:root {
            --bg-color: #F5FFC8; /* 背景：薄いクリーム色 */
            --tile-base: #5D9B0E; /* ずんだ色（基準） */
            --tile-text: #ffffff;
            --text-color: #333;
            --action-hint-min-height: 2.85rem;
            --step-btn-slot-min-height: 44px;
            /* roll + optional 4 rows (visibility-hidden still occupies space) + gaps */
            --dice-action-slot-min-height: 248px;
            --board-diary-list-max-height: min(260px, 34vh);
        }

        html {
            scrollbar-gutter: stable;
        }

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

        body.in-game {
            padding: 8px;
            align-items: stretch;
            overflow-x: hidden;
        }

        /* スマホ版UI・ゲーム中：固定音声バーとヘッダーが被らないよう確保（画面幅は問わない） */
        body.in-game.mobile-stack-layout {
            padding-left: max(8px, env(safe-area-inset-left, 0px));
            padding-right: max(8px, env(safe-area-inset-right, 0px));
            padding-top: calc(env(safe-area-inset-top, 0px) + 108px);
        }
        body.in-game.mobile-stack-layout .hero-pre-game {
            flex-direction: column;
            flex-wrap: nowrap;
            align-items: center;
            justify-content: flex-start;
            gap: 8px;
            width: 100%;
            max-width: 100%;
        }
        body.in-game.mobile-stack-layout .hero-pre-game > div:first-of-type {
            width: 100%;
            max-width: 100%;
            box-sizing: border-box;
        }
        body.in-game.mobile-stack-layout .hero-pre-game img[alt="ずんだもんの休日"] {
            height: 44px !important;
            max-width: min(260px, 88vw);
            width: auto !important;
            margin-left: auto;
            margin-right: auto;
            object-fit: contain;
        }
        body.in-game.mobile-stack-layout #top-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px;
            width: 100%;
            max-width: 100%;
            box-sizing: border-box;
        }
        body.in-game.mobile-stack-layout #author-badge {
            top: calc(env(safe-area-inset-top, 0px) + 8px);
            right: max(8px, env(safe-area-inset-right, 0px));
            left: auto;
            max-width: min(168px, 42vw);
            font-size: 8px;
            line-height: 1.25;
            padding: 4px 8px;
            text-align: right;
        }

        /* PC版UI・ゲーム中：横並びヘッダー＋盤は最小幅で横スクロール可 */
        body.in-game.ui-prefer-pc-layout {
            overflow-x: auto;
            padding-left: max(8px, env(safe-area-inset-left, 0px));
            padding-right: max(8px, env(safe-area-inset-right, 0px));
            padding-top: calc(env(safe-area-inset-top, 0px) + 88px);
        }
        body.in-game.ui-prefer-pc-layout .hero-pre-game {
            flex-direction: row;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 10px 16px;
        }
        body.in-game.ui-prefer-pc-layout .hero-pre-game img[alt="ずんだもんの休日"] {
            height: 52px !important;
            width: auto !important;
        }
        body.in-game.ui-prefer-pc-layout #author-badge {
            font-size: 10px;
            padding: 4px 8px;
            top: calc(env(safe-area-inset-top, 0px) + 6px);
            right: max(8px, env(safe-area-inset-right, 0px));
        }

        /* ボタン押下時の translateY で周囲が微妙に動いて見えるのを抑える */
        body.in-game button:active {
            transform: none;
        }

        /* ゲーム中もタイトル（ロゴ）と「遊び方」を表示 */
        body.in-game .hero-pre-game {
            display: flex;
            margin-bottom: 8px;
            flex-shrink: 0;
            width: 100%;
            box-sizing: border-box;
        }
        body.in-game .hero-pre-game > div:first-of-type {
            margin-bottom: 0 !important;
        }
        body.in-game #top-actions {
            margin-bottom: 0;
            flex: 0 0 auto;
        }

