.saikoro-dojo,
.saikoro-ranking,
.saikoro-dojo * ,
.saikoro-ranking * {
    box-sizing: border-box;
}

.saikoro-dojo,
.saikoro-ranking {
    --sd-ink: #243142;
    --sd-muted: #6b7280;
    --sd-line: #d9e1ea;
    --sd-bg: #f4f7fb;
    --sd-panel: #ffffff;
    --sd-blue: #005db9;
    --sd-red: #e8473f;
    --sd-green: #168a45;
    --sd-gold: #c8943a;
    width: min(100%, 760px);
    margin: 32px auto;
    color: var(--sd-ink);
    font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.saikoro-dojo {
    background: var(--sd-panel);
    border: 1px solid var(--sd-line);
    border-radius: 12px;
    box-shadow: 0 10px 28px rgba(30, 46, 70, 0.10);
    overflow: hidden;
    text-align: center;
}

.saikoro-screen {
    display: none;
    padding: 24px;
}

.saikoro-screen.is-active {
    display: block;
}

.saikoro-kicker {
    margin: 0 0 8px;
    color: var(--sd-gold);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.saikoro-dojo h1,
.saikoro-ranking h2,
.saikoro-dojo h2 {
    margin: 0 0 12px;
    color: var(--sd-ink);
    font-weight: 900;
    letter-spacing: 0;
}

.saikoro-dojo h1 {
    font-size: clamp(1.8rem, 5vw, 2.5rem);
}

.saikoro-lead {
    margin: 0 0 20px;
    color: var(--sd-muted);
    font-weight: 700;
}

.saikoro-levels,
.saikoro-actions {
    display: grid;
    gap: 10px;
}

.saikoro-resume-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    align-items: center;
    margin: 0 0 16px;
    padding: 12px;
    border: 1px solid #f1d79b;
    border-radius: 8px;
    background: #fff8e8;
    text-align: left;
}

.saikoro-resume-panel[hidden] {
    display: none;
}

.saikoro-resume-panel strong,
.saikoro-resume-panel span {
    display: block;
}

.saikoro-resume-panel span {
    margin-top: 3px;
    color: var(--sd-muted);
    font-size: 0.86rem;
    font-weight: 700;
}

.saikoro-resume-actions {
    display: flex;
    gap: 8px;
}

.saikoro-resume-actions .saikoro-button {
    width: auto;
    min-height: 40px;
    white-space: nowrap;
}

.saikoro-actions {
    margin-top: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.saikoro-button {
    width: 100%;
    min-height: 48px;
    padding: 11px 14px;
    border: 2px solid var(--sd-blue);
    border-radius: 8px;
    background: #fff;
    color: var(--sd-blue);
    cursor: pointer;
    font: inherit;
    font-weight: 900;
    line-height: 1.25;
    transition: background-color 0.15s, color 0.15s, transform 0.15s;
}

.saikoro-button:hover:not(:disabled),
.saikoro-button:focus-visible:not(:disabled) {
    background: #eef6ff;
    transform: translateY(-1px);
}

.saikoro-button-primary {
    background: var(--sd-blue);
    color: #fff;
}

.saikoro-button-primary:hover:not(:disabled),
.saikoro-button-primary:focus-visible:not(:disabled) {
    background: #004987;
}

.saikoro-button:disabled {
    border-color: #c9d3df;
    background: #edf1f5;
    color: #94a3b8;
    cursor: not-allowed;
}

.saikoro-toggle {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    margin-top: 18px;
    color: var(--sd-muted);
    font-size: 0.92rem;
    font-weight: 700;
}

.saikoro-game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    font-size: 1.1rem;
    font-weight: 900;
}

.saikoro-game-header [data-timer] {
    color: var(--sd-red);
}

.saikoro-canvas {
    width: 100%;
    height: 220px;
    display: block;
    border: 1px solid var(--sd-line);
    border-radius: 10px;
    background: #f9fbfe;
    cursor: pointer;
}

