public static Map<String, String> hKMap = new Map<String, String>{
		'あ' => 'ア',	'い' => 'イ',	'う' => 'ウ',	'え' => 'エ',	'お' => 'オ',
		'ぁ' => 'ァ',	'ぃ' => 'ィ',	'ぅ' => 'ゥ',	'ぇ' => 'ェ',	'ぉ' => 'ォ',
		'か' => 'カ',	'き' => 'キ',	'く' => 'ク',	'け' => 'ケ',	'こ' => 'コ',
		'が' => 'ガ',	'ぎ' => 'ギ',	'ぐ' => 'グ',	'げ' => 'ゲ',	'ご' => 'ゴ',
		'さ' => 'サ',	'し' => 'シ',	'す' => 'ス',	'せ' => 'セ',	'そ' => 'ソ',
		'ざ' => 'ザ',	'じ' => 'ジ',	'ず' => 'ズ',	'ぜ' => 'ゼ',	'ぞ' => 'ゾ',
		'た' => 'タ',	'ち' => 'チ',	'つ' => 'ツ',	'て' => 'テ',	'と' => 'ト',
		'だ' => 'ダ',	'ぢ' => 'ヂ',	'づ' => 'ヅ',	'で' => 'デ',	'ど' => 'ド',
		'な' => 'ナ', 'に' => 'ニ',	'ぬ' => 'ヌ', 'ね' => 'ネ', 'の' => 'ノ',
		'は' => 'ハ', 'ひ' => 'ヒ', 'ふ' => 'フ', 'へ' => 'ヘ', 'ほ' => 'ホ',
		'ば' => 'バ', 'び' => 'ビ', 'ぶ' => 'ブ', 'べ' => 'ベ', 'ぼ' => 'ボ',
		'ぱ' => 'パ', 'ぴ' => 'ピ', 'ぷ' => 'プ', 'ぺ' => 'ペ', 'ぽ' => 'ポ',
		'ま' => 'マ', 'み' => 'ミ', 'む' => 'ム', 'め' =>'メ', 'も' => 'モ',
		'や' => 'ヤ', 'ゆ' => 'ユ', 'よ' => 'ヨ',
		'ゃ' => 'ャ', 'ゅ' => 'ュ', 'ょ' => 'ョ',
		'わ' => 'ワ', 'を' => 'ヲ', 'ん' => 'ン'
	};
	public static Map<String, String> kHMap = new Map<String, String>();
	public static String hToK(String hiragana) {
		String katakana = '';
		for (Integer i = 0; i < hiragana.length(); i++) {
			String s = hiragana.substring(i, i+1);
			katakana += hKMap.get(s);
		}
		return katakana;
	}
	public static String kToH(String katakana) {
		for (String h : hKMap.keySet()) {
			kHMap.put(hKMap.get(h), h);
		}
		String hiragana = '';
		for (Integer i = 0; i < katakana.length(); i++) {
			String s = katakana.substring(i, i+1);
			hiragana += kHMap.get(s);
		}
		return hiragana;
	}