/* モーダル用スタイル */
.modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
  animation: fadeIn 0.3s;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-content {
  position: relative;
  background-color: #fff;
  margin: 5vh auto;
  width: 90%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  animation: slideIn 0.3s;
}

@keyframes slideIn {
  from { transform: translateY(-50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-header {
  padding: 25px 30px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: none;
}

.modal-title {
  font-size: 24px;
  font-weight: 700;
  color: #333;
  margin: 0;
  position: relative;
}

.modal-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #0056b3, #007bff);
  border-radius: 3px;
}

.close-modal {
  color: #888;
  font-size: 32px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.2s ease;
}

.close-modal:hover {
  color: #333;
}

.modal-body {
  padding: 10px 30px 30px;
}

/* フォーム用スタイル */
#contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group label {
  font-weight: 600;
  font-size: 15px;
  color: #333;
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 15px;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  font-size: 16px;
  transition: all 0.3s ease;
  background-color: #f9f9f9;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #0056b3;
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.15);
  background-color: #fff;
}

.required {
  color: #e74c3c;
  margin-left: 3px;
  font-weight: bold;
}

.privacy-policy {
  display: flex;
  align-items: flex-start;
  font-size: 14px;
  background-color: #f5f5f5;
  padding: 15px;
  border-radius: 6px;
  margin-top: 10px;
}

.privacy-policy input[type="checkbox"] {
  margin-right: 10px;
  margin-top: 3px;
  transform: scale(1.2);
}

.privacy-policy a {
  color: #0056b3;
  text-decoration: underline;
  transition: color 0.2s;
}

.privacy-policy a:hover {
  color: #003d7a;
}

.submit-container {
  margin-top: 25px;
  text-align: center;
}

.btn-submit {
  background: linear-gradient(135deg, #0056b3, #007bff);
  color: white;
  border: none;
  padding: 14px 40px;
  font-size: 18px;
  font-weight: bold;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
  letter-spacing: 1px;
}

.btn-submit:hover {
  background: linear-gradient(135deg, #004494, #0066e8);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(0, 123, 255, 0.4);
}

/* エラーメッセージ用 */
.error-message {
  color: #e74c3c;
  font-size: 13px;
  margin-top: 6px;
  display: flex;
  align-items: center;
  animation: fadeIn 0.3s ease;
}

.error-message::before {
  content: '\26A0'; /* 警告マーク */
  margin-right: 5px;
}

input.error, select.error, textarea.error {
  border-color: #e74c3c;
  background-color: rgba(231, 76, 60, 0.05);
}

/* 成功メッセージ用 */
.success-message {
  background-color: rgba(39, 174, 96, 0.1);
  color: #27ae60;
  padding: 15px;
  border-radius: 8px;
  font-weight: 500;
  margin-top: 20px;
  text-align: center;
  animation: fadeIn 0.5s ease;
  border-left: 4px solid #27ae60;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
  .modal-content {
    width: 95%;
    margin: 10px auto;
    max-height: 85vh;
  }
  
  .modal-body {
    padding: 10px 20px 25px;
  }
  
  .form-group label {
    font-size: 14px;
  }
  
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 15px;
    padding: 10px 12px;
  }
  
  .privacy-policy {
    padding: 12px;
    font-size: 13px;
  }
  
  .btn-submit {
    width: 100%;
    padding: 12px 20px;
    font-size: 16px;
  }
}