:root {
  --blue: #2563eb;
  --blue-d: #1e40af;
  --blue-l: #eff6ff;
  --text: #1e2d3d;
  --sub: #6b7280;
  --border: #e5e7eb;
  --bg: #f7f9fc;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
}
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  font-size: 15px;
}
a { color: inherit; text-decoration: none; }
.legal-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.legal-nav-inner {
  max-width: 980px;
  margin: 0 auto;
  height: 60px;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { font-size: 18px; font-weight: 900; color: var(--blue); letter-spacing: -.4px; }
.brand span { color: var(--text); }
.nav-links { display: flex; align-items: center; gap: 16px; font-size: 13px; font-weight: 700; color: var(--sub); }
.nav-links a:hover { color: var(--blue); }
.legal-wrap { max-width: 980px; margin: 0 auto; padding: 54px 20px 72px; }
.legal-hero { margin-bottom: 28px; }
.eyebrow { font-size: 11px; letter-spacing: 2px; font-weight: 800; color: var(--blue); margin-bottom: 8px; }
h1 { font-size: clamp(28px, 5vw, 42px); line-height: 1.25; margin-bottom: 10px; }
.lead { color: var(--sub); max-width: 760px; }
.notice {
  margin: 24px 0;
  padding: 16px 18px;
  border: 1px solid #bfdbfe;
  background: var(--blue-l);
  border-radius: var(--radius);
  color: #1e40af;
  font-size: 13px;
  font-weight: 700;
}
.notice.notice-warn {
  border-color: #fcd34d;
  background: #fffbeb;
  color: #92400e;
}
.legal-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-top: 18px;
}
h2 { font-size: 20px; margin: 24px 0 10px; }
h2:first-child { margin-top: 0; }
h3 { font-size: 16px; margin: 18px 0 8px; }
p, li { color: #374151; }
ul, ol { padding-left: 1.4em; }
table { width: 100%; border-collapse: collapse; margin: 12px 0 8px; font-size: 14px; }
th, td { border: 1px solid var(--border); padding: 12px; vertical-align: top; text-align: left; }
th { width: 30%; background: #f9fafb; color: var(--text); font-weight: 800; }
.placeholder { color: #92400e; font-weight: 700; }
.muted { color: var(--sub); font-size: 13px; }
.legal-footer { max-width: 980px; margin: 0 auto; padding: 0 20px 36px; color: var(--sub); font-size: 12px; text-align: center; }
@media (max-width: 720px) {
  .legal-nav-inner { height: auto; padding: 14px 16px; align-items: flex-start; flex-direction: column; }
  .nav-links { flex-wrap: wrap; gap: 10px 14px; }
  .legal-wrap { padding: 36px 16px 56px; }
  .legal-card { padding: 20px; }
  table, tbody, tr, th, td { display: block; width: 100%; }
  th { border-bottom: 0; }
}