:root {
  --default-background: #000000;

  --white: #fff;
  --white-50: rgba(255, 255, 255, 0.5);
  --white-20: rgba(255, 255, 255, 0.2);
  --white-5: rgba(255, 255, 255, 0.05);
  --accent: #bf4700;
  --gray: #0e0e0e;

  --def-transition-duration: 0.3s;

  --default-shadow: 4px 4px 2px rgba(0, 0, 0, 0.16);
  --orange: #f2762e;
  --yellow: #f2b705;
  --red: #bf0404;
  --off-white: #e5c6b4;
}

html {
  font-family: "Pretendard Variable", Pretendard, -apple-system,
    BlinkMacSystemFont, system-ui, Roboto, "Helvetica Neue", "Segoe UI",
    "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
}

body {
  width: 100%;
  background-color: var(--default-background);
  overflow-x: hidden;
}

header {
  margin: auto;
  padding-left: 5%;
  padding-right: 5%;
}

header ul>img:first-child {
  margin-right: 0.4rem;
}

section {
  position: relative;
  border: 0px solid red;
  margin: auto;
  max-width: 1200px;
}

/* NAVI */
header {
  background-color: var(--default-background);
  color: white;
  position: fixed;
  width: 100%;
  z-index: 1000;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 8vh;
  margin: auto;
  max-width: 1200px;
}

.logo {
  font-size: 20px;
  letter-spacing: 5px;
}

.nav-links {
  display: flex;
  justify-content: space-around;
  width: 40%;
}

.nav-links li {
  list-style: none;
}

.nav-links a {
  color: white;
  text-decoration: none;
  letter-spacing: 3px;
  font-weight: bold;
  font-size: 14px;
}

/* language selector ----------------------------*/
.language-selector {
  display: flex;
  align-items:center;
  gap: 10px;
  width: 312px;
  height: 46px;
  background-color: #242424;
  border-radius: 46px;
  padding: 9px;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 43px;
  height: 28px;
  transition: opacity 0.3s ease;
}

.lang-btn img {
  width: 40px;
  height: auto;
  border-radius: 5px;
}

.lang-btn:not(.active) {
  opacity: 0.5;
}

.lang-btn.active {
  filter: drop-shadow(0 0 0.75rem rgb(243, 202, 210));
  opacity: 1;
}
/* -----------------------------------------------*/

.burger {
  display: none;
  cursor: pointer;
}

.burger div {
  width: 25px;
  height: 3px;
  background-color: white;
  margin: 5px;
  transition: all 0.3s ease;
}

main {
  padding: 20px;
  padding-top: 10vh;
  min-height: 200vh; /* 스크롤을 위해 페이지 높이를 길게 설정 */
}

/* START PAGE CSS ------------------------- */
#start {
  display: flex;
  flex-direction: column;
  align-items: center;
  border: 0px solid red;
}
#start .header {
  min-height: 5rem;
  margin-bottom: 1rem;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 0px solid red;
}
#start .header .btn_ask {
  width: 7rem;
  height: 2.5rem;
  background-color: #ff2727;
  border-color: #ff2727;
  border-radius: 5px;
  color: #fff;
}

#start .start-body {
  padding-top: calc((100dvh - 60rem) / 2);
}
.start-title {
  margin-top: 10rem;
  height: 12rem;
  border: 0px solid red;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: calc((100dvh - 50rem) / 2);
}
.start-subtitle {
  width: 44.5rem;
  transition: all 0.8s ease-out;
  margin-top: 2.7rem;
}
.start-subtitle.show {
  margin-top: -1rem;
}
.start-picsome {
  height: 24rem;
  border: 0px solid red;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 7.39rem;
  overflow: hidden;
}
.picsome-box {
  margin-top: 0rem;
  transition: all 1.4s ease-in-out;
}
.picsome-box.show {
  margin-top: -25.3rem;
}
.start-tail {
  height: 7rem;
  border: 0px solid red;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: calc((100dvh - 70rem) / 2);
}
.picsome-text1 {
  margin-top: 2rem;
}
.picsome-text2 {
  margin-top: 1rem;
}
/* -------------------------------------- */

