@charset "UTF-8";
@import url("https://fonts.googleapis.com/css?family=Hind:400,700");
@import url("https://fonts.googleapis.com/css2?family=Catamaran:wght@300&display=swap");
/*set layout */
body {
  font-family: "Hind", Arial, Helvetica, "STHeiti Light", "Heiti TC", "微軟正黑體", "Microsoft JhengHei", sans-serif;
  line-height: 1.5;
  letter-spacing: 1px;
  color: #666;
  -webkit-text-size-adjust: 100%;
  background: #FFF;
}

a {
  text-decoration: none;
  color: #666;
}
a:hover {
  color: #000;
}

.loading {
  position: fixed;
  top: 0;
  width: 100%;
  height: 100%;
  background: #FFF;
  z-index: 50;
}
.loading-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 130px;
  height: 50px;
  margin: -25px 0 0 -65px;
}
.loading-logo img {
  width: 100%;
}

.wrapper {
  overflow: hidden;
}

.header {
  position: fixed;
  padding: 50px 50px;
  top: 0;
  width: 100%;
  box-sizing: border-box;
  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;
}
.header.onscroll {
  background: #FFF;
  padding: 5px 50px;
}

.logo {
  position: relative;
  overflow: hidden;
  width: fit-content;
  z-index: 1;
}
.logo img, .logo svg {
  height: 40px;
  width: 100px;
}
.onscroll .logo {
  width: 40px;
}

.nav {
  position: absolute;
  top: 50%;
  right: 50px;
  margin-top: -12px;
  box-sizing: border-box;
}
.nav li {
  position: relative;
  display: inline-block;
  margin-left: 40px;
  line-height: 20px;
  font-size: 0.875em;
}
.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 .en {
  position: relative;
}
.nav li .en:before, .nav li .en:after, .nav li .tw:before, .nav li .tw:after {
  content: "";
  position: absolute;
  height: 1px;
  width: 0;
  background: #000;
  -moz-transition: width 0.6s;
  -o-transition: width 0.6s;
  -webkit-transition: width 0.6s;
  transition: width 0.6s;
  opacity: 0.1;
}
.nav li .en:before, .nav li .tw:before {
  top: -5px;
  right: -10%;
}
.nav li .en:after, .nav li .tw:after {
  bottom: -2px;
  left: -10%;
}
.nav li .en, .nav li .tw {
  -moz-transition: opacity 0.6s;
  -o-transition: opacity 0.6s;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}
.nav li a:hover .en {
  opacity: 0;
}
.nav li a:hover .tw {
  opacity: 1;
}
.nav li a:hover .tw:before, .nav li a:hover .tw:after {
  width: 120%;
}
.topimg .nav a {
  color: #FFF;
  text-shadow: 0 1px 3px #000;
}
.onscroll .nav a {
  color: #666;
  text-shadow: none;
}
.nav .active a {
  color: #000;
}
.topimg .nav .active a {
  color: #FFF;
}
.onscroll .nav .active a {
  color: #000;
}
.nav .active a .en:before, .nav .active a .en:after {
  width: 120%;
}

.section {
  padding: 8vw 0;
}

.pagetitle {
  position: absolute;
  top: 50%;
  width: 100%;
  font-weight: normal;
  text-align: center;
  z-index: 5;
}
.pagetitle .en {
  font-size: 1rem;
  font-family: "Catamaran", sans-serif;
  font-weight: 300;
  color: #000;
}
.topimg .pagetitle .en {
  color: #FFF;
}
.pagetitle .tw {
  display: block;
  font-size: 0.875rem;
  letter-spacing: 5px;
  color: #a29975;
}
.topimg .pagetitle .tw {
  color: #FFF;
}

.title {
  font-weight: normal;
  margin-bottom: 60px;
  opacity: 0;
  -moz-transition: opacity 0.6s;
  -o-transition: opacity 0.6s;
  -webkit-transition: opacity 0.6s;
  transition: opacity 0.6s;
}
.show .title, .title.show {
  opacity: 1;
}
.title .en {
  font-size: 1.5rem;
  font-family: "Catamaran", sans-serif;
  font-weight: 300;
  color: #000;
}
.title .tw {
  font-size: 0.875rem;
  letter-spacing: 5px;
  color: #a29975;
}
.title-text {
  display: inline-block;
  margin-right: 10px;
}
.title-text span {
  display: inline-block;
}

