/* ===========================
   Campaign Detail Pages
=========================== */
.campaign-detail-hero {
  position: relative;
  min-height: 420px;
  padding: 170px 24px 90px;
  overflow: hidden;
  color: #fff;
  background: #332c2e;
}

.campaign-detail-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(18, 17, 17, 0.78) 0%, rgba(18, 17, 17, 0.48) 55%, rgba(18, 17, 17, 0.18) 100%);
  z-index: 1;
}

.campaign-detail-hero__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
}

.campaign-detail-hero__inner {
  position: relative;
  z-index: 2;
  max-width: 1120px;
  margin: 0 auto;
}

.campaign-detail-hero__eyebrow {
  margin: 0 0 14px;
  color: #fff;
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1rem, 2vw, 1.3rem);
  letter-spacing: 0.18em;
}

.campaign-detail-hero__title {
  margin: 0;
  font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 0.95;
}

.campaign-detail-hero__subtitle {
  margin: 18px 0 0;
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1rem, 2vw, 1.35rem);
  font-weight: 300;
  letter-spacing: 0.08em;
}

.campaign-breadcrumb {
  padding: 16px 24px;
  border-bottom: 1px solid #eee8e8;
  color: #8c8083;
  font-size:16px;
}

.campaign-breadcrumb__inner {
  max-width: 1120px;
  margin: 0 auto;
}

.campaign-breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.campaign-breadcrumb a:hover {
  color: #EB778D;
}

.campaign-breadcrumb__sep {
  margin: 0 8px;
  color: #c9c1c3;
}

.campaign-detail {
  padding: 96px 0 112px;
  background: #fff;
}

.campaign-detail__layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: clamp(40px, 8vw, 112px);
}

.campaign-detail__poster {
  position: sticky;
  top: 110px;
  box-shadow: 0 14px 44px rgba(34, 24, 27, 0.16);
}

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

.campaign-detail__label {
  display: block;
  margin-bottom: 12px;
  color: #EB778D;
  font-family: 'Cormorant Garamond', serif;
  font-size:1rem;
  letter-spacing: 0.15em;
}

.campaign-detail__heading {
  margin: 0;
  color: #332c2e;
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 400;
  line-height: 1.55;
}

.campaign-detail__lead {
  margin: 26px 0 0;
  color: #554d4f;
  font-family: 'Noto Serif JP', serif;
  font-size:1rem;
  line-height: 2;
}

.campaign-detail__period {
  display: flex;
  gap: 22px;
  align-items: center;
  margin: 34px 0 0;
  padding: 20px 0;
  border-top: 1px solid #e9e2e3;
  border-bottom: 1px solid #e9e2e3;
}

.campaign-detail__period-label {
  color: #EB778D;
  font-family: 'Cormorant Garamond', serif;
  font-size:16px;
  letter-spacing: 0.14em;
}

.campaign-detail__period-value {
  color: #332c2e;
  font-family: 'Noto Sans JP', sans-serif;
  font-size:16px;
  letter-spacing: 0.05em;
}

.campaign-detail__benefits {
  margin: 38px 0 0;
}

.campaign-detail__benefits-title {
  margin: 0 0 16px;
  color: #332c2e;
  font-family: 'Noto Serif JP', serif;
  font-size:1.1rem;
  font-weight: 400;
}

.campaign-detail__benefits-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.campaign-detail__benefits-list li {
  position: relative;
  padding: 14px 18px 14px 36px;
  background: #fff8fa;
  color: #554d4f;
  font-size:16px;
  line-height: 1.75;
}

.campaign-detail__benefits-list li::before {
  content: '✦';
  position: absolute;
  top: 14px;
  left: 16px;
  color: #EB778D;
  font-size:16px;
}

.campaign-detail__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 58px;
  margin-top: 42px;
  padding: 0 28px;
  background: #EB778D;
  color: #fff;
  font-size:16px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.campaign-detail__cta:hover {
  background: #d68aa0;
  transform: translateY(-2px);
}

.campaign-detail__cta::after {
  content: '→';
  font-size:1.1rem;
}

.campaign-detail__back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  color: #8c8083;
  font-size:16px;
  text-decoration: none;
}

.campaign-detail__back:hover {
  color: #EB778D;
}

.campaign-detail__back::before {
  content: '←';
}

@media (max-width: 768px) {
  .campaign-detail-hero {
    min-height: 360px;
    padding: 145px 24px 64px;
  }

  .campaign-detail-hero::before {
    background: linear-gradient(90deg, rgba(18, 17, 17, 0.7), rgba(18, 17, 17, 0.22));
  }

  .campaign-detail {
    padding: 60px 0 72px;
  }

  .campaign-detail__layout {
    grid-template-columns: 1fr;
  }

  .campaign-detail__poster {
    position: static;
    width: min(440px, 100%);
    margin: 0 auto;
  }

  .campaign-detail__heading {
    margin-top: 6px;
  }
}