本研究は、商家町の重要伝統的建造物群保存地区を対象として、保存計画に記載された修理・修景・許可基準の記述内容を分析し、その規定内容の特徴や部位ごとの傾向、地区ごとの差異を明らかにすることを目的とした。各基準文が何を参照しながら外観等を規定しているのかに着目し、建築物単体の属性を規定するものを「内在」、外部を参照して規定するものを「外在」として整理した。その結果、商家町全体では内在・外在の基準が併存していること、部位や地区によって規定内容の傾向が異なることが確認された。さらに、基準の記述内容を通して、各地区における町並みの捉え方や保存の方向性の違いを読み取るための視点を示した。

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The spatial structure and panoramic landscape characteristics of 27 named slopes in Kobe City were analyzed. The slopes were classified into seven types based on gradient, plan configuration, and cross-sectional configuration, revealing a relationship between spatial structure and landscape characteristics. While some slopes provide open panoramic views with high visibility, others characterized by bends and undulations create diverse landscapes through changes in sightlines and the appearance and disappearance of distant views. In addition, the landscapes of Kobe’s slopes are characterized not only by views of the sea but also by various landscape elements such as buildings and vegetation. Furthermore, different slope types were located in close proximity to one another, and it was clarified that the distribution of diverse slopes throughout the urban area contributes to the formation of a varied and distinctive landscape.

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近年、違反簡易広告物の除却においては、行政職員不足や予算制約を背景に、ボランティアを活用した簡易除却制度が導入されている。しかし、運用実態や活動を支える仕組みについては明らかになっていない。本研究では、ボランティアによる違反簡易広告物の簡易除却制度を対象に、全国自治体の運用実態を整理し、八王子市および熊本市を事例として制度運用の特徴と課題を分析した。その結果、個人活動型である八王子市は高い除却実績を示す一方で参加者負担が大きく、団体活動型である熊本市は安定した担い手確保に優れると示された。また、インセンティブ制度の効果は限定的であり、既存協力員や地域組織を通じた参加促進が重要であることが示された。

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One of the challenges identified in promoting historic townscape preservation is the decline in the number of historic structures. Even in cities that have been certified under the Historic Townscape Preservation and Enhancement Plan, there is a trend toward a decline in historic structures. On the other hand, there are cases where local governments collaborate with citizens to undertake activities aimed at utilizing and preserving historical townscapes. This study conducted a survey focusing on two cities engaged in the preservation of historic streetscapes. The aim was to examine the impact of differences in the history of these initiatives—specifically regarding the involvement of civic groups and local government—on the utilization and preservation activities of historical townscapes. The results revealed that while both districts are experiencing a decline in historical structures, there are differences in the duration of utilization and preservation activities, the number of private organizations involved, and the level of detail with which residents’ opinions are captured.

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This study investigates how color perception in station squares is shaped by both physical color properties and cognitive factors. Preliminary surveys revealed that although achromatic colors such as gray dominate the physical environment, users often recall colors influenced by symbolic architecture, nearby tourist attractions, regional mascots, and associations derived from station names. A nationwide survey of 30 stations confirmed these four major tendencies in color‐image formation. Detailed analyses of Kanazawa and Fukui Stations showed clear discrepancies between physical color distributions and perceived colors, indicating that symbolic structures and cultural imagery strongly affect recognition. Furthermore, viewpoint-based analysis demonstrated that colors perceived at staying spots and photo taking locations significantly contribute to users’ impressions. These findings suggest that effective color planning for station squares must consider not only measurable color quantities but also symbolic elements, cultural context, and viewpoint dependent visual experiences.

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都市化により地域固有の景観が失われる中、本研究は「街路灯」に着目し、その意匠分析と地域景観への影響、まちへの愛着・誇りとの関連性を明らかにすることを目的とした。全国32地域の街路灯を歴史や地域資源などの5類型に分類し、5つの代表地域で近景から遠景に至る多層景観分析、アンケート調査を実施した。その結果、街路灯は単なる照明を超え、地域の歴史や文化の資源を可視化する象徴的な要素として機能していることが明らかとなった。また、約半数の回答者が街路灯に愛着や誇りを感じており、街路灯が地域固有のらしさを体現し、人々と地域との情感的な結びつきを支える重要な基盤であることが示された。

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Given the interaction between sound and visuals, this study focuses on the relationship between sound design in film works and the visual landscapes depicted therein, and examines the conditions that elements of urban space must satisfy for contemporary audiences to perceive them as soundscapes. Through an analysis of sound design in three film works set in Kyoto City, four spatial components and six types of soundscapes were identified. Furthermore, to understand soundscapes in relation to visual landscapes, the proposed framework was applied to methods for describing soundscapes in actual urban spaces, using the Gion-Shirakawa area of Kyoto as a case study. The results demonstrate qualitative differences in soundscapes that are difficult to grasp using conventional sound maps based solely on the distribution of sound sources and show the potential of an area-based method for describing urban soundscapes.

