.cont_ttl2 {
    background: url(../img/icon.png) no-repeat #333;
    background-position: bottom 33px left 10px;
    background-size: 20px 20px;
    color: #fff;
    font-weight: bold;
    line-height: 1.4em;
    font-size: 17px;
    position: relative;
    padding: 20px 0 20px 40px;
}

div#badminton_sp section.main-contents {
    width: 100%;
    padding: 0 0 6vw;
}

div#badminton_sp section.main-contents .inner {
    text-align: center;
    margin: 0 auto;
    width: 92%;
}