// Training Mode Data var trainingModes = { breathing: { name: '呼吸トレーニング', phases: [ { name: '4-7-8呼吸法', duration: 60, type: '478' }, { name: 'ボックス呼吸', duration: 60, type: 'box' }, { name: '三次元呼吸', duration: 90, type: '3d' }, { name: 'アッポッジョ練習', duration: 90, type: 'appoggio' } ] }, resonance: { name: '共鳴トレーニング', phases: [ { name: '胸部共鳴ハミング', duration: 60, frequency: 100 }, { name: 'マスク共鳴', duration: 60, frequency: 300 }, { name: '共鳴バランス', duration: 90, frequency: 200 }, { name: 'レゾナント・サイレン', duration: 90, type: 'siren' } ] }, articulation: { name: '滑舌強化', phases: [ { name: '子音分離練習', duration: 60, text: 'パタカ' }, { name: '早口言葉基礎', duration: 90, text: 'バダガ' }, { name: '複合子音', duration: 90, text: 'キャクキュキョ' }, { name: '高速反復', duration: 60, text: 'サタナハマヤラワ' } ] }, presentation: { name: 'プレゼン準備', phases: [ { name: '身体解放', duration: 180, type: 'release' }, { name: '呼吸活性化', duration: 180, type: 'activation' }, { name: '声の覚醒', duration: 240, type: 'vocal_warmup' }, { name: '権威性強化', duration: 300, type: 'authority' } ] } };

var currentMode = 'breathing'; var currentPhase = 0; var elapsedTime = 0; var isPlaying = false; var timerInterval = null; var audioContext = null; var gainNode = null;

// DOM Elements var modeTitle = document.getElementById('getta-voice-current-mode'); var phaseCounter = document.getElementById('getta-voice-phase-counter'); var timeCounter = document.getElementById('getta-voice-time-counter'); var phaseName = document.getElementById('getta-voice-phase-name'); var progressFill = document.getElementById('getta-voice-progress-fill'); var guidanceBox = document.getElementById('getta-voice-guidance-box'); var guidanceText = document.getElementById('getta-voice-guidance-text'); var startBtn = document.getElementById('getta-voice-start-btn'); var stopBtn = document.getElementById('getta-voice-stop-btn'); var volumeSlider = document.getElementById('getta-voice-volume-slider'); var volumeValue = document.getElementById('getta-voice-volume-value'); var modeButtons = document.querySelectorAll('.getta-voice-mode-button');

// Initialize Audio Context function initAudio() { if (!audioContext) { audioContext = new (window.AudioContext || window.webkitAudioContext)(); gainNode = audioContext.createGain(); gainNode.connect(audioContext.destination); gainNode.gain.value = 0.7; } }

// Create Tone function createTone(frequency, duration, type) { initAudio(); duration = duration || 0.5; type = type || 'sine';

var osc = audioContext.createOscillator(); var envelope = audioContext.createGain();

osc.type = type; osc.frequency.value = frequency; osc.connect(envelope); envelope.connect(gainNode);

var now = audioContext.currentTime; envelope.gain.setValueAtTime(0, now); envelope.gain.linearRampToValueAtTime(0.3, now + 0.05); envelope.gain.exponentialRampToValueAtTime(0.01, now + duration);

osc.start(now); osc.stop(now + duration); }

// Speech Synthesis function speak(text) { if ('speechSynthesis' in window) { var utterance = new SpeechSynthesisUtterance(text); utterance.lang = 'ja-JP'; utterance.rate = 0.9; utterance.pitch = 1.0; window.speechSynthesis.speak(utterance); } }

// Show Guidance function showGuidance(text) { guidanceText.textContent = text; guidanceBox.classList.add('visible'); }

// Hide Guidance function hideGuidance() { guidanceBox.classList.remove('visible'); }

// Update Display function updateDisplay() { var mode = trainingModes[currentMode]; var phase = mode.phases[currentPhase]; var progress = (elapsedTime / phase.duration) * 100;

modeTitle.textContent = mode.name; phaseCounter.textContent = 'フェーズ ' + (currentPhase + 1) + ' / ' + mode.phases.length; timeCounter.textContent = elapsedTime + '秒 / ' + phase.duration + '秒'; phaseName.textContent = phase.name; progressFill.style.width = progress + '%'; }

