@charset "utf-8";
.anchor {
  padding-top: 57px;
  margin-top: -57px;
}
header {
  position: fixed;
}
header nav.global_navigation ul.global_navigation_list li:nth-of-type(1) a {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -1012px -307px;
  width: 111px;
  height: 0;
  padding-top: 59px;
  background-repeat: no-repeat;
}
header nav.global_navigation ul.global_navigation_list li:nth-of-type(1).active {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -1016px -228px;
  width: 111px;
  height: 0;
  padding-top: 59px;
  background-repeat: no-repeat;
}
header nav.global_navigation ul.global_navigation_list li:nth-of-type(2) a {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -951px -386px;
  width: 110px;
  height: 0;
  padding-top: 59px;
  background-repeat: no-repeat;
}
header nav.global_navigation ul.global_navigation_list li:nth-of-type(2).active {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -821px -386px;
  width: 110px;
  height: 0;
  padding-top: 59px;
  background-repeat: no-repeat;
}
header nav.global_navigation ul.global_navigation_list li:nth-of-type(3) a {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -634px -386px;
  width: 167px;
  height: 0;
  padding-top: 59px;
  background-repeat: no-repeat;
}
header nav.global_navigation ul.global_navigation_list li:nth-of-type(3).active {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -825px -307px;
  width: 167px;
  height: 0;
  padding-top: 59px;
  background-repeat: no-repeat;
}
header nav.global_navigation ul.global_navigation_list li:nth-of-type(4) a {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -634px -307px;
  width: 171px;
  height: 0;
  padding-top: 59px;
  background-repeat: no-repeat;
}
header nav.global_navigation ul.global_navigation_list li:nth-of-type(4).active {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -634px -228px;
  width: 171px;
  height: 0;
  padding-top: 59px;
  background-repeat: no-repeat;
}
header nav.global_navigation ul.global_navigation_list li:nth-of-type(5) a {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -584px -480px;
  width: 109px;
  height: 0;
  padding-top: 59px;
  background-repeat: no-repeat;
}
header nav.global_navigation ul.global_navigation_list li:nth-of-type(5).active {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -713px -480px;
  width: 109px;
  height: 0;
  padding-top: 59px;
  background-repeat: no-repeat;
}
.body_container {
  padding-top: 72px;
  min-width: 1200px;
}
.main {
  position: relative;
  width: 100%;
  height: 550px;
  margin-bottom: 95px;
  overflow: hidden;
  margin-top: 0;
}
.main .main_bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-image: url("/media_library/50th/lecture/img/bg_main.jpg");
  background-position: top right;
  -moz-background-size: cover;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
}
.main h2 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -634px 0px;
  width: 496px;
  height: 0;
  padding-top: 141px;
  background-repeat: no-repeat;
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translateX(-50%) translateY(-10%);
  -moz-transform: translateX(-50%) translateY(-10%);
  -ms-transform: translateX(-50%) translateY(-10%);
  transform: translateX(-50%) translateY(-10%);
  padding-bottom: 1px;
}
.main .page_navigation {
  position: absolute;
  left: 30px;
  top: 30px;
  width: 300px;
}
.main .page_navigation h3 {
  color: #fff;
  font-size: 24px;
  font-size: 1.5rem;
  font-weight: bold;
  padding: 10px;
  background-color: #921529;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.main .page_navigation .page_navigation_list li {
  position: relative;
}
.main .page_navigation .page_navigation_list li:nth-of-type(n+2) {
  border-top: 1px solid #3d3632;
}
.main .page_navigation .page_navigation_list li a {
  background-color: rgba(0,0,0,0.8);
  position: relative;
  display: block;
  color: #fff;
  text-decoration: none;
  font-size: 24px;
  font-size: 1.5rem;
  font-weight: bold;
  padding: 10px;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  will-change: background-color;
  -webkit-transition: background-color 0.2s ease-out;
  -moz-transition: background-color 0.2s ease-out;
  transition: background-color 0.2s ease-out;
}
.main .page_navigation .page_navigation_list li a:hover {
