@font-face{font-family:"Newsreader";src:url(fonts/newsreader-latin.woff2) format("woff2");font-weight:300 700;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215}
@font-face{font-family:"Newsreader";src:url(fonts/newsreader-latin-ext.woff2) format("woff2");font-weight:300 700;font-display:swap;unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Newsreader";font-style:italic;src:url(fonts/newsreader-italic-400-latin.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"Newsreader";font-style:italic;src:url(fonts/newsreader-italic-400-latin-ext.woff2) format("woff2");font-weight:400;font-display:swap;unicode-range:U+0100-024F,U+1E00-1EFF}
@font-face{font-family:"Plex";src:url(fonts/IBMPlexSans-latin.woff2) format("woff2");font-weight:300 700;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F,U+2190-21FF,U+2212}
@font-face{font-family:"Plex";src:url(fonts/IBMPlexSans-latin-ext.woff2) format("woff2");font-weight:300 700;font-display:swap;unicode-range:U+0100-024F,U+1E00-1EFF}

:root{
  --bg:#f5f0e6;--card:#fffcf6;--fg:#1c1915;--mut:#4a4339;--line:#cbc1b0;--line-soft:#e3dbcc;
  --seal:#b3301b;--ink:#1c1915;--seal-ink:#8a2212;--ghost:#7d7365;--band:#e6dccb;--ok:#1f5e45;--top:52px;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;--sans:"Plex",system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#14120f;--card:#1c1915;--fg:#f0e9dd;--mut:#c4baa9;--line:#3d372e;--line-soft:#2a2620;
  --seal:#f2694a;--ink:#f0e9dd;--seal-ink:#ff9c80;--ghost:#9a8f7f;--band:#2b2721;--ok:#7fd1ab;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#14120f;--card:#1c1915;--fg:#f0e9dd;--mut:#c4baa9;--line:#3d372e;--line-soft:#2a2620;
  --seal:#f2694a;--ink:#f0e9dd;--seal-ink:#ff9c80;--ghost:#9a8f7f;--band:#2b2721;--ok:#7fd1ab;color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--top) + 12px)}
body{margin:0;background:var(--bg);color:var(--fg);font:400 1.125rem/1.6 var(--serif);overflow-x:hidden}
a{color:var(--seal-ink);text-underline-offset:.15em}
.skip-link{position:absolute;left:-999px;top:0;background:var(--card);color:var(--fg);padding:.5rem 1rem;z-index:99}
.skip-link:focus{left:.5rem}
:focus-visible{outline:2px solid var(--seal-ink);outline-offset:2px}

.topbar{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 94%,transparent);height:calc(var(--top) + var(--browser-safe-top,env(safe-area-inset-top)));padding:var(--browser-safe-top,env(safe-area-inset-top)) .9rem 0;display:flex;align-items:center;gap:.55rem;border-bottom:1px solid var(--line-soft);font:400 .9rem/1 var(--sans)}
.topbar a{color:inherit;text-decoration:none}
.brand{display:flex;align-items:center;gap:.45rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.brand svg{width:22px;height:22px;flex:none;color:var(--seal)}
.spacer{flex:1}
.chip{font:500 .75rem/1 var(--sans);padding:.4rem .55rem;border:1px solid var(--line);border-radius:99px;min-height:32px;display:inline-flex;align-items:center}
.chip[aria-current=page]{border-color:var(--fg)}
.icon-btn{background:none;color:var(--fg);border:1px solid var(--line);border-radius:99px;width:34px;height:34px;display:grid;place-items:center;cursor:pointer;flex:none}
.i-moon{display:none}[data-theme="dark"] .i-sun{display:none}[data-theme="dark"] .i-moon{display:block}

main{padding:0 16px}
.col{max-width:41rem;margin:0 auto}
.wide{max-width:58rem;margin:0 auto}
.opening{padding:2.2rem 0 1rem}
.kicker{font:500 .78rem/1.3 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin:0 0 .7rem}
h1{font:500 clamp(2.05rem,6vw,3.3rem)/1.06 var(--serif);letter-spacing:-.015em;margin:0 0 1rem;text-wrap:balance}
.deck{font-size:1.24rem;line-height:1.5;color:var(--fg);margin:0 0 .4rem}
.pw{font:500 .95em/1 ui-monospace,"SF Mono",Menlo,Consolas,monospace;background:var(--card);border:1px solid var(--line);border-radius:5px;padding:.08em .32em;white-space:nowrap}
h2{font:500 clamp(1.55rem,4.2vw,2.1rem)/1.15 var(--serif);margin:3.2rem 0 .8rem;text-wrap:balance}
h3{font:600 1rem/1.3 var(--sans);margin:1.6rem 0 .4rem}
p{margin:0 0 1rem}
.mut{color:var(--mut)}
.small{font:400 .9rem/1.5 var(--sans);color:var(--mut)}

/* instrument */
.instrument{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 16px 16px;margin:1.3rem 0 0;position:relative}
.keys-line{display:flex;gap:6px;flex-wrap:wrap;justify-content:center;margin:0 0 12px}

