header{
    width: 1200px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    font-size: 0;
    position: relative;
    box-sizing: border-box;
    padding: 50px 0;
}
.header-logo-box{
    width: 250px;
    max-width: 100%;
    display: inline-block;
    vertical-align: middle;
}
.header-menu-box{
    width: calc(100% - 250px);
    display: inline-block;
    vertical-align: middle;
    text-align: right;
}
#index .header-menu-box{
    display: none;
}
.header-menu li{
    display: inline-block;
}
.header-menu li>a{
    display: inline-block;
    vertical-align: middle;
    padding: 0 17px;
    font-size: 20px;
    letter-spacing: 0.06em;
}
.header-menu li:after {
    content: '';
    display: inline-block;
    vertical-align: middle;
    border-right: 1px solid #000;
    padding: 10px 0;
}
.header-menu li:last-child:after{
    display: none;
}