@import url("https://fonts.googleapis.com/css2?family=DotGothic16&display=swap");
@media print, screen and (min-width: 769px) {
  .sp {
    display: none !important;
  }
}

@media screen and (max-width: 768px) {
  .pc {
    display: none !important;
  }
}

#opencampus {
  font-family: "DotGothic16", sans-serif;
  font-weight: 400;
  font-style: normal;
  background: url(/department/data_science/img/oc2025/oc_bg1.png) center top repeat-y;
  background-size: 100%;
  position: relative;
  z-index: 1;
}
#opencampus::before {
  content: "";
  display: block;
  width: 100%;
  background: url(/department/data_science/img/oc2025/oc_bg2.png) center no-repeat;
  background-size: cover;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: -1;
}
@media print, screen and (min-width: 769px) {
  #opencampus::before {
    height: 380px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus::before {
    height: 68vw;
  }
}
#opencampus * {
  box-sizing: border-box;
}
#opencampus img {
  vertical-align: bottom;
}
@media print, screen and (min-width: 769px) {
  #opencampus {
    margin-top: 160px;
    padding-top: 66px;
    padding-bottom: 70px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus {
    margin-top: 32vw;
    padding-top: 5.3333333333vw;
    padding-bottom: 10.6666666667vw;
  }
}
#opencampus .c_section__inner {
  margin: auto;
  position: relative;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner {
    max-width: 1350px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner {
    width: 92vw;
  }
}
#opencampus .c_section__inner .c_section__contents {
  display: flex;
  padding: 0;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents {
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-end;
    gap: 40px 60px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents {
    flex-direction: column;
    align-items: center;
    padding: 8vw 0;
    gap: 21.3333333333vw;
  }
}
#opencampus .c_section__inner .c_section__contents .logo {
  position: absolute;
  z-index: 2;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .logo {
    top: -150px;
    left: 50%;
    transform: translateX(-121.5%);
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .logo {
    top: -45.3333333333vw;
    left: 0;
  }
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .logo img {
    width: 525px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .logo img {
    width: 65.3333333333vw;
  }
}
#opencampus .c_section__inner .c_section__contents h3 {
  line-height: 1;
  position: relative;
  z-index: 3;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents h3 {
    margin-left: 340px;
  }
}
#opencampus .c_section__inner .c_section__contents h3 img {
  vertical-align: bottom;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents h3 img {
    width: 590px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents h3 img {
    width: 90%;
  }
}
#opencampus .c_section__inner .c_section__contents h3::after {
  content: "";
  display: block;
  background: url(/department/data_science/img/oc2025/oc_catch_student.png) center top no-repeat;
  background-size: contain;
  position: absolute;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents h3::after {
    width: 193.5px;
    height: 291.5px;
    right: -90px;
    bottom: -151px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents h3::after {
    width: 25.8vw;
    height: 38.8666666667vw;
    right: 1.3333333333vw;
    bottom: -25.4666666667vw;
  }
}
#opencampus .c_section__inner .c_section__contents > div {
  position: relative;
  filter: drop-shadow(0 20px 10px rgba(119, 133, 142, 0.4));
}
#opencampus .c_section__inner .c_section__contents > div h4,
#opencampus .c_section__inner .c_section__contents > div p {
  position: absolute;
}
#opencampus .c_section__inner .c_section__contents > div .balloon {
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  transform: translateY(50%);
  opacity: 0;
  transition: all 0.4s ease-in-out;
}
#opencampus .c_section__inner .c_section__contents > div .balloon.is-active {
  transform: translateY(0);
  opacity: 1;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents > div .balloon p {
    padding-bottom: 12px;
    font-size: 17px;
    line-height: 25px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents > div .balloon p {
    padding-bottom: 1.6vw;
    font-size: 2.2666666667vw;
    line-height: 3.3333333333vw;
  }
}
#opencampus .c_section__inner .c_section__contents .opencampus_section1 {
  background: url(/department/data_science/img/oc2025/sec1_body.png) center top no-repeat;
  background-size: contain;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 {
    width: 658px;
    height: 772px;
    border-radius: 15px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 {
    margin-top: -5.3333333333vw;
    width: 87.7333333333vw;
    height: 102.9333333333vw;
    border-radius: 2vw;
  }
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 h4 {
