:root {
    --bg-color: #fce38a; /* ポップな黄色 */
    --primary-color: #ff3366; /* アメコミレッド */
    --secondary-color: #33ccff; /* ポップブルー */
    --text-main: #333333;
    --border-color: #111111;
    
    --font-comic: 'Yusei Magic', sans-serif;
    --font-pop: 'M PLUS Rounded 1c', sans-serif;
}

body.dark-mode {
    --bg-color: #1a1a2e;
    --border-color: #eeeeee;
    --text-main: #eeeeee;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: none; /* スワイプやピンチズーム等のブラウザデフォルト挙動を禁止 */
}

body {
    background-color: #333;
    color: var(--text-main);
    font-family: var(--font-pop);
    overflow: hidden;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#game-container {
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 600px;
    background-color: var(--bg-color);
    background-image: radial-gradient(#f3c623 15%, transparent 16%), radial-gradient(#f3c623 15%, transparent 16%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    border: 4px solid var(--border-color);
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
    overflow: hidden;
}

/* サボり中の集中線エフェクト */
.bg-fever {
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: repeating-conic-gradient(
        from 0deg,
        transparent 0deg 10deg,
        rgba(255, 255, 255, 0.4) 10deg 20deg
    );
    z-index: 0;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.1s;
    animation: spin 10s linear infinite;
}

.bg-fever.active {
    opacity: 1;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

canvas {
    z-index: 1;
}

#ui-layer {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 10;
    pointer-events: none;
}

.hidden {
    display: none !important;
}

/* --- スコア表示 --- */
.score-hud {
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    border: 4px solid var(--border-color);
    padding: 10px 30px;
    border-radius: 30px;
    text-align: center;
    box-shadow: 4px 4px 0 var(--border-color);
    transition: transform 0.1s;
}

.score-label {
    display: block;
    font-family: var(--font-comic);
    font-size: 1.2rem;
    color: var(--primary-color);
    font-weight: bold;
}

.score-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
    color: var(--border-color);
    transition: all 0.1s;
}

/* --- ヒントテキスト --- */
.hint-text {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-comic);
    font-size: 1.5rem;
    color: #fff;
    background: rgba(0,0,0,0.7);
    padding: 10px 20px;
    border-radius: 10px;
    white-space: nowrap;
    animation: bounce 1s infinite alternate;
}

@keyframes bounce {
    from { transform: translate(-50%, 0); }
    to { transform: translate(-50%, -10px); }
}

/* --- ストレスゲージ --- */
.stress-hud {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 85%;
    max-width: 400px;
    background: #fff;
    border: 4px solid var(--border-color);
    padding: 8px 15px;
    border-radius: 20px;
    box-shadow: 4px 4px 0 var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.stress-label {
    font-family: var(--font-comic);
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--border-color);
}

.stress-bar-container {
    flex-grow: 1;
    height: 15px;
    background: #eee;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.stress-bar-fill {
    width: 0%;
    height: 100%;
    background: #00cc66;
    transition: width 0.1s, background-color 0.3s;
}

.stress-bar-fill.danger {
    background: #ff3366;
    animation: blink-stress 0.5s infinite;
}

@keyframes blink-stress {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* --- 画面共通 --- */
.screen {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s;
    background: rgba(255, 255, 255, 0.95);
    pointer-events: auto;
    overflow-y: auto; /* 内容がはみ出る場合はスクロール可能に */
    padding: 20px;
    touch-action: pan-y;
}

.screen * {
    touch-action: pan-y;
}

.screen.active {
    opacity: 1;
    visibility: visible;
}

/* --- スタート画面（コミック風パネル） --- */
.comic-panel {
    background: repeating-linear-gradient(
        45deg,
        #fce38a,
        #fce38a 10px,
        #f8d247 10px,
        #f8d247 20px
    );
}

.title-container {
    background: #fff;
    border: 5px solid var(--border-color);
    padding: 8px;
    transform: rotate(-3deg);
    box-shadow: 8px 8px 0 var(--border-color);
    margin-bottom: 10px;
}

.main-title {
    font-family: var(--font-comic);
    font-size: 2.2rem;
    line-height: 1.1;
    color: var(--border-color);
    text-align: center;
}

.main-title .highlight {
    color: var(--primary-color);
    font-size: 2.6rem;
}

.instruction {
    background: #fff;
    border: 4px solid var(--border-color);
    padding: 10px;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 10px;
    font-weight: bold;
    font-size: 0.95rem;
    line-height: 1.4;
    box-shadow: 4px 4px 0 var(--border-color);
    width: 85%;
}

