“浩” is a Cursive Signature text effect 使用 FontVibe AI 创作的文字效果. 亲笔签名：一笔流畅连成，首字母突出、后续小写相连，末尾一道长下划线花饰，蓝黑墨水写在白纸上.

Create a square photographic watermark signature proof, minimal and clean. Render exactly one text string: "浩". The character is the sole focal point, centered and occupying 58% of the canvas width. Draw it as a practiced, fully legible personal autograph: an oversized decisive first stroke, connected fast hand-signed strokes with controlled thick-to-thin pressure modulation, and a long tapered underline swash that begins beneath the character and sweeps to the lower right. Keep the kanji structurally readable; do not turn it into decorative calligraphy or an unreadable scribble. Use one flat deep blue-black matte fountain-pen ink color, #152235. Show tangible pen behavior: slightly darker ink pooling at tight turns, minute dry pen skips in fast hairline exits, soft feathering only at the paper fiber edge. No gloss, metallic foil, bevel, neon, shadow, or 3D effect. Place the signature on a crisp warm-white uncoated photo card with extremely subtle paper grain, filling the full frame. Use even overhead daylight, soft and flat, with no dramatic cast shadow. Leave at least 65% of the surface as uninterrupted blank space around the signature. No extra words, logos, borders, icons, pens, hands, or decorative marks. High-resolution editorial product capture, clean edges, precise Japanese character rendering.