/* about ページ固有スタイル */

/* ===== ページヒーロー（スライドショーなし・シンプル） ===== */
    .page-hero {      background: #1e3a5f;
      padding: 1.7rem 0 1.3rem;
      color: #fff;
    }
    .page-hero h1 {
      font-family: var(--font-display);
      font-size: clamp(1.8rem, 4vw, 2.8rem);
      font-weight: 700;
      margin: 0 0 0.05rem;
    }
    .page-hero-sub {
      font-size: 0.8rem;
      letter-spacing: 0.2em;
      opacity: 0.75;
      font-weight: 300;
    }

    /* ページ内アンカーナビ */
    .page-nav {
      background: #fff;
      border-bottom: 1px solid var(--color-border);
      position: relative;
      z-index: 90;
    }
    .page-nav .container {
      display: flex;
      gap: 0;
      overflow-x: auto;
      scrollbar-width: none;
    }
    .page-nav .container::-webkit-scrollbar { display: none; }
    .page-nav-link {
      display: flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.9rem clamp(0.45rem, 1.8vw, 1.1rem);
      font-size: clamp(0.6rem, 1.8vw, 0.8rem);
      color: var(--color-text-sub);
      text-decoration: none;
      white-space: nowrap;
      border-bottom: 2px solid transparent;
      transition: color 0.2s, border-color 0.2s;
      font-weight: 500;
    }
    .page-nav-link i { width: 0.9rem; height: 0.9rem; }
    .page-nav-link:hover { color: var(--color-primary); border-bottom-color: var(--color-primary); }

    /* セクション共通 */
    .about-section { padding: 5rem 0; }
    #history .container,
    #achievements .container,
    #recent .container { max-width: 860px; }
    .about-section.bg-light { background: var(--color-bg-section); }
    .section-header { margin-bottom: 3rem; }
    .section-header .section-eyebrow {
      font-size: 0.68rem;
      letter-spacing: 0.32em;
      text-transform: uppercase;
      color: var(--color-accent);
      margin-bottom: 0.5rem;
    }
    .section-header .section-eyebrow.dark-bg { color: #8B6000; }
    .section-header h2 {
      font-family: var(--font-display);
      font-size: clamp(1.4rem, 3vw, 2rem);
      font-weight: 700;
      color: var(--color-text);
      margin: 0;
    }
    .section-header .section-desc {
      margin-top: 0.75rem;
      color: var(--color-text-sub);
      font-size: 0.9rem;
      line-height: 1.8;
    }

    /* ===== ABOUTセクション（スライドショー背景・トップと同スタイル） ===== */
    #overview {
      position: relative;
      padding: 5.5rem 0;
      color: #fff;
      overflow: hidden;
    }
    #overview .about-overlay {
      background: linear-gradient(135deg, rgba(10,18,35,0.90) 0%, rgba(22,36,65,0.82) 100%);
    }
    #overview .container { position: relative; z-index: 2; }
    .overview-inner {
      max-width: 700px;
      margin: 0 auto;
    }
    .overview-eyebrow,
    .overview-heading {
      text-align: center;
    }
    .overview-eyebrow {
      font-size: 0.68rem;
      letter-spacing: 0.32em;
      text-transform: uppercase;
      color: var(--color-accent);
      margin-bottom: 0.75rem;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.75rem;
    }
    .overview-eyebrow::before,
    .overview-eyebrow::after {
      content: '';
      display: block;
      width: 2rem;
      height: 1px;
      background: currentColor;
      opacity: 0.4;
    }
    .overview-heading {
      font-family: var(--font-display);
      font-size: clamp(1.2rem, 2.6vw, 1.8rem);
      font-weight: 700;
      margin-bottom: 1.5rem;
      line-height: 1.45;
    }
    .overview-body-text {
      font-size: 0.9rem;
      line-height: 2;
      color: rgba(255,255,255,0.88);
      margin-bottom: 1rem;
    }
    .overview-body-text:last-child { margin-bottom: 0; }

