.ai-practice-page,
.ai-project-page {
    --practice-paper: #f7f4e8;
    --practice-surface: #fffdf5;
    --practice-carbon: #10140f;
    --practice-muted: #5f685f;
    --practice-border: #a9b0a8;
    --practice-acid: #cbff32;
    --practice-teal: #078c78;
    --practice-teal-soft: #e8f4ef;
    background: var(--practice-paper);
    color: var(--practice-carbon);
    animation: none;
}

.ai-practice-page::before,
.ai-project-page::before {
    display: none;
}

.ai-project-page { overflow-x: clip; }

.ai-practice-page main,
.ai-project-page main {
    overflow: clip;
}

.ai-practice-page .practice-hero-grid > *,
.ai-practice-page .section-heading-grid > *,
.ai-practice-page .allin-callout-grid > * { min-width: 0; }

.ai-practice-page .navbar,
.ai-project-page .navbar {
    background: rgba(247, 244, 232, 0.96);
    border-color: rgba(16, 20, 15, 0.2);
}

.ai-practice-page .practice-anchor-nav {
    position: sticky;
    top: 64px;
    z-index: 900;
    margin-top: 64px;
    border-bottom: 1px solid var(--practice-carbon);
    background: rgba(247, 244, 232, 0.96);
    backdrop-filter: blur(10px);
}

.ai-practice-page .practice-anchor-inner {
    display: flex;
    gap: 28px;
    min-height: 46px;
    align-items: center;
    overflow-x: auto;
    scrollbar-width: none;
}

.ai-practice-page .practice-anchor-inner::-webkit-scrollbar {
    display: none;
}

.ai-practice-page .practice-anchor-nav a {
    color: var(--practice-muted);
    font-size: 13px;
    font-weight: 700;
    white-space: nowrap;
    border-bottom: 3px solid transparent;
    padding: 13px 0 10px;
}

.ai-practice-page .practice-anchor-nav a:hover,
.ai-practice-page .practice-anchor-nav a.active {
    color: var(--practice-carbon);
    border-bottom-color: var(--practice-teal);
}

.ai-practice-page .practice-hero {
    padding: 92px 0 78px;
    border-bottom: 2px solid var(--practice-carbon);
}

.ai-practice-page .practice-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.7fr);
    gap: 72px;
    align-items: end;
}

.ai-practice-page .practice-eyebrow,
.ai-practice-page .practice-section-index,
.ai-project-page .practice-section-index {
    color: var(--practice-teal);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.ai-practice-page .practice-hero h1 {
    max-width: 850px;
    margin: 18px 0 24px;
    font-family: var(--font-family);
    font-size: clamp(42px, 5.3vw, 78px);
    line-height: 1.04;
    letter-spacing: -0.045em;
    font-weight: 800;
}

.ai-practice-page .practice-lead {
    max-width: 760px;
    color: var(--practice-muted);
    font-size: 17px;
    line-height: 1.8;
}

.ai-practice-page .practice-proof {
    border: 2px solid var(--practice-carbon);
    background: var(--practice-acid);
    box-shadow: 8px 8px 0 var(--practice-carbon);
    padding: 28px;
}

.ai-practice-page .practice-proof-label {
    margin-bottom: 18px;
    font-weight: 800;
    font-size: 20px;
}

.ai-practice-page .practice-proof ol {
    display: grid;
    gap: 14px;
    padding-left: 22px;
    line-height: 1.65;
}

.ai-practice-page .practice-section {
    padding: 88px 0;
    border-bottom: 1px solid var(--practice-carbon);
    scroll-margin-top: 120px;
}

.ai-practice-page .practice-section h2,
.ai-practice-page .allin-callout h2,
.ai-project-page .project-header h1 {
    margin: 10px 0 34px;
    font-family: var(--font-family);
    font-size: clamp(32px, 4vw, 54px);
    line-height: 1.1;
    letter-spacing: -0.035em;
    font-weight: 800;
}

