:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#16151a;--surface:#1f1e25;--surface-raised:#2a2831;--surface-inset:#100f13;--text:#f2efe9;--text-soft:#a9a49b;--text-faint:#8f8a82;--brass:#d8a84e;--brass-bright:#e8bd68;--brass-wash:#d8a84e21;--rule:#f2efe930;--rule-faint:#f2efe917;--ivory:#f2ede3;--ivory-deep:#ddd6c8;--space-1:4px;--space-2:8px;--space-3:16px;--space-4:24px;--space-5:40px;--space-6:64px;--measure:34rem;--font-display:Georgia, "Iowan Old Style", "Palatino Linotype", "Times New Roman", serif;--font-text:"Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif}@font-face{font-family:Montserrat;src:url(/fonts/montserrat-latin-var.woff2)format("woff2");font-weight:400 700;font-style:normal;font-display:swap}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}body{background:var(--bg);min-height:100dvh;color:var(--text);font-family:var(--font-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;font-size:16px;line-height:1.65;display:flex}img,svg{max-width:100%;height:auto;display:block}a{color:var(--text);text-decoration:underline;-webkit-text-decoration-color:var(--brass);text-decoration-color:var(--brass);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--brass-bright);text-decoration-thickness:2px}h1,h2,h3{font-family:var(--font-display);letter-spacing:-.015em;text-wrap:balance;font-weight:400;line-height:1.08}h1{font-size:clamp(2.5rem,1.6rem + 3.4vw,4.3rem)}h2{font-size:clamp(1.9rem,1.3rem + 2.2vw,2.9rem)}h3{font-family:var(--font-text);letter-spacing:0;font-size:1.06rem;font-weight:700;line-height:1.3}p{text-wrap:pretty}:focus-visible{outline:2px solid var(--brass);outline-offset:3px}.sheet{width:100%;max-width:1080px;padding-inline:var(--space-4);margin-inline:auto}.sheet-narrow{max-width:780px}.page-head{margin-bottom:var(--space-5)}.page-head p{margin-top:var(--space-2);color:var(--text-soft);max-width:var(--measure)}.page-head h1,.movement-head h1{font-size:clamp(2.1rem,1.6rem + 1.8vw,3rem)}.movement{padding-block:clamp(40px,4.5vw,64px)}.visually-hidden{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.mark{border:1.5px solid var(--rule);background:var(--surface);min-width:38px;height:30px;color:var(--brass);font-family:var(--font-text);letter-spacing:.06em;border-radius:6px;justify-content:center;place-self:start;align-items:center;padding:0 9px;font-size:.8rem;font-weight:700;line-height:1;display:inline-flex}.lede{color:var(--text-soft);max-width:var(--measure);font-size:clamp(1.05rem,.98rem + .5vw,1.3rem);line-height:1.5}.note{color:var(--text-faint);font-size:.87rem}.action{background:var(--surface-raised);min-height:48px;color:var(--text);font-family:var(--font-text);letter-spacing:.01em;cursor:pointer;border:1.5px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:10px;padding:12px 26px;font-size:.95rem;font-weight:600;text-decoration:none;transition:background-color .15s,transform 80ms,box-shadow .15s;display:inline-flex}.action:hover{color:var(--text);background:#34323d;text-decoration:none}.action:active{transform:translateY(1px)}.action-primary{background:var(--brass);color:#16151a;box-shadow:inset 0 1px #8a6620,0 2px 10px #d8a84e38}.action-primary:hover{background:var(--brass-bright);color:#16151a}.action-quiet{min-height:48px;color:var(--text-soft);align-items:center;gap:8px;font-size:.95rem;font-weight:600;text-decoration:none;display:inline-flex}.action-quiet:hover{color:var(--brass);text-decoration:none}.action-quiet:after{content:"→";transition:transform .15s}.action-quiet:hover:after{transform:translate(3px)}.plate{margin:0}.plate-frame{border:1px solid var(--rule);background:var(--surface-inset);padding:6px}.plate figcaption{gap:var(--space-2);margin-top:var(--space-2);color:var(--text-faint);font-size:.8rem;line-height:1.45;display:flex}.plate figcaption b{color:var(--text-soft);letter-spacing:.06em;text-transform:uppercase;flex-shrink:0;padding-top:1px;font-size:.74rem;font-weight:700}.prose{max-width:40rem;margin-inline:auto}.prose h2{margin-top:var(--space-6);margin-bottom:var(--space-2);padding-bottom:var(--space-2);border-bottom:1px solid var(--rule-faint);font-size:1.55rem}.prose h3{font-size:1.05rem;font-family:var(--font-text);margin-top:var(--space-4);margin-bottom:var(--space-1);font-weight:700}.prose p,.prose ul{margin-bottom:var(--space-3);color:var(--text-soft)}.prose li{margin-bottom:var(--space-2);margin-left:var(--space-4)}.prose strong{color:var(--text);font-weight:600}.prose a{overflow-wrap:anywhere}.scroll-x{overflow-x:auto}
.skip-link{left:var(--space-3);z-index:20;background:var(--brass);color:var(--bg);padding:10px 18px;font-weight:600;text-decoration:none;transition:top .15s linear;position:absolute;top:-60px}.skip-link:focus{top:var(--space-3)}.masthead{border-bottom:1px solid var(--rule)}.masthead-inner{justify-content:space-between;align-items:center;gap:var(--space-3);padding-block:var(--space-3);flex-wrap:wrap;display:flex}.brand{align-items:center;gap:10px;text-decoration:none;display:inline-flex}.brand:hover{text-decoration:none}.brand-name{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text);font-size:1.5rem;line-height:1.1}.brand-sub{font-family:var(--font-text);letter-spacing:.2em;text-transform:uppercase;color:var(--text-faint);font-size:.6rem;font-weight:600;display:block}.masthead-nav{align-items:center;gap:clamp(var(--space-3), 3vw, var(--space-4));font-size:.9rem;display:flex}.masthead-nav a{color:var(--text-soft);border-bottom:1.5px solid #0000;padding-block:6px;text-decoration:none}.masthead-nav a:hover{color:var(--text);border-bottom-color:var(--brass);text-decoration:none}@media (max-width:480px){.masthead-inner{gap:12px}.brand{gap:8px}.brand-sub{letter-spacing:.12em}.masthead-nav{gap:12px;font-size:.85rem}}.opening{padding-block:clamp(36px,5vw,68px) clamp(32px,4vw,56px)}.opening-grid{gap:clamp(var(--space-4), 4vw, var(--space-6));grid-template-columns:minmax(0,1fr);align-items:start;display:grid}@media (min-width:940px){.opening-grid{grid-template-rows:auto 1fr;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);row-gap:0}.opening-copy{grid-area:1/1}.opening-next{grid-area:2/1}.opening-grid>.hero-piano{grid-area:1/2/3/3}}@media (max-width:939px){.opening-next .opening-actions{margin-top:0}}.opening-title{margin-block:var(--space-3) var(--space-4)}.opening-title em{color:var(--brass);font-style:normal;display:block}.opening-actions{gap:var(--space-3);margin-top:var(--space-5);flex-wrap:wrap;display:flex}.opening-meta{gap:var(--space-2) var(--space-4);margin-top:var(--space-4);padding-top:var(--space-3);border-top:1px solid var(--rule-faint);color:var(--text-faint);flex-wrap:wrap;font-size:.82rem;display:flex}.opening-meta span{white-space:nowrap}.hero-piano{border:1px solid