/* DS-M46 — agreed page structure, current palette; prepared review. */
:root{--site-header-height:64px}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--site-header-height) + 24px)}
[hidden]{display:none!important}
.home-view .direction-card h3{min-height:0;margin:12px 0 18px}
.home-view .direction-card .direction-description{margin-bottom:14px}
.home-view .direction-card .direction-description p{font-size:16px;line-height:1.5}
.home-view .direction-card .text-link{margin-top:auto;min-height:44px;display:inline-flex;align-items:center;gap:14px}
.home-view .hero-situation p{max-width:34ch}
.formats-section .section-heading{margin-bottom:26px}
.participation-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.participation-grid article{padding:30px;border:1px solid var(--line);border-radius:16px;background:#fff;display:flex;flex-direction:column;align-items:flex-start}
.participation-grid h3{font-size:29px;line-height:1.18;letter-spacing:-.025em;margin:20px 0 16px}
.participation-grid p{font-size:17px;line-height:1.55;margin:0;max-width:50ch}
.format-index{display:grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:50%;font-size:13px}
.participation-grid .format-bottom{font-size:15px;line-height:1.5;border-top:1px solid var(--line);margin:24px 0 0;padding-top:18px;width:100%;color:var(--muted)}
.product-explorer{position:relative}
.direction-nav{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;position:sticky;top:calc(var(--site-header-height) + 6px);z-index:9;margin-bottom:34px;box-shadow:0 5px 14px #00000007}
.direction-nav a{display:flex;align-items:center;justify-content:center;text-align:center;min-height:46px;padding:8px 14px;text-decoration:none;border-radius:7px;color:var(--muted);font-size:16px;line-height:1.3}
.direction-nav a[aria-current]{background:var(--ink);color:#fff}
.direction-nav a:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.direction-full{--direction-accent:var(--green);--direction-soft:color-mix(in srgb,var(--direction-accent) 28%,#fff);padding:36px;background:#fff;border:1px solid var(--line);border-radius:20px;scroll-margin-top:78px}
.direction-full.lavender{--direction-accent:var(--lavender)}
.direction-full.peach{--direction-accent:var(--peach)}
.direction-full+.direction-full{margin-top:52px}
.direction-full-head{margin-bottom:28px}
.direction-number{font-variant-numeric:tabular-nums}
.direction-full .section-label{margin:0 0 14px;color:var(--muted);font-size:16px;line-height:1.4;letter-spacing:0}
.direction-full h2{font-size:44px;line-height:1.13;letter-spacing:-.035em;margin:0;text-wrap:balance}
.direction-full h3{font-size:24px;line-height:1.25;letter-spacing:-.02em;margin:0 0 16px}
.direction-full p{font-size:17px;line-height:1.55;margin:0}
.direction-start{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:0 0 32px}
.direction-start>div{padding:24px;border:1px solid var(--line);border-radius:12px}
.direction-start>div+div{background:var(--direction-soft);border-color:color-mix(in srgb,var(--direction-accent) 70%,var(--line))}
.direction-start h3{font-size:23px;margin-bottom:12px}
.direction-learning{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:0;padding:0}
.direction-learning li{margin:0;padding:20px;min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:12px}
.direction-learning-head{display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:start;min-height:50px;margin-bottom:16px}
.learning-number{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--direction-accent);color:var(--ink);font-size:18px;font-weight:700;line-height:1}
.direction-learning h4{font-size:18px;line-height:1.3;letter-spacing:-.02em;margin:4px 0 0}
.direction-learning p{font-size:16px;line-height:1.55}
.direction-example{margin:30px 0}
.direction-example-diagram{padding:20px;border:1px solid var(--line);border-radius:12px}
.direction-diagnostics{background:var(--paper)}
.direction-diagnostic{display:grid;grid-template-columns:1.2fr 36px 1fr;gap:14px;align-items:center}
