body{
	min-width:960px;
    padding-top:100px;
	background-color:#fff;
	line-height: 1.5;
	color:#275771;
	font-size:17px;
    font-family: "Newsreader", serif;
    font-optical-sizing: auto;
    font-style: normal;
}
/* common */
.section{
    
}
.container{
    max-width:920px;
    margin:0 auto;
    padding:0 20px;
}
h1{
    text-align: center;
    font-size:50px;
}
h2{
    line-height: 1.3;
}
h3{
}
p{
    padding-bottom:20px;
}
img{
    max-width:100%;
    height:auto;
}
a:link{
    text-decoration: none;
    color:#005bac;
}
a:visited{
    text-decoration: none;
    color:#005bac;
}
a:hover{
    text-decoration: none;
    color:#e50012;
}
a:active{
    text-decoration: none;
    color:#e50012;
}
/* Font and Color */
.FontG {
  font-family: "Kantumruy Pro", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
}
.FontC{
  font-family: "Noto Sans SC", sans-serif;
  font-optical-sizing: auto;
  font-style: normal;
}
.Font200{
    font-weight: 200;
}
.Font300{
    font-weight: 300;
}
.Font400{
    font-weight: 400;
}
.Font500{
    font-weight: 500;
}
.Font600{
    font-weight: 600;
}
.Font700{
    font-weight: 700;
}
.Font800{
    font-weight: 800;
}
.BgGray{
    background-color:#f7f7f7;
}
/* Rayer */
.ray1{
    z-index:999;
    position: absolute;
}
.ray2{
    z-index:100;
}
/* Fadein*/
.Fadein {
  opacity: 0;
  transform: translateY(100px);
  transition: 0.5s ease;
}
/* header */
header{
    position: fixed;
    top:0;
    width:100%;
    min-width:960px;
    height:100px;
    background-color:#fff;
    -webkit-box-shadow: 0 10px 8px -6px #8d8c8c;
    -moz-box-shadow: 0 10px 8px -6px #8d8c8c;
    box-shadow: 2px 2px 10px 0 #8d8c8c;
}
.headBox1{
    display: flex;
    flex-wrap: wrap;
    justify-content:space-between;
    align-items:flex-end;
    
}
#headLogo{
    
}
#headNav ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
}
#headNav ul li{
    margin:0 0.5em;
}
#headNav ul li span{
    color:#275771;
    border-bottom:1px dotted #275771;
}
#headNav ul li a:link{
    text-decoration: none;
    color:#0e1b21;
}
#headNav ul li a:visited{
    text-decoration: none;
    color:#0e1b21;
}
#headNav ul li a:hover{
    border-bottom:1px dotted #275771;
    text-decoration: none;
    color:#275771;
}
#headNav ul li a:active{
    border-bottom:1px dotted #275771;
    text-decoration: none;
    color:#275771;
}
#headNav ul li.LinkC{
    display: flex;
    display:none;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    line-height: 1;
    border-bottom:none;
    font-size:15px;
}
#headNav ul li.LinkC a:link{
    margin:0 0 5px 10px;
    padding:5px 20px 5px 10px;
    border-radius: 30px;
    background:url("../webp/head1.webp") no-repeat right 5px center #f7f7f7;
    text-decoration: none;
    color:#0e1b21;
    transition: 0.2s;
}
#headNav ul li.LinkC a:visited{
    margin:0 0 5px 10px;
    padding:5px 20px 5px 10px;
    border-radius: 30px;
    background:url("../webp/head1.webp") no-repeat right 5px center #f7f7f7;
    text-decoration: none;
    color:#0e1b21;
    transition: 0.2s;
}
#headNav ul li.LinkC a:hover{
    margin:0 0 5px 10px;
    padding:5px 20px 5px 10px;
    border-radius: 30px;
    border-bottom:0;
    background:url("../webp/head2.webp") no-repeat right 5px center #275771;
    text-decoration: none;
    color:#fff;
    transition: 0.2s;
}
#headNav ul li.LinkC a:active{
    margin:0 0 5px 10px;
    padding:5px 20px 5px 10px;
    border-radius: 30px;
    border-bottom:0;
    background:url("../webp/head2.webp") no-repeat right 5px center #275771;
    text-decoration: none;
    color:#fff;
    transition: 0.2s;
}
/* footer */
footer{
    margin-top:120px;
    padding:20px 0 60px 0;
    color:#275771;
    font-size:16px;
}
.footer_pc{
    display: none;
}
.footer_tb{
    display: inherit;
}
.footer_sp{
    display: none;
}
.footBox1{
    display:block;
    flex-wrap: wrap;
    justify-content:space-between;
    align-items:flex-start;
    margin-bottom:20px;
}
.footBox11{
    
