/* --- デザインシステム & 変数 --- */
:root {
    --bg-primary: #12100a;       /* 列車車内の深い暗褐色 */
    --bg-secondary: #1e1a10;     /* 木製座席の濃いブラウン */
    --text-primary: #f2e8d0;     /* ランタンに照らされた羊皮紙色 */
    --text-secondary: #a89060;   /* 琥珀色のサブテキスト */
    --accent-red: #c47c2a;       /* ランタン炎のアンバー（プライマリーボタン） */
    --accent-gold: #e8b84b;      /* 黄金色のアクセント */
    --border-color: #3a2e18;     /* 木製パネルの境界線 */
    --font-serif: 'Noto Serif JP', 'Kiwi Maru', Georgia, serif;
    --font-sans: 'Outfit', 'Helvetica Neue', Arial, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}


/* --- リセット & 基本設定 --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    background: radial-gradient(ellipse at 30% 20%, #2a1f08 0%, #0d0a04 100%);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#app {
    width: 100%;
    max-width: 480px; /* スマホモックアップサイズに制限 */
    height: 100vh;
    position: relative;
    background-image: url('./train_window_sunset_bg.jpg');
    background-size: cover;
    background-position: center;
    box-shadow: 0 0 60px rgba(196, 124, 42, 0.15), 0 0 40px rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    /* スマートフォン端末のセーフエリア（ノッチ・下部バー被り対策） */
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
    padding-left: env(safe-area-inset-left, 0px);
    padding-right: env(safe-area-inset-right, 0px);
}




/* --- パネル切り替え --- */
.panel {
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    overflow-y: auto;
    padding: 20px;
    padding-bottom: calc(30px + env(safe-area-inset-bottom, 0px));
    box-sizing: border-box;
    flex-direction: column;
    background: rgba(14, 10, 4, 0.55);
}


.panel.active {
    display: flex;
}

/* --- 共通コンポーネント --- */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0 20px 0;
    border-bottom: 1px solid rgba(196, 124, 42, 0.3);
    margin-bottom: 20px;
}

.app-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    background: linear-gradient(135deg, #f2e8d0 0%, #e8b84b 50%, #c47c2a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px rgba(232, 184, 75, 0.4));
}


/* ボタン */
.icon-button {
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.icon-button:hover, .icon-button:active {
    background-color: var(--bg-secondary);
    border-color: var(--border-color);
}

.primary-button {
    background: linear-gradient(135deg, #c47c2a 0%, #e8a830 50%, #c47c2a 100%);
    color: #1a1008;
    border: 1px solid rgba(232, 184, 75, 0.5);
    padding: 16px;
    border-radius: 12px;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    cursor: pointer;
    width: 100%;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 20px rgba(196, 124, 42, 0.4), inset 0 1px 0 rgba(255, 220, 100, 0.3);
    margin-top: 30px;
    margin-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
}

.primary-button:active {
    transform: scale(0.98);
    box-shadow: 0 2px 8px rgba(196, 124, 42, 0.3);
}

.primary-button:disabled {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    box-shadow: none;
    border-color: var(--border-color);
    cursor: not-allowed;
}


.text-button {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.text-button:hover, .text-button:active {
    background-color: var(--bg-secondary);
}

.text-button.warning-color {
    border-color: rgba(211, 60, 60, 0.3);
    color: var(--accent-red);
}

.text-button.warning-color:hover {
    background-color: rgba(211, 60, 60, 0.1);
}

/* --- 切符風チケットUI (Ticket UI) --- */
.ticket-container {
    perspective: 1000px;
    margin-bottom: 25px;
}

.ticket {
    background: rgba(10, 6, 2, 0.6);
    border-radius: 8px;
    border: 1px solid rgba(196, 124, 42, 0.4);
    display: flex;
    overflow: hidden;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(232, 184, 75, 0.1);
    position: relative;
    backdrop-filter: blur(8px);
}

/* チケット半券部分 */
.ticket-stub {
    width: 60px;
    background: rgba(30, 18, 8, 0.75);
    border-right: 2px dashed rgba(196, 124, 42, 0.5);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    backdrop-filter: blur(2px);
}

/* パンチ穴 */
.ticket-punch-hole {
    position: absolute;
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 1px solid rgba(196, 124, 42, 0.4);
    box-shadow: inset 0 0 5px rgba(0,0,0,0.5);
}


.ticket-stub-label {
    writing-mode: vertical-rl;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    letter-spacing: 0.5em;
    color: var(--text-secondary);
}

/* チケット本券部分 */
.ticket-body {
    flex: 1;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.ticket-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 6px;
}

