:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#142d38;background:#f7f8f6;font-synthesis:none;line-height:1.7}*{box-sizing:border-box}body{margin:0}a{color:#24596b;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #b35734;outline-offset:5px}header,main,footer{max-width:1080px;margin:auto;padding:24px 32px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid #d9e2e0}header nav,footer nav{display:flex;gap:16px 24px;flex-wrap:wrap}header nav a{font-size:14px}.brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:750;text-decoration:none;color:#142d38}.breadcrumb{font-size:14px;margin-top:16px}.hero{padding:56px 0 40px;max-width:850px}.eyebrow{font-size:12px;letter-spacing:.13em;font-weight:700;color:#456873}h1{font-size:clamp(36px,5.5vw,64px);line-height:1.12;letter-spacing:-.035em;margin:16px 0 24px;overflow-wrap:break-word}h2{font-size:25px;line-height:1.3;letter-spacing:-.02em}.intro{font-size:20px;max-width:760px;color:#45616b}.button{display:inline-flex;gap:20px;align-items:center;background:#142d38;color:white;border-radius:10px;padding:14px 22px;margin-top:16px;text-decoration:none;font-weight:650}.note{font-size:13px;color:#546a72;max-width:650px}.content{max-width:760px}.content section{padding:22px 0;border-top:1px solid #d9e2e0}.content p{color:#354f59}.content li{margin:8px 0}.related{display:flex;flex-wrap:wrap;gap:12px 30px;padding-left:20px}details{padding:16px 0;border-bottom:1px solid #d9e2e0}summary{cursor:pointer;font-weight:600}footer{margin-top:32px;border-top:1px solid #d9e2e0;font-size:13px;color:#546a72}footer p{max-width:760px}footer nav{margin-top:18px}.skip{position:absolute;top:-100px;padding:10px;background:white}.skip:focus{top:0}.example,.audio-example{margin:24px 0;padding:24px;background:#fff;border:1px solid #d9e2e0;border-radius:12px}.example figcaption,.audio-example figcaption{font-size:13px;font-weight:700;color:#456873}.example blockquote{margin:0}.audio-example audio{display:block;width:100%;margin-top:16px}.table-scroll{overflow-x:auto;max-width:100%}table{width:100%;border-collapse:collapse;font-size:15px}th,td{padding:12px;text-align:left;border-bottom:1px solid #d9e2e0}th{background:#e9efed}@media(max-width:650px){header,main,footer{padding:20px}header{align-items:flex-start;flex-direction:column}header nav{gap:12px 20px}.hero{padding-top:32px}.intro{font-size:18px}.example,.audio-example{padding:18px}th,td{padding:10px}}