@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500&family=Ubuntu:wght@300;400;500&display=swap");
body {
  font-family: "Montserrat", Arial, Helvetica, "STHeiti Light", "Heiti TC", "微軟正黑體", "Microsoft JhengHei", sans-serif;
  line-height: 1.5;
  letter-spacing: 1px;
  color: #e4e4e4;
  -webkit-text-size-adjust: 100%;
  background: #282f28;
}

a {
  text-decoration: none;
  color: #e4e4e4;
}
a:hover {
  color: #e4e4e4;
}

.loading {
  position: fixed;
  top: 0;
  width: 100%;
  height: 100%;
  background: #262b26;
  z-index: 20;
  -moz-transition: height 0.6s 1s;
  -o-transition: height 0.6s 1s;
  -webkit-transition: height 0.6s;
  -webkit-transition-delay: 1s;
  transition: height 0.6s 1s;
}
.loading.show-intro {
  height: 0;
}
.loading-bg {
  position: absolute;
  width: 100%;
  height: 0;
  bottom: 0;
  background: #232e23;
  box-shadow: 2px 0 6px #2a372a;
  opacity: 0.3;
  -moz-transform-origin: 0 0;
  -ms-transform-origin: 0 0;
  -webkit-transform-origin: 0 0;
  transform-origin: 0 0;
  -moz-transition: height 0.9s 0.2s, -moz-transform 1.2s cubic-bezier(0.2, 0.51, 0.72, 0.36) 0.5s;
  -o-transition: height 0.9s 0.2s, -o-transform 1.2s cubic-bezier(0.2, 0.51, 0.72, 0.36) 0.5s;
  -webkit-transition: height 0.9s, -webkit-transform 1.2s cubic-bezier(0.2, 0.51, 0.72, 0.36);
  -webkit-transition-delay: 0.2s, 0.5s;
  transition: height 0.9s 0.2s, transform 1.2s cubic-bezier(0.2, 0.51, 0.72, 0.36) 0.5s;
}
.loading-bg p {
  width: 100%;
  height: 100%;
  opacity: 0.6;
  background: linear-gradient(to top, #141a14, #ffffff);
  -moz-transition: height 1.2s cubic-bezier(0.2, 0.51, 0.72, 0.36) 0.5s;
  -o-transition: height 1.2s cubic-bezier(0.2, 0.51, 0.72, 0.36) 0.5s;
  -webkit-transition: height 1.2s cubic-bezier(0.2, 0.51, 0.72, 0.36);
  -webkit-transition-delay: 0.5s;
  transition: height 1.2s cubic-bezier(0.2, 0.51, 0.72, 0.36) 0.5s;
}
.show-intro .loading-bg {
  height: 100%;
  -moz-transform: scale(1, 0);
  -ms-transform: scale(1, 0);
  -webkit-transform: scale(1, 0);
  transform: scale(1, 0);
}
.show-intro .loading-bg p {
  height: 0;
}

.wrapper {
  overflow: hidden;
}

.header {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 58px 70px;
  box-sizing: border-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  z-index: 10;
  -moz-transition: padding 0.6s, background 0.6s;
  -o-transition: padding 0.6s, background 0.6s;
  -webkit-transition: padding 0.6s, background 0.6s;
  transition: padding 0.6s, background 0.6s;
}
.onScroll .header {
  padding: 20px 70px;
  background: #282f28;
}

