:root {
  color-scheme: light;
  --paper: #faf8f2;
  --ink: #152f37;
  --body: #33484e;
  --accent: #176358;
  --line: #cdd4c8;
  --soft: #edf2e9;
  --display: "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Noto Serif CJK JP", serif;
  font-family: system-ui, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: var(--paper);
  color: var(--body);
  line-height: 1.8;
}

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.frame {
  width: min(100% - 2.5rem, 68rem);
  margin-inline: auto;
}

main { flex: 1; }

a {
  color: var(--accent);
  text-underline-offset: .2em;
}

a:hover { text-decoration-thickness: .14em; }

:focus-visible {
  outline: .15rem solid currentColor;
  outline-offset: .2rem;
}

.skip-link:not(:focus) {
  position: absolute;
  clip-path: inset(50%);
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip-link:focus {
  position: absolute;
  inset: .6rem auto auto .6rem;
  z-index: 1;
  padding: .35rem .75rem;
  background: var(--paper);
}

.site-header {
  border-top: .25rem solid var(--accent);
  border-bottom: 1px solid var(--line);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .6rem 2rem;
  padding-block: .95rem;
}

.wordmark,
.footer-brand {
  font-family: var(--display);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .06em;
}

.wordmark { font-size: 1.25rem; text-decoration: none; }
.publication-status { margin: 0; font-size: .9rem; }

h1, h2 {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.42;
  overflow-wrap: anywhere;
}

h1 {
  font-family: var(--display);
  font-size: clamp(1.85rem, 4vw, 2.9rem);
}

h2 { font-size: 1.18rem; }

p { margin: .75rem 0 0; overflow-wrap: anywhere; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  align-items: center;
  gap: 2.5rem;
  padding-block: clamp(2.5rem, 7vw, 5.25rem);
}

.hero h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); }

.hero-subtitle {
  display: block;
  margin-top: .3em;
  font-size: .65em;
}

.hero-lede {
  max-width: 30em;
  margin-top: 1.25rem;
  font-size: 1.12rem;
}

.hero-status,
.notice {
  padding: 1.25rem 1.5rem;
  background: var(--soft);
  border-inline-start: .25rem solid var(--accent);
}

.hero-status h2 { color: var(--accent); }

.address { font-weight: 600; overflow-wrap: anywhere; }

.home-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem 2.5rem;
  padding-block: 1.75rem 3.75rem;
  border-top: 1px solid var(--line);
}

.home-details a { display: inline-block; margin-top: .65rem; }

.feature-list { margin: .75rem 0; padding-inline-start: 1.25rem; }
.feature-list li + li { margin-top: .35rem; }
.feature-list li::marker { color: var(--accent); }

.document {
  max-width: 44rem;
  margin-inline: auto;
  padding-block: clamp(2.25rem, 5vw, 3.75rem);
}

.document .notice { margin-block: 1.35rem; }
.notice > p:first-child { margin-top: 0; }
.document > section { margin-top: 1.8rem; }
.document > section + section { padding-top: 1.25rem; border-top: 1px solid var(--line); }
.document section p { white-space: pre-wrap; }

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--soft);
}

.footer-inner { padding-block: 1.25rem; }

.site-footer ul {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

[aria-current="page"] { font-weight: 700; }

@media (max-width: 44rem) {
  .hero, .home-details { grid-template-columns: 1fr; }
  .hero { gap: 1.5rem; }
  .hero-status, .notice { padding: 1rem; }
}