Generate an SVG as a new job congratulations greeting card illustration. Festive celebratory style. Background fill #FFFBF0. Draw a central star burst explosion in gold (#F59E0B) with 16 alternating long and short rays. Overlay a briefcase silhouette at center in dark navy (#1E3A5F). Confetti raining from upper canvas in coral, mint, lavender, gold. Add 3 upward arrow shapes at lower canvas in coral (#F97316). Abundant, celebratory. No text, no labels, no emoji. Output raw SVG code only starting with <svg.

The image shows a briefcase with three arrows pointing up in the air, surrounded by a bright yellow background. The briefcase is animated, giving the impression of movement and energy.