  background-color: #000;
}
.main .page_navigation .page_navigation_list li a:after {
  content: '';
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -1016px -161px;
  width: 11px;
  height: 0;
  padding-top: 7px;
  background-repeat: no-repeat;
  position: absolute;
  right: 10px;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}
section.prof h2,
section.sec3rd h2 {
  font-size: 32px;
  font-size: 2rem;
  font-weight: bold;
  position: relative;
  padding-left: 15px;
  margin-bottom: 20px;
}
section.prof h2:before,
section.sec3rd h2:before {
  content: '';
  display: block;
  width: 5px;
  height: 1em;
  background-color: #0978c2;
  position: absolute;
  left: 0;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}
figure.fill_width {
  text-align: center;
  margin-top: 40px;
}
.body_container {
  color: #4b4b4b;
  padding-bottom: 100px;
  overflow: hidden;
  -ms-transform: rotate(0.01deg);
}
.body_container .view {
  min-width: 1024px;
  width: 1024px;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
.body_container section p,
.body_container .over_view p {
  font-size: 25.6px;
  font-size: 1.6rem;
}
.body_container section p:before,
.body_container .over_view p:before {
  content: '　';
}
.body_container .over_view {
  margin-bottom: 60px;
}
section.prof .row .pull_left {
  width: 233px;
}
section.prof .row .pull_right {
  width: 750px;
  padding-top: 70px;
  font-size: 25.6px;
  font-size: 1.6rem;
}
section.prof dl h3 {
  font-size: 32px;
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 10px;
}
section.prof dl h3 small {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: -842px -480px;
  width: 134px;
  height: 0;
  padding-top: 14px;
  background-repeat: no-repeat;
  display: block;
  margin-bottom: 5px;
}
section {
  margin-top: 80px;
}
section .heading {
  position: relative;
  width: 100%;
  height: 470px;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  margin-bottom: 60px;
}
section .heading .bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-position: center;
  -moz-background-size: cover;
  background-size: cover;
}
section .heading h1 {
  position: absolute;
  left: 50%;
  top: 50%;
  margin-left: -500px;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}
section .body {
  padding: 0 12px;
  position: relative;
}
section .body h3 {
  color: #0075c1;
  font-weight: bold;
  font-size: 32px;
  font-size: 2rem;
  margin-bottom: 40px;
}
section .body .movie_trigger {
  position: absolute;
  right: 12px;
  top: 55px;
  cursor: pointer;
}
section .group {
  margin-top: 60px;
  position: relative;
}
section .row.slide {
  width: 900px;
  margin: 0px auto;
  margin-top: 60px;
}
section .row.slide h5 {
  font-weight: bold;
  font-size: 25.6px;
  font-size: 1.6rem;
}
section .row.slide h5:before {
  content: '■';
  color: #0075c1;
}
section .row.book figure {
  margin-left: 20px;
  margin-bottom: 20px;
}
section .row.book p:nth-of-type(1) {
  margin-top: 1.5em;
}
section ol {
  margin: 30px 0;
  font-weight: bold;
  font-size: 25.6px;
  font-size: 1.6rem;
}
section ol li:nth-of-type(n+2) {
  margin-top: 10px;
}
section ol.tabled {
  display: table;
  width: 100%;
}
section ol.tabled span {
  display: table-cell;
}
section ol.tabled span:nth-of-type(1) {
  width: 110px;
}
section.sec1st .bg {
  background-image: url("/media_library/50th/lecture/img/bg_sec1st.jpg");
}
section.sec1st h1 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: 0px -240px;
  width: 564px;
  height: 0;
  padding-top: 220px;
  background-repeat: no-repeat;
}
section.sec2nd .bg {
  background-image: url("/media_library/50th/lecture/img/bg_sec2nd.jpg");
}
section.sec2nd h1 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: 0px -480px;
  width: 564px;
  height: 0;
  padding-top: 115px;
  background-repeat: no-repeat;
}
section.sec3rd .bg {
  background-image: url("/media_library/50th/lecture/img/bg_sec3rd.jpg");
}
section.sec3rd h1 {
  position: relative;
  overflow: hidden;
  display: inline-block;
  -moz-background-size: 1130px 595px;
  background-size: 1130px 595px;
  background-image: url("/media_library/50th/assets/img/sprite/sprite_lecture_detail.png?rev=1477407600000");
  background-position: 0px -240px;
  width: 564px;
  height: 0;
  padding-top: 220px;
  background-repeat: no-repeat;
}