.load_div {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: 999998;
    top: 0;
    left: 0;
    display: none;
    background-color: gray;
    opacity: 0.5;
}
.loading_anime {
    animation-name: tenmetsu;
    animation-duration:1s;
    animation-iteration-count:infinite;
    animation-timing-function:linear;
    animation-direction:normal;
}

/*1で解説*/
@keyframes tenmetsu {
    0% {
        opacity: 1;
    }
    80% {
        opacity: 0.2;
    }
    100% {
        opacity: 1;
    }
}

.popup_window {
    position: fixed;
    width: 90%;
    height: 90%;
    top: 5%;
    left: 5%;
    z-index: 999999;
    background-color: #fcfcfc;
    border: #ccc solid 1px;
    border-radius: 10px;
    display:none;
    overflow: auto;
}

.hidden_area {
    display: none;
}

.ccf_window {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    border:#fff 5px solid;
    border-radius: 5px;
    width: 300px;
    height: 300px;
    display: none;
    z-index: 999999;
}