/* ============================================================
   Mio Wedding Support — reservation.css
   予約ページ・管理ページ共通スタイル
   ============================================================ */

/* ────────────────────────────────────────────────
   0. CSS 変数（index.html の style.css と統一）
   ──────────────────────────────────────────────── */
:root {
  --color-white:      #FFFFFF;
  --color-bg:         #FDFAF5;
  --color-beige:      #F5ECD8;
  --color-beige-mid:  #E8D5B0;
  --color-gold:       #C9A96E;
  --color-gold-dark:  #A07840;
  --color-text:       #3D3025;
  --color-text-mid:   #7A6A56;
  --color-text-light: #B8A898;
  --color-border:     #E8D9C6;
  --color-section-alt:#FBF6EE;
  --color-error:      #C0392B;
  --color-error-bg:   #FDF2F2;
  --color-success:    #2E7D32;
  --color-success-bg: #F1F8F2;

  --font-serif: 'Noto Serif JP', serif;
  --font-sans:  'Noto Sans JP', sans-serif;

  --shadow-sm: 0 2px 12px rgba(160,120,64,.08);
  --shadow-md: 0 4px 24px rgba(160,120,64,.13);
  --shadow-lg: 0 8px 40px rgba(160,120,64,.18);

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition: .3s ease;
}

/* ────────────────────────────────────────────────
   1. リセット & ベース
   ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  min-height: 100svh;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img, svg { display: block; max-width: 100%; }
button { font-family: var(--font-sans); cursor: pointer; }
input, select, textarea { font-family: var(--font-sans); }

/* ────────────────────────────────────────────────
   2. ユーティリティ
   ──────────────────────────────────────────────── */
.container { max-width: 680px; margin: 0 auto; padding: 0 24px; }
.hidden { display: none !important; }
.screen { display: none; }
.screen.active { display: block; }

/* ────────────────────────────────────────────────
   3. ボタン
   ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: .04em;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition),
              box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn--primary {
  background: var(--color-gold);
  color: #fff;
  border-color: var(--color-gold);
}
.btn--primary:hover {
  background: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.btn--outline {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold);
}
.btn--outline:hover {
  background: var(--color-gold);
  color: #fff;
  transform: translateY(-2px);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text-mid);
  border-color: var(--color-border);
}
.btn--ghost:hover {
  background: var(--color-beige);
  color: var(--color-text);
}
.btn--danger {
  background: transparent;
  color: var(--color-error);
  border-color: #E0B0AD;
}
.btn--danger:hover {
  background: var(--color-error-bg);
}
.btn--sm { padding: 8px 18px; font-size: .8rem; }
.btn--full { width: 100%; }
.btn:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ────────────────────────────────────────────────
   4. ページヘッダー（共通）
   ──────────────────────────────────────────────── */
.page-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
  text-align: center;
}
.page-header__back {
  position: absolute;
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: .82rem;
  color: var(--color-text-mid);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color var(--transition);
}
.page-header__back:hover { color: var(--color-gold); }
.page-header__inner {
  position: relative;
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}
.page-header__title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: .04em;
}
.page-header__sub {
  font-size: .78rem;
  color: var(--color-text-mid);
  letter-spacing: .05em;
  margin-top: 2px;
}

/* ────────────────────────────────────────────────
   5. ステップインジケーター
   ──────────────────────────────────────────────── */
.steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 28px 0 20px;
}
.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  position: relative;
}
.step__num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-text-light);
  font-size: .8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.step__label {
  font-size: .7rem;
  color: var(--color-text-light);
  letter-spacing: .05em;
  transition: color var(--transition);
}
.step.active .step__num {
  background: var(--color-gold);
  color: #fff;
}
.step.active .step__label { color: var(--color-gold); }
.step.done .step__num {
  background: var(--color-beige-mid);
  color: var(--color-gold-dark);
}
.step.done .step__label { color: var(--color-text-mid); }
.step-line {
  width: 48px;
  height: 1px;
  background: var(--color-border);
  margin-bottom: 28px;
}

