:root{font-family:'Plus Jakarta Sans',sans-serif;color:#15223b;background:#fff;font-synthesis:none}*{box-sizing:border-box}body{margin:0;line-height:1.85}header,main,footer{width:min(760px,calc(100% - 40px));margin-inline:auto}header{display:flex;align-items:center;justify-content:space-between;padding:20px 0;border-bottom:1px solid #e4e8ef}header img{display:block;width:160px;height:80px;object-fit:contain}header nav{display:flex;align-items:center;gap:2px}button{font:inherit;font-size:13px;min-width:44px;min-height:44px;border:0;border-radius:50%;color:inherit;background:transparent;cursor:pointer}button[aria-pressed=true]{background:#edf0ff;color:#3455da;font-weight:800}main{padding:36px 0 50px}h1{font-size:clamp(30px,5vw,44px);line-height:1.2;letter-spacing:-.04em;margin:26px 0 16px}h2{font-size:22px;line-height:1.4;letter-spacing:-.025em;margin:0 0 14px}p{margin:0 0 20px;font-size:15px}a{color:#304fce;text-underline-offset:4px;overflow-wrap:anywhere}.updated{font-size:13px;color:#606c80}.contents{padding:24px;background:#f4f6fb;border-radius:20px;margin:30px 0 40px}.contents h2{font-size:18px}.contents ol{margin:0;padding-left:22px}.contents a{font-size:14px}section{margin-bottom:36px;scroll-margin-top:24px}footer{border-top:1px solid #e4e8ef;padding:24px 0 40px;color:#606c80}footer p,footer nav{font-size:12px}footer p{margin-bottom:8px}a:focus-visible,button:focus-visible{outline:3px solid #3655df;outline-offset:4px}.skip{position:absolute;left:20px;top:-100px;background:white;padding:12px;z-index:10}.skip:focus{top:10px}@media(max-width:450px){header img{width:132px;height:66px}main{padding-top:26px}.contents{padding:20px}p{font-size:14px}h2{font-size:20px}}