:root {
  --legal-bg-deep: #09090a;
  --legal-bg-mid: #141416;
  --legal-accent: #c5362b;
  --legal-accent-soft: #e07a72;
  --legal-text: #f3f0ec;
  --legal-text-muted: #8a8580;
  --legal-glass: rgba(243, 240, 236, 0.04);
  --legal-glass-border: rgba(243, 240, 236, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.85;
  color: var(--legal-text);
  background: var(--legal-bg-deep);
}

.legal-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 50% 120%, rgba(197, 54, 43, 0.16) 0%, transparent 55%),
    linear-gradient(180deg, #09090a 0%, #0e0e0f 42%, #161618 100%);
}

.legal-bg-orb {
  position: absolute;
  width: 0;
  height: 0;
  opacity: 0.22;
}

.legal-bg-orb-1 {
  top: 12%;
  left: -2%;
  border-top: 90px solid transparent;
  border-bottom: 90px solid transparent;
  border-left: 160px solid #5a5a5c;
}

.legal-bg-orb-2 {
  bottom: 8%;
  right: 4%;
  border-top: 70px solid transparent;
  border-bottom: 70px solid transparent;
  border-right: 124px solid #c5362b;
}

.legal-header {
  position: relative;
  z-index: 1;
  border-bottom: 1px solid var(--legal-glass-border);
  background: rgba(14, 14, 15, 0.88);
  backdrop-filter: blur(12px);
  padding: 1rem 1.5rem;
}

.legal-header__inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.legal-header__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--legal-text);
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.18em;
}

.legal-logo-mark {
  width: 36px;
  height: 36px;
  overflow: hidden;
  flex-shrink: 0;
}

.legal-logo-mark svg {
  width: 100%;
  height: 100%;
  display: block;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--legal-glass-border);
  color: var(--legal-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.legal-back:hover {
  color: var(--legal-text);
  border-color: var(--legal-accent);
  background: var(--legal-glass);
}

.legal-main {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.legal-card {
  background: rgba(22, 22, 24, 0.82);
  border: 1px solid var(--legal-glass-border);
  padding: 2rem 1.75rem;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.4);
}

.legal-card h1 {
  margin: 0 0 0.5rem;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 1.75rem;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.legal-meta {
  margin: 0 0 2rem;
  font-size: 0.875rem;
  color: var(--legal-text-muted);
}

.legal-card h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--legal-accent-soft);
  border-left: 3px solid var(--legal-accent);
  padding-left: 0.75rem;
}

.legal-card p,
.legal-card li {
  color: var(--legal-text-muted);
}

.legal-card a {
  color: var(--legal-accent-soft);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.legal-card a:hover {
  color: var(--legal-text);
}

.legal-card ol,
.legal-card ul {
  padding-left: 1.35rem;
}

.legal-card li + li {
  margin-top: 0.35rem;
}

.legal-footer {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.25rem 2rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--legal-text-muted);
}

@media (max-width: 640px) {
  .legal-card {
    padding: 1.5rem 1.15rem;
  }

  .legal-card h1 {
    font-size: 1.4rem;
  }
}