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 ???????U????U???????????????W?????U????U???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????N?????U????U???????????????W??? 0011111100111111001111110011111100111111001111110011111101010101001111110011111100111111001111110101010100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101010111001111110011111100111111001111110011111101010101001111110011111100111111001111110101010100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101001110001111110011111100111111001111110011111101010101001111110011111100111111001111110101010100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101010111001111110011111100111111 3f3f3f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f573f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f573f3f3f
SJIS-WIN ???????U????U???????????????W?????U????U????????????????????????鐔享鐔雁減鐔拐???鐔翫?莠???????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐??????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐????鐔享鐔雁減鐔拐????鐔球冠鐔?孝???鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐????????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐??????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐???????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐?????????N?????U????U???????????????W??? 00111111001111110011111100111111001111110011111100111111010101010011111100111111001111110011111101010101001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111010101110011111100111111001111110011111100111111010101010011111100111111001111110011111101010101001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111111010000101110010001011100111011110100001011100100010101110010110001100101110001110100001011100100010011111101100111111001111110011111111101000010111001000101011100011001111111110010010111010001111110011111100111111001111110011111100111111001111111110100001011100100010111001110111101000010111001000101011100101100011001011100011101000010111001000100111111011001111110011111100111111001111110011111111101000010111001000101110011101111010000101110010001010111001011000110010111000111010000101110010001001111110110011111100111111001111110011111100111111001111111110100001011100100010111001110111101000010111001000101011100101100011001011100011101000010111001000100111111011001111110011111100111111001111110011111111101000010111001000101110011101111010000101110010001010111001011000110010111000111010000101110010001001111110110011111100111111001111110011111100111111111010000101110010001011100111011110100001011100100010101110010110001100101110001110100001011100100010011111101100111111001111110011111100111111111010000101110010001011100111011110100001011100100010101110010110001100101110001110100001011100100010011111101100111111001111110011111100111111111010000101110010001011100001011000101010100101111010000101110000111111100011010100011000111111001111110011111111101000010111001000101110011101111010000101110010001010111001011000110010111000111010000101110010001001111110110011111100111111001111110011111100111111111010000101110010001011100111011110100001011100100010101110010110001100101110001110100001011100100010011111101100111111001111110011111100111111001111110011111100111111001111111110100001011100100010111001110111101000010111001000101011100101100011001011100011101000010111001000100111111011001111110011111100111111001111110011111111101000010111001000101110011101111010000101110010001010111001011000110010111000111010000101110010001001111110110011111100111111001111110011111100111111001111111110100001011100100010111001110111101000010111001000101011100101100011001011100011101000010111001000100111111011001111110011111100111111001111110011111111101000010111001000101110011101111010000101110010001010111001011000110010111000111010000101110010001001111110110011111100111111001111110011111100111111001111110011111111101000010111001000101110011101111010000101110010001010111001011000110010111000111010000101110010001001111110110011111100111111001111110011111100111111111010000101110010001011100111011110100001011100100010101110010110001100101110001110100001011100100010011111101100111111001111110011111100111111001111110011111100111111001111110011111101001110001111110011111100111111001111110011111101010101001111110011111100111111001111110101010100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101010111001111110011111100111111 3f3f3f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f573f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3fe85c8ae33fe4ba3f3f3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3fe85c8b858aa5e85c3f8d463f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3fe85c8b9de85c8ae58cb8e85c89fb3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f573f3f3f
EUC-JP ???????U????U???????????????W?????U????U????????????????????????鐔享鐔雁減鐔拐???鐔翫?莠???????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐??????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐????鐔享鐔雁減鐔拐????鐔球冠鐔?孝???鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐????????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐??????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐???????