html,
body {
  font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Oxygen,
    Ubuntu, Cantarell, Fira Sans, Droid Sans, Helvetica Neue, sans-serif;
  margin: 0;
  padding: 0;
}

.home {
  text-align: center;
}

#spinner-container {
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  width: 100vw;
  height: 100vh;
}

#spinner {
  width: 40px;
  height: 40px;
  border: 5px solid #353a40; /* 色を変更する場合はここで変更 */
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}