.container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100dvh;
  width: 100%;
}

img {
  width: 100%;
  height: auto;
}

h1 {
  width: 80%;
  margin-inline: auto;
  max-width: 480px;
}

.main {
  display: flex;
  flex-direction: column;
  gap: 28px 0;
  padding-block: 48px;
}

h1 img.pc {
  display: none;
}

.copyright {
  text-align: center;
  opacity: 0.5;
  color: #000;
  font-size: 10px;
}

.link {
  display: block;
  width: 52px;
  margin-inline: auto;
}

.link:hover {
  opacity: 0.5;
}

@media (min-width: 769px) {
  h1 img.sp {
    display: none;
  }
  h1 img.pc {
    display: block;
  }

  h1 {
    width: 620px;
  }
}