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This study examines landscape improvement strategies during the transition period of overhead power line removal projects. It focuses on identifying factors that influence the evaluation of street landscapes, including utility poles and power lines, and explores alternatives to full undergrounding. Three physical elements-the quantity of power lines, the number of utility poles, and the height difference between poles and building skylines—were quantified. An impression evaluation experiment was conducted using 48 photomontage-based images, followed by factor analysis and multiple regression analysis. The results indicate that landscape evaluation is structured by three factors: comfort, universality, and clutter. Among these, the quantity of power lines showed a significant negative effect, reducing perceived comfort and overall preference. In contrast, complete removal of utility poles did not necessarily yield the highest evaluations, suggesting that a phased reduction of overhead power lines may be a more effective strategy.

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In this study, we focused on the ways in which key actors are involved and classified terraced paddy field conservation into three types: an endogenous type driven solely by local actors, an exogenous type led by external organizations, and a co-creative type in which local communities and external organizations collaborate. Based on this classification, we conducted interviews to examine the processes of plan formulation in the target regions, the impacts after implementation, and the characteristics and activities of the organizations involved. Through this analysis, we clarified the role of the plans, as well as the trends and distinctive features of conservation activities in each type.It was clarified that, in the conservation of terraced rice fields, both the objectives of the plan and the composition of key actors influence the direction and outcomes of the activities.

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This study examines the relationship population program “Hidasuke!” in Hida City, Gifu Prefecture, with the aim of clarifying the experiential values that encourage continued engagement by non-resident participants. Based on a post-participation questionnaire, the analysis compares first-time participants with repeat participants. The results show that, as participants engage repeatedly, the sense of extraordinariness associated with place, activity, and human relationships gradually weakens, suggesting that local involvement becomes part of their ordinary experience. In contrast, the value derived from difficulty—such as demanding tasks or unpredictable natural conditions—and novelty—such as seasonal differences and diverse program content—remains meaningful even for repeat participants. The study concludes that sustained engagement can be promoted by designing mechanisms that transform difficulties into achievement and deeper understanding of local activities, while also offering varied programs that provide new discoveries across different seasons and types of work.

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本研究は、京都市市民緑地「お東さん広場」の整備前後における住民の空間印象と地域愛着の変化を、整備前（2022年）調査と同一項目を用いた比較により明らかにした。東本願寺周辺の5学区を対象にアンケート調査を行い、SPSSにより相関分析・因子分析・平均値比較を実施した。その結果、地域愛着は選好・感情・持続願望の3尺度すべてで上昇し、特に持続願望の上昇幅が大きかった。空間印象も多くの項目で快適性・開放性が向上した一方、風土接触量はむしろ低下し、当初の仮説は支持されなかった。これは、接触の量よりもイベント参加等の体験の質が地域愛着の醸成に寄与する可能性を示唆している。

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本研究は、近畿圏内の道の駅を対象にアンケート調査を実施し、発展ステージの現状と立地特性との関係性を明らかにすることを目的とした。調査では、近畿圏内の道の駅154駅に郵送配布し、69駅から回答を得た。その結果、現段階では第2ステージに該当する道の駅が多数を占める一方、第3ステージに到達している駅は限定的であった。また、地域区分や隣接道路、鉄道駅・中心市街地からの距離によって発展ステージに差がみられた。特に中山間農業地域や平地農業地域、市町村道沿いの道の駅では、第3ステージに該当する傾向が確認された。さらに、発展ステージが高まるほど、施設の維持管理、人手不足、営業利益・経済性などの運営課題が重要となることが示された。

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　本研究は、地域鉄道廃線跡地の活用形態と外部団体との連携実態との関係を明らかにすることを目的とした。2000~2024年に廃止された地域鉄道路線を対象に、沿線自治体68市町へアンケート調査を実施し、56市町から有効回答を得た。結果、廃線跡地の活用形態は、従来の研究で示された傾向と大きな変化は見られず、一般道路の一部や公益施設など公共的利用が中心であることが確認された。一方で、太陽光パネルの設置など、新たな活用形態も一部で見られた。また、整備費用は活用形態により差があり、土地の所有・管理は市町村が中心となっている。連携実態は「連携なし」が多数を占める結果となった。一方で、連携が行われている事例では、NPO法人、市民団体、民間企業、自治会などが関与し、それぞれの特性に応じた役割分担がみられた。

