@media (max-width: 820px) {

    html,
    body {
        width: 100% !important;
        height: var(--app-height, 100svh) !important;
        margin: 0 !important;
        padding: 0 !important;
        overflow: hidden !important;
        overscroll-behavior: none !important;
        touch-action: none !important;
        -webkit-user-select: none !important;
        user-select: none !important;
        -webkit-touch-callout: none !important;
        -webkit-text-size-adjust: 100% !important;
    }

    body {
        position: fixed !important;
        inset: 0 !important;
    }

    .game-wrap {
        width: 100% !important;
        height: var(--app-height, 100svh) !important;
        min-height: 0 !important;
        padding: max(4px, env(safe-area-inset-top)) 6px max(6px, env(safe-area-inset-bottom)) !important;
        overflow: hidden !important;
        touch-action: none !important;
    }

    .game-panel {
        width: 100% !important;
        height: 100% !important;
        max-width: 430px !important;
        min-height: 0 !important;
        margin: 0 auto !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 4px !important;
        overflow: hidden !important;
        touch-action: none !important;
    }

    .game-title {
        display: none !important;
    }

    .game-layout {
        width: 100% !important;
        flex: 1 1 auto !important;
        min-height: 0 !important;
        display: grid !important;
        grid-template-columns: 1fr !important;
        grid-template-rows: 54px 52px minmax(0, 1fr) !important;
        gap: 4px !important;
        align-items: center !important;
        justify-items: center !important;
        overflow: hidden !important;
    }

    .character-panel {
        grid-row: 1 !important;
        width: min(96vw, 410px) !important;
        height: 54px !important;
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 5px !important;
        margin: 0 !important;
    }

    .character-card {
        width: 100% !important;
        height: 54px !important;
        min-width: 0 !important;
        padding: 2px 4px !important;
        display: grid !important;
        grid-template-columns: 46px minmax(0, 1fr) !important;
        align-items: center !important;
        gap: 3px !important;
        border-radius: 10px !important;
    }

    .character-face-wrap,
    .character-face {
        width: 46px !important;
        height: 46px !important;
        max-width: 46px !important;
    }

    .character-face {
        object-fit: contain !important;
    }

    .speech {
        min-height: 0 !important;
        padding: 2px !important;
        font-size: 9px !important;
        line-height: 1.1 !important;
        background: transparent !important;
        overflow-wrap: anywhere !important;
    }

    .info-panel {
        grid-row: 2 !important;
        width: min(96vw, 410px) !important;
        height: 52px !important;
        min-height: 52px !important;
        padding: 0 !important;
        margin: 0 !important;
        display: grid !important;
        grid-template-columns: 72px minmax(0, 1fr) 54px 62px !important;
        gap: 4px !important;
        align-items: center !important;
        overflow: visible !important;
    }

    .hud-block {
        padding: 0 !important;
        margin: 0 !important;
        min-width: 0 !important;
    }

    .hud-label {
        font-size: 8px !important;
        letter-spacing: 0.12em !important;
    }

    .score-value {
        margin: 0 !important;
        font-size: 23px !important;
        line-height: 1 !important;
    }

    .fever-header {
        margin: 0 !important;
        gap: 4px !important;
    }

    #feverValue {
        font-size: 11px !important;
    }

    .fever-bar {
        height: 7px !important;
        margin-top: 2px !important;
    }

    .next-block {
        display: block !important;
        width: 54px !important;
        min-width: 54px !important;
        height: 52px !important;
        padding: 0 !important;
        margin: 0 !important;
        text-align: center !important;
        overflow: visible !important;
    }

    .next-block .hud-label {
        display: block !important;
        text-align: center !important;
        line-height: 10px !important;
    }

    #nextCanvas {
        display: block !important;
        width: 42px !important;
        height: 42px !important;
        margin: 0 auto !important;
    }

    .controls {
        display: flex !important;
        width: 62px !important;
        height: 52px !important;
        padding: 0 !important;
        margin: 0 !important;
        border: 0 !important;
        align-items: center !important;
        justify-content: center !important;
    }

    .controls .key-help {
        display: none !important;
    }

    #pauseBtn {
        display: block !important;
        width: 60px !important;
        height: 38px !important;
        min-height: 38px !important;
        padding: 0 !important;
        margin: 0 !important;
        font-size: 9px !important;
        touch-action: none !important;
        -webkit-tap-highlight-color: transparent !important;
    }

    .board-area {
        grid-row: 3 !important;
        height: 100% !important;
        width: auto !important;
        max-width: 78vw !important;
        min-height: 0 !important;
        min-width: 0 !important;
        aspect-ratio: 1 / 2 !important;
        overflow: hidden !important;
        touch-action: none !important;
    }

