:root {
  color-scheme: light;
  font-family: Arial, Helvetica, sans-serif;
  color: #17372f;
  background: #f4fbf8;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  background: #f4fbf8;
}

header {
  border-bottom: 1px solid #cfe5dc;
  background: #ffffff;
}

.topbar,
main,
footer {
  width: min(820px, calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 20px;
}

.brand {
  color: #17372f;
  font-size: 17px;
  font-weight: 800;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

a {
  color: #086b55;
  font-weight: 700;
}

main {
  padding: 42px 0 56px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #347465;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: #102f27;
  font-size: clamp(30px, 6vw, 46px);
  line-height: 1.08;
}

.updated {
  margin: 12px 0 34px;
  color: #55736b;
}

section {
  margin-top: 34px;
}

h2 {
  margin: 0 0 12px;
  color: #17372f;
  font-size: 21px;
}

h3 {
  margin: 22px 0 8px;
  color: #24594d;
  font-size: 16px;
}

p,
li {
  color: #3d5c54;
  font-size: 15px;
  line-height: 1.72;
}

ul,
ol {
  padding-left: 22px;
}

.notice {
  margin: 28px 0;
  padding: 18px;
  border-left: 4px solid #159475;
  background: #e9f7f2;
}

footer {
  padding: 24px 0 38px;
  border-top: 1px solid #cfe5dc;
  color: #55736b;
  font-size: 13px;
}

@media (max-width: 560px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px 0;
  }

  main {
    padding-top: 32px;
  }
}