.goodidea {
    width: 300px;
    max-width: 300px;
    margin: 0 auto;
    opacity: 0;
}


/*右に消えるエリア*/
body.appear .goodidea {
    animation-name: catchAnime;
    animation-duration: 6.5s;
    animation-delay: .7s;
    animation-timing-function: cubic-bezier(0.100, 0.500, 0.700, 0.995);
    animation-fill-mode: forwards;
    content: "";

    z-index: 999;

    transform: scaleX(1);


}

@keyframes catchAnime {
    0% {
        opacity: 0;
        transform: scale(1.8);
        -webkit-opacity: 0;
        -webkit-transform: scale(1.8);
    }

    2% {
        opacity: 0.6;
        transform: scale(1.6);
        -webkit-opacity: 0.6;
        -webkit-transform: scale(1.6);
    }

    99.9%,to {
        opacity: 1;
        transform: scale(1);
        -webkit-opacity: 1;
        -webkit-transform: scale(1);
    }
}