* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

/* @font-face {
  font-family: GenRyuMin-B;
  src: url("./GenRyuMin-H.ttc");
}

@font-face {
  font-family: GenRyuMin;
  src: url("./GenRyuMin-SB.ttc");
} */

body {
  background-color: black;
  overflow: hidden;
}

img {
  width: 100%;
}

.groupBtn {
  width: 100%;
  position: relative;
}

.groupBtn .font {
  opacity: 1;
  -webkit-transition: .5s;
  transition: .5s;
}

.groupBtn .back {
  width: 100%;
  position: absolute;
  top: 0;
  left: 0 !important;
  opacity: 0;
  -webkit-transition: .5s;
  transition: .5s;
}

.groupBtn:hover .font {
  opacity: 0;
}

.groupBtn:hover .back {
  opacity: 1;
}

.container {
  width: 86%;
  height: 100%;
  margin: auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding-left: 40px;
}

/*
.page{
    &:hover{
        .page1{
            transform :perspective(1000px) rotateY(-180deg);
        }
    }
}
*/
.page {
  width: 100%;
  height: 100%;
}

.cloud {
  width: 32%;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
}

.cloud-pos1 {
  top: 60%;
  left: 40%;
}

.cloud-pos2 {
  top: 40%;
  left: 60%;
}

.page1 {
  width: 100%;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.page1 .desktop {
  -webkit-transition: .5s;
  transition: .5s;
  -webkit-transform-origin: left;
          transform-origin: left;
  position: relative;
  display: block;
  width: 100%
}

.page1 .desktop .main-logo {
  width: 33%;
  position: absolute;
  top: 250%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
}

.page1 .desktop .nextPageBtn {
  cursor: pointer;
  width: 15%;
  position: absolute;
  bottom: 1%;
  right: 1%;
  pointer-events: none;
}

.page1 .desktop .font {
  position: relative;
}

.page1 .desktop .back {
  position: absolute;
}

.page1 .desktop::before {
  content: '';
  width: 90%;
  height: 100%;
  background-image: url("../img/o.png");
  background-repeat: no-repeat;
  background-size: 14%;
  background-position: left center;
  position: absolute;
  z-index: 3;
  top: 0;
  left: -7%;
  pointer-events: none;
}

.page2 {
  width: 100%;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  opacity: 0;
  pointer-events: none;
}

.page2 .desktop {
  -webkit-transition: .5s;
  transition: .5s;
  -webkit-transform-origin: left;
          transform-origin: left;
  position: relative;
}

.page2 .desktop .font {
  position: relative;
}

.page2 .desktop .back {
  position: absolute;
  width: 100%;
  left: -102%;
  top: 0;
}

.page2 .desktop::before {
  content: '';
  width: 90%;
  height: 100%;
  background-image: url("../img/twosidehole.png");
  background-repeat: no-repeat;
  background-size: 14%;
  background-position: left center;
  position: absolute;
  z-index: 3;
  top: 0;
  left: -7%;
  pointer-events: none;
}

.menu {
  position: absolute;
  top: 45%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  width: 40%;
  pointer-events: none;
}

.menu .title {
  font-size: 1.8vmax;
  text-align: center;
  margin: 2%;
  position: relative;
  font-family: 'Noto Serif TC', serif;
  font-weight: 900;
}

.menu .title::after {
  content: '';
  background-image: url("../img/line.png");
  width: 35%;
  height: 1px;
  position: absolute;
  top: 40%;
  right: 0;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}

.menu .title::before {
  content: '';
  background-image: url("../img/line.png");
  width: 35%;
  height: 1px;
  width: 35%;
  position: absolute;
  top: 40%;
  left: 0;
  font-weight: bold;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}

.menu .item {
  font-family: 'Noto Serif TC', serif;
  font-weight: 900;
  width: 100%;
  font-size: 1.2vmax;
  text-align: center;
  margin: 2% auto;
  cursor: pointer;
  position: relative;
}

