:root{--ink:#14213d;--ink2:#3d4a66;--muted:#6b7590;--line:#e3e7ef;--bg:#f6f8fc;--accent:#ff5a1f;--accent2:#ff8a3d;--ok:#0f9d58;--blue:#2b6cb0;--radius:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Noto Sans CJK JP","Yu Gothic UI","Meiryo",sans-serif;color:var(--ink);background:#fff;line-height:1.75;font-size:16px;letter-spacing:.02em;font-feature-settings:"palt"}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.sec{padding:60px 0}.sec.alt{background:var(--bg)}
h1,h2,h3{line-height:1.35;margin:0 0 .5em;letter-spacing:.01em;word-break:auto-phrase;text-wrap:pretty}
h2{font-size:clamp(22px,5.6vw,30px);text-align:center}
.lead{color:var(--ink2);text-align:center;max-width:680px;margin:0 auto 28px;word-break:auto-phrase;text-wrap:pretty}
.eyebrow{display:block;text-align:center;font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.12em;margin-bottom:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4em;border:0;cursor:pointer;font-family:inherit;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;font-weight:800;font-size:17px;padding:16px 28px;border-radius:999px;text-decoration:none;box-shadow:0 8px 24px rgba(255,90,31,.32);transition:transform .15s}
.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:wait}.btn.block{width:100%}
.btn.ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);box-shadow:none}
.note{font-size:12.5px;color:var(--muted)}
.demo-banner{background:#fff3cd;border:1px solid #f0c36d;color:#6b4e00;border-radius:12px;padding:10px 14px;font-size:14px;margin:0 0 16px}
header.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:56px}
.logo{font-weight:900;font-size:18px;text-decoration:none;display:flex;align-items:center;gap:8px}
.logo i{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--ink);color:#fff;font-style:normal;font-size:13px}
.logo small{font-size:11px;font-weight:700;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
header .btn{padding:9px 16px;font-size:14px;box-shadow:none}
footer{background:#0b1222;color:#9fb0d9;font-size:12.5px;padding:36px 0 40px}
footer a{color:#c8d2ea}
.legal{background:#111a30;border-radius:12px;padding:16px 18px;margin:16px 0;line-height:1.8}
.legal h4{color:#e6ecff;margin:0 0 6px;font-size:13.5px}
.legal dl{display:grid;grid-template-columns:8.5em 1fr;gap:2px 12px;margin:0}.legal dt{color:#8a99c2}.legal dd{margin:0}
@media (max-width:480px){.logo{font-size:16px;gap:6px}.logo small{display:none}header .btn{padding:8px 14px;font-size:13px;white-space:nowrap}}