.about .about_exp{
    margin-bottom: 40px;
    font-size: 16px;
    line-height: 1.6;
}
.about .work_line{
    max-width: 920px;
    width: 100%;
    margin: 0 auto 40px;
} 
.about .work_line li{
    position: relative;
    margin-bottom: 12px;
}
.about .work_line li.next{
    width: 20px;
    height: 20px;
    margin: 0 auto;
}
.about .work_line li.next:after{
    content: "";
    display: inline-block;
    position: absolute;
    width: 20px;
    height: 20px;
    top: 0;
    left: 0;
    bottom: 0;
    margin: auto;
    display: inline-block;
    border: 10px solid transparent;
    border-left: 10px solid #F599A4;
    transform: rotate(90deg);
}
.about .work_line li:last-child:after{
    content: none;
}
.about .work_line li a{
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    width: 100%;
    padding: 10px 15px;
    text-align: center;
    border: 3px solid #E6001B;
}
.about .work_line li a img{
    max-width: 50px;
    width: 100%;
}
.about .work_line li .txt{
    font-size: 20px;
    font-weight: bold;
    color: #E6001B;
}
.about .work_line li .icon{
    flex: 0 0 50px;
}
.about .work_line li .icon span{
    display: block;
    position: relative;
    width: 32px;
    height: 32px;
    margin: 0 auto;
    background: #FDEBED;
    border-radius: 100%;
}
.about .work_line li .icon span:after{
    content: "";
    position: absolute;
    display: inline-block;
    width: 8px;
    height: 8px;
    right: 0;
    left: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    border-right: 2px solid #E6001B;
    border-bottom: 2px solid #E6001B;
    transform: rotate(45deg);
}

.about .contain_box{
    padding: 40px 0;
    border-top: 1px solid #E5E5E5;
}
.about .contain_box .con_txt{
    flex: 0 0 37%;
}
.about .contain_box .con_txt .m_til{
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}
.about .contain_box .con_txt .m_til .img{
    flex: 0 0 52px;
    width: 52px;
    margin-right: 15px;
}
.about .contain_box .con_txt .m_til .txt{
    flex: 1 1 auto;
    font-size: 24px;
    color: #E6001B;
}
.about .contain_box .con_txt .m_til .txt .en_txt{
    display: block;
    font-size: 16px;
    font-family: "din-condensed", "DIN",'ヒラギノ角ゴシック', 'Hiragino Sans', 'ヒラギノ角ゴ ProN W3', 'Hiragino Kaku Gothic ProN', 'メイリオ', 'Meiryo', 'ＭＳ Ｐゴシック', 'MS PGothic', sans-serif;
}
.about .contain_box .con_txt .sub_til{
    margin-bottom: 5px;
    font-size: 18px;
    font-weight: bold;
}
.about .contain_box .con_txt .m_exp{
    margin-bottom: 15px;
    line-height: 1.6;
}
.about .contain_box .con_txt .r_link{
    margin-bottom: 30px;
}
.about .contain_box .con_txt .r_link.lst{
    margin-bottom: 0;
}
.about .contain_box .con_txt .show_room,
.about .contain_box .con_txt .caravan{
    position: relative;
    padding-left: 40px;
    margin-bottom: 4px;
    font-size: 16px;
    font-weight: bold;
    color: #E6001B;
}
.about .contain_box .con_txt .show_room:before{
    content: "";
    display: inline-block;
    position: absolute;
    top: 0;
    left: 9px;
    width: 18px;
    height: 22px;
    background: url(/shared/images/ico_showroom.svg) center / contain no-repeat;
}
.about .contain_box .con_txt .caravan:before{
    content: "";
    display: inline-block;
    position: absolute;
    top: 2px;
    left: 0;
    width: 30px;
    height: 24px;
    background: url(/shared/images/ico_caravan_r.svg) center / contain no-repeat;
}
.about .contain_box .con_txt .r_link .txt{
    color: #888888;
    font-size: 14px;
    line-height: 1.6;
}
.about .contain_box .con_txt .link{
    position: relative;
    padding-left: 15px;
    color: #E6001B;
    font-size: 14px;
    text-decoration: underline;
}
.about .contain_box .con_txt .link:before{
    content: "≫";
    display: inline-block;
    position: absolute;
    top: -1px;
    left: 0;
}
.about .contain_box .con_txt .link.ico_blank:after{
    content: "";
    display: inline-block;
    position: absolute;
    right: -17px;
    bottom: 2px;
    width: 13px;
    height: 13px;
    background: url(/shared/images/ico_blank_r.svg) center / contain no-repeat;
}
.about .contain_box .con_txt .service_list li{
    position: relative;
    margin-bottom: 13px;
    padding-left: 20px;
}
.about .contain_box .con_txt .service_list li:last-child{
    margin-bottom: 0;
}
.about .contain_box .con_txt .service_list li:before{
    content: "・";
    display: inline-block;
    position: absolute;
    left: 0;
}
.about .contain_box .con_img{
    flex: 0 0 57%;
    margin-bottom: 30px;
}

