.doc main { max-width: 760px; margin: 0 auto; padding-top: calc(48px + env(safe-area-inset-top, 0px) + 64px); padding-bottom: 72px; }
.doc header { text-align: center; display: grid; justify-items: center; gap: 14px; padding-bottom: 26px; }
.doc header img { width: 92px; height: 92px; }
.doc h1 { font-size: clamp(44px, 7vw, 64px); line-height: 1.04; font-weight: 700; letter-spacing: -.04em; }
.doc .lede { color: var(--muted); font-size: clamp(19px, 2.3vw, 21px); line-height: 1.38; max-width: 34ch; font-weight: 500; }
.doc .updated { color: #6e6e73; font-size: 13px; }
.doc main a { color: var(--link); }
.doc main a:hover { text-decoration: underline; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 26px 0 10px; }
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 22px; }
.tile svg { width: 24px; height: 24px; margin-bottom: 12px; color: #f5f5f7; }
.tile h3 { font-size: 17px; font-weight: 600; letter-spacing: -.02em; margin: 0; }
.tile p { color: var(--muted); font-size: 15px; line-height: 1.45; margin-top: 6px; }
.toc { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 20px 24px; margin: 22px 0 8px; }
.toc b { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 10px; }
.toc ol { list-style: none; columns: 2; column-gap: 28px; margin: 0; padding: 0; }
@media (max-width: 600px) { .toc ol { columns: 1; } }
.toc li { font-size: 15px; padding: 3px 0; break-inside: avoid; }
.doc .toc a { color: var(--soft); }
.doc .toc a:hover { color: var(--ink); text-decoration: none; }
.doc section { padding: 40px 0 8px; border-bottom: 1px solid var(--line); }
.doc section:last-of-type { border-bottom: none; }
.num { font-size: 13px; font-weight: 600; color: var(--muted); font-variant-numeric: tabular-nums; }
.doc h2 { font-size: clamp(26px, 3.6vw, 32px); line-height: 1.12; letter-spacing: -.03em; font-weight: 700; margin: 6px 0 14px; }
.doc h4 { font-size: 17px; margin: 22px 0 6px; font-weight: 600; letter-spacing: -.02em; }
.doc p, .doc li { color: #c7c7cc; font-size: 17px; line-height: 1.55; }
.doc p + p { margin-top: 12px; }
.doc strong { color: var(--ink); font-weight: 600; }
ul.list { margin: 10px 0 0; padding: 0; list-style: none; }
ul.list li { position: relative; padding-left: 20px; margin: 9px 0; }
ul.list li::before { content: ""; position: absolute; left: 3px; top: .68em; width: 6px; height: 6px; border-radius: 50%; background: #86868b; }
.table { border: 1px solid var(--line); border-radius: 18px; overflow: hidden; margin-top: 14px; }
.row { display: grid; grid-template-columns: 1.1fr 1fr; gap: 16px; padding: 14px 18px; border-top: 1px solid var(--line); font-size: 15px; }
.row:first-child { border-top: none; background: var(--card); color: var(--muted); font-size: 13px; font-weight: 600; }
.row span:first-child { color: var(--ink); }
.row span:last-child { color: var(--muted); }
.row:first-child span { color: var(--muted); }
@media (max-width: 600px) { .row { grid-template-columns: 1fr; gap: 4px; } }
.note { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 16px 18px; margin-top: 16px; font-size: 15px; color: #e8e8ed; }
.doc .contact { display: inline-block; margin-top: 12px; font-weight: 600; font-size: 19px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 0 20px; margin-top: 10px; scroll-margin-top: 80px; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 0; font-weight: 600; letter-spacing: -.02em; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-weight: 400; font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 18px; color: var(--muted); font-size: 16px; }
.doc .center { text-align: center; }
.doc .reach { text-align: center; border-bottom: none; padding-top: 4px; }