h2.tle {
  font-size: 3em;
  font-weight: 900;
  padding: 0;
}

body {
  background: linear-gradient(180deg, #000, #0e1335);
}
.section-inner {
  max-width: 1440px; width: 100%;
  margin: 0 auto;
}

/* section1 */
#section1 {
  background-color: #000;
  color: #fff;
  display: block;
  height: 100vh; height: 100dvh;
  position: relative;
  overflow: hidden;
}
.sticky-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  word-break: keep-all;
  max-width: 1320px;
  width: 90%; height: 0;
  margin: 0 auto;
  position: absolute;
  top: 50%; left: 50%;
  z-index: 10;
  transform: translate3d(-50%, -50%, 0);
  opacity: 1;
  transition: opacity 0.5s ease-in-out;
}
.sticky-text .line {
  font-size: 4.375em;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
  text-align: left;
  position: relative;
}
.sticky-text .line:not(:last-child) {
  margin-bottom: 0.3em;
}
.sticky-text .line-2 {
  flex-grow: 1;
  height: 1.15em;
}
.sticky-text .line-2 p {
  font-weight: 600;
}
.sticky-text .line-2 p span {
  line-height: 0;
}
.sticky-text .line-2 span:last-child {
  position: relative;
}
.sticky-text .line-2 span:last-child:after {
  content: '';
  display: inline-block;
  background-color: #777;
  width: 2px; height: 96%;
  position: absolute;
  top: 52.5%; right: -0.3em;
  transform: translateY(-50%);
  animation: cursor 0.9s infinite steps(2);
}
.sticky-text.not-sticky {
  position: absolute;
  top: auto; bottom: 50vh;
  opacity: 0.2;
  transition: opacity 1.2s ease-in-out;
}
.trigger {
  opacity: 0;
  visibility: hidden;
  position: absolute;
  left: 0; top: 0;
  width: 100%; height: 100%;
  overflow: hidden;
  pointer-events: none;
  -webkit-user-drag: none;
}
.trigger.active {
  opacity: 1;
  visibility: visible;
}
.trigger-inner {
  width: 90%; height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.trigger * {
  pointer-events: none;
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
}
.trigger-1 {
  position: relative;
  height: auto;
}
.trigger-1.active {
  animation: trigger1-up 2.5s linear forwards;
}
.trigger-1 span {
  display: block;
  color: rgba(255, 255, 255, 0.2);
  font-family: 'Century Gothic';
  font-size: 9.375em;
  font-weight: 700;
  letter-spacing: -0.75px;
}

.trigger-2 {
  display: flex;
  flex-direction: column;
  justify-content: center;
  row-gap: 58vh;
}
.marquee {
  opacity: 0.3;
  will-change: transform;
}
.marquee:nth-child(odd) {
  --marqueeDistance: -3482px;
  transform: translate3d(100vw, 0, 0);
}
.marquee:nth-child(even) {
  --marqueeDistance: -3846px;
  transform: translate3d(var(--marqueeDistance), 0, 0);
}
.marquee:not(:last-child) {
  margin-top: 4vh;
}
.marquee-inner {
  display: flex;
}
.logo-list {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 6em;
  margin-right: 6em;
}
.logo-item {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
.trigger-2.active .marquee:nth-child(odd) {
  animation: marquee-odd 3.5s linear both infinite;
}
.trigger-2.active .marquee:nth-child(even) {
  animation: marquee-even 3.5s linear both infinite;
}

.trigger-3 {
  display: flex;
  align-items: flex-start;
  overflow: hidden;
}
.trigger-3 .trigger-inner {
  align-items: flex-start;
}
.parallax-img {
  width: 30%;
  filter: grayscale(0.85);
  transform: translate3d(0, 100vh, 0);
  will-change: transform;
  backface-visibility: hidden;
  transform-style: preserve-3d;
  animation-play-state: paused;
}
.trigger-3.active .parallax-img {
  animation: parallax-img 2.7s cubic-bezier(0.33, 1, 0.68, 1) running forwards;
}
.trigger-3.active .parallax-img:nth-child(1) {
  animation-delay: 0s;
}
.trigger-3.active .parallax-img:nth-child(2) {
  animation-delay: 1.4s;
}
.trigger-3.active .parallax-img:nth-child(3) {
  animation-delay: 0.7s;
}

