:root{color-scheme:light;--canvas:#f4f6f4;--ink:#172d32;--muted:#53676b;--line:#d4deda;--accent:#17665d}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font:17px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}header,main,footer{max-width:740px;margin:auto;padding:24px}header{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}a{color:var(--accent);text-underline-offset:4px;overflow-wrap:anywhere}a:focus-visible{outline:3px solid #a16e17;outline-offset:4px}.brand{font-size:24px;font-weight:800;text-decoration:none;color:var(--ink)}.back{width:44px;min-height:44px;display:grid;place-items:center;font-size:26px;text-decoration:none}main{padding-top:48px;min-height:50vh}h1{font-size:clamp(26px,5vw,36px);line-height:1.2;letter-spacing:-1px;margin:0 0 28px}h2{font-size:22px;line-height:1.3;margin:0 0 12px}p{margin:0 0 16px}.muted{color:var(--muted)}.contact{display:inline-block;min-height:44px;margin-top:24px}.notice{border-top:1px solid var(--line);padding:24px 0}.notice p{white-space:pre-wrap;overflow-wrap:anywhere}footer{border-top:1px solid var(--line);font-size:15px}footer a{display:inline-block;min-height:44px;padding:10px 0}@media(max-width:420px){header,main,footer{padding-left:20px;padding-right:20px}main{padding-top:36px}}
:is(main>section){border-top:1px solid var(--line);padding-top:28px;margin-top:28px}h3{font-size:18px;margin:24px 0 8px}nav{margin:24px 0}li{margin-bottom:12px}ul{padding-left:24px}section{scroll-margin-top:20px}.notice p{white-space:pre-wrap}strong{font-weight:750}