/* ==========================================
   キャンペーン詳細
========================================== */
.campaign-detail {
  background: linear-gradient(135deg, var(--color-primary) 0%, #6b1520 100%);
  color: var(--color-white);
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
}

.campaign-header {
  margin-bottom: var(--space-lg);
}

.campaign-label-detail {
  font-size: var(--font-md);
  margin-bottom: var(--space-xs);
}

.campaign-deadline {
  font-size: var(--font-2xl);
  font-weight: bold;
}

.campaign-prize-detail {
  margin-bottom: var(--space-lg);
}

.prize-main {
  font-size: var(--font-xl);
  font-weight: bold;
  margin-bottom: var(--space-xs);
}

.prize-sub {
  font-size: var(--font-md);
}

/* ==========================================
   FAQセクション
========================================== */
.faq {
  padding: 0 var(--space-md) 80px;
  background-color: var(--color-bg-beige);
}

.faq-heading {
  font-size: 20px;
  letter-spacing: 0.04em;
}

.faq-list {
  margin-top: 24px;
}

.faq-item {
  cursor: pointer;
}

.faq-question {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
  transition: var(--transition);
  border-bottom: #c19b2a 1px dotted;
}

.faq-item.active .faq-question {
  border-bottom: none;
}

.faq-q {
  line-height: 1;
  font-weight: 400;
  color: #c19b2a;
  font-size: 26px;
  margin-top: -4px;
  cursor: pointer;
  font-family: 'Zen Kaku Gothic New';
}

.faq-text {
  flex: 1;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  cursor: pointer;
}

.faq-toggle {
  position: relative;
  width: 22px;
  height: 22px;
  margin: auto 0;
  background-color: #c19b2a;
  flex-shrink: 0;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.faq-item.active .faq-toggle {
  background-color: #fff;
}

.faq-toggle::before,
.faq-toggle::after {
  content: '';
  position: absolute;
  background-color: #fff;
  transition:
    transform 0.3s ease,
    opacity 0.3s ease,
    background-color 0.3s ease;
}

.faq-toggle::before {
  top: 50%;
  left: 50%;
  width: 45%;
  height: 1px;
  transform: translate(-50%, -50%);
}

.faq-toggle::after {
  top: 50%;
  left: 50%;
  width: 1px;
  height: 45%;
  transform: translate(-50%, -50%);
}

.faq-item.active .faq-toggle::before,
.faq-item.active .faq-toggle::after {
  background-color: #c19b2a;
}

.faq-item.active .faq-toggle::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 var(--space-md);
  background-color: #c19b2a;
  border-radius: 0 0 0 var(--radius-sm);
  gap: var(--space-sm);
  align-items: flex-start;
  opacity: 0;
  transition:
    max-height 0.4s ease-out,
    opacity 0.3s ease,
    padding 0.4s ease;
}

.faq-item.active .faq-answer {
  display: flex;
  max-height: 500px;
  opacity: 1;
  padding: var(--space-lg) var(--space-md);
}

.faq-a {
  line-height: 1;
  font-weight: 400;
  color: #fff;
  font-size: 24px;
  font-family: 'Zen Kaku Gothic New';
  min-width: 24px;
}

.faq-answer-text {
  flex: 1;
}

.faq-answer-text p {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  color: #fff;
}

.faq-more-link {
  position: relative;
  display: block;
  text-align: center;
  padding: 15px 15px 15px 22px;
  margin-top: 50px;
  justify-content: space-between;
  align-items: center;
  border-radius: var(--radius-xs);
  border: 1px solid #c19b2a;
  background: #fff;
  color: #c19b2a;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.05em;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

.faq-more-link:hover {
  background-color: #c9c3b8;
}

.faq-more-arrow-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
}