/*
Theme Name: AC-CLEAN
Theme URI: https://ac-clean.jp/
Author: AC-CLEAN
Author URI: https://ac-clean.jp/
Description: Standalone WordPress theme for AC-CLEAN with custom landing pages, blog archive, search, and privacy pages.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: ac-clean
Tags: one-column, responsive-layout, custom-menu, featured-images, accessibility-ready
*/

:root {
    color-scheme: light;
    --bg: #f7f8fb;
    --surface: #ffffff;
    --border: #e5e7eb;
    --text: #1f2937;
    --muted: #6b7280;
    --accent: #1a56db;
    --accent-dark: #0f3468;
    --accent-soft: #dbeafe;
    --radius: 18px;
    --max-width: 1200px;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-family: 'Noto Sans JP', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    scroll-behavior: smooth;
    margin-top: 0 !important; /* WordPress管理バー由来のmargin-topを抑止 */
}

/* WordPress管理バーが万一表示されても、上部にスペースが空かないように */
#wpadminbar { display: none !important; }

body {
    margin: 0;
    min-height: 100vh;
    /* 既定背景は深紺（ヘッダー透明部分から見える色も深紺で揃える） */
    background: #0e1a3a;
    color: var(--text);
    line-height: 1.75;
    overflow-x: clip; /* 100vw幅セクションがスクロールバー幅分はみ出す問題を防ぐ */
}
/* ページ内コンテンツが白系の場合は body は隠れるので影響なし。
   個別記事ページなどで body を直接表示するページは独自に背景指定済み (.single など) */

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, textarea, select {
    font: inherit;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover,
a:focus {
    text-decoration: underline;
}

button {
    cursor: pointer;
}

.site-wrapper {
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

/* ==============================================
   ヘッダー & ナビゲーション - モダン斬新デザイン
   ブランドカラー: cyan #00acd8 / navy #0D384C / gold #c9a227
============================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    /* 上部はやや濃い目から下に向けて透明へ。背面の body 色が灰色で覗くのを防ぐ */
    background: linear-gradient(180deg, rgba(14, 26, 58, 0.92) 0%, rgba(14, 26, 58, 0.7) 50%, rgba(14, 26, 58, 0) 100%);
    border-bottom: none;
    box-shadow: none;
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

/* スクロール時:背景色を出して、明るいセクション上でも文字が読めるようにする */
.site-header.is-scrolled {
    background: rgba(14, 26, 58, 0.92);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 18px rgba(14, 26, 58, 0.18);
}

/* 下スクロール時:ヘッダーを画面外に隠す(上スクロールで戻る) */
.site-header.is-hidden {
    transform: translateY(-100%);
}

.site-header__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 24px;
}

.site-brand__link {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    color: var(--text);
    transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.site-brand__link:hover {
    transform: translateY(-1px);
    text-decoration: none;
}

/* ロゴバッジ — 深紺ヘッダー上で紺×金のロゴを浮かせる白円 */
.site-brand__logo {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 5px;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(201, 169, 97, 0.35);
    transition: box-shadow 0.3s ease;
}
.site-brand__link:hover .site-brand__logo {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.22), 0 0 0 1px rgba(201, 169, 97, 0.6);
}
.site-brand__logo img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.site-brand__text {
    display: inline-flex;
    flex-direction: column;
    gap: 2px;
}

.site-brand__title {
    font-size: 1.4rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: linear-gradient(135deg, #ffffff 0%, #c9a227 60%, #6cabdf 120%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.site-brand__tag {
    font-size: 0.875rem;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
}

/* ----- ナビゲーション本体 ----- */
.site-nav {
    flex: 1; /* ヘッダー内で残りスペースを全部使う */
}

.site-nav__list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
    font-family: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    font-feature-settings: "palt";
    justify-content: flex-end;
}

.site-nav__list > li {
    position: relative;
    margin: 0;
}

.site-nav__list > li > a {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: #ffffff;
    border-radius: 999px;
    overflow: visible;
    isolation: isolate;
    transition:
        color 0.3s ease,
        transform 0.3s ease;
}

.site-nav__list > li > a:hover {
    text-decoration: none;
    transform: translateY(-2px);
    color: #c9a227;
}

