@charset "UTF-8";

/*
  研究テーマ詳細8ページ専用。
  写真と青系の個性を残しながら、記事の読み幅、意味ごとのまとまり、
  主操作と補助操作の強弱を統一する。
*/

.research-detail-page .subpage-main {
  background: #f3f7fa;
}

.research-detail-page .subpage-hero {
  padding-top: clamp(24px, 3vw, 38px);
  padding-bottom: clamp(42px, 5vw, 68px);
  background:
    radial-gradient(circle at 92% 8%, rgba(68, 166, 234, .15), transparent 27%),
    linear-gradient(135deg, #f8fbfd 0%, #edf6fc 100%);
  border-bottom: 0;
}

.research-detail-page .subpage-hero::after {
  display: none;
}

.theme-hero-inner {
  width: min(100%, 1120px);
}

.theme-hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(270px, 340px);
  gap: clamp(36px, 6vw, 78px);
  align-items: center;
  margin-top: 26px;
}

.theme-hero-layout-photo {
  grid-template-columns: minmax(0, 1fr) minmax(350px, 43%);
}

.theme-hero-copy {
  min-width: 0;
}

.theme-hero-kicker {
  display: flex;
  gap: 10px;
  align-items: center;
  margin: 0 0 11px;
  color: #315b78;
}

.theme-hero-kicker span {
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .08em;
}

.theme-hero-kicker strong {
  color: #0b72bd;
  font-size: 12px;
  font-weight: 900;
}

.research-detail-page .subpage-hero h1 {
  max-width: 720px;
  font-size: clamp(34px, 4.2vw, 52px);
  line-height: 1.2;
  letter-spacing: -.045em;
}

.research-detail-page .subpage-lead {
  max-width: 42em;
  margin-top: 18px;
  color: #38566d;
  font-size: 16px;
  line-height: 1.9;
}

.theme-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 18px;
  margin: 20px 0 0;
  padding: 0;
  color: #41647d;
  list-style: none;
}

.theme-keywords li {
  position: relative;
  padding-left: 12px;
  font-size: 11px;
  font-weight: 750;
  line-height: 1.6;
}

.theme-keywords li::before {
  position: absolute;
  top: .62em;
  left: 0;
  width: 5px;
  height: 5px;
  background: #2a91d6;
  border-radius: 50%;
  content: "";
}

.theme-hero-photo {
  position: relative;
  overflow: hidden;
  margin: 0;
  background: #0a233a;
  border-radius: 11px;
  box-shadow: 0 22px 48px rgba(5, 41, 72, .19);
}

.theme-hero-photo img {
  display: block;
  width: 100%;
  height: clamp(255px, 28vw, 340px);
  object-fit: cover;
}

.theme-hero-photo > span {
  position: absolute;
  right: 13px;
  bottom: 12px;
  padding: 5px 8px;
  color: rgba(255, 255, 255, .94);
  background: rgba(4, 29, 52, .72);
  border-radius: 3px;
  font-size: 9px;
  font-weight: 850;
  letter-spacing: .08em;
  backdrop-filter: blur(6px);
}

.theme-hero-photo-contain {
  background: #fff;
}

.theme-hero-photo-contain img {
  height: clamp(220px, 24vw, 290px);
  padding: 25px;
  object-fit: contain;
}

.theme-symbol {
  position: relative;
  display: grid;
  min-height: 260px;
  padding: 26px;
  overflow: hidden;
  place-items: center;
  color: #fff;
  background:
    radial-gradient(circle at 78% 24%, rgba(255, 255, 255, .22), transparent 24%),
    linear-gradient(145deg, #123e65, #0877bd);
  border-radius: 11px;
  box-shadow: 0 22px 48px rgba(5, 41, 72, .19);
}

.theme-symbol::before {
  position: absolute;
  right: -54px;
  bottom: -70px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 50%;
  box-shadow: 0 0 0 34px rgba(255, 255, 255, .04);
  content: "";
}

.theme-symbol small {
  position: absolute;
  top: 20px;
  left: 22px;
  color: rgba(255, 255, 255, .72);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .12em;
}

.theme-symbol strong {
  position: relative;
  z-index: 1;
  font-size: 58px;
  font-weight: 500;
}

.theme-symbol > span {
  position: absolute;
  right: 22px;
  bottom: 13px;
  color: rgba(255, 255, 255, .32);
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
}

.research-detail-page .subpage-section {
  padding-top: clamp(42px, 5vw, 68px);
  padding-bottom: clamp(58px, 7vw, 92px);
}

.research-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 330px);
  gap: clamp(24px, 4vw, 46px);
  width: min(100%, 1040px);
  margin-inline: auto;
  align-items: start;
}

.research-detail-article {
  display: grid;
  min-width: 0;
  gap: 22px;
}

.research-overview,
.research-activities {
  padding: clamp(25px, 3.5vw, 38px);
  background: #fff;
  border-radius: 9px;
  box-shadow: 0 10px 30px rgba(18, 57, 87, .075);
}

.research-overview > span,
.research-related header > span {
  color: #1675b8;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .08em;
}

