.seminar3 {
    background: url(../images/a3-bg.jpg);
}

.a3-wrapper {
    width: 100%;
}

.a3-top {
    width: 100%;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.a3-box {
    width: 50%;
    padding: 30px;
    border-radius: 20px;
    background-color: rgba(255, 255, 255, .05);
    box-shadow: 0 20px 20px 0 rgba(0, 0, 0, .07);
}

.a3-box h1 {
    font-size: 30px;
    margin-bottom: 2rem;
}

.a3-box p {
    font-size: 18px;
    line-height: 1.6;
}

.a3-box ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.a3-box ul li {
    font-size: 16px;
}

.a3-box li p {
    font-weight: 700;
}


.a3-box p em {
    color: #111;
    padding: 2px 6px;
    font-size: 16px;
    font-weight: 800;
    font-style: normal;
    letter-spacing: -0.04em;
    border-radius: 50px;
    background-color: #fff;
}

.a3-box p span {
    font-size: 12px;
}

.a3-box h3 {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.5;
    margin-top: .5rem;
}


.a3-bottom {
    width: 100%;
    margin-top: 10rem;
}

.a3-bottom h1 {
    font-size: 40px;
    margin-bottom: 2rem;
    text-align: center;
}

.a3-bottom h1 span {
    color: var(--sub-color);
}

.a3-table {
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    border-collapse: collapse;
    border-top: 1px solid rgba(255, 255, 255, .1);
    border-left: 1px solid rgba(255, 255, 255, .1);
    border-spacing: 0;
    table-layout: fixed;
}

.a3-table td {
/*    padding: 1.1em;	*/
	padding: 1.1em 0px 1.1em 0px;
    font-size: 17px;
    line-height: 1.4;
    font-family: 'Pretendard';
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    border-right: 1px solid rgba(255, 255, 255, .1);
    word-break: break-all !important;
    text-align: center;
}

.a3-table thead {
    background-color: rgba(0, 0, 0, 0.5);
}

.a3-table thead td {
    padding: 1em;
    font-size: 18px;
    font-weight: 700;
}

.a3-table-notice p {
    color: #aaa;
    font-size: 15px;
    text-align: right;
    margin-top: 1rem;
}

.a3-t-1 {
    background-color: rgba(133, 5, 5, 0.3);
}

.a3-t-2 {
    background-color: rgba(255, 9, 9, 0.3);
}

.a3-t-3 {
    background-color: rgba(0, 191, 255, 0.3);
}

.a3-t-4 {
    background-color: rgba(60, 67, 104, 0.3);
}


/*==================================================*/
@media (max-width: 850px) {
    .seminar3 {
        padding-top: 0;
    }
    
    .a3-top {
        flex-direction: column;
    }

    .a3-box {
        width: 100%;
        border-radius: 10px;
    }


    .a3-table td {
        font-size: 13px;
    }

    .a3-table thead td {
        font-size: 15px;
    }
}

@media (max-width: 850px) {
    .a3-table td {
        font-size: 13px;
    }

    .a3-table thead td {
        font-size: 15px;
    }

    .a3-table tbody td em {
        font-size: 13px;
    }

    .a3-t-date {
        width: 70px;
    }

    .a3-t-time {
        width: 120px;
    }
}

@media (max-width: 650px) {
    .a3-bottom h1 {
        font-size: 30px;
    }
}


@media (max-width: 550px) {
    .a3-box h1 {
        font-size: 22px;
    }

    .a3-box p {
        font-size: 13px;
    }

    .a3-box ul li {
        font-size: 13px;
    }

    .a3-box p span {
        font-size: 10px;
    }

    .a3-box h3 {
        font-size: 13px;
    }


    .a3-bottom {
        margin-top: 5rem;
    }

    .a3-bottom h1 {
        font-size: 22px;
    }

    .a3-table td {
        font-size: 10px;
    }

    .a3-table-notice p {
        font-size: 10px;
    }
}