:root {
  --color-black: #0b0b0b;
  --color-white: #ffffff;
  --color-text: #222222;
  --color-muted: #666666;
  --color-border: #d9d9d9;
  --color-border-strong: #9f9f9f;
  --color-accent: #e64a2e;
  --color-accent-hover: #c83a22;
  --color-gold: #b78520;
  --color-link: #1e5b91;
  --color-bg-soft: #f6f6f6;
  --font-heading: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif CJK JP", "Noto Serif JP", serif;
  --font-body: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans CJK JP", "Noto Sans JP", sans-serif;
  --container: 1200px;
  --main-width: 840px;
  --sidebar-width: 300px;
  --gap-columns: 36px;
  --radius-card: 4px;
  --radius-button: 4px;
  --header-height: 72px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
}
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; height: auto; }
.site-header { position: sticky; top: 0; z-index: 20; background: var(--color-black); color: var(--color-white); }
.header-inner {
  width: min(var(--container), calc(100% - 48px));
  min-height: var(--header-height);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) 300px;
  align-items: center;
  gap: 28px;
}
.brand {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .08em;
  justify-self: center;
  transform: translateX(18px);
}
.brand:hover { text-decoration: none; }
.menu-toggle, .menu-button { display: none; }
.nav { display: flex; justify-content: center; gap: clamp(8px, 3vw, 36px); align-items: center; min-width: 0; }
.nav a {
  color: var(--color-white);
  min-height: 40px;
  padding: 8px clamp(8px, 1.3vw, 14px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  white-space: nowrap;
  border: 1px solid transparent;
}
.nav a[aria-current="page"] { background: var(--color-white); color: var(--color-black); border-color: var(--color-border); }
.nav a:hover {
  opacity: .7;
  text-decoration: none;
}
.site-search {
  display: flex;
  align-items: center;
  height: 40px;
  background: var(--color-white);
  border-radius: var(--radius-button);
  overflow: hidden;
  border: 1px solid var(--color-border);
  justify-self: end;
  width: 100%;
}
.site-search input { min-width: 0; flex: 1; height: 100%; border: 0; padding: 0 12px; font: inherit; }
.site-search button {
  width: 44px;
  height: 100%;
  border: 0;
  border-left: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-black);
  font-size: 20px;
  cursor: pointer;
}
.hero {
  min-height: 560px;
  background:
    linear-gradient(90deg, rgba(0,0,0,.78), rgba(0,0,0,.48) 48%, rgba(0,0,0,.18)),
    var(--hero-image) center / cover;
  color: var(--color-white);
  display: grid;
  align-items: center;
}
.hero-inner, .container {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
}
.eyebrow { color: var(--color-gold); font-weight: 700; margin: 0 0 20px; }
h1, h2, h3 { margin: 0; line-height: 1.35; }
h1, .hero-title, .footer-title { font-family: var(--font-heading); }
.hero-title {
  max-width: 760px;
  color: var(--color-white);
  font-size: clamp(42px, 5vw, 58px);
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 22px;
}
.hero-lead { max-width: 720px; color: #f1f1f1; font-size: 17px; margin-bottom: 34px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 28px;
  border-radius: 28px;
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 700;
  border: 1px solid var(--color-accent);
}
.btn:hover { background: var(--color-accent-hover); color: var(--color-white); text-decoration: none; }
.page-space { padding: 36px 0 64px; }
.layout {
  display: grid;
  grid-template-columns: minmax(0, var(--main-width)) var(--sidebar-width);
  gap: var(--gap-columns);
  align-items: start;
}
.main-only { width: min(var(--main-width), calc(100% - 48px)); margin: 0 auto; padding: 36px 0 64px; }
.breadcrumb { margin-bottom: 18px; color: var(--color-muted); font-size: 15px; }