/* ピル型の囲み装飾は使用しない */
.site-nav__list > li > a::before {
    display: none !important;
}

/* ホバー時のゴールドの細いアンダーライン */
.site-nav__list > li > a::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 4px;
    transform: translateX(-50%) scaleX(0);
    transform-origin: center;
    width: 24px;
    height: 2px;
    border-radius: 2px;
    background: #c9a227;
    box-shadow: 0 0 12px rgba(201, 162, 39, 0.6);
    opacity: 0;
    transition:
        transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
        opacity 0.35s ease;
    pointer-events: none;
}

.site-nav__list > li > a:hover::before,
.site-nav__list > li > a:focus-visible::before,
.site-nav__list > li.current-menu-item > a::before,
.site-nav__list > li.current-menu-parent > a::before,
.site-nav__list > li.current_page_item > a::before {
    opacity: 1;
    transform: scale(1);
}

.site-nav__list > li > a:hover::after,
.site-nav__list > li > a:focus-visible::after,
.site-nav__list > li.current-menu-item > a::after,
.site-nav__list > li.current-menu-parent > a::after,
.site-nav__list > li.current_page_item > a::after {
    transform: translateX(-50%) scaleX(1);
    opacity: 1;
}

/* 現在ページのカラー & 点滅ドット */
.site-nav__list > li.current-menu-item > a,
.site-nav__list > li.current_page_item > a,
.site-nav__list > li.current-menu-parent > a {
    color: #c9a227;
}

.site-nav__list > li.current-menu-item > a > span,
.site-nav__list > li.current_page_item > a > span {
    position: relative;
    padding-left: 12px;
}

.site-nav__list > li.current-menu-item > a > span::before,
.site-nav__list > li.current_page_item > a > span::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, #00acd8, #c9a227);
    box-shadow: 0 0 8px rgba(0, 172, 216, 0.7);
    animation: navDotPulse 2.4s ease-in-out infinite;
}

@keyframes navDotPulse {
    0%, 100% { transform: translateY(-50%) scale(1); opacity: 1; }
    50%      { transform: translateY(-50%) scale(1.4); opacity: 0.65; }
}

/* ----- サブメニュー（ドロップダウン） ----- */
.site-nav__list .sub-menu,
.site-nav__list ul {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    min-width: 240px;
    margin: 0;
    padding: 10px;
    list-style: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(248, 251, 253, 0.9));
    backdrop-filter: blur(18px) saturate(1.3);
    -webkit-backdrop-filter: blur(18px) saturate(1.3);
    border: 1px solid rgba(0, 172, 216, 0.18);
    border-radius: 18px;
    box-shadow:
        0 24px 60px -18px rgba(13, 56, 76, 0.35),
        0 6px 18px -8px rgba(0, 129, 163, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity 0.3s ease,
        transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1),
        visibility 0.3s;
    z-index: 100;
}

.site-nav__list .sub-menu::before,
.site-nav__list ul::before {
    content: "";
    position: absolute;
    top: 0;
    left: 14px;
    right: 14px;
    height: 2px;
    border-radius: 0 0 4px 4px;
    background: linear-gradient(90deg, transparent, #00acd8 30%, #c9a227 70%, transparent);
    opacity: 0.85;
}

.site-nav__list > li:hover > .sub-menu,
.site-nav__list > li:hover > ul,
.site-nav__list > li:focus-within > .sub-menu,
.site-nav__list > li:focus-within > ul {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.site-nav__list .sub-menu li,
.site-nav__list ul li {
    margin: 0;
}

.site-nav__list .sub-menu a,
.site-nav__list ul a {
    position: relative;
    display: flex;
    align-items: center;
    padding: 12px 38px 12px 22px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: #0D384C;
    border-radius: 12px;
    margin: 2px 0;
    overflow: hidden;
    transition:
        color 0.25s ease,
        background 0.25s ease,
        padding-left 0.35s cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* 左から立ち上がる縦アクセントバー */
.site-nav__list .sub-menu a::before,
.site-nav__list ul a::before {
    content: "";
    position: absolute;
    left: 8px;
    top: 50%;
    width: 3px;
    height: 0;
    border-radius: 3px;
    background: linear-gradient(180deg, #00acd8, #c9a227);
    transform: translateY(-50%);
    transition: height 0.3s cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ホバーで現れる矢印 */
.site-nav__list .sub-menu a::after,
.site-nav__list ul a::after {
    content: "→";
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translate(-6px, -50%);
    font-size: 0.95rem;
    font-weight: 700;
    color: #00acd8;
    opacity: 0;
    transition:
        transform 0.3s cubic-bezier(0.2, 0.7, 0.2, 1),
        opacity 0.25s ease;
}

