.itemList{
    justify-content: center;
}

.sec_bottomBnr img{
  border-radius: 20px;
}

.sec_series .col-pc-3{
  -webkit-box-flex: 0;    -ms-flex: 0 0 25%;    flex: 0 0 25%;
}

.sec_series .row:before,
.sec_series .row:after{
ĦĦdisplay:inline-block;
  width:0px; 
}