:root {
    --black-color: #202123;
    --gray-color: #dddddd;
    --dark-line-color: #bbbbbb;
    --gradation-color: rgba(0, 0, 0, 30%);
    --white-color: #ffffff;
    --background_color: #f9f9f9;
    --dark-color: #555555;
    --second-color: #717171;
    --paper-color: #FFF9EE;
    --line-color: #a3a3a3;

    --pink-color: #FF7575;
    --blue-color: #2A5EBE;
    --yellow-color: #FFDB58;
}

body {
    color: var(--black-color);
}


* {
    outline: 1px solid tomato--;
}

.fp-table {
    display: block;
}


h1 {
    position: absolute;
    top: 100px;
    left: 250px;
    font-size: 20px;
    font-weight: 500;

    margin: 0 0 90px 0;

    z-index: 111;
    color: var(--dark-color);
}


.gnb {
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
    z-index: 111;
    background: var(--black-color);

    width: 60px;
}

.gnb .lnk {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.gnb .lnk>li {
    flex: 1;
    align-items: center;
}


.gnb .lnk>li~li {
    border-top: 1px solid var(--gray-color);
}

.gnb .lnk>li {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;

    transition: all 0.5s;
}

.gnb .lnk>li.on {
    background: var(--yellow-color);
    flex: 2;
}

.gnb .lnk>li>a {
    display: block;

    writing-mode: vertical-rl;
    text-orientation: sideways;
    color: transparent;
    color: var(--black-color);
    font-size: 18px;

    font-weight: 700;
    opacity: 0;
    transition: linear 0.5s;
}

.gnb .lnk>li.on>a {
    opacity: 1;
}



/* 인트로 */
.intro {
    position: relative;
    background: var(--paper-color);

    border-bottom: 10px solid var(--black-color);
    border-top: 10px solid var(--black-color);
    border-left: 10px solid var(--black-color);
}


.intro .inner {
    position: relative;

    display: flex;
    align-items: center;

    gap: 100px;
}

.intro .intro_left {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 80px;
    border-right: 1px solid var(--black-color);
    padding: 100px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

.intro .intro_left span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--black-color);
}



.intro .intro_main_tit {
    padding: 240px 0 0 100px;
    transform: translate(-20%, 0);
    visibility: hidden;
    transition: all 0.5s;
}

.intro.on .intro_main_tit {
    transform: translate(0, 0);
    visibility: visible;
}

.intro .intro_t_t {
    display: flex;
}


.intro .intro_t_t span {
    display: block;
    font-size: 200px;
    font-family: "Roboto", sans-serif;
    font-weight: 900;

    letter-spacing: -6px;
}

.intro .intro_t_t .d {
    display: block;

}


.intro .intro_t_t .d svg {
    max-width: 160px;
    width: 100%;
}

.intro .intro_t_t .g {
    display: block;
    width: 156px;
}

.intro .intro_t_t .g svg {
    max-width: 156px;
    width: 100%;
}



.intro .intro_t_b {
    display: flex;
    margin: -50px 0 0 -12px;
}

.intro .intro_t_b span {
    font-size: 200px;
    font-family: "Roboto", sans-serif;
    font-weight: 900;

    letter-spacing: -6px;
}

.intro .intro_t_b .a {
    display: block;
    width: 200px;

    margin: -10px -15px 0 -5px;
}

.intro .intro_t_b .a svg {
    max-width: 200px;
    width: 100%;
}




.intro .intro_right {
    margin: 0 0 0 auto;
    transform: translate(-20%, 0);
    visibility: hidden;
    transition: all 0.5s 0.5s;

    text-align: right;
    padding: 130px 80px 0 0;
}


.intro.on .intro_right {

    transform: translate(0, 0);
    visibility: visible;
}

.intro .intro_right strong {
    display: block;
    margin: 0 0 20px 0;

    padding: 14px 0 6px 0;
    font-size: 18px;
    font-weight: 600;
    border-bottom: 1px solid var(--dark-line-color);
}

