section#contents-navi > nav{
 display: block; 
 width: 100%;
 height: auto;
 padding: 1em 0;
 border-top: 1px solid #ccc;
 border-bottom: 1px solid #ccc;
}
section#contents-navi > nav > ul { padding: 0;}
section#contents-navi > nav > ul > li {
 list-style: none !important;
 display: inline-block !important;
 width: calc(20% - 6px);
 height: auto;
 margin: 0;
}
section#contents-navi > nav > ul > li > a {
 font-size: 14px;
 text-align: left;
 padding: 2px 10px 2px 25px;
 display: block;
 border-right: 1px dotted #ccc;
 background: url(/ec/contents/nw_sp_accessories/1/ico_arrow.png) no-repeat left 10px center/8px auto;
}
.table.tabular td:nth-of-type(n+2) {text-align: center;}

@media screen and (max-width: 730px) {
section#contents-navi > nav > ul > li { width: calc(50% - 6px);}
}