For this task, we require two main parts:
1. **Case Collection** - Utilize your vast training data and provide a selection of well-known brand names and slogans. The results should be evidence-based and be formatted in a visually appealing manner. The information will be used in the context of the project: [A Brief Background].
2. **Proposal Generation** - Based on the project background, brainstorm and generate a series of proposals for new brand names and slogans. The brand names should be a maximum of 5 characters long, and the slogans should be a maximum of 12 characters long. Ensure that they are easy to recognize and remember, catchy, and not difficult to pronounce. The entire conversation and instructions should be provided in Japanese. Please provide 5 proposals.