#footer{
    background-color: #1f3914;
    padding: 85px 0 65px;
}
.f1{
    padding-bottom: 55px;
}
.f1_left{
    gap: 45px 0;
}
.f_menu{
    gap: 0 4vw;
}
.f_menu li,
.f_sub_menu{
    gap: 20px 0;
}
.f2{
    padding-top: 20px;
    border-top: 1px solid #ffffff;
    box-sizing: border-box;
}

br.m_br{
    display: none;
}
br.m_none{
    display: block;
}
br.t_none{
    display: block;
}

/* mobile */
@media screen and (max-width: 767px){ 
    br.m_br{
        display: block; 
    }
    br.m_none{
        display: none;
    }

    #footer{
        padding: 50px 0;
    }
    .f1{
        flex-direction: column;
        gap: 30px 0;
        padding-bottom: 30px;
    }
    .f1_left {
        gap: 25px 0;
    }
    .f1_left>a{
        width: 60px;
    }
    .f1_left>a img{
        width: 100%;
    }
    .f_menu{
        flex-wrap: wrap;
        gap: 30px 0;
        justify-content: space-between;
    }
    .f_menu>li{
        width: 48%;
    }
    .f_menu li, 
    .f_sub_menu{
        gap: 10px 0;
    }
}

/* tablet */
@media screen and (min-width: 768px) and (max-width: 1024px){
    br.t_none{
        display: none;
    }

    #footer{
        padding: 60px 0;
    }
    .f1{
        flex-direction: column;
        gap: 35px 0;
        padding-bottom: 35px;
    }
    .f1_left {
        gap: 30px 0;
    }
    .f_menu{
        flex-wrap: wrap;
        gap: 35px 0;
        justify-content: space-between;
    }
    .f_menu>li{
        width: 48%;
    }
    .f_menu li, 
    .f_sub_menu{
        gap: 15px 0;
    }
}