:root {
  --seo-canvas: var(--km-canvas, #030712);
  --seo-chrome: var(--km-chrome, #050b16);
  --seo-surface: var(--km-surface, #0b1426);
  --seo-raised: var(--km-surface-raised, #101d34);
  --seo-border: var(--km-border, #2d3f5b);
  --seo-border-soft: var(--km-border-soft, rgba(148, 163, 184, 0.18));
  --seo-text: var(--km-text, #f8fafc);
  --seo-muted: var(--km-muted, #aeb8cc);
  --seo-gold: #fbbf24;
  --seo-cyan: #67e8f9;
  --seo-green: #86efac;
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body.seo-intent-page {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 50% -10%, rgba(30, 64, 175, 0.16), transparent 34rem),
    var(--seo-canvas);
  color: var(--seo-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.7;
}

.seo-intent-main {
  width: min(1040px, calc(100% - 40px));
  margin: 0 auto;
  padding: 42px 0 64px;
}

.seo-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 24px;
  color: var(--seo-muted);
  font-size: 14px;
}

.seo-breadcrumbs a,
.seo-text-link,
.seo-related a,
.seo-footer a {
  color: var(--seo-cyan);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.seo-breadcrumbs a,
.seo-footer a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
}

body.seo-intent-page .menu-layer .topbar .seo-site-brand {
  display: inline-flex !important;
  align-items: center !important;
  margin: 0 !important;
  color: #fbbf24 !important;
  font-size: 24px !important;
  font-weight: 900 !important;
  line-height: 1 !important;
  letter-spacing: 0.02em !important;
  white-space: nowrap !important;
}

body.seo-intent-page .menu-layer .topbar .seo-site-brand > a {
  box-sizing: border-box !important;
  display: inline-flex !important;
  min-height: 58px !important;
  align-items: center !important;
  gap: 10px !important;
  color: inherit !important;
  text-decoration: none !important;
}

body.seo-intent-page .menu-layer .topbar .seo-site-brand > a::before {
  content: "" !important;
  display: block !important;
  width: 20px !important;
  height: 23px !important;
  flex: 0 0 20px !important;
  background: url('/kifmaster-logo.svg?v=20260730-solid-white1') center / contain no-repeat !important;
  -webkit-mask: none !important;
  mask: none !important;
}

.seo-breadcrumbs a:focus-visible,
.seo-text-link:focus-visible,
.seo-related a:focus-visible,
.seo-footer a:focus-visible,
.seo-cta:focus-visible,
.seo-faq summary:focus-visible {
  outline: 3px solid var(--seo-gold);
  outline-offset: 3px;
}

body.seo-intent-page .menu-layer .topbar .seo-site-brand > a:focus-visible {
  outline: 3px solid var(--seo-gold);
  outline-offset: -3px;
}

.seo-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: 32px;
  align-items: start;
  padding: 40px;
  border: 1px solid var(--seo-border);
  border-radius: 20px;
  background: linear-gradient(145deg, var(--seo-raised), var(--seo-surface));
}

.seo-kicker {
  margin: 0 0 10px;
  color: var(--seo-cyan);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.seo-hero h1 {
  max-width: 15em;
  margin: 0;
  font-size: clamp(30px, 4.4vw, 48px);
  line-height: 1.25;
  letter-spacing: 0;
}

.seo-lead {
  max-width: 42em;
  margin: 20px 0 0;
  color: var(--seo-text);
  font-size: 18px;
  line-height: 1.75;
}

.seo-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.seo-cta {
  display: inline-flex;
  min-height: 48px;
  box-sizing: border-box;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: 1px solid var(--seo-border);
  border-radius: 10px;
  color: var(--seo-text);
  font-weight: 800;
  text-decoration: none;
}

.seo-cta-primary {
  border-color: rgba(251, 191, 36, 0.72);
  background: rgba(251, 191, 36, 0.12);
  color: var(--seo-gold);
}

.seo-cta-secondary {
  background: rgba(103, 232, 249, 0.06);
  color: var(--seo-cyan);
}

.seo-quick-facts {
  margin: 0;
  padding: 22px;
  border: 1px solid var(--seo-border);
  border-radius: 14px;
  background: var(--seo-surface);
}

.seo-quick-facts dt {
  margin: 0 0 2px;
  color: var(--seo-muted);
  font-size: 14px;
  font-weight: 700;
}

.seo-quick-facts dd {
  margin: 0 0 16px;
  color: var(--seo-text);
  font-weight: 700;
}

