@charset "UTF-8";
/* ============================================================
   旅っくす 会社概要ページ CSS
   対象: /corporate/outline/ (#tbx-corporate-outline)
   設置: /corporate/css/tbx-corporate-outline.css

   【テーマとの干渉対策】
   1. すべてのセレクタを #tbx-corporate-outline 起点で記述
      → IDの詳細度で、テーマ側CSSより優先・外部へは一切影響しない
   2. クラス名はすべて tco- 接頭辞（テーマの .row / .container / .static 等と衝突しない）
   3. CSS変数は :root ではなくスコープID上に --tco- 接頭辞で定義（グローバル汚染なし）
   4. テーマは html{font-size:62.5%} 前提のため、rem は使わず px で指定
   5. !important は使用しない
   ============================================================ */

/* ---------- 変数・ベース ---------- */
#tbx-corporate-outline {
  --tco-accent: #f03c3c;     /* 旅っくすレッド（テーマのロゴ色に合わせています） */
  --tco-text: #222222;
  --tco-text-sub: #5f5f5f;
  --tco-border: #e6e6e6;
  --tco-bg-sub: #f9f9f9;
  --tco-link: #005fbf;
  --tco-anchor-offset: 90px; /* 固定ヘッダーがある場合のページ内リンク位置調整 */

  display: block;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 16px 64px;
  box-sizing: border-box;
  color: var(--tco-text);
  font-size: 15px;
  line-height: 1.8;
  text-align: left;
}

#tbx-corporate-outline *,
#tbx-corporate-outline *::before,
#tbx-corporate-outline *::after {
  box-sizing: border-box;
}

#tbx-corporate-outline a {
  color: var(--tco-link);
  text-decoration: underline;
}

#tbx-corporate-outline a:hover {
  text-decoration: none;
}

/* テーマ側のリスト・余白指定を打ち消し */
#tbx-corporate-outline ul,
#tbx-corporate-outline ol,
#tbx-corporate-outline dl,
#tbx-corporate-outline dd,
#tbx-corporate-outline p {
  margin: 0;
  padding: 0;
}

#tbx-corporate-outline ul,
#tbx-corporate-outline ol,
#tbx-corporate-outline li {
  list-style: none;
}

/* ---------- パンくず ---------- */
#tbx-corporate-outline .tco-breadcrumb {
  padding: 12px 0;
  font-size: 12px;
}

#tbx-corporate-outline .tco-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

#tbx-corporate-outline .tco-breadcrumb__item + .tco-breadcrumb__item::before {
  content: "›";
  margin-right: 4px;
  color: var(--tco-text-sub);
}

#tbx-corporate-outline .tco-breadcrumb__item a {
  color: var(--tco-text-sub);
}

/* ---------- ページ見出し ---------- */
#tbx-corporate-outline .tco-head {
  padding: 24px 0 32px;
  text-align: center;
}

#tbx-corporate-outline .tco-head__en {
  color: var(--tco-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

#tbx-corporate-outline .tco-head__title {
  margin: 4px 0 16px;
  padding: 0;
  border: 0;
  background: none;
  color: var(--tco-text);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
}

#tbx-corporate-outline .tco-head__lead {
  font-size: 14px;
  text-align: left;
}

/* ---------- ページ内ナビ ---------- */
#tbx-corporate-outline .tco-toc {
  margin-bottom: 40px;
}

#tbx-corporate-outline .tco-toc__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

#tbx-corporate-outline .tco-toc__link {
  display: block;
  padding: 10px 8px;
  border: 1px solid var(--tco-border);
  border-radius: 4px;
  background: #fff;
  color: var(--tco-text);
  font-size: 13px;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  transition: border-color .2s, color .2s;
}

/* 選択中のタブ（JSで1つだけに付与） */
#tbx-corporate-outline .tco-toc__link.is-current {
  border-color: var(--tco-accent);
  color: var(--tco-accent);
}

/* マウス操作の端末だけホバー表示（スマホでタップ後に赤色が残るのを防ぐ） */
@media (hover: hover) and (pointer: fine) {
  #tbx-corporate-outline .tco-toc__link:hover {
    border-color: var(--tco-accent);
    color: var(--tco-accent);
  }
}

/* タップ後のハイライト・フォーカス枠を出さない（キーボード操作時の枠は残す） */
#tbx-corporate-outline .tco-toc__link {
  -webkit-tap-highlight-color: transparent;
}
#tbx-corporate-outline .tco-toc__link:focus:not(:focus-visible) {
  outline: none;
}

/* ---------- セクション ---------- */
#tbx-corporate-outline .tco-section {
  margin-bottom: 56px;
  scroll-margin-top: var(--tco-anchor-offset);
}

#tbx-corporate-outline .tco-section__title {
  margin: 0 0 20px;
  padding: 0 0 12px;
  border: 0;
  border-bottom: 2px solid var(--tco-accent);
  background: none;
  color: var(--tco-text);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
}

