/* ボタン汎用スタイル */

.btn {
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  font-size: 14px;
  cursor: pointer;
  flex: 1;
  text-align: center;
  transition: opacity var(--kaku-transition-fast);
}

.btn:hover {
  opacity: 0.9;
}

.btn--primary {
  background-color: var(--kaku-accent-primary);
  color: var(--kaku-text-inverse);
}

.btn--secondary {
  background-color: var(--kaku-border-light);
  color: var(--kaku-text-inverse);
  display: flex;
  justify-content: center;
  align-items: center;
}

.btn--small {
  padding: 5px 10px;
  font-size: 12px;
  background-color: var(--kaku-border-light);
  color: var(--kaku-text-inverse);
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

/* 状態 */
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}