    #gameCanvas {
        display: block !important;
        width: 100% !important;
        height: 100% !important;
        aspect-ratio: 1 / 2 !important;
        border-radius: 10px !important;
        touch-action: none !important;
        -webkit-user-select: none !important;
        user-select: none !important;
    }

    .mobile-controls {
        width: min(96vw, 410px) !important;
        height: 58px !important;
        flex: 0 0 58px !important;
        display: grid !important;
        grid-template-columns: minmax(0, 1fr) 64px !important;
        gap: 6px !important;
        position: static !important;
        margin: 0 !important;
        padding: 0 !important;
        background: transparent !important;
        z-index: 100 !important;
        touch-action: none !important;
        -webkit-user-select: none !important;
        user-select: none !important;
        -webkit-touch-callout: none !important;
    }

    .move-pad {
        display: grid !important;
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
        gap: 5px !important;
    }

    .mobile-controls button {
        width: 100% !important;
        height: 58px !important;
        min-width: 0 !important;
        padding: 0 !important;
        margin: 0 !important;
        border-radius: 13px !important;
        font-size: 26px !important;
        touch-action: none !important;
        -webkit-user-select: none !important;
        user-select: none !important;
        -webkit-touch-callout: none !important;
        -webkit-tap-highlight-color: transparent !important;
    }

    .rotate-button {
        font-size: 27px !important;
    }
}

@media (max-width: 820px) and (max-height: 700px) {
    .game-layout {
        grid-template-rows: 48px 48px minmax(0, 1fr) !important;
    }

    .character-panel,
    .character-card {
        height: 48px !important;
    }

    .character-face-wrap,
    .character-face {
        width: 40px !important;
        height: 40px !important;
        max-width: 40px !important;
    }

    .character-card {
        grid-template-columns: 40px minmax(0, 1fr) !important;
    }

    .info-panel,
    .next-block,
    .controls {
        height: 48px !important;
        min-height: 48px !important;
    }

    #nextCanvas {
        width: 38px !important;
        height: 38px !important;
    }

    .mobile-controls,
    .mobile-controls button {
        height: 52px !important;
    }

    .mobile-controls {
        flex-basis: 52px !important;
    }
}


/* ========================================
   IPAD LAYOUT
   821px ～ 1180px
======================================== */

@media (min-width: 821px) and (max-width: 1366px) {

    html,
    body {
        width: 100%;
        min-height: 100%;
        overflow: hidden;
        overscroll-behavior: none;
    }

    body {
        padding: 0;
        touch-action: none;
    }

    .game-wrap {
        width: 100%;
        min-height: 100vh;
        padding:
            max(12px, env(safe-area-inset-top)) 18px max(14px, env(safe-area-inset-bottom));
    }

    .game-panel {
        width: 100%;
        max-width: 900px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .game-title {
        display: none;
    }

    .game-layout {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    /* キャラを上に2人横並び */
    .character-panel {
        order: 1;
        width: min(92vw, 760px);
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
    }

    .character-card {
        width: auto;
        height: 112px;
        padding: 8px 12px;
        display: grid;
        grid-template-columns: 96px minmax(0, 1fr);
        align-items: center;
        gap: 10px;
        border-radius: 20px;
    }

    .character-face-wrap {
        width: 96px;
        max-width: 96px;
        margin: 0;
    }

    .character-face {
        width: 96px;
        height: 96px;
        object-fit: contain;
    }

    .speech {
        min-width: 0;
        padding: 8px 10px;
        font-size: 15px;
        line-height: 1.35;
    }

    /* HUD */
    .info-panel {
        order: 2;
        width: min(92vw, 760px);
        display: grid;
        grid-template-columns:
            120px minmax(0, 1fr) 100px 110px;
        align-items: center;
        gap: 12px;
        padding: 0;
        text-align: left;
    }

    .score-block,
    .fever-block,
    .next-block,
    .controls {
        display: block !important;
    }

    .hud-label {
        font-size: 11px;
        letter-spacing: 0.14em;
    }

    .score-value {
        margin-top: 2px;
        font-size: 34px;
        line-height: 1;
    }

    #feverValue {
        font-size: 16px;
    }

    .fever-bar {
        height: 12px;
        margin-top: 6px;
    }

    .next-block {
        width: 100px;
        min-width: 100px;
        text-align: center;
    }

    #nextCanvas {
        display: block;
        width: 76px;
        height: 76px;
        margin: 0 auto;
    }

