@charset "utf-8";
.body_container {
  display: none;
  width: 100%;
  overflow: hidden;
  min-width: 1200px;
  font-size: 25.6px;
  font-size: 1.6rem;
}
header {
  position: fixed !important;
  left: 0;
  top: 0 !important;
  z-index: 3000;
}
footer {
  display: none;
}
.body_container {
  display: none;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.body_container .tkc_contents {
  display: block;
  position: relative;
  width: 100%;
  min-height: 622px;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.body_container .tkc_contents .section_inner {
  width: 1200px;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translateX(-50%) translateY(-50%);
  -moz-transform: translateX(-50%) translateY(-50%);
  -ms-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
}
section.greeting {
  -ms-transform: rotate(-0.03deg);
}
section.greeting .scene1 {
  width: 100%;
  height: 100%;
  background-color: #fff;
}
section.greeting .scene1 .lead_catch1 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1338px 222px;
  background-size: 1338px 222px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_greething.png?rev=1477407600000");
  background-position: 0px 0px;
  width: 588px;
  height: 0;
  padding-top: 105px;
  background-repeat: no-repeat;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -294px;
  margin-top: -52.5px;
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
}
section.greeting .scene1 .lead_catch2 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1338px 222px;
  background-size: 1338px 222px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_greething.png?rev=1477407600000");
  background-position: -608px 0px;
  width: 730px;
  height: 0;
  padding-top: 38px;
  background-repeat: no-repeat;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -365px;
  margin-top: -19px;
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
}
section.greeting .scene2 {
  margin-top: 57px;
}
section.greeting .scene2 .caption {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1338px 222px;
  background-size: 1338px 222px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_greething.png?rev=1477407600000");
  background-position: 0px -125px;
  width: 572px;
  height: 0;
  padding-top: 97px;
  background-repeat: no-repeat;
  margin-bottom: 42px;
}
section.greeting .scene2 .column:nth-of-type(1) {
  width: 814px;
  font-size: 25.6px;
  font-size: 1.6rem;
}
section.greeting .scene2 .column:nth-of-type(1) p:before {
  content: '　';
}
section.greeting .scene2 .column:nth-of-type(1) p +p {
  margin-top: 20px;
}
section.greeting .scene2 .column:nth-of-type(2) {
  width: 280px;
  text-align: center;
}
section.greeting .scene2 .column:nth-of-type(2) figure {
  display: block;
  margin-bottom: 15px;
}
section.history .scene1 {
  position: absolute;
  width: 100%;
  height: 100%;
}
section.history .scene1 p {
  position: absolute !important;
  left: 50%;
  top: 50%;
}
section.history .scene1 .lead_catch {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1104px 955px;
  background-size: 1104px 955px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_history.png?rev=1477407600000");
  background-position: -560px -503px;
  width: 451px;
  height: 0;
  padding-top: 74px;
  background-repeat: no-repeat;
  margin-left: -225px;
  margin-top: -37px;
}
section.history .scene1 .copy1 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1104px 955px;
  background-size: 1104px 955px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_history.png?rev=1477407600000");
  background-position: 0px -503px;
  width: 540px;
  height: 0;
  padding-top: 452px;
  background-repeat: no-repeat;
  margin-left: -272px;
  margin-top: -241.5px;
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
}
section.history .scene1 .copy2 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1104px 955px;
  background-size: 1104px 955px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_history.png?rev=1477407600000");
  background-position: -564px 0px;
  width: 540px;
  height: 0;
  padding-top: 483px;
  background-repeat: no-repeat;
  margin-left: -272px;
  margin-top: -241.5px;
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
}
section.history .scene1 .copy3 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1104px 955px;
  background-size: 1104px 955px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_history.png?rev=1477407600000");
  background-position: 0px 0px;
  width: 544px;
  height: 0;
  padding-top: 483px;
  background-repeat: no-repeat;
  margin-left: -272px;
  margin-top: -241.5px;
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
}
section.history .scene2 {
  padding-top: 40px;
}
section.history .scene2 .caption {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1104px 955px;
  background-size: 1104px 955px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_history.png?rev=1477407600000");
  background-position: -560px -664px;
  width: 278px;
