:root {
  --bg: #f7f7f5;
  --text: #222222;
  --muted: #5b5f63;
  --body: #43474b;
  --navy: #24445c;
  --footer: #1f3a4e;
  --footer-line: #3a566b;
  --accent: #d98b45;
  --cat: #8a4f17;
  --line: #e4e2dc;
  --line-strong: #d9d6cc;
  --white: #ffffff;
  --sand-bg: #f0e9dc;
  --max: 1240px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 16px;
  line-height: 1.8;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.kicker {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cat);
}
h1, h2, h3, p { overflow-wrap: anywhere; }

/* header */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 40;
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px 32px;
}
.brand {
  display: flex;
  flex-direction: column;
  line-height: 1;
  padding: 12px 0;
  flex: 0 0 auto;
}
.brand img { height: 22px; width: auto; }
.brand-bar {
  display: block;
  width: 44px;
  height: 3px;
  background: var(--accent);
  margin-top: 6px;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 28px;
  font-size: 15px;
  font-weight: 500;
}
.nav a { padding: 12px 0; }
.nav a:hover { color: var(--navy); }
.nav a.is-current {
  color: var(--navy);
  font-weight: 700;
  box-shadow: inset 0 -2px 0 var(--accent);
}
.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--navy);
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
.menu-btn { display: none; }
.header-tools { display: flex; align-items: center; }

/* hero */
.hero { padding: 40px 0 56px; }
.lede {
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--muted);
}
.lede .sep { margin: 0 10px; color: #c9c6bd; }
.hero-grid { display: flex; flex-wrap: wrap; gap: 40px; }
.feature { flex: 1.5 1 560px; min-width: 0; display: block; }
.feature h1 {
  margin: 6px 0 10px;
  font-size: 28px;
  line-height: 1.5;
  font-weight: 700;
}
.feature p { margin: 0 0 10px; color: var(--body); }
.meta { font-size: 13px; color: var(--muted); }
.cat {
  font-size: 13px;
  color: var(--cat);
  font-weight: 700;
}
.cat-row { margin-top: 20px; display: flex; align-items: center; gap: 12px; font-size: 13px; }
.side-list { flex: 1 1 340px; min-width: 0; display: flex; flex-direction: column; }
.side-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.side-item .ttl { font-size: 16px; line-height: 1.6; font-weight: 700; margin: 2px 0 4px; }

.ph {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #6b6558;
  border-radius: 8px;
  padding: 8px;
}
.ph-16 { aspect-ratio: 16 / 9; font-size: 14px; }
.ph-32 { aspect-ratio: 3 / 2; font-size: 12.5px; }
.ph-43 { aspect-ratio: 4 / 3; font-size: 12px; border-radius: 6px; }
.ph-11 { aspect-ratio: 1 / 1; font-size: 13px; border-radius: 0; }
.ph.has-photo { padding: 0; overflow: hidden; position: relative; }
.ph.has-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.tint-sand { background: #e9dfd2; }
.tint-blue { background: #dce6ec; }
.tint-sage { background: #e2e8db; }
.tint-rose { background: #ebdfdf; }
.tint-slate { background: #e0e3ea; }
.tint-mustard { background: #efe3c4; }
.thumb-128 { flex: 0 0 128px; }
.thumb-160 { flex: 0 0 160px; }
.thumb-168 { flex: 0 0 168px; }
.thumb-84 { flex: 0 0 84px; }

a.hv:hover .ttl { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; }
a.lk:hover { text-decoration: underline; text-underline-offset: 3px; }

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}
.section-head h2, .block-title {
  margin: 0;
  font-size: 22px;
  line-height: 1.5;
}
.more { font-size: 14px; color: var(--navy); }
.more:hover { text-decoration: underline; text-underline-offset: 3px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 28px 24px;
}
.card .cat { display: block; margin-top: 12px; font-size: 12.5px; }
.card .ttl { font-size: 16px; line-height: 1.6; font-weight: 700; margin: 2px 0 6px; }
.card .meta, .desc { font-size: 12.5px; color: var(--muted); }
.card .desc { font-size: 14px; line-height: 1.7; margin-bottom: 6px; }

