/* font */
@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400..800;1,400..800&family=IBM+Plex+Sans:ital,wght@0,100..700;1,100..700&family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Noto+Sans+JP:wght@100..900&family=Noto+Serif+JP:wght@200..900&family=Playfair+Display:ital,wght@0,400..900;1,400..900&family=Shippori+Mincho:wght@400;500;600;700;800&family=Tenor+Sans&display=swap');


html {
  scroll-behavior: smooth;
}

body {
  font-family: YakuHanJP,"Noto Sans JP","游ゴシック体",YuGothic,"游ゴシック","Yu Gothic","Hiragino Kaku Gothic ProN","ヒラギノ角ゴ ProN",sans-serif;
  color: #222222;
  font-size: 16px;
  font-weight: normal;
  letter-spacing: 0.05em;
  line-height: 1.8;
  font-feature-settings: "palt";
  background-color: #fff;
}

body.is-fixed {
  overflow: hidden;
}

/* ---------------------------------------------------------------------
共通 ｜
--------------------------------------------------------------------- */
h1 {
  font-family: YakuHanMP,"Shippori Mincho", serif;
  font-size: 40px;
  font-weight: 600;
}

h2 {
  font-size: 26px;
  font-weight: 600;
  position: relative;
  padding-left: 18px;
}
h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 75%;
  background-color: #2f6fb2;
}
.-en {
  font-family: "Inter", sans-serif;
  font-size: 16px;
  color: #b81c22;
  padding-left: 18px;
}
img {
  max-width: 100%;
}
time, a {
  transition: all ease-in-out 0.3s;
}
/*パンくずリスト*/
.breadcrumbs {
  font-size: 13px;
  font-weight: 500;
  padding: 6px 0;
}
.breadcrumbs ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: #888;
}
.breadcrumbs li:nth-child(-n+2) a {
  color: #222;
}
.breadcrumbs li:nth-child(-n+2) a:hover {
  color: #1e3a5f;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin: 0 6px;
  color: #888;
}

/*ページネーション*/
.pagination {
  margin-bottom: 80px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
}

.pagination a,
.pagination span {
  min-width: 44px;
  height: 44px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #dcdcdc;
  font-size: 14px;
  background: #fff;
  transition: .3s;
}
/* hover */
.pagination a:hover {
  background: #2f6fb2;
  color: #fff;
  border-color: #2f6fb2;
}
/* current */
.pagination .current {
  background: #2f6fb2;
  color: #fff;
  border-color: #2f6fb2;
}
/* 前へ・次へ */
.pagination .prev,
.pagination .next {
  padding: 0 18px;
}
/* 最初へ・最後へ */
.pagination .first,
.pagination .last {
  padding: 0 18px;
}


/*下層ページKV*/
.heading {
  position: relative;
  overflow: hidden;
  background: #fff;
  min-height: 280px;
  display: flex;
  align-items: center;
}
.heading::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 180px;

  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.15) 35%,
    rgba(255,255,255,0.45) 60%,
    rgba(255,255,255,0.75) 80%,
    rgba(255,255,255,1) 100%
  );

  pointer-events: none;
}
.heading_ttl .-en {
  font-size: 22px;
  color: #2f6fb2;
  line-height: 1.5;
  padding-left: 0;
}


@media screen and (max-width: 991.98px) and (max-width: 767.98px) {
  h1 {
  font-size: 30px;
}
  h2 {
  font-size: 20px;
}
  .-en {
  font-size: 14px;
  padding-left: 10px;
}
p {
  font-size: 14px;
}
/*パンくずリスト*/
.breadcrumbs {
  font-size: 11px;
}
.breadcrumbs ul {
  gap: 2px;
}
.breadcrumbs li + li::before {
  margin-right: 5px;
}
/*ページネーション*/
.pagination {
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 60px;
  }

.pagination a,
.pagination span {
  min-width: 38px;
  height: 38px;
  font-size: 13px;
  }
.heading {
  min-height: 200px;
}
.heading::after {
  height: 130px;
}
.heading_ttl .-en {
  font-size: 18px;
}
}



/* ---------------------------------------------------------------------
pc ｜
--------------------------------------------------------------------- */

@media screen and (min-width: 992px) {
.sp {
  display: none;
}
.wCont {
  width: min(90%, 1080px);
  margin-inline: auto;
}

