.research-page {
  background: #eef1f6;
  color: #202536;
}

.research-page #content *,
.research-page #content *::before,
.research-page #content *::after {
  box-sizing: border-box;
}

.research-page #content {
  overflow-wrap: anywhere;
}

.research-page #content p {
  line-height: 1.8;
}

.research-page #content li {
  line-height: 1.75;
}

.research-page a {
  text-underline-offset: 0.18em;
}

.research-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(230px, 0.65fr);
  gap: 1.5rem;
  align-items: center;
  margin: 1.25rem 0 1.5rem 1rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  border-radius: 10px;
  background: linear-gradient(135deg, #182348 0%, #304f72 100%);
  color: #fff;
}

.research-eyebrow,
.section-kicker {
  display: block;
  margin: 0 0 0.35rem;
  color: #4c677f;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.research-hero .research-eyebrow {
  color: #c9d7e8;
}

.research-hero h1 {
  margin: 0 0 0.8rem;
  color: #fff;
  font-size: clamp(1.85rem, 3.4vw, 2.55rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.research-hero p {
  margin: 0.55rem 0 0;
}

.research-hero-summary {
  color: #f2f5fa;
  font-size: 1.03rem;
  font-weight: 700;
}

.hero-image-panel {
  display: grid;
  place-items: center;
  width: 100%;
  max-height: 360px;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 9px;
  background: #fff;
}

.hero-image-panel img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.research-toc {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  margin: 1.5rem 0 2.8rem 1rem;
  padding: 0.8rem 1rem;
  border: 1px solid #d8dde7;
  border-radius: 7px;
  background: #f7f8fa;
  color: #5b6475;
}

.research-toc-title {
  flex: 0 0 auto;
  color: #25345f;
  font-size: 0.86rem;
  font-weight: 800;
}

.research-toc ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.research-toc li {
  margin: 0;
}

.research-toc a {
  color: #485974;
  font-size: 0.86rem;
  text-decoration: none;
}

.research-toc a:hover {
  color: #0d6370;
  text-decoration: underline;
}

.research-section {
  margin-top: 3.8rem;
  scroll-margin-top: 1rem;
}

.section-heading {
  margin: 0 0 1.2rem 1rem;
  padding-left: 1rem;
  border-left: 5px solid #1e6f7b;
}

.section-heading h2,
.evidence-section h2 {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: #1d2b4e;
  font-size: clamp(1.35rem, 2.4vw, 1.72rem);
  line-height: 1.4;
}

.section-heading p {
  max-width: 55rem;
  margin: 0.35rem 0 0;
  color: #4d586c;
}

.framework-map {
  margin-left: 1rem;
  padding: clamp(1rem, 2.5vw, 1.5rem);
  border: 1px solid #d9dee7;
  border-radius: 10px;
  background: #fff;
}

.framework-label {
  margin: 0 0 0.65rem;
  color: #334463;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.core-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.framework-card {
  overflow: hidden;
  border: 1px solid #d5dae4;
  border-radius: 8px;
  background: #fff;
}

.core-card {
  border-top: 5px solid #26365f;
}

.framework-visual {
  display: grid;
  place-items: center;
  height: 195px;
  overflow: hidden;
  padding: 10px;
  border-bottom: 1px solid #e5e8ee;
  background: #fbfcfd;
}

.framework-visual img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.core-card .framework-visual {
  display: flex;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  align-items: center;
  justify-content: center;
  padding: 12px;
}

.core-card .framework-visual img {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  object-fit: contain;
  object-position: center;
}

.framework-body {
  padding: 1rem 1.1rem 1.1rem;
}

.framework-body h3,
.foundation-band h3,
.breadth-heading h3,
.approach-flow h3,
.cta-grid h3 {
  margin: 0.25rem 0 0.55rem;
  padding: 0;
  border: 0;
  background: none;
  color: #24345d;
  font-size: 1.08rem;
  line-height: 1.45;
}

.framework-body p,
.foundation-band p {
  margin: 0.55rem 0 0;
}

.theme-code,
.tag-row span {
  display: inline-block;
  border-radius: 999px;
  background: #25345f;
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  line-height: 1;
}

.theme-code {
  padding: 0.43rem 0.58rem;
}

.theme-heading-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin-bottom: 0.15rem;
}

