.payjp-checkout-container {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #333;
}

.payjp-checkout-card {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  padding: 40px;
  border: 1px solid #f0f0f0;
}

.payjp-checkout-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.payjp-form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (max-width: 480px) {
  .payjp-form-row {
    grid-template-columns: 1fr;
  }

  .payjp-checkout-card {
    padding: 25px;
  }
}

.payjp-form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.payjp-form-group label {
  font-weight: 500;
  font-size: 0.95em;
  color: #444;
}

.payjp-form-group input,
.payjp-form-group textarea {
  padding: 12px 16px;
  border: 2px solid #e9ecef;
  border-radius: 10px;
  font-size: 1em;
  transition: border-color 0.2s ease;
  background-color: #fff;
}

.payjp-form-group input:focus,
.payjp-form-group textarea:focus {
  outline: none;
  border-color: #0073aa;
}

.payjp-policy-note {
  font-size: 0.85em;
  color: #888;
  background: #fdfdfd;
  padding: 15px;
  border-radius: 8px;
  border-left: 4px solid #ddd;
}

.payjp-policy-note p {
  padding: 0;
}

.payjp-submit-btn {
  padding: 16px 24px;
  background: linear-gradient(135deg, #0073aa 0%, #005177 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1.1em;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.payjp-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 115, 170, 0.3);
}

.payjp-submit-btn svg {
  transition: transform 0.2s ease;
}

.payjp-submit-btn:hover svg {
  transform: translateX(4px);
}