.logo {
  width: 180px;
  height: 34.25px;
}
.logo img {
  width: 100%;
}

.nav {
  margin-left: auto;
}
.nav li {
  position: relative;
  display: inline-block;
  font-size: 0.875rem;
  margin-left: 45px;
  -moz-transition: text-shadow 0.6s;
  -o-transition: text-shadow 0.6s;
  -webkit-transition: text-shadow 0.6s;
  transition: text-shadow 0.6s;
}
.nav li a {
  color: #FFF;
  -moz-transition: color 0.6s;
  -o-transition: color 0.6s;
  -webkit-transition: color 0.6s;
  transition: color 0.6s;
}
.onScroll .nav li a {
  color: #e4e4e4;
}
.nav li .tw {
  position: absolute;
  top: 0;
  left: 50%;
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  white-space: nowrap;
  opacity: 0;
}
.nav li .tw, .nav li .en {
  -moz-transition: opacity 0.6s;
  -o-transition: opacity 0.6s;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}
.nav li .tw:after, .nav li .en:after {
  content: "";
  display: block;
  height: 1px;
  width: 0;
  margin-top: 2px;
  background: #ddd;
  -moz-transition: background 0.6s, box-shadow 0.6s;
  -o-transition: background 0.6s, box-shadow 0.6s;
  -webkit-transition: background 0.6s, box-shadow 0.6s;
  transition: background 0.6s, box-shadow 0.6s;
}
.onScroll .nav li .tw:after, .onScroll .nav li .en:after {
  box-shadow: unset;
}
.nav li.active .en:after, .nav li.active .tw:after {
  width: 100%;
}
.nav li a:hover .en {
  opacity: 0;
}
.nav li a:hover .tw {
  opacity: 1;
}

.menu-btn {
  width: 25px;
  margin-left: auto;
  cursor: pointer;
  display: none;
}

.hamburger {
  display: inline-block;
  vertical-align: middle;
  position: relative;
  height: 18px;
  width: 100%;
}
.hamburger-bar {
  width: 25px;
  height: 1px;
  background: #FFF;
  position: relative;
}
.hamburger-bar:after {
  content: "";
  width: 5px;
  height: 5px;
  background: #262b26;
  position: absolute;
  top: 50%;
  left: 49%;
  opacity: 0;
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  -moz-transition: opacity 0s;
  -o-transition: opacity 0s;
  -webkit-transition: opacity 0s;
  transition: opacity 0s;
}
.hamburger-bar:nth-child(1) {
  position: absolute;
  top: 25%;
  left: 0;
  -moz-transform-origin: 25% -100%;
  -ms-transform-origin: 25% -100%;
  -webkit-transform-origin: 25% -100%;
  transform-origin: 25% -100%;
  -moz-transition: -moz-transform 0.6s;
  -o-transition: -o-transform 0.6s;
  -webkit-transition: -webkit-transform 0.6s;
  transition: transform 0.6s;
}
.hamburger-bar:last-child {
  position: absolute;
  top: 65%;
  left: 0;
  -moz-transform-origin: 25% 150%;
  -ms-transform-origin: 25% 150%;
  -webkit-transform-origin: 25% 150%;
  transform-origin: 25% 150%;
  -moz-transition: -moz-transform 0.6s;
  -o-transition: -o-transform 0.6s;
  -webkit-transition: -webkit-transform 0.6s;
  transition: transform 0.6s;
}
.show-nav .hamburger-bar:after {
  opacity: 1;
  -moz-transition: opacity 0.6s;
  -o-transition: opacity 0.6s;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}
.show-nav .hamburger-bar:nth-child(1) {
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}
.show-nav .hamburger-bar:last-child {
  -moz-transform: rotate(-45deg);
  -ms-transform: rotate(-45deg);
  -webkit-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.top {
  position: relative;
  height: calc(100vh - 180px);
  margin: 150px 70px 30px 0;
  background: #282f28;
  box-sizing: border-box;
  color: #FFF;
  -moz-transition: padding 1s;
  -o-transition: padding 1s;
  -webkit-transition: padding 1s;
  transition: padding 1s;
  z-index: 5;
}
.top-img {
  position: relative;
  height: 100%;
  overflow: hidden;
}
.top-image {
  position: relative;
  width: 82%;
  height: 100%;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  clip-path: polygon(0% 0%, 0% 0%, 0% 100%, 0% 100%);
  -moz-transition: clip-path 3s;
  -o-transition: clip-path 3s;
  -webkit-transition: clip-path 3s;
  transition: clip-path 3s;
}
.top-image.show-img {
  clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
}
.top-title {
  position: absolute;
  bottom: 0px;
  left: 83%;
  writing-mode: vertical-lr;
  -webkit-writing-mode: vertical-lr;
  text-orientation: mixed;
  text-align: right;
  letter-spacing: 0.1rem;
  opacity: 0;
  -moz-transform: translateY(-30px);
  -ms-transform: translateY(-30px);
  -webkit-transform: translateY(-30px);
  transform: translateY(-30px);
  -moz-transition: opacity 2s, -moz-transform 2s;
  -o-transition: opacity 2s, -o-transform 2s;
  -webkit-transition: opacity 2s, -webkit-transform 2s;
  transition: opacity 2s, transform 2s;
}
.top-title.show-text {
  opacity: 1;
  -moz-transform: translateY(0px);
  -ms-transform: translateY(0px);
  -webkit-transform: translateY(0px);
  transform: translateY(0px);
}
.top-title .en {
  font-family: "Ubuntu", Arial, Helvetica;
  font-size: 28px;
  font-weight: 300;
  color: transparent;
  text-stroke: 0.5px #c4c4c4;
  -webkit-text-stroke: 0.5px #c4c4c4;
}