.direction-diagnostic+.direction-diagnostic{margin-top:12px}
.direction-condition,.direction-response{padding:14px 18px;border:1px solid var(--line);border-radius:10px;background:#fff;min-width:0}
.direction-response,.direction-scope-example .direction-condition{background:var(--direction-soft);border-color:color-mix(in srgb,var(--direction-accent) 70%,var(--line))}
.direction-diagram-arrow{text-align:center;color:var(--muted);font-size:30px;line-height:1}
.direction-scope-example{grid-template-columns:1fr 44px 1fr;text-align:center}
.direction-full .direction-example-note{margin-top:16px}
.direction-conditions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.direction-condition-set{display:inline-flex;flex-wrap:wrap;gap:12px;align-items:center;min-width:0}
.direction-condition-chip{display:inline-block;padding:12px 18px;background:var(--direction-soft);border:1px solid var(--direction-accent);border-radius:12px;font-weight:500}
.direction-condition-plus{font-size:22px;font-weight:700}
.direction-roles{margin:0 0 24px}
.direction-participation,.direction-roles .direction-boundary{padding:20px 22px;border:1px solid var(--line);border-radius:12px}
.direction-roles .direction-boundary{font-size:16px;line-height:1.55;color:var(--muted);margin-top:12px;background:var(--paper)}
.direction-participation .direction-boundary{padding:0;border:0;border-radius:0;background:none}
.direction-full.peach .direction-boundary{background:#fff}
.direction-result{background:color-mix(in srgb,var(--direction-accent) 65%,#fff);border:1px solid var(--direction-accent);border-radius:12px;padding:24px}
.direction-result h3{margin-bottom:10px}
.direction-result p{font-size:16px;line-height:1.55}
.direction-result .text-link{font-size:17px;line-height:1.5;color:var(--action-color);text-decoration:underline;text-underline-offset:4px;min-height:44px;margin-top:6px;display:inline-flex;align-items:center;gap:12px}
.direction-result .text-link span{flex:none}
.direction-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.choice-panel{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:36px;padding:32px 0;border-block:1px solid var(--line)}
.choice-panel h2{font-size:32px;line-height:1.15;letter-spacing:-.025em;margin:0 0 16px}
.choice-panel p{font-size:18px;line-height:1.5;max-width:670px;margin:0}
.choice-panel .button{font-size:16px;width:auto;min-width:0;white-space:nowrap}
.home-view #victoria,.home-view #cases,.home-view #open-material{scroll-margin-top:0}
.case-tabs{display:grid;grid-template-columns:.5fr 1fr 1fr 1.3fr;gap:4px;margin:28px 0;padding:8px;background:#fff;border:1px solid var(--line);border-radius:12px;position:sticky;top:calc(var(--site-header-height) + 6px);z-index:9;box-shadow:0 5px 14px #00000007}
.case-tabs button{background:transparent;border:1px solid transparent;border-radius:7px;padding:10px 14px;min-height:46px;color:var(--muted);font-size:16px;line-height:1.3}
.case-tabs button[aria-selected=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.case-tabs button:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.case-panel{scroll-margin-top:90px}
.case-panel .case-gallery{display:grid;grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:calc((100% - 36px)/3);gap:18px;overflow-x:auto;padding:3px 3px 16px;scroll-snap-type:x mandatory;scroll-padding-inline:3px}
.case-panel .case-card h4{font-size:24px;min-height:0}
.case-panel .case-card{padding:26px}
.case-panel .case-card:last-child .text-link{white-space:normal}
.case-panel .case-card[data-case-theme=white]{background:#fff}
.case-panel .case-card[data-case-theme=green]{background:var(--green)}
.case-panel .case-card[data-case-theme=peach]{background:var(--peach)}
.case-panel .case-card[data-case-theme=lavender]{background:var(--lavender)}
#cases .case-gallery-controls{justify-content:flex-end;margin:-8px 0 18px}
#cases .case-gallery-controls button:disabled{opacity:.35;cursor:default}