        /* 左上：1行目 SE+BGM（横並び）、2行目セリフ＋レイアウト切替（横並び） */
        #audio-controls-bar {
            position: fixed;
            top: calc(env(safe-area-inset-top, 0px) + 10px);
            left: max(12px, env(safe-area-inset-left, 0px));
            z-index: 2500;
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: flex-start;
        }
        body.in-game #audio-controls-bar {
            top: calc(env(safe-area-inset-top, 0px) + 6px);
            left: max(8px, env(safe-area-inset-left, 0px));
        }
        #audio-controls-row,
        #audio-controls-voice-row {
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }
        #se-toggle-btn,
        #bgm-toggle-btn,
        #voice-toggle-btn,
        #ui-layout-toggle-btn {
            font-size: 12px;
            font-weight: 700;
            color: rgba(0, 0, 0, 0.78);
            background: rgba(255, 255, 255, 0.88);
            border: 1px solid rgba(0, 0, 0, 0.10);
            border-radius: 999px;
            padding: 6px 12px;
            margin: 0;
            cursor: pointer;
            backdrop-filter: blur(4px);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
        }
        #ui-layout-toggle-btn {
            white-space: nowrap;
            flex-shrink: 0;
        }
        #se-toggle-btn.se-off,
        #bgm-toggle-btn.se-off,
        #voice-toggle-btn.se-off {
            color: rgba(0, 0, 0, 0.48);
            background: rgba(238, 238, 238, 0.94);
        }
        .audio-volume-block {
            display: flex;
            flex-direction: column;
            gap: 2px;
            width: 100%;
            padding: 5px 8px 6px;
            box-sizing: border-box;
            background: rgba(255, 255, 255, 0.82);
            border: 1px solid rgba(0, 0, 0, 0.08);
            border-radius: 10px;
            backdrop-filter: blur(4px);
        }
        #audio-settings-modal .audio-volume-block {
            background: rgba(245, 255, 210, 0.55);
            margin-bottom: 12px;
        }
        #audio-settings-modal .audio-volume-block:last-of-type {
            margin-bottom: 4px;
        }
        .audio-volume-block label {
            font-size: 10px;
            font-weight: 700;
            color: rgba(0, 0, 0, 0.52);
            letter-spacing: 0.02em;
        }
        .audio-volume-block input[type="range"] {
            width: 100%;
            margin: 0;
            height: 6px;
            accent-color: var(--tile-base);
        }

        /* 右上の作者表記 */
        #author-badge {
            position: fixed;
            top: 10px;
            right: 12px;
            font-size: 12px;
            color: rgba(0,0,0,0.65);
            background: rgba(255,255,255,0.75);
            border: 1px solid rgba(0,0,0,0.08);
            border-radius: 999px;
            padding: 6px 10px;
            backdrop-filter: blur(4px);
            z-index: 2500;
        }

        /* スマホ縦向き：横向き推奨（ゲーム中のみ表示） */
        #rotate-hint-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.72);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 3100;
            padding: 24px;
            box-sizing: border-box;
            backdrop-filter: blur(3px);
        }
        .rotate-hint-modal {
            background: #fff;
            border-radius: 18px;
            border: 5px solid var(--tile-base);
            padding: 22px 20px;
            max-width: 340px;
            text-align: center;
            box-shadow: 0 22px 50px rgba(0,0,0,0.28);
        }
        .rotate-hint-modal p {
            margin: 0;
            font-size: 1.15rem;
            font-weight: 900;
            color: var(--tile-base);
            line-height: 1.5;
        }
        /* ステータス欄のアイコン */
        .player-stat .name-line {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .player-stat .name-line img {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            object-fit: cover;
            border: 1px solid rgba(0,0,0,0.10);
            background: rgba(255,255,255,0.35);
        }

        /* トップ操作 */
        #top-actions {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin-bottom: 12px;
        }

        /* 遊び方ポップアップ */
        #howto-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.55);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 2200;
            backdrop-filter: blur(2px);
            padding: 18px;
            box-sizing: border-box;
        }
        #howto-modal {
            width: min(720px, 100%);
            background: #fff;
            border-radius: 16px;
            border: 5px solid var(--tile-base);
            box-shadow: 0 24px 60px rgba(0,0,0,0.25);
            padding: 18px 18px 14px;
            text-align: left;
        }
        #howto-modal h2 {
            margin: 0 0 10px;
            color: var(--tile-base);
        }
        #howto-modal ol {
            margin: 0;
            padding-left: 20px;
            line-height: 1.6;
        }
        #howto-modal .row {
            display: flex;
            justify-content: flex-end;
            margin-top: 12px;
        }

        /* 音声設定（音量）ポップアップ */
        #audio-settings-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 2205;
            backdrop-filter: blur(2px);
            padding: 18px;
            box-sizing: border-box;
        }
        #audio-settings-modal {
            width: min(400px, 100%);
            background: #fff;
            border-radius: 16px;
            border: 5px solid var(--tile-base);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
            padding: 18px 18px 14px;
            text-align: left;
        }
        #audio-settings-modal h2 {
            margin: 0 0 14px;
            color: var(--tile-base);
        }
        #audio-settings-modal .row {
            display: flex;
            justify-content: flex-end;
            margin-top: 12px;
        }

