/* ===========================
   CSS Variables
=========================== */
:root {
  --color-text: #222222;
  --color-text-sub: #5f6672;
  --color-heading: #111827;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8fa;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --color-border-strong: #d7dde5;
  --color-shadow: 0 12px 36px rgba(16, 24, 40, 0.08);
  --color-shadow-soft: 0 8px 24px rgba(16, 24, 40, 0.05);
  --color-primary: #1f2f46;
  --color-primary-hover: #162438;
  --color-primary-weak: #edf3ff;
  --color-accent: #0066cc;
  --color-accent-hover: #0052a3;
  --color-accent-light: #e6f0ff;
  --color-red: #f45151;
  --color-blue: #4e8df5;
  --color-yellow: #f2c94c;
  --color-green: #4fbf7f;
  --color-link: #0066cc;
  --radius-xs: 8px;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --container: 1180px;
  --header-height: 88px;
  --section-space: 112px;
  --section-space-sp: 72px;
  --transition: 0.25s ease;
}

/* ===========================
   Reset & Base
=========================== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  color: var(--color-text);
  background: var(--color-bg);
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-link); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }
ul, ol { list-style: none; }

/* ===========================
   Layout
=========================== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-space) 0; }
.section--alt { background: var(--color-bg-alt); }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }

/* ===========================
   Buttons
=========================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 28px; border-radius: var(--radius-pill);
  font-size: 15px; font-weight: 700; cursor: pointer;
  text-decoration: none; transition: all var(--transition);
  border: 2px solid transparent; white-space: nowrap; font-family: inherit;
}
.btn--sm { padding: 8px 18px; font-size: 13px; }
.btn--lg { padding: 14px 36px; font-size: 16px; }
.btn--xl { padding: 18px 44px; font-size: 17px; }

.btn--primary {
  background: var(--color-primary); color: white; border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover); color: white;
  transform: translateY(-2px); box-shadow: 0 8px 24px rgba(31,47,70,0.3);
}
.btn--accent {
  background: var(--color-accent); color: white; border-color: var(--color-accent);
}
.btn--accent:hover {
  background: var(--color-accent-hover); color: white;
  transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,102,204,0.35);
}
.btn--outline {
  background: transparent; color: var(--color-primary); border-color: var(--color-primary);
}
.btn--outline:hover { background: var(--color-primary); color: white; }
.btn--ghost {
  background: rgba(255,255,255,0.15); color: white;
  border-color: rgba(255,255,255,0.5); backdrop-filter: blur(8px);
}
.btn--ghost:hover { background: rgba(255,255,255,0.25); color: white; }

/* ===========================
   Header
=========================== */
.lp-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  transition: box-shadow var(--transition);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--header-height); max-width: var(--container); margin: 0 auto; padding: 0 24px;
}
.header-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.header-logo__img { height: 40px; width: auto; object-fit: contain; }
.header-logo__fallback { display: flex; align-items: center; gap: 10px; }
.header-logo__mark {
  width: 40px; height: 40px; border-radius: var(--radius-xs);
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.header-logo__mark img { width: 100%; height: 100%; object-fit: contain; }
.header-logo__text { font-size: 20px; font-weight: 800; color: var(--color-primary); white-space: nowrap; }
.header-nav { display: flex; align-items: center; gap: 22px; flex-wrap: nowrap; }
.header-nav__link {
  font-size: 14px; font-weight: 500; color: var(--color-text);
  text-decoration: none; transition: color var(--transition); position: relative;
  white-space: nowrap;
}
.header-nav__link::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px;
  background: var(--color-accent); border-radius: 2px; transform: scaleX(0);
  transition: transform var(--transition);
}
.header-nav__link:hover { color: var(--color-accent); }
.header-nav__link:hover::after, .header-nav__link.active::after { transform: scaleX(1); }
.header-nav__link.active { color: var(--color-accent); }
.header-cta { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; flex-direction: column; gap: 5px;
}
.nav-toggle span {
  display: block; width: 24px; height: 2px; background: var(--color-primary);
  border-radius: 2px; transition: all var(--transition);
}

