.about_wrap{
    padding: 10rem 0 5rem;
}
.about_wrap .flex_set{
    margin-bottom: 3rem;
}
.about_text{
    width: 70%;
    padding-top: 1rem;
    padding-right: 6rem;
}
.about_img{
    width: 30%;
}
@media screen and (max-width:1050px) {
.about_wrap{
    padding: 5rem 0 3rem;
}
.about_text{
    width: 100%;
    max-width: 750px;
    order: 2;
    padding-right: 0;
    margin: auto;
}
.about_img{
    width: 100%;
    order: 1;
    padding-top: 2rem;
    margin-bottom: 1rem;
}
}
.features_list li{
    position: relative;
    width: 33.3333333%;
    padding: 3rem 3.3rem;
    text-align: center;
}
.features_list li:first-child,
.features_list li:nth-child(2),
.features_list li:nth-child(3){
    border-bottom: 1px solid #C2C2C2;
}
.features_list li:after{
    position: absolute;
    top: 5%;
    right: 0;
    content:"";
    display: inline-block;
    height: 90%;
    width: 1px;
    background: #C2C2C2;
}
.features_list li:nth-child(3n):after{
    display: none;
}
.features_list li .number img{
    margin-right: 0;
}
.features_list li .ico{
    margin-bottom: 2rem;
    margin-top: -1rem;
}
.features_list li h4{
    font-size: 1.8rem;
    margin-bottom: 2rem;
    min-height: 64px;
}
.tel{
    font-size: 2.6rem;
    font-weight: bold;
    text-align: center;
}

@media screen and (max-width:1050px) {
.features_list li{
    width: 50%;
    padding: 3rem 2rem;
}
.features_list li:nth-child(4){
    border-bottom: 1px solid #C2C2C2;
}
.features_list li:nth-child(3n):after{
    position: absolute;
    top: 5%;
    right: 0;
    content:"";
    display: inline-block;
    height: 90%;
    width: 1px;
    background: #C2C2C2;
}
.features_list li:nth-child(2n):after{
    display: none;
}
}
@media screen and (max-width: 640px) {
.features_list li{
    width: 100%;
    border-bottom: 1px solid #C2C2C2;
}
.features_list li:nth-child(3n):after,
.features_list li:after{
    display: none;
}
}
.self-healing .h3_style02{
    margin-bottom: 5rem;
}
.self-healing .ttl_line02{
    margin-bottom: 3rem;
}
.self-healing img{
    margin-bottom: 7rem;
}