:root{color-scheme:light dark;--bg:#fafafa;--ink:#202020;--muted:#555;--line:#ddd;--link:#2256a0} @media(prefers-color-scheme:dark){:root{--bg:#181818;--ink:#eee;--muted:#bbb;--line:#444;--link:#9bc0ff}} *{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif}header,footer{border-color:var(--line);border-style:solid;border-width:0 0 1px}header .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-block:20px}.wrap{max-width:780px;margin:auto;padding-inline:24px}nav{display:flex;gap:20px;flex-wrap:wrap}a{color:var(--link);text-underline-offset:3px}a:focus-visible{outline:2px solid currentColor;outline-offset:4px}.brand{color:var(--ink);font-weight:700;text-decoration:none}main{padding-block:48px 72px}h1{font-size:36px;line-height:1.2}h2{font-size:23px;margin-top:36px}p,li{color:var(--muted)}strong{color:var(--ink)}footer{border-width:1px 0 0;padding-block:24px;font-size:14px}.updated{font-size:14px}@media(max-width:480px){header .wrap{align-items:flex-start;flex-direction:column}h1{font-size:30px}}