:root{--navy:#102f4b;--ink:#132a40;--teal:#168b89;--line:#d7e3e7}
*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);font:16px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--teal)}a:focus-visible{outline:3px solid var(--teal);outline-offset:4px}header{border-bottom:1px solid var(--line);padding:1rem max(4vw,calc((100vw - 920px)/2));display:flex;align-items:center;justify-content:space-between;gap:1.5rem}header img{width:118px;height:70px;object-fit:contain}header nav{display:flex;flex-wrap:wrap;gap:1rem}main{width:min(800px,92vw);margin:4rem auto 6rem}h1,h2{line-height:1.2;letter-spacing:-.03em;color:var(--navy)}h1{font-size:clamp(2.3rem,5vw,3.5rem)}h2{font-size:1.45rem;margin:2.6rem 0 .6rem}p,ul{max-width:75ch}.lead{font-size:1.12rem;color:#425a6b}.notice{background:#e9f4f4;border-left:4px solid var(--teal);padding:1rem 1.3rem;margin:2rem 0}.notice p:last-child{margin-bottom:0}footer{background:#0b253b;color:#d4e7ee;padding:1.5rem max(4vw,calc((100vw - 920px)/2));display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}footer a{color:#d4e7ee}@media(max-width:620px){header{align-items:flex-start;flex-direction:column}main{margin:2.5rem auto 4rem}}