構造化データ実装ガイド — EC業種別JSON-LDテンプレートと検証手順

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Organization",
  "name": "あなたの会社名",
  "url": "https://example.com",
  "logo": "https://example.com/logo.png",
  "description": "企業の説明文（実際のページ内容と一致させる）",
  "foundingDate": "2020-01-01",
  "sameAs": [
    "https://twitter.com/example",
    "https://www.facebook.com/example",
    "https://ja.wikipedia.org/wiki/あなたの会社名"
  ],
  "contactPoint": {
    "@type": "ContactPoint",
    "telephone": "+81-3-1234-5678",
    "contactType": "customer service",
    "availableLanguage": "Japanese"
  },
  "address": {
    "@type": "PostalAddress",
    "addressCountry": "JP",
    "addressRegion": "東京都",
    "addressLocality": "渋谷区",
    "streetAddress": "道玄坂1-10-8"
  }
}
</script>

{
  "@context": "https://schema.org",
  "@type": "Product",
  "name": "オーガニックコットン オーバーサイズTシャツ",
  "description": "GOTS認証オーガニックコットン100%。リラックスフィットのユニセックスT。",
  "image": "https://example.com/images/tshirt-organic.jpg",
  "sku": "TS-ORG-001",
  "brand": {
    "@type": "Brand",
    "name": "あなたのブランド名"
  },
  "material": "オーガニックコットン100%",
  "color": "ナチュラルホワイト",
  "size": "S / M / L / XL",
  "offers": {
    "@type": "Offer",
    "price": 4980,
    "priceCurrency": "JPY",
    "availability": "https://schema.org/InStock",
    "priceValidUntil": "2027-03-31",
    "url": "https://example.com/products/tshirt-organic",
    "shippingDetails": {
      "@type": "OfferShippingDetails",
      "shippingRate": {
        "@type": "MonetaryAmount",
        "value": 0,
        "currency": "JPY"
      },
      "shippingDestination": {
        "@type": "DefinedRegion",
        "addressCountry": "JP"
      },
      "deliveryTime": {
        "@type": "ShippingDeliveryTime",
        "businessDays": {
          "@type": "QuantitativeValue",
          "minValue": 1,
          "maxValue": 3
        }
      }
    }
  },
  "aggregateRating": {
    "@type": "AggregateRating",
    "ratingValue": "4.6",
    "reviewCount": "328"
  }
}

{
  "@context": "https://schema.org",
  "@type": "Product",
  "name": "有機抹茶ラテミックス 200g",
  "description": "京都府産の有機抹茶を使用。お湯を注ぐだけで本格抹茶ラテが完成。",
  "image": "https://example.com/images/matcha-latte.jpg",
  "brand": {
    "@type": "Brand",
    "name": "あなたのブランド名"
  },
  "offers": {
    "@type": "Offer",
    "price": 1980,
    "priceCurrency": "JPY",
    "availability": "https://schema.org/InStock",
    "priceValidUntil": "2027-03-31"
  },
  "nutrition": {
    "@type": "NutritionInformation",
    "calories": "45 kcal",
    "servingSize": "1杯分（10g）",
    "sugarContent": "3.2 g",
    "proteinContent": "1.8 g"
  },
  "additionalProperty": [
    {
      "@type": "PropertyValue",
      "name": "原産地",
      "value": "京都府宇治市"
    },
    {
      "@type": "PropertyValue",
      "name": "認証",
      "value": "有機JAS認証"
    }
  ]
}

{
  "@context": "https://schema.org",
  "@type": "Product",
  "name": "薬用美白美容液 30mL",
  "description": "ビタミンC誘導体配合の医薬部外品。シミ・そばかすを防ぎ、透明感のある肌へ。",
  "image": "https://example.com/images/serum-vc.jpg",
  "brand": {
    "@type": "Brand",
    "name": "あなたのブランド名"
  },
  "category": "スキンケア > 美容液",
  "offers": {
    "@type": "Offer",
    "price": 5980,
    "priceCurrency": "JPY",
    "availability": "https://schema.org/InStock",
    "priceValidUntil": "2027-03-31"
  },
  "aggregateRating": {
    "@type": "AggregateRating",
    "ratingValue": "4.8",
    "reviewCount": "512"
  },
  "review": [
    {
      "@type": "Review",
      "author": { "@type": "Person", "name": "利用者A" },
      "reviewRating": {
        "@type": "Rating",
        "ratingValue": "5"
      },
      "reviewBody": "1ヶ月使用でトーンアップを実感。べたつかずサラッとした使用感。"
    }
  ]
}

