#header {
    z-index: 999;
    position: fixed;
}

#header .logo h1 {
    z-index: 999;
    position: fixed;
    top: 40px;
    left: 40px;
}

#header .m_menu_btn {
    z-index: 999;
    position: fixed;
    top: 40px;
    right: 40px;
}

#header .m_menu_btn>button {
    display: block;
    font-size: 16px;
    line-height: 16px;
}

#header #gnb {
    position: fixed;
    width: 100%;
    height: 100vh;

    top: 50%;
    left: 50%;
    bottom: unset;
    transform: translate(-50%, -50%);
    transition: var(--transition-1s);

    opacity: 0;
    visibility: hidden;

    backdrop-filter: blur(24px);
    background: rgba(255, 255, 255, 0.5);
}

#header #gnb.on {
    transition: var(--transition-1s);
    opacity: 1;
    visibility: visible;
}

#header #gnb>ul {
    display: flex;
    flex-direction: column;
    justify-content: center;

    width: max-content;
    height: 100%;

    margin: 0 auto;
}

#header #gnb>ul>li {
    width: 100%;
}

#header #gnb>ul>li>a {
    position: relative;
    display: block;
    width: 100%;
    font-size: 64px;
    line-height: 96px;
    font-weight: 700;
    font-family: 'Unbounded';
    text-transform: uppercase;
    text-align: left;
    transition: var(--transition-1s);
    color: rgba(0, 0, 0, 0.2);
}

#header.on .logo h1 {
    color: #fff;
}

#header.on .m_menu_btn>button {
    color: #fff;
}

#header.on #gnb>ul>li>a {
    color: rgba(255, 255, 255, 0.2);
}



@media(min-width: 481px) {
    #header #gnb>ul>li>a:hover {
        color: var(--black-color);
        transition: var(--transition-1s);
    }

    #header.on #gnb>ul>li>a:hover {
        color: #fff;
        transition: var(--transition-1s);
    }
}

@media(max-width: 1400px) {
    #header #gnb>ul>li>a {
        font-size: 56px;
        line-height: 80px;
    }
}

@media(max-width: 768px) {
    #header .logo h1 {
        top: 16px;
        left: 16px;
    }

    #header .m_menu_btn {
        top: 16px;
        right: 16px;
    }

    #header #gnb>ul {
        padding: 0 16px;
    }

    #header #gnb>ul>li>a {
        font-size: 40px;
        line-height: 64px;
    }
}

@media(max-width: 480px) {
    #header .logo h1 {
        font-size: 14px;
        line-height: 14px;
    }

    #header .m_menu_btn>button {
        font-size: 14px;
        line-height: 14px;
    }

    #header #gnb {
        padding: 0;
        top: unset;
        bottom: -100%;
        left: 0;
        transform: translate(0, 0);
        width: 100%;
        height: auto;

        border-radius: 24px 24px 0 0;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
        background: rgba(255, 255, 255, 0.1);
    }

    #header #gnb.on {
        bottom: 0;
    }

    #header #gnb>ul {
        padding: 24px 0;
        width: 100%;
    }

    #header #gnb>ul>li>a {
        padding: 0 16px;
        font-size: 14px;
        font-weight: 100;
        line-height: 48px;
        color: var(--black-color);
    }

    #header.on #gnb>ul>li>a {
        color: #fff;
    }

    #header #gnb>ul>li>a::before {
        content: '';
        position: absolute;
        bottom: 0;
        left: 16px;
        width: calc(100% - 32px);
        height: 1px;
        background: rgba(0, 0, 0, 0.05);
    }

    #header #gnb>ul>li>a::after {
        content: '';
        position: absolute;
        top: 50%;
        right: 16px;
        width: 8px;
        height: 12px;
        transform: translate(0, -50%);
        filter: invert(1);
        opacity: 0.5;
        background: url(../images/arrow_icon.svg)no-repeat center center;
    }

    #header.on #gnb>ul>li>a::after {
        filter: invert(0);
    }
}


/* 인트로 시작 */

#project_sec .itm_intro .slg {
    z-index: 99;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100svh;
}

#project_sec .itm_intro .tit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#project_sec .itm_intro .tit h2 {
    text-transform: unset;
}