.ai-practice-page .stage-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.ai-practice-page .stage-card,
.ai-practice-page .direction-card,
.ai-practice-page .support-card,
.ai-practice-page .vertical-group {
    border: 1px solid var(--practice-carbon);
    background: var(--practice-surface);
}

.ai-practice-page .stage-card {
    min-height: 340px;
    padding: 30px;
    display: flex;
    flex-direction: column;
}

.ai-practice-page .stage-card.featured {
    border-width: 2px;
    box-shadow: 7px 7px 0 var(--practice-acid);
}

.ai-practice-page .stage-number,
.ai-practice-page .direction-card > span,
.ai-practice-page .support-card > span {
    color: var(--practice-teal);
    font-size: 12px;
    font-weight: 800;
}

.ai-practice-page .stage-card h3,
.ai-practice-page .direction-card h3 {
    margin: 14px 0;
    font-size: 23px;
    line-height: 1.3;
}

.ai-practice-page .stage-card p,
.ai-practice-page .direction-card p,
.ai-practice-page .section-heading-grid p {
    color: var(--practice-muted);
    line-height: 1.75;
}

.ai-practice-page .compact-projects {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    padding-top: 24px;
}

.ai-practice-page .stage-outcome {
    margin-top: auto;
    padding-top: 24px;
    color: var(--practice-teal);
}

.ai-practice-page .direction-grid {
    display: grid;
    grid-template-columns: 1.45fr repeat(3, minmax(0, 0.75fr));
    gap: 12px;
    margin-top: 54px;
}

.ai-practice-page .direction-card {
    min-height: 210px;
    padding: 24px;
}

.ai-practice-page .direction-card.primary {
    background: var(--practice-carbon);
    color: #fff;
}

.ai-practice-page .direction-card.primary > span {
    color: var(--practice-acid);
}

.ai-practice-page .direction-card.primary p {
    color: #dce3dc;
}

.ai-practice-page .content-system-section {
    background: #f0eee4;
}

.ai-practice-page .section-heading-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
    gap: 48px;
    align-items: end;
}

.ai-practice-page .section-heading-grid h2 {
    margin-bottom: 0;
}

.ai-practice-page .relation-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 26px;
    margin: 38px 0 26px;
    color: var(--practice-muted);
    font-size: 13px;
}

.ai-practice-page .legend-line {
    display: inline-block;
    width: 38px;
    margin-right: 8px;
    vertical-align: middle;
    border-top: 3px solid var(--practice-teal);
}

.ai-practice-page .legend-line.dashed {
    border-top-style: dashed;
    border-top-color: var(--practice-muted);
}

.ai-practice-page .capability-lanes {
    display: grid;
    gap: 14px;
}

.ai-practice-page .capability-lane {
    display: grid;
    grid-template-columns: 235px minmax(0, 1fr);
    gap: 16px;
    border-top: 1px solid var(--practice-carbon);
    padding-top: 14px;
}

.ai-practice-page .capability-lane > header {
    padding: 13px 12px 13px 0;
}

.ai-practice-page .capability-lane > header > span {
    color: var(--practice-teal);
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 800;
}

.ai-practice-page .capability-lane h3 {
    margin: 7px 0;
    font-size: 20px;
}

.ai-practice-page .capability-lane header p {
    color: var(--practice-muted);
    font-size: 12px;
    line-height: 1.55;
}

.ai-practice-page .lane-track {
    display: flex;
    gap: 8px;
    align-items: center;
    min-width: 0;
    padding: 6px 0 14px;
}

.ai-practice-page .project-node {
    min-width: 112px;
    min-height: 84px;
    padding: 12px;
    border: 1px solid var(--practice-border);
    border-radius: 4px;
    background: var(--practice-surface);
    color: var(--practice-carbon);
    display: flex;
    flex: 1 1 0;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    text-decoration: none;
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.ai-practice-page .project-node b,
.ai-practice-page .project-node strong {
    font-size: 13px;
}

