@charset "UTF-8";
/******************************************************************************
******************************************************************************
**
** style.scssにおいて ( var.3.1.3 )
** -- baseでは基本タグとサイト大枠のCSS指定
** -- headerではヘッダーのCSS指定
** -- global navではグローバルナビのCSS指定
** -- contentではコンテント・メイン・サイドナビのCSS指定
** -- footerではフッターのCSS指定
** -- pagetopではページトップボタンのCSS指定
** -- indexではトップページのCSS指定
** -- pageでは汎用ページのCSS指定
** -- styleでは汎用ページのコンテンツ（データ入れ）で使用する基本タグのCSS指定
**
** 注意事項
** -- CSSの命名規則はApplicatsオリジナルの命名規則を採用しています。
** -- 初期フォントサイズはreset.cssにて13pxにリセットしています。
** -- 行間は1.6にリセットしています。
**        単位は不要です。(スタイル崩れする可能性有)
** -- コンテンツ内のフォントサイズ・行間は
**        [ base ]のcontentsクラスで指定しています。
**        変更する場合はこちらを変更してください。
**
******************************************************************************
******************************************************************************/
/*-------------------------------------------------------------------------------------------------------
*********************************************************************************************************
*********************************************************************************************************
******
****** PCスタイル
******
*********************************************************************************************************
*********************************************************************************************************
-------------------------------------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
******************************************************************************
** function
******************************************************************************
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
******************************************************************************
** base
******************************************************************************
----------------------------------------------------------------------------*/
html {
  overflow-x: hidden; /* safari対策 */
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: clip;
}

.w_base {
  width: 100%;
  margin: 0 auto;
  padding-right: 1rem;
  padding-left: 1rem;
}

/*----------------------------------------------------------------------------
******************************************************************************
** root
******************************************************************************
----------------------------------------------------------------------------*/
:root {
  --main-color: #053473;
  --color-white: #fff;
  --color-black: #111;
  --color-gray: #eef3f7;
  --main-font: "Noto Sans JP", sans-serif;
  --sub-font-01: "Audiowide", sans-serif;
  --sub-font-02: "Oxanium", sans-serif;
  --sub-font-03: "Zen Kaku Gothic New", sans-serif;
  --sub-font-04: "Arimo", sans-serif;
  --sub-font-05: "Alex Brush", cursive;
}

/*----------------------------------------------------------------------------
******************************************************************************
** header
******************************************************************************
----------------------------------------------------------------------------*/
.hd_bg {
  position: sticky;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
  background: var(--color-white);
}
.hd_bg.index {
  position: fixed;
  background: transparent;
  box-shadow: none;
  transition: all 0.5s ease;
}
.hd_bg.index.js_active {
  background: var(--color-white);
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.15);
}
.hd_bg .hd {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 1720px;
  margin-inline: auto;
  padding: 1.5rem 1rem;
}
.hd_bg .hd .hd_logo {
  width: 100%;
  max-width: 321px;
}
.hd_bg .hd .hd_logo img {
  width: 100%;
  height: auto;
}
.hd_bg .hd .hd_lang {
  position: absolute;
  top: 0;
  right: 0;
}

/*----------------------------------------------------------------------------
******************************************************************************
** global nav
******************************************************************************
----------------------------------------------------------------------------*/
.nav {
  overflow: visible;
  display: flex;
  align-items: center;
  gap: clamp(30px, 7.094972067px + 2.2346368715vw, 50px);
}
.nav .nav_list {
  display: flex;
  align-items: center;
  gap: clamp(20px, -2.905027933px + 2.2346368715vw, 40px);
}
.nav .nav_list li > a {
  position: relative;
  display: block;
  padding: 0 0.5rem;
  color: var(--color-black);
  font-size: clamp(14px, 11.7094972067px + 0.2234636872vw, 16px);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.5s ease;
}
.nav .nav_list li > a::after {
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  content: "";
  width: 100%;
  height: 1px;
  background: var(--main-color);
  transition: all 0.3s;
  transform: scale(0, 1);
  transform-origin: center top;
}
.nav .nav_list li > a:hover, .nav .nav_list li > a.current {
  color: var(--main-color);
}
.nav .nav_list li > a:hover::after, .nav .nav_list li > a.current::after {
  transform: scale(1, 1);
}
.nav .nav_lang {
  display: flex;
  align-items: center;
  gap: clamp(20px, -2.905027933px + 2.2346368715vw, 40px);
}
.nav .nav_lang li > a {
  position: relative;
  display: block;
  padding: 0 0.5rem;
  color: #828282;
  font-size: clamp(14px, 11.7094972067px + 0.2234636872vw, 16px);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.5s ease;
}
.nav .nav_lang li > a::after {
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  content: "";
  width: 100%;
  height: 1px;
  background: var(--main-color);
  transition: all 0.3s;
  transform: scale(0, 1);
  transform-origin: center top;
}
.nav .nav_lang li > a:hover, .nav .nav_lang li > a.current {
  color: var(--main-color);
}
.nav .nav_lang li > a:hover::after, .nav .nav_lang li > a.current::after {
  transform: scale(1, 1);
}
.nav .nav_privacy, .nav .nav_info {
  display: none;
}

