height: 100vh;
        min-height: 100dvh;
    }

    body.aircon-page .ac-hero {
        margin-top: -64px;
    }

    .aircon-page .ac-hero-content {
        padding: 130px 0 60px;
    }
    
    .aircon-page .ac-hero-inner {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 0 20px;
    }

    .aircon-page .ac-hero-card {
        grid-column: 1;
        padding: 0 0 0 20px;
    }

    .aircon-page .ac-hero-card::after {
        height: 56px;
        width: 8px;
    }

    @keyframes glowSlide {
        0%, 100% { transform: translateY(0); opacity: 0.95; }
        50% { transform: translateY(80px); opacity: 0.7; }
    }

    .aircon-page .ac-hero-ribbon {
        font-size: 14px;
        padding: 8px 16px;
        margin-bottom: 22px;
    }

    .aircon-page .ac-hero-title {
        font-size: 24px;
        margin-bottom: 22px;
    }

    .aircon-page .ac-hero-title .ac-highlight {
        font-size: clamp(24px, 7vw, 38px);
    }

    .aircon-page .ac-hero-subtitle {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .aircon-page .ac-hero-stats {
        padding: 16px 0;
        margin-bottom: 24px;
    }

    .aircon-page .ac-hero-stats li {
        padding: 0 10px;
    }

    .aircon-page .ac-hero-stat-value strong {
        font-size: clamp(28px, 8vw, 40px);
    }

    .aircon-page .ac-hero-stat-value small {
        font-size: 14px;
    }

    .aircon-page .ac-hero-stat-label {
        font-size: 14px;
        letter-spacing: 0.1em;
    }

    .ac-hero-cta {
        flex-direction: column;
        gap: 10px;
    }

    .ac-hero-cta .ac-btn {
        width: 100%;
        padding: 15px 20px;
    }

    /* 背景の巨大装飾文字 — モバイルで小さめに */
    .aircon-page .ac-hero-content::before {
        font-size: 30vw;
        bottom: 8%;
    }

    /* Problems */
    .aircon-page .ac-problems {
        padding: 80px 0 60px;
    }

    .aircon-page .ac-problems-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }

    /* モバイル: 黄金比を解除して縦積み */
    .aircon-page .ac-problem-item {
        aspect-ratio: auto;
    }

    .aircon-page .ac-problem-top {
        grid-template-columns: 1fr;
        height: auto;
    }

    .aircon-page .ac-problem-image {
        aspect-ratio: 16/9;
    }

    .aircon-page .ac-problem-image::before,
    .aircon-page .ac-problem-image::after {
        width: 22px;
        height: 22px;
    }

    .aircon-page .ac-problem-info {
        padding: 22px 22px 22px;
    }

    .aircon-page .ac-problem-case {
        font-size: 14px;
        padding: 5px 12px;
    }

    .aircon-page .ac-problem-tag {
        font-size: 14px;
    }

    .aircon-page .ac-problem-item h3 {
        font-size: 19px;
    }

    /* モバイルは尻尾を上向きに */
    .aircon-page .ac-problem-voice::before {
        top: -8px;
        left: 18px;
        border-top: none;
        border-right: 7px solid transparent;
        border-bottom: 8px solid var(--ac-color-border);
        border-left: 7px solid transparent;
    }

    .aircon-page .ac-problem-voice::after {
        top: -7px;
        left: 18px;
        border-top: none;
        border-right: 7px solid transparent;
        border-bottom: 7px solid #f3f6fc;
        border-left: 7px solid transparent;
    }

    .aircon-page .ac-problem-voice p {
        font-size: 14px;
    }

    .aircon-page .ac-problem-solution {
        padding: 22px 22px 24px;
    }

    .aircon-page .ac-problem-solution-label {
        font-size: 14px;
        letter-spacing: 0.22em;
    }

    .aircon-page .ac-problem-solution p {
        font-size: 14px;
    }

    .aircon-page .ac-problems-footer {
        padding: 44px 28px 40px;
        margin-top: 60px;
    }

    .aircon-page .ac-problems-footer-mark {
        font-size: 14px;
        letter-spacing: 0.24em;
    }

    .aircon-page .ac-problems-footer-lead {
        font-size: 20px;
        line-height: 1.7;
    }

    .aircon-page .ac-problems-footer-sub {
        font-size: 14px;
        margin-bottom: 28px;
    }