        /* TOP のみ表示：カード読み上げ */
        body.in-game #card-read-aloud-open-btn {
            display: none !important;
        }
        #card-read-aloud-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 2210;
            backdrop-filter: blur(2px);
            padding: 18px;
            box-sizing: border-box;
        }
        #card-read-aloud-modal {
            width: min(720px, 100%);
            max-height: min(92vh, 900px);
            overflow: auto;
            background: #fff;
            border-radius: 16px;
            border: 5px solid var(--tile-base);
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
            padding: 18px 18px 14px;
            text-align: left;
        }
        #card-read-aloud-modal h2 {
            margin: 0 0 8px;
            color: var(--tile-base);
        }
        .card-read-aloud-hint {
            margin: 0 0 14px;
            font-size: 0.9rem;
            color: #555;
            line-height: 1.5;
        }
        .card-read-aloud-body {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: flex-start;
            margin-bottom: 8px;
        }
        .card-read-aloud-controls {
            display: flex;
            flex-direction: column;
            gap: 12px;
            min-width: 140px;
        }
        .card-read-aloud-field label {
            display: block;
            font-size: 11px;
            font-weight: 700;
            color: rgba(0, 0, 0, 0.55);
            margin-bottom: 4px;
        }
        .card-read-aloud-field select {
            width: 100%;
            max-width: 200px;
            font-size: 1rem;
            padding: 8px 10px;
            border-radius: 8px;
            border: 1px solid rgba(0, 0, 0, 0.15);
        }
        .card-read-aloud-preview-wrap {
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 16px 20px;
            flex: 1 1 260px;
            min-width: 0;
        }
        .card-read-aloud-script {
            flex: 1 1 200px;
            min-width: min(100%, 200px);
            margin: 0;
            padding: 12px 14px;
            font-size: 0.95rem;
            line-height: 1.55;
            color: #222;
            background: rgba(0, 0, 0, 0.04);
            border-radius: 12px;
            border: 1px solid rgba(0, 0, 0, 0.08);
            white-space: pre-wrap;
            word-break: break-word;
            max-height: min(320px, 50vh);
            overflow-y: auto;
        }
        .card-read-aloud-script:empty {
            display: none;
        }
        .card-read-aloud-preview {
            border: none;
            padding: 0;
            margin: 0;
            background: transparent;
            cursor: pointer;
            border-radius: 14px;
            line-height: 0;
        }
        .card-read-aloud-preview:focus-visible {
            outline: 3px solid var(--tile-base);
            outline-offset: 4px;
        }
        .card-read-aloud-preview img {
            display: block;
            max-width: min(240px, 42vw);
            width: auto;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
        }
        #card-read-aloud-modal .row {
            display: flex;
            justify-content: flex-end;
            margin-top: 14px;
        }

        h1 { margin-bottom: 10px; color: var(--tile-base); text-shadow: 1px 1px 0 #fff; }

        /* ボタン */
        button {
            background-color: var(--tile-base);
            color: white;
            border: none;
            padding: 10px 20px;
            font-size: 1rem;
            border-radius: 8px;
            cursor: pointer;
            margin: 5px;
            transition: transform 0.1s;
            font-weight: bold;
            box-shadow: 0 4px 0 #3e6b06;
        }
        button:hover { transform: translateY(-2px); }
        button:active { transform: translateY(2px); box-shadow: 0 2px 0 #3e6b06; }
        button:disabled { background-color: #ccc; box-shadow: none; cursor: not-allowed; transform: none; }
        
        button.secondary {
            background-color: #fff;
            color: var(--tile-base);
            border: 2px solid var(--tile-base);
            box-shadow: none;
        }
        button.secondary:hover { background-color: #f0f0f0; }

        button.debug-btn {
            background-color: #333;
            box-shadow: 0 4px 0 #000;
        }

        /* ファイル読み込み・設定画面 */
        #loader-screen, #setup-screen {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            text-align: center;
            max-width: 500px;
            width: 90%;
            margin-top: 20px;
        }

        .file-input-group { margin: 15px 0; text-align: left; }
        label { display: block; margin-bottom: 5px; font-weight: bold; }
        input[type="file"] { display: block; width: 100%; padding: 5px; border: 1px solid #ddd; border-radius: 4px; }