#project_sec .itm_intro .tit h2 span {
    position: relative;
    display: inline-block;
    padding: 0 32px;

    font-size: 140px;
    line-height: 140px;

    white-space: nowrap;


    border-top: 1px solid rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

#project_sec .itm_intro .tit h2 span:first-child {
    margin: 0 0 1.6rem 0;
}

#project_sec .itm_intro .tit h2 span::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 32px;
    transform: translate(0, -50%);
    width: 1px;
    height: calc(100% + 56px);
    background: rgba(0, 0, 0, 0.1);
}

#project_sec .itm_intro .tit h2 span::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 32px;
    transform: translate(0, -50%);
    width: 1px;
    height: calc(100% + 56px);
    background: rgba(0, 0, 0, 0.1);
}


#project_sec .itm_intro .tit p {
    font-size: 16px;
    font-weight: 300;
    line-height: 16px;
    text-align: center;
}

/* 큐브 */
#project_sec .itm_intro .cube_wrap {
    position: absolute;
    width: 100%;
    height: 100vh;
    height: 100svh;
}

#project_sec .itm_intro .cube_wrap .cube {
    z-index: 999;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;

    margin: auto;
    width: var(--cube-size);
    height: var(--cube-size);
    transform-style: preserve-3d;
}

#project_sec .itm_intro .cube_wrap .cube.animate-cube {
    animation: cube 25s cubic-bezier(0.43, -0.09, 0.69, 1.11) infinite;
}

@keyframes cube {
    100% {
        transform: rotateY(360deg) rotateX(720deg) rotateZ(1080deg);
    }
}

#project_sec .itm_intro .cube_wrap .cube .face {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;

    border: 1px solid rgba(0, 0, 0, 0.05);
}

#project_sec .itm_intro .cube_wrap .cube.animate-cube .face {
    animation: cube_blur 15s infinite;
}

@keyframes cube_blur {
    0% {
        backdrop-filter: blur(0.05px);
        background: transparent;
    }

    15% {
        backdrop-filter: blur(0.05px);
        background: transparent;
    }

    65% {
        backdrop-filter: blur(8px);
    }

    90% {
        backdrop-filter: blur(2px);
        background: transparent;
    }

    100% {
        backdrop-filter: blur(0.05px);
        background: transparent;
    }
}

#project_sec .itm_intro .cube_wrap .cube .front {
    transform: translateZ(calc(var(--cube-size) / 2));
}

#project_sec .itm_intro .cube_wrap .cube .back {
    transform: translateZ(calc(var(--cube-size) / -2));
}

#project_sec .itm_intro .cube_wrap .cube .left {
    transform: translateX(calc(var(--cube-size) / -2)) rotateY(90deg);
}

#project_sec .itm_intro .cube_wrap .cube .right {
    transform: translateX(calc(var(--cube-size) / 2)) rotateY(90deg);
}

#project_sec .itm_intro .cube_wrap .cube .top {
    transform: translateY(calc(var(--cube-size) / -2)) rotateX(90deg);
}

#project_sec .itm_intro .cube_wrap .cube .bottom {
    transform: translateY(calc(var(--cube-size) / 2)) rotateX(90deg);
}


/* 큐브 */

.scroll_down {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100svh;
}

.scroll_down p {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translate(-50%, 0);
    text-transform: uppercase;
    font-size: 12px;
    line-height: 12px;
    font-weight: 400;
    white-space: nowrap;
}

@media(max-width: 1024px) {
    #project_sec .itm_intro .tit h2 span {
        font-size: 15vw;
        line-height: 1;
        padding: 0;
        border: none;
    }

    #project_sec .itm_intro .tit h2 span::before,
    #project_sec .itm_intro .tit h2 span::after {
        display: none;
    }
}

@media(max-width: 768px) {
    .scroll_down p {
        bottom: 16px;
    }

    #project_sec .itm_intro .cube_wrap {
        background: url(../images/itm_bg.png)no-repeat center center/cover;
    }
}

/* 인트로 끝 */


/* 워크리스트 시작 */
#work_list {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

#work_list .list_wrap {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 40px;
    width: 100%;
    height: 100%;
}