/* Keyframes for nav animation */
@keyframes nav_active {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
/*----------------------------------------------------------------------------
******************************************************************************
** content
******************************************************************************
----------------------------------------------------------------------------*/
.con_bg {
  overflow-x: clip;
}
.con_bg .con {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.con_bg .con .main {
  order: 1;
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
}

/*----------------------------------------------------------------------------
******************************************************************************
** footer
******************************************************************************
----------------------------------------------------------------------------*/
.ft_bg {
  position: sticky;
  top: 100%;
  background: var(--main-color);
  color: var(--color-white);
}
.ft_bg .ft {
  display: flex;
  justify-content: space-between;
  max-width: 1720px;
  padding: 6rem 1rem;
}
.ft_bg .ft_logo .logo {
  margin-bottom: 1rem;
}
.ft_bg .ft_logo .logo img {
  width: 100%;
  max-width: 320px;
}
.ft_bg .ft_logo address {
  margin-bottom: 0.5rem;
  font-style: normal;
}
.ft_bg .ft_nav_list {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: clamp(20px, -2.905027933px + 2.2346368715vw, 40px);
  margin-bottom: clamp(30px, 7.094972067px + 2.2346368715vw, 50px);
}
.ft_bg .ft_nav_list li > a {
  position: relative;
  display: block;
  padding: 0 0.5rem;
  color: var(--color-white);
  font-size: clamp(14px, 11.7094972067px + 0.2234636872vw, 16px);
  font-weight: 500;
  text-decoration: none;
  transition: all 0.5s ease;
}
.ft_bg .ft_nav_list li > a::after {
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  content: "";
  width: 100%;
  height: 1px;
  background: var(--color-white);
  transition: all 0.3s;
  transform: scale(0, 1);
  transform-origin: center top;
}
.ft_bg .ft_nav_list li > a:hover::after, .ft_bg .ft_nav_list li > a.current::after {
  transform: scale(1, 1);
}
.ft_bg .ft_nav_list.privacy {
  justify-content: flex-end;
  margin-bottom: 0;
}
.ft_bg .ft_nav_list.privacy a {
  font-size: clamp(12px, 9.7094972067px + 0.2234636872vw, 14px);
}
.ft_bg .ft_nav_link {
  display: flex;
  align-items: center;
  gap: clamp(20px, -2.905027933px + 2.2346368715vw, 40px);
  margin-bottom: clamp(30px, 7.094972067px + 2.2346368715vw, 50px);
}
.ft_bg .ft_nav_link li > a {
  display: block;
  padding: 1.5rem 2.5rem;
  color: var(--color-white);
  font-size: clamp(14px, 11.7094972067px + 0.2234636872vw, 16px);
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--color-white);
  transition: all 0.5s ease;
}
.ft_bg .ft_nav_link li > a:hover, .ft_bg .ft_nav_link li > a.current {
  background: var(--color-white);
  color: var(--main-color);
}
.ft_bg .ft_copy {
  padding: 2.5rem 0;
  text-align: center;
  border-top: 1px solid var(--color-white);
}

/*----------------------------------------------------------------------------
******************************************************************************
** pagetop
******************************************************************************
----------------------------------------------------------------------------*/
.pt {
  cursor: pointer;
  position: fixed;
  right: 30px;
  bottom: 30px;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--color-white);
  border-radius: 50%;
  opacity: 0;
  visibility: hidden;
  border: 1px solid var(--main-color);
  transition: all 0.3s ease;
}
.pt.is-active {
  opacity: 1;
  visibility: visible;
}
.pt:hover {
  opacity: 0.6;
}
.pt .pt_btn {
  cursor: pointer;
  position: relative;
  display: block;
  width: 15px;
  height: 15px;
  margin-top: 8px;
  background: none;
  border: none;
  transform: rotate(45deg);
}
.pt .pt_btn::before, .pt .pt_btn::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  background-color: var(--main-color);
}
.pt .pt_btn::before {
  bottom: 0;
  width: 2px;
}
.pt .pt_btn::after {
  right: 0;
  height: 2px;
}

