:root{--bg:#f4f7f6;--surface:#fff;--ink:#1a2b2e;--muted:#5c6f73;--accent:#0f766e;--accent-hover:#0d9488;--danger:#b91c1c;--danger-hover:#991b1b;--border:#d5e0e2;--focus-ring:#0f766e;--banner-info-bg:#eef6f5;--banner-info-ink:#1a2b2e;--badge-gc-bg:#e8f0ef;--badge-gc-ink:#0f766e;--gantt-dep:#5c6f73;--font:"IBM Plex Sans", "Noto Sans JP", sans-serif}*,:before,:after{box-sizing:border-box}html,body,#root{height:100%;min-height:100%;margin:0}body{font-family:var(--font);color:var(--ink);background:var(--bg);font-size:14px;line-height:1.45}button,input,select,textarea{font:inherit}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.app-shell{flex-direction:column;height:100%;min-height:0;display:flex}.app-header{background:var(--surface);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:16px;padding:12px 20px;display:flex}.brand{color:var(--accent);margin:0;font-size:20px;font-weight:600}.app-body{flex:1;min-height:0;display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-shrink:0;width:260px;padding:16px;overflow:auto}.sidebar-section{border-top:1px solid var(--border);margin-top:16px;padding-top:12px}.sidebar-section-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.cal-name{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.cal-name-btn{appearance:none;text-align:left;font:inherit;color:inherit;cursor:pointer;background:0 0;border:0;margin:0;padding:0}.cal-name-btn:hover,.cal-name-btn:focus-visible{outline:none;text-decoration:underline}.cal-row-actions{flex-shrink:0}.api-panel-hint{margin:8px 0 0;font-size:12px;line-height:1.45}.api-status-badge{letter-spacing:.02em;border:1px solid var(--border);background:var(--bg);color:var(--muted);border-radius:999px;flex-shrink:0;padding:2px 8px;font-size:11px;font-weight:600}.api-status-badge--linked{background:var(--banner-info-bg);border-color:color-mix(in srgb, var(--accent) 35%, var(--border));color:var(--accent)}.api-status-badge--unlinked,.api-status-badge--unreachable{color:var(--danger);background:#fef2f2;border-color:#fecaca}.api-status-badge--loading,.api-status-badge--muted,.api-status-badge--disabled{background:var(--bg);color:var(--muted)}.api-step{border-top:1px solid var(--border);margin-top:14px;padding-top:12px}.api-step-title{margin:0 0 4px;font-size:13px;font-weight:600}.api-step-body{margin:0 0 10px;font-size:12px}.api-step-done{color:var(--accent);margin:0;font-size:12px;font-weight:600}.api-pat-name-field{margin-bottom:8px}.api-pat-name-field input{border:1px solid var(--border);background:var(--surface);border-radius:6px;width:100%;padding:8px 10px}.btn-block{text-align:center;box-sizing:border-box;width:100%;text-decoration:none;display:block}a.btn-block{line-height:1.25}.api-pat-once{border:1px solid color-mix(in srgb, var(--accent) 30%, var(--border));background:var(--banner-info-bg);border-radius:8px;flex-direction:column;gap:6px;margin-top:12px;padding:10px;display:flex}.api-pat-once-title{color:var(--ink);margin:0;font-size:12px;font-weight:600}.api-pat-token{word-break:break-all;background:var(--surface);border:1px solid var(--border);color:var(--ink);border-radius:6px;padding:8px;font-size:11px;display:block}.api-pat-once-actions{flex-wrap:wrap;gap:6px;display:flex}.api-pat-list{margin:12px 0 0;padding:0;list-style:none}.api-pat-row{border-top:1px solid var(--border);justify-content:space-between;align-items:flex-start;gap:8px;padding:8px 0;display:flex}.api-pat-meta{flex-direction:column;gap:2px;min-width:0;display:flex}.api-pat-date{font-size:11px}.api-pat-confirm{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:4px;display:flex}.btn-compact{padding:4px 8px;font-size:12px}.btn:disabled{opacity:.55;cursor:not-allowed}.gc-badge{letter-spacing:.04em;background:var(--badge-gc-bg);color:var(--badge-gc-ink);border-radius:4px;flex-shrink:0;padding:1px 5px;font-size:10px;font-weight:600}.main{flex-direction:column;flex:1;min-width:0;min-height:0;padding:12px;display:flex;position:relative}.btn{cursor:pointer;color:var(--ink);background:0 0;border:1px solid #0000;border-radius:6px;padding:8px 14px}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover)}.btn-ghost:hover{color:var(--accent);text-decoration:underline}.segment{border:1px solid var(--border);border-radius:8px;display:inline-flex;overflow:hidden}.segment button{background:var(--surface);cursor:pointer;color:var(--ink);border:0;padding:8px 12px}.segment button[aria-pressed=true]{background:var(--accent);color:#fff}.segment button:hover:not([aria-pressed=true]){color:var(--accent);text-decoration:underline}.banner-error{color:var(--danger);background:#fef2f2;border-bottom:1px solid #fecaca;flex-wrap:wrap;align-items:center;gap:12px;padding:10px 20px;display:flex}.banner-info{background:var(--banner-info-bg);color:var(--banner-info-ink);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:12px;padding:10px 