{
  "id": "title-slide-rule-under-subject",
  "schemaVersion": 2,
  "title": {
    "ja": "表紙 — 件名の下に罫を 1 本だけ",
    "en": "Title Slide — One Rule Under the Subject"
  },
  "summary": {
    "ja": "件名・差出人・日付だけの表紙。装飾は accent の罫 1 本に絞る",
    "en": "A cover carrying only subject, sender and date, decorated by a single accent rule"
  },
  "capturedAt": "2026-09-15",
  "categories": [
    "presentation"
  ],
  "tags": [
    "minimal",
    "typography"
  ],
  "useCases": [
    "cover"
  ],
  "format": "slide-16x9",
  "density": "low",
  "layout": {
    "kind": "centered",
    "canvas": {
      "w": 1920,
      "h": 1080
    },
    "margin": {
      "top": 120,
      "right": 160,
      "bottom": 120,
      "left": 160
    }
  },
  "type": {
    "to": {
      "size": 20,
      "weight": 500,
      "tracking": "0.04em"
    },
    "subject": {
      "size": 76,
      "weight": 700,
      "tracking": "0.01em",
      "leading": 1.32
    },
    "lede": {
      "size": 24,
      "weight": 400,
      "leading": 1.85
    },
    "org": {
      "size": 22,
      "weight": 500
    },
    "dept": {
      "size": 17,
      "weight": 400
    },
    "date": {
      "size": 17,
      "weight": 400,
      "numeric": "tabular"
    },
    "code": {
      "size": 13,
      "weight": 500,
      "tracking": "0.18em"
    }
  },
  "colors": {
    "ground": "#FFFFFF",
    "surface": "#F4F6F8",
    "ink": "#14171A",
    "muted": "#767C85",
    "accent": "#0F6B5E",
    "rule": "#D7DCE1",
    "series": []
  },
  "rules": [
    {
      "ja": "表紙に本編の要約を載せない。件名・差出人・日付の 3 つで足りる",
      "en": "Never summarize the deck on its cover — subject, sender and date are enough"
    },
    {
      "ja": "装飾は罫 1 本だけ。2 本目を引いた時点で、どちらが区切りか分からなくなる",
      "en": "One rule only — a second one stops either from reading as the divider"
    },
    {
      "ja": "宛先を上端、差出人を下端に置き、件名だけを縦中央に浮かせる",
      "en": "Addressee at the top, sender at the foot, the subject alone floating at center"
    }
  ],
  "cover": "https://design-vault.pages.dev/_astro/cover.C83jwYRA.png",
  "assets": [],
  "shortlist": false,
  "status": "published",
  "relations": {
    "similar": [
      "cover-a4-centered-subject",
      "section-divider-number-bleed",
      "statement-one-sentence"
    ]
  },
  "license": "Original",
  "publishedAt": null,
  "reproduction": {
    "spec": {
      "format": "slide-16x9",
      "density": "low",
      "layout": {
        "kind": "centered",
        "canvas": {
          "w": 1920,
          "h": 1080
        },
        "margin": {
          "top": 120,
          "right": 160,
          "bottom": 120,
          "left": 160
        }
      },
      "type": {
        "to": {
          "size": 20,
          "weight": 500,
          "tracking": "0.04em"
        },
        "subject": {
          "size": 76,
          "weight": 700,
          "tracking": "0.01em",
          "leading": 1.32
        },
        "lede": {
          "size": 24,
          "weight": 400,
          "leading": 1.85
        },
        "org": {
          "size": 22,
          "weight": 500
        },
        "dept": {
          "size": 17,
          "weight": 400
        },
        "date": {
          "size": 17,
          "weight": 400,
          "numeric": "tabular"
        },
