/* ============================================================
   SIIBA Theme — slider.css
   Swiper.js ヒーロースライダー専用スタイル
   ============================================================ */

/* ----------------------------------------------------------
   スライダーコンテナ
   ---------------------------------------------------------- */
.hero-slider {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.hero-swiper {
  width: 100%;
  height: 100vh;
  min-height: 560px;
  max-height: 900px;
}

/* ----------------------------------------------------------
   スライド
   ---------------------------------------------------------- */
.hero-slide {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

/* スライドオーバーレイ（読みやすさ確保） */
.hero-slide__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(212, 98, 138, 0.50) 0%,
    rgba(26, 26, 26, 0.35) 50%,
    rgba(201, 168, 76, 0.30) 100%
  );
  z-index: 1;
}

/* スライドコンテンツ */
.hero-slide__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  animation: slideIn 0.8s ease forwards;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-slide__title {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.25;
  letter-spacing: .04em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.30);
  margin-bottom: 20px;
}

.hero-slide__sub {
  font-size: clamp(.875rem, 1.5vw, 1.1rem);
  color: rgba(255, 255, 255, 0.90);
  letter-spacing: .12em;
  margin-bottom: 36px;
  font-weight: 300;
}

/* ボタン（スライダー内） */
.hero-slide__content .btn--hero {
  display: inline-block;
  padding: 14px 40px;
  background: rgba(255, 255, 255, 0.95);
  color: #D4628A;
  border-radius: 30px;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .06em;
  border: 2px solid rgba(255, 255, 255, 0.95);
  transition: all .3s ease;
  text-decoration: none;
  cursor: pointer;
}

.hero-slide__content .btn--hero:hover {
  background: #D4628A;
  border-color: #D4628A;
  color: #FFFFFF;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* ----------------------------------------------------------
   ページネーションドット
   ---------------------------------------------------------- */
.hero-swiper .swiper-pagination {
  bottom: 28px;
}

.hero-swiper .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: rgba(255, 255, 255, 0.55);
  opacity: 1;
  border-radius: 50%;
  transition: all .3s ease;
  margin: 0 5px !important;
}

.hero-swiper .swiper-pagination-bullet-active {
  background: #FFFFFF;
  width: 28px;
  border-radius: 5px;
  transform: none;
}

/* ----------------------------------------------------------
   前後矢印ボタン
   ---------------------------------------------------------- */
.hero-swiper .swiper-button-prev,
.hero-swiper .swiper-button-next {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.20);
  border: 1.5px solid rgba(255, 255, 255, 0.50);
  border-radius: 50%;
  color: #FFFFFF;
  transition: background .3s ease, transform .3s ease;
  backdrop-filter: blur(4px);
}

.hero-swiper .swiper-button-prev:hover,
.hero-swiper .swiper-button-next:hover {
  background: rgba(212, 98, 138, 0.75);
  border-color: rgba(212, 98, 138, 0.75);
  transform: scale(1.08);
}

.hero-swiper .swiper-button-prev::after,
.hero-swiper .swiper-button-next::after {
  font-size: 16px;
  font-weight: 700;
}

/* ----------------------------------------------------------
   レスポンシブ
   ---------------------------------------------------------- */
@media (max-width: 768px) {
  .hero-swiper {
    height: 70vh;
    min-height: 400px;
  }

  .hero-slide__title {
    font-size: clamp(1.5rem, 6vw, 2.25rem);
    margin-bottom: 14px;
  }

  .hero-slide__sub {
    font-size: .875rem;
    margin-bottom: 24px;
  }

  .hero-slide__content .btn--hero {
    padding: 12px 28px;
    font-size: .85rem;
  }

  .hero-swiper .swiper-button-prev,
  .hero-swiper .swiper-button-next {
    display: none;
  }

  .hero-swiper .swiper-pagination {
    bottom: 16px;
  }
}

@media (max-width: 480px) {
  .hero-swiper {
    height: 60vh;
    min-height: 360px;
  }
}