Result カスタムプロパティで:rootに作ったイージングをvar()関数で呼び出せるようにします css:root {/*変数*/ --ease-in-quad: cubic-bezier(0.55, 0.085, 0.68, 0.53); --ease-in-cubic: cubic-bezier(0.55, 0.055, 0.675, 0.19); --ease-in-quart: cubic-bezier(0.895, 0.03, 0.685, 0.22); --ease-in-quint: cubic-bezier(0.755, 0.05, 0.855, 0.06); --ease-in-expo: cubic-bezier(0.95, 0.05, 0.795, 0.035); --ease-in-circ: cubic-bezier(0.6, 0.04, 0.98, 0.3
![CSS変数でイージングアニメーションを管理](https://cdn-ak-scissors.b.st-hatena.com/image/square/b6b1c87ada2ad66409793e3653c810e333009609/height=288;version=1;width=512/http%3A%2F%2Fkachibito.net%2Fwp-content%2Fuploads%2F2019%2F12%2Fsite-icon.png)