        /* アイコン選択 */
        .icon-row {
            display: grid;
            grid-template-columns: 78px 1fr;
            align-items: start;
            gap: 10px;
        }
        .icon-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 8px;
        }
        @media (max-width: 520px) {
            .icon-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .icon-row {
                grid-template-columns: 64px 1fr;
            }
        }
        .icon-option {
            width: 100%;
            aspect-ratio: 1 / 1;
            border: 2px solid rgba(0,0,0,0.12);
            border-radius: 12px;
            background: rgba(255,255,255,0.85);
            display: grid;
            place-items: center;
            cursor: pointer;
            padding: 6px;
            box-sizing: border-box;
            transition: transform 0.08s ease, border-color 0.08s ease, box-shadow 0.08s ease;
        }
        .icon-option:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 14px rgba(0,0,0,0.10);
        }
        .icon-option.selected {
            border-color: var(--tile-base);
            box-shadow: 0 0 0 3px rgba(93, 155, 14, 0.25);
        }
        .icon-option:disabled {
            cursor: not-allowed;
            opacity: 0.35;
            transform: none;
            box-shadow: none;
        }
        .icon-option img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 10px;
            display: block;
        }

        /* ゲーム画面：左1/5＝操作・日記、右4/5＝盤面（PC/スマホ共通・横長前提） */
        #game-screen {
            display: none;
            width: 100%;
            max-width: none;
            flex: 1;
            min-height: 0;
            /* var(--x)fr の連結は環境によって無効になり列定義ごと無視されることがあるため 1fr/4fr を明示 */
            grid-template-columns: minmax(148px, 1fr) minmax(0, 4fr);
            grid-template-rows: minmax(0, 1fr);
            grid-auto-flow: row;
            gap: 12px;
            align-items: stretch;
            box-sizing: border-box;
        }

        body.in-game #game-screen {
            display: grid;
            min-height: calc(100dvh - 130px);
            min-height: calc(100vh - 130px);
        }

        #game-screen > #sidebar {
            grid-column: 1;
            grid-row: 1;
            min-width: 0;
        }

        #game-screen > #board-panel {
            grid-column: 2;
            grid-row: 1;
            min-width: 0;
        }

        /* 右ペイン：上＝盤面、下＝日記 */
        #board-panel {
            align-self: stretch;
            min-width: 0;
            min-height: 200px;
            display: flex;
            flex-direction: column;
            align-items: stretch;
            gap: 10px;
            overflow: hidden;
        }

        /* 盤面は日記と縦並び。board-stage に container-query を付けると
           初回レイアウトで cqh=0 → 盤の幅高さが0になり盤面が消えることがあるため使わない */
        .board-stage {
            flex-shrink: 0;
            display: grid;
            justify-items: center;
            align-items: start;
            width: 100%;
            min-width: 0;
        }

        .board-diary-panel {
            flex: 0 1 auto;
            min-height: 0;
            width: 100%;
            max-width: 100%;
            box-sizing: border-box;
        }

        /* ボードエリア */
        #board-container {
            position: relative;
            box-sizing: border-box;
            width: 100%;
            max-width: 100%;
            height: auto;
            /* background.PNG 実寸 667×357 に一致（旧359だと object-fit でずれやすい） */
            aspect-ratio: 667 / 357;
            background: transparent;
            border-radius: 15px;
            border: 2px solid #e0e0e0;
            overflow: hidden;
            box-shadow: 0 8px 18px rgba(0,0,0,0.08);
            margin: 0;
            max-height: 85vh;
        }
        #board-container.board-bg-error {
            border-color: #c62828;
            background: #ffebee;
        }
        #board-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: contain;
            z-index: 1;
            user-select: none;
            pointer-events: none;
        }
        .board-layer {
            position: absolute;
            inset: 0;
            z-index: 5;
        }
        /* Marker layer from Place*.PNG is hidden; token positions use JS anchors only. */
        #board-cell-layer {
            z-index: 6;
            pointer-events: none;
            visibility: hidden;
        }
        #board-track-layer {
            z-index: 8;
        }
        #status-track-layer {
            z-index: 9;
        }
        .board-tile-place {
            position: absolute;
            transform: translate(-50%, -50%);
            box-sizing: border-box;
            pointer-events: none;
            overflow: hidden;
            border-radius: 10px;
            box-shadow: 0 0 0 1px rgba(255,255,255,0.35), 0 2px 6px rgba(0,0,0,0.12);
        }
        .board-tile-place-fallback {
            background: rgba(93, 155, 14, 0.88);
            border: 1px solid rgba(255,255,255,0.5);
        }
        .board-tile-path-index {
            position: absolute;
            left: 50%;
            bottom: 3px;
            transform: translateX(-50%);
            font-size: clamp(10px, 2.6vw, 14px);
            font-weight: 900;
            line-height: 1;
            color: #fff;
            text-shadow: 0 0 3px #000, 0 1px 2px rgba(0,0,0,0.85);
            pointer-events: none;
            z-index: 1;
        }
        /** 当たり座標の宣言用（#board-anchor-spec）。表示しない。駒はJSで同じ比率を描画に使う */
        .board-anchor-spec {
            position: absolute;
            width: 0;
            height: 0;
            margin: 0;
            padding: 0;
            overflow: hidden;
            clip: rect(0 0 0 0);
            clip-path: inset(50%);
            border: 0;
            pointer-events: none;
        }

