/* =========================================================
   SelfCare Picks 図鑑 - 健康食品・サプリ・健康器具ランキング
   共通スタイルシート
   ========================================================= */

/* 配色は https://www.selfcare-picks.com/ の実際のデザイントークンに合わせています
   （light: background #fff6f8 / accent #ff6f91 / accent-2 #37b8a3 等、
   dark: background #241521 / accent #ff8caa / accent-2 #52d6bf 等） */
:root {
  --color-bg: #fff6f8;
  --color-surface: #ffffff;
  --color-surface-alt: #fdeef2;
  --color-text: #241a26;
  --color-text-muted: #8b6b7c;
  --color-primary: #ff6f91;
  --color-primary-dark: #c2395a;
  --color-primary-light: #ffe7ee;
  --color-accent: #37b8a3;
  --color-accent-dark: #1f8c7a;
  --color-border: #f0dce3;
  --color-badge: #ff6f91;
  --color-amazon: #ff9900;
  --color-rakuten: #bf0000;
  --color-yahoo: #ff0033;
  --color-pr: #fdf1de;
  --color-pr-text: #8a5a12;
  --shadow-card: 0 2px 10px rgba(36, 26, 38, 0.08);
  --shadow-card-hover: 0 6px 20px rgba(36, 26, 38, 0.12);
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-base: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", Meiryo, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #241521;
    --color-surface: #2e1b2a;
    --color-surface-alt: #3a2230;
    --color-text: #fdf1f6;
    --color-text-muted: #c9a7ba;
    --color-primary: #ff8caa;
    --color-primary-dark: #ffb3c9;
    --color-primary-light: #3a2230;
    --color-accent: #52d6bf;
    --color-accent-dark: #7fe6d3;
    --color-border: #4a2d40;
    --color-pr: #3a2e1a;
    --color-pr-text: #e0a94a;
    --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.35);
    --shadow-card-hover: 0 6px 20px rgba(0, 0, 0, 0.45);
  }
}

:root[data-theme="light"] {
  --color-bg: #fff6f8;
  --color-surface: #ffffff;
  --color-surface-alt: #fdeef2;
  --color-text: #241a26;
  --color-text-muted: #8b6b7c;
  --color-primary: #ff6f91;
  --color-primary-dark: #c2395a;
  --color-primary-light: #ffe7ee;
  --color-accent: #37b8a3;
  --color-accent-dark: #1f8c7a;
  --color-border: #f0dce3;
  --color-pr: #fdf1de;
  --color-pr-text: #8a5a12;
}

:root[data-theme="dark"] {
  --color-bg: #241521;
  --color-surface: #2e1b2a;
  --color-surface-alt: #3a2230;
  --color-text: #fdf1f6;
  --color-text-muted: #c9a7ba;
  --color-primary: #ff8caa;
  --color-primary-dark: #ffb3c9;
  --color-primary-light: #3a2230;
  --color-accent: #52d6bf;
  --color-accent-dark: #7fe6d3;
  --color-border: #4a2d40;
  --color-pr: #3a2e1a;
  --color-pr-text: #e0a94a;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-primary-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.wrapper {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- PR表記バナー ---------- */
.pr-banner {
  background: var(--color-pr);
  color: var(--color-pr-text);
  font-size: 1rem;
  text-align: center;
  padding: 10px 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---------- ヘッダー ---------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.logo-main {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  letter-spacing: 0.02em;
}

.logo-sub {
  font-size: 0.72rem;
  color: var(--color-text-muted);
}

.nav-toggle {
  display: none;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
  font-size: 0.94rem;
  font-weight: 600;
}

.main-nav a {
  color: var(--color-text);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-primary-dark);
}

@media (max-width: 720px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    font-size: 1.2rem;
    cursor: pointer;
  }

  .main-nav {
    display: none;
    width: 100%;
    order: 3;
  }

  .main-nav.is-open {
    display: block;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 10px 0;
    border-top: 1px solid var(--color-border);
  }

  .main-nav li {
    padding: 10px 4px;
    border-bottom: 1px solid var(--color-border);
  }
}

/* ---------- ヒーロー ---------- */
.hero {
  background: linear-gradient(180deg, var(--color-primary-light) 0%, var(--color-bg) 100%);
  padding: 48px 0 40px;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  margin: 0 0 12px;
  color: var(--color-primary-dark);
}

.hero p {
  max-width: 620px;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: 0.98rem;
}

/* ---------- カテゴリカード（トップページ） ---------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

@media (max-width: 680px) {
  .category-grid {
    grid-template-columns: 1fr;
  }
}

.category-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.category-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.category-card .icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.category-card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.category-card p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0 0 16px;
}

.category-card .cta {
  display: inline-block;
  font-weight: 700;
  color: var(--color-primary-dark);
}

.genre-link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.genre-link-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.92rem;
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: background 0.15s ease;
}

