#lazy_loading {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  left: 0;
  top: 0;
  position: fixed;
  background: #000;
  z-index: 99999999999;
  text-align: center;
}

#lazy_loading img {
  width: auto;
  height: auto;
  margin-bottom: 30px;
  filter: grayscale(100%); 
  transition: filter 2s ease-in-out;
}

#lazy_loading.fade-in img {
  filter: grayscale(0%);
}

#lazy_loading .progress_bar {
  width: 500px;
  height: 20px;
  border: 2px solid #fff;
  box-shadow: 0px 5px 10px #666;
  border-radius: 20px;
}

#lazy_loading .progress_fill {
  width: 0;
  height: 100%;
  background: #0000FF;
  animation: fillProgress 2s linear forwards;
  border-radius: 20px;
}

@keyframes fillProgress {
  0% {
    width: 0;
  }
  100% {
    width: 100%;
  }
}

#lazy_loading.fade-out {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease-out, visibility 0s 0.5s;
}


#sec_01 {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

#sec_01 .wrap {
  width: 100%;
  max-width: 1400px;
  height: auto;
}

#sec_01 .wrap h1 {
  font-family: "F_B";
  font-weight: bold;
  font-size: 60px;
  color: transparent;
  white-space: nowrap;
  position: relative;
  display: inline-block;
}

#sec_01 .wrap h1::before {
  content: "Our Technology Boasts";
  position: absolute;
  top: 0;
  left: 0;
  color: #fff;
  overflow: hidden;
  border-right: 1px solid #fff;
  visibility: hidden; /* 처음에 숨김 */
  animation: typing1 4s steps(25) 1s forwards, blink 0.75s step-end infinite, cursorFade 0.5s ease 5s forwards;
}

#sec_01 .wrap h1::after {
  content: "The Highest Level Of Safety";
  position: absolute;
  top: 1em; /* 두 번째 줄의 위치 */
  left: 0;
  color: #fff;
  overflow: hidden;
  border-right: 1px solid #fff;
  visibility: hidden; /* 처음에 숨김 */
  animation: typing2 4s steps(30) 1s forwards, blink 0.75s step-end infinite, cursorFade 0.5s ease 5s forwards;
}

@keyframes typing1 {
  0% {
    width: 0;
    visibility: visible; /* 애니메이션 시작할 때 보이게 */
  }
  100% {
    width: 100%;
    visibility: visible; /* 끝난 후에도 계속 보임 */
  }
}

@keyframes typing2 {
  0% {
    width: 0;
    visibility: visible; /* 애니메이션 시작할 때 보이게 */
  }
  100% {
    width: 100%;
    visibility: visible; /* 끝난 후에도 계속 보임 */
  }
}

@keyframes blink {
  0% {
    border-right-color: #fff;
  }
  100% {
    border-right-color: transparent;
  }
}

@keyframes cursorFade {
  0% {
    border-right-color: #fff;
  }
  100% {
    border-right-color: transparent;
  }
}


#sec_01 iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1920px;
  height: 100vh; 
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: -1;
}

#sec_01 .wave {
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1600' height='157'%3E%3Cdefs%3E%3ClinearGradient id='a' x1='50%25' x2='50%25' y1='-10.959%25' y2='100%25'%3E%3Cstop stop-color='%23ffffff' stop-opacity='1' offset='0%25'/%3E%3Cstop stop-color='%23ffffff' offset='100%25'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath fill='url(%23a)' fill-rule='evenodd' d='M.005 80C311 80 409.898-.25 811 0c400 0 500 80 789 80v77H0s.005-48 .005-77z' transform='matrix(-1 0 0 1 1600 0)'/%3E%3C/svg%3E") repeat-x;
  position: absolute;
  bottom: 0;
  width: 6400px;
  height: 157px;
  animation: wave 4s cubic-bezier(0.40,0.30,0.20,0.40) infinite;
  transform: translate3d(0,0,0);
}

@keyframes wave {
  0% {
      transform: translateX(0);
  }
  100% {
      transform: translateX(-1600px);
  }
}

#sec_02 {
  width: 100%;
  height: auto;
  padding: 120px 0 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

#sec_02 .wrap {
  width: 100%;
  max-width: 1400px;
  height: auto;
  display: flex;
  align-items: flex-start;
}

#sec_02 .wrap .container {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 850px;
  height: auto;
  justify-content: space-between;
  margin-right: 107px;
}

#sec_02 .wrap .container .box {
  width: auto;
  height: auto;
  position: relative;
}

#sec_02 .wrap .container .box img {
  width: auto;
  height: auto;
  transition: all 0.5s;
  cursor: pointer;
}

#sec_02 .wrap .container .box img.active {
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
}

