/* =============================================================
   ブログ一覧ページ — INBICS Group Edition
   会社概要・プライバシーと同じ編集デザイン言語で構築。
   依存: _inbics-tokens.css, _inbics-components.css
============================================================= */

@import url('./_inbics-tokens.css');
@import url('./_inbics-components.css');

/* -------------------------------------------------------------
   ローカルトークン
------------------------------------------------------------- */
.bl-page {
    --bl-navy:        var(--inb-navy-2);
    --bl-navy-deep:   var(--inb-navy);
    --bl-gold:        var(--inb-ac);
    --bl-gold-soft:   var(--inb-ac-soft);
    --bl-paper:       var(--inb-paper);
    --bl-paper-2:     var(--inb-paper-2);
    --bl-ink:         var(--inb-ink);
    --bl-ink-2:       var(--inb-ink-2);
    --bl-rule:        var(--inb-line);

    --bl-display:     var(--inb-display-en);
    --bl-display-jp:  var(--inb-display-jp);
    --bl-sans:        var(--inb-sans);
    --bl-jp:          var(--inb-jp);
}

/* テーマ側の親コンテナを全幅に */
.l-content:has(.bl-page),
.l-mainContent:has(.bl-page),
.l-mainContent__inner:has(.bl-page) {
    max-width: 100%;
    padding-left: 0;
    padding-right: 0;
}

/* -------------------------------------------------------------
   ベース
------------------------------------------------------------- */
.bl-page {
    font-family: var(--bl-jp);
    color: var(--bl-ink);
    line-height: 1.85;
    letter-spacing: 0.02em;
    background: var(--bl-paper);
    width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    overflow: hidden;
    font-size: 16px;
}
.bl-page * { box-sizing: border-box; }
.bl-page h1, .bl-page h2, .bl-page h3 {
    color: var(--bl-navy);
    line-height: 1.4;
    letter-spacing: 0.04em;
}
.bl-page a { color: inherit; }

.bl-pc-only { display: inline; }
@media (max-width: 768px) {
    .bl-pc-only { display: none; }
}

/* -------------------------------------------------------------
   HERO
------------------------------------------------------------- */
.bl-cover {
    position: relative;
    isolation: isolate;
    padding: 120px 0 100px;
    min-height: 400px;
    background: #111A34;
    color: #f4efe2;
    overflow: hidden;
    display: flex;
    align-items: center;
}
.bl-cover::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(ellipse 70% 60% at 80% 25%, rgba(108, 171, 223, 0.10), transparent 60%),
        radial-gradient(ellipse 55% 45% at 15% 85%, rgba(201, 162, 39, 0.06), transparent 60%);
    pointer-events: none;
}
.bl-cover::after {
    content: 'BLOG';
    position: absolute;
    top: 50%;
    right: -2vw;
    transform: translateY(-50%);
    z-index: -1;
    font-family: var(--bl-display);
    font-weight: 800;
    font-size: clamp(180px, 28vw, 360px);
    line-height: 1;
    letter-spacing: -0.04em;
    color: rgba(244, 239, 226, 0.04);
    pointer-events: none;
    user-select: none;
    white-space: nowrap;
}

.bl-cover__inner {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 6vw;
    text-align: left;
    animation: bl-cover-in-up 0.8s 0.1s cubic-bezier(0.2, 0.8, 0.2, 1) backwards;
}
@keyframes bl-cover-in-up {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.bl-cover__brand {
    margin: 0 0 36px;
    display: flex;
    align-items: center;
    gap: 18px;
    line-height: 1;
}
.bl-cover__brand-mark {
    font-family: var(--bl-display);
    font-weight: 800;
    font-size: 22px;
    letter-spacing: 0.18em;
    color: var(--bl-gold);
}
.bl-cover__brand-meta {
    position: relative;
    padding-left: 18px;
    font-family: var(--bl-sans);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: rgba(244, 239, 226, 0.7);
}
.bl-cover__brand-meta::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 14px;
    background: rgba(244, 239, 226, 0.45);
}

.bl-cover__title {
    margin: 0 0 32px;
    line-height: 1;
}
.bl-cover__title-en {
    display: block;
    font-family: var(--bl-display);
    font-size: clamp(44px, 7vw, 72px);
    font-weight: 700;
    color: #f7f3e6;
    letter-spacing: 0.04em;
    margin-bottom: 20px;
}
.bl-cover__title-jp {
    display: inline-block;
    position: relative;
    font-family: var(--bl-display-jp);
    font-size: 16px;
    font-weight: 600;
    color: var(--bl-gold);
    letter-spacing: 0.32em;
    padding: 0 0 16px;
}
.bl-cover__title-jp::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--bl-gold);
}