.research-overview h2,
.research-activities h2 {
  margin: 7px 0 14px;
  color: var(--navy-950);
  font-size: clamp(23px, 2.7vw, 31px);
  line-height: 1.4;
  letter-spacing: -.035em;
}

.research-overview p {
  max-width: 42em;
  margin: 0;
  color: #405d73;
  font-size: 16px;
  line-height: 2;
}

.research-activities h2 {
  margin-top: 0;
  margin-bottom: 20px;
}

.research-activities-with-lead h2 {
  margin-bottom: 8px;
}

.research-activities-lead {
  max-width: 48em;
  margin: 0 0 20px;
  color: #587084;
  font-size: 12px;
  line-height: 1.8;
}

.research-activities ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.research-activities li {
  display: flex;
  min-height: 86px;
  gap: 13px;
  align-items: flex-start;
  padding: 17px;
  color: #294b65;
  background: #f1f7fb;
  border-radius: 7px;
  font-size: 14px;
  line-height: 1.7;
}

.research-activities li > span {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: .58em;
  background: #1988d0;
  border-radius: 2px;
}

.research-activities li strong {
  font-weight: 750;
}

[data-theme="info-education"] .research-activities li:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  min-height: 72px;
}

.research-core-activity {
  display: grid;
  grid-template-columns: minmax(190px, .78fr) minmax(0, 1.22fr);
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
  padding: clamp(25px, 3.3vw, 36px);
  background: #d8eaf5;
}

.research-core-activity header > span {
  display: inline-flex;
  min-height: 27px;
  align-items: center;
  padding: 5px 9px;
  color: #fff;
  background: var(--navy-800);
  font-size: 9px;
  font-weight: 850;
  letter-spacing: .04em;
}

.research-core-activity header > p {
  margin: 17px 0 0;
  color: #176b9e;
  font-size: 10px;
  font-weight: 850;
}

.research-core-activity h2 {
  margin: 7px 0 0;
  color: var(--navy-950);
  font-size: clamp(22px, 2.3vw, 28px);
  line-height: 1.48;
  letter-spacing: -.018em;
  word-break: keep-all;
}

.research-core-activity > div > p {
  max-width: 46em;
  margin: 2px 0 0;
  color: #375a72;
  font-size: 14px;
  line-height: 1.9;
}

.research-core-activity > div > a {
  display: flex;
  width: min(100%, 320px);
  min-height: 46px;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-top: 21px;
  padding: 10px 14px;
  color: #fff;
  background: var(--navy-800);
  font-size: 11px;
  font-weight: 850;
}

.research-core-activity > div > a:hover,
.research-core-activity > div > a:focus-visible {
  color: #fff;
  background: #075f9e;
}

.research-core-activity > div > a:focus-visible {
  outline: 3px solid rgba(8, 119, 232, .28);
  outline-offset: 3px;
}

.research-core-activity > div > a > span {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.research-core-activity > div > a > i {
  flex: 0 0 auto;
  font-size: 16px;
  font-style: normal;
  transition: transform .18s ease;
}

.research-core-activity > div > a:hover > i,
.research-core-activity > div > a:focus-visible > i { transform: translateX(3px); }
.research-core-activity .link-destination { margin: 0; }

.research-related {
  padding: 25px;
  background: #dfeef7;
  border-radius: 9px;
}

.research-related header {
  margin-bottom: 16px;
}

.research-related h2 {
  margin: 5px 0 0;
  color: var(--navy-950);
  font-size: 21px;
  line-height: 1.4;
}

.research-related-links {
  display: grid;
  gap: 8px;
}

.research-related-links > a,
.research-related-pending {
  display: flex;
  width: 100%;
  min-height: 66px;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  padding: 13px 14px;
  color: #183d59;
  background: #fff;
  border: 0;
  border-radius: 6px;
  box-shadow: 0 4px 14px rgba(19, 61, 91, .06);
  font: inherit;
  text-align: left;
}

.research-related-links > a:hover,
.research-related-links > a:focus-visible {
  color: #075f9d;
  background: #f9fdff;
  transform: translateY(-1px);
}

.research-related-links > a > span {
  display: grid;
  min-width: 0;
  gap: 6px;
  justify-items: start;
}

.research-related-links strong,
.research-related-pending strong {
  font-size: 12px;
  font-weight: 800;
  line-height: 1.55;
}

.research-related-links > a > i {
  flex: 0 0 auto;
  color: #157bc0;
  font-size: 18px;
  font-style: normal;
}

.research-related .link-destination {
  margin: 0;
}

.research-related-pending {
  color: #6b7d8b;
  box-shadow: none;
  cursor: not-allowed;
}

.research-related-pending small {
  flex: 0 0 auto;
  padding: 3px 7px;
  color: #667985;
  background: #edf2f5;
  border-radius: 3px;
  font-size: 9px;
  font-weight: 800;
}

.research-related-contact {
  display: flex;
  min-height: 48px;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-top: 13px;
  padding: 10px 13px;
  color: #fff;
  background: #123e65;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 800;
}

.research-related-contact:hover,
.research-related-contact:focus-visible {
  color: #fff;
  background: #0877bd;
}