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐?????????N?????U????U???????????????W??? 00111111001111110011111100111111001111110011111100111111010101010011111100111111001111110011111101010101001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111010101110011111100111111001111110011111100111111010101010011111100111111001111110011111101010101001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111111011111011110110110101111111011110111110111101101101001110011110111000101110101110111110111101101100101111110100111111001111110011111111101111101111011011010011100101001111111110100010111100001111110011111100111111001111110011111100111111001111111110111110111101101101011111110111101111101111011011010011100111101110001011101011101111101111011011001011111101001111110011111100111111001111110011111111101111101111011011010111111101111011111011110110110100111001111011100010111010111011111011110110110010111111010011111100111111001111110011111100111111001111111110111110111101101101011111110111101111101111011011010011100111101110001011101011101111101111011011001011111101001111110011111100111111001111110011111111101111101111011011010111111101111011111011110110110100111001111011100010111010111011111011110110110010111111010011111100111111001111110011111100111111111011111011110110110101111111011110111110111101101101001110011110111000101110101110111110111101101100101111110100111111001111110011111100111111111011111011110110110101111111011110111110111101101101001110011110111000101110101110111110111101101100101111110100111111001111110011111100111111111011111011110110110101111001011011010010100111111011111011110100111111101110011010011100111111001111110011111111101111101111011011010111111101111011111011110110110100111001111011100010111010111011111011110110110010111111010011111100111111001111110011111100111111111011111011110110110101111111011110111110111101101101001110011110111000101110101110111110111101101100101111110100111111001111110011111100111111001111110011111100111111001111111110111110111101101101011111110111101111101111011011010011100111101110001011101011101111101111011011001011111101001111110011111100111111001111110011111111101111101111011011010111111101111011111011110110110100111001111011100010111010111011111011110110110010111111010011111100111111001111110011111100111111001111111110111110111101101101011111110111101111101111011011010011100111101110001011101011101111101111011011001011111101001111110011111100111111001111110011111111101111101111011011010111111101111011111011110110110100111001111011100010111010111011111011110110110010111111010011111100111111001111110011111100111111001111110011111111101111101111011011010111111101111011111011110110110100111001111011100010111010111011111011110110110010111111010011111100111111001111110011111100111111111011111011110110110101111111011110111110111101101101001110011110111000101110101110111110111101101100101111110100111111001111110011111100111111001111110011111100111111001111110011111101001110001111110011111100111111001111110011111101010101001111110011111100111111001111110101010100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101010111001111110011111100111111 3f3f3f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f573f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3fefbdb4e53fe8bc3f3f3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3fefbdb5e5b4a7efbd3fb9a73f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3fefbdb5fdefbdb4e7b8baefbdb2fd3f3f3f3f3f3f3f3f3f4e3f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f573f3f3f
UTF-8 ???????U????U???????????????W?????U????U????????????????????????鐔享鐔雁減鐔拐???鐔翫?莠???????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐??????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐????鐔享鐔雁減鐔拐????鐔球冠鐔?孝???鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐????????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐??????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐???????鐔享鐔雁減鐔拐?????鐔享鐔雁減鐔拐?????????N?????U????U???????????????W??? 001111110011111100111111001111110011111100111111001111110101010100111111001111110011111100111111010101010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110101011100111111001111110011111100111111001111110101010100111111001111110011111100111111010101010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111111110100110010000100101001110010010111010101010111110100110010000100101001110100110011011100000011110011010111000100110111110100110010000100101001110011010001011100100000011111100111111001111111110100110010000100101001110011110111111101010110011111111101000100011101010000000111111001111110011111100111111001111110011111100111111111010011001000010010100111001001011101010101011111010011001000010010100111010011001101110000001111001101011100010011011111010011001000010010100111001101000101110010000001111110011111100111111001111110011111111101001100100001001010011100100101110101010101111101001100100001001010011101001100110111000000111100110101110001001101111101001100100001001010011100110100010111001000000111111001111110011111100111111001111110011111111101001100100001001010011100100101110101010101111101001100100001001010011101001100110111000000111100110101110001001101111101001100100001001010011100110100010111001000000111111001111110011111100111111001111111110100110010000100101001110010010111010101010111110100110010000100101001110100110011011100000011110011010111000100110111110100110010000100101001110011010001011100100000011111100111111001111110011111100111111111010011001000010010100111001001011101010101011111010011001000010010100111010011001101110000001111001101011100010011011111010011001000010010100111001101000101110010000001111110011111100111111001111111110100110010000100101001110010010111010101010111110100110010000100101001110100110011011100000011110011010111000100110111110100110010000100101001110011010001011100100000011111100111111001111110011111111101001100100001001010011100111100100001000001111100101100001101010000011101001100100001001010000111111111001011010110110011101001111110011111100111111111010011001000010010100111001001011101010101011111010011001000010010100111010011001101110000001111001