/* ========================================
  Image Slider (製品展開画像スライダー)
======================================== */
.image-slider {
  width: 100%;
  overflow: hidden;
  margin-top: 4px;
}

.image-slider__swiper {
  width: 100%;
}

.image-slider__swiper .swiper-wrapper {
  transition-timing-function: linear;
}

.image-slider__swiper .swiper-slide {
  width: 320px;
  height: 320px;
}

.image-slider__img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* ========================================
  Series (シリーズ一覧) - テーブルランプ
======================================== */
.series {
  padding: 160px 20px;
  background-color: #fff;
}

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

.series__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px 56px;
}

.series__item {
  display: block;
  overflow: hidden;
  border-radius: 4px;
}

.series__img {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity 0.3s;
}

.series__item:hover .series__img {
  opacity: 0.7;
}

.series__item:hover {
  opacity: 1;
}

.series__name {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: #333;
  padding-bottom: 12px;
  border-bottom: 1px solid #e0e0e0;
}

.series__arrow {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-left: auto;
  transition: transform 0.3s;
}

.series__item:hover .series__arrow {
  transform: translateX(4px);
}

/* ========================================
  Downloads Banner (ダウンロード誘導バナー)
======================================== */
.dl-banner {
  background-color: #333;
}

.dl-banner__link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 20px;
  color: #fff;
}

.dl-banner__link:hover {
  opacity: 1;
}

.dl-banner__icon {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  animation: dlBannerBounce 2s ease-in-out infinite;
}

.dl-banner__text {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: 0.05em;
}

.dl-banner__arrow {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  animation: dlBannerBounce 2s ease-in-out infinite;
}

@keyframes dlBannerBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ========================================
  Downloads (PDFダウンロード)
======================================== */
.downloads {
  padding: 120px 20px;
  background-color: #fff;
  scroll-margin-top: 80px;
}

.downloads__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.downloads__grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* ブロック共通 */
.dl-block {
  border-radius: 8px;
  overflow: hidden;
}

.dl-block__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 28px;
  color: #fff;
}

.dl-block__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.dl-block__title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.dl-block__list {
  list-style: none;
}

.dl-block__list li {
  background-color: #f7f7f7;
}

.dl-block__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 28px;
  font-size: 14px;
  line-height: 1.4;
  color: #333;
  border-bottom: 1px solid #f0f0f0;
  transition: background-color 0.2s;
}

.dl-block__link:hover {
  background-color: #fafafa;
  opacity: 1;
}

.dl-block__list li:last-child .dl-block__link {
  border-bottom: none;
}

.dl-block__pdf-icon {
  width: 10px;
  height: 12px;
  flex-shrink: 0;
}

.dl-block__name {
  flex: 1;
  min-width: 0;
}

.dl-block__dl-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: #8b8b8b;
  transition: color 0.2s;
}

.dl-block__link:hover .dl-block__dl-icon {
  color: #333;
}

/* カタログ - 最も目立つ */
.dl-block--catalog .dl-block__header {
  background-color: #333;
  padding: 24px 28px;
}

.dl-block--catalog .dl-block__title {
  font-size: 20px;
}

.dl-block--catalog .dl-block__link {
  padding: 18px 28px;
  font-size: 15px;
  font-weight: 500;
}

/* マニュアル - 中間 */
.dl-block--manual .dl-block__header {
  background-color: #3a4853;
}

/* 仕様書 - 控えめ */
.dl-block--spec .dl-block__header {
  background-color: #8b8b8b;
}

.dl-block--spec .dl-block__title {
  font-size: 16px;
}

.dl-block--spec .dl-block__link {
  padding: 14px 28px;
  font-size: 13px;
}

/* 配光（IES）データ - 最も控えめ */
.dl-block--ies .dl-block__header {
  background-color: #a0a0a0;
}

.dl-block--ies .dl-block__title {
  font-size: 15px;
}

.dl-block--ies .dl-block__link {
  padding: 12px 28px;
  font-size: 13px;
}

.dl-block__file-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 20px;
  padding: 0 6px;
  font-family: "Montserrat", sans-serif;
  font-size: 10px;
  font-weight: 500;
  line-height: 1;
  color: #fff;
  background-color: #7b8a96;
  border-radius: 3px;
  flex-shrink: 0;
  letter-spacing: 0.03em;
}

/* ========================================
  Responsive - Tablet (768px以下)
======================================== */
@media (max-width: 768px) {
  .image-slider__swiper .swiper-slide {
    width: 240px;
    height: 240px;
  }

  .series {
    padding: 80px 15px;
  }

  .series__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 20px;
  }

  .dl-banner__link {
    padding: 18px 15px;
    gap: 12px;
  }

  .dl-banner__icon {
    width: 24px;
    height: 24px;
  }

  .dl-banner__text {
    font-size: 13px;
  }

  .downloads {
    padding: 80px 15px;
  }

  .dl-block__header {
    padding: 16px 20px;
  }

  .dl-block__link {
    padding: 14px 20px;
  }

  .dl-block--catalog .dl-block__header {
    padding: 18px 20px;
  }

  .dl-block--catalog .dl-block__link {
    padding: 16px 20px;
  }

  .dl-block--spec .dl-block__link {
    padding: 12px 20px;
  }

  .dl-block--ies .dl-block__link {
    padding: 12px 20px;
  }
}

/* ========================================
  Responsive - SP (480px以下)
======================================== */
@media (max-width: 480px) {
  .image-slider__swiper .swiper-slide {
    width: 180px;
    height: 180px;
  }

  .series {
    padding: 60px 15px;
  }

  .series__grid {
    gap: 24px 12px;
  }

  .downloads {
    padding: 60px 15px;
  }

  .downloads__grid {
    gap: 30px;
  }

  .dl-banner__link {
    flex-direction: column;
    padding: 16px 15px;
    gap: 8px;
  }

  .dl-banner__text {
    font-size: 12px;
    text-align: center;
  }

  .dl-banner__arrow {
    display: none;
  }

  .dl-block__header {
    padding: 14px 16px;
    gap: 10px;
  }

  .dl-block__title {
    font-size: 15px;
  }

  .dl-block--catalog .dl-block__title {
    font-size: 17px;
  }

  .dl-block--spec .dl-block__title {
    font-size: 14px;
  }

  .dl-block__link {
    padding: 12px 16px;
    gap: 10px;
    font-size: 13px;
  }

  .dl-block--catalog .dl-block__link {
    padding: 14px 16px;
    font-size: 14px;
  }

  .dl-block--spec .dl-block__link {
    padding: 10px 16px;
    font-size: 12px;
  }

  .dl-block--ies .dl-block__title {
    font-size: 13px;
  }

  .dl-block--ies .dl-block__link {
    padding: 10px 16px;
    font-size: 12px;
  }
}