.research-related-contact i {
  font-size: 16px;
  font-style: normal;
}

.theme-photo-story,
.theme-teaching-approach,
.theme-featured-project {
  width: min(100%, 1040px);
  margin: 28px auto 0;
  padding: clamp(25px, 3.5vw, 38px);
  background: #fff;
  border-radius: 9px;
  box-shadow: 0 10px 30px rgba(18, 57, 87, .075);
}

.theme-learning-perspectives,
.theme-research-publication,
.theme-student-development,
.theme-development-platform,
.theme-course-practice {
  width: min(100%, 1040px);
  margin: 28px auto 0;
  padding: clamp(28px, 4vw, 46px);
  border-radius: 9px;
}

.theme-learning-perspectives,
.theme-research-publication,
.theme-course-practice {
  background: #fff;
  box-shadow: 0 10px 30px rgba(18, 57, 87, .075);
}

.theme-research-publication {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(360px, 1.05fr);
  gap: clamp(30px, 5vw, 64px);
  align-items: start;
}

.theme-research-publication-copy > span {
  color: #0877bd;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .06em;
}

.theme-research-publication h2 {
  margin: 8px 0 0;
  color: var(--navy-950);
  font-size: clamp(23px, 2.7vw, 32px);
  line-height: 1.45;
  letter-spacing: -.035em;
}

.theme-research-publication-copy > p {
  margin: 15px 0 0;
  color: #496579;
  font-size: 14px;
  line-height: 1.9;
}

.theme-research-publication-record {
  padding: 19px 20px;
  background: #f2f7fa;
  border: 1px solid #cfdee7;
  border-radius: 7px;
}

.theme-research-publication-paper { margin: 0; }
.theme-research-publication-paper > span { display: block; color: #6b8293; font-size: 9px; font-weight: 850; }
.theme-research-publication-paper > strong { display: block; margin-top: 6px; color: #123e5d; font-size: 17px; line-height: 1.6; }
.theme-research-publication-authors { margin: 8px 0 0; color: #63798a; font-size: 10px; line-height: 1.7; }
.theme-research-publication-record nav { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 17px; }
.theme-research-publication-record nav a { display: inline-flex; gap: 8px; align-items: center; min-height: 34px; padding: 6px 10px; color: #123e5d; background: #fff; border: 1px solid #c9dbe6; border-radius: 5px; font-size: 10px; font-weight: 850; }
.theme-research-publication-record nav a:hover,
.theme-research-publication-record nav a:focus-visible { color: #0877bd; border-color: #8fc4e4; }
.theme-research-publication-record nav i { color: #0877bd; font-size: 13px; font-style: normal; }
.theme-research-publication-note { margin: 16px 0 0; padding-top: 12px; color: #5a7182; border-top: 1px solid #d4e1e8; font-size: 10px; line-height: 1.75; }
.theme-research-publication-note > span { display: inline-flex; margin-right: 8px; padding: 2px 6px; color: #72500d; background: #fbf2d7; border-radius: 4px; font-size: 8px; font-weight: 900; vertical-align: 1px; }
.theme-research-publication-photo { margin: 16px 0 0; overflow: hidden; background: #132d40; border-radius: 6px; }
.theme-research-publication-photo > a { display: block; overflow: hidden; aspect-ratio: 16 / 9; }
.theme-research-publication-photo img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center 48%; }
.theme-research-publication-photo figcaption { display: flex; gap: 12px; align-items: center; justify-content: space-between; padding: 9px 11px 10px; color: #e7f0f5; font-size: 9px; line-height: 1.6; }
.theme-research-publication-photo figcaption > span { flex: 0 0 auto; color: #a9d8f2; font-size: 8px; font-weight: 850; white-space: nowrap; }

.theme-learning-perspectives-heading {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.theme-learning-perspectives-heading h2,
.theme-student-development h2,
.theme-development-platform h2,
.theme-course-practice h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(24px, 2.8vw, 33px);
  line-height: 1.42;
  letter-spacing: -.035em;
}

.theme-learning-perspectives-heading > p {
  max-width: 46em;
  margin: 0;
  color: #4a667a;
  font-size: 14px;
  line-height: 1.85;
}

.theme-learning-perspectives-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 5vw, 64px);
  margin-top: clamp(28px, 4vw, 42px);
}

.theme-learning-perspectives-grid article {
  min-width: 0;
}

.theme-learning-perspectives-grid article > span,
.theme-student-development-copy > span,
.theme-development-platform-copy > span,
.theme-course-practice > div:first-child > span {
  color: #0877bd;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .06em;
}

.theme-learning-perspectives-grid h3 {
  margin: 8px 0 0;
  color: #153e5d;
  font-size: clamp(19px, 2vw, 23px);
  line-height: 1.5;
}

.theme-learning-perspectives-grid p {
  margin: 12px 0 0;
  color: #496579;
  font-size: 14px;
  line-height: 1.9;
}

.theme-student-development,
.theme-development-platform {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
  gap: clamp(30px, 6vw, 72px);
  color: #eaf6ff;
  background:
    radial-gradient(circle at 93% 12%, rgba(107, 198, 255, .2), transparent 29%),
    linear-gradient(135deg, #0b2c47, #124f79);
  box-shadow: 0 16px 36px rgba(10, 43, 69, .16);
}