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近年、鉄道事業者による経営合理化の一環として、鉄道駅の無人化が進行している。本研究では、障がい当事者が無人駅で経験した課題を踏まえ、駅係員の存在がバリアフリー面においてどのような効果が期待されるのかについて、簡易委託駅であるJR長崎本線長与駅を事例に考察した。その結果、障がい当事者は無人駅の利用に際して、乗降介助を受けるまでに長時間待たされることや、困った際に頼ることのできる人が不在であることに不安や課題を抱いており、これに対して駅係員の存在は、利用者への即時対応を可能にするとともに、心理的安全性を提供する点で、バリアフリー環境の向上に寄与しうることが示された。以上より、鉄道駅の簡易委託化は無人駅におけるバリアフリー面の課題解決に寄与する可能性が示唆された。

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本研究の目的は、醸造所のある地域名を冠したクラフトビールが住民の地域イメージに及ぼす影響を明らかにすることである。醸造所への調査を通して、地域ブランドとしてどのような地域貢献活動を行っているかを調査する。地域内でコミュニティを構築したいと考えている醸造所もあれば、地域での認知度を高めたいと考えている醸造所もある。これらの調査に基づき、各醸造所の近隣住民を対象にアンケート調査を実施する。クラフトビールを知っている人は贈り物として購入し、クラフトビールのおかげで地域への愛着をより強く感じている。これらの研究から、クラフトビールは住民の地域への誇りを高める効果があることが示されている。

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This study focuses on sake breweries as local enterprises and examines how they utilize regional resources to create new values. Thirteen cases were collected through online news articles and analyzed based on business practices and expected outcomes. The results indicate that the cases can be classified into three types: “Spatial Reorganization,” “Spatial Utilization,” and “Soft Practice.” In particular, cases in peripheral areas were more likely to involve spatial reorganization through the use of abandoned farmland and vacant facilities. The findings suggest that sake breweries contribute to regional value creation not only through product development but also through the utilization of spatial resources and collaboration with local stakeholders.

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In recent years, cycle tourism has gained increasing attention in Japan, driven by rising tourism demand and national promotion initiatives. However, individual local governments often face difficulties in securing the financial and human resources necessary to develop adequate reception environments, highlighting the need for public-private partnership. This study analyzes the current conditions of Biwaichi Cycle Support Stations and examines the perceived benefits reported by registered facilities as Cycle Support Stations in order to advance the development of cycle tourism support environments. The analysis reveals substantial variation among facilities in their recognition of benefits such as increased profits and enhanced communication opportunities resulting from registration. The findings indicate that facility type and methods of displaying registration status influence the extent to which facilities perceive positive effects. In addition, facilities that reported stronger perceived benefits exhibited a higher intention to continue their participation.

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In recent years, with the decline in population and the aging of society, maintaining essential daily functions has become a challenge in remote island regions. There are concerns about disparities in convenience between central and surrounding areas as services like healthcare and shopping get concentrated in central districts. In this study, we focused on Oki Island Town, conducting a literature review and a resident survey to analyze the use of daily services like shopping, medical care, and administrative services, as well as transportation methods. The results showed that these services were concentrated in the Saigō district, and people in surrounding areas depended heavily on private cars. Based on this, we proposed support measures such as mobile sales and transportation mobility and considered what small community hubs could look like under population decline.

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本研究では、JR大阪駅前のグランフロント大阪、グラングリーン大阪、新梅田シティの3地区の屋外公共空間を対象に、滞留利用実態の把握を通じて、周囲の他者との関係が「ひとり」での滞留利用に及ぼす影響を探った。平日・休日および対象地別の滞留利用実態を把握した上で、周囲の滞留グループ数と座り始めるグループ数および滞留時間との関係を分析した。その結果、グラングリーン大阪では1人利用の密度が高いエリアが確認された。また、周囲に滞留者が多い状況は、全体として滞留開始および滞留継続を促す傾向がみられた。一方、「ひとり」にとっては、周囲の滞留者の多さが滞留し続ける要因とは必ずしもならないことが明らかとなった。

