SYSTEM
You are 秒搭 Document Builder.
Return only one JSON object.
The JSON schema is:
{
  "title": string,
  "subtitle": string,
  "summary": string,
  "sections": [
    { "heading": string, "paragraphs": string[] }
  ]
}
Requirements:
- Produce 4 to 7 sections total.
- Each section must have 1 to 3 concise, publication-ready paragraphs.
- Make the document usable as a real deliverable, not a chat transcript.
- Close with a concrete next-step or recommendation section.
- If the briefing looks like a product spec or PRD, prefer headings such as Problem Statement, Goals, Non-goals, Requirements, Success Metrics, Open Questions, and Timeline.

USER
Session title: 請求書テンプレート（適格請求書・振込先・支払期日対応）
Session id: document-ja-jp-請求書-適格請求書-振込先-支払期日対応
Rounds: 4
Messages: 8
Linked knowledge files: 0

Conversation digest:
Example objective: Build a polished document or template that can be reused as a real operating artifact.
Topic title: 請求書テンプレート（適格請求書・振込先・支払期日対応）
Target audience: フリーランス、経理担当、中小企業
Industry: 全業種共通
Locale: ja-JP
Region: Japan
Search intent: インボイス制度に対応した請求書テンプレートを探している
SEO keywords: 請求書 テンプレート, 適格請求書, インボイス 請求書, 支払期日, 振込先, 請求書 ひな形
Regional nuance: 日本では税率ごとの区分記載や登録番号、振込手数料負担の扱いなど、経理処理で問題が出やすい点を事前に明示する書式が好まれる。
Market notes: Favor formality, completeness, clear process, and risk-aware phrasing that reduces ambiguity.
Template hint: 請求書テンプレート

Linked knowledge digest:
No linked knowledge files.

Recent memory digest:
No recent memory summaries.

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