:root{--accent: #f0813e;--accent-dark: #d96a29;--accent-soft: #fdf1e8;--bg: #f4f5f7;--surface: #ffffff;--rail: #3b4653;--rail-hover: #4c5867;--sidebar: #ffffff;--border: #e2e5ea;--border-strong: #cbd2db;--text: #1f2833;--text-muted: #6b7684;--text-faint: #98a2b1;--danger: #e5484d;--success: #12a150;--unread: #e5484d;--tip-bg: #2b3440;--mono: ui-monospace, SFMono-Regular, Menlo, monospace;--radius: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgb(15 23 42 / 8%);--shadow-md: 0 8px 24px rgb(15 23 42 / 12%);--rail-w: 60px;--topbar-h: 48px;--list-w: 300px;--panel-w: 300px;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;overflow:hidden;background:var(--bg);color:var(--text);font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Meiryo,system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;cursor:pointer}input,textarea,select{font:inherit;color:inherit}.btn{border:1px solid 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var(--border)}.gantt-month{flex:none;font-size:11px;font-weight:700;color:var(--text-muted);padding-left:8px;border-right:1px solid var(--border);display:flex;align-items:center;position:sticky;left:0}.gantt-days{display:flex;height:24px;background:#f7f8fa;border-bottom:1px solid var(--border)}.gantt-day{flex:none;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:9px;line-height:1.1;color:var(--text-faint);border-right:1px solid var(--border)}.gantt-day.weekend{background:#eef0f3}.gantt-day.today{background:var(--accent-soft);color:var(--accent-dark);font-weight:700}.gantt-day-num{font-size:11px}.gantt-grid{position:relative;display:flex;min-height:100%}.gantt-col{flex:none;border-right:1px solid var(--border)}.gantt-col.weekend{background:#f7f8fa}.gantt-col.today{background:var(--accent-soft)}.gantt-arrows{position:absolute;top:0;left:0;pointer-events:none;z-index:1}.gantt-arrow{fill:none;stroke:var(--text-faint);stroke-width:1.5}.gantt-rows{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2}.gantt-row-section{border-bottom:1px solid var(--border);background:#f7f8fab3;pointer-events:none}.gantt-row{position:relative;border-bottom:1px solid var(--border);pointer-events:none}.gantt-row>*{pointer-events:auto}.gantt-row-section{pointer-events:none}.gantt-bar{position:absolute;top:5px;height:24px;display:flex;align-items:center;background:var(--accent);color:#fff;border-radius:5px;font-size:11px;cursor:grab;box-shadow:var(--shadow-sm);-webkit-user-select:none;user-select:none;touch-action:none}.gantt-bar.dragging{cursor:grabbing;opacity:.85;box-shadow:var(--shadow-md)}.gantt-bar.done{background:var(--success);opacity:.6}.gantt-bar-label{flex:1;min-width:0;padding:0 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var(--surface)}.msg-highlight{border-radius:var(--radius);animation:flash-highlight 3s ease-out}@keyframes flash-highlight{0%,55%{background:#fff2d6;box-shadow:0 0 0 3px #fff2d6}to{background:transparent;box-shadow:none}}.jump-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 18px;background:var(--accent-soft);border-bottom:1px solid var(--border);font-size:12px;color:#8a5327}.search-screen{grid-column:3 / -1;background:var(--bg);overflow-y:auto;padding:22px 26px}.search-screen h1{margin:0 0 16px;font-size:18px}.search-controls{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}.search-input{width:100%;max-width:620px;border:1px solid var(--border-strong);border-radius:var(--radius);padding:10px 13px;background:var(--surface);outline:none}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #f0813e26}.search-scope{display:flex;gap:6px}.search-scope button{border:1px solid 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var(--border);margin-bottom:10px}.task-group-name{margin:0;font-size:14px;font-weight:700;display:flex;align-items:center;gap:7px}.task-group-sub{margin:1px 0 0;font-size:11px;color:var(--text-faint)}.task-group-count{margin-left:auto;font-size:12px;color:var(--text-muted);white-space:nowrap}.tasks-screen .task{background:var(--surface);max-width:780px}.task-group .task{max-width:none}.task-group-title{font-size:13px;font-weight:700;color:var(--text-muted);margin:18px 0 8px}@media(max-width:1100px){.app{grid-template-columns:var(--rail-w) var(--list-w) minmax(0,1fr)}.panel,.panel-toggle{display:none}}.room-list-head-actions{display:flex;align-items:center;gap:6px}.room-list-icon-btn{border:0;background:none;color:var(--text-faint);font-size:14px;line-height:1;padding:4px 6px;border-radius:var(--radius);cursor:pointer}.room-list-icon-btn:hover{background:var(--bg);color:var(--text-muted)}.modal.delete-room{max-width:440px}.delete-lead{margin:0 0 12px}.delete-facts{margin:0 0 12px;padding:10px 14px 10px 30px;background:var(--bg);border-radius:var(--radius);color:var(--text-muted)}.delete-facts strong{color:var(--text)}.delete-rule{margin:0 0 14px;font-size:13px;color:var(--text-muted)}.delete-backup{border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;margin-bottom:14px;display:flex;flex-direction:column;align-items:flex-start;gap:8px}.delete-backup-head{font-weight:600;display:flex;align-items:center;gap:8px}.delete-done{font-weight:400;font-size:12px;color:var(--success)}.delete-check{display:flex;align-items:center;gap:6px;font-size:13px}.delete-hint{margin:0;font-size:12px;color:var(--text-faint)}.modal.archived-rooms{max-width:660px}.archived-list{display:flex;flex-direction:column;gap:8px;margin:12px 0 4px}.archived-item{display:flex;gap:12px;align-items:flex-start;justify-content:space-between;border:1px solid var(--border);border-radius:var(--radius);padding:10px 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var(--border);background:var(--surface);border-radius:var(--radius);font:inherit;font-size:12px;color:var(--text-muted);padding:4px 6px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:4px;white-space:nowrap}.room-filter button:hover{background:var(--bg)}.room-filter button.