/* ========================================
   YK partners - Shared Stylesheet
   ======================================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --navy-900: #081022;
  --navy-800: #0d1a36;
  --navy-700: #142347;
  --navy-600: #1c3060;
  --navy-500: #2a4580;
  --white: #ffffff;
  --gray-50: #f7f8fa;
  --gray-100: #eef0f4;
  --gray-200: #dfe3ea;
  --gray-300: #c3c9d4;
  --gray-400: #8d96a6;
  --gray-500: #626c7f;
  --gray-600: #3f4858;
  --gray-700: #242c3d;
  --gray-800: #151c2b;
  --accent: #b08d57;
  --accent-light: #c9a96e;
  --accent-subtle: rgba(176, 141, 87, 0.08);
  --hotel-accent: #8a6b3a;
  --font-ja: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-num: 'Noto Sans JP', sans-serif;
  --section-padding: 110px 0;
  --container-width: 1140px;
}

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

body {
  font-family: var(--font-ja);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* ========== Header ========== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--navy-800);
}

.logo span {
  font-weight: 300;
  color: var(--gray-400);
  margin-left: 14px;
  font-size: 11px;
  letter-spacing: 0.06em;
}

.header-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.header-nav a {
  font-size: 13px;
  color: var(--gray-600);
  font-weight: 500;
  transition: color 0.2s ease;
}

.header-nav a:hover { color: var(--navy-800); }

.header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-outline-sm {
  font-size: 13px;
  padding: 8px 20px;
  border: 1px solid var(--navy-800);
  color: var(--navy-800);
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.25s ease;
  letter-spacing: 0.04em;
}

.btn-outline-sm:hover { background: var(--navy-800); color: var(--white); }

.btn-primary-sm {
  font-size: 13px;
  padding: 8px 20px;
  background: var(--navy-800);
  color: var(--white);
  border-radius: 4px;
  border: 1px solid var(--navy-800);
  font-weight: 500;
  transition: all 0.25s ease;
  letter-spacing: 0.04em;
}

.btn-primary-sm:hover { background: var(--navy-700); }

/* ========== Buttons ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  background: var(--navy-800);
  color: var(--white);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 220px;
}

.btn-primary:hover {
  background: var(--navy-700);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(13, 26, 54, 0.2);
}

.btn-primary svg { margin-left: 8px; transition: transform 0.2s ease; }
.btn-primary:hover svg { transform: translateX(3px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  background: transparent;
  color: var(--navy-800);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: 4px;
  border: 1.5px solid var(--navy-800);
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 220px;
}

.btn-secondary:hover {
  background: var(--navy-800);
  color: var(--white);
  transform: translateY(-1px);
}

/* ========== Section Headers ========== */
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 16px;
  display: inline-block;
  position: relative;
  padding-left: 28px;
}

.section-label::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 20px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--navy-900);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.section-subtitle {
  font-size: 15px;
  color: var(--gray-500);
  line-height: 1.9;
  max-width: 640px;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header .section-subtitle { margin: 0 auto; }

/* ========== Hero ========== */
.hero {
  padding-top: 72px;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  position: relative;
  overflow: hidden;
  min-height: 660px;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 80%; height: 200%;
  background: radial-gradient(ellipse, rgba(176, 141, 87, 0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(176, 141, 87, 0.3), transparent);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 80px;
  align-items: center;
  padding: 90px 0;
  position: relative;
}

.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 28px;
}

.hero-breadcrumb .bc-current { color: var(--accent-light); }
.hero-breadcrumb .bc-sep { opacity: 0.4; }

.hero-content h1 {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
  letter-spacing: 0.03em;
  margin-bottom: 28px;
}

.hero-content h1 em {
  font-style: normal;
  color: var(--accent-light);
}

.hero-lead {
  font-size: 16px;
  line-height: 1.95;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 44px;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  gap: 16px;
}

.hero .btn-primary {
  background: var(--accent);
  border: 1px solid var(--accent);
}

