html, body {width: 100%; height: 100%; padding: 0px; margin: 0px; }


@font-face {
    font-family: 'GangwonEduPowerExtraBoldA';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2201-2@1.0/GangwonEduPowerExtraBoldA.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'GongGothicMedium';
    src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_20-10@1.0/GongGothicMedium.woff') format('woff');
    font-weight: normal;
    font-style: normal;
}

@import url(//fonts.googleapis.com/earlyaccess/nanumgothic.css);

.nanumgothic * {
 font-family: 'Nanum Gothic', sans-serif;
}

a {
    text-decoration-line: none;
    text-decoration:none;
    color: white;
}
li{
    list-style: none;
}

/* Style for our header texts
* --------------------------------------- */
h1{
    font-size: 3em;
    font-family: 'Nanum Gothic';
    color: #fff;
}
h2{
    font-size: 17px;
    font-family: 'Nanum Gothic';
    font-weight: 500;
    color: #fff;
    margin:0;
    padding:0;
}

.wrap{
    width: 100%;
    margin: 0 auto;
}
header{
    position:fixed;
    width: 100%;
    height: 80px;
    background-color: #000;
}


/*#myVideo{width: 100%;}*/

.nav_tit{
    width: 65%;
    margin: auto;
    /*background-color: rgb(143, 142, 142);*/
}
.navbar{
    width: 100%;
    height: 80px;
    position: relative;
    display: flex;
    align-items: center;
    z-index: 999;
}

.nav_logo{
    position:absolute;
    height: 50px;
}
.nav_logo img{
    height: 50px;
}

.nav_menu{
    width: 100%;
    display: flex;
    padding-left:0;
    justify-content:center;
}
.nav_menu li{
    padding: 8px 12px;
    margin: 0 30px;
    font-size: 17px;
}
.nav_menu li:hover{
    background-color: #d49466;
    border-radius: 4px;
}


.nav_tooglebtn{
    display: none;
    position:absolute;
    top: 25px;
    right: 25px;
    font-size: 24px;
}

article{
    width:100%;
}
.video_container{
    position: relative;
    width: 100%;
    top: 80px;
    z-index: -999;
}

.art_top_txt{
    width: 100%;
    position: absolute;
    text-align: center;
    top: 45%;
    color:#fff;
    font-size: 4em;
    font-family: 'GangwonEduPowerExtraBoldA';
    z-index: -1;
}
.art_top_subtxt{
    width: 100%;
    position: absolute;
    text-align: center;
    top: 55%;
    color:#fff;
    font-size: 2em;
    font-family: 'GangwonEduPowerExtraBoldA';
    z-index: -1;
}

.middletxt span{
    top: 500px;
    font-family: 'GangwonEduPowerExtraBoldA';
    font-size: 4em;
    color:rgba(255, 255, 255, 1);
}

.undertxt span{
    top: 500px;
    font-family: 'GongGothicMedium';
    font-size: 30px;
    color:rgba(255, 255, 255, 1);
}


/*스크롤 유도*/

.scrolldowntxt{
    top: 250px;
    font-size: 25px;
    font-weight: 700;
    color:rgba(255, 255, 255, 0.5);
}
.scrolldown a {
    top: 78%;
  }
  .scrolldown a span {
    top:80%;
    left: 50%;
    width: 24px;
    height: 24px;
    font-family: 'GangwonEduPowerExtraBoldA';
    font-weight: 900;
    margin-left: -12px;
    border-left: 1px solid #fff;
    border-bottom: 1px solid #fff;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
    -webkit-animation: sdb 2s infinite;
    animation: sdb 2s infinite;
    opacity: 0;
    box-sizing: border-box;
  }
  .scrolldown a span:nth-of-type(1) {
    -webkit-animation-delay: 0s;
    animation-delay: 0s;
  }
  .scrolldown a span:nth-of-type(2) {
    top: 82%;
    -webkit-animation-delay: .15s;
    animation-delay: .15s;
  }
  .scrolldown a span:nth-of-type(3) {
    top: 84%;
    -webkit-animation-delay: .3s;
    animation-delay: .3s;
  }
  @-webkit-keyframes sdb {
    0% {
      opacity: 0;
    }
    50% {
      opacity: 1;
    }
    100% {
      opacity: 0;
    }
  }
  @keyframes sdb {
    0% {
      opacity: 0;
    }
    50% {
      opacity: 1;
    }
    100% {
      opacity: 0;
    }
  }
/*스크롤 유도*/

.sub { 
    width: 100%;
    display:flex;
    justify-content: center;
    background-color:#ffffff;
}
.subdiv{
    width: 50%;
    margin: 30px 30px;
}
.subfirst{
    width: 100%;
    padding-bottom:10px;
    border-bottom: 1px solid #c0bfbf;
}

.secondimg img{
    width: 250px;
    float: left;
}

.secondspan span{
    margin-left: 30px;
    line-height: 75px;
    font-family: 'GongGothicMedium';
    font-size: 1.6em;
    color: #929090;
}


.subsecond{width: 100%;padding-top: 20px;}

.subsecondimg{width: 100%;}

.subsecondimg img{width: 100%;float:left; margin-right: 30px;padding-bottom: 30px;}

