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Okoge-keys commited on Oct 7, 2025

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Delete 軽量Kanban_app_v5

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軽量Kanban_app_v5/index.html +0 -567

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-<!DOCTYPE html>
-<html lang="ja">
-<head>
-  <meta charset="UTF-8" />
-  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-  <title>トヨタ式カンバンボード</title>
-  <script src="https://cdn.tailwindcss.com"></script>
-  <script>
-    tailwind.config = {
-      theme: {
-        extend: {
-          colors: {
-            kanban: {
-              base: '#0f172a',
-              card: '#1e293b',
-              accent: '#38bdf8',
-              caution: '#f97316'
-            }
-          }
-        }
-      }
-    };
-  </script>
-  <style>
-    :root {
-      color-scheme: dark;
-    }
-    .kanban-column-body {
-      max-height: calc(100vh - 320px);
-      overflow-y: auto;
-    }
-    @media (min-width: 768px) {
-      .kanban-column-body {
-        max-height: calc(100vh - 280px);
-      }
-    }
-    @media (min-width: 1280px) {
-      .kanban-column-body {
-        max-height: calc(100vh - 260px);
-      }
-    }
-    .kanban-scrollbar {
-      scrollbar-width: thin;
-      scrollbar-color: #334155 transparent;
-    }
-    .kanban-scrollbar::-webkit-scrollbar {
-      width: 8px;
-    }
-    .kanban-scrollbar::-webkit-scrollbar-track {
-      background: transparent;
-    }
-    .kanban-scrollbar::-webkit-scrollbar-thumb {
-      background-color: #334155;
-      border-radius: 9999px;
-    }
-    .kanban-note-clamped {
-      display: -webkit-box;
-      -webkit-line-clamp: 3;
-      -webkit-box-orient: vertical;
-      overflow: hidden;
-    }
-    [data-panel-body][hidden] {
-      display: none;
-    }
-    [data-panel].panel-collapsed {
-      border-color: rgba(148, 163, 184, 0.25);
-    }
-    .panel-toggle {
-      display: inline-flex;
-      align-items: center;
-      gap: 0.5rem;
-      border-radius: 0.5rem;
-      border: 1px solid rgba(100, 116, 139, 0.6);
-      padding: 0.35rem 0.75rem;
-      font-size: 0.75rem;
-      font-weight: 600;
-      color: rgba(226, 232, 240, 0.9);
-      background-color: transparent;
-      transition: border-color 0.2s ease, color 0.2s ease;
-    }
-    .panel-toggle:hover {
-      border-color: rgba(226, 232, 240, 0.85);
-      color: #f8fafc;
-    }
-    .panel-toggle:focus-visible {
-      outline: 2px solid rgba(56, 189, 248, 0.6);
-      outline-offset: 2px;
-    }
-    .kanban-card {
-      display: flex;
-      flex-direction: column;
-      gap: 0.75rem;
-      transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
-    }
-    .kanban-card:hover {
-      transform: translateY(-2px);
-    }
-    .kanban-card-actions {
-      transition: opacity 0.2s ease;
-    }
-    .kanban-card-actions:focus-within {
-      opacity: 1;
-      pointer-events: auto;
-    }
-    .kanban-card-title {
-      display: block;
-      overflow-wrap: anywhere;
-      word-break: break-word;
-      line-height: 1.4;
-    }
-    .kanban-card-compact {
-      padding-top: 1rem;
-      padding-bottom: 1rem;
-    }
-    .kanban-card-compact .kanban-card-title {
-      font-size: 0.95rem;
-      display: -webkit-box;
-      -webkit-line-clamp: 2;
-      -webkit-box-orient: vertical;
-      overflow: hidden;
-    }
-    .kanban-card-compact .kanban-card-actions {
-      opacity: 0;
-      pointer-events: none;
-    }
-    .kanban-card-notes {
-      overflow-wrap: anywhere;
-      line-height: 1.5;
-    }
-    .kanban-card-compact.kanban-card-expanded .kanban-card-actions,
-    .kanban-card:hover .kanban-card-actions {
-      opacity: 1;
-      pointer-events: auto;
-    }
-    .kanban-card-selected {
-      border-color: rgba(56, 189, 248, 0.7) !important;
-      box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.35);
-    }
-    .kanban-card-main {
-      flex: 1 1 260px;
-      min-width: 220px;
-    }
-    .kanban-card-aside {
-      flex: 0 0 180px;
-      min-width: 160px;
-      align-items: flex-end;
-      text-align: right;
-      gap: 0.5rem;
-    }
-    @media (max-width: 768px) {
-      .kanban-card-aside {
-        flex: 1 1 200px;
-        align-items: flex-start;
-        text-align: left;
