@charset "UTF-8";
html, body, h1, h2, h3, h4, ul, ol, dl, li, dt, dd, p, div, span, img, a, table, tr, th, td {
  vertical-align: baseline;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Yu Gothic", YuGothic, "ヒラギノ角ゴ ProN W3", Hiragino Kaku Gothic ProN, Arial, "メイリオ", Meiryo, sans-serif;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 400;
  color: #003d69;
}

html * {
  box-sizing: border-box;
}

body {
  position: relative;
}

main {
  display: block;
}

img {
  max-width: 100%;
  height: auto;
  max-height: 100%;
}

.oswald {
  font-family: "Oswald", sans-serif;
  font-weight: 500;
}

.accBlue {
  color: #3a73f3;
}

.accYellow {
  color: #ffba00;
}

.accGreen {
  color: #56cc00;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 50px;
  width: calc(100% - 100px);
  height: 70px;
  background-color: #fff;
  padding: 0 20px;
  z-index: 100;
}
header h1 {
  height: 100%;
}

.globalMenuSp ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.globalMenuSp li:not(:last-child) {
  margin-right: 35px;
}
.globalMenuSp a {
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.5;
}
.globalMenuSp a.login {
  display: inline-block;
  color: #fff;
  background-color: #00b5c5;
  padding: 10px 25px;
  border-radius: 50px;
}
.globalMenuSp a.login img {
  vertical-align: text-top;
  margin-right: 5px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  background-color: #003d69;
  padding: 20px 20px 20px 50px;
}
footer .footerAbout {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: calc(100% - 630px);
}
footer h1 {
  margin-bottom: 15px;
}
footer p, footer .tel, footer span {
  color: #fff;
}
footer p {
  font-size: 1.3rem;
}
footer p:not(:last-child) {
  margin-bottom: 15px;
}
footer .tel {
  font-size: 3rem;
  letter-spacing: 0.1rem;
}
footer .tel img {
  margin-right: 5px;
}
footer .tel span {
  font-size: 1.3rem;
  margin-left: 5px;
}
footer .footerNav ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 20px;
}
footer .footerNav li {
  position: relative;
}
footer .footerNav li:before {
  position: absolute;
  content: "";
  width: 1px;
  height: 15px;
  top: 50%;
  left: 0;
  background-color: #fff;
  transform: translateY(-50%);
}
footer .footerNav a {
  color: #fff;
  font-size: 1.3rem;
  line-height: 1.2;
  text-decoration: none;
  padding: 0 20px;
}
footer .footerNav a.login {
  display: inline-block;
  background-color: #00b5c5;
  padding: 10px 20px;
  border-radius: 50px;
  margin-left: 20px;
}
footer .footerNav a img {
  vertical-align: text-top;
  margin-right: 5px;
}
footer .footerNav p {
  color: #a2bacb;
  text-align: right;
}
footer .map {
  width: 600px;
}
footer iframe {
  width: 100%;
  height: 100%;
  min-height: 280px;
}

.mvWrap {
  position: relative;
  background-color: #003d69;
  z-index: 0;
  /* ページャー */
}
.mvWrap .catchWrap {
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  padding: 70px 70px 35px 70px;
  z-index: 1;
}
.mvWrap .catchWrap img {
  filter: drop-shadow(0 0 8px rgba(0, 81, 138, 0.5));
}
.mvWrap .mv50th {
  position: absolute;
  bottom: 30px;
  right: 30px;
  z-index: 1;
}
.mvWrap .mv50th a {
  display: inline-block;
}
.mvWrap .slider {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}
.mvWrap .slides {
  position: relative;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}
.mvWrap .slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}
.mvWrap .slide.active {
  opacity: 1;
}
.mvWrap .pager {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}
.mvWrap .pager button {
  width: 40px;
  height: 5px;
  border: none;
  background: #fff;
  cursor: pointer;
}
.mvWrap .pager button.active {
  background: #00b5c5;
}

