/* -------------------- セミナー情報セクション -------------------- */
.seminar_info_section {
  background-color: #f9f9f9;
  padding: 40px 20px;
  font-family: "Yu Gothic", sans-serif;
}

.seminar_info_container {
  max-width: 720px;
  margin: 0 auto;
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.seminar_info_title {
  font-size: 24px;
  font-weight: bold;
  color: #158b2b;
  text-align: center;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 2px solid #f3d357;
}

.seminar_info_content {
  line-height: 2.2;
  color: #2c3e50;
}

.seminar_info_content p {
  margin: 8px 0;
}

.seminar_info_content strong {
  color: #158b2b;
  font-weight: bold;
}

/* -------------------- セミナー申込フォーム -------------------- */
.seminar_form_section {
  background-color: #f9f9f9;
  padding: 60px 20px;
  font-family: "Yu Gothic", sans-serif;
}

.seminar_form_container {
  max-width: 720px;
  margin: 0 auto;
  background-color: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.seminar_form_group {
  margin-bottom: 20px;
}

.seminar_form_group label {
  display: block;
  font-weight: bold;
  margin-bottom: 8px;
  color: #2c3e50;
}

.seminar_required {
  color: red;
  margin-left: 4px;
}

.seminar_form_group input,
.seminar_form_group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1.1rem;
  box-sizing: border-box;
}

.seminar_form_group textarea {
  resize: vertical;
  min-height: 100px;
}

/* 参加者入力エリア */
.participants_section {
  margin: 25px 0;
  padding: 20px;
  background-color: #f8f9fa;
  border-radius: 8px;
  border-left: 4px solid #46aa36;
}

.participants_title {
  font-size: 18px;
  font-weight: bold;
  color: #158b2b;
  margin-bottom: 15px;
}

.participant_input {
  margin-bottom: 15px;
  padding: 15px;
  background-color: #ffffff;
  border-radius: 6px;
  border: 1px solid #e9ecef;
}

.participant_number {
  font-weight: bold;
  color: #46aa36;
  margin-bottom: 8px;
}

.participant_input input {
  height: 20px; /* 連絡先フィールドと同じ高さ（padding: 10px上下 + フォントサイズ + ボーダー） */
  border-radius: 6px; /* 連絡先フィールドと同じ角丸 */
  width: calc(40% + 30px); /* 幅を30px広げる */
  font-size: 1.1rem; /* フォントサイズを少し大きく */
  padding: 10px 15px; /* 左右のパディングを調整 */
}

.seminar_form_button {
  text-align: center;
  margin-top: 30px;
}

.seminar_form_button button {
  background-color: #46aa36;
  color: #fff;
  padding: 12px 30px;
  border: none;
  border-radius: 6px;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.seminar_form_button button:hover {
  background-color: #3c9630;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .seminar_info_container,
  .seminar_form_container {
    padding: 20px;
  }
  
  .seminar_info_title {
    font-size: 20px;
  }
  
  .participants_section {
    padding: 15px;
  }
}