.about03 {
    position: relative;
}
.about03__inner {
    display: flex;
    margin: 0 auto;
    align-items: center;
}
.about03__img {
    width: 600px;
    margin-left: auto;
    position: relative;
}
.about03__img:first-of-type{
    margin-right: 54px;
}
.about03__img:first-of-type::before{
    content: '';
    display: block;
    width: 600px;
    height: 397px;
    background: var(--main-color);
    position: absolute;
    top: -61px;
    right: 344px;
    z-index: -1;
}
.about03__img:nth-of-type(3){
    width: 480px;
    margin-left: 0;
}
.about03__article {
    width: 430px;
    margin-right: 60px;
}