.theme-student-development-copy > span,
.theme-development-platform-copy > span {
  color: #9edcff;
}

.theme-student-development h2,
.theme-development-platform h2 {
  margin-top: 8px;
  color: #fff;
}

.theme-student-development-copy > p,
.theme-development-platform-copy > p {
  margin: 15px 0 0;
  color: #dcecf6;
  font-size: 14px;
  line-height: 1.9;
}

.theme-student-development-copy > small,
.theme-development-platform-copy > small {
  display: block;
  margin-top: 17px;
  color: #acd7ef;
  font-size: 11px;
  line-height: 1.75;
}

.theme-student-development-copy .theme-student-development-credit {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  margin-top: 18px;
  color: #fff;
}

.theme-student-development-credit span {
  padding: 4px 8px;
  color: #082c47;
  background: #aee2ff;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 900;
}

.theme-student-development-credit strong {
  font-size: 14px;
}

.theme-student-development-credit a {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: #fff;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.theme-student-development-credit a:hover {
  color: #c9ecff;
}

.theme-student-development-credit a:focus-visible {
  outline: 2px solid #aee2ff;
  outline-offset: 4px;
}

.theme-student-development-credit i {
  font-style: normal;
}

.theme-student-development-records,
.theme-development-platform-records {
  display: grid;
  gap: 17px;
  align-content: center;
  margin: 0;
}

.theme-student-development-records > div,
.theme-development-platform-records > div {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 13px;
  align-items: start;
}

.theme-student-development-records dt,
.theme-development-platform-records dt {
  padding: 4px 7px;
  color: #082c47;
  background: #aee2ff;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 900;
  text-align: center;
}

.theme-student-development-records dd,
.theme-development-platform-records dd {
  margin: 0;
  color: #edf8ff;
  font-size: 13px;
  line-height: 1.75;
}

.theme-student-development > figure,
.theme-development-platform > figure {
  grid-column: 1 / -1;
  margin: 0;
}

.theme-student-development > figure img,
.theme-development-platform > figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 7px;
}

.theme-student-development > figure figcaption,
.theme-development-platform > figure figcaption {
  margin-top: 8px;
  color: #acd7ef;
  font-size: 10px;
}

.theme-student-development-gallery {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.theme-student-development-gallery figure {
  overflow: hidden;
  margin: 0;
  background: #071d30;
  border-radius: 7px;
}

.theme-student-development-gallery a {
  display: block;
  overflow: hidden;
  background: #061321;
}

.theme-student-development-gallery img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1800 / 1169;
  object-fit: cover;
  transition: opacity .18s ease, transform .18s ease;
}

.theme-student-development-gallery a:hover img {
  opacity: .92;
  transform: scale(1.01);
}

.theme-student-development-gallery a:focus-visible {
  outline: 3px solid #9edcff;
  outline-offset: -3px;
}

.theme-student-development-gallery figcaption {
  min-height: 58px;
  padding: 10px 12px;
  color: #dcecf6;
  font-size: 10px;
  line-height: 1.65;
}

.theme-course-practice {
  display: grid;
  grid-template-columns: minmax(260px, .78fr) minmax(0, 1.22fr);
  gap: clamp(30px, 6vw, 72px);
  align-items: start;
}

.theme-course-practice h2 {
  margin-top: 8px;
}

.theme-course-practice-body p {
  margin: 0;
  color: #496579;
  font-size: 14px;
  line-height: 1.95;
}

.theme-course-practice-body p + p {
  margin-top: 16px;
}

.theme-course-practice-link {
  display: inline-flex;
  gap: 12px;
  align-items: center;
  margin-top: 22px;
  color: #0d6dab;
  font-size: 12px;
  font-weight: 850;
}

.theme-course-practice-link i {
  font-size: 15px;
  font-style: normal;
}

/* 授業支援ツールでは、機能名を位置のずれではなく明確な小見出しとして見せる。 */
[data-theme="tools"] .theme-development-platform {
  grid-template-columns: 1fr;
  gap: 28px;
}

[data-theme="tools"] .theme-development-platform-copy {
  max-width: 56em;
}

[data-theme="tools"] .theme-development-platform-records {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 46px);
  align-items: start;
}

[data-theme="tools"] .theme-development-platform-records > div {
  display: block;
}

[data-theme="tools"] .theme-development-platform-records dt {
  padding: 0;
  color: #aee2ff;
  background: transparent;
  border-radius: 0;
  font-size: 15px;
  line-height: 1.5;
  text-align: left;
}

[data-theme="tools"] .theme-development-platform-records dd {
  margin-top: 8px;
}

[data-theme="tools"] .theme-course-practice {
  grid-template-columns: 1fr;
  gap: 24px;
}

[data-theme="tools"] .theme-course-practice-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(26px, 5vw, 54px);
}

[data-theme="tools"] .theme-course-practice-body p + p {
  margin-top: 0;
}

.theme-photo-story-heading,
.theme-teaching-approach-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 420px);
  gap: 28px;
  align-items: end;
  margin-bottom: 21px;
}

