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 ?????B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??????F??????????I???????????D??????????\B???????T??B?????????B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??B?????B???????N???B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??????F??????????I???????????D??????????\B???????T??B????????? 0011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010001100011111100111111001111110011111100111111001111110011111100111111001111110011111101001001001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101000100001111110011111100111111001111110011111100111111001111110011111100111111001111110101110001000010001111110011111100111111001111110011111100111111001111110101010000111111001111110100001000111111001111110011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010011100011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100011000111111001111110011111100111111001111110011111100111111001111110011111100111111010010010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111010001000011111100111111001111110011111100111111001111110011111100111111001111110011111101011100010000100011111100111111001111110011111100111111001111110011111101010100001111110011111101000010001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f3f3f3f3f463f3f3f3f3f3f3f3f3f3f493f3f3f3f3f3f3f3f3f3f3f443f3f3f3f3f3f3f3f3f3f5c423f3f3f3f3f3f3f543f3f423f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f423f3f3f3f3f3f3f4e3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f3f3f3f3f463f3f3f3f3f3f3f3f3f3f493f3f3f3f3f3f3f3f3f3f3f443f3f3f3f3f3f3f3f3f3f5c423f3f3f3f3f3f3f543f3f423f3f3f3f3f3f3f3f3f
SJIS-WIN ?????B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??????F?宵、??宵、。ュ?I?宵、????????D?宵、召エ?宵、召?\B???????T??B?????????B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??B?????B???????N???B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??????F?宵、??宵、。ュ?I?宵、????????D?宵、召エ?宵、召?\B???????T??B????????? 00111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100011000111111100011111010101010100100001111110011111110001111101010101010010010100001101011010011111101001001001111111000111110101010101001000011111100111111001111110011111100111111001111110011111100111111010001000011111110001111101010101010010010001111101000101011010000111111100011111010101010100100100011111010001000111111010111000100001000111111001111110011111100111111001111110011111100111111010101000011111100111111010000100011111100111111001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101001110001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010001100011111110001111101010101010010000111111001111111000111110101010101001001010000110101101001111110100100100111111100011111010101010100100001111110011111100111111001111110011111100111111001111110011111101000100001111111000111110101010101001001000111110100010101101000011111110001111101010101010010010001111101000100011111101011100010000100011111100111111001111110011111100111111001111110011111101010100001111110011111101000010001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f3f3f3f3f463f8faaa43f3f8faaa4a1ad3f493f8faaa43f3f3f3f3f3f3f3f443f8faaa48fa2b43f8faaa48fa23f5c423f3f3f3f3f3f3f543f3f423f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f423f3f3f3f3f3f3f4e3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f3f3f3f3f463f8faaa43f3f8faaa4a1ad3f493f8faaa43f3f3f3f3f3f3f3f443f8faaa48fa2b43f8faaa48fa23f5c423f3f3f3f3f3f3f543f3f423f3f3f3f3f3f3f3f3f
EUC-JP ?????B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??????F?宵、??宵、。ュ?I?宵、????????D?宵、召エ?宵、召?\B???????T??B?????????B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??B?????B???????N???B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??????F?宵、??宵、。ュ?I?宵、????????D?宵、召エ?宵、召?\B???????T??B????????? 0011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010001100011111110111110101011001000111010100100001111110011111110111110101011001000111010100100100011101010000110001110101011010011111101001001001111111011111010101100100011101010010000111111001111110011111100111111001111110011111100111111001111110100010000111111101111101010110010001110101001001011111010100100100011101011010000111111101111101010110010001110101001001011111010100100001111110101110001000010001111110011111100111111001111110011111100111111001111110101010000111111001111110100001000111111001111110011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010011100011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100011000111111101111101010110010001110101001000011111100111111101111101010110010001110101001001000111010100001100011101010110100111111010010010011111110111110101011001000111010100100001111110011111100111111001111110011111100111111001111110011111101000100001111111011111010101100100011101010010010111110101001001000111010110100001111111011111010101100100011101010010010111110101001000011111101011100010000100011111100111111001111110011111100111111001111110011111101010100001111110011111101000010001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f3f3f3f3f463fbeac8ea43f3fbeac8ea48ea18ead3f493fbeac8ea43f3f3f3f3f3f3f3f443fbeac8ea4bea48eb43fbeac8ea4bea43f5c423f3f3f3f3f3f3f543f3f423f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f423f3f3f3f3f3f3f4e3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f3f3f3f3f463fbeac8ea43f3fbeac8ea48ea18ead3f493fbeac8ea43f3f3f3f3f3f3f3f443fbeac8ea4bea48eb43fbeac8ea4bea43f5c423f3f3f3f3f3f3f543f3f423f3f3f3f3f3f3f3f3f