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This study examined the creation of shade of a tree for thermal improvement during summer walking in the Sannomiya district. Specifically, the distribution of shade created by buildings and trees and the pedestrians distribution were analyzed between 12:30 and 14:30, when thermal conditions are most severe. Using a 3D city model, the shade distribution and pedestrian distribution were identified and overlaid to determine streets with the highest priority for thermal improvement through additional shade of a tree. The results showed that the northern side of Sannomiya Chuo-dori, as well as the eastern sides of the northern sections of Koikawa-suji and Zeikan-sen, had the highest priority for thermal improvement. Furthermore, providing continuous shade connected to the arcade of Sannomiya Chuo-dori and introducing shade of a tree that enhances the continuity of Koikawa-suji and its connection to the Former Foreign Settlement are expected to improve walkability within the district.

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This study aims to clarify changes in the amount and distribution of urban greenery associated with urban redevelopment in the Uemachi Plateau area of Osaka. Green coverage was extracted from satellite imagery using the Normalized Difference Vegetation Index (NDVI), and its relationship with urban redevelopment was analyzed by overlaying green coverage data with building and land-use data from 2000, 2013, and 2021. Field surveys were also conducted to examine qualitative changes in greenery. The results showed that the green coverage ratio remained relatively stable at approximately 15–16% between 2003 and 2022, exceeding the average for Osaka City. While the green coverage ratio increased in apartment housing areas, it decreased in religious and educational facilities. In 2022, approximately 90% of the green coverage was distributed in areas without building renewal and in non-building-covered land. Field observations revealed that although redevelopment sometimes reduced the amount of greenery, landscape improvements enhanced the visibility and continuity of green spaces.

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This study aims to clarify changes in the amount and distribution of urban greenery associated with urban redevelopment in the Uemachi Plateau area of Osaka. Green coverage was extracted from satellite imagery using the Normalized Difference Vegetation Index (NDVI), and its relationship with urban redevelopment was analyzed by overlaying green coverage data with building and land-use data from 2000, 2013, and 2021. Field surveys were also conducted to examine qualitative changes in greenery. The results showed that the green coverage ratio remained relatively stable at approximately 15–16% between 2003 and 2022, exceeding the average for Osaka City. While the green coverage ratio increased in apartment housing areas, it decreased in religious and educational facilities. In 2022, approximately 90% of the green coverage was distributed in areas without building renewal and in non-building-covered land. Field observations revealed that although redevelopment sometimes reduced the amount of greenery, landscape improvements enhanced the visibility and continuity of green spaces.

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近年、人口減少や少子高齢化、財政制約等を背景として、都市公園には効率的かつ柔軟な管理運営が求められている。特に住区基幹公園では、地域住民の日常利用が中心であり、多様な利用ニーズを管理運営へ反映する仕組みが重要となっている。そこで本研究では、公園協議会制度を導入している吹田市および岡崎市を対象に、その運用実態を明らかにした。その結果、協議会は行政、指定管理者、地域住民等が公園利用ルールや管理運営方針について合意形成を図る場として機能していることが明らかとなった。また、指定管理者制度との連携により、利用者ニーズを管理運営へ反映する仕組みが構築されていた。

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南海トラフ巨大地震の発生時、大阪市では多数の帰宅困難者が想定される。本研究は、広域避難場所に指定されている大阪市内の都市公園を、帰宅困難者の一部を受け入れる一時滞在受入場所と位置づけ、発災後72時間の初動期における対応能力を定量的に評価することを目的とする。昼間人口比率の高い7区の都市公園8か所を対象に、QGISを用いた空間分析で避難有効面積を算出して受入容量の充足状況を評価し、現地調査によりマンホールトイレと飲料用耐震性貯水槽の整備状況をスフィア基準等で評価した。その結果、避難有効面積は浪速公園のみ基準を下回り、帰宅困難者を受け入れる広さは確保できるものの、マンホールトイレは全公園で不足、飲料用耐震性貯水槽は3公園が未整備であることが明らかとなった。

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香港の高密度市街地に点在する小規模公共空間（Sitting-out Area・Rest Garden）40施設を対象に、現地調査を通じて利用実態とその要因を分析した。利用状況から空間を6タイプに分類した結果、商業地やバス停周辺など人の動線上に位置する空間は利用が活発である一方、アクセスの悪さや閉鎖的な空間構成は利用を制限することが分かった。また、広場・公園型では休憩や会話に加え、遊びや運動など多様な活動が見られ、施設規模だけでなく設備配置や空間構成が利用実態に大きく影響することを明らかにした。