.theme-divider {
  width: 2px;
  height: 1.05rem;
  background: #b86713;
}

.theme-name-en {
  color: #25345f;
  font-size: 0.9rem;
  font-weight: 800;
  line-height: 1.3;
}

.theme-role {
  margin-left: 0.5rem;
  color: #667184;
  font-size: 0.74rem;
  font-weight: 700;
}

.theme-heading-meta .theme-role {
  margin-left: 0.2rem;
}

.theme-question {
  color: #31425d;
  font-weight: 700;
}

.keyword-line {
  padding-top: 0.65rem;
  border-top: 1px solid #e3e6ec;
  color: #5c6575;
  font-size: 0.86rem;
}

.framework-flow {
  position: relative;
  display: grid;
  place-items: center;
  height: 54px;
  color: #677386;
  font-size: 0.75rem;
  font-weight: 700;
}

.framework-flow::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 12px;
  left: 50%;
  width: 1px;
  background: #9aa8b7;
}

.framework-flow::after {
  content: "";
  position: absolute;
  bottom: 8px;
  left: calc(50% - 4px);
  width: 8px;
  height: 8px;
  border-right: 1px solid #9aa8b7;
  border-bottom: 1px solid #9aa8b7;
  transform: rotate(45deg);
}

.framework-flow span {
  position: relative;
  z-index: 1;
  padding: 0.2rem 0.6rem;
  background: #fff;
}

.expansion-card {
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) minmax(0, 1fr);
  border-left: 5px solid #708363;
  background: #fafbf7;
}

.compact-visual {
  height: auto;
  min-height: 190px;
  border-right: 1px solid #e3e7df;
  border-bottom: 0;
  background: #fff;
}

.expansion-card .theme-code {
  background: #627554;
}

.foundation-band {
  display: grid;
  grid-template-columns: 155px minmax(0, 1fr);
  gap: 1rem;
  align-items: center;
  margin-top: 1rem;
  padding: 1rem 1.15rem;
  border: 1px solid #9cc3c5;
  border-left: 6px solid #176c72;
  border-radius: 8px;
  background: #edf7f7;
}

.foundation-icon {
  display: grid;
  place-items: center;
  height: 120px;
  overflow: hidden;
}

.foundation-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.foundation-band .theme-code {
  background: #176c72;
}

.subsection-title {
  margin: 1.35rem 0 0.75rem 1rem;
  padding: 0;
  border: 0;
  background: none;
  color: #25345f;
  font-size: 1.08rem;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-left: 1rem;
}

.highlight-card {
  position: relative;
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid #d4dae4;
  border-radius: 8px;
  background: #fff;
}

.project-number {
  display: grid;
  place-items: start center;
  padding-top: 1.1rem;
  background: #25345f;
  color: #d7dfed;
  font-size: 0.86rem;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.highlight-content {
  padding: 1rem 1.05rem 1.1rem;
}

.highlight-content h4,
.breadth-list h4 {
  margin: 0.45rem 0 0.25rem;
  color: #25345f;
  font-size: 1.04rem;
  line-height: 1.45;
}

.highlight-content p {
  margin: 0.55rem 0 0;
}

.project-subtitle {
  color: #5f6a7d;
  font-size: 0.88rem;
  font-weight: 700;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}

.tag-row span {
  padding: 0.33rem 0.47rem;
  background: #e8edf4;
  color: #31415d;
}

.breadth-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin: 2rem 0 0 1rem;
  padding: 1.3rem;
  border: 1px solid #d8dde6;
  border-radius: 9px;
  background: #f8f9fb;
}

.breadth-heading {
  grid-column: 1 / -1;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid #d8dde6;
}

.breadth-heading h3 {
  font-size: 1.2rem;
}

.breadth-heading p {
  color: #596476;
}

.breadth-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 1.1rem;
}

.breadth-list article {
  padding: 0.8rem 0;
  border-bottom: 1px solid #dde2ea;
}

.breadth-list article:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.breadth-list p {
  margin: 0.3rem 0 0;
  color: #505b6d;
  font-size: 0.92rem;
}

.approach-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 0 0 1rem;
  padding: 0;
  border-top: 1px solid #b7c2d0;
  list-style: none;
}

.approach-flow li {
  position: relative;
  margin: 0;
  padding: 1.2rem 1rem 0 0;
}