.page-title { font-size: 34px; font-weight: 800; margin-bottom: 14px; }
.page-lead { max-width: 720px; margin-top: 0; margin-bottom: 28px; }
.section-title {
  font-size: 24px;
  margin-bottom: 22px;
  padding-bottom: 10px;
  border-bottom: 4px dotted var(--color-border-strong);
}
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.article-card {
  display: block;
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-white);
  overflow: hidden;
}
.article-card:hover { text-decoration: none; border-color: var(--color-border-strong); }
.article-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: var(--color-bg-soft); }
.article-card-body { padding: 14px; }
.category { display: block; color: var(--color-muted); font-size: 13px; margin-bottom: 8px; }
.article-card h3 {
  font-size: 16px;
  line-height: 1.55;
  min-height: 76px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.meta { color: var(--color-muted); font-size: 13px; margin: 14px 0 0; }
.sidebar { display: grid; gap: 34px; }
.side-block h2 { font-size: 22px; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 3px solid var(--color-border-strong); }
.tag-list { display: flex; flex-wrap: wrap; gap: 12px; }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 7px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-white);
  color: var(--color-text);
  font-size: 14px;
}
.tag:hover { border-color: var(--color-border-strong); text-decoration: none; }
.share-line-button {
  gap: 8px;
  padding: 7px 14px 7px 10px;
}
.share-line-icon {
  display: block;
  width: 28px;
  height: 28px;
  border-radius: 7px;
  object-fit: cover;
}
.ad-box {
  border: 1px solid var(--color-border);
  background: linear-gradient(135deg, #fff4df, #ffe2d6);
  min-height: 250px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 20px;
}
.ad-label { display: block; color: var(--color-muted); font-size: 12px; margin-bottom: 8px; }
.ad-title { color: var(--color-accent); font-size: 28px; font-weight: 900; }
.ad-box-books {
  color: var(--color-text);
  text-decoration: none;
}
.ad-box-books > div {
  display: grid;
  gap: 10px;
  justify-items: center;
}
.ad-pr {
  display: inline-flex;
  padding: 2px 8px;
  border: 1px solid rgba(0,0,0,.18);
  border-radius: var(--radius-button);
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
}
.ad-copy {
  display: block;
  font-size: 14px;
  line-height: 1.65;
}
.ad-button {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 14px;
  border-radius: var(--radius-button);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 700;
}
.ad-button:hover { text-decoration: none; }
.rk-product-ad {
  display: grid;
  gap: 12px;
  width: 100%;
  margin: 14px 0;
}
.rk-product-card {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--color-border);
  background: rgba(255,255,255,.9);
  color: var(--color-text);
  text-align: left;
}
.rk-product-card:hover {
  border-color: var(--color-border-strong);
  text-decoration: none;
}
.rk-product-image-wrap {
  display: grid;
  place-items: center;
  min-height: 116px;
  background: var(--color-white);
  border: 1px solid rgba(0,0,0,.08);
}
.rk-product-image-wrap img {
  width: 100%;
  max-height: 132px;
  object-fit: contain;
}
.rk-product-info {
  display: grid;
  gap: 7px;
  min-width: 0;
}
.rk-product-info strong {
  font-size: 15px;
  line-height: 1.35;
}
.rk-product-info span {
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.55;
}
.rk-product-info em {
  color: var(--color-link);
  font-size: 13px;
  font-style: normal;
  font-weight: 800;
}
.rk-product-ad--article {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.rk-product-ad--article .rk-product-card {
  grid-template-columns: 140px minmax(0, 1fr);
}
.rk-product-ad--article .rk-product-image-wrap {
  min-height: 150px;
}
.rk-product-ad--article .rk-product-image-wrap img {
  max-height: 160px;
