<?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg" width="512" height="512" viewBox="0 0 512 512" role="img" aria-label="J logo">
  <defs>
    <linearGradient id="g" x1="0%" y1="0%" x2="100%" y2="100%">
      <stop offset="0%" stop-color="#158C62" />
      <stop offset="100%" stop-color="#1cbf85" />
    </linearGradient>
  </defs>
  <!-- circular background -->
  <circle cx="256" cy="256" r="256" fill="url(#g)" />

  <!-- Dominant, trimmed and slightly flattened J centered visually -->
  <!-- We translate to center and apply a slight vertical scale to "flatten" the glyph -->
  <g transform="translate(256 262) scale(1 0.86)">
    <text x="0" y="0" text-anchor="middle" fill="#ffffff" font-family="Verdana, Arial, sans-serif" font-weight="900" font-size="320" dominant-baseline="middle">J</text>
  </g>
</svg>
