@charset="UTF-8";
/*commu_nav*/
.commu_nav ul li:nth-child(3):after{content: "";position: absolute;bottom: 0;left: 50%;width: 100px;height: 3px;background:rgba(115,51,97,1); transform: translateX(-50%);}
.commu_nav ul li:nth-child(3):hover:after{animation: sub3_nav 0.5s forwards;}
@keyframes sub3_nav{
    0%{width: 0px;}
    100%{width: 100px;}
}
.commu_nav ul li:nth-child(3):hover{background: rgba(115,51,97,0.0);}
.commu_nav ul li:nth-child(3):hover a{color: #333;}

@media(max-width:480px){
    .commu_nav ul li:nth-child(3):after{width: 100%;}
}