.nhk-toc{box-sizing:border-box;max-width:100%;margin:16px 0 24px;padding:14px 18px;border:1px solid #d1e0eb;border-radius:4px;background:#f5f9fc;color:#183b56;overflow-wrap:anywhere}
.nhk-toc .nhk-toc-header{display:flex;align-items:center;justify-content:flex-start;gap:12px;margin-bottom:8px}
#tms_cat_html>.nhk-toc{width:calc(100% - 32px);max-width:700px;margin-left:auto;margin-right:auto}
.nhk-toc button{font:inherit;color:#005c9f;background:#fff;border:1px solid #9bbbd1;border-radius:3px;padding:5px 12px;cursor:pointer}
.nhk-toc [hidden]{display:none!important}
.nhk-toc ol{margin:0!important;padding-left:24px!important;list-style:decimal!important}
.nhk-toc ol ol{margin-top:5px!important;list-style:lower-alpha!important}
.nhk-toc li{margin:6px 0!important;padding:0!important;line-height:1.6!important}
.nhk-toc a{color:#005c9f!important;text-decoration:underline!important;font-size:inherit!important}
.nhk-toc a:focus-visible,.nhk-toc button:focus-visible{outline:3px solid #075b93;outline-offset:3px}
.nhk-toc-orphan{margin-left:18px!important}
.nhk-toc-heading{scroll-margin-top:180px}
html{scroll-behavior:smooth}
@media(max-width:767px){.nhk-toc{padding:12px;max-width:100%}.nhk-toc-heading{scroll-margin-top:140px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.nhk-toc-dock{position:fixed;left:12px;bottom:16px;z-index:1040;font-size:14px;max-width:calc(100vw - 88px)}
.nhk-toc-dock[hidden],.nhk-toc-dock [hidden]{display:none!important}
.nhk-toc-launch{background:#075b83;color:#fff;border:1px solid #fff;border-radius:6px;padding:10px 14px;box-shadow:0 2px 10px #0003;cursor:pointer;font:inherit}
.nhk-toc-panel{width:310px;max-width:100%;max-height:60vh;overflow-y:auto;overscroll-behavior:contain;margin:0;padding:12px;background:#f5f9fc;box-shadow:0 3px 16px #0003}
.nhk-toc-panel .nhk-toc-header{justify-content:space-between}
.nhk-toc-panel a[aria-current="location"]{font-weight:bold;color:#07334e!important}
.nhk-toc-dock-wide{top:155px;bottom:auto;width:246px}
.nhk-toc-dock-wide .nhk-toc-panel{width:246px;max-height:calc(100vh - 180px)}

/* Keep long news tables of contents scrollable from the start. */
#news-bodyhtml > .nhk-toc > div[id] {max-height:320px;max-height:min(320px,50vh);overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding-right:8px;}