:root {
    color-scheme: light;
    --ink: #172b42;
    --muted: #52657a;
    --blue: #0169cc;
    --line: #dce4ed;
    --surface: #f5f8fc;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
    color: var(--ink);
    background: #fff;
    font-size: 16px;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: var(--blue); text-underline-offset: 0.2em; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; border-radius: 2px; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.3; letter-spacing: -0.025em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 650; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.15rem; margin-bottom: 1rem; }
[id] { scroll-margin-top: 1.5rem; }
.skip-link { position: absolute; top: -100px; left: 1rem; background: #fff; padding: 0.8rem 1rem; z-index: 2; }
.skip-link:focus { top: 0.75rem; }
.site-header, .site-footer { max-width: 1120px; margin: 0 auto; padding: 1.75rem 2rem; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.site-header { border-bottom: 1px solid var(--line); }
.brand { font-size: 1.2rem; font-weight: 700; color: var(--ink); letter-spacing: -0.035em; text-decoration: none; }
.header-link { font-size: 0.9rem; text-decoration: none; }
.site-footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; line-height: 1.7; flex-wrap: wrap; }
.site-footer a { text-decoration: none; }
.home-page { min-height: 100vh; display: flex; flex-direction: column; }
.home-page .site-header, .home-page .site-footer { width: 100%; }
.home { flex: 1; display: flex; align-items: center; max-width: 1120px; width: 100%; margin: 0 auto; padding: 6rem 2rem 7rem; }
.home-content { width: 100%; }
.brand-line { display: block; width: 48px; height: 5px; background: var(--blue); border-radius: 4px; margin-bottom: 2rem; }
.home h1 { margin-bottom: 0.85rem; font-size: clamp(3rem, 8vw, 5rem); letter-spacing: -0.055em; }
.tagline { font-size: clamp(1.25rem, 3vw, 1.75rem); color: var(--muted); line-height: 1.6; }
.home-links { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem 2rem; margin-top: 2.5rem; }
.primary-link { padding: 0.9rem 1.2rem; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); text-decoration: none; line-height: 1.6; }
.primary-link:hover { border-color: var(--blue); }
.primary-link span:last-child { margin-left: 0.5rem; }
.support-link { font-size: 0.95rem; }
.policy { max-width: 824px; margin: 0 auto; padding: 3.5rem 2rem 1rem; }
.page-heading { padding-bottom: 2.5rem; }
.eyebrow { color: var(--blue); font-size: 0.75rem; letter-spacing: 0.14em; font-weight: 700; margin-bottom: 1.2rem; }
.page-heading h1 { margin-bottom: 1.2rem; }
.translated-title { display: block; font-size: 0.58em; font-weight: 500; color: var(--muted); margin-top: 0.4rem; letter-spacing: 0; }
.updated { color: var(--muted); font-size: 0.9rem; line-height: 1.7; }
.language-nav { display: flex; gap: 0.75rem; margin-top: 1.75rem; flex-wrap: wrap; }
.language-nav a { border: 1px solid var(--line); border-radius: 6px; padding: 0.55rem 1rem; text-decoration: none; line-height: 1.6; }
.language-nav a:hover { border-color: var(--blue); background: var(--surface); }
.language-nav span { margin-left: 1rem; }
.policy-language { border-top: 1px solid var(--line); padding-top: 2.5rem; padding-bottom: 3rem; }
.language-label { display: inline-block; font-size: 0.8rem; font-weight: 400; color: var(--muted); letter-spacing: 0; margin-left: 0.5rem; }
.contents { background: var(--surface); border-radius: 8px; padding: 1.2rem 1.5rem; margin: 1.5rem 0 2rem; font-size: 0.9rem; }
.contents ol { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem 1.75rem; margin: 0; padding-left: 1.25rem; line-height: 1.6; }
.contents a { text-decoration: none; }
.policy-language p, .policy-language li { line-height: 1.85; overflow-wrap: anywhere; }
.policy-language p { margin-bottom: 1.1rem; }
.policy-language section { margin-top: 2.5rem; }
.policy-language ul { padding-left: 1.4rem; margin: 0 0 1.25rem; }
.policy-language ul li { padding-left: 0.2rem; margin-bottom: 0.6rem; }
.website-note { border-top: 1px solid var(--line); padding-top: 2rem; }
.article-end { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; font-size: 0.9rem; }
@media (max-width: 540px) {
    .site-header, .site-footer { padding: 1.25rem; }
    .home { padding: 4rem 1.25rem 5rem; }
    .home-links { align-items: flex-start; flex-direction: column; gap: 1.25rem; }
    .policy { padding: 2.5rem 1.25rem 0; }
    .contents ol { grid-template-columns: 1fr; }
    .contents { padding: 1rem 1.25rem; }
    .page-heading { padding-bottom: 2rem; }
    .policy-language { padding-top: 2rem; }
}
@media print {
    .site-header, .site-footer, .skip-link, .language-nav, .contents, .article-end { display: none; }
    .policy { max-width: none; padding: 0; }
    .policy-language { break-before: page; }
    .policy-language:first-of-type { break-before: auto; }
    h3 { break-after: avoid; }
    a { color: inherit; }
}