    /* ===== ヒストリー タイムライン ===== */
    .timeline {
      position: relative;
      padding-left: 2rem;
    }
    .timeline::before {
      content: '';
      position: absolute;
      left: 0.4rem;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
      border-radius: 2px;
    }
    .timeline-item {
      position: relative;
      margin-bottom: 2rem;
      padding-left: 1.5rem;
    }
    .timeline-item::before {
      content: '';
      position: absolute;
      left: -1.65rem;
      top: 0.4rem;
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: var(--color-primary);
      border: 2px solid #fff;
      box-shadow: 0 0 0 2px var(--color-primary);
    }
    .timeline-item.milestone::before {
      background: var(--color-accent);
      box-shadow: 0 0 0 2px var(--color-accent);
      width: 13px;
      height: 13px;
      left: -1.78rem;
      top: 0.3rem;
    }
    .timeline-year {
      display: inline-block;
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      color: var(--color-primary);
      background: rgba(46,109,164,0.08);
      padding: 0.1rem 0.55rem;
      border-radius: 2rem;
      margin-bottom: 0.3rem;
    }
    .timeline-item.milestone .timeline-year {
      color: #8B6000;
      background: rgba(245,166,35,0.12);
    }
    .timeline-text {
      font-size: 0.88rem;
      line-height: 1.75;
      color: var(--color-text);
    }
    .timeline-text strong { color: var(--color-primary); }

    /* ===== 主な活動 活動カード ===== */
    .activity-cards {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1.5rem;
    }
    .activity-card {
      background: #fff;
      border-radius: 0.75rem;
      padding: 1.5rem;
      box-shadow: 0 2px 12px rgba(30,40,80,0.07);
      border: 1px solid var(--color-border);
    }
    .activity-card-icon {
      width: 2.5rem;
      height: 2.5rem;
      background: rgba(46,109,164,0.1);
      border-radius: 0.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 0.9rem;
      color: var(--color-primary);
    }
    .activity-card-icon i { width: 1.2rem; height: 1.2rem; }
    .activity-card h3 {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--color-text);
      margin-bottom: 0.6rem;
    }
    .activity-card p,
    .activity-card ul {
      font-size: 0.82rem;
      line-height: 1.8;
      color: var(--color-text-sub);
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .activity-card ul li {
      padding: 0.2rem 0;
      border-bottom: 1px solid var(--color-border);
    }
    .activity-card ul li:last-child { border-bottom: none; }
    .activity-card-photo {
      margin-top: 1rem;
      border-radius: 0.5rem;
      overflow: hidden;
    }
    .activity-card-photo img {
      width: 100%;
      height: auto;
      display: block;
      border-radius: 0.5rem;
    }

    /* 受賞歴 */
    .awards-list {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
      gap: 1.25rem;
      margin-top: 3rem;
    }
    .award-item {
      padding: 1.5rem 1.75rem;
      background: #fff;
      border-radius: 0.75rem;
      border-top: 3px solid var(--color-accent);
      box-shadow: 0 2px 12px rgba(30,40,80,0.07);
      position: relative;
    }
    .award-name {
      font-family: var(--font-display);
      font-weight: 700;
      font-size: 0.95rem;
      color: var(--color-text);
      line-height: 1.5;
      margin-bottom: 0.5rem;
    }
    .award-desc { font-size: 0.78rem; color: var(--color-text-sub); line-height: 1.7; }

    /* ===== 近年の活動（展開表示） ===== */
    .recent-years {
      display: flex;
      flex-direction: column;
      gap: 2rem;
    }
    .recent-year-block {
      background: #fff;
      border-radius: 0.75rem;
      border: 1px solid var(--color-border);
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(30,40,80,0.05);
    }
    .recent-year-heading {
      font-family: var(--font-display);
      font-size: 1rem;
      font-weight: 700;
      color: var(--color-primary);
      padding: 0.85rem 1.5rem;
      background: rgba(46,109,164,0.06);
      border-bottom: 1px solid var(--color-border);
      margin: 0;
    }
    .recent-table {
      width: 100%;
      border-collapse: collapse;
      font-size: 0.85rem;
    }
    .recent-table td {
      padding: 0.5rem 1.5rem;
      border-bottom: 1px solid var(--color-border);
      vertical-align: top;
      line-height: 1.6;
    }
    .recent-table tr:last-child td { border-bottom: none; }
    .recent-table .td-month {
      white-space: nowrap;
      color: var(--color-primary);
      font-weight: 700;
      width: 3rem;
    }
    .recent-table .td-venue {
      color: var(--color-text-sub);
      width: 40%;
    }
    @media (max-width: 767px) {
      .recent-table .td-venue { display: none; }
      .recent-table td { padding: 0.5rem 1rem; }
      /* 本文フォントサイズを横向きと統一 */
      .overview-body-text,
      .timeline-text,
      .section-header .section-desc,
      .photo-credit { font-size: 0.95rem; line-height: 1.95; }
      .recent-table { font-size: 0.78rem; }
      .main-act-text,
      .main-act-year,
      .main-act-venue,
      .commission-item,
      .commission-composer,
      .overseas-detail,
      .teacher-bio { font-size: 0.82rem; line-height: 1.7; }
    }

