nav.navbar {
    margin-bottom: 0;
}
.strongred {
    color: #cf0050;
    font-weight: 700;
}
.color666 {
    color: #666;
}
.colorf {
    color: #fff;
}
.mt1 {
    margin-top:1em !important;
}
.mt2 {
    margin-top:2em !important;
}
.pt30 {
    padding-top: 30px;
}
.underline {
    background: linear-gradient(transparent 50%, yellow 0%);
    display: inline;
}
.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: 80%;
    margin: 30px auto;
    padding: 10px;
}
.promoimg {
    width: 80%;
}

#sec2  {
    padding: 1vh 0 60px;
    background: #fff;
    text-align: center;
    font-size: 1.2em;
    line-height: 1.8em;
}

#sec10 {
    margin-top:30px;
}
/* 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%;
    }
}