/* ==============================================
   LISPO owners LP - Styles
   ============================================== */

:root {
  /* Brand Primary */
  --color-primary: #1B6C58;
  --color-primary-deep: #112B23;
  --color-primary-darkest: #0F332A;

  /* Base */
  --color-bg: #FFFFFF;
  --color-bg-soft: #F7F5F0;

  /* Text */
  --color-text-primary: #112B23;
  --color-text-secondary: #334155;
  --color-text-muted: #475569;
  --color-text-caption: #64748B;

  /* Dividers */
  --color-border: #E2E8F0;

  /* Accents */
  --color-accent-mint: #A7F3D0;
  --color-accent-yellow: #FEF08A;
  --color-accent-rose: #E11D48;

  /* Fonts */
  --font-jp: 'Noto Sans JP', system-ui, sans-serif;
  --font-en: 'Inter', system-ui, sans-serif;
  --font-display: 'Fraunces', 'Playfair Display', serif;

  /* Shadows */
  --shadow-card: 0 2px 20px rgba(17, 43, 35, 0.06);
  --shadow-image: 0 40px 80px rgba(17, 43, 35, 0.18);
  --shadow-cta-hover: 0 12px 32px rgba(254, 240, 138, 0.3);

  /* Layout */
  --max-width: 1200px;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-jp);
  color: var(--color-text-primary);
  background: var(--color-bg);
  line-height: 1.8;
  font-weight: 400;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* Container */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
}

/* Reveal animation base
   Default = fully visible (fail-safe: works even if JS is disabled/blocked).
   JS opts-in by adding .js-reveal-ready to <html>, which then hides
   .reveal elements until they receive .is-visible via IntersectionObserver. */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
              transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}
.js-reveal-ready .reveal {
  opacity: 0;
  transform: translateY(20px);
}
.js-reveal-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================
   Header
   ========================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  height: 72px;
  background: rgba(255, 255, 255, 0);
  border-bottom: 1px solid transparent;
  transition: background 250ms ease, border-color 250ms ease, backdrop-filter 250ms ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo {
  font-weight: 900;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--color-primary-deep);
  display: flex;
  align-items: center;
  gap: 6px;
}
.logo-mark {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--color-primary);
}
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: color 200ms ease;
}
.nav-link:hover { color: var(--color-primary); }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 14px;
  transition: background 200ms ease, transform 200ms ease;
}
.btn-primary:hover {
  background: var(--color-primary-deep);
}
.btn-primary .arrow {
  transition: transform 200ms ease;
}
.btn-primary:hover .arrow {
  transform: translateX(3px);
}

.mobile-menu-toggle { display: none; }

@media (max-width: 900px) {
  .nav { display: none; }
  .header-cta { padding: 10px 16px; font-size: 13px; }
}

/* =========================================
   Section 1 - Hero
   ========================================= */
.hero {
  position: relative;
  padding: 96px 0 120px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 56px;
  align-items: center;
}
.hero-left { position: relative; z-index: 2; }
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-accent-mint);
  color: var(--color-primary-deep);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 700;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}
.trust-badge .dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: var(--color-primary);
}
.hero h1 {
  font-family: var(--font-jp);
  font-weight: 900;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.3;
  letter-spacing: -0.04em;
  color: var(--color-primary-deep);
  margin-bottom: 24px;
  text-wrap: balance;
}
.hero h1 .accent {
  color: var(--color-primary);
}
.hero-sub {
  font-weight: 700;
  font-size: clamp(18px, 2vw, 24px);
  color: var(--color-primary);
  line-height: 1.6;
  margin-bottom: 20px;
}
.hero-desc {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text-secondary);
  max-width: 540px;
  margin-bottom: 36px;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 16px;
  padding: 18px 32px;
  border-radius: 10px;
  transition: background 200ms ease, transform 200ms ease, box-shadow 200ms ease;
  box-shadow: 0 6px 20px rgba(27, 108, 88, 0.25);
}
.btn-cta-primary:hover {
  background: var(--color-primary-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(27, 108, 88, 0.35);
}
.btn-cta-primary:hover .arrow { transform: translateX(3px); }
.btn-cta-primary .arrow { transition: transform 200ms ease; }