.band { background: var(--sand-bg); padding: 64px 0; }
.band-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px 32px;
  margin-bottom: 28px;
}
.band-head h2 { margin: 2px 0 0; font-size: 26px; line-height: 1.5; }
.band-head p { margin: 0; font-size: 15px; color: var(--body); max-width: 460px; }
.band-grid { display: flex; flex-wrap: wrap; gap: 40px; }
.band-feature { flex: 1.2 1 480px; min-width: 0; }
.band-feature h3 { margin: 2px 0 8px; font-size: 22px; line-height: 1.55; }
.band-feature .cat { display: block; margin-top: 16px; }
.mini-grid {
  flex: 1 1 420px;
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 24px;
  align-content: start;
}
.mini-grid .ttl { font-size: 15px; line-height: 1.6; font-weight: 700; margin: 10px 0 4px; }

.products { padding: 72px 0; }
.products .section-head { margin-bottom: 8px; }
.note { margin: 0 0 28px; font-size: 15px; color: var(--muted); }
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 28px 24px;
}
.product {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.product-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.tag {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 700;
  color: var(--navy);
  background: #e6edf1;
  border-radius: 4px;
  padding: 1px 8px;
}
.product .ttl { font-size: 16px; line-height: 1.6; font-weight: 700; margin: 10px 0 12px; }
.cta { margin-top: auto; font-size: 14px; font-weight: 700; color: var(--navy); }

.check {
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 64px 0;
}
.check-grid { display: flex; flex-wrap: wrap; gap: 32px 64px; }
.check-lead { flex: 1 1 280px; min-width: 0; }
.check-lead h2 { margin: 2px 0 12px; font-size: 26px; line-height: 1.5; }
.check-lead p { margin: 0; font-size: 15px; color: var(--body); }
.q-list {
  flex: 2 1 520px;
  min-width: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 0 40px;
}
.q-list li { border-top: 1px solid var(--line); }
.q-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
}
.q-mark {
  flex: 0 0 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-family: Archivo, "Noto Sans JP", sans-serif;
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.q-link .ttl { display: block; font-size: 16px; font-weight: 700; line-height: 1.6; }
.q-link .meta { display: block; font-size: 12.5px; }
.arrow { color: var(--navy); }

.cats { padding: 72px 0 24px; }
.cats h2 { margin: 0 0 24px; }
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.cat-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.cat-card strong { display: block; font-size: 17px; }
.cat-card span { display: block; font-size: 13.5px; color: var(--muted); line-height: 1.7; margin-top: 2px; }
.cat-card svg { flex: 0 0 32px; }

.latest { padding: 56px 0 72px; }
.latest .section-head { margin-bottom: 8px; }
.latest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(440px, 1fr));
  gap: 0 48px;
}
.latest-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}
.latest-item .ttl { font-size: 16px; line-height: 1.6; font-weight: 700; margin: 2px 0 4px; }
.latest-item .desc { font-size: 14px; line-height: 1.7; margin-bottom: 4px; }

.about-band { padding: 0 0 72px; }
.about-box {
  border-top: 2px solid var(--navy);
  padding-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 24px 64px;
}
.about-box h2 { margin: 0 0 10px; font-size: 18px; }
.about-box p { margin: 0; font-size: 15px; color: var(--body); }
.about-links {
  flex: 1 1 260px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 15px;
}
.about-links a { display: inline-block; padding: 6px 0; color: var(--navy); }

/* footer */
.site-footer { background: var(--footer); color: #e8edf0; }
.footer-grid {
  max-width: var(--max);
  margin: 0 auto;
  padding: 48px 24px 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 32px 64px;
}
.footer-brand img { height: 22px; width: auto; }
.footer-brand .brand-bar { margin: 8px 0 14px; }
.footer-brand p { margin: 0; font-size: 14px; color: #c5d0d7; }
.site-footer h2 { margin: 0 0 8px; font-size: 13px; color: var(--white); }
.site-footer ul { list-style: none; margin: 0; padding: 0; font-size: 14px; }
.site-footer li a { display: inline-block; padding: 5px 0; color: #e8edf0; }
.site-footer li a:hover { text-decoration: underline; text-underline-offset: 3px; }
.legal {
  border-top: 1px solid var(--footer-line);
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 24px;
  font-size: 12.5px;
  color: #b5c3cc;
}
.footer-slim .footer-grid {
  padding: 40px 24px 20px;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px 48px;
}
.footer-slim .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 14px;
}