    /* ===== おたより（団員専用ページ／WordPress連携）===== */
    /* 既存の .recent-year-block 等のトークン（色・角丸・影）を踏襲しつつ、
       年度帯（ベージュ＝accentトーン）とセクション帯（グレー＝bg-section）を新設する。 */
    .dayori-year-block {
      background: #fff;
      border-radius: 0.75rem;
      border: 1px solid var(--color-border);
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(30,40,80,0.05);
      margin-bottom: 2rem;
    }
    .dayori-year-heading {
      font-family: var(--font-display);
      font-size: 1rem;
      font-weight: 700;
      color: var(--color-text);
      padding: 0.85rem 1.5rem;
      background: rgba(245,166,35,0.14);
      border-bottom: 1px solid var(--color-border);
      margin: 0;
    }
    .dayori-section-heading {
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--color-text-sub);
      padding: 0.6rem 1.5rem;
      background: var(--color-bg-section);
      border-bottom: 1px solid var(--color-border);
      margin: 0;
    }
    .dayori-section + .dayori-section .dayori-section-heading {
      border-top: 1px solid var(--color-border);
    }
    /* 実tableで表形式（現行静的サイトの<table class="ta1">構造を踏襲）。
       列は12等分の固定幅（table-layout: fixed）にしつつ、十分なpadding・min-widthを確保する。
       セル内に長いリンクテキストが入っても、そのセルだけ縦に伸びる（他の列は自動的に同じ行の高さに揃う）。 */
    .dayori-table-wrap {
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
    }
    .dayori-table {
      width: 100%;
      min-width: 60rem;
      border-collapse: collapse;
      table-layout: fixed;
    }
    .dayori-cell {
      width: 8.33%;
      padding: 0.75rem 0.6rem;
      border-bottom: 1px solid var(--color-border);
      border-right: 1px solid var(--color-border);
      font-size: 0.9rem;
      line-height: 1.6;
      text-align: left;
      vertical-align: top;
    }
    .dayori-cell:last-child { border-right: none; }
    .dayori-cell-label {
      display: block;
      font-size: 0.8rem;
      color: var(--color-text-sub);
      line-height: 1.4;
      white-space: nowrap;
    }
    .dayori-cell a { color: var(--color-primary); text-decoration: underline; word-break: break-word; }
    .dayori-cell a:hover { color: var(--color-primary-dk); }
    .dayori-cell-empty { color: var(--color-text-sub); }
    /* タブレット・スマホ幅では横スクロールを避けるため、tableの表構造をCSSでカード風グリッドに
       切り替える（tbody/tr/tdのdisplayをgrid/blockで上書き）。行の折り返し数は画面幅で可変にし、
       月／号のラベル（.dayori-cell-label）は各セル内にそのまま常時表示され続ける。
       タブレット幅（〜1024px）では4列、スマホ幅（〜767px）では3列、狭幅スマホ（〜480px）では2列に
       段階的に折り返し数を減らす。 */
    @media (max-width: 1024px) {
      .dayori-table-wrap { overflow-x: visible; }
      .dayori-table {
        display: block;
        width: 100%;
        /* 定演だより表はJSで枠数に応じたインラインmin-widthを指定しているため、この幅で必ず上書きする */
        min-width: 0 !important;
        table-layout: auto;
        font-size: 0.85rem;
      }
      .dayori-table tbody { display: block; }
      .dayori-table tr {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
      }
      .dayori-cell {
        display: block;
        /* 定演だより表はJSで列数に応じたインラインwidthを指定しているため、この幅で必ず上書きする */
        width: auto !important;
        padding: 0.6rem 0.4rem;
        border-right: 1px solid var(--color-border);
      }
      .dayori-cell:last-child { border-right: 1px solid var(--color-border); }
    }
    @media (max-width: 767px) {
      .dayori-table tr { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 480px) {
      .dayori-table tr { grid-template-columns: repeat(2, 1fr); }
    }

