/* =========================================================
   谷塚斎場 空き状況ページ 共通スタイル
   ========================================================= */
:root {
  /* コーポレートカラー: FAXツール (Material Indigo + 斎場ブランド濃紺) に統一 (2026-05-10) */
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-alt: #f3f4fb;            /* FAXツール .filters bg と同系 */
  --border: #e3e8ef;
  --border-soft: #eef1f6;
  --ink: #0f1e3d;
  --ink-muted: #4a5878;
  --ink-soft: #8a93a8;
  --primary: #3F51B5;                /* Material Indigo 500 (FAXツール アクセント) */
  --primary-deep: #014099;            /* 斎場ブランド濃紺 (FAXツール ヘッダー) */
  --primary-hover: #3849A2;          /* Indigo 600 (FAXツール ホバー) */
  --primary-soft: #E4E7F6;           /* Indigo 50 系 (FAXツール 淡い面) */
  --primary-soft-2: #F3F4FB;         /* さらに淡い (FAXツール 補助) */
  --table-border: #d0d4dc;
  --cell-avail-fg: #3F51B5;          /* 〇の色も Material Indigo に統一 */
  --cell-reserved-bg: #e8e8e8;
  --cell-reserved-fg: #d14848;
  --cell-closed-bg: #ededed;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN",
               "Yu Gothic", "Meiryo", system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
button { font-family: inherit; }

.dd-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border-soft);
  padding: 18px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.dd-header__logo { height: 34px; width: auto; }
.dd-header__meta { font-size: 12px; color: var(--ink-soft); }

.dd-page { padding: 28px 32px 40px; }
.dd-page__inner { max-width: 1200px; margin: 0 auto; }

.dd-title-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 32px;
  flex-wrap: wrap;
}
.dd-title-h1 {
  font-size: 30px;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.dd-rank-seg {
  display: inline-flex;
  padding: 4px;
  background: var(--surface-alt);
  border-radius: 8px;
  border: 1px solid var(--border-soft);
  margin-bottom: 10px;
}
.dd-rank-seg__btn {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 6px;
  color: var(--ink-muted);
  transition: all 0.15s;
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.dd-rank-seg__btn.is-active {
  background: var(--surface);
  color: var(--primary-deep);
  box-shadow: 0 1px 3px rgba(15, 30, 61, 0.08);
}

.dd-card {
  background: var(--surface);
  border-radius: 12px;
  border: 1px solid var(--border-soft);
  padding: 22px 24px 20px;
}
.dd-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}
.dd-card__title { font-size: 15px; font-weight: 600; color: var(--ink); }

.dd-week-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 4px;
}
.dd-week-nav__btn {
  width: 34px; height: 34px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
  font-weight: 500;
}
.dd-week-nav__btn svg {
  width: 18px; height: 18px; display: block;
  fill: none; stroke: currentColor;
  stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round;
}
.dd-week-nav__btn:hover:not(:disabled) {
  background: var(--primary-soft); border-color: #c9d6ee; color: var(--primary);
}
.dd-week-nav__btn:disabled { opacity: 0.35; cursor: not-allowed; }
.dd-week-nav__date {
  padding: 8px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px; font-weight: 600; color: var(--ink); white-space: nowrap;
}

.dd-grid-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.dd-grid {
  display: grid; gap: 0;
  border: 1px solid var(--table-border);
  border-radius: 4px; overflow: hidden;
  background: var(--surface);
}
.dd-grid > * { border-right: 1px solid var(--table-border); border-bottom: 1px solid var(--table-border); }
.dd-grid--8col > *:nth-child(8n) { border-right: none; }

.dd-day-head { padding: 12px 4px; text-align: center; }
.dd-day-head__label { font-size: 18px; font-weight: 600; color: var(--ink); }
.dd-day-head__label.is-sat { color: var(--primary); }
.dd-day-head__label.is-sun,
.dd-day-head__label.is-holiday { color: #b76565; }
.dd-day-head__date { font-size: 20px; color: var(--ink); margin-top: 4px; font-weight: 600; letter-spacing: -0.01em; }
.dd-day-head__rokuyo { font-size: 15px; color: var(--ink-soft); margin-top: 5px; font-weight: 500; }
.dd-day-head__rokuyo.is-tomobiki { color: #5ba876; font-weight: 600; }

.dd-row-head {
  display: flex; align-items: center; justify-content: center;
  padding: 8px 8px; font-size: 18px; font-weight: 600;
  color: var(--ink); background: var(--surface); text-align: center;
}

.dd-slot {
  height: 72px; display: flex; align-items: center; justify-content: center;
  font-family: inherit; font-size: 34px; font-weight: 600; line-height: 1;
}
.dd-slot--available { background: var(--surface); color: var(--cell-avail-fg); }
.dd-slot--reserved  { background: var(--cell-reserved-bg); color: var(--cell-reserved-fg); }
.dd-slot--closed    { background: var(--cell-closed-bg); color: #808080; }