.topInst {
  background-color: #e9f2f3;
  padding: 100px 0;
}
.topInst h3 {
  font-size: 3rem;
  line-height: 1.2;
  text-align: center;
}
.topInst span.subEN {
  display: block;
  font-size: 1.6rem;
  text-align: center;
  margin-bottom: 10px;
}

.pageTtl {
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 350px;
  background-image: url(../image/page_ttl.jpg);
  background-position: center;
  background-size: cover;
  padding-top: 60px;
}
.pageTtl h2 {
  color: #fff;
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 15px;
}
.pageTtl span {
  color: #fff;
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: 0.1rem;
}
.pageTtl .subTtl {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 20px;
}

.pankuzuWrap {
  background-color: #e9f2f3;
  padding: 15px;
}
.pankuzuWrap .breadcrumbs {
  text-align: center;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
}
.pankuzuWrap .breadcrumbs > span {
  position: relative;
  display: inline-block;
}
.pankuzuWrap .breadcrumbs > span:not(:last-child) {
  padding-right: 30px;
}
.pankuzuWrap .breadcrumbs > span:not(:last-child):after {
  position: absolute;
  content: "";
  top: 50%;
  right: 15px;
  width: 5px;
  height: 5px;
  border-top: 1px solid #003d69;
  border-right: 1px solid #003d69;
  transform: rotate(45deg) translateY(-50%);
}
.pankuzuWrap span {
  font-size: 1.2rem;
}
.pankuzuWrap a {
  text-decoration: none;
}

.inner {
  width: 1000px;
  margin: 0 auto;
}

.secNormal {
  margin: 100px 0;
}

h3 {
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 35px;
}
h3 span {
  font-size: inherit;
  font-weight: inherit;
}

span.subEN {
  font-size: 2.3rem;
  letter-spacing: 0.1rem;
}
span.subIcon {
  position: relative;
  display: block;
  padding-left: 25px;
  margin-bottom: 15px;
}
span.subIcon:before {
  position: absolute;
  content: "";
  top: -5px;
  left: 0;
  width: 17px;
  height: 29px;
  background: url(../image/icon_drop.svg) no-repeat center/contain;
}

h4 {
  font-size: 2.3rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 15px;
}

p {
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.1rem;
}
p:not(:last-child) {
  margin-bottom: 30px;
}
p a {
  color: #00b5c5;
}

main ul li, main ol li {
  font-size: 1.5rem;
  line-height: 1.7;
}
main ul li:not(:last-child), main ol li:not(:last-child) {
  margin-bottom: 10px;
}
main ul li {
  position: relative;
  padding-left: 20px;
  list-style: none;
}
main ul li:before {
  position: absolute;
  content: "";
  top: 0.85rem;
  left: 0;
  width: 9px;
  height: 9px;
  background-color: #00b5c5;
  border-radius: 50%;
}
main ul li::marker {
  content: none;
}
main ol {
  counter-reset: num;
  list-style: none;
  padding-left: 0;
}
main ol li {
  counter-increment: num;
  position: relative;
  padding-left: 2.75rem; /* 番号分の余白 */
}
main ol li:before {
  content: counter(num) " .";
  position: absolute;
  left: 0;
  top: 0;
}

table {
  width: 100%;
}
table:not(:last-child) {
  margin-bottom: 30px;
}
table.def {
  border-top: 1px solid #003d69;
}
table.def tr {
  border-bottom: 1px solid #003d69;
}
table.def th, table.def td {
  font-size: 1.5rem;
  padding: 30px;
}
table.def th {
  font-weight: 700;
  text-align: left;
  width: 200px;
}
table.def td {
  width: calc(100% - 200px);
}
table.def td img {
  border: 1px solid #ccc;
  margin-top: 10px;
}
table.schedule th {
  width: 100px;
}
table.schedule td {
  width: calc(100% - 100px);
}