/* listing / search / article */
.page { padding: 28px 0 80px; }
.crumbs {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 2px 8px;
}
.crumbs a { color: var(--navy); }
.page-hero {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 48px;
  align-items: flex-end;
  justify-content: space-between;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line-strong);
}
.page-hero h1 { margin: 2px 0 10px; font-size: 32px; line-height: 1.5; }
.page-hero p { margin: 0; font-size: 16px; color: var(--body); max-width: 640px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid #d5dee4;
  color: var(--navy);
  font-size: 14.5px;
  font-weight: 500;
}
.chip.is-on { background: var(--navy); color: var(--white); border-color: var(--navy); font-weight: 700; }
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  margin: 20px 0 28px;
  font-size: 14px;
  color: var(--muted);
}
.tabs { display: flex; gap: 4px; }
.tabs button, .tabs a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 14px;
  font-size: 14.5px;
  color: var(--body);
  background: none;
  border: 0;
  border-bottom: 2px solid transparent;
  cursor: pointer;
}
.tabs .is-on { font-weight: 700; color: var(--navy); border-bottom-color: var(--accent); }
.list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 36px 28px;
}
.list-grid .ttl { font-size: 17px; }
.pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 56px;
}
.pager a, .pager span, .pager button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  border-radius: 6px;
  background: var(--white);
  border: 1px solid #d5dee4;
  color: var(--navy);
  padding: 0 12px;
  font: inherit;
  cursor: pointer;
}
.pager .is-current { background: var(--navy); color: var(--white); border-color: var(--navy); font-weight: 700; }

.search-box { max-width: 760px; }
.search-box h1 { margin: 0 0 16px; font-size: 24px; }
.search-form { display: flex; gap: 8px; }
.search-form input {
  flex: 1;
  min-width: 0;
  height: 48px;
  padding: 0 16px;
  font-size: 16px;
  border: 1px solid #b9c4cb;
  border-radius: 6px;
  background: var(--white);
  color: var(--text);
}
.search-form button {
  min-height: 48px;
  padding: 0 24px;
  border: 0;
  border-radius: 6px;
  background: var(--navy);
  color: var(--white);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}
.suggest { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: 14px; color: var(--muted); }
.suggest .chip { min-height: 36px; font-size: 14px; }
.result-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 48px;
  align-items: center;
  justify-content: space-between;
  margin-top: 40px;
  padding: 12px 0;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  font-size: 14.5px;
  color: var(--body);
}
.result-layout { display: flex; flex-wrap: wrap; gap: 40px 56px; align-items: flex-start; margin-top: 8px; }
.result-list { flex: 1 1 560px; max-width: 820px; min-width: 0; list-style: none; margin: 0; padding: 0; }
.result-list li { border-bottom: 1px solid var(--line); }
.result-item { display: flex; gap: 20px; padding: 24px 0; }
.result-item .ttl { font-size: 18px; line-height: 1.6; font-weight: 700; margin: 2px 0 4px; }
.result-item .desc { font-size: 14.5px; line-height: 1.75; color: var(--body); margin-bottom: 4px; }
.side-box { flex: 0 1 300px; min-width: 260px; }
.side-box h2 { margin: 0 0 10px; font-size: 16px; }
.side-box ul { list-style: none; margin: 0; padding: 0; font-size: 14.5px; }
.side-box li { border-top: 1px solid var(--line); }
.side-box li:last-child { border-bottom: 1px solid var(--line); }
.side-box a { display: block; padding: 12px 0; color: var(--navy); }
.empty { padding: 32px 0; color: var(--muted); }