}
.footBox12{
    display: flex;
    flex-wrap: wrap;
    justify-content:flex-start;
    align-items:flex-start;
    margin-top:40px;
}
.footBox12 ul{
    display: flex;
    flex-wrap: wrap;
    justify-content:flex-start;
    align-items: center;
    margin-left:0px;
    font-size:18px;
}
.footBox12 ul li a:link{
    margin-bottom:5px;
    margin-right:2em;
    color:#275771;
    text-decoration: none;
}
.footBox12 ul li a:visited{
    margin-bottom:5px;
    margin-right:2em;
    color:#275771;
    text-decoration: none;
}
.footBox12 ul li a:hover{
    margin-bottom:5px;
    margin-right:2em;
    border-bottom:none;
    color:#275771;
    text-decoration: none;
}
.footBox12 ul li a:active{
    margin-bottom:5px;
    margin-right:2em;
    border-bottom:none;
    color:#275771;
    text-decoration: none;
}
.footBox12 ul li.envelope {
    background:url("../webp/mail.webp") no-repeat right 12px top 5px;
    background-size:16px auto;
}
.footBox2{
    display: flex;
    flex-wrap: wrap;
    justify-content:flex-start;
    align-items:center;
}
.footBox21{
    
}
.footBox22{
    margin-left:10px;
    font-size:28px;
}
/* Headimg */
#Headimg{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    width:100%;
    height:100vh;
    margin:0px auto -120px auto;
    background:url("../webp/headimg_tb.webp") no-repeat center;
    background-size:cover;
}
.headimgBox1{
    width:100%;
    padding:30px 0;
    background-color:rgba(39, 87, 113, 0.6);
    color:#fff;
}
.headimgCatch{
    text-align: center;
    color:#fff;
    font-size:28px;
}
#SubHeadimg{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items:flex-end;
    width:100%;
    height:250px;
    margin-bottom:80px;
}
.subheadImg2{
    background:url("../webp/headimg2.webp") no-repeat center bottom;
    background-size:100% auto;
}
.subheadImg3{
    background:url("../webp/headimg3.webp") no-repeat center center;
    background-size:100% auto;
}
.subheadImg4{
    background:url("../webp/headimg4.webp") no-repeat center center;
    background-size:100% auto;
}
.headimgBox2{
    width:100%;
    background-color:rgba(39, 87, 113, 0.6);
}
.headimgBox2 h1{
    padding:15px 0 0 0;
    line-height: 1;
    text-align: left;
    color:#fff;
    font-size:50px;
}
/* Lead */
#Lead{
    padding-top:80px;
}
#Lead h2{
    font-size:26px;
}
.leadBox1{
    display: flex;
    flex-wrap: wrap;
    justify-content:space-between;
    align-items:flex-start;
}
.leadBox11{
    white-space: nowrap;
    width:45%;
}
.leadBox12{
    width:50%;
}
/* Thesis */
#Thesis{
    
}
#Thesis h2{
    margin-bottom:40px;
    font-size:32px;
}
.thesisUl1{
    margin:0 auto 1em 1em;
    list-style:disc;
}
.thesisUl1 li{
    margin-bottom:0.5em;
}
/* Work */
#Work{
    
}
#Work h2{
    font-size:26px;
}
.workBox1{
    display: flex;
    flex-wrap: wrap;
    justify-content:space-between;
    align-items:flex-start;
}
.workBox11{
    white-space: nowrap;
}
.workBox12{
    width:55%;
}
.workBox3{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    margin:80px auto 40px auto;
}
.workBox31{
    margin-right:20px;
}
.workBox32{
    padding-top:12px;
    font-size:22px;
    font-weight: 500;
}
.accordion  {
  border-bottom:1px solid #275771;
}
.accordion1  {
  border-top:1px solid #275771;
}
.accordion_title {
  position: relative;
  border: none;
  display: block;
  list-style: none;
  width: 100%;
    padding:20px 0;
    font-size:20px;
    font-weight: 600;
}
summary.accordion_title::-webkit-details-marker {
  display:none;
}
.accordion_title:after {
  content: "+";
  position: absolute;
  top: calc(50% - 0.5em);
  right: 20px;
  line-height: 1;
  padding: 0;
  pointer-events: none;
}
.accordion::details-content {
  opacity: 0;
  block-size: 0;
  transition: .3s;
  transition-property: display, opacity, block-size, padding;
  transition-behavior: allow-discrete;
  line-height: 1.6em;
}
.accordion .accordion_contents {
  padding: 0 2em 0 3em;
}
.accordion .accordion_contents > *:first-of-type {
  margin-top: 0;
}
.accordion .accordion_contents > *:last-of-type {
  margin-bottom: 0;
}
.accordion[open]::details-content {
  opacity: 1;
  block-size: auto;
  block-size: calc-size(auto, size);
}
.accordion[open] .accordion_contents {
  padding: 10px 0em 20px 0em;
}
.accordion[open] .accordion_title:after {
  content: "-";
}
/* Team */
#Team{
    