.btn-cta-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--color-primary-deep);
  font-weight: 700;
  font-size: 16px;
  padding: 16px 30px;
  border-radius: 10px;
  border: 1.5px solid var(--color-primary-deep);
  transition: background 200ms ease, color 200ms ease;
}
.btn-cta-ghost:hover {
  background: var(--color-primary-deep);
  color: #fff;
}

.hero-trust-bar {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary-deep);
}
.trust-item svg {
  width: 22px; height: 22px;
  stroke: var(--color-primary);
}

/* Hero Right - App image */
.hero-right {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 620px;
}
.hero-blob {
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0.18;
  filter: blur(80px);
  z-index: 0;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.hero-deco-circle {
  position: absolute;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-accent-mint);
  top: 40px;
  right: 20px;
  z-index: 1;
}
.hero-deco-line {
  position: absolute;
  width: 4px;
  height: 80px;
  background: var(--color-accent-yellow);
  bottom: 80px;
  left: 30px;
  z-index: 1;
  border-radius: 4px;
}
.hero-app-image {
  position: relative;
  z-index: 2;
  max-width: 360px;
  width: 100%;
  filter: drop-shadow(0 40px 80px rgba(17, 43, 35, 0.22));
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* =========================================
   Section 2 - Reasons
   ========================================= */
.reasons {
  padding: 120px 0;
  background: #fff;
}
.section-head {
  text-align: center;
  margin-bottom: 64px;
}
.section-label {
  display: inline-block;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-jp);
  font-weight: 900;
  font-size: clamp(30px, 3.5vw, 44px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--color-primary-deep);
  margin-bottom: 20px;
}
.section-lead {
  font-size: 17px;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto;
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.reason-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color 200ms ease, transform 200ms ease, box-shadow 200ms ease;
}
.reason-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(17, 43, 35, 0.08);
}
.reason-label {
  display: block;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 20px;
}
.reason-icon {
  width: 48px; height: 48px;
  stroke: var(--color-primary);
  stroke-width: 1.5;
  fill: none;
  margin-bottom: 20px;
}
.reason-title {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.55;
  color: var(--color-primary-deep);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
.reason-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* =========================================
   Bridge - Visual Bridge
   ========================================= */
.bridge {
  background: var(--color-bg-soft);
  padding: 100px 0;
}
.bridge-head {
  text-align: center;
  margin-bottom: 48px;
}
.bridge-head .section-label { color: var(--color-primary); }
.bridge-title {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.5;
  color: var(--color-primary-deep);
  margin-bottom: 12px;
}
.bridge-desc {
  font-size: 15px;
  color: var(--color-text-muted);
}

.bridge-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: stretch;
  max-width: 900px;
  margin: 0 auto;
}
.bridge-photo {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 12px 40px rgba(17, 43, 35, 0.1);
}
.bridge-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.photo-caption {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 320px;
  background: rgba(17, 43, 35, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 14px 18px;
  border-radius: 12px;
}
.photo-caption .cap-label {
  display: block;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--color-accent-mint);
  margin-bottom: 4px;
}
.photo-caption .cap-text {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
  line-height: 1.5;
}

/* =========================================
   Section 3 - Revenue Simulation
   ========================================= */
.revenue {
  position: relative;
  background: var(--color-primary-deep);
  padding: 140px 0;
  color: #fff;
  overflow: hidden;
}
.revenue::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(27, 108, 88, 0.3), transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(167, 243, 208, 0.05), transparent 60%);
  pointer-events: none;
}
.revenue .container { position: relative; z-index: 2; }
.revenue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.revenue-left .section-label {
  color: var(--color-accent-mint);
}
.revenue-title {
  font-family: var(--font-jp);
  font-weight: 900;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 1.3;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}
.revenue-note {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 520px;
}
.revenue-right {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.big-number {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-accent-yellow);
  line-height: 1;
}
.big-number .yen {
  font-size: clamp(48px, 6vw, 80px);
  flex-shrink: 0;
}
.big-number .num {
  font-size: clamp(72px, 10vw, 128px);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
  display: inline-block;
  min-width: 5.4ch;
  text-align: left;
}
.big-number-label {
  margin-top: 12px;
  font-size: 16px;
  color: var(--color-accent-mint);
  font-weight: 500;
}
.calc-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 28px 32px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.calc-title {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}
.calc-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
}
.calc-row .val { font-family: var(--font-display); font-weight: 700; font-size: 17px; }
.calc-row.minus .val { color: var(--color-accent-rose); }
.calc-divider {
  border-top: 1px dashed rgba(255, 255, 255, 0.2);
  margin: 8px 0;
}
.calc-row.subtotal .val { color: #fff; font-size: 20px; }
.calc-row.total {
  padding-top: 12px;
}
.calc-row.total .label { color: #fff; font-weight: 700; font-size: 16px; }
.calc-row.total .val { color: var(--color-accent-yellow); font-size: 24px; }