.seo-quick-facts dd:last-child {
  margin-bottom: 0;
}

.seo-section {
  padding: 48px 0 0;
}

.seo-section-heading {
  max-width: 720px;
  margin: 0 0 24px;
}

.seo-section-heading p {
  margin: 0 0 6px;
  color: var(--seo-cyan);
  font-size: 14px;
  font-weight: 800;
}

.seo-section h2 {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 32px);
  line-height: 1.35;
}

.seo-section-heading > span {
  display: block;
  margin-top: 10px;
  color: var(--seo-muted);
}

.seo-step-list,
.seo-use-list,
.seo-compare-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-step-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.seo-step-list li,
.seo-use-list li,
.seo-compare-list li {
  border: 1px solid var(--seo-border);
  background: var(--seo-surface);
}

.seo-step-list li {
  padding: 24px;
  border-radius: 14px;
}

.seo-step-number {
  display: inline-grid;
  width: 36px;
  height: 36px;
  place-items: center;
  margin-bottom: 16px;
  border: 1px solid rgba(103, 232, 249, 0.4);
  border-radius: 50%;
  color: var(--seo-cyan);
  font-weight: 900;
}

.seo-step-list h3,
.seo-use-list h3,
.seo-compare-list h3 {
  margin: 0 0 8px;
  font-size: 19px;
  line-height: 1.45;
}

.seo-step-list p,
.seo-use-list p,
.seo-compare-list p {
  margin: 0;
  color: var(--seo-muted);
}

.seo-use-list,
.seo-compare-list {
  display: grid;
  gap: 12px;
}

.seo-use-list li,
.seo-compare-list li {
  display: grid;
  grid-template-columns: minmax(160px, 0.36fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 22px 24px;
  border-radius: 12px;
}

.seo-note {
  margin-top: 18px;
  padding: 18px 20px;
  border-left: 4px solid var(--seo-gold);
  background: rgba(251, 191, 36, 0.07);
  color: var(--seo-muted);
}

.seo-note strong {
  color: var(--seo-text);
}

.seo-faq {
  display: grid;
  gap: 10px;
}

.seo-faq details {
  border: 1px solid var(--seo-border);
  border-radius: 12px;
  background: var(--seo-surface);
}

.seo-faq summary {
  min-height: 52px;
  box-sizing: border-box;
  padding: 14px 48px 14px 20px;
  cursor: pointer;
  color: var(--seo-text);
  font-weight: 800;
}

.seo-faq details p {
  margin: 0;
  padding: 0 20px 20px;
  color: var(--seo-muted);
}

.seo-related {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.seo-related a {
  display: block;
  min-height: 44px;
  padding: 20px;
  border: 1px solid var(--seo-border);
  border-radius: 12px;
  background: var(--seo-surface);
  font-weight: 800;
}

.seo-final-cta {
  margin-top: 48px;
  padding: 32px;
  border: 1px solid rgba(251, 191, 36, 0.5);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.08), var(--seo-surface));
  text-align: center;
}

.seo-final-cta h2 {
  margin: 0;
  font-size: 26px;
}

.seo-final-cta p {
  max-width: 680px;
  margin: 10px auto 20px;
  color: var(--seo-muted);
}

.seo-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  justify-content: center;
  padding: 24px 20px 40px;
  border-top: 1px solid var(--seo-border-soft);
  color: var(--seo-muted);
  font-size: 14px;
}

@media (max-width: 820px) {
  .seo-intent-main {
    width: min(100% - 28px, 720px);
    padding-top: 24px;
  }

  .seo-hero {
    grid-template-columns: 1fr;
    padding: 28px 24px;
  }

  .seo-step-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  body.seo-intent-page .menu-layer .topbar .seo-site-brand {
    font-size: 17px !important;
  }

  body.seo-intent-page .menu-layer .topbar .seo-site-brand > a {
    gap: 6px !important;
  }

  body.seo-intent-page .menu-layer .topbar .seo-site-brand > a::before {
    width: 18px !important;
    height: 21px !important;
    flex-basis: 18px !important;
  }

  .seo-intent-main {
    width: calc(100% - 24px);
  }

  .seo-hero {
    padding: 24px 18px;
    border-radius: 14px;
  }

  .seo-hero h1 {
    font-size: 30px;
  }

  .seo-lead {
    font-size: 16px;
  }

  .seo-hero-actions,
  .seo-cta {
    width: 100%;
  }

  .seo-quick-facts,
  .seo-step-list li,
  .seo-use-list li,
  .seo-compare-list li {
    padding: 18px 16px;
  }

  .seo-use-list li,
  .seo-compare-list li,
  .seo-related {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .seo-section {
    padding-top: 40px;
  }

  .seo-final-cta {
    padding: 26px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}