4-Panel SaaS Ad Banner Variations

A 2x2 grid of Japanese web advertising banner variations for an AI-powered no-code website builder called HP BOOSTER, each panel featuring bold Japanese headline typography, laptop and smartphone mockups showing a clean business website, icon rows for AI generation, no-code editing, SEO, mobile support, and speed, with strong call-to-action buttons; top-left dark navy burst background with gold accents, top-right bright white minimal layout with teal highlights, bottom-left energetic yellow comic-style layout with black rays, bottom-right premium black-and-gold conversion-focused layout, polished modern SaaS marketing design, crisp vector graphics, glossy device renders, high contrast commercial ad composition, flat front-facing view, sharp print-ready detail.