:root {
  --orange: #e85d04;
  --ink: #171717;
  --muted: #6b7280;
  --line: #e5e7eb;
  --paper: #ffffff;
  --wash: #f5f5f4;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--wash);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.8;
}

.legal-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(17, 17, 17, .96);
  color: #fff;
  backdrop-filter: blur(10px);
}

.legal-header-inner {
  max-width: 900px;
  min-height: 58px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.legal-nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.legal-nav::-webkit-scrollbar { display: none; }

.legal-nav a {
  padding: 7px 10px;
  border-radius: 999px;
  color: #bdbdbd;
  font-size: 11px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.legal-nav a[aria-current="page"] {
  color: #fff;
  background: var(--orange);
}

.legal-shell {
  max-width: 900px;
  margin: 0 auto;
  padding: 28px 20px 70px;
}

.legal-document {
  padding: clamp(24px, 5vw, 56px);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 10px 35px rgba(0, 0, 0, .06);
}

.legal-document h1 {
  margin: 0 0 24px;
  padding-bottom: 18px;
  border-bottom: 4px solid var(--orange);
  font-size: clamp(25px, 5vw, 38px);
  line-height: 1.3;
  letter-spacing: -.03em;
}

.legal-document h2 {
  margin: 42px 0 14px;
  padding-left: 12px;
  border-left: 4px solid var(--orange);
  font-size: clamp(19px, 3vw, 24px);
  line-height: 1.45;
}

.legal-document h3 {
  margin: 28px 0 10px;
  font-size: 17px;
  line-height: 1.5;
}

.legal-document p { margin: 10px 0; }

.legal-document ul,
.legal-document ol {
  margin: 10px 0;
  padding-left: 1.5em;
}

.legal-document li { margin: 5px 0; }

.legal-document blockquote {
  margin: 0 0 26px;
  padding: 12px 16px;
  border: 0;
  border-radius: 10px;
  color: #57534e;
  background: #fff7ed;
}

.legal-document blockquote p { margin: 0; }

.legal-document a {
  color: #c2410c;
  overflow-wrap: anywhere;
}

.legal-document code {
  padding: 2px 5px;
  border-radius: 5px;
  background: #f3f4f6;
  font-size: .92em;
}

.legal-document strong { font-weight: 800; }

.legal-loading,
.legal-error {
  padding: 60px 20px;
  color: var(--muted);
  text-align: center;
}

.legal-footer {
  margin-top: 22px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

@media (max-width: 640px) {
  .legal-header-inner {
    min-height: auto;
    padding: 9px 14px;
    align-items: flex-start;
    flex-direction: column;
    gap: 7px;
  }

  .legal-nav { width: 100%; }
  .legal-shell { padding: 14px 10px 50px; }
  .legal-document { border-radius: 12px; }
}

@media print {
  body { background: #fff; }
  .legal-header, .legal-footer { display: none; }
  .legal-shell { max-width: none; padding: 0; }
  .legal-document { padding: 0; border: 0; box-shadow: none; }
  .legal-document h2 { break-after: avoid; }
}