/* layout */
body {background-color: #9aa4a9;}
#contents {}
#section1 {
    background: url("../img/sec1-bg.png") no-repeat;
    background-size: cover;
    background-position:  bottom;
    padding-bottom: 18vw;
}
#section2 {
    padding-bottom: 18vw;
    background: linear-gradient(0deg, #a6afb3,);
}
/* #section3 {padding-bottom: 18vw; position: relative;} */
/* #section4 {padding-bottom: 25vw;} */
#section5 {}
#section6 {position: relative; padding-bottom: 20vw; margin-bottom: 5vw;}
#section7 {
    margin-bottom: 20vw;
    position: relative;
    background: url(../img/sec7-bgi.jpg);
    background-size: cover;
}
#section8 {
    background: linear-gradient(0deg,
        rgba(0,0,0,1),
        rgba(146,95,85,0.9),    
        rgba(223,144,97,0.8),
        rgba(224,159,106,0.8) 50%,
        rgba(212,179,138,0.3),
        rgba(156,164,168,0.5),
        rgba(154,164,169,1)
    );
}
/* 로딩 */
.progress {
    position: fixed; left: 0; top: 0; z-index: 99999;
    width: 100%; height: 100vh; background: #16171b;
}
.progress-text {
    position: absolute; left: 50%; top: 55%;
    transform: translate(-50%, -55%);
    font-size: 20px;
    font-family:  'Roboto Mono';
    color: rgba(255,255,255,.5);
}
.loading-pulse {
    position: absolute; left: 50%; top: 49%;
    transform: translate(-50%, -49%);
    position: relative;
    width: 6px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    animation: pulse 750ms infinite;
    animation-delay: 250ms;
  }
.loading-pulse:before, .loading-pulse:after {
    content: '';
    position: absolute;
    display: block;
    height: 32px;
    width: 6px;
    background: rgba(255, 255, 255, 0.2);
    top: 50%;
    transform: translateY(-50%);
    animation: pulse 750ms infinite;
    }
.loading-pulse:before {left: -14px;}
.loading-pulse:after {left: 14px; animation-delay: 500ms;}
@keyframes pulse {
    50% {
        background: white;
    }
}

/*ie*/
.ie {
    position: fixed; left: 0; top: 0; z-index: 99999;
    width: 100%; height: 100vh; background: #16171b;
    display: none;
}
.ie-alert {
    position: absolute; left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    font-size: 2vw;
    color: rgba(255,255,255,1);
    text-align: center;
}
.ie-alert span {
    text-shadow: 
        7px 7px 5px rgba(0, 0, 0, 0.5),
        0 0 20px #ffffff,
        0 0 100px #1e54c9,
        0 0 200px #194ab2,
        0 0 500px #0a338b;
}

/* container */
.container {width: 1400px; margin: 0 auto; max-width: 1920px;}
.row {padding: 0 0}

/* nav */
#nav {
    position: fixed; left: 0; top: 0; width: 50px; height: 100vh; z-index: 90000;
    border-right: 1px solid #fff;
    display: flex; flex-direction: column; justify-content: space-between;
}
#nav h1 {
    font-family: 'Roboto Mono'; writing-mode: vertical-lr; transform: rotate(180deg) translateX(17px); text-transform: uppercase;
    font-weight: bold;
}
#nav h1 a {color: #fff; }
#nav .name {
    color: #fff; font-family: 'Roboto Mono'; font-size: 12px;
    text-align: center;
    padding-bottom: 10px;
}

/* music */
.wrapper {transform: translate(10px, 10px);}
.player-controls {
    color: #FFF;
    cursor: pointer;
    display: block;
    font-size: 40px;
    height: 30px;
    position: relative;
    text-decoration: none;
    width: 30px;
    transition: transform 0.25s ease-in-out;
}
.player-controls .play,
.player-controls .pause {
display: block;
background: url(../img/play.svg) no-repeat 0 0;
background-size: 100% 100%;
height: 30px;
position: absolute;
width: 30px;
transition: all 0.25s linear;
z-index: 5;
}
.player-controls .play::before,
.player-controls .pause::before,
.player-controls .play::after,
.player-controls .pause::after {
border-radius: 50%;
content: "";
display: block;
position: absolute;
height: 30px;
right: 0;
top: 0;
width: 30px;
z-index: 0;
}
.player-controls .play::before {
box-shadow: 0 0 0 rgba(255, 255, 255, 0);
transition: all 0.25s linear;
}
.player-controls .pause {
background-image: url(../img/pause.svg);
opacity: 0;
right: 0;
top: 0;
}
.player-controls.playing .play {
opacity: 0;
}
.player-controls.playing .pause {
opacity: 1;
}
.player-controls:hover {
transform: scale(1.1);
}
.player-controls:hover .play::before {
box-shadow: 0 0 12px rgba(255, 238, 125, 0.8);
}


/* scroll */
.scroll {
    position: fixed; top: 0px; left: 0px; z-index: 1000;
    background: rgba(255,255,255,0.4);
    width: 50px; height: 50px; text-align: center;
    line-height: 50px; color: #fff;
    font-family: 'S-CoreDream-2ExtraLight'; font-weight: bold;
    font-size: 12px;
    display: none;
}
.scroll.dd {top: 50px}


