/* ===== リセット・ベース ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #1a7abf;
  --color-primary-dark: #135d94;
  --color-primary-light: #e8f4fd;
  --color-secondary: #2eaa6e;
  --color-secondary-light: #e8f7f0;
  --color-caution: #d9534f;
  --color-caution-light: #fdf2f2;
  --color-warning-bg: #fff8e1;
  --color-warning-border: #ffb300;
  --color-text: #2c3e50;
  --color-text-light: #6b7c93;
  --color-bg: #f4f8fc;
  --color-white: #ffffff;
  --color-border: #d1e3f0;
  --font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --shadow: 0 2px 12px rgba(26, 122, 191, 0.1);
  --shadow-hover: 0 4px 20px rgba(26, 122, 191, 0.2);
  --transition: 0.2s ease;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== ヘッダー ===== */
.site-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: 20px 24px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  position: relative;
}

.btn-lang {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(255,255,255,0.2);
  color: white;
  border: 1.5px solid rgba(255,255,255,0.6);
  border-radius: 20px;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-lang:hover {
  background: rgba(255,255,255,0.35);
}

.site-header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.site-header p {
  font-size: 0.85rem;
  margin-top: 6px;
  opacity: 0.9;
}

.header-icon {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 8px;
}

/* ===== メインコンテンツ ===== */
main {
  max-width: 680px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

/* ===== プログレスバー ===== */
.progress-container {
  margin-bottom: 20px;
}

.progress-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 6px;
  font-weight: 600;
}

.progress-bar-outer {
  background-color: var(--color-border);
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
}

.progress-bar-inner {
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s ease;
}

/* ===== 質問カード ===== */
.question-card {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.question-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  line-height: 1.5;
}

.question-sub {
  font-size: 0.88rem;
  color: var(--color-text-light);
  background: var(--color-primary-light);
  border-left: 3px solid var(--color-primary);
  padding: 10px 14px;
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  margin-bottom: 20px;
  line-height: 1.6;
}

/* ===== ボタングループ ===== */
.btn-group-vertical {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.btn-group-horizontal {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.btn-group-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* ===== ボタン ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: none;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center;
  line-height: 1.4;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

.btn:active {
  transform: translateY(0);
}

.btn-option {
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  flex: 1;
  min-width: 140px;
}

.btn-option:hover {
  background-color: var(--color-primary-light);
}

.btn-option.btn-caution {
  color: var(--color-caution);
  border-color: var(--color-caution);
}

.btn-option.btn-caution:hover {
  background-color: var(--color-caution-light);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  flex: 1;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
}

.btn-skip {
  background-color: var(--color-bg);
  color: var(--color-text-light);
  border: 2px solid var(--color-border);
  flex: 1;
}

.btn-skip:hover {
  background-color: var(--color-border);
  color: var(--color-text);
}

.btn-back {
  background: none;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  padding: 8px 14px;
  font-size: 0.85rem;
  margin-top: 16px;
  font-weight: 400;
}

.btn-back:hover {
  background-color: var(--color-bg);
  color: var(--color-text);
}

.btn-caution {
  background-color: var(--color-caution-light);
  color: var(--color-caution);
  border: 2px solid var(--color-caution);
  flex: 1;
}

.btn-caution:hover {
  background-color: var(--color-caution);
  color: var(--color-white);
}

.btn-restart {
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: 14px 32px;
  font-size: 1rem;
  border-radius: var(--border-radius-sm);
  margin-top: 24px;
  width: 100%;
}

.btn-restart:hover {
  background-color: #238a57;
}

/* ===== チェックボックスグループ ===== */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px 0;
  max-height: 300px;
  overflow-y: auto;
  padding: 4px 2px;
}

.checkbox-group-horizontal {
  flex-direction: row;
  flex-wrap: wrap;
  max-height: none;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition);
  font-size: 0.95rem;
  user-select: none;
}

.checkbox-label:hover {
  background-color: var(--color-primary-light);
  border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-group-horizontal .checkbox-label {
  flex: 1 1 auto;
  min-width: 100px;
  justify-content: center;
}

/* ===== 結果画面 ===== */
.result-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.result-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  padding-bottom: 12px;
  border-bottom: 3px solid var(--color-primary);
}

/* ===== 警告ボックス（相談推奨） ===== */
.warning-box {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background-color: var(--color-warning-bg);
  border: 2px solid var(--color-warning-border);
  border-radius: var(--border-radius);
  padding: 16px 20px;
}

.warning-icon {
  font-size: 1.8rem;
  flex-shrink: 0;
}

.warning-box strong {
  font-size: 1rem;
  color: #7a5800;
  display: block;
  margin-bottom: 4px;
}

