@charset "UTF-8";
.lead_section{
  display: flex;
  align-items: center;
  background-image: url(../img/about/bg.png);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  padding: 8rem 0 6rem;
}

.lead_inner{
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.lead_title{
  text-align: center;
}

.lead_content{
  max-width: 70rem;
}

.lead_content h3{
  display: inline-block;
  position: relative;
  font-size: 2.2rem;
  line-height: 1.65;
}

.page_title_inner{
  background-image: url(../img/about/grad.png);
  background-repeat: no-repeat;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-fill-color: transparent;
  position: absolute;
  display: inline-block;
  top: 0;
  left: 0;
  z-index: 2;
}

.lead_content h3 .page_title_inner{
  background-position: -5rem center;
  background-size: auto 100%;
}

.page_title_original{
  position: relative;
  z-index: 1;
}

.lead_content p{
  font-size: 1.4rem;
  line-height: 1.9;
  margin-top: 3rem;
}

@media screen and (min-width: 768px) {
  .lead_section{
    min-height: 57rem;
    padding: 0;
  }
  .lead_content h3{
    font-size: 4.6rem;
  }
  .lead_content p{
    font-size: 2.4rem;
  }
}

@media screen and (min-width: 1025px) {
  .lead_content{
    max-width: 66rem;
  }
  .lead_content h3{
    font-size: 3.6rem;
  }
  .lead_content p{
    font-size: 1.6rem;
  }
}

.page_content_wrapper{
  padding-bottom: 9rem;
}

.page_content_frame{
  padding-top: 7.6rem;
  padding-bottom: 9.7rem;
  position: relative;
}

.page_content_frame::after{
  content: "";
  display: block;
  width: calc(100% - 1.0rem);
  height: calc(100% - 2.2rem);
  position: absolute;
  top: 2.2rem;
  left: 1.0rem;
  z-index: 0;
  background-color: rgba(0, 53, 134, 0.4);
  backdrop-filter: blur(10px);
}

@media screen and (min-width: 768px) {
  .page_content_frame{
    padding-top: 15.9rem;
    padding-bottom: 13.2rem;
  }
  .page_content_frame::after{
    width: calc(100% - 3rem);
    height: calc(100% - 5.9rem);
    top: 5.9rem;
    left: 3rem;
  }
}

.page_content_inner{
  max-width: 1440px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8rem 0;
}

.page_block{
  max-width: 1270px;
  width: 100%;
}

.page_content{
  display: flex;
  flex-direction: column;
  gap: 3rem 0;
  margin-top: 3rem;
}

.page_content_title{
  width: 100%;
  font-size: 2.2rem;
  line-height: 1.45;
}

.page_content_main{
  width: 100%;
}

@media screen and (min-width: 768px) {
  .page_content_inner{
    gap: 13.2rem 0;
  }
  .page_content{
    margin-top: 6rem;
  }
  .page_content_title{
    font-size: 3.8rem;
  }
}

@media screen and (min-width: 1025px) {
  .page_content{
    flex-direction: row;
    justify-content: space-between;
  }
  .page_content_title{
    width: calc((260 / 1270) * 100 * 1%);
    font-size: 2.8rem;
  }

  .page_content_main{
    width: calc((950 / 1270) * 100 * 1%);
  }
}

.main_top_title{
  font-size: 1.9rem;
  line-height: 1.7;
  position: relative;
}

.main_top_title .page_title_inner{
  background-position: -6rem center;
  background-size: 22rem 100%;
}

.main_top_text{
  font-size: 1.4rem;
  line-height: 1.9;
}

.main_top_title + .main_top_text{
  margin-top: 1.8rem;
}

@media screen and (min-width: 768px) {
  .main_top_title{
    font-size: 3.4rem;
  }
  .main_top_text{
    font-size: 2.4rem;
  }
}

@media screen and (min-width: 1025px) {
  .main_top_title{
    font-size: 2.5rem;
  }
  .main_top_text{
    font-size: 1.6rem;
  }
}