/* ===========================
   Hero
=========================== */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0a1628 0%, #1a3a6e 50%, #0d2a52 100%);
  min-height: calc(100vh - var(--header-height)); display: flex; align-items: center;
}
.hero-bg-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 60% at 80% 50%, rgba(0,102,204,0.15) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 10% 80%, rgba(79,191,127,0.08) 0%, transparent 70%);
}
.hero-inner {
  position: relative; z-index: 1; padding: 80px 24px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-pill); padding: 7px 18px;
  font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.85);
  margin-bottom: 24px; backdrop-filter: blur(8px);
}
.hero-badge__dot {
  width: 8px; height: 8px; border-radius: 50%; background: #4fbf7f;
  flex-shrink: 0; animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.6;transform:scale(1.2)} }
.hero-title {
  font-size: clamp(32px, 4vw, 54px); font-weight: 800; color: white;
  line-height: 1.2; letter-spacing: -1px; margin-bottom: 20px;
}
.hero-title em { font-style: normal; color: #7ec8ff; }
.hero-subtitle {
  font-size: 18px; color: rgba(255,255,255,0.75); line-height: 1.7;
  margin-bottom: 16px; font-weight: 500;
}
.hero-desc {
  font-size: 15px; color: rgba(255,255,255,0.65); line-height: 1.85;
  margin-bottom: 36px; max-width: 520px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 32px; }
.hero-badges-row { display: flex; gap: 10px; flex-wrap: wrap; }
.hero-tag {
  display: inline-flex; padding: 5px 12px; border-radius: var(--radius-pill);
  font-size: 12px; font-weight: 700; background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.8); border: 1px solid rgba(255,255,255,0.18);
}
.hero-visual { position: relative; }
.hero-img-main {
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5);
}
.hero-img-main img { width: 100%; height: 480px; object-fit: cover; }
.hero-float-card {
  position: absolute; z-index: 2;
}
.hero-float-card--tl { top: -20px; left: -30px; }
.hero-float-card--br { bottom: -20px; right: -30px; }
.hero-float-chara { width: 100px; height: 100px; object-fit: contain; drop-shadow: 0 8px 16px rgba(0,0,0,0.2); filter: drop-shadow(0 4px 12px rgba(0,0,0,0.25)); }
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 1;
}
.hero-scroll__line {
  width: 1px; height: 40px; background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollline 1.5s infinite;
}
@keyframes scrollline { 0%{transform:scaleY(0);transform-origin:top} 50%{transform:scaleY(1);transform-origin:top} 100%{transform:scaleY(0);transform-origin:bottom} }
.hero-scroll__text { font-size: 10px; color: rgba(255,255,255,0.4); letter-spacing: 0.15em; }

/* ===========================
   Achievement Bar
=========================== */
.achievement-bar {
  background: var(--color-primary); padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.achievement-list {
  display: flex; align-items: center; justify-content: center;
  gap: 0; flex-wrap: wrap;
}
.achievement-item {
  display: flex; align-items: center; gap: 10px; padding: 8px 32px;
}
.achievement-num {
  font-size: 22px; font-weight: 800; color: white; line-height: 1;
}
.achievement-num small { font-size: 13px; font-weight: 600; }
.achievement-label {
  font-size: 12px; color: rgba(255,255,255,0.65); max-width: 160px; line-height: 1.4;
}
.achievement-divider {
  width: 1px; height: 40px; background: rgba(255,255,255,0.2);
}

/* ===========================
   Section Headings
=========================== */
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--color-accent); margin-bottom: 14px;
}
.section-label::before {
  content: ''; width: 20px; height: 2px;
  background: var(--color-accent); border-radius: 2px;
}
.section-title {
  font-size: clamp(26px, 3vw, 40px); font-weight: 800; color: var(--color-heading);
  line-height: 1.3; letter-spacing: -0.5px; margin-bottom: 16px;
}
.section-desc {
  font-size: 16px; color: var(--color-text-sub); line-height: 1.85; max-width: 620px;
}
.section-head { margin-bottom: 60px; }
.section-head--center { text-align: center; }
.section-head--center .section-label { justify-content: center; }
.section-head--center .section-desc { margin: 0 auto; }