        "code": {
          "size": 13,
          "weight": 500,
          "tracking": "0.18em"
        }
      },
      "colors": {
        "ground": "#FFFFFF",
        "surface": "#F4F6F8",
        "ink": "#14171A",
        "muted": "#767C85",
        "accent": "#0F6B5E",
        "rule": "#D7DCE1"
      },
      "rules": [
        "Never summarize the deck on its cover — subject, sender and date are enough",
        "One rule only — a second one stops either from reading as the divider",
        "Addressee at the top, sender at the foot, the subject alone floating at center"
      ]
    },
    "prompt": {
      "ja": "以下の仕様でスライドを 1 枚作ってください。\n\n- 版面 1920 × 1080\n- 余白 上 120 右 160 下 120 左 160\n\n## 文字（版面 1920px に対する px）\nto  20px / 500 / 字間 0.04em\nsubject  76px / 700 / 字間 0.01em / 行送り 1.32\nlede  24px / 400 / 行送り 1.85\norg  22px / 500\ndept  17px / 400\ndate  17px / 400 / 等幅数字\ncode  13px / 500 / 字間 0.18em\n\n## 配色\n地 #FFFFFF / 面 #F4F6F8 / 文字 #14171A / 補助 #767C85 / 強調 #0F6B5E / 罫 #D7DCE1\n\n## 外すと崩れる点\n- 表紙に本編の要約を載せない。件名・差出人・日付の 3 つで足りる\n- 装飾は罫 1 本だけ。2 本目を引いた時点で、どちらが区切りか分からなくなる\n- 宛先を上端、差出人を下端に置き、件名だけを縦中央に浮かせる\n\n内容は［ここに自分の内容を書く］に置き換えてください。寸法と配色はそのまま守ってください。\n正確に再現する場合は、この HTML をそのまま使ってください: https://design-vault.pages.dev/designs/title-slide-rule-under-subject/pattern.html",
      "en": "Produce one slide to the following specification.\n\n- Canvas 1920 × 1080\n- Margin top 120 right 160 bottom 120 left 160\n\n## Type (px against a 1920px canvas)\nto  20px / 500 / tracking 0.04em\nsubject  76px / 700 / tracking 0.01em / leading 1.32\nlede  24px / 400 / leading 1.85\norg  22px / 500\ndept  17px / 400\ndate  17px / 400 / tabular numerals\ncode  13px / 500 / tracking 0.18em\n\n## Colour\nGround #FFFFFF / Surface #F4F6F8 / Ink #14171A / Muted #767C85 / Accent #0F6B5E / Rule #D7DCE1\n\n## Constraints — dropping these breaks it\n- Never summarize the deck on its cover — subject, sender and date are enough\n- One rule only — a second one stops either from reading as the divider\n- Addressee at the top, sender at the foot, the subject alone floating at center\n\nReplace the content with [your content]. Keep the measurements and colours as given.\nFor an exact reproduction, use the verbatim HTML at https://design-vault.pages.dev/designs/title-slide-rule-under-subject/pattern.html."
    },
    "code": {
      "html": "<!doctype html>\n<meta charset=\"utf-8\">\n<title>表紙 — 件名の下に 1 本だけ罫を引く</title>\n<meta name=\"dv-font\" content=\"Zen Kaku Gothic New:400;500;700\">\n<link rel=\"stylesheet\" href=\"./font.css\">\n<style>\n  /* 版そのもの。index.md の layout / type / colors は\n     scripts/render-pattern.mjs がこの HTML を実測した結果。 */\n  :root {\n    --ground: #FFFFFF;\n    --surface: #F4F6F8;\n    --ink: #14171A;\n    --muted: #767C85;\n    --accent: #0F6B5E;\n    --rule: #D7DCE1;\n  }\n  * { box-sizing: border-box; margin: 0; }\n  html, body { width: 1920px; height: 1080px; }\n  body { font-family: \"Zen Kaku Gothic New\", \"IPAGothic\", sans-serif; }\n\n  .artboard {\n    width: 1920px; height: 1080px;\n    background: var(--ground); color: var(--ink);\n    padding: 120px 160px;\n  }\n  /* 宛先を上端、日付と資料番号を下端に置き、件名だけを縦中央に浮かせる。\n     版面は height:100% で固定し、中身の量では動かさない。 */\n  .content { height: 100%; display: grid; grid-template-rows: auto 1fr auto; }\n\n  .to { font-size: 20px; font-weight: 500; letter-spacing: .04em; color: var(--muted); }\n  .block { align-self: center; max-width: 1180px; }\n  .subject { font-size: 76px; font-weight: 700; line-height: 1.32; letter-spacing: .01em; }\n  /* 罫は 1 本だけ。件名と差出人を隔てる線がそのまま構成の背骨になる。 */\n  .bar { width: 168px; height: 4px; background: var(--accent); margin: 52px 0 44px; }\n  .lede { font-size: 24px; font-weight: 400; line-height: 1.85; color: var(--muted); }\n\n  .foot { display: flex; align-items: flex-end; justify-content: space-between; gap: 64px;\n          border-top: 1px solid var(--rule); padding-top: 28px; }\n  .from { display: grid; gap: 10px; }\n  .org { font-size: 22px; font-weight: 500; }\n  .dept { font-size: 17px; font-weight: 400; color: var(--muted); }\n  .stamp { display: flex; align-items: center; gap: 28px; }\n  .date { font-size: 17px; font-weight: 400; color: var(--muted); font-variant-numeric: tabular-nums; }\n  .code { font-size: 13px; font-weight: 500; letter-spacing: .18em; color: var(--muted);\n          background: var(--surface); padding: 9px 16px; }\n</style>\n\n<div class=\"artboard\" data-artboard>\n  <div class=\"content\" data-content>\n    <p class=\"to\" data-type=\"to\">株式会社ミナト製作所 御中</p>\n\n    <div class=\"block\">\n      <h1 class=\"subject\" data-type=\"subject\">基幹システム刷新のご提案<br>—— 止めずに、3 年で移す</h1>\n      <div class=\"bar\"></div>\n      <p class=\"lede\" data-type=\"lede\">現行の運用を 1 日も止めないことを前提条件に置いた移行計画です。<br>費用と期間は本編 12 ページ以降にまとめました。</p>\n    </div>\n\n    <div class=\"foot\">\n      <div class=\"from\">\n        <p class=\"org\" data-type=\"org\">株式会社オリオン・システムズ</p>\n        <p class=\"dept\" data-type=\"dept\">第二営業本部 公共・製造ソリューション部</p>\n      </div>\n      <div class=\"stamp\">\n        <p class=\"date\" data-type=\"date\">2026 年 9 月 15 日</p>\n        <p class=\"code\" data-type=\"code\">P-2026-0915</p>\n      </div>\n    </div>\n  </div>\n</div>\n",
      "url": "https://design-vault.pages.dev/designs/title-slide-rule-under-subject/pattern.html",
      "fonts": [
        "https://design-vault.pages.dev/designs/title-slide-rule-under-subject/font.css",
        "https://design-vault.pages.dev/designs/title-slide-rule-under-subject/font-0.woff2",
        "https://design-vault.pages.dev/designs/title-slide-rule-under-subject/font-1.woff2",
        "https://design-vault.pages.dev/designs/title-slide-rule-under-subject/font-2.woff2"
      ]
    }
  },
  "urls": {
    "ja": "https://design-vault.pages.dev/designs/title-slide-rule-under-subject",
    "en": "https://design-vault.pages.dev/en/designs/title-slide-rule-under-subject"
  },
  "notesMarkdown": "## この構成について / About this pattern\n\n出典を持たない自作パターン。**`pattern.html` が版そのもの**で、`cover.png` と frontmatter の\n`layout` / `type` / `colors` はどちらもそこから機械的に測った結果。編集するのは `pattern.html`\nだけで、寸法を手で書き直すことはない。\n\nA self-authored pattern. `pattern.html` is the artboard itself; both `cover.png` and the\nmeasurements in the frontmatter are derived from it, so the three cannot drift apart.\nEdit the artboard, never the numbers.\n\n### Techniques\n\n- 件名は 2 行まで。3 行に渡る件名は、そもそも件名になっていない\n- 罫の幅（168px）は件名の 1 文字ぶんより広く、1 単語より狭く取る\n- 資料番号だけ surface を敷いて、日付と質を変える\n\n### Apply to\n\n- 提案書・報告書の 1 枚目\n- 社外向け資料の送付状"
}