.article3 {
    background: url(../images/a3-bg.jpg);
}

.article3 .article-wrapper {
    width: 1400px;
}

.a3-title {
    margin-bottom: 4rem;
}

.a3-box-wrapper {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}


/*==================================================*/
@media (max-width: 1450px) {
    .article3 .article-wrapper {
        width: 100%;
    }
    
    .a3-box-wrapper {
        width: 95%;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .a3-box {
        width: 100%;
    }
}


@media (max-width: 1050px) {
    .a3-title {
        width: 75%;
    }
}


@media (max-width: 850px) {
    .a3-title {
        margin-bottom: 3rem;
    }
    
    .a3-box-wrapper {
        width: 98%;
        gap: 1rem;
    }
}


@media (max-width: 650px) {
    .a3-title {
        width: 90%;
    }
    
    .a3-box-wrapper {
        width: 100%;
        flex-direction: column;
        gap: 1.5rem;
    }

    .a3-box {
        width: 90%;
    }

    .a3-box img {
        width: 100%;
    }
}