-      }
-    }
-    .kanban-card-meta {
-      display: flex;
-      flex-wrap: wrap;
-      gap: 0.75rem;
-    }
-    .kanban-card-meta-item {
-      flex: 1 1 200px;
-      min-width: 180px;
-    }
-  </style>
-</head>
-<body class="min-h-screen bg-kanban-base text-slate-100">
-  <div class="mx-auto flex max-w-7xl flex-col gap-10 px-6 py-10">
-    <header class="space-y-4">
-      <div class="flex flex-wrap items-center justify-between gap-3">
-        <span class="inline-flex items-center gap-2 rounded-full bg-kanban-card/70 px-4 py-1 text-xs uppercase tracking-wide text-slate-300">Made by T</span>
-        <button id="title-edit" type="button" class="rounded-lg border border-slate-600 px-3 py-1 text-xs font-semibold text-slate-200 transition hover:border-slate-400 hover:text-white">タイトル編集</button>
-      </div>
-      <h1 id="board-title-heading" class="text-3xl font-bold text-white md:text-4xl">トヨタ式カンバンボード</h1>
-      <p class="max-w-2xl text-sm text-slate-300 md:text-base">
-        現場の「見える化」を支援する軽量なカンバンボード。<br>WIP制限を守りつつ、タスクの流れとボトルネックを素早く把握！
-        <html lang="en">
-        <head>
-          <meta charset="UTF-8">
-          <meta name="viewport" content="width=device-width, initial-scale=1.0">
-          <title>Document</title>
-        </head>
-        <body>
-        </body>
-        </html>
-      </p>
-    </header>
-    <section aria-labelledby="analytics-title" class="rounded-2xl bg-kanban-card/70 p-6 shadow-lg shadow-black/20" data-panel="analytics">
-      <div class="flex flex-wrap items-center justify-between gap-4">
-        <div>
-          <h2 id="analytics-title" class="text-lg font-semibold text-white">改善指標</h2>
-          <p class="text-sm text-slate-400">カードの滞留や流量を把握し、改善サイクルを素早く回すためのヒントとなる指標！</p>
-        </div>
-        <button type="button" class="panel-toggle" data-action="toggle-panel" data-target="analytics" aria-expanded="true">折りたたむ</button>
-      </div>
-      <div class="mt-6" data-panel-body="analytics">
-        <div class="grid gap-4 sm:grid-cols-2 xl:grid-cols-4">
-          <article class="rounded-xl border border-slate-700/60 bg-slate-900/40 p-4 shadow-inner shadow-black/10">
-            <span class="text-xs uppercase tracking-wide text-slate-400">総カード数</span>
-            <p class="mt-2 text-3xl font-semibold text-white" data-metric="total">0枚</p>
-            <p class="mt-2 text-xs text-slate-400">登録済みカードの全体数。</p>
-          </article>
-          <article class="rounded-xl border border-slate-700/60 bg-slate-900/40 p-4 shadow-inner shadow-black/10">
-            <span class="text-xs uppercase tracking-wide text-slate-400">仕掛り中（準備中・仕掛中・停止中）</span>
-            <p class="mt-2 text-3xl font-semibold text-white" data-metric="active">0枚</p>
-            <p class="mt-2 text-xs text-slate-400">ボトルネック発見のために観察したい枚数。</p>
-          </article>
-          <article class="rounded-xl border border-slate-700/60 bg-slate-900/40 p-4 shadow-inner shadow-black/10">
-            <span class="text-xs uppercase tracking-wide text-slate-400">直近7日間の完了</span>
-            <p class="mt-2 text-3xl font-semibold text-white" data-metric="throughput7">0枚</p>
-            <p class="mt-2 text-xs text-slate-400">完了ペース（スループット）の目安。</p>
-          </article>
-          <article class="rounded-xl border border-slate-700/60 bg-slate-900/40 p-4 shadow-inner shadow-black/10">
-            <span class="text-xs uppercase tracking-wide text-slate-400">平均リードタイム</span>
-            <p class="mt-2 text-3xl font-semibold text-white" data-metric="leadtime">--</p>
-            <p class="mt-2 text-xs text-slate-400">完了までの日数。平準化の指標として活用可能。</p>
-          </article>
-        </div>
-      </div>
-    </section>
-    <section aria-labelledby="filter-title" class="rounded-2xl bg-kanban-card/70 p-6 shadow-lg shadow-black/20" data-panel="filters">
-      <div class="flex flex-wrap items-center justify-between gap-4">
-        <h2 id="filter-title" class="text-lg font-semibold text-white">フィルタと検索</h2>
-        <button type="button" class="panel-toggle" data-action="toggle-panel" data-target="filters" aria-expanded="true">折りたたむ</button>
-      </div>
-      <div class="mt-6 space-y-6" data-panel-body="filters">
-                <div class="grid gap-4 md:grid-cols-2 lg:grid-cols-3">
-          <label class="space-y-2 text-sm">
