/* ============================================
   Scentier Corporate Website
   Design: Dark Mode + Gradient Mesh + Glass
   ============================================ */

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

:root {
  --navy: #0B1121;
  --navy-mid: #111827;
  --navy-card: #1A2332;
  --navy-light: #1E293B;
  --gold: #D4A74B;
  --gold-hover: #E0B85E;
  --blue-accent: #3B82F6;
  --purple-accent: #8B5CF6;
  --cyan-accent: #06B6D4;
  --white: #FFFFFF;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  --font-ja: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1100px;
  --transition: 0.3s ease;
  --glow-gold: rgba(212, 167, 75, 0.15);
  --glow-blue: rgba(59, 130, 246, 0.12);
  --glow-purple: rgba(139, 92, 246, 0.12);
}

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

body {
  font-family: var(--font-ja);
  background-color: var(--navy);
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.7; }
}

@keyframes grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(30px, 30px); }
}

/* --- Background Patterns --- */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.bg-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.07) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Floating gradient orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: float 8s ease-in-out infinite;
}

.orb--gold {
  background: radial-gradient(circle, rgba(212, 167, 75, 0.25), transparent 70%);
}

.orb--blue {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.2), transparent 70%);
}

.orb--purple {
  background: radial-gradient(circle, rgba(139, 92, 246, 0.18), transparent 70%);
}

.orb--cyan {
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15), transparent 70%);
}

/* --- Typography --- */
.section-label {
  font-family: var(--font-en);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0;
  background: none;
  border: none;
  border-radius: 0;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}

.section-label::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
  margin-bottom: 20px;
}

.section-desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.9;
  max-width: 640px;
  margin: 0 auto;
}

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  position: relative;
  padding: 120px 0;
  overflow: hidden;
}

.section--alt {
  background-color: var(--navy-mid);
}

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

/* Section divider */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 167, 75, 0.2), transparent);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  font-family: var(--font-ja);
  position: relative;
}

.btn--gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-hover));
  color: var(--navy);
  box-shadow: 0 4px 20px rgba(212, 167, 75, 0.25);
}

.btn--gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 167, 75, 0.4);
}

.btn--outline {
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
}

.btn--outline:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.05);
  color: var(--white);
}

.btn--outline-light {
  background: transparent;
  color: rgba(255, 255, 255, 0.7);
  border: 1.5px solid rgba(255, 255, 255, 0.15);
}

.btn--outline-light:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-group--center {
  justify-content: center;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: all var(--transition);
}

.header--transparent {
  background: transparent;
}

.header--scrolled {
  background: rgba(11, 17, 33, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo img {
  height: 64px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.header__nav a {
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.02em;
  transition: color var(--transition);
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--white);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header__actions > a:not(.btn) {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
}

.header__actions .btn {
  padding: 8px 20px;
  font-size: 0.8rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--white);
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--navy);
  overflow: hidden;
}

.hero .orb--1 {
  width: 600px;
  height: 600px;
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.hero .orb--2 {
  width: 500px;
  height: 500px;
  bottom: -15%;
  left: -10%;
  animation-delay: -3s;
}

.hero .orb--3 {
  width: 300px;
  height: 300px;
  top: 40%;
  right: 20%;
  animation-delay: -5s;
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.hero__title {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.hero__title .highlight-text {
  background: linear-gradient(135deg, var(--gold), var(--gold-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}

.hero__desc {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 2;
  margin-bottom: 44px;
}

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero Visual (right side) — geometric shapes + data cards */
.hero__visual {
  position: absolute;
  right: 12%;
  top: 50%;
  transform: translateY(-50%);
  width: 580px;
  height: 580px;
  z-index: 1;
}

.hero-shape {
  position: absolute;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.02);
}

.hero-shape--1 {
  width: 400px;
  height: 400px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(15deg);
  animation: shape-rotate 20s linear infinite;
  border-color: rgba(212, 167, 75, 0.12);
  background: linear-gradient(135deg, rgba(212, 167, 75, 0.04), transparent);
}

.hero-shape--2 {
  width: 300px;
  height: 300px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-10deg);
  animation: shape-rotate-reverse 25s linear infinite;
  border-color: rgba(59, 130, 246, 0.1);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.03), transparent);
}

.hero-shape--3 {
  width: 200px;
  height: 200px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(30deg);
  animation: shape-rotate 30s linear infinite;
  border-color: rgba(139, 92, 246, 0.1);
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.04), transparent);
}

.hero-data {
  position: absolute;
  padding: 12px 20px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  animation: float 6s ease-in-out infinite;
}