/* WHAT PAGE CSS ------------------------- */
#what {
  height: auto;
  margin-top: 14rem;
  margin-bottom: 14rem;
  text-align: -webkit-center;
}
.what-stext {
  width: 100%;
  text-align: center;
}

#what .what-stext.what_ko img {
  content: url(images/what/what_ko_1201.png);
}
#what .what-stext.what_en img {
  content: url(images/what/what_en_1201.png);
}
#what .what-stext.what_th img {
  content: url(images/what/what_th_1201.png);
}
#what .what-stext.what_ja img {
  content: url(images/what/what_ja_1201.png);
}

.what_svg {
  display: none;
  width: 1200px;
  height: 700px;
}
/* -------------------------------------- */

/* WHERE PAGE CSS ------------------------- */
#where_w1 {
  height:auto;
  padding-block: 4rem;
  display: grid;
  place-items: center;
  position: relative;
}
#where_w1 .where1 {
  grid-area: 1 / 1 / span 2 / span 1;
}
#where_w1 .where1 img {
  content: url(images/site1.png);
}
#where_w1 .where2 {
  grid-area: 1 / 2 / span 1 / span 2;
}
#where_w1 .where2 img {
  content: url(images/site2.png);
}
#where_w1 .where3 {
  grid-area: 2 / 3 / span 1 / span 1;
}
#where_w1 .where3 img {
  content: url(images/site3.png);
}
#where_w1 .where4 {
  grid-area: 3 / 1 / span 1 / span 2;
}
#where_w1 .where4 img {
  content: url(images/site4.png);
}
#where_w1 .where5 {
  grid-area: 3 / 3 / span 1 / span 1;
}
#where_w1 .where5 img {
  content: url(images/site5.png);
}
#where_w1 .where_text {
  display: grid;
  place-content: center;
  color: #fff;
  font-size: 2rem;
  font-weight: 600;
  padding: 3rem;
  text-align: center;
}
#where_w1 .where_mobiletext {
  display: none;
}
.where_subtitle1 {
  color: #fff;
  font-size: 1.87rem;
  font-weight: 900;
  text-align: left;
  text-shadow: 3px 3px rgb(16, 16, 16);
}
.where_subtitle2 {
  color: #fff;
  font-size: 1.12rem;
  font-weight: 500;
  text-align: left;
  text-shadow: 2px 2px rgb(32, 32, 32);
}
.where1 .where_subtitle1 {
  position: absolute;
  top: 1.5rem;
  left: 40px;
  width: 300px;
}
.where1 .where_subtitle2 {
  position: absolute;
  top: 5rem;
  left: 40px;
  width: 300px;
}
.where2 .where_subtitle1 {
  position: absolute;
  top: 1.5rem;
  left: 40px;
  width: 300px;
}
.where2 .where_subtitle2 {
  position: absolute;
  top: 5rem;
  left: 40px;
  width: 500px;
}
.where3 .where_subtitle1 {
  position: absolute;
  top: 1.5rem;
  left: 40px;
  width: 300px;
}
.where3 .where_subtitle2 {
  position: absolute;
  top: 5rem;
  left: 40px;
  width: 300px;
}
.where4 .where_subtitle1 {
  position: absolute;
  top: 1.5rem;
  left: 40px;
  width: 300px;
}
.where4 .where_subtitle2 {
  position: absolute;
  top: 5rem;
  left: 40px;
  width: 500px;
}
.where5 .where_subtitle1 {
  position: absolute;
  top: 1.5rem;
  left: 40px;
  width: 300px;
}
.where5 .where_subtitle2 {
  position: absolute;
  top: 5rem;
  left: 40px;
  width: 300px;
}

#where_w1 .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 1.2rem;
  width: 1200px;
}