/* ────────────────────────────────────────────────
   6. フォームスタイル
   ──────────────────────────────────────────────── */
.form-section {
  padding: 0 0 60px;
}
.form-block {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.form-block__title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.form-block__title::before {
  content: '';
  display: block;
  width: 3px;
  height: 18px;
  background: var(--color-gold);
  border-radius: 2px;
  flex-shrink: 0;
}

.form-group {
  margin-bottom: 20px;
}
.form-group:last-child { margin-bottom: 0; }

label.form-label {
  display: block;
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
  letter-spacing: .03em;
}
.form-label .required {
  font-size: .72rem;
  color: var(--color-error);
  margin-left: 6px;
  font-weight: 400;
}
.form-label .optional {
  font-size: .72rem;
  color: var(--color-text-light);
  margin-left: 6px;
  font-weight: 400;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201,169,110,.15);
  background: var(--color-white);
}
.form-input.has-error,
.form-textarea.has-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(192,57,43,.1);
}
.form-textarea {
  resize: vertical;
  min-height: 100px;
}
.form-hint {
  font-size: .75rem;
  color: var(--color-text-light);
  margin-top: 4px;
}
.form-error {
  font-size: .78rem;
  color: var(--color-error);
  margin-top: 5px;
  display: none;
}
.form-error.visible { display: block; }

/* 文字数カウンター */
.char-count {
  text-align: right;
  font-size: .72rem;
  color: var(--color-text-light);
  margin-top: 4px;
}
.char-count.over { color: var(--color-error); }

/* Instagram @プレフィックス */
.input-with-prefix {
  display: flex;
  align-items: stretch;
}
.input-prefix {
  padding: 11px 10px;
  background: var(--color-beige);
  border: 1.5px solid var(--color-border);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  font-size: .9rem;
  color: var(--color-text-mid);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.input-with-prefix .form-input {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.input-with-prefix .form-input:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201,169,110,.15);
}

/* 同意チェックボックス */
.form-agree {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  background: var(--color-section-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}
.form-agree input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  accent-color: var(--color-gold);
  flex-shrink: 0;
  cursor: pointer;
}
.form-agree__label {
  font-size: .85rem;
  color: var(--color-text-mid);
  line-height: 1.7;
  cursor: pointer;
}
.form-agree__label a {
  color: var(--color-gold-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ────────────────────────────────────────────────
   7. カレンダー
   ──────────────────────────────────────────────── */
.calendar-wrapper {
  user-select: none;
}
.calendar-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.calendar-month-label {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: .04em;
}
.calendar-arrow {
  background: none;
  border: 1.5px solid var(--color-border);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-mid);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  flex-shrink: 0;
}
.calendar-arrow:hover:not(:disabled) {
  background: var(--color-beige);
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
}
.calendar-arrow:disabled { opacity: .3; cursor: default; }
.calendar-arrow svg { width: 14px; height: 14px; }

.calendar-grid {
  width: 100%;
  border-collapse: collapse;
}
.calendar-grid th {
  text-align: center;
  font-size: .72rem;
  font-weight: 500;
  color: var(--color-text-mid);
  padding: 6px 0;
  letter-spacing: .05em;
}
.calendar-grid th:first-child { color: #C0392B; }  /* 日 */
.calendar-grid th:last-child  { color: #2471A3; }  /* 土 */
.calendar-grid td {
  text-align: center;
  padding: 4px;
}
.cal-day {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin: 0 auto;
  border-radius: 50%;
  font-size: .85rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.cal-day:hover:not(.cal-past) {
  background: var(--color-beige);
}
.cal-past {
  color: var(--color-text-light);
  cursor: default;
  pointer-events: none;
}
.cal-today {
  font-weight: 600;
  color: var(--color-gold-dark);
}
.cal-selected {
  background: var(--color-gold) !important;
  color: #fff !important;
  font-weight: 600;
}
/* 日曜日・土曜日の色 */
.cal-sun { color: #C0392B; }
.cal-sat { color: #2471A3; }
.cal-sun.cal-past,
.cal-sat.cal-past { color: var(--color-text-light); }