.btn-scroll {
  position: fixed;
  opacity: 1;
  transition: opacity 1s ease-in-out;
  pointer-events: none;
}
.btn-scroll > * {
  font-family: 'Noto Sans KR';
  font-size: 14px;
  letter-spacing: -0.3px;
  line-height: 1.15;
}
.btn-scroll-text {
  display: block;
  margin-bottom: 10px;
}
.btn-scroll-arrows {
  width: 16px;
  margin-bottom: 6px;
  position: relative; top: 0;
  animation: scroll-animation 1.2s ease-in-out infinite;
}
.btn-scroll-arrow {
  display: flex;
  justify-content: center;
}
.btn-scroll-arrow:first-child {
  position: relative;
  top: 3px;
  opacity: 0.5;
}
.btn-scroll-arrow:before,
.btn-scroll-arrow:after {
  content: '';
  display: block;
  background-color: #fff;
  width: 2px; height: 11px;
}
.btn-scroll-arrow:before {
  transform-origin: center bottom;
  transform: rotate(-45deg) translateX(2px);
}
.btn-scroll-arrow:after {
  transform-origin: center bottom;
  transform: rotate(45deg) translateX(-2px);
}
.btn-scroll.hide {
  opacity: 0;
}

/* section2 */
#section2 {
  background: #070A1B;
  background: linear-gradient(180deg, #000, #0e1335);
  color: #fff;
  padding-top: 7em;
}
#section2:after {
  content: none;
}
#section2 h2.tle {
  color: #fff;
  margin-bottom: 1.5em;
  padding-top: 0;
}
.accordion {
  display: flex;
  padding: 2.25em 4.6667%;
}
.accordion:not(:last-child) {
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}
.accordion-tit {
  width: 33.5%;
  padding: 1.5em 0;
  opacity: 0.5;
  transition: opacity 0.2s 0.6s;
}
.accordion:nth-child(1) .accordion-tit img {
  max-width: 65.2%;
}
.accordion:nth-child(2) .accordion-tit img {
  max-width: 78.5%;
}
.accordion:nth-child(3) .accordion-tit img {
  max-width: 17%;
}
.accordion:nth-child(4) .accordion-tit img {
  max-width: 74.4%;
}
.accordion-group {
  flex: 1;
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 0.8s 0.4s cubic-bezier(0.39, 0.575, 0.565, 1);
}
.accordion-group-content {
  overflow: hidden;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  column-gap: 1em;
}
.accordion-info {
  padding: 1.5em 0;
}
.accordion-subtit {
  display: block;
  font-size: 1.75em;
  font-weight: 500;
  letter-spacing: -1px;
  word-break: keep-all;
  margin-bottom: 0.75em;
  opacity: 0;
  transform: translate3d(0, 50%, 0);
  transition: all 0.4s 0s ease-in-out;
}
.accordion-desc {
  font-size: 1em;
  opacity: 0;
  transform: translate3d(0, 50%, 0);
  transition: all 0.4s 0s ease-in-out;
}
.accordion-video {
  flex-shrink: 0;
  width: 41.5%;
}
.accordion-video video {
  width: 100%;
}
.accordion.open .accordion-group {
  grid-template-rows: 1fr;
  transition: grid-template-rows 1.2s 0s cubic-bezier(0.39, 0.575, 0.565, 1);
}
.accordion.open .accordion-tit {
  opacity: 1;
  transition: opacity 0s 0s;
}
.accordion.open .accordion-subtit {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition: all 0.8s 0.4s ease-in-out;
}
.accordion.open .accordion-desc {
  opacity: 0.6;
  transform: translate3d(0, 0, 0);
  transition: all 0.8s 0.4s ease-in-out;
}
.marquee-single {
  margin-top: 11.25em;
  overflow: hidden;
}
.marquee-single .marquee-inner {
  will-change: transform;
  backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
}
.marquee-single .logo-list {
  gap: 5vw;
  margin-right: 5vw;
}
.marquee-single .logo-list img {
  width: auto; height: 1.5em;
}