    .aircon-page .ac-problems-footer-cta {
        flex-direction: column;
        gap: 12px;
    }

    .aircon-page .ac-problems-footer-cta .ac-btn {
        width: 100% !important;
        min-width: 0 !important;
        padding: 15px 24px !important;
        font-size: 15px !important;
    }
    
    /* 選ばれる理由 */
    .aircon-page .ac-reasons-all {
        padding: 80px 0 0 0;
    }

    .aircon-page .ac-reasons-header {
        text-align: left;
        padding: 0 20px 60px;
    }

    .aircon-page .ac-reasons-eyebrow {
        margin-bottom: 22px;
    }

    .aircon-page .ac-reasons-eyebrow-line {
        width: 24px;
    }

    .aircon-page .ac-reasons-eyebrow-text {
        font-size: 14px;
        letter-spacing: 0.3em;
    }

    .aircon-page .ac-reasons-title-block {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        gap: 18px;
        margin-bottom: 22px;
    }

    .aircon-page .ac-reasons-num {
        padding-right: 0;
        align-items: flex-start;
    }

    .aircon-page .ac-reasons-num::after {
        display: none;
    }

    .aircon-page .ac-reasons-num strong {
        font-size: 70px;
    }

    .aircon-page .ac-reasons-header .ac-section-title {
        text-align: left;
        font-size: 20px;
    }
    .aircon-page .ac-reasons-lead {
        text-align: left;
    }

    .aircon-page .ac-reasons-lead {
        font-size: 14px;
        padding-top: 22px;
    }
    
    .aircon-page .ac-reasons-all .ac-reason {
        padding: 60px 0;
    }
    
    .aircon-page .ac-reason-inner {
        display: flex;
        flex-direction: column;
        gap: 0;
    }
    
    .aircon-page .ac-reason-content {
        display: contents;
    }
    
    .aircon-page .ac-reason-visual {
        order: 1;
        margin-bottom: 24px;
    }

    .aircon-page .ac-reason-number {
        width: 100%;
        order: 2;
        text-align: left;
        margin-bottom: 20px;
        font-size: 80px;
    }

    .aircon-page .ac-reason-title {
        order: 3;
        font-size: 24px;
        text-align: left;
        margin-bottom: 24px;
    }

    .aircon-page .ac-reason-text {
        order: 4;
        text-align: left;
        margin-bottom: 28px;
    }

    .aircon-page .ac-reason-list,
    .aircon-page .ac-area-tabs,
    .aircon-page .ac-area-blocks,
    .aircon-page .ac-types-grid,
    .aircon-page .ac-target-cards {
        order: 5;
        width: 100%;
        margin-top: 40px;
    }

    .aircon-page .ac-area-content {
        order: 6;
    }

    .aircon-page .ac-reason-reverse .ac-reason-inner {
        display: flex;
        flex-direction: column;
    }

    .aircon-page .ac-reason-reverse .ac-reason-content {
        display: contents;
    }

    .aircon-page .ac-reason-reverse .ac-reason-visual {
        order: 1;
    }
    
    /* エリアタブ */
    .aircon-page .ac-area-tabs {
        display: flex;
        flex-direction: row;
        gap: 8px;
        padding: 6px;
        margin-top: 24px;
    }
    
    .aircon-page .ac-area-tab {
        flex: 1;
        padding: 12px 8px;
        font-size: 14px;
        border: 2px solid #e3effd;
        text-align: center;
        white-space: nowrap;
    }
    
    .aircon-page .ac-area-content.active {
        width: 100%;
        padding: 0 10px;
    }
    
    .aircon-page .ac-area-features {
        text-align: left;
        padding: 0;
        margin-top: 16px;
    }
    
    .aircon-page .ac-area-features li {
        font-size: 14px;
        padding: 10px 0 10px 24px;
    }
    
    /* グリッド調整 */
    .aircon-page .ac-types-grid {
        margin-top: 24px;
    }

    .aircon-page .ac-target-cards {
        margin-top: 24px;
    }

    .aircon-page .ac-type-item {
        padding: 14px 4px;
    }

    .aircon-page .ac-type-item i {
        font-size: 15px;
    }

    .aircon-page .ac-type-item span {
        font-size: 14px;
    }
    
    /* 各セクショングリッド */
    .aircon-page .ac-effects-slider,
    .aircon-page .ac-work-grid,
    .aircon-page .ac-targets-grid,
    .aircon-page .ac-ba-grid,
    .aircon-page .ac-area-details {
        grid-template-columns: 1fr;
    }

