Ryoshu: Invoice PDF for Japan

For stores in Japan that need receipts (領収書) and qualified invoices (適格請求書). Receipts, qualified invoices and delivery notes as PDF with your registration number. Tax is split by rate (8％ / 10％) with one rounding per rate, matching Shopify; tax-inclusive stores mark 8％ items by product, tag or collection without changing tax settings. Customers download their own receipt with order number and email, guest checkout OK. Cancelled orders are blocked; partial refunds print the post-refund amount.