/*----------------------------------------------------------------------------
******************************************************************************
** index
******************************************************************************
----------------------------------------------------------------------------*/
.index_slider_bg {
  position: relative;
  margin: 0 !important;
}
.index_slider_bg .index_slider_ttl {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  width: -moz-max-content;
  width: max-content;
  max-width: 1100px;
  text-align: center;
}
.index_slider_bg .index_slider_ttl h2 {
  font-family: var(--sub-font-03);
  font-size: clamp(34px, 11.094972067px + 2.2346368715vw, 54px);
  margin-bottom: 5rem;
  line-height: 1;
}
.index_slider_bg .index_slider_ttl h2 br {
  display: none;
}
.index_slider_bg .index_slider_ttl h2.en {
  line-height: 1.3;
}
.index_slider_bg .index_slider_ttl p {
  font-size: clamp(14px, 9.4189944134px + 0.4469273743vw, 18px);
  line-height: 2.2;
}
.index_slider_bg video {
  width: 100%;
  height: 100vh;
  max-height: 920px;
  aspect-ratio: 16/9;
  -o-object-fit: cover;
     object-fit: cover;
  -o-object-position: center;
     object-position: center;
}
.index_slider_bg:before {
  content: "Adhesion and Interfacial Phenomena Research Laboratory(AIRL) " "Adhesion and Interfacial Phenomena Research Laboratory(AIRL)";
  position: absolute;
  bottom: 0;
  left: 0;
  white-space: nowrap;
  font-family: var(--sub-font-01);
  font-size: clamp(80px, 22.7374301676px + 5.5865921788vw, 130px);
  font-weight: 700;
  font-style: italic;
  color: rgba(0, 0, 0, 0.1);
  animation: scrollTitle 60s linear infinite;
}
@keyframes scrollTitle {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.index_main {
  order: 1;
  width: 100%;
}
.index_main h2 {
  margin-bottom: 4rem;
  color: var(--main-color);
  font-size: 1.8rem;
  font-weight: 500;
  text-align: center;
}
.index_main h2::before {
  content: attr(data-enttl);
  display: block;
  color: var(--color-black);
  font-family: var(--sub-font-02);
  font-size: 6.4rem;
  font-weight: 400;
  line-height: 1;
}
.index_main h2.en {
  color: var(--color-black);
  font-family: var(--sub-font-02);
  font-size: 6.4rem;
  font-weight: 400;
  line-height: 1;
}
.index_main h2.en::before {
  display: none;
}
.index_main h2.fadein-right, .index_main h2.fadein-left {
  opacity: 0;
  transition: all 0.8s ease-out;
}
.index_main h2.fadein-right {
  transform: translateX(50px);
}
.index_main h2.fadein-left {
  transform: translateX(-50px);
}
.index_main h2.fadein-right.is-visible, .index_main h2.fadein-left.is-visible {
  opacity: 1;
  transform: translateX(0);
}
.index_main .view_more {
  display: flex;
  justify-content: center;
  align-items: center;
}
.index_main .view_more a {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  transition: all 0.5s ease;
}
.index_main .view_more a .ttl {
  font-family: var(--sub-font-02);
  font-size: 1.8rem;
}
.index_main .view_more a .ttl.news {
  color: var(--color-white);
}
.index_main .view_more a .circle {
  position: relative;
}
.index_main .view_more a .circle::before {
  position: absolute;
  top: 50%;
  right: 50%;
  transform: translate(50%, -50%);
  z-index: 1;
  content: "";
  display: block;
  width: 22px;
  height: 19px;
  background: url(../images/icon_viewmore_arrow.svg) no-repeat center/contain;
}
.index_main .view_more a .circle::after {
  content: "";
  display: block;
  height: 57px;
  width: 57px;
  border-radius: 50%;
  background-color: var(--main-color);
  border: 1px solid var(--color-white);
  transition: cubic-bezier(0.15, 0.84, 0.44, 1) 0.8s;
}
.index_main .view_more a:hover {
  color: var(--main-color);
}
.index_main .view_more a:hover .ttl.news {
  color: var(--color-white);
}
.index_main .view_more a:hover .circle::after {
  transform: scale(1.3);
}

