.contact-section {
  padding: 120px 20px;
  background: #111;
  color: #fff;
  text-align: center;
}

.contact-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.contact-section h2 {
  font-size: 48px;
  margin-bottom: 20px;
  letter-spacing: 8px;
  font-weight: 300;
}

.contact-lead {
  font-size: 20px;
  margin-bottom: 40px;
  opacity: 0.8;
  font-family: 'Poppins', sans-serif;
}

.contact-form {
  text-align: left;
}

.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px;
  font-size: 16px;
  background: #222;
  color: #fff;
  border: 1px solid #444;
  border-radius: 6px;
}

.contact-form input[type="submit"] {
  background: #fff;
  color: #000;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s;
}

.contact-form input[type="submit"]:hover {
  background: #ddd;
}
.hidden-fields-container {
  display: none !important;
  visibility: hidden;
  height: 0;
  margin: 0;
  padding: 0;
  border: none;
}
.margin {
    margin-bottom: -20px;
}

/* スマホ画面ここから */

@media (max-width: 768px) {
  .contact-section {
    padding: 80px 16px;
  }

  .contact-wrapper {
    padding: 0 10px;
    margin-top: 150px;
  }

  .contact-section h2 {
    font-size: 36px;
    margin-bottom: 16px;
    letter-spacing: 4px;
  }

  .contact-lead {
    font-size: 16px;
    margin-bottom: 30px;
    line-height: 1.6;
  }
  .contact-form {
    max-width: 600px;       /* 入力欄を含むフォーム全体の幅 */
    margin: 0 auto;         /* 中央寄せ */
    padding: 0 20px;        /* スマホでも余白ができるように */
    box-sizing: border-box;
  }
  .contact-form form {
    gap: 14px;
    display: flex;
    flex-direction: column;
    max-width: 100%;        /* 念のため横幅を制限 */
    width: 100%;
    margin: 0 auto;          /* 中央揃え */
    box-sizing: border-box; 
  }

  .contact-form input,
  .contact-form textarea {
    padding: 10px;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
  }

  .contact-form input[type="submit"] {
    font-size: 14px;
    padding: 12px;
  }
}