どんぐりころころ @keyframes rzma{ 0%,6.25%,12.5%,18.75%,25%,31.25%,37.5%,43.75%,50%,56.25%,62.5%,68.75%,75%,81.25%,87.5%,93.75%,100%{transform:translatey(0px);} 1.563%,7.813%,14.063%,20.313%,26.563%,32.813%,39.063%,45.313%,51.563%,57.813%,…