UTF-8 ?????B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??????F?宵、??宵、。ュ?I?宵、????????D?宵、召エ?宵、召?\B???????T??B?????????B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??B?????B???????N???B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??????F?宵、??宵、。ュ?I?宵、????????D?宵、召エ?宵、召?\B???????T??B????????? 0011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010001100011111111100101101011101011010111101111101111011010010000111111001111111110010110101110101101011110111110111101101001001110111110111101101000011110111110111101101011010011111101001001001111111110010110101110101101011110111110111101101001000011111100111111001111110011111100111111001111110011111100111111010001000011111111100101101011101011010111101111101111011010010011100101100011111010110011101111101111011011010000111111111001011010111010110101111011111011110110100100111001011000111110101100001111110101110001000010001111110011111100111111001111110011111100111111001111110101010000111111001111110100001000111111001111110011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010011100011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100011000111111111001011010111010110101111011111011110110100100001111110011111111100101101011101011010111101111101111011010010011101111101111011010000111101111101111011010110100111111010010010011111111100101101011101011010111101111101111011010010000111111001111110011111100111111001111110011111100111111001111110100010000111111111001011010111010110101111011111011110110100100111001011000111110101100111011111011110110110100001111111110010110101110101101011110111110111101101001001110010110001111101011000011111101011100010000100011111100111111001111110011111100111111001111110011111101010100001111110011111101000010001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f3f3f3f3f463fe5aeb5efbda43f3fe5aeb5efbda4efbda1efbdad3f493fe5aeb5efbda43f3f3f3f3f3f3f3f443fe5aeb5efbda4e58facefbdb43fe5aeb5efbda4e58fac3f5c423f3f3f3f3f3f3f543f3f423f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f423f3f3f3f3f3f3f4e3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f3f3f3f3f463fe5aeb5efbda43f3fe5aeb5efbda4efbda1efbdad3f493fe5aeb5efbda43f3f3f3f3f3f3f3f443fe5aeb5efbda4e58facefbdb43fe5aeb5efbda4e58fac3f5c423f3f3f3f3f3f3f543f3f423f3f3f3f3f3f3f3f3f
UHC ?????B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??????F?宵???宵????I?宵?????????D?宵?召??宵?召?\B???????T??B?????????B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??B?????B???????N???B??????B??B??????B???????B??????B??B??????B???????B??????B??B????????????B??????B??????F?宵???宵????I?宵?????????D?宵?召??宵?召?\B???????T??B????????? 00111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100011000111111111000011011001000111111001111110011111111100001101100100011111100111111001111110011111101001001001111111110000110110010001111110011111100111111001111110011111100111111001111110011111100111111010001000011111111100001101100100011111111100001101011110011111100111111111000011011001000111111111000011010111100111111010111000100001000111111001111110011111100111111001111110011111100111111010101000011111100111111010000100011111100111111001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101001110001111110011111100111111010000100011111100111111001111110011111100111111001111110100001000111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010000100011111100111111010000100011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110100001000111111001111110011111100111111001111110011111101000010001111110011111100111111001111110011111100111111010001100011111111100001101100100011111100111111001111111110000110110010001111110011111100111111001111110100100100111111111000011011001000111111001111110011111100111111001111110011111100111111001111110011111101000100001111111110000110110010001111111110000110101111001111110011111111100001101100100011111111100001101011110011111101011100010000100011111100111111001111110011111100111111001111110011111101010100001111110011111101000010001111110011111100111111001111110011111100111111001111110011111100111111 3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f3f3f3f3f463fe1b23f3f3fe1b23f3f3f3f493fe1b23f3f3f3f3f3f3f3f3f443fe1b23fe1af3f3fe1b23fe1af3f5c423f3f3f3f3f3f3f543f3f423f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f423f3f3f3f3f3f3f4e3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f423f3f3f3f3f3f3f423f3f3f3f3f3f423f3f423f3f3f3f3f3f3f3f3f3f3f3f423f3f3f3f3f3f423f3f3f3f3f3f463fe1b23f3f3fe1b23f3f3f3f493fe1b23f3f3f3f3f3f3f3f3f443fe1b23fe1af3f3fe1b23fe1af3f5c423f3f3f3f3f3f3f543f3f423f3f3f3f3f3f3f3f3f

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。