:root{--navy: #1e3a5f;--navy-dark: #152a47;--blue: #3b82f6;--blue-light: #eaf1fe;--bg: #f4f6f9;--card: #ffffff;--text: #1f2937;--text-sub: #6b7280;--text-faint: #9aa3af;--border: #e5e9ef;--red: #e0483f;--red-bg: #fdecea;--green: #10a37f;--orange: #e08a2b;--orange-bg: #fdf1e2;--font: "Yu Gothic", "Meiryo", "Hiragino Kaku Gothic ProN", sans-serif;--tabbar-h: 60px;--header-h: 52px;--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px)}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:16px;line-height:1.6;-webkit-text-size-adjust:100%;overscroll-behavior-y:none}#root{height:100%}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:16px}img{max-width:100%}.app-shell{display:flex;flex-direction:column;height:100%;max-width:640px;margin:0 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.re:active{background:#ffffff26}.pair-divider{display:flex;align-items:center;gap:12px;width:100%;max-width:340px;color:var(--text-faint);font-size:13px}.pair-divider:before,.pair-divider:after{content:"";flex:1;height:1px;background:var(--border)}.pair-cta{display:flex;flex-direction:column;gap:10px;width:100%;max-width:340px}.pair-cta-label{font-size:14px;font-weight:700;color:var(--navy-dark);margin:0}.pair-code{font-size:54px;font-weight:700;letter-spacing:14px;padding-left:14px;color:var(--navy-dark);font-variant-numeric:tabular-nums;line-height:1.1}.pair-steps{font-size:15px;color:var(--text-sub);line-height:1.9;margin:0;max-width:340px}.pair-timer{font-size:18px;font-weight:700;color:var(--blue);font-variant-numeric:tabular-nums}.pair-msg{font-size:13px;color:var(--text-sub);margin:0;max-width:340px}.pair-msg.error{color:var(--red)}.pair-approve{padding:14px 16px;border-top:1px solid var(--border)}.pair-approve-lead{font-size:13px;color:var(--text-sub);margin:0 0 10px}.pair-approve-warn{font-size:13px;color:var(--red);background:var(--red-bg);border:1px solid var(--red);border-radius:10px;padding:10px 12px;line-height:1.6;margin-bottom:12px}.pair-approve-input{width:100%;border:1px solid var(--border);border-radius:10px;padding:12px;background:#fff;color:var(--text);outline:none;font-size:24px;font-weight:700;letter-spacing:8px;text-align:center;margin-bottom:10px}.pair-approve-input:focus{border-color:var(--blue)}.app-main{display:flex;flex-direction:column;flex:1 1 auto;min-width:0;min-height:0}.side-nav{display:none}.talk-item.selected,.notice-card.selected{background:var(--blue-light)}@media(min-width:900px){.app-shell{flex-direction:row;max-width:none;width:100%;height:100%;box-shadow:none}.tabbar,.fab{display:none}.side-nav{display:flex;flex-direction:column;flex:0 0 200px;width:200px;background:#fff;border-right:1px solid var(--border);padding:8px;gap:2px}.side-brand{display:flex;align-items:center;gap:10px;padding:14px 12px 18px}.side-mark{width:36px;height:36px;border-radius:10px;background:var(--navy-dark);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;flex:0 0 auto}.side-brand-name{font-size:16px;font-weight:700;color:var(--navy-dark)}.side-nav-btn{display:flex;align-items:center;gap:12px;width:100%;padding:12px 14px;border:none;background:transparent;border-radius:10px;color:var(--text-sub);font-size:15px;font-weight:700;text-align:left}.side-nav-btn:hover{background:var(--bg)}.side-nav-btn.active{background:var(--blue-light);color:var(--navy)}.side-nav-ic{display:flex;flex:0 0 auto}.side-nav-ic svg{width:22px;height:22px;stroke:currentColor}.side-nav-label{flex:1;min-width:0}.side-nav-badge{background:var(--red);color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 6px;flex:0 0 auto}.screen.split-view{flex-direction:row}.pane-list{display:flex;flex-direction:column;min-height:0;background:#fff;border-right:1px solid var(--border)}.pane-list .content{background:#fff}.pane-talk-list{flex:0 0 320px;width:320px}.pane-ann-list{flex:0 0 360px;width:360px}.pane-detail{display:flex;flex-direction:column;flex:1 1 auto;min-width:0;min-height:0;background:var(--bg)}.pane-empty{flex:1 1 auto;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;color:var(--text-faint);font-size:15px}.pane-empty-emoji{font-size:44px}.split-view .bubble-col{max-width:min(60%,640px)}.app-main.narrow .content>*{max-width:760px;margin-left:auto;margin-right:auto}}