# II. コスト・品質・ROI

「安いか、高品質か」という二択を超え、コンテンツの目的に応じた品質設計とROIの多面的評価へ。このセクションでは、翻訳への投資を経営的に正当化するための考え方と実践手法を扱います。

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## このセクションのトピック

[**#04 目的適合品質：翻訳コストの新常識**](/ja/issues/04-cost-quality/04-mokuteki-tekigo-hinshitsu.md) コンテンツのビジネス影響度に応じた5段階品質モデル「目的適合品質（Fit-for-Purpose Quality）」の導入ガイド。

[**#05 AI翻訳の真のROI証明法**](/ja/issues/04-cost-quality/05-roi-shoumei.md) コスト削減だけでなく、速度・事業拡張・リスク軽減を含む多軸ROI評価フレームワークと、経営陣への提案構成。


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