:root {
  --bg: #0a0b14;
  --bg-card: #14162280;
  --text: #eef0f8;
  --text-dim: #9aa0b8;
  --accent: #5b7cfa;
  --accent2: #ffd34d;
  --border: #2a2d44;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(14px);
  background: #0a0b14cc;
  border-bottom: 1px solid var(--border);
  z-index: 10;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text);
}

.brand .logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, #2a3df0, #11142e);
  display: grid;
  place-items: center;
  font-family: Georgia, serif;
  font-size: 19px;
  color: #fff;
}

.nav-links { display: flex; gap: 22px; font-size: 0.92rem; }
.nav-links a { color: var(--text-dim); }
.nav-links a:hover { color: var(--text); text-decoration: none; }

.hero {
  text-align: center;
  padding: 90px 0 70px;
  background:
    radial-gradient(ellipse 60% 45% at 50% 0%, #2a3df033, transparent),
    radial-gradient(ellipse 40% 30% at 80% 20%, #ffd34d14, transparent);
}

.hero .app-icon {
  width: 108px;
  height: 108px;
  border-radius: 26px;
  background: linear-gradient(135deg, #2a3df0, #11142e);
  display: grid;
  place-items: center;
  font-family: Georgia, serif;
  font-size: 56px;
  font-weight: bold;
  color: #fff;
  margin: 0 auto 26px;
  box-shadow: 0 18px 50px #2a3df055;
}

.hero h1 { font-size: 2.6rem; letter-spacing: 0.02em; }
.hero .tagline { color: var(--text-dim); font-size: 1.15rem; margin-top: 12px; }

.badge {
  display: inline-block;
  margin-top: 26px;
  padding: 10px 26px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
}
.badge.soon { background: #2a2d44; color: var(--text-dim); }

section { padding: 56px 0; }
section h2 {
  font-size: 1.5rem;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
section h2::before {
  content: "◆";
  color: var(--accent2);
  font-size: 0.9rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
}
.card .emoji { font-size: 1.7rem; }
.card h3 { font-size: 1.02rem; margin: 10px 0 6px; }
.card p { color: var(--text-dim); font-size: 0.9rem; }

footer {
  border-top: 1px solid var(--border);
  padding: 36px 0 48px;
  color: var(--text-dim);
  font-size: 0.88rem;
}
footer .links { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 14px; }

/* 法務ページ */
.legal { padding: 56px 0 80px; }
.legal h1 { font-size: 1.8rem; margin-bottom: 8px; }
.legal .updated { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 36px; }
.legal h2 { font-size: 1.2rem; margin: 36px 0 12px; padding-left: 12px; border-left: 4px solid var(--accent); }
.legal h2::before { content: none; }
.legal p, .legal li { color: #c9cde0; font-size: 0.95rem; }
.legal ul { padding-left: 24px; margin: 10px 0; }
.legal .note {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 16px 0;
  font-size: 0.9rem;
  color: var(--text-dim);
}

@media (max-width: 600px) {
  .hero h1 { font-size: 2rem; }
  .nav-links { gap: 14px; font-size: 0.85rem; }
}