var(--rule);background:linear-gradient(var(--surface), var(--surface-inset));padding:var(--space-3);border-radius:14px}.readout{align-items:baseline;gap:0 var(--space-3);min-height:58px;padding:10px var(--space-3);margin-bottom:var(--space-3);background:var(--surface-inset);border:1px solid var(--rule-faint);border-radius:9px;flex-wrap:wrap;display:flex}.readout-chord{font-family:var(--font-text);letter-spacing:-.02em;color:var(--brass);font-size:2rem;font-weight:700;line-height:1.1}.readout-notes{letter-spacing:.08em;color:var(--text-faint);font-size:.86rem}.readout-hint{color:var(--text-soft);align-self:center;font-size:.95rem}.keybed{align-items:flex-start;height:210px;padding-bottom:2px;display:flex}.pkey{color:#67625a;min-width:0;height:100%;font-family:var(--font-text);cursor:pointer;background:linear-gradient(#fdfdfd 86%,#e4e4e6);border:1px solid #0c0b0f;border-radius:0 0 6px 6px;flex:1 1 0;justify-content:center;align-items:flex-end;padding-bottom:9px;font-size:.7rem;font-weight:600;transition:background-color 60ms linear,transform 60ms;display:flex;position:relative}.pkey:hover{background:linear-gradient(#fff 86%,#ededf0)}.pkey.is-held:after{content:"";background:#4a3608;border-radius:50%;width:6px;height:6px;position:absolute;bottom:26px;left:50%;translate:-50%}.pkey:active{transform:translateY(2px)}.pkey-sharp{--sharp-width:max(26px, 7%);width:var(--sharp-width);height:62%;margin-inline:calc(var(--sharp-width) / -2);z-index:1;background:linear-gradient(#33303b 78%,#131117);border-radius:0 0 5px 5px;flex:none;padding-bottom:7px;box-shadow:0 3px 5px #00000073}.pkey-sharp.is-held:after{background:#16151a;bottom:14px}.pkey-sharp:hover{background:linear-gradient(#3d3946 78%,#1a171f)}.pkey.is-held{color:#3a2a06;background:linear-gradient(#e8bd68 78%,#b8862f)}.pkey-sharp.is-held{background:linear-gradient(#c99a3e 78%,#8a6620)}.hero-piano-caption{margin-top:var(--space-3);color:var(--text-faint);text-align:center;text-wrap:balance;font-size:.85rem}.for-touch{display:none}@media (hover:none) and (pointer:coarse){.for-pointer{display:none}.for-touch{display:inline}}@media (max-width:560px){.keybed{height:132px}.readout-chord{font-size:1.6rem}}.movement-head{gap:var(--space-3);margin-bottom:var(--space-5);grid-template-columns:minmax(0,1fr);display:grid}@media (min-width:720px){.movement-head{gap:var(--space-4);grid-template-columns:64px minmax(0,1fr)}}.movement-head h2{margin-bottom:var(--space-2)}.movement-head p{color:var(--text-soft);max-width:var(--measure)}.method{border-top:1px solid var(--rule)}.method-step{gap:var(--space-2) var(--space-4);padding-block:var(--space-4);border-bottom:1px solid var(--rule-faint);grid-template-columns:64px minmax(0,1fr);display:grid}@media (min-width:860px){.method-step{grid-template-columns:64px minmax(0,15rem) minmax(0,1fr);align-items:baseline}}.bar-number{font-family:var(--font-display);color:var(--brass);font-size:2.4rem;line-height:1}.method-step h3{font-family:var(--font-display)}.method-step p{color:var(--text-soft);max-width:var(--measure)}.index-list{border-top:1px solid var(--rule);columns:1}@media (min-width:880px){.index-list{columns:2;column-gap:var(--space-6)}}.index-entry{break-inside:avoid;padding-block:var(--space-3);border-bottom:1px solid var(--rule-faint)}.index-entry h3{font-family:var(--font-display);margin-bottom:2px}.index-entry p{color:var(--text-soft);font-size:.94rem}.two-up{gap:clamp(var(--space-4), 