-            <span class="text-slate-200">キーワード検索</span>
-            <input id="filter-keyword" type="search" placeholder="例: 標準作業票" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 placeholder:text-slate-500 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-          </label>
-          <label class="space-y-2 text-sm">
-            <span class="text-slate-200">期限（開始）</span>
-            <input id="filter-due-start" type="date" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-          </label>
-          <label class="space-y-2 text-sm">
-            <span class="text-slate-200">期限（終了）</span>
-            <input id="filter-due-end" type="date" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-          </label>
-        </div>
-        <div class="flex flex-wrap gap-2">
-          <button id="filter-clear" type="button" class="rounded-lg border border-slate-600 px-4 py-2 text-sm font-medium text-slate-200 transition hover:border-slate-400 hover:text-white">
-            条件クリア
-          </button>
-        </div>
-        <div class="space-y-3">
-          <div class="flex items-center justify-between">
-            <span class="text-sm font-semibold text-white">タグで絞り込み</span>
-          </div>
-          <div id="filter-tag-list" class="flex flex-wrap gap-2"></div>
-          <p class="text-xs text-slate-500">タグをクリックしてON/OFFを切り替え。複数選択でAND条件。</p>
-        </div>
-      </div>
-    </section>
-    <section aria-labelledby="form-title" class="rounded-2xl bg-kanban-card/70 p-6 shadow-lg shadow-black/20" data-panel="form">
-      <div class="flex flex-wrap items-center justify-between gap-4">
-        <div>
-          <h2 id="form-title" class="text-lg font-semibold text-white">タスク登録</h2>
-          <p class="text-sm text-slate-400">ポイントは小さく、進捗はこまめに。日々の改善に役立てよう！</p>
-        </div>
-        <div class="flex flex-wrap gap-2">
-          <!-- <button id="seed-demo" type="button" class="rounded-lg border border-slate-600 px-3 py-1.5 text-xs font-medium text-slate-200 transition hover:border-slate-400 hover:text-white">
-            デモデータを配置
-          </button> -->
-          <button type="button" class="panel-toggle" data-action="toggle-panel" data-target="form" aria-expanded="true">折りたたむ</button>
-        </div>
-      </div>
-      <div class="mt-6" data-panel-body="form">
-        <form id="task-form" class="grid gap-4 md:grid-cols-12 md:items-end">
-          <label class="space-y-2 text-sm md:col-span-4">
-            <span class="text-slate-200">タイトル</span>
-            <input id="task-title" name="title" type="text" required placeholder="例: 毎朝の現場ミーティング準備" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 placeholder:text-slate-500 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-          </label>
-          <label class="space-y-2 text-sm md:col-span-3">
-            <span class="text-slate-200">担当</span>
-            <input id="task-owner" name="owner" type="text" placeholder="例: 佐藤" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 placeholder:text-slate-500 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-          </label>
-          <label class="space-y-2 text-sm md:col-span-3">
-            <span class="text-slate-200">期限</span>
-            <input id="task-due" name="due" type="date" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 placeholder:text-slate-500 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-          </label>
-          <label class="space-y-2 text-sm md:col-span-2">
-            <span class="text-slate-200">工程</span>
-            <select id="task-status" name="status" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40">
-              <option value="backlog">バックログ</option>
-              <option value="ready">準備中</option>
-              <option value="inProgress">仕掛中</option>
-              <option value="waiting">停止中</option>
-              <option value="done">完了</option>
-            </select>
-          </label>
-          <label class="space-y-2 text-sm md:col-span-4 md:col-start-1 md:row-start-2">
-            <span class="text-slate-200">タグ（カンマ区切り）</span>
-            <input id="task-tags" name="tags" type="text" placeholder="例: 改善,品質" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 placeholder:text-slate-500 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-          </label>