.article-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 48px 56px;
  align-items: flex-start;
  justify-content: center;
}
.article { flex: 1 1 560px; max-width: 760px; min-width: 0; }
.article h1 { margin: 6px 0 16px; font-size: 32px; line-height: 1.5; }
.standfirst { margin: 0 0 16px; font-size: 17px; line-height: 1.9; color: var(--body); }
.dates { display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 13px; color: var(--muted); margin-bottom: 20px; }
.ad-note { margin: 12px 0 0; font-size: 12.5px; color: var(--muted); }
.answer, .point, .caution, .source, .product-box, .prose-card {
  border-radius: 8px;
}
.affiliate-disclose {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}
.article-figure {
  margin: 32px 0;
  padding: 0;
}
.article-figure img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}
.article-figure figcaption {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}
.answer {
  margin-top: 32px;
  background: var(--white);
  border: 1px solid #d5dee4;
  padding: 24px 28px;
}
.answer .label, .point .label, .caution .label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.answer .label { color: var(--navy); }
.answer strong.lead { display: block; margin: 0 0 12px; font-size: 17px; line-height: 1.9; }
.answer ul, .split ul { margin: 0; padding-left: 1.3em; }
.toc {
  margin-top: 28px;
  padding: 20px 24px;
  background: #f0f3f5;
  border-radius: 8px;
}
.toc strong { display: block; font-size: 14px; margin-bottom: 6px; }
.toc ol { margin: 0; padding-left: 1.4em; font-size: 15px; line-height: 2; }
.toc a { color: var(--navy); }
.toc a:hover { text-decoration: underline; text-underline-offset: 3px; }
.article h2 {
  margin: 64px 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
  font-size: 25px;
  line-height: 1.5;
}
.article h3 { margin: 40px 0 12px; font-size: 20px; line-height: 1.6; color: var(--navy); }
.article p { margin: 0 0 20px; font-size: 17px; line-height: 1.95; }
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}
table { border-collapse: collapse; width: 100%; font-size: 15px; line-height: 1.7; }
.cmp { min-width: 680px; }
th, td { padding: 14px 16px; text-align: left; vertical-align: top; }
thead th { background: var(--navy); color: var(--white); font-weight: 700; white-space: nowrap; padding: 12px 16px; }
tbody th { font-weight: 700; white-space: nowrap; }
tbody tr + tr { border-top: 1px solid var(--line); }
.spec thead th { background: var(--navy); color: var(--white); }
.spec tbody th { width: 34%; background: #f0f3f5; color: var(--text); font-weight: 700; padding: 12px 16px; }
.spec td { padding: 12px 16px; }
.affiliate-card { margin: 24px 0; }
.caption { margin: 8px 0 0; font-size: 12.5px; color: var(--muted); }
.point { margin: 28px 0; background: #eaf0f3; padding: 20px 24px; }
.point .label { color: var(--navy); letter-spacing: 0.06em; }
.point p, .caution p { margin: 0; font-size: 16px; line-height: 1.9; }
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.split article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px 22px;
}
.split h3 { margin: 0 0 8px; font-size: 16px; }
.split .good { color: var(--navy); }
.split .bad { color: var(--cat); }
.caution { margin: 28px 0; background: #fbf3e4; padding: 20px 24px; }
.caution .label { color: #7a5200; letter-spacing: 0.06em; }
blockquote {
  margin: 28px 0;
  padding: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}
blockquote p { margin: 0; padding: 20px 24px; font-size: 17px; color: var(--body); }
blockquote footer { margin: 0; padding: 0 24px 16px; font-size: 13px; color: var(--muted); text-align: right; }
.product-box {
  margin: 36px 0;
  background: var(--white);
  border: 1px solid #d5dee4;
  padding: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.product-box .ph { flex: 0 0 160px; border-radius: 6px; }
.product-copy { flex: 1 1 280px; min-width: 0; }
.product-copy .meta { font-size: 12.5px; }
.product-copy h3 { margin: 2px 0 6px; font-size: 18px; color: var(--text); }
.product-copy p { margin: 0 0 14px; font-size: 15px; line-height: 1.8; color: var(--body); }
.btn-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  background: var(--accent);
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  border-radius: 6px;
}
.btn:hover { filter: brightness(0.97); }
.text-link { font-size: 14px; padding: 10px 4px; color: var(--navy); }
.text-link:hover { text-decoration: underline; text-underline-offset: 3px; }
details { border-bottom: 1px solid var(--line); }
summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  cursor: pointer;
  list-style: none;
}
summary::-webkit-details-marker { display: none; }
summary .q-mark { flex: 0 0 28px; }
details p { margin: 0 0 18px 40px; font-size: 16px; line-height: 1.9; color: var(--body); }
.pm { margin-left: auto; font-size: 22px; color: var(--navy); line-height: 1; }
details[open] .pm { transform: rotate(45deg); }
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.related-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.related-card div.body { padding: 14px 16px 16px; }
.related-card .ttl { font-size: 15px; font-weight: 700; line-height: 1.6; margin: 0 0 4px; }
.source {
  margin-top: 56px;
  padding: 20px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--body);
}
.source a { color: var(--navy); }
.sidebar { flex: 0 1 300px; min-width: 260px; display: flex; flex-direction: column; gap: 32px; }
.sidebar h2 { margin: 0 0 10px; font-size: 16px; }
.toc-side { margin: 0; padding: 0; list-style: none; font-size: 14.5px; }
.toc-side li { border-top: 1px solid var(--line); }
.toc-side li:last-child { border-bottom: 1px solid var(--line); }
.toc-side a { display: block; padding: 10px 0; color: var(--navy); }
.rel-side a {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}
.rel-side a:last-child { border-bottom: 1px solid var(--line); }
.rel-side .ttl { font-size: 14px; font-weight: 700; line-height: 1.6; }
@media (min-width: 981px) {
  .sidebar { position: sticky; top: 88px; }
}