.where_hashtags {
  position: absolute;
  left: 1.87rem;
  display: grid;
  grid-gap: 1rem;
}
.where_hashtag {
  color: #fff;
  background-color: #000;
  border-radius: 1rem;
  align-content: center;
  text-align: center;
  height: 2.31rem;
  min-width: 6.37rem;
  font-size: 1rem;
  font-weight: 500;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}
/* -------------------------------------- */
/* CUST PAGE CSS ------------------------- */
#cust {
  height: auto;
  margin-top: 10rem;
}
#cust .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
#cust .video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
}
#cust video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
/* -------------------------------------- */
/* CUST-MENU PAGE CSS ------------------------- */
#choice {
  padding-block: 4rem;
  text-align: -webkit-center;
  height: 50rem;
  background-color: #fff;
}
#choice .menu {
  width: 871px;
  height: 96px;
  border-radius: 50px;
  margin-top: -7rem;
  padding-left: 10px;
  padding-right: 10px;
  background-color: var(--default-background);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.menu_btn {
  border-radius: 38px;
  font-size: 22px;
  font-weight: 600;
  width: 212px;
  height: 76px;
  z-index: 1;
  margin: 0;
  position: relative;
  overflow: hidden;
}
.menu_btn:hover {
  opacity: 1;
  color: #fff;
  transition-property: color;
  cursor: pointer;
}
.menu_btn .opened {
  opacity: 1;
  color: #5abd78;
  transition-property: color;
}
.menu_btn_txt {
  position: absolute;
  inset: 0;
  color: #fff;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2rem;
  z-index: 1;
}
.menu_btn_txt::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, #ce00ff, #ff2727);
  z-index: -1;
  opacity: 0;
  cursor: pointer;
}
.menu_btn:hover .menu_btn_txt::before {
  opacity: 1;
  color: #fff;
  transition-property: opacity;
}
.menu_btn,
.menu_btn:hover,
.menu_btn_txt::before {
  transition-duration: var(--def-transition-duration);
  transition-timing-function: ease-in-out;
}
.opened {
  background: linear-gradient(45deg, #ce00ff, #ff2727);
  color: #fff;
}

/* CAROUSEL */
.carousels {
  position: relative;
  width: 100%;
  max-width: 1000px;
}
.carousel-container {
  position: relative;
  width: 100%;
  margin: 1rem;
  overflow: hidden;
  height: 45rem;
}
.carousel-title {
  display: none;
}
.carousel1 {
  display: none;
  transition: transform 0.5s ease-in-out;
}
.carousel2 {
  display: none;
  transition: transform 0.5s ease-in-out;
}
.carousel3 {
  display: none;
  transition: transform 0.5s ease-in-out;
}
.carousel4 {
  display: none;
  transition: transform 0.5s ease-in-out;
}

.carousel-item {
  flex: 0 0 100%;
  height: 45rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.carousel-img {
  width: 46rem
}

.carousel-button {
  position: absolute;
  display: flex;
  top: 0;
  bottom: 0;
  margin: auto;
  height: 4rem;
  background-color: white;
  border: none;
  width: 2rem;
  font-size: 3rem;
  padding: 0;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 100ms;
}

.carousel-button:hover,
.carousel-button:focus {
  opacity: 1;
}

.carousel-button.prev {
  left: 0;
  padding-left: 0.25rem;
  border-radius: 0 2rem 2rem 0;
}

.carousel-button.next {
  right: 0;
  padding-right: 0.75rem;
  border-radius: 2rem 0 0 2rem;
}

/* -------------------------------------- */
/* POSITIVE PAGE CSS ------------------------- */
#positive {
  height: auto;
  margin-top: 10rem;
}
#positive .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
#positive .positive_item {
  display: grid;
  grid-gap: 0rem;
  grid-auto-columns: min-content;
  margin-bottom: 1.4rem;
}
#positive .positive_icon {
  grid-area: 1 / 1 / span 2 / span 1;
  padding-right: 2rem;
  align-content: center;
}
#positive .title1 {
  grid-area: 1 / 2 / span 1 / span 1;
  color: #fff;
  font-size: 3.75rem;
  font-weight: 600;
  padding: 0rem;
  width: 42.5rem;
}
#positive .title2 {
  grid-area: 2 / 2 / span 1 / span 1;
  color: #fff;
  font-size: 1.25rem;
  font-weight: 600;
  padding: 0rem;
}
/* -------------------------------------- */
/* CONTACT PAGE CSS ------------------------- */
#slide {
  height: auto;
  margin-top: 20rem;
  margin-bottom: 20rem;
}