.text {
  font-size: 0.875em;
  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;
}
.show .text, .text.show {
  opacity: 1;
  -moz-transform: translateY(0px);
  -ms-transform: translateY(0px);
  -webkit-transform: translateY(0px);
  transform: translateY(0px);
}
.text p {
  margin-bottom: 20px;
}
.text p:last-child {
  margin-bottom: 0;
}
.text p.en {
  color: #999999;
}

.btn {
  position: relative;
  margin-top: 60px;
  font-size: 0.75em;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  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;
}
.show .btn, .btn.show {
  opacity: 1;
  -moz-transform: translateY(0px);
  -ms-transform: translateY(0px);
  -webkit-transform: translateY(0px);
  transform: translateY(0px);
}
.btn a {
  position: relative;
  border: #cbc6b2 solid 1px;
  padding: 5px 30px;
  background: #FFF;
  white-space: nowrap;
}
.btn a:after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  top: 50%;
  margin-top: -4px;
  right: -4px;
  background: #cbc6b2;
}
.btn:after {
  content: "";
  display: block;
  margin-left: 10px;
  width: 100%;
  height: 1px;
  background: #cbc6b2;
}

.scroll-top {
  position: fixed;
  right: 50px;
  bottom: -45px;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  z-index: 9;
  background: #FFF;
  border: #cbc6b2 solid 1px;
  color: #cbc6b2;
  cursor: pointer;
  -moz-transition: bottom 0.6s;
  -o-transition: bottom 0.6s;
  -webkit-transition: bottom 0.6s;
  transition: bottom 0.6s;
}
.scroll-top.show {
  bottom: 50px;
}
.scroll-down {
  position: absolute;
  right: 50px;
  bottom: 0;
  z-index: 5;
  cursor: pointer;
}
.scroll-down-line {
  width: 1px;
  height: 120px;
  background: #FFF;
}
.scroll-down-text {
  position: absolute;
  left: 2px;
  bottom: 100%;
  font-size: 0.875em;
  color: #FFF;
  -moz-transform-origin: left bottom;
  -ms-transform-origin: left bottom;
  -webkit-transform-origin: left bottom;
  transform-origin: left bottom;
  -moz-transform: rotate(90deg);
  -ms-transform: rotate(90deg);
  -webkit-transform: rotate(90deg);
  transform: rotate(90deg);
  white-space: nowrap;
}

.footer {
  position: relative;
  padding: 50px;
  font-size: 0.75em;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: flex-start;
  align-items: flex-start;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}
.footer-text {
  text-align: right;
  margin-right: 50px;
}
.footer-link a {
  display: inline-block;
  margin-right: 10px;
}
.footer i {
  font-size: 1rem;
  margin-right: 5px;
  vertical-align: middle;
}

@media screen and (max-width: 1100px) {
  /* set tablet */
  .header {
    height: 140px;
    -moz-transition: padding 0.6s, background 0.6s, height 0.6s 1s;
    -o-transition: padding 0.6s, background 0.6s, height 0.6s 1s;
    -webkit-transition: padding 0.6s, background 0.6s, height 0.6s;
    -webkit-transition-delay: 0s, 0s, 1s;
    transition: padding 0.6s, background 0.6s, height 0.6s 1s;
  }
  .header:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: #FFF;
    -moz-transition: height 1s;
    -o-transition: height 1s;
    -webkit-transition: height 1s;
    transition: height 1s;
  }
  .header.onscroll {
    height: 50px;
    -moz-transition-delay: 0s;
    -o-transition-delay: 0s;
    -webkit-transition-delay: 0s;
    transition-delay: 0s;
  }
  .header.show-nav {
    height: 100%;
    -moz-transition-delay: 0s;
    -o-transition-delay: 0s;
    -webkit-transition-delay: 0s;
    transition-delay: 0s;
  }
  .header.show-nav:before {
    height: 100%;
  }

