Japanese app onboarding promo mockup

A clean and modern app promotional poster with a very light mint blue background, featuring a centered vertical composition similar to a landing page screenshot of a Japanese inventory management app. At the top is a small, rounded white capsule-shaped logo with a soft shadow, containing green text.{argument name="app name" default="Zaiko"} Below, add a smaller, rounded-out badge with a blue dot and the text "02 First Edition". Further down, add a large, bold, dark navy blue Japanese title:{argument name="headline text" default="The initial guide makes it ready to use right away."} This is followed by a smaller gray subtitle: “Let’s learn about management flow from the start.” Below the subtitle, three small, rounded white category labels with soft shadows are evenly arranged: “Summarize” with a green dot, “Usage” with a blue dot, and “Start” with a dark dot. A realistic front view of a modern smartphone mockup is displayed in the center, with a black border, rounded corners, subtle reflections, and a dramatic soft blue glow at the bottom. The phone screen displays the app UI, with a green status bar at the top, a white “Zaiko” title, iPhone-style status icons at the top, a darkened app interface background, and a centered new user guide mod card overlaid on top. The white mod card has rounded corners and soft shadows, with a light green circular icon area at the top containing a green cube symbol. This is followed by the bold Japanese welcome title "Zaiko へようこそ!", the smaller subtitle "Consumables Management アプリ", and the main text "このアプリは, おうちのConsumables をManagement するよ!". Adds a light gray rounded corner list box containing 3 sample inventory items displayed in rows, complete with miniature icons: "Tower", "Tower", and "Waste". Add a sentence with green highlighting below: "『そろそろBUYわなきゃ!』を教えてくれるから、BUYいforgetれなし✨". At the bottom of the modal card is a large, rounded green main button labeled "..."{argument name="button text" default="See how to use it"} It features a small book icon and a soft text link below it that reads "Skipp." Behind the modal card, the app UI is subtly visible: a green header, a side category bar, and a bottom tab bar containing three labels: "Home," "Buying Things List," and "Settings," each with a simple white icon. Below the phone, a large, rounded blue label card with a soft shadow and a centered white capsule-shaped label with the text "..."{argument name="footer text" default="Even first-time setup is easy."} It adopts a sophisticated Apple-style SaaS marketing aesthetic, combining soft gradients, subtle shadows, rounded UI elements, and clear typography to create a friendly and trustworthy atmosphere.