必要-icon
[https://scrapbox.io/api/pages/suto3/必要-icon/icon#.svg] 
n.svg<svg width="200" height="100" viewBox="0 0 200 100" xmlns="http://www.w3.org/2000/svg">
<g>
<rect x="5" y="5" width="190" height="90" rx="10" ry="10"
fill-opacity="0" stroke="#ff4400" stroke-width="5" />
<text x="15" y="80" font-size="80" fill="#ff4400"
font-weight="400" letter-spacing="10" word-spacing="10" >
必要
</text>
</g>
</svg>
n2.svg<svg width="200" height="100" viewBox="0 0 200 100" xmlns="http://www.w3.org/2000/svg">
<rect x="5" y="5" width="190" height="90" rx="45" ry="45"
fill="gray" fill-opacity="1" stroke="gray" stroke-width="4" />
<text x="50" y="70" font-size="50" stroke-width="0" stroke="white" fill="white"
font-weight="800" letter-spacing="-1" word-spacing="-1" >
必要
</text>
</svg>