/* =====================================================
   style.css — 楽天アフィリエイトサイト
   デザイン: 清潔感・信頼感・高CTR重視
   ===================================================== */

/* --- カラーパレット & トークン --- */
:root {
  --primary:    #BF0000;   /* 楽天レッド系・CTAに使用 */
  --primary-dk: #960000;
  --accent:     #FF6633;   /* ポイント・バッジ */
  --gold:       #F5A623;   /* 星・評価 */
  --bg:         #F8F8F8;
  --bg-white:   #FFFFFF;
  --text:       #222222;
  --text-sub:   #666666;
  --text-light: #999999;
  --border:     #E5E5E5;
  --shadow-sm:  0 2px 8px rgba(0,0,0,.08);
  --shadow-md:  0 4px 20px rgba(0,0,0,.12);
  --radius:     10px;
  --radius-sm:  6px;
  --font-base:  'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --transition: .2s ease;
}

/* --- リセット --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-base);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dk); }
img { max-width: 100%; height: auto; display: block; }

/* =====================================================
   ヘッダー
   ===================================================== */
.site-header {
  background: var(--bg-white);
  box-shadow: 0 2px 6px rgba(0,0,0,.08);
  position: sticky; top: 0; z-index: 100;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  height: 60px;
}
.site-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -.02em;
  white-space: nowrap;
}
.site-logo span { color: var(--text); }
.header-search {
  flex: 1;
  max-width: 500px;
  display: flex;
  gap: 0;
}
.header-search input {
  flex: 1;
  padding: 8px 14px;
  border: 2px solid var(--border);
  border-right: none;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  font-size: .9rem;
  outline: none;
  transition: border-color var(--transition);
}
.header-search input:focus { border-color: var(--primary); }
.header-search button {
  padding: 8px 16px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  transition: background var(--transition);
}
.header-search button:hover { background: var(--primary-dk); }
.header-nav { display: flex; gap: 4px; }
.header-nav a {
  font-size: .82rem;
  color: var(--text-sub);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.header-nav a:hover { background: #f3f3f3; color: var(--primary); }

/* =====================================================
   メインレイアウト
   ===================================================== */
.main-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 24px;
}
.main-content { min-width: 0; }
.sidebar { min-width: 0; }

/* =====================================================
   ヒーローバナー
   ===================================================== */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #FF4444 60%, var(--accent) 100%);
  border-radius: var(--radius);
  padding: 40px 32px;
  color: #fff;
  margin-bottom: 32px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  right: -60px; top: -60px;
  width: 260px; height: 260px;
  background: rgba(255,255,255,.08);
  border-radius: 50%;
}
.hero-label {
  display: inline-block;
  background: rgba(255,255,255,.2);
  border-radius: 100px;
  padding: 3px 12px;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .05em;
  margin-bottom: 10px;
}
.hero h1 { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 800; line-height: 1.3; margin-bottom: 10px; }
.hero p { font-size: .9rem; opacity: .9; max-width: 400px; }
.hero-cta {
  margin-top: 20px;
  display: inline-block;
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  padding: 10px 24px;
  border-radius: 100px;
  font-size: .9rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.hero-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,.2); color: var(--primary); }

/* =====================================================
   セクションヘッダー
   ===================================================== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.section-title {
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-title::before {
  content: '';
  display: inline-block;
  width: 4px; height: 1.1em;
  background: var(--primary);
  border-radius: 2px;
  flex-shrink: 0;
}
.see-all {
  font-size: .82rem;
  color: var(--text-sub);
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  transition: all var(--transition);
}
.see-all:hover { border-color: var(--primary); color: var(--primary); }

/* =====================================================
   商品カードグリッド (SEO・CTR最適化)
   ===================================================== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.product-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* バッジ */
.badge {
  position: absolute;
  top: 10px; left: 10px;
  z-index: 2;
  font-size: .7rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  line-height: 1;
}
.badge-sale   { background: var(--primary); color: #fff; }
.badge-new    { background: var(--accent);  color: #fff; }
.badge-point  { background: var(--gold);    color: #fff; }
.badge-rank   { background: #222;           color: #fff; }

