Charis Interior Space by Hiroki Takahashi is a highly esteemed winner of the very prestigious 2025 A' Design Award in Interior Space and Exhibition Design Competition Category.
IronInterior· 2025
Charis Interior Space
Client: Hiroki Takahashi Infinite Design
A' Design Award Winner in Interior Category
Verified Award Winner
Verify Award Status for #165468The Design
About Charis Interior Space
The interplay of contrasting materials establishes a new aesthetic equilibrium. Metallic accents and glassware subtly reflect light, adding a touch of sparkle to the space. The coolness of natural stone or marble seamlessly blends with the hardness of metal, creating a sophisticated atmosphere. Kumiko, a traditional Japanese woodworking technique, intricately combines small pieces of wood to form beautiful patterns, casting shadows and adding depth and movement to the space. These materials harmoniously balance the aesthetic and leave an exciting impression on visitors.
The Recognition
About the A' Design Award
Charis Interior Space is an Iron A' Design Award winner, a prestigious recognition granted to good designs that meet the professional and industrial requirements expected from well-designed creations. Iron winners demonstrate great skill, high specialization, expert understanding, and creative capacity of their creators. Charis Interior Space is expected to be a highly regarded, admired, and cherished creation that is practical and innovative. This Iron A' Design Award-winning design integrates industry best practices and has competent technical characteristics linked with know-how and talent. Charis Interior Space is respected for its thoroughness and is designed to provide quality of life improvements that help make the world a better place.
Where to Get It
Japanese-Inspired Architectural Design
We create sophisticated spaces that harmoniously blend traditional Japanese craftsmanship with modern materials. Our architectural approach fuses art and design, incorporating elements like kumiko woodwork alongside marble and metal to craft environments that transcend the senses and move the soul.
Discuss Your ProjectInterviews
Design Interview
What is the main principle, idea and inspiration behind your design?
My design is founded on the concepts of infinity, poetic space, material essence, and resonance with time. A childhood experience in a white, curved space made me realize the potential of architecture to transcend emotion and memory, and connect with eternity. The dialogue between light and shadow, mathematical beauty, and the sacred nature of beauty are deeply woven into my design philosophy.
What has been your main focus in designing this work? Especially what did you want to achieve?
I placed importance on creating a moment where the fleeting beauty of an instant transforms into an eternal impression. I aimed to realize a poetic spatial structure that changes with time by meticulously designing the angle of light, the texture of materials, and the flow of sightlines.
What are your future plans for this award winning design?
Going forward, this design will be developed in various forms tailored to different site conditions and climates. I also plan to present it in exhibitions and dialogues both in Japan and internationally, creating opportunities to share philosophical architecture and connect with diverse perspectives on beauty.
Grand Interview
Your innovative fusion of traditional Japanese kumiko woodworking with modern materials in Charis Interior Space has created a unique aesthetic balance - could you elaborate on how this harmonious blend emerged during your creative process?
This harmony emerged through quiet listening rather than deliberate contrast. Each material—kumiko, metal, and stone—carries not only form, but memory and rhythm. Kumiko brought cultural depth and precision, while metal and stone offered clarity and permanence. Rather than fusing them, I allowed their qualities to resonate—subtly aligning their presence through proportion, light, and atmosphere. What emerged was not synthesis, but attunement. The materials did not compete; they conversed—each holding silence differently, each contributing to a shared emotional geography.
The interplay of light reflection and shadow in Charis Interior Space, particularly through metallic accents and kumiko patterns, adds remarkable depth - what inspired your approach to incorporating these dynamic lighting elements?
I am drawn to the moments when light is not constant, but in transition—when it slips across surfaces and reveals space through its absence. In Charis, the kumiko patterns became a quiet filter for this movement, shaping light into rhythm and shadow into memory. The metallic accents amplify this modulation—not to dazzle, but to reflect the changing nature of time itself. What inspired me was the potential for light to become a co-creator of emotion—subtle, temporal, and alive.
Charis Interior Space showcases an intriguing combination of Sicilian marble, Patagonian granite, and Japanese kumiko - how did you overcome the challenge of harmonizing these culturally diverse materials while maintaining aesthetic cohesion?
I approached these materials not as representatives of cultures, but as carriers of atmosphere and time. Sicilian marble held a quiet luminosity, Patagonian granite offered anchoring depth, and kumiko conveyed precision and memory. Rather than seeking harmony through similarity, I composed their differences as a kind of spatial rhythm—each material entering and exiting the narrative like distinct voices in a shared silence. Their cohesion lies not in blending, but in mutual resonance—held together by restraint, light, and the stillness that surrounds them.
Behind the Design
Press Kit
Credits, team members and technical details provided by the designer.
- Unique Properties
- Combining metal, stone and kumiko creates a beautiful harmony between natural and modern.
Metallic accents and glassware reflect subtle light and add a touch of sparkle to the space.
The coolness of natural stone or marble blends with the hardness of metal to create a sophisticated atmosphere.
Kumiko is a traditional Japanese woodworking technique that combines small pieces of wood to create beautiful patterns, cast shadows, and add movement and depth to a space. - Dimensions & Packaging
- The size of the building is 340.96m2 in total floor space, 14.5m in width, 13.6m in depth, and 8.2m in height.
- Tags
- Hiroki Takahashi, Infinite Design, Japan, Housing Design, Sukiya
- Production Technology
- An attempt to harmonize different cultures and materials. This design was inspired by the geometric patterns of nature and traditional Japanese beauty, and was simulated multiple times using CAD software in pursuit of visual harmony and functionality.
- Design Challenge
- Spatial design has developed uniquely around the world, based on the historical background and materials specific to each region. This work combines materials and crafts from different regions, such as Sicilian marble, Patagonian granite, and Japanese kumiko crafts. Combining these materials was a new endeavor, and an important task was to verify whether the aesthetic balance was harmonious.
- Research
- This project aims to provide new aesthetic value to the space by fusing different materials with modern design. As a result, materials and modern elements are in harmony, creating a sophisticated space. The effect of light reflection and shadows was confirmed to add movement and depth to the space, playing an important role in the design.
- Inspiration
- Stone and wood are natural materials, and their textures and colors bring warmth and calm to a space. On the other hand, metal gives a modern and cool impression. We realized that by combining these contrasting materials, a new aesthetic balance could be created.
Kumiko is a traditional Japanese craft technique, and its delicate design evokes history and culture.
Metal is durable and functional, stone offers luxury and natural beauty, and kumiko expresses precision and traditional beauty. - Project Duration
- The project is scheduled to commence construction in April 2023 and be completed in September 2024. The construction site is in Nagasaki Prefecture, Japan.
- Operation Flow
- The interior space combines kumiko, marble, and metal to create a harmonious blend of modern sophistication and traditional Japanese beauty. The delicate woodwork symbolizes the beauty of nature and craftsmanship, giving the space warmth and depth. The marble floors and counters combine luxury and durability, while the clean, modern texture of the metal completes the overall look. These materials are in harmony with an aesthetic balance, leaving a deep impression on visitors.
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