.flow-content_wrapper {
    background-image: url(/Contents/img/TopImage/step-arrow.png), url(/Contents/img/TopImage/step-arrow.png);
    background-repeat: no-repeat, no-repeat;
    background-size: 4%, 4%;
    background-position: top 30.5% left 50%, top 69% left 50%;
}

.flow-content03 {
    margin-bottom: 0;
}

@media screen and (max-width: 768px) {
        .flow-content_wrapper {
        background-size: 13%, 13%;
        background-position: top 29% left 50%, top 66% left 50%;
    }

    .plan-list_box ul {
        justify-content: center;
    }
}