:root{--gold: #e6a800;--primary: #4cabfe;--primary-ink: #2f7fd1;--accent: #fc78b9;--ink: #1d1d2e;--muted: #6b6b85;--bg: #fbfbfe;--line: #e5e7eb}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Hiragino Sans,Yu Gothic,Meiryo,system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.8}a{color:inherit}.container{max-width:1100px;margin:0 auto;padding:0 24px}.btn{display:inline-block;padding:12px 26px;border-radius:999px;background:var(--primary);color:#fff;font-weight:700;text-decoration:none}:where(button){font-family:inherit;font-size:14px;padding:8px 14px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;cursor:pointer;line-height:1.4;transition:background .15s,border-color .15s,opacity .15s}:where(button:hover){background:#f4f7fb;border-color:#cdd5df}:where(button:disabled){opacity:.5;cursor:default}.app-nav button:disabled{opacity:1;background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700}.task-table{width:100%;border-collapse:collapse;font-size:14px}.task-table th{padding:6px 4px;text-align:left;color:#888;font-weight:600}.task-table td{padding:4px}.task-table input{width:100%;padding:10px;border-radius:8px;border:1px solid #ddd;font-size:16px}.task-actions{white-space:nowrap;display:flex;gap:6px}.task-actions button{min-width:40px;min-height:40px;border:1px solid #e4e4ee;background:#fff;border-radius:8px;font-size:16px;cursor:pointer}@media(max-width:640px){.task-table thead{display:none}.task-table,.task-table tbody,.task-table tr,.task-table td{display:block;width:100%}.task-table tr{border:1px solid #ececf4;border-radius:12px;padding:8px 12px 12px;margin-bottom:14px;background:#fff}.task-table td{padding:8px 0 0}.task-table td:before{content:attr(data-label);display:block;font-size:12px;color:#888;margin-bottom:4px}.task-table td.task-actions{padding-top:12px}.task-actions button{flex:1;min-height:44px}}@media(max-width:600px){.app-shell{padding:16px!important}.app-header{gap:8px!important}.app-header .app-nav{width:100%;justify-content:flex-start;flex-wrap:wrap;margin-left:0!important}.app-header select{flex:1;min-width:0}.app-header button,.app-nav button{min-height:40px}}.gantt{font-size:13px}.gantt-today-btn{padding:6px 14px;border:1px solid var(--line);background:#fff;border-radius:8px;font-weight:700;color:var(--primary-ink);cursor:pointer}.gantt-seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#f3f4f6}.gantt-seg button{min-width:38px;padding:6px 10px;border:none;background:transparent;cursor:pointer;font-size:13px;color:var(--muted)}.gantt-seg button.active{background:#fff;color:var(--primary-ink);font-weight:700;box-shadow:0 1px 2px #00000014}.gantt-body{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}.gantt-left{border-right:1px solid var(--line);background:#fff}.gantt-left-head{display:flex;align-items:center;padding:0 12px;font-weight:700;color:var(--muted);border-bottom:1px solid var(--line);background:#f8fafc;font-size:12px}.gantt-left-row{display:flex;align-items:center;gap:8px;padding:0 12px;border-bottom:1px solid #f1f3f5;cursor:pointer}.gantt-left-row:hover{background:#f8fbff}.gantt-left-row.selected{background:#eaf5ff}.gantt-status-dot{width:10px;height:10px;border-radius:999px;flex:0 0 10px}.gantt-left-name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}.gantt-left-dates{font-size:11px;color:var(--muted);white-space:nowrap}.gantt-add-btn{width:100%;text-align:left;padding:10px 12px;border:none;border-top:1px solid var(--line);background:#fff;color:var(--primary-ink);font-weight:700;cursor:pointer}.gantt-add-btn:hover{background:#f8fbff}.gantt-right{flex:1;overflow-x:auto;overflow-y:hidden}.gantt-head{position:relative;border-bottom:1px solid var(--line);background:#f8fafc}.gantt-head-top{position:absolute;top:0;height:24px;line-height:24px;font-size:11px;color:var(--muted);border-right:1px solid var(--line);padding-left:6px;box-sizing:border-box;white-space:nowrap;overflow:hidden}.gantt-head-bottom{position:absolute;top:24px;height:24px;box-sizing:border-box;border-right:1px solid #eef0f2;display:flex;align-items:center;justify-content:center;gap:3px;font-size:11px;color:#475569}.gantt-head-bottom .dow{font-size:9px;color:#94a3b8}.gantt-head-bottom.weekend{background:#f4f6f9}.gantt-head-bottom.today{background:#ffe3f0;color:var(--accent);font-weight:700}.gantt-weekend{position:absolute;top:0;background:#f7f9fb;pointer-events:none}.gantt-grid-line{position:absolute;top:0;width:1px;background:#eef0f2;pointer-events:none}.gantt-row-line{position:absolute;left:0;right:0;height:1px;background:#f1f3f5;pointer-events:none}.gantt-today-band{position:absolute;top:0;background:#fc78b92e;pointer-events:none}.gantt-editor{margin-top:16px;border:1px solid var(--line);border-radius:10px;padding:14px 16px;background:#fff}.gantt-editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px}.gantt-editor-grid label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted)}.gantt-editor-grid input,.gantt-editor-grid select{padding:9px 10px;border:1px solid var(--line);border-radius:8px;font-size:15px;color:var(--ink);background:#fff}.gantt-editor-grid label:first-child{grid-column:1 / -1}.gantt-icon-btn{min-width:36px;min-height:32px;margin-left:6px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;font-size:14px}.gantt-icon-btn.danger{color:#dc143c}.gantt-dep-list{display:flex;flex-direction:column;gap:4px;max-height:180px;overflow-y:auto}.gantt-dep-item{display:flex;align-items:center;gap:8px;font-size:14px}@media(max-width:640px){.gantt-editor-grid{grid-template-columns:1fr}.gantt-left{width:150px!important;flex-basis:150px!important}.gantt-left-dates{display:none}}