.main {
  position: relative;
  background: #282f28;
  z-index: 6;
  padding: 100px 0;
}

.section {
  padding: 100px 0;
}

.title {
  -webkit-writing-mode: vertical-lr;
  writing-mode: vertical-lr;
  letter-spacing: 0.12rem;
}
.title.show .en {
  opacity: 1;
  -moz-transform: translateY(0px);
  -ms-transform: translateY(0px);
  -webkit-transform: translateY(0px);
  transform: translateY(0px);
}
.title.show .en:after {
  clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
}
.title.show .tw {
  opacity: 1;
  -moz-transform: translateY(0px);
  -ms-transform: translateY(0px);
  -webkit-transform: translateY(0px);
  transform: translateY(0px);
}
.title .en {
  font-family: "Ubuntu", Arial, Helvetica;
  font-size: 0.875rem;
  color: #b5a25b;
  opacity: 0;
  -moz-transform: translateY(-20px);
  -ms-transform: translateY(-20px);
  -webkit-transform: translateY(-20px);
  transform: translateY(-20px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}
.title .en:after {
  content: "";
  width: 1px;
  height: 50px;
  background: #c3af60;
  display: inline-block;
  margin-top: 10px;
  clip-path: polygon(0% 0%, 100% 0%, 100% 0%, 0% 0%);
  -moz-transition: clip-path 0.6s 0.2s;
  -o-transition: clip-path 0.6s 0.2s;
  -webkit-transition: clip-path 0.6s;
  -webkit-transition-delay: 0.2s;
  transition: clip-path 0.6s 0.2s;
}
.title .tw {
  font-size: 0.875rem;
  color: #FFF;
  opacity: 0;
  -moz-transform: translateY(-20px);
  -ms-transform: translateY(-20px);
  -webkit-transform: translateY(-20px);
  transform: translateY(-20px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}

.text {
  font-size: 0.875rem;
}
.text p {
  margin-bottom: 20px;
}
.text p:last-child {
  margin-bottom: 0;
}
.text p.en {
  font-size: 0.75rem;
  color: #c4c4c4;
}

