.information-engineering .department_contents_title01 {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.information-engineering .department_contents_title01::before {
  content: "";
  display: block;
  margin-bottom: 0.25em;
  width: 3em;
  height: 1em;
  background-image: url(/assets/img/course/eng/information-engineering/ttl_icon.png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: contain;
}
.information-engineering .information_container .info_title::before {
  background-color: #3CA3D9;
}
.information-engineering .md-btn_more::after {
  background-color: #3CA3D9;
}
.information-engineering .md-btn {
  background: #222222;
  border-color: #222222;
  max-width: 100%;
}
.information-engineering .md-btn:hover {
  color: #222222;
}
.information-engineering .md-btn.white {
  color: #222;
  background: #fff;
  border-color: #fff;
  max-width: 100%;
}
.information-engineering .md-btn.white:hover {
  color: #fff;
  background: #222;
}
.information-engineering .pickup_item .pickup_more_button {
  background: #222222;
  border: 1px solid #222222;
}
.information-engineering .pickup_item .pickup_more_button:hover {
  color: #222222;
  background: #fff;
}
.information-engineering .pickup_container {
  position: relative;
}
.information-engineering .pickup_container .interview_chara .chara1 {
  width: 26.6666666667vw;
  bottom: -32vw;
  right: 28%;
  z-index: 2;
}
@media only screen and (min-width: 641px) {
  .information-engineering .pickup_container .interview_chara .chara1 {
    right: 20%;
    bottom: -160px;
    width: 142px;
  }
}
.information-engineering .pickup_container .interview_chara .chara2 {
  width: 21.3333333333vw;
  bottom: -32vw;
  right: 10%;
  z-index: 2;
}
@media only screen and (min-width: 641px) {
  .information-engineering .pickup_container .interview_chara .chara2 {
    bottom: -160px;
    width: 112px;
  }
}
.information-engineering .interview_container {
  background: url(../img/course/eng/information-engineering/features_bg_sp.png) no-repeat center/cover;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  position: relative;
}
@media only screen and (min-width: 641px) {
  .information-engineering .interview_container {
    background: url(../img/course/eng/information-engineering/features_bg.png) no-repeat center/cover;
  }
}
.information-engineering .interview_container .container_inner {
  position: relative;
  z-index: 1;
}
.information-engineering .work_container {
  position: relative;
}
.information-engineering .work_container .department_contents_title01 {
  color: #fff;
}
.information-engineering .work_container .work_container_heading .circle_box {
  background-color: #3CA3D9;
}
.information-engineering .work_container .work_box_title {
  color: #3CA3D9;
}
.information-engineering .work_container .work_body .flex_item p {
  margin-bottom: 2em;
}
.information-engineering .work_container .work_body .flex_item h4 {
  margin-bottom: 1em;
}
.information-engineering .work_container .work_body .flex_item .bold {
  font-weight: bold;
}
.information-engineering .work_container .research_chara .chara1 {
  width: 21.3333333333vw;
  left: 10%;
  bottom: -26.6666666667vw;
  z-index: 2;
}
@media only screen and (min-width: 641px) {
  .information-engineering .work_container .research_chara .chara1 {
    width: 125px;
    bottom: -148px;
  }
}
.information-engineering .work_container .research_chara .chara2 {
  width: 18.6666666667vw;
  left: 30%;
  bottom: -24vw;
  z-index: 2;
}
@media only screen and (min-width: 641px) {
  .information-engineering .work_container .research_chara .chara2 {
    width: 106px;
    bottom: -130px;
    left: 25%;
  }
}
.information-engineering .voice_block.graduates::before {
  background: rgba(60, 163, 217, 0.1);
}
.information-engineering .voice_item {
  background: #fff;
  border-top: #3CA3D9 solid;
}
.information-engineering .voice_item .title {
  color: #3CA3D9;
}
.information-engineering .voice_item .title i {
  width: 30px;
  flex-basis: 30px;
}
.information-engineering .voice_item .title span {
  flex: 1;
}
.information-engineering .work_item_title {
  margin-top: 1.5em;
}
.information-engineering .work_item_title.black {
  color: #222;
}