.genre-link-list a:hover {
  background: var(--color-primary-light);
}

.genre-link-list a::after {
  content: "→";
  font-weight: 400;
  color: var(--color-text-muted);
}

/* ---------- セクション見出し ---------- */
.section {
  padding: 40px 0;
}

.section-title {
  font-size: 1.4rem;
  margin: 0 0 6px;
  color: var(--color-primary-dark);
}

.section-lead {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  margin: 0 0 24px;
}

/* ---------- ランキング根拠ボックス ---------- */
.criteria-box {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
}

.criteria-box strong {
  color: var(--color-text);
}

/* ---------- 比較表（ランキング根拠の可視化） ---------- */
.compare-table-wrap {
  overflow-x: auto;
  margin: 0 0 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.compare-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 0.84rem;
  background: var(--color-surface);
}

.compare-table caption {
  caption-side: top;
  text-align: left;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding: 10px 14px 0;
}

.compare-table th,
.compare-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.compare-table thead th {
  background: var(--color-surface-alt);
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
}

.compare-table tbody th {
  font-weight: 700;
  white-space: nowrap;
}

.compare-table td.num {
  text-align: right;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.compare-table tbody tr:hover {
  background: var(--color-primary-light);
}

.evidence-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}

.evidence-tag.high { background: var(--color-primary-light); color: var(--color-primary-dark); }
.evidence-tag.mid { background: var(--color-pr); color: var(--color-pr-text); }
.evidence-tag.low { background: var(--color-surface-alt); color: var(--color-text-muted); }

/* ---------- ランキングカード ---------- */
.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.rank-card {
  position: relative;
  display: grid;
  grid-template-columns: 64px 96px 1fr;
  gap: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.rank-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 1.4rem;
  height: 96px;
}

.rank-badge span {
  font-size: 0.58rem;
  font-weight: 600;
  opacity: 0.85;
}

/* ---------- 商品画像（プレースホルダー） ---------- */
.rank-thumb {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.rank-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.rank-thumb.placeholder {
  color: var(--color-text-muted);
  font-size: 1.6rem;
}

@media (max-width: 620px) {
  .rank-card {
    grid-template-columns: 40px 60px 1fr;
    gap: 10px;
    padding: 14px;
  }
  .rank-badge {
    height: 60px;
    font-size: 1rem;
    border-radius: 8px;
  }
  .rank-badge span {
    font-size: 0.5rem;
  }
  .rank-thumb {
    width: 60px;
    height: 60px;
    border-radius: 8px;
  }
  .rank-thumb.placeholder {
    font-size: 1.1rem;
  }
}

.rank-brand {
  margin: 0 0 2px;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.rank-body h3 {
  margin: 0;
  font-size: 1.08rem;
  line-height: 1.4;
}

.rank-body h3 a {
  color: var(--color-text);
  text-decoration: none;
}

.rank-body h3 a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

.rank-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  margin: 0 0 6px;
}

.official-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.official-link:hover {
  border-color: var(--color-primary-dark);
  color: var(--color-primary-dark);
}

a.rank-thumb {
  transition: opacity 0.15s ease;
}

a.rank-thumb:hover {
  opacity: 0.85;
}

.rank-body .tagline {
  color: var(--color-text-muted);
  font-size: 0.86rem;
  margin: 0 0 10px;
}

.rank-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.84rem;
  margin-bottom: 14px;
}

.rank-meta dt {
  font-weight: 700;
  color: var(--color-text);
  display: inline;
}

.rank-meta dd {
  display: inline;
  margin: 0 0 0 4px;
  color: var(--color-text-muted);
}

.rank-meta .meta-item {
  background: var(--color-surface-alt);
  padding: 4px 10px;
  border-radius: 999px;
}

.buy-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.buy-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
  color: #fff !important;
  text-decoration: none !important;
  transition: opacity 0.15s ease;
}

.buy-btn:hover {
  opacity: 0.86;
}

.buy-btn.amazon { background: var(--color-amazon); color: #2b2b28 !important; }
.buy-btn.rakuten { background: var(--color-rakuten); }
.buy-btn.yahoo { background: var(--color-yahoo); }

.buy-btn.disabled {
  background: #cfcfcf !important;
  color: #7a7a7a !important;
  cursor: not-allowed;
  pointer-events: none;
  opacity: 0.7;
}
.buy-btn.disabled:hover { opacity: 0.7; }

.rank-thumb.disabled {
  opacity: 0.5;
  filter: grayscale(60%);
  cursor: default;
}

/* ---------- 内部リンク誘導ブロック ---------- */
.cross-links {
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: 24px 22px;
  margin: 40px 0;
}

.cross-links h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
}

.cross-links ul {
  margin: 0;
  padding-left: 1.2em;
}

.cross-links li {
  margin-bottom: 6px;
}

/* ---------- FAQ ---------- */
.faq-list details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 4px 18px;
  margin-bottom: 12px;
}