/* sec1 */
.sec1 {
    display: flex; flex-direction: column; align-items: center;  justify-content: center; 
    color: #fff; text-align: center; height: 100vh;
    font-family: 'DM Serif Display', serif;
}
.sec1 .tit {font-size: 7.5vw; line-height: 8.5vw; padding-bottom: 3vw; }
.sec1 .desc {font-size: 18px; font-family: 'Roboto Mono'; font-weight: 400; letter-spacing: 1px;}
.sec1 .menu {width: 100%;}
.sec1 .menu ul {position: absolute; left: 110px; top: 30px; color: #fff;}
.sec1 .menu li {display: inline; }
.sec1 .menu li a {display: inline-block; font-size: 14px; color: #fff; font-family: 'Roboto Mono'; margin-right: 20px; border-bottom: 1px solid #fff;}
.sec1 .menu .mail {position: absolute; font-size: 14px; right: 90px; top: 30px; color: #fff; font-family: 'Roboto Mono';}


/* sec1 - ainmation */
.sec1 .menu {opacity: 0; transition: all 0.4s 1s ease-in-out;}
.sec1 .tit  {opacity: 0; transform: translateY(20px); transition: all 0.4s 0.5s ease-in-out;}
.sec1 .desc {opacity: 0; transform: translateY(20px); transition: all 0.4s 0.1s ease-in-out;}

#section1.show .sec1 .menu {opacity: 1; }
#section1.show .sec1 .tit {opacity: 1; transform: translateY(0);}
#section1.show .sec1 .desc {opacity: 1; transform: translateY(0);}


/* sec2 */
.sec2 {position: relative; padding: 5vw;}
.sec2 .cont {
    font-family: 'DM Serif Display', serif;
    font-size: 6.8vw; line-height: 7.4vw;}
.sec2 .cont span {display: block;}

.sec2 .s2-cloudM {
    width: 20vw; position: absolute; left: 50%; top: 50%;
    transform: translate(-50%, -50%); z-index: 10;}
.sec2 .s2-moon {width: 20vw; position: absolute; left: 0; top: 0; z-index: -1;}
.sec2 .s2-cloud {width: 50vw; position: absolute; right: 0; top: -20%;}


/* sec2 - ainmation */
.sec2 .cont span:nth-child(1){opacity: 0; transform: translateY(20px); transition: all 0.4s 1.6s ease-in-out;}
.sec2 .cont span:nth-child(2){opacity: 0; transform: translateY(20px); transition: all 0.4s 1.3s ease-in-out;}
.sec2 .cont span:nth-child(3){opacity: 0; transform: translateY(20px); transition: all 0.4s 1.0s ease-in-out;}
.sec2 .cont span:nth-child(4){opacity: 0; transform: translateY(20px); transition: all 0.4s 0.7s ease-in-out;}
.sec2 .cont span:nth-child(5){opacity: 0; transform: translateY(20px); transition: all 0.4s 0.4s ease-in-out;}
.sec2 .cont span:nth-child(6){opacity: 0; transform: translateY(20px); transition: all 0.4s 0.1s ease-in-out;}

#section2.show .sec2 .cont span:nth-child(1){opacity: 1; transform: translateY(0);}
#section2.show .sec2 .cont span:nth-child(2){opacity: 1; transform: translateY(0);}
#section2.show .sec2 .cont span:nth-child(3){opacity: 1; transform: translateY(0);}
#section2.show .sec2 .cont span:nth-child(4){opacity: 1; transform: translateY(0);}
#section2.show .sec2 .cont span:nth-child(5){opacity: 1; transform: translateY(0);}
#section2.show .sec2 .cont span:nth-child(6){opacity: 1; transform: translateY(0);} 

.ani1 {animation: ani1 40s linear infinite alternate;}
@keyframes ani1 {
    0% {left: 50%;}
    100% {left: 30%;}
}

/* sec3 */
.sec3 {display: flex; justify-content: space-between; flex-wrap: wrap;}
h2.s3-title {
    font-family: 'DM Serif Display', serif; 
    font-size: 6vw; line-height: 0.8;
    text-align: center; margin-bottom: 11vw;
}
.sec3 > div { 
    flex: 0 26%;
    position: relative; margin-bottom: 7%;
    box-sizing: border-box;
}
.sec3 > div .ani {display: flex; flex-direction: column;}
.sec3 > div .ani .num {
    font-family: 'Roboto Mono';
    font-size: 14px; letter-spacing: 2px; text-transform: uppercase;
    padding: 1em 0 3em 2em;
}
.sec3 > div .ani .num strong {position: relative; padding-left: 20px; font-weight: normal;}
.sec3 > div .ani .num strong::before {
    content: '';
    width: 1px; height: 50px; background: #000;
    position: absolute; left: 0; top: -10px;
    transform: rotate(30deg);
}
.sec3 > div .ani .img {width: 60%; z-index: 1; padding-left: 2vw;}
.sec3 > div .ani .bg {width: 100%; position: absolute; top: 25%;}
.sec3 > div .ani .tit {
    font-family: 'Roboto Mono';
    font-size: 2vw; font-weight: 600; line-height: 1.2em;
    padding: 5% 0 0 2vw;  z-index: 1; text-transform: capitalize;
}
.sec3 > div .ani a {
    z-index: 1; padding-left: 2vw;
    font-family: 'Roboto Mono'; font-size: 16px; 
    text-transform: uppercase; text-decoration: underline;
    padding-top: 12%;
}
.sec3 > div .ani a:hover {color: #000; font-weight: 700;}
.s3-cloud1 {width: 100%; position: absolute; left: 0; top: -10%; z-index: -1;}
.s3-cloud2 {width: 100%; position: absolute; right: 0; top: 18%; z-index: -1;}
.s3-cloud3 {width: 80%; position: absolute; left: 0; bottom: 16%; opacity: 0.8; z-index: -1;}


