F Tour Amazu Rusange yo Guturamo by Masahiro Osaka

F Tour Amazu Rusange yo Guturamo by Masahiro Osaka is a highly esteemed winner of the very prestigious 2026 Igihembo cya A' Design Award cya Buronze in Igishushanyo cy'Ubwubatsi Competition Category.

BuronzeUbwubatsi· 2026

F Tour Amazu Rusange yo Guturamo

by Masahiro Osaka

Client: Seiwa Corporation Co., Ltd.

Igihembo cya A' Design Award cya Buronze Winner in Ubwubatsi Category

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Verified Award Winner
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View at A' Design Award Press Release Award Badge

Colors

The Design

About F Tour Amazu Rusange yo Guturamo

F Tour ni inyubako y'amazu rusange yo guturamo iherereye mu mujyi wa Abiko, mu Buyapani. Iyi nyubako y'amagorofa 14 ikoresha imiterere ivanze ya beto ikomejwe n'icyuma hamwe n'ibice by'inyubako byateguwe mbere. Ubugari bwa za balikoni butandukanye kuva kuri metero 1 kugeza kuri metero 2.5, kandi imigozi y'ikirahure kibonerana ituma habaho kureba neza ku Kiyaga cya Tega. Amagorofa asangiwe ku rwego rwo hasi n'urwo hagati, isezerano ryo hejuru ku gisenge, hamwe n'ibyumba byo kwitegereza byahumekewe n'aho abantu bihisha bareba inyoni, bituma abaturage bahora bahura n'ibidukikije n'abaturanyi buri munsi. Igishushanyo cy'ibice bikurikirana gihuza ingo bwite, ahantu hasangiwe, hamwe n'umujyi ndetse na parike bikikije.

The Recognition

About the Igihembo cya A' Design Award cya Buronze

F Tour Amazu Rusange yo Guturamo ni uwegukanye Igihembo cya A' Design Award cya Buronze, ishimwe ry'agaciro gakomeye ritangwa ku bishushanyo by'indashyikirwa birangwa no guhanga, ubwenge n'ubushishozi. Abegukanye Buronze ni ibihangano bifite ubuhanga bwinshi kandi bihanga cyane, bishimangira uburambe, ubwenge n'ubushobozi bw'ababihanze. F Tour Amazu Rusange yo Guturamo biteganyijwe ko izaba ikintu cyubahwa, gishimwa kandi gikundwa, gifite ubunyamwuga n'udushya. Iki gishushanyo cyegukanye Buronze gikoresha uburyo bwiza mu buhanzi, ubumenyi, ubushushanyo n'ikoranabuhanga kandi kirarenze mu gutaha ku tuntu duto. F Tour Amazu Rusange yo Guturamo ishimisha ibyo dukeneye, ikora ku byifuzo byacu, itwara amarangamutima yacu kandi ikurura amatsiko yacu.

Behind the Design

Press Kit

Credits, team members and technical details provided by the designer.

Unique Properties: This residential project in Abiko redefines housing as a living landmark that seamlessly connects people, community, and nature. Inspired by bird hides, it integrates observation, shared spaces, and layered balconies to foster daily interaction with the environment. Unlike conventional housing, it merges ecological engagement, cultural heritage, and flexible communal living, creating a relational architecture that evolves with its residents and surroundings.
Dimensions & Packaging: The project occupies a 535.75 m2 site with a maximum height of 46.025 m, comprising a 14-story reinforced concrete structure. Building dimensions reach 20.365 m (long) and 12.155 m (short). Balconies vary in depth from 1 m to 2.5 m, enabling diverse lifestyles. Accessible shared floors on the ground and intermediate levels, along with a rooftop terrace, seamlessly connect the building to adjacent streets and parks, enhancing interaction with the environment and creating dynamic spatial experiences.
Tags: Bird Hide, Nature Observation Housing, Landscape Preservation, Community Living, Sustainable Architecture, Urban-Nature Integration, Shared Spaces, Residential Landmark, Eco-Friendly Design, Biophilic Architecture
Production Technology: The complex employs reinforced concrete and steel-frame hybrid construction with prefabricated modular units. Deep-set balconies and transparent glass rails were precision-fabricated for spatial articulation. Parametric modeling guided facade variation, while sustainable materials and passive design strategies optimize environmental performance.
Design Challenge: Balancing urban density with ecological and social connectivity, the project addressed the challenge of integrating a living residential landmark within Abiko's historical and cultural context. Key obstacles included preserving Lake Tega's landscape and cultural memory, complying with zoning regulations, ensuring constructability, and designing shared and private spaces that foster community while harmonizing with nature.
Research: This project investigates how collective housing can integrate historical, ecological, and social contexts. Through site analysis, community workshops, and observational design inspired by bird hides, residents engage with nature and culture daily. The research demonstrates that thoughtfully designed residential spaces can enhance social interaction, reconnect people with local landscapes, preserve cultural memory, and create sustainable urban landmarks that enrich everyday life.
Inspiration: The inspiration for this residential project in Abiko stems from a desire to reconnect contemporary urban life with the natural and cultural heritage of the region. Abiko's unique topography, its ridge flanked by the Tone River and Lake Tega, and its history as a haven for writers, artists, and thinkers presented an opportunity to design a building that serves not only as a dwelling but as a bridge between people, place, and nature.
The concept was born from observing the harmonious coexistence of humans and their environment in historical and natural contexts. Early literary and artistic communities in Abiko valued proximity to the lake and landscape, integrating daily life with reflection, creativity, and observation. Inspired by this ethos, the design translates the idea of a living landmark into contemporary architecture, a structure that encourages residents to actively engage with nature, each other, and the city.
Architecturally, the project draws inspiration from bird hides and observational pavilions, spaces where presence and attentiveness coexist, subtly connecting residents to the rhythms of the natural world. Shared terraces, balconies, and communal spaces are designed as platforms for discovery, reflection, and social interaction. The building's form mediates between the street, park, and lake views, reflecting the dynamic interplay between urban life and the surrounding environment.
Ultimately, the inspiration lies in creating a residential experience where architecture is not merely a container for living but a catalyst for relationships between humans, nature, and history. By translating the region's ecological, cultural, and social narratives into spatial experience, this project aspires to become a landmark that nurtures sustainable community life while honoring Abiko's legacy.
Project Duration: Project Duration and Location
Completion: 2024
Location: Abiko City, Chiba Prefecture, Japan
Operation / Interaction / Key Features
Residents experience everyday life connected to nature and community. Balconies, shared spaces, and rooftop areas encourage social interaction, observation of Lake Tega, and flexible use. The design adapts to diverse activities, enhancing daily comfort, engagement, and well-being.
Operation Flow: Residents move through layered spaces that connect private homes, shared areas, and the surrounding city. Balconies, terraces, and observation rooms let people interact with nature and each other daily. Workshops and open spaces encourage community events. Key moments occur at the rooftop, shared kitchens, and bird hide rooms, where people engage, observe, and connect. The design performs better by blending living, learning, and social activity, making everyday life richer and more sustainable.
Team Members: Producer : Hideyuki Kuroda
Creative Director : Masahiro Osaka
Architectural Director : Naoya Kawabe
Designer : Kei Kanedo
Designer : Chisano Motohashi
Designer : KAORI
Designer : Yoichi Nakazawa
Designer : Ryu Kanari
Image Credits: Image : Photographer : Kiuchi
Image : Video Credits : Kiuchi / Kumi / Aiko
Casting : Seiwa Co., Ltd.