body {
  margin: 0;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #f0f8ff; /* Alice Blue */
  font-family: 'Hina Mincho', serif;
}

canvas {
  background-color: #000;
  display: block;
  width: 600px;
  height: 800px;
}