/* ========================================
   ふるさと納税 AIナビ - 共通スタイル
   ======================================== */

/* --- 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: 'Zen Maru Gothic', sans-serif;
  font-weight: 400;
  color: #3C2A1E;
  background-color: #FFFBF7;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a {
  color: #D4714E;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

/* --- カラー変数（和風・明るく軽やか） --- */
:root {
  --color-primary: #D4714E;    /* 薄朱色 — メイン */
  --color-accent: #E8A735;     /* 山吹色 — CTA・アクセント */
  --color-accent-hover: #D4942A;
  --color-bg: #FFFBF7;         /* 練色 — 背景 */
  --color-card: #FFFFFF;
  --color-text: #3C2A1E;       /* 焦茶 — テキスト */
  --color-sub: #8B7B6B;        /* 丁子色 — サブテキスト */
  --color-success: #6BAD7E;    /* 若竹色 — 成功 */
  --color-warning: #E07070;    /* 薄紅 — 警告 */
  --color-green: #2E7D32;      /* 差し色グリーン */
  --color-green-light: #E8F5E9;
  --color-green-dark: #1B5E20;
}

/* --- レイアウト --- */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}

.page-content {
  padding: 24px 0 60px;
}

/* --- ヘッダー --- */
.site-header {
  background: #FFFBF7;
  padding: 12px 16px;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.06);
  border-bottom: 2px solid rgba(212, 113, 78, 0.15);
}

.header-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.site-logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.site-logo-text {
  color: #3C2A1E;
  font-size: 1.1rem;
  font-weight: 700;
}

.site-logo-text span {
  color: var(--color-accent);
  font-weight: 900;
}

/* ハンバーガーメニュー */
.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1100;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #3C2A1E;
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* メニューオーバーレイ */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 1001;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ナビゲーションメニュー */
.nav-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: #FFFFFF;
  padding: 72px 24px 24px;
  transition: right 0.3s ease;
  z-index: 1002;
  overflow-y: auto;
}

.nav-menu.active {
  right: 0;
}

.nav-menu a {
  display: block;
  padding: 14px 0;
  color: var(--color-text);
  font-weight: 500;
  border-bottom: 1px solid #E5E7EB;
  font-size: 0.95rem;
}

.nav-menu a:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.nav-menu a.external::after {
  content: ' ↗';
  font-size: 0.8rem;
  color: var(--color-sub);
}

/* --- フッター --- */
.site-footer {
  background-color: #3C2A1E;
  color: #FFFFFF;
  padding: 32px 16px 20px;
  font-size: 0.85rem;
}

.footer-inner {
  max-width: 720px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  margin-bottom: 16px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: #FFFFFF;
  text-decoration: none;
}

.footer-copyright {
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.75rem;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

/* --- カード --- */
.card {
  background: #FFFFFF;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 20px;
  margin-bottom: 16px;
}

/* --- ボタン --- */
.btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: #FFFFFF;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 1rem;
  text-align: center;
  transition: background-color 0.2s;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  text-decoration: none;
}

.btn-secondary {
  display: inline-block;
  background: var(--color-primary);
  color: #FFFFFF;
  font-weight: 500;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.95rem;
  text-align: center;
  transition: background-color 0.2s;
  text-decoration: none;
}

.btn-secondary:hover {
  background: #B85E3A;
  text-decoration: none;
}

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--color-primary);
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 8px;
  border: 2px solid var(--color-primary);
  font-size: 0.9rem;
  text-align: center;
  transition: background-color 0.2s, color 0.2s;
  text-decoration: none;
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  text-decoration: none;
}

/* --- 見出し --- */
.section-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--color-sub);
  margin-bottom: 24px;
}

/* --- ヒーローエリア --- */
.hero {
  text-align: center;
  padding: 48px 16px 40px;
}

.hero .container {
  position: relative;
}

/* ヒーロー中央のフロストパネル */
.hero-panel {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: 20px;
  padding: 36px 28px;
  width: 90%;
  max-width: 650px;
  margin: 0 auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.hero-title {
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 8px;
  line-height: 1.4;
  color: #FFFFFF;
}

