龍豊窯Website
- Art Direction : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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株式会社IEJ
- Direction : Hokkyokusei
- Design / Coding : hideyuki koyama
WEBDESIGN
Kou. Ceramic Jewelry Designer Website
- Produce : Pal studio
- Photograph : Palstudio
- Design / Coding : hideyuki koyama
- Copywriting : ritsuko tanaka (Instagram)
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京料理 萬重オンラインショップ Website
- Produce : Pal studio
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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Kamigamo Jinja English Website
- Design / Coding : hideyuki koyama
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船岡山魅力発信サイト「FUNAOKA」Website
- Design / Coding : hideyuki koyama
- Photograph : hideyuki koyama
- System Development : hideyuki koyama
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株式会社KTGホールディングス Website
- Direction : Studio Uni
- Design / Coding : hideyuki koyama
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株式会社オートクラフト Website
- Direction : Studio Uni
- Photograph / Movie : 七彩工房
- Design / Coding : hideyuki koyama
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株式会社都 Website
RAKUCHU KANSEI ART PROJECT Website
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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Rist Website
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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結婚写真専門店 京都百福 Website
- Design / Coding : hideyuki koyama
- Copywriting : ritsuko tanaka (Instagram)
- System Development : hideyuki koyama
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賀茂別雷神社（上賀茂神社） Website
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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上賀茂神社 婚礼サイト Website
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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須河車体株式会社 Website
- Produce : tomohito katayama
- Design / Coding : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
- System Development : hideyuki koyama
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京料理 萬重 Website
- Produce : Pal studio
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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TIMEDOMAIN Speaker “i-side” Website
- Design / Coding : hideyuki koyama
- Photograph : manabu sato (sugarl)
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カスティージョ・デ・カネナ ジャパン Website
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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natural way to “brush up!” Website
- Direction : COTi Inc. (coti.jp)
- Design / Coding : hideyuki koyama
- Photograph : tomoyasu nakao (Ripcord)
- System Development : hideyuki koyama
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UNRAKU-gama English Website
- Design / Coding : hideyuki koyama
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京都御所西 護王神社 Website
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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JinMei Dental Clinic Website
- Direction : COTi Inc. (coti.jp)
- Design / Coding : hideyuki koyama
- Photograph : tomoyasu nakao (Ripcord)
- System Development : hideyuki koyama
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虫花風 | mukapu Website
- Design / Coding : hideyuki koyama
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釜めし割烹 あげ半 Website
- Design : hideyuki koyama
- Photograph : shuhei sakai
- Coding : shinichirou kuroda
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芦田宗史郎商店 Website
- Produce : Pal studio
- Design / Coding : hideyuki koyama
- Photograph : Pal studio
- Illustration : hideyuki koyama
- Flash : hideyuki koyama
京都にある呉服屋 芦田宗史郎商店のブランドサイト。「日本の四季」をコンセプトに、京都にゆかりのある作家 清少納言「枕草子」の文章と繊細なイラストレーションで緩やかに移り変わる日本の四季を表現しました。
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京焼・清水焼 雲楽窯 Website
- Design / Coding : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
- Flash : hideyuki koyama
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COTi New Year 2019
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- Direction : COTi Inc. (coti.jp)
- Design / Coding : hideyuki koyama
- Photograph : tomoyasu nakao (Ripcord)
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COTi New Year 2018
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- Direction : COTi Inc. (coti.jp)
- Design / Coding : hideyuki koyama
- Photograph : tomoyasu nakao (Ripcord)
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NPO法人 里親子支援機関えがお
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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Lien d’Or de Champagne
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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京都洛東ロータリークラブ
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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T-Quard
- Produce : Pal studio
- Design / Coding : hideyuki koyama
- System Development : hideyuki koyama
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丸三タカギ表札シミュレーション
- Web Design : hideyuki koyama
- System Development : computer system Inc.
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京都文化観光大使
- Produce : ITP Inc.
- Design / Coding : hideyuki koyama
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KYOTO Tax-free shop Navi
- Produce : ITP Inc.
- Design / Coding : hideyuki koyama
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八木歯科
- Produce : Pal studio
- Design / Coding : hideyuki koyama
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RAMBOUILLET
- Design / Coding : hideyuki koyama
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Kyoto Bridal Produce
- Produce : Pal studio
- Design / Coding : hideyuki koyama
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ホテル凛香・旬香
- Design / Coding : hideyuki koyama
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虫花風オンラインショップ
- Design / Coding : hideyuki koyama
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社団法人 伝統文化保存協会
- Produce : ITP Inc.
