Kaisen Viking Iroha Fonction principale : Intérieur de restaurant by Daiki Inoshita is a highly esteemed winner of the very prestigious 2026 A' Design Award d'Argent in Design d'Intérieur Competition Category.
ArgentIntérieur· 2026
Kaisen Viking Iroha Fonction principale : Intérieur de restaurant
Client: H.I.S. Co., Ltd.
A' Design Award d'Argent Winner in Intérieur Category
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- Verified Award Winner
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The Design
About Kaisen Viking Iroha Fonction principale : Intérieur de restaurant
Texte du livre : Kaisen Viking Iroha est un restaurant buffet de grande capacité qui redéfinit l'expérience culinaire comme une expérience spatiale et urbaine. Un comptoir buffet positionné au centre organise la circulation en une boucle continue, réduisant l'encombrement tout en améliorant la lisibilité. La conception intègre des vues panoramiques sur le Tokyo Dome City comme composante active de l'intérieur, transformant la ville en une toile de fond dynamique. La pierre naturelle et le bois de bout apportent durabilité et profondeur matérielle. Le projet élève le repas-buffet au rang de système spatial immersif.
The Recognition
About the A' Design Award d'Argent
Kaisen Viking Iroha Fonction principale : Intérieur de restaurant est lauréat de l'A' Design Award d'Argent, une reconnaissance énormément prestigieuse décernée à des designs haut de gamme, superbes et impressionnants. Les lauréats Argent sont des œuvres tout à fait brillantes et extrêmement créatives qui illustrent l'expertise, le talent et la perspicacité remarquables de leurs concepteurs. Kaisen Viking Iroha Fonction principale : Intérieur de restaurant est censé être une œuvre merveilleuse, une vitrine de savoir-faire, remarquablement professionnelle et profondément innovante. Ce design lauréat de l'A' Design Award d'Argent est une invention très notable et admirée, qui sert l'art, la science, le design et la technologie et en repousse les limites. Kaisen Viking Iroha Fonction principale : Intérieur de restaurant est une création très enviée qui éveille les désirs, apporte des sentiments positifs et suscite émerveillement et étonnement.
Behind the Design
Press Kit
Credits, team members and technical details provided by the designer.
- Unique Properties
- Kaisen Viking Iroha reinterprets the conventional buffet by synchronizing spatial composition, circulation, and urban context. A centrally positioned buffet counter organizes movement, while the surrounding panoramic views of Tokyo Dome City establish a continuous dialogue between interior and exterior.
The design shifts the buffet from a purely functional dining system into a layered experience where guests engage with food, space, and city simultaneously. Material selections such as natural stone and end-grain wood reinforce durability while expressing the passage of time, creating a tactile and atmospheric depth rarely achieved in high-turnover dining environments. - Dimensions & Packaging
- Restaurant interior project featuring a centrally positioned buffet counter, fixed seating zones, and integrated bar functions. Materials include natural stone, end-grain wood, metal framing, and indirect lighting systems. The layout was designed to accommodate high guest turnover while maintaining clear circulation and efficient staff access within a large-scale dining environment.
- Tags
- Restaurant Interior, Buffet Restaurant, Japanese Contemporary Design, Interior Architecture, Material Expression, Dining Experience, Spatial Circulation, Urban Dining Experience
- Production Technology
- The interior was realized through close coordination between spatial planning, custom-built buffet counters, and integrated lighting systems. Natural stone surfaces and end-grain wood elements were precisely fabricated to withstand intensive daily use. Layered indirect lighting enhances material depth while supporting operational clarity. The project balances craftsmanship with efficiency through detailed construction management and material selection.
- Design Challenge
- The primary challenge was to integrate high operational efficiency with a meaningful spatial identity that connects the dining experience to its urban surroundings. This required balancing durability, circulation clarity, and visual openness without compromising comfort or atmosphere.
- Research
- Type of Research: Spatial and operational design research.
Research Objectives: To elevate the buffet dining experience through spatial quality.
Methodology: Analysis of circulation, material durability, and user behavior.
Results: Enhanced operational efficiency and a redefined dining experience that integrates urban context as a spatial asset. The project demonstrates that high-turnover restaurants can achieve both performance and experiential depth by aligning circulation, materiality, and environmental integration. - Inspiration
- The project redefines the buffet as an urban dining experience, integrating the surrounding Tokyo Dome Cityscape into the interior as an active spatial component. Inspired by the Japanese concept of borrowed scenery, the design captures the energy, light, and temporal shifts of the city, transforming them into an integral part of the dining experience.
Rather than isolating the interior from its context, the project embraces the city as a dynamic backdrop, allowing guests to experience both the immediacy of food and the evolving presence of the urban environment simultaneously. - Project Duration
- The project was designed and completed in 2025 in Tokyo Dome City, Tokyo, Japan.
- Operation Flow
- Guests enter through a defined entrance sequence and naturally circulate around the central buffet counter. Seating areas offer multiple dining options, while staff workflows are optimized through clear zoning and direct access to service areas.
- Patents
- Copyrights belong to the project owner, 2025.
- Image Credits
- Image #1: Photographer Satoru Umetsu (Nacása & Partners Inc.), Kaisen Viking Iroha, 2025.
Image #2: Photographer Satoru Umetsu (Nacása & Partners Inc.), Kaisen Viking Iroha, 2025.
Image #3: Photographer Satoru Umetsu (Nacása & Partners Inc.), Kaisen Viking Iroha, 2025.
Image #4: Photographer Satoru Umetsu (Nacása & Partners Inc.), Kaisen Viking Iroha, 2025.
Image #5: Photographer Satoru Umetsu (Nacása & Partners Inc.), Kaisen Viking Iroha, 2025.
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