@media screen and (min-width: 769px) {
    .fs-hosyo-banner a{
        display: block;
        margin-left: auto;
        margin-right: auto;
        max-width: 920px;
        transition: all .3s ease-in-out;
    }
    .fs-hosyo-banner a:hover {
        opacity: .7;
    }
}

@media screen and (max-width: 768px) {
    .fs-hosyo-banner a {
        display: block;
        margin-left: auto;
        margin-right: auto;
        width: calc(690 / 750 * 100vw);
    }
}