.index_research_bg {
  position: relative;
  padding-top: 13rem;
  padding-bottom: 13rem;
}
.index_research_bg::before {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  display: block;
  width: clamp(361px, -51.2905027933px + 40.2234636872vw, 721px);
  height: clamp(308px, -43.5921787709px + 34.3016759777vw, 615px);
  background: url(../images/con_bg_left_01.png) no-repeat center;
  background-size: contain;
}
.index_research_bg::after {
  position: absolute;
  right: 0;
  bottom: 0;
  content: "";
  display: block;
  width: clamp(372px, -52.8882681564px + 41.4525139665vw, 743px);
  height: clamp(302px, -43.8659217877px + 33.7430167598vw, 604px);
  background: url(../images/con_bg_right_01.png) no-repeat center;
  background-size: contain;
}
.index_research_bg .index_research_con {
  max-width: 1700px;
}
.index_research_bg .index_research_con h3 {
  position: relative;
  width: -moz-max-content;
  width: max-content;
  margin-bottom: 3rem;
  margin-inline: auto;
}
.index_research_bg .index_research_con h3 span {
  display: inline-block;
  padding: 1.5rem 0.5rem;
  font-family: var(--sub-font-03);
  font-size: 2.6rem;
  font-weight: 700;
  border-top: 1px solid var(--color-black);
  border-bottom: 1px solid var(--color-black);
}
.index_research_bg .index_research_con h3 span br {
  display: none;
}
.index_research_bg .index_research_con h3::before {
  content: attr(data-enttl);
  display: block;
  font-family: var(--sub-font-02);
  font-size: 3.2rem;
  text-align: center;
}
.index_research_bg .index_research_con h3::after {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -1;
  transform: translate(-50%, -50%);
  content: "";
  display: block;
  width: 234px;
  height: 234px;
  background: var(--color-gray);
  border-radius: 50%;
}
.index_research_bg .index_research_con p {
  font-size: clamp(14px, 11.7094972067px + 0.2234636872vw, 16px);
  text-align: center;
  line-height: 2;
}
.index_research_bg .index_research_con p:first-of-type {
  margin-bottom: 6.4rem;
}
.index_research_bg .index_research_con figure {
  margin-bottom: 3.6rem;
}
.index_research_bg .index_research_con .youtube {
  width: 100%;
  max-width: 78rem;
  margin-top: 4.5rem;
  margin-inline: auto;
}
.index_research_bg .index_research_con .youtube iframe {
  width: 100%;
  height: auto;
  aspect-ratio: 16/9;
}
.index_research_bg .index_research_con .view_more {
  margin-bottom: 16rem;
}

.index_news_bg {
  width: 100vw;
  margin: 0 calc(50% - 50vw);
  padding: 13rem 0;
  background: var(--main-color);
}
.index_news_bg .index_news_con {
  position: relative;
  width: 100%;
  max-width: 1150px;
  color: var(--color-white);
}
.index_news_bg .index_news_con h2 {
  color: var(--color-white);
}
.index_news_bg .index_news_con h2::before {
  color: var(--color-white);
}
.index_news_bg .index_news_con .index_news_scrl {
  max-height: 60rem;
  margin-inline: auto;
  overflow: auto;
  padding-right: 1rem;
}
.index_news_bg .index_news_con .index_news_scrl::-webkit-scrollbar {
  width: 3px;
}
.index_news_bg .index_news_con .index_news_scrl::-webkit-scrollbar-track {
  background-color: var(--color-black);
}
.index_news_bg .index_news_con .index_news_scrl::-webkit-scrollbar-thumb {
  background-color: var(--color-white);
  border-radius: 8px;
}
.index_news_bg .index_news_con .index_news_item {
  display: flex;
  align-content: space-between;
  align-items: center;
  gap: clamp(40px, 17.094972067px + 2.2346368715vw, 60px);
  width: 100%;
  padding: 3.5rem 1rem;
  font-size: clamp(14px, 11.7094972067px + 0.2234636872vw, 16px);
  border-bottom: 1px solid var(--color-white) f;
}
.index_news_bg .index_news_con .index_news_item_date {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 195px;
  gap: clamp(30px, 7.094972067px + 2.2346368715vw, 50px);
}
.index_news_bg .index_news_con .index_news_item_date time {
  font-size: 0.9em;
}
.index_news_bg .index_news_con .index_news_item_date .cate {
  flex-shrink: 0;
  display: block;
  padding: 0.3rem 0.5rem;
  font-size: clamp(12px, 9.7094972067px + 0.2234636872vw, 14px);
  border: 1px solid var(--color-white);
}
.index_news_bg .index_news_con .index_news_item_ttl {
  width: 100%;
  max-width: calc(100% - clamp(40px, 17.094972067px + 2.2346368715vw, 60px) - 195px);
}
.index_news_bg .index_news_con .index_news_item_ttl dl.news_tbl {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  width: 100%;
  margin: 1.5rem 0;
  border: 1px solid #ccc;
  border-bottom: none;
}
.index_news_bg .index_news_con .index_news_item_ttl dl.news_tbl dt {
  width: 150px;
  padding: 5px;
  border-right: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
}
.index_news_bg .index_news_con .index_news_item_ttl dl.news_tbl dd {
  width: calc(100% - 150px);
  padding: 5px;
  border-bottom: 1px solid #ccc;
}
.index_news_bg .index_news_con .index_news_item_ttl a {
  display: inline-block;
  color: var(--color-white);
  text-decoration: underline;
}
.index_news_bg .index_news_con .index_news_item_ttl .index_news_item_icon_new {
  display: inline-block;
  color: #c00;
  font-size: 0.9em;
  font-weight: bold;
  margin-left: 0.3em;
}
.index_news_bg .index_news_con .index_news_item_ttl .index_news_item_icon_new::before {
  content: "NEW";
}
.index_news_bg .index_news_con .view_more {
  position: absolute;
  top: 0;
  right: 1.5rem;
}