.main_flow_list{
  margin-top: 9.6rem;
  position: relative;
}

.main_flow_list::before{
  content: "";
  display: block;
  width: 0.5rem;
  height: 100%;
  background-image: linear-gradient(180deg, #0062FF 0%, #00C9F6 78.86%, rgba(0, 201, 246, 0) 100%);
  position: absolute;
  z-index: 1;
  top: 0;
  left: 3.75rem;
}

.main_flow_list li{
  display: flex;
  justify-content: flex-end;
  position: relative;
}

.main_flow_list li + li{
  margin-top: 5.9rem;
}

.main_flow_tag{
  width: 8rem;
  height: 8rem;
  border-radius: 50%;
  background: linear-gradient(180deg, #0062FF 0%, #00C9F6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  z-index: 2;
  top: -3.7rem;
  left: 0;
}

.main_flow_tag .text{
  text-align: center;
  font-size: 1.2rem;
  list-style: 1.3;
}

.main_flow_text_box{
  width: calc((802 / 950) * 100 * 1%);
  padding: 4rem 2rem 2rem;
  position: relative;
  background-color: #2C497D;
  border-radius: 0 1rem 1rem 1rem;
}

.main_flow_text_box::before{
  content: "";
  display: block;
  width: 3.6rem;
  height: 3.6rem;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  background-color: #2C497D;
  position: absolute;
  top: 0;
  left: -2.5rem;
}

.main_flow_text_box h4{
  position: relative;
  font-size: 1.8rem;
  line-height: 1.4;
}

.main_flow_text_box h4 .page_title_inner{
  background-position: -10rem center;
  background-size: 20.4rem auto;
}

.main_flow_text_box p{
  font-size: 1.3rem;
  line-height: 1.9;
  margin-top: 1.6rem;
}

@media screen and (min-width: 768px) {
  .main_flow_list::before{
    left: 6.75rem;
  }
  .main_flow_tag{
    width: 14rem;
    height: 14rem;
    top: -6.7rem;
  }
  .main_flow_tag .text{
    font-size: 2.4rem;
  }
  .main_flow_text_box{
    padding: 4rem;
  }
  .main_flow_text_box h4{
    font-size: 3.4rem;
  }
  .main_flow_text_box p{
    font-size: 2.4rem;
  }

}

@media screen and (min-width: 1025px) {
  .main_flow_list::before{
    left: 4.75rem;
  }
  .main_flow_tag{
    width: 10rem;
    height: 10rem;
    top: -3.7rem;
  }
  .main_flow_tag .text{
    font-size: 1.6rem;
  }
  .main_flow_text_box h4{
    font-size: 2.5rem;
  }
  .main_flow_text_box p{
    font-size: 1.6rem;
  }
}

.main_sub_col{
  margin-top: 12rem;
}

.main_sub_title{
  padding-top: 3.2rem;
  border-top: 1px solid #506383;
  position: relative;
  font-size: 2.0rem;
  line-height: 1.45;
  letter-spacing: 0;
}

.main_sub_title::before{
  content: "";
  display: block;
  width: 11.7rem;
  height: 0.4rem;
  position: absolute;
  top: -0.2rem;
  left: 0;
  background-image: url(../img/news/h2_parts.png);
  background-repeat: no-repeat;
  background-position: left top;
  background-size: contain;
}

.main_sub_list{
  display: flex;
  flex-wrap: wrap;
  gap: 2.8rem 2.8rem;
  margin-top: 2.8rem;
}

.main_sub_list_item{
  width: 100%;
  background-color: #2C497D;
  border-radius: 1rem;
  position: relative;
  padding: 3rem 2rem 3rem;
}

.main_sub_list_num{
  position: absolute;
  z-index: 1;
  top: 0;
  right: 0;
  width: 17.2rem;
  height: 16.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main_sub_list_num.num01 img{
  width: 13.9rem;
}
.main_sub_list_num.num02 img{
  width: 15.8rem;
}
.main_sub_list_num.num03 img{
  width: 16.0rem;
}
.main_sub_list_num.num04 img{
  width: 16.0rem;
}

