{
  "@context": "https://schema.org",
  "@graph": [
    {
      "@type": "Organization",
      "@id": "https://protein-fact.com/#organization",
      "name": "Protein Fact",
      "url": "https://protein-fact.com",
      "description": "プロテインに関する科学的事実を、論文・数値・製品スペックに基づいて解説する独立メディア。",
      "publishingPrinciples": "https://protein-fact.com/editorial-policy"
    },
    {
      "@type": "WebSite",
      "@id": "https://protein-fact.com/#website",
      "name": "Protein Fact",
      "url": "https://protein-fact.com",
      "publisher": {
        "@id": "https://protein-fact.com/#organization"
      },
      "inLanguage": "ja"
    },
    {
      "@type": "Article",
      "@id": "https://protein-fact.com/getting-started/protein-beginners-guide#article",
      "headline": "プロテインを初めて選ぶ人が知っておくべきこと — 種類・選び方・飲み方の科学的ガイド",
      "description": "プロテインの種類（WPC・WPI・WPH・ソイ）の違い、1日の必要量、甘味料の選び方、成分表示の読み方を科学的根拠とともに初心者向けに整理する。ISSNは運動する人に1.4-2.0g/kg/日のタンパク質を推奨しており（Jäger 2017）、ホエイプロテインはロイシン含有量と吸収速度で優位性を持つ。",
      "datePublished": "2026-03-19T00:00:00.000Z",
      "dateModified": "2026-03-19T00:00:00.000Z",
      "keywords": "プロテイン, 初心者, 選び方, WPC, WPI, WPH, 飲み方, 甘味料",
      "publisher": {
        "@id": "https://protein-fact.com/#organization"
      },
      "mainEntityOfPage": {
        "@id": "https://protein-fact.com/getting-started/protein-beginners-guide"
      },
      "isPartOf": {
        "@id": "https://protein-fact.com/#website"
      }
    },
    {
      "@type": "BreadcrumbList",
      "@id": "https://protein-fact.com/getting-started/protein-beginners-guide#breadcrumb",
      "itemListElement": [
        {
          "@type": "ListItem",
          "position": 1,
          "name": "Protein Fact",
          "item": "https://protein-fact.com"
        },
        {
          "@type": "ListItem",
          "position": 2,
          "name": "はじめに",
          "item": "https://protein-fact.com/getting-started"
        },
        {
          "@type": "ListItem",
          "position": 3,
          "name": "プロテインを初めて選ぶ人が知っておくべきこと — 種類・選び方・飲み方の科学的ガイド"
        }
      ]
    }
  ]
}