/* ===========================
   Issue Section
=========================== */
.issue-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 48px;
}
.issue-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 28px 24px;
  transition: all var(--transition); position: relative; overflow: hidden;
}
.issue-card:hover { box-shadow: var(--color-shadow); transform: translateY(-3px); }
.issue-num {
  font-size: 36px; font-weight: 900; color: #111827;
  line-height: 1; margin-bottom: 16px; letter-spacing: -2px;
}
.issue-card__title { font-size: 16px; font-weight: 700; color: var(--color-heading); margin-bottom: 10px; }
.issue-card__desc { font-size: 14px; color: var(--color-text-sub); line-height: 1.75; }
.issue-arrow { text-align: center; }
.issue-arrow span { display: block; font-size: 15px; font-weight: 600; color: var(--color-accent); margin-bottom: 8px; }
.issue-arrow__icon { font-size: 32px; color: var(--color-accent); animation: bounce 1.5s infinite; }
@keyframes bounce { 0%,100%{transform:translateY(0)} 50%{transform:translateY(6px)} }

/* ===========================
   About Section (Games Grid)
=========================== */
/* Legacy classes kept for safety */
.about-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.about-media { display: flex; flex-direction: column; gap: 16px; }
.about-img-main { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--color-shadow); }
.about-img-main img { width: 100%; height: 340px; object-fit: cover; }
.about-img-sub { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.about-img-sub img { width: 100%; height: 160px; object-fit: cover; border-radius: var(--radius-sm); }
.about-lead { font-size: 18px; font-weight: 700; color: var(--color-heading); margin-bottom: 16px; line-height: 1.6; }
.about-desc { font-size: 15px; color: var(--color-text-sub); line-height: 1.85; margin-bottom: 28px; }
.about-points { display: flex; flex-direction: column; gap: 12px; margin-bottom: 8px; }
.about-point {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 15px; color: var(--color-text); line-height: 1.6;
  background: var(--color-bg-alt); border-radius: var(--radius-xs); padding: 12px 16px;
}
.about-point__icon { font-size: 20px; flex-shrink: 0; }

/* --- Games Grid --- */
.games-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
  margin-bottom: 48px;
}
.game-card {
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--color-shadow-soft);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.game-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(16, 24, 40, 0.12);
}
.game-card__thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f0f2f5;
}
.game-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}
.game-card:hover .game-card__thumb img {
  transform: scale(1.06);
}
.game-card__name {
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-heading);
  text-align: center;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* About Footer CTA */
.about-footer-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 20px;
  text-align: center;
  padding: 40px 32px;
  background: var(--color-primary-weak);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-accent-light);
}
.about-footer-cta__text {
  font-size: 17px;
  color: var(--color-text);
  line-height: 1.7;
}
.about-footer-cta__text strong {
  color: var(--color-accent);
  font-size: 20px;
}

/* ===========================
   Evidence Effects Section
=========================== */
.effects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
  margin-bottom: 56px;
}
.effect-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--color-shadow-soft);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.effect-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--color-shadow);
}
.effect-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.effect-card--blue::before  { background: #0066cc; }
.effect-card--green::before { background: #2ba77d; }
.effect-card--orange::before{ background: #f07d1e; }
.effect-card--red::before   { background: #e0404a; }
.effect-card--purple::before{ background: #7c4dcc; }
.effect-card--teal::before  { background: #0d9488; }

.effect-card__icon {
  font-size: 40px;
  line-height: 1;
  margin-bottom: 12px;
  display: block;
}
.effect-card__value {
  font-size: 28px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 4px;
  letter-spacing: -0.5px;
}
.effect-card--blue  .effect-card__value { color: #0066cc; }
.effect-card--green .effect-card__value { color: #2ba77d; }
.effect-card--orange .effect-card__value { color: #f07d1e; }
.effect-card--red   .effect-card__value { color: #e0404a; }
.effect-card--purple .effect-card__value { color: #7c4dcc; }
.effect-card--teal  .effect-card__value { color: #0d9488; }

.effect-card__label {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 14px;
}
.effect-card__desc {
  font-size: 13px;
  color: var(--color-text-sub);
  line-height: 1.75;
}

