@charset "UTF-8";
@import url("https://fonts.googleapis.com/css2?family=Nunito+Sans:opsz@6..12&display=swap");
/*set layout */
body {
  font-family: "Nunito Sans", Arial, Helvetica, "STHeiti Light", "Heiti TC", "微軟正黑體", "Microsoft JhengHei", sans-serif;
  line-height: 1.5;
  letter-spacing: 1px;
  color: #999;
  background: #222;
  -webkit-text-size-adjust: 100%;
}

a {
  text-decoration: none;
  color: #999;
}
a:hover {
  color: #fff;
}

* img {
  width: 100%;
}

.wrapper {
  overflow: hidden;
}

.header {
  position: fixed;
  width: 100%;
  padding: 20px 50px;
  box-sizing: border-box;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -moz-transition: background 0.6s, padding 0.6s;
  -o-transition: background 0.6s, padding 0.6s;
  -webkit-transition: background 0.6s, padding 0.6s;
  transition: background 0.6s, padding 0.6s;
  z-index: 20;
}
.onScroll .header {
  background: #222;
}
.show-nav .header {
  background: #444;
}
.header-btn {
  font-size: 0.75rem;
}
.header-btn a {
  position: relative;
  display: inline-block;
  color: #FFF;
  letter-spacing: 2px;
  margin-right: 40px;
  -moz-transition: opacity 0.6s;
  -o-transition: opacity 0.6s;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}
.show-nav .header-btn a {
  opacity: 0;
  pointer-events: none;
}
.header-btn a .tw {
  position: absolute;
  left: 50%;
  white-space: nowrap;
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  opacity: 0;
}
.header-btn a .tw:after {
  content: "";
  display: block;
  height: 1px;
  width: 0;
  background: #FFF;
  -moz-transition: width 0.6s;
  -o-transition: width 0.6s;
  -webkit-transition: width 0.6s;
  transition: width 0.6s;
}
.header-btn a .tw, .header-btn a .en {
  -moz-transition: opacity 0.6s;
  -o-transition: opacity 0.6s;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}
.header-btn a:hover .en {
  opacity: 0;
}
.header-btn a:hover .tw {
  opacity: 1;
}
.header-btn a:hover .tw:after {
  width: 100%;
}

.logo {
  position: relative;
  -webkit-filter: brightness(20);
  filter: brightness(20);
  height: 60px;
}
.logo-text {
  position: absolute;
  left: -999px;
}
.logo img {
  height: 100%;
}

.nav {
  position: fixed;
  top: 100%;
  width: 100%;
  height: 100%;
  z-index: 15;
  background: #444;
  -moz-animation: nav-close 1s forwards;
  -webkit-animation: nav-close 1s forwards;
  animation: nav-close 1s forwards;
}
.show-nav .nav {
  -moz-animation: nav-open 1s forwards;
  -webkit-animation: nav-open 1s forwards;
  animation: nav-open 1s forwards;
}
.nav nav {
  position: relative;
  margin: 20vh 50px;
  width: fit-content;
  opacity: 0;
  -moz-transition: opacity 0.6s;
  -o-transition: opacity 0.6s;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}
.show-nav .nav nav {
  opacity: 1;
  -moz-transition-delay: 1s;
  -o-transition-delay: 1s;
  -webkit-transition-delay: 1s;
  transition-delay: 1s;
}
.nav nav li {
  padding: 8px 0;
}
.nav nav a {
  display: block;
  color: #FFF;
  height: 30px;
  line-height: 30px;
  overflow: hidden;
}
.nav nav a .en {
  letter-spacing: 2px;
  -moz-transition: margin 0.6s;
  -o-transition: margin 0.6s;
  -webkit-transition: margin 0.6s;
  transition: margin 0.6s;
}
.nav nav a .tw {
  font-size: 0.9375rem;
}
.nav nav a .en, .nav nav a .tw {
  display: block;
}
.nav nav a:hover .en {
  margin-top: -30px;
}
.nav-label {
  position: absolute;
  top: -30px;
  left: -18px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: rgba(255, 255, 255, 0.3) solid 1px;
  -moz-transition: top 0.6s, opacity 0.3s;
  -o-transition: top 0.6s, opacity 0.3s;
  -webkit-transition: top 0.6s, opacity 0.3s;
  transition: top 0.6s, opacity 0.3s;
}
.nav-social {
  position: absolute;
  bottom: 50px;
  left: 50px;
  opacity: 0;
  -moz-transition: opacity 0.6s;
  -o-transition: opacity 0.6s;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}
.show-nav .nav-social {
  opacity: 1;
  -moz-transition-delay: 1s;
  -o-transition-delay: 1s;
  -webkit-transition-delay: 1s;
  transition-delay: 1s;
}
.nav-consult {
  position: absolute;
  bottom: 50px;
  right: 50px;
  font-size: 0.675rem;
  opacity: 0;
  -moz-transition: opacity 0.6s;
  -o-transition: opacity 0.6s;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}
.show-nav .nav-consult {
  opacity: 1;
  -moz-transition-delay: 1s;
  -o-transition-delay: 1s;
  -webkit-transition-delay: 1s;
  transition-delay: 1s;
}

