Upload index_sakura.html

index_sakura.html

@@ -60,6 +60,7 @@
     --header-height:   58px;
     --filter-height:   48px;
     --sidebar-width:   264px;
+    --font-scale:      1;
   }
 
   html {
@@ -208,7 +209,7 @@
     gap: 3px;
   }
   .sidebar-item-text {
-    font-size: 13px;
+    font-size: calc(13px * var(--font-scale));
     color: rgba(235,224,255,0.87);
     line-height: 1.45;
     word-break: break-word;
@@ -217,7 +218,7 @@
     display: inline-flex;
     align-items: center;
     gap: 3px;
-    font-size: 11px;
+    font-size: calc(11px * var(--font-scale));
     color: rgba(175,150,255,0.68);
     text-decoration: none;
     max-width: 100%;
@@ -323,6 +324,18 @@
   .btn-primary:hover { filter: brightness(1.15); transform: translateY(-1px); box-shadow: 0 4px 18px rgba(116,88,184,0.55); }
   .btn-primary:active { transform: translateY(0); }
 
+  #btn-add-task {
+    padding: 8px 18px;
+    font-weight: 600;
+    letter-spacing: 0.03em;
+    background: linear-gradient(135deg, #a088e8 0%, #6244c0 100%);
+    box-shadow: 0 3px 18px rgba(116,88,184,0.55), inset 0 0 0 1px rgba(255,255,255,0.14);
+  }
+  #btn-add-task:hover {
+    filter: brightness(1.12);
+    box-shadow: 0 5px 26px rgba(116,88,184,0.75), 0 0 22px rgba(180,140,255,0.32), inset 0 0 0 1px rgba(255,255,255,0.20);
+  }
+
   .btn-icon-only {
     background: rgba(255,255,255,0.09);
     color: rgba(235,224,255,0.85);
@@ -439,7 +452,7 @@
     gap: var(--space-3);
     margin: var(--space-4) 0 var(--space-2);
     color: rgba(235,224,255,0.40);
-    font-size: 12px;
+    font-size: calc(12px * var(--font-scale));
     letter-spacing: 0.05em;
   }
   .completed-separator::before,
@@ -481,7 +494,7 @@
     display: inline-flex; align-items: center; justify-content: center;
     width: 28px; height: 20px;
     border-radius: var(--radius-badge);
-    font-size: 11px; font-weight: 700;
+    font-size: calc(11px * var(--font-scale)); font-weight: 700;
     flex-shrink: 0; letter-spacing: 0.02em;
   }
   .badge-high   { background: var(--badge-high-bg);   color: var(--badge-high-text); }
@@ -490,13 +503,13 @@
 
   .card-title-area { flex: 1; min-width: 0; cursor: pointer; }
   .card-title {
-    font-size: 14px; font-weight: 500; color: var(--color-text-card);
+    font-size: calc(14px * var(--font-scale)); font-weight: 500; color: var(--color-text-card);
     white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
     transition: color var(--transition);
   }
   .card-title-area:hover .card-title { color: var(--color-primary); }
   .card-title-area::after {
-    content: "▾"; font-size: 10px;
+    content: "▾"; font-size: calc(10px * var(--font-scale));
     color: rgba(116,88,184,0.26); margin-left: 4px;
     transition: transform var(--transition), color var(--transition);
   }
@@ -507,20 +520,21 @@
     background: rgba(116,88,184,0.10); color: var(--color-primary);
     border: 1px solid rgba(116,88,184,0.18);
     border-radius: 6px; padding: 2px 8px;
-    font-size: 12px; white-space: nowrap; flex-shrink: 0; cursor: pointer;
+    font-size: calc(12px * var(--font-scale)); white-space: nowrap; flex-shrink: 0; cursor: pointer;
     transition: background var(--transition), color var(--transition);
   }
   .requester-chip:hover { background: rgba(116,88,184,0.20); color: #5e3ea8; }
 