.information-engineering .research_container {
  background: url(../img/course/eng/information-engineering/features_bg_sp.png) no-repeat center/cover;
  background-attachment: fixed;
  background-size: cover;
  background-position: center;
  position: relative;
}
@media only screen and (min-width: 641px) {
  .information-engineering .research_container {
    background: url(../img/course/eng/information-engineering/features_bg.png) no-repeat center/cover;
    padding-bottom: 200px;
  }
}
.information-engineering .research_container .container_inner {
  position: relative;
}
.information-engineering .research_container .research_item_title {
  border-bottom: 2px solid #222;
}
.information-engineering .research_container .grass_area {
  background: url(../img/course/eng/information-engineering/loop_grass.png) repeat-x center/cover;
  height: 64px;
  position: absolute;
  bottom: -30vw;
  left: 0;
  margin: 0 calc(50% - 50vw);
  width: 100vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .research_container .grass_area {
    height: 93px;
    bottom: -200px;
  }
}
.information-engineering .research_container .grass_area .grass_characters {
  width: 1024px;
  margin: 0 auto;
  max-width: 90%;
  position: relative;
}
.information-engineering .research_container .grass_area .grass_characters .chara1 {
  width: min(16vw, 100px);
  left: 0;
  bottom: -5.3333333333vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .research_container .grass_area .grass_characters .chara1 {
    bottom: -40px;
    left: 10%;
  }
}
.information-engineering .research_container .grass_area .grass_characters .chara2 {
  width: min(16vw, 95px);
  left: 25%;
  bottom: -5.3333333333vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .research_container .grass_area .grass_characters .chara2 {
    bottom: -40px;
    left: 30%;
  }
}
.information-engineering .research_container .grass_area .grass_characters .chara3 {
  width: min(14.6666666667vw, 122px);
  right: 25%;
  bottom: -5.3333333333vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .research_container .grass_area .grass_characters .chara3 {
    bottom: -40px;
    right: 30%;
  }
}
.information-engineering .research_container .grass_area .grass_characters .chara4 {
  width: min(13.3333333333vw, 82px);
  right: 0;
  bottom: -5.3333333333vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .research_container .grass_area .grass_characters .chara4 {
    bottom: -40px;
    right: 10%;
  }
}
.information-engineering .voice_block::before {
  background: rgba(0, 0, 0, 0.15);
}
.information-engineering .department_bottom_container a {
  color: #3CA3D9;
}
.information-engineering .character {
  position: absolute;
}
.information-engineering .box_shadow {
  filter: drop-shadow(10px 10px 0px rgba(0, 0, 0, 0.16));
}
.information-engineering .js-more-toggle {
  position: relative;
}
.information-engineering .js-more-toggle .icon {
  display: none !important;
}
.information-engineering .js-more-toggle:hover {
  color: #3CA3D9;
  background: #fff;
}
.information-engineering .js-more-toggle::after, .information-engineering .js-more-toggle::before {
  content: "";
  position: absolute;
  top: calc(50% - 1px);
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transform-origin: center center;
  width: 0.8em;
  right: 1.5em;
}
.information-engineering .js-more-toggle::after {
  transform: rotate(90deg);
}
.information-engineering .open + .js-more-toggle::after {
  content: none;
}
.information-engineering .department_mv {
  position: relative;
  background-image: url(../img/course/eng/information-engineering/mv_repeat.png), url(../img/course/eng/information-engineering/mv_bg_sp.jpg);
  background-position: center bottom, center top;
  background-repeat: repeat-x, no-repeat;
  background-size: auto 41.8666666667vw, cover;
  padding-top: 13.3333333333vw;
  padding-bottom: 32vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .department_mv {
    background-image: url(../img/course/eng/information-engineering/mv_repeat.png), url(../img/course/eng/information-engineering/mv_bg.jpg);
    padding-top: 0px;
    padding-bottom: 0;
    background-size: auto 200px, cover;
    height: 710px;
  }
}