.site-nav__list .sub-menu a:hover,
.site-nav__list .sub-menu a:focus-visible,
.site-nav__list ul a:hover,
.site-nav__list ul a:focus-visible {
    color: #0081a3;
    background: linear-gradient(135deg, rgba(0, 172, 216, 0.10), rgba(201, 162, 39, 0.06));
    padding-left: 28px;
    text-decoration: none;
}

.site-nav__list .sub-menu a:hover::before,
.site-nav__list .sub-menu a:focus-visible::before,
.site-nav__list ul a:hover::before,
.site-nav__list ul a:focus-visible::before {
    height: 60%;
}

.site-nav__list .sub-menu a:hover::after,
.site-nav__list .sub-menu a:focus-visible::after,
.site-nav__list ul a:hover::after,
.site-nav__list ul a:focus-visible::after {
    opacity: 1;
    transform: translate(0, -50%);
}

/* モーション低減 */
@media (prefers-reduced-motion: reduce) {
    .site-nav__list > li > a,
    .site-nav__list > li > a::before,
    .site-nav__list > li > a::after,
    .site-nav__list .sub-menu,
    .site-nav__list ul,
    .site-nav__list .sub-menu a,
    .site-nav__list ul a,
    .site-nav__list .sub-menu a::before,
    .site-nav__list ul a::before,
    .site-nav__list .sub-menu a::after,
    .site-nav__list ul a::after,
    .site-nav__list > li.current-menu-item > a > span::before,
    .site-nav__list > li.current_page_item > a > span::before {
        transition: none !important;
        animation: none !important;
    }
}

.site-header__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-left: auto; /* ヘッダー右端まで押し出す */
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button,
.button:hover,
.button:focus {
    text-decoration: none;
}

.button:hover {
    transform: translateY(-1px);
}

.button--phone {
    background: #f3f4f6;
    color: var(--text);
    border-color: var(--border);
}

.button--contact {
    background: var(--accent);
    color: #fff;
}

/* ============ ヘッダー内ボタン（全ページ共通：LP仕様） ============ */
.site-header__actions {
    align-items: stretch;
}

.site-header__actions .button {
    border-radius: 0;
    padding: 14px 22px;
    font-size: 14px;
    line-height: 1.2;
    letter-spacing: 0.06em;
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
    min-height: 48px;
    transition: all 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.site-header__actions .button--contact {
    background: #c9a227;
    color: #17224c;
    border: none;
    font-weight: 800;
    box-shadow: 0 10px 28px -10px rgba(201, 162, 39, 0.55);
}

.site-header__actions .button--contact::after {
    content: "→";
    display: inline-block;
    margin-left: 12px;
    font-size: 16px;
    font-weight: 700;
    transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.site-header__actions .button--contact::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg,
        transparent 30%,
        rgba(255, 255, 255, 0.45) 50%,
        transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.site-header__actions .button--contact:hover {
    background: linear-gradient(135deg, #e0bd5a 0%, #c9a227 50%, #a78420 100%);
    transform: translateY(-2px);
    box-shadow: 0 16px 36px -8px rgba(201, 162, 39, 0.7);
    color: #17224c;
}

.site-header__actions .button--contact:hover::before {
    transform: translateX(100%);
}

.site-header__actions .button--contact:hover::after {
    transform: translateX(6px);
}

.site-content {
    flex: 1 1 auto;
}

.site-footer {
    background: var(--surface);
}

.entry-content,
.post-content,
.privacy-main,
.blog-archive-wrap,
.search-page-wrap {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 32px 24px;
}

