@charset "UTF-8";

#mainImage01:has(+#content .seminar) {
  position: relative;
}

.seminarTtl {
  font-weight: 500;
  text-align: center;
  letter-spacing: .06em;
}

.seminarInner {
  position: relative;
  margin-left: auto;
  margin-right: auto;
  overflow: hidden;
  aspect-ratio: 1920/1080;
}

.seminarVideo {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.seminarBtn {
  margin: auto;
}


@media screen and (min-width:769px) {
  .seminarBox {
    padding: 70px 0 85px;
  }

  .seminarTtl {
    margin-bottom: 40px;
    font-size: 45px;
  }

  .seminarInner {
    width: 1004px;
    border-radius: 17px;
  }
  .seminarBtn {
    margin-top: 72px;
  }
}

@media screen and (max-width:768px) {
  .seminarBox {
    padding: 32px 0 40px;
  }

  .seminarTtl {
    margin-bottom: 12px;
    font-size: 20px;
  }

  .seminarTtl span {
    display: block;
  }

  .seminarInner {
    width: calc(100% - 40px);
    border-radius: 8px;
  }
  .seminarBtn {
    margin-top: 40px;
  }
}