@media print, screen and (min-width: 737px) {
    .wrap .main_visual {
        width: 800px;
        margin-left: auto;
        margin-right: auto;
        margin-top: 125px;
        margin-bottom: 40px;
        border: 1px solid #000000;
    }
    .link_btn {
        width: 300px;
        margin-left: auto;
        margin-right: auto;
        margin-bottom: 125px;
        border-color: #000000;
        font-size: 15px;
        text-align: center;
        background-color: #f1f1f1;
        padding-top: 20px;
        padding-right: 15px;
        padding-bottom: 20px;
        padding-left: 15px;
    }
    .link_btn a {
        text-decoration: none;
        color: #000000;
    }
}