.warning-box p {
  font-size: 0.88rem;
  color: #7a5800;
  margin-top: 4px;
}

/* ===== 結果セクション ===== */
.result-section {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
}

.result-section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.result-section-title.priority {
  color: #b06000;
}

/* ===== 薬カード ===== */
.medicine-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.medicine-card {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: 14px 16px;
  background: var(--color-bg);
  transition: box-shadow var(--transition);
}

.medicine-card:hover {
  box-shadow: var(--shadow);
}

.medicine-card-priority {
  background: linear-gradient(135deg, #fffdf0 0%, #fff9e0 100%);
  border-color: #f0c040;
}

.medicine-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
  flex-wrap: wrap;
}

.medicine-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.medicine-form {
  font-size: 0.8rem;
  color: var(--color-text-light);
  background: var(--color-border);
  padding: 2px 8px;
  border-radius: 999px;
}

.medicine-dose {
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.medicine-dose strong {
  color: var(--color-primary-dark);
}

.medicine-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.medicine-notes {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* ===== 薬カード画像 ===== */
.medicine-image {
  width: 100%;
  max-height: 140px;
  object-fit: contain;
  border-radius: var(--border-radius-sm);
  background: var(--color-white);
  margin-bottom: 10px;
  display: block;
}

/* ===== 公式サイトリンク ===== */
.medicine-link {
  display: inline-block;
  margin-top: 8px;
  font-size: 0.85rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  border: 1px solid var(--color-primary);
  padding: 4px 12px;
  border-radius: 999px;
  transition: background-color var(--transition), color var(--transition);
}

.medicine-link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ===== バッジ ===== */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}

.badge-priority {
  background-color: #fff3cc;
  color: #7a5800;
  border: 1px solid #f0c040;
}

.badge-warning {
  background-color: #fde8e8;
  color: #c0392b;
}

.badge-drowsy {
  background-color: #e8e0f8;
  color: #5b3fa0;
}

.badge-caffeine {
  background-color: #fdecd8;
  color: #a05010;
}

.badge-stomach {
  background-color: var(--color-secondary-light);
  color: #1a7a45;
}

.badge-loxo {
  background-color: #e0f0ff;
  color: #1a5fa0;
}

/* ===== 注意事項ボックス ===== */
.caution-box {
  background: var(--color-primary-light);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--border-radius-sm);
  padding: 16px 20px;
}

.caution-box h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
}

.caution-box ul {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.caution-box li {
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.6;
}

/* ===== 0件の場合 ===== */
.no-result-box {
  background: var(--color-caution-light);
  border: 1px solid #f5c6c6;
  border-radius: var(--border-radius-sm);
  padding: 20px;
  text-align: center;
  color: var(--color-caution);
}

.no-result-box p {
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ===== 相談エンド画面 ===== */
.consult-container {
  background: var(--color-white);
  border-radius: var(--border-radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 2px solid var(--color-primary);
  text-align: center;
}

.consult-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.consult-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
}

.consult-message {
  background: var(--color-primary-light);
  border-radius: var(--border-radius-sm);
  padding: 16px 20px;
  margin-bottom: 16px;
  text-align: left;
}

.consult-message p {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.8;
}

.consult-message p + p {
  margin-top: 8px;
}

.consult-reason {
  background: var(--color-caution-light);
  border: 1px solid #f5c6c6;
  border-radius: var(--border-radius-sm);
  padding: 14px 18px;
  font-size: 0.9rem;
  color: var(--color-text);
  text-align: left;
  line-height: 1.7;
}

.consult-reason strong {
  color: var(--color-caution);
}

/* ===== バリデーションメッセージ ===== */
.validation-message {
  color: var(--color-caution);
  font-size: 0.88rem;
  font-weight: 600;
  margin-top: 8px;
  min-height: 1.2em;
}

/* ===== フッター ===== */
.site-footer {
  text-align: center;
  padding: 20px;
  font-size: 0.8rem;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
  margin-top: 40px;
}

/* ===== レスポンシブ ===== */
@media (max-width: 480px) {
  .site-header h1 {
    font-size: 1.2rem;
  }

  main {
    padding: 16px 12px 60px;
  }

  .question-card {
    padding: 20px 16px;
  }

  .question-title {
    font-size: 1.05rem;
  }

  .btn-group-horizontal {
    flex-direction: column;
  }

  .btn-group-actions {
    flex-direction: column;
  }

  .btn-option {
    min-width: unset;
  }

  .checkbox-group-horizontal {
    flex-direction: column;
  }

  .medicine-name {
    font-size: 1rem;
  }

  .result-title {
    font-size: 1.3rem;
  }

  .consult-container {
    padding: 24px 16px;
  }

  .consult-title {
    font-size: 1.2rem;
  }
}