@charset 'utf-8';
 @-webkit-keyframes nav_active {
0% {
opacity:0
}
100% {
opacity:1
}
}
@keyframes nav_active {
0% {
opacity:0
}
100% {
opacity:1
}
}
body {
  margin: 0;
  padding: 0;
  color: #222;
}
header {
  background: rgba(255,255,255,0.8);
  filter: drop-shadow(5px 5px 5px rgba(0,0,0,0.1));
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 10;
  transition: All 0.5s ease;
}
.logo {
  max-width: 960px;
  align-items: center;
  margin: 10px auto 15px auto;
}
.logo img {
  width: 80px;
  margin-right: 20px;
}
.title {
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo h1 {
  text-align: center;
  display: block;
  font-size: 2.4em;
}
.logo h1 span {
  display: block;
  font-size: 0.9em;
}
.logo p {
  display: block;
}
.logo .contact {
  font-weight: bolder;
  text-align: right;
}
header nav {
  width: 100%;
}
header nav ul {
  display: flex;
  max-width: 960px;
  justify-content: center;
  margin: 0 auto;
}
header nav ul li {
  width: 20%;
}
header nav ul li a {
  position: relative;
}
header nav ul li a:visited, header nav ul li a:link {
  text-decoration: none;
  color: #222;
  display: block;
  text-align: center;
  font-size: 1.2em;
  font-weight: bold;
  padding: 0;
}
header nav ul li a span {
  display: block;
  font-size: 0.8em;
  font-weight: normal;
  letter-spacing: 1px;
  margin: -3px 0 6px 0;
}
header nav ul li a::after {
  content: '';
  display: block;
  border-bottom: 3px solid #222;
  margin: 0 auto;
  width: 0;
  transition: all .3s;
}
header nav ul li a.current::after {
  width: 100%;
}
header nav ul li a:hover::after {
  width: 100%;
}
header nav ul li:hover .sub_menu {
  display: block;
  animation: nav_active 1s ease 0s 1 alternate
}
header nav ul li .sub_menu {
  display: none;
  position: absolute;
  width: 250px;
}
header nav ul li .sub_menu li {
  border: 1px solid #616161;
  width: 250px;
}
header nav ul li .sub_menu a {
  background: #fff;
  padding: 10px 20px;
  animation: nav_active 1s ease 0s 1 alternate;
  font-size: 1rem;
  text-align: left;
  width: 248px;
}
header nav ul li .sub_menu a:hover {
  background: #616161;
  transition: 1s;
  color: #fff;
}
header nav ul li .sub_menu a::after {
  display: none;
}
button {
  margin-top: 100px;
}
.main_img img {
  width: 100%;/*    margin-top: 170px;*/
}
.content {
  width: 100%;
  padding: 100px 0;
}
.content_area {
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}
.content_area h2 {
  margin: 0 auto 50px;
  font-size: 1.5em;
  position: relative;
  text-align: center;
}
.content_area h2 span {
  display: block;
  font-size: 0.6em;
  letter-spacing: 2px;
  margin: -4px auto 0;
  color: #616161;
}
.content_area h3 span {
  display: block;
  font-size: 0.7em;
  font-weight: normal;
}
.about h2::after {
  content: '';
  display: block;
  position: absolute;
  bottom: -25px;
  height: 8px;
  width: 100%;
  background: #616161;
  width: 70%;
  margin: auto;
  left: 0;
  right: 0;
}
.seminar_title {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}
.seminar_title h2 {
  margin: 0 20px;
}
.content_area h3 {
  padding: 0.4em 0.5em;
  color: #494949;
  background: #f4f4f4;
  border-left: solid 5px #616161;
  border-bottom: solid 3px #d7d7d7;
  font-size: 1.4em;
  text-align: left;
  margin-bottom: 10px;
}
.content_area h4 {
  color: #494949;
  font-size: 1.3em;
  border-left: 5px double #616161;
  letter-spacing: 1px;
  padding-left: 10px;
  margin-bottom: 10px;
  text-align: left;
  margin-top: 40px;
}
.content_area h5 {
  position: relative;
  padding-left: 30px;
  font-size: 1.3em;
  color: #000000;
  text-align: left;
}
.content_area h5::before, .content_area h5::after {
  content: "□";
  position: absolute;
}
.content_area h5::before {
  left: 0;
  top: -3px;
}
.content_area h5::after {
  left: 5px;
  top: 3px;
  color: #ccc;
}
.content_area p {
  margin: 15px auto 0;
  font-size: 1.2em;
  line-height: 2.3;
  text-align: left;
}
.content_area ul {
  padding-left: 0!important;
}
.content_area li {
  font-size: 1.2em;
  text-align: left;
}
.content_area img {
  margin-top: 15px;
  padding: 10px;
  border: 1px solid #ccc;
}
.content_area a img:hover {
  opacity: 0.85;
}
.about_contents {
  margin-bottom: 35px!important;
}
.about_contents img {
  margin: 0;
}
.news {
  background: #bbbbbb;
}
.news_area {
  height: 200px;
  overflow-y: scroll;
  margin-top: 30px;
  width: 95%;
  margin: 0 auto;
}
.news_area table {
  width: 100%;
  font-size: 1.1em;
}
.news_area table tr {
  border-bottom: 1px solid #9d9d9d;
}
.news_area table tr td {
  padding: 16px 0 4px 0;
}
.news_area table tr td:first-child {
  width: 15%;
}
.news_area table tr td time::before {
  font-family: FontAwesome;
  content: '\f140';
  font-size: 0.8em;
  margin-right: 2px;
  color: #9d9d9d;
  margin-right: 5px;
}
#research img {
  width: 300px;
  margin-top: 15px;
  border: 1px solid gray;
}
#introduction .member {
  border-bottom: 1px dotted gray;
}
#introduction .box_col_02 img {
  width: 20%;
  margin-top: 10px!important;
}
#introduction .box_col_02 div.text {
  width: 75%;
}
#introduction .box_col_02 p:first-child {
  margin-top: 0;
}
footer {
  background: #222;
}