#tbx-corporate-outline .tco-section__title--sm {
  font-size: 17px;
}

#tbx-corporate-outline .tco-section__label {
  display: block;
  color: var(--tco-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

/* ---------- 表（会社概要・登録票） ---------- */
#tbx-corporate-outline .tco-table {
  width: 100%;
  margin: 0;
  border-collapse: collapse;
  border-spacing: 0;
  border-top: 1px solid var(--tco-border);
  background: #fff;
  font-size: 14px;
}

#tbx-corporate-outline .tco-table,
#tbx-corporate-outline .tco-table tbody,
#tbx-corporate-outline .tco-table tr {
  display: block;       /* スマホは縦積み */
}

#tbx-corporate-outline .tco-table th,
#tbx-corporate-outline .tco-table td {
  display: block;
  width: auto;
  border: 0;
  text-align: left;
  vertical-align: top;
}

#tbx-corporate-outline .tco-table th {
  padding: 12px 12px 4px;
  background: var(--tco-bg-sub);
  color: var(--tco-text);
  font-weight: 700;
  white-space: normal;
}

#tbx-corporate-outline .tco-table td {
  padding: 8px 12px 14px;
  border-bottom: 1px solid var(--tco-border);
}

/* ---------- 沿革：前身各社の系譜 ---------- */
#tbx-corporate-outline .tco-history__caption {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
}

#tbx-corporate-outline .tco-lineage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 32px;
}

#tbx-corporate-outline .tco-lineage__item {
  padding: 16px;
  border: 1px solid var(--tco-border);
  border-top: 3px solid var(--tco-accent);
  border-radius: 4px;
  background: #fff;
}

#tbx-corporate-outline .tco-lineage__year {
  color: var(--tco-accent);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
}

#tbx-corporate-outline .tco-lineage__year span,
#tbx-corporate-outline .tco-timeline__year span {
  margin-left: 2px;
  color: var(--tco-text-sub);
  font-size: 12px;
  font-weight: 400;
}

#tbx-corporate-outline .tco-lineage__title {
  margin: 4px 0 8px;
  font-weight: 700;
}

#tbx-corporate-outline .tco-lineage__events {
  border-top: 1px dashed var(--tco-border);
  padding-top: 8px;
  font-size: 13px;
}

#tbx-corporate-outline .tco-lineage__event {
  display: flex;
  gap: 8px;
}

#tbx-corporate-outline .tco-lineage__event dt {
  flex: 0 0 auto;
  margin: 0;
  font-weight: 700;
}

/* ---------- 沿革：グループの出来事 ---------- */
#tbx-corporate-outline .tco-timeline {
  position: relative;
  padding-left: 20px;
}

#tbx-corporate-outline .tco-timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 5px;
  width: 2px;
  background: var(--tco-border);
}

#tbx-corporate-outline .tco-timeline__item {
  position: relative;
  padding-bottom: 20px;
}

#tbx-corporate-outline .tco-timeline__item::before {
  content: "";
  position: absolute;
  top: 7px;
  left: -20px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--tco-accent);
}

#tbx-corporate-outline .tco-timeline__year {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
}

#tbx-corporate-outline .tco-timeline__body li {
  position: relative;
  padding-left: 1em;
  font-size: 14px;
}

#tbx-corporate-outline .tco-timeline__body li::before {
  content: "・";
  position: absolute;
  left: 0;
}

#tbx-corporate-outline .tco-foot {
  padding-top: 24px;
  border-top: 1px solid var(--tco-border);
  font-size: 13px;
}

#tbx-corporate-outline .tco-foot__updated {
  margin-bottom: 8px;
  color: var(--tco-text-sub);
}

/* ============================================================
   タブレット以上（768px〜）
   ============================================================ */
@media (min-width: 768px) {

  #tbx-corporate-outline {
    padding: 0 24px 80px;
  }

  #tbx-corporate-outline .tco-head__title {
    font-size: 32px;
  }

  #tbx-corporate-outline .tco-head__lead {
    font-size: 15px;
    text-align: center;
  }

  #tbx-corporate-outline .tco-toc__list {
    grid-template-columns: repeat(3, 1fr);
  }

  #tbx-corporate-outline .tco-section__title {
    font-size: 22px;
  }

  /* 表を横並びに */
  #tbx-corporate-outline .tco-table { display: table; }

  #tbx-corporate-outline .tco-table tbody { display: table-row-group; }

  #tbx-corporate-outline .tco-table tr { display: table-row; }

  #tbx-corporate-outline .tco-table th,
  #tbx-corporate-outline .tco-table td {
    display: table-cell;
    padding: 16px 20px;
    border-bottom: 1px solid var(--tco-border);
  }

  #tbx-corporate-outline .tco-table th {
    width: 220px;
  }

  #tbx-corporate-outline .tco-lineage {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ============================================================
   PC（1024px〜）
   ============================================================ */
@media (min-width: 1024px) {

  #tbx-corporate-outline .tco-lineage {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {

  #tbx-corporate-outline * {
    transition: none;
  }
}