/* bbq-booking-v1 スタイル (DESIGN.md §9、モバイルファースト) */

:root {
  --color-primary: #1f2a44;   /* ネイビー */
  --color-accent: #fcc419;    /* ブランド黄色 */
  --color-cta: #e88a4a;       /* CTA橙 */
  --color-cta-dark: #d2743a;
  --color-text: #1a1a1a;
  --color-text-muted: #6a6a6a;
  --color-background: #ffffff;
  --color-surface: #faf6ea;
  --color-success: #2d8659;
  --color-error: #c63333;
  --color-border: #e5e5e5;
  --radius: 12px;
  --tap: 44px;
  --max-width: 720px;
  --shadow: 0 2px 12px rgba(31, 42, 68, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  color: var(--color-text);
  background: var(--color-surface);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--color-cta-dark); }

/* --- ヘッダー --- */
.site-header {
  background: var(--color-primary);
  color: #fff;
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.brand { text-decoration: none; color: #fff; display: flex; flex-direction: column; }
.brand-mark { font-size: 18px; font-weight: 700; letter-spacing: 0.04em; }
.brand-mark::before { content: "🔥 "; }
.brand-sub { font-size: 12px; color: var(--color-accent); }

/* --- メイン --- */
.site-main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px;
  padding-bottom: 96px; /* sticky price bar + LINE ボタンの余白 */
}

h1 { font-size: 22px; color: var(--color-primary); margin: 0.5em 0; }
h2 { font-size: 18px; color: var(--color-primary); margin: 1.2em 0 0.5em; border-left: 4px solid var(--color-accent); padding-left: 10px; }
h3 { font-size: 16px; margin: 0.8em 0 0.3em; }
p { margin: 0.5em 0; }

/* --- ボタン --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.05s;
}
.btn:active { transform: scale(0.98); }
.btn-cta {
  background: var(--color-cta);
  color: #fff;
  width: 100%;
}
.btn-cta:hover { background: var(--color-cta-dark); }
.btn-cta:disabled { background: #ccc; cursor: not-allowed; }
.btn-secondary {
  background: #fff;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}
.btn-row { display: flex; gap: 12px; margin-top: 16px; }
.btn-row .btn { flex: 1; }

/* --- カード --- */
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin: 12px 0;
}

/* --- ヒーロー (トップ) --- */
.hero {
  background: linear-gradient(135deg, var(--color-primary), #2f3f64);
  color: #fff;
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
}
.hero h1 { color: #fff; font-size: 26px; }
.hero p { color: #e8ecf4; }
.hero .btn-cta { margin-top: 16px; max-width: 320px; }

/* --- 料金早見表 --- */
.price-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.price-table th, .price-table td { padding: 10px 8px; text-align: left; border-bottom: 1px solid var(--color-border); }
.price-table th { background: var(--color-surface); color: var(--color-primary); }

/* --- 進捗バー --- */
.progress {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  padding: 12px 16px 0;
  gap: 6px;
}
.progress-step {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--color-border);
}
.progress-step.done { background: var(--color-accent); }
.progress-step.active { background: var(--color-cta); }

/* --- カレンダー --- */
.cal-header { display: flex; align-items: center; justify-content: space-between; margin: 12px 0; }
.cal-nav-btn { min-width: var(--tap); min-height: var(--tap); border-radius: var(--radius); border: 1px solid var(--color-border); background: #fff; font-size: 18px; cursor: pointer; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-dow { text-align: center; font-size: 12px; color: var(--color-text-muted); padding: 4px 0; }
.cal-cell {
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  border: 1px solid var(--color-border);
  cursor: pointer;
  background: #fff;
}
.cal-cell.empty { border: none; background: transparent; cursor: default; }
.cal-cell .cal-day { font-weight: 600; }
.cal-cell .cal-mark { font-size: 16px; line-height: 1; margin-top: 2px; }
.cal-cell.available { border-color: var(--color-success); }
.cal-cell.available .cal-mark { color: var(--color-success); }
.cal-cell.few .cal-mark { color: var(--color-cta); }
.cal-cell.full, .cal-cell.closed, .cal-cell.past, .cal-cell.cutoff {
  background: #f3f3f3; color: #bbb; cursor: not-allowed; border-color: #eee;
}
.cal-legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; margin-top: 12px; color: var(--color-text-muted); }
.cal-legend span::before { margin-right: 3px; }