- Design / Coding : hideyuki koyama
- System Development : ITP
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京町家 京の華
- Produce : Pal studio
- Design / Coding : hideyuki koyama
- Photograph : Pal studio
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Violinist 鈴木理恵子
- Design / Coding : hideyuki koyama
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大野設備株式会社
- Design / Coding : hideyuki koyama
- System Development : toshihiro takeda
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川徳商事株式会社
- Produce : ITP Inc.
- Design / Coding : hideyuki koyama
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斉藤三才
- Produce : ITP Inc.
- Design / Coding : hideyuki koyama
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株式会社 三才
- Produce : ITP Inc.
- Design / Coding : hideyuki koyama
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Salon de Unefee
- Design / Coding : hideyuki koyama
- Photograph : hideyuki koyama
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ニチユ三菱フォークリフト
- Produce : ITP Inc.
- Design / Coding : hideyuki koyama
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姫路のタンナー オールマイティー
- Produce : shinichirou kuroda
- Design : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
- Coding : shinichirou kuroda
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一志株式会社
- Produce : ITP Inc.
- Design / Coding : hideyuki koyama
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京都椅子専門学校
- Produce : ITP Inc.
- Design / Coding : hideyuki koyama
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concert imagine
- Design / Coding : hideyuki koyama
- System Development : toshihiro takeda
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la Cucina Primavera
- Design / Coding : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
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ristorante biberon
- Design / Coding : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
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きものステーション
- Produce : ITP Inc.
- Design / Coding : hideyuki koyama
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切子専科
- Design / Coding : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
- System Development : hideyuki koyama
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takumi cut glass factory Website
- Design / Coding : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
- System Development : hideyuki koyama
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祇園 川上
- Produce : misaki matsumura
- Art Direction and Design : Hal Udel
- Photograph : Hal Udel
- Flash : hideyuki koyama
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tanaka mikito photo studio
- Design / Flash : hideyuki koyama
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ナリタ ナオシゲ
- Design / Flash : hideyuki koyama
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ユーシンフーズ株式会社
- Design / Coding : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
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洛東自動車教習所
- Produce : ITP Inc.
- Design / Coding : hideyuki koyama
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ristorante Figaro
- Produce : misaki matsumura
- Design / Coding : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
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ristrante teatrino
- Produce : TNC bridal service
- Design / Coding : hideyuki koyama
- Photograph : mikito tanaka (Instagram)
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Wedding Plaza I.BLOOM
- Produce : TNC bridal service
- Design / Flash : hideyuki koyama
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Wedding Plaza I.BLOOM
- Produce : TNC bridal service
- Design / Flash : hideyuki koyama
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大阪府能勢町
- Produce : digital scape
- Design / Coding : hideyuki koyama
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京都宇治結婚式
- Produce : TNC bridal service
- Design / Coding : hideyuki koyama
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ねん金綴錦
- Produce : Wedding Plaza I.BLOOM
- Design / Coding : hideyuki koyama
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京都上賀茂結婚式
- Produce : TNC bridal service
- Design / Coding : hideyuki koyama
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Shui
- Design / Coding : hideyuki koyama
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Omiyakamon Ag
- Design / Coding : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
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株式会社エーワイ電子
- Design / Coding : hideyuki koyama
- Photograph : naoshige narita (9th-photo.com)
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京都市母子寡婦福祉連合会
- Design / Coding : hideyuki koyama
- illustration : tsutsumi ritsuko
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cave v
- Produce : les trois
- Design / Coding : hideyuki koyama
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RQR estate
- Produce : les trois
- Design / Coding : hideyuki koyama
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秀明自然農法ネットワーク
- Produce : digital scape
- Design / Coding : hideyuki koyama
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株式会社ジェイコム Flashアニメーション
- Produce : T-Brain
- Art Direction : Dok design Works
- Coding : satoshi kihara
- Design / Flash : hideyuki koyama
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キクチ眼鏡専門学校
- Produce : Humanweb
- Art Direction : Dok design Works
- Design / Coding : hideyuki koyama
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quatre saisons
- Design / Coding : hideyuki koyama