.intro .intro_right p {
    display: block;
    font-size: 18px;
    color: var(--dark-color);

    border-bottom: 1px solid var(--dark-line-color);
    padding: 14px 0 6px 0;
}

.intro .scroll {
    position: absolute;
    display: flex;
    flex-direction: column;
    bottom: -100px;
    right: 100px;

    gap: 10px;
}

.intro .scroll span {
    width: 0;
    height: 0;
    border-top: 20px solid var(--blue-color);
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;

    transition: all 1s;
}

.intro .scroll span:nth-child(2) {
    width: 0;
    height: 0;
    border-top: 20px solid var(--yellow-color);
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
}

.intro .scroll span:nth-child(3) {
    width: 0;
    height: 0;
    border-top: 20px solid var(--pink-color);
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
}

.intro .scroll span.on {
    border-top: 20px solid var(--paper-color);
}


@media (max-width: 768px) {

    /* 인트로 */
    .intro {
        position: relative;
        background: var(--paper-color);

        border-bottom: 10px solid var(--black-color);
        border-top: 10px solid var(--black-color);
        border-left: 10px solid var(--black-color);
    }


    .intro .inner {
        position: relative;

        display: flex;
        align-items: center;

        gap: 100px;

        /* 반응형 */
        flex-direction: column;
    }

    .intro .intro_left {
        position: absolute;
        top: 0;
        left: 0;
        bottom: 0;
        width: 80px;
        border-right: 1px solid var(--black-color);
        padding: 100px 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
    }

    .intro .intro_left span {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--black-color);
    }



    .intro .intro_main_tit {
        padding: 240px 0 0 100px;
        transform: translate(-20%, 0);
        visibility: hidden;
        transition: all 0.5s;
    }

    .intro.on .intro_main_tit {
        transform: translate(0, 0);
        visibility: visible;
    }

    .intro .intro_t_t {
        display: flex;
    }


    .intro .intro_t_t span {
        display: block;
        font-size: 200px;
        font-family: "Roboto", sans-serif;
        font-weight: 900;

        letter-spacing: -6px;
    }

    .intro .intro_t_t .d {
        display: block;

    }


    .intro .intro_t_t .d svg {
        max-width: 160px;
        width: 100%;
    }


    .intro .intro_right {
        margin: 0 0 0 auto;
        transform: translate(-20%, 0);
        visibility: hidden;
        transition: all 0.5s 0.5s;

        text-align: right;
        padding: 130px 80px 0 0;
    }


    .intro.on .intro_right {

        transform: translate(0, 0);
        visibility: visible;
    }

    .intro .intro_right strong {
        display: block;
        margin: 0 0 20px 0;

        padding: 14px 0 6px 0;
        font-size: 18px;
        font-weight: 600;
        border-bottom: 1px solid var(--dark-line-color);
    }

    .intro .intro_right p {
        display: block;
        font-size: 18px;
        color: var(--dark-color);

        border-bottom: 1px solid var(--dark-line-color);
        padding: 14px 0 6px 0;
    }

    .intro .scroll {
        position: absolute;
        display: flex;
        flex-direction: column;
        bottom: -100px;
        right: 100px;

        gap: 10px;
    }

    .intro .scroll span {
        width: 0;
        height: 0;
        border-top: 20px solid var(--blue-color);
        border-left: 12px solid transparent;
        border-right: 12px solid transparent;

        transition: all 1s;
    }

    .intro .scroll span:nth-child(2) {
        width: 0;
        height: 0;
        border-top: 20px solid var(--yellow-color);
        border-left: 12px solid transparent;
        border-right: 12px solid transparent;
    }

    .intro .scroll span:nth-child(3) {
        width: 0;
        height: 0;
        border-top: 20px solid var(--pink-color);
        border-left: 12px solid transparent;
        border-right: 12px solid transparent;
    }

    .intro .scroll span.on {
        border-top: 20px solid var(--paper-color);
    }

}













.pf {
    background: var(--paper-color);

    padding: 80px 0;
    border-bottom: 10px solid var(--black-color);
    border-top: 10px solid var(--black-color);
    border-left: 10px solid var(--black-color);

    overflow: hidden;
}

.pf .section_left img {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    height: 100%;
}