/* 商品画像 */
.product-img-wrap {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #f5f5f5;
}
.product-img-wrap img {
  width: 100%; height: 100%;
  object-fit: contain;
  transition: transform .4s ease;
  padding: 8px;
}
.product-card:hover .product-img-wrap img { transform: scale(1.05); }

/* 商品情報 */
.product-info {
  padding: 12px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-shop {
  font-size: .7rem;
  color: var(--text-light);
  margin-bottom: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.product-name {
  font-size: .88rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.product-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 8px;
}
.stars { display: flex; gap: 1px; }
.star.full  { color: var(--gold); font-size: .8rem; }
.star.half  { color: var(--gold); font-size: .8rem; opacity: .6; }
.star.empty { color: #ddd;        font-size: .8rem; }
.rating-num { font-size: .78rem; font-weight: 700; color: var(--gold); }
.review-count { font-size: .7rem; color: var(--text-light); }

.product-price-area { margin-bottom: 10px; }
.product-price {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.product-point {
  font-size: .72rem;
  color: var(--accent);
  font-weight: 600;
  margin-top: 2px;
}

/* CTA ボタン — クリック率向上の核心 */
.btn-rakuten {
  display: block;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dk) 100%);
  color: #fff !important;
  text-align: center;
  padding: 13px 10px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .02em;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  border: none;
  cursor: pointer;
  width: 100%;
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}
.btn-rakuten:hover { transform: translateY(-1px); box-shadow: 0 5px 14px rgba(0,0,0,.26); filter: brightness(1.04); }
.btn-rakuten:active { transform: translateY(0); box-shadow: 0 2px 6px rgba(0,0,0,.2); }
.btn-rakuten::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.15), transparent);
  transition: left .4s;
}
.btn-rakuten:hover::before { left: 100%; }
.btn-rakuten:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(191,0,0,.3); }
.btn-rakuten:active { transform: translateY(0); }
.btn-rakuten .btn-sub { font-size: .68rem; font-weight: 400; opacity: .85; display: block; }

/* =====================================================
   カテゴリナビゲーション
   ===================================================== */
.category-nav {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.category-nav h2 { font-size: .9rem; font-weight: 700; margin-bottom: 14px; color: var(--text-sub); }
.category-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}
.category-list a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: .82rem;
  color: var(--text);
  transition: all var(--transition);
}
.category-list a:hover,
.category-list a.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* =====================================================
   サイドバー
   ===================================================== */
.sidebar-widget {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}
.widget-title {
  font-size: .95rem;
  font-weight: 800;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
  display: flex;
  align-items: center;
  gap: 6px;
}
/* ランキングリスト */
.rank-list { list-style: none; }
.rank-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--transition);
}
.rank-item:last-child { border-bottom: none; }
.rank-item:hover { background: var(--bg); border-radius: var(--radius-sm); }
.rank-no {
  font-size: .8rem;
  font-weight: 800;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
}
.rank-no.n1 { background: #FFD700; color: #7A5A00; }
.rank-no.n2 { background: #C0C0C0; color: #555; }
.rank-no.n3 { background: #CD7F32; color: #fff; }
.rank-no.other { background: var(--bg); color: var(--text-sub); }
.rank-img { width: 50px; height: 50px; object-fit: contain; border-radius: 4px; flex-shrink: 0; }
.rank-info { flex: 1; min-width: 0; }
.rank-name { font-size: .8rem; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.rank-price { font-size: .82rem; font-weight: 800; color: var(--primary); }

/* アフィリエイト表記ウィジェット */
.disclosure-widget {
  background: #FFF9F0;
  border: 1px solid #FFE4B5;
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 20px;
}
.disclosure-widget p {
  font-size: .75rem;
  color: #7A5A00;
  line-height: 1.6;
}