    .controls {
        width: 110px;
        padding: 0;
    }

    .controls .key-help {
        display: none;
    }

    #pauseBtn {
        display: block;
        width: 100%;
        height: 46px;
        padding: 0;
        font-size: 12px;
        touch-action: none;
    }

    /* 盤面 */
    .board-area {
        order: 3;
        width: min(44vw, 360px);
        max-width: 360px;
        flex: 0 0 auto;
    }

    #gameCanvas {
        width: 100%;
        height: auto;
        aspect-ratio: 1 / 2;
        border-radius: 16px;
        touch-action: none;
    }

    /* iPadでも操作ボタンを表示 */
    .mobile-controls {
        display: grid !important;
        grid-template-columns: minmax(0, 1fr) 110px;
        width: min(92vw, 760px);
        height: 72px;
        margin: 12px auto 0;
        gap: 12px;
        flex: 0 0 auto;
        touch-action: none;
        user-select: none;
        -webkit-user-select: none;
        -webkit-touch-callout: none;
    }

    .move-pad {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 10px;
    }

    .mobile-controls button {
        width: 100%;
        height: 72px;
        padding: 0;
        touch-action: none;
        user-select: none;
        -webkit-user-select: none;
        -webkit-touch-callout: none;
        -webkit-tap-highlight-color: transparent;
        border-radius: 18px;
        font-size: 30px;
        font-weight: 900;
    }

    .rotate-button {
        font-size: 34px !important;
    }

    .giyu-attack-message {
        width: min(86vw, 760px);
    }

    .giyu-attack-message-text {
        font-size: 34px;
    }

    .festival-text {
        font-size: 52px;
    }

    .start-message {
        font-size: 54px;
    }
}

/* ========================================
   IPAD FORCE TOUCH LAYOUT
   幅ではなく ipad-mode で強制
======================================== */

html.ipad-mode,
html.ipad-mode body {
    width: 100% !important;
    min-height: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    overflow: hidden !important;
    overscroll-behavior: none !important;
    touch-action: none !important;
}

html.ipad-mode body {
    position: fixed !important;
    inset: 0 !important;
}

html.ipad-mode .game-wrap {
    width: 100% !important;
    height: var(--app-height, 100svh) !important;
    min-height: 0 !important;
    padding:
        max(10px, env(safe-area-inset-top)) 16px max(12px, env(safe-area-inset-bottom)) !important;
    overflow: hidden !important;
}

html.ipad-mode .game-panel {
    width: 100% !important;
    height: 100% !important;
    max-width: 820px !important;
    margin: 0 auto !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    gap: 8px !important;
}

html.ipad-mode .game-title {
    display: none !important;
}

html.ipad-mode .game-layout {
    width: 100% !important;
    flex: 1 1 auto !important;
    min-height: 0 !important;
    display: grid !important;
    grid-template-columns: 1fr !important;
    grid-template-rows: 100px 72px minmax(0, 1fr) !important;
    gap: 8px !important;
    align-items: center !important;
    justify-items: center !important;
    overflow: hidden !important;
}

/* キャラ2人を上に並べる */

html.ipad-mode .character-panel {
    grid-row: 1 !important;
    width: min(94vw, 760px) !important;
    height: 100px !important;
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
    margin: 0 !important;
}

html.ipad-mode .character-card {
    width: 100% !important;
    height: 100px !important;
    padding: 5px 8px !important;
    display: grid !important;
    grid-template-columns: 82px minmax(0, 1fr) !important;
    align-items: center !important;
    gap: 8px !important;
}

html.ipad-mode .character-face-wrap,
html.ipad-mode .character-face {
    width: 82px !important;
    height: 82px !important;
    max-width: 82px !important;
}

html.ipad-mode .character-face {
    object-fit: contain !important;
}

html.ipad-mode .speech {
    min-height: 0 !important;
    padding: 6px 8px !important;
    font-size: 14px !important;
    line-height: 1.3 !important;
}

