Localize the strings below from [source language] into [target languages, e.g. German, French, Italian, Polish, Swedish].

Audience: [who, e.g. small-business owners using a mobile invoicing app]
Tone: [e.g. friendly, direct, informal "you" where the language allows]
Glossary (keep exactly or use the given translation): [term = translation per language, or "do not translate: [brand terms]"]
Length: each translation must be at most [N]% longer than the source; flag any that can't fit.
Keep placeholders like {name} and HTML tags unchanged.

Strings (key: text):
[key_1]: [text]
[key_2]: [text]

Return JSON: {"[language code]": {"[key]": "[translation]"}} followed by a short "Notes for reviewers" list (ambiguities, cultural issues, strings over the length limit).