/* =====================================================
   商品詳細ページ
   ===================================================== */
.product-detail {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.product-detail-flex {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 32px;
  margin-bottom: 28px;
}
.product-main-img {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1;
}
.product-main-img img { width: 100%; height: 100%; object-fit: contain; padding: 16px; }
.product-detail-info {}
.product-detail-name { font-size: 1.2rem; font-weight: 700; line-height: 1.4; margin-bottom: 12px; }
.product-detail-shop { font-size: .82rem; color: var(--text-sub); margin-bottom: 12px; }
.product-detail-rating { margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.product-detail-price { font-size: 2rem; font-weight: 800; color: var(--primary); margin-bottom: 6px; }
.product-detail-point { font-size: .88rem; color: var(--accent); font-weight: 600; margin-bottom: 20px; }
.btn-rakuten-lg {
  display: block;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dk) 100%);
  color: #fff !important;
  text-align: center;
  padding: 16px;
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 12px;
  transition: all var(--transition);
}
.btn-rakuten-lg:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(191,0,0,.3); }
.btn-sub-text { font-size: .75rem; color: var(--text-light); text-align: center; }

/* =====================================================
   検索結果・フィルター
   ===================================================== */
.filter-bar {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-sm);
}
.filter-bar label { font-size: .82rem; color: var(--text-sub); white-space: nowrap; }
.filter-bar select {
  padding: 6px 28px 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .82rem;
  appearance: none;
  background: var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23999'/%3E%3C/svg%3E") no-repeat right 8px center;
  cursor: pointer;
  outline: none;
}
.result-count { margin-left: auto; font-size: .82rem; color: var(--text-sub); }

/* =====================================================
   ページネーション
   ===================================================== */
.pagination { display: flex; justify-content: center; margin: 32px 0; }
.pagination ul { display: flex; gap: 4px; list-style: none; }
.pagination a {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-white);
  border: 1px solid var(--border);
  font-size: .82rem;
  color: var(--text);
  transition: all var(--transition);
}
.pagination a.active,
.pagination a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.pagination .prev, .pagination .next { width: auto; padding: 0 12px; }
.pagination .ellipsis { padding: 0 8px; display: flex; align-items: center; color: var(--text-light); }

/* =====================================================
   フッター
   ===================================================== */
.site-footer {
  background: #1a1a1a;
  color: #aaa;
  margin-top: 60px;
  padding: 40px 0 20px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}
.footer-brand .brand-name { font-size: 1.1rem; font-weight: 800; color: #fff; margin-bottom: 8px; }
.footer-brand p { font-size: .78rem; line-height: 1.7; }
.footer-col h4 { font-size: .85rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 6px; }
.footer-col ul li a { font-size: .78rem; color: #888; transition: color var(--transition); }
.footer-col ul li a:hover { color: #fff; }
.footer-disclosure {
  border-top: 1px solid #333;
  padding-top: 20px;
  font-size: .72rem;
  line-height: 1.7;
  margin-bottom: 20px;
}
.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .72rem;
}
.footer-links { display: flex; gap: 16px; }
.footer-links a { color: #888; transition: color var(--transition); }
.footer-links a:hover { color: #fff; }

/* =====================================================
   ローディング
   ===================================================== */
.loading-spinner {
  display: flex;
  justify-content: center;
  padding: 40px;
}
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* =====================================================
   レスポンシブ
   ===================================================== */
@media (max-width: 960px) {
  .main-container { grid-template-columns: 1fr; }
  .sidebar { display: none; } /* モバイルではサイドバー非表示（下部に移動） */
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .header-inner { flex-wrap: wrap; height: auto; padding: 8px 12px; gap: 8px 12px; }
  .header-search { order: 2; }
  .header-nav {
    order: 3; flex-basis: 100%;
    display: flex; gap: 6px;
    overflow-x: auto; white-space: nowrap;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .header-nav::-webkit-scrollbar { display: none; }
  .product-detail-flex { grid-template-columns: 1fr; }
  .product-detail-flex .product-main-img { max-width: 260px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .hero { padding: 28px 20px; }
}
@media (max-width: 380px) {
  .product-grid { grid-template-columns: 1fr; }
}

