/* ============================================================
   UNICORN Inc. — Design System v5
   "The world's finest corporate website"
   Inspired by: Linear, Vercel, Stripe, Raycast, Framer, Notion
   ============================================================ */

/* ─── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

/* ─── CSS Custom Properties ─────────────────────────────────── */
:root {
  /* ── Colors ── */
  --black:      #1a1a2e;
  --white:      #ffffff;

  /* Warm off-white grays — 黒みを抜いて温かみを */
  --gray-25:    #fefefe;
  --gray-50:    #faf9f7;
  --gray-100:   #f4f2ef;
  --gray-150:   #ece9e4;
  --gray-200:   #dedad3;
  --gray-300:   #c4bfb6;
  --gray-400:   #9d9890;
  --gray-500:   #736e67;
  --gray-600:   #57534e;
  --gray-700:   #3d3935;
  --gray-800:   #28251f;
  --gray-850:   #1e1b16;
  --gray-900:   #141210;
  --gray-950:   #0d0b08;

  /* Brand accent — Vivid Sky (明るいシアン→ブルー系) */
  --accent:           #0ea5e9;
  --accent-light:     #38bdf8;
  --accent-dark:      #0284c7;
  --accent-subtle:    rgba(14,165,233,0.09);
  --accent-glow:      0 0 40px rgba(14,165,233,0.3);

  /* Secondary accent — warm coral */
  --accent2:          #f97316;
  --accent2-light:    #fb923c;
  --accent2-dark:     #ea580c;

  /* Surfaces — 温かみのある白ベース */
  --surface-0:    #ffffff;
  --surface-1:    #faf9f7;
  --surface-2:    #f4f2ef;
  --surface-3:    #ece9e4;
  /* ダーク系をインディゴ→ディープブルーに */
  --surface-dark:   #0f172a;
  --surface-dark-2: #1e293b;
  --surface-dark-3: #0ea5e9;

  /* Borders */
  --border-light:  rgba(0,0,0,0.06);
  --border-base:   rgba(0,0,0,0.1);
  --border-dark:   rgba(255,255,255,0.1);
  --border-dark-2: rgba(255,255,255,0.16);

  /* Typography */
  --font-sans: 'Inter', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-ja:   'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Yu Gothic', sans-serif;

  /* Tracking */
  --tracking-tight: -0.04em;
  --tracking-snug:  -0.025em;
  --tracking-base:  -0.01em;

  /* Layout */
  --max-w:     1200px;
  --header-h:  60px;
  --section-y: clamp(80px, 10vw, 140px);

  /* Easing — Penner-quality */
  --ease-spring:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out:     cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out:  cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce:  cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-expo:    cubic-bezier(0.19, 1, 0.22, 1);

  /* Duration */
  --dur-instant: 80ms;
  --dur-fast:    140ms;
  --dur-base:    220ms;
  --dur-slow:    350ms;
  --dur-xl:      600ms;
  --dur-2xl:     900ms;

  /* Radius */
  --r-xs:   4px;
  --r-sm:   8px;
  --r-md:   12px;
  --r-lg:   18px;
  --r-xl:   24px;
  --r-2xl:  32px;
  --r-full: 9999px;

  /* Shadow system */
  --shadow-xs:   0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:   0 4px 8px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg:   0 12px 24px rgba(0,0,0,0.08), 0 4px 8px rgba(0,0,0,0.04);
  --shadow-xl:   0 24px 48px rgba(0,0,0,0.1), 0 8px 16px rgba(0,0,0,0.06);
  --shadow-2xl:  0 48px 96px rgba(0,0,0,0.14), 0 16px 32px rgba(0,0,0,0.08);
  --shadow-card: 0 1px 1px rgba(0,0,0,0.03), 0 4px 16px rgba(0,0,0,0.05), 0 0 0 1px rgba(0,0,0,0.04);
  --shadow-inset: inset 0 1px 0 rgba(255,255,255,0.08);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'kern' 1, 'liga' 1, 'calt' 1;
}

body {
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 1.75;
  color: var(--gray-700);
  background: var(--white);
  overflow-x: hidden;
}


img, video { display: block; max-width: 100%; height: auto; }
svg { display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}
button { cursor: pointer; border: none; background: none; }

/* ─── Utility ─────────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
}

/* ─── Custom Cursor (disabled) ───────────────────────────────── */
.c-cursor,
.c-cursor-ring {
  display: none;
}

/* ─── Reveal Animations (Progressive Enhancement) ─────────────── */
.reveal {
  opacity: 1;
  transform: none;
  transition:
    opacity var(--dur-xl) var(--ease-spring),
    transform var(--dur-xl) var(--ease-spring);
}
.reveal.will-reveal { opacity: 0; transform: translateY(18px); }
.reveal.will-reveal.is-visible { opacity: 1; transform: none; }

.reveal-x { opacity: 1; transform: none; transition: opacity var(--dur-xl) var(--ease-spring), transform var(--dur-xl) var(--ease-spring); }
.reveal-x.will-reveal { opacity: 0; transform: translateX(-18px); }
.reveal-x.will-reveal.is-visible { opacity: 1; transform: none; }

.reveal-scale { opacity: 1; transform: none; transition: opacity var(--dur-xl) var(--ease-spring), transform var(--dur-xl) var(--ease-spring); }
.reveal-scale.will-reveal { opacity: 0; transform: scale(0.97); }
.reveal-scale.will-reveal.is-visible { opacity: 1; transform: none; }

.reveal-delay-1 { transition-delay: 60ms; }
.reveal-delay-2 { transition-delay: 120ms; }
.reveal-delay-3 { transition-delay: 180ms; }
.reveal-delay-4 { transition-delay: 240ms; }
.reveal-delay-5 { transition-delay: 320ms; }
.reveal-delay-6 { transition-delay: 400ms; }

/* ─── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 18px;
  height: 38px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: -0.01em;
  border-radius: var(--r-sm);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition:
    background var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    transform var(--dur-fast) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    opacity var(--dur-base) var(--ease-out);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.98) translateY(0); }
.btn svg { flex-shrink: 0; transition: transform var(--dur-base) var(--ease-spring); }
.btn:hover .icon-arrow { transform: translate(2px, -2px); }

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 1px 2px rgba(14,165,233,0.3), 0 4px 12px rgba(14,165,233,0.2);
}
.btn-primary:hover {
  background: var(--accent-dark);
  box-shadow: 0 4px 20px rgba(14,165,233,0.4), 0 2px 6px rgba(14,165,233,0.25);
}

