/**
 * Works Carousel CSS
 * Swiperカルーセルスタイル
 */

/* ============================================
   Swiper Container
   ============================================ */

.works-swiper-container {
  position: relative;
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 60px;
}

.works-swiper {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  overflow: hidden;
}

/* ============================================
   Swiper Slide
   ============================================ */

.works-swiper .swiper-slide {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--color-bg-alt);
}

.works-swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Ken Burns Effect (画像ズーム&パン) */
.works-swiper .swiper-slide-active img {
  animation: kenBurns 8s ease-in-out forwards;
}

@keyframes kenBurns {
  0% {
    transform: scale(1) translate(0, 0);
  }
  100% {
    transform: scale(1.1) translate(-5px, -5px);
  }
}

/* ============================================
   Overlay on Hover
   ============================================ */

.works-swiper__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(0, 0, 0, 0.4) 50%,
    transparent 100%
  );
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  opacity: 0;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.works-swiper .swiper-slide:hover .works-swiper__overlay {
  opacity: 1;
}

.works-swiper__title {
  font-family: var(--font-en);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-text-white);
  margin-bottom: 8px;
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.works-swiper__client {
  font-family: var(--font-ja);
  font-size: 1.4rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) 0.1s;
}

.works-swiper .swiper-slide:hover .works-swiper__title,
.works-swiper .swiper-slide:hover .works-swiper__client {
  transform: translateY(0);
}

/* ============================================
   Pagination (ページネーション)
   ============================================ */

.works-swiper .swiper-pagination {
  position: relative;
  margin-top: 32px;
  bottom: auto;
}

.works-swiper .swiper-pagination-bullet {
  width: 24px;
  height: 24px;
  min-width: 24px;
  min-height: 24px;
  background: transparent;
  opacity: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.works-swiper .swiper-pagination-bullet::before {
  content: '';
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: rgba(0, 188, 212, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.works-swiper .swiper-pagination-bullet-active {
  width: 32px;
  min-width: 32px;
}

.works-swiper .swiper-pagination-bullet-active::before {
  width: 32px;
  border-radius: 6px;
  background: linear-gradient(135deg, #00e5ff, #007a8a);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.6);
}

/* ============================================
   Navigation (ナビゲーション矢印)
   ============================================ */

.works-swiper .swiper-button-next,
.works-swiper .swiper-button-prev {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-text-white);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.works-swiper .swiper-button-next::after,
.works-swiper .swiper-button-prev::after {
  font-size: 20px;
  font-weight: 700;
}

.works-swiper .swiper-button-next:hover,
.works-swiper .swiper-button-prev:hover {
  background: rgba(0, 229, 255, 0.2);
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.5);
  transform: scale(1.1);
}

.works-swiper .swiper-button-disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.works-swiper .swiper-button-disabled:hover {
  transform: none;
  box-shadow: none;
}

/* ============================================
   Glow Effect on Active Slide
   ============================================ */

.works-swiper .swiper-slide-active {
  box-shadow:
    0 10px 50px rgba(0, 188, 212, 0.3),
    0 0 60px rgba(0, 229, 255, 0.2);
}

/* ============================================
   Loading State
   ============================================ */

.works-swiper__loading {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border: 4px solid rgba(0, 188, 212, 0.2);
  border-top-color: #007a8a;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ============================================
   Responsive
   ============================================ */

@media screen and (max-width: 768px) {
  .works-swiper-container {
    padding: 20px;
  }

  .works-swiper .swiper-button-next,
  .works-swiper .swiper-button-prev {
    width: 40px;
    height: 40px;
  }

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

  .works-swiper__overlay {
    padding: 20px;
  }

  .works-swiper__title {
    font-size: 1.8rem;
  }

  .works-swiper__client {
    font-size: 1.2rem;
  }

  /* モバイルでは常にオーバーレイ表示 */
  .works-swiper__overlay {
    opacity: 1;
    background: linear-gradient(
      to top,
      rgba(0, 0, 0, 0.9) 0%,
      rgba(0, 0, 0, 0.5) 50%,
      transparent 100%
    );
  }

  .works-swiper__title,
  .works-swiper__client {
    transform: translateY(0);
  }

  /* Ken Burnsエフェクト無効化 */
  .works-swiper .swiper-slide-active img {
    animation: none;
  }
}

@media screen and (max-width: 480px) {
  .works-swiper .swiper-button-next,
  .works-swiper .swiper-button-prev {
    display: none;
  }

  .works-swiper__title {
    font-size: 1.6rem;
  }
}

/* ============================================
   Accessibility
   ============================================ */

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .works-swiper .swiper-slide img,
  .works-swiper .swiper-slide-active img,
  .works-swiper .swiper-button-next,
  .works-swiper .swiper-button-prev,
  .works-swiper__overlay,
  .works-swiper__title,
  .works-swiper__client {
    animation: none;
    transition: none;
  }
}

/* キーボードフォーカス表示 */
.works-swiper .swiper-button-next:focus-visible,
.works-swiper .swiper-button-prev:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.works-swiper .swiper-pagination-bullet:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* High Contrast */
@media (prefers-contrast: high) {
  .works-swiper .swiper-button-next,
  .works-swiper .swiper-button-prev {
    background: rgba(0, 0, 0, 0.8);
    border-color: rgba(255, 255, 255, 0.8);
  }

  .works-swiper .swiper-pagination-bullet-active::before {
    background: #00e5ff;
  }
}