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東京圏への一極集中が進んでいると言われているが、都道府県等の地域単位で見ると、地域内でより利便性の高い地域に人口が移動する「多極集中」の状況にある。また、特に若年・子育て世帯が利便性の高い地域に移動する傾向がある。こういった地域ごとの核が、より魅力的であれば、若年世帯の東京圏への流出を防ぎ、人口減少や少子化を抑制することができる。しかし、利便性の高い地域では、子育て世帯が必要とする広い住宅を確保することが難しい。公営住宅の活用や民間住宅への補助、医療施設や商業施設の誘致により、魅力的な地域の核を形成していく必要がある。

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“ Corporate relocation offers a potential solution to Tokyo's overconcentration, yet the objective impact on “employees”“richness of life””remains unclear. Using the Pasona Group’s relocation to Awaji City, this study quantified the difference in indirect utility between employees in Awaji and Tokyo using an extended Cobb-Douglas model incorporating access costs to medical and educational facilities. The results showed that the benefits of reduced housing costs and commuting time in Awaji significantly outweighed the disadvantages of lower accessibility, equating to a monetary value of approximately 161,000 JPY per month. Furthermore, sensitivity analysis demonstrated that utility in Awaji remains superior even with a 40% wage reduction, quantitatively proving that corporate relocation effectively enhances employees’ economic well-being.”

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In regional Japanese cities, population decline and suburbanization have driven retail store closures, raising concerns about deteriorating living convenience. This study develops a supply-demand equilibrium model that endogenizes consumers' store choice behavior and retailers' entry and exit, and applies it to Takamatsu City to evaluate the impacts of compact city policy on living service levels and environmental burden through 2050 at a 500-m mesh scale. Demand parameters estimated from person trip survey data ensured high reproducibility of observed retail sales. Comparing a trend scenario with a population concentration scenario, the results show that concentration reduces citywide CO2 emissions by about 2.4%, while accelerating store withdrawal outside the residential inducement area and substantially increasing shopping disutility for residents remaining there. These findings quantitatively reveal a trade-off between reducing environmental burden and maintaining living convenience, and the concentration of burdens on residents outside the area.

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本研究は、静寂空間と会話・交流空間が共存する図書館を対象に、サードプレイスとしての図書館の特徴を明らかにすることを目的とする。中心市街地に立地し、定期的なイベントと両空間を備える5館を選定し、職員への半構造化面接法をうえの式質的分析法により分析した。その結果、各館の運営方針は貸出指向、課題解決型指向、滞在指向に整理され、方針に応じて会話・交流空間と静寂空間の配置や分離の程度が調整されていた。また、イベントは各館の方針と連動し、学習、交流、課題解決、地域連携を促す役割を担っていた。以上より、サードプレイスとしての図書館では、空間設計と運営方針を一体的に捉え、静寂と交流の共存を支える運営が重要であることを示した。

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近年、社会的孤立や孤独の解決に向けた取り組みが世界的に進められつつある。しかしながら、社会的孤立や孤独に関するモビリティやアクセシビリティの影響は十分に明かされておらず、社会的孤立や孤独の解消に向けた交通計画や土地利用計画に関する定量的な議論は依然として困難な状況にある。そこで、本研究では、孤独をはじめとする主観的感覚を取り扱うことの重要性が指摘されていることを踏まえ、孤独感に着目し、モビリティとアクセシビリティを考慮した孤独感に関する要因分析を行うことで、上記の課題解決に資する基礎的知見を得ることを主たる目的とした。結果として、モビリティやアクセシビリティに関する一部の指標が孤独感を左右する規定要因であることが示された。

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近年、社会的孤立や孤独の解決に向けた取り組みが世界的に進められつつある。しかしながら、社会的孤立や孤独に関するモビリティやアクセシビリティの影響は十分に明かされておらず、社会的孤立や孤独の解消に向けた交通計画や土地利用計画に関する定量的な議論は依然として困難な状況にある。そこで、本研究では、孤独をはじめとする主観的感覚を取り扱うことの重要性が指摘されていることを踏まえ、孤独感に着目し、モビリティとアクセシビリティを考慮した孤独感に関する要因分析を行うことで、上記の課題解決に資する基礎的知見を得ることを主たる目的とした。結果として、モビリティやアクセシビリティに関する一部の指標が孤独感を左右する規定要因であることが示された。