.btn-secondary {
  background: var(--white);
  color: var(--gray-800);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
  box-shadow: var(--shadow-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
}
.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.btn-white {
  background: var(--white);
  color: var(--black);
  box-shadow: 0 1px 2px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.06);
}
.btn-white:hover {
  background: var(--gray-50);
  box-shadow: 0 4px 12px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.06);
}

.btn-accent {
  background: var(--accent2);
  color: var(--white);
  box-shadow: 0 2px 8px rgba(249,115,22,0.35), var(--shadow-inset);
}
.btn-accent:hover {
  background: var(--accent2-dark);
  box-shadow: 0 4px 20px rgba(249,115,22,0.45), var(--shadow-inset);
}

.btn-lg {
  height: 46px;
  padding: 0 26px;
  font-size: 14.5px;
  border-radius: var(--r-md);
}

.btn-xl {
  height: 54px;
  padding: 0 32px;
  font-size: 15px;
  border-radius: var(--r-lg);
  gap: 10px;
}

/* ─── Tags / Labels ───────────────────────────────────────────── */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 10px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--r-full);
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}

.section-label {
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 16px;
}

/* ─── Typography Scale ────────────────────────────────────────── */
.display-1 {
  font-family: var(--font-sans);
  font-size: clamp(52px, 7vw, 100px);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: var(--tracking-tight);
  color: var(--gray-950);
}

.display-2 {
  font-family: var(--font-sans);
  font-size: clamp(40px, 5.5vw, 76px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: var(--tracking-tight);
  color: var(--gray-950);
}

.heading-1 {
  font-family: var(--font-ja);
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: var(--tracking-snug);
  color: var(--gray-950);
}

.heading-2 {
  font-family: var(--font-ja);
  font-size: clamp(24px, 3vw, 40px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: var(--tracking-snug);
  color: var(--gray-950);
}

.heading-3 {
  font-family: var(--font-ja);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--gray-900);
}

.body-lead {
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.75;
  color: var(--gray-600);
}

/* ─── Section layouts ─────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.section-header .section-label {
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-ja);
  font-size: clamp(28px, 3.5vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: var(--tracking-snug);
  color: var(--gray-950);
  margin-bottom: 16px;
}

.section-body {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0 auto;
}

/* ─── Divider ──────────────────────────────────────────────────── */
.divider {
  width: 40px; height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin: 20px 0;
}

/* ─── HEADER ──────────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  transition: background var(--dur-slow) var(--ease-out),
              box-shadow var(--dur-slow) var(--ease-out),
              border-color var(--dur-slow) var(--ease-out);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,1);
  backdrop-filter: blur(0px) saturate(1);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
  transition: background var(--dur-slow) var(--ease-out),
              backdrop-filter var(--dur-slow) var(--ease-out),
              border-color var(--dur-slow) var(--ease-out),
              box-shadow var(--dur-slow) var(--ease-out);
  z-index: -1;
}

.site-header.is-scrolled::before {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px) saturate(1.8);
  border-color: var(--border-light);
  box-shadow: 0 1px 12px rgba(0,0,0,0.06);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* Logo */
.site-logo a {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--dur-base) var(--ease-bounce);
}
.site-logo a:hover .logo-mark {
  transform: rotate(-8deg) scale(1.05);
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.logo-text-ja {
  font-family: var(--font-ja);
  font-size: 11px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.2;
  letter-spacing: 0.03em;
}
.logo-text-en {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 500;
  color: var(--gray-400);
  line-height: 1.2;
  letter-spacing: 0.06em;
}

/* Desktop Nav */
.header-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0;
  margin-left: 8px;
  flex: 1;
}

.header-nav a {
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 450;
  color: var(--gray-600);
  padding: 6px 14px;
  border-radius: var(--r-sm);
  letter-spacing: -0.01em;
  transition: color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.header-nav a:hover {
  color: var(--gray-900);
  background: var(--gray-100);
}
.header-nav a.is-active {
  color: var(--gray-900);
  font-weight: 500;
}

.header-cta {
  margin-left: auto;
  flex-shrink: 0;
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  width: 36px; height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--gray-700);
  transition: background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out);
  margin-left: auto;
}
.nav-toggle:hover { background: var(--gray-100); color: var(--gray-900); }
.nav-toggle svg { pointer-events: none; }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(24px);
  flex-direction: column;
  align-items: flex-start;
  padding: calc(var(--header-h) + 32px) clamp(20px, 6vw, 48px) 48px;
  gap: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-slow) var(--ease-out),
              visibility var(--dur-slow) var(--ease-out);
}
.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav a {
  font-family: var(--font-ja);
  font-size: clamp(24px, 6vw, 36px);
  font-weight: 700;
  color: var(--gray-900);
  padding: 12px 0;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--gray-150);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--dur-fast) var(--ease-out);
}
.mobile-nav a::after {
  content: '→';
  font-size: 0.65em;
  color: var(--gray-400);
}
.mobile-nav a:hover { color: var(--accent); }

.mobile-nav-cta {
  margin-top: 32px;
  width: 100%;
}
.mobile-nav-cta .btn {
  width: 100%;
}

.mobile-nav-close {
  position: absolute;
  top: 16px; right: clamp(20px, 4vw, 56px);
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  color: var(--gray-600);
  transition: background var(--dur-fast) var(--ease-out);
}
.mobile-nav-close:hover { background: var(--gray-100); }

@media (max-width: 860px) {
  .header-nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .mobile-nav { display: flex; }
}

/* ─── HERO ─────────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  padding-top: var(--header-h);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  background: var(--white);
}

/* Background layers */
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.hero-noise {
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  background-size: 200px 200px;
  opacity: 0.4;
  z-index: 1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.035) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
  z-index: 0;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: orbFloat 12s ease-in-out infinite;
}
.hero-orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.18) 0%, transparent 70%);
  top: -15%; left: -10%;
  animation-duration: 14s;
}
.hero-orb-2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(139,92,246,0.12) 0%, transparent 70%);
  top: 20%; right: -10%;
  animation-duration: 11s;
  animation-delay: -5s;
}
.hero-orb-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(59,130,246,0.1) 0%, transparent 70%);
  bottom: 10%; left: 30%;
  animation-duration: 16s;
  animation-delay: -8s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -20px) scale(1.04); }
  66%       { transform: translate(-20px, 15px) scale(0.97); }
}

/* Hero inner layout */
.hero-inner {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: clamp(48px, 7vw, 100px) clamp(20px, 4vw, 56px);
  position: relative;
  z-index: 1;
}

