body{
  font-family: "ＭＳ Ｐゴシック", Osaka;
  margin: 0; 
  color: white;
}

.tara_container{
  position: fixed;
  left: 50vw;
  top: 50vh;
  transform: translate(-50%, -50%);
  max-width: 50vw;
  max-height: 50vh;
}