  .nav {
    display: block;
    margin: 0;
    right: 50%;
    -moz-transform: translate(50%, -50%);
    -ms-transform: translate(50%, -50%);
    -webkit-transform: translate(50%, -50%);
    transform: translate(50%, -50%);
    visibility: hidden;
    -moz-transition: visibility 0s 1s;
    -o-transition: visibility 0s 1s;
    -webkit-transition: visibility 0s;
    -webkit-transition-delay: 1s;
    transition: visibility 0s 1s;
  }
  .show-nav .nav {
    visibility: visible;
    -moz-transition-delay: 0s;
    -o-transition-delay: 0s;
    -webkit-transition-delay: 0s;
    transition-delay: 0s;
  }
  .nav ul {
    text-align: center;
    margin: 0;
  }
  .nav li {
    display: block;
    margin: 14px 0;
    opacity: 0;
    -moz-transition: opacity 0.6s;
    -o-transition: opacity 0.6s;
    -webkit-transition: opacity 0.6s;
    transition: opacity 0.6s;
  }
  .show-nav .nav li {
    opacity: 1;
  }
  .show-nav .nav li.nav-about {
    -moz-transition-delay: 1s;
    -o-transition-delay: 1s;
    -webkit-transition-delay: 1s;
    transition-delay: 1s;
  }
  .show-nav .nav li.nav-project {
    -moz-transition-delay: 1.2s;
    -o-transition-delay: 1.2s;
    -webkit-transition-delay: 1.2s;
    transition-delay: 1.2s;
  }
  .show-nav .nav li.nav-service {
    -moz-transition-delay: 1.4s;
    -o-transition-delay: 1.4s;
    -webkit-transition-delay: 1.4s;
    transition-delay: 1.4s;
  }
  .show-nav .nav li.nav-news {
    -moz-transition-delay: 1.6s;
    -o-transition-delay: 1.6s;
    -webkit-transition-delay: 1.6s;
    transition-delay: 1.6s;
  }
  .show-nav .nav li.nav-contact {
    -moz-transition-delay: 1.8s;
    -o-transition-delay: 1.8s;
    -webkit-transition-delay: 1.8s;
    transition-delay: 1.8s;
  }
  .show-nav .nav li.nav-consult {
    -moz-transition-delay: 2s;
    -o-transition-delay: 2s;
    -webkit-transition-delay: 2s;
    transition-delay: 2s;
  }
  .topimg .nav a {
    color: #666;
    text-shadow: none;
  }
  .nav a:hover {
    color: #000;
  }
  .topimg .nav .active a {
    color: #000;
  }

  .hamburger {
    position: absolute;
    width: 30px;
    right: 50px;
    top: 50px;
    margin-top: 8px;
    -moz-transition: top 0.6s;
    -o-transition: top 0.6s;
    -webkit-transition: top 0.6s;
    transition: top 0.6s;
    cursor: pointer;
    z-index: 10;
  }
  .onscroll .hamburger {
    top: 5px;
  }
  .hamburger-bar {
    height: 1px;
    margin: 5px 0;
    background: #666;
  }
  .topimg .hamburger-bar {
    background: #FFF;
    box-shadow: 0px 1px 1px #666;
  }
  .hamburger-bar:nth-child(2) {
    margin-left: 5px;
  }
  .hamburger-bar:nth-child(3) {
    margin-left: 10px;
  }
}
@media screen and (max-width: 640px) {
  /* set mobile */
  .header {
    height: 80px;
    padding: 20px 20px;
  }
  .header.onscroll {
    padding: 5px 20px;
  }

  .hamburger {
    top: 20px;
    right: 20px;
  }

  .title {
    margin-bottom: 40px;
  }
  .title .en {
    font-size: 1.5rem;
  }

  .btn {
    margin-top: 40px;
  }

  .scroll-top {
    right: 20px;
  }
  .scroll-down {
    right: 20px;
    margin-right: 20px;
  }

  .footer {
    padding: 50px 20px;
    display: block;
  }
  .footer-text {
    text-align: left;
    margin-top: 20px;
    margin-right: 40px;
  }
}
@media screen and (max-height: 480px) and (max-width: 1100px) {
  .nav {
    top: 60%;
  }
  .nav ul {
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    flex-wrap: wrap;
  }
  .nav li {
    width: 50%;
  }
}