/* SCORE / FEVER / NEXT / PAUSE */

html.ipad-mode .info-panel {
    grid-row: 2 !important;
    width: min(94vw, 760px) !important;
    height: 72px !important;
    min-height: 72px !important;
    padding: 0 !important;
    margin: 0 !important;
    display: grid !important;
    grid-template-columns:
        110px minmax(0, 1fr) 88px 100px !important;
    gap: 10px !important;
    align-items: center !important;
}

html.ipad-mode .score-block,
html.ipad-mode .fever-block,
html.ipad-mode .next-block,
html.ipad-mode .controls {
    display: block !important;
}

html.ipad-mode .hud-label {
    font-size: 10px !important;
}

html.ipad-mode .score-value {
    font-size: 30px !important;
}

html.ipad-mode #feverValue {
    font-size: 14px !important;
}

html.ipad-mode .fever-bar {
    height: 10px !important;
}

html.ipad-mode .next-block {
    width: 88px !important;
    min-width: 88px !important;
    text-align: center !important;
}

html.ipad-mode #nextCanvas {
    display: block !important;
    width: 62px !important;
    height: 62px !important;
    margin: 0 auto !important;
}

html.ipad-mode .controls {
    width: 100px !important;
}

html.ipad-mode .controls .key-help {
    display: none !important;
}

html.ipad-mode #pauseBtn {
    display: block !important;
    width: 96px !important;
    height: 44px !important;
    padding: 0 !important;
    touch-action: none !important;
}

/* 盤面 */

html.ipad-mode .board-area {
    grid-row: 3 !important;
    height: 100% !important;
    width: auto !important;
    max-width: 48vw !important;
    min-width: 0 !important;
    min-height: 0 !important;
    aspect-ratio: 1 / 2 !important;
    overflow: hidden !important;
}

html.ipad-mode #gameCanvas {
    display: block !important;
    width: 100% !important;
    height: 100% !important;
    aspect-ratio: 1 / 2 !important;
    touch-action: none !important;
}

/* ← ↓ → ↻ を必ず表示 */

html.ipad-mode .mobile-controls {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) 96px !important;
    width: min(94vw, 760px) !important;
    height: 68px !important;
    flex: 0 0 68px !important;
    gap: 10px !important;
    margin: 0 !important;
    padding: 0 !important;
    position: static !important;
    touch-action: none !important;
}

html.ipad-mode .move-pad {
    display: grid !important;
    grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    gap: 8px !important;
}

html.ipad-mode .mobile-controls button {
    display: block !important;
    width: 100% !important;
    height: 68px !important;
    padding: 0 !important;
    margin: 0 !important;
    font-size: 30px !important;
    border-radius: 16px !important;
    touch-action: none !important;
    -webkit-user-select: none !important;
    user-select: none !important;
    -webkit-touch-callout: none !important;
    -webkit-tap-highlight-color: transparent !important;
}

html.ipad-mode .rotate-button {
    font-size: 32px !important;
}

/* ========================================
   IPAD LANDSCAPE
======================================== */

@media (orientation: landscape) {

    html.ipad-mode .game-wrap {
        height: var(--app-height, 100svh) !important;
        padding:
            max(8px, env(safe-area-inset-top)) 14px max(8px, env(safe-area-inset-bottom)) !important;
    }

    html.ipad-mode .game-panel {
        max-width: 1180px !important;
        height: 100% !important;
        justify-content: center !important;
    }

    html.ipad-mode .game-layout {
        width: min(96vw, 1140px) !important;
        height: calc(100% - 82px) !important;

        display: grid !important;
        grid-template-columns:
            250px minmax(260px, 360px) minmax(260px, 1fr) !important;

        grid-template-rows: 1fr !important;

        gap: 18px !important;

        align-items: center !important;
        justify-items: stretch !important;
    }

    /* 左：キャラ */

    html.ipad-mode .character-panel {
        grid-column: 1 !important;
        grid-row: 1 !important;

        width: 100% !important;
        height: auto !important;

        display: grid !important;
        grid-template-columns: 1fr !important;
        grid-template-rows: repeat(2, minmax(0, 1fr)) !important;

        gap: 14px !important;
    }

    html.ipad-mode .character-card {
        width: 100% !important;
        height: auto !important;
        min-height: 0 !important;

        padding: 10px !important;

        display: flex !important;
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;

        gap: 6px !important;
    }

    html.ipad-mode .character-face-wrap,
    html.ipad-mode .character-face {
        width: 118px !important;
        height: 118px !important;
        max-width: 118px !important;
    }

    html.ipad-mode .speech {
        width: 100% !important;
        padding: 7px 8px !important;
        font-size: 13px !important;
        text-align: center !important;
    }

    /* 中央：盤面 */

    html.ipad-mode .board-area {
        grid-column: 2 !important;
        grid-row: 1 !important;

        width: auto !important;
        height: min(78vh, 680px) !important;
        max-width: none !important;

        aspect-ratio: 1 / 2 !important;

        justify-self: center !important;
    }

    html.ipad-mode #gameCanvas {
        width: 100% !important;
        height: 100% !important;
    }

