일본 만화 스타일 SaaS 설명 만화

A square 2x2 Japanese manga-style promotional comic explaining [A/B testing automation] for landing pages, with a friendly SaaS aesthetic. The canvas is divided into four equal panels separated by thick black gutters, numbered in traditional Japanese reading order with small white number boxes: 1 at top-right, 2 at top-left, 3 at bottom-right, 4 at bottom-left. Characters: - Main character: A young Japanese male designer, late 20s, short messy black hair, expressive face, wearing a light blue button-up shirt and a dark navy apron (consistent in all panels). - Mascot in Panel 2: A cute small robot assistant with a round black screen face, glowing eyes, white body, blue ear modules, and a small antenna. Panel Details: - Panel 1 (Top-Right): Nighttime office. The designer sits slumped at his desk, running a hand through his hair, looking anxious. Outside the window is a dark city skyline with a crescent moon. Wall clock shows midnight. Desk has a white coffee mug, notebook, and papers. Speech bubble text: 「デザインAとB… どっちが売れるんだ…」 - Panel 2 (Top-Left): Bright office. The robot assistant gestures towards the laptop. The designer leans in with an intrigued smile, touching his chin. The laptop screen displays an A/B test setup UI with two cards labeled 「デザインA」 and 「デザインB」, test dates 「4/20～4/26」, a 50%/50% traffic slider, and a blue button labeled 「テストを開始する」. Speech bubble text: 「両方試して、お客さんに決めてもらいましょう」 - Panel 3 (Bottom-Right): Nighttime automation. The designer sleeps peacefully with folded arms in his chair with "Z" marks. A clock shows midnight. Three calendar pages hang above: 「4/20(日)」, 「4/21(月)」, 「4/22(火)」 connected by arrows. Foreground laptop screen titled 「本日の表示パターン」 displays three alternating design cards (デザインA, デザインB, デザインA...). Top caption box: 「毎日0時に自動で切り替え。あなたは何もしなくてOK」 - Panel 4 (Bottom-Left): Triumphant celebration. The designer excitedly pumps his fist with a bright smile. Laptop screen shows a bar chart titled 「テスト結果（クリック率）」 comparing Bar A (gray, 1.2%) and Bar B (blue, 1.68%), with a red upward arrow and a 「1.4倍!」 badge, a gold ribbon labeled 「勝者B」, and text 「自動で本採用」. Speech bubble text: 「Bがクリック率1.4倍！ 勝者は自動で本採用」. Small reaction bubble: 「勘、いらなかった…」 Style: Clean hand-drawn ink linework, soft watercolor shading, subtle halftone screentones, cream off-white paper texture, legible Japanese typography in speech bubbles and UI elements.