.btn.show .btn-dot {
  opacity: 1;
}
.btn.show .btn-text {
  clip-path: polygon(0% 0%, 120% 0%, 120% 100%, 0% 100%);
}
.btn a:hover .btn-dot {
  margin-right: 8px;
}
.btn a:hover .btn-dot:after {
  -moz-transform: scale(1.25);
  -ms-transform: scale(1.25);
  -webkit-transform: scale(1.25);
  transform: scale(1.25);
}
.btn a:hover .btn-text {
  letter-spacing: 0.1rem;
  color: #FFF;
}
.btn-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  border: 1px solid #ddd;
  display: inline-block;
  margin-right: 5px;
  margin-left: 2px;
  position: relative;
  opacity: 0;
  -moz-transition: margin-right 0.3s, opacity 0.6s;
  -o-transition: margin-right 0.3s, opacity 0.6s;
  -webkit-transition: margin-right 0.3s, opacity 0.6s;
  transition: margin-right 0.3s, opacity 0.6s;
}
.btn-dot:after {
  content: "";
  width: 4px;
  height: 4px;
  background: rgba(221, 221, 221, 0.7);
  border-radius: 50%;
  box-shadow: 0 0 10px #000;
  position: absolute;
  top: 0;
  left: 0;
  -moz-transform: scale(0);
  -ms-transform: scale(0);
  -webkit-transform: scale(0);
  transform: scale(0);
  -moz-transition: -moz-transform 0.3s;
  -o-transition: -o-transform 0.3s;
  -webkit-transition: -webkit-transform 0.3s;
  transition: transform 0.3s;
}
.btn-text {
  font-size: 0.75rem;
  clip-path: polygon(0% 0%, 0% 0%, 0% 100%, 0% 100%);
  -moz-transition: letter-spacing 0.3s, color 0.3s, clip-path 0.6s 0.2s;
  -o-transition: letter-spacing 0.3s, color 0.3s, clip-path 0.6s 0.2s;
  -webkit-transition: letter-spacing 0.3s, color 0.3s, clip-path 0.6s;
  -webkit-transition-delay: 0s, 0s, 0.2s;
  transition: letter-spacing 0.3s, color 0.3s, clip-path 0.6s 0.2s;
}

.footer-inner {
  font-size: 0.75rem;
  margin: 0 70px;
  padding: 30px 0;
  border-top: 1px solid #2a372a;
  text-align: center;
}
.footer-social {
  padding-bottom: 15px;
}
.footer-social a {
  margin: 0 5px;
  color: #c4c4c4;
  -moz-transition: color 0.3s;
  -o-transition: color 0.3s;
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
}
.footer-social a:hover {
  color: #e4e4e4;
}

.scroll-down {
  position: absolute;
  bottom: -30px;
  right: -40px;
  width: 10px;
  height: 80px;
  z-index: 5;
  overflow: hidden;
  cursor: pointer;
}
.scroll-down-line {
  width: 1px;
  height: 100%;
  background: #ddd;
  position: absolute;
  left: 5px;
  overflow: hidden;
}
.scroll-down-deco {
  width: 5px;
  height: 5px;
  background: #ddd;
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 2.5px;
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  -moz-animation: line-down 1.8s infinite cubic-bezier(0.55, 0.055, 0.675, 0.19);
  -webkit-animation: line-down 1.8s infinite cubic-bezier(0.55, 0.055, 0.675, 0.19);
  animation: line-down 1.8s infinite cubic-bezier(0.55, 0.055, 0.675, 0.19);
}
.scroll-top {
  position: fixed;
  right: 20px;
  bottom: 0px;
  width: 30px;
  height: 97px;
  z-index: 9;
  cursor: pointer;
  -moz-transition: opacity 0.6s, bottom 0.6s;
  -o-transition: opacity 0.6s, bottom 0.6s;
  -webkit-transition: opacity 0.6s, bottom 0.6s;
  transition: opacity 0.6s, bottom 0.6s;
}
.scroll-top:hover .scroll-top-text {
  color: #FFF;
}
.scroll-top-text {
  font-size: 0.75rem;
  text-align: center;
  letter-spacing: 0.1rem;
  -moz-transition: color 0.3s;
  -o-transition: color 0.3s;
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
}
.scroll-top-line {
  width: 1px;
  height: 75px;
  background: #ddd;
  position: absolute;
  left: 15px;
  bottom: 0;
  overflow: hidden;
}
.scroll-top-deco {
  width: 5px;
  height: 5px;
  background: #ddd;
  border-radius: 50%;
  position: absolute;
  top: 23px;
  left: 12.5px;
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  -moz-animation: line-up 1.8s infinite cubic-bezier(0.55, 0.055, 0.675, 0.19);
  -webkit-animation: line-up 1.8s infinite cubic-bezier(0.55, 0.055, 0.675, 0.19);
  animation: line-up 1.8s infinite cubic-bezier(0.55, 0.055, 0.675, 0.19);
}