        /* プレイヤー駒（left/top はアンカー中心。見た目の中心を data-nx/ny と一致させる） */
        .player-token {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            position: absolute;
            border: 2px solid white;
            box-shadow: 0 0 4px rgba(0,0,0,0.6);
            transform: translate(-50%, -50%);
            transition: top 0.35s ease, left 0.35s ease;
            z-index: 10;
            overflow: hidden;
            background: rgba(255,255,255,0.2);
        }
        .player-token.track-happiness,
        .player-token.track-health {
            width: 20px;
            height: 20px;
            border-width: 1px;
            z-index: 12;
            transition: none;
        }

        .player-token img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        /* サイドバー（左ペイン・狭幅用）／スクロールバー出し入れで幅がガタつかないよう固定 */
        #sidebar {
            display: flex;
            flex-direction: column;
            gap: 8px;
            width: 100%;
            min-width: 0;
            min-height: 0;
            height: 100%;
            overflow-y: scroll;
            overflow-x: hidden;
            scrollbar-gutter: stable;
            margin: 0;
        }
        #sidebar .panel {
            padding: 10px;
        }
        #sidebar button {
            box-sizing: border-box;
        }
        .panel {
            background: white;
            padding: 15px;
            border-radius: 10px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            border-top: 4px solid var(--tile-base);
        }

        h3 { margin-top: 0; color: var(--tile-base); border-bottom: 2px solid #eee; padding-bottom: 5px; }

        #sidebar h3.turn-line {
            display: flex;
            flex-wrap: nowrap;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            line-height: 1.2;
            margin-bottom: 4px;
            word-break: keep-all;
            overflow: hidden;
        }
        #sidebar #current-player-name {
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        #sidebar #current-player-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
        }
        #sidebar #turn-metrics {
            flex-wrap: nowrap;
            gap: 6px;
            font-size: 0.8rem;
            justify-content: flex-start;
            margin-bottom: 4px;
        }
        #sidebar #turn-metrics > span {
            padding: 3px 8px;
            white-space: nowrap;
        }
        #sidebar #turn-metrics > span.turn-zunda-metric {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        #sidebar #turn-metrics > span.turn-zunda-metric img {
            width: 18px;
            height: 18px;
            object-fit: contain;
            flex-shrink: 0;
        }
        details.panel > summary {
            cursor: pointer;
            font-weight: 900;
            color: var(--tile-base);
            list-style: none;
        }
        details.panel > summary::-webkit-details-marker { display: none; }

        .turn-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        #turn-metrics {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-weight: 900;
            margin-bottom: 6px;
            color: #333;
        }
        #turn-metrics > span {
            background: rgba(255,255,255,0.75);
            border: 1px solid rgba(0,0,0,0.08);
            border-radius: 999px;
            padding: 4px 10px;
        }
        #turn-metrics > span.turn-zunda-metric {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        #turn-metrics > span.turn-zunda-metric img {
            width: 20px;
            height: 20px;
            object-fit: contain;
            flex-shrink: 0;
        }
        #current-player-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid #fff;
            box-shadow: 0 0 4px rgba(0,0,0,0.35);
            background: rgba(255,255,255,0.25);
        }