#slide .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
#slide .slide_text1 {
  color: #fff;
  font-size: 4.87rem;
  font-weight: 600;
  padding: 0rem;
}
#slide .slide_text2 {
  color: #fff;
  font-size: 4.87rem;
  font-weight: 600;
  padding: 0rem;
  margin-bottom: 2rem;
}
#slide .slide_text3 {
  color: #fff;
  font-size: 1.5rem;
  font-weight: 500;
  padding: 0rem;
  margin-bottom: 6rem;
  text-align: center;
  max-width: 360px;
}
#slide video-div {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
}
#slide video {
  width: 100%;
}

/* -------------------------------------- */
/* PORTFOLIO PAGE CSS ------------------------- */
#portfolio {
  margin-top: 10rem;
  height: 70rem; /* 이부분은 auto로 하면 안된, 내부 컨텐트가 absolute 임*/
}
#portfolio .portfolio_title {
  color: #fff;
  font-size: 5rem;
  font-weight: 600;
  margin-bottom: 3rem;
}
#portfolio .container {
  position: relative;
}
#portfolio .image-wrapper {
  position: absolute;
  display: inline-block;
}
#portfolio .portfolio-image {
  max-width: 100%;
}
#portfolio .image-wrapper:nth-child(1) {
  top: 0rem; left: 0rem;
}
#portfolio .image-wrapper:nth-child(2) {
  top: 23.5rem; left: 0rem;
}
#portfolio .image-wrapper:nth-child(3) {
  top: 0rem; left: 22rem;
}
#portfolio .image-wrapper:nth-child(4) {
  top: 0rem; left: 40rem;
}
#portfolio .image-wrapper:nth-child(5) {
  top: 17.8rem; left: 40rem;
}
#portfolio .image-wrapper:nth-child(6) {
  top: 17.8rem; left: 56.8rem;
}
#portfolio .image-wrapper:nth-child(7) {
  top: 34.8rem; left: 22rem;
}
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 21px;
}
.portfolio-shadow {
  position: absolute;
  top: 37rem;
}
/* -------------------------------------- */
/* CONTACT PAGE CSS ------------------------- */
#contact {
  height: auto;
  margin-top: 20rem;
  margin-bottom: 20rem;
}

#contact .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
#contact .contact_text1 {
  color: #fff;
  font-size: 4.87rem;
  font-weight: 600;
  padding: 0rem;
}
#contact .contact_text2 {
  color: #fff;
  font-size: 4.87rem;
  font-weight: 600;
  padding: 0rem;
  margin-bottom: 2rem;
}
#contact .contact_text3 {
  color: #fff;
  font-size: 2rem;
  font-weight: 500;
  padding: 0rem;
  margin-bottom: 6rem;
}
/* -------------------------------------- */
/* BOTTOM PAGE CSS ------------------------- */
#footer {
  height: 10rem;
  background-color: #1e1e1e;
  padding-left: 1rem;
  padding-right: 1rem;
}
#footer .container {
  margin: auto;
  max-width: 1200px;
  height: 10rem;
  padding-top: 3.8rem;
}
.pb_rows {
  display: flex;
  justify-content: space-between;
}
/* -------------------------------------- */

/* Lenis CSS */
html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

.lenis.lenis-smooth iframe {
  pointer-events: none;
}

/* ####################################################################### */
/* ####################################################################### */
/* ####################################################################### */
/* ####################################################################### */

/* 반응형 디자인을 위한 미디어 쿼리 */
@media screen and (max-width: 1200px) {
  section {
    max-width: 95%;
  }

  /* WHAT */
  #what .what-stext.what_ko img {
    content: url(images/what/what_ko_769.png);
  }
  #what .what-stext.what_en img {
    content: url(images/what/what_en_769.png);
  }
  #what .what-stext.what_th img {
    content: url(images/what/what_th_769.png);
  }
  #what .what-stext.what_ja img {
    content: url(images/what/what_ja_769.png);
  }
  