.hero .btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 4px 20px rgba(176, 141, 87, 0.3);
}

.hero .btn-secondary {
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.3);
}

.hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}

.hero-visual {
  position: relative;
}

.hero-visual-card {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 36px 32px;
}

.hero-visual-card .card-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent-light);
  margin-bottom: 24px;
}

.hero-visual-card .card-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.hero-visual-card .card-item:last-child { border-bottom: none; }

.hero-visual-card .card-icon {
  width: 36px; height: 36px;
  border-radius: 6px;
  background: rgba(176, 141, 87, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.hero-visual-card .card-icon svg { width: 18px; height: 18px; stroke: var(--accent-light); }

.hero-visual-card .card-item-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 4px;
}

.hero-visual-card .card-item-desc {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
}

/* ========== Challenges ========== */
.challenges { padding: var(--section-padding); background: var(--white); }

.challenges-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.challenge-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 30px 34px;
  background: var(--gray-50);
  border-radius: 6px;
  border-left: 3px solid var(--gray-200);
  transition: all 0.25s ease;
}

.challenge-card:hover {
  border-left-color: var(--accent);
  background: var(--accent-subtle);
}

.challenge-card .challenge-num {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.challenge-card .challenge-text {
  font-size: 15px;
  font-weight: 500;
  line-height: 1.7;
  color: var(--navy-800);
}

/* ========== Value ========== */
.value { padding: var(--section-padding); background: var(--gray-50); }

.value-intro {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 64px;
}

.value-intro .value-statement {
  font-size: 18px;
  line-height: 2;
  color: var(--gray-600);
  margin-top: 24px;
}

.value-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.value-feature {
  background: var(--white);
  border-radius: 8px;
  padding: 44px 36px;
  border: 1px solid var(--gray-200);
  transition: all 0.3s ease;
}

.value-feature:hover {
  border-color: var(--accent);
  box-shadow: 0 8px 32px rgba(8, 16, 34, 0.07);
  transform: translateY(-2px);
}

.value-feature .feature-icon {
  width: 48px; height: 48px;
  border-radius: 8px;
  background: var(--navy-800);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.value-feature .feature-icon svg { width: 22px; height: 22px; stroke: var(--white); }

.value-feature h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 12px;
  line-height: 1.5;
}

.value-feature p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.85;
}

/* ========== Comparison ========== */
.comparison { padding: var(--section-padding); background: var(--white); }
.comparison-table-wrapper { overflow-x: auto; }

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.comparison-table thead th {
  padding: 20px 24px;
  text-align: center;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--gray-200);
  color: var(--gray-600);
  white-space: nowrap;
}

.comparison-table thead th:first-child {
  text-align: left;
  width: 240px;
}

.comparison-table thead th.highlight {
  background: var(--navy-800);
  color: var(--white);
  border-radius: 8px 8px 0 0;
  border-bottom: 2px solid var(--navy-800);
}

.comparison-table tbody td {
  padding: 18px 24px;
  text-align: center;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-600);
  line-height: 1.6;
}

.comparison-table tbody td:first-child {
  text-align: left;
  font-weight: 500;
  color: var(--navy-800);
}

.comparison-table tbody td.highlight {
  background: rgba(13, 26, 54, 0.03);
  color: var(--navy-800);
  font-weight: 600;
}

.comparison-table tbody tr:last-child td.highlight { border-radius: 0 0 8px 8px; }

.check-icon { color: var(--navy-800); font-weight: 700; }
.circle-icon { color: var(--gray-400); }
.triangle-icon { color: var(--gray-300); }

/* ========== Strengths ========== */
.strengths {
  padding: var(--section-padding);
  background: var(--navy-900);
  position: relative;
  overflow: hidden;
}

.strengths::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 50%; height: 100%;
  background: radial-gradient(ellipse at right, rgba(176, 141, 87, 0.05), transparent 70%);
}

.strengths .section-label { color: var(--accent-light); }
.strengths .section-title { color: var(--white); }
.strengths .section-subtitle { color: rgba(255, 255, 255, 0.5); }