.main_sub_list_title{
  position: relative;
  font-size: 1.8rem;
  line-height: 1.4;
}

.main_sub_list_title .page_title_inner{
  background-position: -9rem center;
  background-size: 20.4rem 100%;
}

.main_sub_list_text{
  margin-top: 1.6rem;
  font-size: 1.3rem;
  line-height: 1.9;
}

@media screen and (min-width: 768px) {
  .main_sub_title{
    font-size: 3.4rem;
  }
  .main_sub_list{
    margin-top: 4.8rem;
  }
  .main_sub_list_item{
    padding: 4rem;
  }
  .main_sub_list_title{
    font-size: 3.4rem;
  }
  .main_sub_list_text{
    font-size: 2.4rem;
  }

}

@media screen and (min-width: 1025px) {
  .main_sub_title{
    font-size: 2.4rem;
  }
  .main_sub_list_title .page_title_inner{
    background-position: -9rem center;
    background-size: 20.4rem auto;
  }
  .main_sub_list_item{
    width: calc((100% - 2.8rem) / 2);
  }
  .main_sub_list_title{
    font-size: 2.5rem;
  }
  .main_sub_list_text{
    font-size: 1.6rem;
  }
}

.grad_col{
  margin-top: 4.6rem;
  padding: 3rem 2rem 2rem;
  border-radius: 1rem;
}

#anc02 .grad_col{
  background: linear-gradient(104.36deg, #00BFF7 0.42%, #00AE80 100.3%);
}

#anc03 .grad_col{
  background: linear-gradient(104.36deg, #1545CE 0.42%, #00A4C1 100.3%);
}

.grad_col_title{
  font-size: 2rem;
}

.grad_col_list{
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1rem;
  margin-top: 2.4rem;
}

.grad_col_list_item{
  width: 100%;
  background-color: #fff;
  display: flex;
  align-items: center;
  padding: 1.95rem 0;
  border-radius: 0.5rem;
}

.grad_col_list_item_inner{
  display: flex;
  width: 100%;
}

.grad_col_list_num{
  width: calc((120 / 430) * 100 * 1%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.grad_col_list_text{
  width: calc((310 / 430) * 100 * 1%);
  padding: 0 1.6rem;
  font-size: 1.3rem;
  line-height: 1.6;
  color: #222222;
  border-left: 1px solid #DCE0E6
}

@media screen and (min-width: 768px) {
  .grad_col{
    padding: 4rem;
  }
  .grad_col_title{
    font-size: 3.4rem;
  }
  .grad_col_list_text{
    padding: 0 3.2rem;
    font-size: 2.6rem;
  }
}

@media screen and (min-width: 1025px) {
  .grad_col_title{
    font-size: 2rem;
  }
  .grad_col_list_item{
    width: calc((100% - 1rem) / 2);
    min-height: 15.5rem;
  }
  .grad_col_list_text{
    font-size: 1.8rem;
  }
}

.frame_col{
  border: 1px solid #FFFFFF33;
  border-radius: 1rem;
  padding: 3rem 2rem 2rem;
  margin-top: 4.8rem;
}

.frame_col_title{
  font-size: 1.5rem;
  line-height: 1.45;
  padding-left: 1.2rem;
  border-left: 3px solid;
  border-image: linear-gradient(180deg, #0042FF 0%, #00E0FF 46.63%, rgba(0, 224, 255, 0) 100%) 1;
}

.frame_col_inner{
  display: flex;
  flex-direction: column;
  margin-top: 2.2rem;
}

.frame_col_img img{
  width: 100%;
  height: auto;
}

.frame_col_text p{
  font-size: 1.3rem;
  line-height: 1.9;
  margin-top: 1rem;
}

@media screen and (min-width: 768px) {
  .frame_col{
    padding: 4rem;
  }
  .frame_col_title{
    font-size: 3.0rem;
  }
  .frame_col_inner{
    margin-top: 3.2rem;
  }
  .frame_col_text p{
    font-size: 2.4rem;
  }
}

