Skip to content
Kaisen Viking Iroha Primair Functie: Restaurantinterieur by Daiki Inoshita

Kaisen Viking Iroha Primair Functie: Restaurantinterieur by Daiki Inoshita is a highly esteemed winner of the very prestigious 2026 A' Design Award in Zilver in Interieur en Tentoonstellingsontwerp Competition Category.


ZilverInterieur· 2026

Kaisen Viking Iroha Primair Functie: Restaurantinterieur

by Daiki Inoshita

Client: H.I.S. Co., Ltd.

A' Design Award in Zilver Winner in Interieur Category

Colors

Email this page

The Design

About Kaisen Viking Iroha Primair Functie: Restaurantinterieur

Boektekst: Kaisen Viking Iroha is een buffetrestaurant met hoge capaciteit dat dineren herdefinieert als een ruimtelijke en stedelijke ervaring. Een centraal geplaatste buffettoonbank organiseert de circulatie in een doorlopende lus, waardoor opstoppingen worden verminderd en de overzichtelijkheid wordt vergroot. Het ontwerp integreert panoramische uitzichten op Tokyo Dome City als een actief onderdeel van het interieur, waardoor de stad in een dynamische achtergrond wordt getransformeerd. Natuursteen en kopshout brengen duurzaamheid en materiële diepte aan. Het project tilt buffetdineren naar een meeslepend ruimtelijk systeem.

The Recognition

About the A' Design Award in Zilver

Kaisen Viking Iroha Primair Functie: Restaurantinterieur is winnaar van de A' Design Award in Zilver, een buitengewoon prestigieuze erkenning die wordt toegekend aan topontwerpen die prachtig en indrukwekkend zijn. Winnaars in Zilver zijn enorm briljante en uiterst creatieve werken die de uitmuntende expertise, het talent en de scherpzinnigheid van hun ontwerpers illustreren. Kaisen Viking Iroha Primair Functie: Restaurantinterieur wordt verwacht een prachtig paradepaardje te zijn dat opmerkelijk professioneel en diepgaand innovatief is. Dit ontwerp dat de A' Design Award in Zilver heeft gewonnen, is een hoogst opmerkelijke, bewonderde uitvinding die baat en de grenzen van kunst, wetenschap, ontwerp en technologie verlegt. Kaisen Viking Iroha Primair Functie: Restaurantinterieur is een zeer benijde creatie die verlangens oproept, positieve gevoelens brengt en verbazing en verwondering doet ontvlammen.

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.

Sponsored

Explore Beyond Designers.org

Discover products, services and opportunities from our advertising partners.

Good Design Deserves Great Recognition

Nominate Your Work for the A' Design Award.

Nominate