-          <label class="space-y-2 text-sm md:col-span-4 md:row-start-2">
-            <span class="text-slate-200">参考リンク（URL）</span>
-            <input id="task-link" name="link" type="text" placeholder="例: https://example.com" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 placeholder:text-slate-500 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-          </label>
-          <label class="space-y-2 text-sm md:col-span-12 md:row-start-3">
-            <span class="text-slate-200">メモ</span>
-            <textarea id="task-notes" name="notes" rows="2" placeholder="作業手順や注意点などを記入" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 placeholder:text-slate-500 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40"></textarea>
-          </label>
-          <div class="md:col-span-4 md:col-start-9 md:row-start-4 md:flex md:justify-end md:space-x-3">
-            <button type="reset" class="mt-2 w-full rounded-lg border border-slate-600 px-4 py-2 text-sm font-medium text-slate-200 transition hover:border-slate-400 hover:text-white md:mt-0 md:w-auto">
-              クリア
-            </button>
-            <button type="submit" class="mt-2 w-full rounded-lg bg-kanban-accent px-4 py-2 text-sm font-semibold text-slate-900 transition hover:bg-sky-400 md:mt-0 md:w-auto">
-              登録
-            </button>
-          </div>
-        </form>
-        <p id="message-area" class="mt-4 text-sm font-medium text-kanban-caution opacity-0 transition-opacity duration-300" aria-live="assertive"></p>
-      </div>
-    </section>
-    <section aria-labelledby="board-title" class="space-y-4">
-      <div class="flex flex-wrap items-center justify-between gap-3">
-        <div>
-          <h2 id="board-title" class="text-lg font-semibold text-white">フローの見える化</h2>
-          <p class="text-sm text-slate-400">カードはドラッグ＆ドロップで工程移動が可能。仕掛り中の制限数を超えないように管理。</p>
-        </div>
-        <div class="flex gap-2 text-xs text-slate-300">
-          <span class="rounded-full bg-slate-800/60 px-3 py-1">準備中 WIP 5</span>
-          <span class="rounded-full bg-slate-800/60 px-3 py-1">仕掛中 WIP 3</span>
-          <span class="rounded-full bg-slate-800/60 px-3 py-1">停止中 WIP 2</span>
-        </div>
-      </div>
-      <div class="flex flex-wrap items-center justify-between gap-4 rounded-2xl bg-kanban-card/70 px-4 py-3 text-sm text-slate-300">
-        <div class="flex flex-wrap items-center gap-3">
-          <span id="selection-counter">選択中: 0枚</span>
-          <span class="text-xs text-slate-500" id="selection-hint">カード左端のチェックで選択、ツールで一括操作可能。</span>
-        </div>
-        <div class="flex flex-wrap gap-2">
-          <button id="view-toggle" type="button" class="rounded-lg border border-slate-600 px-3 py-1 text-xs font-medium text-slate-200 transition hover:border-slate-400 hover:text-white">
-            コンパクト表示
-          </button>
-          <button id="selection-selectall" type="button" class="rounded-lg border border-slate-600 px-3 py-1 text-xs font-medium text-slate-200 transition hover:border-slate-400 hover:text-white">
-            全選択
-          </button>
-          <button id="selection-clear" type="button" class="rounded-lg border border-slate-600 px-3 py-1 text-xs font-medium text-slate-200 transition hover:border-slate-400 hover:text-white" disabled>
-            選択解除
-          </button>
-          <button id="selection-delete" type="button" class="rounded-lg bg-rose-500/80 px-3 py-1 text-xs font-semibold text-rose-50 transition hover:bg-rose-500 disabled:cursor-not-allowed disabled:bg-rose-900/40" disabled>
-            選択削除
-          </button>
-        </div>
-      </div>
-      <div class="grid gap-6 md:grid-cols-2 xl:grid-cols-5">
-        <article class="flex min-h-[240px] flex-col rounded-2xl bg-kanban-card/70 p-4 shadow-lg shadow-black/10" data-column="backlog">
-          <header class="mb-3 flex items-center justify-between text-sm text-slate-300">
-            <h3 class="text-base font-semibold text-white">バックログ</h3>
-            <span class="rounded-full bg-slate-800/70 px-2 py-0.5 text-xs font-medium" data-counter="backlog">0</span>
-          </header>
-          <div class="kanban-column-body kanban-scrollbar flex flex-1 flex-col gap-3" data-dropzone="backlog"></div>
-        </article>