    /* ===== もっと見る（折りたたみ） ===== */
    .recent-older {
      overflow: hidden;
      max-height: 0;
      transition: max-height 0.6s ease;
      display: flex;
      flex-direction: column;
      gap: 2rem;
    }
    .recent-older.expanded {
      max-height: 9999px;
      transition: max-height 1.2s ease;
    }
    .recent-more-wrap {
      text-align: center;
      margin-top: 1.5rem;
    }
    .recent-more-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.7rem 2rem;
      background: #fff;
      border: 1.5px solid var(--color-primary);
      border-radius: 2rem;
      color: var(--color-primary);
      font-size: 0.85rem;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.2s, color 0.2s;
    }
    .recent-more-btn:hover {
      background: var(--color-primary);
      color: #fff;
    }
    .recent-more-btn .btn-icon {
      transition: transform 0.3s;
    }
    .recent-more-btn.open .btn-icon {
      transform: rotate(180deg);
    }

    /* ===== 先生方のプロフィール ===== */
    .teachers-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 2rem;
    }
    @media (min-width: 768px) {
      .teachers-grid { grid-template-columns: repeat(2, 1fr); }
    }
    .teacher-card {
      background: #fff;
      border-radius: 0.75rem;
      padding: 1.75rem;
      box-shadow: 0 2px 12px rgba(30,40,80,0.07);
      border: 1px solid var(--color-border);
    }
    .teacher-card.founder {
      grid-column: 1 / -1;
      background: linear-gradient(135deg, #f0f4fa 0%, #fdfbf7 100%);
      border-left: 4px solid var(--color-primary);
    }
    .teacher-card-header {
      display: flex;
      align-items: flex-start;
      gap: 1.2rem;
      margin-bottom: 0.9rem;
    }
    .teacher-photo {
      width: auto;
      height: auto;
      max-width: 140px;
      border-radius: 0;
      flex-shrink: 0;
      display: block;
    }
    .teacher-info { flex: 1; }
    .teacher-name {
      font-family: var(--font-display);
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--color-text);
      margin-bottom: 0.35rem;
    }
    .teacher-role {
      display: inline-block;
      font-size: 0.72rem;
      color: var(--color-primary);
      background: rgba(46,109,164,0.1);
      padding: 0.15rem 0.65rem;
      border-radius: 2rem;
      font-weight: 600;
      letter-spacing: 0.06em;
    }
    .teacher-card.founder .teacher-role {
      color: #8B6000;
      background: rgba(245,166,35,0.15);
    }
    .teacher-bio {
      font-size: 0.83rem;
      line-height: 1.9;
      color: var(--color-text-sub);
    }
    .founder-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      font-size: 0.7rem;
      font-weight: 700;
      color: #8B6000;
      background: rgba(245,166,35,0.15);
      padding: 0.15rem 0.65rem;
      border-radius: 2rem;
      margin-bottom: 0.4rem;
    }
    .founder-badge i { width: 0.7rem; height: 0.7rem; }
    /* teachers-grid の直下でCSS Gridの2カラムレイアウトを崩さないよう、
       マウント要素自体はレイアウトに関与させず(display:contents)、
       JSが挿入する各 .teacher-card / 読み込み中メッセージを直接のグリッドアイテムにする */
    #teachers-wp-mount { display: contents; }
    .teacher-loading {
      grid-column: 1 / -1;
      font-size: 0.83rem;
      color: var(--color-text-sub);
      text-align: center;
      padding: 1rem 0;
    }

