/* ==========================================================================
   Javelin Rover - Corporate Website Theme & Styles (Light Theme Edition)
   Palette: Crisp White (Base) x Deep Forest Green (Accent/Decor) x Antique Gold
   ========================================================================== */

:root {
  /* Core Colors */
  --bg-body: #ffffff;
  --bg-sub: #f8faf8;
  --bg-sub-warm: #fbfbf9;
  --bg-dark-accent: #0c2015;     /* 名刺の深緑（フッターや強調ブロック用） */
  --bg-dark-card: #122c1f;

  --color-green-deep: #0e271a;   /* ブランドグリーン */
  --color-green-mid: #183e2b;
  --color-green-light: #255c40;
  --color-green-pale: #edf4ef;   /* 淡いミント/セージグリーン（タグや背景装飾） */
  --color-green-border: rgba(14, 39, 26, 0.12);

  --color-gold: #b88646;         /* アンティークゴールド */
  --color-gold-dark: #916328;
  --color-gold-light: #cf9e5d;
  --color-gold-pale: #fbf6ee;
  --color-gold-border: rgba(184, 134, 70, 0.3);

  --text-main: #191c1a;          /* 本文メイン黒 */
  --text-secondary: #3e4842;     /* サブ黒 */
  --text-muted: #6b7770;         /* 補足グレー */
  --text-on-dark: #f0ede6;       /* 暗背景用テキスト */

  --border-light: #e5eae6;
  --shadow-sm: 0 2px 8px rgba(14, 39, 26, 0.04);
  --shadow-md: 0 8px 24px rgba(14, 39, 26, 0.08);
  --shadow-lg: 0 16px 40px rgba(14, 39, 26, 0.12);

  /* Typography */
  --font-serif-en: 'Cormorant Garamond', Georgia, serif;
  --font-serif-ja: 'Noto Serif JP', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --transition-normal: 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-body);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.85;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-normal);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 90%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1rem;
}

.pc-only {
  display: inline;
}

@media (max-width: 768px) {
  .pc-only {
    display: none;
  }
}

/* Utilities */
.text-gold {
  color: var(--color-gold);
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-green {
  color: var(--color-green-deep);
}

.section-head {
  margin-bottom: 3.5rem;
}

.section-head.text-center {
  text-align: center;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-serif-en);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--color-gold);
}

.text-center .section-label::before {
  display: none;
}

.section-title {
  font-family: var(--font-serif-ja);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-green-deep);
  line-height: 1.4;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-top: 1rem;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Header (Permanent Sophisticated Deep Green & White Text)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0.9rem 0;
  background: rgba(14, 39, 26, 0.98);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-gold-border);
  transition: var(--transition-normal);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.header-inner {
  width: 92%;
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.logo-img-full {
  height: 44px;
  width: auto;
  object-fit: contain;
  /* The logo already has deep green background — no extra styling needed */
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-link {
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  color: #ffffff;
  font-weight: 500;
  position: relative;
  padding: 0.25rem 0;
  transition: var(--transition-normal);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: var(--transition-normal);
}

.nav-link:hover {
  color: var(--color-gold-light);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.3rem;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  color: #fff;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  border: 1px solid var(--color-gold-border);
  border-radius: 4px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(184, 134, 70, 0.3);
}

.nav-cta:hover {
  background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(184, 134, 70, 0.4);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #ffffff;
  margin: 5px 0;
  transition: var(--transition-normal);
}

/* Scrolled Header State (Slight compact padding) */
.site-header.scrolled {
  padding: 0.7rem 0;
  background: rgba(10, 28, 19, 0.99);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.35);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 130px 0 80px;
  background: linear-gradient(170deg, #ffffff 0%, var(--color-green-pale) 65%, #ffffff 100%);
  overflow: hidden;
}

.hero-watermark-wrap {
  position: absolute;
  right: -5%;
  top: 15%;
  width: 48vw;
  max-width: 650px;
  opacity: 0.05;
  user-select: none;
  pointer-events: none;
  z-index: 1;
}

.hero-watermark-img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-brand-emblem {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.hero-emblem-icon {
  width: 38px;
  height: 38px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gold-border);
}

.badge-tag {
  display: inline-block;
  font-family: var(--font-serif-en);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--color-green-deep);
  border: 1px solid var(--color-green-border);
  background: #ffffff;
  padding: 0.4rem 1.1rem;
  border-radius: 20px;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.hero-title {
  font-family: var(--font-serif-ja);
  font-size: clamp(2.3rem, 4.8vw, 3.6rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--color-green-deep);
  margin-bottom: 1.25rem;
}