/* sec3 - ainmation */
.sec3 > div:nth-of-type(1) {opacity: 0; transform: translateY(20px); transition: all 0.4s 2.8s ease-in-out;}
.sec3 > div:nth-of-type(2) {opacity: 0; transform: translateY(20px); transition: all 0.4s 3.2s ease-in-out;}
.sec3 > div:nth-of-type(3) {opacity: 0; transform: translateY(20px); transition: all 0.4s 3.4s ease-in-out;}
.sec3 > div:nth-of-type(4) {opacity: 0; transform: translateY(20px); transition: all 0.4s 1.6s ease-in-out;}
.sec3 > div:nth-of-type(5) {opacity: 0; transform: translateY(20px); transition: all 0.4s 2.0s ease-in-out;}
.sec3 > div:nth-of-type(6) {opacity: 0; transform: translateY(20px); transition: all 0.4s 2.4s ease-in-out;}
.sec3 > div:nth-of-type(7) {opacity: 0; transform: translateY(20px); transition: all 0.4s 0.4s ease-in-out;}
.sec3 > div:nth-of-type(8) {opacity: 0; transform: translateY(20px); transition: all 0.4s 0.8s ease-in-out;}
.sec3 > div:nth-of-type(9) {opacity: 0; transform: translateY(20px); transition: all 0.4s 1.2s ease-in-out;}
h2.s3-title {opacity: 0; transform: translateY(20px); transition: all 0.4s 3.6s ease-in-out;}
#section3.show .sec3 > div:nth-of-type(1) {opacity: 1; transform: translateY(0);}
#section3.show .sec3 > div:nth-of-type(2) {opacity: 1; transform: translateY(0);}
#section3.show .sec3 > div:nth-of-type(3) {opacity: 1; transform: translateY(0);}
#section3.show .sec3 > div:nth-of-type(4) {opacity: 1; transform: translateY(0);}
#section3.show .sec3 > div:nth-of-type(5) {opacity: 1; transform: translateY(0);}
#section3.show .sec3 > div:nth-of-type(6) {opacity: 1; transform: translateY(0);}
#section3.show .sec3 > div:nth-of-type(7) {opacity: 1; transform: translateY(0);}
#section3.show .sec3 > div:nth-of-type(8) {opacity: 1; transform: translateY(0);}
#section3.show .sec3 > div:nth-of-type(9) {opacity: 1; transform: translateY(0);}
#section3.show h2.s3-title {opacity: 1; transform: translateY(0);}
.s3ani {animation: s3ani 20s linear infinite alternate;}
@keyframes s3ani {
    100% {left: 10%;}
}


/* sec4 */
.sec4 {position: relative;}
.sec4 h2 { 
    font-family: 'DM Serif Display', serif; 
    font-size: 6vw; line-height: 0.8;
    text-align: center; margin-bottom: 4vw;
}

#slide-wrap {width: 50%; margin: 0 auto; position: relative; 
}
#slide-list {
    height: 45vw;
    margin-top: 2vw;
    position: relative;
}
#slide-list li {
    position: absolute; left: 50%; top: 0;
    width: 38%; 
    cursor: pointer;
    transition: transform 1.3s cubic-bezier(0.19, 1, 0.22, 1);
    z-index: 1;
}
#slide-list li::after {
    content: '';
    position: absolute; left: 50%;
    transform: translateX(-50%); transition: .25s;
    width: 100%; height: 100%;
    background: url(../img/shadow.png) no-repeat;
    background-size: 100%;
}
#slide-list li:hover::after {width: 90%;}
#slide-list li.item-1 {
    z-index: 2;
    transform: translateX(-50%) scale(1) translate3d(0, 0, 0);
}
#slide-list li.item-2 {
    z-index: 1;
    transform: translateX(-50%) scale(0.7) translate3d(240%, -10%, 0);
}
#slide-list li.item-3 {
    z-index: -1;
    transform: translateX(-50%) scale(0.5) translate3d(180%, -31%, 0);
}
#slide-list li.item-4 {
    z-index: -1;
    transform: translateX(-50%) scale(0.5) translate3d(-180%, -31%, 0);
}
#slide-list li.item-5 {
    z-index: 1;
    transform: translateX(-50%) scale(0.7) translate3d(-240%, -10%, 0);
}
#slide-list li img {margin-top: 50%; transition: transform .25s ease-in-out;}
#slide-list li:hover img {transform: translateY(-15px);}
#slide-nav .navbnt {
    position: absolute; top: 45%;
    width: 30px; height: 30px;
    border-top: 2px solid #000;
    border-right: 2px solid #000;
    background-color: transparent;
    cursor: pointer; z-index: 3;
}
#slide-nav .navbnt.prev {left: -35%; transform: rotate(-135deg);}
#slide-nav .navbnt.next {right: -35%; transform: rotate(45deg);}
#slide-dot {position: absolute; left: 0; top: 10%; width: 100%; z-index: 2;}
#slide-dot ul {display: flex; justify-content: center;}
#slide-dot ul li {
    display: inline-block; margin: 0 15px; width: 10px; height: 10px;
    background-color: rgba(0,0,0,.3); border-radius: 50%;
    cursor: pointer;
}
#slide-dot ul li.active {background-color: #000;}
.sec4 .s4-mCloud1 {position: absolute; left: 5%; top: 28%; width: 90%; 
    animation: s4ani 8s infinite linear alternate;    
}
.sec4 .s4-mCloud2 {position: absolute; left: 10%; top: 24%; width: 80%;}
.sec4 .s4-cloud {width: 100%; position: absolute; left: -20%; top: -20%; z-index: -1;}
/* sec4 animation */
@keyframes s4ani {
    50% {left: 0}
}
.sec4 h2 {opacity: 0; transition: all 0.4s 0.2s linear;}
#slide-wrap {opacity: 0; transition: all 0.4s linear;}
#section4.show .sec4 h2 {opacity: 1;}
#section4.show #slide-wrap {opacity: 1;}