@-moz-keyframes line-down {
  0% {
    top: 0;
  }
  75% {
    top: 100%;
  }
  100% {
    top: calc(100% + 10px);
  }
}
@-webkit-keyframes line-down {
  0% {
    top: 0;
  }
  75% {
    top: 100%;
  }
  100% {
    top: calc(100% + 10px);
  }
}
@keyframes line-down {
  0% {
    top: 0;
  }
  75% {
    top: 100%;
  }
  100% {
    top: calc(100% + 10px);
  }
}
@-moz-keyframes line-up {
  0% {
    top: 23px;
  }
  75% {
    top: 100%;
  }
  100% {
    top: calc(100% + 10px);
  }
}
@-webkit-keyframes line-up {
  0% {
    top: 23px;
  }
  75% {
    top: 100%;
  }
  100% {
    top: calc(100% + 10px);
  }
}
@keyframes line-up {
  0% {
    top: 23px;
  }
  75% {
    top: 100%;
  }
  100% {
    top: calc(100% + 10px);
  }
}
/* 動態 */
.fadeDown {
  opacity: 0;
  -moz-transform: translateY(-30px);
  -ms-transform: translateY(-30px);
  -webkit-transform: translateY(-30px);
  transform: translateY(-30px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}
.fadeDown.show {
  opacity: 1;
  -moz-transform: translateY(0px);
  -ms-transform: translateY(0px);
  -webkit-transform: translateY(0px);
  transform: translateY(0px);
}

.fadeUp {
  opacity: 0;
  -moz-transform: translateY(30px);
  -ms-transform: translateY(30px);
  -webkit-transform: translateY(30px);
  transform: translateY(30px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}
.fadeUp.show {
  opacity: 1;
  -moz-transform: translateY(0px);
  -ms-transform: translateY(0px);
  -webkit-transform: translateY(0px);
  transform: translateY(0px);
}

.fadeLeft {
  opacity: 0;
  -moz-transform: translateX(30px);
  -ms-transform: translateX(30px);
  -webkit-transform: translateX(30px);
  transform: translateX(30px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}
.fadeLeft.show {
  opacity: 1;
  -moz-transform: translateX(0);
  -ms-transform: translateX(0);
  -webkit-transform: translateX(0);
  transform: translateX(0);
}

.fadeRight {
  opacity: 0;
  -moz-transform: translateX(-30px);
  -ms-transform: translateX(-30px);
  -webkit-transform: translateX(-30px);
  transform: translateX(-30px);
  -moz-transition: opacity 0.6s, -moz-transform 0.6s;
  -o-transition: opacity 0.6s, -o-transform 0.6s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  transition: opacity 0.6s, transform 0.6s;
}
.fadeRight.show {
  opacity: 1;
  -moz-transform: translateX(0);
  -ms-transform: translateX(0);
  -webkit-transform: translateX(0);
  transform: translateX(0);
}

.imgLeft {
  position: relative;
}
.imgLeft:after {
  content: "";
  width: 100%;
  height: 100%;
  background: #282f28;
  position: absolute;
  top: 0;
  right: 0;
  -moz-transition: width 0.6s;
  -o-transition: width 0.6s;
  -webkit-transition: width 0.6s;
  transition: width 0.6s;
}
.imgLeft.show:after {
  width: 0;
}

.imgRight {
  position: relative;
}
.imgRight:after {
  content: "";
  width: 100%;
  height: 100%;
  background: #282f28;
  position: absolute;
  top: 0;
  left: 0;
  -moz-transition: width 0.6s;
  -o-transition: width 0.6s;
  -webkit-transition: width 0.6s;
  transition: width 0.6s;
}
.imgRight.show:after {
  width: 0;
}