footer .ft_con {
    display: flex;
    width: 960px;
    margin: 0 auto;
    justify-content: space-between;
    flex-direction: row-reverse;
    align-items: center;
}

footer p {
  color: #fff;
  text-align: center;
  letter-spacing: 1px;
  font-size: 0.9em;
  /*    line-height:6;*/
  padding: 20px 0;
}
/*---------------------------
下層ページ
---------------------------*/
#page_header {
  padding-top: 10px;
  filter: drop-shadow(5px 0px 5px rgba(0,0,0,0.1));
  background: rgba(255,255,255,0.9);
}

#page .content_area,
#page .content_area li,
#page .content_area p
{
    font-size: 1.2rem;
    line-height: 2.3;
    text-align: left;
}



#page .content_area section{
  padding-top: 60px;
  margin-top: -60px;
  margin-bottom: 100px;

}

/*---------------------------
背景
---------------------------*/

.bg_black {
  background: #616161;
  color: #fff;
  padding: 3px 5px;
  margin: 0 5px;
}
.link_black {
  background: #fff;
  padding: 1px 5px;
  margin-left: 3px;
  border: 1px solid #616161;
  text-decoration: none!important;
  color: #616161!important;
  transition: 1s;
}
.link_black:hover {
  background: #616161;
  color: #fff!important;
  transition: 1s;
}

/*---------------------------
テーブル
---------------------------*/
.tbl01{
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

.tbl01 tr{
  border-bottom: 1px dotted #ccc;
}


.tbl01 th,.tbl01 td{
  padding: 10px 0px;
}

.tbl01 tr:nth-child(even){
  background-color: #bbbbbb
}

.tbl02{
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

.tbl02 tr{
}

.tbl02 th{
  background: #616161;
  color: #fff;
}

.tbl02 th,.tbl02 td{
  padding: 10px 20px;
  border: 1px dotted #ccc;
}

.tbl02 tr:nth-child(even){
  background-color: #ccc;
}


@media screen and (max-width:579px) {
.logo h1 {
  text-align: left;
  display: block;
  font-size: 1.7em;
}
.contact {
  display: none!important;
}
.title {
  width: 75%;
}
html, body {
  overflow-x: hidden;
}
header {
  background-color: white;
  filter: none;
  z-index: 0;
  position: static!important;
}
header nav {
  background: #333;
  color: #fff;
  height: calc(100% + 500px);
  padding-bottom: 500px;
  z-index: 100;
  width: 70%;
  overflow-x: none;
  overflow-y: auto;
  top: 0px;
  right: -70%;
  position: fixed;
  transition: All 0.5s ease;
}
header nav ul {
  font-size: 0.8em;
  float: none;
  display: block;
}
header nav ul>li {
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  width: 100%;
  padding-top: 0;
  box-sizing: border-box;
}
header nav ul>li>a {
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
  font-size: 1.6em!important;
  color: #fff!important;
  display: block;
  padding: 1em 1.5em!important;
  text-decoration: none;
  position: relative;
  letter-spacing: 0.05em;
  text-align: left!important;
}
header nav ul>li>a::after {
  border: none;
}
header nav ul>li>a:hover {
  background-color: #000;
  box-shadow: 0 0 4px rgba(255, 0, 0, 0.2)
}
header nav ul>li>a img {
  display: none;
}
header nav ul>li>a span {
  margin: 0;
}
header nav ul>li> .sub_menu {
  display: block;
  position: relative;
}
header nav ul>li> .sub_menu a {
  background: #808080;
  width: 100%;
  font-size: 1rem!important;
}

