I'm arriving at Narita Airport and plan to stay in Tokyo for 3 days, relying on the subway. What are the recommended ticket packages for airport transfer and subway travel? For each, state its validity, covered subway lines, and the external website for purchase details.
Navigate to 'https://www.tokyometro.jp/en/' Accept the cookie policy if prompted. Navigate to the 'Access from the Airport' section. Under 'Access from Narita Airport', click on 'Airport - Downtown Tokyo Routes and Tickets'. Identify the 'Keisei Skyliner & Tokyo Subway Ticket' and extract its validity period, covered subway lines, and the external website for price and purchase details. Identify the 'Limousine & Subway Pass (Narita Airport)' and extract its validity period, covered subway lines, and the external website for price and purchase details. Synthesize the extracted information for both packages.
Identify 'Keisei Skyliner & Tokyo Subway Ticket' as a recommended package. State that the 'Keisei Skyliner & Tokyo Subway Ticket' offers Tokyo Subway 24-hour, 48-hour, or 72-hour validity, effective from first use within the validity period stated on the ticket. State that the 'Keisei Skyliner & Tokyo Subway Ticket' covers all lines of the Tokyo Metro and the Toei Subway. Provide the link to the Keisei Electric Railway website (https://www.keisei.co.jp/keisei/tetudou/skyliner/us/value_ticket/subway.php) for 'Keisei Skyliner & Tokyo Subway Ticket' price and purchase details. Identify 'Limousine & Subway Pass (Narita Airport)' as a recommended package. State that the 'Limousine & Subway Pass (Narita Airport)' offers Tokyo Subway 24-hour, 48-hour, or 72-hour validity, effective from first use within the validity period stated on the ticket. State that the 'Limousine & Subway Pass (Narita Airport)' covers all lines of the Tokyo Metro and the Toei Subway. Provide the link to the Limousine & Subway Pass website (https://www.limousinebus.co.jp/en/ticket/) for 'Limousine & Subway Pass (Narita Airport)' price and purchase details.