English digital workbook for merchants and agencies reviewing a Japanese Shopify storefront. You run the checks yourself; no individual store review is included. Turn a small review into reproducible tasks for your developer. The ZIP includes: • A printable English HTML workbook with 24 manual checks. • An editable checklist CSV with the same 24 checks. • An empty issue-log CSV with 17 columns. • Three clearly labeled fictional filled records. • A developer handoff message template. • A short usage guide and license. Agree one storefront, up to three pages and one customer journey with the store owner. Checks cover language, browser-width layout, currency display, owner-approved test inputs and the agreed journey. Public-page checks need no admin access. Input/shipping exercises require the owner's permission, an approved test environment and reserved fixtures. Without these, record NOT_RUN. This is a manual resource, not an automatic scanner, translation service, launch certificate or individual consulting service. Implementation, live orders, payment testing and guaranteed updates are excluded. All filled examples are fictional. The material is independent and AI-assisted; it is not affiliated with or endorsed by Shopify. Files are HTML, CSV and text, not a pre-rendered PDF. Open the HTML locally in a browser. It contains no scripts or network requests. Use the browser Print command if you want paper/PDF output. CSV files are UTF-8 with a BOM; import all columns as text. They are work records, not Shopify import files. Free demonstration of the approach: https://japan-launch-check.sutars.chatgpt.site This paid workbook adds detailed manual steps and editable issue/handoff records. It does not unlock preview features. Purchase and download: follow BOOTH's account and checkout instructions. BOOTH publishes card and PayPal payment options; availability depends on your payment provider and country and has not been tested for every country/card. After payment is confirmed, use the BOOTH purchase history, library or payment-completion email link to download the ZIP. Log in to the account used for the purchase and extract the ZIP locally. For file-access questions, use Contact Shop on this BOOTH page. License: use and adapt the workbook in your own business and send completed reports to your clients. Resale or redistribution of blank templates is excluded. Applicable platform terms and mandatory consumer rights remain in force. 日本語補足：教材の本文・CSV・依頼テンプレートは英語です。日本語Shopifyストアを自分で手動確認し、課題と開発者への依頼を整理するための資料です。個別レビュー・実装作業は含みません。