/* =====================================================
   アクセシビリティ
   ===================================================== */
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* スキップリンク */
.skip-link {
  position: absolute;
  top: -50px; left: 0;
  background: var(--primary); color: #fff;
  padding: 8px 16px;
  z-index: 9999;
  border-radius: 0 0 4px 0;
}
.skip-link:focus { top: 0; }

/* =====================================================
   共通レイアウト・サブページ 追加スタイル
   ===================================================== */
.page-wrap { max-width:1200px; margin:0 auto; padding:24px 16px; }
.breadcrumb { max-width:1200px; margin:0 auto; padding:14px 16px 0; font-size:13px; color:#888; }
.breadcrumb a { color:var(--primary); text-decoration:none; }
.breadcrumb a:hover { text-decoration:underline; }
.breadcrumb span { margin:0 6px; color:#bbb; }

.page-title { font-size:1.8rem; font-weight:800; margin:0 0 6px; }
.page-sub { color:#666; margin:0 0 20px; }

/* 検索 */
.search-hero { text-align:center; padding:12px 0 24px; }
.search-form-lg { max-width:640px; margin:0 auto; }
.search-box-lg { display:flex; border:2px solid var(--primary); border-radius:50px; overflow:hidden; background:#fff; }
.search-input-lg { flex:1; padding:14px 20px; font-size:16px; border:none; outline:none; }
.search-submit-lg { padding:0 28px; background:var(--primary); color:#fff; border:none; font-weight:700; cursor:pointer; }
.search-submit-lg:hover { background:#a30000; }
.search-filters { display:flex; gap:12px; justify-content:center; margin-top:14px; flex-wrap:wrap; }
.filter-select { padding:8px 14px; border:1px solid #ddd; border-radius:8px; background:#fff; font-size:14px; }
.results-bar { margin:0 0 16px; font-size:15px; color:#555; }
.browse-section { padding:8px 0; }
.category-tiles { display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:12px; margin-top:16px; }
.category-tile { display:flex; align-items:center; justify-content:center; padding:20px; background:#f8f8f8; border-radius:12px; text-align:center; font-weight:600; color:var(--text); text-decoration:none; border:2px solid transparent; transition:all .2s; }
.category-tile:hover { background:var(--primary-light,#fff0f0); border-color:var(--primary); color:var(--primary); }

/* ランキング */
.ranking-head { padding:4px 0 12px; }
.period-tabs { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:16px; }
.period-tab { padding:8px 22px; border-radius:50px; border:2px solid #ddd; text-decoration:none; color:#555; font-weight:600; transition:all .2s; }
.period-tab.active, .period-tab:hover { background:var(--primary); color:#fff; border-color:var(--primary); }
.genre-filter { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:24px; }
.genre-chip { padding:6px 16px; border-radius:20px; background:#f5f5f5; text-decoration:none; font-size:13px; color:#555; transition:all .2s; }
.genre-chip.active, .genre-chip:hover { background:var(--primary); color:#fff; }

/* 汎用ボタン */
.btn-outline { display:inline-block; padding:12px 20px; border:2px solid var(--primary); color:var(--primary); background:#fff; border-radius:8px; font-weight:700; text-decoration:none; text-align:center; transition:all .2s; }
.btn-outline:hover { background:var(--primary); color:#fff; }

/* 空状態 */
.empty-state { text-align:center; padding:60px 20px; }
.empty-icon { font-size:48px; margin:0 0 12px; }
.empty-state h2 { font-size:1.3rem; margin:0 0 10px; }
.empty-state p { color:#666; }

