.unknown-items {
  max-width: 760px;
  margin: 0 auto;
}

.unknown-items dl {
  margin: 0;
  padding: 0;
}

.un-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: center;
  border-bottom: 1px solid #eee;
  padding-bottom: 16px;
}

.un-item dt {
  flex: 0 0 120px;
}

.un-item dt img {
  width: 120px;
  height: 120px;
  object-fit: cover; /* ← 自動トリミング */
  border-radius: 8px;
}

.un-item dd {
  margin: 0;
  flex: 1;
}

.un-item h3 {
  font-size: 16px;
  margin-bottom: 6px;
}

.desc {
  font-size: 14px;
  color: #555;
  margin-bottom: 4px;
}

.benefit {
  font-size: 13px;
  color: #888;
  margin-bottom: 10px;
}

.un-btn {
  display: inline-block;
  padding: 8px 14px;
  background: #000;
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  border-radius: 4px;
  transition: 0.3s;
}

.un-btn:hover {
  opacity: 0.7;
}