.faq-list summary {
  cursor: pointer;
  padding: 14px 0;
  font-weight: 700;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  font-size: 1.3rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list .faq-answer {
  padding: 0 0 16px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* ---------- 静的コンテンツページ（免責事項・PP等）---------- */
.doc-page h2 {
  font-size: 1.15rem;
  color: var(--color-primary-dark);
  margin-top: 32px;
}

.doc-page p,
.doc-page li {
  font-size: 0.94rem;
  color: var(--color-text);
}

.doc-page ul {
  padding-left: 1.3em;
}

.doc-updated {
  color: var(--color-text-muted);
  font-size: 0.82rem;
  margin-bottom: 32px;
}

/* ---------- お問い合わせ ---------- */
.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  max-width: 480px;
  margin: 24px auto;
}

.contact-card .mail-btn {
  display: inline-block;
  margin-top: 14px;
  background: var(--color-primary);
  color: #fff !important;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none !important;
}

/* ---------- フッター ---------- */
.site-footer {
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border);
  margin-top: 60px;
  padding: 40px 0 24px;
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-bottom: 24px;
}

.footer-grid h4 {
  color: var(--color-text);
  font-size: 0.9rem;
  margin: 0 0 10px;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-grid li {
  margin-bottom: 8px;
}

.asp-disclosure {
  border-top: 1px solid var(--color-border);
  padding-top: 18px;
  font-size: 0.78rem;
  line-height: 1.9;
}

.copyright {
  text-align: center;
  margin-top: 18px;
  font-size: 0.78rem;
}

/* ---------- モバイル全体の余白調整 ---------- */
@media (max-width: 620px) {
  .wrapper {
    padding: 0 14px;
  }
  .hero {
    padding: 32px 0 28px;
  }
  .section {
    padding: 28px 0;
  }
  .section-title {
    font-size: 1.2rem;
  }
  .criteria-box {
    padding: 14px 16px;
    font-size: 0.82rem;
  }
  .ranking-list {
    gap: 14px;
  }
  .rank-body h3 {
    font-size: 0.98rem;
  }
  .rank-body .tagline {
    font-size: 0.82rem;
  }
  .buy-btn {
    padding: 8px 12px;
    font-size: 0.78rem;
  }
}

/* ---------- ユーティリティ ---------- */
.breadcrumb {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 18px 0;
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.badge-disclaimer {
  display: inline-block;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 0.74rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

/* ---------- 商品紹介ページ（個別ページ） ---------- */
.product-hero {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin: 0 0 32px;
}

.product-hero-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
}

.product-hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-hero-info .product-brand {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin: 0 0 4px;
}

.product-hero-info h1 {
  margin: 0 0 10px;
  font-size: 1.5rem;
  color: var(--color-primary-dark);
}

.product-hero-info .product-price {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 16px;
}

.product-hero-info .product-price span {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.product-hero-info .rank-title-row {
  margin-bottom: 4px;
}

.product-hero-info .buy-buttons {
  margin-top: 14px;
}

@media (max-width: 620px) {
  .product-hero {
    grid-template-columns: 1fr;
  }
  .product-hero-photo {
    max-width: 220px;
    margin: 0 auto;
  }
}

.spec-table-wrap {
  overflow-x: auto;
  margin: 0 0 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.spec-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.spec-table th,
.spec-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 34%;
  background: var(--color-surface-alt);
  font-weight: 700;
  white-space: nowrap;
}

.spec-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin: -18px 0 32px;
}

.product-description p {
  margin: 0 0 16px;
  line-height: 1.9;
}

.feature-list {
  list-style: none;
  margin: 0 0 32px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.feature-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.92rem;
  line-height: 1.6;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  padding: 10px 14px;
}

.feature-list li::before {
  content: "✓";
  color: var(--color-accent-dark);
  font-weight: 700;
  flex-shrink: 0;
}

.review-summary {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 22px;
  margin: 0 0 32px;
}

.review-summary .review-caveat {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin: 0 0 16px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--color-border);
}

.review-summary h3 {
  font-size: 0.98rem;
  margin: 0 0 8px;
}

.review-summary ul {
  margin: 0 0 18px;
  padding-left: 1.2em;
}

.review-summary ul:last-of-type {
  margin-bottom: 0;
}

.review-summary li {
  margin-bottom: 6px;
  font-size: 0.88rem;
  line-height: 1.7;
}

.source-list {
  font-size: 0.76rem;
  color: var(--color-text-muted);
  margin: 14px 0 32px;
}

.source-list a {
  color: var(--color-text-muted);
}

.back-to-ranking {
  display: inline-block;
  margin: 0 0 28px;
  font-size: 0.86rem;
  color: var(--color-primary-dark);
}