.about .contain_box#derivery{
    margin-bottom: 40px;
    border-bottom: 1px solid #E5E5E5;
}
.about .resolution_box .til{
    margin-bottom: 10px;
    font-size: 20px;
    font-weight: bold;
    color: #E6001B;
}
.about .resolution_box .txt{
    margin-bottom: 20px;
    line-height: 1.6;
}
.about .resolution_box .r_w_box{
    max-width: 100%;
    padding: 15px 5px;
    margin: 0 auto 50px;
    font-size: 16px;
}

@media screen and (min-width: 560px){
    .about .about_exp{
        margin-bottom: 60px;
        font-size: 20px;
        line-height: 2;
        text-align: center;
    }
    .about .work_line{
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin: 0 auto 100px;
    } 
    .about .work_line li {
        flex: 0 0 22%;
        width: 22%;
        margin-bottom: 0;
    }
    .about .work_line li.next{
        flex: 0 0 2%;
        width: 100%;
        height: 100%;
    }
    .about .work_line li.next:after{
        left: 3px;
        transform: rotate(0);
    }
    
    .about .work_line li a{
        display: inline-block;
        padding: 28px 0;
    }
    .about .work_line li a img{
        max-width: 70px;
        margin-bottom: 16px;
    }
    .about .work_line li .txt{
        margin-bottom: 15px;
    }
    .about .work_line li .icon span{
        margin: 0 auto;
    }
    .about .contain_box{
        padding: 60px 0;
    }
    .about .contain_box .con_txt .r_link .txt{
        line-height: 2;
    }
    .about .contain_box#derivery{
        margin-bottom: 80px;
    }
    .about .resolution_box {
        text-align: center;
    }
    .about .resolution_box .til{
        margin-bottom: 20px;
        font-size: 24px;
    }
    .about .resolution_box .txt{
        margin-bottom: 40px;
        line-height: 2;
    }
    .about .resolution_box .r_w_box{
        max-width: 360px;
        margin: 0 auto 100px;
        padding: 21px 5px;
        font-size: 18px;
    }
}
@media screen and (min-width: 960px){
    .about .work_line li .txt{
        font-size: 24px;
    }
    .about .work_line li.next:after{
        width: 30px;
        height: 30px;
        border: 15px solid transparent;
        border-left: 15px solid #F599A4;
    }
    .about .contain_box{
        border-top: 1px solid #E5E5E5;
    }
    .about .contain_box{
        display: flex;
        justify-content: space-between;
        flex-flow: row-reverse;
        padding: 60px 0;
    }
    .about .contain_box .con_img{
        margin-bottom: 0;
    }
    .about .contain_box .con_txt .m_til{
        display: flex;
        margin-bottom: 25px;
    }
    .about .contain_box .con_txt .m_til .img{
        flex: 0 0 70px;
        width: 70px;
        margin-right: 25px;
    }
    .about .contain_box .con_txt .m_til .txt{
        font-size: 32px;
    }
    .about .contain_box .con_txt .m_til .txt .en_txt{
        font-size: 18px;
    }
    .about .contain_box .con_txt .sub_til{
        margin-bottom: 10px;
        font-size: 20px;
    }
    .about .contain_box .con_txt .m_exp{
        margin-bottom: 30px;
        line-height: 2;
    }
    .about .contain_box .con_txt .show_room,
    .about .contain_box .con_txt .caravan{
        padding-left: 50px;
        margin-bottom: 7px;
        font-size: 18px;
    }
    .about .contain_box .con_txt .show_room:before{
        top: 0;
        left: 13px;
        width: 21px;
        height: 24px;
        background: url(/shared/images/ico_showroom.svg) center / contain no-repeat;
    }
    .about .contain_box .con_txt .caravan:before{
        top: 2px;
        left: 0;
        width: 40px;
        height: 24px;
        background: url(/shared/images/ico_caravan_r.svg) center / contain no-repeat;
    }
}