.btnArea {
  display: flex;
  flex-wrap: wrap;
}
.btnArea:not(:last-child) {
  margin-bottom: 20px;
}
.btnArea a {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.5rem;
  text-align: center;
  text-decoration: none;
  min-width: 230px;
  max-width: fit-content;
  min-height: 54px;
  border-radius: 50px;
  padding: 13px 20px;
}
.btnArea span {
  position: relative;
  display: inline-block;
  top: 0;
  left: 0;
  margin-right: 10px;
}
.btnArea span:before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
}
.btnArea span.iconPipe {
  width: 30px;
  height: 26px;
}
.btnArea span.iconPipe:before {
  background-image: url(../image/icon_suidou.svg);
}
.btnArea span.iconMember {
  width: 16px;
  height: 24px;
}
.btnArea span.iconMember:before {
  background-image: url(../image/icon_member.svg);
}
.btnArea span.iconAbout {
  width: 20px;
  height: 19px;
}
.btnArea span.iconAbout:before {
  background-image: url(../image/icon_building.svg);
}
.btnArea span.iconLink {
  width: 16px;
  height: 15px;
  margin-left: 10px;
}
.btnArea span.iconLink:before {
  background-image: url(../image/icon_link.svg);
}
.btnArea span.iconSearch {
  width: 22px;
  height: 22px;
}
.btnArea span.iconSearch:before {
  background-image: url(../image/icon_search.svg);
}
.btnArea.btnDef a {
  width: calc((100% - 20px) / 4);
  background-color: #00b5c5;
}
.btnArea.btnDef a:not(:last-child) {
  margin-right: 20px;
}
.btnArea.center {
  justify-content: center;
}
.btnArea.right {
  justify-content: flex-end;
}

@media screen and (min-width: 1071px) {
  a {
    transition: opacity 0.3s;
  }
  a:hover {
    opacity: 0.6;
  }
}
.phWrap {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.phWrap .ph, .phWrap .map {
  width: 50%;
  font-size: 0;
}
.phWrap .map iframe {
  width: 100%;
  height: 100%;
}

section + .pageAnchor {
  margin-top: 55px;
}

.pageAnchor {
  margin-top: 100px;
}
.pageAnchor h4 {
  text-align: center;
}
.pageAnchor p {
  text-align: center;
}

.topPipe {
  padding-bottom: 0;
}
.topPipe .inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topPipe .txt {
  width: 470px;
}
.topPipe .thumbSlider {
  width: 100%;
  max-width: 470px;
  margin: 0 0 0 30px;
}
.topPipe .thumbSlider .thumbSlider-main {
  position: relative;
  height: 313px;
  overflow: hidden;
}
.topPipe .thumbSlider .thumbSlider-item {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}
.topPipe .thumbSlider .thumbSlider-item.active {
  opacity: 1;
}
.topPipe .thumbSlider-thumbs {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  justify-content: center;
}
.topPipe .thumbSlider-thumbs .thumbSlider-thumb {
  width: calc((100% - 50px) / 6);
  height: 50px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border: 2px solid transparent;
  cursor: pointer;
  opacity: 0.6;
  box-sizing: border-box;
}
.topPipe .thumbSlider-thumbs .thumbSlider-thumb.active {
  border-color: transparent;
  opacity: 1;
}
.topPipe .btnPipe a {
  background-color: #3a73f3;
}

.topMember {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  background-image: url(../image/members_img.png);
  background-repeat: no-repeat;
  background-position: calc(50% - 330px) top;
  min-height: 675px;
}
.topMember:before {
  position: absolute;
  content: "";
  width: 350px;
  height: 475px;
  bottom: 0;
  right: calc((100% - 1000px) / 2);
  background-image: url(../image/members_nagaoka.svg);
  background-size: contain;
  z-index: -1;
}
.topMember .txt {
  width: 470px;
  margin: 0 0 0 auto;
}
.topMember .btnMember a {
  background-color: #ffba00;
}