  height: 0;
  padding-top: 47px;
  background-repeat: no-repeat;
  margin-bottom: 20px;
}
section.history .scene2 .column:nth-of-type(1) {
  width: 835px;
  font-size: 25.6px;
  font-size: 1.6rem;
  line-height: 1.4;
}
section.history .scene2 .column:nth-of-type(1) p:before {
  content: '　';
}
section.history .scene2 .column:nth-of-type(1) p +p {
  margin-top: 20px;
}
section.history .scene2 .column:nth-of-type(1) li {
  margin-top: 10px;
}
section.history .scene2 .column:nth-of-type(1) ol +p {
  margin-top: 20px;
}
section.history .scene2 .column:nth-of-type(2) {
  width: 280px;
  text-align: center;
}
section.history .scene2 .column:nth-of-type(2) figure {
  display: block;
  margin-bottom: 15px;
}
section.history .scene2 .column:nth-of-type(2) figure img {
  margin-bottom: 15px;
}
section.history .scene2 .column:nth-of-type(2) a {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1104px 955px;
  background-size: 1104px 955px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_history.png?rev=1477407600000");
  background-position: -560px -597px;
  width: 280px;
  height: 0;
  padding-top: 47px;
  background-repeat: no-repeat;
}
section.ceremony {
  display: block;
  z-index: 1;
  position: relative;
  background-color: #fff;
}
section.ceremony .section_inner {
  width: 100% !important;
  background-color: #eee !important;
}
section.ceremony .scene1 {
  position: absolute;
  width: 100%;
  height: 100%;
}
section.ceremony .scene1 .lead_catch {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 786px 278px;
  background-size: 786px 278px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_ceremony.png?rev=1477407600000");
  background-image: url("/media_library/50th/assets/img/sprite/sprite_ceremony.png?rev=1477407600000");
  background-position: 0px 0px;
  width: 786px;
  height: 0;
  padding-top: 99px;
  background-repeat: no-repeat;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -393px;
  margin-top: -50px;
}
section.ceremony .scene2 figure {
  display: block;
  position: relative;
  overflow: hidden;
  background-color: #fff;
}
section.ceremony .scene2 figure img {
  width: 100%;
  position: absolute;
  left: 0;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
}
section.ceremony .scene3 {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  min-width: 1200px;
  max-width: 1200px;
  -webkit-transform: translateX(-50%) translateY(-50%);
  -moz-transform: translateX(-50%) translateY(-50%);
  -ms-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
  padding-top: 40px;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
}
section.ceremony .scene3 h2 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 786px 278px;
  background-size: 786px 278px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_ceremony.png?rev=1477407600000");
  background-image: url("/media_library/50th/assets/img/sprite/sprite_ceremony.png?rev=1477407600000");
  background-position: 0px -119px;
  width: 734px;
  height: 0;
  padding-top: 44px;
  background-repeat: no-repeat;
  display: block;
  margin-bottom: 20px;
}
section.ceremony .scene3 h3 {
  padding-top: 3px;
  color: #0978c2;
  font-size: 28.8px;
  font-size: 1.8rem;
  position: relative;
  padding-left: 10px;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  line-height: 1;
  margin-bottom: 10px;
  font-weight: bold;
}
section.ceremony .scene3 h3:before {
  content: '';
  display: block;
  width: 4px;
  height: 1em;
  position: absolute;
  left: 0;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
  background-color: #0978c2;
}
section.ceremony .scene3 .movie_list_wrapper {
  position: relative;
  overflow: hidden;
}
section.ceremony .scene3 .movie_list_wrapper .movie_list {
  position: relative;
  left: 50%;
  float: left;
}
section.ceremony .scene3 .movie_list_wrapper .movie_list li {
  position: relative;
  left: -50%;
  float: left;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
section.ceremony .scene3 .movie_list_wrapper .movie_list li .over {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 52px;
  background-color: rgba(255,255,255,0.9);
  font-size: 19.2px;
  font-size: 1.2rem;
  color: #0069e0;
  text-align: center;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
section.ceremony .scene3 .movie_list_wrapper .movie_list li .over dl {
  line-height: 1;
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  margin-left: -10px;
  -webkit-transform: translateX(-50%) translateY(-50%);
  -moz-transform: translateX(-50%) translateY(-50%);
  -ms-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
  font-weight: 500;
}
section.ceremony .scene3 .movie_list_wrapper .movie_list li .over dd {
  font-size: 22.4px;
  font-size: 1.4rem;
  margin-top: 4px;
}
section.ceremony .scene3 .movie_list_wrapper .movie_list li .over dd em {
  font-style: normal;
}
section.ceremony .scene3 .movie_list_wrapper .movie_list li .over dd small {
  font-size: 19.2px;
  font-size: 1.2rem;
  display: block;
