:root{color-scheme:light;font-family:system-ui,-apple-system,sans-serif;color:#223346;background:#fffdf6}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:850px;margin:auto;padding:28px}header{border-bottom:1px solid #dce5db}.brand{font-size:26px;font-weight:750;text-decoration:none}.brand span{display:inline-block;margin-inline-start:14px;font-size:20px}nav{display:flex;gap:22px;flex-wrap:wrap;margin-top:22px}a{color:#17634f;text-underline-offset:4px;overflow-wrap:anywhere}nav a{padding:8px 0}main{line-height:1.85}h1{font-size:clamp(30px,5vw,46px);line-height:1.25}h2{font-size:22px;line-height:1.4;margin-top:32px}p{font-size:17px}.date,footer{color:#57675d}section{border-top:1px solid #dce5db;margin-top:48px;padding-top:24px}section p{font-size:19px;line-height:2}footer{border-top:1px solid #dce5db;font-size:14px;padding-bottom:48px}a:focus-visible{outline:3px solid #8866aa;outline-offset:5px}@media(max-width:420px){header,main,footer{padding:22px}nav{gap:18px}}