img {
    backface-visibility: hidden;
}
nav.navbar {
    margin-bottom: 0;
}
.content {
    color: #333;
}
.title {
    text-align: center;
    font-size: 32px;
    padding-top: 60px;
    font-weight: 700;
    line-height: 1.4em;
}
.sub_title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4em;
    margin-bottom: 30px;
}
.detail_title {
    font-weight: bold;
    font-size: 28px;
    color: #333;
    margin-bottom: 30px;
    text-decoration: underline;
}
.middlediv {
    width: 90%;
    margin: 30px auto;
    padding: 10px;
}
#sec2 {
    text-align: center;
    font-size:18px;
}
.detail_cont {
    font-size: 22px;
}
.lightdiv {
    margin:0 15px;
    width: 100%;
    border: 1px solid #689f38;
    padding: 0;
}
.divtitle {
    font-size: 22px;
    color: #fff;
    font-weight: bold;
    padding: 10px;
    background: #689f38;
    color: #fff;
}

/* iPAD */
@media screen and (min-device-width:480px) and (max-device-width:1024px){
    .container {
        width: 100%;
    }
    .title {
        font-size: 1.8em;
    }
    .middlediv {
        width: 90%;
    }
    #sec2 {
        font-size: 1.1em;
    }
}
/* iPAD Pro */
@media screen and (max-device-width:1024px){
}
/* スマホ */
@media screen and (max-width:480px){
    .br::before {
        content: "\A" ;
        white-space: pre ;
    }
    .container {
        padding: 0;
    }
    .title {
        font-size: 1.5em;
        padding: 30px;
    }
    .middlediv {
        width: 95%;
    }
    #sec2 img {
        max-width: 100%;
    }
}