}
.item_pc{
    display: none;
}
.item_tb{
    display: inherit;
}
.item_box * {
  box-sizing: border-box;
}
.item_box {
  width: 100%;
  max-width: 50%; /* 幅調整 */
}
.item_box2 {
  width: 100%;
  max-width: 380px; /* 幅調整 */
}
.item_link {
  display: block;
}
.item_content {
  position: relative;
  overflow: hidden;
}
.item_image img {
  width: 100%;
  height: auto;
  vertical-align: top;
}
.item_mask {
    display:none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.8);
  opacity: 0;
}
.item_mask-text {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  padding: 20px;
  font-size: 0.8em;
  text-align: left;
  color: #275771;
  transform: translateY(-50%);
}
.item_mask-text ul{
    margin-left:10px;
}
.item_mask-text ul li{
    margin-bottom:0.5em;
    list-style:disc;
}
.item_text {
  margin-top: 10px;
  text-align: center;
}
.item_box .item_link:hover .item_mask {
  opacity: 1;
}
/* -text-from-bottom */
.item_box.-text-from-bottom .item_mask {
  transition: opacity 0.5s ease;
}
.item_box.-text-from-bottom .item_mask-text {
  top: 100%;
  transition: top 0.5s ease;
}
.item_box.-text-from-bottom .item_link:hover .item_mask-text {
  top: 50%;
  transform: translateY(-50%);
}
.item_tb_Box1{
    display: flex;
    flex-wrap: wrap;
    justify-content:space-between;
    align-items:flex-start;
    margin-bottom:80px;
}
.item_tb_Box11{
    width:30%;
}
.item_tb_Box12{
    width:67%;
    padding-left:3%;
}
.item_tb_Box12 ul{
    margin:20px auto 0 20px;
}
.item_tb_Box12 ul li{
    margin-bottom:0.5em;
    list-style:disc;
}
.item_tb_Box2{
    display: flex;
    flex-wrap: wrap;
    justify-content:space-between;
    align-items:flex-start;
    margin-bottom:80px;
}
.item_tb_Box21{
    width:30%;
}
.item_tb_Box22{
    width:67%;
    padding-left:3%;
}
.item_tb_Box22 ul{
    margin:20px auto 0 20px;
}
.item_tb_Box22 ul li{
    margin-bottom:0.5em;
    list-style:disc;
}
.teamBox2{
    display: flex;
    flex-wrap: wrap;
    justify-content:space-between;
    align-items:flex-start;
}
.teamBox21{
    width:30%;
    margin-top:40px;
}
.team1{
    margin-top:0px;
    line-height: 1;
    font-size:30px;
}
.team2{
    font-size:18px;
}
.team3{
    font-size:19px;
}
.fadeUp {
animation-name: fadeUpAnime;
animation-duration: 0.5s;
animation-fill-mode: forwards;
opacity: 0;
}
@keyframes fadeUpAnime {
from {
opacity: 0;
transform: translateY(50px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
/* Background */
#Background{
    
}
#Background h2{
    margin-bottom:40px;
    font-size:32px;
}
.background1{
    margin:60px auto 80px auto;
    text-align: center;
}
.backgroundImg1{
    margin:40px auto 60px auto;
    text-align: center;
}
/* Contact */
#Contact{
    background:url("../webp/contact1.webp") repeat-x left top;
    background-size:100% 350px;
}
#Contact h2{
    margin-bottom:20px;
    font-size:60px;
}
#Contact a:link{
    margin-right:2.2em;
    margin-bottom:5px;
    color:#275771;
    text-decoration: none;
}
#Contact a:visited{
    color:#275771;
    text-decoration: none;
}
#Contact a:hover{
    border-bottom:1px dotted #275771;
    color:#275771;
    text-decoration: none;
}
#Contact a:active{
    border-bottom:1px dotted #275771;
    color:#275771;
    text-decoration: none;
}
#Contact .envelope {
    display: inline-block;
    padding-right:21px;
    background:url("../webp/mail.webp") no-repeat right top 7px;
    background-size:16px auto;
}
.contactBox1{
    display: flex;
    flex-wrap: wrap;
    justify-content:space-between;
    align-items:flex-start;
    padding-top:80px;
}
.contactBox11{
    width:60%;
}
.contactBox12{
    width:40%;
    text-align: right;
}
.contactForm{
    