/* sec5 */
.sec5 {}
.sec5 .project {display: flex; justify-content: space-between; position: relative; margin-bottom: 30vw;}
.sec5 .project .pimg-wrap {z-index: 1; width: 58vw;}
.sec5 .project .pimg-wrap.left {margin-right: 2vw;}
.sec5 .project .pimg-wrap.right {margin-left: 2vw;}
.sec5 .project .pimg-wrap.active {display: none;}
.sec5 .project .cont {width: 40vw; z-index: 2;}
.sec5 .project .cont .title {margin-bottom: 20%;}
.sec5 .project .cont .title .num {font-family: 'Roboto Mono'; font-style: italic; font-size: 1.5vw;}
.sec5 .project .cont .title h2 {
    font-family: 'DM Serif Display', serif; font-size: 6vw; line-height: 0.8;}
.sec5 .project .cont .title .skill {font-family: 'Roboto Mono'; font-size: 1vw;}
.sec5 .project .cont .desc {width: 88%;}
.sec5 .project .cont .desc p {
    font-family: 'S-CoreDream-3Light'; 
    font-size: 22px;
    border: 2px solid #000;
    padding: 1em;
    word-break: keep-all;
}
.sec5 .project .cont .desc .bnt {margin-top: 1vw;}
.sec5 .project .cont .desc .bnt a {
    display: inline-block;
    font-family: 'Roboto Mono';
    font-size:  16px;
    padding: 0.5em 1em;
    overflow: hidden;
    position: relative;
    white-space: nowrap;
    transition: 0.3s ease;
}
.sec5 .project .cont .desc .bnt a::before {
    content: '';
    display: block;
    height: 1em;
    width: 1em;
    border-bottom: 1px solid #000;
    border-left: 1px solid #000;
    position: absolute;
    left: 0;
    bottom: 0;
    transition: 0.3s ease;
}
.sec5 .project .cont .desc .bnt a::after {
    content: '';
    display: block;
    height: 1em;
    width: 1em;
    border-top: 1px solid #000;
    border-right: 1px solid #000;
    position: absolute;
    right: 0;
    top: 0;
    transition: 0.3s ease;
}
.sec5 .project .cont .desc .bnt a:hover {background: #7d8285; color: #fff;}
.sec5 .project .cont .desc .bnt a:hover::before, 
.sec5 .project .cont .desc .bnt a:hover::after { width: 100%; height: 100%;}

.sec5 .project .paper {
    position: absolute; right: 0%; bottom: 0;
    background: url(../img/paper.jpg);
    width: 2000px; height: 55%;
    z-index: -1;
}
/*sec5-cloud*/
.ws-cloud {
    position: absolute; bottom: -30%; right: 0;
    z-index: 1; width: 70%;
}
.rs-cloud {
    position: absolute; left: 0; bottom: -40%; 
    z-index: 1; width: 70%
}
.nugu-cloud1 {
    position: absolute; left: -40%; bottom: -30%;
    transform: rotateY(180deg); opacity: 0.9;
    z-index: 1; width: 89%
}
.nugu-cloud2 {
    position: absolute; left: 38%; bottom: -80%;
    width: 40%
}
.nugu-cloud3 {
    position: absolute; right: 0; bottom: 0;
    z-index: -1; width: 50%
}
.mega-cloud {
    position: absolute; left: 0; bottom: -40%; 
    z-index: 1; width: 60%
}
/*sec5 - animation*/
.sec5 .project .pimg-wrap {opacity: 0; transform: translateX(-3%); transition: all 0.3s 0.2s linear;}
.sec5 .project.p2 .pimg-wrap {opacity: 0; transform: translateX(3%); transition: all 0.3s 0.2s linear;}
.sec5 .project.p4 .pimg-wrap {opacity: 0; transform: translateX(3%); transition: all 0.3s 0.2s linear;}
.sec5 .project .cont .title {opacity: 0;  transform: translateY(10%); transition: all 0.3s 0.6s linear;}
.sec5 .project .cont .desc {opacity: 0; transform: translateY(10%); transition: all 0.3s 0.8s linear;}
.sec5 .project .paper {opacity: 0; transition: all 0.3s linear;}
.sec5 .project.show .pimg-wrap {opacity: 1; transform: translate(0);}
.sec5 .project.show .cont .title {opacity: 1; transform: translate(0);}
.sec5 .project.show .cont .desc {opacity: 1; transform: translate(0);}
.sec5 .project.show .paper {opacity: 1;}