   .due-date {
-    font-size: 12px; font-family: var(--font-mono);
+    font-size: calc(12px * var(--font-scale)); font-family: var(--font-mono);
     color: var(--color-text-muted);
     white-space: nowrap; flex-shrink: 0; min-width: 42px; text-align: right;
   }
   .due-date.overdue { color: var(--color-overdue); font-weight: 700; }
   .due-date.overdue::before { content: "⚠ "; font-family: var(--font-gothic); font-size: 10px; }
 
-  .card-actions { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
+  .card-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
+  .card-actions-sep { width: 1px; height: 14px; background: rgba(116,88,184,0.15); flex-shrink: 0; margin: 0 1px; }
   .complete-checkbox {
     appearance: none; width: 18px; height: 18px;
     border: 2px solid rgba(116,88,184,0.22);
@@ -538,7 +552,8 @@
   }
   .btn-edit, .btn-delete {
     background: transparent; border: none;
-    color: rgba(116,88,184,0.26); padding: 4px; border-radius: 4px;
+    color: rgba(116,88,184,0.26); padding: 6px; border-radius: 6px;
+    width: 30px; height: 30px;
     display: inline-flex; align-items: center; justify-content: center;
     transition: background var(--transition), color var(--transition);
   }
@@ -550,19 +565,19 @@
     padding: 8px var(--space-3);
     background: rgba(224,80,96,0.07);
     border-top: 1px solid rgba(224,80,96,0.18);
-    font-size: 13px; color: var(--color-overdue);
+    font-size: calc(13px * var(--font-scale)); color: var(--color-overdue);
   }
   .delete-confirm.visible { display: flex; }
   .delete-confirm-text { flex: 1; }
   .btn-delete-confirm {
     background: var(--color-overdue); color: #fff; border: none;
-    border-radius: var(--radius-btn); padding: 3px 10px; font-size: 12px;
+    border-radius: var(--radius-btn); padding: 3px 10px; font-size: calc(12px * var(--font-scale));
     transition: background var(--transition);
   }
   .btn-delete-confirm:hover { background: #c03040; }
   .btn-delete-cancel {
     background: transparent; border: 1px solid var(--color-overdue); color: var(--color-overdue);
-    border-radius: var(--radius-btn); padding: 3px 10px; font-size: 12px;
+    border-radius: var(--radius-btn); padding: 3px 10px; font-size: calc(12px * var(--font-scale));
     transition: background var(--transition);
   }
   .btn-delete-cancel:hover { background: rgba(224,80,96,0.08); }
@@ -581,12 +596,12 @@
     padding-top: var(--space-1);
     border-top: 1px solid rgba(116,88,184,0.12);
   }
-  .detail-item { font-size: 12px; color: var(--color-text-muted); }
+  .detail-item { font-size: calc(12px * var(--font-scale)); color: var(--color-text-muted); }
   .detail-item strong { color: var(--color-primary); font-weight: 500; }
 
   .detail-link {
     display: inline-flex; align-items: center; gap: 3px;
-    font-size: 12px; color: var(--color-primary);
+    font-size: calc(12px * var(--font-scale)); color: var(--color-primary);
     text-decoration: none;
     border-bottom: 1px solid rgba(116,88,184,0.22);
     padding-bottom: 1px;
@@ -623,12 +638,12 @@
     justify-content: center; padding: 80px var(--space-6); text-align: center;
   }
   .empty-kanji {
-    font-family: var(--font-mincho); font-size: 80px;
+    font-family: var(--font-mincho); font-size: calc(80px * var(--font-scale));
     color: rgba(255,255,255,0.09); line-height: 1;
     margin-bottom: var(--space-4); letter-spacing: -0.02em;
     text-shadow: 0 0 40px rgba(200,160,240,0.08);
   }
-  .empty-text { font-size: 16px; color: rgba(235,224,255,0.50); margin-bottom: var(--space-5); }
+  .empty-text { font-size: calc(16px * var(--font-scale)); color: rgba(235,224,255,0.50); margin-bottom: var(--space-5); }
 
