:root {
  color-scheme: light;
  --blue: #2563eb;
  --ink: #111827;
  --muted: #526071;
  --line: #d7dde6;
  --mint: #a7f3d0;
  --paper: #f7f8fa;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
  margin: 0;
}

.page {
  margin: 0 auto;
  max-width: 880px;
  padding: 32px 18px 56px;
}

.brand {
  align-items: center;
  display: flex;
  gap: 14px;
  margin-bottom: 28px;
}

.mark {
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  display: inline-flex;
  flex: 0 0 58px;
  height: 58px;
  justify-content: center;
  overflow: hidden;
  width: 58px;
}

.mark img {
  display: block;
  height: 42px;
  max-height: 42px;
  max-width: 42px;
  object-fit: contain;
  width: 42px;
}

h1,
h2 {
  line-height: 1.15;
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin: 0;
}

h2 {
  border-top: 1px solid var(--line);
  font-size: 1.35rem;
  margin-top: 34px;
  padding-top: 24px;
}

p,
li {
  color: var(--muted);
  font-size: 1rem;
}

a {
  color: var(--blue);
  font-weight: 700;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-top: 18px;
  padding: 18px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button {
  background: var(--blue);
  border-radius: 8px;
  color: var(--white);
  display: inline-block;
  padding: 10px 14px;
  text-decoration: none;
}

.button.secondary {
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
  margin-top: 8px;
}

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin-top: 42px;
  padding-top: 20px;
}