.top-img {
  -webkit-filter: brightness(0.9);
  filter: brightness(0.9);
  -moz-transform: scale(1.08);
  -ms-transform: scale(1.08);
  -webkit-transform: scale(1.08);
  transform: scale(1.08);
  -moz-transition: -moz-transform 8s;
  -o-transition: -o-transform 8s;
  -webkit-transition: -webkit-transform 8s;
  transition: transform 8s;
}
.top-img.show-img {
  -moz-transform: scale(1);
  -ms-transform: scale(1);
  -webkit-transform: scale(1);
  transform: scale(1);
}

.project-inner {
  padding: 0 80px;
  max-width: 1400px;
  margin: 0 auto;
}
.project-category {
  padding-bottom: 100px;
}
.project-select {
  display: -ms-flexbox;
  display: flex;
}
.project-btn {
  margin-right: 25px;
  cursor: pointer;
  position: relative;
  padding-left: 18px;
  opacity: 0;
  -moz-transform: translateY(-20px);
  -ms-transform: translateY(-20px);
  -webkit-transform: translateY(-20px);
  transform: translateY(-20px);
  -moz-transition: opacity 0.8s, -moz-transform 0.8s;
  -o-transition: opacity 0.8s, -o-transform 0.8s;
  -webkit-transition: opacity 0.8s, -webkit-transform 0.8s;
  transition: opacity 0.8s, transform 0.8s;
}
.project-btn.show {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.project-btn:nth-child(2) {
  -moz-transition-delay: 0.2s;
  -o-transition-delay: 0.2s;
  -webkit-transition-delay: 0.2s;
  transition-delay: 0.2s;
}
.project-btn:nth-child(3) {
  -moz-transition-delay: 0.4s;
  -o-transition-delay: 0.4s;
  -webkit-transition-delay: 0.4s;
  transition-delay: 0.4s;
}
.project-btn:before {
  content: "";
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 8px solid #ccc;
  position: absolute;
  top: 8px;
  left: 0;
}
.project-btn:after {
  content: "";
  width: 0;
  height: 0;
  border-top: 3px solid transparent;
  border-bottom: 3px solid transparent;
  border-left: 2px solid #FFF;
  position: absolute;
  top: 9px;
  left: 0;
}
.project-btn:hover .project-btn-text .en {
  opacity: 0;
}
.project-btn:hover .project-btn-text .tw {
  opacity: 1;
}
.project-btn-text {
  font-size: 0.875rem;
  position: relative;
}
.project-btn-text .en {
  -moz-transition: opacity 0.4s;
  -o-transition: opacity 0.4s;
  -webkit-transition: opacity 0.4s;
  transition: opacity 0.4s;
}
.project-btn-text .tw {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  -moz-transition: opacity 0.4s;
  -o-transition: opacity 0.4s;
  -webkit-transition: opacity 0.4s;
  transition: opacity 0.4s;
}
.project-item {
  margin-top: 12%;
}
.project-item:nth-child(1) {
  margin-top: unset;
}
.project-item:nth-child(even) a {
  -webkit-flex-flow: row-reverse;
  flex-flow: row-reverse;
}
.project-item:nth-child(even) .project-img-inner:after {
  right: unset;
  left: 0;
}
.project-item:nth-child(even) .project-bg {
  left: -5%;
  right: unset;
}
.project-item:nth-child(even) .project-content {
  padding-left: 80px;
  padding-right: 160px;
  margin-left: unset;
  margin-right: -80px;
  -moz-transform: translateX(-20px);
  -ms-transform: translateX(-20px);
  -webkit-transform: translateX(-20px);
  transform: translateX(-20px);
}
.project-item:nth-child(even) .project-content.show {
  -moz-transform: translateX(0);
  -ms-transform: translateX(0);
  -webkit-transform: translateX(0);
  transform: translateX(0);
}
.project-item a {
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: flex-end;
  align-items: flex-end;
}
.project-item a:hover .project-img-inner {
  clip-path: polygon(2% 2%, 98% 2%, 98% 98%, 2% 98%);
}
.project-item a:hover .project-img img {
  -webkit-filter: grayscale(0);
  filter: grayscale(0);
}
.project-item a:hover .project-view {
  background: #666;
}
.project-item a:hover .project-view .btn-text-inner {
  -moz-animation: btnText 1.2s;
  -webkit-animation: btnText 1.2s;
  animation: btnText 1.2s;
}
.project-item a:hover .project-view .btn-arrow-inner {
  -moz-animation: btnArrow 1.2s;
  -webkit-animation: btnArrow 1.2s;
  animation: btnArrow 1.2s;
}
.project-img {
  width: 50%;
  margin-bottom: 80px;
  position: relative;
}
.project-img.show .project-img-inner:after {
  width: 0;
}
.project-img.show .project-img-in {
  -moz-transform: scale(1);
  -ms-transform: scale(1);
  -webkit-transform: scale(1);
  transform: scale(1);
}
.project-img-inner {
  position: relative;
  overflow: hidden;
  clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
  -moz-transition: clip-path 0.8s;
  -o-transition: clip-path 0.8s;
  -webkit-transition: clip-path 0.8s;
  transition: clip-path 0.8s;
}
.project-img-inner:after {
  content: "";
  width: 100%;
  height: 100%;
  background: #f8f8f8;
  position: absolute;
  top: 0;
  right: 0;
