SSL Error: ALERT_HANDSHAKE_FAILURE

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number: 1 (0x1)
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=JP, ST=Tokyo, L=Default City, CN=kensho.shiken-kanri.retio.or.jp
        Validity
            Not Before: May 12 05:51:21 2023 GMT
            Not After : Jun 12 05:51:21 2024 GMT
        Subject: C=JP, ST=Tokyo, CN=kensho.shiken-kanri.retio.or.jp
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:b3:5f:b5:27:22:5f:65:3d:c8:c4:aa:99:2a:31:
                    a5:94:5e:7e:85:67:14:b0:bd:28:24:e4:8d:f3:6e:
                    19:fb:88:0a:f7:82:54:3f:df:97:50:fd:0f:6e:1a:
                    f4:70:32:b9:0a:1d:e5:64:bf:9a:1e:62:43:c5:f3:
                    34:95:ca:7b:56:32:8b:cd:9b:e0:c6:af:d9:1f:a3:
                    75:ee:e4:23:c7:f1:15:60:37:d8:4f:3b:82:19:ca:
                    be:10:6e:af:06:b6:61:75:0f:84:41:61:2c:30:23:
                    1c:5b:97:45:2f:5d:8a:11:ef:07:be:a8:ce:44:45:
                    d2:e5:ac:23:85:66:2f:b5:58:ec:1d:f5:ff:83:21:
                    aa:d6:67:14:9f:13:f1:a9:f1:b7:6b:29:d1:4d:00:
                    92:56:5a:87:72:f5:14:fb:fc:4c:e7:4f:b0:fb:46:
                    9c:76:7b:a5:75:dc:ee:a7:59:1d:88:24:46:c9:83:
                    09:c3:77:d7:63:d8:21:96:34:b5:06:34:03:ea:e7:
                    db:02:09:c1:f8:6e:e1:20:36:78:82:30:39:dc:5c:
                    88:b5:34:61:52:0b:80:9e:ba:82:f6:6d:5c:ad:93:
                    e6:c1:7f:e1:ab:e9:37:98:b5:54:4f:42:ba:24:3d:
                    04:af:58:d1:02:90:38:ee:b8:18:b1:ea:38:13:8b:
                    ec:5d
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:TRUE
            Netscape Cert Type: 
                SSL Server
            Netscape Comment: 
                OpenSSL Generated Certificate
            X509v3 Subject Key Identifier: 
                53:DE:21:0E:5F:34:81:02:46:AF:A4:F8:91:AD:F7:30:D4:3B:1C:FA
            X509v3 Authority Key Identifier: 
                5D:76:8B:D3:CC:AF:D6:7B:B8:05:DC:05:6F:FF:C6:93:9C:EF:3A:50
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        33:74:0c:fb:d9:b9:fd:ad:4f:d6:90:80:8b:ec:7c:b1:f7:d2:
        89:e0:c7:2d:56:7e:eb:bd:05:d1:19:77:20:13:1f:6c:ae:bd:
        85:6d:07:e1:ba:bd:49:df:f7:39:cd:e4:2a:a0:3b:bf:54:e4:
        ff:7c:de:67:c7:5e:29:c3:18:14:57:55:4e:81:91:1b:bb:55:
        c2:71:8c:8e:8a:9c:6d:68:50:71:e4:19:d5:05:2f:a7:b8:e1:
        85:28:54:68:50:5a:9b:db:f4:15:64:7e:1d:78:36:4c:d1:e0:
        60:76:09:57:ad:38:c7:90:b3:46:97:26:ac:13:1d:80:97:5e:
        20:cb:86:9f:e3:9c:18:ba:f5:43:b2:1f:75:66:88:a4:cf:fe:
        30:8d:c5:b7:39:b5:b8:61:b5:e5:f5:9a:d7:49:6d:a3:8c:d4:
        80:4d:c3:20:73:82:10:67:d1:6a:9f:19:6d:60:7d:b0:23:ce:
        b4:bb:8d:b9:c3:83:13:0f:49:62:c6:be:8d:ac:ff:cb:c8:98:
        ac:5f:97:ab:f3:90:ec:ab:11:da:9f:70:b5:83:97:b5:54:8d:
        07:b0:3b:ae:26:fd:2a:f6:3b:50:b5:14:5a:11:8c:1c:b4:ad:
        1c:c5:17:a4:48:41:d1:a4:7f:69:fa:a7:62:79:a5:db:d6:2a:
        19:ac:21:ff