Japanese Motorcycle Culture Timeline

{"type":"Japanese infographic timeline poster","language":"Japanese","canvas":"landscape 4:3 educational chart with a clean white background, red grid lines, bold red title bar, small motorcycle illustrations, and dense Japanese annotations","headline":"{argument name=\"headline text\" default=\"④ 日本のバイクメーカー・名車と見た目系カスタム文化 年表\"}","subtitle":"名車・メーカーの主な出来事（上段）と、見た目のカスタム・ドレスアップ文化（下段）を年表で比較","layout":{"top_timeline":{"position":"upper two thirds","description":"matrix comparing 4 Japanese motorcycle manufacturers across 8 decade columns, with each cell showing a year, model name, and small detailed side-view motorcycle illustration","columns_count":8,"columns":["1950","1960","1970","1980","1990","2000","2010","2020"],"rows_count":4,"rows":[{"maker":"HONDA","logo_style":"red wing logo and HONDA text","entries_count":8,"entries":["1958 スーパーカブ C100","1969 モンキー Z50M","1971 CB400T ホークⅡ","1981 CBX400F","1992 モンキーR","2008 モンキー・カブの趣味性表現","2010 custom-style small bike illustration","2021 CT125 ハンターカブ"]},{"maker":"YAMAHA","logo_style":"blue tuning-fork circle logo and YAMAHA text","entries_count":7,"entries":["1968 メイト","1974 DT250","1980 XJ400","1983 RZ250 (4L3)","1995 マジェスティ125","2005 マジェスティ (SG20J)","2023 XSR125"]},{"maker":"SUZUKI","logo_style":"red S logo and SUZUKI text","entries_count":8,"entries":["1971 バンバン90","1976 GS400","1982 GSX400E","1985 RG250Γ","2000 スカイウェイブ（初代）","2017 SV650X","2023 GSX-S125","one empty/spacing decade cell to preserve grid alignment"]},{"maker":"Kawasaki","logo_style":"green Kawasaki mark and text","entries_count":8,"entries":["1969 500SS","1976 KH400","1981 Z400FX","1983 GPz400F","1998 W650","2003 エストレヤ","2022 250RS/250TR系（ネオクラ系譜）","one empty/spacing decade cell to preserve grid alignment"]}]},"bottom_culture_timeline":{"position":"lower third","section_title":"見た目系・ドレスアップ文化の流れ（下段）","description":"7 horizontal culture rows with pale colored category labels on the left and pink arrows showing approximate periods of popularity","rows_count":7,"rows":[{"label":"暴走族／族車文化","icon":"small aggressive motorcycle emblem","timeline":"1970s〜成立 → 1980s〜全盛 → 1990s〜減少へ → 2000s〜旧車會へ移行"},{"label":"旧車會文化","icon":"rising-sun style icon","timeline":"1980s後半〜旧車に暴走族風 → 1990s〜大規模集団走行が可視化 → 2000s〜イベント・ミーティング化"},{"label":"チョッパー／ボバー","icon":"chopper motorcycle silhouette","timeline":"1960s〜アメリカンスタイル流入 → 1970s〜チョッパー志向 → 1990s〜ボバー再評価 → 2000s〜カスタムの主流に"},{"label":"アメリカン／クルーザー","icon":"cruiser motorcycle silhouette","timeline":"1980s〜ドラッグスターなど登場 → 1990s〜アメリカンブーム → 2000s〜カスタム化進む"},{"label":"ビッグスクーターカスタム","icon":"large scooter silhouette","timeline":"2000s〜ビッグスクーターブーム → 2000s中盤〜オーディオ・メッキ・エアロ → 2010s〜ラグジュアリー化・多様化"},{"label":"カブカスタム／ミニバイクカスタム","icon":"green small bike silhouette","timeline":"1990s〜カブ・モンキー系カスタム → 2000s〜4ミニカスタムイベント増加 → 2010s〜キャンプ・アウトドア系へ"},{"label":"ネオクラシック／レトロ","icon":"red helmet icon","timeline":"2000s〜SR・W・エストレヤ人気 → 2010s〜レトロ・ネオクラシック人気"}]},"right_sidebar":{"position":"right edge","title":"豆知識・雑学","style":"vertical column with red bullet dots, dotted separators, and 8 small motorcycle or emblem illustrations","facts_count":8,"facts":["カブは1958年登場。","実用車カブは後に趣味車化。","暴走族人数のピークは1982年。","族車は見た目の記号が強い。","旧車會は旧型二輪の集団文化。","Z2・CB系は旧車文化の中心。","ビッグスクーターは2000年代に。","TW系は街乗り見た目文化。"]},"footer":{"legend_count":2,"legend":["黒・グレー＝名車・出来事（メーカーの主な出来事・名車）","赤・ピンク＝文化・カスタムの広がり（おおよその期間）"],"note":"※年代区分はおおよその目安です。"}},"visual_style":{"typography":"bold Japanese sans-serif, red headings, compact black labels, clear chart hierarchy","colors":"dominant red and white, pale pink arrows, light beige/pink/green/lavender category strips, maker logos in brand colors","illustration_style":"small crisp semi-realistic side-view motorcycle drawings with shadows, varied colors and eras, infographic clarity rather than photorealism","rendering":"high-resolution print-ready poster, sharp legible text, neat grid alignment, educational magazine style"}}