:root {
  color-scheme: light;
  --csc-navy: #002d71;
  --csc-navy-900: #061c3b;
  --csc-blue: #0b6db8;
  --csc-blue-500: #1487df;
  --ai-green: #18c995;
  --ai-green-soft: #dffaf2;
  --cta-orange: #b14800;
  --cta-orange-hover: #943900;
  --product-cyan: #4aa6bf;
  --product-cyan-dark: #176b84;
  --product-sky: #eaf7fb;
  --product-orange: #b14800;
  --product-orange-hover: #943900;
  --ink: #1a1d2e;
  --ink-soft: #506078;
  --line: #d6e1ed;
  --surface: #ffffff;
  --surface-muted: #f3f7fb;
  --surface-blue: #eaf5ff;
  --risk-critical: #b42336;
  --risk-high: #a94700;
  --risk-medium: #7a5200;
  --risk-low: #087154;
  --font-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: clamp(1.35rem, 2vw, 1.65rem);
  --text-2xl: clamp(1.75rem, 3vw, 2.5rem);
  --text-hero: clamp(2.25rem, 5.2vw, 4.5rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.25rem;
  --radius-pill: 999px;
  --shadow-sm: 0 8px 24px rgba(0, 45, 113, 0.08);
  --shadow-lg: 0 24px 64px rgba(0, 45, 113, 0.16);
  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
main > section { scroll-margin-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  line-break: strict;
  word-break: normal;
  overflow-wrap: anywhere;
  -webkit-font-smoothing: antialiased;
}
h1, h2 { text-wrap: balance; }
.phrase { display: inline-block; }
.heading-line { display: block; }
.value-unit { white-space: nowrap; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--ai-green); outline-offset: 3px; }

.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.section { padding-block: var(--space-20); }
.section--muted { background: var(--surface-muted); }
.section--navy { color: white; background: var(--csc-navy-900); }
.section--navy .eyebrow { color: #9ed9e8; }
.section--blue { background: var(--surface-blue); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-4);
  color: var(--csc-blue);
  font-size: var(--text-sm);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.eyebrow::before { width: 24px; height: 2px; background: var(--ai-green); content: ""; }
.section-title {
  max-width: 820px;
  margin: 0;
  font-size: var(--text-2xl);
  line-height: 1.35;
  letter-spacing: 0.04em;
}
.section-lead { max-width: 760px; margin: var(--space-5) 0 0; color: var(--ink-soft); font-size: var(--text-lg); }
.section--navy .section-lead { color: #c8d5e6; }
.center { text-align: center; }
.center .section-title, .center .section-lead { margin-inline: auto; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(0, 45, 113, 0.08);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
}
.site-header__inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }
.brand { min-width: 0; display: inline-flex; align-items: center; gap: var(--space-3); font-weight: 900; letter-spacing: 0.02em; }
.brand__mark { display: grid; width: 34px; height: 34px; place-items: center; color: white; background: var(--csc-navy); font: 800 13px/1 var(--font-mono); }
.brand__text { min-width: 0; }
.brand__text small { display: block; color: var(--ink-soft); font-size: 9px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.site-nav { display: flex; align-items: center; gap: var(--space-6); font-size: var(--text-sm); font-weight: 700; }
.site-nav a:hover { color: var(--csc-blue); }
.mobile-nav-button { flex: 0 0 auto; display: none; border: 0; background: transparent; padding: var(--space-2); white-space: nowrap; }

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  font-weight: 800;
  line-height: 1.2;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.btn--primary { color: white; background: var(--cta-orange); }
.btn--primary:hover { background: var(--cta-orange-hover); }
.btn--secondary { color: var(--csc-navy); border-color: var(--csc-navy); background: white; }
.btn--blue { color: white; background: var(--csc-navy); }
.btn--ghost { color: white; border-color: rgba(255,255,255,.5); background: transparent; }
.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.badge, .tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.75rem;
  background: white;
  color: var(--csc-navy);
  font-size: var(--text-xs);
  font-weight: 800;
}
.badge--green { border-color: transparent; background: var(--ai-green-soft); color: #087154; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 720px;
  display: grid;
  align-items: center;
  background:
    linear-gradient(rgba(0,45,113,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,45,113,.05) 1px, transparent 1px),
    radial-gradient(circle at 84% 20%, rgba(24,201,149,.22), transparent 28%),
    radial-gradient(circle at 18% 80%, rgba(20,135,223,.18), transparent 30%),
    #f9fcff;
  background-size: 32px 32px, 32px 32px, auto, auto, auto;
}
.hero::after { position: absolute; inset: auto -10% -45% 40%; height: 540px; border-radius: 50%; background: rgba(11,109,184,.08); content: ""; filter: blur(2px); }
.hero__grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr); align-items: center; gap: var(--space-12); padding-block: var(--space-16); }
.hero h1 { max-width: 780px; margin: var(--space-5) 0; font-size: var(--text-hero); line-height: 1.25; letter-spacing: 0.035em; }
.hero h1 em { color: var(--csc-blue); font-style: normal; }
.hero__lead { max-width: 680px; margin: 0 0 var(--space-8); color: var(--ink-soft); font-size: var(--text-lg); }
.hero__trust { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-8); }

.security-console {
  position: relative;
  border: 1px solid rgba(24,201,149,.3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--csc-navy-900);
  box-shadow: var(--shadow-lg);
  color: white;
}
.security-console__bar { display: flex; align-items: center; justify-content: space-between; padding: var(--space-3) var(--space-4); border-bottom: 1px solid rgba(255,255,255,.1); color: #aac2dc; font: 700 var(--text-xs)/1.4 var(--font-mono); }
.security-console__dots { display: flex; gap: 6px; }
.security-console__dots i { width: 8px; height: 8px; border-radius: 50%; background: #55708d; }
.security-console__body { padding: var(--space-6); }
.signal { display: grid; grid-template-columns: 70px 1fr auto; align-items: center; gap: var(--space-3); padding: var(--space-3) 0; border-bottom: 1px solid rgba(255,255,255,.08); font: 650 var(--text-sm)/1.4 var(--font-mono); }
.signal:last-child { border: 0; }
.signal__level { color: var(--ai-green); }
.signal__status { border-radius: var(--radius-pill); padding: .25rem .55rem; color: #071a31; background: var(--ai-green); font-size: 10px; font-weight: 900; }
.scan-line { height: 4px; margin-top: var(--space-6); border-radius: 2px; background: linear-gradient(90deg, var(--ai-green) 68%, #223e5f 68%); }

.grid { display: grid; gap: var(--space-5); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  background: white;
  box-shadow: 0 1px 0 rgba(0,45,113,.03);
}
.card--lift { transition: transform 180ms ease, box-shadow 180ms ease; }
.card--lift:hover { transform: translateY(-5px); box-shadow: var(--shadow-sm); }
.card__number { color: var(--csc-blue); font: 800 var(--text-sm)/1 var(--font-mono); letter-spacing: .08em; }
.card h3 { margin: var(--space-3) 0 var(--space-2); font-size: var(--text-xl); line-height: 1.45; }
.card p { margin: 0; color: var(--ink-soft); }
.icon-box { display: grid; width: 48px; height: 48px; place-items: center; border-radius: 12px; background: var(--surface-blue); color: var(--csc-blue); font: 800 20px/1 var(--font-mono); }

.metric-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--line); box-shadow: var(--shadow-sm); }
.metric { padding: var(--space-5); background: white; text-align: center; }
.metric strong { display: block; color: var(--csc-navy); font-size: var(--text-2xl); line-height: 1.2; }
.metric span { color: var(--ink-soft); font-size: var(--text-sm); }

.check-list { margin: var(--space-6) 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: var(--space-3) 0 var(--space-3) 34px; border-bottom: 1px solid var(--line); }
.check-list li::before { position: absolute; left: 0; top: 16px; display: grid; width: 20px; height: 20px; place-items: center; border: 2px solid var(--csc-blue); border-radius: 4px; color: var(--csc-blue); content: "✓"; font-size: 12px; font-weight: 900; }

.diagnostic-tabs { margin-top: var(--space-8); }
.tab-list { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-5); }
.tab-button { border: 1px solid var(--line); border-radius: var(--radius-pill); padding: .65rem 1rem; background: white; color: var(--ink-soft); font-weight: 800; }
.tab-button[aria-selected="true"] { border-color: var(--csc-navy); color: white; background: var(--csc-navy); }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; }
.detail-list { columns: 2; column-gap: var(--space-8); margin: 0; padding-left: 1.25rem; }
.detail-list li { break-inside: avoid; margin-bottom: var(--space-2); }

.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-4); margin-top: var(--space-8); }
.flow__step { position: relative; min-height: 170px; border-radius: var(--radius-md); padding: var(--space-5); color: white; background: var(--csc-navy); }
.flow__step:not(:last-child)::after { position: absolute; top: 50%; right: calc(var(--space-4) * -1); width: var(--space-4); height: 2px; background: var(--ai-green); content: ""; }
.flow__step small { color: var(--ai-green); font: 800 var(--text-sm)/1 var(--font-mono); }
.flow__step h3 { margin: var(--space-4) 0 var(--space-2); line-height: 1.35; }
.flow__step p { margin: 0; color: #c8d5e6; font-size: var(--text-sm); }
.flow__step--external { color: var(--ink); border: 2px dashed var(--line); background: white; }
.flow__step--external p { color: var(--ink-soft); }

.service-boundary { margin: var(--space-6) 0 0; border-left: 4px solid var(--csc-blue); padding: var(--space-4) var(--space-5); color: var(--ink-soft); background: var(--surface-blue); }
.service-boundary--dark { color: #d9e8f2; border-left-color: var(--product-cyan); background: rgba(255,255,255,.08); }

.claim-review { display: grid; grid-template-columns: minmax(120px, .28fr) 1fr; gap: var(--space-6); align-items: start; margin-top: var(--space-8); border: 1px solid #b9dce8; border-left: 6px solid var(--product-cyan); border-radius: var(--radius-md); padding: var(--space-6); background: white; box-shadow: var(--shadow-sm); }
.claim-review__label { color: var(--product-cyan-dark); font: 900 var(--text-sm)/1.4 var(--font-mono); letter-spacing: .08em; }
.claim-review h2, .claim-review h3 { margin: 0 0 var(--space-3); color: var(--csc-navy); }
.claim-review p { margin: 0; color: var(--ink-soft); }
.claim-review--product { margin-top: 0; }

