:root{color-scheme:light;--ink:#171714;--muted:#5f625f;--paper:#f7f7f4;--line:#deded8;--accent:#087cf1}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif;-webkit-font-smoothing:antialiased}
main{width:min(100% - 36px,700px);margin:auto}.top{display:flex;align-items:center;justify-content:space-between;padding:24px 0;border-bottom:1px solid var(--line)}.brand{color:var(--ink);font-size:.8rem;font-weight:900;letter-spacing:.16em;text-decoration:none}.back{color:var(--muted);font-size:.85rem;font-weight:700;text-decoration:none}
.hero{padding:50px 0 34px}.kicker{margin:0 0 16px;color:var(--accent);font-size:.78rem;font-weight:900;letter-spacing:.1em}.hero h1{max-width:650px;margin:0;font-size:clamp(2.05rem,8vw,3.65rem);line-height:1.2;letter-spacing:-.045em}.lead{margin:22px 0 0;color:#424640;font-size:1.05rem;line-height:1.85}.app{display:flex;align-items:center;gap:14px;margin:28px 0 0}.app img{width:56px;height:56px;border-radius:14px}.app strong,.app span{display:block}.app span{margin-top:3px;color:var(--muted);font-size:.82rem}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;margin-top:28px;padding:0 22px;border-radius:15px;color:#fff;background:var(--accent);font-size:1rem;font-weight:800;text-decoration:none}.button:focus-visible,.back:focus-visible,.brand:focus-visible{outline:3px solid #101010;outline-offset:3px}.note{margin:12px 0 0;color:var(--muted);font-size:.82rem;line-height:1.6}
article{padding-bottom:56px}article section{padding:32px 0;border-top:1px solid var(--line)}article h2{margin:0 0 15px;font-size:1.55rem;line-height:1.4;letter-spacing:-.03em}article p,article li{font-size:1rem;line-height:1.9}article p{margin:0 0 15px}article ol,article ul{margin:0;padding-left:1.5em}article li+li{margin-top:10px}.callout{padding:22px;border-radius:20px;background:#e8edf3}.callout p:last-child{margin-bottom:0}.faq h3{margin:25px 0 8px;font-size:1.1rem}.faq p{color:#424640}.final{padding:30px;border:1px solid var(--line);border-radius:24px;background:#fff}.final h2{margin:0}.final p{margin:14px 0 0}
footer{padding:30px 0 52px;border-top:1px solid var(--line);color:var(--muted);font-size:.78rem}footer a{color:inherit}
@media(max-width:420px){main{width:min(100% - 32px,700px)}.hero{padding-top:38px}.final{padding:24px}.button{width:100%}}