/* sec6 */
.sec6 {display: flex; justify-content: center; align-items: center; flex-wrap: wrap;}
.sec6 h2 {
    font-family: 'DM Serif Display', serif;
    text-align: center;
    font-size: 6vw;
}
.sec6 svg {}
.sec6 .s6-cloud {width: 60vw; position: absolute; left: 0; top: -15%; z-index: -1}
.sec6 .s6-cloud2 {width: 40vw; position: absolute; left: 25%; top: 40%; z-index: -1;}
/* sec6 - animation */
.s1-1 {opacity:0; transition: opacity 0.4s 2.3s ease-in;}
.s1-2 {opacity:0; transition: opacity 0.4s 2.4s ease-in;}
.s1-3 {opacity:0; transition: opacity 0.4s 2.6s ease-in;}
.s1-4 {opacity:0; transition: opacity 0.4s 2.8s ease-in;}
.s2-1 {opacity:0; transition: opacity 0.4s 1.6s ease-in;}
.s2-2 {opacity:0; transition: opacity 0.4s 1.8s ease-in;}
.s2-3 {opacity:0; transition: opacity 0.4s 2.0s ease-in;}
.s2-4 {opacity:0; transition: opacity 0.4s 2.2s ease-in;}
.s3-1 {opacity:0; transition: opacity 0.4s 0.9s ease-in;}
.s3-2 {opacity:0; transition: opacity 0.4s 1.1s ease-in;}
.s3-3 {opacity:0; transition: opacity 0.4s 1.3s ease-in;}
.s3-4 {opacity:0; transition: opacity 0.4s 1.5s ease-in;}
.s4-1 {opacity:0; transition: opacity 0.4s 0.2s ease-in;}
.s4-2 {opacity:0; transition: opacity 0.4s 0.4s ease-in;}
.s4-3 {opacity:0; transition: opacity 0.4s 0.6s ease-in;}
.s4-4 {opacity:0; transition: opacity 0.4s 0.8s ease-in;}
.sec6 svg .skillM {opacity:0; transition: opacity 0.4s 0.2s ease-in;}
.sec6 h2 {opacity: 0.8; transform: translate(100%, 150%) scale(1.5); transition: all 0.4s ease;}
#section6.show .s1-1 {opacity:1;}
#section6.show .s1-2 {opacity:1;}
#section6.show .s1-3 {opacity:1;}
#section6.show .s1-4 {opacity:1;}
#section6.show .s2-1 {opacity:1;}
#section6.show .s2-2 {opacity:1;}
#section6.show .s2-3 {opacity:1;}
#section6.show .s2-4 {opacity:1;}
#section6.show .s3-1 {opacity:1;}
#section6.show .s3-2 {opacity:1;}
#section6.show .s3-3 {opacity:1;}
#section6.show .s3-4 {opacity:1;}
#section6.show .s4-1 {opacity:1;}
#section6.show .s4-2 {opacity:1;}
#section6.show .s4-3 {opacity:1;}
#section6.show .s4-4 {opacity:1;}
#section6.show .sec6 svg .skillM {opacity:1;}
#section6.show .sec6 h2 {opacity:1; transform: translate(0, 0) scale(1)} 
.sec6 .s6-cloud2 {animation: s6ani 20s linear infinite alternate}
@keyframes s6ani {
    0% {left: 25%}
    50% {left: 30%}
}


