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 ???????????????????????????????????????????????????????????????????????????????????????????隱ー驕懆鳩隱ー驕憺??隱ー驕懆∮隱ー莉????????????隱ー驕懆鳩隱ー驕憺??隱ー驕懆∮隱ー莉?????????????隱ー驕懆鳩隱ー驕憺??隱ー驕懆∮隱ー莉??????????????????????????????????????????????????????????? 00111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111111010011001101010110001111011111011110110110000111010011010100110010101111001101000011110000110111010011011001110101001111010011001101010110001111011111011110110110000111010011010100110010101111001101000011010111010001111110011111111101001100110101011000111101111101111011011000011101001101010011001010111100110100001111000011011100010100010001010111011101001100110101011000111101111101111011011000011101000100011101000100100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111111101001100110101011000111101111101111011011000011101001101010011001010111100110100001111000011011101001101100111010100111101001100110101011000111101111101111011011000011101001101010011001010111100110100001101011101000111111001111111110100110011010101100011110111110111101101100001110100110101001100101011110011010000111100001101110001010001000101011101110100110011010101100011110111110111101101100001110100010001110100010010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111111101001100110101011000111101111101111011011000011101001101010011001010111100110100001111000011011101001101100111010100111101001100110101011000111101111101111011011000011101001101010011001010111100110100001101011101000111111001111111110100110011010101100011110111110111101101100001110100110101001100101011110011010000111100001101110001010001000101011101110100110011010101100011110111110111101101100001110100010001110100010010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe99ab1efbdb0e9a995e68786e9b3a9e99ab1efbdb0e9a995e686ba3f3fe99ab1efbdb0e9a995e68786e288aee99ab1efbdb0e88e893f3f3f3f3f3f3f3f3f3f3f3fe99ab1efbdb0e9a995e68786e9b3a9e99ab1efbdb0e9a995e686ba3f3fe99ab1efbdb0e9a995e68786e288aee99ab1efbdb0e88e893f3f3f3f3f3f3f3f3f3f3f3f3fe99ab1efbdb0e9a995e68786e9b3a9e99ab1efbdb0e9a995e686ba3f3fe99ab1efbdb0e9a995e68786e288aee99ab1efbdb0e88e893f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
SJIS-WIN ?????????????????????????????????????????????????????????????????????????????????????????????±??°???????????±??°??????????±??°???????????±??°?????????????????±??°???????????±??°??????????±??°???????????±??°??????????????????±??°???????????±??°??????????±??°???????????±??°?????????????????????????????????????????????????????????????? 00111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110000001011111010011111100111111100000011000101100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111000000101111101001111110011111110000001100010110011111100111111001111110011111100111111001111110011111100111111001111110011111110000001011111010011111100111111100000011000101100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111000000101111101001111110011111110000001100010110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111100000010111110100111111001111111000000110001011001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110000001011111010011111100111111100000011000101100111111001111110011111100111111001111110011111100111111001111110011111100111111100000010111110100111111001111111000000110001011001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110000001011111010011111100111111100000011000101100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110000001011111010011111100111111100000011000101100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111000000101111101001111110011111110000001100010110011111100111111001111110011111100111111001111110011111100111111001111110011111110000001011111010011111100111111100000011000101100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111000000101111101001111110011111110000001100010110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f3f817d3f3f818b3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
EUC-JP ???????????????????????????????????????????????????????????????????????????????????????????é?±ï?°é©?æ??é?©é?±ï?°é©?æ?º??é?±ï?°é©?æ??â?®é?±ï?°è??????????????é?±ï?°é©?æ??é?©é?±ï?°é©?æ?º??é?±ï?°é©?æ??â?®é?±ï?°è???????????????é?±ï?°é©?æ??é?©é?±ï?°é©?æ?º??é?±ï?°é©?æ??â?®é?±ï?