#contents #ffpr ul.kv li{opacity:0;z-index:0;transition:opacity .3s 0s}#contents #ffpr ul.kv li.fore{opacity:1;transition:opacity 1s 0s}#contents #ffpr ul.kv li.over{opacity:1;z-index:1;transition:opacity .3s 0s}#contents #ffpr section.main{z-index:2}