@-moz-keyframes nav-open {
  0% {
    top: 100%;
  }
  100% {
    top: 0%;
  }
}
@-webkit-keyframes nav-open {
  0% {
    top: 100%;
  }
  100% {
    top: 0%;
  }
}
@keyframes nav-open {
  0% {
    top: 100%;
  }
  100% {
    top: 0%;
  }
}
@-moz-keyframes nav-close {
  0% {
    top: 0%;
  }
  99.9% {
    top: -100%;
  }
  100% {
    top: 100%;
  }
}
@-webkit-keyframes nav-close {
  0% {
    top: 0%;
  }
  99.9% {
    top: -100%;
  }
  100% {
    top: 100%;
  }
}
@keyframes nav-close {
  0% {
    top: 0%;
  }
  99.9% {
    top: -100%;
  }
  100% {
    top: 100%;
  }
}
.hamburger {
  width: 25px;
  display: inline-block;
  vertical-align: middle;
  cursor: pointer;
}
.hamburger-bar {
  height: 1px;
  background: rgba(255, 255, 255, 0.7);
  margin: 5px 0;
  -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:nth-child(1) {
  -moz-transform: translateY(3px) rotate(30deg);
  -ms-transform: translateY(3px) rotate(30deg);
  -webkit-transform: translateY(3px) rotate(30deg);
  transform: translateY(3px) rotate(30deg);
}
.show-nav .hamburger-bar:nth-child(2) {
  -moz-transform: translateY(-3px) rotate(-30deg);
  -ms-transform: translateY(-3px) rotate(-30deg);
  -webkit-transform: translateY(-3px) rotate(-30deg);
  transform: translateY(-3px) rotate(-30deg);
}

.top {
  position: fixed;
  top: 0;
  width: 100%;
  height: 100vh;
}
.top-images {
  position: relative;
  height: 100%;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}
.top:after {
  content: "";
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
  background: #000;
  opacity: 0.2;
  z-index: 5;
}
.top-social {
  position: absolute;
  left: 50px;
  bottom: 50px;
  z-index: 9;
}

.pagetitle {
  position: absolute;
  left: 50px;
  top: 45%;
  z-index: 9;
  font-weight: normal;
}
.pagetitle-en {
  color: #FFF;
  font-size: 1.75rem;
  letter-spacing: 2px;
  opacity: 0;
  -moz-transform: translateX(40px);
  -ms-transform: translateX(40px);
  -webkit-transform: translateX(40px);
  transform: translateX(40px);
  -moz-transition: opacity 0.6s 0.3s, -moz-transform 0.6s 0.3s;
  -o-transition: opacity 0.6s 0.3s, -o-transform 0.6s 0.3s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  -webkit-transition-delay: 0.3s, 0.3s;
  transition: opacity 0.6s 0.3s, transform 0.6s 0.3s;
}
.show .pagetitle-en {
  opacity: 1;
  -moz-transform: translateX(0px);
  -ms-transform: translateX(0px);
  -webkit-transform: translateX(0px);
  transform: translateX(0px);
}
.pagetitle-tw {
  white-space: nowrap;
  font-size: 0.875rem;
  color: #FFF;
  opacity: 0.7;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  opacity: 0;
  -moz-transform: translateY(40px);
  -ms-transform: translateY(40px);
  -webkit-transform: translateY(40px);
  transform: translateY(40px);
  -moz-transition: opacity 0.6s 0.3s, -moz-transform 0.6s 0.3s;
  -o-transition: opacity 0.6s 0.3s, -o-transform 0.6s 0.3s;
  -webkit-transition: opacity 0.6s, -webkit-transform 0.6s;
  -webkit-transition-delay: 0.3s, 0.3s;
  transition: opacity 0.6s 0.3s, transform 0.6s 0.3s;
}
.show .pagetitle-tw {
  opacity: 1;
  -moz-transform: translateY(0px);
  -ms-transform: translateY(0px);
  -webkit-transform: translateY(0px);
  transform: translateY(0px);
}
.pagetitle-tw:after {
  content: "";
  width: 100%;
  height: 1px;
  background: #FFF;
  margin-left: 10px;
}

.container {
  position: relative;
  background: #222;
  z-index: 10;
  margin-top: 100vh;
  overflow: hidden;
}

.inner {
  padding: 5vw 50px;
}

.title {
  font-family: "Nunito Sans", Arial, Helvetica;
  color: #FFF;
  font-size: 1.5rem;
  font-weight: normal;
  margin-bottom: 30px;
}
.title .en {
  margin-right: 10px;
}
.title .tw {
  font-size: 0.75rem;
  line-height: 20px;
  border-radius: 15px;
  background: #333;
  color: #ccc;
  padding: 5px 15px 5px 20px;
  vertical-align: middle;
  letter-spacing: 5px;
  display: inline-block;
}