}
.rk-product-ad--article .rk-product-info strong {
  font-size: 17px;
}
.rk-product-ad--home {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
}
.rk-product-ad--home .rk-product-card {
  grid-template-columns: 1fr;
  align-content: start;
}
.rk-product-ad--home .rk-product-image-wrap {
  min-height: 170px;
}
.rk-product-ad--home .rk-product-image-wrap img {
  max-height: 168px;
  object-fit: contain;
}
.rk-product-ad--sidebar .rk-product-image-wrap {
  min-height: 148px;
}
.rk-product-ad--sidebar .rk-product-image-wrap img {
  max-height: 142px;
  object-fit: contain;
}
.small-list { display: grid; gap: 14px; }
.small-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.small-item:hover { text-decoration: none; }
.small-item img { width: 92px; aspect-ratio: 16 / 10; object-fit: cover; border: 1px solid var(--color-border); }
.small-item strong { display: block; line-height: 1.45; }
.small-item span span { color: var(--color-muted); font-size: 13px; }
.news-list { display: grid; gap: 10px; }
.news-list a { display: block; color: var(--color-link); font-size: 16px; }
.home-affiliate-picks {
  margin-top: 38px;
  padding-top: 26px;
  border-top: 1px solid var(--color-border-strong);
}
.home-affiliate-head {
  margin-bottom: 16px;
}
.home-affiliate-head h2 {
  font-size: 22px;
  margin-bottom: 8px;
}
.home-affiliate-head p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.65;
}
.busho-list, .manga-list { display: grid; gap: 32px; }
.busho-row, .manga-row {
  display: grid;
  grid-template-columns: 430px 1fr;
  gap: 22px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.busho-row:hover, .manga-row:hover { text-decoration: none; }
.busho-row.is-demo, .manga-row.is-demo { cursor: default; }
.busho-row img, .manga-row img {
  width: 100%;
  aspect-ratio: 2.42 / 1;
  object-fit: cover;
  border: 1px solid var(--color-border);
  background: var(--color-bg-soft);
}
.manga-row img { object-position: top center; }
.row-title { display: block; font-size: 25px; font-weight: 800; margin-bottom: 8px; }
.row-title span { font-size: 20px; }
.row-desc { display: block; margin: 0 0 14px; font-size: 17px; }
.row-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
.date { color: var(--color-muted); margin-left: auto; }
.busho-list { gap: 28px; }
.busho-row {
  grid-template-columns: minmax(240px, 294px) minmax(0, 1fr);
  gap: 12px;
  border-bottom: 0;
  padding-bottom: 10px;
}
.busho-row img { aspect-ratio: 2.65 / 1; }
.busho-row .row-title { font-size: 17px; line-height: 1.35; margin-bottom: 2px; }
.busho-row .row-title span { font-size: 16px; }
.busho-row .row-desc { font-size: 16px; line-height: 1.55; margin: 0; }
.busho-row .row-foot { display: none; }
.busho-person-title { display: flex; align-items: center; gap: 8px; }
.busho-person-hero { margin: 10px 0 14px; }
.busho-person-hero img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border: 1px solid var(--color-border);
}
.busho-related-grid { margin-top: 24px; }
.manga-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 22px;
}
.manga-row {
  display: block;
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  overflow: visible;
  padding-bottom: 16px;
}
.manga-row img { aspect-ratio: 16 / 10; }
.manga-row .row-title { font-size: 15px; line-height: 1.45; margin: 10px 0 6px; }
.manga-row .row-desc { display: none; }
.manga-row .row-foot { display: block; }
.manga-row .tag { display: none; }
.manga-row .date { display: block; margin-left: 0; width: auto; font-size: 13px; line-height: 1.45; }
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 36px; }
.pagination .page-numbers {
  min-width: 42px;
  min-height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 0 10px;
}
.pagination .current { background: var(--color-black); color: var(--color-white); }