// Breathing Cycles function runBreathingCycle(type) { switch (type) { case '478': showGuidance('4秒で鼻から吸う'); speak('4秒で鼻から息を吸います'); createTone(220, 4); setTimeout(function() { showGuidance('7秒息を止める'); speak('7秒息を止めます'); }, 4000); setTimeout(function() { showGuidance('8秒で口から吐く'); speak('8秒で口から息を吐きます'); createTone(165, 8); }, 11000); break; case 'box': showGuidance('4秒で吸う'); speak('4秒吸います'); createTone(220, 4); setTimeout(function() { showGuidance('4秒止める'); createTone(250, 0.2); }, 4000); setTimeout(function() { showGuidance('4秒で吐く'); createTone(180, 4); }, 8000); setTimeout(function() { showGuidance('4秒止める'); createTone(250, 0.2); }, 12000); break; case '3d': showGuidance('胴体全体を360度拡張'); speak('腹部、脇腹、背中、全方向に拡張させます'); createTone(200, 5); setTimeout(function() { showGuidance('肋骨を広げたまま吐く'); speak('肋骨の拡張を保ったまま、ゆっくり吐きます'); createTone(180, 6); }, 6000); break; case 'appoggio': showGuidance('息に寄りかかる'); speak('背中で息を支え、喉を解放します'); createTone(150, 8, 'triangle'); setTimeout(function() { showGuidance('長い呼気を維持'); createTone(140, 8, 'triangle'); }, 9000); break; } }

// Resonance Cycles function runResonanceCycle(phase) { var frequency = phase.frequency; var type = phase.type;

if (type === 'siren') { showGuidance('サイレン練習 - 低音から高音へ'); speak('最も低い声から最も高い声まで、滑らかに移動します'); var currentFreq = 80; var sirenInterval = setInterval(function() { createTone(currentFreq, 0.3, 'sine'); currentFreq += 10; if (currentFreq > 500) { clearInterval(sirenInterval); } }, 300); } else { if (frequency === 100) { showGuidance('胸に響きを感じる'); speak('胸骨に振動を感じながら、低くハミングします'); } else if (frequency === 300) { showGuidance('顔の前方に響きを集中'); speak('鼻、頬骨の周りに響きを集めます'); } else { showGuidance('共鳴のバランスを取る'); speak('胸の温かさと顔の明瞭さをブレンドします'); } createTone(frequency, 3, 'sine'); setTimeout(function() { createTone(frequency, 3, 'sine'); }, 3500); } }

// Articulation Cycles function runArticulationCycle(phase) { var text = phase.text; showGuidance('発音: ' + text); speak(text + '、' + text + '、' + text + '、' + text); for (var i = 0; i = phase.duration) { elapsedTime = 0; currentPhase++;

if (currentPhase >= trainingModes[currentMode].phases.length) { stopTraining(); } else { var nextPhase = trainingModes[currentMode].phases[currentPhase]; showGuidance(nextPhase.name + 'を開始'); speak(nextPhase.name); runTrainingCycle(); } } }, 1000); }

// Stop Training function stopTraining() { isPlaying = false;

if (timerInterval) { clearInterval(timerInterval); timerInterval = null; }

startBtn.classList.remove('hidden'); stopBtn.classList.remove('visible');

showGuidance('トレーニング完了'); speak('トレーニングを終了します。お疲れ様でした。'); }

// Event Listeners - Mode Selection modeButtons.forEach(function(button) { button.addEventListener('click', function() { if (isPlaying) return;

modeButtons.forEach(function(btn) { btn.classList.remove('active'); }); button.classList.add('active');

currentMode = button.getAttribute('data-mode'); currentPhase = 0; elapsedTime = 0; hideGuidance(); updateDisplay(); }); });

// Event Listeners - Control Buttons startBtn.addEventListener('click', startTraining); stopBtn.addEventListener('click', stopTraining);

// Event Listeners - Volume Control volumeSlider.addEventListener('input', function(e) { var volume = e.target.value / 100; volumeValue.textContent = e.target.value + '%'; if (gainNode) { gainNode.gain.value = volume; } });

// Scroll Animation var fadeElements = document.querySelectorAll('.getta-voice-fade-up, .getta-voice-scale-in');

function checkVisible() { var windowHeight = window.innerHeight; var triggerPoint = windowHeight * 0.85;

fadeElements.forEach(function(el) { var rect = el.getBoundingClientRect(); if (rect.top