    /* WHERE  */
    #where_w1 {
      padding-block: 4rem;
      position: relative;
    }
    #where_w1 .container {
      width: 100%;
      margin-top: 10rem;
      display: flex;
      flex-direction: column;
    }
    #where_w1 .where_image img {
      max-width: 28rem;
      width: 31rem;
    }
    #where_w1 .where1 {
      text-align: center;
    }
    #where_w1 .where1 img {
      content: url(images/site1m.png);
    }
    #where_w1 .where2 {
      text-align: center;
    }
    #where_w1 .where2 img {
      content: url(images/site2m.png);
    }
    #where_w1 .where3 {
      text-align: center;
    }
    #where_w1 .where3 img {
      content: url(images/site3m.png);
    }
    #where_w1 .where4 {
      text-align: center;
    }
    #where_w1 .where4 img {
      content: url(images/site4m.png);
    }
    #where_w1 .where5 {
      text-align: center;
    }
    #where_w1 .where5 img {
      content: url(images/site5m.png);
    }
    #where_w1 .where_text {
      display: none;
    }
    #where_w1 .where_mobiletext {
      display: block;
      place-content: center;
      color: #fff;
      font-size: 2rem;
      font-weight: 600;
      padding: 3rem;
      text-align: center;
    }
    .where1 .where_subtitle1 {
      position: absolute;
      top: 1.5rem;
      left: calc(50% - 168px);
      width: 300px;
    }
    .where1 .where_subtitle2 {
      position: absolute;
      top: 5rem;
      left: calc(50% - 168px);
      width: 300px;
    }
    .where2 .where_subtitle1 {
      position: absolute;
      top: 1.5rem;
      left: calc(50% - 168px);
      width: 300px;
    }
    .where2 .where_subtitle2 {
      position: absolute;
      top: 5rem;
      left: calc(50% - 168px);
      width: 300px;
    }
    .where3 .where_subtitle1 {
      position: absolute;
      top: 1.5rem;
      left: calc(50% - 168px);
      width: 300px;
    }
    .where3 .where_subtitle2 {
      position: absolute;
      top: 5rem;
      left: calc(50% - 168px);
      width: 300px;
    }
    .where4 .where_subtitle1 {
      position: absolute;
      top: 1.5rem;
      left: calc(50% - 168px);
      width: 300px;
    }
    .where4 .where_subtitle2 {
      position: absolute;
      top: 5rem;
      left: calc(50% - 168px);
      width: 300px;
    }
    .where5 .where_subtitle1 {
      position: absolute;
      top: 1.5rem;
      left: calc(50% - 168px);
      width: 300px;
    }
    .where5 .where_subtitle2 {
      position: absolute;
      top: 5rem;
      left: calc(50% - 168px);
      width: 300px;
    }
    
    #where_w1 .where_hashtags {
      display: none;
    }

  /* CUST #################################################### */
  #cust {
    height: auto;
    margin-top: 8rem;
    border: px solid yellow;
  }

  /* CHOICE ################################################### */
  #choice {
    border: 0px solid rgb(150, 17, 239);
    padding-block: 0rem;
    text-align: -webkit-center;
    height: auto;
    background-color: #fff;
  }
  #choice .menu {
    display: none;
  }
  /* CAROUSEL */
  .carousels {
    border: 0px solid rgb(240, 172, 44);
    position: relative;
    width: 100%;
    max-width: 1000px;
    padding-top: 4rem;
  }
  .carousel-container {
    border: 0px solid rgb(44, 220, 240);
    position: relative;
    width: 100%;
    margin: 0rem;
    overflow: hidden;
    height: 130rem;
  }
  .carousel-title {
    color: #fff;
    background: linear-gradient(45deg, #ce00ff, #ff2727);
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-radius: 38px;
    font-size: 22px;
    font-weight: 600;
    width: 12rem;
    height: 4rem;
    margin: 2rem;
  }
  .carousel1 {
    display: flex;
    transition: transform 0.5s ease-in-out;
    border: 0px solid rgb(0, 0, 0);
  }
  .carousel2 {
    display: flex;
    transition: transform 0.5s ease-in-out;
    border: 0px solid rgb(3, 3, 3);
  }
  .carousel3 {
    display: flex;
    transition: transform 0.5s ease-in-out;
    border: 0px solid rgb(0, 0, 0);
  }
  .carousel4 {
    display: flex;
    transition: transform 0.5s ease-in-out;
    border: 0px solid rgb(0, 0, 0);
  }
  .carousel-item {
    flex: 0 0 100%;
    height: 24rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border: 0px solid rgb(31, 233, 45);
  }
  .carousel-img {
    border: 0px solid rgb(31, 233, 45);
    width: 27rem
  }
  .carousel-button {
    display: none;
  }