.index_equipment_bg {
  position: relative;
  padding-top: 13rem;
  padding-bottom: 13rem;
}
.index_equipment_bg::before {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  display: block;
  width: clamp(342px, -48.530726257px + 38.1005586592vw, 683px);
  height: clamp(258px, -36.3296089385px + 28.7150837989vw, 515px);
  background: url(../images/con_bg_left_02.png) no-repeat center;
  background-size: contain;
}
.index_equipment_bg::after {
  position: absolute;
  right: 0;
  bottom: 0;
  content: "";
  display: block;
  width: clamp(238px, -33.4245810056px + 26.4804469274vw, 475px);
  height: clamp(229px, -33.2625698324px + 25.5865921788vw, 458px);
  background: url(../images/con_bg_right_02.png) no-repeat center;
  background-size: contain;
}
.index_equipment_bg .index_equipment_con {
  max-width: 1700px;
}
.index_equipment_bg .index_equipment_con > p {
  width: 100%;
  max-width: 1150px;
  margin-bottom: 5rem;
  margin-inline: auto;
  font-size: clamp(14px, 11.7094972067px + 0.2234636872vw, 16px);
  text-align: center;
  line-height: 2;
}
.index_equipment_bg .index_equipment_con .index_equipment_list {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(25px, -3.6312849162px + 2.7932960894vw, 50px) clamp(15px, -2.1787709497px + 1.6759776536vw, 30px);
  margin-bottom: 3.5rem;
}
.index_equipment_bg .index_equipment_con .index_equipment_list .index_equipment_item {
  display: flex;
  gap: clamp(20px, 2.8212290503px + 1.6759776536vw, 35px);
  width: calc((100% - clamp(15px, -2.1787709497px + 1.6759776536vw, 30px)) / 2);
  padding: 3rem 2.5rem;
  border: 1px solid #c1c1c1;
}
.index_equipment_bg .index_equipment_con .index_equipment_list .index_equipment_item .txt {
  width: 100%;
  max-width: 350px;
  padding: 3rem 2.5rem;
  background-image: linear-gradient(135deg, var(--color-gray), var(--color-white));
}
.index_equipment_bg .index_equipment_con .index_equipment_list .index_equipment_item .txt h3 {
  margin-bottom: 2rem;
  color: var(--main-color);
  font-size: clamp(18px, 8.8379888268px + 0.8938547486vw, 26px);
  font-weight: 700;
}
.index_equipment_bg .index_equipment_con .index_equipment_list .index_equipment_item .txt p {
  font-size: clamp(13px, 10.7094972067px + 0.2234636872vw, 15px);
  line-height: 2;
}
.index_equipment_bg .index_equipment_con .index_equipment_list .index_equipment_item .img {
  width: 100%;
  max-width: 385px;
}
.index_equipment_bg .index_equipment_con .index_equipment_list .index_equipment_item:last-of-type .txt {
  max-width: 430px;
}
.index_equipment_bg .index_equipment_con .index_equipment_list .index_equipment_item:last-of-type .img {
  max-width: 315px;
}