@media screen and (min-width: 1025px) {
  .frame_col_inner{
    flex-direction: row;
    justify-content: space-between;
  }
  .frame_col_img{
    width: calc((410 / 870) * 100 * 1%);
  }
  .frame_col_text{
    width: calc((430 / 870) * 100 * 1%);
  }
  .frame_col_title{
    font-size: 1.8rem;
  }
  .frame_col_text p{
    font-size: 1.6rem;
  }
}

.theme_list{
  margin-top: 2.8rem;
}

.theme_list .theme_list_item:first-child{
  border-top: 1px solid #FFFFFF33;
}

.theme_list_item{
  border-bottom: 1px solid #FFFFFF33;
}

.theme_list_item .accordion{
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  position: relative;
  padding: 1.6rem 0;
}

.theme_list_item .accordion .num{
  font-size: 4.2rem;
  line-height: 1;
  font-weight: 100;
  font-family: Roboto;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-fill-color: transparent;
  width: 4.5rem;
}

#anc02 .theme_list_item .accordion .num{
  background-image: linear-gradient(104.36deg, #00BFF7 0.42%, #00AE80 100.3%);
}

#anc03 .theme_list_item .accordion .num{
  background-image: linear-gradient(104.36deg, #2353DA 0.42%, #00CAEE 80.61%);
}

.theme_list_item .accordion .text{
  font-size: 1.5rem;
  line-height: 1.45;
  width: calc(100% - 6.5rem);
  padding: 0 1rem;
}

.theme_list_item .accordion .icon{
  display: inline-block;
  position: relative;
  width: 2rem;
  height: 2rem;
}

.theme_list_item .accordion .icon::before,
.theme_list_item .accordion .icon::after{
  content: "";
  display: block;
  width: 100%;
  height: 1px;
  background-color: #fff;
  position: absolute;
  top: 50%;
  left: 0;
}
.theme_list_item .accordion .icon::before{
  transform: translateY(-50%);
}
.theme_list_item .accordion .icon::after{
  transform: translateY(-50%) rotate(90deg);
  transition: all 0.2s;
}

.theme_list_item.open .accordion .icon::after{
  transform: translateY(-50%) rotate(0);
}

.theme_list_item .accordion:hover{
  cursor: pointer;
}

.accordion-content .inner{
  padding-bottom: 5.6rem;
}

.accordion-content .inner h6,
.accordion-content .inner p{
  font-size: 1.3rem;
  line-height: 1.9;
}

.theme_list_item .accordion-content{
  overflow: hidden;
  transition: max-height 0.3s 0s linear, opacity 0.3s 0s;
  opacity: 0;
  max-height: 0;
}
.theme_list_item.open .accordion-content{
  transition: max-height 0.6s 0s ease-out, opacity 0.6s 0s;
  max-height: 1000rem;
  opacity: 1;
}
.theme_list_item .accordion-content .inner{
  transition: all 0.6s;
  transform: translateY(-100%);
}
.theme_list_item.open .accordion-content .inner{
  transform: translateY(0);
  transition: all 0.3s;
}

.theme_list_img{
  display: flex;
  flex-direction: column;
  gap: 2rem 0;
  max-width: 465px;
  margin: 2.4rem auto;
}

.theme_list_img .img .img_inner{
  width: 100%;
  height: 0;
  padding-top: 61.72%;
  position: relative;
}

.theme_list_img .img .img_inner figure{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.theme_list_img .img .img_inner figure img{
  object-fit: cover;
  width: 100%;
  height: 100%;
}

.theme_list_img figcaption{
  font-size: 1.2rem;
  line-height: 1.9;
  color: #BFC4CC;
  margin-top: 0.5rem;
}

.theme_list_btn{
  display: flex;
  justify-content: center;
  margin-top: 5.6rem;
  font-size: 1.6rem;
}