.report-preview { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: white; box-shadow: var(--shadow-lg); }
.report-preview__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-4) var(--space-5); color: white; background: var(--csc-navy); }
.report-preview__body { display: grid; grid-template-columns: 220px 1fr; min-height: 360px; }
.report-preview__score { display: grid; place-content: center; padding: var(--space-6); background: var(--surface-muted); text-align: center; }
.score-ring { display: grid; width: 132px; height: 132px; place-items: center; margin: 0 auto var(--space-4); border: 10px solid var(--ai-green); border-radius: 50%; background: var(--surface-muted); }
.score-ring::after { display: grid; width: 92px; height: 92px; place-items: center; border-radius: 50%; background: white; color: #087154; content: "SAMPLE"; font: 800 .8rem/1 var(--font-mono); letter-spacing: .08em; }
.score-ring--report { border: 10px solid var(--product-cyan); background: var(--surface-muted); }
.score-ring--report::after { width: 92px; height: 92px; color: var(--csc-navy); content: "REPORT"; font: 800 .8rem/1 var(--font-mono); letter-spacing: .08em; }
.finding-list { padding: var(--space-6); }
.finding { display: grid; grid-template-columns: 90px 1fr auto; gap: var(--space-3); align-items: center; padding: var(--space-3) 0; border-bottom: 1px solid var(--line); }
.risk { border-radius: var(--radius-pill); padding: .25rem .65rem; color: white; font-size: 11px; font-weight: 900; text-align: center; }
.risk--critical { background: var(--risk-critical); }
.risk--high { background: var(--risk-high); }
.risk--medium { background: var(--risk-medium); }
.risk--low { background: var(--risk-low); }

.comparison { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: var(--radius-md); background: white; box-shadow: var(--shadow-sm); }
.comparison th, .comparison td { padding: var(--space-4); border-bottom: 1px solid var(--line); text-align: center; }
.comparison th:first-child, .comparison td:first-child { text-align: left; }
.comparison thead { color: white; background: var(--csc-navy); }
.comparison tbody tr:last-child td { border-bottom: 0; }
.comparison .is-csc { color: var(--csc-navy); background: var(--surface-blue); font-weight: 900; }

.platform-map { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); margin-top: var(--space-8); }
.platform-map__item { position: relative; border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius-md); padding: var(--space-6); background: rgba(255,255,255,.05); }
.platform-map__item:not(:last-child)::after { position: absolute; top: 50%; right: -18px; color: var(--ai-green); content: "→"; font-size: 24px; }
.platform-map__item.is-current { border-color: var(--ai-green); background: rgba(24,201,149,.12); }
.platform-map__item small { color: var(--ai-green); font-weight: 900; }

.faq { margin-top: var(--space-8); border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; gap: var(--space-4); padding: var(--space-5) 0; cursor: pointer; font-weight: 800; list-style: none; }
.faq summary::after { color: var(--csc-blue); content: "+"; font-size: 24px; }
.faq details[open] summary::after { content: "−"; }
.faq details p { max-width: 840px; margin: 0 0 var(--space-5); color: var(--ink-soft); }

.cta-band { position: relative; overflow: hidden; color: white; background: var(--csc-navy); }
.cta-band::after { position: absolute; inset: -80% -10% auto 60%; width: 520px; height: 520px; border: 1px solid rgba(24,201,149,.35); border-radius: 50%; content: ""; }
.cta-band__inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: var(--space-8); padding-block: var(--space-16); }
.cta-band h2 { max-width: 680px; margin: 0; font-size: var(--text-2xl); line-height: 1.4; }
.cta-band p { margin: var(--space-3) 0 0; color: #c8d5e6; }

.site-footer { padding-block: var(--space-10); color: #c8d5e6; background: var(--csc-navy-900); font-size: var(--text-sm); }
.site-footer__inner { display: flex; justify-content: space-between; gap: var(--space-5); }

.variant-banner { padding: var(--space-3) 0; color: white; background: var(--csc-navy-900); font-size: var(--text-sm); }
.variant-banner .container { display: flex; justify-content: space-between; gap: var(--space-4); }
.variant-banner a { color: var(--ai-green); font-weight: 800; }

.preview-grid { min-height: 100vh; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); background: var(--surface-muted); }
.preview-card { display: flex; min-height: 100vh; flex-direction: column; padding: var(--space-12); border-right: 1px solid var(--line); }
.preview-card:last-child { border-right: 0; }
.preview-card__thumb { flex: 1; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); background: white; box-shadow: var(--shadow-lg); }
.preview-card__mock { min-height: 430px; padding: var(--space-8); background: linear-gradient(145deg, #f9fcff, #eaf5ff); }
.preview-card__mock--product { color: var(--csc-navy-900); background: linear-gradient(145deg, #f7fcff 0 62%, #e1f3f8 62% 100%); }
.preview-card h2 { margin: var(--space-5) 0 var(--space-2); }
.preview-card p { color: var(--ink-soft); }

.token-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
.swatch { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; }
.swatch__color { height: 100px; }
.swatch__meta { padding: var(--space-4); font: 700 var(--text-sm)/1.5 var(--font-mono); }
.component-sample { border-top: 1px solid var(--line); padding-top: var(--space-8); margin-top: var(--space-8); }

.pmf-ribbon { display: flex; align-items: center; gap: var(--space-3); margin-bottom: var(--space-6); color: #087154; font-size: var(--text-sm); font-weight: 800; }
.pmf-ribbon::before { width: 10px; height: 10px; border-radius: 50%; background: var(--ai-green); content: ""; box-shadow: 0 0 0 6px rgba(24,201,149,.16); }

.preview-form { display: grid; grid-template-columns: 1fr 1fr auto; align-items: end; gap: var(--space-5); margin-bottom: var(--space-12); border: 1px solid rgba(255,255,255,.26); border-radius: var(--radius-md); padding: var(--space-6); color: var(--ink); background: white; box-shadow: var(--shadow-lg); }
.preview-form > * { min-width: 0; }
.preview-form__field { min-width: 0; display: grid; gap: var(--space-2); font-size: var(--text-sm); font-weight: 800; }
.preview-form__field select { width: 100%; min-width: 0; min-height: 48px; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .65rem .8rem; color: var(--ink); background: white; }
.preview-form .btn { max-width: 100%; white-space: normal; }
.preview-form__check { display: flex; align-items: flex-start; gap: var(--space-3); color: var(--ink-soft); font-size: var(--text-sm); font-weight: 700; }
.preview-form__check input { width: 20px; height: 20px; flex: 0 0 auto; margin-top: 3px; accent-color: var(--csc-blue); }
.preview-form__note { grid-column: 1 / -1; margin: 0; color: var(--ink-soft); font-size: var(--text-xs); }
.preview-form__result { grid-column: 1 / -1; border-left: 4px solid var(--risk-low); padding: var(--space-3) var(--space-4); color: #075d45; background: var(--ai-green-soft); font-weight: 800; }

/* Decision brief: CSC社内レビュー用のコンサルティング資料型レイアウト */
.decision-brief {
  --brief-ink: #0a2344;
  --brief-blue: #0b5fa5;
  --brief-line: #bfd0e1;
  color: var(--brief-ink);
  background: #fff;
}
.review-status { color: white; background: var(--csc-navy-900); font: 800 11px/1.4 var(--font-mono); letter-spacing: .08em; }
.review-status__inner { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.review-status strong { color: #a9dceb; }
.decision-brief .site-header { position: relative; border-bottom-color: var(--brief-line); backdrop-filter: none; }
.decision-brief .site-nav a { position: relative; }
.decision-brief .site-nav a::after { position: absolute; right: 0; bottom: -8px; left: 0; height: 2px; background: var(--brief-blue); content: ""; opacity: 0; transform: scaleX(.35); transition: opacity 160ms ease, transform 160ms ease; }
.decision-brief .site-nav a:hover::after, .decision-brief .site-nav a:focus-visible::after { opacity: 1; transform: scaleX(1); }

.brief-cover { position: relative; overflow: hidden; border-bottom: 1px solid var(--brief-line); background: #f4f8fc; }
.brief-cover::after { position: absolute; inset: 0 0 0 auto; width: 32%; border-left: 1px solid rgba(11,95,165,.14); background: repeating-linear-gradient(90deg, transparent 0 79px, rgba(11,95,165,.07) 80px); content: ""; pointer-events: none; }
.brief-cover__meta { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr auto auto; gap: var(--space-8); border-bottom: 1px solid var(--brief-line); padding-block: 14px; color: #506783; font: 800 11px/1.4 var(--font-mono); letter-spacing: .1em; }
.brief-cover__grid { position: relative; z-index: 1; min-height: 610px; display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(360px, .82fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); padding-block: clamp(4rem, 9vw, 7.5rem); }
.brief-cover__copy { max-width: 760px; }
.brief-label { display: flex; flex-wrap: wrap; align-items: center; gap: 0; margin: 0 0 var(--space-6); font: 800 12px/1 var(--font-mono); letter-spacing: .08em; }
.brief-label span { border: 1px solid var(--brief-blue); padding: 9px 12px; color: white; background: var(--brief-blue); }
.brief-label span + span { color: var(--brief-blue); background: white; }
.brief-cover h1 { max-width: 820px; margin: 0; color: var(--brief-ink); font-size: clamp(2.7rem, 6vw, 5.8rem); font-weight: 900; line-height: 1.08; letter-spacing: -.035em; }
.brief-cover__lead { max-width: 720px; margin: var(--space-6) 0 var(--space-8); color: #3d5877; font-size: clamp(1.05rem, 1.7vw, 1.3rem); line-height: 1.8; }
.brief-footnote { margin: var(--space-5) 0 0; color: #63778e; font-size: 12px; line-height: 1.7; }
.executive-callout { border-top: 6px solid var(--brief-blue); padding: var(--space-8); background: var(--brief-ink); color: white; box-shadow: 18px 18px 0 rgba(10,35,68,.09); }
.executive-callout__kicker { margin: 0 0 var(--space-5); color: #8fd5e5; font: 800 11px/1.4 var(--font-mono); letter-spacing: .12em; }
.executive-callout h2 { margin: 0; font-size: clamp(1.45rem, 2.3vw, 2rem); line-height: 1.5; }
.executive-callout__steps { margin: var(--space-8) 0 0; padding: 0; list-style: none; }
.executive-callout__steps li { display: grid; grid-template-columns: 36px 64px 1fr; gap: var(--space-3); align-items: baseline; border-top: 1px solid rgba(255,255,255,.18); padding: var(--space-4) 0; }
.executive-callout__steps span { color: #8fd5e5; font: 800 12px/1 var(--font-mono); }
.executive-callout__steps strong { font-size: var(--text-sm); }
.executive-callout__steps p { margin: 0; color: #cfdae6; font-size: var(--text-sm); }

