nav .pc_header {
  position: fixed;
  height: 120px;
  height: 160px;
  background-color: #FFF;
  width: 100%;
  z-index: 1000;
  left: 0;
  top: 0;
  box-shadow: 0px 0px 15px 5px rgba(0, 0, 0, 0);
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}
nav .pc_header .logo {
  bottom: 30px;
  bottom: 40px;
  height: 55px;
  left: 20px;
  position: absolute;
  -webkit-transition: bottom 0.3s;
  -moz-transition: bottom 0.3s;
  -o-transition: bottom 0.3s;
  transition: bottom 0.3s;
}
nav .pc_header .btnWrap {
  bottom: 0px;
  bottom: 20px;
  right: 20px;
  position: absolute;
  -webkit-transition: bottom 0.3s;
  -moz-transition: bottom 0.3s;
  -o-transition: bottom 0.3s;
  transition: bottom 0.3s;
}
/* 共用樣式的 a { display: contents } 會讓連結無法取得鍵盤焦點；Header 明確恢復連結盒模型。 */
nav .pc_header .centerwrap > a,
nav .pc_header .btnWrap > a,
nav .pc_header .others > a {
  display: inline-block;
}
/* Logo 圖片本身採絕對定位；不可讓外層連結成為定位基準。 */
nav .pc_header .centerwrap > a[href="/"] {
  position: static;
}
nav .pc_header .centerwrap > a:focus-visible,
nav .pc_header .btnWrap > a:focus-visible,
nav .pc_header .others > a:focus-visible {
  outline: 3px solid #f5aa20;
  outline-offset: 3px;
}
nav .pc_header .centerwrap > a[href="/"]:focus-visible .logo {
  outline: 3px solid #f5aa20;
  outline-offset: 4px;
}
/* 正文連結必須保有自身盒模型，否則共用 a { display: contents } 會使其無法被 Tab 取得焦點。 */
main a {
  display: inline;
}
main a:focus-visible {
  outline: 3px solid #f5aa20;
  outline-offset: 3px;
}
nav .pc_header .btnWrap li {
  display: inline-block;
  list-style: none;
  color: #3c6a83;
  padding-left: 20px;
  padding-right: 20px;
  letter-spacing: 1px;
  height: 120px;
  line-height: 150px;
  cursor: pointer;
  vertical-align: middle;
  margin-right: -5px;
  font-size: 17px;
  padding-left: 15px;
  padding-right: 15px;
}
nav .pc_header .btnWrap li:hover {
  color: #71A3BE;
}
nav .pc_header .btnWrap li.a11y-open .sub_menu {
  opacity: 1;
  height: auto;
}
nav .pc_header .btnWrap li .a11y-submenu-toggle {
  appearance: none;
  -webkit-appearance: none;
  display: block;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  text-align: inherit;
}
nav .pc_header .btnWrap li .a11y-submenu-toggle:focus-visible,
nav .m_header .btnWrap li .a11y-submenu-toggle:focus-visible {
  outline: 3px solid #f5aa20;
  outline-offset: 3px;
}
nav .pc_header .btnWrap li .selected {
  position: absolute;
  line-height: 0;
  height: 14px;
  bottom: 14px;
  font-size: 25px;
  background-repeat: no-repeat;
  background-size: 50px 90%;
  width: 100%;
  background-position: center;
  background-color: #FFF;
  background-image: url(/images/nav/selected.png);
  display: none;
  left: 0px;
}
nav .pc_header .btnWrap li .subicon {
  position: absolute;
  line-height: 0px;
  height: 10px;
  bottom: -14px;
  font-size: 25px;
  width: 100%;
  /* background-color: red; */
  opacity: 0.5;
}
nav .pc_header .btnWrap li .sub_menu {
  opacity: 0;
  height: 0px;
  overflow: hidden;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
  border: 1px solid #FFF;
  position: absolute;
  left: -45px;
  width: 200px;
  top: 120px;
  z-index: 11110000;
  background-color: #FFF;
  box-shadow: 0 0 15px 5px rgba(0, 0, 0, 0.1);
}
nav .pc_header .btnWrap li .sub_menu .item {
  line-height: 25px;
  font-size: 15px;
  color: #555;
  padding-top: 10px;
  padding-bottom: 10px;
}
nav .pc_header .btnWrap li .sub_menu a,
nav .m_header .btnWrap li .sub_menu a {
  display: block;
}
nav .pc_header .btnWrap li .sub_menu .item:hover {
  background-color: #4B626E;
  color: #FFF;
}
nav .pc_header .others {
  text-align: right;