        /* 山札：左ペインで2列／枚数非表示／切れは灰色プレースホルダー */
        #deck-area {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 6px 8px;
            margin-top: 4px;
        }
        #deck-area .deck-stack:nth-child(3) {
            grid-column: 1 / -1;
            justify-content: center;
        }
        .deck-stack {
            display: flex;
            justify-content: center;
            align-items: flex-start;
            min-width: 0;
        }
        .deck-card {
            width: 64px;
            max-width: 100%;
            aspect-ratio: 3 / 4;
            border-radius: 10px;
            border: 2px solid rgba(0,0,0,0.12);
            box-shadow: 0 10px 20px rgba(0,0,0,0.12);
            background: #fff;
            overflow: hidden;
            position: relative;
        }
        .deck-card.deck-empty {
            background: #b8b8b8;
            border-color: rgba(0,0,0,0.14);
            box-shadow: inset 0 2px 8px rgba(0,0,0,0.15);
            pointer-events: none;
            cursor: default;
        }
        .deck-card.deck-empty.clickable {
            outline: none;
            outline-offset: 0;
        }
        .deck-card.deck-empty img {
            display: none;
        }
        .deck-card img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
        }
        #hand-panel {
            margin-top: 8px;
            padding: 8px;
            border: 1px solid rgba(0,0,0,0.08);
            border-radius: 10px;
            background: rgba(255,255,255,0.86);
        }
        #hand-panel-title {
            font-size: 0.82rem;
            font-weight: 800;
            color: var(--tile-base);
            margin-bottom: 4px;
        }
        #hand-panel-hint {
            font-size: 0.72rem;
            color: #444;
            margin-bottom: 6px;
            min-height: 1.1em;
        }
        #yaku-banner-row {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            margin-bottom: 6px;
            min-height: 0;
        }
        #yaku-banner-row:empty {
            display: none;
        }
        .yaku-banner-slot {
            flex: 0 1 auto;
            max-width: calc(50% - 3px);
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, 0.1);
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
        }
        .yaku-banner-img {
            display: block;
            width: 100%;
            height: auto;
            max-height: 52px;
            object-fit: contain;
        }
        #hand-list {
            display: flex;
            flex-direction: column;
            gap: 5px;
            max-height: 140px;
            overflow-y: auto;
        }
        .hand-row {
            display: grid;
            grid-template-columns: 40px minmax(0, 1fr) auto auto;
            gap: 4px;
            align-items: center;
            background: rgba(255,255,255,0.9);
            border: 1px solid rgba(0,0,0,0.08);
            border-radius: 7px;
            padding: 4px 5px;
            font-size: 0.72rem;
        }
        .hand-row-empty {
            grid-template-columns: 1fr;
        }
        .hand-row-empty .hand-card-name {
            grid-column: 1;
        }
        .hand-card-thumb-wrap {
            width: 40px;
            aspect-ratio: 3 / 4;
            border-radius: 5px;
            overflow: hidden;
            border: 1px solid rgba(0, 0, 0, 0.12);
            background: #f5f5f5;
            flex-shrink: 0;
        }
        .hand-card-thumb {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
        }
        .hand-card-name {
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }
        .hand-row button {
            margin: 0;
            padding: 4px 6px;
            font-size: 0.66rem;
            border-radius: 6px;
            box-shadow: none;
            min-height: 0;
        }
        .hand-row button.nullify-btn {
            background: #333;
            color: #fff;
        }

        /* ドロー演出 */
        #draw-anim-layer {
            position: fixed;
            inset: 0;
            pointer-events: none;
            z-index: 1500;
        }
        .draw-anim-card {
            position: fixed;
            width: 78px;
            aspect-ratio: 3 / 4;
            border-radius: 10px;
            overflow: hidden;
            border: 2px solid rgba(0,0,0,0.18);
            box-shadow: 0 18px 40px rgba(0,0,0,0.25);
            background: #fff;
            transform-origin: center;
        }
        .draw-anim-card img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
        }

        .player-stat {
            padding: 8px;
            border-bottom: 1px solid #eee;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .player-stat.active {
            background-color: #e6ffe6;
            border-left: 5px solid var(--tile-base);
            font-weight: bold;
        }

        /* 日記タブ */
        #diary-tabs {
            display: flex;
            gap: 5px;
            margin-bottom: 8px;
            overflow-x: auto;
            padding-bottom: 2px;
        }
        .tab-btn {
            padding: 4px 8px;
            border: 1px solid #ccc;
            background: #f9f9f9;
            color: #666;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.8rem;
            white-space: nowrap;
            margin: 0;
            box-shadow: none;
        }
        .tab-btn:hover { transform: none; background: #eee; }
        .tab-btn.active {
            background: var(--tile-base);
            color: white;
            border-color: var(--tile-base);
            font-weight: bold;
        }