.approach-flow li::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #1d707a;
}

.approach-number {
  color: #77919b;
  font-size: 0.8rem;
  font-weight: 800;
}

.approach-flow h3 {
  margin-top: 0.2rem;
  font-size: 1rem;
}

.approach-flow p {
  margin: 0.25rem 0 0;
  color: #4e596b;
  font-size: 0.9rem;
}

.collaboration-note {
  margin: 1.35rem 0 0 1rem;
  padding: 0.9rem 1rem;
  border-left: 4px solid #94a1b3;
  background: #f4f6f8;
  color: #4f5969;
}

.evidence-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.2rem;
  align-items: center;
  margin-left: 1rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid #d7dce5;
  border-radius: 8px;
  background: #fff;
}

.evidence-section p {
  margin: 0.4rem 0 0;
}

.evidence-links,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.research-button {
  display: inline-block;
  padding: 0.6rem 0.85rem;
  border: 1px solid #1f315b;
  border-radius: 5px;
  background: #1f315b;
  color: #fff;
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
}

.research-button.secondary {
  background: #fff;
  color: #1f315b;
}

.research-button:hover {
  background: #176c72;
  border-color: #176c72;
  color: #fff;
}

.join-section {
  margin-left: 1rem;
  padding: clamp(1.2rem, 3vw, 1.8rem);
  border-radius: 10px;
  background: linear-gradient(135deg, #182348, #304f72);
  color: #fff;
}

.section-heading-light {
  margin-left: 0;
  border-left-color: #77c3c8;
}

.section-heading-light .section-kicker,
.cta-label {
  color: #bcd8db;
}

.section-heading-light h2 {
  color: #fff;
}

.cta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.cta-grid article {
  padding: 1.1rem 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
}

.cta-grid h3 {
  color: #fff;
}

.cta-grid p {
  margin: 0.5rem 0 0;
}

.cta-label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.research-button.light {
  border-color: #fff;
  background: #fff;
  color: #20325b;
}

.research-button.light:hover {
  border-color: #c8eef0;
  background: #c8eef0;
  color: #17354d;
}

@media (max-width: 900px) {
  .research-hero {
    grid-template-columns: minmax(0, 1.2fr) minmax(210px, 0.65fr);
  }

  .approach-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    border-top: 0;
  }

  .approach-flow li {
    padding: 0.9rem 0.8rem 0;
    border-top: 1px solid #b7c2d0;
  }
}

@media (max-width: 820px) {
  .research-hero,
  .core-grid,
  .highlight-grid,
  .cta-grid {
    grid-template-columns: 1fr;
  }

  .hero-image-panel {
    width: min(300px, 100%);
    height: auto;
    max-height: none;
    margin: 0 auto;
    aspect-ratio: auto;
    overflow: visible;
  }

  .hero-image-panel img {
    display: block;
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
  }

  .expansion-card,
  .foundation-band {
    grid-template-columns: 1fr;
  }

  .compact-visual {
    min-height: 180px;
    border-right: 0;
    border-bottom: 1px solid #e3e7df;
  }

  .foundation-icon {
    height: 150px;
  }

  .breadth-list {
    grid-template-columns: 1fr;
  }

  .breadth-list article:nth-last-child(2) {
    border-bottom: 1px solid #dde2ea;
  }

  .evidence-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .research-page #content {
    padding-right: 12px;
    padding-left: 12px;
  }

  .research-hero,
  .research-toc,
  .section-heading,
  .framework-map,
  .subsection-title,
  .highlight-grid,
  .breadth-panel,
  .approach-flow,
  .collaboration-note,
  .evidence-section,
  .join-section {
    margin-left: 0;
  }

  .research-hero {
    padding: 1rem;
  }

  .research-toc {
    display: block;
  }

  .research-toc-title {
    display: block;
    margin-bottom: 0.35rem;
  }

  .research-toc ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.25rem 0.8rem;
  }

  .framework-map,
  .breadth-panel {
    padding: 0.8rem;
  }

  .framework-visual {
    height: 170px;
  }

  .highlight-card {
    grid-template-columns: 2.5rem minmax(0, 1fr);
  }

  .approach-flow {
    grid-template-columns: 1fr;
  }

  .evidence-links {
    display: grid;
  }

  .research-button {
    text-align: center;
  }
}