  position: absolute;
  bottom: 0;
  top: 20px;
  width: 100px;
  right: 35px;
  height: 30px;
}
nav .pc_header .others li {
  list-style: none;
  display: inline-block;
  margin-right: 5px;
  cursor: pointer;
  color: #6B95AC;
  vertical-align: middle;
  font-size: 14px;
}
nav .pc_header .others li img {
  height: 22px;
  vertical-align: middle;
}
nav .pc_header .searchWrap {
  position: absolute;
  bottom: 0;
  right: 115px;
  top: 20px;
  height: 30px;
}
nav .pc_header .searchWrap input {
  background-color: transparent;
  color: #999;
  border-radius: 30px;
  box-sizing: border-box;
  height: 30px;
  border: 1px solid #6B95AC;
  font-size: 12px;
  width: 155px;
  padding: 0 38px 0 14px;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
  /* placeholder */
}
nav .pc_header .searchWrap input:focus {
  border: #FFF 1px #6B95AC;
  width: 185px;
}
nav .pc_header .searchWrap input[type="search"]::-webkit-search-cancel-button,
nav .pc_header .searchWrap input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
  appearance: none;
}
nav .pc_header .searchWrap button {
  border: 0;
  background: transparent;
  padding: 0;
  right: 2px;
  line-height: 27px;
  top: 0;
  position: absolute;
  height: 27px;
  width: 32px;
  text-align: center;
  color: #6B95AC;
  cursor: pointer;
}
nav .pc_header .searchWrap button:focus-visible,
nav .m_header .menuWrap .searchWrap button:focus-visible {
  outline: 3px solid #f5aa20;
  outline-offset: 2px;
}
nav .pc_header .searchWrap ::-webkit-input-placeholder {
  /* Chrome/Opera/Safari */
  color: #A2B8C4;
}
nav .pc_header .searchWrap ::-moz-placeholder {
  /* Firefox 19+ */
  color: #A2B8C4;
}
nav .pc_header .searchWrap :-ms-input-placeholder {
  /* IE 10+ */
  color: #A2B8C4;
}
nav .pc_header .searchWrap :-moz-placeholder {
  /* Firefox 18- */
  color: #A2B8C4;
}
nav .m_header {
  display: none;
  position: fixed;
  height: 60px;
  box-shadow: 0px 0px 15px 5px rgba(0, 0, 0, 0.1);
  background-color: #FFF;
  width: 100%;
  z-index: 34;
  left: 0;
  top: 0;
}
nav .m_header.open .logo_white {
  opacity: 1;
}
nav .m_header.open .logo {
  opacity: 0;
}
nav .m_header.open .menuWrap {
  right: 0;
}
nav .m_header.open .menuBtn .in li {
  background-color: #9EB5C1;
}
nav .m_header.open .menuBtn .in li[nth="1"] {
  top: 9px;
  transform: rotate(45deg);
}
nav .m_header.open .menuBtn .in li[nth="2"] {
  opacity: 0;
}
nav .m_header.open .menuBtn .in li[nth="3"] {
  bottom: 9px;
  transform: rotate(-45deg);
}
nav .m_header .logo {
  height: 25px;
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 12;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}
nav .m_header .logo_white {
  height: 25px;
  position: absolute;
  top: 20px;
  left: 20px;
  opacity: 0;
  z-index: 12;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}
nav .m_header .menuBtn {
  position: absolute;
  top: 0px;
  right: 0px;
  width: 60px;
  height: 60px;
  z-index: 12;
  cursor: pointer;
}
nav .m_header .menuBtn .in {
  position: absolute;
  top: 20px;
  left: 18px;
  width: 25px;
  height: 21px;
}
nav .m_header .menuBtn .in li {
  background-color: #3C6A83;
  height: 3px;
  list-style: none;
  position: absolute;
  width: 100%;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}
nav .m_header .menuBtn .in li[nth="1"] {
  top: 0px;
}
nav .m_header .menuBtn .in li[nth="2"] {
  top: 50%;
  margin-top: -1.5px;
}
nav .m_header .menuBtn .in li[nth="3"] {
  bottom: 0px;
}
nav .m_header .menuWrap {
  right: -100vw;
  background-color: #3C6A83;
  width: 100vw;
  height: 100vh;
  position: fixed;
  z-index: 11;
  top: 0px;
  overflow: hidden;