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-dark);font-weight:700}.room-filter-count{background:var(--unread);color:#fff;border-radius:999px;font-size:10px;font-weight:700;min-width:15px;height:15px;padding:0 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.board-link-delete,.board-link-delete:focus-visible{opacity:1}.board-link-delete:hover{color:var(--danger)}.panel-section-title{display:flex;align-items:center;gap:6px}.panel-section-edit{border:0;background:none;color:var(--text-faint);font-size:11px;line-height:1;padding:2px 4px;border-radius:var(--radius);cursor:pointer;opacity:0}.panel-section-title:hover .panel-section-edit,.panel-section-edit:focus-visible{opacity:1}.panel-section-edit:hover{background:var(--bg);color:var(--text)}.panel-overview{margin-top:0;font-size:13px;color:var(--text-muted)}.api-rooms{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}.api-room{display:grid;grid-template-columns:minmax(120px,1fr) auto auto;gap:12px;align-items:center;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);padding:8px 12px;font:inherit;text-align:left;cursor:pointer}.api-room:hover{border-color:var(--accent);background:var(--accent-soft)}.api-room-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.api-room-id{font-size:12px;color:var(--text-muted);background:var(--bg);padding:2px 6px;border-radius:4px;white-space:nowrap}.api-room-copy{font-size:11px;color:var(--text-faint);white-space:nowrap;min-width:74px;text-align:right}.api-room:hover .api-room-copy{color:var(--accent-dark)}.mention-all-icon{width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;flex:none}.mention-all-hint{display:block;font-size:11px;color:var(--text-faint)}.room-id-copy{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);padding:7px 10px;font:inherit;cursor:pointer}.room-id-copy:hover{border-color:var(--accent)}.room-id-copy code{font-size:12px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis}.room-id-copy span{font-size:11px;color:var(--text-faint);white-space:nowrap}.room-id-copy:hover span{color:var(--accent-dark)}.admin-actions{display:flex;gap:6px;justify-content:flex-end}.admin-reset-link{border:1px solid var(--accent);background:var(--accent-soft);border-radius:var(--radius);padding:12px 14px;margin-bottom:14px}.admin-reset-link .panel-section-title{margin-top:0}.admin-actions .btn{white-space:nowrap}.admin-icon-btn{padding:4px 8px;line-height:1.4;flex:none}.avatar-image{object-fit:cover;display:block}.avatar-edit{display:flex;align-items:flex-start;gap:14px}.avatar-edit-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.avatar-edit-actions 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var(--accent);background:var(--accent-soft);border-radius:var(--radius);padding:12px 14px;margin-bottom:18px}.plan-summary{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px 14px;margin:10px 0 12px}.plan-summary-head{font-size:12px;font-weight:700;color:var(--text-muted);margin-bottom:6px}.plan-summary ul{margin:0 0 8px;padding-left:20px;font-size:13px}.plan-summary li{margin:2px 0}.msg-quoted{margin:4px 0;padding:4px 0 4px 10px;border-left:3px solid var(--border-strong);color:var(--text-muted);font-size:13px}.msg-quoted .msg-quoted{margin-left:2px}.msg-quoted .msg-body{display:contents}.msg-link-chip{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--border-strong);background:var(--bg);border-radius:999px;padding:1px 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var(--border);border-radius:4px;padding:1px 5px}.msg-code{margin:4px 0;padding:8px 10px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);font-family:var(--mono);font-size:12px;overflow-x:auto;white-space:pre}.msg-list{margin:4px 0;padding-left:22px}.msg-list li{margin:1px 0}.msg-body strong{font-weight:700}.msg-body em{font-style:italic}[data-tip]{position:relative}[data-tip]:after,[data-tip]:before{opacity:0;visibility:hidden;pointer-events:none;transition:opacity .12s ease}[data-tip]:after{content:attr(data-tip);position:absolute;top:calc(100% + 7px);left:50%;transform:translate(-50%);z-index:40;background:var(--tip-bg);color:#fff;border-radius:6px;padding:5px 9px;font-size:11px;font-weight:400;font-style:normal;text-decoration:none;line-height:1.4;white-space:nowrap;box-shadow:var(--shadow-md)}[data-tip]:before{content:"";position:absolute;top:calc(100% + 2px);left:50%;transform:translate(-50%);z-index:41;border:5px solid transparent;border-bottom-color:var(--tip-bg);border-top-width:0}[data-tip]:hover:after,[data-tip]:hover:before,[data-tip]:focus-visible:after,[data-tip]:focus-visible:before{opacity:1;visibility:visible;transition-delay:.35s}.format-toolbar [data-tip]:after{left:0;transform:none}.msg-actions [data-tip]:after{top:50%;left:auto;right:calc(100% + 7px);transform:translateY(-50%)}.msg-actions [data-tip]:before{top:50%;left:auto;right:calc(100% + 2px);transform:translateY(-50%);border-width:5px;border-right-width:0;border-bottom-color:transparent;border-left-color:var(--tip-bg)}.reaction[data-tip]:after{top:auto;bottom:calc(100% + 7px)}.reaction[data-tip]:before{top:auto;bottom:calc(100% + 2px);border-bottom-width:0;border-bottom-color:transparent;border-top-width:5px;border-top-color:var(--tip-bg)}.reaction[data-tip]:after{white-space:normal;width:max-content;max-width:200px;text-align:center}.search-hit-row{display:flex;align-items:stretch;gap:4px}.search-hit-row 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