#header{
    width: 100%;
    height: 70px;
    padding: 0 5%;
    box-sizing: border-box;
    position: fixed;
    background-color: transparent;
    z-index: 99;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: background-color, .5s;
}

#header.scroll{
    background-color: #fff;
}

#header.scroll a img{
    content: url(../images/logo_c.png);
}

#header.scroll .menubar span{
    background-color: #333;
}

#header.on{
    background-color: #008197;
}

#header.on a img{
    content: url(../images/logo.png);
}

#header.on .menubar span{
    background-color: #fff;
}

#header> a{
    height: 24px;
}

#header > a img{
    height: 100%;
}

.menubar{
    position: relative;
    width: 30px;
    height: 20px;
    box-sizing: border-box;
}

.menubar span{
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #fff;
    transition: all .3s;
}


.menubar span:nth-child(1){
    top: 0;
}

.menubar span:nth-child(2){
    top: 50%;
    transform: translateY(-50%);
}

.menubar span:nth-child(3){
    bottom: 0;
}

.menubar.on span:nth-of-type(1) {
    top: 50%;
    transform: translateY(-50%) rotate(-45deg);
}

.menubar.on span:nth-of-type(2) {
opacity: 0;
}

.menubar.on span:nth-of-type(3) {
bottom: 50%;
transform: translateY(50%) rotate(45deg);
}



.m_sitemap{
    width: 100%;
    height: calc(100% - 70px);
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 99;
    background-color: #008197;
    border-top: 1px solid #fff;
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s, visibility .5s;
    overflow: auto;
    padding: 10% 0;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    flex-direction: column;
}

.m_sitemap.on{
    opacity: 1;
    visibility: visible;
}

.download{
    display: flex;
    align-items: center;
    gap: 10px;
    height: 35px;
    margin-bottom: 50px;
}

.download li,
.download li img{
    height: 100%;
}


ul.menu>li{
    text-align: center;
    margin-bottom: 35px;
}

ul.menu>li p{
    font: normal 500 20px 'Montserrat', sans-serif;
    color: #fff;
    padding: 5px 0;
}

ul.sub_menu{
    margin-top: 15px;
    display: none;
}

ul.sub_menu li{
    font: normal 16px 'Pretendard-Light', sans-serif;
    color: #fff;
    margin-bottom: 15px;
}

ul.sub_menu li:last-child{
    margin-bottom: 0;
}

ul.download li img{
    box-shadow: 3px 3px 10px rgb(0, 0, 0, 0.1);
}