.hero-title span {
  color: #FFFFFF;
}

.hero-catch {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 24px;
  color: #FFFFFF;
  line-height: 1.7;
}

.hero-icon {
  display: block;
  width: 120px;
  height: 120px;
  border-radius: 24px;
  margin: 20px auto 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.hero .btn-primary {
  font-size: 1.05rem;
  padding: 16px 36px;
}

/* --- 3ステップ --- */
.steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.step-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: var(--color-green);
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.step-text {
  font-size: 0.95rem;
  line-height: 1.6;
  padding-top: 6px;
}

.step-text strong {
  display: block;
  font-weight: 700;
  margin-bottom: 2px;
}

/* --- カテゴリカード --- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.category-card {
  background: #FFFFFF;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 20px 12px;
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: var(--color-text);
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  text-decoration: none;
}

.category-icon {
  font-size: 2rem;
  margin-bottom: 8px;
}

.category-name {
  font-size: 0.85rem;
  font-weight: 700;
}

/* --- コラムカード --- */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.article-card {
  background: #FFFFFF;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 16px 20px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: var(--color-text);
  display: block;
}

.article-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  text-decoration: none;
}

.article-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 0.8rem;
}

.article-tag {
  background: var(--color-primary);
  color: #FFFFFF;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 500;
}

.article-tag.tax { background: #2E5A88; }
.article-tag.gift { background: var(--color-success); }
.article-tag.trend { background: var(--color-accent); color: var(--color-text); }

.article-date {
  color: var(--color-sub);
}

.article-card-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1.5;
}

.article-card-summary {
  font-size: 0.82rem;
  color: var(--color-sub);
  line-height: 1.6;
}

/* --- コラム記事本文 --- */
.article-detail {
  display: none;
}

.article-detail.active {
  display: block;
}

.article-detail-header {
  margin-bottom: 24px;
}

.article-detail-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
  line-height: 1.5;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-sub);
  font-size: 0.85rem;
  margin-bottom: 16px;
  cursor: pointer;
}

.article-back:hover {
  color: var(--color-primary);
  text-decoration: none;
}

.article-body h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 28px 0 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--color-accent);
}

.article-body h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 20px 0 8px;
}

.article-body p {
  margin-bottom: 16px;
  line-height: 1.9;
}

.article-body ul, .article-body ol {
  margin-bottom: 16px;
  padding-left: 24px;
}

.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }

.article-body li {
  margin-bottom: 6px;
  line-height: 1.7;
}

/* --- フィルターチップ --- */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.filter-chip {
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
}

.filter-chip.active,
.filter-chip:hover {
  background: var(--color-primary);
  color: #FFFFFF;
}

/* --- フォーム要素 --- */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-hint {
  font-size: 0.8rem;
  color: var(--color-sub);
  margin-top: 4px;
}

.form-input,
.form-select {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid #D1D5DB;
  border-radius: 8px;
  font-size: 1rem;
  color: var(--color-text);
  background: #FFFFFF;
  transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* スライダー */
.range-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.form-range {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  background: #D1D5DB;
  border-radius: 3px;
  outline: none;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  background: var(--color-accent);
  border-radius: 50%;
  cursor: pointer;
}

.range-value {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
  min-width: 90px;
  text-align: right;
}

/* トグルスイッチ */
.toggle-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
}

.toggle-switch {
  position: relative;
  width: 48px;
  height: 26px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: #D1D5DB;
  border-radius: 26px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background: #FFFFFF;
  border-radius: 50%;
  transition: transform 0.3s;
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--color-success);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(22px);
}

.toggle-detail {
  margin-top: 8px;
  display: none;
}

.toggle-detail.active {
  display: block;
}

/* --- 結果表示 --- */
.result-area {
  display: none;
}

.result-area.active {
  display: block;
}

.result-amount {
  text-align: center;
  padding: 24px;
  margin-bottom: 16px;
}

.result-amount-label {
  font-size: 0.9rem;
  color: var(--color-sub);
  margin-bottom: 4px;
}

.result-amount-value {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--color-success);
  line-height: 1.2;
}

.result-amount-unit {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-sub);
  margin-left: 4px;
}