4vw, var(--space-6));grid-template-columns:minmax(0,1fr);align-items:center;display:grid}@media (min-width:860px){.two-up{grid-template-columns:minmax(0,1fr) minmax(0,.42fr);align-items:start}}.two-up-ruled{border-top:1px solid var(--rule);padding-top:var(--space-4)}.plate-pair{gap:var(--space-2);grid-template-columns:minmax(0,1fr);display:grid}@media (min-width:860px){.plate-pair{grid-template-columns:1fr 1fr}}.plate-pair figcaption{grid-column:1/-1;margin-top:0}.scan{align-items:center;gap:var(--space-3);margin-top:var(--space-4);display:none}.scan img{background:#fff;border-radius:6px;flex-shrink:0;width:128px;height:128px;padding:10px}.scan p{gap:2px;display:grid}.scan b{color:var(--text);font-weight:600}.scan span{color:var(--text-faint);font-size:.86rem}.scan-url{margin-top:var(--space-2);color:var(--text-faint);font-size:.86rem}@media (min-width:860px){.scan{display:flex}.scan-alt{display:none}}.method.method-plain{border-top:none}.method.method-plain .method-step{grid-template-columns:minmax(0,1fr)}.qa{border-top:1px solid var(--rule)}.qa-item{border-bottom:1px solid var(--rule-faint)}.qa-item summary{gap:var(--space-2);padding-block:var(--space-3);font-family:var(--font-display);cursor:pointer;grid-template-columns:28px minmax(0,1fr);font-size:1.15rem;line-height:1.3;list-style:none;display:grid}.qa-item summary::-webkit-details-marker{display:none}.qa-item summary:before{content:"Q.";font-family:var(--font-text);color:var(--brass);letter-spacing:.06em;padding-top:6px;font-size:.8rem;font-weight:700}.qa-answer{gap:var(--space-2);padding-bottom:var(--space-4);color:var(--text-soft);grid-template-columns:28px minmax(0,1fr);max-width:52rem;display:grid}.qa-answer:before{content:"A.";font-family:var(--font-text);color:var(--text-faint);letter-spacing:.06em;font-size:.8rem;font-weight:700}.qa-answer p+p{margin-top:var(--space-2)}.shortcuts{gap:6px var(--space-3);margin-top:var(--space-3);grid-template-columns:max-content minmax(0,1fr);align-items:baseline;display:grid}.shortcuts div{display:contents}.shortcuts kbd{border:1px solid var(--rule);background:var(--surface);color:var(--text);font-family:var(--font-text);white-space:nowrap;border-radius:5px;padding:1px 8px;font-size:.8rem;font-weight:600;display:inline-block}.coda{border-top:1px solid var(--rule);background:var(--surface)}.coda h2{margin-bottom:var(--space-3)}.coda .action{margin-top:var(--space-4)}.colophon{border-top:1px solid var(--rule);background:var(--surface-inset);padding-top:var(--space-5);margin-top:auto;font-size:.9rem}body:has(.sheet-narrow) .colophon .sheet{max-width:780px}.colophon-grid{gap:var(--space-5);grid-template-columns:minmax(0,1fr);display:grid}@media (min-width:760px){.colophon-grid{grid-template-columns:minmax(0,1.3fr) repeat(3,minmax(0,.8fr))}}.colophon h2{font-family:var(--font-text);letter-spacing:.18em;text-transform:uppercase;color:var(--text-faint);margin-bottom:var(--space-2);font-size:.7rem;font-weight:700}.colophon a{color:var(--text-soft);overflow-wrap:anywhere;padding-block:4px;text-decoration:none;display:block}.colophon a:hover{color:var(--brass);text-underline-offset:3px;text-decoration:underline}.colophon-about p{color:var(--text-soft);max-width:30ch;margin-top:var(--space-2)}.colophon-foot{margin-top:var(--space-5);padding-block:var(--space-3);border-top:1px solid