.hrLeft { 
    text-align: left; 
    margin-left: 0; 
    width: 55%; 
}
.hrRight { 
    text-align: right;
    margin-right: 0; 
    width: 55%; 
}
.top-title{
    text-align: center;
    font-size: 1.2em;
}
.top-artivle{
    margin: 80px auto;
}
.top-artivle-content{
    text-align: center;
}
.top-artivle-content p{
    margin-bottom: 40px;
}
.margin_03{
    margin-top: 400px;
}
.hooray{
    margin-top: -200px;
}
.article_02{
    color: #fff;
    text-align: center;
}
.article_03 {
    background-color: #515153;
    color: #fff;
    text-align: center;
}
.concept-title{
    font-size: 22px;
    margin-bottom: 60px;
}
.concept-detail{
    font-size: 22px;
    margin: 0 auto 80px;
}
.concept-text{
    font-size: 16px;
    line-height: 3.5rem;    
}
.logo-material{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 80px auto 30px;
}
.logo-material-img{
    width: 30%;
}
.logo-material-img-02{
    width: 18%;
}
.triangle{
    margin: 30px auto;
    width: 5%;
}
.last-commenr{
    margin: 80px auto 0;
    padding-bottom: 70px;
}


.view{
    transform: translateY(30px);
    opacity: 0;
    transition: all .8s ease-in-out .8s;
}
.view img{
    vertical-align: middle;
}
.view.js-on{
    transform: translateY(0px);
    opacity: 1;
}
@media screen and (max-width:767px) {
    .concept-title {
        margin-bottom: 20px;
    }
}