.saikoro-message {
    min-height: 30px;
    margin: 10px 0 12px;
    color: var(--sd-green);
    font-size: 1.05rem;
    font-weight: 900;
}

.saikoro-answer {
    min-height: 56px;
    margin-bottom: 12px;
    border: 2px solid var(--sd-line);
    border-radius: 8px;
    background: #fff;
    font-size: 2rem;
    font-weight: 900;
    line-height: 52px;
}

.saikoro-keypad {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 10px;
}

.saikoro-save-exit {
    margin-top: 8px;
    border-color: #8aa0b8;
    color: #52657a;
}

.saikoro-keypad button {
    min-height: 52px;
    border: 1px solid var(--sd-line);
    border-radius: 8px;
    background: #fff;
    color: var(--sd-ink);
    cursor: pointer;
    font: inherit;
    font-size: 1.35rem;
    font-weight: 900;
}

.saikoro-keypad button:hover,
.saikoro-keypad button:focus-visible {
    background: #edf6ff;
}

.saikoro-result {
    display: grid;
    gap: 10px;
    text-align: left;
}

.saikoro-result-card,
.saikoro-recommendations,
.saikoro-answer-list-card {
    border: 1px solid var(--sd-line);
    border-radius: 8px;
    background: #fff;
    padding: 14px;
}

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

.saikoro-stat {
    border-radius: 8px;
    background: var(--sd-bg);
    padding: 12px;
    text-align: center;
}

.saikoro-stat strong {
    display: block;
    color: var(--sd-blue);
    font-size: 1.55rem;
}

.saikoro-stat span {
    color: var(--sd-muted);
    font-size: 0.78rem;
    font-weight: 900;
}

.saikoro-pass {
    border-left: 5px solid var(--sd-green);
}

.saikoro-almost {
    border-left: 5px solid var(--sd-gold);
}

.saikoro-needs-work {
    border-left: 5px solid var(--sd-red);
}

.saikoro-recommendations {
    display: none;
    margin-top: 14px;
    text-align: left;
}

.saikoro-answer-lists,
.saikoro-clear-records {
    display: grid;
    gap: 12px;
    margin-top: 14px;
    text-align: left;
}

.saikoro-answer-list-card h3 {
    margin: 0 0 10px;
    font-size: 1rem;
}

.saikoro-answer-table-wrap {
    max-height: 260px;
    overflow: auto;
    border: 1px solid var(--sd-line);
    border-radius: 8px;
}

.saikoro-answer-table {
    width: 100%;
    min-width: 520px;
    border-collapse: collapse;
}

.saikoro-answer-table th,
.saikoro-answer-table td {
    border-top: 1px solid var(--sd-line);
    padding: 8px;
    font-size: 0.88rem;
    text-align: left;
}

.saikoro-answer-table th {
    border-top: none;
    background: #f4f7fb;
    color: var(--sd-muted);
    font-weight: 900;
}

.saikoro-record-list {
    display: grid;
    gap: 8px;
}

.saikoro-record-list div {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 8px;
    background: #f4f7fb;
}

.saikoro-record-list span {
    color: var(--sd-muted);
    font-size: 0.88rem;
    font-weight: 700;
}

.saikoro-recommendations.is-visible {
    display: block;
}

.saikoro-recommendations h3 {
    margin: 0 0 10px;
    font-size: 1rem;
}

.saikoro-recommendation-list {
    display: grid;
    gap: 8px;
}

.saikoro-recommendation-item {
    border: 1px solid #e8e0d4;
    border-radius: 8px;
    padding: 10px;
}

.saikoro-recommendation-item strong {
    display: block;
    margin-bottom: 4px;
}

.saikoro-recommendation-item a {
    color: var(--sd-blue);
    font-weight: 900;
    text-decoration: none;
}

.saikoro-save-status {
    min-height: 24px;
    margin-top: 12px;
    color: var(--sd-muted);
    font-size: 0.9rem;
    font-weight: 700;
}

