@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&display=swap');

/* ベース */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

:root {
  --color-primary:      #2b5e4a;
  --color-primary-dark: #1e4334;
  --color-primary-light:#e8f0ec;
  --color-accent:       #4a9e7a;
  --color-bg:           #f6f7f5;
  --color-surface:      #ffffff;
  --color-border:       #dde4df;
  --color-border-light: #edf0ee;
  --color-text:         #1c2b24;
  --color-text-muted:   #637368;
  --color-error:        #b33a2e;
  --color-success:      #2b7a4a;
  --color-available:    #e4f1ea;
  --color-available-hover: #cce5d5;
  --color-unavailable:  #efefef;
  --color-waitlist:     #fdf3e3;
  --color-waitlist-hover:#fae5c0;
  --radius:   6px;
  --radius-lg: 10px;
  --shadow:   0 1px 4px rgba(0,0,0,0.07), 0 4px 16px rgba(0,0,0,0.04);
}

body {
  font-family: 'Noto Sans JP', 'Hiragino Sans', 'Meiryo', sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
  font-size: 15px;
}

/* ヘッダー */
.site-header {
  background: var(--color-surface);
  border-bottom: 3px solid var(--color-primary);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
}
.site-header h1 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}
.back-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 4px;
}
.back-link::before { content: '←'; }
.back-link:hover { color: var(--color-primary); }

/* フッター */
.site-footer {
  text-align: center;
  padding: 28px 16px;
  border-top: 1px solid var(--color-border);
  margin-top: 48px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
}
.site-footer a {
  color: var(--color-primary);
  text-decoration: none;
}
.site-footer a:hover { text-decoration: underline; }

/* メインコンテンツ */
main { max-width: 880px; margin: 0 auto; padding: 32px 20px 48px; }

/* セクション見出し */
.section-heading {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  border-left: 3px solid var(--color-accent);
  padding-left: 10px;
  margin-bottom: 20px;
}

/* 施設カード一覧 */
.facility-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}
.facility-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s, transform 0.2s;
}
.facility-card:hover {
  box-shadow: 0 4px 20px rgba(43,94,74,0.13);
  transform: translateY(-2px);
}
.facility-card-body { padding: 20px; flex: 1; }
.facility-card-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}
.facility-card-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.facility-card-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}
.facility-card-footer {
  padding: 12px 20px;
  background: var(--color-primary-light);
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.facility-card-footer::after { content: '→'; }

/* 施設詳細 */
.facility-detail {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}
.facility-detail h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-text);
}
.facility-detail-meta {
  color: var(--color-text-muted);
  font-size: 0.88rem;
  margin-bottom: 10px;
}
.facility-detail-desc { color: var(--color-text); font-size: 0.92rem; }

/* 空き枠セクション */
.availability-section {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}
.availability-section h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border-light);
}

/* 週ナビゲーション */
.week-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.week-label {
  flex: 1;
  text-align: center;
  font-weight: 700;
  font-size: 0.92rem;
  min-width: 160px;
  color: var(--color-text);
}
.btn-week-nav {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 0.82rem;
  cursor: pointer;
  color: var(--color-text-muted);
  white-space: nowrap;
  transition: all 0.15s;
  font-family: inherit;
}
.btn-week-nav:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.btn-today {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-today:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

/* 週グリッド */
.week-grid-wrap { overflow-x: auto; }
.week-grid {
  display: grid;
  min-width: 480px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.wg-header {
  background: var(--color-bg);
  padding: 8px 4px;
  text-align: center;
  border-bottom: 2px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.wg-header.wg-time-col { border-right: 2px solid var(--color-border); }
.wg-header.wg-today { background: var(--color-primary-light); }
.wg-day-name {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}
.wg-day-num { font-size: 0.82rem; font-weight: 600; }
.wg-time {
  background: var(--color-bg);
  border-right: 2px solid var(--color-border);
  border-bottom: 1px solid var(--color-border-light);
  padding: 6px 4px;
  text-align: center;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
}
.wg-cell {
  border-right: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  transition: background 0.12s;
}
.wg-cell.wg-available {
  background: var(--color-available);
  cursor: pointer;
}
.wg-cell.wg-available:hover { background: var(--color-available-hover); }
.wg-cell.wg-selected {
  background: var(--color-primary) !important;
  color: #fff;
  font-weight: 700;
}
.wg-cell.wg-unavailable {
  background: var(--color-unavailable);
  color: #c0c0c0;
  cursor: default;
}
.wg-cell.wg-closed { background: #fafafa; }
.wg-cell.awm-slot--waitlist {
  cursor: pointer;
  background: var(--color-waitlist);
  color: #b07a30;
  font-size: 0.65rem;
}
.wg-cell.awm-slot--waitlist:hover { background: var(--color-waitlist-hover); }
.wg-cell.awm-slot--waitlist.wg-selected {
  background: #c87d20 !important;
  color: #fff;
  font-weight: 700;
}

