:root {
  --primary-color: #00214d;
  --accent-color: #28a745;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --bg-color: #f4f7f9;
  --text-color: #333;
  --light-text: #666;
  --border-color: #e1e8ed;
  --white: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Inter", "Hiragino Sans", "Meiryo", sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
  font-size: 16px;
}

/* ===== 顧客画面コンテナ ===== */
.container {
  max-width: 500px;
  margin: 0 auto;
  background: var(--white);
  min-height: 100vh;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

header { text-align: center; padding: 20px 0; margin-bottom: 20px; }
h1 { font-size: 22px; color: var(--primary-color); letter-spacing: 1px; }

/* ステップインジケーター */
.step-indicator { display: flex; justify-content: space-between; margin-bottom: 30px; }
.step { flex: 1; text-align: center; font-size: 12px; color: #ccc; font-weight: 600; }
.step.active { color: var(--primary-color); }

.step-content { display: none; animation: fadeIn 0.3s ease; }
.step-content.active { display: block; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

h2 { margin-bottom: 20px; font-size: 18px; text-align: center; color: var(--primary-color); }

/* カード（コース選択） */
.card-list { display: flex; flex-direction: column; gap: 12px; }
.card { padding: 20px; border: 1px solid var(--border-color); border-radius: 12px; cursor: pointer; transition: all 0.2s; background: #fff; }
.card:hover { border-color: var(--primary-color); background-color: #f0f7ff; }
.card.selected { border-color: var(--primary-color); background-color: #e7f1ff; box-shadow: 0 2px 8px rgba(0, 33, 77, 0.1); }
.card h3 { font-size: 18px; margin-bottom: 4px; }
.card p { font-size: 14px; color: var(--light-text); }

/* インラインカレンダー */
.inline-calendar { background: #fff; border: 1px solid var(--border-color); border-radius: 12px; padding: 16px; margin-bottom: 16px; }
.cal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.cal-header span { font-weight: 700; font-size: 16px; color: var(--primary-color); }
.cal-nav { background: none; border: 1px solid var(--border-color); border-radius: 6px; padding: 6px 12px; cursor: pointer; font-size: 16px; }
.cal-weekdays { display: grid; grid-template-columns: repeat(7, 1fr); text-align: center; font-size: 12px; font-weight: 600; color: var(--light-text); margin-bottom: 4px; }
.cal-weekdays span:first-child { color: var(--danger-color); }
.cal-weekdays span:last-child { color: #1565c0; }
.cal-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal-day { text-align: center; padding: 10px 4px; border-radius: 8px; cursor: pointer; font-size: 14px; transition: 0.2s; }
.cal-day:hover:not(.past):not(.sunday):not(.blank) { background: #e7f1ff; }
.cal-day.selected { background: var(--primary-color); color: #fff; font-weight: 700; }
.cal-day.past { color: #ccc; cursor: default; }
.cal-day.sunday { color: var(--danger-color); cursor: default; opacity: 0.5; }
.cal-day.blank { cursor: default; }

/* 症状チェックボックスグリッド */
.checkbox-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.checkbox-grid .checkbox-label { font-size: 14px; padding: 8px; border: 1px solid var(--border-color); border-radius: 6px; }
.checkbox-grid .checkbox-label:has(input:checked) { border-color: var(--primary-color); background: #e7f1ff; }

/* タイムグリッド */
.time-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 15px; }
.time-slot { padding: 12px; text-align: center; border: 1px solid var(--border-color); border-radius: 8px; font-size: 14px; cursor: pointer; transition: 0.2s; background: #fff; }
.time-slot:hover:not(.booked) { border-color: var(--primary-color); color: var(--primary-color); }
.time-slot.selected { background-color: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.time-slot.booked { background-color: #eee; color: #bbb; cursor: not-allowed; border-color: #eee; font-size: 12px; }

/* フォーム要素 */
.form-group { margin-bottom: 16px; }
label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 600; }
.radio-label, .checkbox-label { display: flex; } /* flex表示に上書き */
.required { color: var(--danger-color); font-size: 12px; font-weight: normal; }

input:not([type="radio"]):not([type="checkbox"]), textarea, select {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: #fafbfc;
  -webkit-appearance: none;
  appearance: none;
}

input[type="radio"], input[type="checkbox"] {
  -webkit-appearance: auto;
  appearance: auto;
  width: auto;
  height: auto;
  padding: 0;
  background: transparent;
  border: initial;
  border-radius: initial;
}
input:not([type="radio"]):not([type="checkbox"]):focus, textarea:focus, select:focus { outline: none; border-color: var(--primary-color); background-color: #fff; }