   /* ============================================================
      モーダル
@@ -772,6 +787,147 @@
   }
   #app-footer p { font-size: 12px; color: rgba(235,224,255,0.32); letter-spacing: 0.06em; }
 
+  /* ============================================================
+     文字サイズスライダー
+     ============================================================ */
+  .font-size-control {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    padding: 0 var(--space-3);
+    border-left:  1px solid rgba(255,255,255,0.10);
+    border-right: 1px solid rgba(255,255,255,0.10);
+    height: 30px;
+    flex-shrink: 0;
+  }
+  .font-a {
+    color: rgba(235,224,255,0.42);
+    font-family: var(--font-mincho);
+    user-select: none;
+    line-height: 1;
+    transition: color var(--transition);
+  }
+  .font-a-sm { font-size: 11px; }
+  .font-a-lg { font-size: 18px; }
+  .font-size-control:hover .font-a { color: rgba(235,224,255,0.65); }
+
+  #font-size-slider {
+    -webkit-appearance: none;
+    appearance: none;
+    width: 76px;
+    height: 3px;
+    background: rgba(255,255,255,0.16);
+    border-radius: 2px;
+    outline: none;
+    cursor: pointer;
+  }
+  #font-size-slider::-webkit-slider-thumb {
+    -webkit-appearance: none;
+    width: 13px; height: 13px;
+    border-radius: 50%;
+    background: rgba(210,188,255,0.82);
+    border: 2px solid rgba(116,88,184,0.52);
+    cursor: pointer;
+    transition: background 0.15s ease, transform 0.15s ease, border-color 0.15s ease;
+  }
+  #font-size-slider::-webkit-slider-thumb:hover {
+    background: #fff;
+    border-color: rgba(116,88,184,0.80);
+    transform: scale(1.2);
+  }
+  #font-size-slider::-moz-range-thumb {
+    width: 13px; height: 13px;
+    border-radius: 50%;
+    background: rgba(210,188,255,0.82);
+    border: 2px solid rgba(116,88,184,0.52);
+    cursor: pointer;
+  }
+
+  /* ============================================================
+     検索
+     ============================================================ */
+  .header-search {
+    position: relative; display: flex; align-items: center;
+  }
+  #task-search {
+    background: rgba(255,255,255,0.09);
+    border: 1px solid rgba(255,255,255,0.16);
+    border-radius: var(--radius-btn);
+    padding: 6px 28px 6px 30px;
+    font-size: 13px; color: var(--color-text-light);
+    outline: none; width: clamp(100px, 15vw, 230px);
+    transition: background var(--transition), border-color var(--transition), width 0.22s ease;
+  }
+  #task-search::placeholder { color: var(--color-text-dim); }
+  #task-search:focus { background: rgba(255,255,255,0.14); border-color: rgba(255,255,255,0.32); width: clamp(130px, 19vw, 270px); }
+  .search-icon { position: absolute; left: 9px; color: var(--color-text-dim); pointer-events: none; display: flex; align-items: center; }
+  #btn-search-clear {
+    position: absolute; right: 6px;
+    background: none; border: none; color: rgba(235,224,255,0.35);
+    padding: 3px; border-radius: 4px; cursor: pointer;
+    display: none; align-items: center; justify-content: center;
+    transition: color var(--transition);
+  }
+  #btn-search-clear.visible { display: flex; }
+  #btn-search-clear:hover { color: var(--color-text-light); }
+
+  /* ============================================================
+     メモ
+     ============================================================ */
+  .form-group textarea {
+    border: 1px solid rgba(116,88,184,0.20);
+    border-radius: var(--radius-btn);
+    padding: 8px var(--space-3);
+    font-size: 14px; color: var(--color-text-card);
+    background: rgba(255,255,255,0.82);
+    outline: none; resize: vertical;
+    min-height: 58px; max-height: 110px;
+    line-height: 1.55;
+    transition: border-color var(--transition), box-shadow var(--transition);
+  }
+  .form-group textarea:focus {
+    border-color: var(--color-primary);
+    box-shadow: 0 0 0 3px rgba(116,88,184,0.14);
+  }