.result-advice {
  padding: 20px;
  background: #F0F7F3;
  border-radius: 8px;
  border-left: 4px solid var(--color-success);
  margin-bottom: 20px;
}

.result-advice-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-success);
  margin-bottom: 8px;
}

.result-advice-text {
  font-size: 0.9rem;
  line-height: 1.8;
}

/* --- おすすめカード --- */
.recommend-card {
  background: #FFFFFF;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  padding: 20px;
  margin-bottom: 12px;
}

.recommend-card-name {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
  line-height: 1.5;
}

.recommend-card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 0.82rem;
  color: var(--color-sub);
}

.recommend-card-amount {
  font-weight: 700;
  color: var(--color-warning);
}

.recommend-card-desc {
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.7;
}

/* --- プリセットボタン --- */
.preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.preset-btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 2px solid #D1D5DB;
  color: var(--color-text);
  background: #FFFFFF;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}

.preset-btn.active,
.preset-btn:hover {
  border-color: var(--color-accent);
  background: #FEF7E8;
  color: var(--color-primary);
}

/* --- 広告エリア --- */
.ad-section {
  text-align: center;
  padding: 24px;
  margin-top: 24px;
}

.ad-section-pr {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-sub);
  border: 1px solid var(--color-sub);
  border-radius: 4px;
  padding: 1px 8px;
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.ad-section-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.ad-banners {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.ad-banner {
  display: flex;
  justify-content: center;
}

.ad-banner img[width="300"] {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

/* --- シェアボタン --- */
.share-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #E5E7EB;
}

.share-btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s;
}

.share-btn:hover {
  opacity: 0.8;
}

.share-btn-native {
  background: var(--color-primary);
  color: #FFFFFF;
}

.share-btn-x {
  background: #000000;
  color: #FFFFFF;
}

.share-btn-line {
  background: #06C755;
  color: #FFFFFF;
}

.share-btn-copy {
  background: #E5E7EB;
  color: var(--color-text);
}

/* --- ローディング --- */
.loading {
  display: none;
  text-align: center;
  padding: 32px;
}

.loading.active {
  display: block;
}

.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid #E5E7EB;
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-text {
  font-size: 0.85rem;
  color: var(--color-sub);
}

/* --- エラー表示 --- */
.error-message {
  background: #FEF2F0;
  border-left: 4px solid var(--color-warning);
  padding: 16px 20px;
  border-radius: 8px;
  font-size: 0.88rem;
  color: var(--color-warning);
  margin-bottom: 16px;
  display: none;
}

.error-message.active {
  display: block;
}

/* --- 静的ページ --- */
.static-page h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--color-accent);
}

.static-page h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 28px 0 12px;
}

.static-page p {
  margin-bottom: 16px;
  line-height: 1.9;
}

.static-page ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
}

.static-page li {
  margin-bottom: 6px;
  line-height: 1.7;
}

/* --- ヒーロー改善 --- */
@keyframes heroGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero {
  background-color: #3D5A80;
  background-image: url('../images/hero-pattern.png');
  background-repeat: repeat;
  background-size: 600px auto;
  color: #3C2A1E;
  position: relative;
  overflow: hidden;
}


@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 167, 53, 0.4); }
  50% { box-shadow: 0 0 0 14px rgba(232, 167, 53, 0); }
}

.hero .btn-primary {
  animation: pulse 2.5s ease-in-out infinite;
}

/* --- カテゴリカード（グラデーション） --- */
.category-card:nth-child(1) { background: linear-gradient(135deg, #FFFFFF 0%, #FFF3E0 100%); border: 1px solid rgba(212, 160, 23, 0.2); }
.category-card:nth-child(2) { background: linear-gradient(135deg, #FFFFFF 0%, #E8F5E9 100%); border: 1px solid rgba(74, 124, 89, 0.2); }
.category-card:nth-child(3) { background: linear-gradient(135deg, #FFFFFF 0%, #E3F2FD 100%); border: 1px solid rgba(27, 58, 92, 0.2); }

/* --- スクロールアニメーション --- */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-animate].animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* --- セクション交互背景 --- */
.section-alt {
  background: #FFF5EE;
  margin: 0 -16px;
  padding: 32px 16px;
}