#sec_02 .wrap .container .box:hover img.active {
  opacity: 1;
}

#sec_02 .wrap .container .box:hover img {
  opacity: 0;
}

#sec_02 .wrap .text_box {
  padding-top: 64px;
}

#sec_02 .wrap .text_box h2 {
  font-family: "F_B";
  font-weight: bold;
  font-size: 50px;
  color: #000;
  margin-bottom: 30px;
}

#sec_02 .wrap .text_box h3 {
  font-family: "F_L";
  font-weight: 100;
  font-size: 30px;
}

#sec_02 .left_img {
  width: auto;
  height: auto;
  position: absolute;
  left: 0;
  top: 0px;
  transition: all 0.3s;
  animation: left_img 3s infinite linear;
  z-index: -1;
}

@keyframes left_img {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(20px);
  }
  100% {
    transform: translateY(0px);    
  }
}

#sec_02 .right_img {
  width: auto;
  height: auto;
  position: absolute;
  right: 0;
  bottom: -68px;
  transition: all 0.3s;
  animation: right_img 3s infinite linear;
  z-index: -1;
}

@keyframes right_img {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0px);    
  }
}

#sec_03 {
  width: 100%;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
}

#sec_03 .wrap {
  width: 100%;
  max-width: 1660px;
  height: auto;
  padding: 100px 0 100px 110px;
  border-radius: 500px 0 0 500px;
  background: #f5f5f5;
  overflow: hidden;
  display: flex;
  align-items: center;
}

#sec_03 .wrap .text_zone {
  margin-right: 100px;
}

#sec_03 .wrap .text_zone h2 {
  font-family: "F_B";
  font-weight: bold;
  font-size: 60px;
  margin-bottom: 30px;
}

#sec_03 .wrap .text_zone h3 {
  font-family: "F_L";
  font-weight: 100;
  font-size: 30px;
}

#sec_03 .wrap .slide_zone {
  width: 100%;
  max-width: 1160px;
}

#sec_03 .wrap .slide_zone .box {
  width: auto;
  height: auto;
  margin-right: 75px;
  position: relative;
  cursor: pointer;
}

#sec_03 .wrap .slide_zone .box p {
  width: 118px;
  height: 33px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: absolute;
  top: 20px;
  right: 25px;
  background: transparent;
  border: 1px solid #fff;
  color: #fff;
  font-family: "F_L";
  font-weight: 100;
  font-size: 20px;
  transition: all 0.5s;
}

#sec_03 .wrap .slide_zone .box:hover p {
  color: #000;
  background: #fff;
}

#sec_03 .wrap .slide_zone .box img {
  width: 100%;
  height: auto;
}

#sec_04 {
  width: 100%;
  height: auto;
  position: relative;
  display: flex;
  align-items: center;
  margin-top: 100px;
  z-index: 1;
}

#sec_04::after {
  content: "";
  width: 100%;
  height: 720px;
  background: #a6a6a6;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: -1;
}

#sec_04 .wrap {
  width: 100%;
  max-width: 1660px;
  height: 705px;
  border-radius: 0 500px 500px 0;
  background: #525252;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 110px;
  margin-bottom: 215px;
}

#sec_04 .wrap .text_box {}

#sec_04 .wrap .text_box h2 {
  font-family: "F_B";
  font-weight: bold;
  font-size: 60px;
  color: #fff;
  margin-bottom: 40px;
}

#sec_04 .wrap .text_box h3 {
  font-family: "F_L";
  font-weight: 100;
  font-size: 30px;
  color: #fff;
}

#sec_04 .bg {
  width: auto;
  height: auto;
  position: absolute;
  left: 0;
  bottom: 0;
}

#sec_04 .inner {
  width: 100%;
  max-width: 850px;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  bottom: 18px;
  right: 188px;
  position: absolute;
}

#sec_04 .inner img {
  width: auto;
  height: auto;
}

#sec_05 {
  width: 100%;
  height: auto;
  padding: 100px 0;
}

#sec_05 .wrap {
  width: 100%;
  height: auto;
  background: #f5f5f5;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 0;
}

#sec_05 .wrap .inner {
  width: 100%;
  max-width: 1400px;
  overflow: hidden;
}

#sec_05 .wrap .inner h2 {
  font-family: "F_B";
  font-weight: bold;
  font-size: 60px;
  margin-bottom: 95px;
  position: relative;
}

#sec_05 .wrap .inner h2::after {
  content: "";
  width: 100%;
  height: 3px;
  background: #000;
  position: absolute;
  right: 0;
  bottom: 0;
  max-width: 1037px;
}

#sec_05 .wrap .inner .slide {
  width: 100%;
  height: 140px;
  background: url(../img/main/sec_05_item_01.png) repeat-x left / cover;
  animation: slide 120s infinite linear;
}

