.research-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5em;
  margin-bottom: 2.5em;
  padding-bottom: 1.5em;
  border-bottom: 1px solid #ddd;
}

.research-item img {
  flex: 0 0 220px;
  max-width: 220px;
  height: auto;
  border: 1px solid #ccc;
  background-color: #fafafa;
  box-sizing: border-box;
}

.research-content {
  flex: 1;
  min-width: 200px;
}

.research-content h4 {
  font-size: 1.05em;
  font-weight: 500;
  margin: 0 0 0.5em;
  color: #222;
}

.research-content a {
  color: inherit;
  text-decoration: none;
}
.research-content a:hover {
  text-decoration: underline;
}

.research-date {
  color: #888;
  font-weight: 400;
}

@media (max-width: 600px) {
  .research-item {
    flex-direction: column;
    align-items: center;
  }

  .research-item img {
    max-width: 100%;
  }

  .research-content {
    margin-top: 1em;
  }
}