/*header*/
header {
  width: 100%;
  position: fixed;
  z-index: 55;
  background-color: #fff;
  box-shadow: 0 2px 4px 0 rgba(000, 000, 000, 0.15);
}
.header_inner {
  width: min(96%, 1080px);
  height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header_logo img {
  height: 36px;
}
.nav {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 70px;
  margin: 0;
  padding: 0;
}
.nav li {
  font-weight: 600;
}
.nav_item {
  position: relative;
  display: block;
  padding: 30px 0;
  text-decoration: none;
  font-size: 14px;
}
.nav_item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 70%;
  width: 100%;
  height: 2px;
  background: #1e3a5f;
  transform: scale(0, 1);
  transition: transform 0.5s;
  transform-origin: center top;
}
.nav_item:hover::after {
  transform: scale(1, 1)
}
.nav_child {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 160px;
  background: #fff;
  list-style: none;
  margin: 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: 0.2s;
  z-index: 10;
}
.nav_child li {
  border-bottom: 1px solid #dadada;
}
.nav_child li:last-child {
  border-bottom: none;
}
.nav_child li a {
  display: block;
  padding: 10px 20px;
  text-decoration: none;
  font-size: 13px;
  color: #222;
  white-space: nowrap;
  background-color: #fff;
}
.nav_child li a:hover {
  color: #fff;
  background: #1e3a5f;
}
.nav_item--has-child > a {
  position: relative;
  padding-right: 16px;
}
.nav_item--has-child > a::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  width: 7px;
  height: 7px;
  border-right: 2px solid #1e3a5f;
  border-bottom: 2px solid #1e3a5f;
  transform: translateY(-50%) rotate(45deg);
  transition: transform 0.3s;
}
.nav_item--has-child:hover .nav_child {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.nav_item--has-child:hover > a::after {
  transform: translateY(-50%) rotate(-135deg);
}

.container {
  padding-top: 80px;
}

/*mv*/
.mv {
  width: 100%;
  height: 80vh;
  min-height: 500px;
  position: relative;
  overflow: hidden;
}

.mv::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(255,255,255,0.6) 0%,
    rgba(255,255,255,0.5) 30%,
    rgba(255,255,255,0.3) 55%,
    rgba(255,255,255,0.1) 75%,
    rgba(255,255,255,0) 100%
  );
  z-index: 1;
}

.mv_bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.mv_bg picture,
.mv_bg img {
  display: block;
  width: 100%;
  height: 100%;
}

.mv_bg img {
  object-fit: cover;
}

.mv_molecule {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.mv_molecule_item {
  position: absolute;
  opacity: 0;
  filter: blur(0.2px);
}

.mv_molecule_item img {
  display: block;
  width: 100%;
  height: auto;
}

.mv_inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 100%;
  text-align: left;
}

.mv_label {
  font-family: "Inter", sans-serif;
  color: #2f6fb2;
}

.mv_title {
  font-family: YakuHanMP,"Shippori Mincho", serif;
  font-size: 55px;
  font-weight: 600;
  line-height: 1.5;
  margin-top: 20px;
  text-shadow: 0 2px 6px rgba(255,255,255,0.4);
}

.mv_title_large {
  font-size: 74px;
}

.mv_title_accent {
  color: #0e4d8f;
}

.mv_description {
  font-family: YakuHanMP,"Shippori Mincho", serif;
  font-size: 22px;
  font-weight: 600;
  margin-top: 5px;
}

.mv_button {
  font-size: 16px;
  color: #fff;
  background: #2f6fb2;
  text-align: center;
  display: inline-block;
  width: 280px;
  padding: 20px 0;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 50px;
  transition: .3s;
}

.mv_button:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.15);
}

/*seminar セミナー情報*/
.seminar {
  margin-top: 120px;
}
.seminar_wrap {
  margin-top: 40px;
}
.seminar_item:first-child {
  border-top: 1px solid #dadada;
}
.seminar_item {
  font-weight: 600;
  border-bottom: 1px solid #dadada;
  padding: 24px;
}
time {
  color: #888;

}
.seminar_link:hover,
.seminar_link:hover time {
  color: #1e3a5f;
}
.seminar_item_title {
  font-size: 18px;
}
.seminar_item_inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 100%;
}
.seminar_meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 200px;
  margin: 0 8px 0 0;
  gap: 4%;
}
.new_label {
  font-size: 14px;
  font-weight: 600;
  color: #b81c22;
  background: #fcdcde;
  border-radius: 5px;
  padding: 2px 0;
}
.tag {
  width: 60px;
  text-align: center;
}
.seminar_btn { 
  text-align: right;
}
.sec_button {
  color: #fff;
  background: #2f6fb2;
  text-align: center;
  display: inline-block;
  width: 260px;
  padding: 18px 0;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 50px;
}
.sec_button:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.15);
}

/*about 組織概要*/
.about {
  margin-top: 120px;
}
.about_wrap {
  display: flex;
  align-items: center;
  margin-top: 40px;
  gap: 5%;
}
.about_txt {
  width: 50%;
}

/*contact*/
.contact{
  background-image: url(img/contact_bg.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  text-align: center;
  padding: 100px 0;
  margin-top: 120px;
}
.contact_box {
  width: 625px;
  margin-inline: auto;
  padding: 32px 16px;
  background-color: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 16px;
}
.contact_title {
  font-size: 22px;
  font-weight: 600;
}
.contact_btn {
  color: #fff;
  background: linear-gradient(
    270deg,
    #f3545a 0%,
    #d9343a 25%,
    #b81c22 50%,
    #f3545a 100%
  );
  background-position: 0% 50%;
  background-size: 200% auto;

  text-align: center;
  display: inline-block;
  width: 260px;
  padding: 18px 0;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 10px;
}
.contact_btn:hover {
  background-position: 100% 50%;
}


