/** for Dialog **/
    div.all_window {
        position: fixed;
        top: 0px;
        left: 0px;
        margin: 0px;
        display: none;
        width: 100%;
        height: 100vh;
        align-items: center;
        justify-content: center;
        background-color: rgba(214, 192, 192, 0.8);
    }

    div.all_window div#confirm_dialog,
    div.all_window div#waiting_dialog,
    div.all_window div#loading_dialog {
        width: 80%;
        max-width: 700px;
        padding: 20px;
        border-radius: 10px;
        border: 1px solid gray;
        min-height: 4em;
        text-align: center;
        background-color: #FFFFFF;
    }

    #close_slideshow {
        position: absolute;
        bottom: 20px;
        right: 100px;
    }

    ul#slideshow_ul_list {
        top: 40%;
        margin-left: auto;
        margin-right: auto;
    }

    #slideshow_ul_list {
        width: 50%;
        height: 50%;
        margin: auto;
        border-bottom: 20px solid #F0F0F0;
    }

    #slideshow_ul_list img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .slick-prev:before,
    .slick-next:before {
        color: black;
    }

    .slick-dots li button:before {
        font-size: 18px;
        top: 6px;
    }