.avito-teaser{padding:40px;background:#fff;border-radius:20px;display:grid;grid-template-columns:1.2fr .8fr;gap:52px;align-items:center}
.avito-teaser h2{font-size:42px;line-height:1.1;letter-spacing:-.035em;margin:0 0 24px}
.avito-teaser p:not(.section-label){font-size:18px;line-height:1.55;max-width:46ch;margin:0 0 28px}
.avito-teaser .button{width:auto;font-size:16px;display:inline-flex}
.avito-teaser-map{border:1px solid var(--green);border-radius:14px;padding:24px;background:var(--green)}
.avito-teaser-map>div{display:grid;grid-template-columns:30px 1fr;gap:4px 12px;align-items:start}
.avito-teaser-map>div>span{grid-row:1/3;font-size:13px;padding-top:3px}
.avito-teaser-map strong{font-size:20px;line-height:1.25}
.avito-teaser-map small{font-size:14px;line-height:1.45}
.teaser-arrow{display:block;padding:12px 0 12px 42px;font-size:20px}
.conditions-visible{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;border-block:1px solid var(--line);padding:28px 0;margin-bottom:46px}
.conditions-visible h2{font-size:27px;line-height:1.2;letter-spacing:-.025em;margin:0}
.conditions-visible p{font-size:17px;line-height:1.5;margin:0}
.conditions-visible p+p{margin-top:12px}
.home-faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px;padding:20px 0;cursor:pointer}
.home-faq-list summary span{flex:none;font-size:24px;line-height:1;width:24px;text-align:center}
.home-faq-list .faq[open] summary span{transform:rotate(45deg)}
.home-view .closing-panel .closing-note{font-size:15px;margin-top:14px}
.footer-materials{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.footer-materials a{color:var(--ink);font-size:15px;line-height:1.4;padding:8px 0;text-underline-offset:4px}
.home-view .footer-top a{min-height:44px;display:inline-flex;align-items:center}
/* DS-M48: situation first, meaningful labels before values, then explanation. */
.case-panel .case-card h4{margin-bottom:16px}
.case-card .case-intro{font-size:16px;line-height:1.55;margin:0 0 22px;color:var(--ink)}
.case-card .case-metrics{padding:18px 0;margin-bottom:24px;border-block:1px solid var(--line)}
.case-metrics dt{order:0;font-size:15px;font-weight:600;line-height:1.4;color:var(--ink)}
.case-metric-primary{gap:10px}
.case-metric-primary dd{display:block;min-height:0}
.case-metric-qualifier{font-size:16px;line-height:1.4;margin:0 6px 0 0}
.case-metric-secondary{gap:8px;margin-top:20px}
.case-card .case-metric-secondary dd{font-size:22px;font-weight:700}
.home-view .case-dialog{background:#fff}
.home-view .case-dialog .offer-dialog-head{background:#fff}
.case-dialog .case-detail-intro{font-size:18px;line-height:1.55;margin:0 0 28px;max-width:54ch}
.case-detail-numbers{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:22px;margin:26px 0}
.case-detail-numbers>h3{font-size:20px;line-height:1.3;margin:0 0 20px;letter-spacing:-.015em}
.case-detail-numbers .case-detail-metrics{margin:0}
.case-detail-metrics .case-metrics{gap:24px}
.case-detail-metrics .case-metrics>div{min-width:0}
.case-detail-metrics .case-metrics>div:only-child{grid-column:1/-1}
.case-detail-metrics .case-metrics>div+div{border-left:1px solid var(--line);padding-left:24px}
.case-detail-metrics .case-metrics dt{font-size:15px;font-weight:600;color:var(--ink)}
.case-detail-metrics .case-metrics dd{font-size:32px;font-weight:750;letter-spacing:-.03em;line-height:1.2;margin:0;overflow-wrap:normal}
.case-detail-metrics .case-metric-value{white-space:normal}
.case-detail-section{margin:26px 0}
.case-detail-section h3{font-size:20px;line-height:1.3;margin:0 0 12px}
.case-detail-conclusion{border-left:3px solid var(--ink);padding:4px 0 4px 18px;margin:28px 0}
.case-detail-conclusion h3{font-size:20px;line-height:1.3;margin:0 0 12px}
.case-dialog .case-detail-conclusion .case-detail-takeaway{margin:0;font-size:16px;line-height:1.55}
/* DS-M49: concrete context and restrained brand color accents in case details. */
.case-context-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px;margin:22px 0 28px;padding:20px 0;border-block:1px solid var(--line)}