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This study aims to clarify the essential factors for sustainable area management in suburban cities of major metropolitan areas, which typically lack distinct local tourism resources. Focusing on the Urban Regeneration Promotion Corporation in Neyagawa City, Osaka Prefecture, this research analyzes its activities from three perspectives: financial resources, institutional systems, and organizational structure, followed by a comparison with other suburban cities. The findings reveal three key success factors. Financially, the organization established an independent revenue model utilizing its station-front location, such as parking partnerships. Institutionally, it actively utilized special regulatory provisions to transform public spaces from mere transit routes into vibrant places for interaction. Organizationally, it functioned effectively as an intermediary support organization collaborating with external professionals. Ultimately, this study demonstrates that even typical ““bed towns”” can achieve sustainable urban development by strategically combining existing urban infrastructure, institutional frameworks, and areastrong organizational management capabilities.

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This study aims to identify the key conditions necessary for promoting the settlement of young people and child-rearing households through the utilization of local resources in Inagawa Town, Nose Town, and Toyono Town. Interview were conducted with local community organization and municipal governments, and questionnaire surveys were administered to participants in community activities. The relationship between community activities and settlement promotion was analyzed. The results revealed five important key conditions for promoting settlement, ① Opportunities to experience cultural and local resources, ②A community climate that accepts diverse lifestyles, ③Continue to collaborate with local governments, ④Opportunities for involvement⑤

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This study elucidated the challenges of the residential environment from both physical and psychological perspectives, using Nishinomiya-hama, an artificial island residential area experiencing population decline and an aging demographic, as a case study. A comparative analysis with similar regions revealed a structural “shortage of green space,” with the residential area's green space ratio at 17.7%. Conversely, a questionnaire survey of residents demonstrated that approximately 80% perceive the “sea” in their daily lives. This revealed a structure in which this environmental value offsets the low convenience of living and sustains the intention to settle. However, a distinct generational divide in settlement intention exists, bordered by those in their 50s, showing a significant trend of departure among the working and child-rearing generations. To revitalize the town into a community where multiple generations continue to reside, it is essential to reconstruct comfortable mobility spaces that connect the existing resource of the “sea” with the deficient “greenery.”

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The purpose of this study is to use the sidewalk social experiment on Daido-suji in Sakai City as a case study to clarify the challenges and processes involved in the early stages of social experiments, and to explore the future direction of road space utilization. Specifically, it examines how space was used through the social experiment and how it was received by citizens and businesses, and extracts challenges and potential unique to Sakai City through comparison with previous cases.

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This study examined the “Water Metropolis Osaka Bridge Terrace” social experiment conducted on Suishou Bridge in Osaka, with the aim of clarifying the actual utilization of bridge space and the impact of street furniture installation on visitors’ staying behavior. Results from visitor questionnaires and video-based behavioral observations confirmed that the bridge space functions as a stopover space within the flow of movement through surrounding public spaces. Furthermore, the installation of street furniture improved evaluations of comfort and water affinity, and differences in the quantity, layout, and types of provided content were found to influence patterns and duration of staying behavior. In addition, the importance of coordinated utilization with surrounding public spaces and events was identified, suggesting the potential for bridge spaces to function not only as passageways but also as public spaces capable of accommodating diverse staying activities. These findings indicate directions for the planned enhancement of the staying function of bridge spaces.

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Recently, efforts to make public spaces comfortable and human-centered have been promoted across the country. In order to create a human-centered space for people to stay, not only street furniture can be placed, but also artificial turf can be laid. Turf has the characteristic of bringing a green environment to urban spaces, which has multiple benefits, such as revitalizing the community, improving health, and building community. In this study, artificial turf and street furniture are set up at Minami-Kusatsu station square to clarify what effectiveness artificial turf has on the Staying space. The results of the study show that artificial turf induces a variety of activities and improves the comfort of the space.

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This study investigates the transformation of meeting-up behavior in the smartphone era and the potential of meeting places as ”amenity spaces.”Observations and scoring of ”cognitive” and ”amenity”were conducted at four locations around Osaka Station. The results showed that locations with high cognitive but low amenity served merely as functional transit points, with post-meeting stay times under one minute. In contrast, high-amenity locations fostered social interaction and longer stays. Furthermore, ”leaning” behavior was identified as a modern adaptation to stabilize smartphone use, serving as a ”quasi-amenity.”The study concludes that modern meeting places should evolve from simple landmarks into comfortable spaces that support sequential group merging and digital activities.