/* Hero copy */
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  padding: 0 12px 0 6px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-full);
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
}
.hero-eyebrow-dot {
  width: 18px; height: 18px;
  background: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hero-eyebrow-pulse {
  display: inline-block;
  width: 7px; height: 7px;
  background: #22c55e;
  border-radius: 50%;
  position: relative;
}
.hero-eyebrow-pulse::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: rgba(34,197,94,0.25);
  animation: pulseRing 2s ease-out infinite;
}
@keyframes pulseRing {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2); opacity: 0; }
}
.hero-eyebrow-text {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-600);
  letter-spacing: -0.01em;
}

.hero-title {
  font-family: var(--font-sans);
  font-size: clamp(54px, 6.5vw, 96px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.05em;
  color: var(--gray-950);
  margin-bottom: 16px;
}

.hero-title-ja {
  font-family: var(--font-ja);
  font-size: clamp(20px, 2.8vw, 36px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--gray-700);
  margin-bottom: 28px;
}

.hero-desc {
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--gray-500);
  margin-bottom: 36px;
  max-width: 400px;
}

.hero-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Hero visual */
.hero-visual {
  position: relative;
}

.hero-img-wrap {
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  aspect-ratio: 4/3;
  background: var(--gray-100);
  position: relative;
}
.hero-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}
.hero-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.08);
  border-radius: inherit;
  pointer-events: none;
}

/* Floating cards */
.hero-card {
  position: absolute;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(24px) saturate(1.8);
  border-radius: var(--r-lg);
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(0,0,0,0.04);
  padding: 14px 18px;
  white-space: nowrap;
  pointer-events: none;
}

.hero-card-1 {
  bottom: -16px; left: -20px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: floatA 6s ease-in-out infinite;
}
.hero-card-icon-wrap {
  width: 38px; height: 38px;
  background: var(--black);
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.hero-card-info strong {
  display: block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-900);
  letter-spacing: -0.01em;
}
.hero-card-info span {
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--gray-500);
  letter-spacing: 0.01em;
}

.hero-card-2 {
  top: 20px; right: -16px;
  animation: floatB 7s ease-in-out infinite;
}
.card2-label {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 8px;
}
.card2-badges {
  display: flex;
  gap: 6px;
}
.card2-badge {
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--r-full);
  background: var(--gray-950);
  color: var(--white);
  letter-spacing: 0.01em;
}

@keyframes floatA {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(6px, -8px); }
}
@keyframes floatB {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(-4px, 8px); }
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}
.hero-scroll span {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-400);
}
.hero-scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, transparent, var(--gray-300));
  position: relative;
  overflow: hidden;
}
.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(to bottom, transparent, var(--accent), transparent);
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { top: -100%; }
  100% { top: 100%; }
}

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    padding-top: clamp(32px, 5vw, 64px);
    padding-bottom: clamp(60px, 8vw, 100px);
  }
  .hero-copy { order: 1; align-items: flex-start; }
  .hero-visual { order: 2; }
  .hero-title { font-size: clamp(44px, 10vw, 72px); }
  .hero-card-1 { left: 12px; bottom: -12px; }
  .hero-card-2 { right: 12px; top: 12px; }
}
@media (max-width: 540px) {
  .hero-title { font-size: 42px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}

/* ─── TICKER ───────────────────────────────────────────────────── */
.ticker {
  overflow: hidden;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  background: var(--gray-25);
  padding: 14px 0;
  position: relative;
  z-index: 1;
}

.ticker-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: tickerScroll 28s linear infinite;
}

.ticker-item {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gray-500);
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 32px;
  white-space: nowrap;
  flex-shrink: 0;
}
.ticker-item::after {
  content: '';
  display: block;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: var(--gray-300);
  flex-shrink: 0;
}

@keyframes tickerScroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ─── INTRO / ABOUT SECTION ───────────────────────────────────── */
.intro-section {
  padding: var(--section-y) 0;
  background: var(--white);
}

.intro-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 7vw, 100px);
  align-items: center;
}

.intro-visual {
  position: relative;
}
.intro-img-main {
  border-radius: var(--r-xl);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--gray-100);
  box-shadow: var(--shadow-2xl);
}
.intro-img-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.intro-img-badge {
  position: absolute;
  bottom: -20px; right: -20px;
  background: var(--black);
  color: var(--white);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-xl);
  text-align: center;
  min-width: 120px;
}
.intro-badge-num {
  font-family: var(--font-sans);
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 4px;
}
.intro-badge-label {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}
.intro-stripe {
  position: absolute;
  top: 24px; left: -24px;
  width: 6px; height: 80px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  border-radius: var(--r-full);
}

.intro-copy {
  display: flex;
  flex-direction: column;
}
.intro-copy .section-label { margin-bottom: 16px; }
.intro-title {
  font-family: var(--font-ja);
  font-size: clamp(26px, 3.2vw, 44px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: var(--tracking-snug);
  color: var(--gray-950);
  margin-bottom: 24px;
}
.intro-body {
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.intro-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 28px 0 36px;
}
.intro-point {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.intro-point-icon {
  width: 26px; height: 26px;
  background: var(--black);
  border-radius: var(--r-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.intro-point-text strong {
  display: block;
  font-family: var(--font-ja);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 2px;
  letter-spacing: -0.01em;
}
.intro-point-text p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--gray-500);
}

@media (max-width: 860px) {
  .intro-inner {
    grid-template-columns: 1fr;
  }
  .intro-img-badge { right: 12px; bottom: -12px; }
  .intro-stripe { display: none; }
}

/* ─── SERVICES SECTION ─────────────────────────────────────────── */
.services-section {
  padding: var(--section-y) 0;
  background: var(--gray-25);
}

.services-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: clamp(28px, 3.5vw, 44px);
  display: flex;
  flex-direction: column;
  gap: 0;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  opacity: 0;
  transition: opacity var(--dur-base) var(--ease-out);
}
.service-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: var(--gray-200);
}
.service-card:hover::before { opacity: 1; }

.service-card-icon {
  width: 48px; height: 48px;
  background: var(--accent);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: transform var(--dur-base) var(--ease-bounce);
}
.service-card:hover .service-card-icon { transform: scale(1.08); }

.service-card-num {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 8px;
}
.service-card-title {
  font-family: var(--font-ja);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: var(--gray-950);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.service-card-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray-500);
  flex: 1;
  margin-bottom: 28px;
}
.service-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
}
.service-tag {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: var(--r-full);
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
  letter-spacing: -0.01em;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-950);
  letter-spacing: -0.01em;
  transition: gap var(--dur-base) var(--ease-spring);
}
.service-card-link:hover { gap: 10px; }
.service-card-link svg { transition: transform var(--dur-base) var(--ease-spring); }
.service-card-link:hover svg { transform: translate(2px, -2px); }