/* ────────────────────────────────────────────────
   8. 時間帯選択
   ──────────────────────────────────────────────── */
.timeslot-section {
  margin-top: 24px;
}
.timeslot-date-label {
  font-size: .85rem;
  color: var(--color-text-mid);
  margin-bottom: 14px;
}
.timeslot-date-label strong {
  color: var(--color-gold-dark);
  font-weight: 600;
}
.timeslot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.timeslot-btn {
  padding: 12px 8px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: .88rem;
  color: var(--color-text);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  text-align: center;
  font-family: var(--font-sans);
}
.timeslot-btn:hover:not(:disabled) {
  background: var(--color-beige);
  border-color: var(--color-gold);
}
.timeslot-btn.selected {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: #fff;
  font-weight: 500;
}
.timeslot-btn:disabled {
  background: var(--color-section-alt);
  border-color: var(--color-border);
  color: var(--color-text-light);
  cursor: not-allowed;
  position: relative;
}
.timeslot-btn:disabled::after {
  content: '×';
  display: block;
  font-size: .7rem;
  color: var(--color-text-light);
}

/* ────────────────────────────────────────────────
   9. 確認画面
   ──────────────────────────────────────────────── */
.confirm-section {
  padding: 0 0 60px;
}
.confirm-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}
.confirm-card__header {
  background: linear-gradient(135deg, var(--color-beige) 0%, var(--color-section-alt) 100%);
  padding: 20px 28px;
  border-bottom: 1px solid var(--color-border);
}
.confirm-card__title {
  font-family: var(--font-serif);
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: .03em;
}
.confirm-card__body {
  padding: 24px 28px;
}
.confirm-row {
  display: flex;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-section-alt);
  align-items: baseline;
}
.confirm-row:last-child { border-bottom: none; padding-bottom: 0; }
.confirm-row dt {
  font-size: .8rem;
  font-weight: 500;
  color: var(--color-text-mid);
  white-space: nowrap;
  min-width: 110px;
  letter-spacing: .03em;
}
.confirm-row dd {
  font-size: .9rem;
  color: var(--color-text);
  word-break: break-all;
}
.confirm-row dd.highlight {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--color-gold-dark);
  font-size: 1rem;
}
.confirm-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ────────────────────────────────────────────────
   10. 完了画面
   ──────────────────────────────────────────────── */
.complete-section {
  padding: 0 0 80px;
}
.complete-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}
.complete-icon {
  width: 64px;
  height: 64px;
  background: var(--color-success-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.complete-icon svg { width: 32px; height: 32px; }
.complete-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
}
.complete-sub {
  font-size: .9rem;
  color: var(--color-text-mid);
  line-height: 1.9;
  margin-bottom: 32px;
}
.complete-summary {
  background: var(--color-section-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  text-align: left;
  margin-bottom: 32px;
}
.complete-summary dl {}
.complete-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

/* ────────────────────────────────────────────────
   11. フッター（共通）
   ──────────────────────────────────────────────── */
.page-footer {
  background: var(--color-text);
  color: rgba(255,255,255,.35);
  text-align: center;
  padding: 20px;
  font-size: .75rem;
  letter-spacing: .05em;
}

/* ────────────────────────────────────────────────
   12. 管理者ログイン画面
   ──────────────────────────────────────────────── */
.login-wrap {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-section-alt);
  padding: 40px 24px;
}
.login-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-md);
  text-align: center;
}
.login-logo {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-gold-dark);
  margin-bottom: 6px;
  letter-spacing: .04em;
}
.login-title {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 32px;
}
.login-error {
  background: var(--color-error-bg);
  border: 1px solid #F5B7B1;
  border-radius: var(--radius-sm);
  padding: 10px 16px;
  font-size: .82rem;
  color: var(--color-error);
  margin-bottom: 16px;
  display: none;
}
.login-error.visible { display: block; }

/* ────────────────────────────────────────────────
   13. 管理者ダッシュボード
   ──────────────────────────────────────────────── */
.admin-header {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: var(--shadow-sm);
}
.admin-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.admin-header__logo {
  font-family: var(--font-serif);
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-gold-dark);
  white-space: nowrap;
}
.admin-header__title {
  font-size: .85rem;
  color: var(--color-text-mid);
}