.brief-section { padding-block: clamp(4.5rem, 9vw, 8rem); }
.brief-section--muted { background: #f4f7fa; }
.brief-section--navy { color: white; background: var(--brief-ink); }
.brief-section__head { display: grid; grid-template-columns: 88px 1fr; gap: var(--space-6); align-items: start; margin-bottom: clamp(2.5rem, 5vw, 4.5rem); }
.brief-section__head--compact { margin-bottom: var(--space-10); }
.brief-section__number { margin: 0; border-top: 4px solid var(--brief-blue); padding-top: var(--space-3); color: var(--brief-blue); font: 900 2rem/1 var(--font-mono); }
.brief-section--navy .brief-section__number { border-top-color: #8fd5e5; color: #8fd5e5; }
.brief-section__head .eyebrow { margin-bottom: var(--space-3); }
.brief-section--navy .eyebrow { color: #8fd5e5; }
.brief-section__head h2, .recommendation-panel h2, .decision-request h2, .brief-final h2 { max-width: 920px; margin: 0; font-size: clamp(1.8rem, 3.4vw, 3rem); line-height: 1.35; letter-spacing: .01em; }

.insight-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--brief-line); }
.insight-card { min-height: 360px; display: flex; flex-direction: column; align-items: flex-start; padding: var(--space-8); border-right: 1px solid var(--brief-line); }
.insight-card:last-child { border-right: 0; }
.insight-card--accent { background: #edf6fb; }
.insight-card__index { color: var(--brief-blue); font: 800 11px/1.4 var(--font-mono); letter-spacing: .1em; }
.insight-card h3 { margin: var(--space-8) 0 var(--space-4); font-size: clamp(1.25rem, 2vw, 1.6rem); line-height: 1.55; }
.insight-card p { margin: 0 0 var(--space-6); color: #51667e; }
.insight-card .status-tag { margin-top: auto; }
.status-tag { display: inline-flex; align-items: center; border: 1px solid currentColor; padding: 6px 9px; font: 800 11px/1 var(--font-mono); letter-spacing: .06em; }
.status-tag--fact { color: #087154; background: #eefaf6; }
.status-tag--hypothesis { color: #8a5b00; background: #fff8e8; }
.status-tag--recommend { color: var(--brief-blue); background: #edf6fb; }
.status-tag--gate { color: #a03846; background: #fff1f2; }

.decision-context { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid rgba(255,255,255,.22); }
.decision-context article { padding: clamp(1.75rem, 4vw, 3rem); }
.decision-context article + article { border-left: 1px solid rgba(255,255,255,.22); background: rgba(255,255,255,.04); }
.decision-context__label { display: inline-block; margin: 0 0 var(--space-5); border-bottom: 2px solid #8fd5e5; padding-bottom: var(--space-2); color: #8fd5e5; font-weight: 900; }
.decision-context__label--muted { border-color: #9cadbf; color: #c0cedd; }
.decision-context ul { margin: 0; padding: 0; list-style: none; }
.decision-context li { position: relative; border-top: 1px solid rgba(255,255,255,.12); padding: var(--space-4) 0 var(--space-4) 26px; color: #d8e2ed; }
.decision-context li::before { position: absolute; left: 0; color: #8fd5e5; content: "—"; }

.decision-table-wrap { overflow-x: auto; border-top: 5px solid var(--brief-blue); background: white; box-shadow: 0 16px 40px rgba(10,35,68,.08); }
.decision-table { width: 100%; min-width: 920px; border-collapse: collapse; }
.decision-table caption { padding: 0; width: 1px; height: 1px; overflow: hidden; position: absolute; clip: rect(0 0 0 0); white-space: nowrap; }
.decision-table th, .decision-table td { border-right: 1px solid #d7e1eb; border-bottom: 1px solid #d7e1eb; padding: 20px; text-align: left; vertical-align: top; }
.decision-table th:last-child, .decision-table td:last-child { border-right: 0; }
.decision-table thead th { color: white; background: var(--brief-ink); font-size: var(--text-sm); }
.decision-table thead th:nth-child(3) { background: var(--brief-blue); }
.decision-table tbody th { width: 17%; color: var(--brief-ink); background: #eef3f8; font-size: var(--text-sm); }
.decision-table td { color: #475d75; }
.decision-table__view { color: var(--brief-ink) !important; background: #edf6fb; font-weight: 800; }

.option-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); }
.option-card { position: relative; display: flex; flex-direction: column; border: 1px solid var(--brief-line); border-top: 6px solid #71869d; padding: clamp(1.75rem, 4vw, 3rem); background: white; }
.option-card--recommended { border-top-color: var(--brief-blue); box-shadow: 16px 16px 0 #e7f0f7; }
.option-card__head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); color: #5d7188; font: 900 12px/1 var(--font-mono); letter-spacing: .1em; }
.option-card h3 { margin: var(--space-8) 0 var(--space-4); font-size: clamp(1.5rem, 2.5vw, 2rem); line-height: 1.4; }
.option-card__role { margin: 0; color: #405b78; font-size: var(--text-lg); font-weight: 700; }
.option-card__facts { margin: var(--space-8) 0; }
.option-card__facts div { display: grid; grid-template-columns: 100px 1fr; gap: var(--space-4); border-top: 1px solid var(--brief-line); padding: var(--space-4) 0; }
.option-card__facts dt { color: #63778e; font: 800 11px/1.6 var(--font-mono); letter-spacing: .06em; }
.option-card__facts dd { margin: 0; color: #405b78; }
.option-card__link { min-height: 48px; display: flex; align-items: center; justify-content: space-between; margin-top: auto; border-top: 2px solid var(--brief-ink); padding-top: var(--space-4); color: var(--brief-ink); font-weight: 900; }
.option-card__link:hover { color: var(--brief-blue); }

.recommendation-panel { color: white; background: #0b5fa5; }
.recommendation-panel__grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(420px, .9fr); gap: clamp(3rem, 8vw, 7rem); align-items: start; }
.recommendation-panel .eyebrow { color: #bfe8f1; }
.recommendation-panel > .container > div > p:not(.eyebrow):not(.brief-footnote) { max-width: 720px; color: #e2eef7; font-size: var(--text-lg); }
.recommendation-panel .brief-footnote { color: #c6dae9; }
.recommendation-reasons { border-top: 1px solid rgba(255,255,255,.45); }
.recommendation-reasons article { display: grid; grid-template-columns: 44px 130px 1fr; gap: var(--space-4); align-items: baseline; border-bottom: 1px solid rgba(255,255,255,.28); padding: var(--space-5) 0; }
.recommendation-reasons span { color: #bfe8f1; font: 800 12px/1 var(--font-mono); }
.recommendation-reasons h3 { margin: 0; font-size: var(--text-md); }
.recommendation-reasons p { margin: 0; color: #d8e8f4; font-size: var(--text-sm); }

.decision-roadmap { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; counter-reset: roadmap; }
.decision-roadmap li { position: relative; min-height: 300px; border-top: 5px solid #8fd5e5; border-right: 1px solid rgba(255,255,255,.2); padding: var(--space-6); background: rgba(255,255,255,.04); }
.decision-roadmap li:last-child { border-right: 0; }
.decision-roadmap span { color: #8fd5e5; font: 800 11px/1 var(--font-mono); letter-spacing: .08em; }
.decision-roadmap h3 { margin: var(--space-10) 0 var(--space-3); font-size: var(--text-xl); }
.decision-roadmap p { margin: 0; color: #d7e2ed; }
.decision-roadmap small { display: block; margin-top: var(--space-8); border-top: 1px solid rgba(255,255,255,.16); padding-top: var(--space-4); color: #9fc4d6; }

.decision-request { display: grid; grid-template-columns: .75fr 1.25fr; gap: clamp(3rem, 8vw, 7rem); }
.decision-request__intro > p:not(.eyebrow) { color: #596e85; }
.decision-request__list { margin: 0; padding: 0; list-style: none; }
.decision-request__list li { display: grid; grid-template-columns: 56px 1fr; align-items: center; border-top: 1px solid var(--brief-line); padding: var(--space-4) 0; }
.decision-request__list li:last-child { border-bottom: 1px solid var(--brief-line); }
.decision-request__list span { color: var(--brief-blue); font: 900 12px/1 var(--font-mono); }
.decision-request__list p { margin: 0; font-weight: 800; }

.assumption-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.assumption-grid article { border-top: 4px solid #8295a9; padding: var(--space-6); background: white; }
.assumption-grid ul { margin: var(--space-6) 0 0; padding-left: 1.1rem; color: #52677e; }
.assumption-grid li + li { margin-top: var(--space-3); }

.brief-final { padding-block: clamp(4rem, 8vw, 7rem); color: white; background: var(--brief-ink); }
.brief-final__inner { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: var(--space-10); }
.brief-final .eyebrow { color: #8fd5e5; }
.brief-final p:not(.eyebrow) { max-width: 760px; color: #cedae6; }
.decision-brief .site-footer { border-top: 1px solid rgba(255,255,255,.16); }

/* Product security tone: WafCharm / 攻撃遮断くんの視覚文法を継承 */
[data-design-tone="waf-product"] {
  --tone-primary: var(--csc-navy);
  --tone-accent: var(--product-cyan);
  --tone-action: var(--product-orange);
}
[data-design-tone="waf-product"] .variant-banner { background: #092b50; }
[data-design-tone="waf-product"] .variant-banner a { color: #9ed9e8; }
[data-design-tone="waf-product"] .site-header { backdrop-filter: none; background: white; }
[data-design-tone="waf-product"] .brand__mark { border-radius: 0; background: var(--csc-navy); }
[data-design-tone="waf-product"] .btn { border-radius: 10px; }
[data-design-tone="waf-product"] .btn--primary { background: var(--product-orange); box-shadow: 0 8px 22px rgba(177, 72, 0, .22); }
[data-design-tone="waf-product"] .btn--primary:hover { background: var(--product-orange-hover); }
[data-design-tone="waf-product"] .btn--secondary { color: var(--csc-navy); border-color: var(--csc-navy); }

.product-topbar { border-bottom: 1px solid var(--line); color: var(--ink-soft); background: #f8fbfd; font-size: 12px; }
.product-topbar__inner { min-height: 34px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.product-topbar__links { display: flex; gap: var(--space-5); }
.product-topbar__links strong { color: var(--csc-navy); }

