Themed Poster Layout Design

{"type": "2x2 grid of promotional banner ads", "theme": "{argument name=\"course theme\" default=\"Social Media Content Creation School\"}", "panels": [{"position": "top-left", "color_palette": "light blue and pink pastel gradient", "subject": "young woman smiling, resting chin on hand, smartphone and ring light in foreground", "typography": {"headline": "{argument name=\"top left headline\" default=\"発信を仕事に変える SNSスクール\"}", "subheadings": ["好きが、私の未来になる！", "クリエイター志望歓迎！"]}, "layout_elements": {"bullet_points_count": 3, "call_to_action_button": "pink button labeled '無料体験 >'"}}, {"position": "top-right", "color_palette": "deep blue and cyan angular", "subject": "young man looking intently at a e

Tight medium-shot composition with clear focal point and balanced negative space.

Even high-key studio lighting for clean product clarity.

Layered foreground and background elements creating spatial depth.

Polished commercial render with brand-ready clarity.

Premium finish — clean edges, true-to-life shadows, color-graded contrast.