body {
  margin: 0;
  font-family: Helvetica, sans-serif;
  color: #cfc9c9;
  background-color: #272d31;
  text-align: center;
}

h1 {
  font-size: 48px;
}

h2 {
  font-size: 20px;
}

main {
  max-width: 1024px;
  margin: 0 auto;
}

a {
  color: #85a3b7;
}

.top-page {
  width: 100vw;
  height: 100vh;

  background-image: url(./top-page.png);
  background-size: cover;
  background-position: center;

  display: flex;
  justify-content: center;
  align-items: center;
}

.about {
  margin: 80px 0;
}

.contents-box {
  width: 100%;
  display: flex;
  align-items: center;
}

.content {
  width: 50%;
}

footer {
  background-color: #162025;
  padding: 48px 0;
  font-size: 12px;
}