  /* POSITIVE ################################################### */
  #positive {
    height: auto;
  }
  #positive .positive_logo {
    width: 5rem;
  }
  #positive .positive_item {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 5rem;
  }
  #positive .positive_icon {
    grid-area: unset;
    padding-right: 0;
    margin-bottom: 1rem;
  }
  #positive .title1 {
    grid-area: unset;
    text-align: center;
    font-size: 2.2rem;
    font-weight: 600;
    padding: 0rem;
    width: 100%;
    margin-bottom: 0.5rem;
  }
  #positive .title2 {
    grid-area: unset;
    text-align: center;
    font-size: 1rem;
    font-weight: 400;
    width: 17rem;
    padding: 0rem;
  }

  /* PORTFOLIO #################################################### */
  #portfolio {
    height: 140rem;
  }
  #portfolio .portfolio_title {
      margin-top: 10rem;
    font-size: 3rem;
    text-align: center;
  }
  #portfolio .image-wrapper {
    position: static;
    text-align: center;
    width: 100%;
  }
  #portfolio .image-wrapper img{
    width: 100%;
    max-width: 28rem;
  }
  #portfolio .image-subwrapper {
    width: 100%;
    max-width: 100%;
    display: inline-block;
  }   
  #portfolio .overlay {
    display: none;
  }
  #portfolio .portfolio-shadow {
    display: none;
  }
  #portfolio .image-wrapper:nth-child(1) img {
    content: url(images/pf_m01.png);
  }
  #portfolio .image-wrapper:nth-child(2) img {
    content: url(images/pf_m02.png);
  }
  #portfolio .image-wrapper:nth-child(3) img {
    content: url(images/pf_m03.png);
  }
  #portfolio .image-wrapper:nth-child(4) img {
    content: url(images/pf_m04.png);
  }
  #portfolio .image-wrapper:nth-child(5) img {
    content: url(images/pf_m05.png);
  }
  #portfolio .image-wrapper:nth-child(6) img {
    content: url(images/pf_m06.png);
  }
  #portfolio .image-wrapper:nth-child(7) img {
    content: url(images/pf_m07.png);
  }

  /* WHAT */
  .what_svg {
    border: 0px solid red;
    width: 700px;
    height: 450px;
  }
  
  #where_w1 .container {
    width: 100%;
  }

  /* SLIDE */
  #slide .slide_text1,
  #slide .slide_text2 {
    font-size: 4rem;
  }
  #slide .slide_text3 {
    font-size: 1.5rem;
  }
  
}

/* ####################################################################### */
/* ####################################################################### */
/* ####################################################################### */
/* ####################################################################### */

@media screen and (max-width: 768px) {
  
  body {
    overflow-x: hidden;
  }

  /* WHAT */
  #what {
    height: fit-content;
    margin-top: 12rem;
    margin-bottom: 12rem;
  }

  #what .what-stext.what_ko img {
    content: url(images/what/what_ko_481.png);
  }
  #what .what-stext.what_en img {
    content: url(images/what/what_en_481.png);
  }
  #what .what-stext.what_th img {
    content: url(images/what/what_th_481.png);
  }
  #what .what-stext.what_ja img {
    content: url(images/what/what_ja_481.png);
  }
  