.hero-en-sub {
  font-family: var(--font-serif-en);
  font-size: 1.35rem;
  font-style: italic;
  color: var(--color-gold);
  margin-bottom: 1.25rem;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.95;
  margin-bottom: 2.25rem;
}

.hero-actions {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero-media-wrap {
  position: relative;
}

.hero-img-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gold-border);
}

.hero-img-card img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.hero-img-card:hover img {
  transform: scale(1.03);
}

.hero-img-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  background: rgba(14, 39, 26, 0.9);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 6px;
  border: 1px solid var(--color-gold-border);
  font-size: 0.85rem;
  font-weight: 500;
}

.hero-img-badge span {
  color: var(--color-gold-light);
  font-weight: 700;
  display: block;
  font-family: var(--font-serif-en);
  font-size: 1.1rem;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-img-card img {
    height: 320px;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2rem;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: var(--transition-normal);
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-green-deep) 0%, var(--color-green-mid) 100%);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(14, 39, 26, 0.2);
  border: 1px solid var(--color-gold-border);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(184, 134, 70, 0.3);
}

.btn-secondary {
  background: #ffffff;
  color: var(--color-green-deep);
  border: 1px solid var(--color-green-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--color-green-pale);
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

.scroll-indicator {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  z-index: 2;
}

.scroll-text {
  font-family: var(--font-serif-en);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ==========================================================================
   Sections Common
   ========================================================================== */
.section {
  padding: 6.5rem 0;
  position: relative;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-section {
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-bottom: 4rem;
}

.about-card {
  background: var(--bg-sub);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--color-green-deep);
  padding: 2.75rem;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-left-color: var(--color-gold);
}

.gold-roman {
  display: block;
  font-family: var(--font-serif-en);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.symbol-name {
  font-family: var(--font-serif-ja);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-green-deep);
  display: block;
  margin-bottom: 1rem;
}

.about-text {
  color: var(--text-secondary);
  font-size: 0.98rem;
  line-height: 1.9;
}

.philosophy-quote {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--color-green-pale);
  border-radius: 8px;
  border: 1px solid var(--color-green-border);
}

.philosophy-quote blockquote {
  font-family: var(--font-serif-ja);
  font-size: clamp(1.15rem, 2.3vw, 1.45rem);
  font-weight: 600;
  line-height: 1.85;
  color: var(--color-green-deep);
}

/* ==========================================================================
   Services Section: Core Consulting Flow + Tactics Grid
   ========================================================================== */
.services-section {
  background: var(--bg-sub);
}

/* Core Flow (4 Steps) */
.consulting-process-box {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 3.5rem 3rem;
  margin-bottom: 4.5rem;
  box-shadow: var(--shadow-sm);
}

.process-header {
  text-align: center;
  margin-bottom: 3rem;
}

.process-badge {
  display: inline-block;
  font-family: var(--font-serif-en);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.process-title {
  font-family: var(--font-serif-ja);
  font-size: 1.8rem;
  color: var(--color-green-deep);
  font-weight: 600;
}

.process-flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-step-card {
  background: var(--bg-sub);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 2rem 1.5rem;
  position: relative;
  transition: var(--transition-normal);
}

.process-step-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
  background: #ffffff;
}

.step-num {
  font-family: var(--font-serif-en);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
  margin-bottom: 1rem;
}

.step-name {
  font-family: var(--font-serif-ja);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-green-deep);
  margin-bottom: 0.75rem;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 900px) {
  .process-flow-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .process-flow-grid {
    grid-template-columns: 1fr;
  }
  .consulting-process-box {
    padding: 2.5rem 1.5rem;
  }
}

/* Tactics (5 Solution Methods) */
.tactics-heading {
  text-align: center;
  margin-bottom: 2.5rem;
}

.tactics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.tactic-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 2.25rem 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.tactic-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-green-deep);
  box-shadow: var(--shadow-md);
}

.tactic-icon {
  width: 44px;
  height: 44px;
  background: var(--color-green-pale);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-green-deep);
  margin-bottom: 1.25rem;
}

.tactic-title {
  font-family: var(--font-serif-ja);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-green-deep);
  margin-bottom: 0.75rem;
}

.tactic-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ==========================================================================
   Special Plans: Diagnostic & Analytics
   ========================================================================== */
.plans-section {
  background: #ffffff;
  border-top: 1px solid var(--border-light);
}