/* サブページ記事 */
.page-container { max-width:820px; margin:0 auto; padding:24px 16px; }
.page-article h1 { font-size:1.8rem; font-weight:800; margin:0 0 8px; }
.page-article h2 { font-size:1.25rem; font-weight:700; margin:28px 0 10px; padding-bottom:6px; border-bottom:2px solid #f0f0f0; }
.page-article p { line-height:1.8; margin:0 0 12px; color:#333; }
.page-article ul { margin:0 0 16px; padding-left:22px; line-height:1.9; }
.page-article a { color:var(--primary); }
.update-date { color:#999; font-size:13px; margin-bottom:20px; }

/* フォーム（お問い合わせ） */
.contact-form { max-width:600px; }
.form-group { margin-bottom:18px; }
.form-group label { display:block; font-weight:600; margin-bottom:6px; }
.required { color:var(--primary); }
.form-control { width:100%; padding:11px 14px; border:2px solid #ddd; border-radius:8px; font-size:15px; box-sizing:border-box; font-family:inherit; transition:border-color .2s; }
.form-control:focus { outline:none; border-color:var(--primary); }
.char-hint { font-size:12px; color:#999; }
.privacy-note { font-size:13px; color:#555; background:#f9f9f9; padding:12px 16px; border-radius:8px; margin:0 0 18px; }
.form-success { text-align:center; padding:48px 20px; background:#f0fdf4; border-radius:12px; }
.success-icon { font-size:48px; margin:0 0 12px; }
.form-errors { background:#fee2e2; border:1px solid #fca5a5; border-radius:8px; padding:14px 18px; margin-bottom:20px; }
.form-errors ul { margin:0; padding-left:20px; color:#991b1b; }

/* エラーページ */
.error-page { text-align:center; padding:48px 16px; }
.error-code { font-size:110px; font-weight:900; color:var(--primary); opacity:.14; line-height:1; }
.error-title { font-size:1.7rem; font-weight:800; margin-top:-14px; }
.error-msg { color:#666; margin:14px auto; max-width:460px; line-height:1.7; }
.error-actions { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; margin:24px 0; }
.error-suggest { margin-top:40px; text-align:left; }

/* =====================================================
   カテゴリ独自コンテンツ（紹介文・選び方ガイド）
   ===================================================== */
.category-intro {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 20px;
  margin-bottom: 20px;
  font-size: .92rem;
  line-height: 1.9;
  color: var(--text);
}
.category-intro p { margin: 0; }

.buying-guide {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  margin: 28px 0 8px;
}
.buying-guide h2 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0 0 16px;
  padding-left: 12px;
  border-left: 5px solid var(--g-main, var(--primary));
}
.buying-guide ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.buying-guide li { position: relative; padding-left: 28px; line-height: 1.75; font-size: .9rem; }
.buying-guide li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--g-main, var(--primary)); font-weight: 800; }
.buying-guide li b { display: block; font-weight: 700; margin-bottom: 2px; color: var(--text); }
.buying-guide li span { color: var(--text-sub); }

/* =====================================================
   トップ見出しの一文 / カテゴリ→ガイド導線 / ガイドページ
   ===================================================== */
/* トップページ：カテゴリ見出し下の一文 */
.section-lead { margin: -4px 0 14px; font-size: .86rem; color: var(--text-sub); line-height: 1.7; }

/* カテゴリページ：選び方ガイドへのリンクボックス */
.guide-link-box {
  display: flex; align-items: center; gap: 14px;
  margin: 26px 0 8px; padding: 16px 20px;
  background: var(--g-light, #f3f3f3);
  border: 1px solid var(--border); border-left: 5px solid var(--g-main, var(--primary));
  border-radius: 12px; color: var(--text); transition: all var(--transition);
}
.guide-link-box:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.1); }
.guide-link-icon { font-size: 1.8rem; line-height: 1; }
.guide-link-text { flex: 1; display: flex; flex-direction: column; }
.guide-link-text b { font-size: .98rem; color: var(--g-main, var(--primary)); }
.guide-link-text small { font-size: .8rem; color: var(--text-sub); margin-top: 2px; }
.guide-link-arrow { font-size: 1.3rem; color: var(--g-main, var(--primary)); font-weight: 800; }