/* Evidence Adoption Banner */
.evidence-adoption {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  background: linear-gradient(135deg, #1f2f46 0%, #0f1f36 100%);
  border-radius: var(--radius-md);
  padding: 40px 48px;
  color: #fff;
}
.evidence-adoption__badge {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  overflow: hidden;
}
.evidence-adoption__logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
}
.evidence-adoption__title {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.5;
}
.evidence-adoption__text {
  font-size: 14px;
  color: rgba(255,255,255,0.78);
  line-height: 1.85;
  margin-bottom: 24px;
}
.evidence-adoption__stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.evidence-adoption__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.evidence-adoption__stat-num {
  font-size: 28px;
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -1px;
}
.evidence-adoption__stat-num small {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
}
.evidence-adoption__stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  font-weight: 500;
}

/* ===========================
   Feature Rows
=========================== */
.feature-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
  margin-bottom: 80px; padding-bottom: 80px;
  border-bottom: 1px solid var(--color-border);
}
.feature-row:last-child { margin-bottom: 0; padding-bottom: 0; border-bottom: none; }
.feature-row--reverse .feature-row__media { order: 2; }
.feature-row--reverse .feature-row__content { order: 1; }
.feature-row__media { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--color-shadow); }
.feature-row__media img { width: 100%; height: 380px; object-fit: cover; }
.feature-row__num {
  font-size: 56px; font-weight: 900; color: #111827;
  line-height: 1; margin-bottom: 12px; letter-spacing: -3px;
}
.feature-row__title { font-size: 24px; font-weight: 800; color: var(--color-heading); margin-bottom: 16px; line-height: 1.35; }
.feature-row__desc { font-size: 15px; color: var(--color-text-sub); line-height: 1.85; margin-bottom: 20px; }
.feature-list { display: flex; flex-direction: column; gap: 8px; }
.feature-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px; color: var(--color-text); line-height: 1.6;
}
.feature-list li::before { content: '✓'; color: var(--color-accent); font-weight: 700; flex-shrink: 0; margin-top: 1px; }

/* ===========================
   Characters
=========================== */
.chara-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.chara-card {
  background: var(--color-surface); border-radius: var(--radius-md);
  padding: 32px 20px; text-align: center;
  border: 1px solid var(--color-border); transition: all var(--transition);
}
.chara-card:hover { transform: translateY(-6px); box-shadow: var(--color-shadow); }
.chara-img { width: 140px; height: 140px; margin: 0 auto 16px; }
.chara-img img { width: 100%; height: 100%; object-fit: contain; }
.chara-name { font-size: 16px; font-weight: 700; color: var(--color-heading); }

/* ===========================
   Device
=========================== */
.device-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.device-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 24px; transition: all var(--transition);
}
.device-card:hover { box-shadow: var(--color-shadow); transform: translateY(-3px); }
.device-img { border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 16px; background: var(--color-bg-alt); }
.device-img img { width: 100%; height: 180px; object-fit: cover; }
.device-card__title { font-size: 15px; font-weight: 700; color: var(--color-heading); margin-bottom: 8px; }
.device-card__desc { font-size: 13px; color: var(--color-text-sub); line-height: 1.7; }