.theme-photo-story-heading h2,
.theme-teaching-approach-heading h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(23px, 2.7vw, 31px);
  line-height: 1.45;
  letter-spacing: -.035em;
}

.theme-photo-story-heading p,
.theme-teaching-approach-heading p {
  margin: 0;
  color: #4a667a;
  font-size: 13px;
  line-height: 1.8;
}

.theme-photo-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.theme-photo-gallery figure {
  overflow: hidden;
  margin: 0;
  background: #0a233a;
  border-radius: 7px;
}

.theme-photo-gallery figure:first-child {
  grid-column: 1 / -1;
}

.theme-photo-gallery a {
  display: block;
  overflow: hidden;
}

.theme-photo-gallery img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3.2 / 1;
  object-fit: cover;
  transition: transform .2s ease, opacity .2s ease;
}

.theme-photo-gallery .theme-photo-gallery-16-9 img {
  aspect-ratio: 16 / 9;
}

.theme-photo-gallery figure.theme-photo-gallery-wide {
  grid-column: 1 / -1;
}

.theme-photo-gallery-standard figure:first-child,
.theme-photo-gallery-four-three figure:first-child {
  grid-column: auto;
}

.theme-photo-gallery-standard img,
.theme-photo-gallery-four-three img,
.theme-photo-gallery-single img {
  aspect-ratio: 16 / 9;
}

.theme-photo-gallery-single {
  grid-template-columns: minmax(0, 760px);
}

.theme-photo-gallery-single figure:first-child {
  grid-column: auto;
}

.theme-photo-gallery a:hover img {
  opacity: .92;
  transform: scale(1.012);
}

.theme-photo-gallery a:focus-visible {
  outline: 3px solid #69bfff;
  outline-offset: -3px;
}

.theme-photo-gallery figcaption {
  padding: 10px 12px;
  color: #edf7ff;
  font-size: 11px;
  line-height: 1.5;
}

.theme-featured-material {
  width: min(100%, 1040px);
  margin: 28px auto 0;
  padding: clamp(28px, 4vw, 44px);
  color: var(--navy-950);
  background: #eef6fb;
  border-radius: 9px;
  box-shadow: 0 14px 34px rgba(16, 58, 88, .09);
  scroll-margin-top: 96px;
}

.theme-featured-material-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr);
  gap: clamp(30px, 6vw, 66px);
  align-items: start;
}

.theme-featured-material-intro > div > span {
  display: block;
  margin-bottom: 8px;
  color: #0877bd;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
}

.theme-featured-material h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.4;
  letter-spacing: -.035em;
}

.theme-featured-material-intro > div > p {
  margin: 18px 0 0;
  color: #405f74;
  font-size: 14px;
  line-height: 1.9;
}

.theme-featured-material dl {
  display: grid;
  gap: 0;
  margin: 0;
}

.theme-featured-material dl > div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid #c8dce8;
}

.theme-featured-material dl > div:first-child {
  padding-top: 0;
}

.theme-featured-material dt {
  color: #0877bd;
  font-size: 11px;
  font-weight: 800;
}

.theme-featured-material dd {
  margin: 0;
  color: #34566e;
  font-size: 12px;
  line-height: 1.75;
}

.theme-featured-material-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: clamp(28px, 4vw, 40px);
}

.theme-featured-material-gallery figure {
  overflow: hidden;
  margin: 0;
  background: #123e65;
  border-radius: 7px;
}

.theme-featured-material-gallery a {
  display: block;
  overflow: hidden;
}

.theme-featured-material-gallery img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .2s ease, opacity .2s ease;
}

.theme-featured-material-gallery a:hover img {
  opacity: .92;
  transform: scale(1.012);
}

.theme-featured-material-gallery a:focus-visible {
  outline: 3px solid #69bfff;
  outline-offset: -3px;
}

.theme-featured-material-gallery figcaption {
  min-height: 54px;
  padding: 10px 12px;
  color: #edf7ff;
  font-size: 11px;
  line-height: 1.5;
}

.theme-featured-material-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.theme-featured-material-links > a {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 16px;
  color: #fff;
  background: #123e65;
  border-radius: 6px;
  transition: background .18s ease, transform .18s ease;
}

.theme-featured-material-links > a:hover,
.theme-featured-material-links > a:focus-visible {
  color: #fff;
  background: #0877bd;
  transform: translateY(-1px);
}

.theme-featured-material-links > a:focus-visible {
  outline: 3px solid #69bfff;
  outline-offset: 2px;
}

.theme-featured-material-links span {
  display: grid;
  gap: 3px;
}

.theme-featured-material-links small {
  color: #acdfff;
  font-size: 10px;
  font-weight: 700;
}

.theme-featured-material-links strong {
  font-size: 13px;
}

.theme-featured-material-links i {
  font-size: 16px;
  font-style: normal;
}

.theme-related-project {
  width: min(100%, 1040px);
  margin: 16px auto 0;
}

.theme-related-project > a {
  display: grid;
  grid-template-columns: minmax(210px, .56fr) minmax(0, 1.44fr) auto;
  min-height: 152px;
  align-items: stretch;
  overflow: hidden;
  color: inherit;
  background: #dfeef7;
  border-radius: 9px;
  transition: background .18s ease, transform .18s ease;
}

