#portfolio{
    width: 100%;
    /* background: var(--su-bg); */
    padding: 50px 0 40px 0;
}

#portfolio_header{
    width: 96%;
    padding: 30px 2% 5px 2%;
    /* color: var(--ma-bg); */
}

#portfolio_header header{
    font-size: 10em;
    margin-bottom: 10px;
}
#portfolio_header p{
    font-size: 4em;
    margin-bottom: 30px;
}

#portfolio_PC{
    width: 100%;
    height: 500px;
    position: relative;
    transition: 1.5s;
    transform: translate(0, 400px);
    opacity: 0;
}

#portfolio_PC_track_right{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
}
#portfolio_PC_track_left{
    position: absolute;
    height: 100%;
    top: 0px;
    left: -75vw;
    display: flex;
    align-items: center;
    transition: 0.5s;
}
.portfolio_PC_item{
    width: 46vw;
    height: 350px;
    margin: 0 2vw;
    flex-shrink: 0;
    filter: blur(1px);
    transition: 0.5s;
    cursor: pointer;
    border: 1px var(--border-color) solid;
    border-radius: 10px;
    overflow: hidden;
}
.portfolio_PC_item img{
    object-position: top left;
}
.portfolio_PC_current{
    height: 400px;
    filter: blur(0px);
}
#portfolio_PC_move_left{
    position: absolute;
    top: 40%; left: 0%;
    width: 100px; height: 100px;
    background-color: #ffffffdd;
    border: 1px #000 solid;
    color: #000;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 5em;
    cursor: pointer;
}
#portfolio_PC_move_right{
    position: absolute;
    top: 40%; right: 0%;
    width: 100px; height: 100px;
    background-color: #ffffffdd;
    border: 1px #000 solid;
    color: #000;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 5em;
    cursor: pointer;
}



#portfolio_more{
    width: 100%;
    display: flex;
    justify-content: center;
}


















#portfolio_MOBILE{
    position: relative;
    width: 100%;
    height: 300px;
    justify-content: space-around;
    align-items: center;
    margin: 50px 0 20px 0;
    display: none;
}

#portfolio_MOBILE_move_left{
    flex-shrink: 0;
    width: 40px;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 4em;
    color: #000;
}
#portfolio_MOBILE_move_right{
    flex-shrink: 0;
    width: 40px;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 4em;
    color: #000;
}
#portfolio_MOBILE_track{  
    position: relative;
    width: calc(100vw - 80px);
    height: 100%;
    border-radius: 1em;
    overflow: hidden;
}

#portfolio_MOBILE_track_right{
    position: absolute;
    width: calc(100vw - 80px);
    height: 100%;
    overflow: hidden;
    top: 0;
    left: 0;
}
#portfolio_MOBILE_track_left{
    position: absolute;
    width: calc(100vw - 80px);
    height: 100%;
    top: 0;
    left: 0;
    display: flex;
    transition: 0.5s;
}
.portfolio_MOBILE_item{
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}
.portfolio_MOBILE_item img{
    height: 100%;
    object-position: top left;
}

.portfolio_MOBILE_item header{
    width: 100%;
    margin-top: 10px;
    font-size: 2.4em;
    color: #ddd;
}
.portfolio_MOBILE_item p{
    width: 100%;
    margin-top: 5px;
    font-size: 2.5em;
    color: #bbb;
}

@media (max-width: 800px) {
    #portfolio{
        /* background: var(--su-bg); */
        padding-bottom: 0px;
    }
    #portfolio_header{
        width: calc(100% - 80px);
        padding: 0px 40px 0px 40px;
        /* color: var(--ma-bg); */
    }
    #portfolio_header header{
        font-size: 10em;
    }
    #portfolio_header p{
        font-size: 3.5em;
    }

    #portfolio_PC{
        display: none;
    }
    #portfolio_MOBILE{
        display: flex;
        /* height: 500px; */
    }
}


@media (max-width: 550px) {
    #portfolio_MOBILE{
        height: 230px;
    }
}