:root {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #17212b;
  background: #fff;
  font-size: 17px;
  line-height: 1.6;
}
body {
  margin: 0;
}
header {
  border-bottom: 1px solid #e9ebef;
  padding: 20px max(24px, calc((100vw - 760px) / 2));
}
header a {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 21px;
  font-weight: 700;
  color: inherit;
  text-decoration: none;
}
main {
  max-width: 760px;
  margin: 48px auto;
  padding: 0 24px 64px;
}
h1 {
  font-size: 36px;
  line-height: 1.2;
  letter-spacing: -0.03em;
}
h2 {
  font-size: 22px;
  line-height: 1.3;
  margin-top: 36px;
}
a {
  color: #2949e9;
}
a:focus-visible {
  outline: 3px solid #2949e9;
  outline-offset: 4px;
}
p {
  margin: 16px 0;
}