-        <article class="flex min-h-[240px] flex-col rounded-2xl bg-kanban-card/70 p-4 shadow-lg shadow-black/10" data-column="ready" data-wip="5">
-          <header class="mb-3 flex items-center justify-between text-sm text-slate-300">
-            <h3 class="text-base font-semibold text-white">準備中</h3>
-            <span class="rounded-full bg-slate-800/70 px-2 py-0.5 text-xs font-medium" data-counter="ready">0</span>
-          </header>
-          <div class="kanban-column-body kanban-scrollbar flex flex-1 flex-col gap-3" data-dropzone="ready"></div>
-        </article>
-        <article class="flex min-h-[240px] flex-col rounded-2xl bg-kanban-card/70 p-4 shadow-lg shadow-black/10" data-column="inProgress" data-wip="3">
-          <header class="mb-3 flex items-center justify-between text-sm text-slate-300">
-            <h3 class="text-base font-semibold text-white">仕掛中</h3>
-            <span class="rounded-full bg-slate-800/70 px-2 py-0.5 text-xs font-medium" data-counter="inProgress">0</span>
-          </header>
-          <div class="kanban-column-body kanban-scrollbar flex flex-1 flex-col gap-3" data-dropzone="inProgress"></div>
-        </article>
-        <article class="flex min-h-[240px] flex-col rounded-2xl bg-kanban-card/70 p-4 shadow-lg shadow-black/10" data-column="waiting" data-wip="2">
-          <header class="mb-3 flex items-center justify-between text-sm text-slate-300">
-            <h3 class="text-base font-semibold text-white">停止中</h3>
-            <span class="rounded-full bg-slate-800/70 px-2 py-0.5 text-xs font-medium" data-counter="waiting">0</span>
-          </header>
-          <div class="kanban-column-body kanban-scrollbar flex flex-1 flex-col gap-3" data-dropzone="waiting"></div>
-        </article>
-        <article class="flex min-h-[240px] flex-col rounded-2xl bg-kanban-card/70 p-4 shadow-lg shadow-black/10" data-column="done">
-          <header class="mb-3 flex items-center justify-between text-sm text-slate-300">
-            <h3 class="text-base font-semibold text-white">完了</h3>
-            <span class="rounded-full bg-slate-800/70 px-2 py-0.5 text-xs font-medium" data-counter="done">0</span>
-          </header>
-          <div class="kanban-column-body kanban-scrollbar flex flex-1 flex-col gap-3" data-dropzone="done"></div>
-        </article>
-      </div>
-    </section>
-  </div>
-    <template id="task-template">
-    <div class="kanban-card group rounded-xl border border-slate-700 bg-slate-800/80 p-4 shadow-sm shadow-black/20 transition hover:border-kanban-accent/60" draggable="true" data-task-id="">
-      <div class="kanban-card-header flex flex-wrap items-start justify-between gap-3">
-        <div class="kanban-card-main flex min-w-0 flex-1 flex-col gap-2">
-          <div class="flex flex-wrap items-start gap-3">
-            <label class="mt-1 inline-flex shrink-0 items-center">
-              <input type="checkbox" data-action="select-task" class="h-4 w-4 rounded border-slate-600 bg-slate-900 text-kanban-accent focus:ring-2 focus:ring-kanban-accent/40" />
-              <span class="sr-only">カードを選択</span>
-            </label>
-            <div class="flex-1 min-w-0 space-y-1">
-              <h3 data-field="title" class="kanban-card-title text-base font-semibold text-white leading-tight"></h3>
-              <div class="hidden flex flex-wrap gap-2 text-xs text-slate-300" data-section="tags" aria-hidden="true">
-                <span class="sr-only">タグ</span>
-                <div data-field="tags" class="flex flex-wrap gap-2"></div>
-              </div>
-            </div>
-          </div>
-        </div>
-        <div class="kanban-card-aside flex flex-col items-end gap-2 text-xs text-slate-300">
-          <div class="hidden flex flex-wrap items-center gap-2" data-section="link">
-            <svg aria-hidden="true" class="h-3.5 w-3.5 text-sky-300" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round">
-              <path d="M9.91 13.91a3 3 0 0 1 0-4.24l2.83-2.83a3 3 0 0 1 4.24 4.24l-.7.7"/>
-              <path d="M14.09 10.09a3 3 0 0 1 0 4.24l-2.83 2.83a3 3 0 0 1-4.24-4.24l.7-.7"/>
-            </svg>
-            <a data-field="link" class="block break-words text-sky-300 underline-offset-2 hover:underline" href="#" target="_blank" rel="noreferrer noopener">リンクを開く</a>
