Case Study: A New Method to Engage Customers Before They Visit | Tsuruya Department Store Explains How a Diagnostic Content Increased Sales
Tsuruya Department Store implemented a digital diagnostic initiative using "Croissant," a no-code marketing tool by on the bakery Co., Ltd., for its 2026 White Day event. This strategy successfully engaged target demographics (women in their 20s-30s), drove store visits and purchases, and facilitated data acquisition, addressing previous challenges in understanding customer preferences and visualizing information channels.
📋 Article Processing Timeline
- 📰 Published: April 10, 2026 at 18:30
- 🔍 Collected: April 11, 2026 at 00:29 (5h 59m after Published)
- 🤖 AI Analyzed: April 20, 2026 at 00:49 (216h 20m after Collected)
We have published a case study interview on our company's HP featuring Tsuruya Department Store, which introduced "Croissant," a no-code marketing tool developed and operated by on the bakery Co., Ltd. (Head Office: Yokohama City, Kanagawa Prefecture, Representative: Ido Yuya).
Click here for the case study interview
## ■ Background of Implementation
Tsuruya Department Store, a leading long-established department store representing Kumamoto, has traditionally collected customer feedback through visitor surveys. However, they faced challenges such as:
- Difficulty in quantitatively grasping visitor preferences and purchase motivations
- Inability to visualize information contact pathways
In light of this, they decided to implement a digital diagnostic initiative using "Croissant" for the 2026 White Day event "Cookie Hyakkaten," with the aim of promoting visits and purchases among women in their 20s to 30s and acquiring data.
## ■ Campaign Overview
This campaign involved the deployment of two content pieces designed to engage customers before and after their visit.
### ① Cookie Diagnostic (February 25th - March 10th)
- Classified cookie types based on 5 questions
- Guided users from the result screen to EC products
- Designed SNS sharing pathways
- Announced online, mainly through Instagram
### ② LINE Purchase Survey (March 11th - March 17th)
- Distributed QR codes to purchasers to encourage responses
- Increased participation rates through prize draws
Click here for the case study interview
## ■ Background of Implementation
Tsuruya Department Store, a leading long-established department store representing Kumamoto, has traditionally collected customer feedback through visitor surveys. However, they faced challenges such as:
- Difficulty in quantitatively grasping visitor preferences and purchase motivations
- Inability to visualize information contact pathways
In light of this, they decided to implement a digital diagnostic initiative using "Croissant" for the 2026 White Day event "Cookie Hyakkaten," with the aim of promoting visits and purchases among women in their 20s to 30s and acquiring data.
## ■ Campaign Overview
This campaign involved the deployment of two content pieces designed to engage customers before and after their visit.
### ① Cookie Diagnostic (February 25th - March 10th)
- Classified cookie types based on 5 questions
- Guided users from the result screen to EC products
- Designed SNS sharing pathways
- Announced online, mainly through Instagram
### ② LINE Purchase Survey (March 11th - March 17th)
- Distributed QR codes to purchasers to encourage responses
- Increased participation rates through prize draws