.project-inner {
  padding: 0 50px;
  max-width: 1100px;
  margin: 0 auto;
}
.project-name {
  position: relative;
}
.project-name .big {
  font-size: 1.5rem;
  margin-right: 5px;
}
.project-name .tw {
  color: #FFF;
  letter-spacing: 0.2em;
}
.project-name .en {
  font-family: "Ubuntu", Arial, Helvetica;
  font-size: 0.875rem;
  color: #999;
  padding-top: 3px;
}
.project-content {
  padding: 80px 50px 50px;
  position: relative;
}
.project-content:after {
  content: "";
  width: 50px;
  height: 50px;
  border-bottom: 1px solid #333;
  border-right: 1px solid #333;
  position: absolute;
  bottom: 0;
  right: 0;
}
.project-image {
  padding-top: 80px;
}
.project-image img {
  width: 100%;
  padding-bottom: 20px;
}
.project-image-wrap {
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}
.project-img:nth-child(1) {
  margin-right: 2%;
}
.project-btn {
  text-align: center;
  margin-top: 80px;
}

@media screen and (max-width: 640px) {
  .project-inner {
    padding: 0 30px;
  }
  .project-content {
    padding: 50px 40px;
  }
  .project-content:after {
    width: 40px;
    height: 40px;
  }
  .project-name .big {
    font-size: 1.25rem;
  }
  .project-name .tw {
    font-size: 0.875rem;
  }
  .project-name .en {
    font-size: 0.75rem;
  }
  .project-image {
    padding-top: 50px;
  }
  .project-btn {
    margin-top: 60px;
  }
}