+  .memo-counter {
+    align-self: flex-end; font-size: 11px;
+    color: var(--color-text-muted); margin-top: -10px;
+    transition: color var(--transition);
+  }
+  .memo-counter.warn { color: var(--color-accent); }
+  .memo-dot {
+    display: inline-flex; align-items: center;
+    color: rgba(196,84,122,0.38); flex-shrink: 0;
+    vertical-align: middle; margin-left: 4px;
+    transition: color var(--transition);
+  }
+  .card-title-area:hover .memo-dot { color: rgba(196,84,122,0.72); }
+  #memo-tooltip {
+    position: fixed; z-index: 150;
+    background: rgba(16,10,44,0.97);
+    color: rgba(235,224,255,0.90);
+    border: 1px solid rgba(255,255,255,0.13);
+    border-radius: 10px;
+    padding: 9px 13px 10px;
+    font-size: 13px;
+    max-width: 300px; min-width: 120px;
+    line-height: 1.65;
+    pointer-events: none;
+    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
+    box-shadow: 0 6px 24px rgba(0,0,0,0.48), 0 0 0 1px rgba(196,84,122,0.10);
+    opacity: 0; transform: translateY(6px);
+    transition: opacity 0.18s ease, transform 0.18s ease;
+    white-space: pre-wrap; word-break: break-word;
+  }
+  #memo-tooltip.visible { opacity: 1; transform: translateY(0); }
+  #memo-tooltip.from-right { transform: translateX(-8px); }
+  #memo-tooltip.from-right.visible { transform: translateX(0); }
+  .memo-tooltip-label {
+    font-size: 10px; color: rgba(196,84,122,0.68);
+    letter-spacing: 0.10em; margin-bottom: 5px;
+    font-family: var(--font-mincho);
+  }
+
   @keyframes cardEnter { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
   .card-enter { animation: cardEnter 0.22s ease forwards; }
   @keyframes shake {
@@ -831,6 +987,16 @@
       <button id="btn-add-task" class="btn-primary">
         <span class="btn-icon">＋</span> タスクを追加
       </button>
+      <div class="header-search">
+        <span class="search-icon"><svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg></span>
+        <input type="text" id="task-search" placeholder="タスクを検索..." autocomplete="off">
+        <button id="btn-search-clear" title="検索をクリア"><svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/></svg></button>
+      </div>
+      <div class="font-size-control" title="文字サイズを調整">
+        <span class="font-a font-a-sm">A</span>
+        <input type="range" id="font-size-slider" min="0.75" max="1.45" step="0.05" value="1">
+        <span class="font-a font-a-lg">A</span>
+      </div>
       <button id="btn-export" class="btn-icon-only" title="JSONでエクスポート">
         <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/></svg>
         <span class="btn-label">エクスポート</span>
@@ -920,6 +1086,11 @@
           <label for="input-url">URL <span class="optional">（任意）</span></label>
           <input type="url" id="input-url" placeholder="https://example.com">
         </div>
+        <div class="form-group">
+          <label for="input-memo">メモ <span class="optional">（任意・100文字以内）</span></label>
+          <textarea id="input-memo" placeholder="タスクに関するメモを入力..." maxlength="100" rows="2"></textarea>
+          <span class="memo-counter" id="memo-counter">0/100</span>
+        </div>
         <div class="modal-footer">
           <button type="button" class="btn-ghost" id="btn-cancel">キャンセル</button>
           <button type="submit" class="btn-primary">保 存</button>
@@ -1127,7 +1298,7 @@
     }
     function initPetals() { petals = Array.from({ length: PETAL_COUNT }, () => makePetal(true)); }
     function drawMoon() {
-      const mx = W - 130, my = 86, mr = 34;
+      const mx = W - 130, my = 140, mr = 34;
       const glow = ctx.createRadialGradient(mx, my, mr*0.4, mx, my, mr*2.8);
       glow.addColorStop(0, 'rgba(255,240,140,0.13)');
       glow.addColorStop(1, 'rgba(255,240,140,0)');
@@ -1197,6 +1368,8 @@
   let expandedCardId = null;
   let pendingDeleteId   = null;
   let pendingImportData = null;
+  let searchQuery    = '';
+  let memoTooltipEl  = null;
 