°è????????????????????????????????????????????????????????????? 00111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111100011111010101110110001001111111010000111011110100011111010101111000001001111111010000111101011100011111010101110110001100011111010001011101101001111111000111110101001110000010011111100111111100011111010101110110001001111111000111110100010111011011000111110101011101100010011111110100001110111101000111110101011110000010011111110100001111010111000111110101011101100011000111110100010111011010011111110001111101010011100000100111111100011111010001011101011001111110011111110001111101010111011000100111111101000011101111010001111101010111100000100111111101000011110101110001111101010111011000110001111101000101110110100111111100011111010100111000001001111110011111110001111101010111010010000111111100011111010001011101110100011111010101110110001001111111010000111011110100011111010101111000001001111111010000111101011100011111010101110110010001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110001111101010111011000100111111101000011101111010001111101010111100000100111111101000011110101110001111101010111011000110001111101000101110110100111111100011111010100111000001001111110011111110001111101010111011000100111111100011111010001011101101100011111010101110110001001111111010000111011110100011111010101111000001001111111010000111101011100011111010101110110001100011111010001011101101001111111000111110101001110000010011111110001111101000101110101100111111001111111000111110101011101100010011111110100001110111101000111110101011110000010011111110100001111010111000111110101011101100011000111110100010111011010011111110001111101010011100000100111111001111111000111110101011101001000011111110001111101000101110111010001111101010111011000100111111101000011101111010001111101010111100000100111111101000011110101110001111101010111011001000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110001111101010111011000100111111101000011101111010001111101010111100000100111111101000011110101110001111101010111011000110001111101000101110110100111111100011111010100111000001001111110011111110001111101010111011000100111111100011111010001011101101100011111010101110110001001111111010000111011110100011111010101111000001001111111010000111101011100011111010101110110001100011111010001011101101001111111000111110101001110000010011111110001111101000101110101100111111001111111000111110101011101100010011111110100001110111101000111110101011110000010011111110100001111010111000111110101011101100011000111110100010111011010011111110001111101010011100000100111111001111111000111110101011101001000011111110001111101000101110111010001111101010111011000100111111101000011101111010001111101010111100000100111111101000011110101110001111101010111011001000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8fabb13fa1de8fabc13fa1eb8fabb18fa2ed3f8fa9c13f3f8fabb13f8fa2ed8fabb13fa1de8fabc13fa1eb8fabb18fa2ed3f8fa9c13f8fa2eb3f3f8fabb13fa1de8fabc13fa1eb8fabb18fa2ed3f8fa9c13f3f8faba43f8fa2ee8fabb13fa1de8fabc13fa1eb8fabb23f3f3f3f3f3f3f3f3f3f3f3f3f3f8fabb13fa1de8fabc13fa1eb8fabb18fa2ed3f8fa9c13f3f8fabb13f8fa2ed8fabb13fa1de8fabc13fa1eb8fabb18fa2ed3f8fa9c13f8fa2eb3f3f8fabb13fa1de8fabc13fa1eb8fabb18fa2ed3f8fa9c13f3f8faba43f8fa2ee8fabb13fa1de8fabc13fa1eb8fabb23f3f3f3f3f3f3f3f3f3f3f3f3f3f3f8fabb13fa1de8fabc13fa1eb8fabb18fa2ed3f8fa9c13f3f8fabb13f8fa2ed8fabb13fa1de8fabc13fa1eb8fabb18fa2ed3f8fa9c13f8fa2eb3f3f8fabb13fa1de8fabc13fa1eb8fabb18fa2ed3f8fa9c13f3f8faba43f8fa2ee8fabb13fa1de8fabc13fa1eb8fabb23f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
UTF-8 ???????????????????????????????????????????????????????????????????????????????????????????隱ー驕懆鳩隱ー驕憺??隱ー驕懆∮隱ー莉????????????隱ー驕懆鳩隱ー驕憺??隱ー驕懆∮隱ー莉?????????????隱ー驕懆鳩隱ー驕憺??隱ー驕懆∮隱ー莉??????????????????????????????????????????????????????????? 00111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111110000111010100111000010100110101100001010110001110000111010111111000010101111011100001010110000110000111010100111000010101010011100001010010101110000111010011011000010100001111100001010000110110000111010100111000010101100111100001010101001110000111010100111000010100110101100001010110001110000111010111111000010101111011100001010110000110000111010100111000010101010011100001010010101110000111010011011000010100001101100001010111010001111110011111111000011101010011100001010011010110000101011000111000011101011111100001010111101110000101011000011000011101010011100001010101001110000101001010111000011101001101100001010000111110000101000011011000011101000101100001010001000110000101010111011000011101010011100001010011010110000101011000111000011101011111100001010111101110000101011000011000011101010001100001010001110110000101000100100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111111000011101010011100001010011010110000101011000111000011101011111100001010111101110000101011000011000011101010011100001010101001110000101001010111000011101001101100001010000111110000101000011011000011101010011100001010110011110000101010100111000011101010011100001010011010110000101011000111000011101011111100001010111101110000101011000011000011101010011100001010101001110000101001010111000011101001101100001010000110110000101011101000111111001111111100001110101001110000101001101011000010101100011100001110101111