/* SELECTED BY 共通デザイン(トップ・ブランド・法務ページ)。Luxury / Minimal / Sharp / Trust / Editorial。
   イヤホン特集(compare.css / lp.css / women.css)とは独立。角丸は0(必要最小限でも2px)、アクセントカラーは使わない。 */
:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #666666;
  --border: #e5e5e5;
  --surface: #f7f7f7;
  --cta-bg: #111111;
  --cta-text: #ffffff;
  --radius: 0;
  --radius-sm: 2px;
  --font-sans: "Inter", "Noto Sans JP", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Cormorant Garamond", "Times New Roman", serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }
img { max-width: 100%; height: auto; }

main { max-width: 1080px; margin: 0 auto; padding: 0 20px 80px; }
h1, h2, h3 { font-weight: 500; line-height: 1.4; }
h1 { font-size: clamp(1.4rem, 4vw, 1.9rem); letter-spacing: 0.02em; margin: 20px 0 12px; }
h2 { font-size: 1rem; letter-spacing: 0.06em; margin: 0 0 16px; }
h3 { font-size: 0.9rem; letter-spacing: 0.04em; }
.lead { font-size: 0.88rem; color: var(--muted); max-width: 720px; margin: 0 0 8px; }

/* ヘッダー */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 20px;
  /* 黒背景・白文字。背景は左右の余白まで全幅に広げる */
  background: var(--text);
  border-bottom: 1px solid var(--text);
  box-shadow: 0 0 0 100vmax var(--text);
  clip-path: inset(0 -100vmax);
}
.site-header__logo { display: block; line-height: 0; }
.site-header__logo img { display: block; height: 16px; width: auto; }
.site-header { flex-wrap: wrap; }
.site-nav { display: flex; flex-wrap: wrap; gap: 6px 22px; width: 100%; }
.site-nav a { font-size: 0.74rem; font-weight: 500; letter-spacing: 0.14em; text-decoration: none; text-transform: uppercase; color: #fff; }
.site-nav a:hover { opacity: 0.7; }
.site-header a:focus-visible { outline-color: #fff; }

/* ヒーロー */
.hero { padding: 64px 0 56px; border-bottom: 1px solid var(--border); }
.hero__eyebrow { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.24em; text-transform: uppercase; color: var(--muted); margin: 0 0 20px; }
.hero__title { font-family: var(--font-serif); font-weight: 400; font-size: clamp(2.6rem, 9vw, 4.6rem); line-height: 1.05; letter-spacing: 0.01em; margin: 0 0 28px; }
.hero__sub { font-size: 1rem; font-weight: 500; letter-spacing: 0.06em; margin: 0 0 12px; }
.hero__lead { font-size: 0.82rem; color: var(--muted); max-width: 520px; margin: 0; }

/* セクション */
.home-section { margin: 56px 0; }
.section-eyebrow { font-size: 0.68rem; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; }
.home-section h2 { margin-bottom: 20px; }
.home-section__title-serif { font-family: var(--font-serif); font-weight: 400; font-size: 1.9rem; letter-spacing: 0.02em; line-height: 1.2; }
.home-section__more { font-size: 0.8rem; margin: 16px 0 0; }
.home-section__more a { text-decoration: none; border-bottom: 1px solid var(--text); padding-bottom: 2px; }

/* ブランド一覧(名前中心) */
.brand-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.brand-card { display: flex; flex-direction: column; gap: 2px; background: var(--bg); padding: 28px 18px; text-decoration: none; }
.brand-card:hover { background: var(--surface); }
.brand-card__name { font-size: 1rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; }
.brand-card__kana { font-size: 0.72rem; color: var(--muted); }
.brand-card__genre { font-size: 0.7rem; color: var(--muted); margin-top: 10px; }

.chip-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; }
.chip-list a { display: inline-block; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 18px; font-size: 0.8rem; letter-spacing: 0.04em; text-decoration: none; }
.chip-list a:hover { background: var(--text); border-color: var(--text); color: var(--cta-text); }

/* 特集(Editorial) */
.content-card { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; padding: 22px 0; border-top: 1px solid var(--border); text-decoration: none; }
.content-card:last-of-type { border-bottom: 1px solid var(--border); }
.content-card:hover .content-card__title { text-decoration: underline; text-underline-offset: 4px; }
.content-card__tag { font-size: 0.66rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); width: 100%; }
.content-card__title { font-size: 1rem; font-weight: 500; letter-spacing: 0.03em; }
.content-card__text { font-size: 0.78rem; color: var(--muted); }

.features h3 { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.features ul { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--border); }
.features li { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 0.84rem; }