.pf .pf_wrap {
    display: flex;
    /* align-items: center; */
    padding: 0 0 0 120px;
}



/* 포트폴리오 왼쪽 제목과 설명부분 */
.pf .pf_left {
    position: relative;
    padding: 136px 0 0 0;
}

.pf .pf_left strong {
    display: inline-block;
    font-size: 30px;
    font-weight: 600;
    padding: 0 0 10px 0;

    border-bottom: 1px solid var(--dark-color);
    margin: 0 0 40px 0;
}

/* 포트폴리오 링크버튼 */
.pf .pf_left .lnk_area {
    display: flex;
    gap: 10px;
    margin: 0 0 30px 0;
}

.pf .pf_left .lnk_area>li>a {
    display: block;
    padding: 10px 0;
    width: 120px;

    text-align: center;
    font-size: 18px;
    font-weight: 600;
    box-shadow: 3px 4px 0 var(--black-color);
}

.pf .pf_left .lnk_area>li .blue {
    background: var(--blue-color);
    color: var(--white-color);
}

.pf .pf_left .lnk_area>li .pink {
    background: var(--pink-color);
    color: var(--white-color);
}

.pf .pf_left .lnk_area>li .yellow {
    background: var(--yellow-color);
}


.pf .pf_left p {
    display: inline-block;
    font-size: 18px;

    line-height: 22px;
    margin: 0 0 20px 0;
}

.pf_table {
    width: 500px;
    padding: 0;
    border-collapse: collapse;
}

.pf_table caption {
    position: absolute;
    width: 1px;
    height: 1px;
    clip: rect(0);
    margin: -1px;
    overflow: hidden;
}


.pf_table td {
    padding: 10px;
}

td,
th {
    border: 1px solid var(--black-color);
    border-collapse: collapse;
}

.pf_table .t1 {
    font-weight: 600;
}

.pf_table .colors {
    display: flex;
    gap: 8px;
}

.pf_table .colors span {
    display: block;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--black-color);
}








/* 포트폴리오 컨셉 색상_연세대학교 */
#portfolio01 .pf_table .colors span:nth-child(1) {
    background: #003777;
}

#portfolio01 .pf_table .colors span:nth-child(2) {
    background: #FDB926;
}


/* 포트폴리오 컨셉 색상_사몬타나 */
#portfolio02 .pf_table .colors span:nth-child(1) {
    background: #FEC526;
}

#portfolio02 .pf_table .colors span:nth-child(2) {
    background: #092D74;
}


/* 포트폴리오 컨셉 색상_유니세프 */
#portfolio03 .pf_table .colors span:nth-child(1) {
    background: #009EE2;
}

#portfolio03 .pf_table .colors span:nth-child(2) {
    background: #B2DEF1;
}


/* 포트폴리오 컨셉 색상_리바이스 */
#portfolio04 .pf_table .colors span:nth-child(1) {
    background: #C51230;
}

#portfolio04 .pf_table .colors span:nth-child(2) {
    display: none;
}


/* 포트폴리오 컨셉 색상_국민은행 */
#portfolio05 .pf_table .colors span:nth-child(1) {
    background: #FED03A;
}

#portfolio05 .pf_table .colors span:nth-child(2) {
    background: #3A2B21;
}



/* 포트폴리오 컨셉 색상_울산대학교도서관 */
#portfolio06 .pf_table .colors span:nth-child(1) {
    background: #009357;
}

#portfolio06 .pf_table .colors span:nth-child(2) {
    background: #424242;
}












/* 반응형 이미지 오른쪽 */
.pf .pf_right {
    padding: 0 60px;
    display: flex;
    gap: 30px;
}

.pf .pf_right .pf_mobile {
    width: 358px;
    height: 700px;


    border-radius: 16px;
    overflow: hidden;
    border: 3px solid var(--black-color);
    opacity: 0;
    visibility: hidden;
}