.product-hero { position: relative; overflow: hidden; background: #f7fbfe; }
.product-hero::before { position: absolute; inset: 0; background-image: linear-gradient(rgba(10,49,95,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(10,49,95,.035) 1px, transparent 1px); background-size: 48px 48px; content: ""; pointer-events: none; }
.product-hero__grid { position: relative; z-index: 1; min-height: 720px; display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(460px, .96fr); align-items: center; gap: clamp(2rem, 4vw, 4.25rem); padding-block: clamp(3.5rem, 6vw, 5.75rem); }
.product-hero__copy { max-width: 760px; }
.product-kicker { display: inline-flex; align-items: center; margin-bottom: var(--space-5); border-left: 4px solid var(--product-cyan); padding: .25rem 0 .25rem .85rem; color: var(--product-cyan-dark); font-size: var(--text-sm); font-weight: 900; letter-spacing: .05em; }
.product-hero h1 { margin: 0; color: var(--csc-navy-900); font-size: clamp(2.15rem, 3.5vw, 3.55rem); font-weight: 900; line-height: 1.22; letter-spacing: .015em; }
.product-hero h1 em { display: block; margin-top: .2em; color: var(--csc-blue); font-style: normal; }
.product-hero h1 em .phrase + .phrase { margin-left: .18em; }
.product-hero__lead { max-width: 700px; margin: var(--space-6) 0; color: #435a71; font-size: clamp(1rem, 1.3vw, 1.12rem); line-height: 1.9; }
.product-hero__provider { display: flex; align-items: flex-start; gap: .55rem; margin: var(--space-5) 0 0; color: var(--csc-navy); font-size: var(--text-sm); font-weight: 800; }
.product-hero__provider-dot { flex: 0 0 auto; padding-top: .12em; color: var(--product-cyan); font-size: .65rem; }
.product-hero__provider-text { min-width: 0; display: flex; flex-wrap: wrap; }
.product-hero__company-name { white-space: nowrap; }
.product-hero__stock-code { display: inline-block; white-space: nowrap; }
.product-hero__note { margin: var(--space-2) 0 0; color: var(--ink-soft); font-size: var(--text-xs); }

.product-hero__visual { position: relative; min-height: 0; aspect-ratio: 6 / 5; overflow: hidden; border: 0; background: transparent; box-shadow: none; }
.product-hero__image-stage { position: relative; height: 100%; overflow: hidden; background: transparent; }
.product-hero__media { position: absolute; inset: 0; width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; }

.product-intro { position: relative; z-index: 3; margin-top: -34px; }
.product-intro__panel { display: grid; grid-template-columns: .92fr 1.08fr; gap: var(--space-10); border-top: 6px solid var(--product-cyan); padding: clamp(2rem, 4vw, 3.25rem); background: white; box-shadow: var(--shadow-lg); }
.product-intro__panel h2 { margin: 0; color: var(--csc-navy); font-size: var(--text-2xl); line-height: 1.4; }
.product-intro__panel p { margin: 0; color: var(--ink-soft); line-height: 2; }

.assessment-difference { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--space-6); margin-top: var(--space-8); }
.assessment-difference__card { min-height: 300px; border: 1px solid #d9e3ec; border-top: 5px solid #8095aa; padding: clamp(1.5rem, 3vw, 2.25rem); background: white; }
.assessment-difference__card.is-ai { border-top-color: var(--product-cyan); box-shadow: 0 14px 35px rgba(13,74,117,.08); }
.assessment-difference__label { margin-bottom: var(--space-5); color: #52687d; font: 900 10px/1 var(--font-mono); letter-spacing: .12em; }
.assessment-difference__card.is-ai .assessment-difference__label { color: var(--product-cyan-dark); }
.assessment-difference__card h3 { margin: 0 0 var(--space-5); color: var(--csc-navy); font-size: var(--text-xl); }
.assessment-difference__card ul { margin: 0; padding: 0; list-style: none; color: var(--ink-soft); }
.assessment-difference__card li { position: relative; padding: .65rem 0 .65rem 1.25rem; border-bottom: 1px solid #e6edf3; }
.assessment-difference__card li::before { position: absolute; top: 1.25rem; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--product-cyan); content: ""; }
.assessment-difference__plus { color: var(--product-cyan-dark); font-size: 2rem; font-weight: 300; }

.architecture-map { display: grid; gap: var(--space-4); margin-top: var(--space-10); }
.architecture-map__tier { border: 1px solid rgba(255,255,255,.22); padding: var(--space-5); }
.architecture-map__tier--contextual { background: rgba(255,255,255,.045); }
.architecture-map__tier--primary { border-color: rgba(143,213,229,.6); background: rgba(23,104,166,.12); }
.architecture-map__tier-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-6); margin-bottom: var(--space-4); }
.architecture-map__tier-head small { color: #8fd5e5; font: 900 9px/1 var(--font-mono); letter-spacing: .11em; }
.architecture-map__tier-head h3 { margin: var(--space-2) 0 0; color: white; font-size: var(--text-lg); text-wrap: balance; }
.architecture-map__tier-head p { max-width: 32rem; margin: 0; color: #c8d9e6; font-size: var(--text-xs); text-align: right; }
.architecture-map__context { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
.architecture-map__entry { position: relative; min-height: 168px; display: flex; flex-direction: column; justify-content: center; border: 1px solid rgba(255,255,255,.22); padding: var(--space-6); background: rgba(255,255,255,.055); }
.architecture-map__entry > span { position: absolute; top: 14px; right: 16px; color: #8da8c0; font: 900 2rem/1 var(--font-mono); }
.architecture-map__entry small, .architecture-map__ai small { color: #8fd5e5; font: 900 9px/1 var(--font-mono); letter-spacing: .11em; }
.architecture-map__entry strong { margin-top: var(--space-3); color: white; font-size: var(--text-lg); }
.architecture-map__entry p, .architecture-map__ai p { margin: var(--space-2) 0 0; color: #c8d9e6; font-size: var(--text-xs); }
.architecture-map__entry.is-control { min-height: 112px; border-color: var(--product-cyan); background: rgba(74,166,191,.13); }
.architecture-map__connector { height: 28px; display: grid; place-items: center; color: var(--product-cyan); font-size: 1.5rem; font-weight: 900; }
.architecture-map__ai { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); margin-top: var(--space-3); }
.architecture-map__ai article { min-height: 130px; border: 1px solid rgba(143,213,229,.42); border-top: 4px solid var(--product-cyan); padding: var(--space-5); background: rgba(23,104,166,.2); }
.architecture-map__ai strong { display: block; margin-top: var(--space-3); color: white; }
.architecture-map__foundation { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); border-left: 5px solid var(--product-orange); padding: var(--space-5) var(--space-6); color: white; background: rgba(0,19,48,.5); }
.architecture-map__foundation span { color: #c8d9e6; font-size: var(--text-xs); }
.architecture-legend { display: flex; flex-wrap: wrap; gap: var(--space-6); margin-top: var(--space-6); color: #c8d9e6; font-size: var(--text-xs); }
.architecture-legend span { display: inline-flex; align-items: center; gap: .55rem; }
.architecture-legend i { width: 22px; height: 8px; display: inline-block; background: #8095aa; }
.architecture-legend i.is-ai { background: var(--product-cyan); }
.architecture-legend i.is-cross { height: 0; border-top: 2px dashed var(--product-orange); background: transparent; }

.section-heading-row { display: grid; grid-template-columns: 1.1fr .9fr; align-items: end; gap: var(--space-10); }
.section-heading-row .section-lead { margin: 0; }
.diagnostic-item-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: var(--space-10); background: #d9e3ec; }
.diagnostic-item { min-height: 245px; padding: clamp(1.5rem, 3vw, 2.25rem); background: white; }
.diagnostic-item > span { color: var(--product-cyan-dark); font: 900 10px/1 var(--font-mono); letter-spacing: .1em; }
.diagnostic-item h3 { margin: var(--space-6) 0 var(--space-3); color: var(--csc-navy); font-size: var(--text-lg); }
.diagnostic-item p { margin: 0; color: var(--ink-soft); font-size: var(--text-sm); }
.diagnostic-matrix-shell { margin-top: var(--space-10); border: 1px solid #d9e3ec; background: white; box-shadow: 0 16px 38px rgba(13,74,117,.08); }
.diagnostic-matrix { width: 100%; border-collapse: collapse; table-layout: fixed; color: var(--ink-soft); font-size: var(--text-sm); }
.diagnostic-matrix caption { padding: var(--space-6) var(--space-7); color: white; background: var(--csc-navy); font-size: var(--text-lg); font-weight: 900; text-align: left; }
.diagnostic-matrix caption span { display: block; margin-top: var(--space-2); color: #c8d9e6; font-size: var(--text-xs); font-weight: 500; }
.diagnostic-matrix thead { color: white; background: var(--csc-blue); }
.diagnostic-matrix th, .diagnostic-matrix td { border-right: 1px solid #d9e3ec; border-bottom: 1px solid #d9e3ec; padding: var(--space-5); vertical-align: top; text-align: left; }
.diagnostic-matrix tr > :last-child { border-right: 0; }
.diagnostic-matrix tbody tr:last-child > * { border-bottom: 0; }
.diagnostic-matrix thead th { padding-block: var(--space-4); font-size: var(--text-xs); letter-spacing: .03em; }
.diagnostic-matrix thead th:nth-child(1) { width: 23%; }
.diagnostic-matrix thead th:nth-child(2) { width: 31%; }
.diagnostic-matrix thead th:nth-child(3) { width: 22%; }
.diagnostic-matrix thead th:nth-child(4) { width: 24%; }
.diagnostic-matrix tbody tr:nth-child(even) { background: #f7fafc; }
.diagnostic-matrix tbody th span { display: block; margin-bottom: var(--space-3); color: var(--product-cyan-dark); font: 900 10px/1 var(--font-mono); letter-spacing: .1em; }
.diagnostic-matrix tbody th strong { color: var(--csc-navy); font-size: var(--text-base); line-height: 1.55; }
.diagnostic-matrix td strong { color: var(--csc-navy); }
.review-note { display: grid; grid-template-columns: 130px 1fr; gap: var(--space-5); margin-top: var(--space-6); border-left: 5px solid var(--product-cyan); padding: var(--space-5) var(--space-6); background: #edf7fa; }
.review-note strong { color: var(--product-cyan-dark); }
.review-note p { margin: 0; color: var(--ink-soft); font-size: var(--text-sm); }

.attack-path-layout { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: clamp(2rem, 6vw, 5rem); }
.attack-path { margin: 0; padding: 0; list-style: none; }
.attack-path li { position: relative; min-height: 92px; display: grid; grid-template-columns: 56px 1fr; align-items: center; gap: var(--space-4); border-bottom: 1px solid rgba(255,255,255,.16); }
.attack-path li::after { position: absolute; right: var(--space-3); color: var(--product-cyan); content: "→"; font-size: 1.3rem; }
.attack-path li:last-child::after { color: var(--product-orange); content: "!"; }
.attack-path li > span { color: #8da8c0; font: 900 1.4rem/1 var(--font-mono); }
.attack-path small { display: block; margin-bottom: var(--space-2); color: #8fd5e5; font: 900 9px/1 var(--font-mono); letter-spacing: .12em; }
.attack-path strong { color: white; font-size: var(--text-lg); }
.scenario-note { margin-top: var(--space-6); color: #b9cfdf; font-size: var(--text-xs); }

