/* Shared presentation for the public home and legal reading pages. */
:root {
  --public-paper: #f8f6f0;
  --public-panel: #fffdf8;
  --public-ink: #202124;
  --public-muted: #6f716f;
  --public-line: #e2ded5;
  --public-red: #b62323;
  --public-red-soft: #faece8;
  --public-content-width: 1180px;
}

body.public-document {
  min-width: 320px;
  margin: 0;
  background: var(--public-paper);
  color: var(--public-ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.public-document * { box-sizing: border-box; }
.public-document a { color: inherit; text-decoration: none; }
.public-document a:hover { color: var(--public-red); }

body.public-home {
  --paper: var(--public-paper);
  --panel: var(--public-panel);
  --ink: var(--public-ink);
  --muted: var(--public-muted);
  --line: var(--public-line);
  --red: var(--public-red);
  --red-soft: var(--public-red-soft);
}

.public-home a:focus-visible,
.public-document a:focus-visible,
.public-mobile-toc summary:focus-visible {
  outline: 2px solid var(--public-red);
  outline-offset: 3px;
}

.public-site-header {
  width: min(var(--public-content-width), calc(100% - 40px));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--public-line);
}

.public-site-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--public-ink);
  font-size: 15px;
  font-weight: 750;
  line-height: 1.25;
}

.public-site-brand .public-mark {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 8px;
  background: var(--public-red);
  color: #fff;
  font-size: 19px;
  font-weight: 850;
}

.public-site-brand small {
  display: block;
  margin-top: 4px;
  color: var(--public-muted);
  font-size: 11px;
  font-weight: 500;
}

.public-site-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--public-muted);
  font-size: 14px;
}

.public-site-actions a { padding: 9px 12px; }
.public-site-actions .public-shop-link {
  border: 1px solid var(--public-red);
  border-radius: 7px;
  background: var(--public-red);
  color: #fff;
  font-weight: 700;
}
.public-site-actions .public-shop-link:hover { background: #9f1d1d; color: #fff; }

.public-document-main {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 72px;
}

.public-breadcrumbs {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 20px;
  color: var(--public-muted);
  font-size: 13px;
}

.public-breadcrumbs .current { color: var(--public-red); }

.public-document-heading {
  margin-bottom: 27px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--public-line);
}

.public-document-heading h1 {
  margin: 0 0 8px;
  color: var(--public-ink);
  font-family: Georgia, "Songti SC", serif;
  font-size: clamp(28px, 3.1vw, 40px);
  line-height: 1.25;
  letter-spacing: -.025em;
}

.public-document-heading .meta {
  margin: 0;
  color: var(--public-muted);
  font-size: 14px;
}

.public-document-grid {
  display: grid;
  grid-template-columns: 210px minmax(0, 760px);
  align-items: start;
  gap: 48px;
}

.public-toc {
  position: sticky;
  top: 24px;
  padding: 15px 0 15px 18px;
  border-left: 1px solid var(--public-line);
}

.public-toc h2 {
  margin: 0 0 12px;
  color: var(--public-muted);
  font-size: 13px;
  font-weight: 700;
}

.public-toc ol {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.public-toc a {
  display: block;
  padding: 6px 8px;
  border-radius: 5px;
  color: var(--public-muted);
  font-size: 13px;
  line-height: 1.45;
}

.public-toc a:hover,
.public-toc a:focus-visible {
  background: var(--public-red-soft);
  color: var(--public-red);
}

.public-mobile-toc { display: none; }

.public-legal-copy {
  min-width: 0;
  padding: 24px 30px 35px;
  border: 1px solid var(--public-line);
  border-radius: 10px;
  background: var(--public-panel);
}

.public-legal-copy h1 { display: none; }
.public-legal-copy .meta { display: none; }

.public-legal-copy h2 {
  scroll-margin-top: 20px;
  margin: 25px 0 8px;
  color: var(--public-ink);
  font-family: Georgia, "Songti SC", serif;
  font-size: 20px;
  line-height: 1.45;
}

.public-legal-copy h2:first-of-type { margin-top: 0; }
.public-legal-copy p,
.public-legal-copy li {
  color: #383a3b;
  font-size: 15px;
  line-height: 1.9;
}
.public-legal-copy p { margin: 0 0 11px; }
.public-legal-copy ul { margin: 5px 0 14px; padding-left: 1.4em; }
.public-legal-copy li { padding-left: .12em; margin: 3px 0; }

.public-document-footer {
  width: min(var(--public-content-width), calc(100% - 40px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--public-line);
  color: var(--public-muted);
  font-size: 13px;
}

.public-document-footer .footer-links {
  display: flex;
  gap: 18px;
  align-items: center;
}
.public-document-footer a { color: var(--public-ink); }

@media (max-width: 760px) {
  .public-site-header {
    width: calc(100% - 28px);
    min-height: 64px;
    gap: 10px;
  }
  .public-site-brand { gap: 8px; font-size: 14px; }
  .public-site-brand .public-mark { width: 36px; height: 36px; font-size: 17px; }
  .public-site-brand small { font-size: 10px; }
  .public-site-actions { gap: 4px; font-size: 12px; }
  .public-site-actions a { padding: 8px 7px; }
  .public-site-actions .public-shop-link { white-space: nowrap; }
  .public-document-main { width: calc(100% - 32px); padding: 24px 0 46px; }
  .public-breadcrumbs { margin-bottom: 14px; font-size: 12px; }
  .public-document-heading { margin-bottom: 16px; padding-bottom: 16px; }
  .public-document-heading h1 { font-size: 27px; line-height: 1.35; }
  .public-document-heading .meta { font-size: 13px; line-height: 1.7; }
  .public-document-heading .meta span { display: block; }
  .public-document-grid { display: block; }
  .public-toc { display: none; }
  .public-mobile-toc {
    display: block;
    margin-bottom: 18px;
    border: 1px solid var(--public-line);
    border-radius: 8px;
    background: var(--public-panel);
  }
  .public-mobile-toc summary {
    min-height: 48px;
    padding: 11px 14px;
    color: var(--public-ink);
    cursor: pointer;
    font-size: 14px;
    font-weight: 650;
    list-style: none;
  }
  .public-mobile-toc summary::-webkit-details-marker { display: none; }
  .public-mobile-toc summary::after { content: "＋"; float: right; color: var(--public-muted); }
  .public-mobile-toc[open] summary::after { content: "－"; }
  .public-mobile-toc ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3px 8px;
    margin: 0;
    padding: 0 14px 12px;
    list-style: none;
  }
  .public-mobile-toc a { display: block; padding: 5px 0; color: var(--public-muted); font-size: 12px; line-height: 1.5; }
  .public-legal-copy { padding: 21px 17px 28px; border-radius: 8px; }
  .public-legal-copy h2 { margin-top: 23px; font-size: 18px; }
  .public-legal-copy p,
  .public-legal-copy li { font-size: 15px; line-height: 1.85; }
  .public-document-footer {
    width: calc(100% - 32px);
    min-height: 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 18px 0 24px;
  }
  .public-document-footer .footer-links { flex-wrap: wrap; gap: 8px 16px; }
}

@media (prefers-reduced-motion: no-preference) {
  .public-document { scroll-behavior: smooth; }
}