.admin-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

/* サマリーカード */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
.stat-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
}
.stat-card__label {
  font-size: .78rem;
  color: var(--color-text-mid);
  letter-spacing: .05em;
  margin-bottom: 8px;
}
.stat-card__value {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gold-dark);
  line-height: 1;
}
.stat-card__unit {
  font-size: .85rem;
  color: var(--color-text-mid);
  margin-left: 4px;
}

/* フィルター・アクション */
.admin-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  margin-bottom: 20px;
}
.admin-toolbar__group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.admin-toolbar__group label {
  font-size: .75rem;
  color: var(--color-text-mid);
  letter-spacing: .04em;
}
.admin-toolbar__group .form-input,
.admin-toolbar__group .form-select {
  width: auto;
  min-width: 140px;
  padding: 8px 12px;
  font-size: .85rem;
}
.admin-toolbar__spacer { flex: 1; }

/* テーブル */
.admin-table-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .84rem;
}
.admin-table th {
  background: var(--color-section-alt);
  padding: 12px 16px;
  text-align: left;
  font-weight: 500;
  font-size: .78rem;
  color: var(--color-text-mid);
  letter-spacing: .04em;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
.admin-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-section-alt);
  color: var(--color-text);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(245,236,216,.3); }
.admin-table .td-content {
  max-width: 160px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--color-text-mid);
}
.admin-table .td-actions {
  white-space: nowrap;
  display: flex;
  gap: 6px;
  align-items: center;
}

/* ステータスバッジ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .04em;
  white-space: nowrap;
}
.badge--pending {
  background: #FEF9C3;
  color: #92400E;
}
.badge--confirmed {
  background: var(--color-success-bg);
  color: var(--color-success);
}
.badge--cancelled {
  background: #F3F4F6;
  color: #6B7280;
}

/* 空状態 */
.admin-empty {
  text-align: center;
  padding: 60px 24px;
  color: var(--color-text-light);
  font-size: .9rem;
}
.admin-empty__icon { font-size: 2rem; margin-bottom: 12px; }

/* ────────────────────────────────────────────────
   14. ラジオグループ
   ──────────────────────────────────────────────── */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.radio-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: var(--color-text);
  cursor: pointer;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  transition: border-color var(--transition), background var(--transition);
  line-height: 1.5;
  user-select: none;
}
.radio-label:hover {
  border-color: var(--color-gold);
  background: var(--color-beige);
}
.radio-label input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-gold);
  flex-shrink: 0;
  cursor: pointer;
}
.radio-label:has(input[type="radio"]:checked) {
  border-color: var(--color-gold);
  background: rgba(201,169,110,.12);
}
.radio-label--confirm {
  font-weight: 500;
  color: var(--color-gold-dark);
  padding: 14px 16px;
}
.radio-label--confirm:has(input[type="radio"]:checked) {
  background: rgba(201,169,110,.18);
}

/* ────────────────────────────────────────────────
   15. 未定トグル付き入力
   ──────────────────────────────────────────────── */
.undecided-wrap {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.undecided-wrap .form-input { flex: 1; }
.undecided-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .82rem;
  color: var(--color-text-mid);
  cursor: pointer;
  white-space: nowrap;
  margin-top: 8px;
  user-select: none;
}
.undecided-label input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--color-gold);
  cursor: pointer;
}
.form-input:disabled {
  opacity: .4;
  background: var(--color-section-alt);
  cursor: not-allowed;
}

