/* KPass セキュリティ解説ドキュメント (/kpass-doc/security/) 専用スタイル。
   もとは single-kpass_doc-security.php に845行のインライン <style> として書かれていたものを
   2026-09 にこのファイルへ切り出した。docs.css の後に読み込まれる前提
   (functions.php で deps => technophere-page-docs)。読み込み順を変えると
   .data-card など docs.css と同名のセレクタの優先順位が変わるので注意。 */
/* =========================================
   Security Doc — Page-Specific Styles
   ========================================= */

/* --- Section headings --- */
.kpass-security-doc .guide-section h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--tp-ink);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--tp-line);
    padding-bottom: 10px;
}

/* --- Data Cards (top section only) --- */
/* .data-cards / .data-card / .data-card .icon は docs.css:113-116 にも同名の定義があり、
   このファイルが後に読み込まれることで上書きしていた（読み込み順に依存する暗黙の上書き）。
   .kpass-security-doc でスコープして、このページ専用であることを明示している。
   他のドキュメントページの .data-card（docs.css の白地カード）には影響しない。 */
.kpass-security-doc .data-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0 24px;
}

.kpass-security-doc .data-card {
    background: var(--tp-lavender-3);
    border: 1px solid var(--tp-line);
    border-radius: 16px;
    padding: 24px;
}

.kpass-security-doc .data-card .icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.kpass-tech-doc .doc-section .data-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--tp-ink);
    margin-bottom: 8px;
}

.kpass-tech-doc .doc-section .data-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--tp-muted);
}

/* --- Alert Boxes --- */
.alert-box {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px 28px;
    border-radius: 20px;
    margin: 32px 0;
    position: relative;
    overflow: hidden;
}

.alert-box-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    z-index: 2;
}

.alert-box-icon svg {
    width: 24px;
    height: 24px;
}

.alert-box-content {
    flex: 1;
    z-index: 2;
}

.alert-box-content strong {
    display: block;
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.kpass-tech-doc .doc-section .alert-box-content p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Info */
.alert-info {
    background: linear-gradient(145deg, var(--tp-lavender-3), var(--tp-lavender));
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.08) inset, 0 4px 12px rgba(0, 0, 0, 0.02);
}

.alert-info .alert-box-icon {
    color: var(--tp-indigo-deep);
}

.alert-info .alert-box-content strong {
    color: var(--tp-ink);
}

.kpass-tech-doc .doc-section .alert-info .alert-box-content p {
    color: var(--tp-indigo-deep);
}

/* Success */
.alert-success {
    background: linear-gradient(145deg, var(--tp-mint), var(--tp-mint));
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 10px 30px rgba(34, 197, 94, 0.08) inset, 0 4px 12px rgba(0, 0, 0, 0.02);
}

.alert-success .alert-box-icon {
    color: var(--tp-mint-ink);
}

.alert-success .alert-box-content strong {
    color: var(--tp-mint-ink);
}

.kpass-tech-doc .doc-section .alert-success .alert-box-content p {
    color: var(--tp-mint-ink);
}

/* --- Aside / Analogy --- */
.sec-aside {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--tp-lavender-3);
    border: 1px solid rgba(226, 232, 240, 0.8);
    padding: 24px;
    border-radius: 16px;
    font-size: 0.95rem;
    color: var(--tp-ink-soft);
    line-height: 1.7;
    margin: 2.5rem 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

.sec-aside::before {
    content: '💡';
    flex-shrink: 0;
    font-size: 1.5rem;
    background: #ffffff;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--tp-line);
}

.kpass-tech-doc .doc-section .sec-aside p {
    margin: 0;
}

.sec-aside strong {
    color: var(--tp-ink);
}

/* --- Diagrams (shared) --- */
.modern-diagram {
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 20px;
    padding: 40px 24px;
    margin: 30px auto;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 16px -6px rgba(0, 0, 0, 0.04);
    overflow-x: auto;
    position: relative;
    z-index: 1;
    width: max-content;
    max-width: 100%;
}

.modern-diagram .diagram-node {
    background: #ffffff;
    border: 1px solid var(--tp-line);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    min-width: 140px;
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.modern-diagram .node-icon-wrapper {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background: var(--tp-lavender-3);
}

.node-user .node-icon-wrapper {
    background: var(--tp-lavender-3);
}

.node-official .node-icon-wrapper {
    background: var(--tp-lavender-3);
    color: var(--tp-indigo);
}

.node-app .node-icon-wrapper {
    background: var(--tp-lavender-3);
    color: var(--tp-indigo-deep);
}

.node-cloud .node-icon-wrapper {
    background: var(--tp-mint);
    color: var(--tp-mint-ink);
}

.node-server .node-icon-wrapper {
    background: var(--tp-yellow-2);
    color: var(--tp-yellow-ink);
}

.node-device .node-icon-wrapper {
    background: var(--tp-lavender-3);
    color: var(--tp-indigo-deep);
}

.modern-diagram .node-text {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--tp-ink);
    line-height: 1.4;
}

