.f8f8f8{
    background:#f8f8f8;
}

.scroll-infinity__item {
    width: 1070px;
    margin-top: 27px;
}


#sche{
    width:980px;
    margin-inline:auto;
}
#sche span{
    text-align: center;
    display: block;
    font-size: 30px;
    font-weight: bold;
    color: #ff4824;
}
#sche p{
    margin:20px 0;
}
#sche img{
    width:100%;
}

#introduction{
    margin: 50px auto 100px;
    padding: 80px 0 1px;
}

.ir_back{
    position: absolute;
    top: 6%;
    left: 4%;
    background-image: linear-gradient(90deg, #ff4824, #ff8737);
    border-radius: 20px;
    width: 400px;
    height: 250px;
    z-index: 1;
}
.intro_right img{z-index:2;position:relative;}

.i-sd{
    padding-bottom:0;
}


/************************************************
    レスポンシブ
*************************************************/

@media screen and (max-width: 980px) {

    #main_txt {margin: 0px auto;}

    #sche {width: 90%;}
    #sche span {font-size:24px;}
    #sche p {font-size:14px; line-height:32px;}

 
    .sche_sp li{
        position: relative;   
        margin: 0 0 20px;
    }

    .sche_posi{
        position:relative;
        height: 27%;
    }
    .sche_posi img{
        width: 90%!important;
        margin-left: 5%;
        position: absolute;
        top: 17%;
        z-index: 1;
    }
    .sche_sp p{
        font-size: 14px!important;
        line-height: 24px!important;
        margin: 0 auto!important;
        width: 90%;
    }
    .sche_sp span{
        font-size: 18px!important;
        text-align: left!important;
        margin: 10px auto 8px;
        width: 90%;
    }
    .sche_time{
        font-weight: bold;
        color: #fff;
        background: #FF4824;
        width: 60px;
        height: 60px;
        text-align: center;
        border-radius: 60px;
        line-height: 60px;
        z-index: 2;
        position: relative;
    }

    #introduction {margin: 50px auto;}

    .ir_back {
        width: 100%;
        height: 100%;
    }

    .i-sd{
        padding:0!important;
    }
}