.theme_list_btn .c-btn{
  width: 21rem;
}

.theme_list_btn .c-btn .icon{
  margin-left: 0.2rem;
}

.theme_list_btn .c-btn:hover .icon path{
  transition: all 0.2s;
}

.theme_list_btn .c-btn:hover .icon path{
  fill: #00AE80;
}

@media screen and (min-width: 768px) {
  .theme_list{
    margin-top: 4.8rem;
  }
  .theme_list_item .accordion{
    padding: 3.2rem 0;
  }
  .theme_list_item .accordion .num{
    font-size: 8.0rem;
    width: 8.5rem;
  }
  .theme_list_item .accordion .text{
    font-size: 3.0rem;
    width: calc(100% - 18.5rem);
    padding: 0 2rem;
  }
  .theme_list_item .accordion .icon{
    width: 4rem;
    height: 4rem;
  }
  .accordion-content .inner h6,
  .accordion-content .inner p{
    font-size: 2.4rem;
  }
  .theme_list_img{
    flex-direction: row;
    gap: 0 2rem;
    max-width: none;
  }
  .theme_list_img .img{
    width: calc((100% - 4rem) / 3);
  }
  .theme_list_img figcaption{
    font-size: 2.0rem;
  }
  .theme_list_btn .c-btn{
    width: 34rem;
    font-size: 2.4rem;
  }
}

@media screen and (min-width: 1025px) {
  .theme_list_item .accordion .num{
    font-size: 5.9rem;
    width: 6.5rem;
  }
  .theme_list_item .accordion .text{
    font-size: 2rem;
    width: calc(100% - 10.5rem);
    padding: 0 2rem;
  }
  .accordion-content .inner h6,
  .accordion-content .inner p{
    font-size: 1.6rem;
  }
  .theme_list_img figcaption{
    font-size: 1.4rem;
  }
  .theme_list_btn .c-btn{
    width: 22rem;
    font-size: 1.6rem;
  }
}

.theme_link_box{
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
  gap: 3rem 0;
  justify-content: space-between;
}

.theme_link_box .c-btn{
  width: 100%;
  height: 5.4rem;
  font-size: 1.5rem;
}

@media screen and (min-width: 768px) {
  .theme_link_box{
    flex-direction: row;
    margin-top: 8rem;
  }
  .theme_link_box .c-btn{
    width: calc((100% - 4rem) / 2);
    height: 10.4rem;
    font-size: 2.8rem;
  }
}

@media screen and (min-width: 1025px) {
  .theme_link_box .c-btn{
    height: 7.4rem;
    font-size: 1.8rem;
  }

}

.side_menu{
  position: fixed;
  left: 0;
  bottom: 5rem;
  z-index: 5;
  background-color: #232B46CC;
  padding: 1rem;
  border-radius: 0 0.8rem 0.8rem 0;
}

.side_menu ul{
  display: flex;
  flex-direction: column;
  gap: 0.8rem 0;
}

.side_menu ul li{
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
}

.side_menu ul li a{
  display: inline-flex;
  align-items: center;
  gap: 0 1.2rem
}

.side_menu ul li a .icon{
  display: inline-block;
  width: 2.2rem;
  height: 2.2rem;
}

.side_menu ul li a .icon svg{
  display: block;
  width: 100%;
  height: auto;
}

@media (hover: hover) {
  .side_menu ul li a:hover .icon{
    animation: arrow-behavior 0.3s 0s ease 1;
  }
}

@keyframes arrow-behavior {
  0% {
    transform: translateY(0);
  }
  50%{
    transform: translateY(5px);
  }
  100%{
    transform: translateY(0);
  }
}

@media screen and (min-width: 768px) {
  .side_menu{
    bottom: 5rem;
    padding: 2rem;
  }
  .side_menu ul{
    gap: 1.2rem 0;
  }
  .side_menu ul li{
    font-size: 2.0rem;
  }
  .side_menu ul li a .icon{
    width: 3.6rem;
    height: 3.6rem;
  }
}

@media screen and (min-width: 1025px) {
  .side_menu ul li{
    font-size: 1.4rem;
  }
  .side_menu ul li a .icon{
    width: 2.6rem;
    height: 2.6rem;
  }
}