.information-engineering .department_mv .container_inner {
  width: 1200px;
  max-width: 90%;
}
@media only screen and (min-width: 641px) {
  .information-engineering .department_mv .container_inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    height: 85%;
  }
}
.information-engineering .department_mv .mv_ttl_box {
  background: url(../img/course/eng/information-engineering/mv_box_sp.png) no-repeat center/contain;
  width: 100%;
  height: 71.7333333333vw;
  padding: 6.4vw 0;
  margin-bottom: 5.3333333333vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .department_mv .mv_ttl_box {
    height: auto;
    padding: 43px 0;
    margin-bottom: 0;
    position: absolute;
    width: 480px;
    left: 0;
    z-index: 2;
  }
}
@media only screen and (min-width: 641px) and (max-width: 1024px) {
  .information-engineering .department_mv .mv_ttl_box {
    top: 10%;
  }
}
.information-engineering .department_mv .mv_ttl_box .ttl_icon {
  width: 21.6vw;
  margin: 0 auto min(4vw, 22px);
}
@media only screen and (min-width: 641px) {
  .information-engineering .department_mv .mv_ttl_box .ttl_icon {
    width: 112px;
  }
}
.information-engineering .department_mv .mv_ttl_box .lead {
  font-size: 4.8vw;
  text-align: center;
  line-height: 1.5em;
  margin-bottom: 2.1333333333vw;
  font-weight: bold;
}
@media only screen and (min-width: 641px) {
  .information-engineering .department_mv .mv_ttl_box .lead {
    font-size: 2.4rem;
    margin-bottom: 22px;
  }
}
.information-engineering .department_mv .mv_ttl_box .lead span {
  color: #3CA3D9;
  font-size: 1.27em;
}
.information-engineering .department_mv .mv_ttl_box .department_title {
  text-align: center;
}
.information-engineering .department_mv .mv_ttl_box .department_title .faculty_name {
  font-size: 3.4666666667vw;
  color: #fff;
  letter-spacing: 0.05em;
  background-color: #3CA3D9;
  display: inline-block;
  padding: 0.4em 2em;
  border-radius: 30px;
  margin-bottom: 2.6666666667vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .department_mv .mv_ttl_box .department_title .faculty_name {
    font-size: 1.6rem;
    margin-bottom: 10px;
  }
}
.information-engineering .department_mv .mv_ttl_box .department_title .name {
  font-size: 10.4vw;
  letter-spacing: 0.05em;
}
@media only screen and (min-width: 641px) {
  .information-engineering .department_mv .mv_ttl_box .department_title .name {
    font-size: 5.4rem;
  }
}
.information-engineering .department_mv .mv_ttl_box .department_title .en {
  font-size: 3.2vw;
  color: #3CA3D9;
  font-family: "Pixelify Sans", sans-serif;
  display: block;
  margin-top: 2.6666666667vw;
  letter-spacing: 0.1em;
}
@media only screen and (min-width: 641px) {
  .information-engineering .department_mv .mv_ttl_box .department_title .en {
    font-size: 1.2rem;
    margin-top: 10px;
  }
}
@media only screen and (min-width: 641px) {
  .information-engineering .department_mv .img {
    width: 57%;
    position: absolute;
    right: 0;
  }
}
@media only screen and (min-width: 641px) and (max-width: 1024px) {
  .information-engineering .department_mv .img {
    bottom: 10%;
    width: 70%;
  }
}
.information-engineering .department_mv .chara_area {
  width: 1024px;
  max-width: 90%;
  margin: auto;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}
.information-engineering .department_mv .chara_area .chara_area_inner {
  position: relative;
  width: 100%;
}
.information-engineering .department_mv .chara_area .chara3 {
  width: 24.5333333333vw;
  bottom: 12vw;
  left: 0;
}
.information-engineering .department_mv .chara_area .chara4 {
  width: 12.8vw;
  bottom: 8vw;
  left: 28vw;
}
.information-engineering .department_mv .chara_area .chara5 {
  width: 14.9333333333vw;
  bottom: 12vw;
  right: 25vw;
}
.information-engineering .department_mv .chara_area .chara6 {
  width: 19.4666666667vw;
  bottom: 8vw;
  right: 0;
}
@media only screen and (min-width: 769px) {
  .information-engineering .department_mv .chara_area .chara1 {
    width: 73px;
    bottom: 60px;
    left: 2.9%;
  }
  .information-engineering .department_mv .chara_area .chara2 {
    width: 60px;
    left: 16%;
    bottom: 35px;
  }
  .information-engineering .department_mv .chara_area .chara3 {
