.article4 {
    height: 500px;
    background: url(../images/a4-bg.png) no-repeat;
    background-position: center;
    background-size: cover;
    padding: 0;
}

.a4-text {
    width: 700px;
    color: #222;
    text-align: center;
}

.a4-text h1 {
    font-size: 35px;
    font-family: 'notokr-black';
    font-weight: normal;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}

.a4-text p {
    font-size: 50px;
    font-family: 'notokr-regular';
    letter-spacing: -0.0625em;
    margin-bottom: 3rem;
}

.a4-text p span {
    color: var(--main-color);
    font-family: 'notokr-bold';
}

.a4-text h5 {
    color: #444;
    font-size: 18px;
    font-family: 'notokr-light';
}


/*==================================================*/
@media (max-width: 720px) {
    .article4 {
        height: auto;
        padding: 80px 0;
    }

    .a4-text {
        width: 100%;
    }

    .a4-text h1 {
        font-size: 25px;
    }

    .a4-text p {
        font-size: 35px;
        margin-bottom: 1.5rem;
    }
}


@media (max-width: 500px) {
    .a4-text p {
        font-size: 30px;
    }

    .a4-text h5 {
        font-size: 14px;
    }
}