@media (max-width: 960px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* ─── STRENGTHS / WHY SECTION ──────────────────────────────────── */
.strengths-section {
  padding: var(--section-y) 0;
  background: var(--surface-2);
  position: relative;
  overflow: hidden;
}

.strengths-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.strengths-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}
.strengths-bg-glow {
  position: absolute;
  width: 800px; height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(14,165,233,0.08) 0%, transparent 60%);
  top: -200px; right: -200px;
}

.strengths-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
  position: relative;
  z-index: 1;
}

.strengths-header {
  margin-bottom: clamp(48px, 6vw, 80px);
}
.strengths-header .section-label { color: var(--accent-dark); }
.strengths-header .section-title { color: var(--gray-950); }
.strengths-header .section-body { color: var(--gray-500); margin: 0; }

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.strength-item {
  background: var(--white);
  padding: clamp(28px, 3.5vw, 44px) clamp(24px, 3vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: background var(--dur-base) var(--ease-out);
}
.strength-item:hover { background: var(--surface-1); }

.strength-icon {
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
}
.strength-num {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
}
.strength-title {
  font-family: var(--font-ja);
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.02em;
  line-height: 1.4;
}
.strength-body {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray-500);
}

@media (max-width: 1000px) {
  .strengths-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .strengths-grid { grid-template-columns: 1fr; }
}

/* ─── PROCESS SECTION ──────────────────────────────────────────── */
.process-section {
  padding: var(--section-y) 0;
  background: var(--white);
}

.process-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 28px; left: 10%; right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-200), var(--gray-200), transparent);
  z-index: 0;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}

.process-step-num {
  width: 56px; height: 56px;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-950);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  transition: background var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  flex-shrink: 0;
}
.process-step:hover .process-step-num {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(14,165,233,0.35);
}

.process-step-title {
  font-family: var(--font-ja);
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.process-step-body {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gray-500);
}

@media (max-width: 860px) {
  .process-steps { grid-template-columns: 1fr; gap: 0; }
  .process-steps::before { display: none; }
  .process-step {
    flex-direction: row;
    text-align: left;
    padding: 24px 0;
    border-bottom: 1px solid var(--gray-150);
    gap: 20px;
    align-items: flex-start;
  }
  .process-step-num { margin-bottom: 0; flex-shrink: 0; }
}

/* ─── STATS SECTION ────────────────────────────────────────────── */
.stats-section {
  padding: clamp(60px, 7vw, 96px) 0;
  background: var(--accent);
  overflow: hidden;
  position: relative;
}

.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 48px 48px;
}

.stats-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--r-xl);
  overflow: hidden;
  position: relative;
  z-index: 1;
}

.stat-item {
  background: rgba(255,255,255,0.08);
  padding: clamp(28px, 4vw, 48px) clamp(24px, 3vw, 36px);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background var(--dur-base) var(--ease-out);
}
.stat-item:hover { background: rgba(255,255,255,0.14); }
.stat-num {
  font-family: var(--font-sans);
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--white);
  line-height: 1;
}
.stat-label {
  font-family: var(--font-ja);
  font-size: 14px;
  font-weight: 400;
  color: rgba(255,255,255,0.7);
  margin-top: 6px;
}
.stat-note {
  font-size: 11.5px;
  color: rgba(255,255,255,0.45);
  margin-top: 2px;
}

@media (max-width: 700px) {
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 400px) {
  .stats-inner { grid-template-columns: 1fr; }
}

/* ─── CTA SECTION ──────────────────────────────────────────────── */
.cta-section {
  padding: var(--section-y) 0;
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 50%, #06b6d4 100%);
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.cta-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
.cta-bg-glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.cta-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
  text-align: center;
  position: relative;
  z-index: 1;
}
.cta-inner .section-label {
  color: rgba(255,255,255,0.75);
  justify-content: center;
  margin-bottom: 20px;
}
.cta-title {
  font-family: var(--font-ja);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 700;
  letter-spacing: var(--tracking-snug);
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.2;
}
.cta-body {
  font-size: clamp(14.5px, 1.5vw, 17px);
  line-height: 1.8;
  color: rgba(255,255,255,0.7);
  margin-bottom: 40px;
}
.cta-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ─── PAGE HERO (Inner pages) ──────────────────────────────────── */
.page-hero {
  padding-top: calc(var(--header-h) + clamp(48px, 7vw, 96px));
  padding-bottom: clamp(48px, 7vw, 96px);
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 100% at 50% 0%, black, transparent);
  pointer-events: none;
}

.page-hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
}
.breadcrumb a, .breadcrumb span {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-400);
  letter-spacing: -0.01em;
  transition: color var(--dur-fast) var(--ease-out);
}
.breadcrumb a:hover { color: var(--gray-800); }
.breadcrumb-sep {
  color: var(--gray-300);
  font-size: 10px;
}
.breadcrumb span:last-child { color: var(--gray-700); }

.page-hero-label {
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.page-hero-title {
  font-family: var(--font-sans);
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--gray-950);
  line-height: 1.0;
  margin-bottom: 20px;
}
.page-hero-body {
  font-family: var(--font-ja);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--gray-500);
  max-width: 560px;
}

/* ─── ABOUT PAGE ───────────────────────────────────────────────── */
.mvv-section {
  padding: var(--section-y) 0;
  background: var(--white);
}
.mvv-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
}

.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.mvv-card {
  background: var(--gray-25);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: clamp(28px, 3.5vw, 44px);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}
.mvv-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.mvv-card-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--r-full);
  background: var(--black);
  color: var(--white);
  margin-bottom: 20px;
}
.mvv-card-title {
  font-family: var(--font-ja);
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 700;
  color: var(--gray-950);
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}
.mvv-card-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray-500);
}
.mvv-card-accent {
  position: absolute;
  bottom: 0; right: 0;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.06), transparent);
  pointer-events: none;
}

@media (max-width: 860px) { .mvv-grid { grid-template-columns: 1fr; } }

/* Company info table */
.company-section {
  padding: var(--section-y) 0;
  background: var(--gray-25);
}
.company-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
}
.company-table {
  width: 100%;
  border-collapse: collapse;
}
.company-table tr {
  border-bottom: 1px solid var(--border-light);
}
.company-table tr:last-child { border-bottom: none; }
.company-table th,
.company-table td {
  padding: 20px 0;
  font-size: 14.5px;
  line-height: 1.7;
  text-align: left;
  vertical-align: top;
}
.company-table th {
  width: 180px;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--gray-400);
  font-size: 12px;
  letter-spacing: 0.02em;
  padding-right: 24px;
  white-space: nowrap;
}
.company-table td {
  font-family: var(--font-ja);
  color: var(--gray-800);
}
@media (max-width: 540px) {
  .company-table th, .company-table td { display: block; width: 100%; }
  .company-table th { padding-bottom: 4px; padding-top: 20px; }
  .company-table td { padding-top: 0; }
}