.theme-related-project > a:hover,
.theme-related-project > a:focus-visible {
  color: inherit;
  background: #d4e9f5;
  transform: translateY(-2px);
}

.theme-related-project > a:focus-visible {
  outline: 3px solid #69bfff;
  outline-offset: 3px;
}

.theme-related-project figure {
  overflow: hidden;
  margin: 0;
  background: #0a233a;
}

.theme-related-project img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .2s ease;
}

.theme-related-project > a:hover img {
  transform: scale(1.015);
}

.theme-related-project-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: center;
  padding: 20px clamp(20px, 3vw, 34px);
}

.theme-related-project-copy small {
  color: #0d6dab;
  font-size: 10px;
  font-weight: 850;
}

.theme-related-project-copy strong {
  margin-top: 6px;
  color: var(--navy-950);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.5;
}

.theme-related-project-copy > span {
  margin-top: 7px;
  color: #496579;
  font-size: 12px;
  line-height: 1.7;
}

.theme-related-project-action {
  display: flex;
  min-width: 140px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 20px;
  color: #173e5c;
  background: rgba(255, 255, 255, .48);
  font-size: 11px;
  font-weight: 850;
  white-space: nowrap;
}

.theme-related-project-action i {
  color: #0877bd;
  font-size: 18px;
  font-style: normal;
}

.theme-teaching-media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.theme-teaching-more-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin-top: 12px;
  padding: 15px 18px;
  color: inherit;
  background: #e8f3f9;
  border-radius: 5px;
}

.theme-teaching-more-link:hover,
.theme-teaching-more-link:focus-visible {
  color: inherit;
  background: #d9ecf6;
}

.theme-teaching-more-link > span {
  display: grid;
  grid-template-columns: 72px minmax(100px, auto) minmax(0, 1fr);
  gap: 7px 15px;
  align-items: baseline;
}

.theme-teaching-more-link small {
  color: #337a9f;
  font-size: 9px;
  font-weight: 850;
}

.theme-teaching-more-link strong {
  color: #123d5d;
  font-size: 14px;
}

.theme-teaching-more-link em {
  color: #536f82;
  font-size: 10.5px;
  font-style: normal;
  line-height: 1.7;
}

.theme-teaching-more-link > i {
  color: #1671a8;
  font-size: 17px;
  font-style: normal;
}

.theme-teaching-media-card {
  overflow: hidden;
  background: #f1f7fb;
  border-radius: 8px;
}

.theme-teaching-video-frame,
.theme-teaching-video-image {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #071321;
}

.theme-teaching-video-frame iframe,
.theme-teaching-video-image img {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
}

.theme-teaching-video-image::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 42%, rgba(3, 18, 34, .48));
  content: "";
}

.theme-teaching-video-image > span {
  position: absolute;
  z-index: 2;
  right: 16px;
  bottom: 14px;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  padding-left: 2px;
  color: #fff;
  background: rgba(4, 29, 55, .84);
  border: 1px solid rgba(255, 255, 255, .66);
  border-radius: 50%;
  font-size: 13px;
}

.theme-teaching-media-copy {
  padding: 18px;
}

.theme-teaching-media-copy > span,
.theme-featured-project-heading > span {
  color: #0d6dab;
  font-size: 10px;
  font-weight: 850;
  letter-spacing: .04em;
}

.theme-teaching-media-copy h3 {
  margin: 7px 0 0;
  color: var(--navy-950);
  font-size: 18px;
  line-height: 1.55;
}

.theme-teaching-media-copy p {
  margin: 8px 0 0;
  color: #4a667a;
  font-size: 13px;
  line-height: 1.75;
}

.theme-teaching-media-copy a,
.theme-featured-project-youtube {
  display: inline-flex;
  min-height: 36px;
  align-items: center;
  gap: 15px;
  margin-top: 14px;
  padding: 7px 11px;
  color: #fff;
  background: #123e65;
  border-radius: 5px;
  font-size: 10px;
  font-weight: 800;
}

.theme-teaching-media-copy a:hover,
.theme-teaching-media-copy a:focus-visible,
.theme-featured-project-youtube:hover,
.theme-featured-project-youtube:focus-visible {
  color: #fff;
  background: #0877bd;
  transform: translateY(-1px);
}

.theme-teaching-media-copy a i,
.theme-featured-project-youtube i {
  font-style: normal;
}

.theme-featured-project {
  scroll-margin-top: 96px;
}

.theme-featured-project-heading {
  display: grid;
  grid-template-columns: minmax(260px, .76fr) minmax(0, 1.24fr);
  gap: 7px clamp(28px, 5vw, 64px);
  align-items: start;
  margin-bottom: 22px;
}

.theme-featured-project-heading > span,
.theme-featured-project-heading h2 {
  grid-column: 1;
}

.theme-featured-project-heading h2 {
  margin: 0;
  color: var(--navy-950);
  font-size: clamp(24px, 2.5vw, 32px);
  line-height: 1.45;
  letter-spacing: -.035em;
}