    /* ===== 主な活動実績 サブセクション ===== */
    .ach-subsection { margin-top: 3rem; }
    .ach-sub-label {
      display: inline-block;
      background: var(--color-text);
      color: #fff;
      font-family: var(--font-display);
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.1em;
      padding: 0.22rem 1rem;
      margin-bottom: 1.5rem;
    }
    /* 主な活動 2カラムフロー */
    .main-act-flow {
      columns: 1;
    }
    .main-act-block { break-inside: avoid; margin-bottom: 1.1rem; }
    .main-act-entry { margin-bottom: 0.35rem; }
    .main-act-year {
      font-weight: 700;
      font-size: 0.82rem;
      color: var(--color-text);
      margin: 0 0 0.15rem;
    }
    .main-act-text {
      font-size: 0.82rem;
      line-height: 1.6;
      color: var(--color-text);
      margin: 0 0 0.1rem;
    }
    .main-act-venue {
      font-size: 0.77rem;
      color: var(--color-text-sub);
      margin: 0;
      padding-left: 0.5rem;
    }
    .main-act-photo { margin: 0.6rem 0 0.2rem; }
    .main-act-photo img {
      width: 100%;
      max-width: 340px;
      height: auto;
      display: block;
      border-radius: 0.35rem;
    }
    /* オーケストラ共演 2カラムグリッド */
    .orchestra-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 0;
    }
    .orch-item {
      display: flex;
      gap: 0.75rem;
      font-size: 0.85rem;
      padding: 0.5rem 0;
      border-bottom: 1px solid var(--color-border);
      line-height: 1.6;
    }
    .orch-composer {
      color: var(--color-text-sub);
      white-space: nowrap;
      min-width: 7.5rem;
      font-size: 0.78rem;
    }
    .orch-work { color: var(--color-text); }
    /* 受賞歴リスト */
    .awards-list-v2 { list-style: none; padding: 0; margin: 0; }
    .awards-list-v2 li {
      display: flex;
      gap: 1.25rem;
      padding: 0.6rem 0;
      border-bottom: 1px solid var(--color-border);
      font-size: 0.85rem;
      line-height: 1.65;
    }
    .award-year-v2 {
      color: var(--color-primary);
      font-weight: 700;
      white-space: nowrap;
      min-width: 5.5rem;
      font-size: 0.8rem;
    }
    /* 委嘱作品リスト */
    .commissions-list { list-style: none; padding: 0; margin: 0; }
    .commission-item {
      padding: 0.6rem 0;
      border-bottom: 1px solid var(--color-border);
      font-size: 0.85rem;
      line-height: 1.8;
    }
    .commission-year { font-weight: 700; color: var(--color-text); margin-right: 0.4rem; }
    .commission-title { color: var(--color-text); }
    .commission-composer {
      display: block;
      font-size: 0.77rem;
      color: var(--color-text-sub);
      padding-left: 0.5rem;
    }
    .overseas-detail {
      margin: 0.4rem 0 0.2rem 1rem;
      padding: 0;
      font-size: 0.8rem;
      color: var(--color-text-sub);
      line-height: 1.8;
    }

    /* ===== セクション内写真 ===== */
    .timeline-photo {
      margin-top: 0.85rem;
    }
    .timeline-photo img {
      width: 100%;
      max-width: 340px;
      height: auto;
      display: block;
      border-radius: 0.5rem;
    }
    .year-block-photo {
      padding: 0 1.5rem 1rem;
    }
    .year-block-photo img {
      width: 100%;
      max-width: 420px;
      height: auto;
      display: block;
      border-radius: 0.5rem;
    }
    .photo-credit-wrap {
      position: relative;
      display: block;
      max-width: 340px;
    }
    .photo-credit-wrap img {
      display: block;
      width: 100%;
      height: auto;
      max-width: 100%;
    }
    .photo-credit {
      position: absolute;
      bottom: 0.45rem;
      right: 0.6rem;
      color: #fff;
      font-size: 0.68rem;
      letter-spacing: 0.04em;
      text-shadow: 0 1px 4px rgba(0,0,0,0.85);
      pointer-events: none;
      user-select: none;
    }
    .achievements-photos {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 1.25rem;
      margin-top: 2.5rem;
    }
    .achievements-photo-item figure {
      margin: 0;
      border-radius: 0.5rem;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(30,40,80,0.1);
    }
    .achievements-photo-item img {
      width: 100%;
      height: auto;
      display: block;
    }
    .achievements-photo-item figcaption {
      font-size: 0.75rem;
      color: var(--color-text-sub);
      padding: 0.45rem 0.6rem;
      background: var(--color-bg-section);
      line-height: 1.5;
    }

    /* ===== スマートフォン横向き：本文フォントサイズ統一 ===== */
    @media (max-width: 1024px) and (orientation: landscape) {
      .overview-body-text,
      .timeline-text,
      .section-header .section-desc,
      .photo-credit { font-size: 0.95rem; line-height: 1.95; }
      .recent-table { font-size: 0.78rem; }
      .recent-table td { padding: 0.35rem 1rem; }
      .main-act-text,
      .main-act-year,
      .main-act-venue,
      .commission-item,
      .commission-composer,
      .overseas-detail,
      .teacher-bio { font-size: 0.82rem; line-height: 1.7; }
    }

    /* CTA */

    .page-nav-link.active {
      color: var(--color-primary);
      border-bottom-color: var(--color-primary);
      font-weight: 700;
    }