.case-context-grid>div{min-width:0}
.case-context-grid dt{font-size:14px;line-height:1.4;color:var(--muted);margin:0 0 6px}
.case-context-grid dd{font-size:16px;line-height:1.45;font-weight:600;margin:0;color:var(--ink)}
.case-detail-numbers{background:var(--lavender);border:0}
.case-detail-conclusion{background:var(--peach);border:0;border-radius:12px;padding:22px}
.case-detail-lifetime{background:var(--green);border-radius:12px;padding:22px;margin:24px 0}
.case-detail-lifetime h3{font-size:20px;line-height:1.3;margin:0 0 16px}
.case-detail-lifetime .case-lifetime-total{font-size:17px;line-height:1.2;margin:0 0 8px}
.case-lifetime-total strong{font-size:40px;line-height:1.1;letter-spacing:-.03em;white-space:nowrap;margin-left:5px}
.case-detail-lifetime .case-lifetime-period{font-size:17px;line-height:1.4;margin:0 0 18px}
.case-detail-lifetime .case-lifetime-formula{font-size:15px;line-height:1.5;margin:0;padding-top:14px;border-top:1px solid var(--green-ink)}
.case-card .case-metric-note{font-size:14px;line-height:1.45;margin:0;color:var(--ink)}
.victoria-start .case-context-grid{margin:22px 0;grid-template-columns:1fr}
@media (width >= 700px){
 .case-detail-metrics .case-metrics{grid-template-rows:auto auto;row-gap:10px}
 .case-detail-metrics .case-metrics>div{display:grid;grid-template-rows:subgrid;grid-row:span 2;row-gap:10px}
}
@media (700px <= width < 1000px){
 .direction-full{padding:28px}.direction-full h2{font-size:34px}.direction-start{gap:16px}.direction-start>div{padding:20px}.direction-start h3{font-size:21px}
 .direction-learning{grid-template-columns:1fr;gap:14px}.direction-learning-head{min-height:0;align-items:center;margin-bottom:12px}.direction-learning h4{font-size:20px;margin:0}
 .direction-example-diagram{padding:18px}.direction-condition,.direction-response{padding:14px}.direction-condition-set{gap:10px}
 .choice-panel{grid-template-columns:1fr;gap:22px}.choice-panel .button{justify-self:start}
 .participation-grid article{padding:26px}.participation-grid h3{font-size:25px}.participation-grid p{font-size:16px}
 .case-panel .case-gallery{grid-auto-columns:calc((100% - 18px)/2)}.case-panel .case-card h4{font-size:23px}
 .avito-teaser{padding:30px;gap:28px;grid-template-columns:1fr 1fr}.avito-teaser h2{font-size:34px}.avito-teaser p:not(.section-label){font-size:16px}.avito-teaser-map{padding:20px}.avito-teaser-map strong{font-size:18px}
 .conditions-visible{gap:30px}.conditions-visible h2{font-size:25px}
}
@media (width < 700px){
 .case-context-grid{grid-template-columns:1fr;gap:16px;margin:20px 0 24px;padding:18px 0}
 .case-detail-lifetime,.case-detail-conclusion{padding:20px 18px}
 .case-lifetime-total strong{font-size:34px}
 .case-detail-numbers{padding:20px 18px;margin:24px 0}.case-dialog .case-detail-intro{font-size:16px;line-height:1.55}
 .case-detail-metrics .case-metrics{grid-template-columns:1fr;gap:20px}.case-detail-metrics .case-metrics>div+div{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}
 .case-detail-metrics .case-metrics dd{font-size:30px}.case-detail-conclusion{padding-left:16px}
 .participation-grid{grid-template-columns:1fr;gap:14px}.participation-grid article{padding:24px}.participation-grid h3{font-size:26px}.participation-grid p{font-size:16px}.format-index{width:30px;height:30px}
 .direction-nav{gap:2px;padding:5px;top:var(--site-header-height);border-radius:9px;margin-bottom:22px}.direction-nav a{padding:8px 5px;font-size:12px;min-height:48px;border-radius:5px}
 .direction-full{padding:24px 20px;border-radius:16px;scroll-margin-top:58px}.direction-full+.direction-full{margin-top:32px}
 .direction-full-head{margin-bottom:24px}.direction-full .section-label{font-size:14px;margin-bottom:12px}
 .direction-full h2{font-size:29px;line-height:1.15;overflow-wrap:break-word}.direction-full p{font-size:16px}.direction-full h3{font-size:21px;line-height:1.3;margin-bottom:14px}