101011100010011011111010011001000010010100111001101000101110010000001111110011111100111111001111110011111111101001100100001001010011100100101110101010101111101001100100001001010011101001100110111000000111100110101110001001101111101001100100001001010011100110100010111001000000111111001111110011111100111111001111110011111100111111001111111110100110010000100101001110010010111010101010111110100110010000100101001110100110011011100000011110011010111000100110111110100110010000100101001110011010001011100100000011111100111111001111110011111100111111111010011001000010010100111001001011101010101011111010011001000010010100111010011001101110000001111001101011100010011011111010011001000010010100111001101000101110010000001111110011111100111111001111110011111100111111111010011001000010010100111001001011101010101011111010011001000010010100111010011001101110000001111001101011100010011011111010011001000010010100111001101000101110010000001111110011111100111111001111110011111111101001100100001001010011100100101110101010101111101001100100001001010011101001100110111000000111100110101110001001101111101001100100001001010011100110100010111001000000111111001111110011111100111111001111110011111100111111111010011001000010010100111001001011101010101011111010011001000010010100111010011001101110000001111001101011100010011011111010011001000010010100111001101000101110010000001111110011111100111111001111110011111111101001100100001001010011100100101110101010101111101001100100001001010011101001100110111000000111100110101110001001101111101001100100001001010011100110100010111001000000111111001111110011111100111111001111110011111100111111001111110011111101001110001111110011111100111111001111110011111101010101001111110011111100111111001111110101010100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101010111001111110011111100111111 3f3f3f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f573f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3fe99094e7bfab3fe88ea03f3f3f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3fe99094e79083e586a0e990943fe5ad9d3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3fe99094e4baabe99094e99b81e6b89be99094e68b903f3f3f3f3f3f3f3f3f4e3f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f573f3f3f
UHC ???????U????U???????????????W?????U????U?????????????????????????享?雁減?拐????翫??????????享?雁減?拐??????享?雁減?拐???????享?雁減?拐??????享?雁減?拐??????享?雁減?拐?????享?雁減?拐?????球冠??孝????享?雁減?拐??????享?雁減?拐?????????享?雁減?拐??????享?雁減?拐???????享?雁減?拐??????享?雁減?拐????????享?雁減?拐??????享?雁減?拐?????????N?????U????U???????????????W??? 001111110011111100111111001111110011111100111111001111110101010100111111001111110011111100111111010101010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110101011100111111001111110011111100111111001111110101010100111111001111110011111100111111010101010011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111111111010101111010011111111100100110100101100101011110101001111111100111011011000001111110011111100111111001111111110100011010001001111110011111100111111001111110011111100111111001111110011111100111111001111111111101010111101001111111110010011010010110010101111010100111111110011101101100000111111001111110011111100111111001111110011111111111010101111010011111111100100110100101100101011110101001111111100111011011000001111110011111100111111001111110011111100111111001111111111101010111101001111111110010011010010110010101111010100111111110011101101100000111111001111110011111100111111001111110011111111111010101111010011111111100100110100101100101011110101001111111100111011011000001111110011111100111111001111110011111100111111111110101011110100111111111001001101001011001010111101010011111111001110110110000011111100111111001111110011111100111111111110101011110100111111111001001101001011001010111101010011111111001110110110000011111100111111001111110011111100111111110011111011100111001110101011100011111100111111111111001111100000111111001111110011111100111111111110101011110100111111111001001101001011001010111101010011111111001110110110000011111100111111001111110011111100111111001111111111101010111101001111111110010011010010110010101111010100111111110011101101100000111111001111110011111100111111001111110011111100111111001111110011111111111010101111010011111111100100110100101100101011110101001111111100111011011000001111110011111100111111001111110011111100111111111110101011110100111111111001001101001011001010111101010011111111001110110110000011111100111111001111110011111100111111001111110011111111111010101111010011111111100100110100101100101011110101001111111100111011011000001111110011111100111111001111110011111100111111111110101011110100111111111001001101001011001010111101010011111111001110110110000011111100111111001111110011111100111111001111110011111100111111111110101011110100111111111001001101001011001010111101010011111111001110110110000011111100111111001111110011111100111111001111111111101010111101001111111110010011010010110010101111010100111111110011101101100000111111001111110011111100111111001111110011111100111111001111110011111101001110001111110011111100111111001111110011111101010101001111110011111100111111001111110101010100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111100111111001111110011111101010111001111110011111100111111 3f3f3f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f573f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3fe8d13f3f3f3f3f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3fcfb9ceae3f3ffcf83f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3ffabd3fe4d2caf53fced83f3f3f3f3f3f3f3f3f4e3f3f3f3f3f553f3f3f3f553f3f3f3f3f3f3f3f3f3f3f3f3f3f3f573f3f3f

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。