    /* 料金: モバイル調整 */
    .aircon-page .ac-price-type {
        padding: 24px 20px 24px 76px;
    }

    .aircon-page .ac-price-type::after {
        font-size: 32px;
        left: 22px;
    }

    .aircon-page .ac-pricing-feature {
        padding: 28px 24px 26px;
    }

    .aircon-page .ac-pricing-feature h4 {
        font-size: 19px;
        gap: 6px;
        margin-bottom: 12px;
    }

    .aircon-page .ac-pricing-feature h4::before {
        font-size: 42px;
    }

    .aircon-page .ac-pricing-feature p {
        font-size: 14.5px;
    }
    
    .aircon-page .ac-work-options-grid {
        grid-template-columns: 1fr;
    }
    
    .aircon-page .ac-makers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .aircon-page .ac-ba-grid {
        gap: 32px;
    }
    
    .aircon-page .ac-pricing-cta-buttons,
    .aircon-page .ac-pricing-notes {
        flex-direction: column;
        gap: 16px;
    }
    
    /* FAQ */
    .aircon-page .accordion-header {
        padding: 16px 20px;
        font-size: 15px;
    }
    
    .aircon-page .accordion-content span {
        padding: 16px 20px;
        font-size: 14px;
    }
    
    /* お問い合わせ */
    .aircon-page .ac-contact {
        padding: 60px 0;
    }
    
    .aircon-page .ac-contact .ac-section-title {
        font-size: 1.75rem;
        text-align: left;
    }
    
    .aircon-page .ac-contact .ac-section-desc {
        font-size: 0.9375rem;
        margin-bottom: 2rem;
        text-align: left;
    }
    
    .aircon-page .ac-contact .contact-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .aircon-page .ac-contact .contact-box {
        padding: 28px 16px;
    }

    /* モバイル: 縦区切り線 → 横区切り線 */
    .aircon-page .ac-contact .contact-box + .contact-box {
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.25);
    }

    .aircon-page .ac-contact .contact-icon {
        width: 40px;
        height: 40px;
    }

    .aircon-page .ac-contact .contact-icon svg {
        width: 32px;
        height: 32px;
    }

    .aircon-page .ac-contact .contact-title {
        font-size: 14px;
    }

    .aircon-page .ac-contact .contact-button {
        padding: 12px 24px;
        font-size: 14px;
        width: 100%;
        max-width: 320px;
    }

    .aircon-page .ac-contact .ac-contact-headline {
        font-size: 18px;
        gap: 14px;
    }

    .aircon-page .ac-contact .ac-contact-headline-text {
        text-align: left;
    }

    .aircon-page .ac-contact .contact-box:hover {
        transform: translateY(-4px);
    }
}

@media (max-width: 480px) {
    .aircon-page .ac-area-tab {
        padding: 10px 6px;
        font-size: 14px;
    }
}


.aircon-page h4.kikotaisaku { 
    display: inline-block; /* ←重要 */
    margin-bottom: 8px;
    position: relative;
}

.aircon-page h4.kikotaisaku::after {
    content: "";
    display: block;
    width: 60%;              /* ←ここで長さ調整 */
    height: 2px;
    background-color: var(--ac-color-primary);
    margin-top: 6px;
}


/* ==============================================
    エリアブロック（横3列・コンパクト・モダン）
============================================== */
.aircon-page .ac-area-blocks {
    display: flex;
    flex-direction: column;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid rgba(108, 171, 223, 0.3);
    position: relative;
    z-index: 2;
}

.aircon-page .ac-area-block {
    background: transparent;
    padding: 22px 4px;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid rgba(108, 171, 223, 0.25);
    transition: padding-left 0.3s ease;
}

.aircon-page .ac-area-block:hover {
    padding-left: 12px;
}

.aircon-page .ac-area-block-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--ac-color-dark);
    margin: 0 0 14px;
    padding-bottom: 0;
    border-bottom: none;
    line-height: 1.5;
    letter-spacing: 0.02em;
}

