html,
body {
    height: 100%;
}


* html .layer_board_bg,
* html .layer_board {
    position: absolute;
}

.layer_board_bg {


    position: fixed;
    width: 100%;
    height: 100%;

    z-index: 1000;

    top: 0;
    left: 0;

    display: none;
    cursor: pointer;
    background: #000;
}

.layer_board {

    height: 85%;
    overflow-y: scroll;
    display: none;
    position: fixed;
    left: 50%;
    margin: 100px 0px 0px -425px;

    text-align: center;
    z-index: 2000;
}


.mdl_btn_close a {
    color: #fff;
    border: 1px solid #fff;
    padding: 10px;
    margin: 10px auto;
    display: block;
    width: 50%
}



/*---------------------------------------------------SP用ページ用設定*/
@media screen and (max-width: 768px) {
    /*-----------------------------------------------------------------*/


    .layer_board {
        margin: 150px 0px 100px -50%;
    }

}