.why-csc { padding-bottom: 0; }
.why-csc__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); margin-top: var(--space-8); }
.why-csc__grid article { min-height: 230px; border-top: 5px solid var(--product-cyan); padding: var(--space-7); background: #f5f9fc; }
.why-csc__grid article.is-review { border-top-style: dashed; }
.why-csc__grid article > span { color: var(--product-cyan-dark); font: 900 var(--text-lg)/1 var(--font-mono); }
.why-csc__grid h3 { margin: var(--space-6) 0 var(--space-3); color: var(--csc-navy); }
.why-csc__grid p { margin: 0; color: var(--ink-soft); font-size: var(--text-sm); }

.logo-proof { margin-top: var(--space-12); border-block: 1px solid var(--line); padding: clamp(2rem, 4vw, 3rem) 0; background: #f8fbfd; }
.logo-proof__header { margin-bottom: var(--space-6); }
.logo-proof__header > div { display: flex; align-items: baseline; gap: var(--space-5); }
.logo-proof__header .eyebrow { flex: 0 0 auto; margin: 0; color: var(--product-cyan-dark); font-size: 10px; }
.logo-proof__header h2 { margin: 0; color: var(--csc-navy); font-size: clamp(1.15rem, 2vw, 1.5rem); line-height: 1.5; }
.trust-logo-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.trust-logo-grid li { position: relative; min-width: 0; height: 92px; display: grid; place-items: center; overflow: hidden; border: 1px solid #dfe8f1; padding: var(--space-3); background: white; }
.trust-logo-grid img { position: absolute; top: 50%; left: 50%; display: block; width: auto; height: auto; max-width: calc(100% - 1.5rem); max-height: none; object-fit: contain; object-position: center; transform: translate(-50%, -50%); }
.logo-proof__note { margin: var(--space-4) 0 0; color: var(--ink-soft); font-size: 11px; line-height: 1.6; }

.product-process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin-top: var(--space-8); counter-reset: product-step; }
.product-process__step { position: relative; min-height: 190px; border: 1px solid var(--line); border-right: 0; padding: var(--space-6); background: white; counter-increment: product-step; }
.product-process__step:last-child { border-right: 1px solid var(--line); }
.product-process__step::before { display: block; margin-bottom: var(--space-5); color: var(--product-cyan-dark); content: "0" counter(product-step); font: 900 var(--text-lg)/1 var(--font-mono); }
.product-process__step:not(:last-child)::after { position: absolute; z-index: 2; top: 50%; right: -11px; width: 20px; height: 20px; border-top: 2px solid var(--product-orange); border-right: 2px solid var(--product-orange); background: white; content: ""; transform: rotate(45deg); }
.product-process__step h3 { margin: 0 0 var(--space-3); color: var(--csc-navy); }
.product-process__step p { margin: 0; color: var(--ink-soft); font-size: var(--text-sm); }

.support-journey { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; margin-top: var(--space-8); background: #d7e1ea; }
.support-journey article { position: relative; min-height: 190px; padding: var(--space-6); background: #f3f6f9; }
.support-journey article.is-core { border-top: 5px solid var(--product-cyan); background: white; }
.support-journey small { color: var(--product-cyan-dark); font: 900 9px/1 var(--font-mono); letter-spacing: .08em; }
.support-journey h3 { margin: var(--space-8) 0 var(--space-3); color: var(--csc-navy); }
.support-journey p { margin: 0; color: var(--ink-soft); font-size: var(--text-xs); }

.target-layout { display: grid; grid-template-columns: .9fr 1.1fr; align-items: start; gap: var(--space-12); }
.target-list { margin: 0; padding: 0; list-style: none; }
.target-list li { display: grid; grid-template-columns: 200px 1fr; gap: var(--space-5); border-bottom: 1px solid rgba(255,255,255,.17); padding: var(--space-5) 0; }
.target-list strong { color: white; }
.target-list span { color: #c8d9e6; font-size: var(--text-sm); }

.product-cta { color: white; background: linear-gradient(120deg, #0c3567, #1768a6); }
.product-cta__inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: var(--space-8); padding-block: var(--space-16); }
.product-cta h2 { margin: 0; font-size: var(--text-2xl); line-height: 1.4; }
.product-cta p { margin: var(--space-3) 0 0; color: #d5e3f0; }

/* Proposal-synchronized V2 components */
.product-hero__lead .phrase { display: block; }
.product-hero__proof { max-width: 650px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0 0 var(--space-5); border-block: 1px solid var(--line); }
.product-hero__proof > div { min-width: 0; padding: var(--space-4) var(--space-5); }
.product-hero__proof > div:first-child { border-right: 1px solid var(--line); padding-left: 0; }
.product-hero__proof small { display: block; margin-bottom: var(--space-2); color: var(--product-cyan-dark); font: 900 9px/1 var(--font-mono); letter-spacing: .1em; }
.product-hero__proof strong { display: block; color: var(--csc-navy); font-size: var(--text-sm); line-height: 1.45; }
.product-hero__proof span { display: block; margin-top: .2rem; color: var(--ink-soft); font-size: var(--text-xs); }
.product-hero__scan { position: absolute; z-index: 2; inset: 4% 4%; overflow: hidden; pointer-events: none; }
.product-hero__scan i { position: absolute; top: -20%; left: 0; width: 100%; height: 22%; border-bottom: 2px solid rgba(36,148,181,.88); background: linear-gradient(to bottom, transparent, rgba(36,148,181,.12)); opacity: 0; animation: product-hero-scan 5.625s cubic-bezier(.42,0,.24,1) .5s infinite; }
@keyframes product-hero-scan { 0%, 12% { opacity: 0; transform: translateY(0); } 18% { opacity: 1; } 68% { opacity: .9; transform: translateY(455%); } 76%, 100% { opacity: 0; transform: translateY(455%); } }

.section--target-fit { border-top: 1px solid var(--line); background: white; }
.section--target-fit .target-list li { border-bottom-color: var(--line); }
.section--target-fit .target-list strong { color: var(--csc-navy); }
.section--target-fit .target-list span { color: var(--ink-soft); }

.architecture-map--topology { gap: var(--space-5); border: 1px solid rgba(255,255,255,.18); padding: clamp(1rem, 2.5vw, 2rem); background: rgba(3,25,56,.28); }
.architecture-map__scope-head { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--space-3); }
.architecture-map__scope-head > div { border-top: 3px solid var(--product-cyan); padding: var(--space-4) var(--space-5); background: rgba(23,104,166,.2); }
.architecture-map__scope-head > div:last-child { border-top-color: #8da8c0; background: rgba(255,255,255,.06); }
.architecture-map__scope-head small { display: block; margin-bottom: var(--space-2); color: #8fd5e5; font: 900 9px/1 var(--font-mono); letter-spacing: .1em; }
.architecture-map__scope-head strong { color: white; font-size: var(--text-sm); }
.application-topology { display: grid; gap: var(--space-3); }
.application-topology__route { display: grid; grid-template-columns: 168px 1fr; align-items: stretch; gap: var(--space-4); }
.application-topology__route > span { display: flex; align-items: center; border-right: 1px solid rgba(143,213,229,.36); padding-right: var(--space-4); color: #9ed9e8; font: 900 10px/1.4 var(--font-mono); letter-spacing: .05em; }
.application-topology__route > div { display: grid; grid-template-columns: 1fr auto 1fr auto 1.25fr; align-items: center; gap: var(--space-3); }
.application-topology__route > div > i, .application-topology__route--flow > p i { color: var(--product-cyan); font-style: normal; font-weight: 900; }
.application-topology__route > div > i.is-contextual { color: var(--product-orange); }
.application-topology__route--flow { grid-template-columns: 168px 1fr minmax(140px,.4fr); align-items: center; }
.application-topology__route--flow > p { margin: 0; color: #d5e3f0; font-size: var(--text-xs); }
.scope-node { min-width: 0; min-height: 78px; display: flex; flex-direction: column; justify-content: center; border: 1px solid rgba(143,213,229,.46); padding: var(--space-4); background: rgba(23,104,166,.2); }
.scope-node--core { border-top: 4px solid var(--product-cyan); }
.scope-node--contextual { border-color: rgba(255,255,255,.26); background: rgba(255,255,255,.065); }
.scope-node--hub { box-shadow: inset 0 0 0 1px rgba(143,213,229,.25); }
.scope-node small { margin-bottom: var(--space-2); color: #8fd5e5; font: 900 8px/1 var(--font-mono); letter-spacing: .08em; }
.scope-node strong { color: white; font-size: var(--text-sm); line-height: 1.35; }
.scope-node p { margin: var(--space-2) 0 0; color: #c8d9e6; font-size: var(--text-xs); }
.scope-node--compact { min-height: 68px; }
.scope-node--wide { min-height: 72px; }
.application-topology__platform { margin-left: 184px; border-left: 4px solid var(--product-orange); }

.diagnostic-matrix--layers { min-width: 1120px; table-layout: fixed; font-size: 12px; }
.diagnostic-matrix--layers thead th:first-child { width: 260px; }
.diagnostic-matrix--layers thead th:not(:first-child) { width: auto; padding: var(--space-3) var(--space-2); text-align: center; }
.diagnostic-matrix--layers tbody th { position: sticky; left: 0; z-index: 1; background: white; }
.diagnostic-matrix--layers tbody tr:nth-child(even) th { background: #f7fafc; }
.diagnostic-matrix--layers tbody th small { display: block; margin-top: var(--space-2); color: var(--ink-soft); font-size: 10px; font-weight: 500; }
.diagnostic-matrix--layers td { padding: var(--space-4) var(--space-2); color: #9aa9b7; font: 900 var(--text-base)/1 var(--font-mono); text-align: center; vertical-align: middle; }
.diagnostic-matrix--layers td.is-primary { color: var(--product-cyan-dark); background: rgba(36,148,181,.08); }
.diagnostic-matrix--layers td.is-interface { color: #9b4b00; background: rgba(255,143,31,.1); }
.diagnostic-matrix__legend { display: flex; flex-wrap: wrap; gap: var(--space-5); margin-top: var(--space-4); color: var(--ink-soft); font-size: var(--text-xs); }
.diagnostic-matrix__legend b { color: var(--product-cyan-dark); }

