.imgarea.caption {
    text-align: center;
}

.imgarea.caption img {
    display: block;
    margin: 0 auto 0.5rem;
    border: solid 1px #eee;
    width: auto;
    max-width: 600px;
}


/*----------------------------------------------------
    SPサイトcss
----------------------------------------------------*/
@media screen and (max-width: 480px) {


.imgarea.caption img {
    max-width: 90%;
}


}