.contact-section {
  padding: 220px 20px;
  font-family: 'Noto Sans JP', sans-serif;
}

.contact-container {
  max-width: 700px;
  margin: 0 auto;
  background: #ffffff;
  padding: 40px 30px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
  border-radius: 10px;
}

.contact-title {
  font-size: 2rem;
  color: #2f5d3a;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}

.contact-subtitle {
  font-size: 1rem;
  color: #555;
  text-align: center;
  margin-bottom: 30px;
}

.contact-form .form-group {
  margin-bottom: 20px;
}

.contact-form label {
  display: block;
  font-size: 0.95rem;
  color: #333;
  margin-bottom: 6px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  font-size: 1rem;
  border: 1px solid #ccc;
  border-radius: 6px;
  box-sizing: border-box;
  transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #2f5d3a;
  outline: none;
}

.contact-form .required {
  color: #e03131;
  font-size: 0.85rem;
}

.contact-btn {
  background-color: #2f5d3a;
  color: #fff;
  padding: 12px 24px;
  font-size: 1rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.contact-btn:hover {
  background-color: #1f4026;
}


@media screen and (max-width: 768px) {
  .contact-subtitle {
    font-size: .9rem;
  }
}