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This study analyzes the purchase decision-making process for food trucks in a station plaza. Focusing on a situation in which pedestrians encounter food trucks while walking, we conducted a purchasing experiment and follow-up interviews. Participants watched pedestrian-view videos, checked storefront photos, selected a store and products, and then explained their thoughts while reviewing eye-tracker video recordings. Interview statements were classified into four layers: preconditions, information contact, cognition and evaluation, and judgment results. The results showed that participants did not decide to purchase immediately after seeing a product. Instead, they first considered products as candidates based on product names, types, prices, and visual appearance. They then made final judgments by evaluating price, quantity, familiarity, reassurance, and ease of eating on site. Visual appeal and novelty were related to candidate formation, while familiarity supported purchase decisions. These findings suggest the importance of clear information presentation and spatial conditions that support post-purchase use.

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This study investigates the influence of busking on the urban sound environment at Umekita in front of Osaka Station. Noise measurements were conducted at 468 locations, and a semantic differential (SD) survey was used to evaluate people's perceptions of different soundscape conditions. The results revealed that a balanced combination of busking sounds and ambient urban sounds received the highest evaluations for comfort, enjoyment, and liveliness. In contrast, environments dominated by busking sounds tended to reduce perceived comfort. Factor analysis indicated that busking can positively contribute to urban soundscapes when its volume and location are appropriately managed. These findings suggest that busking has the potential to enhance the attractiveness and vibrancy of public spaces while maintaining a pleasant acoustic environment. Therefore, effective management of busking activities is important for creating high-quality urban public spaces.

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This paper reports on the usage of benches and other stay facilities installed as part of a social experiment in the Sakai Mobility Innovation (SMI) Central Line Pilot Project. Three investigations were conducted: (1) pedestrian traffic counts in the surrounding area, (2) counts of people using benches, including existing benches, and (3) detailed observations of activities and use patterns associated with the benches installed as part of the social experiment. The results indicate that the benches installed as part of the social experiment provided comfortable spaces and encouraged a variety of activities.

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This study aims to clarify the characteristics of outdoor dining permit systems in New York City, Melbourne, and Paris. Based on the guidelines of each city, the regulatory contents were organized and analyzed, with particular attention to the purposes for which each regulation was established and the methods by which they are prescribed, such as quantitative and qualitative approaches. The results show that New York City quantitatively secures traffic functions and establishes a clear regulatory system. Melbourne secures minimum traffic functions while guiding improvements in the quality of street spaces. Paris emphasizes landscape formation and operates its system according to local characteristics by combining general regulations with area-specific rules. Comparing these findings with Japan, the current Japanese system for street space utilization places emphasis on securing traffic functions. Therefore, it is necessary for Japan to further develop its system by also placing greater importance on securing spatial functions.

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In recent years, public space utilization has expanded to bridge spaces. This study investigates the utilization of bridge space behavior observations and user questionnaires focusing on the ‘Suito-Osaka Bridge Terrace’ pilot project at Nakanoshima Garden Bridge. The results of the behavioral observations revealed that conversation, eating and drinking, and resting at tables and chairs were the predominant activities, that the number of users staying on the bridge increased during program implementation, and that the locations where users stayed differed between participatory and viewing programs. The questionnaire survey indicated high evaluations of the environmental and scenic qualities of the bridge space and revealed that the programs influenced both perceptions of vibrancy and impressions of the bridge. These findings suggest the latent potential of bridge spaces as outdoor public spaces and the potential of program implementation for creating vibrancy.

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This study focuses on analyzing the nighttime environment along the Takase River in Kiyamachi, a historic entertainment district. Key elements such as illuminance, color temperature, pedestrian flow, crowd retention, and the prevalence of solicitation activities are examined to understand the area's current conditions. As an intervention, illuminated planters are installed along the river to evaluate their effects on pedestrian flow and retention. The study also uses the Semantic Differential method to analyze changes in people's impressions of the area. Moreover, it investigates how changes in pedestrian flow and retention due to the installation of illuminated planters affect solicitation activities in the district.

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In recent years, tourism gentrification, which transforms the spatial and social structures of local communities, has become an increasingly important issue in historic urban areas. This study examines four areas in the eastern part of Kyoto’s historic city center (the Tanoji District) and analyzes changes in tourism-related land use, building frontage characteristics, and population dynamics between 2010 and 2020. The results reveal that tourism-led transformation can be categorized into four patterns: tourism activity infiltration, spatial restructuring, land-use conversion, and stability. Furthermore, two broader forms of tourism-led transformation were identified: visible transformation, accompanied by changes in building frontages, and invisible transformation, in which land-use changes occur while external appearances remain largely unchanged. These findings suggest that tourism-led transformation in Kyoto’s historic city center does not necessarily manifest itself through visible changes in the urban landscape and may proceed while preserving the existing streetscape.