.ticket-serial {
    font-family: monospace;
}

.ticket-title {
    font-weight: 600;
    letter-spacing: 0.05em;
}

.ticket-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 15px 0;
}

.ticket-remaining {
    display: flex;
    align-items: baseline;
}

.ticket-count {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--accent-red);
    line-height: 1;
    text-shadow: 0 0 10px rgba(211, 60, 60, 0.2);
}

.ticket-unit {
    font-size: 1rem;
    margin-left: 4px;
    color: var(--text-primary);
}

.ticket-info {
    text-align: right;
}

.ticket-time-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.ticket-time {
    font-family: monospace;
    font-size: 1.1rem;
    color: var(--accent-gold);
    font-weight: bold;
}

.ticket-footer {
    display: flex;
    justify-content: space-between;
    font-size: 0.65rem;
    color: var(--text-secondary);
}

/* --- パラメータ設定エリア --- */
.generator-config {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.config-label {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: #f7d273; /* Gold color */
    border-bottom: 1px solid rgba(247, 210, 115, 0.3);
    padding-bottom: 10px;
    margin-bottom: 15px;
    text-shadow: 0px 2px 4px rgba(0, 0, 0, 0.8);
    letter-spacing: 0.05em;
}

.config-value {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--accent-gold);
}

/* スライダー */
.slider-container {
    position: relative;
    padding: 10px 0;
}

#time-slider {
    width: 100%;
    -webkit-appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-secondary);
    outline: none;
    border: 1px solid var(--border-color);
}

#time-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-red);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(211, 60, 60, 0.4);
    transition: var(--transition-smooth);
}

#time-slider::-webkit-slider-thumb:active {
    transform: scale(1.2);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 8px;
    padding: 0 5px;
}

/* チップス (タグ選択) */
.chip-group {
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    gap: 8px;
    padding: 2px 2px 8px 2px;
    scrollbar-width: none; /* Firefox用 */
}

.chip-group::-webkit-scrollbar {
    display: none; /* Chrome, Safari用 */
}

.chip {
    flex-shrink: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

.chip:hover {
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.chip.active {
    background-color: rgba(195, 156, 101, 0.15); /* 金茶色の半透明背景 */
    color: var(--accent-gold);
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px rgba(195, 156, 101, 0.1);
}

/* --- ローディング画面 (Loading Panel) --- */
#loading-panel {
    justify-content: center;
    align-items: center;
}

.loading-content {
    text-align: center;
    width: 100%;
}

/* 水墨画風おじいさんのローディングアニメーション */
.ink-painting-container {
    width: 160px;
    height: 160px;
    margin: 0 auto 30px auto;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loading-old-man {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
    border: 2px solid rgba(195, 156, 101, 0.4); /* 金色っぽい枠線 */
    z-index: 2;
    animation: old-man-writing 4s infinite ease-in-out;
}

/* おじいさんの執筆動作を表現するアニメーション（回転を排除し、自然な小刻み揺れと伸縮に修正） */
@keyframes old-man-writing {
    0% { transform: scale(1) translate(0, 0); }
    15% { transform: scale(1.01) translate(-1px, 0.5px); }
    30% { transform: scale(0.99) translate(1px, -0.5px); }
    45% { transform: scale(1.01) translate(-0.5px, -0.5px); }
    60% { transform: scale(1.01) translate(1px, 0.5px); }
    75% { transform: scale(0.99) translate(-0.5px, 0); }
    90% { transform: scale(1) translate(0, -0.5px); }
    100% { transform: scale(1) translate(0, 0); }
}

/* 周りの墨のパルスサークル (3重で画面全体にダイナミックに広がる - 完全中央配置でブレを修正) */
.ink-pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    width: 156px;
    height: 156px;
    border-radius: 50%;
    border: 2px solid var(--accent-gold);
    opacity: 0;
    z-index: 1;
}

.ring-1 { animation: ink-pulse 4.5s infinite ease-out; }
.ring-2 { animation: ink-pulse 4.5s infinite ease-out; animation-delay: 1.5s; }
.ring-3 { animation: ink-pulse 4.5s infinite ease-out; animation-delay: 3s; }

@keyframes ink-pulse {
    0% { transform: translate(-50%, -50%) scale(0.85); opacity: 0.9; border-color: var(--accent-gold); }
    50% { opacity: 0.5; }
    100% { transform: translate(-50%, -50%) scale(2.6); opacity: 0; border-color: rgba(211, 47, 47, 0.4); } /* 大きく広がって朱色の影に消えていく */
}

