:root {
  color-scheme: light dark;
  --background: #f7f8f9;
  --surface: #ffffff;
  --text: #242426;
  --muted: #5d6268;
  --accent: #336f9b;
  --accent-strong: #24597f;
  --border: #d9dde1;
  --notice: #eef5fa;
  --focus: #a86100;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  color: var(--text);
}

body {
  margin: 0;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 0.13em;
}

a:focus-visible {
  border-radius: 0.15rem;
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  background: var(--surface);
  left: 1rem;
  padding: 0.7rem 1rem;
  position: fixed;
  top: 0;
  transform: translateY(-130%);
  z-index: 10;
}

.skip-link:focus {
  transform: translateY(0.75rem);
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.header-inner,
.footer-inner {
  margin: 0 auto;
  max-width: 76rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.header-inner {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 5rem;
}

.brand-link {
  align-items: center;
  display: inline-flex;
  flex: 0 0 auto;
}

.brand-logo {
  display: block;
  height: auto;
  width: 10rem;
}

.site-nav ul {
  align-items: center;
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav li + li {
  margin-top: 0;
}

.site-nav a {
  font-weight: 600;
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: #f4b942;
  text-decoration-thickness: 0.18em;
  text-underline-offset: 0.35em;
}

main {
  background: var(--surface);
  margin: 3rem auto;
  max-width: 76ch;
  padding: 3.25rem 3.5rem;
}

h1,
h2,
h3 {
  color: var(--text);
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.35rem, 6vw, 3.5rem);
  letter-spacing: -0.035em;
  margin: 0 0 0.75rem;
}

h2 {
  border-top: 1px solid var(--border);
  color: var(--accent-strong);
  font-size: 1.55rem;
  margin: 3rem 0 1rem;
  padding-top: 2rem;
}

h3 {
  font-size: 1.15rem;
  margin: 2rem 0 0.6rem;
}

p,
ul,
address {
  margin: 0 0 1.2rem;
}

ul {
  padding-left: 1.4rem;
}

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

.subtitle {
  color: var(--muted);
  font-size: 1.18rem;
  margin-bottom: 2.5rem;
  max-width: 58ch;
}

.effective-date {
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 2.5rem;
}

.notice {
  background: var(--notice);
  border-left: 0.3rem solid var(--accent);
  margin: 2.5rem 0;
  padding: 1.25rem 1.35rem;
}

.notice p {
  margin: 0;
}

address {
  font-style: normal;
}

.contact-list {
  list-style: none;
  padding: 0;
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.93rem;
  padding: 2rem 0 2.5rem;
}

.site-footer p {
  margin: 0.35rem 0;
}

.site-footer a {
  color: inherit;
}

@media (max-width: 44rem) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
    padding-bottom: 1.25rem;
    padding-top: 1.25rem;
  }

  .brand-logo {
    width: 8.5rem;
  }

  .site-nav ul {
    flex-wrap: wrap;
    gap: 0.75rem 1.2rem;
  }

  main {
    margin: 0;
    max-width: none;
    padding: 2.5rem 1.5rem 3.5rem;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #151517;
    --surface: #1c1c1e;
    --text: #f0f0f0;
    --muted: #b7bac0;
    --accent: #7eb0d5;
    --accent-strong: #93c0e2;
    --border: #3a3a3c;
    --notice: #242f38;
    --focus: #f4b942;
  }
}

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