:root{--text-xs: .64rem;--text-sm: .8rem;--text-base: 1rem;--text-lg: 1.25rem;--text-xl: 1.563rem;--text-2xl: 1.953rem;--text-3xl: 2.441rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-8: 3rem;--space-10: 4rem;--bg-base: #ffffff;--bg-elevated: #f7f7f7;--bg-surface: #f0f0f0;--text-primary: #1a1a1a;--text-secondary: #666666;--text-muted: #999999;--accent: #ff424d;--accent-glow: rgba(255, 66, 77, .15);--accent-hover: #e63946;--accent-muted: rgba(255, 66, 77, .08);--border: #e5e5e5;--border-subtle: #ebebeb;--bubble-user: #f0f0f0;--bubble-user-text: #1a1a1a;--bubble-kaneda: #232946;--bubble-kaneda-text: #ffffff;--bubble-kaneda-border: #232946;--focus-ring: rgba(59, 130, 246, .4);--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;-webkit-tap-highlight-color:transparent;touch-action:manipulation}html,body{height:100%}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:var(--text-base);line-height:1.5;background-color:var(--bg-base);color:var(--text-primary);display:flex;flex-direction:column;overscroll-behavior:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#d4d4d4;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#a3a3a3}.container{max-width:720px;margin:0 auto;padding:0 var(--space-4);width:100%}.text-xs{font-size:var(--text-xs)}.text-sm{font-size:var(--text-sm)}.text-base{font-size:var(--text-base)}.text-lg{font-size:var(--text-lg)}.text-xl{font-size:var(--text-xl)}.text-2xl{font-size:var(--text-2xl)}.text-3xl{font-size:var(--text-3xl)}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.text-accent{color:var(--accent)}@keyframes fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes bubble-in{0%{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes pulse-subtle{0%,to{opacity:.4}50%{opacity:1}}@keyframes glow-pulse{0%,to{box-shadow:0 0 0 0 var(--accent-glow)}50%{box-shadow:0 0 20px 4px var(--accent-glow)}}.animate-fade-in{animation:fade-in var(--transition-slow) ease-out}.animate-bubble-in{animation:bubble-in .25s ease-out forwards}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}button:focus-visible,textarea:focus-visible,input:focus-visible{outline:none;box-shadow:0 0 0 2px var(--bg-base),0 0 0 4px var(--focus-ring)}::selection{background:#bfdbfe;color:var(--text-primary)}