.aircon-page .ac-area-block-title::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ac-color-accent);
    flex-shrink: 0;
}

/* 横並びの4項目リスト */
.aircon-page .ac-area-block .ac-area-features {
    list-style: none;
    padding: 0 0 0 16px;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 32px;
}

.aircon-page .ac-area-block .ac-area-features li {
    padding: 0 0 0 22px;
    position: relative;
    font-size: 14px;
    color: var(--ac-color-text);
    line-height: 1.6;
    font-weight: 500;
}

.aircon-page .ac-area-block .ac-area-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--ac-color-primary);
    font-weight: 900;
    font-size: 14px;
}

/* レスポンシブ */
@media (max-width: 768px) {
    .aircon-page .ac-area-blocks {
        width: 100%;
        /* margin-top: -60px; 親のpaddingを相殺 */
    }

    .aircon-page .ac-area-block {
        padding: 18px 4px;
    }

    .aircon-page .ac-area-block-title {
        font-size: 15px;
        margin-bottom: 10px;
    }

    .aircon-page .ac-area-block .ac-area-features {
        grid-template-columns: 1fr;
        gap: 6px;
        padding-left: 14px;
    }

    .aircon-page .ac-area-block .ac-area-features li {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .aircon-page .ac-area-blocks {
        /* margin-top: -36px; さらに調整 */
    }
}

/* ヘッダー（透明グラス・白文字・ゴールドアンダーライン）は全ページ共通スタイルへ移行済み（style.css）。 */

/* ============================================
   ヘッダーCTAボタン — シャープ&エディトリアル
   pill型を脱して、建築的なフラット長方形に
============================================ */
/* ヘッダー内お問い合わせボタン（ゴールド長方形＋矢印）は style.css に共通化済み。 */

/* ============================================================
   レスポンシブ補強（既存ブレークポイントを尊重しつつ追加調整）
   - 中間域(1025-1280px)の窮屈感解消
   - 中央寄せ見出しを狭幅で左寄せ化（折り返し時の可読性確保）
   - タップ領域 44px+
   - 横スクロール防止
============================================================ */

/* ベース：横スクロール防止 */
.aircon-page {
    overflow-x: clip;
    max-width: 100vw;
}

/* タブレット縦：1024px以下 */
@media (max-width: 1024px) {
    .aircon-page .ac-section-title {
        font-size: clamp(24px, 4vw, 36px);
    }
}

/* スマホ〜タブレット縦境界：768px以下 */
@media (max-width: 768px) {
    /* 中央寄せ見出し → 折り返しが発生する幅では左寄せに */
    .aircon-page .ac-reasons-header,
    .aircon-page .ac-faq-header,
    .aircon-page .ac-flow-header {
        text-align: left;
    }
    .aircon-page .ac-section-title {
        text-align: left;
        font-size: clamp(22px, 6vw, 30px);
        line-height: 1.5;
    }
    .aircon-page .ac-section-title::after {
        margin-left: 0;
    }

    /* タップ領域確保 */
    .aircon-page .ac-btn,
    .aircon-page .ac-cta-btn,
    .aircon-page .contact-button,
    .aircon-page .ac-area-link,
    .aircon-page .ac-area-blocks a,
    .aircon-page .area-group-cities a {
        min-height: 44px;
    }
}

/* スマホ縦：480px以下 */
@media (max-width: 480px) {
    .aircon-page .ac-hero-title {
        font-size: clamp(26px, 8vw, 36px);
        line-height: 1.45;
    }
    .aircon-page .ac-section-title {
        font-size: clamp(20px, 6.5vw, 26px);
    }
    .aircon-page .ac-section-badge {
        font-size: 11px;
        letter-spacing: 0.2em;
    }
    /* 過剰な左右パディング縮小 */
    .aircon-page section {
        padding-left: max(16px, 4vw);
        padding-right: max(16px, 4vw);
    }
}

/* スマホ極小：375px以下（iPhone SE 等） */
@media (max-width: 375px) {
    .aircon-page .ac-hero-title {
        font-size: clamp(22px, 7.5vw, 30px);
    }
    .aircon-page .ac-section-title {
        font-size: 19px;
    }
}

/* モーション抑制 */
@media (prefers-reduced-motion: reduce) {
    .aircon-page * {
        animation-duration: 0.001s !important;
        transition-duration: 0.001s !important;
    }
}