:root {
    --primary-color: #4a90e2;
    --bg-color: #f5f7fa;
    --text-color: #333;
    --card-bg: #ffffff;
}

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1000px;
    width: 100%;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 { margin-bottom: 20px; }

.roulette-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
    width: 100%;
    margin-bottom: 30px;
}

.roulette-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    min-width: 350px;
}

.roulette-wrapper {
    position: relative;
    margin: 20px 0;
}

canvas {
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
    display: block;
    height: auto;
}

.pointer {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 30px solid #e74c3c;
    z-index: 10;
}

.controls {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 10px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

label { font-weight: bold; }

textarea {
    width: 100%;
    height: 100px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    resize: vertical;
    box-sizing: border-box;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

button {
    padding: 12px 24px;
    font-size: 1.1rem;
    font-weight: bold;
    color: white;
    background-color: var(--primary-color);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

button.secondary {
    background-color: #6c757d;
}

button.secondary:hover {
    background-color: #5a6268;
}

button:hover { background-color: #357abd; }
button:active { transform: scale(0.98); }
button:disabled { background-color: #ccc; cursor: not-allowed; }

.result-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin: 10px 0;
}

.result {
    font-size: 1.4rem;
    font-weight: bold;
    color: #d35400; /* 濃いオレンジ */
    min-height: 1.5em;
    text-align: center;
}

.remove-btn {
    padding: 6px 12px;
    font-size: 0.9rem;
    background-color: #e74c3c;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 10px;
}

.remove-btn:hover {
    background-color: #c0392b;
}

.auto-shuffle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: #666;
}

.auto-shuffle-container label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    font-weight: normal;
}

.auto-shuffle-container input[type="checkbox"] {
    margin: 0;
    cursor: pointer;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.navigation-links {
    width: 100%;
    margin-bottom: 20px;
}

.navigation-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
}

.navigation-links a:hover {
    text-decoration: underline;
}

/* ドラムルーレット用スタイル */
.drum-wrapper {
    position: relative;
    margin: 20px 0;
    width: 200px;
    height: 200px;
}

.drum-window {
    position: relative;
    width: 200px;
    height: 200px;
    overflow: hidden;
    border: 4px solid #333;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
}

.drum-window canvas {
    border-radius: 0;
    box-shadow: none;
    display: block;
}

.drum-indicator {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 80px; /* 選択エリアの高さ */
    transform: translateY(-50%);
    border-top: 2px solid #e74c3c;
    border-bottom: 2px solid #e74c3c;
    background-color: rgba(231, 76, 60, 0.1);
    pointer-events: none;
    z-index: 5;
}

.drum-indicator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -15px;
    transform: translateY(-50%);
    border-left: 15px solid #e74c3c;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
}

.drum-indicator::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -15px;
    transform: translateY(-50%);
    border-right: 15px solid #e74c3c;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
}

.drum-shadow-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, rgba(0,0,0,0.5), transparent);
    pointer-events: none;
    z-index: 2;
}

.drum-shadow-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
    pointer-events: none;
    z-index: 2;
}

.terms-container {
    width: 100%;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.terms-field {
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 15px;
    font-size: 0.85rem;
    color: #666;
    line-height: 1.6;
}

.terms-field h3 {
    margin: 0 0 10px 0;
    font-size: 1rem;
    color: var(--text-color);
}

.terms-field ul {
    margin: 0;
    padding-left: 20px;
}

.settings-panel {
    width: 100%;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-top: 20px;
    overflow: hidden;
}

.settings-header {
    background-color: #f8f9fa;
    padding: 10px 15px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: bold;
    user-select: none;
}

.settings-header:hover {
    background-color: #e9ecef;
}

.settings-header::after {
    content: '▼';
    font-size: 0.8rem;
    transition: transform 0.3s;
}

.settings-panel.open .settings-header::after {
    transform: rotate(180deg);
}

.settings-content {
    padding: 15px;
    display: none;
    flex-direction: column;
    gap: 15px;
}

.settings-panel.open .settings-content {
    display: flex;
}

@media (max-width: 768px) {
    .roulette-container {
        flex-direction: column;
        align-items: center;
    }
}