.bl-cover__sub {
    max-width: 560px;
    margin: 28px 0 0;
    font-size: 15px;
    line-height: 2;
    color: rgba(244, 239, 226, 0.78);
    letter-spacing: 0.04em;
}

/* -------------------------------------------------------------
   FILTER + SEARCH（カテゴリタブ + 検索）
   sticky になったとき (.is-stuck) は背景を強調
------------------------------------------------------------- */
.bl-controls {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(247, 245, 239, 0.92);
    backdrop-filter: saturate(140%) blur(12px);
    -webkit-backdrop-filter: saturate(140%) blur(12px);
    border-bottom: 1px solid var(--bl-rule);
    transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.bl-controls.is-stuck {
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 8px 24px rgba(14, 23, 48, 0.06);
}
.bl-controls__inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 16px 6vw;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

/* カテゴリタブ */
.bl-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
    flex: 1 1 auto;
    align-items: center;
}
.bl-filter__tab {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    font-family: var(--bl-sans);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.16em;
    color: var(--bl-ink-2);
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: 999px;
    transition: color 0.2s ease, background 0.25s ease, border-color 0.25s ease;
}
.bl-filter__tab:hover,
.bl-filter__tab:focus {
    color: var(--bl-navy);
    background: rgba(201, 162, 39, 0.08);
    text-decoration: none;
}
.bl-filter__tab.is-active {
    color: var(--bl-navy);
    background: var(--bl-gold);
    border-color: var(--bl-gold);
}
.bl-filter__tab.is-active:hover { background: var(--bl-gold); }

/* 検索フォーム */
.bl-search {
    display: flex;
    align-items: stretch;
    flex: 0 1 320px;
    min-width: 220px;
    border: 1px solid var(--bl-rule);
    background: #ffffff;
    transition: border-color 0.2s ease;
}
.bl-search:focus-within { border-color: var(--bl-gold); }
.bl-search__input {
    flex: 1 1 auto;
    border: 0;
    background: transparent;
    padding: 10px 14px;
    font-family: var(--bl-jp);
    font-size: 14px;
    color: var(--bl-ink);
    letter-spacing: 0.04em;
    outline: none;
}
.bl-search__input::placeholder { color: var(--bl-ink-2); opacity: 0.7; }
.bl-search__btn {
    border: 0;
    background: transparent;
    padding: 0 14px;
    color: var(--bl-navy);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}
.bl-search__btn:hover { color: var(--bl-gold); }

/* -------------------------------------------------------------
   POSTS GRID
------------------------------------------------------------- */
.bl-posts {
    padding: 100px 0 130px;
    background: var(--bl-paper);
}
.bl-posts__inner {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 6vw;
}

.bl-posts__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px 28px;
}

.bl-post {
    background: #ffffff;
    border: 1px solid var(--bl-rule);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease, box-shadow 0.4s ease, border-color 0.3s ease;
}
.bl-post.is-visible { opacity: 1; transform: translateY(0); }
.bl-post:hover {
    border-color: var(--bl-gold);
    box-shadow: 0 18px 44px rgba(14, 23, 48, 0.10);
}
.bl-post__link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}
.bl-post__link:hover,
.bl-post__link:focus { text-decoration: none; }

.bl-post__media {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bl-paper-2);
}
.bl-post__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.bl-post:hover .bl-post__image { transform: scale(1.04); }
.bl-post__image--empty {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bl-rule);
}
.bl-post__image--empty svg { width: 56px; height: 56px; }

.bl-post__category {
    position: absolute;
    top: 14px;
    left: 14px;
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background: rgba(17, 26, 52, 0.88);
    color: #f7f3e6;
    font-family: var(--bl-sans);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    line-height: 1;
}

.bl-post__body {
    padding: 26px 26px 28px;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
}
.bl-post__num {
    font-family: var(--bl-display);
    font-size: 14px;
    font-weight: 700;
    color: var(--bl-gold);
    margin: 0 0 8px;
    letter-spacing: 0.04em;
    line-height: 1;
}
.bl-post__date {
    font-family: var(--bl-display);
    font-size: 13px;
    color: var(--bl-ink-2);
    letter-spacing: 0.16em;
    margin: 0 0 14px;
    line-height: 1;
}
.bl-post__title {
    font-family: var(--bl-display-jp);
    font-size: 18px;
    font-weight: 600;
    color: var(--bl-navy);
    line-height: 1.55;
    margin: 0 0 12px;
    letter-spacing: 0.04em;
    /* 2行クランプ */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.bl-post__excerpt {
    font-size: 14px;
    line-height: 1.85;
    color: var(--bl-ink-2);
    margin: 0 0 18px;
    letter-spacing: 0.04em;
    /* 3行クランプ */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1 1 auto;
}
.bl-post__more {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--bl-sans);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--bl-navy);
    padding: 8px 0;
    border-bottom: 1px solid var(--bl-gold);
    transition: gap 0.3s ease, color 0.3s ease;
}
.bl-post:hover .bl-post__more {
    color: var(--bl-gold);
    gap: 14px;
}
.bl-post__more-arrow {
    font-family: var(--bl-display);
    font-size: 16px;
    line-height: 1;
}

