.campaign-wrapper {
  max-width: 960px;
  height: auto;
  margin: 0 auto;
  padding-bottom: 80px;
  background-image: url("../image/bg_section.webp");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.campaign-entry {
  max-width: 600px;
  margin: 80px auto;
  text-align: center;
  padding: 30px 20px;
  background: linear-gradient(135deg, #fff, #f9f9f9); /* 白→薄グレーのグラデーション */
  border: 1px solid #eee;    
  border-radius: 16px;       /* 角丸少し大きめ */
  box-shadow: 0 8px 20px rgba(0,0,0,0.08); /* 影を柔らかく大きく */
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}


.campaign-entry__title {
  font-size: 26px;
  font-weight: bold;
  color: #333;
  margin-bottom: 12px;
  text-align: center;
}

.campaign-entry__lead {
  font-size: 15px;
  color: #555;
  margin-bottom: 35px;
  line-height: 1.5;
}

/* フォーム */
.campaign-entry-form {
  text-align: left;
}

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

.form-group label {
  display: block;
  font-weight: bold;
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 15px;
  transition: all 0.2s ease;
}

.form-group input:focus {
  border-color: #122950;
  box-shadow: 0 0 8px rgba(18, 41, 80, 0.2);
}

/* 注意文 */
.form-note {
  font-size: 13px;
  margin-bottom: 20px;
}

.form-note a {
  color: #122950;
  text-decoration: underline;
}

/* ボタン */
.form-btn {
  width: 100%;
  padding: 16px;
  background: linear-gradient(90deg, #122950, #1b306d);
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.form-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(18,41,80,0.3);
  opacity: 0.95;
}

.campaign-choice {
  text-align: center;
  margin: 80px 0;
}

.campaign-choice label {
  margin: 0 12px;
  font-weight: bold;
  cursor: pointer;
}

.campaign-choice input[type="radio"] {
  accent-color: #122950;
  margin-right: 6px;
}
.required {
  color: #ff0000; 
  font-weight: bold;
  margin-left: 2px;
  font-size: 12px;
}
.complete-btn {
  color: #fff !important;
  text-align: center;
}
@media screen and (max-width: 645px) {
  .campaign-entry {
    margin: 80px 20px;
  }
  .campaign-entry__title {
  font-size: 22px;
}
}