.ai-practice-page .project-node span {
    font-size: 12px;
    line-height: 1.4;
}

.ai-practice-page .project-node small {
    color: var(--practice-muted);
    font-size: 10px;
}

.ai-practice-page .project-node:hover,
.ai-practice-page .project-node:focus-visible,
.ai-practice-page .project-node.return-highlight {
    border-color: var(--practice-carbon);
    box-shadow: 4px 4px 0 var(--practice-teal);
    transform: translate(-2px, -2px);
}

.ai-practice-page .project-node:focus-visible,
.ai-project-page a:focus-visible,
.ai-practice-page .practice-anchor-nav a:focus-visible {
    outline: 3px solid var(--practice-acid);
    outline-offset: 3px;
}

.ai-practice-page .project-node.compact {
    min-height: 44px;
    min-width: auto;
    flex: 0 1 auto;
    padding: 8px 11px;
    font-size: 12px;
}

.ai-practice-page .allin-node {
    border: 2px solid var(--practice-carbon);
    background: var(--practice-acid);
}

.ai-practice-page .relation-arrow {
    width: 22px;
    min-width: 14px;
    border-top: 3px solid var(--practice-teal);
    position: relative;
}

.ai-practice-page .relation-arrow::after {
    content: '';
    position: absolute;
    right: -1px;
    top: -6px;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 7px solid var(--practice-teal);
}

.ai-practice-page .relation-arrow.dashed {
    border-top-style: dashed;
    border-top-color: var(--practice-muted);
}

.ai-practice-page .relation-arrow.dashed::after {
    border-left-color: var(--practice-muted);
}

.ai-practice-page .relation-arrow.reverse::after {
    right: auto;
    left: -1px;
    border-left: 0;
    border-right: 7px solid var(--practice-muted);
}

.ai-practice-page .supporting-section.alt {
    background: #efede3;
}

.ai-practice-page .support-grid,
.ai-practice-page .vertical-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 38px;
}

.ai-practice-page .support-card,
.ai-practice-page .vertical-group {
    padding: 20px;
}

.ai-practice-page .support-card .project-node {
    margin-top: 12px;
    min-height: 130px;
}

.ai-practice-page .section-conclusion {
    margin-top: 24px;
    border-left: 5px solid var(--practice-teal);
    background: var(--practice-teal-soft);
    padding: 18px 20px;
    line-height: 1.7;
    font-weight: 700;
}

.ai-practice-page .vertical-group h3 {
    margin-bottom: 16px;
    font-size: 18px;
}

.ai-practice-page .vertical-links {
    display: grid;
    gap: 8px;
}

.ai-practice-page .vertical-links .project-node.compact {
    align-items: flex-start;
}

.ai-practice-page .allin-callout {
    padding: 72px 0;
    background: var(--practice-carbon);
    color: #fff;
}

.ai-practice-page .allin-callout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 60px;
    align-items: center;
}

.ai-practice-page .allin-callout .practice-section-index {
    color: var(--practice-acid);
}

.ai-practice-page .allin-callout h2 {
    margin-bottom: 18px;
}

.ai-practice-page .allin-callout p {
    color: #d7ded7;
    line-height: 1.7;
}

.ai-practice-page .allin-cta {
    display: flex;
    min-height: 84px;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    border: 2px solid var(--practice-acid);
    background: var(--practice-acid);
    color: var(--practice-carbon);
    padding: 20px 24px;
    font-weight: 800;
}

.ai-practice-page .allin-cta:hover {
    background: transparent;
    color: var(--practice-acid);
}

.ai-practice-page .footer,
.ai-project-page .footer {
    background: var(--practice-paper);
    border-top-color: var(--practice-carbon);
}

@media (max-width: 1100px) {
    .ai-practice-page .direction-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ai-practice-page .lane-track {
        flex-wrap: wrap;
    }