.article-detail h1 { font-size: 36px; margin-bottom: 14px; }
.article-hero { margin: 24px 0; }
.article-hero img { width: 100%; max-height: 440px; object-fit: cover; border: 1px solid var(--color-border); }
.article-detail h2 { font-size: 25px; margin-top: 36px; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 1px solid var(--color-border); }
.note-box { background: var(--color-bg-soft); border: 1px solid var(--color-border); padding: 18px; margin: 22px 0; }
.rk-affiliate-box {
  margin: 34px 0;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  background: var(--color-bg-soft);
}
.rk-affiliate-label {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 2px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
}
.rk-affiliate-title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
}
.rk-affiliate-copy {
  margin: 0 0 14px;
  line-height: 1.75;
}
.rk-affiliate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.rk-affiliate-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 7px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-white);
  color: var(--color-link);
  font-size: 14px;
  font-weight: 700;
}
.rk-affiliate-actions a:hover {
  border-color: var(--color-border-strong);
  text-decoration: none;
}
.rk-affiliate-note {
  margin: 12px 0 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.6;
}
.label-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0; }
.fact-label { display: inline-flex; padding: 4px 10px; border-radius: var(--radius-button); background: #fff6e4; border: 1px solid #e0c078; font-size: 13px; }
.toc { border: 1px solid var(--color-border); padding: 16px 20px; margin: 24px 0; }
.comic-main { width: min(760px, 100%); margin: 24px auto; }
.comic-main img { width: 100%; border: 1px solid var(--color-border); }
.about-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; margin: 24px 0 34px; }
.about-visual img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.value-grid, .cta-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.value-card { border: 1px solid var(--color-border); padding: 18px; }
.about-page {
  --about-paper: #f2e4c8;
  --about-paper-soft: #fbf3e4;
  --about-ink: #14100b;
  --about-rust: var(--color-accent);
  background: var(--about-paper-soft);
  color: var(--about-ink);
}
.about-band { padding: 48px 0; }
.about-wrap { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
.about-hero {
  min-height: 0;
  height: min(350px, calc(100vw * 282 / 1022));
  display: grid;
  align-items: center;
  background:
    var(--about-hero-image) center / contain no-repeat,
    var(--about-map-image) center / cover;
  border-bottom: 1px solid rgba(63,43,20,.18);
}
.about-hero h1 {
  max-width: 560px;
  font-family: var(--font-heading);
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.22;
  margin-bottom: 24px;
}
.about-hero p { max-width: 620px; font-weight: 700; line-height: 1.9; }
.about-dark {
  background:
    linear-gradient(rgba(10,10,10,.92), rgba(10,10,10,.94)),
    var(--about-dark-image) center / cover;
  color: var(--color-white);
}
.about-section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-heading);
  font-size: clamp(25px, 3vw, 34px);
  line-height: 1.35;
  margin-bottom: 12px;
}
.about-section-title::before,
.about-section-title::after { content: ""; flex: 1; border-top: 1px solid currentColor; opacity: .35; }
.about-section-title.left { justify-content: flex-start; }
.about-section-title.left::after { display: none; }
.about-section-title.left::before { flex: 0 0 3px; height: 48px; border-top: 0; background: var(--about-rust); opacity: 1; }
.about-lead { max-width: 820px; margin: 0 auto 28px; text-align: center; font-weight: 700; }
.about-section-title.left + .about-lead { margin-left: 18px; text-align: left; }
.about-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; margin-top: 22px; }