/*----------------------------------------------------------------------------
******************************************************************************
** page
******************************************************************************
----------------------------------------------------------------------------*/
/*------- news -------*/
.news_list {
  margin-bottom: 7rem;
}
.news_list .news_item {
  display: flex;
  align-content: space-between;
  align-items: center;
  gap: clamp(40px, 17.094972067px + 2.2346368715vw, 60px);
  width: 100%;
  padding: 3.5rem 1rem;
  font-size: clamp(14px, 11.7094972067px + 0.2234636872vw, 16px);
  border-bottom: 1px solid #BEBEBE;
}
.news_list .news_item:first-of-type {
  padding-top: 0;
}
.news_list .news_item_date {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  max-width: 195px;
  gap: clamp(30px, 7.094972067px + 2.2346368715vw, 50px);
}
.news_list .news_item_date time {
  font-size: 0.9em;
}
.news_list .news_item_date .cate {
  flex-shrink: 0;
  display: block;
  padding: 0.3rem 0.5rem;
  font-size: clamp(12px, 9.7094972067px + 0.2234636872vw, 14px);
  border: 1px solid var(--color-black);
}
.news_list .news_item_ttl {
  width: 100%;
  max-width: calc(100% - clamp(40px, 17.094972067px + 2.2346368715vw, 60px) - 195px);
}
.news_list .news_item_ttl dl.news_tbl {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  width: 100%;
  margin: 1.5rem 0;
  border: 1px solid #ccc;
  border-bottom: none;
}
.news_list .news_item_ttl dl.news_tbl dt {
  width: 150px;
  padding: 5px;
  background: var(--color-gray);
  border-right: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
}
.news_list .news_item_ttl dl.news_tbl dd {
  width: calc(100% - 150px);
  padding: 5px;
  border-bottom: 1px solid #ccc;
}
.news_list .news_item_ttl p {
  margin: 0;
}
.news_list .news_item_ttl a {
  display: inline-block;
  color: var(--color-black);
  text-decoration: underline;
  transition: all 0.3s ease;
}
.news_list .news_item_ttl a:hover {
  color: var(--main-color);
}
.news_list .news_item_ttl .news_item_icon_new {
  display: inline-block;
  color: #c00;
  font-size: 0.9em;
  font-weight: bold;
  margin-left: 0.3em;
}
.news_list .news_item_ttl .news_item_icon_new::before {
  content: "NEW";
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin: 0 !important;
  padding: 0;
  list-style-type: none;
}
.pagination li {
  margin: 0 !important;
}
.pagination a {
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 5rem;
  height: 5rem;
  color: var(--main-color);
  font-family: var(--sub-font-04);
  border: 1px solid var(--main-color);
  border-radius: 50vh;
}
.pagination a:not(:hover) {
  text-decoration: none;
}
.pagination li.current a {
  background-color: var(--main-color);
  color: var(--color-white);
  pointer-events: none;
}
.pagination li.prev {
  margin-right: 2rem !important;
}
.pagination li.prev a {
  background-color: var(--main-color);
  color: var(--color-white);
}
.pagination li.next {
  margin-left: 2rem !important;
}
.pagination li.next a {
  background-color: var(--main-color);
  color: var(--color-white);
}

/*------- research -------*/
.research_overview {
  margin-bottom: 6rem !important;
  font-size: clamp(16px, 13.7094972067px + 0.2234636872vw, 18px);
  line-height: 2;
}

.research_box {
  display: flex;
  align-self: stretch;
  gap: 3rem;
  margin-bottom: 7rem;
  counter-increment: research;
}
.research_box:nth-child(odd) {
  flex-direction: row-reverse;
}
.research_box:last-of-type {
  margin-bottom: 0;
}
.research_box .txt {
  position: relative;
  width: 100%;
  max-width: 550px;
}
.research_box .txt::before {
  position: absolute;
  top: -1rem;
  right: 0;
  content: counter(research, decimal-leading-zero); /* 01, 02, 03… のように表示 */
  display: block;
  color: var(--color-gray);
  font-family: var(--sub-font-02);
  font-size: clamp(120px, 85.6424581006px + 3.3519553073vw, 150px);
  font-weight: 400;
  line-height: 1;
}
.research_box .txt h2 {
  margin-top: 0;
  margin-bottom: 1.5rem;
  color: var(--main-color);
  font-size: clamp(22px, 17.4189944134px + 0.4469273743vw, 26px);
  font-weight: 700;
}
.research_box .txt h2::before {
  content: "";
  display: block;
  width: 92px;
  height: 92px;
  margin-bottom: 1.5rem;
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center;
}
.research_box .txt h2[data-icon="01"]::before {
  background-image: url("../images/icon_research_01.svg");
}
.research_box .txt h2[data-icon="02"]::before {
  background-image: url("../images/icon_research_02.svg");
}
.research_box .txt h2[data-icon="03"]::before {
  background-image: url("../images/icon_research_03.svg");
}
.research_box .txt h2[data-icon="04"]::before {
  background-image: url("../images/icon_research_04.svg");
}
.research_box .txt p {
  font-size: clamp(13px, 10.7094972067px + 0.2234636872vw, 15px);
  line-height: 1.8;
}
.research_box .img {
  width: 100%;
  max-width: 580px;
}
.research_box .img img {
  width: 100%;
  height: auto;
}