/* ========================================
   シミュレーター（カード選択式）
   ======================================== */
.sim-container {
  max-width: 480px;
  margin: 0 auto;
  padding: 0 16px;
  min-height: 60vh;
}

/* プログレスバー */
.sim-progress { padding: 20px 0 8px; }
.sim-progress-bar { height: 6px; background: #E5E7EB; border-radius: 3px; overflow: hidden; }
.sim-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), #FFD54F);
  border-radius: 3px;
  transition: width 0.5s ease;
}
.sim-progress-text { font-size: 0.75rem; color: var(--color-sub); margin-top: 6px; text-align: right; font-weight: 500; }

/* ステップ */
.sim-step { display: none; flex-direction: column; padding: 16px 0 32px; }
.sim-step.active { display: flex; animation: simStepIn 0.35s ease; }
@keyframes simStepIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}
.sim-step-question { font-size: 1.3rem; font-weight: 900; color: var(--color-primary); margin-bottom: 6px; line-height: 1.4; }
.sim-step-hint { font-size: 0.82rem; color: var(--color-sub); margin-bottom: 20px; }
.sim-step-back {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.82rem; color: var(--color-sub); cursor: pointer;
  margin-bottom: 12px; padding: 4px 0;
}
.sim-step-back:hover { color: var(--color-primary); }

/* 選択カード */
.sim-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.sim-card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.sim-card {
  background: #FFFFFF;
  border: 2px solid #E5E7EB;
  border-radius: 12px;
  padding: 18px 10px 14px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.sim-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(212, 160, 23, 0.15);
}
.sim-card:active { transform: scale(0.96); }
.sim-card.selected {
  border-color: var(--color-accent);
  background: #FFFBEB;
  box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.2);
}
.sim-card-icon { font-size: 2rem; margin-bottom: 6px; display: block; }
.sim-card-label { font-size: 0.88rem; font-weight: 700; color: var(--color-primary); display: block; }
.sim-card-sub { font-size: 0.7rem; color: var(--color-sub); display: block; margin-top: 2px; }

/* 800万以上のスライダー */
.sim-detail-slider {
  display: none;
  margin-top: 16px;
  padding: 16px;
  background: #fff;
  border-radius: 12px;
  border: 2px solid var(--color-accent);
}
.sim-detail-slider.active { display: block; animation: simStepIn 0.3s ease; }
.sim-detail-slider-label { font-size: 0.85rem; color: var(--color-sub); margin-bottom: 4px; }
.sim-detail-slider-value { font-size: 1.3rem; font-weight: 900; color: var(--color-primary); margin-bottom: 8px; }
.sim-detail-slider input[type="range"] {
  width: 100%; -webkit-appearance: none;
  height: 8px; background: #E5E7EB; border-radius: 4px; outline: none; margin-bottom: 12px;
}
.sim-detail-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 26px; height: 26px;
  background: var(--color-accent); border-radius: 50%; cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* チェック式（STEP4） */
.sim-check-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.sim-check-item {
  background: #FFFFFF;
  border: 2px solid #E5E7EB; border-radius: 12px;
  padding: 16px 18px; display: flex; align-items: center; gap: 12px;
  cursor: pointer; transition: all 0.2s;
}
.sim-check-item:hover { border-color: var(--color-accent); }
.sim-check-item.checked { border-color: var(--color-accent); background: #FFFBEB; }
.sim-check-icon {
  width: 24px; height: 24px; border: 2px solid #D1D5DB; border-radius: 6px;
  flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; transition: all 0.2s;
}
.sim-check-item.checked .sim-check-icon { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.sim-check-label { font-weight: 500; font-size: 0.95rem; }
.sim-detail-input { display: none; margin-top: 10px; padding: 0 0 0 36px; }
.sim-detail-input.active { display: block; }
.sim-detail-input label { font-size: 0.8rem; color: var(--color-sub); margin-bottom: 4px; display: block; }
.sim-detail-input input {
  width: 100%; padding: 10px 12px; border: 2px solid #D1D5DB;
  border-radius: 8px; font-family: inherit; font-size: 0.95rem;
}
.sim-detail-input input:focus { outline: none; border-color: var(--color-accent); }