    width: 116px;
    bottom: 60px;
    left: 29%;
  }
  .information-engineering .department_mv .chara_area .chara4 {
    width: 61px;
    left: 0;
    right: 0;
    bottom: 35px;
    margin: auto;
  }
  .information-engineering .department_mv .chara_area .chara5 {
    width: 70px;
    bottom: 60px;
    right: 29%;
  }
  .information-engineering .department_mv .chara_area .chara6 {
    width: 92px;
    bottom: 35px;
    right: 13.5%;
  }
  .information-engineering .department_mv .chara_area .chara7 {
    width: 66px;
    bottom: 60px;
    right: 1.75%;
  }
}
.information-engineering .characteristic_container {
  background: url(../img/course/eng/information-engineering/charactristic_bg_sp.jpg) repeat;
  padding: 24vw 0;
}
@media only screen and (min-width: 641px) {
  .information-engineering .characteristic_container {
    padding: 100px 0;
  }
}
@media only screen and (min-width: 1024px) {
  .information-engineering .characteristic_container .container_inner {
    display: flex;
    justify-content: space-between;
    flex-direction: row-reverse;
  }
}
.information-engineering .characteristic_container .textbox {
  background: url(../img/course/eng/information-engineering/characteristic_box_sp.png) no-repeat center/contain;
  background-size: 100% 100%;
  padding: 9.6vw 8vw;
  margin-bottom: 16vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .characteristic_container .textbox {
    background: url(../img/course/eng/information-engineering/characteristic_box.png) no-repeat center/contain;
    width: 689px;
    max-width: 100%;
    padding: 40px 50px 40px;
    margin-bottom: 0;
  }
}
.information-engineering .characteristic_container .textbox .box_ttl {
  font-size: 6.4vw;
  font-family: "Pixelify Sans", sans-serif;
  text-align: center;
  font-weight: bold;
  color: #60CEF0;
  margin-bottom: 4vw;
  letter-spacing: 0.01em;
}
@media only screen and (min-width: 641px) {
  .information-engineering .characteristic_container .textbox .box_ttl {
    font-size: 2.4rem;
    margin-bottom: 15px;
  }
}
.information-engineering .characteristic_container .textbox .disc {
  font-size: 4.2666666667vw;
  color: #fff;
  line-height: 2em;
  letter-spacing: -0.05em;
}
@media only screen and (min-width: 641px) {
  .information-engineering .characteristic_container .textbox .disc {
    font-size: 1.8rem;
  }
}
.information-engineering .characteristic_container .imgarea {
  width: 60.5333333333vw;
  margin: 0 auto;
}
@media only screen and (min-width: 641px) {
  .information-engineering .characteristic_container .imgarea {
    width: 254px;
  }
}
.information-engineering .characteristic_container .imgarea .charas {
  display: flex;
  justify-content: space-between;
}
.information-engineering .characteristic_container .imgarea .charas img {
  min-width: 0;
}
.information-engineering .feature_container {
  background: url(../img/course/eng/information-engineering/features_bg_sp.png) repeat center/contain;
  padding: 18.6666666667vw 0 12vw;
  /* padding: 18.6666666667vw 0 2.6666666667vw; */
  margin-top: 0;
  margin-bottom: 120px;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container {
    padding: 150px 0 100px;
    background: url(../img/course/eng/information-engineering/features_bg.png) repeat center/contain;
  }
}
.information-engineering .feature_container .feature_heading {
  margin-bottom: 22.6666666667vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_heading {
    margin-bottom: 120px;
  }
}
.information-engineering .feature_container h2 {
  font-size: 6.4vw;
  line-height: 1.8em;
  letter-spacing: 0.1em;
  text-align: center;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container h2 {
    font-size: 4.8rem;
  }
}
.information-engineering .feature_container h2:before {
  content: "";
  display: block;
  width: 40vw;
  height: 10.6666666667vw;
  margin: 0 auto 0.25em;
  background-image: url(../img/course/eng/information-engineering/ttl_icon.png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: contain;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container h2:before {
    width: 150px;
    height: 40px;
  }
}
.information-engineering .feature_container .feature_block {