/* 注意喚起バナー */
.warning-banner {
  background: #fff5f5;
  border: 1px solid var(--danger-color);
  border-radius: 8px;
  padding: 12px;
  margin-bottom: 20px;
  font-size: 13px;
  color: var(--danger-color);
  font-weight: 600;
  text-align: center;
  line-height: 1.6;
}

/* フィールドエラー */
.field-error { color: var(--danger-color); font-size: 12px; margin-top: 4px; }

/* ラジオグループ */
.radio-group { display: flex; flex-wrap: wrap; gap: 8px; }
.radio-label {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 14px; border: 1px solid var(--border-color);
  border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: normal;
  transition: 0.2s;
}
.radio-label:has(input:checked) { border-color: var(--primary-color); background: #e7f1ff; }
.radio-label input { width: auto; margin: 0; }

/* 免責事項 */
.terms-box {
  background: #f8f9fa; padding: 15px; border-radius: 8px;
  font-size: 13px; color: #666; height: 100px; overflow-y: scroll;
  margin-bottom: 15px; border: 1px solid var(--border-color);
}
.checkbox-label {
  display: flex; align-items: center; cursor: pointer; font-weight: normal; font-size: 15px;
}
.checkbox-label input { width: 20px; height: 20px; margin-right: 12px; accent-color: var(--primary-color); cursor: pointer; }

/* ボタン */
.btn-container { margin-top: 30px; display: flex; gap: 12px; }
.btn { flex: 1; padding: 14px; font-size: 16px; font-weight: 700; border: none; border-radius: 8px; cursor: pointer; transition: 0.2s; }
.btn-primary { background-color: var(--primary-color); color: #fff; }
.btn-primary:hover:not(:disabled) { opacity: 0.9; }
.btn-secondary { background-color: #f0f2f5; color: var(--text-color); }
.btn-accent { background: var(--accent-color); color: #fff; border: none; padding: 8px 16px; border-radius: 6px; cursor: pointer; font-size: 13px; font-weight: 600; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== 管理画面 ===== */
.admin-container {
  max-width: 900px; margin: 0 auto; background: #fff;
  padding: 16px; min-height: 100vh;
}

/* タブ */
.tab-nav { display: flex; gap: 4px; margin-bottom: 16px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tab-btn {
  padding: 10px 16px; border: 1px solid var(--border-color); background: #f8f9fa;
  border-radius: 8px 8px 0 0; cursor: pointer; font-size: 13px; font-weight: 600;
  white-space: nowrap; transition: 0.2s; flex-shrink: 0;
}
.tab-btn.active { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ツールバー */
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }
.view-toggle { display: flex; gap: 0; }
.toggle-btn {
  padding: 6px 14px; border: 1px solid var(--border-color); background: #f8f9fa;
  cursor: pointer; font-size: 13px; transition: 0.2s;
}
.toggle-btn:first-child { border-radius: 6px 0 0 6px; }
.toggle-btn:last-child { border-radius: 0 6px 6px 0; }
.toggle-btn.active { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }

/* フィルタバー */
.filter-bar { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.filter-bar select { width: auto; padding: 6px 10px; font-size: 13px; }
.checkbox-label.compact { font-size: 13px; }
.checkbox-label.compact input { width: 16px; height: 16px; margin-right: 6px; }

/* 予約カード */
.res-card {
  background: #fff; border: 1px solid var(--border-color); border-radius: 12px;
  padding: 14px; margin-bottom: 12px; box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  transition: 0.2s;
}
.res-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.buffer-card { background: #fffde7; border-color: #fff9c4; padding: 8px 14px; }
.blocked-card { background: #fff3e0; border-color: #ffe0b2; }

.card-header { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.card-time { font-weight: 700; font-size: 15px; color: var(--primary-color); }
.card-name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.card-detail { font-size: 13px; color: var(--light-text); margin-bottom: 2px; }
.card-issue { font-size: 13px; color: #555; margin-top: 6px; padding: 8px; background: #f8f9fa; border-radius: 6px; }