.theme-featured-project-heading > p {
  grid-column: 2;
  grid-row: 1 / span 2;
  margin: 0;
  color: #4a667a;
  font-size: 14px;
  line-height: 1.85;
}

.theme-featured-project-heading .theme-featured-project-credit {
  grid-column: 2;
  grid-row: 3;
  display: flex;
  gap: 9px;
  align-items: center;
  margin-top: 4px;
  color: var(--navy-800);
  font-size: 11px;
  line-height: 1.5;
}

.theme-featured-project-credit span {
  color: #587187;
  font-size: 9px;
  font-weight: 800;
}

.theme-featured-project-credit strong {
  font-weight: 850;
}

.theme-featured-project-heading .tag-list {
  grid-column: 1 / -1;
  margin-top: 7px;
}

.theme-featured-project-media {
  display: grid;
  grid-template-columns: minmax(0, 1.34fr) minmax(280px, .66fr);
  gap: 12px;
  align-items: stretch;
}

.theme-featured-project-video {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #071321;
  border-radius: 8px;
}

.theme-featured-project-video iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.theme-featured-project-photo {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  overflow: hidden;
  margin: 0;
  background: #071321;
  border-radius: 8px;
}

.theme-featured-project-photo a {
  display: block;
  min-height: 0;
  overflow: hidden;
}

.theme-featured-project-photo img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
}

.theme-featured-project-photo figcaption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  color: #edf7ff;
  font-size: 10px;
  line-height: 1.55;
}

.theme-featured-project-photo figcaption span {
  flex: 0 0 auto;
  color: #9dd6ff;
  font-size: 9px;
  font-weight: 800;
  white-space: nowrap;
}

.research-detail-page .subpage-bottom-nav {
  width: min(100%, 1040px);
  margin-top: 34px;
  padding-top: 0;
  border-top: 0;
}

.research-detail-page .subpage-bottom-nav a {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  padding: 8px 13px;
  color: #214c6b;
  background: #e0edf5;
  border-radius: 6px;
  font-size: 11px;
}

.research-detail-page .subpage-bottom-nav a:hover,
.research-detail-page .subpage-bottom-nav a:focus-visible {
  color: #fff;
  background: #0877bd;
}

@media (min-width: 761px) and (max-width: 1180px) {
  .theme-hero-layout,
  .theme-hero-layout-photo {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .theme-hero-photo,
  .theme-symbol {
    width: min(100%, 680px);
  }

  .theme-hero-photo img {
    height: 300px;
  }

  .theme-hero-photo-contain img {
    height: 230px;
  }

  .theme-symbol {
    min-height: 210px;
  }

  .research-detail-layout {
    grid-template-columns: 1fr;
  }

  .research-related-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .research-related-contact {
    width: fit-content;
    min-width: 260px;
  }

  .theme-photo-story-heading,
  .theme-teaching-approach-heading {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .theme-learning-perspectives-grid,
  .theme-research-publication,
  .theme-featured-material-intro,
  .theme-student-development,
  .theme-development-platform,
  .theme-course-practice {
    grid-template-columns: 1fr;
  }

  .theme-featured-material-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .theme-student-development,
  .theme-development-platform,
  .theme-course-practice {
    gap: 24px;
  }

  .theme-student-development-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  [data-theme="tools"] .theme-development-platform-records,
  [data-theme="tools"] .theme-course-practice-body {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .theme-related-project > a {
    grid-template-columns: 150px minmax(0, 1fr);
    min-height: 136px;
  }

  .theme-related-project-action {
    grid-column: 1 / -1;
    min-width: 0;
    justify-content: flex-end;
    padding: 9px 16px;
  }
}

@media (min-width: 761px) and (max-width: 1024px) {
  [data-theme="pictogram"] .research-core-activity {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
}

@media (max-width: 760px) {
  .research-detail-page .subpage-hero {
    padding-bottom: 36px;
  }

  .theme-hero-layout,
  .theme-hero-layout-photo {
    grid-template-columns: 1fr;
    gap: 22px;
    margin-top: 18px;
  }

  .research-detail-page .subpage-hero h1 {
    font-size: 31px;
  }

  .research-detail-page .subpage-lead {
    margin-top: 13px;
    font-size: 14px;
    line-height: 1.85;
  }

  .theme-keywords {
    gap: 5px 14px;
    margin-top: 15px;
  }

  .theme-hero-photo {
    border-radius: 8px;
  }

  .theme-hero-photo img {
    height: 205px;
  }

  .theme-hero-photo-contain img {
    height: 155px;
    padding: 18px;
  }

  .theme-symbol {
    min-height: 160px;
    border-radius: 8px;
  }

  .theme-symbol strong {
    font-size: 44px;
  }

  .theme-symbol > span {
    font-size: 50px;
  }

  .research-detail-page .subpage-section {
    padding-top: 30px;
    padding-bottom: 54px;
  }

