* { box-sizing: border-box; margin: 0; padding: 0; user-select: none; -webkit-user-select: none; }
html, body {
  width: 100%; height: 100%; overflow: hidden;
  background: #090503;
  font-family: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
}
canvas {
  display: block;
  width: 100vw;
  height: 100vh;
  cursor: default;
  touch-action: none;
}