footer {
    width: 100%;
    color: #fff;
    overflow: hidden;
    background: #a2a2a2;
    text-align: center;
    margin: 0 auto;
}

footer .sp {
	display: block;
    text-align: center;
    margin: 0 auto !important;
    width: 120px;
    /* display: block; */
    /* height: 100%; */
}

footer li {
    float: left;
    list-style: none;
    width: 50%;
    padding: 0 5%;
	box-sizing: border-box;
}

footer li a{
    display: inline-block;
    line-height: 0;
}