.loading-status {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.loading-progress-bar {
    width: 80%;
    height: 4px;
    background-color: var(--bg-secondary);
    border-radius: 2px;
    margin: 0 auto;
    overflow: hidden;
}

.loading-progress-fill {
    width: 0%;
    height: 100%;
    background-color: var(--accent-gold);
    animation: progress-mock 15s forwards linear;
}

@keyframes progress-mock {
    0% { width: 0%; }
    50% { width: 45%; }
    90% { width: 85%; }
    100% { width: 95%; } /* 実際に応答が返るまで100%にはしない */
}

/* --- 読書画面 (Reading Panel) --- */
#reading-panel {
    padding: 0;
    overflow: hidden; /* ヘッダーとフッターを固定し、ボディのみをスクロール */
}

.reader-header {
    height: calc(60px + env(safe-area-inset-top, 0px));
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: env(safe-area-inset-top, 0px) 15px 0 15px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.reader-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 読書用小説表示ボディ */
.reader-body {
    flex: 1;
    overflow: auto;
    padding: 30px 20px;
    background-color: #121317; /* さらに少し暗い背景で目に優しく */
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch; /* iOSでのスムーズな慣性スクロール */
    scrollbar-width: none; /* Firefox用 */
}

.reader-body::-webkit-scrollbar {
    display: none; /* Chrome, Safari用スクロールバー非表示 */
}

/* 縦書きモードのCSS制御 */
.reader-body.vertical-mode {
    writing-mode: vertical-rl;
    -webkit-writing-mode: vertical-rl;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 40px 30px;
}

.story-content {
    font-family: var(--font-serif);
    color: var(--text-primary);
    font-size: 1.1rem; /* 初期サイズ */
    line-height: 1.85;
    letter-spacing: 0.08em;
    max-width: 100%;
    margin: 0 auto;
    transition: font-size 0.2s ease;
    user-select: none;
    -webkit-user-select: none;
}

/* 縦書き時のレイアウト微調整 */
.vertical-mode .story-content {
    height: 100%;
    max-height: 100%;
    /* 右から左へのスクロールで右側にゆとりを持たせる */
    padding-right: 10px;
}

/* 横書き時のレイアウト微調整 */
.reader-body:not(.vertical-mode) .story-content {
    max-width: 600px;
    padding-bottom: 50px;
}

/* 段落と改行 */
.story-content p {
    margin-bottom: 1.5em;
}

.vertical-mode .story-content p {
    margin-bottom: 0;
    margin-left: 1.8em; /* 縦書きでは左マージンが段落間隔になる */
}

.reader-footer {
    padding: 12px 15px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 8px;
    box-sizing: border-box;
}

/* --- モーダル (Modal / Settings / Ads) --- */
.modal-overlay {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 100;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    overflow: hidden;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
}

.modal-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-height: 70vh;
    overflow-y: auto;
}

/* 設定入力フォーム */
.settings-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.settings-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.text-input {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-smooth);
}

.text-input:focus {
    border-color: var(--accent-gold);
}

.settings-help {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.settings-divider {
    border: 0;
    height: 1px;
    background-color: var(--border-color);
    margin: 5px 0;
}

.uid-display {
    background-color: var(--bg-primary);
    padding: 10px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-secondary);
    word-break: break-all;
    border: 1px solid var(--border-color);
}

.danger-button {
    background-color: transparent;
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition-smooth);
}

.danger-button:hover, .danger-button:active {
    background-color: rgba(211, 60, 60, 0.15);
}

.danger-color {
    color: var(--accent-red) !important;
}

/* 広告モックUI */
.ad-content {
    padding: 25px;
    text-align: center;
    gap: 20px;
}

.ad-content h3 {
    font-family: var(--font-serif);
    margin-bottom: 15px;
}

.ad-video-mock {
    background-color: #000000;
    border: 2px solid var(--border-color);
    height: 200px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
}

.ad-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.1);
    border-top: 3px solid var(--accent-red);
    border-radius: 50%;
    animation: spin 1s infinite linear;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ad-video-mock span {
    font-size: 2rem;
    font-family: monospace;
    font-weight: bold;
    color: var(--accent-red);
}

.ad-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* --- 免責・スプラッシュ画面 --- */
#disclaimer-panel {
    background-color: #000000;
    justify-content: center;
    align-items: center;
    padding: 30px;
    z-index: 200;
}

.disclaimer-content {
    max-width: 380px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 25px;
    animation: fade-in 1s ease;
}

.disclaimer-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    letter-spacing: 0.2em;
    color: var(--accent-gold);
}