/* ────────────────────────────────────────────────
   16. モーダル（詳細・削除確認）
   ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(40,30,20,.6);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  backdrop-filter: blur(3px);
}
.modal-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 92svh;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0,0,0,.25), 0 0 0 1px rgba(0,0,0,.06);
  display: flex;
  flex-direction: column;
}
.modal-card--sm { max-width: 420px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.modal-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}
.modal-badge { margin-left: 10px; }
.modal-close {
  background: none;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-text-mid);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.modal-close:hover {
  background: var(--color-beige);
  color: var(--color-text);
}
.modal-body {
  padding: 20px 24px;
  overflow-y: auto;
  flex: 1;
}
.modal-body .confirm-row {
  padding: 10px 0;
  border-bottom: 1px solid var(--color-section-alt);
}
.modal-body .confirm-row:last-child { border-bottom: none; }
.modal-body .confirm-row dd {
  white-space: pre-wrap;
  word-break: break-all;
}
.modal-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-shrink: 0;
}
.modal-delete-warning {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--color-error-bg);
  border: 1px solid #F5B7B1;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
}
.modal-delete-warning__icon { font-size: 1.1rem; flex-shrink: 0; line-height: 1.6; }
.modal-delete-warning__text { font-size: .875rem; color: var(--color-error); line-height: 1.7; }
.modal-delete-name {
  font-size: .95rem;
  color: var(--color-text);
  text-align: center;
  padding: 8px 0 4px;
}
.modal-delete-name strong { color: var(--color-text); font-weight: 600; }
body.modal-open { overflow: hidden; }

/* ────────────────────────────────────────────────
   17. レスポンシブ（〜768px）
   ──────────────────────────────────────────────── */
@media (max-width: 768px) {
  .form-block { padding: 24px 18px; }
  .confirm-card__body { padding: 20px 18px; }
  .confirm-row { flex-direction: column; gap: 4px; }
  .confirm-row dt { min-width: unset; }
  .complete-card { padding: 36px 20px; }
  .login-card { padding: 36px 24px; }

  /* admin */
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat-card { padding: 14px 16px; }
  .stat-card__value { font-size: 1.5rem; }
  .admin-toolbar { flex-direction: column; align-items: stretch; }
  .admin-toolbar__spacer { display: none; }
  .admin-toolbar__group .form-input,
  .admin-toolbar__group .form-select { min-width: unset; width: 100%; }

  /* テーブルスクロール */
  .admin-table-wrap { overflow-x: auto; }
  .admin-table { min-width: 700px; }
}
@media (max-width: 480px) {
  .timeslot-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { gap: 0; }
  .step-line { width: 24px; }
  .stats-grid { grid-template-columns: 1fr; }
  .undecided-wrap { flex-direction: column; gap: 4px; }
  .modal-footer { flex-direction: column-reverse; }
  .modal-footer .btn { width: 100%; }
  .admin-tabs { gap: 4px; }
  .admin-tab { font-size: .75rem; padding: 8px 12px; }
  .admin-cal-table { font-size: .75rem; }
  .admin-cal-day { min-height: 48px; padding: 4px; }
  .settings-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .settings-date-input { width: 100%; }
  .day-slot-row { grid-template-columns: 60px 1fr auto; }
}

/* ════════════════════════════════════════════════
   ■ 管理タブ
   ════════════════════════════════════════════════ */
.admin-tabs {
  display: flex;
  gap: 6px;
  margin: 24px 0 0;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 0;
}
.admin-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-text-mid);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  border-radius: 6px 6px 0 0;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.admin-tab:hover {
  color: var(--color-gold);
  background: var(--color-beige);
}
.admin-tab.active {
  color: var(--color-gold-dark);
  border-bottom-color: var(--color-gold);
  background: var(--color-white);
}
.admin-panel {
  padding-top: 20px;
}

