Shopifyにブログ一覧スライダーを追加できるおすすめアプリ6選を紹介！

{% comment %}
  ブログ記事スライダーセクション
  Swiper.js を使用してブログ記事をスライダー形式で表示する
{% endcomment %}

{%- assign blog_handle = section.settings.blog -%}
{%- assign posts_count = section.settings.posts_count -%}

{% if blog_handle != blank %}
  {%- assign selected_blog = blogs[blog_handle] -%}

  <div class="blog-slider-section">
    {% if section.settings.show_heading %}
      <div class="blog-slider-header">
        <h2 class="blog-slider-heading">
          {% if section.settings.heading_text != blank %}
            {{ section.settings.heading_text | escape }}
          {% else %}
            {{ selected_blog.title | escape }}
          {% endif %}
        </h2>
        {% if section.settings.show_view_all %}
          <a href="{{ selected_blog.url }}" class="blog-slider-view-all">
            {{ section.settings.view_all_text | default: '一覧を見る' }}
          </a>
        {% endif %}
      </div>
    {% endif %}

    <div class="swiper blog-swiper">
      <div class="swiper-wrapper">
        {% for article in selected_blog.articles limit: posts_count %}
          <div class="swiper-slide">
            <a href="{{ article.url }}" class="blog-card">
              {% if article.image %}
                <div class="blog-card__image">
                  <img
                    src="{{ article.image | image_url: width: 600 }}"
                    alt="{{ article.image.alt | escape }}"
                    width="600"
                    height="{{ 600 | divided_by: article.image.aspect_ratio | round }}"
                    loading="lazy"
                  >
                </div>
              {% endif %}
              <div class="blog-card__content">
                <h3 class="blog-card__title">{{ article.title | escape }}</h3>
                <time class="blog-card__date" datetime="{{ article.published_at | date: '%Y-%m-%d' }}">
                  {{ article.published_at | date: '%Y/%m/%d' }}
                </time>
                {% if section.settings.show_excerpt and article.excerpt_or_content != blank %}
                  <p class="blog-card__excerpt">
                    {{ article.excerpt_or_content | strip_html | truncate: 80 }}
                  </p>
                {% endif %}
              </div>
            </a>
          </div>
        {% endfor %}
      </div>

      <!-- ナビゲーション矢印 -->
      <div class="swiper-button-prev"></div>
      <div class="swiper-button-next"></div>

      <!-- ページネーション（ドット） -->
      <div class="swiper-pagination"></div>
    </div>
  </div>
{% else %}
  <p style="text-align:center; padding: 40px 20px; color: #999;">
    テーマエディタの設定からブログを選択してください。
  </p>
{% endif %}

{% schema %}
{
  "name": "ブログスライダー",
  "settings": [
    {
      "type": "blog",
      "id": "blog",
      "label": "ブログを選択"
    },
    {
      "type": "range",
      "id": "posts_count",
      "label": "表示する記事数",
      "min": 3,
      "max": 12,
      "step": 1,
      "default": 6
    },
    {
      "type": "checkbox",
      "id": "show_heading",
      "label": "見出しを表示",
      "default": true
    },
    {
      "type": "text",
      "id": "heading_text",
      "label": "見出しテキスト（空欄でブログ名）"
    },
    {
      "type": "checkbox",
      "id": "show_view_all",
      "label": "一覧リンクを表示",
      "default": true
    },
    {
      "type": "text",
      "id": "view_all_text",
      "label": "一覧リンクのテキスト",
      "default": "一覧を見る"
    },
    {
      "type": "checkbox",
      "id": "show_excerpt",
      "label": "抜粋を表示",
      "default": true
    }
  ],
  "presets": [
    {
      "name": "ブログスライダー"
    }
  ]
}
{% endschema %}

/* ブログスライダーセクション */
.blog-slider-section {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
}

/* ヘッダー */
.blog-slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.blog-slider-heading {
  font-size: 24px;
  font-weight: 700;
  margin: 0;
  color: #333;
}

.blog-slider-view-all {
  font-size: 14px;
  color: #666;
  text-decoration: none;
  transition: color 0.2s;
}

.blog-slider-view-all:hover {
  color: #333;
  text-decoration: underline;
}

/* Swiper コンテナ */
.blog-swiper {
  position: relative;
  padding-bottom: 48px;
}

/* カードスタイル */
.blog-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.2s, transform 0.2s;
}

.blog-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

.blog-card__image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.blog-card:hover .blog-card__image img {
  transform: scale(1.03);
}

.blog-card__content {
  padding: 16px;
}

.blog-card__title {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px;
  color: #333;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card__date {
  font-size: 13px;
  color: #999;
  display: block;
  margin-bottom: 8px;
}

.blog-card__excerpt {
  font-size: 14px;
  color: #666;
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Swiper ナビゲーション */
.blog-swiper .swiper-button-prev,
.blog-swiper .swiper-button-next {
  color: #333;
  background: rgba(255, 255, 255, 0.9);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

/* Swiper ページネーション */
.blog-swiper .swiper-pagination-bullet {
  background: #ccc;
  opacity: 1;
}

.blog-swiper .swiper-pagination-bullet-active {
  background: #333;
}

/* レスポンシブ */
@media screen and (max-width: 768px) {
  .blog-slider-section {
    margin: 24px auto;
    padding: 0 16px;
  }

  .blog-slider-heading {
    font-size: 20px;
  }
}

<!-- Swiper.js CDN -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/swiper@11/swiper-bundle.min.css">
<script src="https://cdn.jsdelivr.net/npm/swiper@11/swiper-bundle.min.js" defer></script>

<script>
  document.addEventListener('DOMContentLoaded', function () {
    // Swiper.js の読み込み完了を待つ
    function initBlogSwiper() {
      if (typeof Swiper === 'undefined') {
        setTimeout(initBlogSwiper, 100);
        return;
      }

      new Swiper('.blog-swiper', {
        // スライド表示数（レスポンシブ設定）
        slidesPerView: 1.2,
        spaceBetween: 16,
        breakpoints: {
          // タブレット
          768: {
            slidesPerView: 2.5,
            spaceBetween: 20
          },
          // PC
          1024: {
            slidesPerView: 3,
            spaceBetween: 24
          }
        },

        // ループ
        loop: true,

        // 自動再生
        autoplay: {
          delay: 4000,
          disableOnInteraction: false,
          pauseOnMouseEnter: true
        },

        // ナビゲーション矢印
        navigation: {
          prevEl: '.swiper-button-prev',
          nextEl: '.swiper-button-next'
        },

        // ページネーション（ドット）
        pagination: {
          el: '.swiper-pagination',
          clickable: true
        }
      });
    }

    initBlogSwiper();
  });
</script>