   const STORAGE_KEY_TASKS = 'taskManager_tasks';
   const STORAGE_KEY_UI    = 'taskManager_ui';
@@ -1216,6 +1389,7 @@
       priority: formData.priority, registeredAt: new Date().toISOString(),
       dueDate: formData.dueDate || null, requester: formData.requester.trim(),
       url: formData.url ? formData.url.trim() : '',
+      memo: formData.memo ? formData.memo.trim() : '',
       completed: false, completedAt: null, order: 0,
     };
     tasks.unshift(newTask);
@@ -1227,7 +1401,8 @@
     if (!task) return;
     task.title = formData.title.trim(); task.priority = formData.priority;
     task.dueDate = formData.dueDate || null; task.requester = formData.requester.trim();
-    task.url = formData.url ? formData.url.trim() : '';
+    task.url  = formData.url  ? formData.url.trim()  : '';
+    task.memo = formData.memo ? formData.memo.trim() : '';
     saveTasks();
   }
   function deleteTask(id) { tasks = tasks.filter(t => t.id !== id); reassignOrders(); saveTasks(); }
@@ -1242,15 +1417,25 @@
 
   /* --- SORTING / FILTERING --- */
   function getFilteredSortedTasks() {
+    const q = searchQuery.trim().toLowerCase();
     let filtered = tasks.filter(t => {
       if (uiState.filterPriority !== 'all' && t.priority !== uiState.filterPriority) return false;
       if (uiState.filterRequester && t.requester !== uiState.filterRequester) return false;
+      if (q) {
+        const inTitle = t.title.toLowerCase().includes(q);
+        const inReq   = t.requester ? t.requester.toLowerCase().includes(q) : false;
+        const inMemo  = t.memo      ? t.memo.toLowerCase().includes(q)      : false;
+        if (!inTitle && !inReq && !inMemo) return false;
+      }
       return true;
     });
     const sortFn = uiState.sortMode === 'dueDate'
       ? (a, b) => { if (!a.dueDate && !b.dueDate) return a.order - b.order; if (!a.dueDate) return 1; if (!b.dueDate) return -1; return a.dueDate.localeCompare(b.dueDate); }
       : (a, b) => a.order - b.order;
-    return [filtered.filter(t => !t.completed).sort(sortFn), filtered.filter(t => t.completed).sort(sortFn)];
+    const hideCompleted = q ? false : uiState.hideCompleted;
+    const incomplete = filtered.filter(t => !t.completed).sort(sortFn);
+    const completed  = hideCompleted ? [] : filtered.filter(t => t.completed).sort(sortFn);
+    return [incomplete, completed];
   }
 
