.iconButton--square {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  height: 50px;
  padding: 0 10px;
  margin-bottom: 3px; /* ← ここを狭くした！ */
  border: 1px solid #ddd;
  background-color: #fff;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.3s;
  overflow: hidden;
  box-sizing: border-box;
}

.iconButton--square .bnr {
  width: 50px;
  height: 50px;
  object-fit: contain;
  margin-right: 10px;
  flex-shrink: 0;
}

.iconButton--square span.label {
  font-size: 13px;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}