  margin-top: 2px;
}
section.ceremony .scene3 .movie_list_wrapper .movie_list li .over .btn_play {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 544px 442px;
  background-size: 544px 442px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_assets.png?rev=1477407600000");
  background-position: -473px -180px;
  width: 29px;
  height: 0;
  padding-top: 29px;
  background-repeat: no-repeat;
  position: absolute;
  right: 5px;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}
section.ceremony .scene3 .movie_list_wrapper .movie_list li:nth-of-type(n+2) {
  margin-left: 17px;
}
section.ceremony .scene3 .movie_list_wrapper .movie_list:nth-of-type(2) {
  margin-top: 15px;
}
section.ceremony .scene3 .movie_list_wrapper .movie_list:nth-of-type(2) .over {
  height: 50px;
}
section.lecture {
  display: block;
  background-image: url("/media_library/50th/img/bg_dot.png");
}
section.lecture .scene1 {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
section.lecture .scene1 .lead_catch {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1404px 137px;
  background-size: 1404px 137px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lect.png?rev=1477407600000");
  background-position: 0px 0px;
  width: 575px;
  height: 0;
  padding-top: 70px;
  background-repeat: no-repeat;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -285px;
  margin-top: -63px;
}
section.lecture .scene2 h2 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1404px 137px;
  background-size: 1404px 137px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lect.png?rev=1477407600000");
  background-position: -595px 0px;
  width: 809px;
  height: 0;
  padding-top: 44px;
  background-repeat: no-repeat;
  margin-bottom: 20px;
}
section.lecture .scene2 .sub_catch {
  margin-bottom: 20px;
}
section.lecture .scene2 h3 {
  color: #0978c2;
  padding-top: 3px;
  font-size: 28.8px;
  font-size: 1.8rem;
  position: relative;
  padding-left: 10px;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  line-height: 1;
  margin-bottom: 10px;
  font-weight: bold;
}
section.lecture .scene2 h3:before {
  content: '';
  display: block;
  width: 4px;
  height: 1em;
  position: absolute;
  left: 0;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
  background-color: #0978c2;
}
section.lecture .scene2 .btn_lecture {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1404px 137px;
  background-size: 1404px 137px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lect.png?rev=1477407600000");
  background-position: 0px -90px;
  width: 253px;
  height: 0;
  padding-top: 47px;
  background-repeat: no-repeat;
  float: right;
}
section.lecture .scene2 .lecture_list_wrapper {
  position: relative;
  overflow: hidden;
  margin-bottom: 30px;
}
section.lecture .scene2 .lecture_list_wrapper .lecture_list {
  position: relative;
  left: 50%;
  float: left;
}
section.lecture .scene2 .lecture_list_wrapper .lecture_list li {
  position: relative;
  left: -50%;
  float: left;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
section.lecture .scene2 .lecture_list_wrapper .lecture_list li .over {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 60px;
  background-color: rgba(255,255,255,0.9);
  font-size: 19.2px;
  font-size: 1.2rem;
  color: #0069e0;
  text-align: center;
}
section.lecture .scene2 .lecture_list_wrapper .lecture_list li .over dl {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 100%;
  -webkit-transform: translateX(-50%) translateY(-50%);
  -moz-transform: translateX(-50%) translateY(-50%);
  -ms-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
  line-height: 1;
  font-weight: 500;
}
section.lecture .scene2 .lecture_list_wrapper .lecture_list li .over dd {
  font-size: 22.4px;
  font-size: 1.4rem;
  margin-top: 4px;
}
section.lecture .scene2 .lecture_list_wrapper .lecture_list li .over dd em {
  font-style: normal;
  display: block;
}
section.lecture .scene2 .lecture_list_wrapper .lecture_list li .over dd small {
  font-size: 19.2px;
  font-size: 1.2rem;
  display: block;
  margin-top: 2px;
}
section.lecture .scene2 .lecture_list_wrapper .lecture_list li .over .btn_play {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 544px 442px;
  background-size: 544px 442px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_assets.png?rev=1477407600000");
  background-position: -473px -180px;
  width: 29px;
  height: 0;
  padding-top: 29px;
  background-repeat: no-repeat;
  position: absolute;
  right: 5px;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}
section.lecture .scene2 .lecture_list_wrapper .lecture_list li:nth-of-type(n+2) {
  margin-left: 45px;
}
section.know .scene1 .lead_catch {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: 0px 0px;
  width: 408px;
  height: 0;
  padding-top: 99px;
  background-repeat: no-repeat;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -205px;
  margin-top: -50px;
}
section.know .scene2 {
  padding-top: 40px;
}
