.prepare {
    position: relative;
}

.prepare:before {
    position: absolute;
    content: "";
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    background: #3e251f;
    opacity: 0.8;
    z-index: 3;
}

.prepare:after {
    position: absolute;
    content: "準備中";
    font-size: 22px;
    letter-spacing: 15px;
    text-align: center;
    transform: translateY(-50%);
    top: 50%;
    right: 0;
    left: 0;
    opacity: 0.8;
    display: block;
    line-height: 1;
    padding-top: 4px;
    z-index: 3;
    color: #f3ecdd;
}

.show-1080, .show-768 {
    display: none;
}

.hide-1080, .hide-768 {
    display: block;
}

@media only screen and (max-width: 1080px) {
    html .responsive {
        min-width: auto;
    }
    html .responsive a:hover {
        text-decoration: none;
    }
    html .responsive img {
        height: auto;
        max-width: 100%;
    }
    html .responsive .wrap {
        padding: 0 3%;
        width: auto;
        max-width: 100%;
    }
    .hide-1080 {
        display: none;
    }
    .show-1080 {
        display: block;
    }
}

@media only screen and (max-width: 768px) {
    .wrap {
        width: auto;
        padding: 0 3%;
    }
    .sp_img img {
        width: 100%;
        height: auto;
    }
    .wr {
        padding: 0 3%;
    }
    .hide-768 {
        display: none;
    }
    .show-768 {
        display: block;
    }
}