var(--rule-faint);gap:var(--space-2) var(--space-4);color:var(--text-faint);flex-wrap:wrap;justify-content:space-between;font-size:.82rem;display:flex}.margin-note{border-left:2px solid var(--brass);padding:var(--space-2) 0 var(--space-2) var(--space-3);margin-block:var(--space-4);color:var(--text-soft);max-width:var(--measure);font-size:.92rem}.margin-note strong{color:var(--text)}@media (min-width:860px){.two-up-wide{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:start}.two-up-wide .method-step{grid-template-columns:46px minmax(0,1fr)}}.crumb{margin-bottom:var(--space-3);font-size:.87rem}.crumb a{color:var(--text-soft)}.chord-title{font-size:clamp(2.1rem,1.6rem + 1.8vw,3rem)}.chord-answer{margin-block:var(--space-2) var(--space-4);color:var(--text-soft);font-size:clamp(1.05rem,.98rem + .5vw,1.3rem)}.chord-facts{gap:var(--space-2) var(--space-4);margin-bottom:var(--space-4);grid-template-columns:max-content minmax(0,1fr);display:grid}.chord-facts div{display:contents}.chord-facts dt{color:var(--text-faint);padding-top:3px;font-size:.87rem}.chord-facts dd{letter-spacing:.02em;font-size:1.15rem;font-weight:600}.chord-figure{max-width:600px;margin-bottom:var(--space-4)}.chord-figure figcaption{margin-top:var(--space-2);letter-spacing:.06em;color:var(--text-faint);font-size:.82rem}.keys-diagram{width:100%}.kd-white rect{fill:#fdfdfd;stroke:#0c0b0f;stroke-width:1px}.kd-black rect{fill:#2a2830;stroke:#0c0b0f;stroke-width:1px}.kd-white.kd-held rect{fill:#e8bd68}.kd-black.kd-held rect{fill:#c99a3e}.kd-key circle{fill:#4a3608}.kd-black circle{fill:#16151a}.kd-key text{fill:#3a2a06;font-family:var(--font-text);text-anchor:middle;font-size:9px;font-weight:700}.kd-black text{fill:#16151a;letter-spacing:-.03em;font-size:8.5px}.chord-section{margin-top:var(--space-6);margin-bottom:var(--space-3);padding-bottom:var(--space-2);border-bottom:1px solid var(--rule-faint);font-size:1.55rem}.inversions{gap:var(--space-4);grid-template-columns:minmax(0,1fr);list-style:none;display:grid}@media (min-width:620px){.inversions{grid-template-columns:repeat(2,minmax(0,1fr))}}.inversions h3{margin-top:var(--space-2);font-size:1.15rem}.inversions p{color:var(--text-soft);font-size:.9rem}.chord-links{gap:var(--space-2);flex-wrap:wrap;list-style:none;display:flex}.chord-links a{border:1px solid var(--rule);text-align:center;min-width:48px;color:var(--text);border-radius:6px;padding:6px 10px;font-size:.92rem;font-weight:600;text-decoration:none;display:inline-block}.chord-links a:hover{border-color:var(--brass);color:var(--brass-bright)}.chord-grid{border-collapse:collapse;white-space:nowrap;font-size:.9rem}.chord-grid th,.chord-grid td{border-bottom:1px solid var(--rule-faint);text-align:left;padding:0}.chord-grid thead th{padding:var(--space-2) 10px;border-bottom:1px solid var(--rule);color:var(--text-faint);font-size:.78rem;font-weight:600}.chord-grid tbody th{padding:0 var(--space-3) 0 0;background:var(--bg);font-family:var(--font-display);font-size:1.05rem;font-weight:400;position:sticky;left:0}.chord-grid thead th:first-child{background:var(--bg);padding-left:0;position:sticky;left:0}.chord-grid a{color:var(--text);padding:10px;font-weight:600;text-decoration:none;display:block}.chord-grid a:hover{color:var(--brass-bright);background:var(--brass-wash)}.note-chords{margin-bottom:var(--space-4);color:var(--text-soft);list-style:none}.note-chords a{font-weight:600}