.topAbout {
  position: relative;
  padding: 100px 0;
  z-index: 0;
}
.topAbout:before {
  position: absolute;
  content: "";
  width: 100%;
  height: 56%;
  bottom: 0;
  left: 0;
  background-color: #e9f2f3;
  z-index: -1;
}
.topAbout:after {
  position: absolute;
  content: "";
  width: calc(50% - 50px);
  height: calc(100% - 150px);
  top: 50%;
  right: 0;
  background-image: url(../image/about_building.jpg);
  background-size: cover;
  background-position: center left;
  transform: translateY(-50%);
}
.topAbout .inner {
  display: flex;
  flex-wrap: wrap;
}
.topAbout .txt {
  width: 500px;
}
.topAbout .btnAbout a {
  background-color: #56cc00;
}

.pageAbout:after {
  background-image: url(../image/about_meeting.jpg);
}

.workWrap {
  display: flex;
  flex-wrap: wrap;
  background-color: #e9f2f3;
  padding: 30px;
}
.workWrap:not(:last-child) {
  margin-bottom: 20px;
}
.workWrap .txt, .workWrap .ph {
  width: 50%;
}
.workWrap .txt {
  padding-right: 20px;
}
.workWrap .txt p {
  font-size: 1.45rem;
}
.workWrap .ph {
  font-size: 0;
}
.workWrap .ph img {
  width: calc((100% - 10px) / 2);
}
.workWrap .ph img:not(:last-child) {
  margin-right: 10px;
}

.pipeLink {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.pipeLink h4 {
  width: 100%;
  text-align: center;
}
.pipeLink figure {
  width: 32%;
}
.pipeLink figure figcaption {
  font-size: 1.3rem;
  text-align: center;
  margin-top: 10px;
}

.memberMymap:not(:last-child) {
  margin-bottom: 30px;
}
.memberMymap iframe {
  width: 100%;
}

.membersList {
  display: flex;
  flex-wrap: wrap;
  border-left: 1px solid #ccc;
}
.membersList .region {
  position: relative;
  width: 33.3333333333%;
  border-top: 1px solid #ccc;
  border-right: 1px solid #ccc;
}
.membersList .region:nth-last-child(-n+3) {
  border-bottom: 1px solid #ccc;
}
.membersList .region.dummy:before {
  content: none;
}
.membersList .region.dummy a {
  pointer-events: none;
}
.membersList .region.dummy a:after {
  content: none;
}
.membersList .region:before {
  position: absolute;
  content: "";
  top: 23px;
  left: 20px;
  width: 9px;
  height: 9px;
  background-color: #00b5c5;
  border-radius: 50%;
}
.membersList a {
  position: relative;
  display: block;
  font-size: 1.4rem;
  text-decoration: none;
  width: 100%;
  position: relative;
  padding: 20px 40px;
}
.membersList a:after {
  position: absolute;
  content: "";
  top: 50%;
  right: 20px;
  width: 7px;
  height: 7px;
  border-top: 1px solid #003d69;
  border-right: 1px solid #003d69;
  transform: rotate(45deg) translateY(-50%);
}

