#introduction {
  box-sizing: border-box;
  display: grid;
  place-items: center;
  gap: 100px;
}

#introduction img {
  width: auto;
  margin-top: 20px;
}

.introduction__container_1,
.introduction__container_2 {
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 120px;
  text-align: start;
}

.introduction__text {
  display: flex;
  justify-content: center;
  align-items: center;
  text-wrap: nowrap;
}

.introduction__title {
  color: #2f2f2f;
  font-size: 40px;
  font-weight: 800;
  line-height: normal;
  margin-bottom: 60px;
}

.introduction__container_1 p,
.introduction__container_2 p {
  color: #aaa;
  font-size: 36px;
  font-weight: 700;
  line-height: 60px;
}
.sticky-elem {
  will-change: transform, opacity;
  transition: opacity 0.5s ease-in-out;
}

.introduction__container_1,
.introduction__container_2 {
  opacity: 0; /* 초기 상태는 보이지 않도록 설정 */
  transform: translateY(50px); /* 스크롤 전 위치 */
}

.introduction__container_1.active,
.introduction__container_2.active {
  opacity: 1;
  transform: translateY(0px); /* 최종 위치 */
}

@media (max-width: 1350px) and (min-width: 1025px) {
  #introduction {
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
}
/* 태블릿 (768px ~ 1024px) */
@media (max-width: 1024px) and (min-width: 769px) {
  #introduction {
    /* padding: 120px 520px; */
    height: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
}

@media (max-width: 768px) {
  #introduction {
    display: flex;
    padding: 60px 65px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 100px;
    flex-shrink: 0;
  }

  .introduction__container_1,
  .introduction__container_2 {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 56px;
    text-align: start;
  }
  .introduction__container_1 .introduction__text {
    padding-left: 15px;
  }
  .introduction__title {
    margin-bottom: 17px;
    font-size: 28px;
  }

  .introduction__container_1 p,
  .introduction__container_2 p {
    font-size: 24px;
    line-height: 40px;
  }
  #introduction img {
    width: 100%;
    max-width: 260px;
  }
}