.width_full {
    width: 100%;
}
.contents__body .btn_wrap.center{
    width: 240px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 1em;
}
.contents__body .btn {
    background-color: #10be84;
    border-radius: 25px;
    height: 50px;
    line-height: 48px;
    color: #ffffff;
    font-size: 18px;
    text-align: center;
    width: 240px;
    display: inline-block;
    text-decoration: none;
    letter-spacing: 2px;
    transition: all 0.3s ease 0s;
    border: 1px solid #10be84;
}
.contents__body .btn:link,
.contents__body .btn:visited,
.contents__body .btn:hover,
.contents__body .btn:active{
    color: #FFF;
}
.contents__body .btn:hover {
    color: #000;
    border: 1px solid #000;
    background-color: #FFF;

}
@media screen and (min-width:480px) { 
    /*　画面サイズが480pxからはここを読み込む　*/

}
@media screen and (min-width:768px) and ( max-width:1024px) {
    /*　画面サイズが768pxから1024pxまではここを読み込む　*/

}
@media screen and (min-width:1024px) {
    /*　画面サイズが1024pxからはここを読み込む　*/
 
}