.subsecondtit{margin-top: 50px;}
.subsecondtit span{font-size: 1.5em;font-family: 'GongGothicMedium';}
.subsecondspan{ padding-top: 30px;}
.subsecondspan span{font-size: 1.0em; font-weight: 500;}


.subthird{width:50%; padding-top: 40px; margin-bottom: 40px;}


.therdspan span{
    font-size:15px;
    font-weight: 700;
    color:#929090;
}



.footer{width: 100%; background-color: #000000;}
.cominfo{padding: 10px 30px;}
.cominfo span{font-size: 12px; font-weight: 700;color:#fff}

@media (max-width: 1400px){
    #wrap {width: 100%;}
    .nav_tit {width: 80%;}
    .smartt1{
        padding-top: 25%;
    }
    .subdiv{
        width: 70%;
        margin: 10px 10px;
    }
    .art_top_txt{top:45%}
    .art_top_subtxt{top:55%}
}

/* 화면 너비 0 ~ 1200px */
@media (max-width: 1200px){
    #wrap {width: 100%;}
    .nav_tit {width: 90%;}
    .smartt1{
        padding-top: 30%;
    }
    .subdiv{
        width: 75%;
        margin: 10px 10px;
    }
}


/* 화면 너비 0 ~ 1200px */
@media (max-width: 1000px){
    #wrap {width: 100%;}
    .nav_tit {width: 95%;}
    .smartt1{
        padding-top: 35%;
    }
    .subdiv{
        width: 80%;
        margin: 10px 10px;
    }
    .art_top_txt{top:35%}
    .art_top_subtxt{top:45%}
}

/* 화면 너비 0 ~ 1200px */
@media (max-width: 900px){
    #wrap {width: 100%;}
    .nav_tit {width: 100%;}
    .nav_logo{margin-left: 10px;}
    .nav_menu li{margin: 0 15px;}
    .smartt1{
        padding-top: 35%;
    }
    .subdiv{
        width: 85%;
        margin: 10px 10px;
    }
    
    .art_top_txt{top:25%}
    .art_top_subtxt{top:35%}
}

/* 모바일 화면 너비 0 ~ 768px */
@media (max-width: 768px){

    .nav_logo{
        position: static;
        padding-top: 15px
    }
    .navbar{
        flex-direction: column;
        align-items: flex-start;
        background-color: #000000;
    }
    .nav_menu{
        display: none;
        flex-direction: column; 
        justify-content:center;
        background-color: #000000;
        text-align: center;
        padding-bottom: 15px;
        margin-top: 0;
    }
    .nav_tooglebtn{
        display: block;
    }
    .nav_menu.active{
        display: flex;
    }
    /* .middletxt, .logoimg, .undertxt{
        display: none;
    } */
    .scrolldowntxt{
        display: none;
    }

    .subdiv{
        width: 90%;
        margin: 10px 10px;
    }
    .secondimg img{
        width: 170px;
        float: left;
    }
    .secondspan span{
        margin-left: 20px;
        line-height: 50px;
        font-family: 'GongGothicMedium';
        font-size: 1.2em;
        color: #929090;
    }
    .cominfo{padding: 10px 10px;}
    
    .art_top_txt{display:none;}
    .art_top_subtxt{display:none;}
}


    /* 화면 너비 0 ~ 480px */
@media (max-width: 600px){
    .nav_logo{
        position: static;
    }
    .navbar{
        flex-direction: column;
        align-items: flex-start;
        background-color: #000000;
    }
    .nav_menu{
        display: none;
        flex-direction: column; 
        justify-content:center;
        background-color: #000000;
        text-align: center;
        padding-bottom: 15px;
    }
    .nav_tooglebtn{
        display: block;
    }
    .nav_menu.active{
        display: flex;
    }
    .middletxt span{
        font-size: 3em;
    }
    .logoimg img{
        margin-top: 20px;
        margin-bottom: 30px;
        height: 60px;
    }
    .undertxt span{
        font-size: 1.3em;
    }
}
/*s22 화면*/
@media (max-width: 480px){
    .nav_logo{
        position: static;
    }
    .navbar{
        flex-direction: column;
        align-items: flex-start;
        background-color: #000000;
    }
    .nav_menu{
        display: none;
        flex-direction: column; 
        justify-content:center;
        background-color: #000000;
        text-align: center;
        padding-bottom: 15px;
    }
    .nav_tooglebtn{
        display: block;
    }
    .nav_menu.active{
        display: flex;
    }
}

/*s6 화면*/
@media (max-width: 380px){
    .nav_logo{
        position: static;
    }
    .navbar{
        flex-direction: column;
        align-items: flex-start;
        background-color: #000000;
    }
    .nav_menu{
        display: none;
        flex-direction: column; 
        justify-content:center;
        background-color: #000000;
        text-align: center;
        padding-bottom: 15px;
    }
    .nav_tooglebtn{
        display: block;
    }
    .nav_menu.active{
        display: flex;
    }
}

/*s9 화면*/
@media (max-width: 320px){
    .nav_logo{
        position: static;
    }
    .navbar{
        flex-direction: column;
        align-items: flex-start;
        background-color: #000000;
    }
    .nav_menu{
        display: none;
        flex-direction: column; 
        justify-content:center;
        background-color: #000000;
        text-align: center;
        padding-bottom: 15px;
    }
    .nav_tooglebtn{
        display: block;
    }
    .nav_menu.active{
        display: flex;
    }
}