/* =============================================
   KiRABiSEi - product-responsive.css
   商品個別ページ レスポンシブ
   ============================================= */

/* ----------------------------------------
   Tablet Landscape ~1024px
   ---------------------------------------- */
@media (max-width: 1024px) {
  .product-nav__item { padding: 16px 24px; font-size: 12px; }
  .product-mv { gap: 40px; }
  .product-mv__lead { font-size: 16px; }
  .product-usp__card { padding: 40px 28px; }
  .product-maintenance__card { max-width: 220px; padding: 32px; }
  .product-maintenance__card-title { font-size: 16px; }
}

/* ----------------------------------------
   Tablet Portrait ~768px
   ---------------------------------------- */
@media (max-width: 768px) {

  /* ===== Product Header ===== */
  .product-header { padding-top: 88px; }
  .breadcrumb { margin-bottom: 32px; }
  .product-header__name { font-size: 20px; }
  .product-header__tags { flex-wrap: wrap; }
  .product-nav-wrap { top: 56px; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; position: sticky; }
  .product-nav-wrap::-webkit-scrollbar { display: none; }
  .product-nav-wrap__inner { padding: 0; border-bottom: none; overflow-x: visible; }
  .product-nav {
    display: flex;
    grid-template-columns: none;
    width: max-content;
    min-width: 100%;
  }
  .product-nav__item {
    flex: 1 0 auto;
    padding: 14px 20px;
    font-size: 12px;
    white-space: nowrap;
    text-align: center;
  }
  /* 右端フェード */
  .product-nav-fade {
    position: fixed;
    top: 56px;
    right: 0;
    width: 48px;
    height: 48px; /* navの高さに合わせる */
    background: linear-gradient(to right, transparent, #fff);
    pointer-events: none;
    z-index: 101;
    transition: opacity 0.2s ease;
  }
  .product-nav-fade.is-hidden { opacity: 0; }

  /* ===== MV ===== */
  .product-features { padding: 48px 0 0; }
  .product-mv {
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 48px;
  }
  .product-mv__lead { font-size: 15px; }
  .product-mv__imgs--single img { max-height: 320px; }
  .product-mv__imgs--double { gap: 16px; }
  .product-mv__img-item img { max-height: 240px; }

  /* ===== USP ===== */
	.product-usp {
		padding-bottom: 32px;
	}
  .product-usp__grid {
    grid-template-columns: 1fr;
    border: none;
    gap: 15px;
  }
  .product-usp__card {
    background: #fff;
    padding: 32px 24px;
  }
  .product-usp__icon { font-size: 32px; margin-bottom: 16px; }
  .product-usp__title { font-size: 16px; }
  .product-usp__text { font-size: 14px; }

  /* ===== CTA ===== */
  .product-cta__btn { padding: 18px 40px; width: 100%; max-width: 320px; justify-content: center; }

  /* ===== Spec ===== */
  .spec-table__label { width: 40%; padding: 16px 20px; font-size: 13px; }
  .spec-table__value { padding: 16px 20px; font-size: 13px; }
	.spec-table--multi .spec-table__head { font-size: 12px;}

  /* ===== Recycle ===== */
  .product-recycle__lead { font-size: 14px; }

/* ===== Maintenance ===== */
.product-maintenance {
  padding: 64px 0;
  min-height: auto;
}

.product-maintenance__grid {
  grid-template-columns: 1fr;
  gap: 16px;
  justify-items: center;
}

.product-maintenance__card {
  background: rgba(40, 41, 48, 0.8);
  border-radius: 50%;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: 56px 40px 40px;
  width: min(100%, 260px);
  max-width: 260px;
  margin: 0 auto;
}

.product-maintenance__card-title {
  font-size: 16px;
  margin-bottom: 16px;
}

.product-maintenance__card-text {
  font-size: 13px;
  line-height: 1.8;
}

.product-maintenance__lead {
  font-size: 14px;
  margin-bottom: 40px;
}

  /* ===== FAQ ===== */
  .product-faq { padding: 64px 0; }
  .accordion__title { font-size: 14px; }
  .accordion__text { font-size: 14px; }

  /* ===== Related ===== */
  .product-related { padding: 56px 0; }
  .product-related__grid { grid-template-columns: 1fr; gap: 16px; }
.product-related__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 24px;
  text-align: center;
  gap: 0;
}
.product-related__name {
  font-size: 16px;
  width: 100%;
  margin-bottom: 16px;
  order: 1;
}
.product-related__img {
  width: 120px;
  padding-top: 0;
  margin-bottom: 20px;
  order: 3;
}
.product-related__body {
  width: 100%;
  align-items: center;
  display: flex;
  flex-direction: column;
}
.product-related__text {
  font-size: 13px;
  margin-bottom: 15px;
  text-align: left;
  order: 2;
}
.product-related__btn {
  align-self: center;
  order: 4;
  margin-bottom: 20px;
}
}

/* ----------------------------------------
   SP ~480px
   ---------------------------------------- */
@media (max-width: 480px) {
  .product-header__name { font-size: 18px; }
  .product-nav__item { padding: 12px 16px; font-size: 11px; }
  .product-mv__imgs--double { align-items: center; }
  .product-mv__img-item img { max-height: 280px; }
  .spec-table__label { font-size: 12px; padding: 14px 16px; }
  .spec-table__value { font-size: 12px; padding: 14px 16px; }
  .product-related__img { width: 100px; }
}