ichika-toc{display:block;min-width:0}
ichika-toc .ichika-toc-nav{box-sizing:border-box;margin:16px 0 24px;padding:16px;border:1px solid #e4e4e4;background:var(--ichika-toc-bg,#f7f9f9);color:var(--ichika-toc-color,#505956);font-size:var(--ichika-toc-size,14px);line-height:1.65;max-width:100%;text-align:start}
ichika-toc .ichika-toc-nav summary{display:list-item;cursor:pointer;font:inherit;font-weight:700;min-height:44px;padding:10px 0;overflow-wrap:anywhere}
ichika-toc .ichika-toc-nav summary::after{content:'開く';float:inline-end;font-size:12px;font-weight:400;margin-inline-start:12px}
ichika-toc .ichika-toc-nav details[open]>summary::after{content:'閉じる'}
ichika-toc .ichika-toc-nav ul{list-style:none;margin:0;padding:0}
ichika-toc .ichika-toc-nav ul ul{padding-inline-start:16px}
ichika-toc .ichika-toc-nav li{margin:0;padding:0}
ichika-toc .ichika-toc-nav li::before{content:none}
ichika-toc .ichika-toc-nav a{display:block;padding:8px;min-height:44px;box-sizing:border-box;overflow-wrap:anywhere;word-break:normal;color:inherit;text-decoration:none;font-weight:400;border-inline-start:3px solid transparent}
ichika-toc .ichika-toc-nav a:hover{text-decoration:underline}
ichika-toc .ichika-toc-nav a[aria-current]{border-inline-start-color:currentColor;background:color-mix(in srgb,currentColor 9%,transparent);font-weight:700}
ichika-toc .ichika-toc-nav :focus-visible{outline:2px solid currentColor;outline-offset:3px}
ichika-toc .ichika-toc-target{scroll-margin-top:var(--ichika-toc-offset,16px)}
ichika-toc .ichika-toc-alias{display:block;position:relative;width:0;height:0;scroll-margin-top:var(--ichika-toc-offset,16px)}
@media print{ichika-toc .ichika-toc-nav{display:none}}