  .research-detail-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .research-overview,
  .research-activities,
  .research-related,
  .theme-photo-story,
  .theme-teaching-approach,
  .theme-featured-project,
  .theme-featured-material,
  .theme-learning-perspectives,
  .theme-research-publication,
  .theme-student-development,
  .theme-development-platform,
  .theme-course-practice {
    padding: 21px;
    border-radius: 7px;
  }

  .research-overview p {
    font-size: 15px;
    line-height: 1.9;
  }

  .research-activities ul,
  .research-related-links,
  .theme-photo-gallery,
  .theme-teaching-media-grid {
    grid-template-columns: 1fr;
  }

  .research-activities li {
    min-height: 0;
  }

  [data-theme="info-education"] .research-activities li:last-child:nth-child(odd) {
    grid-column: auto;
  }

  .research-core-activity {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px 21px;
  }

  .research-core-activity header > p { margin-top: 14px; }
  .research-core-activity h2 { font-size: 22px; }
  .research-core-activity > div > p { font-size: 13px; line-height: 1.85; }
  .research-core-activity > div > a { width: 100%; margin-top: 18px; }

  .research-related-contact {
    width: 100%;
  }

  .theme-photo-story,
  .theme-teaching-approach,
  .theme-featured-project,
  .theme-featured-material,
  .theme-learning-perspectives,
  .theme-research-publication,
  .theme-student-development,
  .theme-development-platform,
  .theme-course-practice {
    margin-top: 18px;
  }

  .theme-learning-perspectives-heading,
  .theme-research-publication,
  .theme-learning-perspectives-grid,
  .theme-featured-material-intro,
  .theme-student-development,
  .theme-development-platform,
  .theme-course-practice {
    grid-template-columns: 1fr;
  }

  .theme-featured-material-gallery,
  .theme-featured-material-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .theme-featured-material dl > div {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 10px;
  }

  .theme-featured-material h2 {
    font-size: 23px;
  }

  .theme-learning-perspectives-heading,
  .theme-course-practice,
  .theme-student-development,
  .theme-development-platform {
    gap: 18px;
  }

  .theme-learning-perspectives-grid {
    gap: 26px;
    margin-top: 27px;
  }

  .theme-learning-perspectives-grid p,
  .theme-student-development-copy > p,
  .theme-development-platform-copy > p,
  .theme-course-practice-body p {
    font-size: 13px;
    line-height: 1.85;
  }

  .theme-student-development-records > div,
  .theme-development-platform-records > div {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 11px;
  }

  .theme-student-development-gallery {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(250px, 84%);
    gap: 10px;
    overflow-x: auto;
    padding: 0 0 8px;
    scroll-snap-type: x proximity;
    overscroll-behavior-inline: contain;
  }

  .theme-student-development-gallery figure {
    scroll-snap-align: start;
  }

  .theme-student-development-gallery figcaption {
    min-height: 54px;
  }

  [data-theme="tools"] .theme-development-platform-records,
  [data-theme="tools"] .theme-course-practice-body {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  [data-theme="tools"] .theme-development-platform-records > div {
    display: block;
  }

  .theme-photo-story-heading,
  .theme-teaching-approach-heading,
  .theme-featured-project-heading {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 18px;
  }

  .theme-teaching-more-link { padding: 14px 15px; }
  .theme-teaching-more-link > span { grid-template-columns: 1fr; gap: 3px; }

  .theme-photo-gallery figure:first-child {
    grid-column: auto;
  }

  .theme-featured-project-heading > span,
  .theme-featured-project-heading h2,
  .theme-featured-project-heading > p,
  .theme-featured-project-heading .theme-featured-project-credit,
  .theme-featured-project-heading .tag-list {
    grid-column: 1;
    grid-row: auto;
  }

  .theme-featured-project-heading > p {
    margin-top: 5px;
    font-size: 12px;
  }

  .theme-featured-project-media {
    grid-template-columns: 1fr;
  }

  .theme-featured-project-photo {
    grid-template-columns: 112px minmax(0, 1fr);
    grid-template-rows: auto;
    align-items: center;
  }

  .theme-featured-project-photo a {
    height: 100%;
  }

  .theme-featured-project-photo img {
    aspect-ratio: 1;
  }

  .theme-featured-project-photo figcaption {
    display: block;
  }

  .theme-featured-project-photo figcaption span {
    display: block;
    margin-top: 5px;
  }

  .theme-related-project {
    margin-top: 12px;
  }

  .theme-related-project > a {
    grid-template-columns: 108px minmax(0, 1fr);
    min-height: 118px;
  }

  .theme-related-project-copy {
    padding: 13px 14px;
  }

  .theme-related-project-copy strong {
    margin-top: 4px;
    font-size: 15px;
  }

  .theme-related-project-copy > span {
    display: -webkit-box;
    overflow: hidden;
    margin-top: 4px;
    font-size: 10px;
    line-height: 1.6;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .theme-related-project-action {
    grid-column: 1 / -1;
    min-width: 0;
    justify-content: flex-end;
    padding: 8px 13px;
    font-size: 10px;
  }

  .research-detail-page .subpage-bottom-nav {
    gap: 8px;
    margin-top: 24px;
  }

  .research-detail-page .subpage-bottom-nav a {
    justify-content: center;
    text-align: center;
  }
}