* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #222;
  background: #fff;
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  line-height: 1.8;
}

main {
  width: min(100% - 32px, 760px);
  margin: 0 auto;
  padding: 28px 0 40px;
}

h1 {
  margin: 0 0 20px;
  font-size: 24px;
  line-height: 1.35;
}

h2 {
  margin: 24px 0 8px;
  font-size: 18px;
  line-height: 1.45;
}

h3 {
  margin: 18px 0 8px;
  font-size: 16px;
  line-height: 1.45;
}

p {
  margin: 0 0 12px;
  font-size: 16px;
}

ol {
  margin: 0 0 12px;
  padding-left: 22px;
}

li {
  margin: 4px 0;
  font-size: 16px;
}

.home {
  padding-top: 18vh;
}

.lead {
  color: #666;
}

.agreement-links {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.agreement-links a {
  display: block;
  padding: 16px 18px;
  color: #222;
  text-decoration: none;
  border: 1px solid #e7e7e7;
  border-radius: 12px;
  transition: border-color 160ms ease, background 160ms ease;
}

.agreement-links a:hover {
  background: #fafafa;
  border-color: #bbb;
}

.agreement-links strong,
.agreement-links span {
  display: block;
}

.agreement-links strong {
  font-size: 17px;
}

.agreement-links span {
  margin-top: 2px;
  color: #777;
  font-size: 14px;
}

@media (max-width: 640px) {
  main {
    width: calc(100% - 24px);
    padding-top: 22px;
  }

  .home {
    padding-top: 12vh;
  }

  h1 {
    font-size: 22px;
  }

  h2 {
    font-size: 17px;
  }

  p,
  li {
    font-size: 15px;
  }
}