/* 共通　*/
/* footer */
footer {
    background-color: #f1f1f1;
    padding: 20px;
    text-align: center;
    color: #4d4d4d;
    font-size: 14px;
    margin-bottom: 0px;
}

footer a {
    color: #4d4d4d;
    text-decoration: none;
    margin: 0 10px;
}

footer a:hover {
    text-decoration: underline;
}