/* instrument */
.instrument{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin:1.3rem 0 0}
.inst-head{display:flex;align-items:center;justify-content:space-between;gap:.8rem;margin:0 0 10px}
.prompt{font:500 1.45rem/1.2 var(--serif);margin:0}
.dots{display:flex;gap:7px;flex:none}
.dot{width:11px;height:11px;border-radius:50%;border:1.5px solid var(--line)}
.dot.now{border-color:var(--seal)}
.dot.done{background:var(--seal);border-color:var(--seal)}
.pad-wrap{position:relative;display:flex;justify-content:center}
canvas.pad{display:block;background:var(--bg);border:1.5px dashed var(--line);border-radius:12px;touch-action:none;cursor:crosshair;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.pad-hint{position:absolute;inset:auto 0 12px;margin:0;text-align:center;font:400 .85rem/1.4 var(--sans);color:var(--mut);pointer-events:none;padding:0 1.2rem}
.complete canvas.pad{opacity:.35}
.status{font:400 .92rem/1.45 var(--sans);text-align:center;min-height:1.45em;margin:.5rem 0 .2rem;color:var(--seal-ink)}
.pad-row{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.thumbs{display:flex;gap:8px;justify-content:center;min-height:0;margin:.7rem 0 0}
.thumbs canvas{border:1px solid var(--line-soft);border-radius:8px;background:var(--bg)}
.btn{font:500 .9rem/1 var(--sans);color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:99px;padding:.65rem 1rem;min-height:40px;cursor:pointer}
.btn:hover{border-color:var(--fg)}
.btn.primary{background:var(--seal);border-color:var(--seal);color:#fff}
[data-theme="dark"] .btn.primary{color:#1a0d08}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn.primary{color:#1a0d08}}
.btn[disabled]{opacity:.45;cursor:default}
.linkbtn{font:400 .85rem var(--sans);background:none;border:0;color:var(--seal-ink);text-decoration:underline;cursor:pointer;padding:.2rem .3rem}
.privacy{font:400 .82rem/1.45 var(--sans);color:var(--mut);text-align:center;margin:.8rem 0 0}

/* results */
.result-none{border:1px dashed var(--line);border-radius:12px;padding:1rem;font:400 .95rem/1.5 var(--sans);color:var(--mut)}
.rarest{font:500 1.3rem/1.4 var(--serif);margin:1rem auto 1.2rem}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:760px){.cards{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px 16px 12px;min-width:0}
.card h3{font:600 .8rem/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--mut);margin:0 0 .6rem}
.card-top{display:grid;grid-template-columns:150px 1fr;gap:14px;align-items:start}
@media (max-width:420px){.card-top{grid-template-columns:110px 1fr}.card-top canvas.mine{width:110px!important;height:110px!important}}
canvas.mine{background:var(--bg);border-radius:10px}
.how{font:400 1.02rem/1.45 var(--serif);margin:0 0 .5rem}
.stat{font:400 .95rem/1.45 var(--sans);margin:0 0 .4rem}
.stat b{font-weight:600;color:var(--seal-ink)}
.like{margin:.8rem 0 .3rem}
.gallery{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:6px}
@media (max-width:520px){.gallery{grid-template-columns:repeat(3,minmax(0,1fr))}}
.gallery figure{margin:0;text-align:center;min-width:0}
.gallery canvas{display:block;margin:0 auto;background:var(--bg);border-radius:8px;max-width:100%}
.gallery figcaption{font:400 .7rem/1.2 var(--sans);color:var(--mut);margin:.25rem 0 0;overflow-wrap:anywhere;hyphens:auto}
.share-row{display:flex;gap:.5rem;flex-wrap:wrap;margin:1.1rem auto 0;align-items:center}
figure{margin:0}

/* 口 */
.kou-wrap{display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:start}
@media (max-width:420px){.kou-wrap{grid-template-columns:80px 1fr;gap:12px}}
svg.kou{width:100%;height:auto;overflow:visible;margin-top:.3rem}
svg.kou path{fill:none;stroke:var(--ink);stroke-width:7;stroke-linecap:round;stroke-linejoin:round}
svg.kou .k1{stroke:var(--seal)}
svg.kou .k3{stroke:var(--mut)}
svg.kou text{font:600 13px var(--sans);fill:var(--mut);text-anchor:middle}

/* charts */
.chart{margin:1.2rem 0 1.2rem}
.chart svg{display:block;width:100%;height:auto;overflow:visible}
.chart text{font:400 13px var(--sans);fill:var(--mut)}
.chart .row rect{fill:var(--line)}
.chart .row.hl rect{fill:var(--seal)}
.chart .row.hl text{fill:var(--fg);font-weight:600}
.chart .row text.v{fill:var(--fg)}
.chart .world{stroke:var(--fg);stroke-width:1.2;stroke-dasharray:3 3}
.chart .wl{font-size:12px;fill:var(--fg)}
.chart .gap{font-size:16px}
.note{font:400 .88rem/1.5 var(--sans);color:var(--mut);margin:.4rem 0 0}

#limite ul,.method ul{padding-left:1.2rem}
#limite li{margin:0 0 .6rem}
.method{font-size:1rem}
.method li{margin:0 0 .5rem}
.sources{font:400 .9rem/1.5 var(--sans)}
.sources li{margin:0 0 .45rem}
.site-footer{max-width:41rem;margin:3.5rem auto 0;padding:1.4rem 16px 3rem;border-top:1px solid var(--line-soft);display:flex;gap:1.2rem;flex-wrap:wrap;font:400 .85rem var(--sans);color:var(--mut)}
.site-footer a{color:inherit}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}