/*
Theme Name: Watch Brand Directory
Theme URI: https://example.com/
Author: Old New Inc.
Description: 世界の高級時計ブランドを国・コンセプト・ムーブメント・沿革タイプなどで絞り込める辞典サイト用のフルスクラッチテーマ。ミッドナイトブルー・ネイビー・シャンパンゴールドを基調としたラグジュアリーデザイン。
Version: 1.0.0
Requires PHP: 7.4
Text Domain: watch-brand-directory
*/

  :root {
    --midnight: #0F172A;
    --midnight-soft: #16213D;
    --navy: #1E3A8A;
    --gold: #E5C97A;
    --gold-soft: #F1E3BE;
    --cream: #FAF7F0;
    --paper: #FFFFFF;
    --ink: #1B2436;
    --ink-soft: #5A6478;
    --line: #E7E1D2;
    --radius: 4px;
  }
  :root:not([data-theme="light"]) {
    color-scheme: dark light;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --cream: #14181F;
      --paper: #1B2130;
      --ink: #EDEBE4;
      --ink-soft: #A9AFC0;
      --line: #313A4F;
    }
  }
  :root[data-theme="dark"] {
    --cream: #14181F;
    --paper: #1B2130;
    --ink: #EDEBE4;
    --ink-soft: #A9AFC0;
    --line: #313A4F;
  }

  * { box-sizing: border-box; }
  html, body {
    margin: 0; padding: 0;
    background: var(--cream);
    color: var(--ink);
    font-family: "Noto Sans JP", sans-serif;
    -webkit-font-smoothing: antialiased;
  }

  .topnav {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 18px 28px;
    background: var(--midnight);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .topnav-mark { font-size: 15px; }
  .topnav-name {
    font-family: "Shippori Mincho", serif;
    font-size: 14.5px;
    color: #FFFFFF;
    letter-spacing: 0.04em;
  }
  .topnav-tag {
    font-size: 11px;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.04em;
  }

  .hero {
    position: relative;
    padding: 76px 24px 64px;
    text-align: center;
    background: linear-gradient(180deg, var(--midnight) 0%, var(--navy) 62%, var(--gold) 100%);
    overflow: hidden;
  }
  .hero-dial {
    position: absolute;
    top: 50%; left: 50%;
    width: 640px; height: 640px;
    transform: translate(-50%, -50%);
    pointer-events: none;
  }
  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(255,255,255,0.08), transparent 60%);
    pointer-events: none;
  }
  .hero-eyebrow {
    position: relative;
    font-size: 13px;
    letter-spacing: 0.28em;
    color: var(--gold-soft);
    margin: 0 0 18px;
  }
  .hero h1 {
    position: relative;
    font-family: "Shippori Mincho", serif;
    font-weight: 700;
    font-size: clamp(32px, 5vw, 52px);
    color: #FFFFFF;
    margin: 0 0 14px;
    letter-spacing: 0.04em;
  }
  .hero p {
    position: relative;
    font-size: 15px;
    color: rgba(255,255,255,0.72);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.9;
  }

  .layout {
    max-width: 1180px;
    margin: 0 auto;
    padding: 40px 24px 100px;
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 36px;
    align-items: start;
  }
  @media (max-width: 860px) {
    .layout { grid-template-columns: 1fr; }
  }

  .filters {
    background: var(--midnight);
    border-radius: var(--radius);
    padding: 28px 24px 32px;
    position: sticky;
    top: 24px;
  }
  @media (max-width: 860px) { .filters { position: static; } }

  .filters h2 {
    font-family: "Shippori Mincho", serif;
    font-size: 17px;
    color: var(--gold);
    margin: 0 0 6px;
    letter-spacing: 0.06em;
  }
  .filters .count {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    margin: 0 0 22px;
  }
  .facet-group { margin-bottom: 22px; }
  .facet-group:last-of-type { margin-bottom: 8px; }
  .facet-title {
    font-size: 12px;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.06em;
    margin: 0 0 10px;
  }
  .facet-options { display: flex; flex-wrap: wrap; gap: 8px; }
  .facet-btn {
    appearance: none;
    border: 1px solid rgba(255,255,255,0.18);
    background: transparent;
    color: rgba(255,255,255,0.82);
    font-family: "Noto Sans JP", sans-serif;
    font-size: 12.5px;
    padding: 7px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: border-color .15s ease, color .15s ease, background .15s ease;
  }
  .facet-btn:hover { border-color: var(--gold); color: #fff; }
  .facet-btn.active {
    background: var(--gold);
    border-color: var(--gold);
    color: var(--midnight);
    font-weight: 500;
  }
  .reset-btn {
    width: 100%;
    margin-top: 6px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.22);
    color: rgba(255,255,255,0.7);
    padding: 10px;
    border-radius: var(--radius);
    font-family: "Noto Sans JP", sans-serif;
    font-size: 13px;
    cursor: pointer;
  }
  .reset-btn:hover { border-color: var(--gold); color: var(--gold); }

  .results-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
  }
  .results-head h2 {
    font-family: "Shippori Mincho", serif;
    font-size: 20px;
    margin: 0;
    color: var(--ink);
  }
  .results-head .n {
    font-size: 13px;
    color: var(--ink-soft);
  }

