@charset "UTF-8";
@import url(./reset.css);
@import url(./fonts.css);

.scroll-motion {
  transform: translateY(100px);
  opacity: 0;
  transition: 0.7s;
}

.scroll-motion.active {
  transform: translateY(0);
  opacity: 1;
}

.inner {
  width: calc(100% - 390px);
  max-width: 1530px;
  margin: 0 auto;
}

.mt60 {
  margin-top: 60px !important;
}

header {
  width: 100%;
  height: 100px;
  position: fixed;
  top: -100px;
  left: 0;
  z-index: 50;
  display: flex;
  padding: 40px 80px 0 80px;
  align-items: center;
  justify-content: space-between;
  background-color: #fff;
}

header .logo {
  width: 200px;
  height: 27px;
  background: url("../images/logo-col.svg") no-repeat;
  background-size: contain;
  display: block;
}

header nav {
  font-size: 18px;
  font-family: "Pretendard_Bold";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  color: #000;
}

header nav a {
  padding: 0 24px;
  display: block;
}

header .util {
  width: 314px;
  height: 20px;
  background: url("../images/header-util-bk.svg") no-repeat;
  background-size: contain;
  display: block;
}

.kv-area {
  height: 450vh;
  padding-top: 260px;
}

.kv-area h2 {
  width: 1220px;
  margin: 0 auto 80px;
  transform: translateY(70px);
  opacity: 0;
  font-family: "Pretendard_Bold";
  font-size: 64px;
  line-height: 130%;
  color: #1a1a1a;
  transition: 1.2s ease;
}

.kv-area h2.active {
  transform: translateY(0);
  opacity: 1;
}

.kv-area .img-wrap {
  position: absolute;
  top: 0;
  left: 50%;
  width: 1220px;
  height: 60vh;
  margin: 0 auto;
  background: url("../images/sub-kv-img.jpg") no-repeat center center / 1586px;
  border-radius: 24px;
  transform: translate(-50%, 70px) scale(1.15);
  overflow: hidden;
  transition: 1.2s ease;
}

.kv-area .img-wrap.active {
  background: url("../images/sub-kv-img.jpg") no-repeat center center / 100%;
  transform: translate(-50%, 0) scale(1);
  opacity: 1;
}

.kv-area .img-wrap .txt-box {
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 1;
  padding: 200px 195px 0;
  transform: translateY(70px);
  opacity: 0;
  transition: 0.5s;
}

.kv-area .img-wrap .txt-box.active {
  transform: translateY(0);
  opacity: 1;
}

.kv-area .img-wrap .txt-box .desc {
  transform: translateY(384px);
}

.kv-area .img-wrap .dimd {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  opacity: 0;
}

.tab-wrap {
  position: sticky;
  top: 0;
  left: 0;
  z-index: 1;
  padding: 35px 0;
  background-color: #fff;
  border-bottom: 1px solid #e5e5e5;
}

.engine-parts {
  margin-top: 160px;
}

.engine-parts .tit h3 {
  margin-bottom: 60px;
  font-family: "Pretendard_Bold";
  font-size: 56px;
  line-height: 150%;
  color: #111;
}

.engine-parts .tit h3 span {
  display: block;
  margin-top: 12px;
  font-size: 20px;
  line-height: 150%;
}

.engine-parts .tit p {
  font-family: "Pretendard_Regular";
  font-size: 20px;
  line-height: 150%;
  color: #4d4d4d;
}

.engine-parts .desc-list {
  margin-top: 160px;
}

.engine-parts .desc-list .desc-item {
  display: flex;
  justify-content: space-between;
}

.engine-parts .desc-list .desc-item + .desc-item {
  margin-top: 200px;
}

.engine-parts .desc-list .desc-item h4 {
  font-family: "Pretendard_Bold";
  font-size: 40px;
  line-height: 150%;
  color: #111;
}

.engine-parts .desc-list .desc-item .right {
  width: 910px;
}

.engine-parts .desc-list .desc-item.item1 .line + .line {
  margin-top: 60px;
  padding-top: 60px;
  border-top: 1px solid #e5e5e5;
}

.engine-parts .desc-list .desc-item.item3 .scroll-motion + .scroll-motion {
  margin-top: 12px;
}

.engine-parts .desc-list .desc-item.item4 {
  display: block;
}

.engine-parts .desc-list .desc-item.item4 .flex-box {
  display: flex;
  justify-content: space-between;
  margin-top: 60px;
}

.engine-parts .desc-list .desc-item.item4 .fixed-nav {
  position: sticky;
  top: 161px;
  left: 0;
  width: 290px;
  padding: 60px;
  background-color: #003087;
  border-radius: 16px;
}

.engine-parts .desc-list .desc-item.item4 .fixed-nav li {
  font-weight: 400;
  font-size: 16px;
  line-height: 150%;
  color: #fff;
  cursor: pointer;
  transition: 0.2s;
}

.engine-parts .desc-list .desc-item.item4 .fixed-nav li + li {
  margin-top: 12px;
}

.engine-parts .desc-list .desc-item.item4 .fixed-nav li.on {
  font-weight: 700;
  color: #00e900;
}

.engine-parts .desc-list .desc-item.item4 .right-item + .right-item {
  margin-top: 200px;
}

.engine-parts
  .desc-list
  .desc-item.item4
  .right-item:first-child
  .scroll-motion:first-child {
  margin-bottom: 40px;
}

.engine-parts
  .desc-list
  .desc-item.item4
  .right-item:first-child
  .scroll-motion:nth-child(3) {
  margin-bottom: 120px;
}

.engine-parts
  .desc-list
  .desc-item.item4
  .right-item:first-child
  .scroll-motion:nth-child(4) {
  margin-bottom: 20px;
}

.engine-parts
  .desc-list
  .desc-item.item4
  .right-item:nth-child(2)
  .scroll-motion:nth-child(2) {
  margin-top: 40px;
}

.qna {
  margin: 240px 0 160px;
}

.news {
  padding: 160px 0;
  background-color: #f5f5f5;
}

.news .tit {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.news .tit h3 {
  font-family: "Pretendard_Bold";
  font-size: 40px;
  line-height: 120%;
  color: #111;
}

.news .desc {
  display: flex;
  justify-content: space-between;
}

.news .desc img {
  transform: translateY(100px);
  opacity: 0;
}

footer {
  padding: 60px 80px;
}

footer a {
  display: flex;
  justify-content: space-between;
}

footer a .left div {
  display: flex;
  gap: 24px;
}

footer a .left div p {
  font-size: 14px;
  color: #4d4d4d;
}

footer a .left div p:first-of-type {
  color: #1a1a1a;
  font-family: "Pretendard_Bold";
}

footer a .left > p {
  color: #4d4d4d;
  margin-top: 80px;
  font-size: 14px;
  line-height: 160%;
}