/* ════════════════════════════════════════════════
   ■ 管理カレンダー
   ════════════════════════════════════════════════ */
.admin-cal-wrap {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.admin-cal-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 12px;
}
.admin-cal-month {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  min-width: 140px;
  text-align: center;
}
.admin-cal-legend {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
  font-size: .78rem;
  color: var(--color-text-mid);
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.legend-dot--some    { background: #F0E6D2; border: 1.5px solid var(--color-gold); }
.legend-dot--busy    { background: #C9A96E; }
.legend-dot--full    { background: #8B5E34; }
.legend-dot--ng      { background: #FBBCBB; border: 1.5px solid #E57373; }
.admin-cal-table-wrap { overflow-x: auto; }
.admin-cal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
}
.admin-cal-table thead th {
  text-align: center;
  padding: 6px 2px;
  font-weight: 500;
  color: var(--color-text-mid);
  font-size: .75rem;
  border-bottom: 1px solid var(--color-border);
}
.admin-cal-table tbody td {
  padding: 3px;
  vertical-align: top;
}
.admin-cal-day {
  min-height: 64px;
  padding: 6px 5px 4px;
  border-radius: 6px;
  cursor: pointer;
  text-align: center;
  border: 1.5px solid transparent;
  transition: border-color .2s, background .2s;
}
.admin-cal-day:hover {
  border-color: var(--color-gold);
  background: var(--color-beige);
}
.admin-cal-day__num {
  font-size: .82rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 4px;
}
.admin-cal-day__count {
  font-size: .68rem;
  font-weight: 600;
  color: var(--color-gold-dark);
  background: rgba(201,169,110,.18);
  border-radius: 4px;
  padding: 1px 4px;
  display: inline-block;
  margin-bottom: 2px;
}
.admin-cal-day__ng {
  font-size: .65rem;
  color: #C0392B;
  background: #FBBCBB;
  border-radius: 4px;
  padding: 1px 4px;
  display: inline-block;
}
.admin-cal-day--today { background: #FDF3E0; border-color: var(--color-gold); }
.admin-cal-day--today .admin-cal-day__num { color: var(--color-gold-dark); font-weight: 700; }
.admin-cal-day--some { background: rgba(201,169,110,.10); }
.admin-cal-day--busy { background: rgba(201,169,110,.30); }
.admin-cal-day--full { background: rgba(139,94,52,.18); }
.admin-cal-day--full .admin-cal-day__count { color: #7B3F1A; background: rgba(139,94,52,.25); }
.admin-cal-hint {
  text-align: center;
  font-size: .76rem;
  color: var(--color-text-light);
  margin-top: 14px;
}

/* ════════════════════════════════════════════════
   ■ 日別管理モーダル内
   ════════════════════════════════════════════════ */
.modal-card--md { max-width: 560px; }
.day-slot-header {
  display: grid;
  grid-template-columns: 70px 1fr 110px;
  gap: 8px;
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-text-mid);
  padding: 0 0 8px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 4px;
}
.day-slot-row {
  display: grid;
  grid-template-columns: 70px 1fr 110px;
  gap: 8px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-beige);
}
.day-slot-row:last-child { border-bottom: none; }
.day-slot-row__time {
  font-weight: 600;
  font-size: .88rem;
  color: var(--color-text);
}
.day-slot-row__status { font-size: .82rem; }
.day-slot-row__action { text-align: right; }
.badge--available {
  background: #EEF8EE;
  color: #2E7D32;
  border: 1px solid #A5D6A7;
}

/* ════════════════════════════════════════════════
   ■ イベント設定パネル
   ════════════════════════════════════════════════ */
.settings-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm);
  max-width: 540px;
}
.settings-card__title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-text);
  margin-bottom: 8px;
}
.settings-card__desc {
  font-size: .83rem;
  color: var(--color-text-mid);
  margin-bottom: 28px;
  line-height: 1.7;
}
.settings-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-beige);
}
.settings-row:last-of-type { border-bottom: none; }
.settings-row__label {
  width: 100px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-text);
  flex-shrink: 0;
}
.settings-row__control {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.settings-row__hint {
  font-size: .75rem;
  color: var(--color-text-light);
}
.settings-date-input {
  max-width: 200px;
}
.settings-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}
.settings-feedback {
  font-size: .85rem;
  color: var(--color-success);
  font-weight: 500;
}
.settings-status-label {
  font-size: .88rem;
  font-weight: 600;
}
/* トグルスイッチ */
.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}
.toggle-switch input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle-switch__track {
  display: block;
  width: 48px;
  height: 26px;
  border-radius: 13px;
  background: var(--color-border);
  transition: background .25s;
  position: relative;
}
.toggle-switch__track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-white);
  box-shadow: 0 1px 4px rgba(0,0,0,.2);
  transition: left .25s;
}
.toggle-switch input:checked + .toggle-switch__track {
  background: var(--color-gold);
}
.toggle-switch input:checked + .toggle-switch__track::after {
  left: 25px;
}
/* 設定プレビュー */
.settings-preview {
  margin-top: 28px;
  padding: 16px 20px;
  background: var(--color-section-alt);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}
.settings-preview__label {
  font-size: .75rem;
  font-weight: 600;
  color: var(--color-text-mid);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 10px;
}
.preview-row {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: .83rem;
  padding: 4px 0;
}
.preview-key {
  width: 80px;
  color: var(--color-text-mid);
  flex-shrink: 0;
}
.preview-val { color: var(--color-text); }
.preview-val--on  { color: var(--color-success); font-weight: 600; }
.preview-val--off { color: var(--color-text-light); }