.disclaimer-text {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-primary);
    text-align: justify;
    background-color: rgba(255, 255, 255, 0.02);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.disclaimer-text p {
    margin-bottom: 1em;
}

.disclaimer-text p:last-child {
    margin-bottom: 0;
}

/* フェード遷移 */
.panel.fade-out {
    animation: fade-out 0.8s forwards ease-in-out;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-out {
    from { opacity: 1; }
    to { opacity: 0; visibility: hidden; }
}

.ai-generated-notice {
    display: block;
    font-size: 0.7rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-align: center;
    font-family: var(--font-serif);
    opacity: 0.7;
}

/* チェックボックススタイリング */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 5px;
}

.checkbox-container input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-gold);
    cursor: pointer;
}

.checkbox-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

/* ルビ（フリガナ）の表示調整 */
ruby {
    ruby-position: over;
    ruby-align: center;
}

ruby rt {
    font-size: 0.52em;
    color: var(--text-secondary);
    opacity: 0.8;
    letter-spacing: 0.02em;
    padding: 0 1px;
}

/* --- ホーム画面専用のレスポンシブ調整（1画面にぴったり収める） --- */
#panel-home {
    height: 100vh !important;
    height: 100dvh !important; /* ダイナミックビューポート対応 */
    overflow: hidden !important; /* スクロールを完全に禁止 */
    display: flex !important;
    flex-direction: column !important;
    justify-content: space-between !important;
    padding: 8px 12px !important;
    box-sizing: border-box !important;
}

#panel-home .app-header {
    flex-shrink: 0;
    margin-bottom: 4px;
    padding: 2px 0 6px 0;
}

.home-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 0; /* フレックスアイテムの溢れ防止 */
    gap: 4px;
}

/* チケットカードをさらにコンパクトに */
#panel-home .ticket-container {
    flex-shrink: 0;
    margin-bottom: 4px;
}

#panel-home .ticket {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#panel-home .ticket-body {
    padding: 6px 10px;
}

#panel-home .ticket-main {
    margin: 2px 0;
}

#panel-home .ticket-count {
    font-size: 1.8rem;
}

#panel-home .ticket-stub {
    width: 45px;
}

#panel-home .ticket-stub-label {
    font-size: 0.75rem;
    letter-spacing: 0.3em;
}

/* 各設定グループの余白を引き締め */
#panel-home .generator-config {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 0;
    gap: 4px;
}

#panel-home .config-group {
    display: flex;
    flex-direction: column;
    gap: 1px;
    flex-shrink: 0;
}

#panel-home .config-label {
    font-size: 0.78rem;
    margin-bottom: 1px;
}

#panel-home .chip-group {
    padding-bottom: 2px;
}

/* チップス（タグ）をコンパクトに */
#panel-home .chip {
    padding: 4px 8px;
    font-size: 0.72rem;
}

/* スライダー */
#panel-home #time-slider {
    margin: 2px 0;
}

/* 生成ボタンのサイズとマージンを最適化 */
#panel-home .primary-button {
    flex-shrink: 0;
    padding: 10px;
    margin-top: 4px;
    margin-bottom: 4px;
    font-size: 0.9rem;
}

/* トースト通知 */
.toast-notification {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(30, 20, 10, 0.92);
    color: var(--accent-gold);
    font-family: var(--font-serif);
    font-size: 1rem;
    letter-spacing: 0.08em;
    padding: 12px 28px;
    border-radius: 40px;
    border: 1px solid var(--accent-gold);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    z-index: 9999;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast-notification.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Web版広告・アフィリエイトエリア */
#web-ad-reader-container {
    display: none; /* デフォルト非表示 */
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 100%;
    margin-top: 4px;
    padding: 0 12px 4px 12px;
    background: transparent;
    box-sizing: border-box;
}

#web-ad-reader-container:has(div) {
    display: flex; /* 中身（広告）がある時だけ表示 */
}

#web-ad-reader-container > * {
    width: 100%;
    max-width: 480px;
    box-sizing: border-box;
}

/* Amazonアフィリエイトバナーデザイン（極限まで薄くスリム化） */
.web-affiliate-wrapper {
    width: 100%;
}

.amazon-affiliate-link {
    display: block;
    text-decoration: none;
    background: rgba(245, 240, 230, 0.4);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px; /* パディングを半分以下に */
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.amazon-affiliate-link:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.amazon-banner-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.amazon-banner-content h4 {
    margin: 0;
    color: var(--primary-color);
    font-size: 0.85rem; /* フォントを小さく */
    font-family: var(--font-serif);
    flex-grow: 1;
    text-align: left;
}