#work_list .work_list {
    width: 100%;
}

#work_list .work_list>ul {
    display: flex;
    flex-direction: column;
}

#work_list .work_list>ul>li {
    width: 100%;
}

#work_list .work_list>ul>li>a {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 16px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

#work_list .work_list>ul>li:first-child>a {
    padding: 0 0 16px 0;
}

#work_list .work_list>ul>li:last-child>a {
    padding: 16px 0 0 0;
}


#work_list .work_list>ul>li:first-child>a {
    border-top: none;
}

#work_list .work_list>ul>li>a .num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    font-size: 20px;
    font-weight: 900;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
}

#work_list .work_list>ul>li>a .txt_box {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#work_list .work_list>ul>li>a .txt_box .subject {
    font-size: 24px;
    line-height: 24px;
    font-weight: 700;
}

#work_list .work_list>ul>li>a .txt_box .desc {
    display: flex;
    align-items: center;
    gap: 30px;
}

#work_list .work_list>ul>li>a .txt_box .desc>li {
    position: relative;
    font-size: 16px;
    line-height: 16px;
    font-weight: 300;
    opacity: 0.8;
}

#work_list .work_list>ul>li>a .txt_box .desc>li~li::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -15px;
    transform: translate(0, -50%);
    width: 1px;
    height: 14px;
    background: rgba(0, 0, 0, 0.1);
}

#work_list .work_list>ul>li>a .more_btn {
    margin: 0 0 0 auto;
}

#work_list .work_list>ul>li>a .more_btn>button {
    text-transform: uppercase;
    font-size: 16px;
    font-weight: 100;
}

@media (max-width:600px) {
    #work_list .work_list>ul>li>a .more_btn>button {
        display: none;
    }
}

@media (max-width: 480px) {
    #work_list .work_list>ul>li>a {
        gap: 16px;
    }

    #work_list .work_list>ul>li>a .num {
        width: 64px;
        height: 64px;
    }

    #work_list .work_list>ul>li>a .txt_box .subject {
        font-size: 20px;
        line-height: 20px;
    }

    #work_list .work_list>ul>li>a .txt_box .desc {
        gap: 16px;
    }

    #work_list .work_list>ul>li>a .txt_box .desc>li {
        font-size: 12px;
        line-height: 12px;
    }

    #work_list .work_list>ul>li>a .txt_box .desc>li~li::before {
        left: -8px;
        height: 10px;
    }


}

@media(max-width: 380px) {
    #work_list .work_list>ul>li>a .txt_box {
        gap: 8px;
    }

    #work_list .work_list>ul>li>a .num {
        width: 48px;
        height: 48px;
        font-size: 14px;
    }
}

/* 워크리스트 끝 */

/* 프로필 시작 */
#profile {}

#profile .tit h2 {
    margin: 0 auto;
}

#profile .inner .itm_wrap {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
}

#profile .inner .itm_wrap .itm {
    position: relative;
    padding: 80px 40px;
    height: 100%;
}

#profile .inner .itm_wrap .itm~.itm::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    transform: translate(0, -50%);
    width: 1px;
    height: 160px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.1);
}

#profile .inner .itm_wrap .itm:last-child {
    border-right: none;
}

#profile .inner .itm_wrap .itm strong {
    display: block;
    margin: 0 0 24px 0;
    font-weight: 900;
    font-size: 32px;
    line-height: 32px;
    white-space: nowrap;
    font-family: 'Unbounded';
}

#profile .inner .itm_wrap .itm:first-child strong {
    margin: 0;
}


#profile .inner .itm_wrap .itm>ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#profile .inner .itm_wrap .itm ul>li {
    position: relative;
    font-size: 16px;
    line-height: 20px;
    font-weight: 300;
    opacity: 0.8;
}

#profile .inner .itm_wrap .itm>ul>ul {
    display: flex;
}

#profile .inner .itm_wrap .itm>ul>ul>li:first-child {
    min-width: 64px;
    opacity: 1;
    font-weight: 700;
}

#profile .inner .copy_wrap {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

#profile .inner .copy_wrap p {
    text-align: center;
    font-size: 16px;
    line-height: 16px;
    font-weight: 300;
}

#profile .inner .copy_wrap .copy {
    font-size: 14px;
    line-height: 14px;
    color: #444;
    opacity: 0.6;
}


