body {background: #f8f8f8;}
.sub_top {padding:280px 0px 20px; border-bottom:1px solid #ddd; background: #fff;}
.sub_content {padding:150px 0px 200px;}
.sub_title {margin:0px auto 300px;}
.sub_content h4 {font-size:24px; line-height: 1.5; margin-bottom:100px;}

.sample_box {width:100%; background: #fff; height:800px; margin-bottom:100px; border:1px solid #ddd;}
.license_box ul {display:flex; justify-content: space-between;}
.license_box ul li {text-align: center; width:33.3%; margin-right:30px;}
.license_box ul li:last-child {margin-right:0;}
.license_box ul li img {margin-bottom:30px; width: 100%;}
.license_box ul li p {font-size:20px; font-weight: var(--weight_medium);}

@media (max-width: 768px){
    .sub_top {padding:80px 0px 10px;}
    .sub_title {margin:0px auto 80px;}
    .sub_content {padding:80px 0px;}
    .sub_content h4 {font-size:18px; margin-bottom:20px;}
    .sample_box {height: 400px;}
    .license_box ul {flex-direction: column;}
    .license_box ul li {width: 100%; margin-bottom:30px;}
    .license_box ul li:last-child {margin-bottom:0;}
    .license_box ul li img {margin-bottom:10px;}
    .license_box ul li p {font-size:16px;}
}