/*------- member -------*/
.menber_greeting_bg h2 {
  position: relative;
  margin-bottom: 4rem;
  font-size: 2.6rem;
  font-weight: 700;
  text-align: center;
}
.menber_greeting_bg h2::before {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  content: attr(data-enttl);
  color: var(--color-gray);
  font-family: var(--sub-font-05);
  font-size: 8rem;
  font-weight: 400;
}

.menber_greeting {
  display: flex;
  justify-content: space-between;
  gap: 5rem;
  margin-bottom: 10rem;
  padding: 4.5rem 6.5rem;
  background-image: linear-gradient(135deg, var(--color-gray), var(--color-white));
}
.menber_greeting .menber_greeting_txt {
  font-size: clamp(14px, 11.7094972067px + 0.2234636872vw, 16px);
  line-height: 1.8;
}
.menber_greeting .menber_greeting_txt .name {
  text-align: right;
}
.menber_greeting .menber_greeting_img {
  width: 100vw;
  max-width: 370px;
}

.member_list {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
}
.member_list dt {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 200px;
  padding: 4rem 0;
  color: var(--main-color);
  font-size: clamp(16px, 13.7094972067px + 0.2234636872vw, 18px);
  font-weight: 500;
  border-bottom: 1px solid #BEBEBE;
}
.member_list dt:before {
  content: "";
  position: absolute;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: var(--main-color);
}
.member_list dt:first-of-type:after {
  content: "";
  position: absolute;
  top: 0;
  width: 100%;
  height: 2px;
  background: var(--main-color);
}
.member_list dd {
  width: 100%;
  max-width: calc(100% - 200px);
  font-size: clamp(14px, 11.7094972067px + 0.2234636872vw, 16px);
  padding: 4rem 8rem;
  border-bottom: 1px solid #BEBEBE;
}
.member_list dd:first-of-type {
  border-top: 1px solid #BEBEBE;
}

.member_mail {
  width: 100%;
  padding: 1.5rem;
  background: var(--color-gray);
  color: #333;
  text-align: center;
  border-radius: 0.8rem;
}

/*------- equipment -------*/
.equipment_overview {
  margin-bottom: 6rem !important;
  font-size: clamp(16px, 13.7094972067px + 0.2234636872vw, 18px);
  line-height: 2;
}

.equipment_box {
  display: flex;
  gap: 3rem;
  width: 100%;
  margin-bottom: 4rem;
  padding: 2.5rem 3.5rem;
  border: 1px solid #c1c1c1;
}
.equipment_box:last-of-type {
  margin-bottom: 0;
}
.equipment_box .txt {
  width: 100%;
  max-width: 673px;
  padding: 3rem 2.5rem;
  background-image: linear-gradient(135deg, var(--color-gray), var(--color-white));
}
.equipment_box .txt > h2 {
  margin: 0 0 2rem !important;
  color: var(--main-color);
  font-size: clamp(22px, 17.4189944134px + 0.4469273743vw, 26px);
  font-weight: 700;
}
.equipment_box .txt > p {
  margin: 0 0 2rem !important;
  font-size: clamp(14px, 11.7094972067px + 0.2234636872vw, 16px);
  line-height: 1.8;
}
.equipment_box .txt > .point {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(10px, 4.2737430168px + 0.5586592179vw, 15px);
}
.equipment_box .txt > .point dl {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: calc((100% - clamp(10px, 4.2737430168px + 0.5586592179vw, 15px)) / 2);
  padding: 0.5rem 1rem;
  background: var(--color-white);
  border-radius: 50vh;
}
.equipment_box .txt > .point dt {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex-shrink: 0;
  width: 4rem;
  height: 4rem;
  color: var(--main-color);
  font-family: var(--sub-font-02);
  font-size: 0.7rem;
  text-align: center;
  line-height: 1.4;
  border: 1px solid var(--main-color);
  border-radius: 50vh;
}
.equipment_box .txt > .point dt span {
  display: block;
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1;
}
.equipment_box .txt > .point dd {
  font-size: clamp(12px, 8.5642458101px + 0.3351955307vw, 15px);
}
.equipment_box .img {
  width: 100%;
  max-width: 385px;
}