/* sec7 */
.sec7 {display: flex; flex-wrap: wrap;}
.sec7 .cont {width: 70%; position: relative;}
.sec7 .cont .s7-cloud1 {width: 90%; position: absolute; left: -34%; top: -18%; z-index: 0;}
.sec7 .cont h2 {
    font-family: 'DM Serif Display', serif;
    font-size: 6vw; line-height: 1em;
    padding-left: 50px; margin-bottom: 5vw;
    position: relative; z-index: 1;
}
.sec7 .cont h2 span {display: block;}
.sec7 .cont p {
    font-family: 'S-CoreDream-3Light'; 
    width: 50%; margin-bottom: 2vw;
    font-size: 22px;  word-break: keep-all;
    position: relative;
    padding-left: 50px;
}
.sec7 .cont p:before {
    content: '';
    width: 5vw; height: 0.5vw; background: #000;
    position: absolute; top: -2vw; left: 50px;
}
.sec7 .cont .letter {width: 60%;}
.sec7 .cont-right {width: 30%; position: relative;}
.sec7 .cont-right .me {width: 100%;}
.sec7 .cont-right .leaf {width: 50%; position: absolute; top: 10vw; left: -40%; z-index: 0;}
.sec7 .cont-right .s7-cloud2 {width: 60%; position: absolute; right: -10%; top: 35%;}
.sec7 .cont-right .s7-cloud3 {width: 64%; position: absolute; left: -10%;  top: 60%;}
.s7-cloudR {width: 50%; position: absolute; right: 0; top: -20vw; z-index: -2;}
.sec7 .cont-right .contact {
    position: absolute; left: 50%; top: 50%;
    transform: translate(-50%, -50%);
    margin-top: 20%; z-index: 2;
    font-family: 'Roboto Mono'; text-transform: capitalize;
    font-size: 30px; cursor: pointer;
    font-weight: bold;
    display: inline-block;
    padding: 0.5em 1em;
    position: relative;
    white-space: nowrap;
    transition: 0.3s ease;
    background: transparent;
}
.sec7 .cont-right .contact::before {
    content: '';
    display: block;
    height: 1em;
    width: 1em;
    border-bottom: 1px solid #000;
    border-left: 1px solid #000;
    position: absolute;
    left: 0;
    bottom: 0;
    -webkit-transition: 0.3s ease;
    transition: 0.3s ease;
}
.sec7 .cont-right .contact::after {
    content: '';
    display: block;
    height: 1em;
    width: 1em;
    border-top: 1px solid #000;
    border-right: 1px solid #000;
    position: absolute;
    right: 0;
    top: 0;
    -webkit-transition: 0.3s ease;
    transition: 0.3s ease;
}
.sec7 .cont-right .contact:hover::before, 
.sec7 .cont-right .contact:hover::after { width: 100%; height: 100%;}
/*sec7- contact modal*/
.modal {
    display: none;
    position: fixed; left: 0; top: 0;
    z-index: 99999;
    width: 100%; height: 100%;
    background-color: rgba(0,0,0,.6);
}
.contact-modal-content {
    background-color: #e2dedb;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 50%;
}
.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}
.close:hover, .close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}
.contact-modal-content h3 {
    font-size: 30px; font-weight: 800;
    text-align: center;

}
input {
    font-family: 'Roboto Mono';
    font-size: 14px;
    width: 96%;
    padding: 1% 2% 1% 2%;
    background: transparent;
    outline: none;
    color: #726659;
    border: 1px solid #b3aca7;
    border-bottom: none;
    transition: all 0.3s ease-in-out;
}
input:hover {background: #b3aca7; color: #e2dedb;}
textarea {
    font-family: 'Roboto Mono';
    font-size: 14px;
    width: 96%;
    padding: 1% 2% 1% 2%;
    background: transparent;
    outline: none;
    color: #726659;
    border: solid 1px #b3aca7;
    transition: all 0.3s ease-in-out;
}
textarea:hover {background: #b3aca7; color: #e2dedb;}
.submit {
    width: 100%;
    font-family: 'Roboto Mono';
    font-size: 14px;
    color: #b3aca7;
    outline:none;
    cursor: pointer;
    border: solid 1px #b3aca7;
}
.submit:hover {color: #e2dedb; background: #b3aca7;}
input::placeholder, textarea::placeholder {color: #aca49c;}
input:focus::placeholder, textarea:focus::placeholder {color: #bbb5af;}
input:hover::placeholder, textarea:hover::placeholder {color: #e2dedb;}
input:hover:focus::placeholder, textarea:hover:focus::placeholder {color: #cbc6c1;}
input:hover::placeholder, textarea:hover::placeholder {color: #e2dedb;}
/*sec7 animation*/
.s7ani1 {animation: s7ani1 20s linear infinite alternate;}
@keyframes s7ani1 {
    100% {left: 0;}
}
.s7ani2 {animation: s7ani2 5s linear infinite alternate;}
@keyframes s7ani2 {
    100% {right: 0;}
}
.s7ani3 {animation: s7ani3 5s linear infinite alternate;}
@keyframes s7ani3 {
    100% {left: 0;}
}
#section7 {background-size: 0; transition: all 0.44s 0.2s linear;}
.sec7 .cont h2 {opacity: 0; transform: translateY(5%); transition: all 0.44s 0.4s linear;}
.sec7 .cont p {opacity: 0; transform: translateY(5%); transition: all 0.44s 0.6s linear;}
.sec7 .cont .letter {opacity: 0; transition: all 0.44s 0.8s linear;}
.sec7 .cont-right .me {opacity: 0; transform: translateY(5%); transition: all 0.44s 0.4s linear;}
.sec7 .cont-right .leaf {opacity: 0; transform: translateY(5%); transition: all 0.44s 0.4s linear;}
.sec7 .cont-right .contact {opacity: 0; transition: all 0.44s 0.8s linear;}
#section7.show {background-size: cover;}
#section7.show .sec7 .cont h2 {opacity: 1; transform: translateY(0)}
#section7.show .sec7 .cont p {opacity: 1; transform: translateY(0)}
#section7.show .sec7 .cont .letter {opacity: 1;}
#section7.show .sec7 .cont-right .me {opacity: 1; transform: translateY(0)}
#section7.show .sec7 .cont-right .leaf {opacity: 1; transform: translateY(0)}
#section7.show .sec7 .cont-right .contact {opacity: 1;}