@media(max-width: 1570px) {
    #profile .inner .itm_wrap .itm strong {
        font-size: 24px;
        line-height: 24px;
    }
}

@media(max-width: 1200px) {
    #profile .inner .tit {
        margin: 0 0 40px 0;
    }

    #profile .inner .itm_wrap {
        margin: 0 auto 24px auto;
        width: max-content;
        grid-template-columns: repeat(1, 1fr);
        gap: 0;
    }

    #profile .inner .itm_wrap .itm {
        padding: 24px 0;
        border-bottom: 1px solid transparent;
    }

    #profile .inner .itm_wrap .itm:first-child {
        padding: 0 0 24px 0;
    }

    #profile .inner .itm_wrap .itm {
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }

    #profile .inner .itm_wrap .itm strong {
        margin: 0 0 16px 0;
        font-size: 32px;
        line-height: 32px;
    }

    #profile .inner .itm_wrap .itm~.itm::before {
        display: none;
    }
}

@media(max-width: 480px) {
    #profile .inner {
        align-items: unset;
    }

    #profile .inner .itm_wrap {
        width: 100%;
    }

    #profile .inner .itm_wrap .itm {
        padding: 16px 0;
    }

    #profile .inner .itm_wrap .itm:first-child {
        padding: 0 0 16px 0;
    }

    #profile .inner .itm_wrap .itm strong {
        font-size: 24px;
        line-height: 24px;
        margin: 0 0 16px 0;
    }

    #profile .inner .itm_wrap .itm>ul {
        gap: 8px;
    }

    #profile .inner .itm_wrap .itm ul>li {
        font-size: 14px;
        line-height: 18px;
    }

    #profile .inner .copy_wrap p {
        text-align: left;
        font-size: 14px;
        line-height: 20px;
    }

    #profile .inner .copy_wrap .copy {
        font-size: 12px;
        line-height: 16px;
    }
}

/* 프로필 끝 */


/* 커버 애니메이션 시작  */

#cover_ani {
    z-index: 999;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100svh;
    background: #000;
    overflow: hidden;

    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.cover_start_bg {
    position: absolute;
    inset: 0 0 0 0;
    background: var(--white-color);
}

#cover_ani .txt_box {
    position: absolute;
    /* z-index: 9; */
    width: 100%;
    height: 100%;

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

#cover_ani .txt_box p {
    width: 100%;
    text-align: center;
    overflow: hidden;
}

#cover_ani .txt_box p span {
    display: inline-block;
    font-size: 56px;
    line-height: 64px;
    font-weight: 900;
    text-align: center;
    text-transform: uppercase;
    font-style: italic;
    font-family: 'Unbounded';
    opacity: 0;
    white-space: nowrap;
    color: var(--white-color);
}

#cover_ani .txt_box p span .point {
    color: var(--pri-color);
}

#cover_ani .cube {}

#cover_ani .cube {
    z-index: 999;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;

    margin: auto;
    width: var(--cube-size);
    height: var(--cube-size);
    transform: rotate(45deg);
}

#cover_ani .cube::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 0%;
    height: 1px;
    background: var(--pri-color);
    transition: var(--transition-1s);
    opacity: 50%;
}

#cover_ani .cube.animate-cube::before {
    width: 100%;
}

#cover_ani .cube::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 0%;
    background: var(--pri-color);
    transition: var(--transition-1s);
    opacity: 50%;
}

#cover_ani .cube.animate-cube::after {
    height: 100%;
}

#cover_ani .cube .cube_line::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 1px;
    background: var(--pri-color);
    transition: var(--transition-1s);
    opacity: 50%;
}

#cover_ani .cube.animate-cube .cube_line::before {
    width: 100%;
}

#cover_ani .cube .cube_line::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 1px;
    height: 0%;
    background: var(--pri-color);
    transition: var(--transition-1s);
    opacity: 50%;
}

#cover_ani .cube.animate-cube .cube_line::after {
    height: 100%;
}

@media(max-width: 1024px) {
    #cover_ani .txt_box p span {
        font-size: 6vw;
        line-height: 1.2;
    }
}

/* 커버 애니메이션 끝  */