/* ======================
   ベース設定
====================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", sans-serif;
  color: #444;
  background: #fff;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(16px, 5vw, 24px);
}

/* ======================
   共通ボタン
====================== */
.btn {
  display: block;
  max-width: 400px;
  margin: 5px auto;
  padding: 15px;
  background: #b29263;
  color: #fff;
  text-align: center;
  border-radius: 30px;
  text-decoration: none;
  font-weight: bold;
}

.tel-page {
  text-align: center;
  font-size: 25px;
  font-weight: bold;
}

/* ======================
   お問い合わせ導入
====================== */
.contact-intro {
  text-align: center;
  padding: 10px 10px;
}

.contact-tel {
  text-align: center;
  padding:10px 0;
}

.contact-intro h2 {
  margin-bottom: 15px;
}

.lead2 {
  color: #555;
  font-size: 16px;
  font-weight: bold;
}

/* ======================
   フォーム
====================== */
.form-section {
  background: #d6cec2;
  padding: 40px 0;
}

.form-title {
  text-align: center;
  background: #b29263;
  color: #fff;
  padding: 15px;
  border-radius: 30px;
  max-width: 400px;
  margin: 0 auto 20px;
}

.note {
  font-size: 13px;
  max-width: 600px;
  margin: 20px auto 20px;
}

form {
  max-width: 600px;
  margin: 0 auto;
}

label {
  display: block;
  margin-top: 20px;
  font-size: 14px;
}

.required {
  color: red;
  font-size: 12px;
}

input,
textarea {
  width: 100%;
  padding: 12px;
  margin-top: 5px;
  border: none;
  background: #eee;
  font-size: 16px;
}

textarea {
  height: 140px;
}

.privacy {
  font-size: 12px;
  margin-top: 20px;
}

.submit-btn {
  display: block;
  margin: 20px 0 0 auto;
  padding: 10px 20px;
  background: #484858;
  color: #fff;
  border: none;
  cursor: pointer;
}

.error-message {
  display: none;        /* 初期は非表示 */
  color: #d9534f;       /* 赤 */
  font-size: 12px;
  margin-top: 5px;
}

input.error,
textarea.error {
  border: 1px solid #d9534f;
  background: #fff5f5;
}

/* ======================
   レスポンシブ（PC）
====================== */
@media (min-width: 768px) {

  .contact-intro {
    padding: 5px 0;
  }

  .form-section {
    padding: 60px 0;
  }
}