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  position: relative;
}

.strength-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 44px 32px;
  transition: all 0.3s ease;
}

.strength-card:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(176, 141, 87, 0.3);
  transform: translateY(-2px);
}

.strength-card .strength-num {
  font-family: var(--font-num);
  font-size: 48px;
  font-weight: 200;
  color: rgba(176, 141, 87, 0.4);
  line-height: 1;
  margin-bottom: 20px;
}

.strength-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.5;
}

.strength-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.58);
  line-height: 1.85;
}

/* ========== Cases ========== */
.cases { padding: var(--section-padding); background: var(--gray-50); }

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.case-card {
  background: var(--white);
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: all 0.3s ease;
}

.case-card:hover {
  box-shadow: 0 8px 32px rgba(8, 16, 34, 0.08);
  transform: translateY(-2px);
}

.case-card-header {
  padding: 26px 30px;
  background: var(--navy-800);
  color: var(--white);
}

.case-card-header .case-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  background: rgba(176, 141, 87, 0.22);
  color: var(--accent-light);
  border-radius: 3px;
  margin-bottom: 12px;
}

.case-card-header .case-position {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
}

.case-card-body { padding: 28px 30px; }

.case-card-body dl {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 10px 16px;
  font-size: 13px;
}

.case-card-body dt {
  font-weight: 600;
  color: var(--gray-500);
}

.case-card-body dd {
  color: var(--gray-700);
  line-height: 1.7;
}

.case-card-result {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--gray-100);
}

.case-card-result .result-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 6px;
}

.case-card-result .result-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--navy-800);
  line-height: 1.65;
}

/* ========== Process ========== */
.process { padding: var(--section-padding); background: var(--white); }

.process-timeline {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--gray-200);
}

.process-step {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding-bottom: 40px;
  position: relative;
}

.process-step:last-child { padding-bottom: 0; }

.process-step .step-marker {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.process-step:hover .step-marker {
  border-color: var(--navy-800);
  background: var(--navy-800);
}

.step-num {
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-800);
  transition: color 0.3s ease;
}

.process-step:hover .step-marker .step-num { color: var(--white); }

.process-step .step-content { padding-top: 12px; }

.process-step .step-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 6px;
}

.process-step .step-desc {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.75;
}

/* ========== FAQ ========== */
.faq { padding: var(--section-padding); background: var(--gray-50); }

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
  background: var(--white);
  margin-bottom: 8px;
  border-radius: 6px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 26px 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-ja);
}

.faq-question .q-label {
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 1px;
}

.faq-question .q-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--navy-800);
  line-height: 1.6;
  flex: 1;
}

.faq-question .q-toggle {
  width: 24px; height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  transition: transform 0.3s ease;
}

.faq-question .q-toggle svg { width: 16px; height: 16px; stroke: var(--gray-400); }

.faq-item.active .q-toggle { transform: rotate(180deg); }

.faq-answer { display: none; padding: 0 28px 28px 58px; }
.faq-item.active .faq-answer { display: block; }

.faq-answer p {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.9;
}

/* ========== Final CTA ========== */
.final-cta {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  top: -50%; left: 50%;
  transform: translateX(-50%);
  width: 100%; height: 200%;
  background: radial-gradient(ellipse, rgba(176, 141, 87, 0.06), transparent 60%);
}

.final-cta-content { position: relative; }

.final-cta h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.55;
  margin-bottom: 16px;
}

.final-cta .cta-sub {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 44px;
  line-height: 1.9;
}

.final-cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.final-cta .btn-primary {
  background: var(--accent);
  border: 1px solid var(--accent);
}

.final-cta .btn-primary:hover { background: var(--accent-light); }

.final-cta .btn-secondary {
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(255, 255, 255, 0.3);
}

.final-cta .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
}

.cta-notes {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}

.cta-notes span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
  display: flex;
  align-items: center;
  gap: 6px;
}

.cta-notes span svg { width: 14px; height: 14px; stroke: rgba(176, 141, 87, 0.65); }

