.article9 {
    position: relative;
    background-color: #f2f2f2;
}

.article9::after {
    content: '';
    position: absolute;
    bottom: -20px; left: 50%;
    transform: translate(-50%, 0) rotate(45deg);
    width: 40px;
    height: 40px;
    background-color: #f2f2f2;
}

.a9-title {
    margin-bottom: 4rem;
}

.a9-box-wrapper {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.a9-box {
    padding: 50px 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 2.5rem;
    border: 2px solid #ddd;
    background-color: #fff;
    cursor: default;
}

.a9-box:hover {
    border: 2px solid var(--main-color);
}

.a9-box p {
    color: #555;
    font-size: 18px;
    line-height: 1.65;
}


/*==================================================*/
@media (max-width: 1250px) {
    .a9-box p br {
        display: none;
    }
}


@media (max-width: 850px) {
    .a9-title {
        width: 75%;
        margin-bottom: 2rem;
    }

    .a9-box-wrapper {
        grid-template-columns: repeat(2, 1fr);
    }
}


@media (max-width: 650px) {
    .a9-box {
        padding: 40px 20px;
        justify-content: unset;
    }
    
    .a9-box p {
        font-size: 14px;
    }
}


@media (max-width: 550px) {
    .a9-title {
        margin-bottom: 1rem;
    }
    
    .article9::after {
        bottom: -10px;
        width: 20px;
        height: 20px;
    }
    
    .a9-box-wrapper {
        gap: 10px;
    }
    
    .a9-box {
        padding: 25px 15px;
        gap: 1.5rem;
    }

    .a9-box p {
        font-size: 12px;
    }
}