.onair{
    margin-top: 40px;
    border-bottom: 2px solid #c1e7e7;
    padding-bottom: 110px;
}

.back_blue{
    margin-top: 65px;
    margin-bottom: 80px;
    padding-top: 80px;
    padding-bottom: 80px;
    background-color: #C1E7E7;
}

.onair_main_container{
    max-width: 1058px;
    margin: 0 auto;
}

.back_blue .onair_main_container{
    max-width: 816px;
    margin: 0 auto;
}

.onair_main_title{
    font-size: 4rem;
    font-weight: bold;
    line-height: 1.5;
    text-align: center;
}

.onair_main_broadcasts{
    margin-top: 35px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.onair_main_broadcasts_broadcast{
    width: calc(50% - 20px);
    padding-left: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid #1E1E1E;
    display: flex;
    justify-content: space-between;
}
.onair_main_broadcasts_broadcast:nth-child(n + 3){
    margin-top: 10px;
}
.onair_main_broadcasts_broadcast p{
    font-size: 1.6rem;
    line-height: 1.75;
    font-weight: normal;
    width: 50%;
}

.onair_main_sites{
    margin-top: 40px;
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
}
.onair_main_sites_site{
    width: calc(20% - 26px);
    margin-left: 32px;
    font-size: 1.6rem;
    line-height: 1.75;
    padding-bottom: 5px;
    border-bottom: 1px solid #1E1E1E;
    padding-left: 15px;
}
.onair_main_sites_site:nth-child(5n + 1){
    margin-left: 0;
}
.onair_main_sites_site:nth-child(n + 6){
    margin-top: 38px;
}
@media screen and (max-width: 768px){
    .onair{
        margin-top: 40px;
        padding-bottom: 50px;
    }
    
    .back_blue{
        margin-top: 40px;
        margin-bottom: 40px;
        padding-top: 40px;
        padding-bottom: 40px;
    }
    
    .onair_main_container{
        max-width: inherit;
        margin: 0 25px;
    }
    
    .back_blue .onair_main_container{
        max-width: inherit;
        margin: 0 25px;
    }
    
    .onair_main_title{
        font-size: 2.4rem;
    }
    
    .onair_main_broadcasts{
        margin-top: 30px;
        justify-content: flex-start;
    }
    
    .onair_main_broadcasts_broadcast{
        width: 100%;
        padding-top: 6px;
        padding-bottom: 6px;
    }
    .onair_main_broadcasts_broadcast p.name{
        width: 46%;
    }
    .onair_main_broadcasts_broadcast p.date{
        width: 54%;
    }
    .onair_main_broadcasts_broadcast:first-child{
        padding-top: 0;
    }
    .onair_main_broadcasts_broadcast:nth-child(n + 3){
        margin-top: 0;
    }
    .onair_main_broadcasts_broadcast p{
        font-size: 1.4rem;
    }
    
    .onair_main_sites{
        margin-top: 30px;
    }
    .onair_main_sites_site{
        width: calc(50% - 5px);
        margin-left: 10px;
        font-size: 1.4rem;
        padding-bottom: 6px;
        border-bottom: 1px solid #1E1E1E;
        padding-left: 15px;
    }
    .onair_main_sites_site:nth-child(5n + 1){
        margin-left: 10px;
    }
    .onair_main_sites_site:nth-child(2n + 1){
        margin-left: 0;
    }
    .onair_main_sites_site:nth-child(n + 6){
        margin-top: 0;
    }
    .onair_main_sites_site:nth-child(n + 3){
        padding-top: 6px;
    }
}