.site-map-box{
   position: relative;
}

.site-map-box img{
    width: 100%;
}
.map-nav{
    position: absolute;
    top:11%;
    width: 850px;
    left:50%;
    transform: translateX(-50%);
}
.map-nav ul{
    position: relative;
    display: inline-block;
    width: 16%;
    text-align: center;
    vertical-align: top;
}
.map-nav li.main{
    font-size: 1.6rem;
    font-weight: bold;
    padding:1.6rem 0;
    opacity: 1;
}
.map-nav a{
    color: #000;
}
.map-nav li{
    font-size: 1.4rem;
    padding:0.7rem 0;
    opacity: 0.5;
}
.map-nav li:hover{
    opacity: 1;
}

.nav-line{
    position: absolute;
    right: 0;
    top:0;
    width: 2px;
    height: 250px;
    background: linear-gradient(rgba(142,142,142,0),rgba(142,142,142,0.5),rgba(142,142,142,0));
}