section.sec01 .inner .box p:last-child img {
    display: block;
    margin:  1.6em auto 0.5em auto;
    width: 90%;
    height: auto;
    max-width: 487px;
}
section.sec01 .inner .box p:last-child span {
    text-align: center;
    display: block;
    line-height: 1.6;
}