.plans-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.plan-card {
  border-radius: 12px;
  padding: 3rem;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
  position: relative;
}

.plan-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Plan 1: Site Diagnostic */
.plan-card.diagnostic {
  background: linear-gradient(145deg, #ffffff 0%, var(--bg-sub) 100%);
  border: 2px solid var(--color-green-border);
}

.plan-card.diagnostic:hover {
  border-color: var(--color-gold);
}

.plan-badge {
  display: inline-block;
  font-family: var(--font-serif-en);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: 4px;
  margin-bottom: 1.25rem;
}

.plan-card.diagnostic .plan-badge {
  background: var(--color-green-pale);
  color: var(--color-green-deep);
}

.plan-title {
  font-family: var(--font-serif-ja);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-green-deep);
  margin-bottom: 1rem;
}

.plan-price-box {
  margin: 1.25rem 0 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-light);
}

.price-lead {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.price-value {
  font-family: var(--font-serif-en);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-left: 0.5rem;
}

.price-tax {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 1.75rem;
}

.plan-features {
  margin-bottom: 2rem;
}

.plan-features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0.65rem;
  position: relative;
  padding-left: 1.4rem;
}

.plan-features li::before {
  content: '✔';
  position: absolute;
  left: 0;
  color: var(--color-gold);
  font-weight: bold;
}

/* Plan 2: Machine Learning & Causal Analytics */
.plan-card.analytics {
  background: linear-gradient(135deg, var(--color-green-deep) 0%, var(--color-green-mid) 100%);
  color: #ffffff;
  border: 1px solid var(--color-gold-border);
}

.plan-card.analytics .plan-badge {
  background: rgba(184, 134, 70, 0.2);
  color: var(--color-gold-light);
  border: 1px solid var(--color-gold-border);
}

.plan-card.analytics .plan-title {
  color: #ffffff;
}

.plan-card.analytics .plan-desc {
  color: var(--text-on-dark);
}

.plan-card.analytics .plan-features li {
  color: #e5ede7;
}

.plan-img-preview {
  margin: 1.5rem 0;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-gold-border);
}

.plan-img-preview img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

@media (max-width: 900px) {
  .plans-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Brand Business Section (Apparel Brand / Subdomain)
   ========================================================================== */
.brand-business-section {
  background: var(--bg-sub);
}

.brand-showcase-box {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
}

.brand-visual-side {
  position: relative;
}

.brand-visual-side img {
  width: 100%;
  height: 100%;
  min-height: 380px;
  object-fit: cover;
}

.brand-info-side {
  padding: 3.5rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-status-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-serif-en);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  font-weight: 700;
  margin-bottom: 1rem;
}

.brand-title {
  font-family: var(--font-serif-ja);
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-green-deep);
  margin-bottom: 1.25rem;
}

.brand-desc {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 2rem;
}

.subdomain-notice {
  background: var(--color-green-pale);
  border-left: 3px solid var(--color-green-deep);
  padding: 1rem 1.25rem;
  border-radius: 0 6px 6px 0;
  font-size: 0.88rem;
  color: var(--color-green-deep);
  margin-bottom: 2rem;
}

@media (max-width: 850px) {
  .brand-showcase-box {
    grid-template-columns: 1fr;
  }
  .brand-visual-side img {
    height: 280px;
  }
  .brand-info-side {
    padding: 2.5rem 1.75rem;
  }
}

/* ==========================================================================
   Strengths Section
   ========================================================================== */
.strengths-section {
  background: #ffffff;
}

.strengths-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 4rem;
  align-items: center;
}

.strengths-lead {
  color: var(--text-secondary);
  margin-top: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.9;
}

.strengths-right {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.strength-item {
  display: flex;
  gap: 1.75rem;
  background: var(--bg-sub);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 1.75rem 2rem;
  transition: var(--transition-normal);
}

.strength-item:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-sm);
  background: #ffffff;
}

.strength-num {
  font-family: var(--font-serif-en);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-gold);
  min-width: 45px;
  line-height: 1;
}

.strength-body h4 {
  font-family: var(--font-serif-ja);
  font-size: 1.15rem;
  color: var(--color-green-deep);
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.strength-body p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

@media (max-width: 900px) {
  .strengths-wrapper {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* ==========================================================================
   Company Section
   ========================================================================== */
.company-section {
  background: var(--bg-sub);
  border-top: 1px solid var(--border-light);
}