/* 個別記事ページ：背景を編集系のクリーム紙面に + 大型ウォーターマーク */
.single {
    background:
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(108, 171, 223, 0.08), transparent 60%),
        radial-gradient(ellipse 50% 35% at 10% 90%, rgba(201, 162, 39, 0.07), transparent 60%),
        linear-gradient(180deg, #f7f5ef 0%, #efece2 100%);
    background-attachment: fixed;
    position: relative;
}
.single::before {
    /* 縦書き "BLOG" サイドマーカー（雑誌の背表紙風） */
    content: 'BLOG';
    position: fixed;
    top: 50%;
    right: 2vw;
    transform: translateY(-50%);
    z-index: 0;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-family: 'Inter', 'Helvetica Neue', sans-serif;
    font-weight: 800;
    font-size: clamp(80px, 13vw, 180px);
    line-height: 1;
    letter-spacing: 0.18em;
    color: rgba(23, 34, 76, 0.06);
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
}

/* 個別記事ページ：ヘッダーは全幅・本文は900px（BICS民泊と同じ読みやすい幅） */
.single .entry-content {
    max-width: 100%;
    padding: 0;
    position: relative;
    z-index: 1;
}
.single .entry-content > article {
    max-width: 100%;
}
/* アイキャッチ画像（ヘッダー直後・本文と同じ900px幅） */
.single .entry-thumb {
    max-width: 900px;
    margin: -40px auto 0; /* ヘッダーの下に少し食い込ませて立体感 */
    padding: 0 24px;
    position: relative;
    z-index: 2;
}
/* breadcrumbがheroとアイキャッチの間にある場合は食い込みを解除 */
.single .ac-breadcrumb + .entry-thumb {
    margin-top: 40px;
}
.single .entry-thumb__img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 18px 48px rgba(14, 26, 58, 0.18);
}

/* 本文 + フッターを白いカード化（紙面感を出す） */
.single .entry-body,
.single .entry-footer {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    background: #ffffff;
    box-shadow: 0 14px 40px rgba(14, 26, 58, 0.06);
}
.single .entry-body {
    padding: 56px 56px 40px;
    margin-top: 40px;
    border-top: 3px solid var(--accent, #c9a227);
}
/* アイキャッチがある場合は本文の上ボーダー線を控えめに */
.single .entry-thumb + .entry-body {
    margin-top: 32px;
    border-top: none;
    padding-top: 48px;
}
.single .entry-footer {
    padding: 0 56px 48px;
    margin-top: 0;
}

/* 末尾の余白（カード下にスペース確保） */
.single .entry-content {
    padding-bottom: 80px;
}

@media (max-width: 768px) {
    .single .entry-thumb {
        margin-top: -28px;
        padding: 0 16px;
    }
    .single .ac-breadcrumb + .entry-thumb {
        margin-top: 28px;
    }
    .single .entry-body {
        padding: 36px 24px 28px;
        margin-top: 28px;
    }
    .single .entry-thumb + .entry-body {
        margin-top: 24px;
        padding-top: 32px;
    }
    .single .entry-footer {
        padding: 0 24px 32px;
    }
    .single .entry-content {
        padding-bottom: 56px;
    }
    /* モバイルでは縦書きBLOGを小さく・色を薄く */
    .single::before {
        font-size: clamp(56px, 16vw, 96px);
        right: 8px;
        letter-spacing: 0.14em;
        opacity: 0.7;
    }
}

@media (max-width: 480px) {
    .single .entry-body,
    .single .entry-footer {
        max-width: calc(100% - 16px);
        margin-left: 8px;
        margin-right: 8px;
    }
    .single .entry-body {
        padding: 28px 18px 24px;
    }
    .single .entry-footer {
        padding: 0 18px 28px;
    }
    .single .entry-thumb {
        padding: 0 8px;
    }
}

