:root{--navy: #1F3864;--navy-l: #2E5090;--ink: #1a1a1a;--sub: #667085;--line: #e3e6ec;--bg: #f4f6fa;--card: #fff;--accent: #0a7c66;--warn: #b4451f;--radius: 14px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:15px;-webkit-text-size-adjust:100%}header{background:var(--navy);color:#fff;padding:14px 16px}header .inner{max-width:720px;margin:0 auto;display:flex;align-items:center;gap:12px}header h1{font-size:17px;margin:0}header .ev{font-size:12px;opacity:.82;margin:0}.brand{margin-left:auto;font-size:11px;opacity:.7}nav.tabs{display:flex;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}nav.tabs button{flex:1;padding:12px 8px;font:inherit;font-size:13px;font-weight:600;color:var(--sub);border:0;background:none;cursor:pointer;border-bottom:3px solid transparent}nav.tabs button[aria-selected=true]{color:var(--navy);border-bottom-color:var(--navy)}nav.tabs .badge{display:inline-block;min-width:18px;padding:0 5px;margin-left:4px;border-radius:99px;background:var(--warn);color:#fff;font-size:11px}.wrap{max-width:720px;margin:0 auto;padding:16px 16px 72px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px}h2{font-size:15px;margin:0 0 6px}.hint{font-size:12.5px;color:var(--sub);margin:0 0 12px}label{display:block;font-size:12.5px;font-weight:600;margin:10px 0 4px;color:#344054}input,textarea,select{width:100%;padding:10px 12px;border:1px solid #cfd4dc;border-radius:9px;font:inherit;font-size:15px;background:#fff;color:var(--ink)}textarea{min-height:70px;resize:vertical}button.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-radius:10px;padding:11px 16px;font:inherit;font-weight:700;font-size:14px;cursor:pointer;background:var(--navy);color:#fff;margin-top:12px}button.btn.block{width:100%}button.btn.sub{background:#fff;color:var(--navy);border:1.5px solid var(--navy)}button.btn.sm{padding:6px 11px;font-size:12.5px;margin-top:0}button.btn.danger{background:#fff;color:var(--warn);border:1.5px solid var(--warn)}button.btn:disabled{opacity:.5;cursor:not-allowed}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.msg{padding:10px 12px;border-radius:10px;font-size:13.5px;margin-top:12px}.msg.ok{background:#e7f5f1;border:1px solid #a8dbcd;color:#0a5c4b}.msg.ng{background:#fdecea;border:1px solid #f3c0ba;color:#9b2c18}.empty{text-align:center;color:var(--sub);font-size:13.5px;padding:24px 10px}.meta{font-size:12px;color:var(--sub)}.pill{display:inline-block;font-size:11px;padding:1px 8px;border-radius:99px;background:#eef1f7;color:var(--navy);margin-right:4px}.person{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line)}.person:first-of-type{border-top:0}.person .nm{font-weight:700}.person .ct{font-size:13px;word-break:break-all}.person .ct a{color:var(--navy-l)}.chat{display:flex;flex-direction:column;height:calc(100dvh - 200px);min-height:360px}.chat .log{flex:1;overflow-y:auto;padding:4px 2px}.chat .m{padding:8px 10px;margin:6px 0;background:#fff;border:1px solid var(--line);border-radius:10px}.chat .m.mine{background:#eef3fb}.chat .m.deleted{opacity:.55;background:#f7f7f7;border-style:dashed}.chat .m .hd{display:flex;gap:8px;align-items:baseline;flex-wrap:wrap;font-size:12px;color:var(--sub)}.chat .m .hd b{color:var(--ink);font-size:13px}.chat .m .bd{white-space:pre-wrap;word-break:break-word;margin-top:2px}.chat .m .ops{margin-left:auto;display:flex;gap:6px}.chat .m .ops button{border:0;background:none;color:var(--sub);font-size:11.5px;cursor:pointer;padding:0}.chat form{display:flex;gap:8px;padding-top:8px}.chat form{align-items:stretch}.chat form textarea{flex:1 1 auto;min-width:0;width:auto;min-height:44px;height:44px}.chat form .btn{flex:0 0 auto;margin-top:0;white-space:nowrap;padding:0 18px}.channels{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}.channels button{border:1px solid var(--line);background:#fff;border-radius:99px;padding:4px 12px;font:inherit;font-size:12.5px;cursor:pointer}.channels button[aria-pressed=true]{background:var(--navy);color:#fff;border-color:var(--navy)}