@charset "UTF-8";._web-piano_1705g_2{width:100%;max-width:min(var(--page-max-width),100%);margin:0 auto;padding:var(--page-padding-block) var(--page-padding-inline);padding-bottom:calc(var(--page-padding-block) * 1.4);display:flex;flex-direction:column;gap:clamp(1.5rem,3vw,2.5rem);color:var(--chakra-colors-fg, #1a202c)}._page-header_1705g_15 h1{margin:0 0 .25rem;font-size:clamp(1.75rem,2vw + 1.5rem,2.5rem)}._page-header_1705g_15 p{margin:0;color:var(--chakra-colors-muted-fg, #4a5568)}._controls_1705g_25{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}._octave-nav_1705g_32{display:flex;gap:.25rem;align-items:center}._octave-nav_1705g_32>span{font-size:.85rem;font-weight:600;margin-right:.25rem}._octave-nav_1705g_32 button{padding:.375rem .625rem;border-radius:.375rem;border:1px solid var(--chakra-colors-border, #e2e8f0);background:var(--chakra-colors-bg, #fff);color:var(--chakra-colors-fg, #1a202c);font-size:.8rem;font-weight:600;cursor:pointer;transition:all .15s ease}._octave-nav_1705g_32 button:hover:not(._active_1705g_53){border-color:var(--chakra-colors-primary, #2b6cb0)}._octave-nav_1705g_32 ._active_1705g_53{background:var(--chakra-colors-primary, #2b6cb0);color:#fff;border-color:var(--chakra-colors-primary, #2b6cb0)}._volume-control_1705g_62{display:flex;align-items:center;gap:.5rem;font-size:.85rem;font-weight:500;color:var(--chakra-colors-muted-fg, #718096)}._volume-control_1705g_62 input[type=range]{width:100px;accent-color:var(--chakra-colors-primary, #2b6cb0)}._sustain-toggle_1705g_75 button{padding:.375rem .75rem;border-radius:.375rem;border:1px solid var(--chakra-colors-border, #e2e8f0);background:var(--chakra-colors-bg, #fff);color:var(--chakra-colors-fg, #1a202c);font-size:.85rem;font-weight:600;cursor:pointer;transition:all .15s ease}._sustain-toggle_1705g_75 ._active_1705g_53{background:#2b6cb01f;border-color:var(--chakra-colors-primary, #2b6cb0);color:var(--chakra-colors-primary, #2b6cb0)}._keyboard-octave-indicator_1705g_93{font-size:.85rem;color:var(--chakra-colors-muted-fg, #718096)}._keyboard-octave-indicator_1705g_93 kbd{display:inline-block;padding:.1rem .35rem;border:1px solid var(--chakra-colors-border, #cbd5e0);border-radius:.25rem;background:var(--chakra-colors-bg, #fff);font-family:monospace;font-size:.8rem;margin:0 .15rem}._piano-scroll-container_1705g_109{width:100%;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;border-radius:0 0 1rem 1rem;background:linear-gradient(180deg,#2a2a2a,#1a1a1a);border:2px solid #3a3a3a;padding:1rem .5rem .5rem;box-shadow:0 8px 32px #0000004d}._piano-scroll-container_1705g_109::-webkit-scrollbar{height:8px}._piano-scroll-container_1705g_109::-webkit-scrollbar-track{background:#1a1a1a;border-radius:4px}._piano-scroll-container_1705g_109::-webkit-scrollbar-thumb{background:#555;border-radius:4px}._piano-scroll-container_1705g_109::-webkit-scrollbar-thumb:hover{background:#777}._piano-keyboard_1705g_136{display:flex;position:relative;-webkit-user-select:none;user-select:none}._octave-group_1705g_142{position:relative;flex-shrink:0}._white-keys_1705g_147{display:flex}._white-key_1705g_147{width:48px;height:200px;background:linear-gradient(180deg,#f5f5f5,#fff 10% 85%,#e8e8e8);border:1px solid #bbb;border-top:none;border-radius:0 0 6px 6px;cursor:pointer;position:relative;touch-action:none;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:.5rem;gap:.2rem;transition:background .05s ease,transform .05s ease;box-shadow:inset 0 -4px 6px #00000014,0 2px 4px #00000026}._white-key_1705g_147:active,._white-key_1705g_147._pressed_1705g_170{background:linear-gradient(180deg,#e0e0e0,#d8d8d8);box-shadow:inset 0 2px 4px #00000026;transform:translateY(2px)}._black-keys_1705g_176{position:absolute;top:0;left:0;right:0;pointer-events:none}._black-key_1705g_176{position:absolute;width:30px;height:130px;background:linear-gradient(180deg,#222,#333 40%,#111);border:1px solid #000;border-top:none;border-radius:0 0 4px 4px;cursor:pointer;pointer-events:auto;touch-action:none;z-index:2;display:flex;align-items:flex-end;justify-content:center;padding-bottom:.4rem;transition:background .05s ease,transform .05s ease;box-shadow:0 4px 8px #00000080,inset 0 -2px 3px #ffffff0d}._black-key_1705g_176:active,._black-key_1705g_176._pressed_1705g_170{background:linear-gradient(180deg,#333,#444 40%,#222);box-shadow:0 2px 4px #0006;transform:translateY(1px)}._key-label_1705g_210{font-size:.6rem;color:#999;font-weight:500;pointer-events:none}._key-shortcut_1705g_217{font-size:.55rem;color:#fff9;background:#0000004d;padding:.1rem .2rem;border-radius:2px;pointer-events:none;line-height:1}._white-key_1705g_147 ._key-shortcut_1705g_217{color:#0006;background:#00000014}._keyboard-help_1705g_233{border-radius:.75rem;border:1px solid var(--chakra-colors-border, #cbd5e0);background:var(--chakra-colors-bg-subtle, #f7fafc);padding:1rem 1.5rem;font-size:.85rem;color:var(--chakra-colors-muted-fg, #4a5568);line-height:1.8}._keyboard-help_1705g_233 h3{margin:0 0 .5rem;font-size:.95rem;font-weight:600;color:var(--chakra-colors-fg, #1a202c)}._keyboard-help_1705g_233 p{margin:0 0 .25rem}._keyboard-help_1705g_233 kbd{display:inline-block;padding:.1rem .35rem;border:1px solid var(--chakra-colors-border, #cbd5e0);border-radius:.25rem;background:var(--chakra-colors-bg, #fff);font-family:monospace;font-size:.75rem;margin:0 .1rem;min-width:1.4em;text-align:center}@media screen and (max-width:750px){._piano-scroll-container_1705g_109{padding:.5rem .25rem .25rem}._white-key_1705g_147{width:40px;height:160px}._black-key_1705g_176{width:26px;height:105px}._black-key_1705g_176:active,._black-key_1705g_176._pressed_1705g_170{height:103px}._controls_1705g_25{flex-direction:column;align-items:flex-start}._keyboard-help_1705g_233,._keyboard-octave-indicator_1705g_93{display:none}}