@keyframes slide {
  0% {
    background-position:  0 0;
  }

  100% {
    background-position: 1000% 0;
  }
}

@media (max-width: 1600px) {
  #sec_01 .wrap {
    max-width: 95%;
  }

  #sec_01 .wrap h1 {
    font-size: 48px;
  }

  #sec_03 .wrap {
    max-width: 95%;
  }

  #sec_03 .wrap .slide_zone {
    max-width: 80%;
  }

  #sec_03 .wrap .text_zone h2 {
    font-size: 50px;
  }

  #sec_03 .wrap .text_zone h3 {
    font-size: 24px;
  }

  #sec_03 .wrap .text_zone {
    margin-right: 50px;
  }

  #sec_04 .wrap {
    max-width: 95%;
    height: 600px;
  }

  #sec_04 .bg {
    width: 720px;
  }

  #sec_04 .inner img {
    width: 200px;
  }

  #sec_04 .inner {
    max-width: 650px;
  }
}

@media (max-width: 1400px) {
  #sec_02 .wrap {
    max-width: 95%;
  }

  #sec_02 .wrap .container .box img {
    width: 380px;
  }

  #sec_02 .wrap .container {
    max-width: 790px;
    margin-right: 50px;
  }

  #sec_04 .wrap .text_box h2 {
    font-size: 48px;
  }

  #sec_04 .wrap .text_box h3 {
    font-size: 26px;
  }

  #sec_04 .wrap {
    height: 550px;
  }

  #sec_04::after {
    height: 500px;
  }

  #sec_04 .inner {
    right: 50px;
  }

  #sec_04 .inner img {
    width: 150px;
  }

  #sec_04 .inner {
    max-width: 500px;
    bottom: 100px;
  }

  #sec_04 .bg {
    width: 600px;
  }

  #sec_05 .wrap .inner {
    max-width: 95%;
  }

  #sec_05 .wrap .inner h2 {
    font-size: 48px;
  }

  #sec_05 .wrap .inner h2::after {
    width: 70%;
  }
}

@media (max-width: 1200px) {
  #sec_02 .wrap {
    flex-wrap: wrap;
  }

  #sec_02 .wrap .container {
    max-width: 100%;
    justify-content: center;
    margin-right: 0;
    order: 1;
  }

  #sec_02 .wrap .container .box:first-of-type {
    margin-right: 50px;
  }

  #sec_02 .wrap .container .box img {
    opacity: 0;
  }

  #sec_02 .wrap .container .box img.active {
    opacity: 1;
  }

  #sec_02 .wrap .text_box {
    padding-top: 0;
    width: 100%;
    text-align: center;
    margin-bottom: 100px;
  }

  #sec_03 .wrap .slide_zone .box {
    margin-right: 30px;
  }

  #sec_03 .wrap .text_zone h2 {
    font-size: 36px;
  }

  #sec_03 .wrap .text_zone h3 {
    font-size: 20px;
  }

  #sec_03 .wrap .slide_zone {
    max-width: 70%;
  }

  #sec_03 .wrap {
    justify-content: flex-end;
  }

  #sec_04 .wrap .text_box h2 {
    font-size: 36px;
    margin-bottom: 30px;
  }

  #sec_04 .wrap .text_box h3 {
    font-size: 24px;
  }

  #sec_04 .wrap {
    height: 450px;
  }

  #sec_04 .bg {
    width: 500px;
  }

  #sec_04 .inner img {
    width: 120px;
  }

  #sec_04 .inner {
    max-width: 400px;
  }
}

@media (max-width: 900px) {
  #sec_02 {
    padding: 0;
    padding-bottom: 100px;
  }

  #sec_02 .wrap .text_box h2 {
    font-size: 36px;
  }

  #sec_02 .wrap .text_box h3 {
    font-size: 24px;
  }

  #sec_02 .left_img {
    width: 230px;
  }

  #sec_02 .right_img {
    width: 350px;
  }

  #sec_02 .wrap .container .box img {
    width: 300px;
  }

  #sec_03 .wrap {
    flex-wrap: wrap;
  }

  #sec_03 .wrap .text_zone {
    margin-right: 30px;
    margin-bottom: 50px;
    text-align: right;
  }

  #sec_03 .wrap .slide_zone {
    max-width: 80%;
  }

  #sec_03 .wrap {
    padding: 50px 0 50px 60px;
  }

  #sec_04 .bg {
    position: unset;
    border-radius: 0 500px 500px 0;
  }

  #sec_04 {
    flex-wrap: wrap;
  }

  #sec_04 .wrap {
    margin-bottom: 0;
  }

  #sec_05 .wrap .inner h2 {
    font-size: 36px;
  }

  #sec_05 .wrap .inner .slide {
    height: 100px;
  }
}

@media (max-width: 700px) {
  @media (max-width: 700px) {
    #sec_01 .wrap h1 {
      font-size: 36px;
      text-align: center;
      display: block;
      position: relative;
    }
  