/* カードアクション */
.card-actions { display: flex; gap: 6px; margin: 10px 0; flex-wrap: wrap; }
.btn-sm {
  padding: 6px 12px; border: none; border-radius: 6px; cursor: pointer;
  font-size: 12px; font-weight: 600; text-decoration: none; display: inline-block; transition: 0.2s;
}
.btn-call { background: #e8f5e9; color: #2e7d32; }
.btn-map { background: #e3f2fd; color: #1565c0; }
.btn-copy { background: #f3e5f5; color: #7b1fa2; }
.btn-save { background: var(--accent-color); color: #fff; margin-top: 6px; }
.btn-warn { background: var(--warning-color); color: #333; }
.btn-danger { background: #ffebee; color: var(--danger-color); }

/* 承認ボタン */
.approve-bar { margin: 8px 0; }
.btn-approve { width: 100%; padding: 10px; background: #28a745; color: #fff; border: none; border-radius: 8px; font-size: 14px; font-weight: 700; cursor: pointer; transition: 0.2s; }
.btn-approve:hover { background: #218838; }
.btn-approve-sm { padding: 4px 10px; background: #28a745; color: #fff; border: none; border-radius: 4px; font-size: 11px; font-weight: 600; cursor: pointer; }

/* ステータスボタン行 */
.card-status-row { display: flex; gap: 4px; margin: 8px 0; flex-wrap: wrap; }
.btn-xs {
  padding: 4px 10px; border: 1px solid var(--border-color); border-radius: 4px;
  background: #f8f9fa; cursor: pointer; font-size: 11px; transition: 0.2s;
}
.btn-xs.active { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.btn-cancel-status.active { background: var(--danger-color); border-color: var(--danger-color); }

/* メモ */
.card-memo { margin: 8px 0; }
.card-memo details { font-size: 13px; }
.card-memo summary { cursor: pointer; color: var(--light-text); padding: 4px 0; }
.card-memo textarea { width: 100%; padding: 8px; font-size: 13px; margin-top: 6px; }

.card-footer { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border-color); }
.card-id { font-size: 11px; color: #aaa; }

/* バッジ */
.badge { padding: 3px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.badge-pending { background: #fff3e0; color: #e65100; }
.badge-confirmed { background: #e8f5e9; color: #2e7d32; }
.badge-done { background: #e3f2fd; color: #1565c0; }
.badge-cancelled { background: #fce4ec; color: #c62828; }
.badge-blocked { background: var(--warning-color); color: #333; }
.badge-buffer { background: #fffde7; color: #f9a825; }
.badge-danger { background: #ffebee; color: var(--danger-color); }

/* テーブル */
.admin-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.admin-table th, .admin-table td { padding: 10px 8px; border-bottom: 1px solid var(--border-color); text-align: left; }
.admin-table th { background: #f8f9fa; color: var(--primary-color); font-size: 12px; position: sticky; top: 0; }

/* 検索 */
.search-bar { display: flex; gap: 8px; margin-bottom: 16px; }
.search-bar input { flex: 1; }
.search-bar .btn { flex: none; width: auto; padding: 10px 20px; }
.search-result-card { background: #f8f9fa; padding: 12px; border-radius: 8px; margin-bottom: 8px; }
.search-result-card p { font-size: 13px; margin-bottom: 4px; }
.search-note { font-size: 12px; color: var(--light-text); font-style: italic; }

/* 手動追加フォーム */
.manual-form { max-width: 600px; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }
.block-form .form-row { max-width: 500px; align-items: flex-end; }

.empty-msg { text-align: center; color: var(--light-text); padding: 40px 0; }

/* ===== レスポンシブ ===== */
@media (max-width: 600px) {
  .container { padding: 16px; }
  .admin-container { padding: 10px; }
  h1 { font-size: 18px; }
  h2 { font-size: 16px; }
  .time-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
  .time-slot { padding: 10px 4px; font-size: 13px; }
  .form-row { flex-direction: column; gap: 0; }
  .card-actions { flex-wrap: wrap; }
  .card-status-row { flex-wrap: wrap; }
  .tab-nav { gap: 2px; }
  .tab-btn { padding: 8px 10px; font-size: 12px; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .search-bar { flex-direction: column; }
  .radio-group { flex-direction: column; gap: 6px; }
}