/*footer*/
.footer {
  background-color: #1e3a5f;
}
footer > div {
  padding-block: 60px 80px;
}
.footer_inner {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: #fff;
}
.footer_txt {
  margin-top: 30px;
}
.footer_nav {
  display: flex;
  gap: clamp(40px, 6vw, 80px);
  position: relative;
  flex: none;
}
.footer_nav::after {
  content: "";
  position: absolute;
  top: 36px;
  left: 0;
  width: 100%;
  height: 1px;
  background: #fff;
}
.footer_nav-ttl {
  display: block;
  position: relative;
  font-size: 16px;
  color: #fff;
  text-decoration: none;
}
.footer_nav-ttl:hover {
  opacity: 0.7;
}
.footer_nav ul li {
  margin-top: 15px;
}
.footer_nav ul li:first-child {
  margin-top: 25px;
}
.footer_nav ul li a:hover {
  opacity: 0.7;
}
.footer_privacy {
  font-size: 12px;
  opacity: 0.8;
}
.footer_copy {
  text-align: center;
  padding-block: 20px;
  font-size: 12px;
  background-color: #fff;
}

/* ==============================================================================
  下層ページ 組織概要（aboutus）
============================================================================== */
.aboutus .heading {
  background-image: url(img/aboutus_heading_bg.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
#establishment,
#introduction {
  scroll-margin-top: 80px; 
  margin-top: 80px;
}
.establishment_txt {
  margin-top:20px;
}
.establishment_txt p {
  font-family: YakuHanMP,"Shippori Mincho", serif;
  font-weight: 600;
  font-size: 18px;
}
.member_wrap {
  margin-top: 20px;
  display: flex;
  gap: 5%;
}
.member_wrap:nth-of-type(2) {
  margin-top: 80px;
  flex-direction: row-reverse;
}
.member_txt {
  width: 50%;
}
.member_info {
  font-family: YakuHanMP,"Shippori Mincho", serif;
  font-weight: 600;
  font-size: 18px;
  margin-top: 60px;
}
.member_info .-sub {
  font-size: 16px;
}
.member_info .-small {
  font-size: 14px;
}
#bylaws {
  scroll-margin-top: 85px;
  margin: 80px 0;
}
#bylaws .sec_button {
  margin-top: 0;
}
.bylaws_flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.bylaws {
  font-family: YakuHanMP, "Shippori Mincho", serif;
  font-weight: 600;
  max-width: 1000px;
  padding: 60px 70px;
  margin: 60px auto 0;
  box-shadow: 0 3px 10px rgba(0,0,0,.05);
}
.bylaws h2 {
  font-size: 24px;
  text-align: center;
  padding-left: 0;
}
.bylaws h2::before {
  display: none;
}
.bylaws h3 {
  font-size: 18px;
  font-weight: 700;
}
.bylaws section {
  margin-top: 55px;
}
.bylaws_box {
  margin-top: 10px;
}
.bylaws_list {
  list-style: auto;
  margin-top: 20px;
  padding-left: 40px;
}
.bylaws_officer_list {
  margin-top: 20px;
  padding-left: 50px;
}
.bylaws_officer_list li {
  position: relative;
}
.bylaws_officer_list li:before {
  position: absolute;
  right: calc(100% + 0.5rem);
  content: "(" counter(list-item) ")";
}
.bylaws_office p + p {
  margin-top: 10px;
}
.bylaws_office_address {
  padding-left: 8px;
}
.bylaws_office a {
  text-decoration: underline;
}
.bylaws_office a:hover {
  text-decoration: none;
}


/* ==============================================================================
  記事一覧ページ共通 archive
============================================================================== */
.archive .heading {
  background-image: url(img/other_heading_bg.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.archive h2 {
  font-size: 18px;
  font-weight: normal;
  padding-left: 0;
  margin-top: 10px;
}
.archive h2::before {
  display: none;
}
.archive .category_box {
  margin-top: 60px;
}
.archive .category_box_list {
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  row-gap: 10px;
  column-gap: 5%;
}
.archive .category_box_list .-item {
  position: relative;
  padding-bottom: 10px;
  font-weight: 500;
}
.archive .category_box_list .-item a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: #2f6fb2;
  transform: scale(0, 1);
  transition: transform 0.4s;
  transform-origin: center top;
}
.archive .category_box_list .-item a:hover::after {
  transform: scale(1, 1)
}
.archive .category_box_list .-item.-current::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  height: 2px;
  background: #2f6fb2;
}
.archive .news_list {
  margin: 60px 0 80px;
}
.archive .news_list_item {
  border-bottom: 1px solid #dcdcdc;
  padding: 24px;
}
.archive .news_list_link:hover {
  color: #1e3a5f;
}
.archive .-date_wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.archive .-date_wrap .-time {
  color: #888;
}
.archive .-date_wrap .new_label {
  font-size: 14px;
  font-weight: 600;
  color: #b81c22;
  background: #fcdcde;
  border-radius: 5px;
  line-height: 1.0;
  padding: 6px 8px;
}
.archive .-date_wrap .seminar_label {
  font-size: 14px;
  color: #fff;
  line-height: 1.0;
  background-color: #2f6fb2;
  padding: 6px 8px;
  border-radius: 5px;
  margin-top: 0;
}
.archive .-date_wrap .news_label {
  font-size: 14px;
  color: #fff;
  line-height: 1.0;
  background-color: #1e3a5f;
  padding: 6px 8px;
  border-radius: 5px;
}
.archive .empty_text {
  text-align: center;
}


