<script type="module" src="https://code4fukui.github.io/vanta/src/vanta.birds.js"></script>
<vanta-birds
style="z-index: -1; display: block; width: 100vw; height: 100vh;"
backgroundColor="0x000000"
color1="0xcf0000"
color2="0x7f0000"
colorMode=""
birdSize="2"
wingSpan="10"
speedLimit="6"
separation="20"
alignment="30"
cohesion="50"
quantity="7"
x-mouseControls=false
x-minWidth=500
></vanta-waves>