    /* 右：HUD */

    html.ipad-mode .info-panel {
        grid-column: 3 !important;
        grid-row: 1 !important;

        width: 100% !important;
        height: auto !important;

        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        grid-template-rows: auto auto !important;

        gap: 14px !important;

        align-self: center !important;
    }

    html.ipad-mode .score-block,
    html.ipad-mode .fever-block,
    html.ipad-mode .next-block,
    html.ipad-mode .controls {
        display: block !important;
        width: auto !important;
        min-width: 0 !important;
    }

    html.ipad-mode .score-value {
        font-size: 40px !important;
    }

    html.ipad-mode #feverValue {
        font-size: 16px !important;
    }

    html.ipad-mode .next-block {
        text-align: center !important;
    }

    html.ipad-mode #nextCanvas {
        width: 82px !important;
        height: 82px !important;
    }

    html.ipad-mode .controls {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
    }

    html.ipad-mode #pauseBtn {
        width: 110px !important;
        height: 52px !important;
        font-size: 13px !important;
    }

    /* 下：操作ボタン */

    html.ipad-mode .mobile-controls {
        width: min(96vw, 900px) !important;
        height: 72px !important;

        display: grid !important;
        grid-template-columns: minmax(0, 1fr) 110px !important;

        gap: 12px !important;
        margin: 8px auto 0 !important;

        flex: 0 0 72px !important;
    }

    html.ipad-mode .move-pad {
        display: grid !important;
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
        gap: 10px !important;
    }

    html.ipad-mode .mobile-controls button {
        height: 72px !important;
        font-size: 30px !important;
    }

    html.ipad-mode .rotate-button {
        font-size: 34px !important;
    }
}

/* ========================================
   MOBILE GAME OVER SHARE BUTTON
======================================== */

@media (max-width: 820px) {

    .game-over {
        padding: 18px 14px !important;
        gap: 10px !important;
    }

    .game-over-text {
        margin: 0 0 4px !important;
        font-size: 23px !important;
        line-height: 1.25 !important;
    }


    .result-score {
        width: 100% !important;
        margin: -4px 0 10px !important;
    }

    .result-score-value {
        font-size: 30px !important;
    }

    .ranking-register {
        box-sizing: border-box !important;

        width: 100% !important;

        margin: 0 0 10px !important;
        padding: 12px !important;
    }

    .ranking-register-title {
        font-size: 14px !important;
    }

    .ranking-register-note {
        margin-bottom: 8px !important;
        font-size: 10px !important;
    }

    .ranking-name-input,
    .ranking-submit-btn {
        width: 100% !important;
        min-height: 42px !important;
    }

    .ranking-view-btn {
        width: auto !important;
        min-height: 0 !important;
    }

    .ranking-message {
        font-size: 11px !important;
    }


    #restartBtn,
    #blueskyShareBtn {
        display: block !important;
        width: 100% !important;
        min-height: 44px !important;
        margin: 0 !important;
        padding: 9px 10px !important;
        font-size: 13px !important;
        line-height: 1.2 !important;
    }

    .bluesky-share-btn {
        margin-top: 0 !important;
    }
}


@media (max-width: 820px) {
    .game-title-image {
        width: 150px;
        max-width: 42vw;
        height: auto;
        margin: 0 auto;
    }
}

/* ========================================
   SMARTPHONE FINAL LAYOUT OVERRIDE
   タイトル・BGMクレジット・ゲームオーバー操作
======================================== */

@media (max-width: 820px) {

    /* iPadは既存レイアウトを維持し、スマホだけタイトルを表示 */
    html:not(.ipad-mode) .game-title {
        display: block !important;
        flex: 0 0 auto !important;
        margin: 0 0 2px !important;
        padding: 0 !important;
        line-height: 1 !important;
        text-align: center !important;
    }

    html:not(.ipad-mode) .game-title-image {
        display: block !important;
        width: 110px !important;
        max-width: 34vw !important;
        height: auto !important;
        margin: 0 auto !important;
    }

    /* ゲーム中のBGM提供表記だけ小さくする */
    .info-panel .music-credit {
        margin: 2px 0 0 !important;
        padding: 0 !important;
        font-size: 7px !important;
        line-height: 1.15 !important;
        text-align: center !important;
        opacity: 0.65;
    }

    /* ゲームオーバー画面をタップ可能な最前面に固定 */
    .game-over {
        z-index: 8000 !important;
        pointer-events: auto !important;
    }

    #restartBtn,
    #blueskyShareBtn {
        position: relative !important;
        z-index: 8001 !important;
        pointer-events: auto !important;
        touch-action: manipulation !important;
    }
}