.menu .item a {
  color: black;
  text-decoration: none;
}

.menu .item span {
  position: absolute;
  top: 48%;
  right: 4%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  font-family: GenRyuMin-B;
  font-style: italic;
  opacity: 0;
  -webkit-animation: newAnim 2s ease-in-out infinite;
          animation: newAnim 2s ease-in-out infinite;
}

.menu .item-new::after {
  content: '';
  border-top-left-radius: 100%;
  border-bottom-left-radius: 100%;
  background-color: black;
  height: 5px;
  width: 2.5%;
  position: absolute;
  top: 48%;
  right: 15%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}

.menu .item-new::before {
  content: '';
  border-top-right-radius: 100%;
  border-bottom-right-radius: 100%;
  background-color: black;
  height: 5px;
  width: 2.5%;
  position: absolute;
  top: 48%;
  left: 15%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}

.menu .item-none {
  opacity: .9;
  pointer-events: none;
}

.menu .item-none a {
  color: #8b8b8b;
  text-decoration: none;
}

.menu .line {
  width: 20%;
  height: 3px;
}

@-webkit-keyframes newAnim {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

@keyframes newAnim {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

.mobile {
  display: none;
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.mobile .main-logo {
  width: 95%;
  position: absolute;
  left: 50%;
  top: 100%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

.mobile .bg {
  width: 100%;
  height: 100%;
  background-image: url("../img/mobile/mobile_bg.png");
  background-size: cover;
  background-position: center;
}

.mobile .top {
  width: 100%;
  position: absolute;
  top: -0.5%;
}

.mobile .footer {
  position: absolute;
  z-index: 1;
  bottom: -0.7%;
  width: 100%;
}

.mobile .nextPageBtn {
  cursor: pointer;
  width: 50%;
  position: absolute;
  z-index: 0;
  bottom: -1%;
  right: -3%;
  pointer-events: none;
}

.mobile .track {
  width: 70%;
  position: absolute;
  bottom: -10%;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

.mobile .bottomSoldier {
  position: absolute;
  bottom: 5%;
  right: 0;
  width: 80%;
}

.storyBtn{
  position: absolute;
  cursor: pointer;
  bottom: 5%;
  left: 8%;
  transform: translateY(-50%);
  width: 20%;
}
.subtitle{
  position: absolute;
  bottom: 3%;
  left: 2%;
  width: 36%;
}
.alert{
  position: absolute;
  top: 2% ;
  right: 2%;
  letter-spacing: 0.15em;
  font-family: 'Noto Serif TC', serif;
  font-size: 16px;
  color: rgb(19, 4, 4);
  opacity: 1;
}

@media only screen and (max-width: 600px) {
  .container {
    width: 100%;
    padding-left: 0px;
  }
  .desktop {
    display: none;
  }
  .mobile {
    display: block;
  }
  .page {
    overflow: hidden;
  }
  .menu {
    top: 40%;
    width: 90%;
  }
  .menu .title {
    font-size: 3.5vmax;
    margin: 0 0 4.5%;
  }
  .menu .item {
    font-size: 2.5vmax;
    margin: 2% auto;
  }
  .menu .item span {
    display: none;
  }
  .menu .item-new::after {
    width: 3.5%;
    right: 0%;
  }
  .menu .item-new::before {
    width: 3.5%;
    left: 0%;
  }
  .menu .item-height {
    margin: 2.8% 0;
  }
  .storyBtn{
    bottom: initial;
    top: 3%;
    left: 2%;
    width: 50%;
    transform: none;
  }
  .subtitle{
    position: absolute;
    bottom: 3.6%;
    left: 2.5%;
    width: 47%;
  }
  .alert{
    position: absolute;
    top: 2.2% ;
    right: 2.5%;
    white-space: nowrap;
    letter-spacing: 0.15em;
    font-family: 'Noto Serif TC', serif;
    font-size: 12px;
    opacity: 0.9;
    color: rgb(32, 7, 7);
  }
}
@media screen and (max-width: 300px){
  .menu .item-new::after {
    display: none;
  }
  .menu .item-new::before {
    display: none;
  }
}