*{box-sizing:border-box}body{margin:0;background:#f6f4ef;color:#252a29;font:17px/1.7 system-ui,sans-serif}header,main,footer{max-width:820px;margin:auto;padding:28px 24px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid #dcded6}a{color:#28624e;text-underline-offset:4px}nav{display:flex;gap:20px}.brand{font-weight:750;text-decoration:none}main{padding-top:48px;padding-bottom:56px}h1{font-size:clamp(32px,6vw,46px);line-height:1.15;letter-spacing:-1.5px}h2{font-size:22px;margin-top:34px;line-height:1.4}.date,footer{font-size:14px;color:#626963}.note{background:#e5ede4;border-left:3px solid #28624e;padding:20px;border-radius:4px}.button{display:inline-block;background:#28624e;color:white;padding:12px 20px;border-radius:8px;font-weight:650;overflow-wrap:anywhere}footer{border-top:1px solid #dcded6}a:focus-visible{outline:3px solid #b26d19;outline-offset:4px}@media(max-width:480px){header{align-items:flex-start;flex-direction:column}main{padding-top:24px}}