/* ボタン */
.sim-btn-next {
  background: var(--color-accent); color: #fff; font-weight: 700;
  padding: 14px; border-radius: 10px; font-size: 1rem; width: 100%;
  margin-top: 16px; transition: background 0.2s; cursor: pointer;
}
.sim-btn-next:hover { background: var(--color-accent-hover); }
.sim-btn-skip {
  background: transparent; color: var(--color-sub); font-weight: 500;
  padding: 12px; font-size: 0.88rem; width: 100%; text-align: center;
  cursor: pointer; margin-top: 8px;
}
.sim-btn-skip:hover { color: var(--color-primary); }

/* === 結果画面 === */
.sim-result { display: none; flex-direction: column; align-items: center; padding: 20px 0 40px; text-align: center; }
.sim-result.active { display: flex; animation: simResultReveal 0.6s ease; }
@keyframes simResultReveal {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}
.sim-result-header {
  font-size: 0.9rem; font-weight: 700; color: var(--color-accent);
  margin-bottom: 16px; letter-spacing: 0.1em;
}

/* スコアボックス */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
.sim-score-box {
  background: linear-gradient(135deg, #D4714E 0%, #E8A735 100%);
  border-radius: 20px; padding: 32px 24px; width: 100%; color: #fff;
  position: relative; overflow: hidden; margin-bottom: 20px;
}
.sim-score-box::before {
  content: ''; position: absolute; top: -40px; right: -30px;
  width: 160px; height: 160px;
  background: radial-gradient(circle, rgba(212, 160, 23, 0.25) 0%, transparent 70%);
  border-radius: 50%;
}
.sim-score-box::after {
  content: ''; position: absolute; bottom: -50px; left: -20px;
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.sim-score-label { font-size: 0.82rem; opacity: 0.8; margin-bottom: 4px; position: relative; }
.sim-score-value {
  font-size: 3rem; font-weight: 900; line-height: 1.1; position: relative;
  color: #FFFFFF;
}
.sim-score-unit { font-size: 1rem; font-weight: 500; -webkit-text-fill-color: rgba(255,255,255,0.7); }
.sim-score-sub { font-size: 0.85rem; opacity: 0.85; margin-top: 8px; position: relative; }

/* お得ハイライト */
.sim-otoku-box {
  background: #FFFBEB;
  border: 2px solid var(--color-accent); border-radius: 14px;
  padding: 18px 20px; width: 100%; margin-bottom: 20px;
}
.sim-otoku-text { font-size: 0.92rem; font-weight: 700; color: var(--color-primary); line-height: 1.6; }
.sim-otoku-amount { font-size: 1.6rem; font-weight: 900; color: var(--color-accent-hover); }

/* 返礼品組み合わせ例 */
.sim-combo { width: 100%; text-align: left; margin-bottom: 20px; }
.sim-combo-title { font-size: 0.95rem; font-weight: 700; color: var(--color-primary); margin-bottom: 10px; text-align: center; }
@keyframes comboSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.sim-combo-item {
  background: #FFFFFF;
  border-radius: 10px; padding: 12px 16px;
  margin-bottom: 8px; display: flex; align-items: center; gap: 12px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  animation: comboSlideUp 0.4s ease both;
}
.sim-combo-icon { font-size: 1.5rem; flex-shrink: 0; }
.sim-combo-info { flex: 1; }
.sim-combo-name { font-size: 0.85rem; font-weight: 700; }
.sim-combo-meta { font-size: 0.75rem; color: var(--color-sub); }
.sim-combo-price { font-size: 0.85rem; font-weight: 700; color: var(--color-accent-hover); flex-shrink: 0; }
.sim-combo-remaining {
  text-align: center; font-size: 0.88rem; font-weight: 700; color: var(--color-success);
  margin-top: 8px; padding: 8px; background: #F0F7F3; border-radius: 8px; display: none;
}

