:root{--bg:#f7f7f4;--surface:rgba(255,255,255,.82);--text:#171717;--muted:#626262;--line:rgba(23,23,23,.11);--accent:#1769e0;--shadow:0 20px 60px rgba(0,0,0,.08);--radius:28px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:radial-gradient(circle at 15% 0%,rgba(23,105,224,.10),transparent 34rem),radial-gradient(circle at 100% 25%,rgba(79,189,156,.12),transparent 30rem),var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.6}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{width:min(1120px,calc(100% - 40px));margin:auto}.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);background:rgba(247,247,244,.76);border-bottom:1px solid var(--line)}.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:780;letter-spacing:-.02em}.mark{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:#111;color:white;box-shadow:0 8px 20px rgba(0,0,0,.14)}.mark svg{width:23px;height:23px}.links{display:flex;align-items:center;gap:22px;font-size:.95rem}.hero{padding:92px 0 68px;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.55);font-weight:650;font-size:.84rem}h1{font-size:clamp(3.2rem,9vw,7.2rem);line-height:.9;letter-spacing:-.075em;margin:25px 0 22px}.hero p{max-width:760px;margin:0 auto;color:var(--muted);font-size:clamp(1.1rem,2.4vw,1.42rem)}.actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 20px;border-radius:15px;font-weight:720;border:1px solid var(--line);background:white;color:var(--text);box-shadow:0 8px 24px rgba(0,0,0,.05)}.button.primary{background:var(--text);color:white;border-color:var(--text)}.button:hover{text-decoration:none;transform:translateY(-1px)}.preview{margin:30px auto 0;max-width:900px;padding:30px;border-radius:36px;background:linear-gradient(140deg,#171717,#303030);box-shadow:var(--shadow);color:white;overflow:hidden}.board{display:grid;grid-template-columns:repeat(10,1fr);gap:6px;max-width:660px;margin:auto}.cell{aspect-ratio:1;border-radius:8px;background:rgba(255,255,255,.07)}.cell.on{background:linear-gradient(145deg,#3d8cff,#1769e0);box-shadow:inset 0 0 0 2px rgba(255,255,255,.12)}.section{padding:72px 0}.section h2{font-size:clamp(2.1rem,5vw,3.7rem);line-height:1.05;letter-spacing:-.055em;margin:0 0 16px}.lead{color:var(--muted);max-width:700px;font-size:1.13rem;margin-bottom:32px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:0 14px 44px rgba(0,0,0,.045)}.card h3{font-size:1.25rem;margin:12px 0 8px;letter-spacing:-.025em}.card p{color:var(--muted);margin:0}.icon{font-size:1.55rem}.band{border:1px solid var(--line);border-radius:34px;padding:42px;background:#171717;color:white;display:flex;align-items:center;justify-content:space-between;gap:28px}.band h2{margin:0;color:white}.band p{margin:8px 0 0;color:#c9c9c9}.legal-wrap{width:min(860px,calc(100% - 40px));margin:auto;padding:72px 0}.legal-wrap h1{font-size:clamp(2.6rem,7vw,5rem);margin:0 0 12px;letter-spacing:-.06em}.legal-wrap h2{font-size:1.4rem;margin-top:42px;letter-spacing:-.025em}.legal-wrap h3{font-size:1.05rem;margin-top:26px}.legal-wrap p,.legal-wrap li{color:#444}.notice{margin:24px 0;padding:18px 20px;border-left:4px solid var(--accent);background:rgba(23,105,224,.07);border-radius:0 14px 14px 0}.faq{border-top:1px solid var(--line)}.faq details{padding:20px 0;border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:720}.faq p{margin-bottom:0}footer{padding:36px 0 48px;border-top:1px solid var(--line);color:var(--muted);font-size:.92rem}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-links{display:flex;gap:18px;flex-wrap:wrap}@media(max-width:800px){.links a:not(.button){display:none}.grid{grid-template-columns:1fr}.hero{padding-top:68px}.preview{padding:18px;border-radius:26px}.board{gap:4px}.cell{border-radius:5px}.band{align-items:flex-start;flex-direction:column;padding:30px}}