    top: -48px;
    left: -54px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 h4 {
    top: -6.4vw;
    left: -7.2vw;
  }
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 h4 img {
    width: 387px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 h4 img {
    width: 51.6vw;
  }
}
#opencampus .c_section__inner .c_section__contents .opencampus_section1 .balloon1 {
  background: url(/department/data_science/img/oc2025/sec1_balloon1.png) center no-repeat;
  background-size: contain;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 .balloon1 {
    top: 136px;
    left: 175px;
    width: 184px;
    height: 109px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 .balloon1 {
    top: 18.1333333333vw;
    left: 23.3333333333vw;
    width: 24.5333333333vw;
    height: 14.5333333333vw;
  }
}
#opencampus .c_section__inner .c_section__contents .opencampus_section1 .balloon2 {
  background: url(/department/data_science/img/oc2025/sec1_balloon2.png) center no-repeat;
  background-size: contain;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 .balloon2 {
    top: 380px;
    left: 345px;
    width: 179px;
    height: 87px;
    padding-left: 6px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 .balloon2 {
    top: 50.6666666667vw;
    left: 46vw;
    width: 23.8666666667vw;
    height: 11.6vw;
    padding-left: 0.8vw;
  }
}
#opencampus .c_section__inner .c_section__contents .opencampus_section1 .balloon3 {
  background: url(/department/data_science/img/oc2025/sec1_balloon3.png) center no-repeat;
  background-size: contain;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 .balloon3 {
    top: 437px;
    left: 30px;
    width: 232px;
    height: 92px;
    padding-left: 6px;
  }
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 .balloon3 p {
    padding-bottom: 17px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 .balloon3 {
    top: 58.2666666667vw;
    left: 4vw;
    width: 30.9333333333vw;
    height: 12.2666666667vw;
    padding-left: 0.8vw;
  }
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 .balloon3 p {
    padding-bottom: 2.2666666667vw;
  }
}
#opencampus .c_section__inner .c_section__contents .opencampus_section1 .notice {
  padding-left: 1em;
  text-indent: -1em;
  position: absolute;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 .notice {
    width: 234px;
    right: 26px;
    bottom: 40px;
    font-size: 12px;
    line-height: 18px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section1 .notice {
    width: 31.2vw;
    right: 3.4666666667vw;
    bottom: 5.3333333333vw;
    font-size: 1.6vw;
    line-height: 2.4vw;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 {
    margin-top: 8vw;
    margin-bottom: -5.3333333333vw;
  }
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 h4 {
    top: -162px;
    left: -30px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 h4 {
    top: -21.6vw;
    left: -13.3333333333vw;
  }
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 h4 img {
    width: 301px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 h4 img {
    width: 40.1333333333vw;
  }
}
#opencampus .c_section__inner .c_section__contents .opencampus_section2 .youtube_wrap {
  background: url(/department/data_science/img/oc2025/sec2_body.png) center top no-repeat;
  background-size: contain;
  overflow: hidden;
  position: relative;
  z-index: 2;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 .youtube_wrap {
    padding: 9px 9px;
    width: 382px;
    height: 658px;
    border-radius: 15px;
  }
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 .youtube_wrap::before {
    content: "";
    display: block;
    background: rgba(0, 0, 0, 0.4);
    background-size: contain;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    pointer-events: none;
    transition: opacity 0.2s linear;
  }
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 .youtube_wrap:hover::before {
    opacity: 0;
  }
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 .youtube_wrap.clicked::before {
    opacity: 0;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 .youtube_wrap {
    padding: 1.0666666667vw 1.8666666667vw;
    width: 64vw;
    height: 109.3333333333vw;
    border-radius: 2.6666666667vw;
  }
}
#opencampus .c_section__inner .c_section__contents .opencampus_section2 iframe {
  -o-object-fit: cover;
     object-fit: cover;
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
  z-index: 1;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 iframe {
    border-radius: 15px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section2 iframe {
    border-radius: 2.6666666667vw;
  }
}
#opencampus .c_section__inner .c_section__contents .opencampus_section3 {
  background: url(/department/data_science/img/oc2025/sec3_body.png) center top no-repeat;
  background-size: contain;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section3 {
    margin-top: 10px;
    width: 520px;
