Design with Confidence.
Build with Care.
Kuukan Design is a Tokyo-based architectural design firm dedicated to creating spaces that are both beautiful and trustworthy — for people, communities, and the future.
「美しいデザイン」と「安心できる建築設計」の共存
Who We Are
Kuukan Design Inc. is a team of professional architects and design specialists based in Tokyo, Japan. Since our founding in 1996, we have pursued a single mission: to bring beauty, quality, and peace of mind to every space we design.
We work across a wide range of project types — from public facilities and healthcare environments to residential complexes and commercial interiors. Rooted in our local community and guided by the principles of sustainable design, we are committed to creating architectural legacies that enrich society for generations to come.
To bring beauty and richness to every space — not just aesthetically, but in the quality of the air, the experience, and the life lived within it.
We combine technical precision with creative design. From initial concept to construction supervision, we maintain rigorous quality standards at every stage.
Speed, teamwork, and responsiveness. We move quickly, collaborate closely, and stay accountable — so our clients can focus on what matters most.
Selected Work
Narita International Airport
Complete renovation of 146 passenger restrooms across Terminal 1 & 2. Themed around "Snow, Moon, and Flower" — iconic Japanese seasonal imagery — to express the spirit of Japanese hospitality to international visitors.
Public Facility ／ Interior Design
Narita Airport — Design Concept
Each zone was given a distinct aesthetic identity drawn from traditional Japanese craft and seasonal beauty. The result is a passenger experience that feels unmistakably Japanese — refined, calm, and welcoming.
Public Facility ／ Interior Design
Nagominosato Hospital Courtyard
Redesign of three interior courtyards at a long-term care hospital in Kyoto. Drawing on Zen garden aesthetics and Japanese landscape traditions, the project transforms underutilized spaces into healing environments for elderly patients.
Healthcare ／ Landscape DesignWhat We Do
Architectural Design
New construction and renovation projects across commercial, residential, healthcare, and public sectors.
Sustainable Design (ZEB)
Certified ZEB Planner. We integrate net-zero energy building strategies from the earliest design phase.
Interior Design
Thoughtful interiors that balance function, material quality, and the well-being of the people who use them.
Landscape Design
Outdoor and courtyard environments designed to connect people with nature and support community life.
Seismic Assessment
Structural safety evaluations for RC, steel, and SRC buildings, with full renovation and reinforcement planning.
Construction Supervision
On-site management with our "One-Day Response" commitment — keeping projects on time and on budget.
About the Firm
| Company Name | Kuukan Design Inc.株式会社空間デザイン |
|---|---|
| Founded | September 1996 |
| Tokyo Office (Headquarters) |
Kita Bldg. 5F, 3-12-9 Minami-Otsuka, Toshima-ku, Tokyo 170-0005 TEL：03-5980-8535 FAX：03-5980-8536 |
| Osaka Office | Simpress Esaka Bldg. 402, 3-24-1 Tarumimachi, Suita, Osaka 564-0062 TEL：06-6192-8751 FAX：06-6192-8752 |
| Vietnam Office | Kuukan Design Architects Vietnam Co., Ltd. Room 311-312, 3F, X2 Office Building, 458 Nguyen Huu Tho Street, Da Nang City, Vietnam TEL：+84-979-814-788 |
| Representative | Hiroaki Abe, President & CEO代表取締役 阿部 弘明 |
| Staff | 26 professionals (Osaka HQ: 16 ／ Tokyo: 10) |
| Capital | ¥10,000,000 |
| License | Registered First-Class Architect Office (Osaka Prefecture / Tokyo Metropolitan) |
Quality & Standards
Quality Management
Environmental Management
Net-Zero Energy Building
No. L0000017
Business Continuity Plan
Management Excellence
Find Us
🗼 Tokyo Office (HQ)
Kita Bldg. 5F
3-12-9 Minami-Otsuka
Toshima-ku, Tokyo 170-0005
📍 JR Yamanote Line "Otsuka Station" — 7 min. walk
🏙 Osaka Office
Simpress Esaka Bldg. 402
3-24-1 Tarumimachi
Suita, Osaka 564-0062
📍 Midosuji Line "Esaka Station" — 5 min. walk
Let's Work Together
We welcome inquiries from international clients and partners. Please reach out — we'd be glad to discuss your project.
Contact Us →