    .ai-practice-page .relation-arrow {
        width: 16px;
    }
}

@media (max-width: 900px) {
    .ai-practice-page .practice-hero-grid,
    .ai-practice-page .section-heading-grid,
    .ai-practice-page .allin-callout-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .ai-practice-page .stage-grid,
    .ai-practice-page .support-grid,
    .ai-practice-page .vertical-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .ai-practice-page .stage-card {
        min-height: 300px;
    }

    .ai-practice-page .allin-callout-grid {
        align-items: start;
    }

    .ai-practice-page .allin-cta {
        max-width: 420px;
    }
}

@media (max-width: 768px) {
    .ai-practice-page .navbar,
    .ai-project-page .navbar { height: 56px; min-height: 56px; }
    .ai-practice-page .navbar .container,
    .ai-project-page .navbar .container { height: 56px; flex-wrap: nowrap; padding: 0 18px; }
    .ai-practice-page .navbar-nav,
    .ai-project-page .navbar-nav { display: none; }

    .ai-practice-page .practice-anchor-nav {
        top: 56px;
        margin-top: 0;
    }

    .ai-practice-page .practice-anchor-inner {
        gap: 20px;
    }

    .ai-practice-page .practice-hero,
    .ai-practice-page .practice-section {
        padding: 58px 0;
    }

    .ai-practice-page .practice-hero h1 {
        max-width: 100%;
        overflow-wrap: anywhere;
        font-size: clamp(36px, 10.5vw, 54px);
    }

    .ai-practice-page .practice-lead { overflow-wrap: anywhere; }

    .ai-practice-page .direction-grid,
    .ai-practice-page .stage-grid,
    .ai-practice-page .support-grid,
    .ai-practice-page .vertical-grid {
        grid-template-columns: 1fr;
    }

    .ai-practice-page .stage-card,
    .ai-practice-page .direction-card {
        min-height: auto;
    }
}

@media (max-width: 680px) {
    .ai-practice-page .capability-lane {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .ai-practice-page .lane-track {
        position: relative;
        display: grid;
        grid-template-columns: 1fr;
        gap: 8px;
        padding-left: 20px;
    }

    .ai-practice-page .lane-track::before {
        content: '';
        position: absolute;
        top: 14px;
        bottom: 22px;
        left: 6px;
        border-left: 3px solid var(--practice-teal);
    }

    .ai-practice-page .lane-track .project-node {
        min-height: 72px;
        width: 100%;
    }