.saikoro-logo {
    padding: 0 24px 22px;
}

.saikoro-logo img {
    max-width: 150px;
    height: auto;
}

.saikoro-top-links {
    padding: 14px 18px 0;
    text-align: right;
}

.saikoro-top-links a {
    color: var(--sd-blue);
    font-weight: 900;
    text-decoration: none;
}

.saikoro-login-notice,
.saikoro-dojo-login {
    width: min(100%, 560px);
    margin: 32px auto;
}

.saikoro-panel {
    border: 1px solid var(--sd-line);
    border-radius: 12px;
    background: #fff;
    padding: 24px;
    text-align: center;
}

.saikoro-ranking {
    background: #fff;
    border: 1px solid var(--sd-line);
    border-radius: 12px;
    box-shadow: 0 10px 28px rgba(30, 46, 70, 0.08);
    overflow: hidden;
}

.saikoro-ranking-header {
    padding: 22px;
    text-align: center;
}

.saikoro-ranking-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.saikoro-ranking-tabs button {
    min-height: 38px;
    border: 1px solid var(--sd-line);
    border-radius: 20px;
    background: #fff;
    color: var(--sd-ink);
    cursor: pointer;
    font: inherit;
    font-size: 0.88rem;
    font-weight: 900;
    padding: 6px 12px;
}

.saikoro-ranking-tabs button.is-active {
    border-color: var(--sd-blue);
    background: var(--sd-blue);
    color: #fff;
}

.saikoro-ranking-status {
    padding: 0 22px 12px;
    color: var(--sd-muted);
    font-weight: 900;
}

.saikoro-ranking-table-wrap {
    overflow-x: auto;
}

.saikoro-ranking-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 680px;
}

.saikoro-ranking-table th,
.saikoro-ranking-table td {
    border-top: 1px solid var(--sd-line);
    padding: 12px;
    text-align: left;
    white-space: nowrap;
}

.saikoro-ranking-table th {
    background: #f4f7fb;
    color: var(--sd-muted);
    font-size: 0.82rem;
    font-weight: 900;
}

.saikoro-ranking-table tr.is-me td {
    background: #fff8e8;
    font-weight: 900;
}

.saikoro-print-sheet {
    display: none;
}

@media (max-width: 640px) {
    .saikoro-dojo,
    .saikoro-ranking {
        margin: 18px auto;
        border-radius: 0;
    }

    .saikoro-screen {
        padding: 18px;
    }

    .saikoro-actions,
    .saikoro-result-grid,
    .saikoro-resume-panel {
        grid-template-columns: 1fr;
    }

    .saikoro-resume-actions,
    .saikoro-record-list div {
        display: grid;
    }

    .saikoro-canvas {
        height: 200px;
    }
}

@media print {
    body.saikoro-printing * {
        visibility: hidden !important;
    }

    body.saikoro-printing .saikoro-print-sheet,
    body.saikoro-printing .saikoro-print-sheet * {
        visibility: visible !important;
    }

    body.saikoro-printing .saikoro-print-sheet {
        display: block !important;
        position: absolute;
        inset: 0 auto auto 0;
        width: 100%;
        padding: 20mm;
        color: #111;
        background: #fff;
        font-family: "Noto Sans JP", sans-serif;
    }

    .saikoro-print-sheet h1 {
        margin: 0 0 8mm;
        font-size: 20pt;
    }

    .saikoro-print-meta {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 6mm;
        margin-bottom: 8mm;
        font-size: 10pt;
    }

    .saikoro-print-problems {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 8mm;
    }

    .saikoro-print-problems th,
    .saikoro-print-problems td {
        border: 1px solid #333;
        padding: 3mm;
        font-size: 11pt;
        text-align: left;
    }

    .saikoro-print-recommendations {
        break-inside: avoid;
        font-size: 10pt;
    }
}