.about-step,
.about-reason {
  position: relative;
  background: rgba(255,248,233,.95);
  color: var(--about-ink);
  border: 1px solid rgba(72,47,19,.22);
  border-radius: 6px;
  box-shadow: 0 8px 18px rgba(0,0,0,.18);
  padding: 14px;
}
.about-step:not(:last-child)::after {
  content: ">";
  position: absolute;
  right: -21px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-white);
  font-size: 26px;
  font-weight: 700;
}
.about-step h3,
.about-reason h3 { display: flex; align-items: baseline; gap: 10px; font-size: 18px; line-height: 1.35; margin-bottom: 10px; }
.about-num { color: var(--about-rust); font-family: Georgia, serif; font-size: 25px; font-weight: 700; }
.about-step img,
.about-reason img { width: 100%; aspect-ratio: 16 / 7; object-fit: cover; filter: sepia(.35) contrast(.96); margin-bottom: 10px; }
.about-step p,
.about-reason p { margin: 0; font-size: 14px; line-height: 1.65; }
.about-paper {
  background:
    linear-gradient(rgba(247,237,217,.94), rgba(247,237,217,.94)),
    var(--about-map-image) center / cover;
}
.about-reasons { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; margin-top: 28px; }
.about-icon { display: grid; place-items: center; width: 44px; height: 44px; margin: 0 auto 12px; color: var(--about-rust); font-size: 34px; line-height: 1; }
.about-reason h3 { display: block; text-align: center; font-size: 17px; }
.about-question {
  background:
    linear-gradient(90deg, rgba(8,8,8,.93), rgba(8,8,8,.78), rgba(8,8,8,.93)),
    var(--about-battle-image) center / cover;
  color: var(--color-white);
}
.about-questions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 28px; margin-top: 28px; }
.about-question-card { min-height: 74px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.45); background: rgba(0,0,0,.42); padding: 14px 18px; text-align: center; font-weight: 700; }
.about-question-card::before { content: "“"; color: rgba(255,255,255,.45); font-size: 30px; line-height: 0; margin-right: 4px; }
.about-final {
  text-align: center;
  background:
    linear-gradient(rgba(247,237,217,.86), rgba(247,237,217,.86)),
    var(--about-writing-image) center / cover;
}
.about-final h2 { font-family: var(--font-heading); font-size: clamp(28px, 3.6vw, 40px); margin-bottom: 12px; }
.about-final p { font-weight: 700; margin-bottom: 24px; }
.form-grid { display: grid; gap: 16px; }
input, textarea, select { width: 100%; border: 1px solid var(--color-border); border-radius: var(--radius-button); min-height: 44px; padding: 10px 12px; font: inherit; }
textarea { min-height: 160px; resize: vertical; }
label { font-weight: 700; }
.site-footer { background: var(--color-black); color: var(--color-white); padding: 42px 0 28px; }
.footer-inner {
  width: min(var(--container), calc(100% - 48px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
}
.footer-inner a { color: var(--color-white); }
.footer-title { font-family: var(--font-heading); font-size: 28px; margin-bottom: 10px; }
.footer-links { display: grid; gap: 8px; }
.copyright { grid-column: 1 / -1; color: #bbbbbb; border-top: 1px solid #333333; padding-top: 18px; margin-top: 10px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
:focus-visible { outline: 3px solid var(--color-gold); outline-offset: 3px; }
@media (max-width: 1199px) {
  .header-inner { grid-template-columns: 170px minmax(0, 1fr) 250px; gap: 16px; }
  .nav { gap: clamp(6px, 1.4vw, 16px); }
  .nav a { padding-inline: clamp(6px, 1vw, 10px); }
  .layout { grid-template-columns: minmax(0, 1fr) 280px; }
  .article-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .busho-row { grid-template-columns: minmax(240px, 294px) minmax(0, 1fr); }
}
@media (max-width: 999px) {
  .header-inner {
    width: min(100% - 16px, var(--container));
    grid-template-columns: 150px minmax(0, 1fr) clamp(52px, 26vw, 220px);