/* Business section */
.business-section {
  padding: var(--section-y) 0;
  background: var(--gray-950);
  position: relative;
  overflow: hidden;
}
.business-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
  position: relative;
  z-index: 1;
}
.business-header .section-label { color: var(--accent-light); }
.business-header .section-title { color: var(--white); }
.business-header .section-body { color: rgba(255,255,255,0.4); margin: 0; }

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.business-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r-xl);
  padding: 36px;
  transition: background var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.business-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,255,255,0.14);
}
.business-card-icon {
  width: 44px; height: 44px;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.2);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.business-card-title {
  font-family: var(--font-ja);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.business-card-body {
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(255,255,255,0.4);
}
@media (max-width: 860px) { .business-grid { grid-template-columns: 1fr; } }

/* ─── SERVICES PAGE ────────────────────────────────────────────── */
.service-detail-section {
  padding: var(--section-y) 0;
}
.service-detail-section:nth-child(even) { background: var(--gray-25); }

.service-detail-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
}

.service-detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: clamp(40px, 5vw, 64px);
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-light);
}
.service-detail-num {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-400);
  letter-spacing: 0.04em;
}
.service-detail-label {
  width: 1px; height: 24px;
  background: var(--gray-300);
}
.service-detail-name {
  font-family: var(--font-ja);
  font-size: clamp(22px, 2.8vw, 36px);
  font-weight: 700;
  color: var(--gray-950);
  letter-spacing: -0.03em;
}

.service-detail-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}
@media (max-width: 860px) {
  .service-detail-body { grid-template-columns: 1fr; }
}

.service-overview p {
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.85;
  color: var(--gray-600);
  margin-bottom: 20px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
}
.service-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-700);
}
.service-list-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Platform badges */
.platform-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.platform-badge {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--r-full);
  background: var(--gray-100);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
  letter-spacing: -0.01em;
  transition: background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}
.platform-badge:hover {
  background: var(--gray-200);
  border-color: var(--gray-300);
}

/* Flow steps */
.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.flow-step {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-light);
}
.flow-step:last-child { border-bottom: none; }
.flow-step-num {
  width: 32px; height: 32px;
  background: var(--gray-950);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  flex-shrink: 0;
}
.flow-step-content strong {
  display: block;
  font-family: var(--font-ja);
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 4px;
}
.flow-step-content p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-500);
}

/* PDCA block */
.pdca-block {
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
  border-radius: var(--r-xl);
  padding: clamp(28px, 4vw, 48px);
  margin-top: 24px;
}
.pdca-title {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  margin-bottom: 20px;
}
.pdca-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.pdca-item {
  background: rgba(255,255,255,0.15);
  border-radius: var(--r-md);
  padding: 16px;
  text-align: center;
}
.pdca-item-letter {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 6px;
}
.pdca-item-text {
  font-size: 11.5px;
  color: rgba(255,255,255,0.7);
  font-family: var(--font-sans);
}

/* ─── CONTACT PAGE ─────────────────────────────────────────────── */
.contact-section {
  padding: var(--section-y) 0;
  background: var(--white);
}
.contact-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(48px, 7vw, 100px);
  align-items: start;
}
@media (max-width: 860px) {
  .contact-inner { grid-template-columns: 1fr; }
}

.contact-info {
  position: sticky;
  top: calc(var(--header-h) + 32px);
}
.contact-info-title {
  font-family: var(--font-ja);
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  color: var(--gray-950);
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}
.contact-info-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray-500);
  margin-bottom: 32px;
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.contact-meta-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
}
.contact-meta-value {
  font-family: var(--font-ja);
  font-size: 14.5px;
  color: var(--gray-800);
  line-height: 1.6;
}

/* Contact form */
.contact-form-wrap {
  background: var(--gray-25);
  border: 1px solid var(--border-light);
  border-radius: var(--r-2xl);
  padding: clamp(28px, 4vw, 52px);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
@media (max-width: 540px) { .form-row { grid-template-columns: 1fr; } }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-700);
  letter-spacing: -0.01em;
}
.form-label .required {
  color: #ef4444;
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-md);
  font-size: 14.5px;
  color: var(--gray-900);
  outline: none;
  transition: border-color var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out);
  -webkit-appearance: none;
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--gray-400); }
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.12);
}
.form-input.has-error,
.form-select.has-error,
.form-textarea.has-error {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.1);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239898a6' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 44px;
  cursor: pointer;
}

.form-textarea { resize: vertical; min-height: 140px; line-height: 1.7; }

.form-error {
  font-size: 12px;
  color: #ef4444;
  display: none;
}
.form-group.has-error .form-error { display: block; }

.form-submit {
  margin-top: 8px;
}
.form-submit .btn {
  width: 100%;
  justify-content: center;
}

/* Thankyou */
#thankyou {
  display: none;
  text-align: center;
  padding: 48px 24px;
}
#thankyou.is-visible { display: block; }
.thankyou-icon {
  width: 64px; height: 64px;
  background: #f0fdf4;
  border: 2px solid #86efac;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}
.thankyou-title {
  font-family: var(--font-ja);
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-950);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.thankyou-body {
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray-500);
}

/* ─── PRIVACY PAGE ─────────────────────────────────────────────── */
.privacy-section {
  padding: var(--section-y) 0;
  background: var(--white);
}
.privacy-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
}

.privacy-last-updated {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 48px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}

.privacy-article {
  margin-bottom: 48px;
}
.privacy-article-title {
  font-family: var(--font-ja);
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-950);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.privacy-article-title::before {
  content: attr(data-num);
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.privacy-article p {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--gray-600);
  margin-bottom: 12px;
}
.privacy-article ul {
  margin: 12px 0 12px 16px;
}
.privacy-article ul li {
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray-600);
  list-style: disc;
  margin-bottom: 4px;
  padding-left: 4px;
}

/* ─── FOOTER ───────────────────────────────────────────────────── */
.site-footer {
  background: #0f172a;
  color: var(--white);
  border-top: 3px solid var(--accent);
}

.footer-top {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: clamp(56px, 7vw, 96px) clamp(20px, 4vw, 56px) clamp(48px, 6vw, 80px);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
}

