*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, sans-serif;
  line-height: 1.5;
  color: #231F20;
  padding: 0 1rem;
}

a:link {
  color: #006AA2;
}

header .logo {
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
  margin-top: 5rem;
}

main .intro {
  max-width: 88ch;
  margin-left: auto;
  margin-right: auto;
  text-align: justify;
  margin-top: 5rem;
}

@media (min-width: 640px) {
  main .intro {
    font-size: 1.125rem;
    line-height: 1.75rem;
  }
}

main .impression {
  margin-top: 5rem;
  max-width: 1400px;
  overflow-x: hidden;
  margin-left: auto;
  margin-right: auto;
  gap: 0.5rem;
}

@media (min-width: 720px) {
  main .impression {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
  }
}

main .impression img {
  width: 100%;
  height: auto;
}

@media (min-width: 720px) {
  main .impression img:nth-child(1) {
    grid-column: 1/2;
    grid-row: 1/3;
    height: 100%;
  }
}

footer {
  font-size: 1.125rem;
  line-height: 1.75rem;
  text-align: center;
  margin-top: 5rem;
  margin-bottom: 3rem;
}

footer address {
  font-style: normal;
  margin-bottom: 1rem;
}