* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: #fafafa;
  color: #1d1d1f;
  font:
    17px/1.7 -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
}
header {
  max-width: 1040px;
  margin: auto;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
header > a {
  font-size: 22px;
  font-weight: 650;
  color: inherit;
  text-decoration: none;
}
nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
main {
  max-width: 880px;
  margin: 32px auto 80px;
  padding: 0 24px;
}
h1 {
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1.13;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}
h2 {
  font-size: 27px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-top: 0;
}
section {
  padding: 36px 0;
  border-top: 1px solid #ddd;
}
.lead {
  font-size: 20px;
  color: #45454b;
}
a {
  color: #0066cc;
  text-underline-offset: 4px;
}
.action {
  display: inline-block;
  background: #0066cc;
  color: white;
  padding: 10px 20px;
  border-radius: 24px;
  text-decoration: none;
  font-size: 16px;
  white-space: nowrap;
}
img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
  margin: 32px 0;
}
li {
  margin: 12px 0;
}
table {
  border-collapse: collapse;
  width: 100%;
  text-align: left;
}
td,
th {
  padding: 14px;
  border-bottom: 1px solid #ddd;
  vertical-align: top;
}
.table-wrap {
  overflow-x: auto;
}
a:focus-visible {
  outline: 3px solid #0066cc;
  outline-offset: 4px;
}
@media (max-width: 480px) {
  header {
    padding: 16px;
    gap: 12px;
  }
  nav {
    gap: 12px;
    font-size: 14px;
  }
  .action {
    font-size: 14px;
    padding: 8px 12px;
  }
  main {
    padding: 0 20px;
  }
  td,
  th {
    padding: 8px;
    font-size: 15px;
  }
}