.modern-diagram .node-text small {
    display: block;
    font-weight: 500;
    font-size: 0.75rem;
    color: var(--tp-muted);
    margin-top: 4px;
}

/* Path / Line */
.modern-diagram .diagram-path {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    flex: 1;
    position: relative;
    padding: 0 10px;
}

.modern-diagram .path-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--tp-ink-soft);
    background: #ffffff;
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid var(--tp-line);
    position: relative;
    z-index: 2;
    margin: 0 24px -10px;
    text-align: center;
    white-space: nowrap;
}

.modern-diagram .path-label small {
    display: block;
    font-size: 0.7rem;
    color: var(--tp-muted);
    font-weight: 500;
    margin-top: 2px;
}

.modern-diagram .path-line {
    width: 100%;
    height: 3px;
    background: var(--tp-line);
    position: relative;
    z-index: 1;
    border-radius: 2px;
}

.modern-diagram .path-line::after {
    content: '';
    position: absolute;
    right: -2px;
    top: 50%;
    transform: translateY(-50%);
    border-left: 8px solid var(--tp-line);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
}

.path-red .path-label {
    border-color: var(--tp-coral);
    color: #c2543f;
}

.path-red .path-line {
    background: var(--tp-coral);
}

.path-red .path-line::after {
    border-left-color: var(--tp-coral);
}

.path-green .path-label {
    border-color: var(--tp-mint);
    color: var(--tp-mint-ink);
}

.path-green .path-line {
    background: linear-gradient(90deg, var(--tp-mint), var(--tp-mint-ink));
}

.path-green .path-line::after {
    border-left-color: var(--tp-mint-ink);
}

/* --- Shield Diagram --- */
.shield-diagram {
    gap: 40px;
}

.threat-zone {
    display: flex;
    flex-direction: column;
    gap: 16px;
    position: relative;
}

.threat-zone::after {
    content: '→';
    position: absolute;
    right: -30px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: var(--tp-spark);
}

.threat-item {
    background: #fdeee9;
    border: 1px solid var(--tp-coral);
    color: #c2543f;
    padding: 12px 20px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 0.9rem;
}

.defense-zone {
    position: relative;
    padding: 20px;
}

.shield-barrier {
    position: relative;
    background: rgba(240, 253, 244, 0.9);
    border: 2px solid var(--tp-mint-ink);
    border-radius: 24px;
    padding: 30px;
    text-align: center;
    z-index: 2;
}

.vault-icon {
    color: var(--tp-mint-ink);
    margin-bottom: 12px;
}

.vault-title {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--tp-mint-ink);
}

.vault-sub {
    font-size: 0.8rem;
    color: var(--tp-mint-ink);
    margin-bottom: 20px;
}

.locked-data {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.locked-data span {
    background: #ffffff;
    border: 1px solid var(--tp-mint);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--tp-mint-ink);
}

/* --- Cloud Tunnel --- */
.diagram-tunnel {
    flex-grow: 1;
    margin: 0 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    min-width: 150px;
}

.tunnel-wrapper {
    width: 100%;
    height: 12px;
    background: var(--tp-lavender-3);
    border-radius: 6px;
    position: relative;
    overflow: hidden;
    border: 1px inset var(--tp-line);
}

.tunnel-core {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(90deg, var(--tp-indigo), var(--tp-indigo) 15px, var(--tp-indigo) 15px, var(--tp-indigo) 30px);
    animation: moveLine 1.5s linear infinite;
    opacity: 0.8;
}

@keyframes moveLine {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 30px 0;
    }
}

.tunnel-badge {
    background: var(--tp-indigo-deep);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 4px 6px -1px rgba(79, 70, 229, 0.4);
    border: 2px solid white;
}

.admin-block {
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px dashed var(--tp-line);
}

.admin-block span {
    display: inline-block;
    background: #fdeee9;
    color: #c2543f;
    padding: 6px 10px;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* --- Zero Trust --- */
.zt-flow {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    justify-content: center;
}

.zt-verify-path .path-line {
    background: var(--tp-indigo-deep);
}

.zt-verify-path .path-line::after {
    border-left-color: var(--tp-indigo-deep);
}

.zt-verify-path .path-label {
    border-color: var(--tp-lavender-2);
    color: var(--tp-indigo);
}

/* --- Compare Block (v2 encryption) --- */
.sec-compare {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 24px 0;
    padding: 24px;
    background: var(--tp-lavender-3);
    border-radius: 16px;
    border: 1px solid var(--tp-line);
}

.sec-compare-item {
    flex: 1;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
}

.kpass-tech-doc .doc-section .sec-compare-item p {
    margin: 8px 0 0;
    font-size: 0.9rem;
    color: var(--tp-ink-soft);
    line-height: 1.5;
}

.sec-compare-item--old {
    background: #fdeee9;
    border: 1px solid var(--tp-coral);
}

.sec-compare-item--new {
    background: var(--tp-mint);
    border: 1px solid var(--tp-mint);
}

.sec-compare-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.sec-compare-item--old .sec-compare-badge {
    background: var(--tp-coral);
    color: #9a3e2a;
}