110000101011110111000010101100001100001110101001110000101010100111000010100101011100001110100110110000101000011111000010100001101100001110100010110000101000100011000010101011101100001110101001110000101001101011000010101100011100001110101111110000101011110111000010101100001100001110101000110000101000111011000010100010010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111111000011101010011100001010011010110000101011000111000011101011111100001010111101110000101011000011000011101010011100001010101001110000101001010111000011101001101100001010000111110000101000011011000011101010011100001010110011110000101010100111000011101010011100001010011010110000101011000111000011101011111100001010111101110000101011000011000011101010011100001010101001110000101001010111000011101001101100001010000110110000101011101000111111001111111100001110101001110000101001101011000010101100011100001110101111110000101011110111000010101100001100001110101001110000101010100111000010100101011100001110100110110000101000011111000010100001101100001110100010110000101000100011000010101011101100001110101001110000101001101011000010101100011100001110101111110000101011110111000010101100001100001110101000110000101000111011000010100010010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fc3a9c29ac2b1c3afc2bdc2b0c3a9c2a9c295c3a6c287c286c3a9c2b3c2a9c3a9c29ac2b1c3afc2bdc2b0c3a9c2a9c295c3a6c286c2ba3f3fc3a9c29ac2b1c3afc2bdc2b0c3a9c2a9c295c3a6c287c286c3a2c288c2aec3a9c29ac2b1c3afc2bdc2b0c3a8c28ec2893f3f3f3f3f3f3f3f3f3f3f3fc3a9c29ac2b1c3afc2bdc2b0c3a9c2a9c295c3a6c287c286c3a9c2b3c2a9c3a9c29ac2b1c3afc2bdc2b0c3a9c2a9c295c3a6c286c2ba3f3fc3a9c29ac2b1c3afc2bdc2b0c3a9c2a9c295c3a6c287c286c3a2c288c2aec3a9c29ac2b1c3afc2bdc2b0c3a8c28ec2893f3f3f3f3f3f3f3f3f3f3f3f3fc3a9c29ac2b1c3afc2bdc2b0c3a9c2a9c295c3a6c287c286c3a9c2b3c2a9c3a9c29ac2b1c3afc2bdc2b0c3a9c2a9c295c3a6c286c2ba3f3fc3a9c29ac2b1c3afc2bdc2b0c3a9c2a9c295c3a6c287c286c3a2c288c2aec3a9c29ac2b1c3afc2bdc2b0c3a8c28ec2893f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f
UHC ?????????????????????????????????????????????????????????????????????????????????????????????±?½°???æ???³???±?½°???æ?º????±?½°???æ????®??±?½°?????????????????±?½°???æ???³???±?½°???æ?º????±?½°???æ????®??±?½°??????????????????±?½°???æ???³???±?½°???æ?º????±?½°???æ????®??±?½°?????????????????????????????????????????????????????????????? 00111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111110100001101111100011111110101000111101101010000111000110001111110011111100111111101010011010000100111111001111110011111110101001111110000011111100111111001111111010000110111110001111111010100011110110101000011100011000111111001111110011111110101001101000010011111110101000101011000011111100111111001111110011111110100001101111100011111110101000111101101010000111000110001111110011111100111111101010011010000100111111001111110011111100111111101000101110011100111111001111111010000110111110001111111010100011110110101000011100011000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111010000110111110001111111010100011110110101000011100011000111111001111110011111110101001101000010011111100111111001111111010100111111000001111110011111100111111101000011011111000111111101010001111011010100001110001100011111100111111001111111010100110100001001111111010100010101100001111110011111100111111001111111010000110111110001111111010100011110110101000011100011000111111001111110011111110101001101000010011111100111111001111110011111110100010111001110011111100111111101000011011111000111111101010001111011010100001110001100011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111010000110111110001111111010100011110110101000011100011000111111001111110011111110101001101000010011111100111111001111111010100111111000001111110011111100111111101000011011111000111111101010001111011010100001110001100011111100111111001111111010100110100001001111111010100010101100001111110011111100111111001111111010000110111110001111111010100011110110101000011100011000111111001111110011111110101001101000010011111100111111001111110011111110100010111001110011111100111111101000011011111000111111101010001111011010100001110001100011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fa1be3fa8f6a1c63f3f3fa9a13f3f3fa9f83f3f3fa1be3fa8f6a1c63f3f3fa9a13fa8ac3f3f3f3fa1be3fa8f6a1c63f3f3fa9a13f3f3f3fa2e73f3fa1be3fa8f6a1c63f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fa1be3fa8f6a1c63f3f3fa9a13f3f3fa9f83f3f3fa1be3fa8f6a1c63f3f3fa9a13fa8ac3f3f3f3fa1be3fa8f6a1c63f3f3fa9a13f3f3f3fa2e73f3fa1be3fa8f6a1c63f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fa1be3fa8f6a1c63f3f3fa9a13f3f3fa9f83f3f3fa1be3fa8f6a1c63f3f3fa9a13fa8ac3f3f3f3fa1be3fa8f6a1c63f3f3fa9a13f3f3f3fa2e73f3fa1be3fa8f6a1c63f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f

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。