.page-title,
.page-subtitle {
    margin: 0 0 1rem;
}

/* ==============================================
   ハンバーガーメニュー（モバイル/タブレット用）
   - 1024px以下でナビ・お問い合わせボタンを隠し、
     ハンバーガーボタンとフルスクリーンオーバーレイに切り替え
============================================== */
.site-hamburger {
    display: none; /* デフォルト非表示（PCは通常ナビ） */
    width: 48px;
    height: 48px;
    padding: 0;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 0;
    color: #ffffff;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.25s ease, border-color 0.25s ease;
    -webkit-tap-highlight-color: transparent;
}
.site-hamburger:hover,
.site-hamburger:focus-visible {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.55);
}
.site-hamburger__lines {
    position: relative;
    display: block;
    width: 22px;
    height: 16px;
}
.site-hamburger__lines > span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
    transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
                opacity 0.25s ease,
                top 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.site-hamburger__lines > span:nth-child(1) { top: 0; }
.site-hamburger__lines > span:nth-child(2) { top: 7px; }
.site-hamburger__lines > span:nth-child(3) { top: 14px; }

/* オープン時：3本線→X */
.site-hamburger[aria-expanded="true"] .site-hamburger__lines > span:nth-child(1) {
    top: 7px;
    transform: rotate(45deg);
}
.site-hamburger[aria-expanded="true"] .site-hamburger__lines > span:nth-child(2) {
    opacity: 0;
}
.site-hamburger[aria-expanded="true"] .site-hamburger__lines > span:nth-child(3) {
    top: 7px;
    transform: rotate(-45deg);
}

/* フルスクリーンオーバーレイ */
.site-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    z-index: 999;
    background: linear-gradient(160deg, #0a1230 0%, #17224c 50%, #0e1a3a 100%);
    color: #f4efe2;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.4s ease, visibility 0.4s;
    overflow-y: auto;
    overscroll-behavior: contain;
}
.site-nav-overlay.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.site-nav-overlay__inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 110px 28px 60px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 42px;
}

.site-nav-overlay__brand {
    margin: 0;
    line-height: 1;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s 0.05s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.5s 0.05s ease;
}
.site-nav-overlay.is-open .site-nav-overlay__brand {
    transform: translateY(0);
    opacity: 1;
}
.site-nav-overlay__brand-mark {
    display: block;
    font-family: 'Inter', 'Helvetica Neue', sans-serif;
    font-weight: 800;
    font-size: 22px;
    letter-spacing: 0.18em;
    color: #c9a227;
    margin-bottom: 6px;
}
.site-nav-overlay__brand-tag {
    display: block;
    font-size: 13px;
    letter-spacing: 0.12em;
    color: rgba(244, 239, 226, 0.7);
}

.site-nav-overlay__nav { margin: 0; }
.site-nav-overlay__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid rgba(244, 239, 226, 0.15);
}
.site-nav-overlay__list > li {
    margin: 0;
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.5s ease;
    border-bottom: 1px solid rgba(244, 239, 226, 0.15);
}
.site-nav-overlay.is-open .site-nav-overlay__list > li {
    transform: translateY(0);
    opacity: 1;
}
.site-nav-overlay.is-open .site-nav-overlay__list > li:nth-child(1) { transition-delay: 0.10s; }
.site-nav-overlay.is-open .site-nav-overlay__list > li:nth-child(2) { transition-delay: 0.15s; }
.site-nav-overlay.is-open .site-nav-overlay__list > li:nth-child(3) { transition-delay: 0.20s; }
.site-nav-overlay.is-open .site-nav-overlay__list > li:nth-child(4) { transition-delay: 0.25s; }
.site-nav-overlay.is-open .site-nav-overlay__list > li:nth-child(5) { transition-delay: 0.30s; }
.site-nav-overlay.is-open .site-nav-overlay__list > li:nth-child(6) { transition-delay: 0.35s; }

.site-nav-overlay__list > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 4px;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 19px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: #f4efe2;
    text-decoration: none;
    transition: color 0.25s ease, padding-left 0.3s ease;
    min-height: 56px;
}
.site-nav-overlay__list > li > a::after {
    content: '→';
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    color: #c9a227;
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 0.25s ease, transform 0.3s ease;
}
.site-nav-overlay__list > li > a:hover,
.site-nav-overlay__list > li > a:focus {
    color: #c9a227;
    padding-left: 8px;
    text-decoration: none;
}
.site-nav-overlay__list > li > a:hover::after,
.site-nav-overlay__list > li > a:focus::after {
    opacity: 1;
    transform: translateX(0);
}
/* サブメニューはオーバーレイ内では平坦に展開 */
.site-nav-overlay__list .sub-menu {
    list-style: none;
    margin: 0 0 12px;
    padding: 0 0 0 16px;
    border-left: 1px solid rgba(244, 239, 226, 0.15);
}
.site-nav-overlay__list .sub-menu a {
    display: block;
    padding: 12px 4px;
    font-size: 15px;
    color: rgba(244, 239, 226, 0.7);
    text-decoration: none;
    min-height: 44px;
}

