section.intro {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100vh;
  background-color: #000;
  padding-top: 190px;
}
.intro-main {
  display: flex;
  justify-content: center;
}
.intro-text-area {
  max-width: 1440px;
  padding: 220px 0;
}
.intro-text-area > h2 {
  font-family: "Pretendard";
  font-size: 195px;
  font-weight: 700;
  line-height: 210px;
  text-align: left;
  color: #3d3d3d;
}
.intro-text-area > h2 > span {
  color: #fff;
}
.intro-text-area > h3 {
  color: #fff;
  font-family: "Pretendard";
  font-size: 50px;
  font-weight: 700;
  line-height: 59.67px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
  margin-top: 100px;
  margin-bottom: 50px;
}
.intro-text-area > p {
  color: #fff;
  font-family: "Pretendard";
  font-size: 22px;
  font-weight: 400;
  line-height: 36px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
}
section.intro-bg {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: #000;
}
.intro-bg-area {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  background: url(/image/site/intro_bg.png);
  background-repeat: no-repeat;
  padding: 230px 0;
}
.intro-bg-left {
  width: 50%;
  height: 100%;
}
.intro-bg-text {
  width: 50%;
  padding-left: 7%;
  color: #fff;
}
.intro-bg-text > h3 {
  font-family: "Pretendard";
  font-size: 32px;
  font-weight: 700;
  line-height: 38.19px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
  margin-top: 60px;
  margin-bottom: 30px;
}
.intro-bg-text > p {
  width: 700px;
  font-family: "Pretendard";
  font-size: 22px;
  font-weight: 400;
  line-height: 36px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
}
.intro-door {
  position: relative;
  width: 100%;
  height: 100%;
  background-color: #000;
  padding: 200px 0;
}
.intro-door .inner {
  width: 100%;
  max-width: 1600px;
}
.door-area {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.door-list {
  position: relative;
  width: 360px;
  height: 835px;
  overflow: hidden;
  transition: ease-in-out 4s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.door-list p {
  color: #fff;
  font-family: "Pretendard";
  font-size: 46px;
  font-weight: 700;
  line-height: 54.89px;
  text-align: center;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
}
.door-list {
  overflow: hidden;
  perspective: 1000px; /* 3D 효과를 위한 원근감 추가 */
  box-sizing: border-box;
}
.door-list img {
  width: 100%;
  object-fit: cover;
  transition: transform 0.6s ease, box-shadow 0.6s ease;
  transform-origin: left center;
  /* border:10px solid #fff; */
}
.list-01:hover img,
.list-02:hover img,
.list-03:hover img,
.list-04:hover img {
  /* transform: rotateY(25deg);
  box-shadow: -50px 0px 30px rgba(0, 0, 0, 0.5); */
}
.layer {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 999;
  transition: ease 0.8s;
  background-color: rgba(0, 0, 0, 0.7);
  opacity: 1;
  /* transition: transform 0.6s ease, box-shadow 0.6s ease; */
  transform-origin: left center;
}
.door-list:hover .layer {
  transition: ease 0.8s;
  background-color: rgba(0, 0, 0, 0);
  transform: rotateY(25deg);
  box-shadow: 100px -100px 50px 100px rgba(0, 0, 0, 0.7),
    100px 100px 50px 100px rgba(0, 0, 0, 0.7);
}
.door-list:hover .layer p {
  opacity: 0;
  transition: ease 0.8s;
}
.intro-sns {
  color: #fff;
  background-color: #000;
  padding: 100px 350px;
  text-align: center;
  padding-bottom: 350px;
}
.intro-sns h2 {
  font-family: "Pretendard";
  font-size: 50px;
  font-weight: 700;
  line-height: 59.67px;
  text-align: center;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
}
.intro-sns p {
  margin: 0 auto;
  max-width: 1100px;
  margin-top: 50px;
  margin-bottom: 60px;
  font-family: "Pretendard";
  font-size: 22px;
  font-weight: 400;
  line-height: 36px;
  text-align: center;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
}
.sns-area {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
}
.sns-area a {
  padding: 25px 44px;
  border: 1px solid #fff;
  font-family: "Pretendard";
  font-size: 20px;
  font-weight: 700;
  line-height: 23.87px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.sns-area a img {
  width: 24px;
  height: 24px;
}

@media screen and (max-width: 1024px) {
  section.intro {
    padding-top: 150px;
  }
  .intro-text-area {
    width: 100%;
    padding: 0 30px;
    padding-bottom: 50px;
  }
  .intro-text-area > h2 {
    font-size: 48px;
    line-height: 52px;
  }
  .intro-text-area > h3 {
    font-size: 28px;
    line-height: 32px;
    margin-top: 50px;
  }
  .intro-text-area > p {
    font-size: 18px;
    line-height: 28px;
  }
  .intro-bg-area {
    padding: 30px;
    height: 100%;
    background-size: cover;
    flex-direction: column;
  }
  .intro-bg-text {
    width: 100%;
    padding-left: 0;
  }
  .intro-bg-text > h3 {
    font-size: 28px;
    line-height: 32px;
  }
  .intro-bg-text > p {
    width: 100%;
    font-size: 18px;
    line-height: 28px;
  }
  .intro-door {
    padding: 50px 0;
  }
  .door-area {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .door-list {
    width: 100%;
    height: 350px;
  }
  .door-list p {
    font-size: 24px;
    line-height: 28px;
  }
  .intro-sns {
    padding: 0 30px;
    padding-bottom: 50px;
  }
  .intro-sns h2 {
    font-size: 22px;
    line-height: 32px;
  }
  .intro-sns p {
    margin-top: 20px;
    margin-bottom: 30px;
    font-size: 18px;
  }
  .sns-area a {
    font-size: 14px;
    padding: 12px 12px;
  }
  .sns-area a img {
    width: 20px;
    height: 20px;
  }
}