Japanese Motorcycle Timeline Infographic

{"type":"Japanese motorcycle history infographic timeline","language":"Japanese","canvas":"4:3 landscape poster, clean editorial infographic, white background with dark green header bars and thin grid lines, crisp vector layout mixed with realistic cutout motorcycle illustrations, high readability","headline":"{argument name=\"headline text\" default=\"③ 日本のバイクメーカー・名車と走り系カスタム・レース文化 年表\"}","subtitle":"名車・メーカーの主な出来事（上段）と、走りの文化・競技系カスタム（下段）を年表で比較","main_timeline":{"position":"left and center, upper two thirds","structure":"grid by decade columns and manufacturer rows","decade_columns":{"count":8,"labels":["1950","1960","1970","1980","1990","2000","2010","2020"]},"manufacturer_rows":{"count":4,"rows":[{"maker":"HONDA","logo_style":"red wing logo and HONDA wordmark","entries_count":6,"entries":["1958 ドリーム C100","1969 CB750 Four","1982 CBX400F","1992 CBR900RR (FireBlade)","2000 VTR1000SP","2021 CBR1000RR-R"]},{"maker":"YAMAHA","logo_style":"blue tuning fork emblem and YAMAHA wordmark","entries_count":7,"entries":["1965 YA-1","1973 TX750","1980 RZ250","1985 RZV500R","1990 FZR250R","1998 YZF-R1","2021 YZF-R1M"]},{"maker":"SUZUKI","logo_style":"red S emblem and blue SUZUKI wordmark","entries_count":7,"entries":["1957 コレダ ST-1","1972 GT750","1981 GSX400E","1983 RG250Γ","1985 GSX-R750","1999 Hayabusa (GSX1300R)","2021 Hayabusa"]},{"maker":"Kawasaki","logo_style":"green Kawasaki K mark and wordmark","entries_count":7,"entries":["1960 メグロ K3","1972 900SUPER4 / Z1","1975 750RS (Z2)","1984 Z400FX","1990 ZZR1100","2024 Ninja ZX-10R"]}]},"visuals":"each entry shows a small realistic side-view motorcycle cutout, scaled consistently, with year above and model name below, placed inside pale grid cells"},"right_sidebar":{"title":"豆知識・雑学","position":"right vertical panel","items_count":8,"items":["CB750は1969年8月発売。","CB750は量産4気筒の象徴。","Z1は1972年の輸出名車。","RZ250はレプリカ前夜の名車。","RZは『ナナハンキラー』。","NSR250Rは1986年発売。","鈴鹿初レースは二輪だった。","2スト250は峠文化と好相性。"],"icons":"green bullet dots, small motorcycle illustrations, simplified engine drawing, Z1 logo, crossed flags, racetrack outline, mountain icon"},"culture_timeline":{"title":"走り系・レース系カスタム／文化の流れ（下段）","position":"bottom third","rows_count":6,"rows":[{"label":"ロードレース／GP","icon":"checkered flag","flow_labels_count":5,"flow_labels":["1960s〜 全日本ロードレース開始","1970s〜 国際レース志向","1980s〜 日本人ライダー台頭","1990s〜 WGP 250/500","2010s〜 MotoGP継続"]},{"label":"2ストレプリカ","icon":"helmet","flow_labels_count":4,"flow_labels":["1980s前半〜 NSR・RZ・RGなど人気化","1990s〜 90年代を象徴","2000s〜 4スト化で減少","long pale green arrow to the right"]},{"label":"峠／ワインディング","icon":"mountain road","flow_labels_count":4,"flow_labels":["1970s〜 峠ブーム・チーム文化","1980s〜 軽量2スト","1990s〜 走り屋文化","2000s〜 スポーツツーリングへ"]},{"label":"ミニバイクレース","icon":"small motorcycle","flow_labels_count":5,"flow_labels":["1980s〜 ミニバイク増加","1990s〜 NSR50など人気","2000s〜 レース人口増","2010s〜 4ミニカスタム化","long pale green arrow to the right"]},{"label":"カフェレーサー／ネイキッド","icon":"coffee cup","flow_labels_count":5,"flow_labels":["1960s〜 カフェレーサースタイル","1980s〜 ネイキッド人気上昇","1990s〜 ネイキッドブーム","2010s〜 ストリートファイターへ","long pale green arrow to the right"]},{"label":"サーキット走行会／タイムアタック","icon":"stopwatch","flow_labels_count":4,"flow_labels":["1990s〜 走行会増加","2000s〜 タイムアタック","2010s〜 走行会・走る場所の多様化","long pale green arrow to the right"]}]},"legend":{"position":"bottom edge","items_count":2,"items":["■ = 名車・出来事（上段）","■ = 文化・カスタムの広がり（おおよその期間）（下段）"],"footnote":"※年表は主な出来事・傾向を中心に編集。文化・カスタムの期間はおおよその目安です。"},"style_parameters":{"primary_color":"{argument name=\"primary color\" default=\"deep forest green\"}","accent_color":"{argument name=\"accent color\" default=\"Honda red, Yamaha blue, Suzuki red and blue, Kawasaki green\"}","illustration_style":"{argument name=\"motorcycle illustration style\" default=\"realistic side-view cutout illustrations with light shadow\"}","density":"very information-dense but orderly, textbook-like, sharp Japanese typography"}}