    gap: clamp(4px, 1.4vw, 12px);
    padding: 8px 0;
  }
  .brand { font-size: clamp(18px, 2.8vw, 24px); letter-spacing: .04em; }
  .menu-button { display: none; }
  .nav {
    display: flex;
    justify-content: center;
    gap: clamp(3px, .8vw, 8px);
    width: 100%;
  }
  .nav a {
    min-height: clamp(30px, 4.8vw, 38px);
    padding: 5px clamp(3px, .8vw, 8px);
    font-size: clamp(11px, 1.7vw, 14px);
    line-height: 1.1;
    border-color: #333333;
  }
  .site-search {
    display: flex;
    width: 100%;
    min-width: 0;
    justify-self: end;
    margin-bottom: 0;
  }
  .hero { min-height: 470px; }
  .hero-inner, .container, .footer-inner, .main-only { width: min(100% - 24px, var(--container)); }
  .hero-title { font-size: 33px; }
  .layout { display: block; }
  .sidebar { margin-top: 42px; }
  .rk-product-ad--home { grid-template-columns: 1fr; }
  .rk-product-ad--home .rk-product-card { grid-template-columns: 140px minmax(0, 1fr); }
  .article-grid, .value-grid, .cta-grid, .footer-inner, .about-visual { grid-template-columns: 1fr; }
  .about-steps,
  .about-reasons { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .about-questions { grid-template-columns: 1fr 1fr; }
  .about-step:not(:last-child)::after { display: none; }
  .busho-row { grid-template-columns: minmax(220px, 294px) minmax(0, 1fr); gap: 12px; }
  .article-card h3 { min-height: auto; }
  .page-title { font-size: 32px; }
  .date { margin-left: 0; width: 100%; }
}
@media (min-width: 768px) and (max-width: 999px) {
  .article-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px 18px;
  }
  .article-grid > .article-card {
    border: 0;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    overflow: visible;
  }
  .article-grid > .article-card img {
    aspect-ratio: 16 / 10;
  }
  .article-grid > .article-card .article-card-body {
    padding: 10px 0 12px;
  }
  .article-grid > .article-card .category,
  .article-grid > .article-card h3 {
    display: inline;
    color: var(--color-black);
    font-size: 15px;
    font-weight: 800;
    line-height: 1.45;
    min-height: 0;
    overflow: visible;
    -webkit-line-clamp: unset;
    -webkit-box-orient: initial;
  }
  .article-grid > .article-card .category {
    margin: 0 4px 0 0;
  }
  .article-grid > .article-card .meta {
    margin-top: 8px;
    line-height: 1.45;
  }
}
@media (max-width: 779px) {
  .article-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .manga-list {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .article-grid > .article-card {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
    border: 0;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
    padding: 14px 0;
    overflow: visible;
  }
  .article-grid > .article-card img {
    width: 112px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
  }
  .article-grid > .article-card .article-card-body {
    padding: 0;
  }
  .article-grid > .article-card .category,
  .article-grid > .article-card h3 {
    display: inline;
    color: var(--color-black);
    font-size: 15px;
    font-weight: 800;
    line-height: 1.5;
    min-height: 0;
    overflow: visible;
    -webkit-line-clamp: unset;
    -webkit-box-orient: initial;
  }
  .article-grid > .article-card .category {
    margin: 0 4px 0 0;
  }
  .article-grid > .article-card .meta {
    margin-top: 7px;
    line-height: 1.45;
  }
  .busho-row,
  .manga-row {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
    border-bottom: 1px solid var(--color-border);
    padding: 14px 0;
  }
  .busho-row img,
  .manga-row img {
    width: 112px;
    aspect-ratio: 4 / 3;
  }
  .busho-row .row-title,
  .manga-row .row-title {
    font-size: 15px;
    line-height: 1.5;
    margin: 0 0 6px;
  }
  .busho-row .row-desc,
  .manga-row .row-desc {
    display: none;
  }
  .busho-row .row-foot,