.footer-brand {}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}
.footer-logo-mark {
  width: 30px; height: 30px;
  background: rgba(255,255,255,0.1);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-logo-text {
  display: flex;
  flex-direction: column;
}
.footer-logo-ja {
  font-family: var(--font-ja);
  font-size: 11px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}
.footer-logo-en {
  font-family: var(--font-sans);
  font-size: 10px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.06em;
}

.footer-tagline {
  font-family: var(--font-ja);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(255,255,255,0.35);
  max-width: 260px;
}

.footer-col-title {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-nav a {
  font-family: var(--font-ja);
  font-size: 13.5px;
  color: rgba(255,255,255,0.45);
  transition: color var(--dur-fast) var(--ease-out);
}
.footer-nav a:hover { color: var(--white); }

.footer-address {
  font-style: normal;
  font-family: var(--font-ja);
  font-size: 12.5px;
  line-height: 1.9;
  color: rgba(255,255,255,0.35);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 20px clamp(20px, 4vw, 56px);
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-family: var(--font-sans);
  font-size: 12px;
  color: rgba(255,255,255,0.2);
  letter-spacing: -0.01em;
}

.footer-legal {
  display: flex;
  gap: 20px;
}
.footer-legal a {
  font-family: var(--font-sans);
  font-size: 12px;
  color: rgba(255,255,255,0.3);
  transition: color var(--dur-fast) var(--ease-out);
}
.footer-legal a:hover { color: rgba(255,255,255,0.7); }

@media (max-width: 860px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* ─── Scroll Progress ─────────────────────────────────────────── */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  z-index: 10001;
  transition: width 0.05s linear;
}

/* ─── Scroll to top ─────────────────────────────────────────────── */
.scroll-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  background: var(--accent);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
}
.scroll-top.is-visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.scroll-top:hover { background: var(--accent-dark); }

/* ─── Focus styles (Accessibility) ───────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

/* ─── Selection ──────────────────────────────────────────────── */
::selection {
  background: rgba(99,102,241,0.15);
  color: var(--gray-950);
}

/* ─── Human-feel overrides ────────────────────────────────────
   均等すぎるグリッド・文字・余白にわずかな「ゆらぎ」を加える
   ─────────────────────────────────────────────────────────── */

/* サービスカード: 3枚に微妙な高さのズレを持たせる */
.services-grid .service-card:nth-child(2) {
  margin-top: 28px;
}
.services-grid .service-card:nth-child(3) {
  margin-top: 56px;
}

/* Strengthsグリッド: 左側のアイテムを少し上に */
.strengths-grid .strength-item:nth-child(odd) {
  padding-top: clamp(36px, 4.5vw, 56px);
}

/* Heroタイトル: 行間をわずかに個性的に */
.hero-title {
  line-height: 0.9;
}

/* Hero copy: 全体をほんの少し上に */
.hero-copy {
  padding-top: 16px;
}

/* イントロセクション: 画像を少し大きく、テキストを少し下に */
.intro-inner {
  align-items: flex-start;
}
.intro-copy {
  padding-top: clamp(32px, 5vw, 64px);
}

/* Introのストライプをわずかに個性的に */
.intro-stripe {
  width: 4px; height: 120px;
  top: 16px; left: -16px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-light), transparent);
}

/* Section label: 少し遊び心のある前置き文字 */
.section-label::before {
  content: '— ';
  opacity: 0.4;
}

/* MVVカード: 1枚目だけアクセント背景 */
.mvv-grid .mvv-card:first-child {
  grid-row: span 1;
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
  border-color: transparent;
}
.mvv-grid .mvv-card:first-child .mvv-card-tag {
  background: rgba(255,255,255,0.2);
  color: var(--white);
}
.mvv-grid .mvv-card:first-child .mvv-card-title,
.mvv-grid .mvv-card:first-child .mvv-card-body {
  color: var(--white);
}
.mvv-grid .mvv-card:first-child .mvv-card-title {
  color: rgba(255,255,255,0.95);
}
.mvv-grid .mvv-card:first-child .mvv-card-body {
  color: rgba(255,255,255,0.7);
}

/* Processステップ: 奇数番号にアクセント */
.process-step:nth-child(odd) .process-step-num {
  border-color: var(--accent);
  color: var(--accent-dark);
}

/* フォームラベルのrequiredマーク: 少し余白 */
.form-label .required {
  margin-left: 3px;
}

/* サービス詳細セクションの奇数背景を変える */
.service-detail-section:nth-child(odd) {
  background: var(--white);
}
.service-detail-section:nth-child(even) {
  background: var(--gray-25);
}

/* Hero scrollインジケーターを少し左に */
.hero-scroll {
  left: clamp(20px, 4vw, 56px);
  transform: none;
  bottom: 28px;
}

/* FooterのBrand領域に少し個性を */
.footer-tagline {
  font-size: 12.5px;
  line-height: 2;
}

/* サービスカードのnumに : を追加 */
.service-card-num::after {
  content: '.';
}

@media (max-width: 860px) {
  .services-grid .service-card:nth-child(2),
  .services-grid .service-card:nth-child(3) {
    margin-top: 0;
  }
  .strengths-grid .strength-item:nth-child(odd) {
    padding-top: clamp(28px, 3.5vw, 44px);
  }
  .hero-scroll {
    left: 50%;
    transform: translateX(-50%);
  }
}

/* ================================================================
   HERO SLIDER
   ================================================================ */

/* ─── Ken Burns keyframe ─────────────────────────────────────── */
@keyframes kenburns {
  from { transform: scale(1.08) translate(0, 0); }
  to   { transform: scale(1.0)  translate(0, 0); }
}
@keyframes kenburnsR {
  from { transform: scale(1.08) translate(1%, 0.5%); }
  to   { transform: scale(1.0)  translate(0, 0); }
}
@keyframes kenburnsL {
  from { transform: scale(1.08) translate(-1%, 0.5%); }
  to   { transform: scale(1.0)  translate(0, 0); }
}

/* ─── Slide text fade-in ─────────────────────────────────────── */
@keyframes hsFadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── Progress bar fill ──────────────────────────────────────── */
@keyframes hsProgress {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* ─── Scroll hint bounce ─────────────────────────────────────── */
@keyframes hsScrollBounce {
  0%, 100% { transform: scaleY(0) translateY(-100%); opacity: 0; }
  20%      { transform: scaleY(1) translateY(0);     opacity: 1; }
  80%      { transform: scaleY(1) translateY(0);     opacity: 1; }
  100%     { transform: scaleY(0) translateY(100%);  opacity: 0; }
}

/* ─── Wrapper ────────────────────────────────────────────────── */
.hero-slider {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
  background: var(--gray-950);
}