/* -------------------------------------------------------------
   PAGINATION
------------------------------------------------------------- */
.bl-pagination {
    margin: 80px auto 0;
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
}
.bl-pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    font-family: var(--bl-display);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--bl-ink-2);
    background: #ffffff;
    border: 1px solid var(--bl-rule);
    text-decoration: none;
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.bl-pagination .page-numbers:hover,
.bl-pagination .page-numbers:focus {
    color: var(--bl-navy);
    border-color: var(--bl-gold);
    text-decoration: none;
}
.bl-pagination .page-numbers.current {
    color: var(--bl-navy);
    background: var(--bl-gold);
    border-color: var(--bl-gold);
}
.bl-pagination .page-numbers.dots {
    border: none;
    background: transparent;
    color: var(--bl-ink-2);
}

/* -------------------------------------------------------------
   EMPTY STATE
------------------------------------------------------------- */
.bl-empty {
    text-align: center;
    padding: 80px 24px;
    color: var(--bl-ink-2);
}
.bl-empty__icon {
    width: 64px;
    height: 64px;
    color: var(--bl-gold);
    margin: 0 auto 24px;
    display: block;
}
.bl-empty__text {
    font-size: 15px;
    margin: 0 0 28px;
    letter-spacing: 0.06em;
}
.bl-empty__back {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    font-family: var(--bl-sans);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--bl-navy);
    background: transparent;
    border: 1px solid var(--bl-navy);
    text-decoration: none;
    transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, gap 0.3s ease;
}
.bl-empty__back:hover,
.bl-empty__back:focus {
    color: #ffffff;
    background: var(--bl-navy);
    text-decoration: none;
    gap: 14px;
}

/* -------------------------------------------------------------
   CTA — お問い合わせ（深紺ベース、会社概要・プライバシーと同型）
------------------------------------------------------------- */
.bl-cta {
    padding: 130px 0 140px;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(108, 171, 223, 0.18), transparent 55%),
        radial-gradient(ellipse at 100% 100%, rgba(201, 162, 39, 0.15), transparent 55%),
        var(--bl-navy-deep);
    color: #f4efe2;
    position: relative;
    overflow: hidden;
}
.bl-cta::before {
    content: 'Contact';
    position: absolute;
    top: 30px;
    left: -1vw;
    font-family: var(--bl-display);
    font-weight: 800;
    font-size: clamp(110px, 22vw, 280px);
    color: rgba(244, 239, 226, 0.04);
    pointer-events: none;
    line-height: 1;
}
.bl-cta__inner {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 6vw;
    text-align: center;
    position: relative;
    z-index: 1;
}
.bl-cta__inner .inb-chapter { color: var(--bl-gold-soft); }

.bl-page .bl-cta__title {
    font-family: var(--bl-display-jp);
    font-size: clamp(28px, 4.4vw, 48px);
    font-weight: 600;
    color: #f7f3e6;
    margin: 0 0 24px;
    letter-spacing: 0.08em;
    line-height: 1.5;
}
.bl-cta__lead {
    font-size: 15px;
    color: rgba(244, 239, 226, 0.8);
    margin: 0 0 56px;
    letter-spacing: 0.05em;
    line-height: 2;
}

.bl-cta__actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    max-width: 760px;
    margin: 0 auto 36px;
}

.bl-cta__btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    text-align: left;
    padding: 28px 32px;
    border: 1px solid rgba(244, 239, 226, 0.4);
    background: transparent;
    text-decoration: none;
    color: #f4efe2;
    transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
    position: relative;
    overflow: hidden;
}
.bl-cta__btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--bl-gold);
    transform: translateX(-101%);
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    z-index: -1;
}
.bl-cta__btn:hover,
.bl-cta__btn:focus {
    border-color: var(--bl-gold);
    color: var(--bl-navy);
    transform: translateY(-2px);
    text-decoration: none;
}
.bl-cta__btn:hover::before,
.bl-cta__btn:focus::before { transform: translateX(0); }

.bl-cta__btn-label {
    font-family: var(--bl-sans);
    font-size: 14px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--bl-gold);
    margin-bottom: 10px;
    transition: color 0.3s ease;
}
.bl-cta__btn:hover .bl-cta__btn-label { color: var(--bl-navy); }

