.seminar5 {
    background: url(../images/a5-bg.jpg);
}

.a5-wrapper {
    width: 100%;
}

.a5-title {
    margin-bottom: 2rem;
}

.a5-title h1 {
    font-size: 30px;
    margin-bottom: .5rem;
}

.a5-title p {
    font-size: 18px;
    line-height: 1.6;
}

.a5-box-wrapper {
    width: 100%;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.a5-box {
    position: relative;
    width: 33%;
    height: 220px;
    padding: 0 30px;
    padding-top: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    border-radius: 20px;
    background-color: #03475e60;
    box-shadow: 0 20px 20px 0 rgba(0, 0, 0, .07);
    transition: transform .3s ease;
    overflow: hidden;
}

.a5-box:last-child {
    background-color: #03475eb7;
}

.a5-box img {
    width: 80px;
    height: auto;
    margin-bottom: .7rem;
    -webkit-filter: invert(83%) sepia(94%) saturate(24%) hue-rotate(297deg) brightness(113%) contrast(105%);
    filter: invert(83%) sepia(94%) saturate(24%) hue-rotate(297deg) brightness(113%) contrast(105%);
    -webkit-user-select: none;
    user-select: none;
}

.a5-box:nth-child(3):hover {
    transform: scale(1.2);
}

.a5-box:nth-child(3) img {
    -webkit-filter: invert(82%) sepia(88%) saturate(4979%) hue-rotate(347deg) brightness(96%) contrast(107%);
    filter: invert(82%) sepia(88%) saturate(4979%) hue-rotate(347deg) brightness(96%) contrast(107%);
}

.a5-box-text h1 {
    font-size: 22px;
    text-align: center;
}

.a5-box-text p {
    font-size: 16px;
    line-height: 1.6;
    text-align: center;
    margin-top: .5rem;
}

.a5-box-text p a:hover {
    color: var(--sub-color);
    text-decoration: underline;
}


/*==================================================*/
@media (max-width: 1100px) {
    .a5-box-wrapper {
        flex-direction: column;
    }

    .a5-box {
        width: 100%;
    }

    .a5-box:nth-child(3):hover {
        transform: scale(1);
    }
}

@media (max-width: 850px) {
    .a5-table td {
        font-size: 13px;
    }

    .a5-table thead td {
        font-size: 15px;
    }

    .a5-table tbody td em {
        font-size: 13px;
    }

    .a5-t-date {
        width: 70px;
    }

    .a5-t-time {
        width: 120px;
    }
}

@media (max-width: 550px) {
    .a5-title h1 {
        font-size: 22px;
    }
    
    .a5-title p {
        font-size: 15px;
    }
    
    .a5-box {
        height: 180px;
    }

    .a5-box img {
        width: 60px;
    }
    
    .a5-box-text h1 {
        font-size: 18px;
    }

    .a5-box-text p {
        font-size: 13px;
    }
}