:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  color: #173b4a;
  background: #f4fbfd;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: #f4fbfd;
}

main {
  width: min(720px, 100%);
  margin: 0 auto;
  padding: 32px 20px 56px;
}

header {
  padding-bottom: 18px;
  border-bottom: 3px solid #f1c954;
}

h1 {
  margin: 0 0 8px;
  color: #1989ad;
  font-size: clamp(28px, 7vw, 40px);
  letter-spacing: 0;
}

h2 {
  margin: 30px 0 10px;
  color: #267b55;
  font-size: 21px;
  letter-spacing: 0;
}

p, li {
  font-size: 16px;
  line-height: 1.8;
}

a { color: #176f9d; }

.notice {
  margin-top: 26px;
  padding: 14px 16px;
  border-left: 5px solid #ef6b64;
  background: #fff;
}

footer {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid #bed8df;
  color: #526d77;
  font-size: 14px;
}