.pf.on .pf_right .pf_mobile {
    opacity: 1;
    visibility: visible;
    transition: 0.3s;
}

.pf .pf_right .pf_mobile img {
    width: 358px;

    object-fit: cover;
    transition: transform 8s;
}

.pf .pf_right .pf_mobile:hover img {
    transform: translate(0, calc(-100% + 700px));
}

.pf .pf_right .pf_mobile_s {
    display: flex;
    gap: 20px;
}

.pf .pf_right .pf_mobile_s figure {
    width: 300px;
    height: 600px;

    object-fit: cover;
    border-radius: 16px;
    overflow: hidden;
    border: 3px solid var(--black-color);
}


.pf .pf_right .pf_mobile_s {
    position: relative;
    display: flex;
}

.pf .pf_right .pf_mobile_l {
    display: flex;
    flex-direction: column;
}

.pf .pf_right .pf_mobile_l .img01 {
    transform: translate(0, -150%);
}

.pf .pf_right .pf_mobile_l .img02 {
    transform: translate(0, 100%);
}

.pf .pf_right .pf_mobile_s .img03 {
    transform: translate(200%, 5%);
}

.pf.on .pf_right .pf_mobile_l .img01 {
    transform: translate(0, -45%);

    transition: 0.3s 0.3s;
    visibility: visible;
}

.pf.on .pf_right .pf_mobile_l .img02 {
    transform: translate(0, -40%);

    transition: 0.3s 0.6s;
    visibility: visible;
}

.pf.on .pf_right .pf_mobile_s .img03 {
    transform: translate(0, 5%);

    transition: 0.3s 0.9s;
    visibility: visible;
}






/* 실습홈페이지 */
#information {
    padding: 190px 0;
}

#informatio .inner {}


#information .info_tit {
    margin: 0 0 40px 0;

    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;
}

#information .info_tit strong {
    display: inline-block;
    text-align: center;

    font-size: 60px;
    font-weight: 600;

    margin: 0 0 12px 0;
    padding: 0 0 4px 0;

    border-bottom: 1px solid var(--dark-color);
}


#information .info_tit p {
    display: block;
    text-align: center;

    font-size: 22px;
}


#information .tr_wrap {
    max-width: 1380px;
    width: 100%;

    margin: 0 auto 150px auto;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;

    /* margin: 0 0 80px 0; */
}

#information .tr_wrap>* {
    flex: 1;

    width: 100%;
    height: 100%;
}

#information .tr_wrap .tr a {
    display: block;
    margin: 0 0 16px 0;

    border-radius: 16px;
    overflow: hidden;
    border: 3px solid var(--black-color);
    transition: all 0.5s;

    transform: translate(-20%, 0);
}

#information .tr_wrap .tr a {
    display: block;
    margin: 0 0 16px 0;

    border-radius: 16px;
    overflow: hidden;
    border: 3px solid var(--black-color);
    transition: all 0.5s;
    visibility: hidden;
    transform: translate(0, 30%);
}

#information.on .tr_wrap .tr a {
    transform: translate(0, 0);
    visibility: visible;
}


#information .tr_wrap .tr strong {
    display: block;
    font-size: 20px;

    font-weight: 600;
    margin: 0 0 8px 0;
}


#information .tr_wrap .tr p {
    display: block;
}


#information .tr_wrap .tr .tr_tit {
    transition: all 0.5s 0.5s;
    visibility: hidden;
    transform: translate(0, 30%);
}

#information.on .tr_wrap .tr .tr_tit {
    transform: translate(0, 0);
    visibility: visible;
}


#information .info_ft p {
    display: block;
    text-align: center;

    color: var(--dark-color);
}













.to_top {
    position: fixed;
    bottom: 60px;
    right: 100px;

    cursor: pointer;
    border: none;
    background: transparent;

    transition: 0.5s;

    z-index: 999;
}

.to_top.on {
    opacity: 1;
    visibility: visible;
}

.to_top a {
    display: block;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;

    background: var(--black-color);
}

.to_top a span {
    display: block;
    text-align: center;
    font-size: 30px;

    color: var(--white-color);
}