.site-nav-overlay__cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 0;
    padding: 20px 28px;
    background: #c9a227;
    color: #17224c;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-decoration: none;
    border: 1px solid #c9a227;
    transition: background 0.3s ease, color 0.3s ease, transform 0.25s ease;
    transform: translateY(20px);
    opacity: 0;
    min-height: 60px;
}
.site-nav-overlay.is-open .site-nav-overlay__cta {
    transform: translateY(0);
    opacity: 1;
    transition-delay: 0.4s;
}
.site-nav-overlay__cta:hover,
.site-nav-overlay__cta:focus {
    background: #f7f3e6;
    border-color: #f7f3e6;
    color: #17224c;
    text-decoration: none;
}

.site-nav-overlay__phone {
    text-align: center;
    padding: 24px 0 0;
    border-top: 1px solid rgba(244, 239, 226, 0.15);
    transform: translateY(20px);
    opacity: 0;
    transition: transform 0.5s 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.5s 0.45s ease;
}
.site-nav-overlay.is-open .site-nav-overlay__phone {
    transform: translateY(0);
    opacity: 1;
}
.site-nav-overlay__phone-label {
    margin: 0 0 6px;
    font-size: 12px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: rgba(244, 239, 226, 0.6);
}
.site-nav-overlay__phone-num {
    display: inline-block;
    font-family: 'Inter', sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #f4efe2;
    text-decoration: none;
    letter-spacing: 0.04em;
    margin: 0 0 6px;
}
.site-nav-overlay__phone-num:hover { color: #c9a227; text-decoration: none; }
.site-nav-overlay__phone-meta {
    margin: 0;
    font-size: 12px;
    color: rgba(244, 239, 226, 0.55);
    letter-spacing: 0.06em;
}

/* body スクロールロック */
body.is-nav-open {
    overflow: hidden;
}

/* ============================================
   ブレークポイント別のレスポンシブ調整
============================================ */

/* 1024px以下：ハンバーガーメニュー切り替え */
@media (max-width: 1024px) {
    .site-nav,
    .site-header__actions {
        display: none;
    }
    .site-hamburger {
        display: inline-flex;
    }
    .site-header__inner {
        padding: 14px 20px;
    }
}

/* 768px以下（タブレット縦/スマホ）：ヘッダー縮小 */
@media (max-width: 768px) {
    .site-header__inner {
        padding: 12px 16px;
    }
    .site-brand__title {
        font-size: 1.2rem;
    }
    .site-brand__tag {
        font-size: 0.78rem;
    }
    .site-brand__logo {
        width: 38px;
        height: 38px;
        padding: 4px;
    }

    .entry-content,
    .post-content,
    .privacy-main,
    .blog-archive-wrap,
    .search-page-wrap {
        padding-left: 16px;
        padding-right: 16px;
    }
}

/* 480px以下：スマホ縦の最終調整 */
@media (max-width: 480px) {
    .site-brand__title {
        font-size: 1.05rem;
        letter-spacing: 0.08em;
    }
    .site-brand__tag {
        font-size: 0.72rem;
    }
    .site-brand__logo {
        width: 34px;
        height: 34px;
        padding: 3px;
    }
    .site-nav-overlay__inner {
        padding: 90px 22px 40px;
        gap: 32px;
    }
    .site-nav-overlay__list > li > a {
        font-size: 17px;
        padding: 18px 4px;
    }
    .site-nav-overlay__phone-num {
        font-size: 24px;
    }
}

/* モーション抑制 */
@media (prefers-reduced-motion: reduce) {
    .site-hamburger__lines > span,
    .site-nav-overlay,
    .site-nav-overlay__brand,
    .site-nav-overlay__list > li,
    .site-nav-overlay__cta,
    .site-nav-overlay__phone,
    .site-nav-overlay__list > li > a,
    .site-nav-overlay__list > li > a::after { transition: none !important; }
}