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This study aims to clarify the actual conditions of street smoking in the Namba area of Osaka, where smoking on public streets has been prohibited. A total of 132 streets within the study area were surveyed, and street characteristics—including street width, pavement type, building use, distance to smoking spots, and pedestrian volume—were analyzed in relation to the number of cigarette butts observed on the streets. The results showed that cigarette butts were concentrated not on major pedestrian routes such as Ebisubashi-suji Shopping Street and Nankai-dori Street, but rather on adjacent streets and back streets. Higher numbers of cigarette butts were observed on narrow streets and on streets with a concentration of entertainment and dining facilities, whereas fewer were found on open streets with many storefront openings. In addition, no clear relationship was identified between the amount of cigarette litter and the distance to designated smoking areas. A detailed investigation revealed that cigarette butts tended to accumulate near street edges, vending machines, and utility poles. These findings suggest that street smoking is influenced more strongly by spatial characteristics, such as low visibility and the ease of lingering, than by pedestrian traffic volume.

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At Akashi Park, which includes Akashi Castle, a controversy arose over tree felling: while the local government sought to preserve the stone walls and protect the environment, civic groups demanded a halt to the felling to safeguard the ecosystem. Against this backdrop, this study examines Akashi Park as a castle site park and explores its multifaceted nature based on research materials regarding the tree felling issue, as well as questionnaire and image map surveys. The results indicate that, as perceived by Akashi citizens, Akashi Park and Akashi Castle are integral to the city’s identity. The study highlights that while a balance among historical, natural, and recreational values is prioritized, the park’s value as a place of relaxation for residents takes precedence over its appeal to tourists. Furthermore, the study explores the possibility that this perception is rooted in a sense of place identity derived from personal spatial experiences gained through park use.

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This study evaluated the relationship between the degree of survival of historic highway landscapes and street network configurations analyzed using Space Syntax theory in 16 settlement sections along the Takenouchi Kaido. The results showed that historic highway landscapes tend to survive to a greater extent in suburban settlements. Regarding street network configuration, local-scale closeness centrality and both local- and global-scale betweenness centrality were higher within settlement sections than in the surrounding areas. Furthermore, closeness centrality tended to be higher in urban settlements that were well connected to systematically planned street networks, indicating differences among settlements. A comparison of all sections revealed a strong negative correlation between the evaluation of highway landscapes and closeness centrality. These findings suggest that weaker connectivity to planned street networks and a more secluded street configuration contribute to the preservation of historic highway landscapes.

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This study conducted a kernel density analysis of roads less than 4 m in width in Osaka City and selected four districts with different levels of alleyway density. Furthermore, spatial configurations were classified using Space Syntax analysis, and a perceptual evaluation experiment was conducted employing the Semantic Differential (SD) method with 64 photographs of alleyway landscapes. The results revealed that the value of alleyway spaces is shaped by the combination of alleyway distribution density, street depth structure, and the perceptual and psychological characteristics generated by these spatial conditions. Factor analysis extracted three principal evaluation dimensions: residential familiarity, psychological depth, and perceived spatiality. The findings suggest that planning and conservation strategies for alleyway spaces should not rely solely on uniform street improvement or road widening, but should instead consider the diversity of impressions and experiences produced by variations in alleyway density and spatial depth structure.

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This paper explores future directions for location regulations by investigating the long-term and comprehensive location patterns of ryokan, hotels and budget hotels and by clarifying the regulatory guidelines. As a case study of Kyoto, an international tourist city, it provides a basis for discussing the ideal coexistence between accommodation facilities and local communities. The results of the survey and analysis revealed the following: (1) Analysis of the locations of these two types of accommodation facilities indicates that Higashiyama Ward exhibits unique trends; (2) “Ryokan and hotels” are located in areas with high transportation accessibility, such as along major roads, while “budget hotels” are located near tourist areas or within alleyways; and (3) Minami Ward has seen an increase in the number of facilities since the guidelines were established, indicating that it is currently in the stage of considering new measures. Therefore, although no major deficiencies were identified in the structure of the guidelines, the findings suggest that it is now necessary to consider regulations governing the location of accommodation facilities.

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