        /* 日記リスト（盤下の広いエリア向け） */
        #diary-list {
            min-height: 120px;
            max-height: var(--board-diary-list-max-height);
            overflow-y: auto;
            font-size: 0.8rem;
            border: 1px solid #eee;
            padding: 5px;
            background: #fafafa;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(72px, 1fr));
            gap: 6px;
            align-content: start;
        }
        .log-entry {
            margin: 0;
            padding: 6px;
            background: white;
            border: 1px solid rgba(0,0,0,0.08);
            border-radius: 12px;
            cursor: pointer;
            transition: transform 0.08s ease, box-shadow 0.08s ease, border-color 0.08s ease;
        }
        .log-entry.has-card {
            background-color: #fffaf0;
            border-color: rgba(254, 202, 87, 0.65);
        }
        .log-entry.has-card:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 22px rgba(0,0,0,0.10);
            background-color: #fff6dc;
        }
        .log-entry .card-thumb {
            width: 100%;
            aspect-ratio: 3 / 4;
            object-fit: contain;
            border-radius: 10px;
            display: block;
            border: 2px solid rgba(0,0,0,0.08);
            background: rgba(255,255,255,0.6);
        }

        #dice-area { text-align: left; padding: 8px 10px; }
        .dice-row {
            display: flex;
            flex-direction: row;
            flex-wrap: nowrap;
            gap: 8px;
            align-items: center;
            justify-content: flex-start;
            margin: 4px 0;
        }
        #sidebar .dice-row {
            min-width: 0;
        }
        #sidebar #dice-display {
            flex: 0 0 auto;
        }
        #dice-display {
            font-size: 2.4rem;
            margin: 0;
            height: 48px;
            line-height: 48px;
            color: #333;
        }
        #action-hint {
            font-size: 0.82rem;
            line-height: 1.4;
            color: #333;
            background: rgba(255,255,255,0.85);
            border: 1px solid rgba(0,0,0,0.08);
            border-radius: 10px;
            padding: 5px 8px;
            margin-top: 4px;
            text-align: left;
            min-height: var(--action-hint-min-height);
            box-sizing: border-box;
        }
        /* 「1マス進む」表示の有無で下のデッキ位置が跳ねないよう枠だけ確保 */
        .step-btn-slot {
            margin-top: 4px;
            min-height: var(--step-btn-slot-min-height);
            display: flex;
            align-items: flex-start;
        }
        .step-btn-slot #step-btn {
            width: 100%;
        }
        /* 結果発表ボタン表示でレイアウトが伸びないよう、2段ボタン分の最低高さを確保 */
        .dice-action-slot {
            display: flex;
            flex-direction: column;
            gap: 4px;
            min-height: var(--dice-action-slot-min-height);
            margin-top: 2px;
        }
        .dice-action-slot button {
            margin-top: 0;
            margin-bottom: 0;
        }
        /* Avoid layout jump: keep box size; toggle visibility instead of display:none */
        .optional-dice-action-btn {
            display: block;
            width: 100%;
            box-sizing: border-box;
            visibility: hidden;
        }
        .optional-dice-action-btn.is-action-visible {
            visibility: visible;
        }
        body.hide-special-action-ui .optional-dice-action-btn {
            display: none !important;
        }
        body.hide-special-action-ui .dice-action-slot {
            min-height: 48px;
        }
        #step-btn {
            display: none;
            margin-top: 0;
        }
        .deck-card.clickable {
            outline: 3px solid rgba(254, 202, 87, 0.85);
            outline-offset: 3px;
            cursor: pointer;
        }

        /* カードポップアップ */
        #card-overlay {
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0,0,0,0.6);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 1000;
            backdrop-filter: blur(2px);
        }
        .card-modal {
            background: white;
            padding: 25px;
            border-radius: 20px;
            width: 85%;
            max-width: 400px;
            text-align: center;
            border: 5px solid var(--tile-base);
            position: relative;
            animation: popIn 0.3s ease;
        }
        .modal-card-pair {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            margin: 8px 0 10px;
        }
        .modal-card-pair img {
            width: 100%;
            max-height: 190px;
            object-fit: contain;
            border-radius: 10px;
            border: 1px solid rgba(0,0,0,0.08);
            background: rgba(255,255,255,0.8);
        }
        #modal-card-image-secondary.hidden {
            display: none;
        }
        @keyframes popIn { from { transform: scale(0.8); opacity: 0; } to { transform: scale(1); opacity: 1; } }

