- English{% if page.upper_level != null %}
-  1階層上へ{% elsif relative_path != "" %}
      {% capture last_component %}{{ page.url | split:"/" | last }}{% endcapture %}
      {% if last_component == "index.html" %}
        {% assign upper_level = "../" %}
      {% else %}
        {% assign upper_level = "./" %}
      {% endif %}
-  1階層上へ{% endif %}
- 
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