| Price | Amount entered by user (minimum ¥100 – maximum ¥99,999,999, Japanese Yen, tax included) |
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| Payment Method | Credit card (processed via Stripe Checkout) |
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| Payment Timing | Upon completion of the payment procedure |
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| Delivery | Ranking reflection typically occurs within a few minutes after payment completion (short delays may occur due to system processing) |
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| Returns / Cancellations | Due to the nature of ranking participation, refunds or cancellations at user request are generally not available. Only clear system errors such as duplicate charges will be handled individually. |
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| Operating Environment | Latest versions of major browsers (Chrome, Safari, Firefox, Edge) with an internet connection |
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| Additional Costs | Internet connection fees are the user's responsibility. If you use a non-Japanese card or bank, your issuer may apply exchange rates or foreign transaction fees (costs outside this service's control). |
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| Application Validity Period | Within the validity period of the Stripe Checkout Session (usually 24 hours). If expired, please restart the process. |
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