/* =========================================
   Section 4 - Case Study
   ========================================= */
.case-study {
  padding: 120px 0;
  background: #fff;
}
.case-grid {
  display: grid;
  grid-template-columns: 45% 55%;
  gap: 64px;
  align-items: center;
}
.case-image {
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: 0 20px 60px rgba(17, 43, 35, 0.12);
}
.case-image img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.case-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-bg-soft);
  color: var(--color-primary-deep);
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.case-sublabel {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}
.case-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(32px, 3.5vw, 44px);
  color: var(--color-primary-deep);
  line-height: 1.2;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}
.ba-card {
  padding: 24px;
  border-radius: 12px;
  margin-bottom: 16px;
}
.ba-card.before { background: var(--color-bg-soft); }
.ba-card.after {
  background: var(--color-accent-mint);
  padding: 28px;
  border-left: 4px solid var(--color-primary);
}
.ba-label {
  display: block;
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}
.ba-card.after .ba-label { color: var(--color-primary-darkest); font-size: 13px; }
.ba-body {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-secondary);
}
.ba-card.after .ba-body {
  color: var(--color-primary-deep);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.85;
}


/* =========================================
   Section 5 - Steps
   ========================================= */
.steps {
  padding: 120px 0;
  background: var(--color-bg-soft);
  position: relative;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
}
.step-card {
  background: #fff;
  border-radius: 20px;
  padding: 40px 32px;
  box-shadow: var(--shadow-card);
  position: relative;
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.step-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(17, 43, 35, 0.1);
}
.step-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 88px;
  line-height: 1;
  color: var(--color-primary);
  opacity: 0.85;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.step-label {
  display: block;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.step-title {
  font-family: var(--font-jp);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.5;
  color: var(--color-primary-deep);
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.step-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.step-visual {
  width: 100%;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: var(--color-bg-soft);
  overflow: hidden;
  margin-top: 8px;
}
.step-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}
.step-card:hover .step-visual img {
  transform: scale(1.03);
}
/* Step connector line */
.steps-grid::before {
  content: '';
  position: absolute;
  top: 88px;
  left: 12%;
  right: 12%;
  border-top: 2px dashed var(--color-primary);
  opacity: 0.25;
  z-index: 0;
  pointer-events: none;
}
.step-card { position: relative; z-index: 1; }

/* =========================================
   Section 6 - Final CTA
   ========================================= */
.final-cta {
  position: relative;
  background: var(--color-primary-deep);
  color: #fff;
  padding: 140px 0;
  text-align: center;
  overflow: hidden;
}
.final-cta .container { position: relative; z-index: 2; max-width: 800px; }
.backdrop-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(200px, 30vw, 400px);
  color: rgba(255, 255, 255, 0.035);
  z-index: 0;
  white-space: nowrap;
  letter-spacing: -0.05em;
  pointer-events: none;
  user-select: none;
}
.final-cta .section-label { color: var(--color-accent-mint); }
.final-cta h2 {
  font-family: var(--font-jp);
  font-weight: 900;
  font-size: clamp(28px, 3.5vw, 44px);
  line-height: 1.4;
  color: #fff;
  margin: 12px 0 20px;
  letter-spacing: -0.02em;
}
.final-cta h2 .accent-yellow { color: var(--color-accent-yellow); }
.final-cta .cta-lead {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 36px;
  text-align: center;
}

