/* ============================================
   源泉徴収税 計算ツール
   ============================================ */

.taxCalc__modeSwitch {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border-radius: 10px;
  overflow: hidden;
  border: 2px solid #e5e7eb;
}

.taxCalc__modeBtn {
  flex: 1;
  padding: 12px 20px;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  background-color: #fff;
  color: #6b7280;
  cursor: pointer;
  transition: background-color 0.2s, color 0.2s;
  font-family: inherit;
}

.taxCalc__modeBtn + .taxCalc__modeBtn {
  border-left: 2px solid #e5e7eb;
}

.taxCalc__modeBtn:hover {
  background-color: #f3f4f6;
}

.taxCalc__modeBtn_state_active {
  background-color: #059669;
  color: #fff;
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.1);
}

.taxCalc__modeBtn_state_active:hover {
  background-color: #047857;
}

.taxCalc__modeBtn:active {
  transform: scale(0.98);
}

.taxCalc__modeBtn:focus-visible {
  outline: 2px solid #059669;
  outline-offset: -2px;
}

.taxCalc__radioGroup {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.taxCalc__radio {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  color: #374151;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 6px;
  transition: background-color 0.15s ease;
}

.taxCalc__radio:hover {
  background-color: #f9fafb;
}

.taxCalc__radio input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: #059669;
}

.taxCalc__panel {
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  .taxCalc__panel {
    animation: none;
  }
  .taxCalc__modeBtn {
    transition: none;
  }
}