v3.26.1
SEGMENT REPORTING (Details)
¥ in Thousands, $ in Thousands
 12 Months Ended
Feb. 28, 2026
USD ($)
Feb. 28, 2026
JPY (¥)
Feb. 28, 2025
JPY (¥)
Feb. 29, 2024
JPY (¥)
Feb. 28, 2024
JPY (¥)
Related Party Transaction [Line Items]          
Revenue from external customers $ 140,313 ¥ 21,895,790 ¥ 21,119,304   ¥ 17,516,731
Intersegment revenue 41,250 6,437,112 5,183,260   513,779
Total revenue 181,563 28,332,902 26,302,564   18,030,510
Elimination of intersegment revenue (41,250) (6,437,112) (5,183,260)   (513,779)
Total consolidated revenue 140,313 21,895,790 21,119,304   17,516,731
Purchases 70,391 [1] 10,984,493 [1] 10,012,859 [2]   8,097,538 [3]
Personnel expenses 34,647 [1] 5,406,647 [1] 4,768,579 [2]   4,311,427 [3]
R&D expenses 9,848 [1] 1,536,704 [1] 1,057,697 [2] ¥ 960,940 960,940 [3]
Other costs and expenses 7,666 [1] 1,196,203 [4] 2,415,576 [5]   1,931,016 [6]
Intersegment costs and expenses 41,252 [7] 6,437,431 [7] 5,183,099 [8]   513,779 [9]
Total costs and expenses 163,804 25,561,478 23,437,810   15,814,700
Elimination of intersegment costs and expenses (41,252) (6,437,431) (5,183,099)   (513,779)
Total consolidated costs and expenses 122,552 19,124,047 18,254,711   15,300,921
Segment operating income 17,761 [10] 2,771,743 2,864,593   2,215,810
Corporate expenses (2,612) (407,735) [10] (704,292) [11]   (323,413) [12]
Total operating income 15,149 2,364,008 2,160,301 1,892,397 1,892,397
Interest expenses, net (274) (42,785) (49,498)   (36,978)
Gain from disposal of long-lived assets 7 1,092 (1,370)   (154)
Loss from change in fair market value of equity securities (718) (112,100) (44,352) 71,165 71,165
Gain from foreign currency exchange 82 12,735     8,904
Other income, net 535 83,557 5,981   3,735
Income before income tax provision 14,882 2,322,291 2,036,547 1,939,069 1,939,069
Loss from foreign currency exchange     (34,515)    
Impairment loss on long- term investment (583) (91,021)  
Gain on bargain purchase $ 684 106,805  
S D V [Member]          
Related Party Transaction [Line Items]          
Revenue from external customers   15,297,402 14,685,172   11,382,408
Intersegment revenue   728,736 711,487  
Total revenue   16,026,138 15,396,659   11,382,408
Purchases   7,246,955 [1] 7,117,127 [2]   4,962,845 [3]
Personnel expenses   2,392,731 [1] 2,240,713 [2]   2,107,744 [3]
R&D expenses   804,612 [1] 722,948 [2]   557,557 [3]
Other costs and expenses   528,416 [4] 762,192 [5]   663,785 [6]
Intersegment costs and expenses   3,758,250 [7] 2,885,792 [8]   317,454 [9]
Total costs and expenses   14,730,964 13,728,772   8,609,385
Segment operating income   1,295,174 1,667,887   2,773,023
L B S [Member]          
Related Party Transaction [Line Items]          
Revenue from external customers   6,411,121 6,168,720   6,046,972
Intersegment revenue   708,523 675,197  
Total revenue   7,119,644 6,843,917   6,046,972
Purchases   2,799,773 [1] 2,763,637 [2]   3,134,693 [3]
Personnel expenses   1,389,956 [1] 1,386,309 [2]   1,348,837 [3]
R&D expenses   526,684 [1] 226,056 [2]   157,897 [3]
Other costs and expenses   193,148 [4] 386,530 [5]   468,784 [6]
Intersegment costs and expenses   1,735,058 [7] 1,542,697 [8]   196,325 [9]
Total costs and expenses   6,644,619 6,305,229   5,306,536
Segment operating income   475,025 538,688   740,436
Other [Member]          
Related Party Transaction [Line Items]          
Revenue from external customers   187,267 [13] 265,412 [14]   87,351 [15]
Intersegment revenue   4,999,853 [13] 3,796,576 [14]   513,779 [15]
Total revenue   5,187,120 [13] 4,061,988 [14]   601,130 [15]
Purchases   937,765 [1],[13] 132,095 [2],[14]   [3],[15]
Personnel expenses   1,623,960 [1],[13] 1,141,557 [2],[14]   854,846 [3],[15]
R&D expenses   205,408 [1],[13] 108,693 [2],[14]   245,486 [3],[15]
Other costs and expenses   474,639 [4],[13] 1,266,854 [5],[14]   798,447 [6],[15]
Intersegment costs and expenses   944,123 [7],[13] 754,610 [8],[14]   [9],[15]
Total costs and expenses   4,185,895 [13] 3,403,809 [14]   1,898,779 [15]
Segment operating income   ¥ 1,001,225 [13] ¥ 658,179 [14]   ¥ (1,297,649) [15]
[1] Represents the significant expense categories and amounts for each reportable operating segment that are regularly provided to the chief operating decision maker.
[2] Represents the significant expense categories and amounts for each reportable operating segment that are regularly provided to the chief operating decision maker.
[3] Represents the significant expense categories and amounts for each reportable operating segment that are regularly provided to the chief operating decision maker.
[4] Other costs and expenses include depreciation and amortization, rental fees, communication costs, and other administrative segment costs and expenses.
[5] Other costs and expenses include depreciation and amortization, rental fees, communication costs, and other administrative segment costs and expenses.
[6] Other costs and expenses include depreciation and amortization, rental fees, communication costs, and other administrative segment costs and expenses.
[7] Intersegment costs and expenses primarily arise from transactions between segments for the provision of software development services, R&D activities, and advertising and promotional services, and are eliminated in consolidation.
[8] Intersegment costs and expenses primarily arise from transactions between segments for the provision of software development services, R&D activities, and advertising and promotional services, and are eliminated in consolidation.
[9] Intersegment costs and expenses primarily arise from transactions between segments for the provision of software development services, R&D activities, and advertising and promotional services, and are eliminated in consolidation.
[10] Comprised primarily of expenses not allocated to reportable segments.
[11] Comprised primarily of expenses not allocated to reportable segments.
[12] Comprised primarily of expenses not allocated to reportable segments.
[13] Revenue and profit or loss from segments below the quantitative thresholds. None of those segments has ever met any of the quantitative thresholds for determining reportable segments.
[14] Revenue and profit or loss from segments below the quantitative thresholds. None of those segments has ever met any of the quantitative thresholds for determining reportable segments.
[15] Revenue and profit or loss from segments below the quantitative thresholds. None of those segments has ever met any of the quantitative thresholds for determining reportable segments.