/* ===========================
   Use Cases Tabs
=========================== */
.usecase-tabs {}
.usecase-tab-nav {
  display: flex; gap: 4px; margin-bottom: 40px;
  border-bottom: 2px solid var(--color-border); padding-bottom: 0;
}
.usecase-tab-btn {
  padding: 12px 28px; font-size: 14px; font-weight: 700; cursor: pointer;
  background: none; border: none; color: var(--color-text-sub); font-family: inherit;
  border-bottom: 3px solid transparent; margin-bottom: -2px; transition: all var(--transition);
}
.usecase-tab-btn:hover { color: var(--color-accent); }
.usecase-tab-btn.active { color: var(--color-accent); border-bottom-color: var(--color-accent); }
.usecase-tab-content { display: none; }
.usecase-tab-content.active { display: block; }
.usecase-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.usecase-card {
  background: var(--color-surface); border-radius: var(--radius-md); overflow: hidden;
  box-shadow: var(--color-shadow-soft); transition: all var(--transition);
}
.usecase-card:hover { transform: translateY(-5px); box-shadow: var(--color-shadow); }
.usecase-card__img img { width: 100%; height: 220px; object-fit: cover; }
.usecase-card__body { padding: 24px; }
.usecase-tag {
  display: inline-flex; padding: 4px 12px; border-radius: var(--radius-pill);
  font-size: 12px; font-weight: 700; margin-bottom: 10px;
}
.usecase-tag--blue { background: #edf3ff; color: #2d5bd1; }
.usecase-tag--green { background: #e8faf2; color: #1a8c54; }
.usecase-tag--orange { background: #fff3e8; color: #c4621a; }
.usecase-card__title { font-size: 17px; font-weight: 700; color: var(--color-heading); margin-bottom: 8px; }
.usecase-card__desc { font-size: 14px; color: var(--color-text-sub); line-height: 1.75; }
.usecase-desc-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.usecase-desc-block__img { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--color-shadow); }
.usecase-desc-block__img img { width: 100%; height: 380px; object-fit: cover; }
.usecase-desc-block__text h3 { font-size: 24px; font-weight: 800; color: var(--color-heading); margin-bottom: 20px; }
.usecase-desc-block__text p { font-size: 15px; color: var(--color-text-sub); line-height: 1.85; margin-bottom: 16px; }

/* ===========================
   Evidence
=========================== */
.evidence-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.evidence-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); padding: 24px 20px;
  border-left: 4px solid var(--color-accent); transition: all var(--transition);
}
.evidence-card:hover { box-shadow: var(--color-shadow-soft); }
.evidence-card__year {
  font-size: 12px; font-weight: 700; color: var(--color-accent);
  letter-spacing: 0.05em; margin-bottom: 8px;
}
.evidence-card__title { font-size: 14px; color: var(--color-heading); font-weight: 600; line-height: 1.6; }

/* ===========================
   Org / About Company
=========================== */
.org-wrap {
  display: grid; grid-template-columns: 1.5fr 1fr; gap: 80px; align-items: center;
}
.org-desc { font-size: 15px; color: var(--color-text-sub); line-height: 1.85; margin-bottom: 32px; }
.org-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.org-table th, .org-table td {
  padding: 12px 16px; border-bottom: 1px solid var(--color-border); text-align: left;
}
.org-table th { font-weight: 700; color: var(--color-text-sub); width: 100px; white-space: nowrap; }
.org-table td { color: var(--color-text); line-height: 1.6; }
.org-logo img { width: 100%; max-width: 400px; height: auto; object-fit: contain; }

/* ===========================
   Flow / Steps
=========================== */
.flow-steps {
  display: flex; align-items: flex-start; gap: 0;
  margin-bottom: 56px; position: relative;
}
.flow-step {
  flex: 1; text-align: center; padding: 0 16px;
}
.flow-connector {
  flex-shrink: 0; font-size: 24px; color: var(--color-accent); margin-top: 28px;
  padding: 0 8px;
}
.flow-step__num {
  display: inline-block; font-size: 11px; font-weight: 700; color: var(--color-accent);
  letter-spacing: 0.1em; margin-bottom: 12px; background: var(--color-accent-light);
  padding: 4px 12px; border-radius: var(--radius-pill);
}
.flow-step__icon { font-size: 36px; margin-bottom: 14px; }
.flow-step__title { font-size: 17px; font-weight: 700; color: var(--color-heading); margin-bottom: 10px; line-height: 1.5; }
.flow-step__desc { font-size: 13px; color: var(--color-text-sub); line-height: 1.7; }
.demo-cta-box {
  display: flex; align-items: center; gap: 24px;
  background: linear-gradient(135deg, var(--color-accent-light), #f0f7ff);
  border: 2px dashed var(--color-accent); border-radius: var(--radius-md); padding: 36px 40px;
}
.demo-cta-box__icon { font-size: 40px; flex-shrink: 0; }
.demo-cta-box__content { flex: 1; }
.demo-cta-box__title { font-size: 20px; font-weight: 800; color: var(--color-heading); margin-bottom: 8px; }
.demo-cta-box__desc { font-size: 14px; color: var(--color-text-sub); line-height: 1.75; }