section.know .scene2 .panel_view {
  -webkit-perspective: 0;
  -moz-perspective: 0;
  -ms-perspective: 0;
  perspective: 0;
  -webkit-backface-visibility: hidden;
  -moz-backface-visibility: hidden;
  -ms-backface-visibility: hidden;
  backface-visibility: hidden;
}
section.know .scene2 .panel_view .panelDetail {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1064px;
  height: 570px;
  margin-left: -532px;
  margin-top: -265px;
  overflow: hidden;
  z-index: 2;
}
section.know .scene2 .panel_view .panelDetail .panel {
  display: block;
}
section.know .scene2 .panel_view .panelDetail .btn_panel_close {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 363px 295px;
  background-size: 363px 295px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_assets.png?rev=1477407600000");
  background-position: -315px -60px;
  width: 47px;
  height: 0px;
  padding-top: 48px;
  background-repeat: no-repeat;
  position: absolute;
  right: 20px;
  top: 20px;
  cursor: pointer;
  -moz-border-radius: 50%;
       border-radius: 50%;
  overflow: hidden;
}
section.know .scene2 .panel_view .panelDetail:hover:after {
  opacity: 0.7;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=70)";
  filter: alpha(opacity=70);
}
section.know .scene2 .panel_view >ul {
  position: relative;
  width: 1064px;
  height: 570px;
  margin: 0px auto;
  overflow: hidden;
  zoom: 1;
  -webkit-perspective: 800px;
  -moz-perspective: 800px;
  -ms-perspective: 800px;
  perspective: 800px;
}
section.know .scene2 .panel_view >ul:before,
section.know .scene2 .panel_view >ul:after {
  content: "";
  display: table;
}
section.know .scene2 .panel_view >ul:after {
  clear: both;
}
section.know .scene2 .panel_view >ul >li {
  position: relative;
  float: left;
  width: 208px;
  height: 186px;
  cursor: pointer;
}
section.know .scene2 .panel_view >ul >li:before {
  content: '';
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -456px -531px;
  width: 208px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
  position: absolute;
  left: 0;
  top: 0;
}
section.know .scene2 .panel_view >ul >li .inner {
  position: absolute;
  left: 0;
  top: 0;
  background-color: transparent;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(n+1) {
  margin-left: 6px;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(5n+1) {
  margin-left: 0;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(n+6) {
  margin-top: 6px;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(8):before {
  display: none;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(1) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -428px 0px;
  width: 208px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(2) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: 0px -119px;
  width: 208px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(3) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -884px 0px;
  width: 208px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(4) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -884px -206px;
  width: 208px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(5) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -884px -412px;
  width: 207px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(6) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: 0px -737px;
  width: 207px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(7) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -227px -737px;
  width: 207px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(8) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -228px -325px;
  width: 208px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(9) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: 0px -325px;
  width: 208px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(10) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -681px -737px;
  width: 207px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(11) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -454px -737px;
  width: 207px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(12) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -656px 0px;
  width: 208px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(13) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -656px -206px;
  width: 208px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(14) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: 0px -531px;
  width: 208px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.know .scene2 .panel_view >ul >li:nth-of-type(15) .inner {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1092px 923px;
  background-size: 1092px 923px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_know.png?rev=1477407600000");
  background-position: -228px -531px;
  width: 208px;
  height: 0;
  padding-top: 186px;
  background-repeat: no-repeat;
}
section.challenge {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  position: relative;
  width: 100% !important;
