.rootdiv {
    --item-w: 115px;
    --item-h: 163px;
    --gap: 14px;
  }

  body {
    font-family: system-ui, -apple-system, "Noto Sans JP", sans-serif;
    padding: 20px;
    background: #fafafa;
  }

  .hscroll-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    display: flex;
    gap: var(--gap);
    padding-bottom: 12px;
    scroll-snap-type: x mandatory;
  }

  .itembook {
    flex: 0 0 auto;
    width: var(--item-w);
    scroll-snap-align: start;
    text-decoration: none;
    color: inherit;
    text-align: left;
    display: block;
  }

  .itembook img {
    width: var(--item-w);
    height: var(--item-h);
    object-fit: cover;
    border-radius: 6px;
    display: block;
    margin-bottom: 6px;
  }

  .itembook p {
    font-size: 13px;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  /* hover・focusで軽く強調（CTR改善） */
  .itembook:hover img,
  .itembook:focus img {
    transform: scale(1.03);
    transition: transform .18s ease-out;
  }

  @media (max-width: 480px) {
    .rootdiv {
      --gap: 12px;
    }
  }