/* --- プラン選択 --- */
.plan-grid { display: flex; flex-direction: column; gap: 12px; }
.plan-card { border: 2px solid var(--color-border); border-radius: var(--radius); padding: 16px; cursor: pointer; background: #fff; }
.plan-card.selected { border-color: var(--color-cta); background: #fff8f2; }
.plan-card h3 { margin: 0; color: var(--color-primary); }
.plan-time { font-size: 13px; color: var(--color-text-muted); }
.plan-price { font-size: 18px; font-weight: 700; color: var(--color-cta-dark); margin-top: 6px; }
.timeline { display: flex; height: 30px; border-radius: 6px; overflow: hidden; margin: 10px 0; font-size: 11px; }
.timeline-seg {
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  white-space: nowrap;          /* 文字の改行を防ぐ (南さん指摘 2026-05-29) */
  overflow: hidden;
  text-overflow: ellipsis;
  padding: 0 4px;
  min-width: 0;
}
.timeline-seg.use { background: var(--color-cta); }
.timeline-seg.clean { background: #b0b0b0; }
.timeline-seg.idle { background: #e5e5e5; color: #888; }

/* --- 時間選択 (plans.html) --- */
.time-row { display: flex; gap: 8px; align-items: end; }
.time-col { flex: 1; }
.time-col label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 4px; color: var(--color-text-muted); }
.time-col select { width: 100%; padding: 10px; border-radius: 8px; border: 1.5px solid var(--color-border); font-size: 16px; background: #fff; }
.time-sep { padding-bottom: 10px; font-size: 18px; color: var(--color-text-muted); }
.time-hint { font-size: 13px; color: var(--color-text-muted); margin-top: 6px; }
.time-error { font-size: 13px; color: var(--color-error); margin-top: 6px; }

/* --- LINE 環境バナー (admin、Phase 2 セーフガード ③) --- */
.env-banner {
  border-radius: 10px;
  padding: 12px 16px;
  margin: 12px 0 20px;
  font-size: 13px;
  border: 2px solid;
}
.env-banner.env-development { background: #f0fdf4; border-color: #16a34a; color: #14532d; }
.env-banner.env-staging { background: #fef9c3; border-color: #ca8a04; color: #713f12; }
.env-banner.env-production { background: #fee2e2; border-color: #dc2626; color: #7f1d1d; }
.env-banner-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.env-badge {
  display: inline-block; padding: 4px 10px; border-radius: 999px;
  font-weight: 700; font-size: 12px;
}
.env-badge-development { background: #16a34a; color: #fff; }
.env-badge-staging { background: #ca8a04; color: #fff; }
.env-badge-production { background: #dc2626; color: #fff; }
.env-mode { font-size: 13px; }
.env-flag {
  display: inline-block; background: #1f2937; color: #fff;
  padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 700;
}
.env-warning { margin-top: 8px; padding: 8px 12px; background: #fef2f2; border-radius: 6px; font-weight: 600; }
.env-info { margin-top: 8px; padding: 8px 12px; background: #eff6ff; border-radius: 6px; }

/* --- 人数3欄 (booking_form.html) --- */
.guest-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
.guest-col { display: flex; flex-direction: column; }
.guest-label { font-size: 12px; color: var(--color-text-muted); font-weight: 600; margin-bottom: 4px; }
.guest-col input[type="number"] { padding: 12px; font-size: 16px; border: 1.5px solid var(--color-border); border-radius: 8px; text-align: center; }
.guest-total { font-size: 14px; font-weight: 600; margin-top: 8px; color: var(--color-primary); }
.guest-total.over { color: var(--color-error); }

