:root{--bg:#fff;--bg-sub:#f3f4f6;--fg:#111827;--fg-sub:#6b7280;--border:#e5e7eb;--primary:#2563eb;--primary-fg:#fff;--selected:#dbeafe;--danger:#dc2626;--warning:#d97706;--tag-bg:#eef2ff;--tag-fg:#3730a3;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-family:system-ui,-apple-system,Hiragino Sans,Noto Sans JP,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#111827;--bg-sub:#1f2937;--fg:#f9fafb;--fg-sub:#9ca3af;--border:#374151;--primary:#3b82f6;--selected:#1e3a8a;--danger:#f87171;--warning:#fbbf24;--tag-bg:#312e81;--tag-fg:#e0e7ff}}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0;font-size:15px;line-height:1.5}button,input,select,textarea{font:inherit;color:inherit}input,select,textarea{border:1px solid var(--border);background:var(--bg);border-radius:6px;min-width:0;padding:6px 8px}button{border:1px solid var(--border);background:var(--bg-sub);cursor:pointer;border-radius:6px;padding:6px 12px}button.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-fg)}button.danger{color:var(--danger)}.header{border-bottom:1px solid var(--border);background:var(--bg);z-index:1;align-items:center;gap:16px;padding:8px 16px;display:flex;position:sticky;top:0}.logo{white-space:nowrap;font-weight:700}.header nav{gap:12px;display:flex}.header nav a{color:var(--fg-sub);white-space:nowrap;text-decoration:none}.header nav a[aria-current=page]{color:var(--primary);font-weight:700}.email{color:var(--fg-sub);text-overflow:ellipsis;white-space:nowrap;margin-left:auto;font-size:13px;overflow:hidden}.logout{color:var(--fg-sub);white-space:nowrap;font-size:13px}.help-button{border-radius:50%;width:28px;height:28px;padding:0}main{max-width:800px;margin:0 auto;padding:12px 16px 80px}.toolbar{flex-direction:column;gap:8px;margin-bottom:12px;display:flex}.quick-add{gap:8px;display:flex}.quick-add input{flex:1}.filters{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.checkbox{color:var(--fg-sub);align-items:center;gap:4px;display:flex}.group-label{color:var(--fg-sub);border-bottom:1px solid var(--border);margin:16px 0 4px;padding-bottom:2px;font-size:13px}.group-label.past{color:var(--danger)}.todo-list ul{margin:0;padding:0;list-style:none}.todo-item{border-radius:6px;flex-wrap:wrap;align-items:center;gap:4px 8px;padding:6px 8px;display:flex}.todo-item.selected{background:var(--selected)}.todo-item input[type=checkbox]{width:18px;height:18px}.todo-title{text-align:left;overflow-wrap:anywhere;background:0 0;border:none;flex:1;min-width:0;padding:2px 0}.todo-item.done .todo-title{color:var(--fg-sub);text-decoration:line-through}.todo-meta{flex-wrap:wrap;gap:4px;font-size:12px;display:flex}.tag{background:var(--tag-bg);color:var(--tag-fg);border-radius:999px;padding:0 8px}.due{color:var(--fg-sub)}.due-overdue{color:var(--danger);font-weight:700}.due-soon{color:var(--warning);font-weight:700}.empty,.hint{color:var(--fg-sub);font-size:13px}.error{color:var(--danger);align-items:center;gap:8px;margin:4px 0;font-size:13px;display:flex}.modal-backdrop{z-index:10;background:#0006;justify-content:center;align-items:flex-start;padding:48px 12px;display:flex;position:fixed;inset:0;overflow-y:auto}.modal{background:var(--bg);border-radius:10px;width:100%;max-width:520px;padding:16px}.modal-title{margin:0 0 12px;font-size:17px}.modal-actions{justify-content:flex-end;gap:8px;margin-top:12px;display:flex}.editor{flex-direction:column;gap:12px;display:flex}.field{color:var(--fg-sub);flex-direction:column;gap:4px;font-size:13px;display:flex}.field label{flex-direction:column;gap:4px;display:flex}.field input,.field textarea{color:var(--fg);font-size:15px}.date-buttons{flex-wrap:wrap;gap:4px;display:flex}.date-buttons button{padding:2px 8px;font-size:13px}.help-list{margin:0}.help-list div{gap:12px;padding:4px 0;display:flex}.help-list dt{min-width:160px}.help-list dd{margin:0}kbd{background:var(--bg-sub);border:1px solid var(--border);border-radius:4px;padding:0 6px;font-size:13px}.tokens{border-collapse:collapse;width:100%;margin-top:16px;font-size:13px}.tokens th,.tokens td{text-align:left;border-bottom:1px solid var(--border);padding:6px 4px}.issued-token{border:1px solid var(--primary);border-radius:8px;margin-top:12px;padding:12px}.issued-token code{word-break:break-all;background:var(--bg-sub);border-radius:6px;padding:8px;display:block}@media (width<=600px){body{font-size:16px}.todo-item{padding:10px 4px}.header{gap:12px}.email{display:none}.help-button{margin-left:auto}.tokens th:nth-child(2),.tokens td:nth-child(2){display:none}}