.header_box{
    margin: auto;
    height: 110px;
    width: 1200px;
    display: flex;
    align-items: center;
    position: relative;
    opacity: 0.95;
}

header{
    opacity: 0.9;
    background-color: white;
    min-width: 1200px;
    position: sticky;
    top: 0;
    z-index: 99;
}

.img_logo{
    width: 300px;
    padding: 10 20;
}


.links{
    position: absolute;
    top: 5;
    right: 0;
    margin-top: 5px;
    margin-bottom: 10px;
}

.link_text:hover{
    font-weight: bold;
}


.link_text{
    display: inline-block;
    font-size: 15px;
    margin-left: 10px;
    margin-right: 20px;
}

.link_text > .img_naver, .link_text > .img_kakao{
    margin-right: 7px;
    height: 22px;
    vertical-align:-30%;
}

.nav_list{
    width: calc(100% - 500px);
    height: 70px;
    position: absolute;
    bottom: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav_item{
    font-size: 1.1rem;
    display: block;
    padding: 25px;
}

.nav_item:hover{
    font-weight: bold;
}


.nav_list > li:after{
    content: '';
    display: block;
    margin: auto;
    height: 5px;
    width: 0px;
    background: transparent;
    transition: width .5s ease, background-color .5s ease;
}

.nav_list > li:hover:after{
    width: 100%;
    background: #3F4462;
}

.nav_list > li:last-child:hover:after{
    width: 100%;
    background: pink;

}

.line{
    margin-top: 5px;
    height: 1px;
    min-width: 1200px;
    background-color: lightgrey;
}