:root{font-family:system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:#153a35;background:#faf8f2;line-height:1.7}body{margin:0}main,header,footer{max-width:780px;margin:auto;padding:24px}header{border-bottom:1px solid #dfdfd4}a{color:#17554b;text-underline-offset:3px}a:focus-visible{outline:3px solid #628c3d;outline-offset:4px}h1{font-size:clamp(30px,5vw,44px);line-height:1.2;letter-spacing:-1px}h2{line-height:1.3;margin-top:36px}.intro{font-size:19px;color:#51646a}.note{background:#e9efe4;padding:16px;border-radius:10px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:530px;font-size:15px}caption{text-align:left;margin-bottom:12px;color:#51646a}th,td{padding:12px 10px;border-bottom:1px solid #dfdfd4;text-align:left}td:nth-child(n+2),th:nth-child(n+2){text-align:right}.equation{font-size:21px;font-weight:700}.offer{padding:22px;border:1px solid #dfdfd4;border-radius:12px;background:white;margin-top:36px}.button{display:inline-block;background:#17554b;color:white;padding:10px 16px;border-radius:7px;text-decoration:none}footer{font-size:13px;color:#51646a}li{margin-bottom:10px}
.offer h2{margin-top:0}