    #sec_01 .wrap h1::before, 
    #sec_01 .wrap h1::after {
      left: 50%;
      transform: translateX(-50%); 
    }
  }
  

  #sec_02 .wrap .text_box {
    margin-bottom: 50px;
  }

  #sec_02 .wrap .container .box img {
    width: 220px;
  }

  #sec_02 .wrap .container .box:first-of-type {
    margin-right: 30px;
  }

  #sec_03 .wrap .slide_zone .box p {
    width: 90px;
    height: 30px;
    top: 10px;
    right: 15px;
    font-size: 16px;
  }

  #sec_05 .wrap .inner h2 {
    font-size: 28px;
  }

  #sec_05 .wrap .inner h2::after {
    width: 65%;
  }

  #sec_05 .wrap {
    padding: 50px 0;
  }

  #sec_05 {
    padding: 50px 0;
  }

  #lazy_loading img {
    width: 250px;
  }

  #lazy_loading .progress_bar {
    width: 400px;
  }
}

@media (max-width: 500px) {
  #sec_01 .wrap h1 {
    font-size: 24px;
  }

  #sec_02 .wrap .text_box h2 {
    font-size: 28px;
  }

  #sec_02 .wrap .text_box h3 {
    font-size: 20px;
  }

  #sec_02 .left_img {
    width: 140px;
  }

  #sec_02 .right_img {
    width: 250px;
  }

  #sec_02 .wrap .container .box:first-of-type {
    margin-right: 0;
    margin-bottom: 30px;
  }

  #sec_02 .wrap .container {
    max-width: 250px;
    margin-right: 0;
    margin: 0 auto;
    flex-wrap: wrap;
  }

  #sec_03 .wrap .text_zone {
    margin-right: 20px;
  }

  #sec_03 .wrap .text_zone h2 {
    font-size: 28px;
    margin-bottom: 20px;
  }

  #sec_03 .wrap .text_zone h3 {
    font-size: 18px;
  }

  #sec_04 .wrap {
    padding-right: 50px;
    height: 350px;
  }

  #sec_04 .wrap .text_box h2 {
    font-size: 28px;
  }

  #sec_04 .wrap .text_box h3 {
    font-size: 18px;
  }

  #sec_04 .bg {
    width: 300px;
  }

  #sec_04 .inner {
    max-width: 370px;
    right: 50%;
    transform: translateX(50%);
  }

  #sec_05 .wrap .inner h2 {
    font-size: 24px;
    margin-bottom: 50px;
  }

  #sec_05 .wrap .inner h2::after {
    width: 60%;
  }

  #lazy_loading img {
    width: 200px;
  }

  #lazy_loading .progress_bar {
    width: 300px;
    height: 15px;
  }
}

@media (max-width: 400px) {
  #sec_01 .wrap h1 {
    font-size: 20px;
  }

  #sec_03 .wrap .text_zone h2 {
    font-size: 24px;
  }

  #sec_03 .wrap .text_zone h3 {
    font-size: 16px;
  }

  #sec_03 .wrap .slide_zone .box {
    margin-right: 10px;
  }

  #sec_03 .wrap .text_zone {
    margin-bottom: 30px;
  }

  #sec_03 .wrap {
      padding: 50px 0 50px 30px;
  }

  #sec_03 .wrap {
    border-radius: 50px 0 0 50px;
  }

  #sec_03 .wrap .slide_zone {
    max-width: 95%;
  }

  #sec_04 .wrap .text_box h2 {
    font-size: 23px;
    margin-bottom: 20px;
  }

  #sec_04 .wrap .text_box h3 {
    font-size: 15px;
  }

  #sec_04 .wrap {
    height: 250px;
  }

  #sec_04 .bg {
    width: 260px;
  }

  #sec_04::after {
    height: 300px;
  }

  #sec_04 .inner img {
    width: 90px;
  }

  #sec_04 .inner {
    max-width: 290px;
  }

  #sec_04 .wrap {
    padding-right: 40px;
  }

  #sec_05 .wrap .inner h2 {
    font-size: 20px;
  }

  #sec_05 .wrap .inner h2::after {
    width: 55%;
    height: 2px;
  }

  #sec_05 .wrap .inner .slide {
    height: 80px;
  }

  #lazy_loading img {
    width: 150px;
  }

  #lazy_loading .progress_bar {
    width: 250px;
  }
}