[
  {
    "@context": "https://schema.org",
    "@type": "Product",
    "name": "ワイヤレスノイズキャンセリングヘッドホン XM5",
    "description": "業界最高クラスのノイキャン性能。30時間連続再生。マルチポイント接続対応。",
    "image": "https://example.com/images/headphone-xm5.jpg",
    "brand": {
      "@type": "Brand",
      "name": "TechAudio"
    },
    "offers": {
      "@type": "Offer",
      "price": 39800,
      "priceCurrency": "JPY",
      "availability": "https://schema.org/InStock",
      "priceValidUntil": "2027-03-31"
    },
    "aggregateRating": {
      "@type": "AggregateRating",
      "ratingValue": "4.7",
      "reviewCount": "1284"
    }
  },
  {
    "@context": "https://schema.org",
    "@type": "FAQPage",
    "mainEntity": [
      {
        "@type": "Question",
        "name": "XM5のバッテリー持続時間は？",
        "acceptedAnswer": {
          "@type": "Answer",
          "text": "ノイズキャンセリングON時で約30時間、OFF時で約38時間の連続再生が可能です。急速充電にも対応しており、3分の充電で約1時間再生できます。"
        }
      },
      {
        "@type": "Question",
        "name": "XM5は複数デバイスの同時接続に対応していますか？",
        "acceptedAnswer": {
          "@type": "Answer",
          "text": "はい。マルチポイント接続に対応しており、スマートフォンとPCなど2台同時に接続できます。着信時は自動でスマートフォンに切り替わります。"
        }
      }
    ]
  }
]

{
  "@context": "https://schema.org",
  "@type": "LocalBusiness",
  "name": "あなたのブランド名",
  "description": "オーダーメイドスーツのD2Cブランド。初回採寸から納品まで最短2週間。",
  "url": "https://example.com",
  "image": "https://example.com/images/store-front.jpg",
  "priceRange": "¥¥",
  "address": {
    "@type": "PostalAddress",
    "addressCountry": "JP",
    "addressRegion": "東京都",
    "addressLocality": "渋谷区"
  },
  "geo": {
    "@type": "GeoCoordinates",
    "latitude": 35.6580,
    "longitude": 139.7016
  },
  "openingHoursSpecification": {
    "@type": "OpeningHoursSpecification",
    "dayOfWeek": ["Monday","Tuesday","Wednesday","Thursday","Friday"],
    "opens": "10:00",
    "closes": "19:00"
  },
  "hasOfferCatalog": {
    "@type": "OfferCatalog",
    "name": "サービス一覧",
    "itemListElement": [
      {
        "@type": "Service",
        "name": "オーダーメイドスーツ",
        "description": "採寸から納品まで最短2週間。生地300種類以上から選択可能。",
        "offers": {
          "@type": "Offer",
          "price": 49800,
          "priceCurrency": "JPY"
        }
      }
    ]
  }
}

{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "構造化データはAI検索に効果がありますか？",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "構造化データはページ内容を機械可読に表す形式ですが、実装だけでAI引用・順位・成果が上がることは保証されません。画面表示とJSON-LDを一致させ、公式テストと固定条件のAI可視性観測を分けて記録してください。"
      }
    },
    {
      "@type": "Question",
      "name": "構造化データの実装にかかる時間は？",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Organization + FAQPage の基本実装であれば、1ページあたり30分程度で完了します。ECサイトの商品ページにProduct + Offerを一括実装する場合は、CMSのテンプレート修正が必要なため、開発リソースとして1-2日を見込んでください。"
      }
    },
    {
      "@type": "Question",
      "name": "JSON-LDとMicrodataのどちらを使うべきですか？",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "JSON-LDを推奨します。Googleも公式に推奨しており、HTMLのheadセクションにscriptタグとして配置するだけなので、既存のHTMLを変更する必要がありません。また、AIエンジンはJSON-LD形式のデータをより正確にパースできます。"
      }
    }
  ]
}