  margin-bottom: 26.6666666667vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block {
    margin-bottom: 80px;
  }
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block {
    display: flex;
    position: relative;
  }
  .information-engineering .feature_container .feature_block::before {
    content: "";
    display: block;
    padding-top: 608px;
  }
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block .textarea {
    position: absolute;
    right: 0;
    width: 560px;
    z-index: 2;
    margin-bottom: 0;
  }
}
.information-engineering .feature_container .feature_block .textbox {
  position: relative;
  margin-bottom: 1.5em;
}
.information-engineering .feature_container .feature_block .textbox .character {
  top: -2em;
  right: 2em;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block .textbox .character {
    top: -50px;
    right: 45px;
  }
}
.information-engineering .feature_container .feature_block .textbox .box_contents {
  position: absolute;
  top: 0;
  width: 80%;
  margin: auto;
  left: 0;
  right: 0;
  padding-top: 2em;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block .textbox .box_contents {
    padding-top: 3em;
  }
}
.information-engineering .feature_container .feature_block .textbox .box_contents .num {
  font-size: 8vw;
  font-family: "Pixelify Sans", sans-serif;
  color: #fff;
  line-height: 1.2em;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block .textbox .box_contents .num {
    font-size: 5.1rem;
  }
}
.information-engineering .feature_container .feature_block .textbox .box_contents .box_ttl {
  font-size: 4.8vw;
  margin-bottom: 4vw;
  border-bottom: solid 1px #fff;
  color: #fff;
  line-height: 1.6em;
  padding-bottom: 4vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block .textbox .box_contents .box_ttl {
    font-size: 2.8rem;
    margin-bottom: 20px;
    padding-bottom: 20px;
  }
}
.information-engineering .feature_container .feature_block .textbox .box_contents .disc {
  font-size: 3.7333333333vw;
  color: #fff;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block .textbox .box_contents .disc {
    font-size: 1.4rem;
  }
}
.information-engineering .feature_container .feature_block .textbox .box_contents .button_area {
  margin-top: 2.6666666667vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block .textbox .box_contents .button_area {
    margin-top: 30px;
  }
}
.information-engineering .feature_container .feature_block .textbox .box_contents .button_area .anker_btn {
  height: min(10.6666666667vw, 50px);
  background-color: #fff;
  border-radius: 25px;
  text-align: center;
  transition: all 0.4s ease-out;
  cursor: pointer;
  box-shadow: 0px 5px 0px 0px #1E9B11;
  line-height: min(10.6666666667vw, 50px);
  font-size: clamp(1.4rem, 1.3227722772rem + 0.198019802vw, 1.6rem);
  color: #13C800;
  display: block;
  text-decoration: none;
  font-weight: bold;
  position: relative;
  width: 360px;
  max-width: 100%;
  margin: 0 auto;
}
.information-engineering .feature_container .feature_block .textbox .box_contents .button_area .anker_btn::before {
  content: "";
  background-color: currentColor;
  mask-image: url(/assets/img/course/eng/information-engineering/btn_triangle.svg);
  mask-position: center center;
  mask-repeat: no-repeat;
  mask-size: contain;
  width: 1em;
  height: 1em;
  display: block;
  position: absolute;
  left: 1.5em;
  top: 1em;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block .imgarea {
    position: absolute;
    left: 0;
    width: 590px;
    margin-top: 40px;
  }
}
.information-engineering .feature_container .feature_block .imgarea .img {
  position: relative;
}
.information-engineering .feature_container .feature_block .imgarea .img .character {
  bottom: -8vw;
  left: 2vw;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block .imgarea .img .character {
    bottom: -34px;
    left: 26px;
  }
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block.reverse .textarea {
    left: 0;
    right: auto;
  }
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block.reverse .imgarea {
    right: 0;
    left: auto;
  }
}
.information-engineering .feature_container .feature_block.reverse .imgarea .img .character {