  overflow: hidden;
}
section.challenge .section_inner {
  width: 100% !important;
  height: 100%;
  position: relative;
  overflow: hidden;
}
section.challenge .section_inner iframe {
  position: absolute;
  left: 0;
  top: 0;
}
section.challenge .section_inner .youtube_saver {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}
section.challenge .section_inner .alpha_btn {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 297px 230px;
  background-size: 297px 230px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_challenge.png?rev=1477407600000");
  background-position: 0px 0px;
  width: 297px;
  height: 0;
  padding-top: 64px;
  background-repeat: no-repeat;
  display: block;
  position: absolute;
  right: 30px;
  bottom: 30px;
  z-index: 2;
}
section.challenge .section_inner .logo {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 297px 230px;
  background-size: 297px 230px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_challenge.png?rev=1477407600000");
  background-position: 0px -84px;
  width: 132px;
  height: 0;
  padding-top: 146px;
  background-repeat: no-repeat;
  position: absolute;
  left: 30px;
  bottom: 30px;
  z-index: 2;
}
section.contribution {
  background-image: url("/media_library/50th/img/bg_dot.png");
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
section.contribution .section_inner {
  padding-top: 10px;
}
section.contribution h2 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 702px 178px;
  background-size: 702px 178px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_contribution.png?rev=1477407600000");
  background-position: 0px 0px;
  width: 702px;
  height: 0;
  padding-top: 38px;
  background-repeat: no-repeat;
  display: block;
  margin: 0px auto;
  margin-bottom: 20px;
}
section.contribution article .sub_caption,
section.contribution article .end_caption {
  color: #1377c4;
}
section.contribution article .sub_caption {
  font-size: 38.4px;
  font-size: 2.4rem;
  text-align: center;
  margin-bottom: 15px;
}
section.contribution .contribution1 {
  margin-bottom: 20px;
}
section.contribution .contribution1 .column {
  width: 49%;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  border: 1px solid #dedede;
  background-color: #fff;
  padding: 10px 25px;
  min-height: 248px;
  font-size: 24px;
  font-size: 1.5rem;
  line-height: 1;
}
section.contribution .contribution1 .end_caption {
  font-size: 32px;
  font-size: 2rem;
  margin-bottom: 15px;
}
section.contribution .contribution1 p:before {
  content: '　';
}
section.contribution .contribution1 p + p,
section.contribution .contribution1 p + ul {
  margin-top: 10px;
}
section.contribution .contribution1 p + ol {
  margin: 10px 0 0 1.5em;
}
section.contribution .contribution1 li {
  list-style-type: decimal;
}
section.contribution .contribution1 li:nth-of-type(n+2) {
  margin-top: 1em;
}
section.contribution .contribution1 a {
  display: inline-block;
  text-decoration: none;
  will-change: color;
  -webkit-transition: color 0.3s ease-out;
  -moz-transition: color 0.3s ease-out;
  transition: color 0.3s ease-out;
}
section.contribution .contribution1 a:nth-of-type(1) {
  margin-top: 15px;
}
section.contribution .contribution1 a[target="_blank"]:nth-of-type(n+2) {
  color: #1377c4;
  display: block;
  padding-left: 16px;
  margin-top: 5px;
}
section.contribution .contribution1 a[target="_blank"]:nth-of-type(n+2):before {
  display: none;
}
section.contribution .contribution1 a[target="_blank"]:hover {
  color: #ff8a00;
}
section.contribution .contribution1 a[target="_blank"]:before {
  content: '';
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 544px 442px;
  background-size: 544px 442px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_assets.png?rev=1477407600000");
  background-position: -517px -229px;
  width: 10px;
  height: 0;
  padding-top: 10px;
  background-repeat: no-repeat;
  display: inline-block;
  margin-right: 5px;
}
section.contribution .contribution2 .row {
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  border: 1px solid #dedede;
  background-color: #fff;
  padding: 0px 30px;
  font-size: 24px;
  font-size: 1.5rem;
}
section.contribution .contribution2 .row .pull_left {
  width: 400px;
  padding-top: 15px;
}
section.contribution .contribution2 .row .pull_right {
  width: 700px;
}
section.contribution .contribution2 .row .pull_right .banner1 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 540px 137px;
  background-size: 540px 137px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_contribution.png?rev=1477407600000");
  background-position: 0px -43px;
  width: 115px;
  height: 0px;
  padding-top: 94px;
  background-repeat: no-repeat;
}
section.contribution .contribution2 .row .pull_right .banner2 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 540px 137px;
  background-size: 540px 137px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_contribution.png?rev=1477407600000");