20px;display:flex}.search-field input{border:1px solid var(--border);background:var(--surface);border-radius:6px;width:min(220px,40vw);padding:8px 10px}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.field-set{border:1px solid var(--border);border-radius:8px;margin:0 0 12px;padding:12px}.field-set legend{color:var(--muted);padding:0 6px;font-size:12px}.radio-row{cursor:pointer;align-items:flex-start;gap:8px;margin-bottom:8px;display:flex}.color-picker{flex-shrink:0;gap:4px;display:inline-flex}.color-swatch-btn{cursor:pointer;border:1px solid #1a2b2e40;border-radius:4px;width:16px;height:16px;padding:0}.color-swatch-btn:hover{outline:2px solid var(--focus-ring);outline-offset:1px}.color-swatch-btn.is-selected{outline:2px solid var(--ink);outline-offset:1px}.muted{color:var(--muted)}.calendar-list{margin:12px 0;padding:0;list-style:none}.calendar-list li{align-items:center;gap:8px;padding:6px 0;display:flex}.swatch{border-radius:3px;flex-shrink:0;width:12px;height:12px}.auth-gate{flex:1;place-items:center;padding:40px 20px;display:grid}.auth-card{background:var(--surface);border:1px solid var(--border);text-align:center;border-radius:12px;width:100%;max-width:420px;padding:32px}.modal-backdrop{z-index:40;background:#1a2b2e59;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.modal{background:var(--surface);border:1px solid var(--border);border-radius:12px;width:min(420px,100%);max-height:90vh;padding:24px;overflow:auto}.modal h2{margin:0 0 16px;font-size:16px}.dialog-message{color:var(--muted);margin:0 0 16px;line-height:1.5}.modal-backdrop-nested{z-index:50}.field{flex-direction:column;gap:4px;margin-bottom:12px;display:flex}.field input,.field textarea,.field select{border:1px solid var(--border);border-radius:6px;padding:8px 10px}.modal-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-top:16px;display:flex}.fc{flex:1;min-height:0}.fc .fc-event,.fc .fc-event .fc-event-main,.fc .fc-event .fc-event-title,.fc .fc-event .fc-event-time{color:inherit}.loading-overlay{z-index:2;color:var(--muted);background:color-mix(in srgb, var(--bg) 82%, transparent);pointer-events:none;place-items:center;margin:0;display:grid;position:absolute;inset:0}.gantt{flex-direction:column;flex:1;gap:8px;min-height:0;padding:4px 0;display:flex;overflow:auto}.gantt-toolbar{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.gantt-range-label{margin-left:4px}.gantt-hint{margin:0 0 4px;font-size:12px}.gantt-axis,.gantt-row{align-items:stretch;min-height:32px;display:flex}.gantt-label,.gantt-label-spacer{text-overflow:ellipsis;white-space:nowrap;flex-shrink:0;align-items:center;width:160px;padding-right:8px;display:flex;overflow:hidden}.gantt-track{border-left:1px solid var(--border);background:repeating-linear-gradient(to right, transparent, transparent calc(12.5% - 1px), var(--border) 12.5%);flex:1;min-width:0;position:relative}.gantt-track-axis{border-left:1px solid var(--border);background:0 0;min-height:24px}.gantt-tick{color:var(--muted);white-space:nowrap;font-size:11px;position:absolute;top:0;transform:translate(-50%)}.gantt-body{position:relative}.gantt-rows{flex-direction:column;gap:4px;margin:0;padding:0;list-style:none;display:flex}.gantt-progress-label{margin-left:6px;font-size:11px}.gantt-bar{cursor:grab;text-align:left;-webkit-user-select:none;user-select:none;touch-action:none;box-sizing:border-box;border:1px solid #0000;border-radius:4px;height:20px;padding:0 10px;font-size:12px;line-height:18px;position:absolute;top:6px;overflow:visible}.gantt-bar:hover{opacity:.92}.gantt-bar--dragging{cursor:grabbing;opacity:.85;z-index:2}.gantt-bar--locked{cursor:pointer;opacity:.85}.gantt-bar-progress{pointer-events:none;background:#0000002e;border-radius:4px 0 0 4px;position:absolute;top:0;bottom:0;left:0}.gantt-bar-text{text-overflow:ellipsis;white-space:nowrap;pointer-events:none;display:block;position:relative;overflow:hidden}.gantt-handle{cursor:ew-resize;z-index:3;width:8px;position:absolute;top:0;bottom:0}.gantt-handle-start{left:0}.gantt-handle-end{right:0}.gantt-link-handle{background:var(--surface);border:2px solid var(--accent);cursor:crosshair;z-index:4;box-sizing:border-box;border-radius:50%;width:12px;height:12px;margin-top:-6px;position:absolute;top:50%;right:-7px}.gantt-unlink{margin-left:6px}.gantt-row--link-target .gantt-track{outline:2px dashed var(--accent);outline-offset:-2px}.gantt-dep-wrap{pointer-events:none;position:absolute;top:0;left:160px;right:0}.gantt-dep-layer{display:block}.gantt-dep-path{pointer-events:stroke;cursor:pointer}.gantt-dep-path:hover{stroke:var(--danger)}.gantt-empty{margin:24px 0 0 160px}@media (width<=800px){.app-body{flex-direction:column}.sidebar{border-right:0;border-bottom:1px solid var(--border);width:100%;max-height:180px}}