:root{color-scheme:light;--bg:#f7f8fc;--ink:#172135;--muted:#606c80;--blue:#215de5;--line:#e0e6f0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.65}a{color:var(--blue);text-underline-offset:3px}a:focus-visible,button:focus-visible,summary:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:4px}header,main,footer{max-width:820px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid var(--line)}header>a,footer>a{display:inline-flex;min-height:44px;align-items:center}.brand{gap:10px;text-decoration:none;font-size:23px;letter-spacing:-.7px;font-weight:700;color:var(--ink)}.brand img{border-radius:10px}main{padding-top:46px}.eyebrow{font-size:14px;color:var(--blue);font-weight:600;margin:0 0 12px}h1{font-size:clamp(32px,6vw,46px);line-height:1.1;letter-spacing:-1.5px;max-width:640px;margin:0 0 22px}h2{font-size:28px;line-height:1.2;letter-spacing:-.6px}h3{font-size:21px;line-height:1.35;margin-top:32px}p{margin:14px 0}li{margin:12px 0}ul{padding-left:24px}.lede{font-size:18px;line-height:1.55;max-width:620px}button{margin-top:12px;min-height:50px;border:0;border-radius:14px;padding:13px 22px;background:var(--blue);color:white;font:inherit;font-weight:600;cursor:pointer}button:hover{background:#174ac5}button[hidden]{display:none}#copy-status{min-height:26px;color:var(--blue);font-weight:600;margin:10px 0}details{border:1px solid var(--line);background:white;border-radius:14px;padding:4px 16px}summary{cursor:pointer;min-height:44px;padding:10px 0}label{display:block;margin:10px 0;font-weight:600}textarea{width:100%;font:inherit;line-height:1.55;resize:vertical;border:1px solid var(--line);border-radius:8px;padding:12px;color:var(--ink);background:white;min-height:260px}.guide-note{font-size:15px;color:var(--muted)}.markdown-link{display:inline-flex;align-items:center;min-height:44px}article{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);overflow-wrap:anywhere}pre{font-size:14px;line-height:1.6;background:white;border:1px solid var(--line);border-radius:14px;padding:18px;white-space:pre-wrap;overflow-wrap:anywhere}footer{display:flex;flex-wrap:wrap;gap:12px 24px;border-top:1px solid var(--line);padding-bottom:max(24px,env(safe-area-inset-bottom))}.skip{position:fixed;left:12px;top:12px;padding:12px;background:white;z-index:1;transform:translateY(-150%)}.skip:focus{transform:none}@media(max-width:380px){header,main,footer{padding-left:18px;padding-right:18px}header{font-size:14px}main{padding-top:30px}}