.support-journey--boundary { display: grid; grid-template-columns: 1fr auto .72fr; align-items: stretch; gap: var(--space-3); background: transparent; }
.support-journey__group { border: 1px solid var(--line); padding: var(--space-4); background: white; }
.support-journey__group > span { display: inline-block; margin-bottom: var(--space-4); border-radius: var(--radius-pill); padding: .35rem .7rem; color: white; background: var(--product-cyan-dark); font: 900 9px/1 var(--font-mono); letter-spacing: .08em; }
.support-journey__group.is-separate > span { background: #667788; }
.support-journey__group > div { display: flex; align-items: stretch; gap: var(--space-2); }
.support-journey__group article { flex: 1 1 0; min-height: 116px; border: 0; border-top: 3px solid var(--product-cyan); padding: var(--space-4); background: #f7fbfc; }
.support-journey__group.is-separate article { border-top-color: #8da8c0; }
.support-journey__group i { display: flex; align-items: center; color: var(--product-cyan-dark); font-style: normal; }
.support-journey__group h3 { margin: var(--space-3) 0 0; font-size: var(--text-sm); line-height: 1.45; }
.support-journey__divider { display: grid; place-content: center; border-inline: 1px dashed var(--product-orange); padding: var(--space-3); text-align: center; }
.support-journey__divider strong { color: #9b4b00; font-size: var(--text-xs); }
.support-journey__divider span { margin-top: var(--space-2); color: var(--ink-soft); font-size: 10px; }

/* WafCharm tone v2: official product-site grammar, adapted for the assessment service */
[data-design-tone="waf-product"][data-version="v3"] {
  --waf-cyan: #2494b5;
  --waf-cyan-dark: #1b7791;
  --waf-action: #1b7791;
  --waf-blue: #1e5ea8;
  --waf-navy: #151c69;
  --waf-orange: #ff8f1f;
  --waf-sky: #eff9fc;
  --waf-sky-strong: #dff4fa;
  --waf-text: #5a6469;
  --waf-line: #cfe8ef;
  --product-cyan: var(--waf-cyan);
  --product-cyan-dark: var(--waf-cyan-dark);
  --product-orange: var(--waf-orange);
  --ink: #2c3336;
  --ink-soft: var(--waf-text);
  --line: var(--waf-line);
  color: var(--waf-text);
}

[data-design-tone="waf-product"][data-version="v3"] .product-topbar { border-bottom-color: var(--waf-line); background: white; }
[data-design-tone="waf-product"][data-version="v3"] .product-topbar__links strong { color: var(--waf-cyan); }
[data-design-tone="waf-product"][data-version="v3"] .site-header { border-bottom: 1px solid var(--waf-line); box-shadow: 0 4px 18px rgba(21, 28, 105, .04); }
[data-design-tone="waf-product"][data-version="v3"] .brand__mark { background: var(--waf-navy); }
[data-design-tone="waf-product"][data-version="v3"] .brand__text { color: #353d41; }
[data-design-tone="waf-product"][data-version="v3"] .site-nav { color: #40464a; }
[data-design-tone="waf-product"][data-version="v3"] .site-nav > a:not(.btn):hover { color: var(--waf-cyan); }

[data-design-tone="waf-product"][data-version="v3"] .btn { min-height: 54px; border-radius: var(--radius-pill); padding-inline: 1.8rem; }
[data-design-tone="waf-product"][data-version="v3"] .btn--primary { color: white; background: var(--waf-action); box-shadow: 0 10px 24px rgba(27, 119, 145, .22); }
[data-design-tone="waf-product"][data-version="v3"] .btn--primary:hover { background: #145f76; }
[data-design-tone="waf-product"][data-version="v3"] .btn--secondary { color: var(--waf-navy); border-color: var(--waf-navy); background: rgba(255, 255, 255, .92); }

[data-design-tone="waf-product"][data-version="v3"] .product-hero {
  isolation: isolate;
  background:
    radial-gradient(ellipse at 88% 72%, rgba(36, 148, 181, .18) 0 16%, rgba(36, 148, 181, .07) 34%, transparent 58%),
    radial-gradient(ellipse at 18% 112%, rgba(85, 199, 230, .18) 0 24%, transparent 58%),
    linear-gradient(180deg, #fff 0%, #fbfeff 62%, var(--waf-sky) 100%);
}
[data-design-tone="waf-product"][data-version="v3"] .product-hero::before { display: none; }
[data-design-tone="waf-product"][data-version="v3"] .product-hero::after { position: absolute; z-index: -1; right: -12%; bottom: -44%; width: 78%; aspect-ratio: 1.9; border: 1px solid rgba(36, 148, 181, .13); border-radius: 50%; background: rgba(255, 255, 255, .42); content: ""; transform: rotate(-5deg); }
[data-design-tone="waf-product"][data-version="v3"] .product-kicker { flex-wrap: wrap; border-left: 0; padding: 0; color: var(--waf-cyan); font-size: clamp(.95rem, 1.4vw, 1.1rem); letter-spacing: .035em; }
[data-design-tone="waf-product"][data-version="v3"] .product-kicker .phrase + .phrase { margin-left: .28em; }
[data-design-tone="waf-product"][data-version="v3"] .product-kicker::before { width: 12px; height: 12px; margin-right: .65rem; border: 3px solid var(--waf-cyan); border-radius: 50%; content: ""; }
[data-design-tone="waf-product"][data-version="v3"] .product-hero h1 {
  color: var(--waf-navy);
  background: linear-gradient(96deg, var(--waf-cyan) 0%, var(--waf-blue) 56%, var(--waf-navy) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 900;
  letter-spacing: .005em;
}
[data-design-tone="waf-product"][data-version="v3"] .product-hero h1 em { color: inherit; }
[data-design-tone="waf-product"][data-version="v3"] .product-hero__lead { color: var(--waf-text); }
[data-design-tone="waf-product"][data-version="v3"] .product-hero__provider { color: var(--waf-navy); }
[data-design-tone="waf-product"][data-version="v3"] .product-hero__provider-dot { color: var(--waf-cyan); }
[data-design-tone="waf-product"][data-version="v3"] .product-hero__visual::before { position: absolute; inset: 9% 2% 4%; border-radius: 50%; background: radial-gradient(circle, rgba(106, 216, 238, .28), rgba(36, 148, 181, .08) 44%, transparent 68%); content: ""; filter: blur(12px); }
[data-design-tone="waf-product"][data-version="v3"] .product-hero__image-stage { z-index: 1; }

[data-design-tone="waf-product"][data-version="v3"] .eyebrow { color: var(--waf-cyan-dark); letter-spacing: .08em; }
[data-design-tone="waf-product"][data-version="v3"] .eyebrow::before { background: var(--waf-orange); }
[data-design-tone="waf-product"][data-version="v3"] .section-title { color: var(--waf-cyan); font-weight: 900; letter-spacing: .015em; }
[data-design-tone="waf-product"][data-version="v3"] .section--muted { background: var(--waf-sky); }
[data-design-tone="waf-product"][data-version="v3"] .section--blue { background: linear-gradient(180deg, #fff 0%, var(--waf-sky) 100%); }

[data-design-tone="waf-product"][data-version="v3"] .product-intro__panel { border-top: 0; border-radius: 24px; box-shadow: 0 20px 55px rgba(36, 148, 181, .13); }
[data-design-tone="waf-product"][data-version="v3"] .product-intro__panel::before { align-self: stretch; width: 8px; border-radius: var(--radius-pill); background: linear-gradient(var(--waf-cyan), var(--waf-blue)); content: ""; }
[data-design-tone="waf-product"][data-version="v3"] .product-intro__panel { grid-template-columns: 8px .88fr 1.12fr; }
[data-design-tone="waf-product"][data-version="v3"] .product-intro__panel h2 { color: var(--waf-cyan); }

[data-design-tone="waf-product"][data-version="v3"] .assessment-difference__card { border: 1px solid var(--waf-line); border-top: 0; border-radius: 22px; box-shadow: 0 14px 36px rgba(36, 148, 181, .08); }
[data-design-tone="waf-product"][data-version="v3"] .assessment-difference__card.is-ai { border: 2px solid rgba(36, 148, 181, .45); background: linear-gradient(145deg, #fff, var(--waf-sky)); }
[data-design-tone="waf-product"][data-version="v3"] .assessment-difference__card h3 { color: var(--waf-navy); }
[data-design-tone="waf-product"][data-version="v3"] .assessment-difference__plus { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--waf-orange); font-size: 1.55rem; font-weight: 800; }

[data-design-tone="waf-product"][data-version="v3"] .section--navy { color: var(--waf-text); background: linear-gradient(180deg, var(--waf-sky) 0%, #fff 100%); }
[data-design-tone="waf-product"][data-version="v3"] .section--navy .eyebrow { color: var(--waf-cyan-dark); }
[data-design-tone="waf-product"][data-version="v3"] .section--navy .section-lead { color: var(--waf-text); }
[data-design-tone="waf-product"][data-version="v3"] #scope .architecture-map { border-radius: 28px; padding: clamp(1.25rem, 3vw, 2.25rem); background: linear-gradient(145deg, var(--waf-navy), #173c89); box-shadow: 0 22px 54px rgba(21, 28, 105, .18); }
[data-design-tone="waf-product"][data-version="v3"] #scope .architecture-legend { color: var(--waf-text); }
[data-design-tone="waf-product"][data-version="v3"] #scope .service-boundary { border-left-color: var(--waf-orange); background: white; }

[data-design-tone="waf-product"][data-version="v3"] .diagnostic-matrix-shell { overflow-x: auto; overflow-y: hidden; border-color: var(--waf-line); border-radius: 22px; box-shadow: 0 16px 40px rgba(36, 148, 181, .1); }
[data-design-tone="waf-product"][data-version="v3"] .diagnostic-matrix caption { background: var(--waf-navy); }
[data-design-tone="waf-product"][data-version="v3"] .diagnostic-matrix thead { background: var(--waf-action); }
[data-design-tone="waf-product"][data-version="v3"] .diagnostic-matrix tbody tr:nth-child(even) { background: var(--waf-sky); }

[data-design-tone="waf-product"][data-version="v3"] #attack-path .attack-path { display: grid; gap: var(--space-3); }
[data-design-tone="waf-product"][data-version="v3"] #attack-path .attack-path li { min-height: 82px; border: 1px solid var(--waf-line); border-radius: 18px; padding: 0 var(--space-6); background: white; box-shadow: 0 10px 28px rgba(36, 148, 181, .07); }
[data-design-tone="waf-product"][data-version="v3"] #attack-path .attack-path li > span { color: var(--waf-cyan); }
[data-design-tone="waf-product"][data-version="v3"] #attack-path .attack-path small { color: var(--waf-cyan-dark); }
[data-design-tone="waf-product"][data-version="v3"] #attack-path .attack-path strong { color: var(--waf-navy); }
[data-design-tone="waf-product"][data-version="v3"] #attack-path .scenario-note { color: var(--waf-text); }

