:root{font-family:system-ui,sans-serif;color:#173649;background:#f6fafb;line-height:1.6}body{margin:0}main{max-width:52rem;margin:2rem auto;padding:1.5rem}h1,h2{line-height:1.2}a{color:#164c72}main section{background:#fff;border:1px solid #c7d8df;border-radius:1rem;padding:1.25rem;margin:1.5rem 0}.notice{padding:1rem;background:#fff5d9;border-left:4px solid #b98010}label{display:block;margin:1rem 0}input:not([type=checkbox]){box-sizing:border-box;width:100%;max-width:28rem;padding:.65rem;font:inherit}button{font:inherit;background:#164c72;color:white;border:0;border-radius:.4rem;padding:.6rem 1rem;cursor:pointer}button:disabled{opacity:.6;cursor:wait}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #cc8300;outline-offset:3px}[hidden]{display:none!important}li{overflow-wrap:anywhere}.check{display:flex;gap:.6rem;align-items:center}@media(max-width:480px){main{margin:0;padding:1rem}main section{padding:1rem}}

*{box-sizing:border-box}.skip-link{position:absolute;top:0;left:16px;padding:12px;background:#fff;transform:translateY(-120%);z-index:30}.skip-link:focus{transform:translateY(0)}
main{width:min(100%,56rem)}h1,h2{font-family:"Source Serif 4",Georgia,serif}h1{font-size:clamp(1.85rem,5vw,2.6rem)}