/* ============================================================
 *  家づくり要望整理ツール v4.0 - styles.css
 *  スマホファースト設計
 * ============================================================ */

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

:root {
  --color-primary: #2c7a7b;
  --color-primary-dark: #225d5e;
  --color-secondary: #718096;
  --color-bg: #f7fafc;
  --color-card: #ffffff;
  --color-text: #2d3748;
  --color-text-sub: #4a5568;
  --color-border: #e2e8f0;
  --color-hint: #718096;
  --color-high: #e53e3e;
  --color-medium: #dd6b20;
  --color-low: #718096;
  --radius: 10px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans",
    "Noto Sans JP", "Yu Gothic", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  padding: 16px;
}

.container {
  max-width: 640px;
  margin: 0 auto;
}

header {
  text-align: center;
  padding: 24px 0 16px;
}

header h1 {
  font-size: 22px;
  color: var(--color-primary-dark);
  margin-bottom: 8px;
}

header p {
  font-size: 14px;
  color: var(--color-text-sub);
}

/* ============================================================
 *  質問カード
 * ============================================================ */
.question-card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  margin-top: 16px;
}

.progress {
  font-size: 13px;
  color: var(--color-hint);
  margin-bottom: 12px;
  font-weight: 600;
}

.question-card h2 {
  font-size: 18px;
  color: var(--color-text);
  margin-bottom: 8px;
  line-height: 1.5;
}

.question-card .hint {
  font-size: 13px;
  color: var(--color-hint);
  margin-bottom: 16px;
}

.option-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option-group-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin: 16px 0 8px;
}

.option-group-label--sub {
  color: var(--color-hint);
  font-weight: 600;
  margin-top: 20px;
}

.option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 15px;
  line-height: 1.5;
}

.option:hover {
  border-color: var(--color-primary);
  background: #f0fdfa;
}

.option input[type="checkbox"] {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.option input[type="checkbox"]:checked+span {
  color: var(--color-primary-dark);
  font-weight: 600;
}

/* 上限メッセージ */
.limit-msg {
  display: none;
  font-size: 13px;
  color: var(--color-high);
  background: #fff5f5;
  border: 1px solid #fed7d7;
  border-radius: 6px;
  padding: 8px 12px;
  margin-top: 12px;
}

.limit-msg.visible {
  display: block;
}

/* ============================================================
 *  ナビゲーション
 * ============================================================ */
.nav-area {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.btn-primary,
.btn-secondary {
  flex: 1;
  padding: 14px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

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

.btn-primary:disabled {
  background: var(--color-secondary);
  cursor: default;
}

.btn-secondary {
  background: #fff;
  color: var(--color-text-sub);
  border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
  background: #f7fafc;
}

/* ============================================================
 *  結果画面
 * ============================================================ */
.result-card {
  background: var(--color-card);
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow);
  margin-top: 16px;
}

.result-section {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.result-section:last-of-type {
  border-bottom: none;
}

.result-section h3 {
  font-size: 16px;
  color: var(--color-primary-dark);
  margin-bottom: 10px;
  padding-left: 10px;
  border-left: 3px solid var(--color-primary);
}

.result-section p {
  font-size: 15px;
  color: var(--color-text-sub);
  line-height: 1.8;
  white-space: pre-wrap;
}

.section-lead {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-primary-dark);
  line-height: 1.6;
  margin-bottom: 8px;
  white-space: normal;
}

/* 優先度メモ */
.priority-memo .memo-group {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 8px;
  background: #f7fafc;
}

.priority-memo .memo-group h4 {
  font-size: 14px;
  margin-bottom: 8px;
}

.priority-memo .priority-high h4 {
  color: var(--color-high);
}

.priority-memo .priority-medium h4 {
  color: var(--color-medium);
}

.priority-memo .priority-low h4 {
  color: var(--color-low);
}

.priority-memo ul {
  list-style: none;
  padding-left: 0;
}

.priority-memo li {
  font-size: 14px;
  color: var(--color-text-sub);
  padding: 4px 0 4px 18px;
  position: relative;
  line-height: 1.6;
}

.priority-memo li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: bold;
}

/* コピーボタン */
.copy-btn {
  width: 100%;
  margin-top: 8px;
  padding: 16px;
  font-size: 16px;
}

/* 再診断ボタン */
.result-card .btn-secondary {
  width: 100%;
  margin-top: 10px;
}

/* 結果画面リスト（番号付き・箇条書き共通） */
.result-card ol,
.result-card ul {
  margin: 0.75rem 0 0 0;
  padding-left: 1.25rem;
}

.result-card li {
  margin-bottom: 0.75rem;
  line-height: 1.8;
}

.result-card li::marker {
  color: inherit;
}

/* ============================================================
 *  PC向け調整
 * ============================================================ */
@media (min-width: 768px) {
  body {
    padding: 32px;
  }

  header h1 {
    font-size: 28px;
  }

  .question-card,
  .result-card {
    padding: 32px;
  }

  .question-card h2 {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  .result-card ol,
  .result-card ul {
    padding-left: 1.1rem;
  }
}