.sec-compare-item--new .sec-compare-badge {
    background: var(--tp-mint);
    color: var(--tp-mint-ink);
}

.sec-compare-arrow {
    flex-shrink: 0;
    color: var(--tp-indigo);
    display: flex;
    align-items: center;
}

/* --- Data Table --- */
.sec-data-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 1.5rem 0;
    border: 1px solid var(--tp-line);
    border-radius: 10px;
}

.sec-data-table {
    width: 100%;
    min-width: 560px;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.sec-data-table th,
.sec-data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--tp-lavender-3);
}

.sec-data-table th {
    background: var(--tp-lavender-3);
    font-weight: 600;
    color: var(--tp-ink-soft);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.sec-data-table td {
    color: var(--tp-ink-soft);
}

.sec-data-table td:first-child {
    font-weight: 600;
    color: var(--tp-ink);
    white-space: nowrap;
}

.sec-data-table tbody tr:last-child td {
    border-bottom: none;
}

/* --- Notice Box --- */
.sec-notice {
    background: linear-gradient(145deg, var(--tp-yellow-2), var(--tp-yellow-2));
    border: 1px solid rgba(255, 255, 255, 0.6);
    padding: 24px;
    border-radius: 16px;
    margin: 2.5rem 0 2rem;
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.08) inset, 0 4px 12px rgba(0, 0, 0, 0.02);
    position: relative;
    overflow: hidden;
}

.sec-notice::after {
    content: '🔒';
    position: absolute;
    right: -20px;
    bottom: -30px;
    font-size: 140px;
    opacity: 0.04;
    pointer-events: none;
    line-height: 1;
}

.kpass-tech-doc .doc-section .sec-notice h4 {
    color: var(--tp-yellow-ink);
    margin: 0 0 10px;
    font-size: 1.05rem;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 800;
}

.sec-notice h4 svg {
    color: var(--tp-yellow-ink);
}

.kpass-tech-doc .doc-section .sec-notice p {
    color: var(--tp-yellow-ink);
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* --- Added Diagram Colors --- */
.path-gray .path-label {
    border-color: var(--tp-line);
    color: var(--tp-ink-soft);
}

.path-gray .path-line {
    background: var(--tp-line);
}

.path-gray .path-line::after {
    border-left-color: var(--tp-line);
}

.path-blue .path-label {
    border-color: var(--tp-lavender-2);
    color: var(--tp-indigo-deep);
}

.path-blue .path-line {
    background: var(--tp-lavender-2);
}

.path-blue .path-line::after {
    border-left-color: var(--tp-lavender-2);
}

.node-save .node-icon-wrapper {
    background: var(--tp-lavender);
    color: var(--tp-indigo-deep);
}

.kpass-tech-doc .doc-section .faq-item p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--tp-ink-soft);
}

.kpass-tech-doc .doc-section .faq-item h4 {
    margin-top: 0;
}

.node-use .node-icon-wrapper {
    background: var(--tp-yellow-2);
    color: var(--tp-yellow-ink);
}

.node-destroy .node-icon-wrapper {
    background: var(--tp-coral);
    color: #c2543f;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .modern-diagram {
        flex-direction: column;
        padding: 30px 20px;
        width: 100%;
    }

    .modern-diagram .diagram-path,
    .modern-diagram .diagram-tunnel {
        width: 100%;
        min-height: auto;
        margin: 15px 0;
        padding: 24px 0;
    }

    .modern-diagram .path-line {
        width: 3px;
        height: 100%;
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
    }

    .modern-diagram .path-label {
        margin: 0;
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        white-space: normal;
    }

    .modern-diagram .path-line::after {
        top: auto;
        bottom: -2px;
        left: 50%;
        transform: translateX(-50%);
        border-top: 8px solid;
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-bottom: none;
    }

    .path-red .path-line::after {
        border-top-color: var(--tp-coral);
    }

    .path-green .path-line::after {
        border-top-color: var(--tp-mint-ink);
    }

    .zt-verify-path .path-line::after {
        border-top-color: var(--tp-indigo-deep);
    }

    .path-gray .path-line::after {
        border-top-color: var(--tp-line);
    }

    .path-blue .path-line::after {
        border-top-color: var(--tp-lavender-2);
    }

    .tunnel-wrapper {
        width: 12px;
        height: 100%;
        position: absolute;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
    }

    .tunnel-core {
        background: repeating-linear-gradient(0deg, var(--tp-indigo), var(--tp-indigo) 15px, var(--tp-indigo) 15px, var(--tp-indigo) 30px);
        width: 100%;
        height: 100%;
    }

    .tunnel-badge {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        white-space: normal;
        margin: 0;
    }

    .shield-diagram {
        gap: 20px;
    }

    .threat-zone {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .threat-zone::after {
        content: '↓';
        top: auto;
        bottom: -30px;
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }

    .zt-flow {
        flex-direction: column;
    }

    .sec-compare {
        flex-direction: column;
        gap: 12px;
        padding: 16px;
    }

    .sec-compare-arrow {
        transform: rotate(90deg);
    }
}