:root {
  color-scheme: light;
  --bg: #f7f5f0;
  --text: #20231f;
  --muted: #61665d;
  --line: #d9d4ca;
  --accent: #176c5f;
  --panel: #fffdf8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.75;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

header {
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
  margin-bottom: 32px;
}

.brand {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 15px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 6vw, 44px);
  line-height: 1.2;
  letter-spacing: 0;
}

h2 {
  margin: 32px 0 8px;
  font-size: 22px;
  line-height: 1.35;
}

p,
li {
  font-size: 16px;
}

.lead {
  color: var(--muted);
  font-size: 18px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

a {
  color: var(--accent);
}

nav a {
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 8px 12px;
  text-decoration: none;
  font-weight: 700;
}

footer {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}