/* Frequency to Note Converter 1.0.0 (vocalrangecalculator.com) – scoped to .fnc. Palette: purple #5237b6 / #925fe7, navy #1d2759. */
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@media (min-width:620px){.fnc .fnc-grid{grid-template-columns:1fr 1fr 1fr}}
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.fnc .fnc-custom{margin-top:6px}
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.fnc .fnc-voice{margin:6px 0 0;font-weight:600;color:#1d2759}
.fnc .fnc-chart{margin:16px 0 0}
.fnc .fnc-chart summary{cursor:pointer;padding:6px 0;list-style-position:inside}
.fnc .fnc-h3{font-weight:700;font-size:1.1em;color:#1d2759}
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.fnc .fnc-small{margin:8px 0 0;font-size:.85em;color:var(--fnc-muted)}