Income taxes (Details 3) - KRW (₩)
₩ in Thousands |
12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
| Accrued Income [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
₩ (15,876)
|
₩ (54,469)
|
| Changes resulting from business combinations |
|
(603)
|
|
| Increase (decrease) |
|
(30,570)
|
38,593
|
| Ending |
|
(47,049)
|
(15,876)
|
| Short-term financial instruments [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
91,074
|
74,007
|
| Changes resulting from business combinations |
|
19,278
|
|
| Increase (decrease) |
|
14,934
|
17,067
|
| Ending |
|
125,286
|
91,074
|
| Inventory [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
569,966
|
220,559
|
| Changes resulting from business combinations |
|
(23,760)
|
|
| Increase (decrease) |
|
37,008
|
349,407
|
| Ending |
|
583,214
|
569,966
|
| Property and equipment including right-of-use assets [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
(2,052,129)
|
(2,261,920)
|
| Changes resulting from business combinations |
|
(44,226)
|
|
| Increase (decrease) |
|
927,989
|
209,791
|
| Ending |
|
(1,168,366)
|
(2,052,129)
|
| Intangible assets other than goodwill [member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
6,998
|
(10,712)
|
| Changes resulting from business combinations |
|
(129,352)
|
|
| Increase (decrease) |
|
607,864
|
17,710
|
| Exchange Rate Diff |
|
5,427
|
|
| Ending |
|
490,937
|
6,998
|
| Allowance for bad debts [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
395,217
|
267,801
|
| Increase (decrease) |
|
(5,102)
|
127,416
|
| Ending |
|
390,115
|
395,217
|
| Investments in associate and subsidiary [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
[1] |
1,205,749
|
924,522
|
| Changes resulting from business combinations |
[1] |
23,950
|
|
| Increase (decrease) |
[1] |
(1,305,999)
|
281,227
|
| Ending |
[1] |
(76,300)
|
1,205,749
|
| Accrued Expenses [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
(5,291)
|
|
| Changes resulting from business combinations |
|
175,901
|
|
| Increase (decrease) |
|
(65,189)
|
(5,291)
|
| Ending |
|
105,422
|
(5,291)
|
| Lease liabilities [member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
2,246,860
|
2,988,900
|
| Changes resulting from business combinations |
|
26,629
|
|
| Increase (decrease) |
|
(583,844)
|
(742,040)
|
| Ending |
|
1,689,645
|
2,246,860
|
| Provisions [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
175,126
|
192,644
|
| Increase (decrease) |
|
(43,162)
|
(17,518)
|
| Ending |
|
131,964
|
175,126
|
| Investment property [member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
(83,809)
|
(681,506)
|
| Increase (decrease) |
|
(361,321)
|
597,697
|
| Ending |
|
(445,130)
|
(83,809)
|
| Defined Benefit Liabilities [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
117,936
|
143,140
|
| Changes resulting from business combinations |
|
53,066
|
|
| Increase (decrease) |
|
18,445
|
(25,204)
|
| Ending |
|
189,447
|
117,936
|
| Brand [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
(399,157)
|
(676,406)
|
| Increase (decrease) |
|
399,157
|
277,249
|
| Ending |
|
|
(399,157)
|
| Contract assets [member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
|
|
| Changes resulting from business combinations |
|
(60,788)
|
|
| Increase (decrease) |
|
54,869
|
|
| Ending |
|
(5,919)
|
|
| Prepaid Expenses [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
|
|
| Changes resulting from business combinations |
|
(120,089)
|
|
| Increase (decrease) |
|
(79,337)
|
|
| Ending |
|
(199,427)
|
|
| Prepayments [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
|
|
| Changes resulting from business combinations |
|
(55,537)
|
|
| Increase (decrease) |
|
27,876
|
|
| Ending |
|
(27,661)
|
|
| Trade and other payables [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
|
|
| Increase (decrease) |
|
186,815
|
|
| Exchange Rate Diff |
|
3,514
|
|
| Ending |
|
190,330
|
|
| Convertible Notes [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
|
|
| Increase (decrease) |
|
569,322
|
|
| Exchange Rate Diff |
|
10,710
|
|
| Ending |
|
580,031
|
|
| Other [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
57,399
|
|
| Changes resulting from business combinations |
|
812,858
|
|
| Increase (decrease) |
|
768,957
|
|
| Exchange Rate Diff |
|
27,499
|
|
| Ending |
|
1,666,713
|
57,399
|
| Total [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
2,310,064
|
1,177,293
|
| Changes resulting from business combinations |
|
683,358
|
|
| Increase (decrease) |
|
1,147,367
|
1,132,771
|
| Exchange Rate Diff |
|
47,150
|
|
| Ending |
|
4,187,939
|
2,310,064
|
| Loss Carried Forward [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
1,039,258
|
509,696
|
| Changes resulting from business combinations |
|
4,155,051
|
|
| Increase (decrease) |
|
2,546,380
|
529,562
|
| Exchange Rate Diff |
|
134,615
|
|
| Ending |
|
7,875,304
|
1,039,258
|
| Carryover Tax Credit [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
3,118,117
|
4,246,455
|
| Changes resulting from business combinations |
|
346,716
|
|
| Increase (decrease) |
|
150,984
|
(1,128,338)
|
| Ending |
|
3,615,817
|
3,118,117
|
| Unrecognized Deferred Tax Liabilities [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
[1] |
(5,855,583)
|
(6,044,706)
|
| Changes resulting from business combinations |
[1] |
(5,268,632)
|
|
| Increase (decrease) |
[1] |
(3,481,880)
|
189,123
|
| Exchange Rate Diff |
[1] |
(181,764)
|
|
| Ending |
[1] |
(14,787,859)
|
(5,855,583)
|
| Deferred Tax Assets [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
611,857
|
|
| Changes resulting from business combinations |
|
(83,507)
|
|
| Increase (decrease) |
|
362,851
|
|
| Ending |
|
891,201
|
611,857
|
| Others [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
57,400
|
50,733
|
| Increase (decrease) |
|
|
6,667
|
| Ending |
|
|
57,400
|
| Deferred Tax Assets Liabilities [Member] |
|
|
|
| IfrsStatementLineItems [Line Items] |
|
|
|
| Beginning |
|
₩ 611,856
|
(111,262)
|
| Increase (decrease) |
|
|
723,118
|
| Ending |
|
|
₩ 611,856
|
|
|