* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body, html {
    height: 100%;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    overflow: hidden;
}

.container {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 背景画像 */
.background-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #f0f0f0;
    transition: background-image 0.8s ease-in-out;
    z-index: 1;
}

/* オーバーレイ */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 2;
}

/* コンテンツ */
.content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: white;
    width: 90%;
    max-width: 1200px;
}

/* コントロールパネル */
.controls {
    position: absolute;
    top: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    background: rgba(255, 255, 255, 0.15);
    padding: 20px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.control-group label {
    font-size: 14px;
    font-weight: 500;
    color: white;
    text-align: left;
}

.select-with-mic {
    display: flex;
    align-items: center;
    gap: 8px;
}

.select-control {
    flex: 1;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1em;
    cursor: pointer;
}

.select-control:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
}

.select-control option {
    background: #333;
    color: white;
}

.mic-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.mic-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.mic-button.listening {
    background-color: rgba(255, 0, 0, 0.2);
    animation: pulse 1.5s infinite;
}

.mic-icon {
    font-size: 1.2em;
}

.generate-btn {
    background: linear-gradient(45deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 5px;
    padding: 10px 20px;
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(5px);
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.generate-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* タグラインコンテナ */
.tagline-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 60vh;
    padding: 40px;
}

.tagline {
    font-size: 4rem;
    font-weight: 300;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    max-width: 800px;
    opacity: 0;
    animation: fadeIn 1s ease-in-out 0.5s forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .controls {
        position: static;
        margin-bottom: 20px;
        width: 100%;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .tagline {
        font-size: 2.5rem;
    }
    
    .content {
        width: 95%;
        padding: 20px;
    }
    
    .tagline-container {
        height: auto;
        min-height: 50vh;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .tagline {
        font-size: 2rem;
    }
    
    .controls {
        padding: 15px;
    }
    
    .select-control {
        min-width: 150px;
    }
}

/* ローディング状態 */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading .tagline {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

.speech-log {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 300px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 10px;
    padding: 15px;
    color: white;
    font-size: 0.9em;
    max-height: 200px;
    overflow-y: auto;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.log-header {
    font-weight: bold;
    margin-bottom: 10px;
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.log-content {
    font-family: monospace;
}

.log-entry {
    margin-bottom: 5px;
    padding: 5px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
}

.log-entry.error {
    background: rgba(255, 0, 0, 0.2);
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.input-section {
    background: rgba(0, 0, 0, 0.8);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.input-group {
    margin-bottom: 15px;
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    color: white;
    font-size: 0.9em;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1em;
}

.input-group input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

#generate {
    width: 100%;
    padding: 12px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s;
}

#generate:hover {
    background: #45a049;
}