:root {
  color-scheme: light;
  --ink: #173b36;
  --muted: #506b67;
  --green: #003d33;
  --mint: #78e6d7;
  --pale: #c8f7f0;
  --paper: #f7fcfb;
  --line: #b8d8d3;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font:
    18px/1.65 system-ui,
    -apple-system,
    sans-serif;
}
header,
main,
footer {
  width: min(760px, calc(100% - 2rem));
  margin: auto;
}
header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 2rem 0 1rem;
}
header img {
  width: 42px;
  height: 44px;
}
h1,
h2 {
  color: var(--green);
  line-height: 1.2;
}
h1 {
  font-size: clamp(2rem, 7vw, 3.4rem);
}
h2 {
  margin-top: 2.2rem;
}
a {
  color: var(--green);
  font-weight: 700;
  text-underline-offset: 0.2em;
}
a:focus-visible {
  outline: 4px solid var(--mint);
  outline-offset: 4px;
}
.notice {
  border: 1px solid var(--line);
  background: #fff;
  padding: 1rem;
  border-radius: 0.75rem;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  padding: 1rem 0;
}
.language {
  margin-left: auto;
}
footer {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding: 2rem 0;
  color: var(--muted);
}
li {
  margin: 0.45rem 0;
}
@media (max-width: 480px) {
  body {
    font-size: 17px;
  }
  header {
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .language {
    margin-left: 0;
    width: 100%;
  }
}