/* ===========================
   Plan / Price Notice
=========================== */
.price-notice {
  display: flex; align-items: flex-start; gap: 24px;
  background: var(--color-surface); border: 2px solid var(--color-accent);
  border-radius: var(--radius-md); padding: 40px; margin-bottom: 48px;
  box-shadow: 0 8px 24px rgba(0,102,204,0.08);
}
.price-notice__icon { font-size: 36px; flex-shrink: 0; }
.price-notice__title { font-size: 22px; font-weight: 800; color: var(--color-heading); margin-bottom: 12px; }
.price-notice__desc { font-size: 15px; color: var(--color-text-sub); line-height: 1.85; }
.plan-includes { background: var(--color-bg-alt); border-radius: var(--radius-md); padding: 40px; }
.plan-includes__title { font-size: 18px; font-weight: 700; color: var(--color-heading); margin-bottom: 24px; text-align: center; }
.plan-includes__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.plan-include-item {
  display: flex; align-items: center; gap: 12px;
  font-size: 14px; color: var(--color-text); font-weight: 500;
  background: var(--color-surface); border-radius: var(--radius-xs); padding: 14px 16px;
  border: 1px solid var(--color-border);
}
.plan-include-item__icon { font-size: 20px; flex-shrink: 0; }

/* ===========================
   FAQ
=========================== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-question {
  width: 100%; background: none; border: none; text-align: left;
  padding: 24px 0; font-size: 16px; font-weight: 700; color: var(--color-heading);
  cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; transition: color var(--transition); font-family: inherit;
}
.faq-question:hover { color: var(--color-accent); }
.faq-icon {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%;
  border: 2px solid var(--color-border); display: flex; align-items: center;
  justify-content: center; font-size: 16px; transition: all var(--transition); color: var(--color-text-sub);
}
.faq-item.open .faq-icon {
  background: var(--color-accent); border-color: var(--color-accent);
  color: white; transform: rotate(45deg);
}
.faq-answer { overflow: hidden; max-height: 0; transition: max-height 0.35s ease; }
.faq-answer-inner {
  padding: 0 0 24px; font-size: 15px; color: var(--color-text-sub); line-height: 1.85;
}
.faq-item.open .faq-answer { max-height: 500px; }

/* ===========================
   CTA Section
=========================== */
.cta-section {
  background: linear-gradient(135deg, #0a1628 0%, #1a3a6e 100%);
  padding: var(--section-space) 0; overflow: hidden; position: relative;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(0,102,204,0.15) 0%, transparent 70%);
}
.cta-inner {
  position: relative; z-index: 1; display: flex;
  align-items: center; justify-content: center; gap: 40px;
}
.cta-chara { flex-shrink: 0; }
.cta-chara img { width: 120px; height: 120px; object-fit: contain; filter: drop-shadow(0 8px 20px rgba(0,0,0,0.3)); }
.cta-chara--left img { transform: scaleX(-1); }
.cta-body { text-align: center; flex: 1; max-width: 600px; }
.cta-title {
  font-size: clamp(28px, 3.5vw, 44px); font-weight: 800; color: white;
  line-height: 1.3; margin-bottom: 18px; letter-spacing: -0.5px;
}
.cta-desc { font-size: 16px; color: rgba(255,255,255,0.72); line-height: 1.8; margin-bottom: 36px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 20px; }
.cta-note { font-size: 13px; color: rgba(255,255,255,0.45); }

/* ===========================
   Contact
=========================== */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; }

/* 新レイアウト: 説明ポイント＋CTA */
.contact-points-wrap {
  max-width: 640px;
  margin: 0 auto 48px;
}
.contact-cta-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
  padding: 48px 32px;
  background: var(--color-primary-weak);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-accent-light);
}
.contact-cta-box .btn { min-width: 260px; }
.contact-cta-note {
  font-size: 13px;
  color: var(--color-text-sub);
  margin-top: 4px;
}