 .direction-start{grid-template-columns:1fr;gap:12px;margin:0 0 28px}.direction-start>div{padding:18px}
 .direction-learning{grid-template-columns:1fr;gap:14px}.direction-learning li{padding:18px}.direction-learning-head{grid-template-columns:30px 1fr;gap:10px;min-height:0;margin-bottom:14px;align-items:start}.direction-learning h4{font-size:18px;margin:3px 0 0}.learning-number{width:30px;height:30px;font-size:16px}
 .direction-example{margin:28px 0}.direction-example-diagram{padding:14px}.direction-diagnostic,.direction-scope-example{grid-template-columns:1fr;gap:10px;text-align:left}.direction-condition,.direction-response{padding:14px}.direction-diagram-arrow{transform:rotate(90deg);justify-self:center;font-size:26px}.direction-diagnostic+.direction-diagnostic{margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
 .direction-conditions{display:block}.direction-condition-set{display:flex;flex-direction:column;gap:8px;align-items:stretch;margin-top:14px}.direction-condition-chip{text-align:center;padding:10px}.direction-condition-plus{text-align:center;font-size:20px;line-height:1}.direction-full .direction-example-note{margin-top:14px}
 .direction-roles{margin-bottom:24px}.direction-participation,.direction-roles .direction-boundary{padding:18px}.direction-roles .direction-boundary{font-size:16px}
 .direction-participation .direction-boundary{padding:0}
 .direction-result{padding:20px}.direction-result .text-link{font-size:16px}
 .choice-panel{grid-template-columns:1fr;gap:22px;padding:28px 0}.choice-panel h2{font-size:29px}.choice-panel p{font-size:17px}.choice-panel .button{white-space:normal;width:100%;font-size:15px}
 .case-tabs{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px;padding:5px;top:var(--site-header-height);border-radius:9px}.case-tabs button{font-size:14px;padding:10px 8px;min-height:48px;overflow-wrap:normal}
 .case-panel{scroll-margin-top:136px}
 .case-panel .case-gallery{grid-auto-columns:88%;gap:16px}.case-panel .case-card{padding:24px}.case-panel .case-card h4{font-size:25px}
 .avito-teaser{grid-template-columns:1fr;padding:26px 24px;gap:28px;border-radius:16px}.avito-teaser h2{font-size:34px}.avito-teaser p:not(.section-label){font-size:17px;margin-bottom:24px}.avito-teaser .button{font-size:15px;width:100%}.avito-teaser-map{padding:22px}.avito-teaser-map strong{font-size:20px}
 .conditions-visible{grid-template-columns:1fr;gap:20px;padding-block:24px;margin-bottom:34px}.conditions-visible h2{font-size:26px}.conditions-visible p{font-size:16px}
 .footer-materials{display:grid;grid-template-columns:1fr;gap:6px;margin-top:18px;padding-top:14px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* DS-M51: approved pre-mailing refinements; M50 service layout is retained. */
.direction-result-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;margin-top:20px}
.direction-result-actions .button{display:inline-flex;width:auto;font-size:16px;min-width:0}
.direction-result .direction-result-actions .text-link{margin-top:0;font-size:16px}
.home-view .author-layout{background:var(--paper);border:1px solid color-mix(in srgb,var(--ink) 16%,transparent)}
.conditions-visible{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 32px}
.conditions-visible h2{margin-bottom:22px}
.conditions-items{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.conditions-items p{display:flex;flex-direction:column;gap:8px}
.conditions-items p+p{margin:0;border-left:1px solid var(--line);padding-left:24px}
.conditions-items strong{font-size:17px;line-height:1.4}
.conditions-items span{color:var(--muted);font-size:16px;line-height:1.5}
@media(max-width:699px){
 .direction-result-actions{display:grid;gap:12px}
 .direction-result-actions .button{width:100%;font-size:15px}
 .direction-result .direction-result-actions .text-link{font-size:15px}
 .conditions-visible{padding:24px}
 .conditions-items{grid-template-columns:1fr;gap:20px}
 .conditions-items p+p{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:20px}
}