  .era-block { margin-bottom: 36px; }
  .era-block:last-child { margin-bottom: 0; }

  .tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--line);
  }
  .tab-btn {
    appearance: none;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 10px 4px 12px;
    margin-right: 22px;
    font-family: "Noto Sans JP", sans-serif;
    cursor: pointer;
    color: var(--ink-soft);
  }
  .tab-btn .tab-main {
    display: block;
    font-family: "Shippori Mincho", serif;
    font-size: 15.5px;
    color: var(--ink-soft);
  }
  .tab-btn .tab-sub {
    display: block;
    font-size: 11px;
    margin-top: 2px;
    color: var(--ink-soft);
    opacity: 0.75;
  }
  .tab-btn.active { border-bottom-color: var(--gold); }
  .tab-btn.active .tab-main { color: var(--ink); }
  .tab-intro {
    font-size: 12.5px;
    color: var(--ink-soft);
    line-height: 1.8;
    margin: -6px 0 20px;
    padding: 12px 16px;
    background: var(--paper);
    border-left: 3px solid var(--gold);
    border-radius: 0 4px 4px 0;
  }
  .era-heading {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin: 0 0 16px;
  }
  .era-heading h3 {
    font-family: "Shippori Mincho", serif;
    font-size: 16px;
    color: var(--navy);
    margin: 0;
  }
  @media (prefers-color-scheme: dark) { .era-heading h3 { color: var(--gold); } }
  :root[data-theme="dark"] .era-heading h3 { color: var(--gold); }
  .era-heading .era-sub {
    font-size: 11.5px;
    color: var(--ink-soft);
  }
  .era-heading .era-line {
    flex: 1;
    height: 1px;
    background: var(--line);
  }

  .grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
  }

  .card {
    display: block;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px 20px;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    transition: border-color .15s ease, transform .15s ease;
  }
  .card:hover { border-color: var(--gold); transform: translateY(-2px); }
  .card-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
  }
  .card h3 {
    font-family: "Shippori Mincho", serif;
    font-size: 18px;
    margin: 0 0 2px;
    color: var(--ink);
  }
  .card .en {
    font-size: 11.5px;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
  }
  .card .meta {
    font-size: 12.5px;
    color: var(--ink-soft);
    margin: 0 0 12px;
  }
  .card .tags { display: flex; flex-wrap: wrap; gap: 6px; }
  .tag {
    font-size: 11px;
    color: var(--navy);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 3px 8px;
  }
  @media (prefers-color-scheme: dark) {
    .tag { color: var(--gold-soft); }
  }
  :root[data-theme="dark"] .tag { color: var(--gold-soft); }

  .era-note {
    margin-top: 16px;
    padding: 14px 16px;
    background: var(--paper);
    border-left: 3px solid var(--gold);
    border-radius: 0 4px 4px 0;
    font-size: 12.5px;
    line-height: 1.8;
    color: var(--ink-soft);
  }
  .era-note strong { color: var(--ink); font-weight: 500; }

  .continuity-badge {
    font-size: 10.5px;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid;
  }
  .continuity-badge.type-継続型 { color: var(--ink-soft); border-color: var(--line); }
  .continuity-badge.type-復活型 { color: #9A5B1F; border-color: #D9A25C; background: rgba(217,162,92,0.12); }
  .continuity-badge.type-継承型 { color: var(--navy); border-color: var(--navy); background: rgba(30,58,138,0.08); }

  .empty {
    padding: 60px 20px;
    text-align: center;
    color: var(--ink-soft);
    font-size: 14px;
    border: 1px dashed var(--line);
    border-radius: var(--radius);
  }

  .site-footer {
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px 24px 48px;
    border-top: 1px solid var(--line);
    font-size: 12px;
    color: var(--ink-soft);
    text-align: center;
  }

  a:focus-visible, button:focus-visible, .card:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
  }

  .brand-detail {
    max-width: 640px;
    margin: 0 auto;
    background: var(--paper);
    border-radius: var(--radius);
    padding: 40px 36px;
  }
  .brand-detail .back-link {
    display: inline-block;
    font-size: 12.5px;
    color: var(--ink-soft);
    text-decoration: none;
    margin-bottom: 20px;
  }
  .brand-detail .back-link:hover { color: var(--navy); }
  .brand-detail h1 {
    font-family: "Shippori Mincho", serif;
    font-size: 30px;
    margin: 0 0 4px;
    color: var(--ink);
  }
  .brand-detail .en { color: var(--ink-soft); font-size: 14px; margin-bottom: 22px; }
  .brand-detail dl { margin: 0; }
  .brand-detail dt {
    font-size: 11.5px;
    letter-spacing: 0.05em;
    color: var(--gold);
    background: var(--midnight);
    display: inline-block;
    padding: 3px 9px;
    border-radius: 3px;
    margin: 18px 0 6px;
  }
  .brand-detail dd {
    margin: 0;
    font-size: 14.5px;
    line-height: 1.9;
    color: var(--ink);
  }
  .page-wrap {
    max-width: 1180px;
    margin: 0 auto;
    padding: 40px 24px 100px;
  }