@import url("https://fonts.googleapis.com/css2?family=Noto+Serif+TC:wght@200..900&display=swap");
.activity-top {
  width: 50%;
  margin: 20vh auto 70px;
}
.activity-title {
  position: relative;
}
.activity-title:after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -50px;
  width: 1px;
  height: 30px;
  background-color: #666;
}
.activity-title-s {
  color: #ccc;
  letter-spacing: 0.2em;
  margin-bottom: 5px;
}
.activity-title-b {
  font-size: 20px;
  margin-bottom: 10px;
  font-weight: bold;
}
.activity-slogan {
  font-style: italic;
  padding-top: 10px;
  color: #999;
}
.activity-content {
  width: 50%;
  margin: auto;
}
.activity-subtitle {
  font-style: italic;
  padding-bottom: 8px;
  font-weight: bold;
}
.activity-image {
  padding-bottom: 30px;
}
.activity-image p {
  color: #999;
  padding-top: 8px;
}
.activity-img img {
  width: 100%;
}
.activity-hashtag {
  color: #999;
}
.activity-bt {
  text-align: center;
}
.activity .button {
  margin: 80px 20px;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
  -moz-transition: -moz-transform 0.3s 0.2s;
  -o-transition: -o-transform 0.3s 0.2s;
  -webkit-transition: -webkit-transform 0.3s;
  -webkit-transition-delay: 0.2s;
  transition: transform 0.3s 0.2s;
}
.activity .button:before {
  background-color: #fff;
}
.activity .button:after {
  background-color: #fff;
}
.activity .button-box:before {
  background-color: #fff;
}
.activity .button-box:after {
  background-color: #fff;
}

.activity-top .activity-title-s {
  overflow: hidden;
  opacity: 0;
  -moz-transform: translateY(20px);
  -ms-transform: translateY(20px);
  -webkit-transform: translateY(20px);
  transform: translateY(20px);
  -moz-transition: opacity 0.5s, -moz-transform 0.8s ease-in-out;
  -o-transition: opacity 0.5s, -o-transform 0.8s ease-in-out;
  -webkit-transition: opacity 0.5s, -webkit-transform 0.8s ease-in-out;
  transition: opacity 0.5s, transform 0.8s ease-in-out;
}
.activity-top .activity-title-b {
  overflow: hidden;
}
.activity-top .activity-title-b span {
  display: inline-block;
  opacity: 0;
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -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;
  -moz-transition-delay: 0.5s;
  -o-transition-delay: 0.5s;
  -webkit-transition-delay: 0.5s;
  transition-delay: 0.5s;
}
.activity-top .activity-title:after {
  -moz-transform: scaleY(0);
  -ms-transform: scaleY(0);
  -webkit-transform: scaleY(0);
  transform: scaleY(0);
  -moz-transform-origin: center top;
  -ms-transform-origin: center top;
  -webkit-transform-origin: center top;
  transform-origin: center top;
  -moz-transition: -moz-transform 0.5s ease-in-out;
  -o-transition: -o-transform 0.5s ease-in-out;
  -webkit-transition: -webkit-transform 0.5s ease-in-out;
  transition: transform 0.5s ease-in-out;
  -moz-transition-delay: 1s;
  -o-transition-delay: 1s;
  -webkit-transition-delay: 1s;
  transition-delay: 1s;
}
.activity-top.open .activity-title-s {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.activity-top.open .activity-title-b span {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}
.activity-top.open .activity-title:after {
  -moz-transform: scaleY(1);
  -ms-transform: scaleY(1);
  -webkit-transform: scaleY(1);
  transform: scaleY(1);
}

.in-top {
  opacity: 0;
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -moz-transition: -moz-transform 1.2s, opacity 1s;
  -o-transition: -o-transform 1.2s, opacity 1s;
  -webkit-transition: -webkit-transform 1.2s, opacity 1s;
  transition: transform 1.2s, opacity 1s;
  -moz-transition-delay: 1s;
  -o-transition-delay: 1s;
  -webkit-transition-delay: 1s;
  transition-delay: 1s;
}
.in-top.open {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

.move-top {
  opacity: 0;
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -moz-transition: -moz-transform 1.2s, opacity 1s;
  -o-transition: -o-transform 1.2s, opacity 1s;
  -webkit-transition: -webkit-transform 1.2s, opacity 1s;
  transition: transform 1.2s, opacity 1s;
}
.move-top.show {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

.activity-bt {
  opacity: 0;
  -moz-transform: translateY(-30px);
  -ms-transform: translateY(-30px);
  -webkit-transform: translateY(-30px);
  transform: translateY(-30px);
  -moz-transition: -moz-transform 1.2s, opacity 1s;
  -o-transition: -o-transform 1.2s, opacity 1s;
  -webkit-transition: -webkit-transform 1.2s, opacity 1s;
  transition: transform 1.2s, opacity 1s;
}
.activity-bt.show {
  opacity: 1;
  -moz-transform: translateY(0);
  -ms-transform: translateY(0);
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

@media screen and (max-width: 1100px) {
  .activity-top {
    width: 80%;
  }
  .activity-title-s {
    color: #666;
  }
  .activity-slogan {
    color: #666;
  }
  .activity-content {
    width: 80%;
  }
  .activity-image p {
    color: #666;
  }
  .activity-hashtag {
    color: #666;
  }
  .activity .button {
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -webkit-transform: translateY(0);
    transform: translateY(0);
    -moz-transition: -moz-transform 0.3s 0.2s;
    -o-transition: -o-transform 0.3s 0.2s;
    -webkit-transition: -webkit-transform 0.3s;
    -webkit-transition-delay: 0.2s;
    transition: transform 0.3s 0.2s;
  }
  .activity .button:before {
    background-color: #000;
  }
  .activity .button:after {
    background-color: #000;
  }
  .activity .button-box:before {
    background-color: #000;
  }
  .activity .button-box:after {
    background-color: #000;
  }
}
@media screen and (max-width: 640px) {
  .activity-title-b {
    font-size: 18px;
  }
  .activity .button {
    margin: 50px 0;
  }
}
@media screen and (max-width: 460px) {
  .activity-bt {
    margin: 30px auto;
  }
  .activity .button {
    width: 55%;
    margin: 10px auto;
  }
  .activity .button-box {
    width: 100%;
    padding: 10px 0;
  }
  .activity .button-box:before {
    opacity: 0;
  }
  .activity .button-box:after {
    opacity: 0;
  }
}