@charset "utf-8";

@media (max-width:1400px){
    .top_section{
        height: 45vw;
    }
}

@media (max-width:1150px){
    #header .header_wrap {
        padding: 0 20px;
    }
    .main_slide {
        height: 560px;
    }
    .container {
        max-width: 968px;
        padding: 0 20px;
    }
    .youtube_content {
        margin: 110px 0 90px;
    }
    .youtube_content ul li {
        width: calc(50% - 20px);
        margin-right: 20px;
    }
    .youtube_content ul li:last-child {
        margin-right: 0;
    }
    .top_section{
        height: 45vw;
    }
}

@media (max-width:860px){
    .contents .btn_wrap button {
        line-height: 68px;
    }
    .main_slide li img {
        display: none;
    }
    .main_slide li.light {
        background: url(/img/common/slider1.png) no-repeat center center;
    }
    .main_slide li.stage {
        background: url(/img/common/slider5.png) no-repeat center center;
    }
    .main_slide li.sound {
        background: url(/img/common/slider3.png) no-repeat center center;
    }
    .main_slide li.truss {
        background: url(/img/common/slider4.png) no-repeat center center;
    }
    .main_slide li.special {
        background: url(/img/common/slider2.png) no-repeat center center;
    }
    .contents .cont_wrap .section {
        margin-right: -20px;
    }
    .contents .cont_wrap .section dd {
        white-space: nowrap;
        overflow-x: auto;
    }
    .contents .cont_wrap .section dd .thumb,
    .contents .cont_wrap .section .thumb.type01 > a {
        width: 300px;
        height: 200px;
    }
    .contents .cont_wrap .section .category_tit {
        font-weight: 700;
    }
    .bottom_content {
        margin-bottom: 40px;
    }
    .bottom_content .section .thumb {
        margin-bottom: 0;
    }
}
@media (max-width:768px){
    #header .home {
        display: block;
    }
    #header .ham {
        display: block;
        position: relative;
        font-size: 0;
        width: 60px;
        height: 60px;
        z-index: 9999;
    }
    #header .ham p{
        position: absolute;
        right: 30%;
        top: 50%;
        width: 25%;
        height: 3px;
        background: #fff;
        border-radius: 2px;
        transition: width 0.4s, background 0.4s, transform 0.4s;
    }
    #header .ham p:before {
        content: "";
        position: absolute;
        right: 0;
        top: -9px;
        width: 160%;
        height: 3px;
        background: #fff;
        border-radius: 2px;
        transition: top 0.4s, width 0.4s, transform 0.1s 0.4s
    }
    #header .ham p:after {
        content: "";
        position: absolute;
        right: 0;
        bottom: -9px;
        width: 120%;
        height: 3px;
        background: #fff;
        border-radius: 2px;
        transition: bottom 0.4s, width 0.4s, transform 0.1s 0.4s;
    }
    #header .ham.view > p {
        width: 40%;
        background: #fff;
        transform: rotate(360deg);
    }
    #header .ham.view > p:before {
        top: 0;
        width: 100%;
        background: #333333;
        transform: rotate(-45deg);
    }
    #header .ham.view > p:after {
        bottom: 0;
        width: 100%;
        background: #333333;
        transform: rotate(45deg);
    }
    #header .gnb {
        display: block;
        position: fixed;
        right: -100%;
        top: 0;
        width: 300px;
        height: 100vh;
        padding-top: 60px;
        background: #fff;
        transition: right 0.3s;
        z-index: 9999;
    }
    #header .gnb.view {
        right: 0;
    }
    #header .gnb li {
        margin-right: 0;
        width: 100%;
        padding: 0 20px;
    }
    #header .gnb li a {
        color: #000;
        font-size: 24px;
    }
    .contents .btn_wrap button {
        font-size: 18px;
        line-height: 58px;

    }
    .contents .cont_wrap .section dd .thumb,
    .contents .cont_wrap .section .thumb.type01 > a {
        width: 240px;
        height: 160px;
        margin-right: 20px;
    }
  
    .youtube_content ul li {
        width: 340px;
        height: 240px;
    }
    .popup {
        top: 50%;
        max-width: calc(100% - 40px);
    }
    .top_section {
        height: 85vw;
        background-size: 100% 100%;
    }
    .top_section .tit_wrap {
        top: 60%;
    }
    .top_section.port .tit_wrap {
        top: 65%;
    }
    .top_section .tit{
        color: #fff;
        font-size: 30px;
        font-weight: 500;
        margin-bottom: 20px;
        font-family: 'montserrat';
    }
    .top_section .info {
        font-size: 14px;
    }
    .top_section.us {
        background-position: 70% 50%;
        background-size: 100% 100%;
    }
    
}
@media (max-width:680px){
    #header .header_wrap {
        padding: 0;
    }
    .youtube_content .container {
        margin-right: -20px;
        
    }
    .youtube_content .title_wrap {
        margin-right: 20px;
    }
    .youtube_content ul {
        display: block;
        white-space: nowrap;
        overflow-x: auto;
        justify-content: unset;
    }
    .youtube_content ul li{
        display: inline-block;
        width: 250px;
        height: 200px;
    }
}
@media (max-width:565px){
    

    .contents .cont_wrap .section dd .thumb,
    .contents .cont_wrap .section .thumb.type01 > a {
        width: 200px;
        height: 140px;
        margin-right: 20px;
    }
    .main_slide .txt_wrap p {
        font-size: 26px;
    }
    .main_slide .txt_wrap span {
        font-size: 14px;
    }
    .popup {
        top: 50%;
    }
    .popup .tit_wrap {
        height: 50px;
    }
    .popup .tit_wrap .popup_close {
        width: 50px;
        height: 50px;
        background-size: 15px;
    }
    .popup .popup_btn > div{
        position: absolute;
        top: 50%;
        width: 40px;
        transform: translateY(-50%);
    }
    br {
        display: none;
    }
}
@media (max-width:475px){
    .contents .cont_wrap .section dd .thumb,
    .contents .cont_wrap .section .thumb.type01 > a {
        width: 150px;
        height: 100px;
        margin-right: 10px;
    }
}