Japanese SaaS Ad Banner at Night

A sophisticated square Japanese-style digital banner ad for an AI e-commerce optimization tool. The image is divided into two main visual areas by a striking blue diagonal line extending from the top center to the lower left. The left third showcases a realistic nighttime home office scene: a tired young woman sits at a desk, her face blurred, resting her chin on her hand as she gazes at an open laptop. A warm desk lamp illuminates her and the desktop, a mug sits in the foreground, and scattered documents, bookshelves, and a clock on the wall are softly blurred against the dark background, creating an atmosphere of working late into the night. The right two-thirds features a dark blue gradient promotional panel with subtle financial growth graphics in the background: near the upper right corner is an upward line chart with an arrow and four light blue transparent bar charts. The panel is filled with a striking, oversized white Japanese title with a strong shadow, arranged in four rows:{argument name="headline text" default="You can now automate changing thumbnails late at night."} Add a white subheading below.{argument name="subheadline text" default="Rakuten-specific A/B testing automation tool"} The chart is accompanied by a thin cyan underline. Below it is a horizontal flow bar containing three white, rounded-corner cards connected by two cyan arrows pointing to the right. Card 1 shows two side-by-side thumbnails of handbags, labeled "Samune A" and "Samune B," with blue and gray percentage badges in the middle ("64.3%" and "35.7%" respectively), and marked "VS." Card 2 shows a thumbnail of a selected black handbag, with a small gold crown icon above it, a gray checkmark on the right, a cyan checkmark badge, and a small Japanese title indicating automatic optimization above. Card 3 shows a simple analytical chart with axes, including several blue bars, a pink upward trend line, and Japanese labels about sales and CTR trends, with a pink result number "+47.2%" in the lower right corner. Add a bright pink, rounded-corner promotional badge to the bottom left corner, with two lines of eye-catching white Japanese text:{argument name="offer text" default="1-week free trial"} Add a dark navy blue rounded logo bar in the bottom right corner, containing a simple white geometric logo and a bold white sans-serif brand name.{argument name="brand name" default="Easy Creative"} It adopts a clean and modern SaaS advertising aesthetic, featuring high contrast, clear typography, glossy UI cards, subtle shadows, and a professional conversion-oriented layout, all in a 1:1 aspect ratio.