    height: 293px;
    border-radius: 15px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section3 {
    margin-top: 1.3333333333vw;
    width: 69.3333333333vw;
    height: 39.0666666667vw;
    border-radius: 2vw;
  }
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section3 h4 {
    right: -38px;
    bottom: -110px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section3 h4 {
    right: -13.0666666667vw;
    bottom: -14.6666666667vw;
  }
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section3 h4 img {
    width: 327px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section3 h4 img {
    width: 43.6vw;
  }
}
#opencampus .c_section__inner .c_section__contents .opencampus_section3 .balloon {
  background: url(/department/data_science/img/oc2025/sec3_balloon.png) center no-repeat;
  background-size: contain;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section3 .balloon {
    top: -30px;
    left: -26px;
    width: 200px;
    height: 108px;
    padding-left: 6px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section3 .balloon {
    top: -4vw;
    left: -3.4666666667vw;
    width: 26.6666666667vw;
    height: 14.4vw;
    padding-left: 0.8vw;
  }
}
#opencampus .c_section__inner .c_section__contents .opencampus_section4 {
  background: url(/department/data_science/img/oc2025/sec4_body.png) center top no-repeat;
  background-size: contain;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section4 {
    width: 520px;
    height: 293px;
    border-radius: 15px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section4 {
    width: 69.3333333333vw;
    height: 39.0666666667vw;
    border-radius: 2vw;
  }
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section4 h4 {
    right: -44px;
    bottom: -106px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section4 h4 {
    right: -13.8666666667vw;
    bottom: -14.1333333333vw;
  }
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section4 h4 img {
    width: 253px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section4 h4 img {
    width: 33.7333333333vw;
  }
}
#opencampus .c_section__inner .c_section__contents .opencampus_section4 .balloon {
  background: url(/department/data_science/img/oc2025/sec4_balloon.png) center no-repeat;
  background-size: contain;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section4 .balloon {
    top: -30px;
    left: -30px;
    width: 244px;
    height: 114px;
    padding-bottom: 11px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .opencampus_section4 .balloon {
    top: -4vw;
    left: -4vw;
    width: 32.5333333333vw;
    height: 15.2vw;
    padding-bottom: 1.4666666667vw;
  }
}
#opencampus .c_section__inner .c_section__contents .btn {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #000;
  color: #e0f46e;
  position: relative;
  filter: drop-shadow(-3.6px -3.6px 10px rgba(255, 255, 255, 0.5)) drop-shadow(3.6px 3.6px 10px rgba(0, 0, 0, 0.5));
  transform: scale(0);
  transition: width 0.6s 0.6s cubic-bezier(0.68, 0.05, 0.265, 1.55), transform 0.2s ease-in-out, opacity 0.1s linear;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .btn {
    margin-top: 60px;
    width: 100px;
    height: 100px;
    border-radius: 50px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .btn {
    margin-top: 4vw;
    width: 16vw;
    height: 16vw;
    border-radius: 8vw;
  }
}
#opencampus .c_section__inner .c_section__contents .btn.is-active {
  transform: scale(1);
  opacity: 1;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .btn.is-active {
    width: 900px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .btn.is-active {
    width: 100%;
    font-size: 2.9333333333vw;
  }
}
#opencampus .c_section__inner .c_section__contents .btn.is-active .arrow {
  transform: translateY(-50%) scale(1);
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .btn p {
    font-size: 22px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .btn p {
    font-size: 2.9333333333vw;
    text-align: center;
  }
}
#opencampus .c_section__inner .c_section__contents .btn .arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%) scale(0);
  transition: transform 0.4s 0.2s ease-in-out;
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .btn .arrow {
    right: 10px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .btn .arrow {
    right: 1.3333333333vw;
  }
}
@media print, screen and (min-width: 769px) {
  #opencampus .c_section__inner .c_section__contents .btn .arrow img {
    width: 80px;
  }
}
@media screen and (max-width: 768px) {
  #opencampus .c_section__inner .c_section__contents .btn .arrow img {
    width: 13.3333333333vw;
  }
}
#opencampus .c_section__inner .c_section__contents .btn:hover .arrow {
  animation: arrow-rotate 0.4s ease-in-out forwards;
}

@keyframes arrow-rotate {
  0% {
    transform: translateY(-50%) scale(1) rotate(0deg);
  }
  100% {
    transform: translateY(-50%) scale(1) rotate(360deg);
  }
}