* {
    margin: 0;
    padding: 0;
}

.header_box {
    width: 100%;
    padding-top: calc(3px + 1rem);
    padding-bottom: calc(2px + 1rem);
    position: fixed;
    top: 0;
    z-index: 10;
    transition: .5s;
}

.header_box_act {
    background: #FFFFFF;
    box-shadow: 0px calc(1px + 0.25rem) calc(10px + 0.5rem) 0px rgba(0, 0, 0, 0.06);
    transition: .3s;
}

.header {
    max-width: 1400px;
    width: 85%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header_logo {
    width: calc(42px + 5rem);
}

.header_right {
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.herader_nav_icon_box {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: calc(4px + 0.5rem);
    margin-right: calc(17px + 2rem);
    cursor: pointer;
}

.herader_nav_icon_box .header_nav_icon {
    width: calc(6px + 0.5rem);
    display: flex;
    justify-content: center;
    align-items: center;
}

.herader_nav_icon_box .header_nav_icon img {
    width: 100%;
    display: none;
}

.herader_nav_icon_box .header_nav_icon img:nth-of-type(1) {
    display: block;
}

.herader_nav_icon_box p {
    font-family: Helvetica_roman;
    font-weight: normal;
    font-size: calc(6px + 0.5rem);
    color: #333333;

}

.herader_nav_icon_box_act p {
    color: #EC6629;
}

.herader_nav_icon_box_act img {
    display: none;
}

.herader_nav_icon_box_act .header_nav_icon img:nth-of-type(1) {
    display: none;
}

.herader_nav_icon_box_act .header_nav_icon img:nth-of-type(2) {
    display: block;
}

.header_search {
    margin-right: calc(7px + 1rem);
    cursor: pointer;
    position: relative;
}

.header_search img {
    width: calc(10px + 0.5rem);
}

.search_input{
    width: 0;
    height: calc(10px + 1rem);
    background:#ffffff;
    position: absolute;
    left: calc(10px + 1rem);
    top: calc(0px - 0.25rem);
    overflow: hidden;
    transition: .3s;
}
.search_input from{
    height: 100%;
}
.search_input input{
    width: 100%;
   height: calc(10px + 1rem);
    border: 1px #e9e9e9 solid;
    padding-left:calc(2px + 0.1rem);
}

.header_search:hover .search_input{
    width: calc(80px + 5rem);
}

.lang {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: calc(5px + 0.25rem);
}

.lang img {
    width: calc(2px + 1rem);
}

.lang p {
    font-family: Helvetica_roman;
    font-weight: normal;
    font-size: calc(6px + 0.5rem);
    color: #333333;
}

.line {
    width: 1px;
    height: calc(6px + 0.5rem);
    background: #D2D2D2;
    margin-right: calc(7px + 1rem);
}

.header_nav_box {
    width: 100%;
    height: 0;
    background: #EBEBEB;
    position: absolute;
    top: 100%;
    z-index: 1;
    transition: .3s;
    overflow: hidden;
}

.header_nav {
    max-width: 1400px;
    width: 85%;
    height: 100%;
    margin: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: calc(8px + 2rem);
}

.header_nav .header_nav_item {
    font-family: Helvetica_bold;
    font-weight: bold;
    font-size: calc(2px + 1rem);
    color: #595959;
    line-height: 1;
}

.header_nav .header_nav_item a {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: calc(2px + 0.5rem);
}

.header_nav .header_nav_item img {
    width: calc(3px + 0.5rem);
    display: none;
}

.header_nav .header_nav_item_act img {
    display: block;
}

.header_nav .header_nav_item_act {
    color: #EC6629;
    transition: .3s;
}

@media screen and (max-width: 1100px){
    .header_box{
        display: none;
    }
}