.text-red { color: var(--primary-color); font-size: 1.2em; }
.text-blue { color: var(--secondary-color); font-size: 1.2em;}
.warning { color: #ff0000; font-size: 1.3em; margin-top: 10px; animation: shake 0.5s infinite; }

@keyframes shake {
    0% { transform: translateX(0); }
    25% { transform: translateX(-2px); }
    50% { transform: translateX(2px); }
    75% { transform: translateX(-2px); }
    100% { transform: translateX(0); }
}

/* コミック風ボタン */
.comic-btn {
    font-family: var(--font-comic);
    font-size: 1.1rem;
    font-weight: bold;
    padding: 8px 20px;
    border: 4px solid var(--border-color);
    background: var(--primary-color);
    color: #fff;
    cursor: pointer;
    box-shadow: 4px 4px 0 var(--border-color);
    transition: all 0.1s;
    border-radius: 8px;
    touch-action: manipulation;
}

.comic-btn:active {
    transform: translate(4px, 4px);
    box-shadow: 0 0 0 var(--border-color);
}

/* --- リザルト画面 --- */
.result-panel {
    background: rgba(0, 0, 0, 0.85);
}

.result-box {
    background: #fff;
    border: 6px solid var(--primary-color);
    padding: 15px 15px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    border-radius: 20px;
    box-shadow: 8px 8px 0 var(--primary-color);
    transform: rotate(2deg);
}

.result-title {
    font-family: var(--font-comic);
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 8px;
    line-height: 1;
}

.sub-title {
    font-size: 0.9rem;
    color: var(--border-color);
}

.score-container, .rank-container {
    margin-bottom: 8px;
    background: #f4f4f4;
    padding: 10px;
    border: 3px solid var(--border-color);
    border-radius: 10px;
    position: relative;
}

.score-label, .rank-label {
    font-weight: bold;
    color: #666;
    margin-bottom: 2px;
    font-size: 0.8rem;
}

.final-score {
    font-size: 2.2rem;
    font-weight: 900;
    color: var(--border-color);
    line-height: 1;
}

.best-score-label {
    font-family: var(--font-comic);
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-top: 10px;
}

.new-record {
    position: absolute;
    top: -15px; right: -10px;
    background: var(--secondary-color);
    color: #fff;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: bold;
    transform: rotate(10deg);
    box-shadow: 0 0 10px var(--secondary-color);
}

.rank-text {
    font-family: var(--font-comic);
    font-size: 1.4rem;
    color: var(--secondary-color);
    font-weight: bold;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 5px;
}

.comic-btn.secondary {
    background: #fff;
    color: var(--border-color);
}
.comic-btn.copied {
    background: var(--secondary-color);
    color: #fff;
}
.comic-btn.tertiary {
    background: #ccc;
    color: var(--border-color);
    font-size: 1rem;
    padding: 6px 20px;
}

/* --- 残業モード（ダークモード） --- */
.dark-mode-container {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 100;
    pointer-events: auto;
    touch-action: manipulation;
}
.dark-mode-checkbox { display: none; }
.dark-mode-label {
    background: #333;
    color: #fff;
    padding: 5px 10px;
    border-radius: 10px;
    font-weight: bold;
    cursor: pointer;
    font-family: var(--font-pop);
    border: 2px solid #555;
    font-size: 0.9rem;
}
body.dark-mode #game-container {
    background-image: radial-gradient(#16213e 15%, transparent 16%), radial-gradient(#16213e 15%, transparent 16%);
}
body.dark-mode .screen { background: rgba(10, 10, 20, 0.95); }
body.dark-mode .title-container, 
body.dark-mode .instruction,
body.dark-mode .result-box,
body.dark-mode .score-hud,
body.dark-mode .stress-hud {
    background: #16213e;
    color: #eee;
}
body.dark-mode .score-container, 
body.dark-mode .rank-container {
    background: #0f3460;
}
body.dark-mode .comic-panel {
    background: repeating-linear-gradient(45deg, #1a1a2e, #1a1a2e 10px, #16213e 10px, #16213e 20px);
}
body.dark-mode .comic-btn.secondary { background: #16213e; color: #fff; }
body.dark-mode .comic-btn.tertiary { background: #333; color: #fff; }
body.dark-mode .hint-text { background: rgba(255,255,255,0.7); color: #000; }

/* 音量ミュートコンテナ */
.sound-mute-container {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 100;
    pointer-events: auto;
    touch-action: manipulation;
}
.sound-mute-checkbox { display: none; }
.sound-mute-label {
    background: #333;
    color: #fff;
    padding: 5px 10px;
    border-radius: 10px;
    font-weight: bold;
    cursor: pointer;
    font-family: var(--font-pop);
    border: 2px solid #555;
    font-size: 0.9rem;
}