:root{--ink:#1c2128;--ink-2:#5b646e;--line:#e6e8ec;--bg:#ffffff;--accent:#2f3b52;--accent-2:#8aa0c4;--soft:#eef1f6}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,Apple SD Gothic Neo,Pretendard,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit}.wrap{max-width:1080px;margin:0 auto;padding-left:24px;padding-right:24px}header{position:-webkit-sticky;position:sticky;top:0;background:rgba(255,255,255,.9);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);z-index:10}.nav{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-weight:800;font-size:18px;letter-spacing:-.02em}.brand small{display:block;font-weight:500;font-size:11px;color:var(--ink-2);letter-spacing:0}.nav a.cta{background:var(--accent);color:#fff;padding:10px 18px;border-radius:8px;text-decoration:none;font-weight:700;font-size:14px}.hero{padding:56px 0 40px;background:linear-gradient(180deg,#fff 0,var(--soft) 100%)}.tag{display:inline-block;font-size:13px;font-weight:700;color:var(--accent);background:#fff;border:1px solid var(--line);padding:6px 12px;border-radius:99px;margin-bottom:22px}h1{font-size:clamp(30px,5vw,52px);line-height:1.18;letter-spacing:-.03em;font-weight:800}h1 .hl{color:var(--accent)}.sub{margin-top:20px;font-size:clamp(16px,2.2vw,20px);color:var(--ink-2);max-width:620px}.actions{margin-top:34px;display:flex;gap:12px;flex-wrap:wrap}.btn{padding:14px 26px;border-radius:10px;text-decoration:none;font-weight:700;font-size:16px}.btn-primary{background:var(--accent);color:#fff}.btn-ghost{background:#fff;color:var(--accent);border:1px solid var(--line)}.note{margin-top:14px;font-size:13px;color:var(--ink-2)}section{padding-top:44px;padding-bottom:44px}.eyebrow{font-size:13px;font-weight:700;color:var(--accent-2);letter-spacing:.04em;text-transform:uppercase}h2{font-size:clamp(24px,3.4vw,34px);letter-spacing:-.02em;margin-top:8px;font-weight:800}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:20px;gap:20px;margin-top:24px}.card{border:1px solid var(--line);border-radius:14px;padding:26px;background:#fff}.card .ic{font-size:26px}.card h3{margin:12px 0 6px;font-size:18px;letter-spacing:-.01em}.card p{color:var(--ink-2);font-size:15px}.flow{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}.flow .step{flex:1 1;min-width:200px;border:1px solid var(--line);border-radius:14px;padding:24px;background:#fff}.flow .n{font-size:13px;font-weight:800;color:#fff;background:var(--accent);width:26px;height:26px;border-radius:99px;display:flex;align-items:center;justify-content:center}.flow h3{margin:14px 0 6px;font-size:17px}.flow p{color:var(--ink-2);font-size:14px}.secure{background:var(--accent);border-radius:18px;padding:44px}.secure,.secure h2{color:#fff}.secure .grid .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16)}.secure .card h3{color:#fff}.secure .card p{color:#c8d2e4}footer{border-top:1px solid var(--line);padding:48px 0;color:var(--ink-2);font-size:14px}.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.foot strong{color:var(--ink);font-size:16px}.foot a.cta{background:var(--accent);color:#fff;padding:10px 18px;border-radius:8px;text-decoration:none;font-weight:700}