:root{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-tertiary: #f1f5f9;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--accent-primary: #6366f1;--accent-secondary: #4f46e5;--accent-gradient: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);--accent-gradient-hover: linear-gradient(135deg, #818cf8 0%, #6366f1 100%);--border-color: #e2e8f0;--border-focus: #4f46e5;--font-sans: "Outfit", "Inter", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--transition: all .3s cubic-bezier(.4, 0, .2, 1);--radius-lg: 16px;--radius-md: 8px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05), 0 1px 2px rgba(0, 0, 0, .02);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -2px rgba(0, 0, 0, .02);--max-width: 1100px}*{box-sizing:border-box;margin:0;padding:0}html{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);scroll-behavior:smooth}body{min-height:100vh;display:flex;flex-direction:column;overflow-x:hidden;line-height:1.7}a{color:inherit;text-decoration:none;transition:var(--transition)}.header{background-color:#fffc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}.header-container{max-width:var(--max-width);margin:0 auto;padding:1.25rem 1.5rem;display:flex;justify-content:space-between;align-items:center}.logo{display:flex;align-items:center;gap:.5rem;font-weight:800;letter-spacing:.05em;font-size:1.3rem}.logo-text{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-family:Outfit,sans-serif}.logo-sub{font-size:.75rem;font-weight:500;color:var(--text-muted);border-left:1px solid var(--border-color);padding-left:.5rem;letter-spacing:0}.nav{display:flex;gap:1.5rem}.nav-link{font-size:.95rem;font-weight:600;color:var(--text-secondary)}.nav-link:hover{color:var(--accent-primary)}.main-content{flex:1;width:100%;max-width:var(--max-width);margin:0 auto;padding:3rem 1.5rem}.footer{background-color:var(--bg-secondary);border-top:1px solid var(--border-color);padding:3rem 1.5rem;margin-top:auto}.footer-container{max-width:var(--max-width);margin:0 auto;display:flex;flex-direction:column;gap:2rem}.footer-brand{max-width:500px}.footer-desc{color:var(--text-secondary);font-size:.9rem;margin-top:.75rem}.footer-links{display:flex;flex-wrap:wrap;gap:1.5rem;font-size:.85rem;font-weight:600;color:var(--text-secondary);border-top:1px solid var(--border-color);padding-top:1.5rem}.footer-links a:hover{color:var(--accent-primary)}.footer-bottom{display:flex;flex-direction:column;gap:.75rem;padding-top:.75rem;color:var(--text-muted);font-size:.8rem}.footer-disclaimer{font-size:.75rem;color:var(--text-muted);opacity:.8}.btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:.8rem 1.75rem;border-radius:var(--radius-md);background:var(--accent-gradient);color:#fff;font-weight:600;border:none;cursor:pointer;box-shadow:var(--shadow-sm);transition:var(--transition)}.btn-primary:hover{background:var(--accent-gradient-hover);transform:translateY(-2px);box-shadow:0 10px 20px -10px #6366f166}.prose table{width:100%;border-collapse:collapse;margin:1.5rem 0}.prose th,.prose td{border:1px solid var(--border-color);padding:.75rem 1rem;text-align:left}.prose th{background-color:var(--bg-tertiary);font-weight:600}.prose tr:nth-child(2n){background-color:var(--bg-primary)}@media(max-width:768px){.header-container{flex-direction:column;gap:1rem}.main-content{padding:2rem 1rem}}.watchlist-badge{position:fixed;bottom:24px;right:24px;z-index:90;background:var(--accent-gradient);color:#fff;border:none;border-radius:50px;padding:10px 20px;font-weight:700;font-size:.9rem;box-shadow:0 10px 25px -5px #6366f180;display:inline-flex;align-items:center;gap:8px;cursor:pointer;transition:var(--transition)}.watchlist-badge:hover{transform:translateY(-4px) scale(1.05);box-shadow:0 15px 30px -5px #6366f1b3}.watchlist-badge.hidden{display:none!important}.badge-count{background-color:#ef4444;color:#fff;font-size:.75rem;font-weight:800;min-width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;padding:0 4px}.watchlist-drawer{position:fixed;top:0;right:0;width:100%;height:100%;z-index:1000;pointer-events:none;display:flex;justify-content:flex-end}.watchlist-drawer.open{pointer-events:auto}.drawer-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background-color:#0f172a66;backdrop-filter:blur(4px);opacity:0;transition:opacity .3s ease;pointer-events:none}.watchlist-drawer.open .drawer-overlay{opacity:1;pointer-events:auto}.drawer-content{position:relative;width:100%;max-width:420px;height:100%;background:#fffffff2;backdrop-filter:blur(12px);border-left:1px solid var(--border-color);box-shadow:-10px 0 30px #0000000d;transform:translate(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}.watchlist-drawer.open .drawer-content{transform:translate(0)}.drawer-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid var(--border-color)}.drawer-header h3{font-family:Outfit,sans-serif;font-weight:800;font-size:1.2rem;color:var(--text-primary)}.btn-close-drawer{background:none;border:none;font-size:1.75rem;color:var(--text-muted);cursor:pointer;line-height:1;transition:var(--transition)}.btn-close-drawer:hover{color:#ef4444}.drawer-body{flex:1;overflow-y:auto;padding:1.5rem}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:4rem 1rem;color:var(--text-secondary);font-weight:600;font-size:.95rem}.empty-desc{font-size:.8rem;color:var(--text-muted);margin-top:.5rem;line-height:1.6}.watchlist-items{display:flex;flex-direction:column;gap:1rem}.watchlist-item{background-color:#fff;border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1rem;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow-sm);transition:var(--transition)}.watchlist-item:hover{border-color:var(--accent-primary);transform:translateY(-2px);box-shadow:var(--shadow-md)}.item-info{display:flex;flex-direction:column;gap:.25rem;width:65%}.item-name{font-size:.9rem;font-weight:700;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item-name a:hover{color:var(--accent-primary)}.item-prices{display:flex;flex-direction:column;font-size:.75rem}.price-original{color:var(--text-muted);text-decoration:line-through}.price-current{color:#10b981;font-weight:700}.price-drop-badge{font-size:.7rem;font-weight:800;color:#065f46;background-color:#d1fae5;border:1px solid #a7f3d0;padding:2px 6px;border-radius:4px;display:inline-block;margin-top:4px;width:fit-content;animation:pulse-border 2s infinite ease-in-out}@keyframes pulse-border{0%,to{border-color:#a7f3d0}50%{border-color:#34d399}}.item-actions{display:flex;align-items:center;gap:.75rem;width:35%;justify-content:flex-end}.item-buy-btn{font-size:.75rem;font-weight:700;color:#fff!important;background:var(--accent-gradient);padding:.4rem .8rem;border-radius:var(--radius-md);white-space:nowrap}.item-buy-btn:hover{background:var(--accent-gradient-hover)}.btn-remove-item{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1.25rem;font-weight:700;line-height:1;transition:var(--transition)}.btn-remove-item:hover{color:#ef4444}.drawer-footer{padding:1.5rem;border-top:1px solid var(--border-color);background-color:var(--bg-primary)}.watchlist-tip{font-size:.7rem;color:var(--text-muted);line-height:1.5}