:root {
  color-scheme: dark;
  --background: #0b1220;
  --surface: #101b2d;
  --surface-strong: #16243a;
  --text: #f4f7fb;
  --muted: #b8c6d8;
  --gold: #f0b73f;
  --gold-soft: #ffe08a;
  --line: #30425d;
  --focus: #fff2b3;
  --max-width: 52rem;
}

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

html {
  background: var(--background);
  font-size: 100%;
  scroll-behavior: auto;
}

body {
  min-width: 20rem;
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 50% -10rem, #1a3152 0, transparent 34rem),
    var(--background);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans", "Noto Sans JP", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--gold-soft);
  font-weight: 650;
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.2em;
  overflow-wrap: anywhere;
}

a:hover {
  color: #ffffff;
}

a:focus-visible {
  border-radius: 0.2rem;
  outline: 0.2rem solid var(--focus);
  outline-offset: 0.25rem;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  transform: translateY(-200%);
  background: var(--gold-soft);
  color: #111827;
}

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

.site-header,
.site-footer,
main {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

.site-header {
  padding-block: 1.25rem 1rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-block;
  color: var(--gold-soft);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-decoration: none;
  text-transform: uppercase;
}

.site-nav ul,
.language-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
}

.site-nav a[aria-current="page"] {
  color: var(--text);
  text-decoration: none;
}

main {
  padding-block: 2.4rem 3rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.3;
  text-wrap: balance;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 3.2rem);
  letter-spacing: -0.025em;
}

h2 {
  margin: 0 0 0.85rem;
  color: var(--gold-soft);
  font-size: clamp(1.3rem, 5vw, 1.65rem);
}

h3 {
  margin: 1.4rem 0 0.35rem;
  font-size: 1.08rem;
}

p,
ul,
ol {
  max-width: 72ch;
}

.lede {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 0.85rem;
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.meta dt {
  color: var(--text);
  font-weight: 700;
}

.meta dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.document-section {
  padding-block: 2rem;
  border-top: 1px solid var(--line);
}

.document-section:first-of-type {
  margin-top: 2.25rem;
}

.document-section > :last-child {
  margin-bottom: 0;
}

.notice {
  margin-block: 1.5rem;
  padding: 1rem 1.1rem;
  border-left: 0.25rem solid var(--gold);
  background: var(--surface);
  color: var(--muted);
}

.choice-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.choice {
  display: block;
  min-height: 8rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: linear-gradient(145deg, var(--surface-strong), var(--surface));
  color: var(--text);
  text-decoration: none;
}

.choice strong {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--gold-soft);
  font-size: 1.25rem;
}

.choice span {
  color: var(--muted);
  font-weight: 500;
}

.contact-link {
  display: inline-block;
  margin-top: 0.4rem;
  font-size: 1.08rem;
}

.compact-list {
  padding-left: 1.3rem;
}

.compact-list li + li {
  margin-top: 0.45rem;
}

.site-footer {
  padding-block: 1.4rem 2.4rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
}

@media (min-width: 44rem) {
  .site-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 2rem;
    padding-block: 1.6rem 1.2rem;
  }

  .site-nav ul {
    justify-content: flex-end;
    margin-top: 0;
  }

  main {
    padding-block: 4rem 5rem;
  }

  .choice-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}