/* --- オプション --- */
.opt-card { display: flex; gap: 12px; align-items: center; }
.opt-img { width: 72px; height: 72px; border-radius: 8px; background: var(--color-surface); flex-shrink: 0; overflow: hidden; }
.opt-photo { width: 100%; height: 100%; object-fit: cover; display: block; }
/* カテゴリ別アイコン (写真未配置時のフォールバック、塗りの優しい系、2026-06-12) */
.opt-icon { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; border-radius: 8px; }
.opt-icon svg { width: 40px; height: 40px; }
.ic-grill { background: #fdeee6; color: #e8743b; }
.ic-beer  { background: #fbf2dd; color: #c98a1b; }
.ic-pool  { background: #e7f0fa; color: #3b82c4; }
.ic-dish  { background: #e6f4ec; color: #3a9b6e; }
.ic-trash { background: #eef0f2; color: #6b7280; }
.ic-default { background: var(--color-surface); color: var(--color-text-muted); }
.opt-body { flex: 1; }
.opt-name { font-weight: 600; }
.opt-desc { font-size: 12px; color: var(--color-text-muted); }
.opt-price { font-weight: 700; color: var(--color-cta-dark); }
.qty-control { display: flex; align-items: center; gap: 8px; }
.qty-btn { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--color-border); background: #fff; font-size: 18px; cursor: pointer; }

/* --- フォーム --- */
.form-field { margin: 14px 0; }
.form-field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.form-field .req { color: var(--color-error); font-size: 12px; margin-left: 4px; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; padding: 12px; font-size: 16px; border: 1.5px solid var(--color-border);
  border-radius: 8px; background: #fff;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none; border-color: var(--color-cta);
}
.field-error { color: var(--color-error); font-size: 13px; margin-top: 4px; }
.checkbox-field { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; }
.checkbox-field input { width: auto; margin-top: 3px; }

/* --- sticky 金額バー --- */
.price-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #fff;
  border-top: 1.5px solid var(--color-border);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.06);
  z-index: 40;
}
.price-bar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.price-bar-amount { flex: 1; }
.price-bar-amount .label { font-size: 12px; color: var(--color-text-muted); }
.price-bar-amount .total { font-size: 22px; font-weight: 700; color: var(--color-primary); }
.price-bar .btn-cta { width: auto; flex-shrink: 0; }
.price-breakdown { font-size: 12px; color: var(--color-text-muted); }
.price-breakdown .discount { color: var(--color-success); }

/* --- 確認・完了 --- */
.summary-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--color-border); }
.summary-row .label { color: var(--color-text-muted); }
.done-code { font-size: 28px; font-weight: 700; color: var(--color-cta-dark); text-align: center; letter-spacing: 0.04em; margin: 12px 0; }
.done-icon { font-size: 48px; text-align: center; }

/* --- LINE 相談ボタン (フローティング) --- */
.line-consult {
  position: fixed;
  right: 14px;
  bottom: 78px;
  background: #06c755;
  color: #fff;
  border-radius: 999px;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  box-shadow: var(--shadow);
  z-index: 45;
  font-size: 13px;
}
.line-consult-icon { font-weight: 700; }

/* --- フッター --- */
.site-footer { background: var(--color-primary); color: #cdd5e5; padding: 20px 16px; margin-top: 32px; }
.footer-nav { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.footer-nav a { color: var(--color-accent); text-decoration: none; font-size: 13px; }
.footer-copy { text-align: center; font-size: 12px; margin-top: 12px; }

/* --- ユーティリティ --- */
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.badge { display: inline-block; background: var(--color-accent); color: var(--color-primary); font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px; }

/* --- PC 表示の微調整 --- */
@media (min-width: 768px) {
  .plan-grid { flex-direction: row; }
  .plan-grid .plan-card { flex: 1; }
}