   /* --- DATE UTILS --- */
@@ -1275,9 +1460,8 @@
     const emptyState = document.getElementById('empty-state');
     list.innerHTML = '';
     const [incomplete, completed] = getFilteredSortedTasks();
-    const showCompleted = !uiState.hideCompleted;
     incomplete.forEach(task => list.appendChild(renderCard(task)));
-    if (showCompleted && completed.length > 0) {
+    if (completed.length > 0) {
       const sep = document.createElement('li');
       sep.className = 'completed-separator';
       sep.setAttribute('role', 'separator');
@@ -1285,7 +1469,7 @@
       list.appendChild(sep);
       completed.forEach(task => list.appendChild(renderCard(task)));
     }
-    emptyState.hidden = incomplete.length + (showCompleted ? completed.length : 0) > 0;
+    emptyState.hidden = incomplete.length + completed.length > 0;
     if (uiState.sortMode === 'manual') initDragAndDrop();
     rebuildRequesterOptions();
     syncFilterBarUI();
@@ -1313,6 +1497,9 @@
     const urlDetail = task.url
       ? `<span class="detail-item"><strong>リンク</strong> <a class="detail-link" href="${escHtml(task.url)}" target="_blank" rel="noopener noreferrer">${linkIconSvg}${escHtml(task.url.replace(/^https?:\/\//, ''))}</a></span>`
       : '';
+    const memoIconHtml = task.memo
+      ? `<svg class="memo-dot" xmlns="http://www.w3.org/2000/svg" width="11" height="11" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" title="メモあり"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/></svg>`
+      : '';
 
     const detailItems = [
       task.requester ? `<span class="detail-item"><strong>依頼者</strong> ${escHtml(task.requester)}</span>` : '',
@@ -1327,17 +1514,18 @@
         <span class="drag-handle" title="ドラッグして並べ替え">⠿</span>
         <span class="priority-badge badge-${task.priority}">${priorityLabel}</span>
         <div class="card-title-area" title="${escHtml(task.title)}">
-          <span class="card-title">${escHtml(task.title)}</span>
+          <span class="card-title">${escHtml(task.title)}</span>${memoIconHtml}
         </div>
         ${requesterHtml}
         ${dueDateHtml}
         <div class="card-actions">
           <input type="checkbox" class="complete-checkbox" ${task.completed ? 'checked' : ''} title="${task.completed ? '完了を取り消す' : '完了にする'}">
+          <div class="card-actions-sep"></div>
           <button class="btn-edit" title="編集">
-            <svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7"/><path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z"/></svg>
+            <svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7"/><path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z"/></svg>
           </button>
           <button class="btn-delete" title="削除">
-            <svg xmlns="http://www.w3.org/2000/svg" width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/><path d="M10 11v6"/><path d="M14 11v6"/><path d="M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2"/></svg>
+            <svg xmlns="http://www.w3.org/2000/svg" width="15" height="15" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><polyline points="3 6 5 6 21 6"/><path d="M19 6l-1 14a2 2 0 0 1-2 2H8a2 2 0 0 1-2-2L5 6"/><path d="M10 11v6"/><path d="M14 11v6"/><path d="M9 6V4a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v2"/></svg>
           </button>
         </div>
       </div>
@@ -1372,6 +1560,11 @@
       li.addEventListener('dragend',  () => li.setAttribute('draggable', 'false'));
       li.addEventListener('mouseup',  () => li.setAttribute('draggable', 'false'));
     }
+    if (task.memo) {
+      const cardRow = li.querySelector('.card-row');
+      cardRow.addEventListener('mouseenter', () => showMemoTooltip(task.memo, li));
+      cardRow.addEventListener('mouseleave', hideMemoTooltip);
+    }
     return li;
   }
 
@@ -1479,6 +1672,8 @@
     document.getElementById('task-form').reset();
     document.querySelector('input[name="priority"][value="medium"]').checked = true;
     document.getElementById('input-url').value = '';
+    document.getElementById('input-memo').value = '';
+    updateMemoCounter(0);
     clearFormErrors();
     document.getElementById('task-modal').hidden = false;
     document.getElementById('input-title').focus();
@@ -1490,7 +1685,10 @@
     document.querySelector(`input[name="priority"][value="${task.priority}"]`).checked = true;
     document.getElementById('input-due-date').value  = task.dueDate || '';
     document.getElementById('input-requester').value = task.requester || '';
-    document.getElementById('input-url').value       = task.url || '';
+    document.getElementById('input-url').value       = task.url  || '';
+    const memoVal = task.memo || '';
+    document.getElementById('input-memo').value      = memoVal;
+    updateMemoCounter(memoVal.length);
     clearFormErrors();
     document.getElementById('task-modal').hidden = false;
     document.getElementById('input-title').focus();
@@ -1517,6 +1715,7 @@
       dueDate:   document.getElementById('input-due-date').value,
       requester: document.getElementById('input-requester').value,
       url:       document.getElementById('input-url').value,
+      memo:      document.getElementById('input-memo').value,
     };
     const editId = document.getElementById('edit-task-id').value;
     if (editId) { updateTask(editId, formData); showToast('タスクを更新しました'); }
@@ -1549,7 +1748,8 @@
 