/* ════════════════════════════════════════════════
   ■ 募集期間外画面（reservation.html）
   ════════════════════════════════════════════════ */
.closed-wrap {
  max-width: 480px;
  margin: 60px auto;
  text-align: center;
  padding: 0 24px;
}
.closed-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  opacity: .7;
}
.closed-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-text);
  margin-bottom: 16px;
  line-height: 1.6;
}
.closed-message {
  font-size: .9rem;
  color: var(--color-text-mid);
  margin-bottom: 32px;
  line-height: 1.8;
}
.closed-back {
  margin-top: 20px;
  font-size: .82rem;
}
.closed-back a {
  color: var(--color-text-mid);
  text-decoration: underline;
}

/* ════════════════════════════════════════════════
   ■ スーパー管理者画面
   ════════════════════════════════════════════════ */

/* テナントテーブルのカラー見本 */
.color-swatch {
  display: inline-block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,.12);
  vertical-align: middle;
  margin-right: 6px;
  flex-shrink: 0;
}
.color-swatch-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: .82rem;
  color: var(--color-text-mid);
}

/* スラッグリンク */
.slug-link {
  font-size: .8rem;
  color: var(--color-gold-dark);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
}
.slug-link:hover { text-decoration: underline; }

/* 利用状況タブ — テナントカードグリッド */
.sa-tenant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 24px;
}
.sa-tenant-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-gold);
  border-radius: var(--radius-md);
  padding: 20px 20px 16px;
  box-shadow: var(--shadow-sm);
}
.sa-tenant-card__name {
  font-family: var(--font-serif);
  font-size: .95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 2px;
}
.sa-tenant-card__slug {
  font-size: .72rem;
  color: var(--color-text-light);
  margin-bottom: 14px;
}
.sa-tenant-card__stats {
  display: flex;
  gap: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 12px;
}
.sa-stat-item { text-align: center; }
.sa-stat-item__value {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-gold-dark);
  line-height: 1;
}
.sa-stat-item__label {
  font-size: .68rem;
  color: var(--color-text-mid);
  margin-top: 3px;
}
.sa-tenant-card__recent-title {
  font-size: .72rem;
  font-weight: 600;
  color: var(--color-text-mid);
  letter-spacing: .04em;
  margin-bottom: 6px;
}
.sa-tenant-card__recent-item {
  font-size: .78rem;
  color: var(--color-text);
  padding: 5px 0;
  border-bottom: 1px dotted var(--color-beige-mid);
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.sa-tenant-card__recent-item:last-child { border-bottom: none; }
.sa-tenant-card__empty {
  font-size: .78rem;
  color: var(--color-text-light);
  font-style: italic;
}

/* ヘッダーのメールアドレス表示 */
.admin-header__email {
  font-size: .75rem;
  color: var(--color-text-mid);
  display: none;
}
@media (min-width: 640px) {
  .admin-header__email { display: block; }
}

/* テナント追加/編集モーダル — テーマカラー行 */
.color-preview-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.color-preview-wrap input[type="color"] {
  width: 44px;
  height: 38px;
  padding: 2px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: none;
}
.color-hex-input {
  flex: 1;
}

@media (max-width: 768px) {
  .sa-tenant-grid { grid-template-columns: 1fr; }
}