/* section3 */
#section2 + .pin-spacer {
  background-color: #0e1335;
}
#section3 {
  background-color: #0e1335;
  padding: min(11vw, 10em) 0 min(18vw, 11em);
}
#section3 .tle {
  color: #fff;
}
#section3 .pin-spacer {
  align-items: flex-start;
}
.category-list {
  display: flex;
  height: 32vw;
  padding: min(6vw, 6em) 3.75em 0;
  transform: translateX(-100vw);
  overflow: hidden;
}
.category-item {
  display: block;
  position: relative;
  padding: 0 0.375em;
  transition: flex 0.8s ease-in-out, opacity 0.4s;
  overflow: hidden;
}
.category-item.active {
  flex: 5.5;
  opacity: 1;
}
.category-item:not(.active) {
  flex: 1;
  opacity: 0.7;
}
.category-inner {
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  width: 100%; height: 100%;
  position: relative;
  overflow: hidden;
  transform: scale(1) translateZ(0);
}
.category1 .category-inner {
  background-image: url(https://avivland.com/upload/project/25-01-02/91be10d3d7d758881e132a80ba7a5f0b.png);
}
.category2 .category-inner {
  background-image: url(https://avivland.com/upload/project/25-01-02/ac20bcb8bd15bdaf60c4b9d647b2fc04.png);
}
.category3 .category-inner {
  background-image: url(../../upload/project/projects-3.png);
}
.category4 .category-inner {
  background-image: url(https://avivland.com/upload/project/25-01-02/cdfd39ca820e7bf7518f353f2fdfabc0.png);
}
.category-inner:before {
  content: '';
  background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.4));
  width: 100%; height: 20%;
  position: absolute;
  left: 0; bottom: 0;
}
.category-item:not(.active) .category-inner:before {
  background: rgba(0, 0, 0, 0.4);
  height: 100%;
}
.category-item h3 {
  color: #fff;
  font-size: 2.125em;
  font-weight: 900;
  position: absolute;
  left: 1em; bottom: 1.5em;
}
.category-item h4 {
  color: #fff;
  font-size: 1.375em;
  font-weight: 700;
  position: absolute;
  right: 2.5em; bottom: 2.3em;
  opacity: 0;
  visibility: hidden;
  transition: visibility 0s 0.2s, opacity 0.2s 0s;
}
.category-item.active h4 {
  visibility: visible;
  opacity: 1;
  transition: visibility 0s 0.6s, opacity 0.4s 0.6s;
}

/* section4 */
#section4 {
  background-color: #f4f4f4;
  padding: 6em 0;
}
#section4 .tle {
  color: #050051;
}
.section4-con {
  background-color: transparent;
}
#section4 .bg-section {
  display: none;
}


/* keyframes */
@keyframes cursor {
  0% { background-color: #222; }
  100% { background-color: #777; }
}
@keyframes scroll-animation {
  0%, 100% { top: 0; }
  50% { top: 6px; }
}

@keyframes trigger1-up {
  0% {
    transform: translate3d(0, 5%, 0);
    opacity: 0;
  }
  5% {
    opacity: 1;
  }
  100% {
    transform: translate3d(0, -100%, 0);
  }
}

@keyframes marquee-odd {
  0% {
    transform: translate3d(100vw, 0, 0);
  }
  85%, 100% {
    transform: translate3d(var(--marqueeDistance), 0, 0);
  }
}
@keyframes marquee-even {
  0% {
    transform: translate3d(var(--marqueeDistance), 0, 0);
  }
  85%, 100% { 
    transform: translate3d(100vw, 0, 0);
  }
}

@keyframes parallax-img {
  0% {
    transform: translate3d(0, 110vh, 0);
  }
  100% {
    transform: translate3d(0, -150%, 0);
  }
}