   /* --- EXPORT / IMPORT --- */
   function exportTasks() {
-    const blob  = new Blob([JSON.stringify(tasks, null, 2)], { type: 'application/json' });
+    const data  = { version: '2', tasks, sidebar: sidebarItems };
+    const blob  = new Blob([JSON.stringify(data, null, 2)], { type: 'application/json' });
     const url   = URL.createObjectURL(blob);
     const today = new Date().toISOString().slice(0, 10).replace(/-/g, '');
     const a = document.createElement('a');
@@ -1574,19 +1774,97 @@
     e.target.value = '';
   }
   function validateImportData(data) {
-    if (!Array.isArray(data)) return null;
     const required = ['id', 'title', 'priority', 'registeredAt'];
-    const valid = data.filter(item => item && typeof item === 'object' && required.every(k => k in item));
-    return valid.length > 0 ? valid : null;
-  }
-  function applyImport(importedTasks, mode) {
-    if (mode === 'replace') { tasks = importedTasks; reassignOrders(); }
-    else {
+    if (Array.isArray(data)) {
+      const valid = data.filter(item => item && typeof item === 'object' && required.every(k => k in item));
+      return valid.length > 0 ? { tasks: valid, sidebar: [] } : null;
+    }
+    if (data && typeof data === 'object' && Array.isArray(data.tasks)) {
+      const validTasks = data.tasks.filter(item => item && typeof item === 'object' && required.every(k => k in item));
+      if (!validTasks.length) return null;
+      const validSidebar = Array.isArray(data.sidebar) ? data.sidebar.filter(i => i && i.id && i.text) : [];
+      return { tasks: validTasks, sidebar: validSidebar };
+    }
+    return null;
+  }
+  function applyImport(importData, mode) {
+    const { tasks: importedTasks, sidebar: importedSidebar } = importData;
+    if (mode === 'replace') {
+      tasks = importedTasks; reassignOrders();
+      sidebarItems = importedSidebar.map((item, i) => ({ ...item, order: i }));
+      saveSidebar();
+    } else {
       const maxOrder = tasks.length > 0 ? Math.max(...tasks.map(t => t.order)) : -1;
       importedTasks.forEach((t, i) => { t.order = maxOrder + 1 + i; tasks.push(t); });
+      if (importedSidebar.length) {
+        const maxSb = sidebarItems.length > 0 ? Math.max(...sidebarItems.map(i => i.order)) : -1;
+        importedSidebar.forEach((item, i) => { sidebarItems.push({ ...item, order: maxSb + 1 + i }); });
+        saveSidebar();
+      }
     }
-    saveTasks(); render();
-    showToast(`インポート完了（${importedTasks.length}件）`);
+    saveTasks(); render(); renderSidebar();
+    showToast(`インポート完了（タスク${importedTasks.length}件 / メモ${importedSidebar.length}件）`);
+  }
+
+  /* --- FONT SCALE --- */
+  const STORAGE_KEY_FONT_SCALE = 'taskManager_font_scale';
+
+  function applyFontScale(scale) {
+    document.documentElement.style.setProperty('--font-scale', scale);
+    localStorage.setItem(STORAGE_KEY_FONT_SCALE, scale);
+  }
+  function initFontScale() {
+    const saved = localStorage.getItem(STORAGE_KEY_FONT_SCALE);
+    const scale = saved ? parseFloat(saved) : 1.0;
+    applyFontScale(scale);
+    document.getElementById('font-size-slider').value = scale;
+  }
+
+  /* --- MEMO TOOLTIP --- */
+  function showMemoTooltip(text, cardEl) {
+    if (!memoTooltipEl) return;
+    document.getElementById('memo-tooltip-body').textContent = text;
+
+    // 一旦オフスクリーンで描画してサイズを取得
+    memoTooltipEl.classList.remove('visible', 'from-right');
+    memoTooltipEl.style.left = '-9999px';
+    memoTooltipEl.style.top  = '0px';
+    const tooltipW = memoTooltipEl.offsetWidth;
+    const tooltipH = memoTooltipEl.offsetHeight;
+
+    const rect = cardEl.getBoundingClientRect();
+    const MARGIN = 12;
+    let finalLeft, finalTop, fromRight = false;
+
+    if (window.innerWidth - rect.right - MARGIN >= tooltipW + MARGIN) {
+      // 右側に十分スペースあり → 右表示（カード中央の高さに揃える）
+      fromRight = true;
+      finalLeft = rect.right + MARGIN;
+      finalTop  = Math.max(8, Math.min(
+        rect.top + (rect.height / 2) - (tooltipH / 2),
+        window.innerHeight - tooltipH - 8
+      ));
+    } else {
+      // スペース不足 → 下側表示
+      finalLeft = Math.max(8, Math.min(rect.left, window.innerWidth - tooltipW - 8));
+      finalTop  = rect.bottom + 6;
+      if (finalTop + tooltipH > window.innerHeight - 8) finalTop = rect.top - tooltipH - 6;
+      finalTop  = Math.max(8, finalTop);
+    }
+
+    memoTooltipEl.style.left = finalLeft + 'px';
+    memoTooltipEl.style.top  = finalTop + 'px';
+    if (fromRight) memoTooltipEl.classList.add('from-right');
+    memoTooltipEl.classList.add('visible');
+  }
+  function hideMemoTooltip() {
+    if (memoTooltipEl) memoTooltipEl.classList.remove('visible', 'from-right');
+  }
+  function updateMemoCounter(len) {
+    const counter = document.getElementById('memo-counter');
+    if (!counter) return;
+    counter.textContent = `${len}/100`;
+    counter.classList.toggle('warn', len >= 90);
   }
 