    .ai-practice-page .relation-arrow {
        display: none;
    }

    .ai-practice-page .relation-legend {
        display: grid;
        gap: 10px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ai-practice-page *,
    .ai-project-page * {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Project fact layer */
.ai-project-page .project-main { padding: 48px 0 96px; background: var(--practice-paper); }
.ai-project-page .project-container { max-width: 1040px; }
.ai-project-page .project-back,
.ai-project-page .project-bottom-back { display: inline-flex; min-height: 44px; align-items: center; color: var(--practice-carbon); font-weight: 700; }
.ai-project-page .project-header { display: grid; grid-template-columns: minmax(0, 1fr) 190px; grid-template-areas: "eyebrow status" "title status" "contribution status"; column-gap: 48px; align-items: end; padding: 72px 0 64px; }
.ai-project-page .project-header .practice-eyebrow { grid-area: eyebrow; }
.ai-project-page .project-header h1 { grid-area: title; max-width: 100%; margin: 10px 0 20px; overflow-wrap: anywhere; font-size: clamp(40px, 5.5vw, 68px); line-height: 1.02; letter-spacing: -.05em; }
.ai-project-page .project-contribution { max-width: 720px; font-size: clamp(18px, 2.2vw, 24px); line-height: 1.65; color: #3f4745; }
.ai-project-page .project-contribution { grid-area: contribution; }
.ai-project-page .project-status { grid-area: status; display: flex; min-height: 112px; margin: 0; padding: 18px; align-items: center; border: 1px solid var(--practice-carbon); color: var(--practice-carbon); background: var(--practice-acid); font-size: 14px; font-weight: 700; line-height: 1.5; }
.ai-project-page .project-reading-layout { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 52px; align-items: start; }
.ai-project-page .project-chapter-nav { position: sticky; top: 92px; display: grid; padding: 22px 0; border-top: 2px solid var(--practice-carbon); }
.ai-project-page .project-chapter-nav p { margin: 0 0 12px; color: var(--practice-teal); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.ai-project-page .project-chapter-nav a { display: grid; grid-template-columns: 28px 1fr; gap: 8px; min-height: 46px; padding: 12px 8px; align-items: center; border-left: 2px solid #c4cac4; color: #66706b; font-size: 13px; line-height: 1.35; }
.ai-project-page .project-chapter-nav a span { font: 700 10px/1 monospace; color: #87908a; }
.ai-project-page .project-chapter-nav a:hover,
.ai-project-page .project-chapter-nav a[aria-current="location"] { border-left-color: var(--practice-teal); color: var(--practice-carbon); background: var(--practice-teal-soft); font-weight: 700; }
.ai-project-page .project-chapter-nav a[aria-current="location"] span { color: var(--practice-teal); }
.ai-project-page .project-content { min-width: 0; }
.ai-project-page .project-section { display: block; scroll-margin-top: 92px; padding: 64px 0; border-top: 1px solid #bfc4be; }
.ai-project-page .project-section-index { display: none; }
.ai-project-page .project-section h2 { margin: 0 0 30px; font-size: clamp(28px, 4vw, 46px); letter-spacing: -.04em; }
.ai-project-page .project-richtext { max-width: 680px; overflow-wrap: anywhere; color: #303735; font-size: 17px; line-height: 1.9; }
.ai-project-page .project-richtext > p:first-child { color: var(--practice-carbon); font-size: 20px; line-height: 1.75; font-weight: 650; }
.ai-project-page .project-richtext p,
.ai-project-page .project-richtext ul,
.ai-project-page .project-richtext ol { margin: 0 0 22px; }
.ai-project-page .project-richtext h4 { margin: 42px 0 16px; font-size: 22px; color: var(--practice-carbon); }
.ai-project-page .project-richtext li + li { margin-top: 8px; }
.ai-project-page .project-richtext code { padding: 2px 6px; border-radius: 4px; background: #e6e9e2; }
.ai-project-page .diagram-shell { margin: 28px 0; padding: 24px; overflow-x: auto; border: 1px solid #c3c8c0; border-radius: 12px; background: #fff; }
.ai-project-page .diagram-fallback { margin: 0; white-space: pre-wrap; }
.ai-project-page .diagram-shell[data-zoom-ready="true"] { position: relative; cursor: zoom-in; transition: border-color .2s ease, box-shadow .2s ease; }
.ai-project-page .diagram-shell[data-zoom-ready="true"]:hover { border-color: var(--practice-teal); box-shadow: 0 8px 28px rgba(16, 20, 15, .08); }
.ai-project-page .diagram-shell[data-zoom-ready="true"]:focus-visible { outline: 3px solid var(--practice-acid); outline-offset: 4px; }
.ai-project-page .diagram-zoom-hint { position: absolute; top: 10px; right: 10px; padding: 6px 9px; border-radius: 999px; color: #fff; background: rgba(16, 20, 15, .78); font-size: 12px; line-height: 1; pointer-events: none; }
.ai-project-page .diagram-dialog { width: min(96vw, 1500px); max-width: none; height: min(92vh, 1000px); max-height: none; margin: auto; padding: 0; overflow: hidden; border: 1px solid #727a74; border-radius: 16px; background: var(--practice-paper); color: var(--practice-carbon); }
.ai-project-page .diagram-dialog::backdrop { background: rgba(7, 11, 9, .78); backdrop-filter: blur(4px); }