/*sec8*/
.sec8 {position: relative; padding-top: 20vw; overflow: hidden;}
.sec8 .tit {position: absolute; left: 50%; top: 0; transform: translate(-50%); z-index: 20;}
.sec8 .tit h1 {
    font-family: 'DM Serif Display', serif;
    font-size: 7vw; color: #fff; line-height: 1em; text-align: center;
}
.sec8 .tit h1 span {display: block; position: relative; }
.sec8 .tit h1 span::before, .sec8 .tit h1 span::after {
    content: attr(data-text);
    position: absolute; left: 0; top: 0;
    width: 100%; height: 100%;
    z-index: -1;
}
.sec8 .mountains {padding-top: 100vh; width: 100vw;}
.sec8 .mountains .mountainrock {width: 100%; z-index: 10; position: absolute; left: 0; bottom: 0;}
.sec8 .mountains .mountain1 {width: 100%; z-index: 9; position: absolute; left: 0; bottom: 0;}
.sec8 .mountains .mountain2 {width: 100%; z-index: 7; position: absolute; left: 0; bottom: 0;}
.sec8 .mountains .mountain3 {width: 100%; z-index: 5; position: absolute; left: 0; bottom: 0;}
.sec8 .mountains .mountain4 {width: 100%; z-index: 3; position: absolute; left: 0; bottom: 0;}
.sec8 .mountains .cloud1 {opacity: 0.8; width: 30%; z-index: 8; position: absolute; left: 0; bottom: 7vw;}
.sec8 .mountains .cloud2 {opacity: 0.4; width: 40%; z-index: 6; position: absolute; left: -80%; bottom: 8vw;}
.sec8 .mountains .cloud3 {opacity: 0.7; width: 50%; z-index: 4; position: absolute; right: -50%; bottom: 6vw;}
.sec8 .mountains .cloud4 {opacity: 0.5; width: 60%; z-index: 2; position: absolute; right: 0%; bottom: 16vw;}
.sec8 .up {
    z-index: 20;
    position: absolute; left: 50%; bottom: 15%;
    transform: translateX(-50%);
    display: flex; justify-content: space-between;
}
.sec8 .up p {
    font-family: 'Roboto Mono'; font-size: 14px; line-height: 1.2em;
    color: #fff; padding-left: 1vw;
}
/*sec8 animation*/
.sec8 .tit h1 span::before {color: #63244D; animation: titani 4s ease-in-out infinite alternate;}
.sec8 .tit h1 span::after {color: #3498db; animation: titani 3s ease-in-out infinite alternate;}
@keyframes titani {
    0% {left: -0.2vw; top: -0.2vw;}
    25% {left: 0.2vw; top: 0vw;}
    50% {left: -0.1vw; top: 0.2vw;}
    75% {left: 0.1vw; top: -0.1vw;}
    100% {left: 0vw; top: -0.2vw;}
}
.mcani1 {animation: mcani1 80s linear infinite alternate;}
@keyframes mcani1 {
    100% {left: 80%;}
}
.mcani2 {animation: mcani2 80s linear infinite alternate;}
@keyframes mcani2 {
    100% {right: 80%}
}
.sec8 .up .simg .cir1 {animation: cir1 2s infinite}
.sec8 .up .simg .cir2 {animation: cir2 2s infinite}
.sec8 .up .simg .cir3 {animation: cir3 2s infinite}
@keyframes cir3 {
    0% {opacity: 0;}
    74% {opacity: 0;}
    75% {opacity: 1;}
    99% {opacity: 1;}
    100% {opacity: 0;}
}
@keyframes cir2 {
    0% {opacity: 0;}
    49% {opacity: 0;}
    50% {opacity: 1;}
    99% {opacity: 1;}
    100% {opacity: 0;}
}
@keyframes cir1 {
    0% {opacity: 0;}
    24% {opacity: 0;}
    25% {opacity: 1;}
    99% {opacity: 1;}
    100% {opacity: 0;}
}


/* mediaquery */
@media  (max-width: 1518px){
    .row {padding: 0 50px}
    .container {width: 100%;}
} 

@media (max-width: 1410px){
    .sec8 .tit {top: 22%;}
    .sec8 .up {bottom: 10%}
}   


@media (max-width: 1280px){
    .sec1 .desc {padding: 0 15%;}
    .sec5 .project .cont .desc p {font-size: 20px;}
    .sec3 > div {margin-bottom: 10%;}

}
@media (max-width: 1200px) {
    .sec5 .project .pimg-wrap {width: 46vw; margin-top: auto; margin-bottom: auto;}
    .sec5 .project .cont {width: 45vw}
    .sec5 .project .cont .title {margin-bottom: 6%;}
    .sec5 .project .cont .desc p {font-size: 18px;}
    .sec5 .project .paper {height: 62%;}
}
@media (max-width: 1024px){
    .sec7 .cont-right .contact {font-size: 28px;}
    .sec7 .cont {width: 100%;}
    .sec7 .cont h2 {text-align: center; font-size: 8vw; padding-left: 0;}
    .sec7 .cont p {font-size: 20px; width: 60%; padding-left: 0; margin: 5vw auto; text-align: center;}
    .sec7 .cont p:before {width: 40%; left: 50%; transform: translate(-50%);}
    .sec7 .cont .letter {display: none;}
    .sec7 .cont-right {margin: 0 auto; }
    .sec7 .cont-right .me {margin-bottom: 1.2vw;}
    .sec6 h2 {
        width: 100%; font-size: 8vw; padding-bottom: 5vw; 
        opacity: 0; transform: translate(0, -50%);
        transition: all 0.4s ease;
    }
    #section6.show .sec6 h2 {opacity:1; transform: translate(0, 0) scale(1)}

