.doc{max-width:720px;margin:0 auto;padding:6vh 22px 80px}.doc .back{display:inline-block;text-decoration:none;border:4px solid var(--ink);border-radius:22px;padding:6px 16px;font-size:16px;margin-bottom:26px}.doc .back:focus-visible{outline:4px solid var(--cold);outline-offset:3px}.doc h1{font-size:clamp(34px,7vw,52px);margin:0 0 6px;line-height:1.05}.doc .updated{opacity:.5;font-size:16px;margin:0 0 30px}.doc h2{font-size:clamp(21px,3.6vw,26px);margin:34px 0 8px}.doc li,.doc p{font-size:18px;line-height:1.6;max-width:65ch}.doc ul{padding-left:22px}.doc li{margin-bottom:6px}.doc a{text-decoration:underline}.doc .callout{border:5px solid var(--ink);border-radius:20px;padding:16px 20px;margin:22px 0;background:var(--paper)}.doc .callout p{margin:0}.doc .callout b{font-weight:400;font-size:20px;display:block;margin-bottom:4px}.doc .callout b,.doc .mail{font-family:Luckiest Guy,sans-serif}.doc .mail{display:inline-block;background:var(--sun);border:5px solid var(--ink);border-radius:30px;padding:11px 24px;text-decoration:none;font-size:22px;margin-top:8px}.doc .mail:focus-visible{outline:4px solid var(--cold);outline-offset:3px}.sitefoot{max-width:900px;margin:0 auto;padding:26px 22px 40px;border-top:4px solid var(--ink);display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;font-size:16px;opacity:.65}.sitefoot a{text-decoration:none;border-bottom:2px solid}.sitefoot .spacer{flex:1 1 auto}.sitefoot .langs{display:flex;gap:14px;margin-left:18px}.sitefoot .langs a{opacity:.55;text-decoration:none}.sitefoot .langs a:hover{opacity:.9;text-decoration:underline}.sitefoot .langs a.on{opacity:1;font-weight:700;pointer-events:none}