.contact-points { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
.contact-point {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--color-bg-alt); border-radius: var(--radius-sm); padding: 18px 20px;
}
.contact-point__icon { font-size: 24px; flex-shrink: 0; }
.contact-point__text { font-size: 14px; color: var(--color-text); line-height: 1.6; }
.contact-point__text strong { display: block; font-size: 15px; color: var(--color-heading); margin-bottom: 4px; }
.contact-img-wrap { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--color-shadow-soft); }
.contact-img-wrap img { width: 100%; height: 200px; object-fit: cover; }
.form-card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); padding: 48px; box-shadow: var(--color-shadow-soft);
}
.form-group { margin-bottom: 22px; }
.form-label { display: block; font-size: 14px; font-weight: 700; color: var(--color-heading); margin-bottom: 7px; }
.form-label span { color: var(--color-red); margin-left: 3px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--color-border);
  border-radius: var(--radius-xs); font-size: 15px; font-family: inherit;
  color: var(--color-text); background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition); outline: none; appearance: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(0,102,204,0.12);
}
.form-textarea { min-height: 140px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-submit { width: 100%; padding: 16px; font-size: 16px; font-weight: 800; margin-top: 8px; }
.form-privacy { font-size: 12px; color: var(--color-text-sub); text-align: center; margin-top: 14px; line-height: 1.6; }

/* ===========================
   Footer
=========================== */
.lp-footer { background: var(--color-primary); color: rgba(255,255,255,0.6); padding: 64px 0 32px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 52px; }
.footer-brand__logo { display: flex; align-items: center; margin-bottom: 16px; text-decoration: none; }
.footer-brand__logo-img { height: 52px; width: auto; max-width: 220px; object-fit: contain; border-radius: 6px; background: #fff; padding: 6px 10px; }
.footer-brand__logo-text { font-size: 20px; font-weight: 800; color: white; }
.footer-brand__desc { font-size: 13px; line-height: 1.8; max-width: 260px; margin-bottom: 20px; }
.footer-chara-row { display: flex; gap: 8px; }
.footer-chara { width: 48px; height: 48px; object-fit: contain; opacity: 0.85; }
.footer-col__title { font-size: 12px; font-weight: 700; color: white; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 18px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-link { font-size: 14px; color: rgba(255,255,255,0.55); text-decoration: none; transition: color var(--transition); }
.footer-link:hover { color: white; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.footer-copyright { font-size: 13px; }
.footer-policies { display: flex; gap: 24px; }
.footer-policy { font-size: 13px; color: rgba(255,255,255,0.45); text-decoration: none; transition: color var(--transition); }
.footer-policy:hover { color: white; }

/* ===========================
   Toast
=========================== */
.toast {
  position: fixed; bottom: 32px; right: 32px; background: #1a2e47; color: white;
  padding: 16px 24px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600;
  box-shadow: 0 12px 36px rgba(0,0,0,0.2); transform: translateY(80px); opacity: 0;
  transition: all 0.35s cubic-bezier(0.34,1.56,0.64,1); z-index: 9999;
  max-width: 380px; display: flex; align-items: center; gap: 12px;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast__icon { font-size: 20px; flex-shrink: 0; }

/* ===========================
   Scroll Animations
=========================== */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: 0.12s; }
.fade-in-delay-2 { transition-delay: 0.24s; }
.fade-in-delay-3 { transition-delay: 0.36s; }

/* ===========================
   Responsive
=========================== */
/* Tighten header so the full nav fits on one line on narrow desktops */
@media (max-width: 1180px) {
  .header-nav { gap: 14px; }
  .header-nav__link { font-size: 13px; }
  .header-logo__text { font-size: 17px; }
  .header-cta { gap: 8px; }
  .header-cta .btn--sm { padding: 8px 12px; font-size: 12px; }
}