/* ========== Footer ========== */
.footer {
  background: var(--navy-900);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 56px 0 40px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 60px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-left .footer-logo {
  font-family: var(--font-num);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.footer-left .footer-tagline {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.8;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.footer-nav-col h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.footer-nav-col ul { list-style: none; }
.footer-nav-col li { margin-bottom: 8px; }

.footer-nav-col a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s ease;
}

.footer-nav-col a:hover { color: rgba(255, 255, 255, 0.9); }

.footer-bottom {
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.02em;
}

.footer-legal a:hover { color: rgba(255, 255, 255, 0.7); }

.footer-copy {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.25);
  letter-spacing: 0.04em;
}

/* ========== Hub Selector (index.html) ========== */
.hub-hero {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hub-hero::before {
  content: '';
  position: absolute;
  top: -50%; left: 50%;
  transform: translateX(-50%);
  width: 100%; height: 200%;
  background: radial-gradient(ellipse, rgba(176, 141, 87, 0.08), transparent 60%);
}

.hub-hero-content { position: relative; }

.hub-hero .section-label { color: var(--accent-light); }

.hub-hero h1 {
  font-size: 44px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.4;
  margin-bottom: 20px;
}

.hub-hero h1 em { font-style: normal; color: var(--accent-light); }

.hub-hero .hub-lead {
  font-size: 16px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.65);
  max-width: 640px;
  margin: 0 auto;
}

.hub-grid {
  padding: 100px 0;
  background: var(--white);
}

.hub-grid-title {
  text-align: center;
  margin-bottom: 56px;
}

.hub-grid-title h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 12px;
}

.hub-grid-title p {
  font-size: 14px;
  color: var(--gray-500);
}

.hub-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 28px;
}

.hub-category {
  margin-bottom: 56px;
}

.hub-category-label {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.hub-category-label .cat-line {
  flex: 1;
  height: 1px;
  background: var(--gray-200);
}

.hub-category-label h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy-800);
  letter-spacing: 0.06em;
}

.hub-card {
  display: block;
  padding: 40px 36px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.hub-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s ease;
}

.hub-card:hover {
  border-color: var(--navy-800);
  box-shadow: 0 8px 32px rgba(8, 16, 34, 0.08);
  transform: translateY(-2px);
}

.hub-card:hover::before { transform: scaleY(1); }

.hub-card .hub-card-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  background: var(--accent-subtle);
  color: var(--accent);
  border-radius: 3px;
  margin-bottom: 14px;
}

.hub-card h4 {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy-900);
  margin-bottom: 12px;
  line-height: 1.5;
}

.hub-card p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.85;
  margin-bottom: 20px;
}

.hub-card .hub-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-800);
  letter-spacing: 0.04em;
}

.hub-card .hub-arrow svg {
  width: 14px; height: 14px;
  transition: transform 0.2s ease;
}

.hub-card:hover .hub-arrow svg { transform: translateX(4px); }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { display: none; }
  .strengths-grid, .cases-grid, .value-features { grid-template-columns: repeat(2, 1fr); }
  .hub-cards { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  :root { --section-padding: 72px 0; }
  .container { padding: 0 20px; }
  .header-inner { padding: 0 20px; height: 60px; }
  .header-nav { display: none; }
  .hero { padding-top: 60px; min-height: auto; }
  .hero-inner { padding: 48px 0; }
  .hero-content h1 { font-size: 28px; }
  .hero-cta { flex-direction: column; }
  .section-title { font-size: 23px; }
  .challenges-grid { grid-template-columns: 1fr; }
  .strengths-grid, .cases-grid, .value-features { grid-template-columns: 1fr; }
  .comparison-table { font-size: 13px; }
  .comparison-table thead th, .comparison-table tbody td { padding: 12px 14px; }
  .final-cta h2 { font-size: 24px; }
  .final-cta-buttons { flex-direction: column; align-items: center; }
  .hub-hero h1 { font-size: 28px; }
  .footer-nav { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}