:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #14202b;
  --sub: #5b6b7a;
  --faint: #93a1ae;
  --border: #e3e8ee;
  --primary: #1478d4;
  --primary-soft: #e8f2fc;
  --navy: #0b131c;
  --success: #1f9d63;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Meiryo", sans-serif;
  font-size: 16px;
  line-height: 1.8;
}

a { color: var(--primary); }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }

/* ヘッダー */
header.site {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
header.site .wrap { display: flex; align-items: center; gap: 10px; height: 60px; }
header.site a.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 800; }
header.site img { width: 32px; height: 32px; border-radius: 8px; }
header.site nav { margin-left: auto; display: flex; gap: 16px; font-size: 14px; }
header.site nav a { color: var(--sub); text-decoration: none; font-weight: 600; }
header.site nav a:hover { color: var(--primary); }

/* トップ */
.hero { background: var(--navy); color: #fff; padding: 56px 0 64px; text-align: center; }
.hero img { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 10px 30px rgba(0,0,0,.35); }
.hero h1 { font-size: 36px; margin: 20px 0 8px; letter-spacing: .02em; }
.hero .catch { font-size: 20px; color: #6cc0ff; font-weight: 800; margin: 0; }
.hero .lead { color: #c8d3de; margin: 12px auto 0; max-width: 560px; }
.hero .cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0 24px; border-radius: 999px;
  font-weight: 800; text-decoration: none; font-size: 16px;
}
.btn.primary { background: var(--primary); color: #fff; }
.btn.light { background: #fff; color: var(--navy); }
.btn.disabled { background: rgba(255,255,255,.12); color: #c8d3de; cursor: default; }

section { padding: 48px 0; }
section h2 { font-size: 24px; margin: 0 0 20px; text-align: center; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 20px; }
.card h3 { margin: 10px 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--sub); font-size: 15px; line-height: 1.7; }
.icon {
  width: 44px; height: 44px; border-radius: 14px; background: var(--primary-soft);
  display: flex; align-items: center; justify-content: center; color: var(--primary);
}
.icon svg { width: 24px; height: 24px; }

.price { display: flex; justify-content: space-between; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--border); }
.price:last-child { border-bottom: 0; }
.price b { font-size: 17px; }
.price span { background: var(--primary); color: #fff; font-weight: 800; border-radius: 999px; padding: 6px 14px; white-space: nowrap; }
.note { color: var(--sub); font-size: 14px; }

/* 文書ページ */
.doc { background: var(--card); border: 1px solid var(--border); border-radius: 20px; padding: 28px 24px; margin: 32px auto 48px; }
.doc h1 { font-size: 26px; margin: 0 0 6px; }
.doc .updated { color: var(--faint); font-size: 14px; margin: 0 0 24px; }
.doc h2 { font-size: 18px; margin: 28px 0 8px; padding-left: 10px; border-left: 4px solid var(--primary); text-align: left; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 12px 10px; border-bottom: 1px solid var(--border); }
.doc th { width: 34%; color: var(--sub); font-weight: 700; background: #fafbfd; }
.doc ul { padding-left: 1.3em; }

.faq details { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 14px 18px; margin-bottom: 10px; }
.faq summary { font-weight: 800; cursor: pointer; }
.faq details p { color: var(--sub); margin: 10px 0 0; }

footer.site { border-top: 1px solid var(--border); background: var(--card); padding: 28px 0; font-size: 14px; color: var(--sub); }
footer.site .links { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 10px; }
footer.site a { color: var(--sub); }

@media (max-width: 560px) {
  .hero h1 { font-size: 30px; }
  .hero .catch { font-size: 17px; }
  header.site nav { gap: 12px; font-size: 13px; }
  .doc { padding: 22px 16px; }
  .doc th, .doc td { display: block; width: 100%; border-bottom: 0; padding: 6px 0; background: none; }
  .doc tr { display: block; border-bottom: 1px solid var(--border); padding: 8px 0; }
}