:root {
  color-scheme: light;
  --bg: #f7f6f1;
  --paper: #fffdfa;
  --ink: #151515;
  --muted: #6f6c66;
  --line: #d8d3c9;
  --line-strong: #171717;
  --red: #d92f2f;
  --soft: #f4f1eb;
  --body-grid: rgba(0, 0, 0, 0.025);
  --topbar-bg: rgba(251, 250, 246, 0.94);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0c1117;
  --paper: #171d24;
  --ink: #f4efe5;
  --muted: #aeb8c3;
  --line: #303b47;
  --line-strong: #667789;
  --red: #f05a5a;
  --soft: #111820;
  --body-grid: rgba(255, 255, 255, 0.03);
  --topbar-bg: rgba(12, 17, 23, 0.94);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  background:
    linear-gradient(90deg, var(--body-grid) 1px, transparent 1px),
    var(--bg);
  background-size: 42px 42px, auto;
  color: var(--ink);
}

.legal-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 18px;
  min-height: 58px;
  padding: 0 6.25vw;
  border-bottom: 1px solid var(--line);
  background: var(--topbar-bg);
  backdrop-filter: blur(10px);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", "Segoe UI Condensed", sans-serif;
  font-size: 26px;
  line-height: 1;
  text-decoration: none;
}

.wordmark img {
  width: 28px;
  aspect-ratio: 1;
  object-fit: contain;
}

.wordmark strong {
  color: var(--red);
}

.home-link {
  justify-self: end;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.home-link:hover {
  color: var(--ink);
}

.legal-page {
  width: min(860px, calc(100% - 32px));
  margin: 48px auto 64px;
  padding: 34px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
}

.legal-page p,
.legal-page li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.legal-page h1 {
  margin: 0 0 10px;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", "Segoe UI Condensed", sans-serif;
  font-size: clamp(42px, 8vw, 72px);
  line-height: 0.95;
}

.legal-page h2 {
  margin: 30px 0 8px;
  font-size: 20px;
}

.legal-page a {
  color: var(--ink);
  font-weight: 800;
}

.legal-meta {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 13px;
}

.content-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
}

.content-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}

.content-nav a:hover,
.content-nav a[aria-current="page"] {
  color: var(--ink);
}

.content-nav a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--red);
}

.guide-page {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 80px;
}

.guide-masthead {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.55fr);
  align-items: end;
  gap: 56px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line-strong);
}

.content-kicker {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.guide-masthead h1 {
  max-width: 820px;
  margin: 0;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", "Segoe UI Condensed", sans-serif;
  font-size: clamp(52px, 8vw, 92px);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 0.92;
}

.guide-lead {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 20px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.guide-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 760px);
  justify-content: space-between;
  gap: 56px;
  padding-top: 48px;
}

.guide-toc {
  align-self: start;
  position: sticky;
  top: 88px;
}

.guide-toc > strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.guide-toc nav {
  display: grid;
  border-top: 1px solid var(--line);
}

.guide-toc a {
  display: flex;
  align-items: center;
  min-height: 44px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.guide-toc a:hover {
  color: var(--red);
}

.guide-article {
  min-width: 0;
}

.guide-section {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 88px;
}

.guide-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.guide-section h2 {
  margin: 0 0 18px;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", "Segoe UI Condensed", sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: 0;
  line-height: 0.98;
}

.guide-section h3 {
  margin: 26px 0 8px;
  font-size: 18px;
}

.guide-section p,
.guide-section li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

.guide-section p {
  margin: 0 0 18px;
}

.guide-section ul,
.guide-section ol {
  margin: 16px 0 0;
  padding-left: 22px;
}

.guide-section li + li {
  margin-top: 10px;
}

.rule-list {
  display: grid;
  margin: 22px 0 0;
  border-top: 1px solid var(--line-strong);
}

.rule-list > div {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.rule-list dt {
  color: var(--ink);
  font-weight: 800;
}

.rule-list dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.guide-note {
  margin: 26px 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--red);
}

.guide-note strong {
  display: block;
  margin-bottom: 6px;
  color: var(--ink);
}

.guide-note p {
  margin: 0;
}

.mode-guide-list,
.related-guides {
  display: grid;
  margin-top: 22px;
  border-top: 1px solid var(--line-strong);
}

.mode-guide-list a,
.related-guides a {
  display: grid;
  grid-template-columns: minmax(160px, 0.45fr) minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 22px;
  min-height: 64px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}

.mode-guide-list a:hover,
.related-guides a:hover {
  border-bottom-color: var(--red);
}

.mode-guide-list strong,
.related-guides strong {
  font-size: 17px;
}

.mode-guide-list span,
.related-guides span {
  color: var(--muted);
  line-height: 1.5;
}

.mode-guide-list em,
.related-guides em {
  color: var(--red);
  font-size: 12px;
  font-style: normal;
  font-weight: 900;
  text-transform: uppercase;
}

.content-footer {
  padding: 40px 6.25vw 24px;
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 84%, transparent);
}

.content-footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, auto);
  gap: 40px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.content-footer-summary {
  max-width: 560px;
}

.content-footer-summary strong {
  display: block;
  margin-bottom: 8px;
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", "Segoe UI Condensed", sans-serif;
  font-size: 24px;
  font-weight: 400;
}

.content-footer p,
.content-footer a,
.content-footer span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.content-footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  gap: 8px 24px;
}

.content-footer-links a,
.content-footer-meta a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  font-weight: 700;
  text-decoration: none;
}

.content-footer-links a:hover,
.content-footer-meta a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.content-footer-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 18px;
  width: min(1180px, 100%);
  margin: 28px auto 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

@media (max-width: 640px) {
  .legal-topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0 12px;
    padding: 0 16px;
  }

  .wordmark {
    font-size: 21px;
  }

  .legal-page {
    width: min(calc(100% - 20px), 860px);
    margin-top: 24px;
    padding: 22px;
  }

  .content-nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    gap: 18px;
    overflow-x: auto;
    border-top: 1px solid var(--line);
    scrollbar-width: none;
  }

  .content-nav::-webkit-scrollbar {
    display: none;
  }

  .guide-page {
    width: min(calc(100% - 24px), 1180px);
    padding: 40px 0 56px;
  }

  .guide-masthead {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-bottom: 32px;
  }

  .guide-masthead h1 {
    font-size: 50px;
  }

  .guide-layout {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 28px;
  }

  .guide-toc {
    position: static;
    min-width: 0;
  }

  .guide-toc nav {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    border-bottom: 1px solid var(--line);
    scrollbar-width: none;
  }

  .guide-toc nav::-webkit-scrollbar {
    display: none;
  }

  .guide-toc a {
    flex: 0 0 auto;
    border-bottom: 0;
    white-space: nowrap;
  }

  .guide-section {
    padding: 32px 0;
  }

  .rule-list > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .mode-guide-list a,
  .related-guides a {
    grid-template-columns: 1fr auto;
    gap: 5px 12px;
  }

  .mode-guide-list span,
  .related-guides span {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .content-footer {
    padding: 32px 16px 20px;
  }

  .content-footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .content-footer-links {
    grid-template-columns: 1fr 1fr;
  }

  .content-footer-meta {
    align-items: flex-start;
    flex-direction: column;
  }
}