:root {
  --brand: #304f7a;
  --brand-dark: #203a5e;
  --accent: #4f8a73;
  --ink: #1f2937;
  --muted: #64748b;
  --line: #dbe3ec;
  --soft: #f4f7fa;
  --notice: #fff8dc;
}

* { box-sizing: border-box; }
html { background: var(--soft); }
body {
  margin: 0;
  color: var(--ink);
  background: var(--soft);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  line-height: 1.8;
}
a { color: #1769aa; }
.legal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px max(20px, calc((100vw - 920px) / 2));
  border-bottom: 1px solid var(--line);
  background: #fff;
}
.legal-brand { display: inline-flex; align-items: center; text-decoration: none; }
.legal-brand img { width: 220px; max-width: 56vw; height: auto; }
.legal-back {
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--brand-dark);
  text-decoration: none;
  font-weight: 700;
}
.legal-main {
  width: min(920px, calc(100% - 32px));
  margin: 28px auto;
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 35px rgba(32, 58, 94, 0.07);
}
h1 {
  margin: 0 0 26px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--brand);
  color: var(--brand-dark);
  font-size: clamp(1.65rem, 5vw, 2.2rem);
  line-height: 1.35;
}
h2 { margin: 34px 0 12px; color: var(--brand-dark); font-size: 1.25rem; }
h3 { color: var(--brand-dark); font-size: 1.05rem; }
p, li { overflow-wrap: anywhere; }
table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.94rem; }
th, td { padding: 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { width: 29%; background: var(--soft); color: var(--brand-dark); }
.notice { padding: 14px 16px; border: 1px solid #e7c766; border-radius: 8px; background: var(--notice); }
.support-ok { color: var(--accent); font-weight: 800; }
.operator-brand {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 18px 0 24px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}
.operator-brand img { width: 140px; height: 96px; object-fit: contain; }
.operator-brand strong { color: var(--brand-dark); font-size: 1.2rem; }
.operator-brand p { margin: 6px 0 0; color: var(--muted); }
.legal-footer {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 12px 0 34px;
  color: var(--muted);
  text-align: center;
  font-size: 0.88rem;
}
.legal-footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 16px; }
.legal-footer p { margin: 12px 0 0; }

@media (max-width: 600px) {
  .legal-header { padding: 11px 14px; }
  .legal-brand img { width: 180px; }
  .legal-back { padding: 6px 10px; font-size: 0.82rem; }
  .legal-main { width: calc(100% - 20px); margin: 12px auto; padding: 22px 17px; }
  th, td { display: block; width: 100%; }
  th { border-bottom: 0; }
  .operator-brand { align-items: flex-start; padding: 14px; }
  .operator-brand img { width: 96px; height: 72px; }
}