body {
  background-color: #99fff1;
  background-image: radial-gradient(
      at 35% 30%,
      hsla(207, 97%, 76%, 1) 0px,
      transparent 50%
    ),
    radial-gradient(at 51% 35%, hsla(27, 64%, 79%, 1) 0px, transparent 50%),
    radial-gradient(at 77% 30%, hsla(155, 60%, 77%, 1) 0px, transparent 50%),
    radial-gradient(at 66% 38%, hsla(252, 89%, 78%, 1) 0px, transparent 50%),
    radial-gradient(at 42% 52%, hsla(335, 83%, 74%, 1) 0px, transparent 50%),
    radial-gradient(at 59% 72%, hsla(243, 87%, 65%, 1) 0px, transparent 50%),
    radial-gradient(at 47% 12%, hsla(14, 64%, 72%, 1) 0px, transparent 50%);
  font-family: "Noto Sans JP", sans-serif;
  height: 100vh;
  margin: 0;
  overflow: hidden;
  position: relative;
}
.falling {
  pointer-events: none;
  position: absolute;
  white-space: nowrap;
}
.noto-sans {
  font-family: "Rampart One", serif;
}
.rampart-one {
  font-family: "Rampart One", sans-serif;
}
.kaisei-opti {
  font-family: "Kaisei Opti", serif;
}