/* ==============================================================================
  記事ページ共通 single
============================================================================== */
.single .-post_date {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 60px;
}
.single .-post_date .-time {
  color: #888;
}
.single .-post_date .new_label {
  font-size: 14px;
  font-weight: 600;
  color: #b81c22;
  background: #fcdcde;
  border-radius: 5px;
  line-height: 1.0;
  padding: 6px 8px;
}
.single .-post_date .seminar_label {
  font-size: 14px;
  color: #fff;
  line-height: 1.0;
  background-color: #2f6fb2;
  padding: 6px 8px;
  border-radius: 5px;
  margin-top: 0;
}
.single .-post_date .news_label {
  font-size: 14px;
  color: #fff;
  line-height: 1.0;
  background-color: #1e3a5f;
  padding: 6px 8px;
  border-radius: 5px;
  margin-top: 0;
}
.single .-post_title {
  margin-top: 10px;
}
.single h2 {
  font-weight: normal;
}
.single .page_cont {
  margin: 40px 0 50px;
  padding: 30px;
  border-top: 1px solid #dadada;
  border-bottom: 1px solid #dadada;
}
.single .-post-content ul li {
  position: relative;
  padding-left: 20px;
  font-size: 18px;
  margin-top: 30px;
}
.single .-post-content ul li:first-child {
  margin-top: 0;
}
.single .-post-content ul li p {
  font-size: 16px;
}
.single .-post-content ul li::before {
  content: "■";
  position: absolute;
  left: 0;
  top: 6px;
  color: #2f6fb2;
  font-size: 12px;
}
.single .-post-content a {
  font-size: 16px;
  color: #2f6fb2;
}
.single .-post-content a:hover {
  opacity: 0.7;
}
.single .-post-content ul li .seminar_detail p {
  margin-top: 16px;
  font-size: 16px;
}
.single .-post-content ul li .seminar_detail p:first-child {
  margin-top: 8px;
}
.single .seminar_map {
  margin-top: 20px;
}
.single .seminar_map iframe {
  width: 80%;
  height: 350px;
  display: block;
}
.single .reserve_btn_wrap {
  text-align: center;
  margin-bottom: 60px;
}
.single .sec_button {
  margin-top: 0;
}


/* ==============================================================================
  プライバシーポリシー privacy policy
============================================================================== */
.privacy .heading {
  background-image: url(img/other_heading_bg.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.privacy h2 {
  font-size: 22px;
  font-weight: 500;
  padding-left: 0;
  margin-top: 0;
  border-bottom: 1px solid #dcdcdc;
}
.privacy h2::before {
  display: none;
}
.privacy section {
  margin-top: 60px;
}
.privacy section:last-child {
  margin-bottom: 90px;
}
.privacy .privacy_box {
  margin-top: 20px;
}
.privacy .privacy_box p {
  font-size: 15px;
  margin-top: 10px;
}
.privacy .privacy_box li {
  font-size: 15px;
  position: relative;
  padding-left: 15px;
  margin-top: 4px;
}
.privacy .privacy_box li:before {
  content: "・";
  position: absolute;
  left: 0;
  top: 0;
}
.privacy .privacy_box li:first-child {
  margin-top: 10px;
}
.privacy p a {
  color: #1e3a5f;
  text-decoration: underline;
}
.privacy p a:hover{
  text-decoration: none;
}


}

/* ---------------------------------------------------------------------
mobile ｜
--------------------------------------------------------------------- */
@media screen and (max-width: 991.98px) {
.pc {
  display: none;
}
.wCont {
  width: min(90%, 900px);
  margin-inline: auto;
}
/*header*/
header {
  width: 100%;
  position: fixed;
  z-index: 55;
  background-color: #fff;
  box-shadow: 0 2px 4px 0 rgba(000, 000, 000, 0.15);
}
.header_inner {
  height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 2%;
}
.header_menu {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 70px;
  height: 100%;
  border: none;
  background: #1e3a5f;
  cursor: pointer;
}
.header_menu span {
  display: block;
  width: 28px;
  height: 2px;
  margin-inline: auto;
  background: #fff;
  transition: 0.3s;
}