.membersListWrap {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.membersListWrap .membersItem {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: calc((100% - 20px) / 2);
  border: 1px solid #ccc;
  padding: 30px;
  margin-bottom: 20px;
}
.membersListWrap .membersItem:nth-child(odd) {
  margin-right: 20px;
}
.membersListWrap .membersItem .txtCom:not(:last-child) {
  margin-bottom: 20px;
}
.membersListWrap .membersItem .ttl {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  height: 60px;
  padding-bottom: 15px;
  border-bottom: 1px solid #003d69;
  margin-bottom: 20px;
}
.membersListWrap .membersItem h4 {
  width: 100%;
  font-size: 1.8rem;
  line-height: 1.2;
  margin-bottom: 0;
}
.membersListWrap .membersItem .logo {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 90px;
  height: 100%;
}
.membersListWrap .membersItem .logo + h4 {
  width: calc(100% - 90px - 20px);
}
.membersListWrap .membersItem dl {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.membersListWrap .membersItem dl dt {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.5;
  width: 115px;
  padding: 5px;
}
.membersListWrap .membersItem dl dd {
  font-size: 1.4rem;
  line-height: 1.5;
  width: calc(100% - 120px);
  padding: 5px;
}
.membersListWrap .membersItem dl dd.web a {
  display: inline-block;
  color: #fff;
  font-size: 1.5rem;
  text-decoration: none;
  line-height: 1;
  background-color: #00b5c5;
  padding: 8px 10px;
  border-radius: 10px;
}
.membersListWrap .membersItem .phCom {
  display: flex;
  flex-wrap: wrap;
}
.membersListWrap .membersItem .phComImg {
  position: relative;
  aspect-ratio: 130/84;
  width: calc((100% - 20px) / 3);
  background-color: #e9f2f3;
  overflow: hidden;
  /* JSで縦向き判定：縦幅でフィット */
  /* JSで横向き判定：横幅でフィット */
}
.membersListWrap .membersItem .phComImg:not(:last-child) {
  margin-right: 10px;
}
.membersListWrap .membersItem .phComImg img {
  position: absolute;
  inset: 0;
  margin: auto;
  display: block;
}
.membersListWrap .membersItem .phComImg img.is-portrait {
  width: auto;
  height: 100%;
  object-fit: cover;
}
.membersListWrap .membersItem .phComImg img.is-landscape {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.linkWrap {
  display: flex;
  flex-wrap: wrap;
}
.linkWrap:not(:last-child) {
  margin-bottom: 30px;
}
.linkWrap p {
  width: calc((100% - 20px) / 2);
}
.linkWrap p:not(:nth-child(2n)) {
  margin-right: 20px;
}
.linkWrap p:not(:last-child) {
  margin-bottom: 20px;
}
.linkWrap a {
  position: relative;
  display: inline-block;
  color: #003d69;
  font-weight: 500;
  text-decoration: none;
  width: 100%;
  border: 1px solid #ccc;
  padding: 20px 45px 20px 20px;
}
.linkWrap a:before {
  position: absolute;
  content: "";
  top: 50%;
  right: 20px;
  width: 16px;
  height: 15px;
  background-image: url(../image/icon_link_ex.svg);
  background-repeat: no-repeat;
  background-size: contain;
  transform: translateY(-50%);
}

.dlWrap a {
  position: relative;
  padding: 20px 55px 20px 50px;
}
.dlWrap a.dlLink:before {
  background-image: url(../image/icon_dl.svg);
  width: 27px;
  height: 28px;
}
.dlWrap a.exLink:before {
  right: 27px;
}
.dlWrap a:after {
  position: absolute;
  content: "";
  top: 50%;
  left: 20px;
  width: 20px;
  height: 26px;
  background-size: contain;
  background-repeat: no-repeat;
  transform: translateY(-50%);
}
.dlWrap a.pdf:after {
  background-image: url(../image/icon_dl_pdf.png);
}
.dlWrap a.excel:after {
  background-image: url(../image/icon_dl_excel.png);
}
.dlWrap a.word:after {
  background-image: url(../image/icon_dl_word.png);
}
.dlWrap a.cad:after {
  background-image: url(../image/icon_dl_cad.png);
}
.dlWrap a.etc:after {
  background-image: url(../image/icon_dl_etc.png);
}
.dlWrap a.web:after {
  width: 20px;
  height: 20px;
  background-image: url(../image/icon_dl_web.png);
}

.infoList {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.infoList .infoItem {
  width: calc((100% - 30px) / 2);
  background-color: #e9f2f3;
  padding: 30px;
}

.page404 h4, .page404 p {
  text-align: center;
}