:root {
  color-scheme: dark;
  --bg: #07080d;
  --bg-deep: #030409;
  --surface: #10121a;
  --surface-raised: #151824;
  --text: #f3f0ff;
  --muted: #aaa6b8;
  --purple: #a781ff;
  --purple-strong: #8857ff;
  --mint: #53e6bf;
  --mint-soft: #a8f5df;
  --warning: #ffc86b;
  --danger: #ff8f9f;
  --line: rgba(167, 129, 255, 0.2);
  --line-strong: rgba(83, 230, 191, 0.3);
  --shadow: 0 26px 80px rgba(0, 0, 0, 0.42);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  font-family: "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", Meiryo, system-ui, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 14% -5%, rgba(136, 87, 255, 0.25), transparent 34rem),
    radial-gradient(circle at 95% 14%, rgba(32, 190, 160, 0.16), transparent 31rem),
    linear-gradient(160deg, var(--bg) 0%, #090b13 52%, var(--bg-deep) 100%);
  line-height: 1.8;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(167, 129, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(83, 230, 191, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

a {
  color: var(--mint-soft);
  text-underline-offset: 0.22em;
  text-decoration-thickness: 1px;
}

a:hover {
  color: #fff;
}

a:focus-visible,
button:focus-visible,
.data-table-wrap:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 4px;
  border-radius: 6px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.65rem 1rem;
  color: var(--bg-deep);
  background: var(--mint);
  border-radius: 999px;
  font-weight: 800;
  transform: translateY(-180%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(167, 129, 255, 0.13);
  background: rgba(7, 8, 13, 0.82);
  backdrop-filter: blur(18px) saturate(130%);
}

.header-inner {
  display: flex;
  width: min(1120px, calc(100% - 2rem));
  min-height: 72px;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: none;
  text-decoration: none;
}

.brand-logo {
  width: 244px;
  max-width: 100%;
  height: auto;
  display: block;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.38rem;
}

.site-nav a {
  padding: 0.46rem 0.76rem;
  color: var(--muted);
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--text);
  background: rgba(167, 129, 255, 0.13);
}

.page-shell {
  width: min(1040px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3rem, 7vw, 6.5rem) 0 5rem;
}

.legal-hero {
  position: relative;
  max-width: 850px;
  margin-bottom: 2.4rem;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 0.9rem;
  align-items: center;
  gap: 0.5rem;
  color: var(--mint);
  font-family: "Space Grotesk", Inter, system-ui, sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 1.8rem;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--purple), var(--mint));
}

h1,
h2,
h3 {
  margin-top: 0;
  font-family: "Space Grotesk", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.32;
}

h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.35rem, 8vw, 5.4rem);
  letter-spacing: -0.045em;
}

.title-accent {
  color: transparent;
  background: linear-gradient(105deg, #c3aaff 8%, var(--purple) 40%, var(--mint) 92%);
  background-clip: text;
  -webkit-background-clip: text;
}

.lead {
  max-width: 760px;
  margin: 0;
  color: #d4d0df;
  font-size: clamp(1rem, 2vw, 1.2rem);
}

.meta-row {
  display: flex;
  margin-top: 1.45rem;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.meta-chip {
  display: inline-flex;
  min-height: 34px;
  padding: 0.35rem 0.8rem;
  align-items: center;
  color: #cbc6d7;
  background: rgba(16, 18, 26, 0.74);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.legal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 250px;
  align-items: start;
  gap: 1.5rem;
}

.legal-card,
.toc-card {
  min-width: 0;
  background: linear-gradient(160deg, rgba(21, 24, 36, 0.95), rgba(12, 14, 21, 0.93));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.legal-card {
  padding: clamp(1.35rem, 4.5vw, 3.2rem);
  border-radius: var(--radius-lg);
}

.toc-card {
  position: sticky;
  top: 96px;
  padding: 1.15rem;
  border-radius: var(--radius-md);
}

.toc-title {
  margin: 0 0 0.7rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.toc-card ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.toc-card a {
  display: block;
  padding: 0.44rem 0.5rem;
  color: #c8c4d2;
  border-radius: 8px;
  font-size: 0.78rem;
  line-height: 1.45;
  text-decoration: none;
}

.toc-card a:hover {
  color: var(--mint-soft);
  background: rgba(83, 230, 191, 0.07);
}

.legal-section {
  scroll-margin-top: 98px;
}

.legal-section + .legal-section {
  margin-top: 2.6rem;
  padding-top: 2.6rem;
  border-top: 1px solid rgba(167, 129, 255, 0.14);
}

.legal-section h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.28rem, 3vw, 1.75rem);
  letter-spacing: -0.015em;
}

.legal-section h2::before {
  margin-right: 0.55rem;
  color: var(--purple);
  content: "#";
}

