:root {
  --bg: #151122;
  --surface: #201a33;
  --text: #e9e4f5;
  --text-soft: #a89fc4;
  --violet: #a18fe0;
  --amber: #e0925f;
  --hairline: rgba(161, 143, 224, 0.18);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}

header.site {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 40px;
}

.brand {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.5rem;
  color: var(--violet);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.lang-note {
  color: var(--text-soft);
  font-size: 0.85rem;
}

.lang-note a {
  color: var(--amber);
  text-decoration: none;
}

h1 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.1rem;
  line-height: 1.25;
  margin-bottom: 8px;
  color: var(--text);
  font-weight: 600;
}

.updated {
  color: var(--text-soft);
  font-size: 0.9rem;
  margin-bottom: 36px;
}

h2 {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  margin: 40px 0 12px;
  color: var(--violet);
  font-weight: 600;
}

h3 {
  font-size: 1.02rem;
  margin: 24px 0 8px;
  color: var(--text);
}

p {
  margin-bottom: 14px;
}

ul {
  margin: 0 0 14px 22px;
}

li {
  margin-bottom: 8px;
}

a {
  color: var(--amber);
}

.divider {
  margin: 64px 0 48px;
  border: 0;
  border-top: 1px solid var(--hairline);
}

.en {
  color: var(--text);
}

strong {
  color: var(--text);
}

.card {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 20px 22px;
  margin: 20px 0;
}

.card p:last-child {
  margin-bottom: 0;
}

footer.site {
  margin-top: 72px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline);
  color: var(--text-soft);
  font-size: 0.85rem;
}

.index-links {
  list-style: none;
  margin: 32px 0 0;
}

.index-links li {
  margin-bottom: 16px;
}

.index-links a {
  display: block;
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 20px 22px;
  color: var(--text);
  text-decoration: none;
  font-size: 1.05rem;
}

.index-links a:hover {
  border-color: var(--violet);
}

.index-links span {
  display: block;
  color: var(--text-soft);
  font-size: 0.88rem;
  margin-top: 4px;
}