.imgTop {
  position: relative;
}
.imgTop:after {
  content: "";
  width: 100%;
  height: 100%;
  background: #282f28;
  position: absolute;
  bottom: 0;
  left: 0;
  -moz-transition: height 0.6s;
  -o-transition: height 0.6s;
  -webkit-transition: height 0.6s;
  transition: height 0.6s;
}
.imgTop.show:after {
  height: 0;
}

.imgBottom {
  position: relative;
}
.imgBottom:after {
  content: "";
  width: 100%;
  height: 100%;
  background: #282f28;
  position: absolute;
  top: 0;
  left: 0;
  -moz-transition: height 0.6s;
  -o-transition: height 0.6s;
  -webkit-transition: height 0.6s;
  transition: height 0.6s;
}
.imgBottom.show:after {
  height: 0;
}

@media screen and (max-width: 1400px) {
  .top-image {
    width: 87.2%;
  }
  .top-title {
    left: 88%;
  }
}
@media screen and (max-width: 1100px) {
  /* set tablet */
  .nav {
    position: fixed;
    width: 350px;
    height: 100vh;
    top: 0;
    right: 0;
    background: #262b26;
    -moz-transform: translateX(100%);
    -ms-transform: translateX(100%);
    -webkit-transform: translateX(100%);
    transform: translateX(100%);
    -moz-transition: -moz-transform 1s, top 0.6s, height 0.6s;
    -o-transition: -o-transform 1s, top 0.6s, height 0.6s;
    -webkit-transition: -webkit-transform 1s, top 0.6s, height 0.6s;
    transition: transform 1s, top 0.6s, height 0.6s;
  }
  .nav ul {
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-flow: column;
    flex-flow: column;
    position: absolute;
    left: 50%;
    top: 50%;
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
  }
  .nav li {
    display: block;
    margin-left: unset;
    padding: 20px 0;
    opacity: 0;
    -moz-transform: translateX(30px);
    -ms-transform: translateX(30px);
    -webkit-transform: translateX(30px);
    transform: translateX(30px);
  }
  .nav li:before {
    content: "";
    width: 20px;
    height: 1px;
    background: #ddd;
    position: absolute;
    top: 48%;
    left: -40px;
  }
  .nav li:after {
    content: "";
    width: 5px;
    height: 5px;
    border-top: 1px solid #ddd;
    border-left: 1px solid #ddd;
    position: absolute;
    top: 45%;
    left: -50px;
    opacity: 0;
    -moz-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
  }
  .nav li .tw {
    top: 50%;
    left: 0%;
    -moz-transform: translate(0%, -50%);
    -ms-transform: translate(0%, -50%);
    -webkit-transform: translate(0%, -50%);
    transform: translate(0%, -50%);
  }
  .nav li .tw:after, .nav li .en:after {
    display: none;
  }
  .nav li.active {
    margin-left: 10px;
  }
  .nav li.active:after {
    opacity: 1;
  }
  .show-nav .nav {
    -moz-transform: translateX(0);
    -ms-transform: translateX(0);
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }
  .show-nav .nav li {
    opacity: 1;
    -moz-transform: translateX(0);
    -ms-transform: translateX(0);
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }
  .show-nav .nav li:nth-child(1) {
    -moz-transition: opacity 0.6s 0.4s, -moz-transform 0.6s 0.4s;
    -o-transition: opacity 0.6s 0.4s, -o-transform 0.6s 0.4s;
    -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
    -webkit-transition-delay: 0.4s, 0.4s;
    transition: opacity 0.6s 0.4s, transform 0.6s 0.4s;
  }
  .show-nav .nav li:nth-child(2) {
    -moz-transition: opacity 0.6s 0.5s, -moz-transform 0.6s 0.5s;
    -o-transition: opacity 0.6s 0.5s, -o-transform 0.6s 0.5s;
    -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
    -webkit-transition-delay: 0.5s, 0.5s;
    transition: opacity 0.6s 0.5s, transform 0.6s 0.5s;
  }
  .show-nav .nav li:nth-child(3) {
    -moz-transition: opacity 0.6s 0.6s, -moz-transform 0.6s 0.6s;
    -o-transition: opacity 0.6s 0.6s, -o-transform 0.6s 0.6s;
    -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
    -webkit-transition-delay: 0.6s, 0.6s;
    transition: opacity 0.6s 0.6s, transform 0.6s 0.6s;
  }
  .show-nav .nav li:nth-child(4) {
    -moz-transition: opacity 0.6s 0.7s, -moz-transform 0.6s 0.7s;
    -o-transition: opacity 0.6s 0.7s, -o-transform 0.6s 0.7s;
    -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
    -webkit-transition-delay: 0.7s, 0.7s;
    transition: opacity 0.6s 0.7s, transform 0.6s 0.7s;
  }
  .show-nav .nav li:nth-child(5) {
    -moz-transition: opacity 0.6s 0.8s, -moz-transform 0.6s 0.8s;
    -o-transition: opacity 0.6s 0.8s, -o-transform 0.6s 0.8s;
    -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
    -webkit-transition-delay: 0.8s, 0.8s;
    transition: opacity 0.6s 0.8s, transform 0.6s 0.8s;
  }

