/* Scoped, native anchor navigation; no JavaScript dependency. */
html:has(.won-toc){scroll-behavior:smooth}
.won-toc{margin:2rem 0;padding:1.25rem 1.5rem;border:1px solid var(--won-border,#d9e4e2);border-inline-start:4px solid var(--won-accent,#007e78);border-radius:1rem;background:var(--won-surface,#fff);box-shadow:0 5px 22px rgb(16 47 53 / .06);color:var(--won-ink,#15313a);max-width:100%;min-width:0}
.won-homepage>.won-toc{max-width:48rem;margin-inline:auto}
.won-toc-heading{display:flex;align-items:baseline;justify-content:space-between;gap:.5rem 1rem;flex-wrap:wrap;margin-bottom:.75rem}
.won-toc-heading strong{font-size:1.125rem}.won-toc-heading span{font-size:.875rem;color:#52666c}
.won-toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.2rem 1.5rem;list-style:none;counter-reset:won-section;padding:0;margin:0}
.won-toc ol{max-height:18rem;overflow-y:auto;scrollbar-width:thin;padding:.2rem .3rem}
.won-toc li{counter-increment:won-section;min-width:0;margin:0}
.won-toc a{display:flex;gap:.65rem;align-items:baseline;padding:.35rem .2rem;font-size:.9rem;line-height:1.4;text-decoration:none;overflow-wrap:anywhere;border-radius:.3rem}
.won-toc a::before{content:counter(won-section,decimal-leading-zero);font-size:.75rem;font-variant-numeric:tabular-nums;color:#52666c;flex:0 0 1.25rem}
.won-toc a:hover{text-decoration:underline;background:#edf7f5}.won-toc a:focus-visible{outline:3px solid #9b3c00;outline-offset:3px}
body:has(.won-toc) .entry-content h2[id],.won-homepage .home-section-title[id]{scroll-margin-top:1.5rem}
@media(max-width:600px){.won-toc{padding:1rem;margin-block:1.5rem}.won-toc ol{grid-template-columns:minmax(0,1fr);max-height:14rem}.won-toc-heading span{font-size:.8rem}.won-toc a{padding-block:.4rem}}
@media(prefers-reduced-motion:reduce){html:has(.won-toc){scroll-behavior:auto}}