-          </div>
-        </div>
-      </div>
-      <div class="kanban-card-actions mt-3 flex flex-wrap justify-end gap-2">
-        <button class="rounded-md border border-slate-500 px-2 py-1 text-xs font-semibold text-slate-200 transition hover:border-slate-300 hover:text-white" type="button" data-action="toggle-details" aria-expanded="false">
-          詳細
-        </button>
-        <button class="hidden rounded-md bg-kanban-accent px-2 py-1 text-xs font-semibold text-slate-900 transition hover:bg-sky-400 group-hover:inline-flex" type="button" data-action="mark-done">
-          完了へ
-        </button>
-        <button class="hidden rounded-md border border-slate-500 px-2 py-1 text-xs font-semibold text-slate-200 transition hover:border-slate-300 hover:text-white group-hover:inline-flex" type="button" data-action="edit-task">
-          編集
-        </button>
-        <button class="hidden rounded-md border border-rose-600 px-2 py-1 text-xs font-semibold text-rose-200 transition hover:border-rose-400 hover:text-rose-50 group-hover:inline-flex" type="button" data-action="delete-task">
-          削除
-        </button>
-      </div>
-      <dl class="kanban-card-meta mt-3 text-xs text-slate-300" data-section="meta">
-        <div class="kanban-card-meta-item space-y-1">
-          <dt class="uppercase tracking-wide text-slate-500">担当</dt>
-          <dd class="font-medium text-white" data-field="owner"></dd>
-        </div>
-        <div class="kanban-card-meta-item space-y-1">
-          <dt class="uppercase tracking-wide text-slate-500">期限</dt>
-          <dd class="font-medium text-white" data-field="due"></dd>
-        </div>
-      </dl>
-      <p class="kanban-card-notes mt-3 whitespace-pre-line text-sm text-slate-200" data-section="notes" data-field="notes"></p>
-    </div>
-  </template>
-  <dialog id="edit-dialog" class="w-full max-w-xl rounded-2xl border border-slate-600/60 bg-slate-900/95 p-0 text-slate-100 backdrop:bg-slate-900/60">
-    <form id="edit-form" class="grid gap-4 p-6" method="dialog">
-      <header class="space-y-1">
-        <h2 class="text-lg font-semibold text-white">タスクの編集</h2>
-        <p class="text-sm text-slate-400">内容の更新や振り返りを反映できます。</p>
-      </header>
-      <label class="space-y-2 text-sm">
-        <span class="text-slate-200">タイトル</span>
-        <input id="edit-title" name="title" type="text" required class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-      </label>
-      <div class="grid gap-4 md:grid-cols-2">
-        <label class="space-y-2 text-sm">
-          <span class="text-slate-200">担当</span>
-          <input id="edit-owner" name="owner" type="text" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-        </label>
-        <label class="space-y-2 text-sm">
-          <span class="text-slate-200">期限</span>
-          <input id="edit-due" name="due" type="date" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-        </label>
-      </div>
-      <label class="space-y-2 text-sm">
-        <span class="text-slate-200">メモ</span>
-        <textarea id="edit-notes" name="notes" rows="3" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40"></textarea>
-      </label>
-      <label class="space-y-2 text-sm">
-        <span class="text-slate-200">タグ（カンマ区切り）</span>
-        <input id="edit-tags" name="tags" type="text" placeholder="例: デザイン, レビュー" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-      </label>
-      <label class="space-y-2 text-sm">
-        <span class="text-slate-200">参考リンク（URL）</span>
-        <input id="edit-link" name="link" type="text" class="w-full rounded-lg border border-transparent bg-slate-800/80 px-3 py-2 text-slate-100 focus:border-kanban-accent focus:outline-none focus:ring-2 focus:ring-kanban-accent/40" />
-      </label>
-      <div class="flex justify-end gap-3 pt-2">
-        <button type="button" data-action="cancel-edit" class="rounded-lg border border-slate-600 px-4 py-2 text-sm font-medium text-slate-200 transition hover:border-slate-400 hover:text-white">キャンセル</button>
-        <button type="submit" class="rounded-lg bg-kanban-accent px-4 py-2 text-sm font-semibold text-slate-900 transition hover:bg-sky-400">保存</button>
-      </div>
-    </form>
-  </dialog>
-  <script src="./app.js"></script>
-</body>
-</html>