@-webkit-keyframes animationOpacity {
  0% {
    opacity: 1
  }
  90% {
    opacity: 0
  }
}
@-moz-keyframes animationOpacity {
  0% {
    opacity: 1
  }
  90% {
    opacity: 0
  }
}
@-o-keyframes animationOpacity {
  0% {
    opacity: 1
  }
  90% {
    opacity: 0
  }
}
@keyframes animationOpacity {
  0% {
    opacity: 1
  }
  90% {
    opacity: 0
  }
}
@-webkit-keyframes shake {
  from, to {
    transform: translate3d(0, 0, 0)
  }
  20%, 60% {
    transform: translate3d(-10px, 0, 0)
  }
  40%, 80% {
    transform: translate3d(10px, 0, 0)
  }
}
@-moz-keyframes shake {
  from, to {
    transform: translate3d(0, 0, 0)
  }
  20%, 60% {
    transform: translate3d(-10px, 0, 0)
  }
  40%, 80% {
    transform: translate3d(10px, 0, 0)
  }
}
@-o-keyframes shake {
  from, to {
    transform: translate3d(0, 0, 0)
  }
  20%, 60% {
    transform: translate3d(-10px, 0, 0)
  }
  40%, 80% {
    transform: translate3d(10px, 0, 0)
  }
}
@keyframes shake {
  from, to {
    transform: translate3d(0, 0, 0)
  }
  20%, 60% {
    transform: translate3d(-10px, 0, 0)
  }
  40%, 80% {
    transform: translate3d(10px, 0, 0)
  }
}
.about_tab {
  text-align: center;
  border-bottom: 1px solid #e8e8e8
}
.about_tab li {
  margin: 0 50px
}
.about_tab li a {
  display: block
}
.about_tab li a span {
  display: inline-block;
  height: 80px;
  line-height: 80px;
  font-size: 28px;
  position: relative
}
.about_tab li a span::after {
  display: block;
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  border-bottom: 2px solid #3f5aba;
  transform-origin: center;
  -webkit-transition: transform .5s linear;
  -moz-transition: transform .5s linear;
  -o-transition: transform .5s linear;
  -ms-transition: transform .5s linear;
  transition: transform .5s linear;
  transform: scale(0);
  -webkit-transform: scale(0);
  -o-transform: scale(0);
  -ms-transform: scale(0);
  -moz-transform: scale(0)
}
.about_tab li.active a, .about_tab li:hover a {
  font-weight: bold;
  color: #3f5aba
}
.about_tab li.active a span::after, .about_tab li:hover a span::after {
  transform: scale(1);
  -webkit-transform: scale(1);
  -o-transform: scale(1);
  -ms-transform: scale(1);
  -moz-transform: scale(1)
}
.about_box {
  padding: 90px 0 50px;
}
.about_box h1 {
  font-size: 36px;
display: block;margin-bottom: calc(18px + 1vw);
  font-weight: bold;
  color: #333333;
	text-align: center;
}
.about_box h4 {
	text-indent: 2em;
  max-width: 1000px;
	margin: 0 auto;margin-bottom: 1em;
}
#my-video {
	margin-top: calc(20px + 4vw);
  height: 600px;
  background: #000
}
.finished_box h1 {
  font-size: 34px;
  color: #000000
}
.finished_list {
  text-align: center
}
.finished_list li:hover img {
  transform: scale(1.2);
  -webkit-transform: scale(1.2);
  -o-transform: scale(1.2);
  -ms-transform: scale(1.2);
  -moz-transform: scale(1.2)
}
.finished_list li:hover h2 {
  color: #3f5aba
}
.finished_list h2 {
  font-size: 24px;
  color: #222222;
  line-height: 50px
}
.finished_list img {
  display: block;
  width: 100%;
  height: auto
}
@media (min-width: 992px) and (max-width: 1400px) {
  .about_tab li a span {
    height: 60px;
    line-height: 60px;
    font-size: 20px
  }
  .finished_list {
    padding: 20px 0 70px
  }
  .finished_list h2 {
    font-size: 20px;
    line-height: 30px
  }
  .finished_box h1 {
    font-size: 26px
  }
  .about_box {
    padding: 70px 0 30px
  }
  .about_box h1 {
    font-size: 30px
  }
  .about_box h4 {
    font-size: 16px;
  }
  #my-video {
    height: 400px
  }
}
@media screen and (min-width: 992px) {
  .finished_list {
    padding: 40px 0 110px
  }
  .finished_list li {
    width: calc(33.333% - 10px)
  }
  .finished_list li:not(:nth-child(3n)) {
    margin-right: 15px
  }
  .finished_list img {
    display: block;
    width: 100%;
    height: auto
  }
}
@media screen and (max-width: 992px) {
  .about_tab li a span {
    height: 50px;
    line-height: 50px;
    font-size: 16px
  }
  .about_box {
    padding: 40px 0 20px
  }
  .about_box h1 {
    font-size: 24px
  }
  .about_box h4 {
    font-size: 16px;
    margin: 10px auto 40px
  }
  #my-video {
    height: 300px
  }
  .finished_box h1 {
    font-size: 18px
  }
  .finished_list {
    padding: 20px 0 20px
  }
  .finished_list li {
    width: calc(50% - 5px)
  }
  .finished_list li:nth-child(2n) {
    margin-left: 10px
  }
  .finished_list li:last-child {
    width: 100%
  }
  .finished_list li:last-child img {
    height: 250px
  }
  .finished_list h2 {
    font-size: 10px;
    line-height: 30px
  }
  .finished_list img {
    width: 100%;
    height: 150px;
    object-fit: cover
  }
}
@media screen and (max-width: 500px) {
  .about_tab {
    padding: 0 10px
  }
  .about_tab ul {
    flex-wrap: nowrap;
    padding: 0;
    -webkit-box-pack: flex-start;
    -ms-flex-pack: flex-start;
    justify-content: flex-start
  }
  .about_tab li {
    width: 25%;
    margin: 0
  }
  .about_tab li a span {
    height: 30px;
    line-height: 30px;
    font-size: 10px
  }
  .about_box {
    padding: 20px 0 10px
  }
  .about_box h1 {
    font-size: 16px
  }
  .about_box h4 {
    font-size: 14px;
    margin: 5px auto 20px
  }
  #my-video {
    height: 220px
  }
}