:root {
  color-scheme: light;
  font-family: system-ui, -apple-system, "Hiragino Sans", sans-serif;
  color: #252d29;
  background: #f7f6f0;
  line-height: 1.8;
}

* { box-sizing: border-box; }
body { margin: 0; }
a { color: #275746; text-underline-offset: .2em; }
a:focus-visible { outline: 2px solid #275746; outline-offset: 4px; }

header, main, footer {
  width: min(100% - 2.5rem, 44rem);
  margin-inline: auto;
}

header { display: flex; align-items: center; padding-block: 1.5rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; font-weight: 700; text-decoration: none; }
.brand img { border-radius: .55rem; }
main { padding-block: 2rem 3.5rem; }
h1, h2 { line-height: 1.35; }
h1 { font-size: clamp(1.85rem, 6vw, 3.2rem); margin: 0 0 1.25rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 .65rem; }
p, ol { margin: 0 0 1rem; }
li + li { margin-top: .45rem; }
.lead { font-size: 1.125rem; }
footer { display: flex; flex-wrap: wrap; column-gap: 1.25rem; row-gap: .4rem; padding-block: 1.25rem 2rem; border-top: 1px solid #d8dbd0; font-size: .9rem; }