.simulation-section-1 {
  width: 100%;
  height: 100vh;
  background: url(../img/Frame\ 65.webp) no-repeat center / cover;
  background-attachment: fixed;
}

.simulation-section-1 .inner {
  position: relative;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.simulation-section-1 .simulation-main-title {
  text-align: center;
  color: var(--white);
  font-family: var(--kor);
}

.simulation-main-title h3 {
  font-family: var(--eng);
  font-size: 90px;
  margin-bottom: 16px;
}

.simulation-main-title span {
  font-size: 24px;
  font-weight: lighter;
}

.simulation-main-title .divide-line {
  width: 86px;
  height: 2px;
  background-color: var(--white);
  margin: 36px auto;
}

.simulation-main-title p {
  font-size: 28px;
  font-weight: 100;
  color: rgba(255, 255, 255, 0.8);
  line-height: 36px;
  text-align: center;
}

/* --------------------contact-section-1-end-------------------- */

.simulation-section {
  padding: 140px 0;
}

.simulation-section .simulation-txt-container {
  text-align: center;
  font-family: var(--kor);
}

.simulation-section .simulation-txt-container h2 {
  font-size: 40px;
  font-weight: bold;
  border-bottom: 1px solid #c7c7c7;
  padding-bottom: 24px;
  margin-bottom: 24px;
}

.simulation-section .simulation-txt-container p {
  font-size: 24px;
  color: var(--textDefault);
}

.simulation-video {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  max-width: 100%;
  margin-top: 6%;
}

.simulation-video {
  display: flex;
  justify-content: center; /* 자식 요소인 비디오를 가로 중앙에 배치 */
}

.simulation-video iframe {
  position: absolute;
  top: 0;
  left: 7%;
  width: 85%;
  height: 85%;
}

.simulation-section-5 iframe {
  height: 100%;
}

/* --------------------responsive-------------------- */
/* 스마트폰 크기 */
@media only screen and (max-width: 480px) {
  .simulation-main-title h3 {
    font-family: var(--eng);
    font-size: 40px;
    margin-bottom: 16px;
  }

  .simulation-main-title span {
    font-size: 20px;
    font-weight: lighter;
  }

  .simulation-main-title p {
    font-size: 18px;
    line-height: 24px;
  }
  /* simulation-section-1 */

  .simulation-section {
    padding: 60px 0;
  }

  .simulation-section .simulation-txt-container h2 {
    font-size: 30px;
    font-weight: bold;
    border-bottom: 1px solid #c7c7c7;
    padding-bottom: 24px;
    margin-bottom: 24px;
  }

  .simulation-section .simulation-txt-container p {
    font-size: 20px;
    line-height: 26px;
    color: var(--textDefault);
  }
}

/* 태블릿 세로 모드 크기 */
@media only screen and (min-width: 481px) and (max-width: 768px) {
  .simulation-main-title h3 {
    font-family: var(--eng);
    font-size: 50px;
    margin-bottom: 16px;
  }

  .simulation-main-title span {
    font-size: 22px;
    font-weight: lighter;
  }

  .simulation-main-title p {
    font-size: 18px;
    line-height: 24px;
  }
  /* simulation-section-1 */

  .simulation-section {
    padding: 80px 0;
  }
  .simulation-section .simulation-txt-container h2 {
    font-size: 30px;
    font-weight: bold;
    border-bottom: 1px solid #c7c7c7;
    padding-bottom: 24px;
    margin-bottom: 24px;
  }

  .simulation-section .simulation-txt-container p {
    font-size: 20px;
    line-height: 26px;
    color: var(--textDefault);
  }
}