[data-design-tone="waf-product"][data-version="v3"] .why-csc__grid article { border-top: 0; border-radius: 22px; background: var(--waf-sky); box-shadow: inset 0 0 0 1px var(--waf-line); }
[data-design-tone="waf-product"][data-version="v3"] .why-csc__grid article > span { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 50%; color: white; background: linear-gradient(145deg, var(--waf-cyan), var(--waf-blue)); }
[data-design-tone="waf-product"][data-version="v3"] .why-csc__grid h3 { color: var(--waf-navy); }
[data-design-tone="waf-product"][data-version="v3"] .logo-proof { border-block-color: var(--waf-line); background: var(--waf-sky); }
[data-design-tone="waf-product"][data-version="v3"] .logo-proof__header h2 { color: var(--waf-action); }
[data-design-tone="waf-product"][data-version="v3"] .trust-logo-grid li { border-color: var(--waf-line); border-radius: 16px; box-shadow: 0 8px 22px rgba(36, 148, 181, .06); }

[data-design-tone="waf-product"][data-version="v3"] .product-process { gap: var(--space-3); }
[data-design-tone="waf-product"][data-version="v3"] .product-process__step,
[data-design-tone="waf-product"][data-version="v3"] .product-process__step:last-child { border: 1px solid var(--waf-line); border-radius: 18px; }
[data-design-tone="waf-product"][data-version="v3"] .product-process__step::before { color: var(--waf-cyan); }
[data-design-tone="waf-product"][data-version="v3"] .product-process__step:not(:last-child)::after { right: -13px; border-color: var(--waf-orange); border-width: 3px 3px 0 0; background: transparent; }
[data-design-tone="waf-product"][data-version="v3"] .product-process__step h3 { color: var(--waf-navy); }

[data-design-tone="waf-product"][data-version="v3"] .support-journey { gap: var(--space-3); background: transparent; }
[data-design-tone="waf-product"][data-version="v3"] .support-journey article { border: 1px solid var(--waf-line); border-radius: 18px; background: #f7fbfc; }
[data-design-tone="waf-product"][data-version="v3"] .support-journey article.is-core { border: 2px solid rgba(36, 148, 181, .42); background: white; }
[data-design-tone="waf-product"][data-version="v3"] .support-journey h3 { color: var(--waf-navy); }

[data-design-tone="waf-product"][data-version="v3"] #targets .target-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }
[data-design-tone="waf-product"][data-version="v3"] #targets .target-list li { grid-template-columns: 1fr; gap: var(--space-2); border: 1px solid var(--waf-line); border-radius: 18px; padding: var(--space-5); background: white; }
[data-design-tone="waf-product"][data-version="v3"] #targets .target-list strong { color: var(--waf-navy); }
[data-design-tone="waf-product"][data-version="v3"] #targets .target-list span { color: var(--waf-text); }

[data-design-tone="waf-product"][data-version="v3"] .report-preview { overflow: hidden; border-radius: 22px; box-shadow: 0 18px 44px rgba(36, 148, 181, .12); }
[data-design-tone="waf-product"][data-version="v3"] .product-cta { color: var(--waf-navy); border-top: 1px solid var(--waf-line); background: radial-gradient(circle at 82% 18%, rgba(36, 148, 181, .2), transparent 28%), var(--waf-sky); }
[data-design-tone="waf-product"][data-version="v3"] .product-cta h2 { color: var(--waf-cyan); }
[data-design-tone="waf-product"][data-version="v3"] .product-cta p { color: var(--waf-text); }

@media (forced-colors: active) {
  [data-design-tone="waf-product"][data-version="v3"] .product-hero h1 { background: none; -webkit-text-fill-color: CanvasText; }
}

@media (max-width: 980px) {
  .site-nav { position: absolute; inset: 100% 0 auto; display: none; padding: var(--space-6); background: white; box-shadow: var(--shadow-lg); flex-direction: column; align-items: stretch; }
  .site-nav.is-open { display: flex; }
  .mobile-nav-button { display: inline-grid; }
  .hero { min-height: auto; }
  .hero__grid { grid-template-columns: 1fr; }
  .security-console { max-width: 720px; }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow__step:not(:last-child)::after { display: none; }
  .platform-map { grid-template-columns: repeat(2, 1fr); }
  .platform-map__item:not(:last-child)::after { display: none; }
  .preview-grid { grid-template-columns: 1fr; }
  .preview-card { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .token-grid { grid-template-columns: repeat(2, 1fr); }
  .product-hero__grid { grid-template-columns: 1fr; padding-bottom: var(--space-12); }
  .product-hero__visual { width: min(100%, 760px); min-height: 0; aspect-ratio: 16 / 11; justify-self: center; }
  [data-design-tone="waf-product"][data-version="v3"] .product-intro__panel { grid-template-columns: 8px 1fr; }
  [data-design-tone="waf-product"][data-version="v3"] .product-intro__panel > p { grid-column: 2; }
  .claim-review { grid-template-columns: 1fr; gap: var(--space-3); }
  .architecture-map__context { grid-template-columns: repeat(2, 1fr); }
  .architecture-map__ai { grid-template-columns: repeat(2, 1fr); }
  .diagnostic-item-grid { grid-template-columns: repeat(2, 1fr); }
  .attack-path-layout, .target-layout { grid-template-columns: 1fr; }
  .why-csc__grid { grid-template-columns: 1fr; }
  .why-csc__grid article { min-height: 0; }
  .trust-logo-grid { grid-template-columns: repeat(3, 1fr); }
  .product-process { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .product-process__step, .product-process__step:last-child { border: 1px solid var(--line); }
  .product-process__step::after { display: none; }
  .support-journey { grid-template-columns: repeat(3, 1fr); }
  .report-preview__body { grid-template-columns: 1fr; }
  .finding { grid-template-columns: 76px minmax(0, 1fr); }
  .finding > :last-child { grid-column: 2; }
  .brief-cover__grid { grid-template-columns: 1fr; }
  .brief-cover::after { display: none; }
  .executive-callout { max-width: 720px; }
  .insight-grid { grid-template-columns: 1fr; }
  .insight-card { min-height: 0; border-right: 0; border-bottom: 1px solid var(--brief-line); }
  .insight-card:last-child { border-bottom: 0; }
  .option-grid, .recommendation-panel__grid, .decision-request { grid-template-columns: 1fr; }
  .decision-roadmap { grid-template-columns: repeat(2, 1fr); gap: 1px; }
  .assumption-grid { grid-template-columns: 1fr; }
  .brief-final__inner { grid-template-columns: 1fr; align-items: start; }
}

@media (max-width: 720px) {
  .container { width: min(calc(100% - 32px), var(--container)); }
  .section { padding-block: var(--space-16); }
  .site-header__inner { min-height: 64px; }
  .hero__grid { padding-block: var(--space-12); gap: var(--space-8); }
  .hero h1 { font-size: clamp(1.9rem, 9.5vw, 3rem); }
  .btn-row .btn { width: 100%; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .metric-strip { grid-template-columns: 1fr; }
  .detail-list { columns: 1; }
  .flow, .platform-map { grid-template-columns: 1fr; }
  .comparison { min-width: 720px; }
  .table-scroll { overflow-x: auto; }
  .cta-band__inner { align-items: stretch; flex-direction: column; }
  .site-footer__inner { flex-direction: column; }
  .variant-banner { padding-block: var(--space-2); font-size: .68rem; line-height: 1.45; }
  .variant-banner .container { align-items: center; flex-direction: row; gap: var(--space-3); }
  .variant-banner .container > span { min-width: 0; }
  .variant-banner a { flex: 0 0 auto; white-space: nowrap; }
  .preview-card { padding: var(--space-6); }
  .token-grid { grid-template-columns: 1fr; }
  .product-topbar { display: none; }
  .product-hero__grid { min-height: 0; padding-block: var(--space-12); gap: var(--space-10); }
  .product-hero h1 { font-size: clamp(1.9rem, 8.7vw, 2.75rem); }
  .product-hero h1 .heading-line { display: inline; }
  .product-hero h1 em { display: block; margin-top: .3em; }
  .product-hero h1 em .phrase + .phrase { margin-left: 0; }
  [data-design-tone="waf-product"][data-version="v3"] .product-kicker .phrase + .phrase { margin-left: 0; }
  [data-design-tone="waf-product"][data-version="v3"] .product-hero h1 { font-size: clamp(1.75rem, 7.2vw, 2.2rem); letter-spacing: -.02em; }
  [data-design-tone="waf-product"][data-version="v3"] .product-hero h1 .heading-line { display: block; }
  .product-hero__visual { aspect-ratio: 4 / 3; }
  .product-hero__media { object-position: center; }
  .product-intro { margin-top: 0; }
  .product-intro__panel { grid-template-columns: 1fr; gap: var(--space-5); padding: var(--space-6); }
  [data-design-tone="waf-product"][data-version="v3"] .product-intro__panel { grid-template-columns: 6px 1fr; }
  [data-design-tone="waf-product"][data-version="v3"] .product-intro__panel > p { grid-column: 2; }
  .assessment-difference { grid-template-columns: 1fr; }
  .assessment-difference__card { min-height: 0; }
  .assessment-difference__plus { text-align: center; }
  .architecture-map { gap: var(--space-3); }
  .architecture-map__tier { padding: var(--space-4); }
  .architecture-map__tier-head { flex-direction: column; gap: var(--space-2); }
  .architecture-map__tier-head p { text-align: left; }
  .architecture-map__context { grid-template-columns: 1fr; }
  .architecture-map__entry { min-height: 124px; }
  .architecture-map__entry.is-control { min-height: 110px; }
  .architecture-map__ai { grid-template-columns: 1fr 1fr; }
  .architecture-map__ai article { min-height: 118px; }
  .architecture-map__foundation { align-items: flex-start; flex-direction: column; }
  .architecture-legend { align-items: flex-start; flex-direction: column; gap: var(--space-3); }
  .section-heading-row { grid-template-columns: 1fr; gap: var(--space-4); }
  .diagnostic-item-grid { grid-template-columns: 1fr; }
  .diagnostic-item { min-height: 0; }
  .diagnostic-matrix-shell { border: 0; background: transparent; box-shadow: none; }
  .diagnostic-matrix { display: block; font-size: var(--text-xs); }
  .diagnostic-matrix caption { display: block; padding: var(--space-5); }
  .diagnostic-matrix thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; clip-path: inset(50%); }
  .diagnostic-matrix tbody, .diagnostic-matrix tr, .diagnostic-matrix th, .diagnostic-matrix td { display: block; width: 100%; }
  .diagnostic-matrix tbody { display: grid; gap: var(--space-4); margin-top: var(--space-4); }
  .diagnostic-matrix tbody tr { border: 1px solid #d9e3ec; background: white; box-shadow: 0 10px 25px rgba(13,74,117,.06); }
  .diagnostic-matrix tbody tr:nth-child(even) { background: white; }
  .diagnostic-matrix tbody th { border-right: 0; padding: var(--space-5); background: #f1f7fa; }
  .diagnostic-matrix tbody td { display: grid; grid-template-columns: minmax(7.25rem, .7fr) minmax(0, 1fr); gap: var(--space-3); border-right: 0; padding: var(--space-4) var(--space-5); }
  .diagnostic-matrix tbody td::before { color: var(--product-cyan-dark); content: attr(data-label); font-size: 10px; font-weight: 900; letter-spacing: .04em; }
  .review-note { grid-template-columns: 1fr; gap: var(--space-2); }
  .attack-path li { grid-template-columns: 42px 1fr; }
  .logo-proof__header > div { align-items: flex-start; flex-direction: column; gap: var(--space-3); }
  .trust-logo-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-logo-grid li { height: 80px; }
  .product-process { grid-template-columns: 1fr; }
  .support-journey { grid-template-columns: 1fr; }
  .support-journey article { min-height: 0; }
  .target-list li { grid-template-columns: 1fr; gap: var(--space-2); }
  [data-design-tone="waf-product"][data-version="v3"] #targets .target-list { grid-template-columns: 1fr; }
  .product-cta__inner { grid-template-columns: 1fr; }
  .preview-form { grid-template-columns: 1fr; }
  .preview-form__note, .preview-form__result { grid-column: auto; }
  .review-status__inner { min-height: 40px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 2px; padding-block: 6px; }
  .brief-cover__meta { grid-template-columns: 1fr auto; gap: var(--space-3); }
  .brief-cover__meta span:nth-child(2) { display: none; }
  .brief-cover__grid { min-height: auto; padding-block: var(--space-16); }
  .brief-cover h1 { font-size: clamp(2.15rem, 10.3vw, 3.2rem); }
  .brief-label { align-items: flex-start; flex-direction: column; }
  .brief-label span + span { border-top: 0; }
  .executive-callout { padding: var(--space-6); box-shadow: 10px 10px 0 rgba(10,35,68,.09); }
  .executive-callout__steps li { grid-template-columns: 30px 58px 1fr; }
  .brief-section__head { grid-template-columns: 48px 1fr; gap: var(--space-4); }
  .brief-section__number { font-size: 1.3rem; }
  .brief-section__head h2, .recommendation-panel h2, .decision-request h2, .brief-final h2 { font-size: clamp(1.65rem, 8vw, 2.3rem); }
  .insight-card { padding: var(--space-6); }
  .decision-context { grid-template-columns: 1fr; }
  .decision-context article + article { border-top: 1px solid rgba(255,255,255,.22); border-left: 0; }
  .decision-table-wrap::before { display: block; padding: 10px 14px; color: #61768c; background: #e7eef5; content: "表は横にスクロールできます →"; font-size: 11px; font-weight: 800; }
  .option-card { padding: var(--space-6); }
  .option-card__facts div { grid-template-columns: 78px 1fr; }
  .recommendation-reasons article { grid-template-columns: 34px 110px 1fr; }
  .decision-roadmap { grid-template-columns: 1fr; }
  .decision-roadmap li { min-height: 0; border-right: 0; padding: var(--space-6); }
  .decision-roadmap h3 { margin-top: var(--space-6); }
  .decision-request__list li { grid-template-columns: 44px 1fr; }
  .brief-final .btn-row { width: 100%; }
}