  #what .what-stext {
    width: 90%;
  }
  #what .what-stext .what_ko {
    display: none;
  }
  #what .what-stext .what_en {
    display: none;
  }
  #what .what-stext .what_th {
    display: none;
  }
  #what .what-stext .what_ja {
    display: none;
  }

  .nav-links {
    position: fixed;
    right: 0px;
    height: 100vh;
    top: 0;
    background-color: #000000c6;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: start;
    width: 50%;
    transform: translateX(100%);
    transition: transform 0.5s ease-in;
    padding-top: 8vh;
  }
  .nav-links li {
    opacity: 0;
    margin-bottom: 4rem;
  }

  .language-selector {
    position: fixed;
    right: 0px;
    height: 100vh;
    top: 0;
    background-color: #242424;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: start;
    width: 30%;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform 0.5s ease-in;
    padding-top: 8rem;
    margin-top: 0;
    border-radius: 0px;
    z-index: 1000;
  }

  header ul>img:first-child {
    margin-right: 0;
  }

  header ul>img:not(:first-child) {
    display: none;
  }

  header .lang-btn.active img {
    filter: drop-shadow(0 0 0.75rem rgb(243, 202, 210));
  }

  .burger {
      display: block;
      z-index: 1100;
  }

  .start-subtitle {
    width: 90%;
  }

  #choice .menu {
    width: 95%;
    flex-wrap: wrap;
    height: auto;
    padding: 10px;
  }

  .menu_btn {
    width: 45%;
    margin-bottom: 10px;
  }

  #portfolio .portfolio_title {
    font-size: 3rem;
  }

  /* SLIDE */
  #slide .slide_text1,
  #slide .slide_text2 {
    font-size: 3rem;
  }
  #slide .slide_text3 {
    font-size: 1.5rem;
  }

  #contact .contact_text1,
  #contact .contact_text2 {
    font-size: 3rem;
  }

}

/* ####################################################################### */
/* ####################################################################### */
/* ####################################################################### */
/* ####################################################################### */
@media screen and (max-width: 480px) {
  html {
    font-size: 14px;
  }
  section {
    position: relative;
    border: 0px solid red;
    margin: auto;
    max-width: 1200px;
  }

  /* START ################################################## */
  .start-text {
    width: 70%;
  }
  .start-title {
    margin-top: 8rem;
    height: 5rem;
  }
  .start-picsome {
    height: 26.4rem;
  }
  .picsome-text1 {
    margin-top: 4rem;
  }

  /* WHAT */
  #what {
    height: fit-content;
    margin-top: 10rem;
    margin-bottom: 10rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  #what .what-stext.what_ko img {
    content: url(images/what/what_ko_400.png);
  }
  #what .what-stext.what_en img {
    content: url(images/what/what_en_400.png);
  }
  #what .what-stext.what_th img {
    content: url(images/what/what_th_400.png);
  }
  #what .what-stext.what_ja img {
    content: url(images/what/what_ja_400.png);
  }  

  /* SLIDE */
  #slide .slide_text1,
  #slide .slide_text2 {
    font-size: 2.5rem;
  }
  #slide .slide_text3 {
    font-size: 1.5rem;
  }

  /* CONTACT */
  #contact {
    margin-top: 14rem;
    margin-bottom: 16rem;
  }

  #contact .contact_text1,
  #contact .contact_text2 {
    font-size: 2.5rem;
  }

  #contact .contact_text3 {
    font-size: 1.5rem;
    width: 90%;
    text-align: center;
  }
}

.nav-active {
  transform: translateX(0%);
}

@keyframes navLinkFade {
  from {
      opacity: 0;
      transform: translateX(50px);
  }
  to {
      opacity: 1;
      transform: translateX(0px);
  }
}

.toggle .line1 {
  transform: rotate(-45deg) translate(-5px,6px);
}

.toggle .line2 {
  opacity: 0;
}

.toggle .line3 {
  transform: rotate(45deg) translate(-5px,-6px);
}

.menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  z-index: 999;
}

.display-none {
  display: none;
}
.display-block {
  display: block;
}