:root{color-scheme:light;font-family:system-ui,"Yu Gothic",sans-serif;color:#234951;background:#edf7f6}*{box-sizing:border-box}body{margin:0;line-height:1.85}header,main,footer{width:min(760px,100% - 32px);margin-inline:auto}header{padding:24px 0 16px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}header a{font-weight:800}a{color:#126775;text-underline-offset:.22em;overflow-wrap:anywhere}a:focus-visible{outline:3px solid #df9851;outline-offset:4px}main{padding:28px clamp(20px,5vw,44px);border:1px solid #cfe3e4;border-radius:24px;background:#fff}h1{font-size:clamp(24px,5vw,32px);line-height:1.5;margin:0 0 12px}h2{font-size:20px;line-height:1.6;margin:30px 0 10px}p{margin:12px 0}ul{padding-left:1.5em}li+li{margin-top:8px}.updated{color:#637f84;font-size:14px}footer{padding:24px 0 36px;font-size:14px}dl{display:grid;grid-template-columns:auto 1fr;gap:8px 18px}dt{font-weight:700}dd{margin:0;overflow-wrap:anywhere}@media(max-width:380px){dl{grid-template-columns:1fr;gap:4px}dd{margin-bottom:8px}}