.equipment_photo {
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
}
.equipment_photo .equipment_photo_item {
  width: calc((100% - 6rem) / 3);
}
.equipment_photo .equipment_photo_item a {
  display: block;
  overflow: hidden;
}
.equipment_photo .equipment_photo_item a img {
  width: 100%;
  height: auto;
  -o-object-fit: cover;
     object-fit: cover;
  aspect-ratio: 16/9;
  transform: scale(1);
  transition: 0.3s ease-in-out !important;
}
.equipment_photo .equipment_photo_item a:hover img {
  opacity: 0.7;
  transform: scale(1.3);
}
.equipment_photo .equipment_photo_item span {
  display: flex;
  justify-content: center;
  margin-top: 1rem;
  font-size: 1.4rem;
  font-weight: 500;
}

/*------- contact -------*/
.contact_box h2 {
  margin: 0 0 7rem;
  font-size: clamp(22px, 17.4189944134px + 0.4469273743vw, 26px);
  font-weight: 700;
  text-align: center;
}
.contact_box .address {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 0 0 7rem;
}
.contact_box .address img {
  width: 100%;
  max-width: 420px;
  margin-bottom: 1rem;
}
.contact_box .address address {
  font-style: normal;
  text-align: center;
}
.contact_box .address address span {
  display: inline-block;
  text-indent: 0.5em;
}
.contact_box .mail {
  width: 100%;
  max-width: 690px;
  margin-bottom: 3rem;
  margin-inline: auto;
  padding: 3rem 1.5rem;
  background: var(--color-gray);
  border-radius: 0.8rem;
}
.contact_box .mail span {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  color: #333;
  font-size: 2.4rem;
}
.contact_box .mail span::before {
  content: "";
  display: block;
  width: 44px;
  height: 32px;
  background: url(../images/icon_contact.svg) no-repeat center/contain;
}
.contact_box > p {
  text-align: center;
}

/*----------------------------------------------------------------------------
******************************************************************************
** style
******************************************************************************
----------------------------------------------------------------------------*/
.mcon {
  word-wrap: break-word;
}
.mcon h1 {
  position: relative;
  width: 100vw;
  margin: 0 calc(50% - 50vw);
  padding: 6.5rem 2rem;
  background: #F1F6FA;
  overflow: hidden;
}
.mcon h1::before {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  display: block;
  width: 552px;
  height: 231px;
  background: url(../images/titl_bg_left.png) no-repeat center;
  background-size: contain;
}
.mcon h1::after {
  position: absolute;
  right: 0;
  bottom: 0;
  content: "";
  display: block;
  width: 480px;
  height: 231px;
  background: url(../images/titl_bg_right.png) no-repeat center;
  background-size: contain;
}
.mcon h1 span {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  color: var(--main-color);
  font-size: 1.8rem;
  font-weight: 500;
}
.mcon h1 span::before {
  content: attr(data-enttl);
  display: block;
  color: #000;
  font-family: var(--sub-font-02);
  font-size: 7.4rem;
  font-weight: 400;
  line-height: 1;
}
.mcon h1 span.en {
  color: #000;
  font-family: var(--sub-font-02);
  font-size: 7.4rem;
  font-weight: 400;
  line-height: 1;
}
.mcon h1 span.en::before {
  display: none;
}
.mcon > section {
  padding-top: 13rem;
  padding-bottom: 13rem;
}
.mcon > section a img:hover {
  opacity: 0.8;
  transition: all 0.3s ease;
}
.mcon > section hr {
  border: none;
  border-top: 1px dotted #000;
}
.mcon > section iframe {
  max-width: 100%;
  aspect-ratio: 16/9;
}
.mcon > section img {
  max-width: 100%;
  height: auto;
}
.mcon > section p {
  margin-bottom: 1em;
}
.mcon > section ul {
  margin-top: 1em;
  margin-bottom: 0.5em;
}
.mcon > section ul li {
  list-style-type: disc;
  margin-left: 1.5em;
  margin-bottom: 0.5em;
}
.mcon > section ol {
  margin-top: 1em;
  margin-bottom: 0.5em;
}
.mcon > section ol li {
  margin-left: 2em;
  margin-bottom: 0.5em;
}/*# sourceMappingURL=style.css.map */