Summary: freee会計 adds "No credit card needed" trial

Why It Matters: This change makes it easier for new users to try freee会計. It removes a common barrier to signing up.

What Changed:

• Added "＼ クレジットカード不要 ／" (No credit card needed) text next to the "Free to start" button.
• Added a "料金をみる" (View pricing) link.
• Added a new section for free trial sign-up with email, Google, or Microsoft options.
• Added legal disclaimers for the free trial.