:root {
  --navy: #0b1f3a;
  --navy-light: #16325c;
  --accent: #c9a227;
  --text: #1f2937;
  --text-muted: #6b7280;
  --bg: #ffffff;
  --bg-alt: #f5f7fa;
  --border: #e5e7eb;
}

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

body {
  font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}

.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }

header {
  background: var(--navy);
  color: #fff;
  padding: 16px 0;
}
header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.25rem; font-weight: 700; letter-spacing: 0.5px; }
.logo span { color: var(--accent); }
nav a { color: #d1d5db; text-decoration: none; margin-left: 24px; font-size: 0.95rem; }
nav a:hover { color: #fff; }

.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-light) 100%);
  color: #fff;
  padding: 80px 0 72px;
  text-align: center;
}
.hero h1 { font-size: 2.4rem; line-height: 1.3; margin-bottom: 20px; }
.hero p.sub { font-size: 1.15rem; color: #cbd5e1; max-width: 700px; margin: 0 auto 32px; }
.hero .disclaimer-chip {
  display: inline-block;
  font-size: 0.85rem;
  color: #cbd5e1;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 999px;
  padding: 6px 18px;
}

.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--navy);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 14px 40px;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.2s;
}
.btn:hover { opacity: 0.9; }

section { padding: 64px 0; }
section.alt { background: var(--bg-alt); }
h2 { font-size: 1.8rem; color: var(--navy); margin-bottom: 32px; text-align: center; }
h3 { color: var(--navy); margin-bottom: 12px; }

.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.feature {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
}
.feature h3 { font-size: 1.1rem; }
.feature p { color: var(--text-muted); font-size: 0.95rem; }

.pricing-box {
  max-width: 560px;
  margin: 0 auto;
  background: #fff;
  border: 2px solid var(--navy);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
}
.pricing-box .plan-name { font-size: 1.2rem; font-weight: 700; color: var(--navy); margin-bottom: 20px; }
.price-line { display: flex; justify-content: space-between; padding: 14px 8px; border-bottom: 1px solid var(--border); text-align: left; }
.price-line .label { color: var(--text-muted); }
.price-line .amount { font-weight: 700; color: var(--navy); }
.pricing-note { font-size: 0.9rem; color: var(--text-muted); margin-top: 20px; text-align: left; }

.consent {
  max-width: 720px;
  margin: 32px auto 0;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
}
.consent p + p { margin-top: 12px; }

.disclaimer-box {
  background: #fff8e6;
  border: 1px solid #e6cf8b;
  border-radius: 8px;
  padding: 24px;
  font-size: 0.95rem;
}

.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-item h3 { font-size: 1.05rem; }
.faq-item p { color: var(--text-muted); }

footer {
  background: var(--navy);
  color: #9ca3af;
  padding: 40px 0;
  font-size: 0.85rem;
}
footer a { color: #d1d5db; text-decoration: none; margin-right: 20px; }
footer a:hover { color: #fff; }
footer .legal { margin-top: 16px; line-height: 1.8; }

.legal-page { padding: 56px 0; max-width: 800px; margin: 0 auto; }
.legal-page h1 { color: var(--navy); font-size: 1.9rem; margin-bottom: 8px; }
.legal-page .updated { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 32px; }
.legal-page h2 { font-size: 1.25rem; text-align: left; margin: 32px 0 12px; }
.legal-page p, .legal-page li { color: var(--text); font-size: 0.98rem; margin-bottom: 12px; }
.legal-page ul { padding-left: 24px; }

@media (max-width: 600px) {
  .hero h1 { font-size: 1.7rem; }
  nav a { margin-left: 14px; font-size: 0.85rem; }
}