   /* --- TOAST --- */
@@ -1796,6 +2074,34 @@
 
     document.getElementById('footer-year').textContent = new Date().getFullYear();
 
+    /* 文字サイズ */
+    initFontScale();
+    document.getElementById('font-size-slider').addEventListener('input', e => {
+      applyFontScale(parseFloat(e.target.value));
+    });
+
+    /* メモツールチップ */
+    memoTooltipEl = document.createElement('div');
+    memoTooltipEl.id = 'memo-tooltip';
+    memoTooltipEl.innerHTML = '<div class="memo-tooltip-label">メモ</div><div id="memo-tooltip-body"></div>';
+    document.body.appendChild(memoTooltipEl);
+    document.getElementById('input-memo').addEventListener('input', e => updateMemoCounter(e.target.value.length));
+
+    /* 検索 */
+    const searchInput   = document.getElementById('task-search');
+    const searchClearBtn = document.getElementById('btn-search-clear');
+    searchInput.addEventListener('input', e => {
+      searchQuery = e.target.value;
+      searchClearBtn.classList.toggle('visible', searchQuery.length > 0);
+      render();
+    });
+    searchClearBtn.addEventListener('click', () => {
+      searchQuery = '';
+      searchInput.value = '';
+      searchClearBtn.classList.remove('visible');
+      render();
+    });
+
     /* サイドバー */
     renderSidebar();
     document.getElementById('btn-sidebar-toggle').addEventListener('click', toggleSidebar);