.legal-section h3 {
  margin: 1.65rem 0 0.55rem;
  color: #ddd5f7;
  font-size: 1.02rem;
}

.legal-section p {
  margin: 0.85rem 0;
  color: #cbc7d2;
}

.legal-section ul,
.legal-section ol {
  margin: 0.8rem 0;
  padding-left: 1.4rem;
  color: #cbc7d2;
}

.legal-section li + li {
  margin-top: 0.48rem;
}

.legal-section li::marker {
  color: var(--mint);
  font-weight: 800;
}

.callout {
  margin: 1.2rem 0;
  padding: 1rem 1.1rem;
  background: rgba(83, 230, 191, 0.065);
  border-left: 3px solid var(--mint);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #d7f7ee;
}

.callout.warning {
  background: rgba(255, 200, 107, 0.075);
  border-left-color: var(--warning);
  color: #ffe6b9;
}

.callout.critical {
  background: rgba(255, 143, 159, 0.075);
  border-left-color: var(--danger);
  color: #ffd6dc;
}

.callout strong {
  color: inherit;
}

.data-table-wrap {
  width: 100%;
  max-width: 100%;
  margin: 1.1rem 0;
  overflow-x: auto;
  border: 1px solid rgba(83, 230, 191, 0.16);
  border-radius: var(--radius-md);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  line-height: 1.65;
}

.data-table th,
.data-table td {
  min-width: 10rem;
  padding: 0.82rem 0.9rem;
  border-bottom: 1px solid rgba(167, 129, 255, 0.12);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--mint-soft);
  background: rgba(83, 230, 191, 0.055);
  font-size: 0.76rem;
  letter-spacing: 0.035em;
}

.data-table td {
  color: #c8c4cf;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

code {
  padding: 0.12rem 0.35rem;
  color: #d7c9ff;
  background: rgba(136, 87, 255, 0.12);
  border-radius: 5px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

.contact-status {
  display: grid;
  margin-top: 1.15rem;
  padding: 1.1rem;
  gap: 0.35rem;
  background: rgba(136, 87, 255, 0.08);
  border: 1px solid rgba(167, 129, 255, 0.22);
  border-radius: var(--radius-md);
}

.contact-status .status-label {
  color: var(--purple);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.contact-status p {
  margin: 0;
}

.page-actions {
  display: flex;
  margin-top: 2.1rem;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.action-link {
  display: inline-flex;
  min-height: 44px;
  padding: 0.65rem 1rem;
  align-items: center;
  justify-content: center;
  color: var(--bg-deep);
  background: linear-gradient(105deg, var(--mint), #a3f6df);
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(83, 230, 191, 0.15);
  font-size: 0.84rem;
  font-weight: 800;
  text-decoration: none;
}

.action-link.secondary {
  color: var(--text);
  background: rgba(167, 129, 255, 0.1);
  border: 1px solid rgba(167, 129, 255, 0.28);
  box-shadow: none;
}

.action-link:hover {
  color: var(--bg-deep);
  filter: brightness(1.06);
}

.action-link.secondary:hover {
  color: #fff;
  background: rgba(167, 129, 255, 0.18);
}

.site-footer {
  border-top: 1px solid rgba(167, 129, 255, 0.13);
  background: rgba(3, 4, 9, 0.52);
}

.footer-inner {
  display: flex;
  width: min(1040px, calc(100% - 2rem));
  min-height: 112px;
  margin: 0 auto;
  padding: 1.5rem 0;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem;
}

.footer-links a {
  color: #bdb8c9;
  text-decoration: none;
}

@media (max-width: 860px) {
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .toc-card {
    position: static;
    grid-row: 1;
  }

  .toc-card ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header {
    position: relative;
  }

  .header-inner {
    padding: 0.8rem 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .site-nav a {
    padding-left: 0;
    padding-right: 0.72rem;
  }

  .page-shell {
    padding-top: 2.8rem;
  }

  .legal-card {
    border-radius: 20px;
  }

  .toc-card ol {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  :root {
    color-scheme: light;
  }

  body {
    color: #18151f;
    background: #fff;
    font-size: 10.5pt;
  }

  body::before,
  .site-header,
  .toc-card,
  .page-actions,
  .site-footer,
  .skip-link {
    display: none !important;
  }

  .page-shell {
    width: 100%;
    padding: 0;
  }

  .legal-card {
    padding: 0;
    color: #18151f;
    background: transparent;
    border: 0;
    box-shadow: none;
  }

  .legal-section p,
  .legal-section li,
  .data-table td {
    color: #27222f;
  }

  .legal-section,
  .data-table-wrap,
  .callout,
  .contact-status {
    break-inside: avoid;
  }

  a {
    color: #34226f;
  }
}