.list50on{
    overflow : hidden;
    margin: 40px 0 90px 40px;
}
.list50on li{
    float: left;
    width: 12%;
}

.listpolice{ margin:1em 0 1em 3em;}
.listpolice li{
    float: left;
    width: 49%;
    margin-bottom: 1em;
}
#narita{
    width: 66%;
}
.aiucols{
    overflow : hidden;
    margin-bottom: 60px;
}

@media (max-width:667px) {
    .list50on{ overflow : hidden; margin: 0 0 60px 40px;}
    .list50on li{ float: left; width: 24%; margin-top:10px }
    .listpolice li { float: none; clear:both; width: 100%;}
    #narita{ width: 100%;}}

.listcities{ 
    clear: both;
    margin:1em 0 0 50px;
}
.policecities{
    float: right;
    width: 51%;
    margin-bottom: 5%;
}
.policecities li{
    float: left;
    width: 45%;
    margin-bottom: 5%;
    list-style: disc;
}

@media (max-width:667px) {
    .listcities{ margin:1em;}
    .policecities{ width: 37%; margin-bottom: 7%;}
    .policecities li{ clear: both; width: auto; margin-bottom: 3%}
    }