@media (max-width: 1024px) {
  :root { --section-space: 80px; }
  /* Header collapses to hamburger menu on tablet / narrow desktop */
  .header-nav {
    display: none; position: absolute; top: var(--header-height);
    left: 0; right: 0; background: #fff; flex-direction: column;
    padding: 24px; border-top: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1); gap: 16px;
  }
  .header-nav.open { display: flex; }
  .header-nav__link { font-size: 15px; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero-inner { gap: 40px; }
  .hero-img-main img { height: 380px; }
  .issue-grid { grid-template-columns: repeat(2, 1fr); }
  .about-wrap { gap: 48px; }
  .games-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .effects-grid { grid-template-columns: repeat(2, 1fr); }
  .evidence-adoption { padding: 32px 36px; gap: 24px; }
  .feature-row { grid-template-columns: 1fr; gap: 36px; }
  .feature-row--reverse .feature-row__media { order: 0; }
  .feature-row--reverse .feature-row__content { order: 0; }
  .feature-row__media img { height: 300px; }
  .chara-grid { grid-template-columns: repeat(4, 1fr); }
  .device-grid { grid-template-columns: repeat(2, 1fr); }
  .usecase-grid { grid-template-columns: 1fr 1fr; }
  .usecase-grid .usecase-card:last-child { grid-column: span 2; }
  .evidence-grid { grid-template-columns: repeat(2, 1fr); }
  .org-wrap { grid-template-columns: 1fr; gap: 40px; }
  .plan-includes__grid { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cta-inner { gap: 24px; }
  .cta-chara img { width: 90px; height: 90px; }
}

@media (max-width: 768px) {
  :root { --header-height: 64px; --section-space: 64px; }
  .header-nav {
    display: none; position: absolute; top: var(--header-height);
    left: 0; right: 0; background: white; flex-direction: column;
    padding: 24px; border-top: 1px solid var(--color-border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1); gap: 16px;
  }
  .header-nav.open { display: flex; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .hero-inner { grid-template-columns: 1fr; padding: 60px 24px; }
  .hero-visual { display: none; }
  .hero-title { font-size: 28px; }
  .hero-actions { flex-direction: column; }
  .achievement-list { gap: 0; }
  .achievement-item { padding: 8px 16px; }
  .achievement-divider { display: none; }
  .issue-grid { grid-template-columns: 1fr; }
  .about-wrap { grid-template-columns: 1fr; gap: 32px; }
  .about-img-main img { height: 250px; }
  .games-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 40px; margin-bottom: 32px; }
  .game-card__name { font-size: 12px; padding: 8px 10px; }
  .effects-grid { grid-template-columns: 1fr; gap: 16px; }
  .evidence-adoption { flex-direction: column; padding: 28px 24px; gap: 20px; }
  .evidence-adoption__stats { gap: 20px; }
  .chara-grid { grid-template-columns: repeat(2, 1fr); }
  .device-grid { grid-template-columns: 1fr; }
  .usecase-grid { grid-template-columns: 1fr; }
  .usecase-grid .usecase-card:last-child { grid-column: span 1; }
  .usecase-desc-block { grid-template-columns: 1fr; gap: 32px; }
  .usecase-desc-block__img img { height: 250px; }
  .evidence-grid { grid-template-columns: 1fr; }
  .flow-steps { flex-direction: column; align-items: center; gap: 24px; }
  .flow-connector { transform: rotate(90deg); margin: 0; }
  .demo-cta-box { flex-direction: column; text-align: center; padding: 28px 24px; }
  .price-notice { flex-direction: column; padding: 28px 24px; }
  .plan-includes__grid { grid-template-columns: 1fr; }
  .form-card { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-policies { flex-wrap: wrap; justify-content: center; }
  .cta-chara { display: none; }
  .cta-actions { flex-direction: column; align-items: center; }
  .toast { bottom: 16px; right: 16px; left: 16px; max-width: none; }
  .usecase-tab-btn { padding: 10px 14px; font-size: 13px; }
}

@media (max-width: 480px) {
  .section-title { font-size: 24px; }
  .hero-badges-row { gap: 8px; }
  .hero-tag { font-size: 11px; padding: 4px 10px; }
  .chara-grid { grid-template-columns: repeat(2, 1fr); }
  .btn--xl { padding: 14px 28px; font-size: 15px; }
  .achievement-item { text-align: center; }
  .achievement-num { font-size: 18px; }
  .games-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .effect-card { padding: 24px 18px; }
  .effect-card__value { font-size: 24px; }
  .evidence-adoption__stat-num { font-size: 22px; }
  .evidence-adoption__stats { gap: 14px; }
}