:root {
  --bg: #0b0f19;
  --panel: #121827;
  --panel-soft: #171f31;
  --text: #f7f8fb;
  --muted: #aeb7c8;
  --line: rgba(255,255,255,.1);
  --accent: #8b5cf6;
  --accent-hover: #7c3aed;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 15% -10%, rgba(139,92,246,.20), transparent 34rem),
    var(--bg);
  font-family: Inter, "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}
a { color: inherit; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 72px; border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 1.18rem; }
.brand i, .brand span { color: var(--accent); }
.header-link { color: var(--muted); text-decoration: none; font-size: .92rem; }
.hero { padding: 88px 0 72px; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0 0 20px; padding: 7px 13px; border: 1px solid rgba(139,92,246,.38);
  border-radius: 999px; color: #d8ccff; background: rgba(139,92,246,.1); font-size: .84rem; font-weight: 700;
}
h1 { max-width: 900px; margin: 0 auto; font-size: clamp(2.15rem, 6vw, 4.25rem); line-height: 1.12; letter-spacing: -.045em; }
.lead { max-width: 760px; margin: 24px auto 0; color: var(--muted); font-size: clamp(1rem, 2vw, 1.2rem); }
.actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 34px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  min-height: 52px; padding: 0 23px; border-radius: 12px; text-decoration: none; font-weight: 750;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { border: 1px solid var(--line); background: rgba(255,255,255,.035); color: var(--text); }
.microcopy { margin-top: 16px; color: #8994a7; font-size: .86rem; }
.feature-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  padding: 0 0 82px;
}
.card {
  padding: 25px; border: 1px solid var(--line); border-radius: 18px;
  background: linear-gradient(160deg, rgba(255,255,255,.055), rgba(255,255,255,.018));
}
.card i { color: #c5b5ff; font-size: 1.25rem; }
.card h2 { margin: 13px 0 7px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .94rem; }
.section { padding: 76px 0; border-top: 1px solid var(--line); }
.section-heading { max-width: 760px; margin-bottom: 30px; }
.section-heading h2 { margin: 0; font-size: clamp(1.65rem, 4vw, 2.6rem); letter-spacing: -.03em; }
.section-heading p { color: var(--muted); margin: 12px 0 0; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: step; }
.step { position: relative; padding: 25px; border-radius: 18px; background: var(--panel); border: 1px solid var(--line); }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 31px; height: 31px; border-radius: 50%;
  background: rgba(139,92,246,.16); color: #d6caff; font-weight: 800;
}
.step h3 { margin: 16px 0 7px; }
.step p { margin: 0; color: var(--muted); }
.specs { display: grid; grid-template-columns: 1.1fr .9fr; gap: 18px; align-items: stretch; }
.spec-panel { padding: 28px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; }
.spec-panel h3 { margin-top: 0; }
.spec-list { margin: 0; padding: 0; list-style: none; }
.spec-list li { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.07); color: var(--muted); }
.spec-list li:last-child { border-bottom: 0; }
.spec-list i { margin-top: .38em; color: #9f87ff; }
.faq details { padding: 18px 0; border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 750; }
.faq p { color: var(--muted); margin-bottom: 0; }
.final-cta { text-align: center; padding: 78px 0; border-top: 1px solid var(--line); }
.final-cta h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin: 0; }
.final-cta p { color: var(--muted); }
footer { padding: 28px 0 38px; border-top: 1px solid var(--line); color: #8490a4; font-size: .86rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-nav { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-nav a { text-decoration: none; }
@media (max-width: 780px) {
  .wrap { width: min(calc(100% - 28px), var(--max)); }
  .hero { padding: 62px 0 54px; }
  .feature-grid, .steps, .specs { grid-template-columns: 1fr; }
  .section { padding: 58px 0; }
  .header-link { display: none; }
}
.top-nav{display:flex;align-items:center;gap:18px}.top-nav a{text-decoration:none;color:var(--muted);font-size:.92rem}.hub-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.hub-card{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border:1px solid var(--line);border-radius:15px;background:var(--panel);text-decoration:none;font-weight:750}.hub-card:hover{border-color:rgba(139,92,246,.55);transform:translateY(-1px)}.hub-card i{color:#b9a7ff}@media(max-width:780px){.hub-grid{grid-template-columns:1fr}.top-nav>a:first-child{display:none}}