:root{--navy:#2434a9;--navy-light:#4558cc;--navy-tint:#2434a914;--text:#1e1e1f;--text-sub:#6c6c6d;--heading:#2f4e8f;--bg:#fff;--bg-alt:#f5f5f7;--card-bg:#f5f5f7;--border:#e5e5ea;--accent-red:#e83323;--accent-yellow:#fbec4f;--accent-green:#60d03e;--max-width:1200px;--radius:16px;--radius-full:9999px;--bottom-nav-height:140px;--glass-bg:#ffffffb8;--sans:"Noto Sans JP", Helvetica, "Helvetica Neue", "Hiragino Sans", sans-serif;--mono:"JetBrains Mono", monospace;font:16px/1.8 var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--navy:#7b8fe0;--navy-light:#96a6e8;--navy-tint:#7b8fe01a;--text:#f5f5f7;--text-sub:#86868b;--heading:#9bafd4;--bg:#000;--bg-alt:#161617;--card-bg:#161617;--border:#2c2c2e;--glass-bg:#000000b8}}*,:before,:after{box-sizing:border-box}body{margin:0}#root{height:100dvh;overflow:hidden}h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}h1{color:var(--text);font-size:64px}h2{color:var(--heading);font-size:56px}h3{color:var(--heading);font-size:40px}h4{color:var(--heading);font-size:24px}@media (width<=768px){h1{font-size:36px}h2{font-size:32px}h3{font-size:24px}h4{font-size:20px}}p{margin:0}button{font:inherit;cursor:pointer;color:inherit;background:0 0;border:none;padding:0}a{color:var(--navy);text-decoration:none}.app-shell{height:100dvh;position:relative;overflow:hidden}.viewer{z-index:0;background:var(--bg-alt);position:absolute;inset:0}.viewer-loading,.viewer-error{z-index:1;flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex;position:absolute;inset:0}.spinner{border:3px solid var(--border);border-top-color:var(--navy);border-radius:50%;width:40px;height:40px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.viewer-error p{color:var(--text-sub)}.viewer-error-sub{font-size:14px}.ar-slot-btn{border-radius:var(--radius-full);background:var(--navy);color:#fff;cursor:pointer;height:48px;bottom:calc(var(--bottom-nav-height) + 24px);z-index:5;border:none;align-items:center;gap:8px;padding:0 28px;font-size:14px;font-weight:700;transition:background .2s;display:flex;position:absolute;left:24px}.ar-slot-btn:hover{background:var(--navy-light)}.app-header{z-index:10;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);position:absolute;top:0;left:0;right:0}.header-inner{padding:0 24px;padding-top:env(safe-area-inset-top);height:calc(56px + env(safe-area-inset-top));align-items:center;display:flex}.logo-btn{color:var(--text);align-items:center;gap:8px;display:flex}.logo-icon{width:28px;height:28px;color:var(--navy)}.logo-text{letter-spacing:-.02em;font-size:18px;font-weight:700}.furniture-info-bar{bottom:calc(var(--bottom-nav-height) + 16px);z-index:15;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);border-radius:var(--radius);align-items:center;gap:20px;max-width:calc(100% - 32px);padding:12px 20px;display:flex;position:absolute;right:16px}.info-bar-text{flex-direction:column;gap:2px;min-width:0;display:flex}.info-bar-name{color:var(--text);white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:700;overflow:hidden}.info-bar-dim{color:var(--text-sub);font-size:12px}.info-bar-price{color:var(--navy);white-space:nowrap;font-size:16px;font-weight:700}.bottom-nav{z-index:20;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);padding-bottom:env(safe-area-inset-bottom);position:absolute;bottom:0;left:0;right:0}.bottom-nav-categories{scrollbar-width:none;border-bottom:1px solid var(--border);gap:4px;padding:8px 16px;display:flex;overflow-x:auto}.bottom-nav-categories::-webkit-scrollbar{display:none}.bottom-nav-cat-btn{border-radius:var(--radius-full);height:32px;color:var(--text-sub);background:0 0;flex-shrink:0;padding:0 16px;font-size:13px;font-weight:700;transition:background .2s,color .2s}.bottom-nav-cat-btn:hover{background:var(--navy-tint);color:var(--navy)}.bottom-nav-cat-btn.active{background:var(--navy);color:#fff}.bottom-nav-cat-btn.active:hover{background:var(--navy-light);color:#fff}.bottom-nav-strip{scrollbar-width:none;gap:8px;padding:8px 16px 12px;display:flex;overflow-x:auto}.bottom-nav-strip::-webkit-scrollbar{display:none}.bottom-nav-thumb{background:0 0;border:2px solid #0000;border-radius:12px;flex-direction:column;flex-shrink:0;align-items:center;gap:4px;width:80px;padding:4px;transition:border-color .2s;display:flex}.bottom-nav-thumb.active{border-color:var(--navy)}.thumb-preview{border-radius:8px;justify-content:center;align-items:center;width:72px;height:56px;display:flex}.thumb-icon{width:28px;height:28px}.thumb-name{color:var(--text);text-align:center;text-overflow:ellipsis;white-space:nowrap;max-width:72px;font-size:10px;font-weight:700;line-height:1.2;overflow:hidden}@media (width<=768px){.header-inner{padding:0 16px;padding-top:env(safe-area-inset-top)}.furniture-info-bar{right:12px;bottom:calc(var(--bottom-nav-height) + 12px);padding:10px 16px}.ar-slot-btn{bottom:calc(var(--bottom-nav-height) + 16px);left:12px}}