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<svg xmlns="http://www.w3.org/2000/svg" id="flag-icons-jp" viewBox="0 0 640 480">
<defs>
<clipPath id="jp-a">
<path fill-opacity=".7" d="M-88 32h640v480H-88z"/>
</clipPath>
</defs>
<g fill-rule="evenodd" stroke-width="1pt" clip-path="url(#jp-a)" transform="translate(88 -32)">
<path fill="#fff" d="M-128 32h720v480h-720z"/>
<circle cx="523.1" cy="344.1" r="194.9" fill="#d30000" transform="translate(-168.4 8.6) scale(.76554)"/>
</g>
</svg>