.research-hub .research-directory {
  width: min(calc(100% - 48px), 780px);
}
.research-hub .page-hero p {
  max-width: 735px;
}
.research-hub .research-category + .research-category {
  margin-top: 56px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}
.research-hub .research-category > h2 {
  margin: 0 0 12px;
  padding: 5px 0 5px 17px;
  border-left: 3px solid var(--accent);
  font-size: clamp(1.4rem, 2.8vw, 1.7rem);
  line-height: 1.3;
  letter-spacing: -.035em;
}
.research-hub .research-entry {
  padding: 23px 0 25px;
  border-top: 1px solid var(--line-soft);
}
.research-hub .research-entry:first-of-type {
  padding-top: 21px;
  border-top: 0;
}
.research-hub .research-entry h3 {
  margin: 0 0 4px;
  font-size: 1.34rem;
  line-height: 1.3;
  letter-spacing: -.025em;
}
.research-hub .research-subtitle {
  margin: 0 0 17px;
  color: var(--muted);
  font-size: .84rem;
}
.research-hub .research-question {
  margin: 0 0 17px;
  color: var(--body);
  font-size: .95rem;
  line-height: 1.62;
}
.research-hub .research-question strong,
.research-hub .research-limitation strong {
  color: var(--text);
  font-weight: 650;
}
.research-hub .research-entry h4 {
  margin: 0 0 6px;
  color: var(--text);
  font-size: .88rem;
  font-weight: 650;
}
.research-hub .research-entry ul {
  margin: 0 0 17px;
  padding-left: 20px;
  color: var(--body);
  font-size: .92rem;
  line-height: 1.62;
}
.research-hub .research-entry li + li {
  margin-top: 5px;
}
.research-hub .research-entry a {
  color: var(--text);
  text-underline-offset: 3px;
}
.research-hub .research-limitation {
  margin: 0 0 12px;
  color: var(--body);
  font-size: .91rem;
  line-height: 1.6;
}
.research-hub .research-skills,
.research-hub .research-source {
  margin: 0;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.6;
}
.research-hub .research-source {
  margin-top: 4px;
}
.research-hub .research-related {
  margin: 10px 0 0;
  padding: 19px 0 2px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: .85rem;
}
.research-hub .research-related a {
  color: var(--text);
  text-underline-offset: 3px;
}
@media (max-width: 680px) {
  .research-hub .research-directory {
    width: min(calc(100% - 30px), 780px);
  }
  .research-hub .research-category + .research-category {
    margin-top: 44px;
    padding-top: 29px;
  }
  .research-hub .research-category > h2 {
    padding-left: 13px;
  }
  .research-hub .research-entry {
    padding: 19px 0 21px;
  }
}