.prose { max-width: 760px; }
.prose h1 { margin: 2px 0 16px; font-size: 32px; line-height: 1.5; }
.prose h2 { margin: 40px 0 12px; font-size: 22px; }
.prose p, .prose li { font-size: 16px; line-height: 1.95; color: var(--body); }
.prose ul { padding-left: 1.3em; }
.form { display: grid; gap: 16px; max-width: 560px; margin-top: 24px; }
.form label { display: grid; gap: 6px; font-size: 14px; font-weight: 700; }
.form input, .form textarea {
  font: inherit;
  font-weight: 400;
  padding: 12px 14px;
  border: 1px solid #b9c4cb;
  border-radius: 6px;
  background: var(--white);
}
.form textarea { min-height: 160px; resize: vertical; }
.thanks { display: none; margin-top: 24px; padding: 20px 24px; background: var(--white); border: 1px solid #d5dee4; border-radius: 8px; }
.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

@media (max-width: 980px) {
  .menu-btn { display: flex; }
  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 16px 16px;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 8px; border-bottom: 1px solid var(--line); }
  .nav a.is-current { box-shadow: none; }
  .hero { padding: 20px 0 36px; }
  .lede .sep, .lede .long { display: none; }
  .feature h1 { font-size: 21px; }
  .band, .check { padding: 36px 0; }
  .products, .cats { padding: 44px 0 12px; }
  .latest { padding: 44px 0; }
  .card-grid.popular {
    display: flex;
    overflow-x: auto;
    gap: 14px;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
  }
  .card-grid.popular .card { flex: 0 0 220px; scroll-snap-align: start; }
  .product-grid, .mini-grid, .cat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .cat-card { align-items: center; min-height: 56px; padding: 12px 14px; gap: 10px; }
  .cat-card span { display: none; }
  .cat-card svg { width: 24px; height: 24px; flex-basis: 24px; }
  .q-list { grid-template-columns: 1fr; }
  .latest-grid { grid-template-columns: 1fr; }
  .latest-item { gap: 12px; }
  .thumb-160, .thumb-168 { flex-basis: 100px; }
  .page-hero h1, .article h1, .prose h1 { font-size: 26px; }
  .article h2 { font-size: 22px; }
  .result-item { gap: 12px; }
  .thumb-128 { flex-basis: 100px; }
}

@media (max-width: 640px) {
  .wrap, .header-inner { padding-left: 16px; padding-right: 16px; }
  .header-inner { min-height: 56px; padding-top: 0; padding-bottom: 0; }
  .brand { padding: 8px 0; }
  .brand img, .footer-brand img { height: 18px; }
  .brand-bar { width: 38px; }
  .side-item { gap: 12px; }
  .feature .ph-16 { font-size: 13px; }
  .about-band { padding-bottom: 48px; }
  .footer-grid { padding: 36px 16px 20px; }
}