@media (max-width: 980px) {
  .application-topology__route { grid-template-columns: 132px 1fr; }
  .application-topology__route--flow { grid-template-columns: 132px 1fr minmax(120px,.36fr); }
  .application-topology__platform { margin-left: 148px; }
  .support-journey--boundary { grid-template-columns: 1fr; }
  .support-journey__divider { min-height: 70px; border: 1px dashed var(--product-orange); }
}

@media (max-width: 720px) {
  .product-hero__proof { grid-template-columns: 1fr; }
  .product-hero__proof > div { padding-inline: 0; }
  .product-hero__proof > div:first-child { border-right: 0; border-bottom: 1px solid var(--line); }
  .architecture-map__scope-head { grid-template-columns: 1fr; }
  .application-topology__route, .application-topology__route--flow { grid-template-columns: 1fr; }
  .application-topology__route > span { border-right: 0; border-bottom: 1px solid rgba(143,213,229,.26); padding: 0 0 var(--space-2); }
  .application-topology__route > div { grid-template-columns: 1fr; }
  .application-topology__route > div > i { text-align: center; transform: rotate(90deg); }
  .application-topology__route--flow > p { line-height: 1.8; }
  .application-topology__platform { margin-left: 0; }
  .diagnostic-matrix-shell { overflow-x: auto; border: 1px solid #d9e3ec; background: white; box-shadow: 0 16px 38px rgba(13,74,117,.08); }
  .diagnostic-matrix--layers { display: table; font-size: 11px; }
  .diagnostic-matrix--layers caption { display: table-caption; }
  .diagnostic-matrix--layers thead { position: static; width: auto; height: auto; display: table-header-group; overflow: visible; clip: auto; white-space: normal; clip-path: none; }
  .diagnostic-matrix--layers tbody { display: table-row-group; }
  .diagnostic-matrix--layers tbody tr { display: table-row; width: auto; border: 0; box-shadow: none; }
  .diagnostic-matrix--layers th, .diagnostic-matrix--layers td { display: table-cell; width: auto; padding: var(--space-3) var(--space-2); }
  .diagnostic-matrix--layers thead th:first-child { min-width: 180px; }
  .diagnostic-matrix--layers thead th:not(:first-child) { min-width: 88px; white-space: nowrap; }
  .diagnostic-matrix--layers tbody th { padding: var(--space-4); }
  .diagnostic-matrix--layers tbody td { display: table-cell; grid-template-columns: none; text-align: center; }
  .diagnostic-matrix--layers tbody td::before { display: none; content: none; }
  .support-journey__group > div { flex-direction: column; }
  .support-journey__group i { justify-content: center; transform: rotate(90deg); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  .product-hero__scan { display: none; }
}

/* Review chooser: 案A・案Bへの最小導線 */
.review-chooser {
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 8%, rgba(33, 165, 194, .1), transparent 30%),
    linear-gradient(180deg, #f7fbfe 0%, #eef4f8 100%);
}
.chooser-main { min-height: calc(100vh - 36px); display: grid; place-items: center; padding-block: clamp(2.5rem, 6vw, 5rem); }
.chooser-panel { width: 100%; }
.chooser-panel__inner { max-width: 1120px; }
.chooser-header { display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); margin-bottom: clamp(3rem, 7vw, 5.5rem); }
.chooser-brand { display: inline-flex; align-items: center; gap: var(--space-3); }
.chooser-header__label { margin: 0; color: #6b8094; font: 800 11px/1 var(--font-mono); letter-spacing: .14em; }
.chooser-intro { max-width: 900px; margin-bottom: clamp(2rem, 4vw, 3rem); }
.chooser-intro .eyebrow { color: var(--product-cyan-dark); }
.chooser-intro h1 { margin: 0; color: var(--csc-navy); font-size: clamp(2.15rem, 4.5vw, 3.5rem); line-height: 1.2; letter-spacing: .02em; }
.chooser-intro > p:last-child { margin: var(--space-5) 0 0; color: #5d7185; font-size: var(--text-md); }
.proposal-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-6); }
.proposal-choice { position: relative; overflow: hidden; min-height: 390px; display: flex; flex-direction: column; border: 1px solid #d6e1ea; border-top: 6px solid var(--csc-blue); padding: clamp(1.75rem, 4vw, 2.5rem); background: white; box-shadow: 0 18px 50px rgba(10, 49, 85, .08); transition: transform 180ms ease, box-shadow 180ms ease; }
.proposal-choice--brand { border-top-color: var(--product-cyan); }
.proposal-choice:hover { box-shadow: 0 24px 60px rgba(10, 49, 85, .13); transform: translateY(-3px); }
.proposal-choice__number { position: absolute; top: 18px; right: 24px; color: #e8eff5; font: 900 clamp(4rem, 8vw, 6rem)/1 var(--font-mono); }
.proposal-choice__body { position: relative; z-index: 1; }
.proposal-choice__label { margin: 0 0 var(--space-8); color: var(--csc-blue); font: 900 11px/1 var(--font-mono); letter-spacing: .12em; }
.proposal-choice--brand .proposal-choice__label { color: var(--product-cyan-dark); }
.proposal-choice h2 { max-width: 390px; margin: 0 0 var(--space-4); color: var(--csc-navy); font-size: clamp(1.45rem, 2.8vw, 2rem); line-height: 1.35; }
.proposal-choice__body > p:not(.proposal-choice__label) { max-width: 480px; margin: 0; color: #566c81; }
.proposal-choice ul { margin: var(--space-6) 0 0; padding: 0; list-style: none; color: #344d65; font-size: var(--text-sm); }
.proposal-choice li { position: relative; padding-left: 1.2rem; }
.proposal-choice li + li { margin-top: var(--space-2); }
.proposal-choice li::before { position: absolute; top: .65em; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--product-cyan); content: ""; transform: translateY(-50%); }
.proposal-choice__link { position: relative; z-index: 2; min-height: 52px; display: flex; align-items: center; justify-content: space-between; margin-top: auto; border-top: 1px solid #dce5ed; padding-top: var(--space-5); color: var(--csc-navy); font-weight: 900; text-decoration: none; }
.proposal-choice__link span { color: var(--product-cyan-dark); font-size: 1.35rem; transition: transform 180ms ease; }
.proposal-choice__link:hover span, .proposal-choice__link:focus-visible span { transform: translateX(4px); }
.proposal-choice__link::after { position: absolute; inset: -330px calc(var(--space-6) * -1) calc(var(--space-6) * -1); content: ""; }
.chooser-note { max-width: 840px; margin: var(--space-6) 0 0; color: #74879a; font-size: var(--text-xs); }

@media (max-width: 720px) {
  .chooser-main { min-height: auto; padding-block: var(--space-10); }
  .chooser-header { align-items: flex-start; margin-bottom: var(--space-12); }
  .chooser-header__label { display: none; }
  .chooser-intro h1 { font-size: clamp(2rem, 10vw, 2.8rem); }
  .proposal-options { grid-template-columns: 1fr; }
  .proposal-choice { min-height: 350px; padding: var(--space-6); }
  .proposal-choice__number { right: 18px; }
}