.video_thumb{
    position: relative;
    display: block;
}
.video_thumb::before{
    position: absolute;
    content: "";
    width: 100%;
    height: 100%;
    background: url(../../../assets/images/video_icon.png)no-repeat;
    background-size: 100%;
}
#overlay{
    width: 100%;
    height: 100vh;
    display: block;
    background: #000000c9;
    position: fixed;
    top:0;
    left: 0;
    z-index: 9999999999999;
}
.modalBox{
    width: 69vw;
    height: 80vh;
    position: fixed;
    top:50%;
    left: 50%;
    transform: translate(-50%,-50%);
    z-index: 99999999999999;
    /* overflow-y: auto; */
}
.modalBox iframe{
    width: 100%;
    height: 100%;
}
#overlay::after{
    position: fixed;
    top: 2vw;
    right: 4vw;
    display: block;
    content: '';
    width: 5px;
    height: 50px;
    background: #ffffff;
    z-index: 999999999999999;
    transform: rotate(-45deg);
    cursor: pointer;
}
#overlay::before{
    position: fixed;
    top: 2vw;
    right: 4vw;
    display: block;
    content: '';
    width: 5px;
    height: 50px;
    background: #ffffff;
    z-index: 999999999999999;
    transform: rotate(45deg);
    cursor: pointer;
}
.details_area{
    margin-top: 2em;
}
.details_area >dt{
    border-left: 6px solid #ccf1f0;
    padding-left: 1em;
    margin-bottom: 1em;
}
.details_area dd li dl{
    display: flex;
}
.details_area dd li dl dt{
    min-width: 3.5em;
}
.flex_box{
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    gap: 3em;
}
.flex_box > li{
    max-width: 45%;
}
table{
    border: 1px solid #CCC;
}
th,td{
    padding: .5em 1em;
    border: 1px solid #CCC;
}
th{
    background: #eee;
}
@media only screen and (max-width: 847px) {
    .modalBox{
    width: 100%;
    height: 54vw;
    }
    .flex_box{
    flex-direction: column;
    justify-content: center;
}
.flex_box> li{
    max-width: none;
    text-align: center;
}
}