.ajax_box_wrap {
    /* min-height: 500px; */
    /* margin-top: 400px; */
}
.ajax_box {
    display: flex;
    flex-wrap: wrap;
    padding: 2%;
}
.ajax_box img {
    width: 100%;
}
.ajax_box .api_cast_box {
    width: calc((100% / 6 - 2%) + (2% / 6));
}
.ajax_box .api_cast_box:not(:nth-child(6n)) {
    margin-right: 2%;
}
.ajax_box .api_cast_box:not(:nth-child(-n+6)) {
    margin-top: 20px;
}

.hide {
    display: none;
}


/* loading style */
.loading {
    position: absolute;
    top: 0;
    left: 0;
}
.sk-chase {
    width: 48px;
    height: 48px;
    top: 100px;
    position: relative;
    animation: sk-chase 2.5s infinite linear both;
    left: calc(50% - (48px / 2));
    
}
.sk-chase-dot {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0; 
    animation: sk-chase-dot 2.0s infinite ease-in-out both; 
}
.sk-chase-dot:before {
    content: '';
    display: block;
    width: 25%;
    height: 25%;
    background-color: #000;
    border-radius: 100%;
    animation: sk-chase-dot-before 2.0s infinite ease-in-out both; 
}
.sk-chase-dot:nth-child(1) { animation-delay: -1.1s; }
.sk-chase-dot:nth-child(2) { animation-delay: -1.0s; }
.sk-chase-dot:nth-child(3) { animation-delay: -0.9s; }
.sk-chase-dot:nth-child(4) { animation-delay: -0.8s; }
.sk-chase-dot:nth-child(5) { animation-delay: -0.7s; }
.sk-chase-dot:nth-child(6) { animation-delay: -0.6s; }
.sk-chase-dot:nth-child(1):before { animation-delay: -1.1s; }
.sk-chase-dot:nth-child(2):before { animation-delay: -1.0s; }
.sk-chase-dot:nth-child(3):before { animation-delay: -0.9s; }
.sk-chase-dot:nth-child(4):before { animation-delay: -0.8s; }
.sk-chase-dot:nth-child(5):before { animation-delay: -0.7s; }
.sk-chase-dot:nth-child(6):before { animation-delay: -0.6s; }

@keyframes sk-chase {
    100% { transform: rotate(360deg); } 
}

@keyframes sk-chase-dot {
    80%, 100% { transform: rotate(360deg); } 
}

@keyframes sk-chase-dot-before {
    50% {
        transform: scale(0.4); 
    } 100%, 0% {
        transform: scale(1.0); 
    } 
}