/* ブランド一覧ページ */
.gyo-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0; }
.gyo-nav a, .gyo-nav span { width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 0.85rem; text-decoration: none; }
.gyo-nav a:hover { background: var(--text); border-color: var(--text); color: var(--cta-text); }
.gyo-nav span { color: #c8c8c8; background: var(--surface); }
.brand-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--border); }
.brand-list li { border-bottom: 1px solid var(--border); }
.brand-list a { display: block; padding: 14px 4px; text-decoration: none; font-size: 0.85rem; }
.brand-list a:hover { background: var(--surface); }
.brand-list strong { font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; }
.brand-list span { display: block; font-size: 0.74rem; color: var(--muted); }

/* ブランドページ */
.breadcrumb { font-size: 0.72rem; color: var(--muted); margin: 20px 0 0; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--text); }
.price-note { font-size: 0.74rem; color: var(--muted); background: var(--surface); padding: 10px 14px; margin: 16px 0 8px; max-width: 720px; }
.type-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 0; }
.type-nav a { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 16px; font-size: 0.8rem; letter-spacing: 0.04em; text-decoration: none; }
.type-nav a:hover { background: var(--text); border-color: var(--text); color: var(--cta-text); }

.brand-deals, .brand-picks, .brand-lines { margin: 48px 0 0; padding-top: 24px; border-top: 1px solid var(--border); }
.brand-deals { border-top-color: var(--text); }
.brand-facts, .brand-guide { margin: 48px 0 0; padding-top: 24px; border-top: 1px solid var(--border); max-width: 720px; }
.brand-picks__rule { font-size: 0.74rem; color: var(--muted); margin: 0 0 12px; max-width: 720px; }
.brand-picks__caution { font-size: 0.78rem; background: var(--surface); border-left: 2px solid var(--text); padding: 12px 14px; margin: 0 0 20px; max-width: 720px; }
.brand-facts dl { margin: 0; border-top: 1px solid var(--border); }
.brand-facts dl > div { display: flex; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 0.85rem; }
.brand-facts dt { width: 7em; flex-shrink: 0; color: var(--muted); }
.brand-facts dd { margin: 0; }
.brand-facts__src { font-size: 0.72rem; color: var(--muted); margin: 10px 0 0; }
.brand-facts__src a { color: var(--muted); }
.brand-guide h3 { margin: 18px 0 4px; }
.brand-guide p { font-size: 0.85rem; margin: 0; }
.brand-lines ul { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--border); max-width: 720px; }
.brand-lines li { padding: 12px 0; border-bottom: 1px solid var(--border); font-size: 0.85rem; }
.brand-lines strong { font-weight: 500; }
.brand-lines span, .brand-lines em { display: block; font-size: 0.74rem; color: var(--muted); font-style: normal; }

/* 商品カード(画像を主役に、縦型) */
.pick-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 14px; }
.pick { display: flex; flex-direction: column; min-width: 0; }
.pick__link { display: block; flex: 1; color: inherit; text-decoration: none; }
.pick__img { display: block; width: 100%; aspect-ratio: 1 / 1; object-fit: contain; background: var(--surface); padding: 12px; }
.pick__body { padding: 14px 0 0; }
.pick__brand { font-size: 0.66rem; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 0; }
.pick__line { letter-spacing: 0.04em; text-transform: none; }
.pick__name { font-size: 0.82rem; font-weight: 500; line-height: 1.55; margin: 2px 0 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pick__price { font-size: 1.1rem; font-weight: 600; letter-spacing: 0.01em; margin: 0 0 4px; }
.pick__reg { font-size: 0.72rem; font-weight: 400; color: var(--muted); text-decoration: line-through; margin-left: 8px; }
.pick__badges { display: flex; flex-wrap: wrap; gap: 4px; margin: 0 0 6px; }
.badge { font-size: 0.66rem; font-weight: 500; letter-spacing: 0.06em; padding: 1px 6px; border: 1px solid var(--text); border-radius: var(--radius-sm); color: var(--text); }
.badge--off { background: var(--text); color: var(--cta-text); }
.badge--ended { border-color: var(--border); border-style: dashed; color: var(--muted); }
.pick__pt { font-size: 0.74rem; color: var(--muted); margin: 0 0 8px; line-height: 1.6; }
.pick__net { font-weight: 500; color: var(--text); }
.pick__meta { font-size: 0.72rem; color: var(--muted); margin: 0 0 6px; }
.pick__note { font-size: 0.72rem; color: var(--muted); line-height: 1.6; margin: 0 0 12px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.cta {
  display: block;
  margin-top: auto;
  padding: 12px 8px;
  background: var(--cta-bg);
  color: var(--cta-text);
  border: 1px solid var(--cta-bg);
  border-radius: var(--radius);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-align: center;
  text-decoration: none;
}
.cta:hover { background: var(--bg); color: var(--text); }