  .manga-row .row-foot {
    display: block;
  }
}
@media (max-width: 560px) {
  .header-inner {
    grid-template-columns: max-content minmax(0, 1fr) 42px;
  }
  .site-search input {
    width: 0;
    flex: 0 1 0;
    padding: 0;
    opacity: 0;
  }
  .site-search button {
    width: 40px;
    border-left: 0;
  }
  .about-wrap { width: min(100% - 24px, var(--container)); }
  .about-band { padding: 36px 0; }
  .about-hero {
    min-height: 0;
    height: calc(100vw * 282 / 1022);
    align-items: start;
    padding-top: 0;
    background:
      var(--about-hero-image) center / contain no-repeat,
      var(--about-map-image) center / cover;
  }
  .about-hero h1 { font-size: 37px; }
  .about-steps,
  .about-reasons,
  .about-questions { grid-template-columns: 1fr; }
  .rk-affiliate-box {
    padding: 18px;
  }
  .rk-product-ad--article { grid-template-columns: 1fr; }
  .rk-product-ad--home .rk-product-card,
  .rk-product-ad--article .rk-product-card,
  .rk-product-card { grid-template-columns: 96px minmax(0, 1fr); }
  .rk-affiliate-actions {
    display: grid;
  }
  .rk-affiliate-actions a {
    justify-content: center;
  }
}
@media (max-width: 430px) {
  .article-grid > .article-card,
  .busho-row,
  .manga-row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
  }
  .article-grid > .article-card img,
  .busho-row img,
  .manga-row img {
    width: 92px;
  }
  .nav a { font-size: 10px; padding-inline: 2px; }
}
@media (max-width: 768px) {
  .site-header { position: sticky; }
  .header-inner {
    width: 100%;
    min-height: 52px;
    grid-template-columns: 52px minmax(0, 1fr) 52px;
    grid-template-areas:
      "spacer brand menu"
      "nav nav nav"
      "search search search";
    gap: 0;
    padding: 0;
    border-bottom: 1px solid rgba(255,255,255,.7);
  }
  .brand {
    grid-area: brand;
    justify-self: center;
    font-size: clamp(22px, 7vw, 30px);
    letter-spacing: .06em;
    transform: none;
  }
  .menu-button {
    grid-area: menu;
    justify-self: center;
    align-self: center;
    width: 42px;
    height: 34px;
    display: grid;
    place-items: center;
    border: 1px solid var(--color-white);
    border-radius: 3px;
    cursor: pointer;
    font-size: 0;
  }
  .menu-button::before {
    content: "";
    width: 24px;
    height: 16px;
    background:
      linear-gradient(var(--color-white), var(--color-white)) 0 0 / 100% 2px no-repeat,
      linear-gradient(var(--color-white), var(--color-white)) 0 7px / 100% 2px no-repeat,
      linear-gradient(var(--color-white), var(--color-white)) 0 14px / 100% 2px no-repeat;
  }
  .nav,
  .site-search {
    display: none;
  }
  .menu-toggle:checked ~ .nav {
    grid-area: nav;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 12px 0;
    gap: 0;
    border-top: 1px solid rgba(255,255,255,.15);
  }
  .menu-toggle:checked ~ .nav a {
    width: 100%;
    min-height: 40px;
    justify-content: flex-start;
    padding: 8px 14px;
    border: 0;
    color: var(--color-white);
    background: transparent;
    font-size: 15px;
    line-height: 1.35;
  }
  .menu-toggle:checked ~ .nav a[aria-current="page"] {
    color: var(--color-black);
    background: var(--color-white);
  }
  .menu-toggle:checked ~ .site-search {
    grid-area: search;
    display: flex;
    width: min(100% - 32px, 590px);
    justify-self: center;
    margin: 8px 0 10px;
  }
  .menu-toggle:checked ~ .site-search input {
    width: auto;
    min-width: 0;
    flex: 1;
    padding: 0 12px;
    opacity: 1;
  }
  .menu-toggle:checked ~ .site-search button {
    width: 44px;
    border-left: 1px solid var(--color-border);
  }
}
@media (max-width: 600px) {
  .about-hero {
    height: calc(100vw * 232 / 407);
    background: var(--about-hero-mobile-image) center / contain no-repeat;
    background-color: var(--about-paper);
  }
}