  header nav ul li .sub_menu {
    width: 100%;
  }

  header nav ul li .sub_menu li {
    width: 100%;
  }

.main_img img {
  width: 100%;
  margin-top: 0px;
}
.seminar_title {
  display: block;
}
.sub-menu {
  padding: 0!important;
}
.sub-menu>li>a {
  background-color: rgba(0, 0, 0, 0.4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
  color: #fff!important;
  display: block;
  font-size: 1.3em;
  padding: 1em 2.8em;
  text-decoration: none
}
.sp_nav_open {
  right: 0 !important
}
.sp_nav_trigger {
  cursor: pointer;
  z-index: 1000;
  position: fixed !important;
  top: 25px;
  right: 15px;
  margin-top: -5px;
  width: 36px;
  height: 24px
}
.sp_nav_trigger span {
  display: inline-block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: #000;
  border-radius: 4px;
  transition: all .4s;
  box-sizing: border-box
}
.sp_nav_trigger span:nth-of-type(1) {
  top: 0
}
.sp_nav_trigger span:nth-of-type(2) {
  top: 10px
}
.sp_nav_trigger span:nth-of-type(3) {
  bottom: 0
}
.sp_nav_trigger::after {
  position: absolute;
  left: 0;
  bottom: -20px;
  content: 'MENU';
  display: block;
  width: 100%;
  padding-top: 20px;
  color: #000;
  font-size: 10px;
  text-decoration: none;
  text-align: center;
  transition: all 0.4s
}
.sp_nav_trigger.active::after {
  content: 'CLOSE';
  bottom: -25px;
  color: #fff
}
.sp_nav_trigger.active span:nth-of-type(1) {
  transform: translateY(10px) rotate(-45deg);
  background: #fff
}
.sp_nav_trigger.active span:nth-of-type(2) {
  opacity: 0;
  background: #fff
}
.sp_nav_trigger.active span:nth-of-type(3) {
  transform: translateY(-10px) rotate(45deg);
  background: #fff
}
.sp_table_member tr td {
  font-size: 0.6em !important;
}
.sp_table_member table tr {
  display: block;
  margin-bottom: 10px;
}
.sp_table_member table th {
  display: block;
}
.sp_table_member table td {
  display: block;
  width: 100%;
  border: none;
}
.sp_brno {
  display: none;
}
.content {
  padding: 50px 0;
}
.content_area p {
  margin: 25px auto 0;
  font-size: 1.1em;
  width: 95%;
}
.about_contents {
  margin-bottom: 10px!important;
}
.ol_maru {
  margin: 10px!important;
}
.news_area table tr td {
  vertical-align: top;
}
.news_area table tr td time {
  margin-right: 10px;
}
.tbl_bdr {
  font-size: 0.9em;
}
#introduction .box_col_02 img {
  width: 200px;
}
#introduction .box_col_02 div.text {
  width: 100%;
}
#introduction .box_col_02 p:first-child {
  margin-top: 0;
}

footer .ft_con {
    width: 100%;
  display: block;
  padding: 20px 0;
}

footer p {
  padding: 5px 0;
}
/*---------------------------
下層ページ
---------------------------*/
#page_header {
  position: static!important;
  padding-top: 25px;
  filter: none;
}
#page_header+.content {
  padding-top: 0;
}
.sp_br {
  display: block;
}
.pc_none {
  display: block;
}

#page .content_area{
  padding: 0 10px;
}

#page .content_area section a {
    word-break:break-all;
}

/*---------------------------
テーブル
---------------------------*/
.sp_tbl th, .sp_tbl td{
  width: 100%;
  display: block;
  padding: 0 0 0 0;
}

.sp_tbl th {
}

}