/* メニュー本体 */
.header_nav {
  position: fixed;
  top: 70px;
  right: 0;
  width: 100%;
  height: 100dvh;
  background: #fff;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all ease-in-out 0.3s;
}
.header_nav.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.nav {
  width: min(90%, 900px);
  margin-inline: auto;
  padding-top: 30px;
}
.nav_item {
  font-size: 22px;
  font-weight: 500;
  color: #1e3a5f;
  border-bottom: 1px solid #dadada;
  padding-bottom: 20px;
  margin-bottom: 20px;
}
.nav_item:nth-child(3) {
  display: none;
}
.nav_child li {
  font-size: 16px;
  color: #222;
  position: relative;
  margin-top: 5px;
}
.nav_child li:after {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  width: 7px;
  height: 7px;
  border-right: 2px solid #1e3a5f;
  border-bottom: 2px solid #1e3a5f;
  transform: translateY(-50%) rotate(-45deg);
}
.nav_privacy .nav_child {
  font-weight: 500;
} 
.nav_btn {
  width: min(90%, 900px);
  margin-inline: auto;
  padding-top: 30px;
  display: flex;
  flex-direction: column;
}
.nav_seminar_btn {
  font-size: 18px;
  color: #fff;
  background: #2f6fb2;
  text-align: center;
  display: inline-block;
  width: 100%;
  padding: 24px 80px;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 40px;
}
.nav_contact_btn {
  color: #fff;
  font-size: 18px;
  background: linear-gradient(
    270deg,
    #f3545a 0%,
    #d9343a 25%,
    #b81c22 50%,
    #f3545a 100%
  );
  background-position: 0% 50%;
  background-size: 200% auto;
  text-align: center;
  display: inline-block;
  width: 100%;
  padding: 24px 80px;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 30px;
}

/* ハンバーガー*/
.header_menu.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.header_menu.is-open span:nth-child(2) {
  opacity: 0;
}
.header_menu.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.container {
  padding-top:70px;
}


/*mv*/
.mv {
  width: 100%;
  height: 80vh;
  min-height: 500px;
  position: relative;
  overflow: hidden;
}
.mv::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    rgba(255,255,255,0.6) 0%,
    rgba(255,255,255,0.5) 30%,
    rgba(255,255,255,0.3) 55%,
    rgba(255,255,255,0.1) 75%,
    rgba(255,255,255,0) 100%
  );
  z-index: 1;
}
.mv_bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.mv_bg picture,
.mv_bg img {
  display: block;
  width: 100%;
  height: 100%;
}
.mv_bg img {
  object-fit: cover;
}
.mv_molecule {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
.mv_molecule_item {
  position: absolute;
  opacity: 0;
  filter: blur(0.2px);
}
.mv_molecule_item img {
  display: block;
  width: 100%;
  height: auto;
}
.mv_inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 100%;
  text-align: left;
}
.mv_label {
  font-family: "Inter", sans-serif;
  color: #2f6fb2;
}
.mv_title {
  font-family: YakuHanMP,"Shippori Mincho", serif;
  font-size: 55px;
  font-weight: 600;
  line-height: 1.5;
  margin-top: 20px;
  text-shadow: 0 2px 6px rgba(255,255,255,0.4);
}
.mv_title_large {
  font-size: 74px;
}
.mv_title_accent {
  color: #0e4d8f;
}
.mv_description {
  font-family: YakuHanMP,"Shippori Mincho", serif;
  font-size: 22px;
  font-weight: 600;
  margin-top: 5px;
}
.mv_button {
  font-size: 18px;
  color: #fff;
  background: #2f6fb2;
  text-align: center;
  display: inline-block;
  width: 280px;
  padding: 18px 0;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 50px;
  transition: .3s;
}
/* .mv_button:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.15);
} */

/*seminar セミナー情報*/
.seminar {
  margin-top: 80px;
}
.seminar_wrap {
  margin-top: 40px;
}
.seminar_item:first-child {
  border-top: 1px solid #dadada;
}
.seminar_item {
  font-weight: 600;
  border-bottom: 1px solid #dadada;
  padding: 24px;
}
time {
  color: #888;
}
.seminar_link:hover,
.seminar_link:hover time {
  color: #1e3a5f;
}
.seminar_item_title {
  font-size: 18px;
}
.seminar_item_inner {
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 100%;
}
.seminar_meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 4%;
  width: 200px;
  margin: 0 8px 0 0;
}
.new_label {
  font-size: 14px;
  font-weight: 600;
  color: #b81c22;
  background: #fcdcde;
  border-radius: 5px;
  padding: 2px 0;
}
.tag {
  width: 60px;
  text-align: center;
}
.seminar_btn { 
  text-align: right;
}
.sec_button {
  color: #fff;
  background: #2f6fb2;
  text-align: center;
  display: inline-block;
  width: 260px;
  padding: 18px 0;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 50px;
}
/* .sec_button:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.15);
} */

/*about 組織概要*/
.about {
  margin-top: 80px;
}
.about_wrap {
  display: flex;
  align-items: center;
  margin-top: 40px;
  gap: 5%;
}
.about_txt {
  width: 50%;
}

