.kl-pro{max-width:720px;margin:auto;padding:15px;border:1px solid #eee;border-radius:12px}.kl-row{display:flex;gap:10px}textarea{width:100%;min-height:120px;margin-top:10px;padding:10px}.kl-actions{display:flex;gap:10px;margin-top:10px}.kl-output{margin-top:15px;padding:15px;background:#fafafa;border-radius:10px;min-height:80px;line-height:1.8;font-size:28px}.kanji{background:#fff3a0;padding:2px 4px;border-radius:4px}ruby{font-size:20px}rt{font-size:12px;color:#666}.kl-skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e6e6e6 50%,#f0f0f0 75%);background-size:200% 100%;animation:shimmer 1.2s infinite;border-radius:8px;height:60px}@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}.kl-spinner{width:28px;height:28px;border:3px solid #ddd;border-top:3px solid #333;border-radius:50%;animation:spin 0.8s linear infinite;margin:10px auto}@keyframes spin{to{transform:rotate(360deg)}}