.ai-project-page .diagram-dialog-panel { display: grid; grid-template-rows: auto minmax(0, 1fr); height: 100%; }
.ai-project-page .diagram-dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 18px; border-bottom: 1px solid #bfc4be; }
.ai-project-page .diagram-dialog-header h2 { margin: 0; font-size: 18px; }
.ai-project-page .diagram-dialog-close { min-height: 44px; padding: 8px 14px; border: 1px solid var(--practice-carbon); border-radius: 999px; background: transparent; color: var(--practice-carbon); font: inherit; font-weight: 700; cursor: pointer; }
.ai-project-page .diagram-dialog-close:hover { color: #fff; background: var(--practice-carbon); }
.ai-project-page .diagram-dialog-close:focus-visible { outline: 3px solid var(--practice-acid); outline-offset: 2px; }
.ai-project-page .diagram-dialog-body { overflow: auto; padding: 34px; background: #fff; }
.ai-project-page .diagram-dialog-body svg { display: block; width: max(100%, 1100px); height: auto; min-height: 100%; margin: auto; }
body.diagram-dialog-open { overflow: hidden; }
@supports selector(html:has(body)) {
    html:has(.ai-project-page) { scroll-behavior: smooth; }
}
@media (prefers-reduced-motion: reduce) {
    @supports selector(html:has(body)) {
        html:has(.ai-project-page) { scroll-behavior: auto; }
    }
}
.ai-project-page .operation-media { display: grid; gap: 22px; margin-top: 32px; }
.ai-project-page .operation-step { margin: 0; overflow: hidden; border: 1px solid #c8cdc6; border-radius: 14px; background: #fff; }
.ai-project-page .operation-step img { display: block; width: 100%; height: auto; }
.ai-project-page .operation-step figcaption { display: grid; gap: 6px; padding: 18px 20px; }
.ai-project-page .operation-loading,
.ai-project-page .operation-empty { color: #656c69; }
.ai-project-page .operation-timeline { display: grid; gap: 32px; }
.ai-project-page .operation-timeline-item { display: grid; grid-template-columns: minmax(0, .85fr) minmax(280px, 1.15fr); gap: clamp(24px, 5vw, 54px); padding: 28px 0 28px 28px; border-left: 2px solid var(--practice-teal); }
.ai-project-page .operation-timeline-item--text-only { grid-template-columns: minmax(0, 1fr); }
.ai-project-page .operation-timeline-index { color: var(--practice-teal); font: 800 12px/1.4 ui-monospace, monospace; letter-spacing: .1em; }
.ai-project-page .operation-timeline-copy h3 { margin: 10px 0 14px; font-size: clamp(22px, 3vw, 30px); line-height: 1.18; }
.ai-project-page .operation-timeline-copy p { margin: 0; color: #4f5753; font-size: 17px; line-height: 1.85; white-space: pre-wrap; }
.ai-project-page .operation-timeline-media { align-self: start; margin: 0; overflow: hidden; border: 1px solid #c8cdc6; border-radius: 12px; background: #fff; }
.ai-project-page .operation-timeline-media img { display: block; width: 100%; max-height: 520px; object-fit: contain; cursor: zoom-in; }
.ai-project-page .operation-timeline-media img:focus-visible { outline: 3px solid var(--practice-teal); outline-offset: -3px; }
.operation-media-preview { position: fixed; z-index: 10000; inset: 0; display: grid; place-items: center; padding: clamp(20px, 5vw, 64px); background: rgba(11, 16, 14, .9); cursor: zoom-out; }
.operation-media-preview img { display: block; max-width: 100%; max-height: calc(100vh - 40px); object-fit: contain; border-radius: 10px; box-shadow: 0 24px 80px rgba(0, 0, 0, .45); cursor: default; }
.operation-media-preview-close { position: fixed; z-index: 1; top: 18px; right: 22px; display: grid; width: 44px; height: 44px; place-items: center; padding: 0; border: 1px solid rgba(255, 255, 255, .55); border-radius: 50%; color: #fff; background: rgba(0, 0, 0, .45); font: 300 34px/1 sans-serif; cursor: pointer; }
.operation-media-preview-close:hover, .operation-media-preview-close:focus-visible { background: #fff; color: #111; outline: none; }
.ai-project-page .operation-load-error { padding: 24px; border-left: 4px solid var(--practice-acid); background: #fff; }
.ai-project-page .operation-load-error p { margin-top: 0; }
.ai-project-page .operation-load-error button { min-height: 42px; padding: 8px 15px; border: 1px solid var(--practice-carbon); border-radius: 999px; color: var(--practice-carbon); background: transparent; font: inherit; font-weight: 700; cursor: pointer; }
.ai-project-page .related-projects { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; padding-top: 42px; border-top: 1px solid #bfc4be; }
.ai-project-page .related-projects a { display: grid; gap: 10px; min-height: 110px; padding: 20px; border: 1px solid #bfc4be; border-radius: 10px; color: var(--practice-carbon); background: rgba(255,255,255,.45); }
.ai-project-page .related-projects a:hover { border-color: var(--practice-teal); transform: translateY(-2px); }
.ai-project-page .related-projects span { color: #656c69; font-size: 13px; }
.ai-project-page .project-bottom-back { margin-top: 38px; }
.ai-project-page .project-error { max-width: 680px; margin-bottom: 72px; padding: 24px; border-left: 4px solid var(--practice-acid); background: #fff; font-size: 18px; }