  -moz-transition: width 0.8s;
  -o-transition: width 0.8s;
  -webkit-transition: width 0.8s;
  transition: width 0.8s;
}
.project-img-in {
  -moz-transform: scale(1.1);
  -ms-transform: scale(1.1);
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
  -moz-transition: -moz-transform 1.2s 0.2s;
  -o-transition: -o-transform 1.2s 0.2s;
  -webkit-transition: -webkit-transform 1.2s;
  -webkit-transition-delay: 0.2s;
  transition: transform 1.2s 0.2s;
}
.project-img img {
  width: 100%;
  -webkit-filter: grayscale(1);
  filter: grayscale(1);
  -moz-transition: filter 0.8s;
  -o-transition: filter 0.8s;
  -webkit-transition: filter 0.8s;
  transition: filter 0.8s;
}
.project-bg {
  width: 100%;
  height: 100%;
  border: 1px solid #f5f0e0;
  position: absolute;
  top: -5%;
  right: -5%;
  z-index: -1;
}
.project-content {
  padding: 80px;
  padding-left: 160px;
  margin-left: -80px;
  box-sizing: border-box;
  background: #f8f8f8;
  z-index: -1;
  opacity: 0;
  -moz-transform: translateX(20px);
  -ms-transform: translateX(20px);
  -webkit-transform: translateX(20px);
  transform: translateX(20px);
  -moz-transition: opacity 0.8s, -moz-transform 0.8s;
  -o-transition: opacity 0.8s, -o-transform 0.8s;
  -webkit-transition: opacity 0.8s, -webkit-transform 0.8s;
  transition: opacity 0.8s, transform 0.8s;
}
.project-content.show {
  opacity: 1;
  -moz-transform: translateX(0);
  -ms-transform: translateX(0);
  -webkit-transform: translateX(0);
  transform: translateX(0);
}
.project-name {
  color: #000;
  letter-spacing: 0.2rem;
}
.project-view {
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  padding: 0 20px;
  font-size: 0.75rem;
  background: #ccc;
  color: #FFF;
  -moz-transition: background 0.8s;
  -o-transition: background 0.8s;
  -webkit-transition: background 0.8s;
  transition: background 0.8s;
}

@media screen and (max-width: 1100px) {
  .project-inner {
    padding: 0 60px;
  }
  .project-item {
    margin-top: 15%;
  }
  .project-item:nth-child(even) .project-content {
    padding-left: 60px;
    padding-right: 120px;
    margin-right: -60px;
  }
  .project-img {
    width: 60%;
    margin-bottom: 60px;
  }
  .project-content {
    padding: 60px;
    padding-left: 120px;
    margin-left: -60px;
  }
}
@media screen and (max-width: 800px) {
  .project-category {
    padding-bottom: 80px;
  }
  .project-item {
    width: 85%;
    margin-top: 100px;
  }
  .project-item:nth-child(even) {
    margin-left: auto;
  }
  .project-item:nth-child(even) .project-content {
    margin-right: unset;
    padding: 40px;
    -moz-transform: translate(0, 20px);
    -ms-transform: translate(0, 20px);
    -webkit-transform: translate(0, 20px);
    transform: translate(0, 20px);
  }
  .project-item a {
    display: block;
  }
  .project-item a:hover .project-img-inner {
    overflow: hidden;
    clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
  }
  .project-item a:hover .project-img img {
    -moz-transform: scale(1.08);
    -ms-transform: scale(1.08);
    -webkit-transform: scale(1.08);
    transform: scale(1.08);
  }
  .project-img {
    width: auto;
    margin-bottom: unset;
  }
  .project-img img {
    -moz-transition: filter 0.8s, -moz-transform 0.8s;
    -o-transition: filter 0.8s, -o-transform 0.8s;
    -webkit-transition: filter 0.8s, -webkit-transform 0.8s;
    transition: filter 0.8s, transform 0.8s;
  }
  .project-bg {
    top: -6%;
  }
  .project-content {
    margin-left: unset;
    padding: 40px;
    display: -ms-flexbox;
    display: flex;
    -webkit-justify-content: space-between;
    justify-content: space-between;
    -webkit-align-items: center;
    align-items: center;
    -moz-transform: translate(0, 20px);
    -ms-transform: translate(0, 20px);
    -webkit-transform: translate(0, 20px);
    transform: translate(0, 20px);
  }
  .project-view {
    margin-top: unset;
    margin-left: 35px;
  }
}
@media screen and (max-width: 640px) {
  .project-inner {
    padding: 0 50px;
  }
  .project-category {
    padding-bottom: 60px;
  }
  .project-select {
    display: block;
  }
  .project-btn {
    margin-right: unset;
    margin-bottom: 5px;
    width: fit-content;
    -moz-transform: translateY(20px);
    -ms-transform: translateY(20px);
    -webkit-transform: translateY(20px);
    transform: translateY(20px);
  }
  .project-btn:last-child {
    margin-bottom: unset;
  }
  .project-item {
    width: auto;
    margin-top: 80px;
  }
  .project-item:nth-child(even) .project-content {
    padding: 8%;
  }
  .project-content {
    padding: 8%;
  }
  .project-view {
    margin-left: 30px;
    padding: 0 15px;
  }
}