/*contact*/
.contact{
  background-image: url(img/contact_bg.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  text-align: center;
  padding: 100px 0;
  margin-top: 80px;
}
.contact_box {
  width: 625px;
  margin-inline: auto;
  padding: 32px 16px;
  background-color: rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 16px;
}
.contact_title {
  font-size: 22px;
  font-weight: 600;
}
.contact_btn {
  color: #fff;
  background: linear-gradient(
    270deg,
    #f3545a 0%,
    #d9343a 25%,
    #b81c22 50%,
    #f3545a 100%
  );
  background-position: 0% 50%;
  background-size: 200% auto;
  text-align: center;
  display: inline-block;
  width: 260px;
  padding: 18px 0;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 10px;
}
.contact_btn:hover {
  background-position: 100% 50%;
}


/*footer*/
.footer {
  background-color: #1e3a5f;
}
footer > div {
  padding-block: 60px 80px;
}
.footer_inner {
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  font-size: 14px;
  color: #fff;
}
.footer_logo img {
  height: 32px;
}
.footer_txt {
  margin-top: 20px;
}
.footer_nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  margin-top: 40px;
}
.footer_nav::after {
  content: none;
}
.footer_nav-ttl {
  display: block;
  position: relative;
  font-size: 16px;
  color: #fff;
  text-decoration: none;
  border-bottom: 1px solid #fff;
  padding-bottom: 5px;
}
.footer_nav-ttl:hover {
  opacity: 0.7;
}
.footer_nav ul li {
  margin-top: 10px;
}
.footer_nav ul li:first-child {
  margin-top: 10px;
}
.footer_nav ul li a:hover {
  opacity: 0.7;
}
.footer_privacy {
  font-size: 12px;
  opacity: 0.8;
  margin-top: 20px;
}
.footer_copy {
  text-align: center;
  padding-block: 20px;
  font-size: 12px;
  background-color: #fff;
}

/* ==============================================================================
  下層ページ　組織概要（aboutus）
============================================================================== */
.aboutus .heading {
  background-image: url(img/aboutus_heading_bg_sp.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
#establishment,
#introduction {
  scroll-margin-top: 70px; 
  margin-top: 50px;
}
.establishment_txt {
  margin-top: 20px;
}
.establishment_txt p {
  font-family: YakuHanMP,"Shippori Mincho", serif;
  font-weight: 600;
  font-size: 18px;
}
.member_wrap {
  margin-top: 20px;
  display: flex;
  gap: 5%;
}
.member_wrap:nth-of-type(2) {
  margin-top: 80px;
  flex-direction: row-reverse;
}
.member_txt {
  width: 50%;
}
.member_info {
  font-family: YakuHanMP,"Shippori Mincho", serif;
  font-weight: 600;
  font-size: 18px;
  margin-top: 30px;
}
.member_info .-sub {
  font-size: 16px;
}
.member_info .-small {
  font-size: 14px;
}
#bylaws {
  scroll-margin-top: 75px;
  margin: 60px 0;
}
#bylaws .sec_button {
  margin-top: 0;
}
.bylaws_flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.bylaws {
  font-family: YakuHanMP, "Shippori Mincho", serif;
  font-weight: 600;
  max-width: 1000px;
  padding: 60px 50px;
  margin: 60px auto 0;
  box-shadow: 0 3px 10px rgba(0,0,0,.05);
}
.bylaws h2 {
  font-size: 24px;
  text-align: center;
  padding-left: 0;
}
.bylaws h2::before {
  display: none;
}
.bylaws h3 {
  font-size: 18px;
  font-weight: 700;
}
.bylaws section {
  margin-top: 55px;
}
.bylaws_box {
  margin-top: 10px;
}
.bylaws_list {
  list-style: auto;
  margin-top: 20px;
  padding-left: 40px;
}
.bylaws_officer_list {
  margin-top: 20px;
  padding-left: 50px;
}
.bylaws_officer_list li {
  position: relative;
}
.bylaws_officer_list li:before {
  position: absolute;
  right: calc(100% + 0.5rem);
  content: "(" counter(list-item) ")";
}
.bylaws_office p + p {
  margin-top: 10px;
}
.bylaws_office_address {
  padding-left: 8px;
}
.bylaws_office a {
  text-decoration: underline;
}
.bylaws_office a:hover {
  text-decoration: none;
}



/* ==============================================================================
  記事一覧ページ共通 archive
============================================================================== */
.archive .heading {
  background-image: url(img/other_heading_bg_sp.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.archive h2 {
  font-size: 18px;
  font-weight: normal;
  padding-left: 0;
  margin-top: 10px;
}
.archive h2::before {
  display: none;
}
.archive .category_box {
  margin-top: 60px;
}
.archive .category_box_list {
  font-size: 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  row-gap: 10px;
  column-gap: 5%;
}
.archive .category_box_list .-item {
  position: relative;
  padding-bottom: 10px;
  font-weight: 500;
}
.archive .category_box_list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2px;
  background: #2f6fb2;
  transform: scale(0, 1);
  transition: transform 0.4s;
  transform-origin: center top;
}
.archive .category_box_list a:hover::after {
  transform: scale(1, 1)
}
.archive .category_box_list .-item.-current::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100%;
  height: 2px;
  background: #2f6fb2;
}
.archive .news_list {
  margin: 60px 0;
}
.archive .news_list_item {
  border-bottom: 1px solid #dcdcdc;
  padding: 24px;
}
.archive .news_list_link:hover {
  color: #1e3a5f;
}
.archive .-date_wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}
.archive .-date_wrap .-time {
  color: #888;
}
.archive .-date_wrap .new_label {
  font-size: 14px;
  font-weight: 600;
  color: #b81c22;
  background: #fcdcde;
  border-radius: 5px;
  line-height: 1.0;
  padding: 6px 8px;
}
.archive .-date_wrap .seminar_label {
  font-size: 14px;
  color: #fff;
  line-height: 1.0;
  background-color: #2f6fb2;
  padding: 6px 8px;
  border-radius: 5px;
  margin-top: 0;
}
.archive .-date_wrap .news_label {
  font-size: 14px;
  color: #fff;
  line-height: 1.0;
  background-color: #1e3a5f;
  padding: 6px 8px;
  border-radius: 5px;
}
.archive .empty_text {
  text-align: center;
}


