:root {
  --bg: #0a0e1a;
  --bg2: #111827;
  --bg3: #1f2937;
  --ac: #f59e0b;
  --ac2: #3b82f6;
  --tx: #f9fafb;
  --tx2: #9ca3af;
  --bd: #374151;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--tx);
  line-height: 1.7;
}
a { color: var(--ac2); }
.header {
  background: linear-gradient(135deg, #0f172a, #1e1b4b, #0f172a);
  border-bottom: 2px solid var(--ac);
  padding: 1rem 1.5rem;
}
.header-inner, .wrap, .footer-inner {
  max-width: 1000px;
  margin: 0 auto;
}
.brand {
  font-weight: 900;
  font-size: 1.2rem;
  text-decoration: none;
  color: var(--tx);
}
.brand span { color: var(--ac); }
.hero {
  padding: 2.2rem 1.5rem 1.2rem;
  background: linear-gradient(180deg, rgba(245,158,11,.08), rgba(10,14,26,0));
}
.hero h1 { margin: 0 0 .6rem; font-size: clamp(1.6rem, 4vw, 2.5rem); }
.hero p { margin: 0; color: var(--tx2); }
.wrap {
  padding: 0 1.5rem 2rem;
}
.card {
  background: var(--bg2);
  border: 1px solid var(--bd);
  border-radius: 16px;
  padding: 1.3rem;
  margin-bottom: 1rem;
  box-shadow: 0 10px 24px rgba(0,0,0,.22);
}
.card h2 {
  margin: 0 0 .7rem;
  font-size: 1.1rem;
}
.card p, .card li {
  color: var(--tx2);
  font-size: .95rem;
}
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.cta-row {
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .8rem 1rem;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 800;
}
.btn.primary { background: linear-gradient(135deg, #f59e0b, #f97316); color: #111827; }
.btn.secondary { border: 1px solid rgba(255,255,255,.12); color: var(--tx); background: rgba(255,255,255,.04); }
.kicker {
  display: inline-block;
  margin-bottom: .8rem;
  padding: .35rem .6rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 900;
  background: rgba(245,158,11,.12);
  color: var(--ac);
}
.footer {
  padding: 0 1.5rem 2rem;
}
.footer-inner {
  padding-top: 1rem;
  border-top: 1px solid var(--bd);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-inner p { margin: 0; color: var(--tx2); font-size: .82rem; }
@media (max-width: 768px) {
  .grid { grid-template-columns: 1fr; }
}