ある文字が,文字コードごとにどんなビット列に対応するか

1文字あるいは短い文字列を入力し、「変換」ボタンをクリックしてください。


(UTF-8)
文字コード 文字 ビット列(2進表現) ビット列(16進表現)
ISO-8859-1 ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????N?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? 0011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100111000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
SJIS-WIN ?????弱?????厓э?????????????????弱?????厓э?????????????????弱?????厓э???????????????????弱?????厓э???????????弱?????厓э???????????弱?????厓э?????????????????弱?????厓э?????????????????弱?????厓э???????????????????弱?????厓э??????????????N???弱?????厓э?????????????????弱?????厓э?????????????????弱?????厓э???????????????????弱?????厓э???????????弱?????厓э??????????? 0011111100111111001111110011111100111111100011101110001100111111001111110011111100111111001111111111101010001101100001001000111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111000111011100011001111110011111100111111001111110011111111111010100011011000010010001111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110001110111000110011111100111111001111110011111100111111111110101000110110000100100011110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110001110111000110011111100111111001111110011111100111111111110101000110110000100100011110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111100011101110001100111111001111110011111100111111001111111111101010001101100001001000111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111000111011100011001111110011111100111111001111110011111111111010100011011000010010001111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110001110111000110011111100111111001111110011111100111111111110101000110110000100100011110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111100011101110001100111111001111110011111100111111001111111111101010001101100001001000111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111100011101110001100111111001111110011111100111111001111111111101010001101100001001000111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100111000111111001111110011111110001110111000110011111100111111001111110011111100111111111110101000110110000100100011110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111100011101110001100111111001111110011111100111111001111111111101010001101100001001000111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111000111011100011001111110011111100111111001111110011111111111010100011011000010010001111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111000111011100011001111110011111100111111001111110011111111111010100011011000010010001111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110001110111000110011111100111111001111110011111100111111111110101000110110000100100011110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f8ee33f3f3f3f3ffa8d848f3f3f3f3f3f3f3f3f3f3f3f
EUC-JP ?????弱?????厓э?????????????????弱?????厓э?????????????????弱?????厓э???????????????????弱?????厓э???????????弱?????厓э???????????弱?????厓э?????????????????弱?????厓э?????????????????弱?????厓э???????????????????弱?????厓э??????????????N???弱?????厓э?????????????????弱?????厓э?????????????????弱?????厓э???????????????????弱?????厓э???????????弱?????厓э??????????? 00111111001111110011111100111111001111111011110011100101001111110011111100111111001111110011111110001111101101001100011110100111111011110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111101111001110010100111111001111110011111100111111001111111000111110110100110001111010011111101111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110111100111001010011111100111111001111110011111100111111100011111011010011000111101001111110111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111101111001110010100111111001111110011111100111111001111111000111110110100110001111010011111101111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110111100111001010011111100111111001111110011111100111111100011111011010011000111101001111110111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111011110011100101001111110011111100111111001111110011111110001111101101001100011110100111111011110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111101111001110010100111111001111110011111100111111001111111000111110110100110001111010011111101111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110111100111001010011111100111111001111110011111100111111100011111011010011000111101001111110111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111101111001110010100111111001111110011111100111111001111111000111110110100110001111010011111101111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101001110001111110011111100111111101111001110010100111111001111110011111100111111001111111000111110110100110001111010011111101111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110111100111001010011111100111111001111110011111100111111100011111011010011000111101001111110111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111011110011100101001111110011111100111111001111110011111110001111101101001100011110100111111011110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110111100111001010011111100111111001111110011111100111111100011111011010011000111101001111110111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111011110011100101001111110011111100111111001111110011111110001111101101001100011110100111111011110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3fbce53f3f3f3f3f8fb4c7a7ef3f3f3f3f3f3f3f3f3f3f3f