.text {
  font-size: 0.875rem;
}

.scroll-down {
  position: absolute;
  right: 50px;
  bottom: 50px;
  font-size: 0.675rem;
  cursor: pointer;
  z-index: 9;
}
.scroll-down .btn-round span:first-child {
  margin-top: -30px;
}
.scroll-down .btn-round:hover span:first-child {
  margin-top: 0px;
}
.scroll-top {
  position: fixed;
  right: 50px;
  bottom: 23px;
  z-index: 11;
  font-size: 0.675rem;
  cursor: pointer;
  display: none;
}
.scroll-top .btn-round {
  padding: 0 20px;
  background: #222;
}
.scroll-top .btn-round:hover {
  background: #222;
}
.scroll-top .btn-round:hover span:first-child {
  margin-top: -30px;
}

.footer {
  position: relative;
  background: #222;
  z-index: 10;
}
.footer-social {
  padding: 30px 50px;
}
.footer-wrap {
  padding: 0 50px;
}
.footer-content {
  padding: 30px 110px 30px 0;
  border-top: rgba(255, 255, 255, 0.1) solid 1px;
  font-size: 0.75rem;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}

.btn {
  position: relative;
  font-size: 0.75rem;
  letter-spacing: 4px;
  display: inline-block;
  color: #666;
}
.btn:after {
  content: "";
  display: block;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}
.btn:before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  height: 1px;
  width: 0%;
  background: #999;
  -moz-transition: width 0.6s;
  -o-transition: width 0.6s;
  -webkit-transition: width 0.6s;
  transition: width 0.6s;
}
.btn:hover:before {
  width: 100%;
}

.btn-round {
  position: relative;
  display: block;
  padding: 0 40px;
  line-height: 30px;
  height: 30px;
  overflow: hidden;
  border-radius: 15px;
  color: rgba(255, 255, 255, 0.7);
  border: rgba(255, 255, 255, 0.3) solid 1px;
  text-align: center;
}
.btn-round span {
  display: block;
  -moz-transition: margin 0.6s;
  -o-transition: margin 0.6s;
  -webkit-transition: margin 0.6s;
  transition: margin 0.6s;
}
.btn-round:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #FFF;
}
.btn-round:hover span:first-child {
  margin-top: -30px;
}
.btn-round:hover:after {
  clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
}
.btn-round.active {
  background: rgba(255, 255, 255, 0.1);
  color: #FFF;
}

.btn-social {
  position: relative;
  display: inline-block;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  border-radius: 50%;
  border: rgba(255, 255, 255, 0.3) solid 1px;
  color: rgba(255, 255, 255, 0.7);
  margin-right: 10px;
  font-size: 0.75rem;
}
.btn-social:after {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: #FFF solid 1px;
  clip-path: polygon(0% 0%, 0% 0%, 0% 100%, 0% 100%);
  -moz-transition: clip-path 0.6s;
  -o-transition: clip-path 0.6s;
  -webkit-transition: clip-path 0.6s;
  transition: clip-path 0.6s;
}
.btn-social:hover:after {
  clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
}

@media screen and (max-width: 1100px) {
  /* set tablet */
  .header-btn a {
    display: none;
  }

  .inner {
    padding: 60px 50px;
  }

  .footer-content {
    display: block;
  }
  .footer-copyright, .footer-design {
    display: inline;
  }
}
@media screen and (max-width: 640px) {
  /* set mobile */
  .header {
    padding: 20px 25px;
  }

  .logo {
    height: 50px;
  }

  .nav nav {
    margin: 20vh 25px;
  }
  .nav-social {
    bottom: 25px;
    left: 25px;
  }
  .nav-consult {
    bottom: 25px;
    right: 25px;
  }

  .inner {
    padding: 60px 25px;
  }

  .top-social {
    left: 25px;
    bottom: 25px;
  }

  .pagetitle {
    left: 25px;
  }

  .footer-social {
    padding: 30px 25px;
  }
  .footer-wrap {
    padding: 0 25px;
  }
  .footer-copyright, .footer-design {
    display: block;
  }

  .scroll-down {
    right: 25px;
    bottom: 25px;
  }
  .scroll-top {
    right: 25px;
    bottom: 30px;
  }

  .btn-social {
    margin-right: 5px;
  }
  .btn-round {
    padding: 0 20px;
  }
}
@media screen and (max-width: 420px) {
  .footer-copyright, .footer-design {
    display: inline;
  }
}
@media screen and (max-height: 500px) {
  .nav nav {
    width: auto;
    max-width: 300px;
    margin: 120px 50px;
  }
  .nav nav li {
    float: left;
    width: 50%;
  }
}
@media screen and (max-height: 500px) and (max-width: 640px) {
  .nav nav {
    margin: 120px 25px;
  }
}