.article1 {
    position: relative;
}

.a1-wrapper {
    width: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.a1-left {
    width: 50%;
}

.a1-right {
    width: 50%;
}

.a1-1 {
    position: absolute;
    top: 100px; left: -150px;
    z-index: 2;
}

.a1-2 {
    display: none;
}

.a1-r-bar-wrapper {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 240px;
    display: flex;
}

.a1-r-bar {
    position: relative;
    top: 270px; left: 0;
    width: 50%;
    background: var(--main-color);
}

.a1-r-bar:nth-child(2):after {
    content: '';
    position: absolute;
    top: 50%; left: 0;
    transform: translate(0, -50%);
    background: url(../images/a1-2.png) no-repeat;
    width: 759px;
    height: 154px;
}


.a1-right p {
    color: #3d3d3d;
    font-size: 26px;
    font-weight: 500;
    line-height: 1.7;
    margin-top: 19rem;
}


/*==================================================*/
@media (min-width: 2250px) {
    .a1-1 {
        left: 150px;
    }
}


@media (max-width: 1850px) {
    .article1 {
        padding-top: 0;
    }

    .article1::after {
        content: '';
        position: absolute;
        top: 0;
        width: 100%;
        height: 60%;
        background-color: var(--main-color);
    }
    
    .a1-wrapper {
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

    .a1-left {
        width: 70%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 3rem;
        z-index: 20;
    }

    .a1-1 {
        position: static;
        margin-top: -3rem;
    }

    .a1-2 {
        display: flex;
    }

    .a1-r-bar-wrapper {
        display: none;
    }

    .a1-right {
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        margin-top: 7rem;
    }
    
    .a1-right p {
        text-align: center;
        margin-top: 2rem;
    }
}


@media (max-width: 1150px) {
    .a1-left {
        width: 90%;
    }
}


@media (max-width: 650px) {
    .a1-title {
        width: 85%;
    }
    
    .a1-right p {
        font-size: 18px
    }
}


@media (max-width: 550px) {
    .article1 {
        padding-bottom: 10%;
    }
    
    .article1::after {
        height: 52%;
    }

    .a1-left {
        gap: 1rem;
    }

    .a1-right {
        margin-top: 3rem;
    }
}


@media (max-width: 450px) {
    .article1::after {
        height: 53%;
    }
    
    .a1-left {
        gap: 1.5rem;
    }
    
    .a1-right p {
        font-size: 15px;
        margin-top: 1.5rem;
    }
}