/* Spring Campaign Styles */
.spring-campaign {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
  font-family: "Hiragino Kaku Gothic Pro", "ヒラギノ角ゴ Pro W3", "メイリオ", Meiryo, sans-serif;
  margin-top: 72px;
}

.campaign-hero {
  width: 100%;
  margin-bottom: 40px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  overflow: hidden;
}

.campaign-hero img {
  width: 100%;
  height: auto;
  display: block;
}

.campaign-content {
  background: linear-gradient(135deg, #fff8f8 0%, #fff 100%);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.campaign-title {
  color: #e4007f;
  font-size: 32px;
  text-align: center;
  line-height: 1.6;
  margin-bottom: 30px;
  text-shadow: 1px 1px 0 #fff;
  position: relative;
}

.campaign-title::after {
  content: '';
  display: block;
  width: 100px;
  height: 3px;
  background: linear-gradient(to right, #ffb7d3, #e4007f);
  margin: 20px auto;
}

.campaign-description {
  text-align: center;
  margin-bottom: 40px;
}

.campaign-description p {
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 15px;
  color: #333;
}

.campaign-message {
  font-size: 20px !important;
  color: #e4007f !important;
  margin: 30px 0 !important;
}

.entry-link {
  color: #666;
  margin: 20px 0 10px !important;
}

.entry-button {
  display: inline-block;
  background: linear-gradient(45deg, #e4007f, #ff6eb4);
  color: #fff;
  padding: 15px 40px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 18px;
  font-weight: bold;
  transition: transform 0.3s ease;
  box-shadow: 0 4px 15px rgba(228, 0, 127, 0.2);
}

.entry-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(228, 0, 127, 0.3);
}

.campaign-details {
  margin-top: 50px;
}

.detail-box, .notice-box {
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  margin-bottom: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.detail-box h2, .notice-box h2 {
  color: #e4007f;
  font-size: 24px;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #ffb7d3;
}

.detail-box dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 15px;
  line-height: 1.6;
  font-size: 16px;
}

.detail-box dt {
  color: #666;
  font-weight: bold;
}

.detail-box dd {
  margin: 0;
}

.notice-box ul {
  list-style: none;
  padding: 0;
  font-size: 16px;
}

.notice-box li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 15px;
  line-height: 1.8;
  color: #666;
}

.notice-box li::before {
  content: '•';
  color: #e4007f;
  position: absolute;
  left: 0;
  top: 0;
}

.coupon-info {
  background: #fff8e1;
  padding: 20px;
  border-radius: 8px;
  margin: 30px 0;
  text-align: center;
  border: 2px dashed #e4007f;
}

.coupon-message {
  font-size: 20px !important;
  color: #e4007f !important;
  font-weight: bold;
  margin-bottom: 10px !important;
}

.coupon-note {
  font-size: 14px !important;
  color: #666 !important;
  margin: 0 !important;
}

.notice-box a {
  color: #e4007f;
  text-decoration: none;
  transition: color 0.3s ease;
}

.notice-box a:hover {
  color: #ff6eb4;
  text-decoration: underline;
}

/* Responsive Design */
@media screen and (max-width: 768px) {
  .spring-campaign {
    padding: 15px;
    padding-top: 70px;
  }

  .campaign-content {
    padding: 20px;
  }

  .campaign-title {
    font-size: 24px;
  }

  .campaign-description p {
    font-size: 16px;
  }

  .entry-button {
    padding: 12px 30px;
    font-size: 16px;
    width: 100%;
    text-align: center;
    box-sizing: border-box;
  }

  .campaign-details {
    display: flex;
    flex-direction: column;
  }

  .detail-box, .notice-box {
    margin-bottom: 20px;
    padding: 20px;
  }

  .detail-box dl {
    grid-template-columns: 1fr;
    gap: 8px;
    font-size: 15px;
  }

  .detail-box dt {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #ffb7d3;
  }

  .detail-box dt:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
  }

  .notice-box ul {
    font-size: 15px;
  }

  .coupon-message {
    font-size: 18px !important;
  }
}