  background-position: -129px -43px;
  width: 80px;
  height: 0px;
  padding-top: 94px;
  background-repeat: no-repeat;
  margin-left: 20px;
}
section.contribution .contribution2 .row .pull_right table tr th,
section.contribution .contribution2 .row .pull_right table tr td {
  width: 50%;
  text-align: center;
}
section.contribution .contribution2 .row .pull_right table tr th {
  width: 115px;
}
section.contribution .contribution2 .row .pull_right table tr td a {
  display: block;
  color: #1377c4;
  text-decoration: none;
  will-change: color;
  -webkit-transition: color 0.3s ease-out;
  -moz-transition: color 0.3s ease-out;
  transition: color 0.3s ease-out;
}
section.contribution .contribution2 .row .pull_right table tr td a:hover {
  color: #ff8a00;
}
.temp {
  display: none;
}
.sub_modal_wrapper,
.panel_wrapper {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  z-index: 3001;
  display: none;
  overflow: hidden;
}
.sub_modal_wrapper .sub_modal_bg,
.panel_wrapper .sub_modal_bg {
  -moz-border-radius: 50%;
  border-radius: 50%;
  width: 3000px;
  height: 3000px;
  background-color: rgba(255,255,255,0.9);
  position: fixed;
  left: 50%;
  top: 50%;
  margin-left: -1500px;
  margin-top: -1500px;
}
.sub_modal_wrapper .sub_modal_window,
.panel_wrapper .sub_modal_window {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 1200px;
  height: 575px;
  margin-left: -600px;
  margin-top: -287px;
}
.sub_modal_wrapper .sub_modal_window .sub_modal_inner,
.panel_wrapper .sub_modal_window .sub_modal_inner {
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
  width: 1200px;
  height: 575px;
  position: relative !important;
}
.sub_modal_wrapper .sub_modal_window .movie_trigger,
.panel_wrapper .sub_modal_window .movie_trigger {
  color: #0978c2;
  font-size: 28.8px;
  font-size: 1.8rem;
  display: inline-block;
  position: relative;
  text-decoration: underline;
  cursor: pointer;
  position: absolute;
  left: 60px;
  bottom: 90px;
  height: 24px;
  line-height: 24px;
  width: 335px;
  text-align: center;
}
.sub_modal_wrapper .sub_modal_window .movie_trigger:before,
.panel_wrapper .sub_modal_window .movie_trigger:before {
  content: '';
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 544px 442px;
  background-size: 544px 442px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_assets.png?rev=1477407600000");
  background-position: -473px -229px;
  width: 24px;
  height: 0;
  padding-top: 24px;
  background-repeat: no-repeat;
  display: inline-block;
  vertical-align: middle;
  margin-right: 10px;
  -webkit-transform: translateY(-1px);
  -moz-transform: translateY(-1px);
  -ms-transform: translateY(-1px);
  transform: translateY(-1px);
}
.sub_modal_wrapper .sub_modal_window .movie_trigger:after,
.panel_wrapper .sub_modal_window .movie_trigger:after {
  content: '';
  display: block;
  background-color: #f00;
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
  position: absolute;
  left: 0;
  top: -321px;
  width: 333px;
  height: 303px;
}
.sub_modal_wrapper .sub_modal_window .movie_list li,
.panel_wrapper .sub_modal_window .movie_list li {
  background-color: rgba(255,255,255,0.98);
  position: absolute;
  left: 0;
  top: 0;
  -webkit-transform-origin: center top;
  -moz-transform-origin: center top;
  -ms-transform-origin: center top;
  transform-origin: center top;
}
.sub_modal_wrapper .sub_modal_window .movie_list li .btn_movie,
.panel_wrapper .sub_modal_window .movie_list li .btn_movie,
.sub_modal_wrapper .sub_modal_window .movie_list li a,
.panel_wrapper .sub_modal_window .movie_list li a {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1404px 137px;
  background-size: 1404px 137px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lect.png?rev=1477407600000");
  background-position: 0px -90px;
  width: 253px;
  height: 0;
  padding-top: 47px;
  background-repeat: no-repeat;
  position: absolute;
  right: 80px;
  bottom: 30px;
}
.sub_modal_wrapper .sub_modal_window .movie_list li.active,
.panel_wrapper .sub_modal_window .movie_list li.active {
  z-index: 1;
}
.sub_modal_wrapper .sub_modal_window .sub_modal_close,
.panel_wrapper .sub_modal_window .sub_modal_close {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 544px 442px;
  background-size: 544px 442px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_assets.png?rev=1477407600000");
  background-position: -473px 0px;
  width: 71px;
  height: 0;
  padding-top: 71px;
  background-repeat: no-repeat;
  cursor: pointer;
  position: absolute;
  right: 0px;
  top: 0px;
  padding-top: 72px;
  width: 72px;
  z-index: 1;
  margin-top: -36px;
  margin-right: -36px;
}
.panel_wrapper .sub_modal_window {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 940px;
  height: 460px;
  margin-left: -470px;
  margin-top: -230px;
}
.panel_wrapper .sub_modal_window .sub_modal_inner {
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
  width: 940px;
  height: 460px;
  position: relative !important;
}