:root{--color-bg: #ffffff;--color-bg-secondary: #f8f9fb;--color-surface: #ffffff;--color-surface-hover: #f4f6f9;--color-border: #e2e6ea;--color-border-light: #eef0f3;--color-sakura: #e8546a;--color-sakura-light: #fdf0f2;--color-sakura-medium: #f5a8b5;--color-sakura-dark: #c93d55;--color-text-primary: #1a1d21;--color-text-secondary: #5a6170;--color-text-tertiary: #8a95a3;--shadow-xs: 0 1px 2px rgba(0,0,0,.04);--shadow-sm: 0 2px 8px rgba(0,0,0,.06);--shadow-lg: 0 8px 32px rgba(0,0,0,.1);--font-sans: "Noto Sans JP", -apple-system, BlinkMacSystemFont, sans-serif;--font-display: "Syne", "Noto Sans JP", sans-serif;--font-mono: "DM Mono", "Courier New", monospace;--sidebar-width: 280px;--header-height: 60px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 20px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .25s ease;--sat: env(safe-area-inset-top, 0px);--sab: env(safe-area-inset-bottom, 0px)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px;-webkit-font-smoothing:antialiased;height:-webkit-fill-available}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text-primary);line-height:1.6;height:100vh;height:100dvh;overflow:hidden;overscroll-behavior:none}#root{height:100vh;height:100dvh;display:flex;overflow:hidden}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary)}::selection{background:var(--color-sakura-light);color:var(--color-sakura-dark)}:focus-visible{outline:2px solid var(--color-sakura);outline-offset:2px}button{cursor:pointer;border:none;background:none;font-family:inherit}input,textarea{font-family:inherit}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@keyframes blink{0%,to{opacity:1}50%{opacity:0}}.markdown-content{font-size:.95rem;line-height:1.75;color:inherit}.markdown-content p{margin-bottom:.85em}.markdown-content p:last-child{margin-bottom:0}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4{font-family:var(--font-display);font-weight:600;margin:1.2em 0 .5em;color:var(--color-text-primary)}.markdown-content h1{font-size:1.4em}.markdown-content h2{font-size:1.2em}.markdown-content h3{font-size:1.05em}.markdown-content ul,.markdown-content ol{padding-left:1.5em;margin-bottom:.85em}.markdown-content li{margin-bottom:.3em}.markdown-content code{font-family:var(--font-mono);font-size:.85em;background:#0000000f;padding:.15em .4em;border-radius:4px;color:var(--color-sakura-dark)}.markdown-content pre{background:#1a1d21;border-radius:var(--radius-md);padding:1em 1.2em;overflow-x:auto;margin:.85em 0}.markdown-content pre code{background:none;color:#e8eaed;padding:0;font-size:.875em;line-height:1.6}.markdown-content blockquote{border-left:3px solid var(--color-sakura);padding-left:1em;margin:.85em 0;color:var(--color-text-secondary);font-style:italic}.markdown-content table{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-collapse:collapse;margin:1em 0;font-size:.88em;border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.markdown-content thead{background:var(--color-sakura);color:#fff}.markdown-content thead th{padding:10px 14px;text-align:left;font-weight:600;border:none;letter-spacing:.02em;white-space:nowrap}.markdown-content tbody tr{border-bottom:1px solid var(--color-border-light);transition:background var(--transition-fast)}.markdown-content tbody tr:last-child{border-bottom:none}.markdown-content tbody tr:nth-child(2n){background:var(--color-bg-secondary)}.markdown-content tbody tr:hover{background:var(--color-sakura-light)}.markdown-content td{padding:9px 14px;border:none;vertical-align:top;white-space:normal;min-width:80px}.markdown-content a{color:var(--color-sakura);text-decoration:none}.markdown-content a:hover{text-decoration:underline}.markdown-content hr{border:none;border-top:1px solid var(--color-border);margin:1.2em 0}.message-user .markdown-content code{background:#ffffff26;color:#fff}.message-user .markdown-content pre{background:#0000004d}.message-user .markdown-content blockquote{border-left-color:#ffffff80;color:#fffc}.message-user .markdown-content a{color:var(--color-sakura-medium)}.message-user .markdown-content thead{background:#fff3}.message-user .markdown-content thead th{color:#fff}.message-user .markdown-content tbody tr:nth-child(2n){background:#ffffff14}.message-user .markdown-content td{color:#ffffffe6}