    .sec5 .project {margin-bottom: 50vw; flex-direction: column; justify-content: center; align-items: center;}
    .sec5 .project .pimg-wrap {width: 90%;}
    .sec5 .project .pimg-wrap.left {margin-right: 0vw;}
    .sec5 .project .pimg-wrap.right {margin-left: 0vw;}
    .sec5 .project.p2 .pimg-wrap, .sec5 .project.p4 .pimg-wrap {display: none;}
    .sec5 .project .pimg-wrap.active {display: block;}
    .sec5 .project .cont {width: 100%; text-align: center; padding-top: 40px;}
    .sec5 .project .cont .desc {margin: 0 auto; }
    .sec5 .project .cont .desc p {margin-bottom: 20px;}
    .sec5 .project .cont .title h2 {font-size: 8vw;}
    .sec5 .project .cont .title .num {font-size: 2vw;}
    .sec5 .project .cont .title .skill {font-size: 1.8vw;}
    .sec5 .project .pimg-wrap {opacity: 1; transform: translateX(0)}
    .sec5 .project.p2 .pimg-wrap {opacity: 1; transform: translateX(0)}
    .sec5 .project.p4 .pimg-wrap {opacity: 1; transform: translateX(0)}
    .sec5 .project .cont .title {opacity: 1; transform: translateY(0)}
    .sec5 .project .cont .desc {opacity: 1; transform: translateY(0)}
    .sec5 .project .paper {opacity: 1;}

    #section4 {padding-bottom: 50vw;}
    .sec4 h2 {font-size: 8vw;}
    h2.s3-title {font-size: 8vw;}

    #section2 {padding-bottom: 25vw;}
    .sec2 .cont {font-size: 8.8vw; line-height: 1;}
}

@media (max-width: 910px){
    .row {padding: 0;}
    #nav {
        width: 100%; height: 50px; line-height: 50px; border-bottom: 1px solid #fff; 
        border-right: 0; text-align: center;
        display: flex; flex-direction: row; justify-content: space-between;
    } 
    #nav h1 {writing-mode: horizontal-tb; transform: none;}
    #nav .name {padding-bottom: 0; padding-right: 10px;}

    .sec1 .menu ul {display: none;}
    .sec1 .menu .mail {display: none;}
    .sec1 .tit {font-size: 10vw; line-height: 1; padding-bottom: 5%; }
    .sec1 .desc {font-size: 18px; padding: 0 20%; letter-spacing: -1px;} 
    /* .sec1 .tit {font-size: 40px; line-height: 45px; padding-bottom: 5%; }
    .sec1 .desc {font-size: 14px; padding: 0 20%; letter-spacing: -1px;} */

    .sec8 .tit {top: 40%;}
    .sec8 .up {bottom: 5%}
    .sec8 .up p {font-size: 12px;}

    #section3 {margin: 25vw 0;}
    .sec3 {padding: 0 30px}
    .sec3 > div {flex: 0 38%}
    .sec3 > div .ani .tit {font-size: 30px;}
    .sec3 > div:nth-of-type(1) {opacity: 1; transform: translateY(0)}
    .sec3 > div:nth-of-type(2) {opacity: 1; transform: translateY(0)}
    .sec3 > div:nth-of-type(3) {opacity: 1; transform: translateY(0)}
    .sec3 > div:nth-of-type(4) {opacity: 1; transform: translateY(0)}
    .sec3 > div:nth-of-type(5) {opacity: 1; transform: translateY(0)}
    .sec3 > div:nth-of-type(6) {opacity: 1; transform: translateY(0)}
    .sec3 > div:nth-of-type(7) {opacity: 1; transform: translateY(0)}
    .sec3 > div:nth-of-type(8) {opacity: 1; transform: translateY(0)}
    .sec3 > div:nth-of-type(9) {opacity: 1; transform: translateY(0)}
    h2.s3-title {opacity: 1; transform: translateY(0)}


   

}

@media (max-width: 600px){
    .sec7 .cont p {font-size: 16px;}
    .sec7 .cont-right .contact {font-size: 20px;}
    .sec7 .cont-right .s7-cloud2, .sec7 .cont-right .s7-cloud3 {display: none;}

    #section4 {margin:25vw 0;}
    .sec4 h2 {font-size: 10vw;}
    #slide-list {margin-bottom: 25vw;}
    #slide-list li {width: 80%;}
    #slide-nav .navbnt {top: 100%;}
    #slide-list li.item-2 {display: none;}
    #slide-list li.item-3 {display: none;}
    #slide-list li.item-4 {display: none;}
    #slide-list li.item-5 {display: none;}

    .sec3 > div {margin-bottom: 18%; flex: 100%}
    .s3-cloud1 {top: -3%}

    .sec1 .desc {font-size: 16px;;}
}
@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    .progress, #nav, #contents {
        display: none;
    }
    .ie {
        display: block;
    }
}