  right: 2vw;
  left: auto;
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .feature_block.reverse .imgarea .img .character {
    right: 26px;
  }
}
.information-engineering .feature_container .feature_block.feature01 .chara1 {
  width: min(24vw, 150px);
}
.information-engineering .feature_container .feature_block.feature01 .chara2 {
  width: min(21.3333333333vw, 120px);
}
.information-engineering .feature_container .feature_block.feature02 .chara1 {
  width: min(19.2vw, 120px);
}
.information-engineering .feature_container .feature_block.feature02 .chara2 {
  width: min(18.6666666667vw, 100px);
}
.information-engineering .feature_container .feature_block.feature03 .chara1 {
  width: min(19.2vw, 118px);
}
.information-engineering .feature_container .feature_block.feature03 .chara2 {
  width: min(26.6666666667vw, 172px);
}
.information-engineering .feature_container .feature_block.feature04 .chara1 {
  width: min(30.1333333333vw, 188px);
}
.information-engineering .feature_container .feature_block.feature04 .chara2 {
  width: min(27.2vw, 146px);
}
.information-engineering .feature_container .feature_block.feature04 .button_area .anker_btn {
  color: #FF7804;
}
.information-engineering .feature_container .feature_block.feature04 .textbox .box_contents .button_area .anker_btn {
  color: #FF7804;
  box-shadow: 0px 5px 0px 0px #AD6120;
}
.information-engineering .feature_container .loop_imgarea {
  position: relative;
  margin: 0 calc(50% - 50vw) min(26.6666666667vw, 150px);
}
.information-engineering .feature_container .loop_img {
  position: relative;
  width: 6380px;
  max-height: 260px;
  background: url(../img/course/eng/information-engineering/loop_img.png);
  background-size: auto 100%;
  overflow: hidden;
  animation: loopBg 60s linear infinite;
}
.information-engineering .feature_container .loop_img:before {
  display: block;
  width: 100%;
  padding-top: 3.8831835687%;
  content: "";
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .loop_img:before {
    padding-top: 490px;
  }
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .loop_img {
    max-height: 490px;
    animation: loopBg 30s linear infinite;
  }
}
@keyframes loopBg {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: -100% 0;
  }
}
.information-engineering .feature_container .loop_grass {
  background: url(../img/course/eng/information-engineering/loop_grass.png) repeat-x center/cover;
  height: 64px;
  position: absolute;
  width: 100%;
  bottom: -30px;
  left: 0;
  margin: 0 calc(50% - 50vw);
}
@media only screen and (min-width: 641px) {
  .information-engineering .feature_container .loop_grass {
    height: 93px;
  }
}
.information-engineering .feature_container .loop_character {
  width: 1024px;
  margin: 0 auto;
  max-width: 90%;
  position: relative;
}
.information-engineering .feature_container .loop_character .chara1 {
  width: min(21.3333333333vw, 142px);
  left: 0;
  bottom: 0;
}
.information-engineering .feature_container .loop_character .chara2 {
  width: min(19.4666666667vw, 136px);
  left: 25%;
  bottom: 0;
}
.information-engineering .feature_container .loop_character .chara3 {
  width: min(14.6666666667vw, 102px);
  right: 25%;
  bottom: 0;
}
.information-engineering .feature_container .loop_character .chara4 {
  width: min(18.6666666667vw, 129px);
  right: 0;
  bottom: 0;
}
.information-engineering .chara_move {
  animation: floating-a 0.6s ease-in-out infinite alternate-reverse;
}
.information-engineering .chara_move_delay_a {
  animation: floating-b 1s ease-in-out infinite alternate-reverse;
  animation-delay: 0.9s;
}
.information-engineering .chara_move_delay_b {
  animation: floating-c 1s ease-in-out infinite alternate-reverse;
  animation-delay: 0.6s;
}
@keyframes floating-a {
  0% {
    transform: translateY(-10%);
  }
  80% {
    transform: translateY(10%);
  }
  100% {
    transform: translateY(10%);
  }
}
@keyframes floating-b {
  0% {
    transform: translateY(-10%);
  }
  100% {
    transform: translateY(8%);
  }
}
@keyframes floating-c {
  0% {
    transform: translateY(-10%);
  }
  80% {
    transform: translateY(10%);
  }
  100% {
    transform: translateY(10%);
  }
}