/* CTA */
.sim-result-actions { width: 100%; display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.sim-btn-cta {
  background: var(--color-accent); color: #fff; font-weight: 700;
  padding: 14px; border-radius: 10px; font-size: 1rem; text-align: center;
  text-decoration: none; animation: pulse 2.5s ease-in-out infinite; display: block;
}
.sim-btn-cta:hover { background: var(--color-accent-hover); text-decoration: none; }
.sim-btn-ai {
  background: var(--color-primary); color: #fff; font-weight: 500;
  padding: 12px; border-radius: 10px; font-size: 0.92rem; text-align: center;
  cursor: pointer;
}
.sim-btn-ai:hover { background: #142d49; }
.sim-btn-restart { font-size: 0.82rem; color: var(--color-sub); text-align: center; padding: 12px; cursor: pointer; margin-top: 8px; }
.sim-btn-restart:hover { color: var(--color-primary); }

/* === AI分析レポート === */
.ai-report {
  width: 100%;
  text-align: left;
  margin-bottom: 20px;
  border-radius: 16px;
  overflow: hidden;
  background: #FFFFFF;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.ai-report-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #D4714E 0%, #E8A735 100%);
  color: #FFFFFF;
}

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(4px);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.ai-badge::before {
  content: '🤖';
  font-size: 0.85rem;
}

.ai-report-title {
  font-size: 0.95rem;
  font-weight: 700;
}

.ai-report-section {
  padding: 16px 20px;
  border-bottom: 1px solid #F0EDE8;
}

.ai-report-section:last-child {
  border-bottom: none;
}

.ai-section-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ai-report-recommend .ai-section-label::before { content: '🎯'; }
.ai-report-tips .ai-section-label::before { content: '💡'; }
.ai-report-caution .ai-section-label::before { content: '⚠️'; }

.ai-section-text {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text);
}

.ai-report-summary {
  background: linear-gradient(135deg, #FFFBF0 0%, #FFF8F0 100%);
}

.ai-report-summary .ai-section-text {
  font-weight: 500;
}

/* おすすめカテゴリ */
.ai-category-item {
  margin-bottom: 10px;
}

.ai-category-item:last-child {
  margin-bottom: 0;
}

.ai-category-tag {
  display: inline-block;
  background: var(--color-green-light);
  color: var(--color-green-dark);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  margin-bottom: 4px;
}

.ai-category-reason {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-text);
  padding-left: 4px;
}

/* コツリスト */
.ai-report-tips ul {
  list-style: none;
  padding: 0;
}

.ai-report-tips li {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-text);
  padding: 4px 0 4px 20px;
  position: relative;
}

.ai-report-tips li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

/* 注意セクション */
.ai-report-caution {
  background: #FFFBF0;
}

.ai-report-caution .ai-section-text {
  font-size: 0.85rem;
  color: var(--color-sub);
}

/* 返礼品カード改善 */
@keyframes cardSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.recommend-card {
  animation: cardSlideUp 0.45s ease both;
  transition: transform 0.2s, box-shadow 0.2s;
}
.recommend-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}
.recommend-card-badge {
  display: inline-block;
  background: var(--color-green-light);
  color: var(--color-green-dark);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 8px;
}
.recommend-card-value {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent-hover);
  margin-bottom: 6px;
}

/* --- レスポンシブ --- */
@media (min-width: 481px) {
  .hero-title { font-size: 2rem; }
  .sim-score-value { font-size: 3.4rem; }
}

@media (max-width: 480px) {
  .category-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .category-card { padding: 14px 8px; }
  .category-icon { font-size: 1.6rem; }
  .category-name { font-size: 0.78rem; }
  .hero { padding: 36px 16px 32px; }
  .hero-title { font-size: 1.35rem; }
  .range-wrapper { flex-wrap: wrap; }
  .range-value { width: 100%; text-align: left; }
  .sim-score-value { font-size: 2.6rem; }
}

/* --- prefers-reduced-motion --- */
@media (prefers-reduced-motion: reduce) {
  .hero { animation: none; }
  .hero .btn-primary { animation: none; }
  .sim-step.active { animation: none; }
  .sim-result.active { animation: none; }
  .sim-score-value { animation: none; }
  .sim-combo-item { animation: none; }
  .sim-btn-cta { animation: none; }
  .recommend-card { animation: none; }
  [data-animate] { opacity: 1; transform: none; transition: none; }
  .ai-report-section { opacity: 1 !important; transform: none !important; transition: none !important; }
}