:root{color-scheme:light;font-family:Segoe UI,Arial,sans-serif;color:#112d49;background:#f5f8fb}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:960px;margin:auto;padding:28px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid #dce5ed}header img{width:44px;height:44px;border-radius:8px}.brand{display:flex;align-items:center;gap:12px;font-weight:700;text-decoration:none}nav{display:flex;gap:20px;flex-wrap:wrap}a{color:#126b75;text-underline-offset:4px}main{max-width:820px;min-height:70vh;padding-top:56px;padding-bottom:64px}h1{font-size:clamp(30px,5vw,46px);line-height:1.15;margin:0 0 24px;letter-spacing:-1px}h2{font-size:23px;margin-top:36px}p,li{font-size:17px;line-height:1.75}li{margin:8px 0}.lead{font-size:21px;color:#405970}.notice{padding:20px;border-left:4px solid #168a96;background:#e9f5f6}.action{display:inline-block;background:#126b75;color:white;padding:13px 20px;border-radius:6px;text-decoration:none;margin-top:16px}footer{border-top:1px solid #dce5ed;font-size:14px;line-height:1.7;color:#50657b}a:focus-visible{outline:3px solid #168a96;outline-offset:5px}@media(max-width:620px){header{align-items:flex-start;flex-direction:column}header,main,footer{padding-left:22px;padding-right:22px}main{padding-top:36px}nav{gap:16px}}