Summary of Significant Accounting Policies (Details)		1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	May 07, 2026 USD ($) shares	Mar. 31, 2026 USD ($)	Jun. 30, 2026 USD ($) shares	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)
Significant Accounting Policies [Line Items]
Deferred offering costs		$ 7,100,000	$ 0		$ 0		$ 3,987,901
Deferred offering costs offset against the proceeds and charged against additional paid in capital	$ 3,000,000.0
Deferred offering cost write off			$ 4,100,000		4,052,804	$ 0
Simple agreements for future equity, aggregate amount							40,000,000
Proceeds from simple agreements for future equity		$ 10,300,000			$ 10,341,342	$ 0	29,700,000
Number of warrants issued in the period (in shares) | shares	2,000,841
Warrant exercise	$ 26,900,000			$ 2,332
Business Combination Agreement with A Paradise Acquisition Corp.
Significant Accounting Policies [Line Items]
Estimated valuation cap							$ 1,200,000,000
Additional Paid-in-Capital
Significant Accounting Policies [Line Items]
Warrant exercise				2,155
Warrants issued in the period	$ 7,200,000
Class A Common Stock | Common Stock
Significant Accounting Policies [Line Items]
SAFEs conversion to common stock (in shares) | shares	4,001,682		4,001,682
Warrant exercise	$ 32,800,000			$ 177
Athletic competition equipment - portable | Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life			3 years		3 years
Athletic competition equipment - portable | Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life			5 years		5 years
Fitness equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life			5 years		5 years
Computer equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life			3 years		3 years
Furniture & fixtures | Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life			5 years		5 years
Furniture & fixtures | Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life			7 years		7 years
Capitalized software | Minimum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life			3 years		3 years
Capitalized software | Maximum
Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life			5 years		5 years
SAFE Investor Warrants
Significant Accounting Policies [Line Items]
Simple agreement for future equity, warrants, conversion ratio							0.50
Warrants, term							2 years