  -webkit-transition: right 0.3s;
  -moz-transition: right 0.3s;
  -o-transition: right 0.3s;
  transition: right 0.3s;
}
nav .m_header .menuWrap .others {
  text-align: center;
  position: absolute;
  bottom: 0;
  bottom: 120px;
  width: 100%;
  box-shadow: 0 0 40px 40px #3c6a83;
}
nav .m_header .menuWrap .others li {
  list-style: none;
  display: inline-block;
}
nav .m_header .menuWrap .searchWrap {
  position: absolute;
  bottom: 0;
  width: 60%;
  left: 20%;
  bottom: 80px;
}
nav .m_header .menuWrap .searchWrap input {
  background-color: transparent;
  color: #FFF;
  border-radius: 30px;
  height: 10px;
  /* placeholder */
}
nav .m_header .menuWrap .searchWrap input:focus {
  border: #FFF 1px solid;
}
nav .m_header .menuWrap .searchWrap button {
  border: 0;
  background: transparent;
  padding: 0;
  right: 15px;
  line-height: 32px;
  top: 0px;
  position: absolute;
  height: 32px;
  width: 32px;
  text-align: center;
  color: #FFF;
  cursor: pointer;
}
nav .m_header .menuWrap .searchWrap ::-webkit-input-placeholder {
  /* Chrome/Opera/Safari */
  color: #A2B8C4;
}
nav .m_header .menuWrap .searchWrap ::-moz-placeholder {
  /* Firefox 19+ */
  color: #A2B8C4;
}
nav .m_header .menuWrap .searchWrap :-ms-input-placeholder {
  /* IE 10+ */
  color: #A2B8C4;
}
nav .m_header .menuWrap .searchWrap :-moz-placeholder {
  /* Firefox 18- */
  color: #A2B8C4;
}
nav .m_header .btnWrap {
  margin-top: 60px;
  height: calc(100vh - 220px);
  overflow-y: auto;
}
nav .m_header .btnWrap::-webkit-scrollbar {
  width: 0px;
}
nav .m_header .btnWrap li {
  color: #FFF;
  list-style: none;
  text-align: center;
  min-height: 40px;
  line-height: 40px;
  font-size: 15px;
}
nav .m_header .btnWrap li .icon {
  height: 10px;
  margin-left: 10px;
  margin-right: -30px;
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}
nav .m_header .btnWrap li span {
  display: block;
  width: 100%;
}
nav .m_header .btnWrap li .a11y-submenu-toggle {
  appearance: none;
  -webkit-appearance: none;
  display: block;
  width: 100%;
  min-height: 40px;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
  line-height: 40px;
  text-align: center;
}
nav .m_header .btnWrap li .sub_menu {
  height: 0px;
  overflow: hidden;
}
nav .m_header .btnWrap li .sub_menu span {
  display: block;
  width: 100%;
}
nav .m_header .btnWrap li.a11y-open .sub_menu {
  height: auto;
  font-size: 15px;
  background-color: #2a576f;
}
nav .m_header .btnWrap li.a11y-open .icon {
  transform: rotate(180deg);
}
/* topBtn */
.topBtn {
  position: fixed;
  right: 20px;
  bottom: 50px;
  z-index: 30;
  height: 65px;
  width: 65px;
  line-height: 32px;
  text-align: center;
  border-radius: 100%;
  cursor: pointer;
  color: #3c6a83;
  background-color: #FFF;
  font-size: 14px;
  border: 0;
  padding: 0;
  box-shadow: 0px 0px 15px 5px rgba(0, 0, 0, 0.1);
  -webkit-transition: all 0.3s;
  -moz-transition: all 0.3s;
  -o-transition: all 0.3s;
  transition: all 0.3s;
}
.topBtn img {
  display: block;
  width: 20px;
  margin: auto;
  margin-top: 10px;
}
html[lang="en"] nav .pc_header .searchWrap,
html[lang="jp"] nav .pc_header .searchWrap,
html[lang="kr"] nav .pc_header .searchWrap,
html[lang="th"] nav .pc_header .searchWrap {
  display: none;
}
@media screen and (max-width: 1280px) {
  nav .pc_header .btnWrap li {
    padding-left: 10px ;
    padding-right: 10px;
    padding-left: 9px;
    padding-right: 9px;
    font-size: 15.5px;
    letter-spacing: 0;
  }
}
@media screen and (max-width: 1024px) {
  nav .pc_header {
    display: none;
  }
  nav .m_header {
    display: block;
  }
}