:root{color-scheme:light;--bg: #f6f7f9;--card: #fff;--line: #dfe3e8;--text: #1f2937;--muted: #6b7280;--accent: #1d4ed8;--accent-bg: #eff6ff;--warn-bg: #fff7ed;--warn: #c2410c;--danger: #b91c1c;--ok: #047857;--mine-bg: #f0f7ff}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Hiragino Sans,PingFang SC,Microsoft YaHei,Yu Gothic UI,Meiryo,sans-serif;font-size:14px;color:var(--text);background:var(--bg)}h1{font-size:20px;margin:0}h2{font-size:16px;margin:0 0 10px}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font:inherit;cursor:pointer;border-radius:6px;border:1px solid var(--line);background:#fff;padding:6px 12px;color:var(--text);white-space:nowrap}button.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.danger{color:var(--danger);border-color:#fecaca}button:disabled{opacity:.5;cursor:default}button.link{border:none;background:none;padding:0;color:var(--accent)}button.icon{border:none;background:none;padding:2px 6px;font-size:16px;line-height:1;color:var(--muted)}button.icon:hover{background:#f3f4f6}input,select,textarea{font:inherit;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--text);width:100%}textarea{resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--accent)}input[type=checkbox]{width:auto}[hidden]{display:none!important}.topbar{display:flex;align-items:center;gap:14px;padding:10px 20px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;flex-wrap:wrap}.topbar .brand{font-weight:700;font-size:16px;color:var(--text)}.topbar nav{display:flex;gap:12px}.topbar nav a.active{font-weight:700;text-decoration:underline;text-underline-offset:4px}.topbar .me{color:var(--muted)}.topbar select.locale{width:auto;padding:3px 6px}.spacer{flex:1}.page{max-width:1600px;margin:0 auto;padding:16px 20px 40px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:14px}.muted{color:var(--muted)}.small{font-size:12px}.danger{color:var(--danger)}.center{text-align:center}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.empty{padding:16px 4px}.count{display:inline-block;min-width:20px;padding:0 6px;border-radius:999px;background:#e5e7eb;color:var(--text);font-size:12px;text-align:center;font-weight:400}.chip{display:inline-block;padding:1px 8px;border-radius:999px;background:#f3f4f6;color:var(--text);font-size:12px}.chip.danger{background:#fef2f2;color:var(--danger)}.chip.warn{background:var(--warn-bg);color:var(--warn)}.chip.muted{color:var(--muted)}.alert{padding:10px 14px;border-radius:8px;margin-bottom:12px;border:1px solid}.alert.error{background:#fef2f2;border-color:#fecaca;color:var(--danger)}.alert.small{padding:6px 10px;margin:6px 0}.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.toolbar .search{max-width:360px}label.check{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}.kanban{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;align-items:flex-start;-webkit-overflow-scrolling:touch}.kanban-col{flex:0 0 260px;background:#eef0f3;border-radius:10px;padding:10px;min-height:120px}.kanban-col h3{font-size:14px;margin:0 0 8px;display:flex;gap:6px;align-items:center}.board-card{display:block;background:#fff;border:1px solid var(--line);border-radius:8px;padding:10px;margin-bottom:8px;color:var(--text)}.board-card:hover{border-color:var(--accent);text-decoration:none}.board-card-title{display:flex;gap:8px;align-items:flex-start;font-weight:600;margin-bottom:4px}.board-card-title .title-text{flex:1;overflow-wrap:anywhere}.board-card-meta{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:6px 0 4px}.unread{background:var(--danger);color:#fff;border-radius:999px;padding:0 7px;font-size:12px;font-weight:700}table.grid{width:100%;border-collapse:collapse;font-size:13px}table.grid th,table.grid td{border-bottom:1px solid var(--line);padding:7px 8px;white-space:nowrap;text-align:left}table.grid td.wrap{white-space:normal;overflow-wrap:anywhere;min-width:200px}table.grid th{background:#f3f4f6;font-weight:600}table.grid .num{text-align:right;font-variant-numeric:tabular-nums}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}.detail-head{padding-bottom:10px}.detail-title-row{display:flex;gap:12px;align-items:baseline;flex-wrap:wrap;margin-bottom:10px}.detail-title-row h1{overflow-wrap:anywhere}.back{white-space:nowrap}.detail-meta{display:flex;gap:18px;align-items:flex-end;flex-wrap:wrap}.meta,.stage-select{display:flex;flex-direction:column;gap:2px}.stage-select select{width:auto}.detail-actions{display:flex;gap:8px;flex-wrap:wrap}.memo{margin-top:10px;white-space:pre-wrap;background:#f9fafb;border-radius:6px;padding:8px 10px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:0}.tabs button{border:none;border-bottom:3px solid transparent;border-radius:0;background:none;padding:8px 14px}.tabs button.active{border-bottom-color:var(--accent);font-weight:700}.tab-body{border-top-left-radius:0;border-top-right-radius:0;border-top:none}.chat{display:flex;flex-direction:column;height:max(420px,calc(100dvh - 300px))}.chat-list{flex:1;overflow-y:auto;padding:4px 4px 12px}.msg{display:flex;gap:10px;padding:6px 6px 2px;border-radius:8px;position:relative}.msg:hover{background:#f9fafb}.msg.mine .msg-body{background:var(--mine-bg)}.msg.continued{padding-top:0}.msg.flash{background:#fef9c3;transition:background .3s}.msg.deleted{padding-left:48px}.msg-avatar{flex:0 0 32px}.msg-main{flex:1;min-width:0}.msg-head{display:flex;gap:8px;align-items:baseline;margin-bottom:2px}.msg-body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.6;display:inline-block;max-width:100%;padding:2px 8px;border-radius:6px}.msg-foot{display:flex;gap:10px;align-items:center;flex-wrap:wrap;min-height:4px;padding-left:8px}.msg-files{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-start;margin:4px 0 2px 8px}.msg-image img{max-width:220px;max-height:180px;border-radius:6px;border:1px solid var(--line);display:block}.msg-menu{position:relative;visibility:hidden}.msg:hover .msg-menu,.msg-menu:focus-within{visibility:visible}@media(hover:none){.msg-menu{visibility:visible}}.menu{position:absolute;right:0;top:24px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 6px 18px #0000001f;z-index:10;display:flex;flex-direction:column;min-width:160px;padding:4px}.menu button{border:none;text-align:left;padding:7px 10px}.menu button:hover{background:#f3f4f6}.mention{color:var(--accent);font-weight:600}.file-chip{display:inline-flex;gap:6px;align-items:center;border:1px solid var(--line);border-radius:6px;padding:4px 8px;background:#fff;max-width:100%;overflow-wrap:anywhere}.avatar{display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:#c7d2fe;color:#3730a3;font-weight:700;object-fit:cover;flex:0 0 auto;vertical-align:middle}.msg-edit textarea{margin-bottom:6px}.composer{border-top:1px solid var(--line);padding-top:10px;position:relative}.composer.dragging{outline:2px dashed var(--accent);outline-offset:2px}.composer-bar{display:flex;gap:6px;align-items:center;margin-top:6px}.pending-files{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:6px}.mention-picker{position:absolute;bottom:100%;left:0;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 6px 18px #0000001f;max-height:240px;overflow-y:auto;min-width:200px;padding:4px;z-index:10}.mention-picker button{display:flex;gap:8px;align-items:center;width:100%;border:none;text-align:left;padding:6px 8px}.mention-picker button:hover{background:#f3f4f6}.task-row{display:flex;gap:10px;align-items:flex-start;padding:8px 4px;border-bottom:1px solid var(--line)}.task-row input[type=checkbox]{margin-top:4px;transform:scale(1.2)}.task-row.done .task-title{text-decoration:line-through;color:var(--muted)}.task-main{flex:1;min-width:0}.task-title{white-space:pre-wrap;overflow-wrap:anywhere}.task-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:4px}.task-meta .inline{width:auto;padding:2px 6px;font-size:12px}.task-meta input.overdue{color:var(--danger);border-color:#fecaca}.task-meta input.today{color:var(--warn)}.board-link{font-weight:600}.task-group h2{display:flex;gap:8px;align-items:center}.task-group.overdue h2{color:var(--danger)}.my-tasks h1{margin-bottom:12px}.modal-back{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:flex;align-items:flex-start;justify-content:center;padding:6vh 12px;z-index:50;overflow-y:auto}.modal{width:100%;max-width:560px;margin:0}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.modal-head h2{margin:0}.modal-foot{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}.field{display:flex;flex-direction:column;gap:4px}.field>span{font-size:12px;color:var(--muted)}.field.full{grid-column:1 / -1}.req{color:var(--danger)}.login{max-width:420px;margin:12vh auto;text-align:center}.login h1{margin-bottom:10px}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#fff9;display:flex;align-items:center;justify-content:center;z-index:100}.spinner{width:36px;height:36px;border:4px solid #dbeafe;border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:640px){.topbar{padding:8px 12px;gap:10px;flex-wrap:nowrap}.topbar .brand{font-size:14px}.topbar .me{display:none}.topbar button{padding:4px 8px;font-size:12px}.topbar select.locale{font-size:12px}.detail-head{padding:10px 12px}.detail-title-row{margin-bottom:6px;gap:6px 10px}.detail-title-row h1{font-size:17px}.detail-meta{gap:8px 14px}.detail-actions{width:100%}.detail-actions button{padding:4px 8px;font-size:12px}.page{padding:12px 10px 30px}.kanban-col{flex-basis:78vw}.form-grid{grid-template-columns:1fr}.chat{height:max(380px,calc(100dvh - 260px))}.msg-image img{max-width:160px}}.avatars{display:inline-flex;align-items:center}.avatars .avatar{border:2px solid #fff;margin-left:-6px}.avatars .avatar:first-child{margin-left:0}.avatars .more{margin-left:4px;color:var(--muted)}.period{white-space:nowrap;color:var(--muted)}.period.overdue{color:var(--danger);font-weight:600}.period.today{color:var(--warn);font-weight:600}.multi-select{display:flex;flex-wrap:wrap;gap:6px}.multi-select .pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:3px 10px 3px 4px;cursor:pointer;font-size:13px;color:var(--text)}.multi-select .pill input{display:none}.multi-select .pill.on{background:var(--accent-bg);border-color:var(--accent);color:var(--accent);font-weight:600}