}
.formTable{
    margin-top:80px;
}
.formBtn{
    width:480px;
    margin-top:20px;
    text-align: center;
}
.formTable th{
    padding-top:1em;
}
.formTable td{
    padding-right:1em;
}
.form1{
    display: inline-block;
    padding-left:0.5em;
    font-size:14px;
    font-weight: 300;
}
.form2{
    width:230px;
    padding:5px;
    background-color:#f7f7f7;
}
.form3{
    width:100%;
    padding:5px;
    background-color:#f7f7f7;
}
.form4{
    width:100%;
    height:200px;
    padding:5px;
    background-color:#f7f7f7;
}
.form5{
    width:100px;
    margin:0 0.5em;
    padding:5px;
    background-color:#275771;
    border:1px solid #275771;
    border-radius: 5px;
    color:#fff;
}
.form5:hover{
    background-color:#fff;
    border:1px solid #275771;
    color:#275771;
}
/* Message */
#Message{
    padding-top:80px;
}
#Message h2{
    margin-bottom:20px;
    font-size:60px;
}
/* Banner */
#Banner{
    margin-top:120px;
}
#Banner h2{
    text-align: center;
    font-size:30px;
}
.bannerBox1{
    margin:0 auto;
    padding:40px 0 30px 0;
    border:1px solid #275771;
}
.bannerBox2{
    display: flex;
    flex-wrap: wrap;
    justify-content:space-around;
    align-items:flex-start;
    width: auto;
    margin:40px auto 0 auto;
}
.bannerBox2 a{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items:flex-end;
    width:379px;
    height:120px;
    margin-bottom:30px;
    text-align: center;
    text-decoration: none;
    font-size:28px;
    color:#fff;
    transition: 0.2s;
}
.banner1 a:link{
    background:url("../webp/banner10.webp") no-repeat center;
    background-size:100% auto;
}
.banner1 a:visited{
    background:url("../webp/banner10.webp") no-repeat center;
    background-size:100% auto;
}
.banner1 a:hover{
    background:url("../webp/banner11.webp") no-repeat center;
    background-size:110% auto;
}
.banner1 a:active{
    background:url("../webp/banner11.webp") no-repeat center;
    background-size:110% auto;
}
.banner2 a:link{
    background:url("../webp/banner20.webp") no-repeat center;
    background-size:100% auto;
}
.banner2 a:visited{
    background:url("../webp/banner20.webp") no-repeat center;
    background-size:100% auto;
}
.banner2 a:hover{
    background:url("../webp/banner21.webp") no-repeat center;
    background-size:110% auto;
}
.banner2 a:active{
    background:url("../webp/banner21.webp") no-repeat center;
    background-size:110% auto;
}
.banner3 a:link{
    background:url("../webp/banner30.webp") no-repeat center;
    background-size:100% auto;
}
.banner3 a:visited{
    background:url("../webp/banner30.webp") no-repeat center;
    background-size:100% auto;
}
.banner3 a:hover{
    background:url("../webp/banner31.webp") no-repeat center;
    background-size:110% auto;
}
.banner3 a:active{
    background:url("../webp/banner31.webp") no-repeat center;
    background-size:110% auto;
}
.banner4 a:link{
    background:url("../webp/banner40.webp") no-repeat center;
    background-size:110% auto;
}
.banner4 a:visited{
    background:url("../webp/banner40.webp") no-repeat center;
    background-size:100% auto;
}
.banner4 a:hover{
    background:url("../webp/banner41.webp") no-repeat center;
    background-size:110% auto;
}
.banner4 a:active{
    background:url("../webp/banner41.webp") no-repeat center;
    background-size:120% auto;
}
.bannerBox2 h3{
    width:100%;
    padding:5px 0;
    background-color:rgba(39, 87, 113, 0.6);
    line-height: 1;
    transition: 0.2s;
}
.bannerBox2 a:hover h3{
    width:100%;
    padding:10px 0;
    background-color:rgba(39, 87, 113, 0.8);
    line-height: 1;
}
/* Fadein*/
.Fadein {
  opacity: 0;
  transform: translateY(100px);
  transition: 0.5s ease;
}
/* display */
.pc{
    display: inherit;
}
.sp{
    display: none;
}