.company-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 3.5rem;
  max-width: 880px;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}

.company-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--border-light);
}

.company-row:last-child {
  border-bottom: none;
}

.company-row dt {
  font-family: var(--font-serif-ja);
  font-weight: 600;
  color: var(--color-green-deep);
  font-size: 0.95rem;
}

.company-row dd {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.company-row dd a {
  color: var(--color-gold-dark);
  font-weight: 500;
}

.company-row dd a:hover {
  text-decoration: underline;
}

@media (max-width: 600px) {
  .company-row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
  .company-card {
    padding: 2rem 1.5rem;
  }
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
  background: #ffffff;
}

.contact-box {
  background: #ffffff;
  border: 1px solid var(--color-green-border);
  border-radius: 12px;
  padding: 4rem 3.5rem;
  box-shadow: var(--shadow-lg);
  border-top: 4px solid var(--color-green-deep);
}

.contact-subtitle {
  color: var(--text-muted);
  margin-top: 0.75rem;
  margin-bottom: 3rem;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3.5rem;
}

.direct-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.info-card {
  background: var(--bg-sub);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 3rem 2.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  box-shadow: var(--shadow-sm);
}

.info-tag {
  display: inline-block;
  font-family: var(--font-serif-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  font-weight: 600;
  margin-bottom: 1.5rem;
  text-align: center;
}

.info-logo-box {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin: 0 auto;
}

.info-card-logo {
  width: 160px;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--color-gold-border);
  display: block;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}

.info-person {
  font-family: var(--font-serif-ja);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-green-deep);
  margin-bottom: 1.75rem;
}

.info-links {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.info-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--text-main);
  font-weight: 500;
}

.info-link:hover {
  color: var(--color-gold-dark);
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.88rem;
  color: var(--text-main);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-group .required {
  font-size: 0.7rem;
  background: var(--color-gold-pale);
  color: var(--color-gold-dark);
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  border: 1px solid var(--color-gold-border);
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 0.85rem 1rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-normal);
}

.form-group select {
  cursor: pointer;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-green-deep);
  box-shadow: 0 0 0 3px rgba(14, 39, 26, 0.08);
}

@media (max-width: 850px) {
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .contact-box {
    padding: 2.5rem 1.5rem;
  }
}

/* ==========================================================================
   Footer (Sophisticated Deep Green Anchor)
   ========================================================================== */
.site-footer {
  background: var(--bg-dark-accent);
  color: var(--text-on-dark);
  border-top: 1px solid var(--color-gold-border);
  padding: 3.5rem 0 2.5rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.footer-logo-mark {
  height: 34px;
  width: 34px;
  object-fit: cover;
  border-radius: 4px;
}

.footer-logo-text {
  height: 22px;
  width: auto;
  object-fit: contain;
}

.footer-nav {
  display: flex;
  gap: 1.8rem;
  flex-wrap: wrap;
}

.footer-nav a {
  font-size: 0.88rem;
  color: rgba(240, 237, 230, 0.75);
}

.footer-nav a:hover {
  color: var(--color-gold-light);
}

.copyright {
  text-align: center;
  font-size: 0.82rem;
  color: rgba(240, 237, 230, 0.5);
}

@media (max-width: 768px) {
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
  .footer-nav {
    justify-content: center;
  }
}

/* ==========================================================================
   Subpage Specific Styles (Diagnostic & Analytics Detail Pages)
   ========================================================================== */
.subpage-hero {
  padding: 140px 0 60px;
  background: linear-gradient(170deg, #ffffff 0%, var(--color-green-pale) 70%, #ffffff 100%);
  border-bottom: 1px solid var(--border-light);
  position: relative;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumbs a {
  color: var(--color-green-deep);
  font-weight: 500;
}

.breadcrumbs a:hover {
  color: var(--color-gold);
}

.breadcrumbs span {
  color: var(--text-muted);
}

.subpage-title {
  font-family: var(--font-serif-ja);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  color: var(--color-green-deep);
  line-height: 1.35;
  margin-bottom: 1rem;
}

.subpage-lead {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 800px;
  line-height: 1.9;
}

.detail-section {
  padding: 5rem 0;
}

.detail-grid-2col {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3.5rem;
  align-items: center;
  margin-bottom: 4rem;
}

.detail-feature-card {
  background: var(--bg-sub);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 2.25rem;
  margin-bottom: 1.5rem;
  border-left: 4px solid var(--color-green-deep);
}