/* ガイド記事ページ */
.guide-article { background:#fff; border:1px solid var(--border); border-radius:14px; padding:30px 30px; }
.guide-head { display:flex; align-items:center; gap:12px; margin-bottom:14px; }
.guide-head-icon { font-size:2.2rem; line-height:1; }
.guide-article h1 { font-size:1.55rem; font-weight:800; margin:0; line-height:1.4; }
.guide-lead { font-size:.96rem; line-height:1.95; color:var(--text); margin:0 0 26px; }
.guide-h2 { font-size:1.2rem; font-weight:800; margin:30px 0 16px; padding-left:12px; border-left:5px solid var(--g-main, var(--primary)); }
.guide-points { display:grid; gap:16px; }
.guide-point { background:var(--g-light, #f8f9fa); border-radius:10px; padding:16px 18px; }
.guide-point h3 { display:flex; align-items:center; gap:10px; font-size:1rem; font-weight:700; margin:0 0 6px; }
.guide-point-no { display:inline-flex; align-items:center; justify-content:center; width:24px; height:24px; border-radius:50%; background:var(--g-main, var(--primary)); color:#fff; font-size:.82rem; font-weight:800; flex-shrink:0; }
.guide-point p { margin:0; font-size:.9rem; line-height:1.85; color:var(--text-sub); }
.guide-checklist { list-style:none; margin:0; padding:0; display:grid; gap:10px; }
.guide-checklist li { position:relative; padding:10px 12px 10px 40px; background:var(--g-light, #f8f9fa); border-radius:8px; font-size:.9rem; }
.guide-checklist li::before { content:"✓"; position:absolute; left:14px; top:50%; transform:translateY(-50%); color:var(--g-main, var(--primary)); font-weight:800; }
.guide-cta { margin-top:28px; padding:22px; background:var(--g-light, #f3f3f3); border-radius:12px; text-align:center; }
.guide-cta p { margin:0 0 12px; font-size:.92rem; color:var(--text); }
.guide-cta-btn { display:inline-block; background:linear-gradient(180deg, var(--g-main, var(--primary)), var(--g-accent, var(--primary-dk))); color:#fff !important; font-weight:700; padding:13px 26px; border-radius:10px; font-size:.95rem; box-shadow:0 2px 8px rgba(0,0,0,.18); transition:all var(--transition); }
.guide-cta-btn:hover { transform:translateY(-1px); box-shadow:0 5px 14px rgba(0,0,0,.26); filter:brightness(1.05); }
.guide-more { margin-top:28px; }
.guide-more-links { display:flex; flex-wrap:wrap; gap:8px; }
.guide-more-links a { font-size:.84rem; padding:6px 12px; border:1px solid var(--border); border-radius:20px; color:var(--text-sub); transition:all var(--transition); }
.guide-more-links a:hover { color:var(--g-main, var(--primary)); border-color:var(--g-main, var(--primary)); }

/* ガイド一覧（ハブ） */
.guide-index { display:grid; grid-template-columns:repeat(auto-fill, minmax(200px,1fr)); gap:12px; }
.guide-index-card { display:flex; align-items:center; gap:12px; padding:16px 18px; background:#fff; border:1px solid var(--border); border-radius:12px; color:var(--text); font-weight:700; font-size:.92rem; transition:all var(--transition); }
.guide-index-card:hover { transform:translateY(-2px); box-shadow:0 4px 12px rgba(0,0,0,.1); border-color:var(--primary); }
.guide-index-icon { font-size:1.6rem; line-height:1; }
@media (max-width: 640px) {
  .guide-article { padding:22px 18px; }
  .guide-article h1 { font-size:1.3rem; }
}