        .card-badge {
            background: var(--tile-base);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 15px;
            font-weight: bold;
        }
        .card-text { font-size: 1.1rem; line-height: 1.6; margin-bottom: 20px; min-height: 60px; }
        .stat-change { 
            display: flex; justify-content: center; gap: 15px; margin-bottom: 20px; font-weight: bold; background: #f0f0f0; padding: 10px; border-radius: 8px;
        }
        .stat-change span { color: #d63031; }
        .stat-change span.plus { color: #00b894; }
        #health-bonus-choice-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.56);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 1250;
            backdrop-filter: blur(2px);
            padding: 16px;
            box-sizing: border-box;
        }
        .health-bonus-choice-modal {
            background: #fff;
            border-radius: 14px;
            border: 4px solid var(--tile-base);
            padding: 16px;
            width: min(420px, 100%);
            text-align: center;
        }
        .health-bonus-choice-modal h3 {
            margin: 0 0 8px;
            border: none;
            padding: 0;
        }
        .health-bonus-choice-modal p {
            margin: 0 0 10px;
            font-size: 0.92rem;
        }
        .health-bonus-choice-modal .row {
            display: flex;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        /* 結果画面 */
        #winner-screen {
            display: none;
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(93, 155, 14, 0.95);
            z-index: 2000;
            color: white;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }
        table { border-collapse: collapse; background: white; color: #333; margin: 20px; border-radius: 8px; overflow: hidden; width: 90%; max-width: 600px; }
        th, td { padding: 12px 15px; text-align: center; border-bottom: 1px solid #ddd; }
        th { background: #333; color: white; }

        .result-yaku-cell {
            padding: 8px 10px;
        }
        .result-yaku-wrap {
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
            justify-content: center;
        }
        .result-yaku-banners {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            justify-content: center;
        }
        .result-yaku-banner {
            width: 180px;
            max-width: 100%;
            height: 52px;
            object-fit: contain;
            display: block;
            border-radius: 8px;
            border: 1px solid rgba(0, 0, 0, 0.1);
            background: rgba(255, 255, 255, 0.95);
        }
        .result-yaku-text {
            font-size: 0.8rem;
            line-height: 1.1;
            color: #333;
            white-space: nowrap;
        }
        
        /* 終了後のメニュー */
        .end-menu { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; justify-content: center; }
        
        #show-result-btn {
            display: none;
            width: 100%;
            margin: 0;
            background-color: #333;
        }

        #sidebar #dice-area .dice-action-slot button {
            margin: 0;
        }

        body.in-game.ui-prefer-pc-layout #game-screen {
            min-width: 720px;
            width: max(100%, 720px);
        }

        /* スマホ向け：盤を上・操作を下に縦積み */
        body.in-game.mobile-stack-layout #game-screen {
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-height: auto;
            align-items: stretch;
        }
        body.in-game.mobile-stack-layout #board-panel {
            order: -1;
            flex: 0 0 auto;
            min-height: 0;
            overflow: visible;
        }
        body.in-game.mobile-stack-layout #sidebar {
            flex: 0 1 auto;
            height: auto;
            max-height: none;
            overflow-y: visible;
            overflow-x: hidden;
        }
        body.in-game.mobile-stack-layout #board-container {
            max-height: min(50svh, 380px);
        }
        body.in-game.mobile-stack-layout {
            --board-diary-list-max-height: min(240px, 36vh);
        }
        body.in-game.mobile-stack-layout #sidebar .panel {
            padding: 10px 12px;
        }
        body.in-game.mobile-stack-layout #sidebar button {
            min-height: 44px;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        body.in-game.mobile-stack-layout #deck-area {
            grid-template-columns: repeat(3, 1fr);
            gap: 8px 10px;
        }
        body.in-game.mobile-stack-layout #deck-area .deck-stack:nth-child(3) {
            grid-column: auto;
            justify-content: center;
        }
        body.in-game.mobile-stack-layout .tab-btn {
            min-height: 36px;
            padding: 6px 10px;
            font-size: 0.85rem;
        }
        body.in-game.mobile-stack-layout .dice-row {
            flex-wrap: wrap;
        }
        body.in-game.mobile-stack-layout #dice-display {
            font-size: 2rem;
            height: 44px;
            line-height: 44px;
        }

        .hidden { display: none !important; }