/* ==============================================================================
  記事ページ共通 single
============================================================================== */
.single .-post_date {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 60px;
}
.single .-post_date .-time {
  color: #888;
}
.single .-post_date .new_label {
  font-size: 14px;
  font-weight: 600;
  color: #b81c22;
  background: #fcdcde;
  border-radius: 5px;
  line-height: 1.0;
  padding: 6px 8px;
}
.single .-post_date .seminar_label {
  font-size: 14px;
  color: #fff;
  line-height: 1.0;
  background-color: #2f6fb2;
  padding: 6px 8px;
  border-radius: 5px;
  margin-top: 0;
}
.single .-post_date .news_label {
  font-size: 14px;
  color: #fff;
  line-height: 1.0;
  background-color: #1e3a5f;
  padding: 6px 8px;
  border-radius: 5px;
  margin-top: 0;
}
.single .-post_title {
  margin-top: 10px;
}
.single h2 {
  font-weight: normal;
}
.single .page_cont {
  margin: 40px 0;
  padding: 30px;
  border-top: 1px solid #dadada;
  border-bottom: 1px solid #dadada;
}
.single .-post-content ul li {
  position: relative;
  padding-left: 20px;
  font-size: 18px;
  margin-top: 30px;
}
.single .-post-content ul li:first-child {
  margin-top: 0;
}
.single .-post-content ul li p {
  font-size: 16px;
}
.single .-post-content ul li::before {
  content: "■";
  position: absolute;
  left: 0;
  top: 6px;
  color: #2f6fb2;
  font-size: 12px;
}
.single .-post-content a {
  font-size: 16px;
  color: #2f6fb2;
}
.single .-post-content a:hover {
  opacity: 0.7;
}
.single .-post-content ul li .seminar_detail p {
  margin-top: 16px;
  font-size: 16px;
}
.single .-post-content ul li .seminar_detail p:first-child {
  margin-top: 8px;
}
.single .seminar_map {
  margin-top: 20px;
}
.single .seminar_map iframe {
  width: 80%;
  height: 350px;
  display: block;
}
.single .reserve_btn_wrap {
  text-align: center;
  margin-bottom: 60px;
}
.single .sec_button {
  margin-top: 0;
}


/* ==============================================================================
  プライバシーポリシー privacy policy
============================================================================== */
.privacy .heading {
  background-image: url(img/other_heading_bg_sp.jpg);
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}
.privacy h2 {
  font-size: 22px;
  font-weight: 500;
  padding-left: 0;
  margin-top: 0;
  border-bottom: 1px solid #dcdcdc;
}
.privacy h2::before {
  display: none;
}
.privacy section {
  margin-top: 60px;
}
.privacy section:last-child {
  margin-bottom: 90px;
}
.privacy .privacy_box {
  margin-top: 20px;
}
.privacy .privacy_box p {
  font-size: 15px;
  margin-top: 10px;
}
.privacy .privacy_box li {
  font-size: 15px;
  position: relative;
  padding-left: 15px;
  margin-top: 4px;
}
.privacy .privacy_box li:before {
  content: "・";
  position: absolute;
  left: 0;
  top: 0;
}
.privacy .privacy_box li:first-child {
  margin-top: 10px;
}
.privacy p a {
  color: #1e3a5f;
  text-decoration: underline;
}
.privacy p a:hover{
  text-decoration: none;
}


}


/* ---------------------------------------------------------------------
mobile ｜
--------------------------------------------------------------------- */
@media screen and (max-width: 991.98px) and (max-width: 767.98px) {

/*header*/
header {
  width: 100%;
  position: fixed;
  z-index: 55;
  background-color: #fff;
  box-shadow: 0 2px 4px 0 rgba(000, 000, 000, 0.15);
}
.header_inner {
  height: 56px;
  padding-left: 3%;
}
.header_logo img {
  height: 26px;
}

