{
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  "title": "山陽新幹線",
  "description": "新大阪〜博多を結び、東海道新幹線と一体運転する新幹線。最高速度300km/h。",
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    "id": "concept_japan_shinkansen_sanyo",
    "type": "concept",
    "title": "山陽新幹線",
    "slug": "jp-shinkansen-sanyo",
    "summary": "新大阪〜博多を結び、東海道新幹線と一体運転する新幹線。最高速度300km/h。",
    "status": "published",
    "categories": [
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      "category-history"
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    "tags": [
      "tag-rail"
    ],
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      {
        "id": "ja-wiki",
        "title": "山陽新幹線",
        "url": "https://ja.wikipedia.org/wiki/%E5%B1%B1%E9%99%BD%E6%96%B0%E5%B9%B9%E7%B7%9A",
        "locator": "日本語ウィキペディア・公式サイト, 2026-10-28確認"
      }
    ],
    "createdAt": "2026-10-28T00:00:00+08:00",
    "updatedAt": "2026-10-28T00:00:00+08:00",
    "updatedBy": "user:admin",
    "revision": 11,
    "body": "## 概要\n\n山陽新幹線は、新大阪駅と博多駅を結ぶ新幹線で、営業キロ553.7km、最高速度300km/h、駅数は19である。東海道新幹線と直通運転し、「のぞみ」は東京〜博多間を約4時間30分で結ぶ。[^ja-wiki]\n\n## 路線データ\n\n| 項目 | 内容 |\n|---|---|\n| 区間 | 新大阪〜博多 |\n| 営業キロ | 553.7km |\n| 駅数 | 19 |\n| 最高速度 | 300km/h |\n| 開業 | 1972年3月15日（新大阪〜岡山）／1975年3月10日（岡山〜博多） |\n| 運営 | [[org_japan_jr_west|西日本旅客鉄道（JR西日本）]] |\n| 車両 | 500系・700系・N700系・N700S系 |\n\n## 歴史\n\n- 1972年（昭和47年）：新大阪〜岡山間開業。\n- 1975年（昭和50年）：岡山〜博多間延伸開業。\n- 2000年代以降：500系「のぞみ」（300km/h運転）とN700系の導入により速度・快適性を向上。\n\n## 主要駅\n\n新大阪・新神戸・西明石・姫路・相生・岡山・新倉敷・福山・新尾道・三原・東広島・広島・新岩国・徳山・新山口・厚狭・新下関・小倉・博多の19駅。\n\n## 接続\n\n新大阪駅で東海道新幹線と、博多駅で九州新幹線と直通運転する。",
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    "conceptKind": "rail_line"
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  "tags": [
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      "slug": "rail",
      "name": "铁路",
      "names": {
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      "revision": 11,
      "updatedAt": "2026-10-28T00:00:00+08:00",
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