.detail-feature-card h4 {
  font-family: var(--font-serif-ja);
  font-size: 1.2rem;
  color: var(--color-green-deep);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.detail-feature-card p {
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.detail-img-box {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-gold-border);
}

.detail-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pricing-table-card {
  background: #ffffff;
  border: 2px solid var(--color-gold-border);
  border-radius: 12px;
  padding: 3.5rem;
  box-shadow: var(--shadow-md);
  margin: 3rem auto;
  max-width: 860px;
  text-align: center;
}

.pricing-highlight-price {
  font-family: var(--font-serif-en);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
  margin: 1rem 0;
}

.pricing-item-list {
  text-align: left;
  max-width: 580px;
  margin: 2rem auto;
}

.pricing-item-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-item-list li::before {
  content: '✔';
  color: var(--color-gold);
  font-weight: bold;
}

.subpage-back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-green-deep);
  margin-bottom: 2rem;
}

.subpage-back-link:hover {
  color: var(--color-gold);
  transform: translateX(-3px);
}

@media (max-width: 900px) {
  .detail-grid-2col {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* ==========================================================================
   Analytics Detail Page Components (Math, Transformations, Methodology)
   ========================================================================== */
.warning-box {
  background: #fdf8f0;
  border-left: 4px solid var(--color-gold);
  padding: 1.5rem 1.75rem;
  border-radius: 0 8px 8px 0;
  margin-top: 1rem;
}

.method-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.method-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.method-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-green-deep);
  box-shadow: var(--shadow-md);
}

.method-step-badge {
  display: inline-block;
  font-family: var(--font-serif-en);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--color-gold);
  background: var(--color-gold-pale);
  padding: 0.25rem 0.75rem;
  border-radius: 3px;
  margin-bottom: 0.75rem;
}

.method-card-title {
  font-family: var(--font-serif-ja);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-green-deep);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.method-card-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: normal;
  display: block;
  margin-top: 0.35rem;
}

.method-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 1.25rem;
}

.method-card-callout {
  background: var(--color-green-pale);
  border-radius: 6px;
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  color: var(--color-green-deep);
  font-weight: 500;
  line-height: 1.6;
}

.method-list {
  border-top: 1px solid var(--border-light);
  padding-top: 1rem;
  margin-top: 0.5rem;
}

.method-list li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 0.65rem;
  line-height: 1.7;
}

/* Domain Knowledge Intro Box */
.domain-intro-box {
  background: var(--bg-sub);
  border: 1px solid var(--border-light);
  border-left: 4px solid var(--color-green-deep);
  border-radius: 8px;
  padding: 2.25rem;
  max-width: 960px;
  margin: 0 auto 3.5rem;
  box-shadow: var(--shadow-sm);
}

.domain-intro-tag {
  display: inline-block;
  font-family: var(--font-serif-en);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--color-gold);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

/* Transformations (Adstock & Diminishing Returns) */
.transformations-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.trans-card {
  background: #ffffff;
  border: 2px solid var(--color-green-border);
  border-radius: 12px;
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
}

.trans-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-lg);
}

.trans-badge {
  display: inline-block;
  font-family: var(--font-serif-en);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--color-green-deep);
  background: var(--color-green-pale);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.trans-title {
  font-family: var(--font-serif-ja);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-green-deep);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.trans-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 1.5rem;
}

.math-box {
  background: var(--bg-dark-accent);
  color: #ffffff;
  border-radius: 8px;
  padding: 1.5rem 1.25rem;
  text-align: center;
  margin-bottom: 1.5rem;
  border: 1px solid var(--color-gold-border);
}

.math-formula {
  font-family: var(--font-serif-en);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-gold-light);
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

.math-caption {
  font-size: 0.8rem;
  color: rgba(240, 237, 230, 0.75);
}

.trans-example {
  background: var(--color-gold-pale);
  border-radius: 8px;
  padding: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.trans-example strong {
  color: var(--color-gold-dark);
  display: block;
  margin-bottom: 0.5rem;
}

.trans-example ul {
  padding-left: 1.2rem;
  list-style: disc;
}

.trans-example li {
  margin-bottom: 0.35rem;
}

/* Impact Grid */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.impact-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.impact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-gold);
}

.impact-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.impact-title {
  font-family: var(--font-serif-ja);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-green-deep);
  margin-bottom: 0.75rem;
}

.impact-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

@media (max-width: 900px) {
  .transformations-grid {
    grid-template-columns: 1fr;
  }
}