.hoge {
    position: relative;
    z-index: 1;
    /* 必要であればリンク要素の重なりのベース順序指定 */
}
.hoge a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    text-indent:-999px;
    z-index: 2;
    /* 必要であればリンク要素の重なりのベース順序指定 */
}
.hoge:hover {
    filter:alpha(opacity=70);
    /* IE 6,7*/
    -ms-filter: "alpha(opacity=70)";
    /* IE 8,9 */
    -moz-opacity:0.7;
    /* FF , Netscape */
    -khtml-opacity: 0.7;
    /* Safari 1.x */
    opacity:0.7;
    zoom:1;
    /*IE*/
}
.btn_product {
    color: #004098;
    border: 1px #004098 solid;
    padding: 12px;
    display:flex;
    align-items:center;
    text-align: center;
    font-size: 16px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 15px;
    position: relative;
    width: 440px;
}
.btn_product:hover {
    opacity: 1;
    background-color: #f1f7ff;
}
.btn_product.arrow_r::before {
    position: absolute;
    display: block;
    content: "";
    width: 8px;
    height: 12px;
    background: url(/img/common/ico_arrow_r_blue.svg) no-repeat center center;
    background-size: contain;
    top: 50%;
    right: 15px;
    margin-top: -6px;
}
.img_product{
    width:75px;
    height:75px;
}
.txt_product{
    margin: 0 40px 0 30px;
    display: inline-block;
}
@media screen and (max-width: 767px){
    .btn_product{
        padding: 3px 12px;
        font-size: 13px;
        width: 100%;
        max-width: 410px;
    }
    .btn_product.arrow_r::before {
    }
    .img_product{
        width:65px;
        height:65px;
    }
}