:root{--ink:#171226;--muted:#665f75;--paper:#fffaff;--violet:#7c3aed;--coral:#ff6b8b;--aqua:#22cdbd;--line:#e9e2f0;--card:#fff}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}.wrap{width:min(1080px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:5;background:#fffaffdf;backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.header-inner,.nav,.actions{display:flex;align-items:center}.header-inner{justify-content:space-between;min-height:68px}.brand{font-weight:800;font-size:1.15rem;color:var(--ink);text-decoration:none}.mark{display:inline-grid;place-items:center;width:28px;height:28px;margin-right:8px;border-radius:9px;background:linear-gradient(135deg,var(--violet),var(--coral),var(--aqua));color:#fff}.nav{gap:18px}.nav a{color:var(--muted);text-decoration:none}.nav a:hover,.nav a:focus{color:var(--violet)}.hero{padding:84px 0 52px;background:radial-gradient(circle at 85% 8%,#d5fff8 0,transparent 26%),radial-gradient(circle at 5% 0,#f0ddff 0,transparent 30%)}.eyebrow{color:var(--violet);font-weight:750;letter-spacing:.08em;text-transform:uppercase;font-size:.76rem}.hero h1{max-width:720px;margin:.2rem 0;font-size:clamp(2.6rem,7vw,5.8rem);line-height:.96;letter-spacing:-.065em}.lead{max-width:650px;font-size:1.2rem;color:var(--muted)}.actions{gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-block;border-radius:999px;padding:12px 20px;text-decoration:none;background:var(--ink);color:#fff;font-weight:700}.button.alt{background:#eee8f5;color:var(--ink)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:34px 0 76px}.card,.notice{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:23px;box-shadow:0 8px 30px #27113a08}.card h2{margin-top:0;font-size:1.15rem}.content{padding:58px 0 84px;max-width:800px}.content h1{font-size:clamp(2.2rem,6vw,4rem);line-height:1;letter-spacing:-.05em}.content h2{margin-top:2.3em;font-size:1.3rem}.meta{color:var(--muted)}.notice{margin-top:24px;background:#f7f0ff}.site-footer{padding:30px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}.site-footer a,.content a{color:#5b20c9}@media(max-width:700px){.header-inner{gap:10px}.nav{gap:10px;font-size:.86rem}.hero{padding-top:56px}.grid{grid-template-columns:1fr}.wrap{width:min(100% - 28px,1080px)}}