* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #18212f;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.65;
  background: #f4f8fb;
}

a {
  color: #0f5d61;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page {
  width: min(920px, calc(100% - 36px));
  margin: 0 auto;
  padding: 38px 0 70px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  color: inherit;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
}

main {
  padding: 34px;
  border: 1px solid #dfe7ef;
  border-radius: 8px;
  background: #fff;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.05;
}

h2 {
  margin-top: 34px;
  font-size: 24px;
  line-height: 1.2;
}

h3 {
  margin-top: 24px;
  font-size: 18px;
}

p,
li {
  color: #4f5d70;
}

.meta,
.notice {
  color: #657287;
  font-size: 14px;
}

.notice {
  padding: 14px 16px;
  border: 1px solid rgba(216, 143, 69, .35);
  border-radius: 8px;
  background: #fff3e7;
  color: #7c471d;
  font-weight: 700;
}

ul {
  padding-left: 22px;
}

footer {
  margin-top: 24px;
  color: #657287;
  font-size: 13px;
}

@media (max-width: 560px) {
  main {
    padding: 24px 20px;
  }
}