/* 下へ */
.flipDown {
    animation-name:flipDownAnime;
    animation-duration:1s;
    animation-fill-mode:forwards;
    opacity:0;
}
@keyframes flipDownAnime {
    from {
        transform: perspective(2500px) rotateX(100deg);
        opacity: 0;
    }
    to {
        transform: perspective(2500px) rotateX(0);
        opacity: 1;
    }
}
.delay-time02 {
    animation-delay: 0.3s;
}
.delay-time03 {
    animation-delay: 0.6s;
}
.delay-time04 {
    animation-delay: 0.9s;
}