.amazon-banner-content p {
    display: none; /* 説明文を非表示にして1行にすっきり収める */
}

.amazon-banner-tag {
    font-size: 0.65rem;
    background: var(--accent-gold);
    color: #fff;
    padding: 1px 6px;
    border-radius: 3px;
    font-weight: bold;
    flex-shrink: 0;
}

/* 忍者AdMaxラッパー */
.web-admax-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
    min-height: 50px; /* 320x50などの細いバナーを想定し、空き地を50pxまで圧縮！ */
}

/* --- ルビ（フリガナ）非表示用CSS --- */
.story-content.ruby-disabled ruby rt {
    display: none;
}

/* --- 執筆モード切り替えトグル & おじいさん吹き出し --- */
.mode-selection-area {
    margin: 15px 0;
    padding: 12px 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.mode-toggle-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.config-label-small {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

/* モード切り替えタブデザイン */
.mode-tabs {
    display: flex;
    background-color: var(--bg-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 20px !important;
    padding: 3px !important;
    width: 230px !important;
    box-sizing: border-box !important;
}

.mode-tab {
    flex: 1 !important;
    background: none !important;
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
    color: var(--text-secondary) !important;
    padding: 6px 0 !important;
    font-size: 0.8rem !important;
    font-weight: bold !important;
    border-radius: 17px !important;
    cursor: pointer !important;
    text-align: center !important;
    transition: var(--transition-smooth) !important;
    user-select: none !important;
    display: block !important;
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
}

.mode-tab.active {
    background-color: var(--accent-red) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 2px 6px rgba(166, 28, 28, 0.3) !important;
}

/* おじいさんアバターと吹き出し */
.gramps-avatar-dialog {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 10px;
}

.gramps-face {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid var(--accent-gold);
    object-fit: cover;
    background: #000;
    box-shadow: 0 0 12px rgba(232, 184, 75, 0.5), 0 0 24px rgba(196, 124, 42, 0.2);
}

.gramps-balloon {
    position: relative;
    flex-grow: 1;
    background: rgba(30, 22, 8, 0.9);
    border: 1px solid rgba(196, 124, 42, 0.4);
    border-radius: 10px;
    padding: 10px 12px;
    min-height: 42px;
    display: flex;
    align-items: center;
    backdrop-filter: blur(4px);
}

.gramps-balloon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -6px;
    transform: translateY(-50%) rotate(45deg);
    width: 10px;
    height: 10px;
    background: rgba(30, 22, 8, 0.9);
    border-left: 1px solid rgba(196, 124, 42, 0.4);
    border-bottom: 1px solid rgba(196, 124, 42, 0.4);
}

.gramps-balloon p {
    font-size: 0.78rem;
    line-height: 1.4;
    color: var(--text-primary);
    margin: 0;
    font-family: var(--font-serif);
}

/* --- アコーディオンコンテナ --- */
.accordion-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 6px;
}

.accordion-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.accordion-header {
    width: 100%;
    background: transparent;
    border: none;
    padding: 10px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 0.8rem;
    font-weight: 600;
    text-align: left;
    user-select: none;
}

.accordion-header::after {
    content: '▼';
    font-size: 0.6rem;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.accordion-item.active .accordion-header::after {
    transform: rotate(180deg);
}

.accordion-content {
    display: none;
    padding: 10px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.accordion-item.active .accordion-content {
    display: block;
}

/* アコーディオン内のチップの隙間微調整 */
.accordion-content .chip-group {
    margin-bottom: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

/* マニュアルモード用チップスリストのスクロール・スクロールバー非表示化 */
.scrollable-chips {
    max-height: 150px;
    overflow-y: auto;
    padding: 2px;
}



/* --- 超大作モード：章見出し・区切り線 --- */
.epic-chapter-divider {
    border: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(232, 184, 75, 0.4), transparent);
    margin: 30px 0;
}

.vertical-mode .epic-chapter-divider {
    width: 1px;
    height: 80%;
    margin: 0 35px;
    background: linear-gradient(180deg, transparent, rgba(232, 184, 75, 0.4), transparent);
}

.epic-chapter-heading {
    font-family: var(--font-serif);
    color: var(--accent-gold);
    font-size: 1.35rem;
    font-weight: bold;
    letter-spacing: 0.15em;
    margin: 25px 0 15px 0;
    text-shadow: 0 0 10px rgba(232, 184, 75, 0.3);
}

.vertical-mode .epic-chapter-heading {
    margin: 0 30px 0 20px;
    line-height: 1.8;
}