/* 3 relief points on final CTA */
.cta-points {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 0 auto 40px;
  padding: 0;
  max-width: 640px;
  text-align: left;
}
.cta-points li {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.cta-point-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 24px;
  color: var(--color-accent-yellow);
  line-height: 1;
  flex-shrink: 0;
  padding-top: 2px;
  min-width: 32px;
}
.cta-point-title {
  font-weight: 700;
  font-size: 15.5px;
  color: #fff;
  line-height: 1.55;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}
.cta-point-desc {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.7;
}
.btn-cta-huge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--color-accent-yellow);
  color: var(--color-primary-deep);
  font-weight: 700;
  font-size: 18px;
  padding: 22px 48px;
  border-radius: 12px;
  transition: background 200ms ease, transform 200ms ease, box-shadow 200ms ease;
}
.btn-cta-huge:hover {
  background: #FDE047;
  transform: translateY(-2px);
  box-shadow: var(--shadow-cta-hover);
}
.btn-cta-huge:hover .arrow { transform: translateX(3px); }
.btn-cta-huge .arrow { transition: transform 200ms ease; }
.cta-note {
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

/* =========================================
   Footer
   ========================================= */
.site-footer {
  background: var(--color-primary-darkest);
  color: rgba(255, 255, 255, 0.8);
  padding: 64px 0 32px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 24px;
}
.footer-brand .logo { color: #fff; margin-bottom: 12px; }
.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  max-width: 380px;
}
.footer-links {
  display: flex;
  gap: 28px;
  align-items: center;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color 200ms ease;
}
.footer-links a:hover { color: #fff; }
.footer-copy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

/* =========================================
   Responsive
   ========================================= */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { min-height: 500px; }
  .reason-grid { grid-template-columns: repeat(2, 1fr); }
  .revenue-grid { grid-template-columns: 1fr; gap: 48px; }
  /* On mobile, image comes AFTER the content (below the AFTER card) */
  .case-grid {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }
  .case-content { order: 1; }
  .case-image { order: 2; max-width: 480px; aspect-ratio: 4/3; margin: 0 auto; }
  .bridge-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 20px; }
  .steps-grid::before { display: none; }
}

@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .hero { padding: 40px 0 80px; }
  .hero h1 { font-size: 40px; }
  .hero-right { min-height: 420px; }
  .hero-app-image { max-width: 280px; }
  .hero-blob { width: 320px; height: 320px; }
  .reasons, .case-study, .steps, .bridge { padding: 80px 0; }
  .revenue, .final-cta { padding: 100px 0; }
  .reason-grid { grid-template-columns: 1fr; }
  .revenue-grid { gap: 40px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .site-header { height: 60px; }
  .header-inner { padding: 0 20px; }
  .logo { font-size: 17px; }
  .hero-ctas .btn-cta-primary,
  .hero-ctas .btn-cta-ghost { width: 100%; justify-content: center; }
  /* Compact 3 Steps on mobile — shrink big number, padding, visual */
  .steps { padding: 60px 0; }
  .steps-grid { gap: 14px; }
  .step-card { padding: 24px 22px; border-radius: 16px; }
  .step-num {
    font-size: 44px;
    margin-bottom: 4px;
    opacity: 0.75;
    position: absolute;
    top: 20px;
    right: 22px;
    margin: 0;
  }
  .step-label { margin-bottom: 8px; font-size: 10px; }
  .step-title { font-size: 17px; margin-bottom: 10px; padding-right: 60px; }
  .step-body { font-size: 13.5px; line-height: 1.75; margin-bottom: 14px; }
  .step-visual {
    aspect-ratio: 16/9;
    border-radius: 10px;
    margin-top: 0;
  }
  /* Final CTA — compact on mobile */
  .cta-points li { padding: 16px 18px; gap: 14px; }
  .cta-point-num { font-size: 20px; min-width: 26px; }
  .cta-point-title { font-size: 14.5px; }
  .cta-point-desc { font-size: 12.5px; }
  .final-cta .cta-lead { font-size: 15px; margin-bottom: 28px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 34px; }
  .revenue-title { font-size: 28px; }
  .big-number .num { font-size: 64px; }
  .big-number .yen { font-size: 40px; }
}
