:root {
  color-scheme: dark;
  --color-canvas: #090b10;
  --color-surface: #11151d;
  --color-surface-raised: #171c26;
  --color-line: #2b3342;
  --color-text: #f2f0e9;
  --color-muted: #a9afbb;
  --color-accent: #b8a6ff;
  --color-accent-soft: #292440;
  --color-gold: #d7bd78;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-lg: 0 24px 80px rgb(0 0 0 / 0.28);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-canvas);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--color-text);
  background:
    radial-gradient(circle at 82% 8%, rgb(118 95 192 / 0.13), transparent 30rem),
    radial-gradient(circle at 12% 38%, rgb(215 189 120 / 0.07), transparent 26rem),
    var(--color-canvas);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

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

a:hover {
  color: #d0c6ff;
}

a:active {
  color: #e2dcff;
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.site-header {
  width: min(100% - 32px, 1080px);
  margin: 0 auto;
  padding: var(--space-5) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand-mark {
  position: relative;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border: 1px solid #8f81d0;
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, #2f294d, #171526);
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 0.12);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  bottom: 7px;
  width: 9px;
  height: 15px;
  border: 1px solid var(--color-gold);
  background: rgb(215 189 120 / 0.08);
}

.brand-mark::before {
  left: 6px;
  border-radius: 5px 1px 1px 3px;
  transform: skewY(8deg);
}

.brand-mark::after {
  right: 6px;
  border-radius: 1px 5px 3px 1px;
  transform: skewY(-8deg);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  font-size: 14px;
}

.site-nav a {
  color: var(--color-muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-text);
}

main {
  width: min(100% - 32px, 960px);
  margin: 0 auto;
  padding: var(--space-7) 0 var(--space-8);
}

.hero {
  padding: clamp(32px, 7vw, 72px) 0 var(--space-8);
  text-align: center;
}

.eyebrow {
  margin: 0 0 var(--space-4);
  color: var(--color-gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 760px;
  margin: 0 auto;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: clamp(32px, 7vw, 56px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

.lead {
  max-width: 680px;
  margin: var(--space-5) auto 0;
  color: var(--color-muted);
  font-size: clamp(16px, 2.5vw, 20px);
  line-height: 1.85;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  padding: var(--space-2) var(--space-4);
  border: 1px solid #3e4759;
  border-radius: 999px;
  color: #c9ced8;
  background: rgb(17 21 29 / 0.78);
  font-size: 14px;
}

.status-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 12px rgb(184 166 255 / 0.72);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.card {
  min-width: 0;
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgb(23 28 38 / 0.96), rgb(14 17 24 / 0.96));
  box-shadow: var(--shadow-lg);
}

.card-number {
  display: block;
  margin-bottom: var(--space-5);
  color: var(--color-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.card h2,
.card h3 {
  margin: 0 0 var(--space-3);
  font-size: 20px;
  line-height: 1.45;
}

.card p {
  margin: 0;
  color: var(--color-muted);
}

.notice {
  margin-top: var(--space-6);
  padding: var(--space-5);
  border-left: 3px solid var(--color-gold);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgb(215 189 120 / 0.07);
}

.notice strong {
  color: #ead9aa;
}

.document {
  max-width: 760px;
  margin: 0 auto;
}

.document-header {
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-line);
}

.document-header h1 {
  margin: 0;
  font-size: clamp(30px, 6vw, 46px);
}

.document-meta {
  margin: var(--space-4) 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.document section {
  padding-top: var(--space-7);
}

.document h2 {
  margin: 0 0 var(--space-4);
  font-size: 24px;
  line-height: 1.4;
}

.document h3 {
  margin: var(--space-5) 0 var(--space-2);
  font-size: 16px;
}

.document p,
.document li {
  color: #c5cad3;
}

.document ul {
  margin: var(--space-3) 0 0;
  padding-left: 1.4em;
}

.document li + li {
  margin-top: var(--space-2);
}

.site-footer {
  width: min(100% - 32px, 1080px);
  margin: 0 auto;
  padding: var(--space-6) 0 var(--space-7);
  border-top: 1px solid var(--color-line);
  display: flex;
  justify-content: space-between;
  gap: var(--space-5);
  color: var(--color-muted);
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-links a {
  color: var(--color-muted);
}

@media (max-width: 760px) {
  .site-header {
    align-items: flex-start;
  }

  .site-nav {
    gap: var(--space-3);
  }

  .site-nav a:first-child {
    display: none;
  }

  main {
    padding-top: var(--space-5);
  }

  .hero {
    text-align: left;
  }

  h1,
  .lead {
    margin-left: 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 420px) {
  .brand-label {
    max-width: 118px;
    line-height: 1.25;
  }

  .site-nav {
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-1);
  }
}

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

@media (prefers-contrast: more) {
  :root {
    --color-line: #778198;
    --color-muted: #d2d6de;
  }
}