:root{--bg: #ffffff;--ink: #1c1c1c;--accent: #b3202c;--accent-deep: #7d1019;--tint: #f7e9ea;--line: #e6e1dc;--muted: #8a8581;--serif: "Cormorant Garamond", Georgia, serif;--sans: "Inter", system-ui, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.5}h1,h2,h3{font-family:var(--serif);margin:0;line-height:1.1}button,select{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}a{color:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:3px}kbd{border:1px solid currentColor;border-radius:4px;padding:0 5px;font-size:.75em;font-family:var(--sans)}.muted{color:var(--muted)}.link{background:none;border:0;padding:0 4px;color:var(--accent)}.link:disabled{opacity:.3}.btn{display:inline-block;text-decoration:none;border:1px solid var(--accent);border-radius:999px;padding:.8rem 2rem;background:transparent;color:var(--accent);transition:background .2s,color .2s}.btn.primary{background:var(--accent);color:#fff}.btn.primary:hover:not(:disabled){background:var(--accent-deep);border-color:var(--accent-deep)}.btn:disabled{opacity:.3}.btn.block{display:block;width:100%;text-align:center}.hero{--piano-h: 21.5vw ;position:relative;min-height:100svh;display:flex;flex-direction:column}.piano-layer{position:absolute;inset:0;z-index:0}.piano-layer canvas{display:block}.hero-content{position:relative;z-index:1;flex:1;display:flex;flex-direction:column;align-items:center;padding:calc(var(--piano-h) + 1rem) 16px 3rem;text-align:center;pointer-events:none}.hero-content a,.hero-content button{pointer-events:auto}.tools{display:flex;flex-direction:column;align-items:center;gap:.6rem}.controls{display:flex;gap:.5rem}.controls button{background:#fff;border:1px solid var(--accent);color:var(--accent);border-radius:999px;padding:.4rem 1.1rem;font-size:.9rem}.controls button.on{background:var(--accent);color:#fff}.piano-status{margin:0;min-height:1.6rem;font-size:.9rem;color:var(--muted);display:flex;gap:.6rem;align-items:center;justify-content:center}.chip{color:var(--accent);font-weight:600}.hero-center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.5rem;padding-top:1rem}.hero-seal-wrap{width:clamp(220px,min(46vw,42svh),560px)}.hero-seal{display:block;width:100%;height:auto;filter:drop-shadow(0 14px 24px rgba(125,16,25,.25))}.hero h1{font-size:clamp(2.2rem,6vw,4rem);font-weight:600;margin-bottom:1.4rem}.section{padding:clamp(5rem,14vw,10rem) 16px;max-width:900px;margin:0 auto;text-align:center}.statement{font-family:var(--serif);font-size:clamp(1.8rem,4.5vw,3rem);line-height:1.25;margin:0}.lessons{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;align-items:center}.lessons.plans{margin-top:3rem;color:var(--muted);font-size:.9rem}.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:.5rem 1.2rem}.pill:hover{border-color:var(--accent)}.pill.sel{background:var(--accent);border-color:var(--accent);color:#fff}.book-page{max-width:440px;margin:0 auto;padding:1.5rem 16px 6rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:2rem}.book-home{display:block}.month{width:100%}.month-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.month-head h2{font-size:1.7rem;font-weight:600}.arrow{width:40px;height:40px;border-radius:50%;border:0;background:none;color:var(--accent);font-size:1.6rem;line-height:1}.arrow:hover:not(:disabled){background:var(--tint)}.arrow:disabled{color:var(--line)}.month-grid{display:grid;grid-template-columns:repeat(7,1fr);row-gap:6px;justify-items:center}.dow{font-size:.75rem;color:var(--muted);padding-bottom:6px}.day{width:42px;height:42px;border-radius:50%;border:0;background:none;font-size:.95rem;color:#c9c4bf}.day.avail{color:var(--ink);font-weight:600;background:var(--tint)}.day.avail:hover{background:#f0cfd2}.day.today:not(.sel){box-shadow:inset 0 0 0 1px var(--accent)}.day.sel{background:var(--accent);color:#fff}.times{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}.cart-btn{position:fixed;right:16px;bottom:16px;z-index:30;width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--accent)}.cart-btn i{position:absolute;top:-4px;right:-4px;background:var(--accent);color:#fff;border-radius:999px;font-size:.7rem;font-style:normal;min-width:18px;height:18px;display:grid;place-items:center}.scrim{position:fixed;inset:0;background:#1c1c1c59;z-index:40}.drawer{position:fixed;top:0;right:0;bottom:0;width:min(360px,100vw);z-index:50;background:#fff;display:flex;flex-direction:column;border-left:1px solid var(--line)}.drawer header{display:flex;justify-content:space-between;align-items:center;padding:1.2rem 1.4rem;border-bottom:1px solid var(--line)}.drawer h3{font-size:1.8rem;color:var(--accent)}.drawer-body{flex:1;overflow-y:auto;padding:1rem 1.4rem}.line{display:flex;justify-content:space-between;gap:1rem;padding:.8rem 0;border-bottom:1px solid var(--line)}.line small{display:block;color:var(--muted)}.line .right{display:flex;flex-direction:column;align-items:flex-end}.drawer footer{padding:1.2rem 1.4rem;border-top:1px solid var(--line)}.total{display:flex;justify-content:flex-end;font-size:1.4rem;margin-bottom:.8rem}.notice{font-size:.85rem;background:var(--tint);padding:.6rem .8rem;border-radius:10px}.notice.err{color:var(--accent-deep)}.banner{display:flex;gap:1rem;justify-content:center;align-items:center;padding:.6rem 16px;background:var(--tint);color:var(--accent-deep)}.footer{text-align:center;padding:3rem 16px 5rem;color:var(--muted);font-size:.85rem}@media(max-width:640px){.path{flex-wrap:wrap;justify-content:center}.path:before{display:none}.path li{flex:0 0 30%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}