html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  background: #ffffff;
}

body {
  position: relative;
  overflow: hidden;
}

.copy {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: "Yu Mincho", "YuMincho", "游明朝", "游明朝体", serif;
  font-size: 50px;
  color: #343434;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.logo-link {
  position: absolute;
  left: 50%;
  bottom: 6.5%;
  transform: translateX(-50%);
  display: inline-block;
  line-height: 0;
  transition: opacity 0.2s ease;
}

.logo-link:hover {
  opacity: 0.8;
}

.logo-link img {
  height: 32px;
  width: auto;
  display: block;
}

@media (max-width: 768px) {
  .copy {
    font-size: 28px;
  }
  .logo-link img {
    height: 22px;
  }
}