  .menu-btn {
    display: block;
  }

  .hamburger-bar {
    -moz-transition: background 0.6s;
    -o-transition: background 0.6s;
    -webkit-transition: background 0.6s;
    transition: background 0.6s;
  }
  .show-nav .hamburger-bar {
    background: #e4e4e4;
  }

  .top-image {
    width: 100%;
  }
  .top-title {
    writing-mode: initial;
    -webkit-writing-mode: initial;
    text-orientation: initial;
    bottom: 80px;
    left: 70px;
    text-align: left;
    letter-spacing: 0.15rem;
  }
  .top-title .en {
    font-size: 1.5rem;
    color: #FFF;
    text-shadow: 0 0 8px #333;
    text-stroke: unset;
    -webkit-text-stroke: unset;
  }
  .top-title .tw {
    font-size: 0.875rem;
    color: #FFF;
    text-shadow: 0 0 8px #333;
  }

  .main {
    padding: 70px 0;
  }

  .section {
    padding: 70px 0;
  }
}
@media screen and (max-width: 640px) {
  /* set mobile */
  .header {
    padding: 38px 35px;
  }
  .onScroll .header {
    padding: 20px 35px;
  }

  .logo {
    width: 160px;
    height: 30.45px;
  }

  .nav {
    width: 100vw;
  }
  .nav ul {
    left: calc(50% + 10px);
  }
  .nav li {
    padding: 15px 0;
    font-size: 0.75rem;
  }

  .top {
    margin: 110px 35px 30px 0;
    height: calc(100vh - 140px);
  }
  .top-image {
    -moz-transition: clip-path 2.4s;
    -o-transition: clip-path 2.4s;
    -webkit-transition: clip-path 2.4s;
    transition: clip-path 2.4s;
  }
  .top-title {
    left: 35px;
    bottom: 90px;
    letter-spacing: 0.12rem;
  }
  .top-title .en {
    font-size: 1.25rem;
    font-weight: normal;
  }
  .top-title .tw {
    font-size: 0.75rem;
  }

  .main {
    padding: 50px 0;
  }

  .section {
    padding: 50px 0;
  }

  .footer-inner {
    margin: 0 35px;
    text-align: left;
    padding: 30px 50px 30px 0;
  }

  .scroll-down {
    bottom: 0;
    right: 20px;
    height: 60px;
  }
  .scroll-down-line {
    background: #FFF;
    box-shadow: 0 0 8px #333;
  }
  .scroll-down-deco {
    background: #FFF;
    box-shadow: 0 0 8px #333;
    -moz-animation: line-down 1.4s infinite cubic-bezier(0.55, 0.055, 0.675, 0.19);
    -webkit-animation: line-down 1.4s infinite cubic-bezier(0.55, 0.055, 0.675, 0.19);
    animation: line-down 1.4s infinite cubic-bezier(0.55, 0.055, 0.675, 0.19);
  }
  .scroll-top {
    height: 77px;
    right: 10px;
  }
  .scroll-top-line {
    height: 55px;
  }
}