:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #586579;
  --line: #dce2ea;
  --paper: #ffffff;
  --wash: #f4f7fb;
  --accent: #2456a6;
  --accent-soft: #e8f0ff;
}

* {
  box-sizing: border-box;
}

html {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
  background: var(--wash);
  color: var(--ink);
}

body {
  margin: 0;
}

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

a:focus-visible {
  outline: 3px solid #f3b83f;
  outline-offset: 3px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem max(1.25rem, calc((100% - 68rem) / 2));
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-weight: 750;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.01em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem 1.25rem;
  font-size: 0.95rem;
}

nav a[aria-current="page"] {
  font-weight: 700;
  text-decoration-thickness: 0.14em;
  text-underline-offset: 0.2em;
}

.container {
  width: min(100% - 2.5rem, 68rem);
  margin: 0 auto;
  padding: 4.25rem 0 5rem;
}

.hero {
  max-width: 48rem;
  margin-bottom: 2.5rem;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  max-width: 18ch;
  margin: 0 0 1rem;
  font-size: clamp(2.25rem, 6vw, 4.25rem);
}

h2 {
  margin: 2.5rem 0 0.8rem;
  font-size: clamp(1.35rem, 3vw, 1.8rem);
}

p,
ul,
ol {
  max-width: 68ch;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.updated {
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.card,
table {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  box-shadow: 0 0.75rem 2rem rgb(25 42 70 / 6%);
}

.card {
  padding: 1.25rem 1.35rem;
}

.notice {
  background: var(--accent-soft);
  border-color: #bfd2f5;
}

li + li {
  margin-top: 0.55rem;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  text-align: left;
}

th,
td {
  padding: 0.9rem 1rem;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

th {
  background: #eef2f7;
  font-size: 0.92rem;
}

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

footer {
  margin-top: 3.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 40rem) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

  .container {
    width: min(100% - 1.5rem, 68rem);
    padding-top: 2.75rem;
  }

  table {
    display: block;
    overflow-x: auto;
  }
}