.bl-cta__btn-num {
    font-family: var(--bl-display);
    font-size: 28px;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.bl-cta__btn-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
}
.bl-cta__btn-meta-text {
    font-family: var(--bl-display-jp);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.06em;
    line-height: 1.3;
}
.bl-cta__btn-arrow {
    font-family: var(--bl-display);
    font-size: 24px;
    line-height: 1;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}
.bl-cta__btn:hover .bl-cta__btn-arrow { transform: translateX(6px); }

.bl-cta__hours {
    font-family: var(--bl-sans);
    font-size: 14px;
    letter-spacing: 0.18em;
    color: rgba(244, 239, 226, 0.6);
    margin: 32px 0 0;
}

/* -------------------------------------------------------------
   レスポンシブ
------------------------------------------------------------- */
/* 中間域：1280px以下 */
@media (max-width: 1280px) {
    .bl-posts { padding: 90px 0 110px; }
    .bl-cta { padding: 110px 0 120px; }
}

@media (max-width: 1024px) {
    .bl-cover {
        padding: 100px 0 80px;
        min-height: 360px;
    }
    .bl-posts__grid { grid-template-columns: repeat(2, 1fr); }
    .bl-controls__inner { gap: 16px; }
}

@media (max-width: 768px) {
    .bl-page { font-size: 15px; }

    .bl-cover {
        padding: 100px 0 80px;
        min-height: 360px;
    }
    .bl-cover__brand {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 28px;
    }
    .bl-cover__brand-meta { padding-left: 0; }
    .bl-cover__brand-meta::before { display: none; }
    .bl-cover::after {
        font-size: clamp(110px, 36vw, 200px);
        right: -4vw;
    }
    .bl-cover__title-en { font-size: clamp(32px, 9vw, 48px); }

    .bl-controls__inner { gap: 14px; padding: 12px 5vw; }
    .bl-filter__tab { padding: 8px 14px; font-size: 12px; letter-spacing: 0.12em; }
    .bl-search { flex: 1 1 100%; }

    .bl-posts { padding: 70px 0 100px; }
    .bl-posts__grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .bl-post__body { padding: 22px 22px 24px; }
    .bl-post__title { font-size: 17px; }
    .bl-post__excerpt { font-size: 13.5px; }

    .bl-pagination { margin-top: 56px; }
    .bl-pagination .page-numbers { min-width: 36px; height: 36px; font-size: 13px; }

    .bl-cta { padding: 90px 0; }
    .bl-cta__lead { margin-bottom: 40px; }
    .bl-cta__actions {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .bl-cta__btn { padding: 22px 26px; }
    .bl-cta__btn-num { font-size: 22px; }
    .bl-cta__btn-meta-text { font-size: 15px; }
}

/* スマホ小：480px以下 */
@media (max-width: 480px) {
    .bl-cover { padding: 90px 0 70px; min-height: 320px; }
    .bl-cover__title-en { font-size: clamp(26px, 9vw, 38px); }
    .bl-cover__sub { font-size: 13px; line-height: 1.85; }

    .bl-controls__inner { padding: 10px 4vw; gap: 10px; }
    .bl-filter { gap: 4px 8px; }
    .bl-filter__tab { padding: 7px 12px; font-size: 11.5px; min-height: 36px; }
    .bl-search__input { font-size: 13px; padding: 9px 12px; }

    .bl-posts { padding: 56px 0 80px; }
    .bl-post__media { aspect-ratio: 16 / 11; }
    .bl-post__category { top: 10px; left: 10px; padding: 5px 10px; font-size: 10px; }
    .bl-post__body { padding: 18px 18px 20px; }
    .bl-post__title { font-size: 16px; line-height: 1.6; }
    .bl-post__excerpt { font-size: 13px; }
    .bl-post__more { font-size: 12px; letter-spacing: 0.16em; }

    .bl-pagination .page-numbers { min-width: 34px; height: 34px; font-size: 12px; padding: 0 9px; }

    .bl-cta { padding: 70px 0 80px; }
    .bl-cta__title { font-size: clamp(22px, 7vw, 30px); text-align: left; }
    .bl-cta__lead { font-size: 13.5px; line-height: 1.85; margin-bottom: 32px; }
    .bl-cta__btn { padding: 18px 22px; }
    .bl-cta__btn-label { font-size: 12px; letter-spacing: 0.18em; }
    .bl-cta__btn-num { font-size: 19px; }
    .bl-cta__btn-meta-text { font-size: 13px; }
    .bl-cta__hours { font-size: 11px; letter-spacing: 0.12em; }
}

/* -------------------------------------------------------------
   モーション抑制
------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .bl-cover__inner { animation: none !important; }
    .bl-post,
    .bl-post__image,
    .bl-post__more,
    .bl-empty__back,
    .bl-cta__btn { transition: none !important; }
    .bl-post:hover { transform: none !important; }
    .bl-post:hover .bl-post__image { transform: none !important; }
}