.banner01{
    width: 100%;
    height: 650px;
    background: url(../image/case01.png);
    background-size: cover
}
.case-text{
    float: right;
    height: 100%;
    width: 30%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    flex-direction: column;
    background-color: rgba(0,0,0,0.5);
}
.case-text h1{
    width: 80%;
    color: #fff;
    font-size: 60px;
}
.case-text span{
    color: #fff;
    width: 80%;
}
.case-text span a{
    color: #fff;
    font-size: 15px;
    width: 80%;
    text-decoration: underline;
}
.banner02{
    width: 100%;
    height: 850px;
    background: url("../image/case02.jpg");
    background-size: cover
}
.banner03{
    width: 100%;
    height: 830px;
    background: url("../image/case03.jpg");
    background-size: cover
}
.banner04{
    width: 100%;
    height: 850px;
    background: url("../image/case04.jpg");
    background-size: cover
}
.banner-normal{
    width: 100%;
    height: 800px;
    background-color: antiquewhite;
}
.case-text2{
    float: right;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    flex-direction: column;
    
}
.case-text2 h1{
    width: 80%;
    color: #4c4c4c;
    font-size: 60px;
}
.case-text2 span{
    color: #434343;
    width: 80%;
}