/* ============================================
   全ページ共通：ヒーローをヘッダー裏まで延長
   .site-header は position: sticky で文書フロー内にあるため、
   各ページのヒーローを margin-top でその分だけ引き上げる。
   旧クラス(*-hero) と 新INBICS編集デザインのカバー(*-cover) 両対応。
============================================ */
.ac-hero,
.company-hero,
.privacy-hero,
.blog-hero,
.search-hero,
.notfound-hero,
.cm-cover,
.pv-cover,
.bl-cover,
.cn-cover,
.nf-cover,
.sr-cover {
    margin-top: -88px;
}

/* 1024px以下：ヘッダーが少し縮むため引き上げ量も調整 */
@media (max-width: 1024px) {
    .ac-hero,
    .company-hero,
    .privacy-hero,
    .blog-hero,
    .search-hero,
    .notfound-hero,
    .cm-cover,
    .pv-cover,
    .bl-cover,
    .cn-cover,
    .nf-cover,
    .sr-cover {
        margin-top: -76px;
    }
}

/* 768px以下 */
@media (max-width: 768px) {
    .ac-hero,
    .company-hero,
    .privacy-hero,
    .blog-hero,
    .search-hero,
    .notfound-hero,
    .cm-cover,
    .pv-cover,
    .bl-cover,
    .cn-cover,
    .nf-cover,
    .sr-cover {
        margin-top: -68px;
    }
}

/* ============================================
   ヒーロー無しテンプレ（single.php）の .entry-header を
   ダークバンド化して、透明ヘッダーの白文字を読めるようにする
============================================ */
.single .entry-header {
    margin-top: -88px;
    padding: 132px 24px 56px;
    background: linear-gradient(135deg, #0D384C 0%, #1a5a75 50%, #0a2438 100%);
    color: #ffffff;
    text-align: center;
}

.single .entry-header .page-title {
    color: #ffffff;
    margin: 0 0 12px;
}

.single .entry-header .entry-meta {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   パンくずリスト — heroの直後に配置する編集系の薄いバンド
   ========================================================================== */
.ac-breadcrumb {
    background: #ffffff;
    padding: 18px 0;
    border-bottom: 1px solid rgba(23, 34, 76, 0.08);
    position: relative;
    z-index: 2;
}
.ac-breadcrumb::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 1px;
    background: #c9a961;
}
.ac-breadcrumb__inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 32px;
}
.ac-breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin: 0;
    padding: 0;
    list-style: none;
}
.ac-breadcrumb__item {
    display: inline-flex;
    align-items: center;
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 12px;
    color: #6b7795;
    line-height: 1.5;
    letter-spacing: 0.04em;
    max-width: 100%;
}
.ac-breadcrumb__item:not(:last-child)::after {
    content: '/';
    margin: 0 14px;
    color: #c9a961;
    font-family: 'Montserrat', sans-serif;
    font-weight: 400;
    font-size: 12px;
    opacity: 0.7;
}
.ac-breadcrumb__item a {
    color: #6b7795;
    text-decoration: none;
    transition: color .2s ease;
}
.ac-breadcrumb__item a:hover {
    color: #17224c;
}
.ac-breadcrumb__item.is-current .ac-breadcrumb__current {
    color: #17224c;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 60ch;
}
/* 英字（HOME/BLOG/SEARCH/NOT FOUND）はMontserratで字間広め */
.ac-breadcrumb__item:first-child a,
.ac-breadcrumb__item:nth-child(2) a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    letter-spacing: 0.16em;
    font-size: 12px;
}

@media (max-width: 768px) {
    .ac-breadcrumb {
        padding: 14px 0;
    }
    .ac-breadcrumb__inner {
        padding: 0 20px;
    }
    .ac-breadcrumb__item {
        font-size: 12px;
    }
    .ac-breadcrumb__item:not(:last-child)::after {
        margin: 0 10px;
    }
    .ac-breadcrumb__item.is-current .ac-breadcrumb__current {
        max-width: 22ch;
    }
}