/* スマホでflexsliderの左右矢印を非表示 */
@media (max-width: 767px) {
    .flexslider .flex-direction-nav,
    .flex-direction-nav,
    .flex-direction-nav a,
    .flex-direction-nav .flex-prev,
    .flex-direction-nav .flex-next,
    .flexslider .flex-direction-nav .flex-prev,
    .flexslider .flex-direction-nav .flex-next {
        display: none !important;
        opacity: 0 !important;
        visibility: hidden !important;
    }
}