.header_menu {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 70px;
  height: 100%;
  border: none;
  background: #1e3a5f;
  cursor: pointer;
}
.header_menu span {
  display: block;
  width: 28px;
  height: 2px;
  margin-inline: auto;
  background: #fff;
  transition: 0.3s;
}
/* メニュー本体*/
.header_nav {
  top:56px;
}
.nav_seminar_btn {
  padding: 18px 80px;
  margin-top: 0;
}
.nav_contact_btn {
  padding: 18px 80px;
}

.container {
  padding-top:56px;
} 

/*mv*/
.mv_label {
  font-size: 14px;
}
.mv_title {
  font-size: 28px;
  line-height: 1.4;
  margin-top: 10px;
}
.mv_title_large {
  font-size: 38px;
}
.mv_description {
  font-size: 18px;
}
.mv_button {
  font-size: 14px;
  color: #fff;
  background: #2f6fb2;
  text-align: center;
  display: inline-block;
  width: 240px;
  padding: 16px 0;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 20px;
}

/*seminar セミナー情報*/
.seminar_item_title {
  font-size: 16px;
  margin-top: 5px;
}
.seminar_item_inner {
  align-items: flex-start;
  flex-direction: column;
}
.seminar_meta {
  justify-content: flex-start;
  gap: 4%;
}
.seminar_btn { 
  text-align: center;
}
.sec_button {
  font-size: 14px;
  color: #fff;
  background: #2f6fb2;
  text-align: center;
  display: inline-block;
  width: 220px;
  padding: 16px 0;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 40px;
}

/*about 組織概要*/
.about {
  margin-top: 80px;
}
.about_wrap {
  flex-direction: column-reverse;
}
.about_txt {
  width: 100%;
  margin-top: 20px;
}
.about_btn {
  text-align: center;
}
.about_img {
  margin: 0 auto;
}

/*contact*/
.contact_box {
  width: 100%;
}
.contact_title {
  font-size: 18px;
}
.contact_text {
  font-size: 14px;
}
.contact_btn {
  font-size: 14px;
  color: #fff;
  background: linear-gradient(180deg,#f3545a 0%,#b81c22 100%);
  text-align: center;
  display: inline-block;
  width: 220px;
  padding: 16px 0;
  border-radius: 999px;
  text-decoration: none;
  margin-top: 10px;
}

/*footer*/
.footer_inner {
  flex-direction: column;
}
.footer_logo img {
  height: 30px;
}
.footer_txt {
  margin-top: 20px;
}
.footer_nav {
  flex-direction: column;
  gap: 24px;
  margin-top: 40px;
}
.footer_nav::after {
  content: none;
}
.footer_nav-ttl {
  border-bottom: 1px solid #fff;
  padding-bottom: 5px;
}
.footer_nav ul li {
  margin-top: 10px;
}
.footer_nav ul li:first-child {
  margin-top: 10px;
}
.footer_copy {
  text-align: center;
  padding-block: 20px;
  font-size: 12px;
  background-color: #fff;
}

/* ==============================================================================
  下層ページ 組織概要（aboutus）
============================================================================== */
#establishment,
#introduction {
  scroll-margin-top: 56px; 
}
.establishment_txt p {
  font-size: 16px;
}
.member_wrap {
  flex-direction: column-reverse;
}
.member_wrap:nth-of-type(2) {
  margin-top: 70px;
  flex-direction: column-reverse;
}
.member_txt {
  width: 100%;
  margin-top: 20px;
}
.bylaws {
  padding: 40px 20px;
  margin: 30px auto;
}
.bylaws section {
  margin-top: 40px;
}
.bylaws h2 {
  font-size: 18px;
}
.bylaws h3 {
  font-size: 16px;
}
.bylaws_list,
.bylaws_officer_list {
  font-size: 14px;
}
.bylaws_office_address {
  padding-left: 0;
}


/* ==============================================================================
  記事一覧ページ共通 archive
============================================================================== */
.archive h2 {
  font-size: 16px;
}
.archive .category_box {
  margin-top: 40px;
}
.archive .category_box_list {
  column-gap: 10%;
}
.archive .news_list_item {
  padding: 20px 10px;
}


/* ==============================================================================
  記事ページ共通 single
============================================================================== */
.single .-post_date {
  margin-top: 40px;
}
.single .page_cont {
  margin: 20px 0 40px;
  padding: 30px 10px;
}
.single .-post-content ul li {
  font-size: 16px;
  padding-left: 17px;
}
.single .-post-content ul li p {
  font-size: 14px;
}
.single .-post-content ul li::before {
  font-size: 10px;
}
.single .-post-content a {
  font-size: 14px;
}
.single .-post-content ul li .seminar_detail p {
  margin-top: 10px;
  font-size: 14px;
}
.single .seminar_map iframe {
  width: 100%;
  height: auto;
}
.single .reserve_btn_wrap {
  margin-bottom: 40px;
}

/* ==============================================================================
  プライバシーポリシー privacy policy
============================================================================== */
.privacy h2 {
  font-size: 20px;
}
.privacy section {
  margin-top: 50px;
}
.privacy section:last-child {
  margin-bottom: 70px;
}
.privacy .privacy_box p {
  font-size: 14px;
}
.privacy .privacy_box li {
  font-size: 14px;
}


}