.research-field-head {
  margin-bottom: 30px;
  padding: 30px 32px;
  border: 1px solid #e6e6e6;
  border-radius: 14px;
  background: rgba(255,255,255,.87);
}

.research-field-kicker {
  margin-bottom: 8px;
  color: #49b1f5;
  font-size: .82em;
  font-weight: 700;
  letter-spacing: .08em;
}

.research-field-title {
  margin-bottom: 8px;
  font-size: 2em;
  font-weight: 750;
}

.research-field-en {
  margin-bottom: 16px;
  font-size: .9em;
  opacity: .52;
}

.research-field-lead {
  max-width: 850px;
  font-size: 1.06em;
  line-height: 1.95;
}

.research-field-note {
  margin: 24px 0 34px;
  padding: 19px 21px;
  border-left: 4px solid #49b1f5;
  border-radius: 8px;
  background: rgba(73,177,245,.08);
  line-height: 1.9;
}

.research-field-axis {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 14px;
  margin: 24px 0 36px;
}

.research-field-axis-card {
  padding: 19px 20px;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  background: rgba(255,255,255,.84);
}

.research-field-axis-word {
  margin-bottom: 7px;
  color: #49b1f5;
  font-weight: 750;
}

.research-field-axis-card p {
  margin: 0;
  line-height: 1.8;
  opacity: .75;
}

.research-topic-grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 18px;
  margin: 24px 0 38px;
}

.research-topic-card {
  padding: 24px 25px;
  border: 1px solid #e5e5e5;
  border-radius: 12px;
  background: rgba(255,255,255,.86);
}

.research-topic-number {
  margin-bottom: 8px;
  color: #49b1f5;
  font-size: .8em;
  font-weight: 700;
  letter-spacing: .04em;
}

.research-topic-title {
  margin-bottom: 5px;
  font-size: 1.17em;
  font-weight: 750;
}

.research-topic-en {
  margin-bottom: 11px;
  font-size: .84em;
  opacity: .5;
}

.research-topic-desc {
  line-height: 1.82;
  opacity: .76;
}

.research-topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 14px;
}

.research-topic-tag {
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(73,177,245,.09);
  color: #358cc4;
  font-size: .8em;
}

.research-question-grid {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 14px;
  margin: 22px 0 36px;
}

.research-question-card {
  padding: 19px 21px;
  border-radius: 9px;
  background: rgba(0,0,0,.035);
  line-height: 1.82;
}

.research-field-principle {
  margin: 24px 0 34px;
  padding: 22px 24px;
  border-radius: 10px;
  background: rgba(0,0,0,.04);
  line-height: 1.9;
}

.research-field-links {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  gap: 14px;
  margin: 24px 0 16px;
}

.research-field-link,
.research-field-link:visited {
  display: block;
  padding: 20px 22px;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  background: rgba(255,255,255,.84);
  color: inherit !important;
  text-decoration: none !important;
  transition: .2s ease;
}

.research-field-link:hover {
  transform: translateY(-2px);
  border-color: #49b1f5;
}

.research-field-link-label {
  margin-bottom: 6px;
  color: #49b1f5;
  font-size: .78em;
  font-weight: 700;
}

.research-field-link-title {
  margin-bottom: 6px;
  font-weight: 750;
}

.research-field-link-desc {
  font-size: .88em;
  line-height: 1.72;
  opacity: .68;
}

@media (max-width: 768px) {
  .research-field-axis,
  .research-topic-grid,
  .research-question-grid,
  .research-field-links {
    grid-template-columns: 1fr;
  }

  .research-field-head {
    padding: 23px 21px;
  }

  .research-field-title {
    font-size: 1.55em;
  }
}