>>404
ちょっと訂正してみる
```
.nname::before { content: "("; }
:is(.ipv4, .ipv6)::before { content: "["; }
:is(.ipv4, .ipv6)::after { content: "]"; }
:is(.rc-id2, .rc-ip)::after {
content: ")";
color: var(--color-thread-resHeaderForeground);
}
.rc-id2:has(+.rc-ip)::after { font-size: 0; }
```