.date-picker-wrap {
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.date-picker-wrap label { font-weight: 600; font-size: 0.88rem; }
.date-picker-wrap input[type="date"] {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--color-surface);
}
.date-picker-wrap input[type="date"]:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* 選択サマリー */
.selection-summary {
  margin-top: 20px;
  padding: 16px 20px;
  background: var(--color-primary);
  border-radius: var(--radius);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.selection-times { flex: 1; min-width: 0; font-weight: 500; font-size: 0.88rem; }
.selection-price {
  flex-shrink: 0;
  white-space: nowrap;
  font-weight: 700;
  font-size: 1rem;
  padding: 0 16px;
}
.selection-summary .btn-primary { flex-shrink: 0; white-space: nowrap; }

/* 予約フォーム・確認 */
.form-section {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}
.form-section h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 22px;
}
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 6px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}
.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--color-surface);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(74,158,122,0.12);
}
.required {
  color: var(--color-error);
  font-size: 0.72rem;
  margin-left: 4px;
  font-weight: 400;
}

/* 予約サマリー（フォーム上部） */
.booking-summary {
  background: var(--color-primary-light);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 24px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
}
.booking-summary strong { color: var(--color-text); }

/* 確認テーブル */
.confirm-table { margin-bottom: 24px; }
.confirm-table dl {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.confirm-table dt,
.confirm-table dd {
  padding: 12px 16px;
  font-size: 0.88rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
}
.confirm-table dt {
  background: var(--color-bg);
  font-weight: 700;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

/* 予約完了 */
.complete-section {
  text-align: center;
  padding: 48px 28px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}
.complete-icon {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 2rem;
  line-height: 68px;
  margin: 0 auto 20px;
}
.complete-section h2 {
  font-size: 1.4rem;
  margin-bottom: 10px;
  font-weight: 700;
}
.complete-section p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  font-size: 0.92rem;
}
.complete-detail {
  display: inline-block;
  text-align: left;
  margin: 20px auto;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 28px;
}
.complete-detail dt { font-size: 0.78rem; color: var(--color-text-muted); margin-bottom: 2px; }
.complete-detail dd {
  font-size: 1rem;
  font-weight: 700;
  font-family: 'Courier New', monospace;
  color: var(--color-primary);
}
.note { font-size: 0.82rem; color: var(--color-text-muted); }

/* ボタン */
.btn-primary,
.btn-secondary,
.btn-danger {
  display: inline-block;
  padding: 11px 28px;
  border-radius: var(--radius);
  font-size: 0.92rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s;
  letter-spacing: 0.03em;
  font-family: inherit;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-danger { background: var(--color-error); color: #fff; }
.btn-danger:hover { opacity: 0.88; }
.btn-row {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-top: 4px;
}

/* 予約照会フォーム */
.lookup-form-wrap {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  max-width: 480px;
  margin: 0 auto 28px;
}
.lookup-form-wrap h2 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 22px;
}

/* メッセージ */
.loading {
  color: var(--color-text-muted);
  padding: 48px;
  text-align: center;
  font-size: 0.9rem;
}
.error-msg {
  color: var(--color-error);
  font-size: 0.88rem;
  margin-bottom: 12px;
  background: #fdf0ef;
  border: 1px solid #f5c5c2;
  border-radius: var(--radius);
  padding: 10px 14px;
}
.success-msg {
  color: var(--color-success);
  font-size: 0.88rem;
  font-weight: 600;
}
.empty-msg {
  color: var(--color-text-muted);
  text-align: center;
  padding: 48px;
  font-size: 0.9rem;
}

/* キャンセル待ち注意書き */
.waitlist-notice {
  background: #fffbf0;
  border: 1px solid #e8d4a0;
  border-left: 3px solid #c8a830;
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.85rem;
  color: #7a5c10;
  margin-bottom: 20px;
}

/* スロットグリッド（旧）*/
.slot-grid { display: flex; flex-direction: column; gap: 8px; }
.slot-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: default;
  font-size: 0.92rem;
  transition: background 0.15s, border-color 0.15s;
}
.slot-item.available { background: var(--color-available); cursor: pointer; }
.slot-item.available:hover { background: var(--color-available-hover); }
.slot-item.available.selected {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}
.slot-item.unavailable {
  background: var(--color-unavailable);
  color: var(--color-text-muted);
}
.slot-time { min-width: 120px; font-weight: 500; }
.slot-badge {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 99px;
  letter-spacing: 0.02em;
}
.slot-item.available .slot-badge { background: var(--color-primary); color: #fff; }
.slot-item.unavailable .slot-badge { background: #d5d5d5; color: #888; }