/* ─── Individual slide ───────────────────────────────────────── */
.hs-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 0;
  pointer-events: none;
  transition: opacity 1.1s var(--ease-in-out);
}
.hs-slide.is-active {
  opacity: 1;
  z-index: 1;
  pointer-events: auto;
}
/* Outgoing slide stays on top briefly during transition */
.hs-slide.is-leaving {
  opacity: 0;
  z-index: 2;
  pointer-events: none;
}

/* ─── Background image layer ─────────────────────────────────── */
.hs-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.hs-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  will-change: transform;
}
/* Ken Burns: applied via JS class when slide becomes active */
.hs-slide.is-active .hs-bg img {
  animation: kenburns 6.5s var(--ease-expo) forwards;
}
.hs-slide:nth-child(2).is-active .hs-bg img {
  animation-name: kenburnsR;
}
.hs-slide:nth-child(3).is-active .hs-bg img {
  animation-name: kenburnsL;
}

/* ─── Dark overlay ───────────────────────────────────────────── */
.hs-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    165deg,
    rgba(0,0,0,0.55) 0%,
    rgba(0,0,0,0.25) 50%,
    rgba(0,0,0,0.55) 100%
  );
}

/* ─── Content block ──────────────────────────────────────────── */
.hs-content {
  position: absolute;
  z-index: 3;
  left: clamp(24px, 8vw, 120px);
  bottom: clamp(100px, 16vh, 180px);
  max-width: clamp(340px, 52vw, 680px);
}

/* Label */
.hs-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-bottom: 14px;
  opacity: 0;
}
.hs-slide.is-active .hs-label {
  animation: hsFadeUp 0.7s var(--ease-spring) 0.2s forwards;
}

/* Title */
.hs-title {
  font-family: var(--font-ja);
  font-size: clamp(38px, 6.5vw, 88px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--white);
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}
.hs-title span {
  display: block;
  opacity: 0;
}
.hs-slide.is-active .hs-title span:nth-child(1) {
  animation: hsFadeUp 0.75s var(--ease-spring) 0.35s forwards;
}
.hs-slide.is-active .hs-title span:nth-child(2) {
  animation: hsFadeUp 0.75s var(--ease-spring) 0.5s forwards;
}

/* Desc */
.hs-desc {
  font-family: var(--font-ja);
  font-size: clamp(14px, 1.6vw, 17px);
  line-height: 1.75;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  opacity: 0;
  max-width: 440px;
}
.hs-slide.is-active .hs-desc {
  animation: hsFadeUp 0.75s var(--ease-spring) 0.65s forwards;
}

/* CTA button */
.hs-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 48px;
  padding: 0 28px;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px) saturate(1.4);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--r-full);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  letter-spacing: -0.01em;
  white-space: nowrap;
  opacity: 0;
  transition:
    background var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-spring);
}
.hs-slide.is-active .hs-btn {
  animation: hsFadeUp 0.75s var(--ease-spring) 0.8s forwards;
}
.hs-btn:hover {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
}
.hs-btn svg { flex-shrink: 0; transition: transform var(--dur-base) var(--ease-spring); }
.hs-btn:hover svg { transform: translateX(4px); }

/* ─── Controls (arrows + dots) ───────────────────────────────── */
.hs-controls {
  position: absolute;
  z-index: 10;
  bottom: clamp(28px, 5vh, 44px);
  left: clamp(24px, 8vw, 120px);
  display: flex;
  align-items: center;
  gap: 16px;
}

.hs-arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition:
    background var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    transform var(--dur-fast) var(--ease-spring);
}
.hs-arrow:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.5);
  transform: scale(1.06);
}
.hs-arrow:active { transform: scale(0.95); }

.hs-dots {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hs-dot {
  width: 28px; height: 3px;
  border-radius: 2px;
  background: rgba(255,255,255,0.28);
  transition:
    background var(--dur-base) var(--ease-out),
    width var(--dur-slow) var(--ease-spring);
}
.hs-dot.is-active {
  width: 40px;
  background: var(--white);
}

/* ─── Progress bar ────────────────────────────────────────────── */
.hs-progress {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: rgba(255,255,255,0.1);
  z-index: 10;
  overflow: hidden;
}
.hs-progress-bar {
  height: 100%;
  background: rgba(255,255,255,0.6);
  transform-origin: left;
  transform: scaleX(0);
}
.hs-progress-bar.is-running {
  animation: hsProgress 5.5s linear forwards;
}

/* ─── Slide counter ───────────────────────────────────────────── */
.hs-counter {
  position: absolute;
  z-index: 10;
  right: clamp(24px, 5vw, 56px);
  bottom: clamp(28px, 5vh, 44px);
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.02em;
}
.hs-counter-current {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  transition: opacity var(--dur-base) var(--ease-out);
}
.hs-counter-sep {
  margin: 0 2px;
  opacity: 0.4;
}

/* ─── Scroll hint ─────────────────────────────────────────────── */
.hs-scroll-hint {
  position: absolute;
  z-index: 10;
  right: clamp(24px, 5vw, 56px);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.hs-scroll-hint span {
  font-family: var(--font-sans);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  writing-mode: vertical-rl;
}
.hs-scroll-line {
  width: 1px;
  height: 60px;
  background: rgba(255,255,255,0.2);
  overflow: hidden;
  position: relative;
}
.hs-scroll-line::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 40%;
  background: rgba(255,255,255,0.7);
  animation: hsScrollDown 2.2s ease-in-out infinite;
}
@keyframes hsScrollDown {
  0%   { top: -40%; }
  100% { top: 140%; }
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .hs-content {
    left: clamp(20px, 6vw, 40px);
    right: clamp(20px, 6vw, 40px);
    bottom: clamp(90px, 14vh, 130px);
    max-width: 100%;
  }
  .hs-title {
    font-size: clamp(34px, 9vw, 56px);
  }
  .hs-controls {
    left: clamp(20px, 6vw, 40px);
    bottom: clamp(24px, 4vh, 36px);
  }
  .hs-scroll-hint { display: none; }
  .hs-counter {
    right: clamp(20px, 6vw, 40px);
    bottom: clamp(24px, 4vh, 36px);
  }
}
@media (max-width: 480px) {
  .hs-title { font-size: 34px; }
  .hs-btn { height: 44px; padding: 0 22px; font-size: 13px; }
  .hs-arrow { width: 38px; height: 38px; }
}

/* ================================================================
   ABOUT SECTION (index.html)
   ================================================================ */
.about-section {
  padding: var(--section-y) 0;
  background: var(--white);
  overflow: hidden;
}

.about-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(48px, 7vw, 100px);
  align-items: flex-start;
}

