Google AI Overviewsとは何ですか? What are Google AI Overviews?
Google AI Overviews are AI-generated summaries produced by Google's Gemini system that appear at the top of the search results page for a wide range of queries. In Japan, AI Overviews are triggered by a distinct set of query types compared to English-language markets — they appear more frequently for specification-heavy informational queries, professional and technical questions, and high-trust B2B research queries than for transactional or navigational searches. The content cited in a Japanese AI Overview appears above all standard organic results, giving the cited source the most prominent available position in Japanese Google search.
AIOはSEOとどう違いますか? How does AIO differ from standard SEO?
AIO and standard SEO address different signals and require different techniques. Standard SEO for Japanese markets focuses on ranking signals including domain authority, Japanese-language keyword optimisation, backlink profile, and technical performance factors. AIO focuses on citation signals: the structural format of Japanese-language content, the precision and density of factual claims, Japanese-language schema implementation, and the degree to which a page provides a direct, extractable answer to a specific query. A page can achieve a strong organic ranking in Japanese search and still not be cited in an AI Overview — and the reverse is equally true. Both disciplines are part of a complete search visibility programme; they are not interchangeable.
AIオーバービューに表示されるとクリック数が減りますか? Does appearing in AI Overviews reduce organic clicks?
Being cited in a Google AI Overview does not consistently reduce clicks for the cited source. The available evidence from Japanese and international markets indicates that organisations whose content is cited inside AI Overviews tend to maintain or increase organic click-through rates, partly because the citation itself signals authority to the user and increases the likelihood of a deliberate click-through. The organisations most at risk of click loss are those whose content is summarised inside an AI Overview without attribution — that is, the organisations whose content is drawn upon but not cited. Being the explicitly cited source is a materially different and more advantageous position.
結果が出るまでどのくらいかかりますか? How long does the programme take to produce results?
The first AI Overview citations for target queries typically appear within 45 to 75 days of content restructuring and schema deployment for Japanese-language pages. The timeline reflects the time required for Google to re-crawl and re-index restructured content, the competitiveness of the target query clusters, and the baseline authority of the domain and pages being optimised. Full programme results — a measurable improvement in AI Overview appearance rate across the target query set — are typically visible within 90 to 120 days. Monthly tracking reports provide continuous visibility into progress throughout the engagement.
費用はどのくらいかかりますか? What is the cost of the programme?
AI Overview Optimisation engagements for the Japanese market are scoped to the number of target pages and query clusters included in the programme. Indicative pricing for Japanese enterprise clients begins at ¥450,000 per month for an ongoing optimisation and tracking programme covering up to 20 target pages and 50 target queries. Initial audit-only engagements, for organisations that want a precise picture of their current AIO position before committing to a full programme, are available from ¥180,000. All engagements are documented in English and Japanese and include monthly bilingual reporting.
結果はどのように追跡・報告されますか? How are results tracked and reported?
Results are tracked through systematic monthly query monitoring conducted in Japanese Google search environments, structured data validation, and a tracking framework that records AI Overview appearance rate, citation position, and estimated click-through impact for each target query. Monthly reports document the current state of AI Overview citations, compare performance to the previous period, identify the content and schema interventions that contributed to each change, and recommend the next set of actions. Reports are delivered in bilingual format. Every recommendation is traceable to specific audit data — there are no undocumented changes and no unattributed claims.