img#logo {
  width: calc(max(100vw/1920, 100vh/1080) * 48);
  height: auto;
  animation:spin 3s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
    opacity: 1.0;
  }
  25% {
    transform: rotate(90deg);
    opacity: 0.1;
  }
  50% {
    transform: rotate(180deg);
    opacity: 1.0;
  }
  75% {
    transform: rotate(270deg);
    opacity: 0.1;
  }
  100% {
    transform: rotate(359deg);
    opacity: 1.0;
  }
}

div#loadingBox {
  width: 100%;
  height: 300px;
  position: absolute;
  top: 50%;
  margin-top: calc(max(100vw/1920, 100vh/1080) * -24);
  text-align: center;
}

p#loadingInfo {
  color: #7D7D7D;
  position: absolute;
  top: 0;
  width: 100%;
  font-family: "Arial", sans-serif;
  text-align: center;
  font-size: calc(max(100vw/1920, 100vh/1080) * 19.3);
  margin-top: calc(max(100vw/1920, 100vh/1080) * 56.2);
}