/* ─── Visual ─────────────────────────────────────────────────── */
.about-visual {
  position: relative;
  flex-shrink: 0;
}

.about-img-wrap {
  border-radius: var(--r-xl);
  overflow: hidden;
  aspect-ratio: 4/5;
  background: var(--gray-100);
  box-shadow: var(--shadow-2xl);
}
.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}
.about-visual:hover .about-img-wrap img {
  transform: scale(1.03);
}

.about-badge {
  position: absolute;
  bottom: -18px; right: -18px;
  background: linear-gradient(135deg, var(--accent-dark), var(--accent));
  color: var(--white);
  border-radius: var(--r-lg);
  padding: 20px 26px;
  box-shadow: var(--shadow-xl);
  text-align: center;
  min-width: 110px;
}
.about-badge-num {
  font-family: var(--font-sans);
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.05em;
  line-height: 1;
  margin-bottom: 5px;
  color: var(--white);
}
.about-badge-txt {
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
}

/* ─── Copy ───────────────────────────────────────────────────── */
.about-copy {
  display: flex;
  flex-direction: column;
  padding-top: clamp(16px, 3vw, 40px);
}

.about-title {
  font-family: var(--font-ja);
  font-size: clamp(26px, 3.2vw, 44px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: var(--tracking-snug);
  color: var(--gray-950);
  margin-bottom: 24px;
}

.about-body {
  font-size: clamp(14.5px, 1.5vw, 16px);
  line-height: 1.9;
  color: var(--gray-500);
  margin-bottom: 14px;
}

.about-checks {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin: 28px 0 36px;
}

.about-check {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.about-check-icon {
  width: 24px; height: 24px;
  background: var(--accent);
  border-radius: var(--r-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.about-check strong {
  display: block;
  font-family: var(--font-ja);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 2px;
  letter-spacing: -0.01em;
}
.about-check p {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--gray-500);
}

@media (max-width: 960px) {
  .about-inner {
    grid-template-columns: 1fr;
    gap: clamp(40px, 6vw, 60px);
  }
  .about-badge { right: 12px; bottom: -12px; }
  .about-copy { padding-top: 0; }
}

/* ================================================================
   SERVICES SECTION — Asymmetric 2-column (sv-section)
   ================================================================ */
.sv-section {
  padding: var(--section-y) 0;
  background: var(--gray-25);
}

.sv-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
}

.sv-head {
  margin-bottom: clamp(48px, 7vw, 88px);
}
.sv-title {
  font-family: var(--font-ja);
  font-size: clamp(28px, 3.8vw, 52px);
  font-weight: 700;
  letter-spacing: var(--tracking-snug);
  color: var(--gray-950);
  line-height: 1.15;
}

/* ─── Single service row ─────────────────────────────────────── */
.sv-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: center;
  padding: clamp(48px, 7vw, 96px) 0;
  border-top: 1px solid var(--border-light);
  position: relative;
}
.sv-item:last-child {
  border-bottom: 1px solid var(--border-light);
}

/* Number label (absolute, decorative) */
.sv-item-num {
  position: absolute;
  top: clamp(16px, 3vw, 28px);
  left: 0;
  font-family: var(--font-sans);
  font-size: clamp(56px, 8vw, 96px);
  font-weight: 900;
  letter-spacing: -0.06em;
  color: var(--gray-100);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* Image column */
.sv-item-img {
  position: relative;
  z-index: 1;
  border-radius: var(--r-xl);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--gray-100);
  box-shadow: var(--shadow-xl);
}
.sv-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-expo);
}
.sv-item:hover .sv-item-img img {
  transform: scale(1.04);
}

/* Body column */
.sv-item-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
}

.sv-item-title {
  font-family: var(--font-ja);
  font-size: clamp(22px, 2.8vw, 36px);
  font-weight: 700;
  color: var(--gray-950);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.sv-item-text {
  font-size: clamp(14px, 1.5vw, 15.5px);
  line-height: 1.9;
  color: var(--gray-500);
  margin-bottom: 24px;
}

.sv-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 28px;
}
.sv-item-tags span {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--r-full);
  background: var(--white);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
  letter-spacing: -0.01em;
}

.sv-item-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--gray-950);
  letter-spacing: -0.01em;
  width: fit-content;
  border-bottom: 1px solid var(--gray-300);
  padding-bottom: 2px;
  transition:
    gap var(--dur-base) var(--ease-spring),
    border-color var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out);
}
.sv-item-link:hover {
  gap: 12px;
  border-color: var(--gray-950);
  color: var(--gray-950);
}
.sv-item-link svg { transition: transform var(--dur-base) var(--ease-spring); }
.sv-item-link:hover svg { transform: translate(2px, -2px); }

/* ─── Reversed row ───────────────────────────────────────────── */
.sv-item--rev .sv-item-img {
  order: 2;
}
.sv-item--rev .sv-item-body {
  order: 1;
}

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 860px) {
  .sv-item {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .sv-item-num { display: none; }
  .sv-item--rev .sv-item-img,
  .sv-item--rev .sv-item-body { order: unset; }
}

/* ================================================================
   WHY SECTION
   ================================================================ */
.why-section {
  padding: var(--section-y) 0;
  background: var(--surface-1);
  position: relative;
  overflow: hidden;
}
.why-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.why-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 56px);
  position: relative;
  z-index: 1;
}

.why-head {
  margin-bottom: clamp(48px, 6vw, 80px);
  max-width: 640px;
}
.why-head .section-label { color: var(--accent-dark); }

.why-title {
  font-family: var(--font-ja);
  font-size: clamp(26px, 3.5vw, 48px);
  font-weight: 700;
  color: var(--gray-950);
  letter-spacing: var(--tracking-snug);
  line-height: 1.2;
  margin-bottom: 16px;
}

.why-lead {
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.8;
  color: var(--gray-500);
}

/* ─── Cards grid ─────────────────────────────────────────────── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  border-radius: var(--r-xl);
  overflow: hidden;
}

.why-card {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--r-xl);
  padding: clamp(28px, 4vw, 48px) clamp(24px, 3.5vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
  position: relative;
}
.why-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.why-card-num {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.why-card-title {
  font-family: var(--font-ja);
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.why-card-body {
  font-size: clamp(13px, 1.4vw, 14.5px);
  line-height: 1.8;
  color: var(--gray-500);
}

/* Staggered offset — card 1&3 slightly higher */
.why-card:nth-child(1),
.why-card:nth-child(3) {
  padding-top: clamp(36px, 5vw, 60px);
}

@media (max-width: 640px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-card:nth-child(1),
  .why-card:nth-child(3) { padding-top: clamp(28px, 4vw, 48px); }
}