UTF-8 ?????弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈??????????????????弱놅쉽???厓э슈??????????弱놅쉽???厓э슈??????????弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈??????????????????弱놅쉽???厓э슈?????????????N???弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈??????????????????弱놅쉽???厓э슈??????????弱놅쉽???厓э슈?????????? 001111110011111100111111001111110011111111100101101111001011000111101011100001101000010111101100100010011011110100111111001111110011111111100101100011101001001111010001100011011110110010001010100010000011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111111100101101111001011000111101011100001101000010111101100100010011011110100111111001111110011111111100101100011101001001111010001100011011110110010001010100010000011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111111100101101111001011000111101011100001101000010111101100100010011011110100111111001111110011111111100101100011101001001111010001100011011110110010001010100010000011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111110010110111100101100011110101110000110100001011110110010001001101111010011111100111111001111111110010110001110100100111101000110001101111011001000101010001000001111110011111100111111001111110011111100111111001111110011111100111111001111111110010110111100101100011110101110000110100001011110110010001001101111010011111100111111001111111110010110001110100100111101000110001101111011001000101010001000001111110011111100111111001111110011111100111111001111110011111100111111001111111110010110111100101100011110101110000110100001011110110010001001101111010011111100111111001111111110010110001110100100111101000110001101111011001000101010001000001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111110010110111100101100011110101110000110100001011110110010001001101111010011111100111111001111111110010110001110100100111101000110001101111011001000101010001000001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111110010110111100101100011110101110000110100001011110110010001001101111010011111100111111001111111110010110001110100100111101000110001101111011001000101010001000001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111111001011011110010110001111010111000011010000101111011001000100110111101001111110011111100111111111001011000111010010011110100011000110111101100100010101000100000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111010011100011111100111111001111111110010110111100101100011110101110000110100001011110110010001001101111010011111100111111001111111110010110001110100100111101000110001101111011001000101010001000001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111110010110111100101100011110101110000110100001011110110010001001101111010011111100111111001111111110010110001110100100111101000110001101111011001000101010001000001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111110010110111100101100011110101110000110100001011110110010001001101111010011111100111111001111111110010110001110100100111101000110001101111011001000101010001000001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111111001011011110010110001111010111000011010000101111011001000100110111101001111110011111100111111111001011000111010010011110100011000110111101100100010101000100000111111001111110011111100111111001111110011111100111111001111110011111100111111111001011011110010110001111010111000011010000101111011001000100110111101001111110011111100111111111001011000111010010011110100011000110111101100100010101000100000111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3fe5bcb1eb8685ec89bd3f3f3fe58e93d18dec8a883f3f3f3f3f3f3f3f3f3f
UHC ?????弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈??????????????????弱놅쉽???厓э슈??????????弱놅쉽???厓э슈??????????弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈??????????????????弱놅쉽???厓э슈?????????????N???弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈????????????????弱놅쉽???厓э슈??????????????????弱놅쉽???厓э슈??????????弱놅쉽???厓э슈?????????? 0011111100111111001111110011111100111111111001011011000010000110111011111011110110110001001111110011111100111111111001001110110110101100111011111011110110110100001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111110010110110000100001101110111110111101101100010011111100111111001111111110010011101101101011001110111110111101101101000011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111111100101101100001000011011101111101111011011000100111111001111110011111111100100111011011010110011101111101111011011010000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111111100101101100001000011011101111101111011011000100111111001111110011111111100100111011011010110011101111101111011011010000111111001111110011111100111111001111110011111100111111001111110011111100111111111001011011000010000110111011111011110110110001001111110011111100111111111001001110110110101100111011111011110110110100001111110011111100111111001111110011111100111111001111110011111100111111001111111110010110110000100001101110111110111101101100010011111100111111001111111110010011101101101011001110111110111101101101000011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111111100101101100001000011011101111101111011011000100111111001111110011111111100100111011011010110011101111101111011011010000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111111001011011000010000110111011111011110110110001001111110011111100111111111001001110110110101100111011111011110110110100001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111111001011011000010000110111011111011110110110001001111110011111100111111111001001110110110101100111011111011110110110100001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100111000111111001111110011111111100101101100001000011011101111101111011011000100111111001111110011111111100100111011011010110011101111101111011011010000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111111001011011000010000110111011111011110110110001001111110011111100111111111001001110110110101100111011111011110110110100001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111110010110110000100001101110111110111101101100010011111100111111001111111110010011101101101011001110111110111101101101000011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111110010110110000100001101110111110111101101100010011111100111111001111111110010011101101101011001110111110111101101101000011111100111111001111110011111100111111001111110011111100111111001111110011111111100101101100001000011011101111101111011011000100111111001111110011111111100100111011011010110011101111101111011011010000111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3fe5b086efbdb13f3f3fe4edacefbdb43f3f3f3f3f3f3f3f3f3f

SJIS-Win,EUC-JP: Windows(SJIS-Win=CP932)、UNIX(EUC-JP)で日本語扱うための文字コード。