/* フッター */
.site-footer { border-top: 1px solid var(--border); margin-top: 24px; padding: 40px 20px 56px; }
.site-footer > * { max-width: 1080px; margin-left: auto; margin-right: auto; }
.brand-disclaimer { font-size: 0.74rem; margin-top: 0; margin-bottom: 8px; }
.pr-notice { font-size: 0.74rem; color: var(--muted); margin-top: 0; margin-bottom: 8px; }
.fetched-at { font-size: 0.72rem; color: var(--muted); margin-top: 0; margin-bottom: 8px; }
.legal-links { font-size: 0.72rem; margin-top: 16px; margin-bottom: 8px; }
.legal-links a { color: var(--muted); }

/* 法務ページ(プライバシーポリシー・運営者情報) */
.doc { max-width: 680px; margin: 0 auto; padding: 32px 20px 80px; }
.doc h1 { margin: 0 0 24px; }
.doc h2 { font-size: 0.95rem; margin: 32px 0 10px; }
.doc p, .doc li { font-size: 0.86rem; }
.doc ul { padding-left: 20px; }
.doc li { margin-bottom: 6px; }
.doc a { text-decoration: underline; text-underline-offset: 3px; }
.doc__meta { color: var(--muted); font-size: 0.78rem; margin-top: 40px; border-top: 1px solid var(--border); padding-top: 16px; }

[hidden] { display: none !important; }

/* 並び替え・絞り込み */
.listing-controls { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px 18px; margin: 24px 0 8px; padding: 16px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.listing-field { display: flex; flex-direction: column; gap: 4px; font-size: 0.7rem; color: var(--muted); letter-spacing: 0.06em; }
.listing-field select { font: inherit; font-size: 0.82rem; color: var(--text); letter-spacing: 0; min-width: 9em; max-width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); }
.listing-check { display: flex; align-items: center; gap: 6px; font-size: 0.8rem; padding-bottom: 8px; }
.listing-reset { font: inherit; font-size: 0.78rem; color: var(--muted); background: none; border: 0; border-bottom: 1px solid var(--muted); padding: 0 0 2px; margin-bottom: 9px; cursor: pointer; }
.listing-reset:hover { color: var(--text); border-color: var(--text); }
.listing-count { width: 100%; font-size: 0.74rem; color: var(--muted); margin: 0; }
.listing-controls + .brand-deals, .listing-controls + .pick-cards, .listing-controls + .listing-group { margin-top: 24px; }
.listing-group { margin-top: 40px; }

/* カテゴリページ */
.cat-summary { margin: 32px 0 0; }
.cat-summary__scroll { overflow-x: auto; }
.cat-summary table { width: 100%; border-collapse: collapse; font-size: 0.82rem; white-space: nowrap; }
.cat-summary th, .cat-summary td { text-align: left; padding: 10px 14px 10px 0; border-bottom: 1px solid var(--border); font-weight: 400; }
.cat-summary thead th { font-size: 0.7rem; letter-spacing: 0.08em; color: var(--muted); border-bottom-color: var(--text); }
.cat-summary tbody th { font-weight: 500; letter-spacing: 0.06em; }
.cat-summary a { text-decoration: none; border-bottom: 1px solid var(--border); }
@media (max-width: 559px) {
  .cat-summary .cat-hide-sm { display: none; }
  .cat-summary table { font-size: 0.74rem; white-space: normal; }
  .cat-summary th, .cat-summary td { padding-right: 8px; }
}
.rule-list { list-style: none; padding: 0; margin: 0 0 16px; border-top: 1px solid var(--border); max-width: 720px; }
.rule-list li { padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 0.82rem; }
.rule-list a { font-weight: 500; letter-spacing: 0.06em; text-decoration: none; border-bottom: 1px solid var(--border); }
.price-range { font-size: 0.82rem; margin: 0 0 4px; }
.brand-related { margin: 48px 0 0; padding-top: 24px; border-top: 1px solid var(--border); }

@media (min-width: 760px) {
  .site-nav { width: auto; gap: 6px 26px; }
  .brand-grid { grid-template-columns: repeat(3, 1fr); }
  .pick-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 24px; }
  .hero { padding: 104px 0 88px; }
  .home-section { margin: 80px 0; }
  .site-header { padding-top: 24px; padding-bottom: 24px; }
  .site-header__logo img { height: 18px; }
  .site-nav a { font-size: 0.76rem; }
}