.ai-practice-entry { border-left: 5px solid #d7ff3f; background: linear-gradient(120deg, #f8f8ef, #eef5ef); }
.ai-practice-entry .case-kicker { margin: 0 0 12px; color: #136c66; font-size: 12px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

@media (max-width: 720px) {
    .ai-project-page .project-main { padding-top: 28px; }
    .ai-project-page .project-header { grid-template-columns: 1fr; grid-template-areas: "eyebrow" "title" "contribution" "status"; gap: 0; padding: 48px 0 36px; }
    .ai-project-page .project-header h1 { font-size: clamp(34px, 10vw, 42px); line-height: 1.04; }
    .ai-project-page .project-contribution { overflow-wrap: anywhere; font-size: 18px; }
    .ai-project-page .project-status { width: fit-content; min-height: 0; margin-top: 22px; padding: 10px 13px; }
    .ai-project-page .project-reading-layout { display: block; }
    .ai-project-page .project-chapter-nav { top: 56px; z-index: 20; display: flex; gap: 0; margin: 0 calc(var(--spacing-md) * -1); padding: 0 var(--spacing-md); overflow-x: auto; border-top: 1px solid var(--practice-carbon); border-bottom: 1px solid var(--practice-carbon); background: rgba(247, 244, 232, .96); scrollbar-width: none; }
    .ai-project-page .project-chapter-nav::-webkit-scrollbar { display: none; }
    .ai-project-page .project-chapter-nav p { display: none; }
    .ai-project-page .project-chapter-nav a { display: flex; grid-template-columns: none; gap: 6px; min-width: max-content; min-height: 48px; padding: 12px 14px; border-left: 0; border-bottom: 3px solid transparent; }
    .ai-project-page .project-chapter-nav a:hover,
    .ai-project-page .project-chapter-nav a[aria-current="location"] { border-left-color: transparent; border-bottom-color: var(--practice-teal); background: transparent; }
    .ai-project-page .project-section { scroll-margin-top: 112px; padding: 52px 0; }
    .ai-project-page .project-richtext > p:first-child { font-size: 18px; }
    .ai-project-page .operation-timeline-item { grid-template-columns: 1fr; gap: 20px; padding: 24px 0 24px 18px; }
    .ai-project-page .related-projects { grid-template-columns: 1fr; }
    .ai-project-page .diagram-dialog { width: calc(100vw - 16px); height: calc(100vh - 16px); border-radius: 10px; }
    .ai-project-page .diagram-dialog-body { padding: 18px; }
    .ai-project-page .diagram-dialog-body svg { width: max(100%, 860px); }
}