.dd-legend {
  display: flex; gap: 16px; justify-content: flex-end; align-items: center;
  margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--border-soft);
  font-size: 11.5px; color: var(--ink-muted);
}
.dd-legend__mark { font-size: 14px; font-weight: 500; margin-right: 4px; display: inline-block; vertical-align: middle; line-height: 1; }
.dd-legend__mark--avail { color: var(--primary); }
.dd-legend__mark--full  { color: var(--cell-reserved-fg); }

/* ---------- Info notice (タイトル下の注意書き) ----------
   優しめのマテリアルデザイン: 淡いインディゴ面 + 左ボーダー + 円形アイコン + 軽い影
   (2026-05-10 で濃紺グラデから刷新。FAXツールのカラーに合わせて Material Indigo 系に統一) */
.dd-info-notice {
  margin-bottom: 16px;
  padding: 16px 20px;
  background: var(--primary-soft-2);
  border-radius: 8px;
  border-left: 4px solid var(--primary);
  color: var(--ink);
  display: grid;
  grid-template-columns: 36px 1fr;
  column-gap: 14px;
  align-items: start;
  box-shadow:
    0 1px 2px rgba(63, 81, 181, 0.04),
    0 2px 6px rgba(15, 30, 61, 0.04);
}
.dd-info-notice::before {
  content: 'i';
  grid-row: 1 / span 2;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-family: "Times New Roman", serif;
  font-style: italic;
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.dd-info-notice strong {
  display: block;
  font-size: clamp(13px, 1.5vw, 16px);
  font-weight: 600;
  color: var(--primary-deep);
  margin-bottom: 4px;
  letter-spacing: 0.01em;
  line-height: 1.55;
}
.dd-info-notice span {
  display: block;
  font-size: clamp(11px, 1.3vw, 13.5px);
  color: var(--ink-muted);
  line-height: 1.7;
}

.dd-notice {
  margin-top: 14px; padding: 12px 14px;
  background: var(--surface-alt); border-left: 3px solid var(--border);
  border-radius: 4px; font-size: 12.5px; color: var(--ink-muted); line-height: 1.75;
}
.dd-notice__label { font-size: 11px; font-weight: 600; color: var(--ink-soft); letter-spacing: 0.08em; margin-bottom: 4px; }
.dd-notice__line { margin: 0; white-space: nowrap; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .dd-header { padding: 14px 20px; }
  .dd-header__meta { display: none; }
  .dd-page { padding: 20px 20px 32px; }
  .dd-title-h1 { font-size: 24px; }
  .dd-slot { height: 60px; font-size: 26px; }
  .dd-day-head__label { font-size: 16px; }
  .dd-day-head__date { font-size: 17px; }
  .dd-row-head { font-size: 16px; }
  .dd-row-head--room { font-size: 14px; line-height: 1.3; }
}
@media (max-width: 640px) {
  .dd-header { padding: 10px 12px; }
  .dd-page { padding: 12px 8px 20px; }
  .dd-title-h1 { font-size: 19px; }
  .dd-title-row { margin-bottom: 12px; gap: 10px; }
  .dd-card { padding: 10px 6px 8px; }
  .dd-card__header { margin-bottom: 10px; gap: 6px; }
  .dd-week-nav { gap: 4px; }
  .dd-week-nav__date { padding: 5px 8px; font-size: 11px; }
  .dd-week-nav__btn { width: 28px; height: 28px; }
  .dd-week-nav__btn svg { width: 15px; height: 15px; }
  .dd-rank-seg { width: 100%; padding: 3px; }
  .dd-rank-seg__btn { flex: 1; padding: 8px 4px; font-size: 12px; }
  .dd-grid-wrap { overflow-x: visible; }
  .dd-grid { min-width: 0; }
  .dd-grid--8col { grid-template-columns: 72px repeat(7, 1fr) !important; }
  .dd-slot { height: 44px; font-size: 18px; }
  .dd-day-head { padding: 6px 1px; }
  .dd-day-head__label { font-size: 13px; }
  .dd-day-head__date { font-size: 14px; margin-top: 2px; font-weight: 600; }
  .dd-day-head__rokuyo { font-size: 11.5px; margin-top: 3px; }
  .dd-row-head { font-size: 13px; padding: 4px 2px; justify-content: center; text-align: center; }
  .dd-row-head--room { padding: 4px 3px; font-size: 12px; line-height: 1.25; }
  .dd-legend { gap: 10px; font-size: 11px; }
  .dd-info-notice {
    padding: 12px 14px;
    grid-template-columns: 28px 1fr;
    column-gap: 10px;
    border-left-width: 3px;
  }
  .dd-info-notice::before {
    width: 26px; height: 26px; font-size: 16px;
  }
  .dd-info-notice strong { font-size: 13px; margin-bottom: 4px; line-height: 1.5; }
  .dd-info-notice span { font-size: 11.5px; line-height: 1.65; }
  .dd-notice { padding: 10px 12px; font-size: 11px; }
  .dd-notice__line { font-size: 11px; letter-spacing: -0.01em; }
}