.hero-data--1 { top: 2%; right: 12%; animation-delay: 0s; }
.hero-data--2 { bottom: 12%; right: 8%; animation-delay: -2s; }
.hero-data--3 { top: 32%; right: -4%; animation-delay: -4s; }
.hero-data--4 { top: 62%; right: -2%; animation-delay: -1s; }
.hero-data--5 { top: 8%; left: 5%; animation-delay: -3s; }

.hero-data--4 .hero-data__value { font-size: 1.1rem; color: var(--purple-accent); }
.hero-data--5 .hero-data__value { font-size: 1.1rem; color: #34D399; }

.hero-data--6 { bottom: 2%; left: 12%; animation-delay: -5s; }
.hero-data--6 .hero-data__value { font-size: 1.1rem; color: #F59E0B; }

.hero-data__value {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  font-family: var(--font-en);
}

.hero-data--1 .hero-data__value { font-size: 1.3rem; color: var(--gold); }
.hero-data--2 .hero-data__value { font-size: 1.1rem; color: var(--cyan-accent); }
.hero-data--3 .hero-data__value { font-size: 1.1rem; color: var(--blue-accent); }

.hero-shape__center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 30px rgba(212, 167, 75, 0.5), 0 0 60px rgba(212, 167, 75, 0.2);
  animation: pulse-glow 3s ease-in-out infinite;
}

.hero-shape__line {
  position: absolute;
  height: 1px;
  transform-origin: left center;
}

.hero-shape__line--1 { width: 120px; top: 50%; left: calc(50% + 6px); transform: rotate(-30deg); background: linear-gradient(90deg, rgba(212, 167, 75, 0.2), transparent); }
.hero-shape__line--2 { width: 100px; top: 50%; left: calc(50% + 6px); transform: rotate(20deg); background: linear-gradient(90deg, rgba(59, 130, 246, 0.2), transparent); }
.hero-shape__line--3 { width: 80px; top: 50%; left: calc(50% + 6px); transform: rotate(70deg); background: linear-gradient(90deg, rgba(139, 92, 246, 0.15), transparent); }

@keyframes shape-rotate {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(360deg); }
}
@keyframes shape-rotate-reverse {
  0% { transform: translate(-50%, -50%) rotate(0deg); }
  100% { transform: translate(-50%, -50%) rotate(-360deg); }
}

@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    min-height: auto;
    padding-top: 100px;
    padding-bottom: 60px;
  }
  .hero__visual {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    width: 100%;
    height: 380px;
    margin-top: 48px;
  }
  .hero-data { font-size: 0.72rem; padding: 10px 14px; }
  .hero-data__value { font-size: 0.95rem !important; }
  .hero-data--1 { top: 0; right: 8%; }
  .hero-data--2 { bottom: 8%; right: 5%; }
  .hero-data--3 { top: 28%; right: -2%; }
  .hero-data--4 { top: 58%; right: 0; }
  .hero-data--5 { top: 2%; left: 3%; }
  .hero-data--6 { bottom: 2%; left: 8%; }
}

@media (max-width: 480px) {
  .hero__visual { height: 320px; }
  .hero-shape--1 { width: 250px; height: 250px; }
  .hero-shape--2 { width: 190px; height: 190px; }
  .hero-shape--3 { width: 130px; height: 130px; }
  .hero-data { font-size: 0.65rem; padding: 8px 12px; }
  .hero-data__value { font-size: 0.85rem !important; }
}

/* ===== As-is / To-be Section ===== */
.comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  align-items: stretch;
  margin-top: 56px;
}

.comparison__panel {
  border-radius: 16px;
  padding: 32px 28px;
  position: relative;
  overflow: hidden;
}

.comparison__label {
  font-family: var(--font-en);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 20px;
}

.comparison__items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comparison__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
  line-height: 1.6;
}

.comparison__icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
  font-size: 0.7rem;
  margin-top: 1px;
}

/* As-is */
.comparison__panel--asis {
  background: rgba(239, 68, 68, 0.03);
  border: 1px solid rgba(239, 68, 68, 0.1);
}

.comparison__panel--asis .comparison__label {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.18);
  color: #F87171;
}

.comparison__panel--asis .comparison__item {
  color: rgba(255, 255, 255, 0.4);
}

.comparison__panel--asis .comparison__icon {
  background: rgba(239, 68, 68, 0.1);
  color: #F87171;
}

/* To-be */
.comparison__panel--tobe {
  background: linear-gradient(135deg, rgba(212, 167, 75, 0.05), rgba(59, 130, 246, 0.03));
  border: 1px solid rgba(212, 167, 75, 0.15);
  box-shadow: 0 8px 32px rgba(212, 167, 75, 0.06);
}

.comparison__panel--tobe::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(212, 167, 75, 0.3), transparent);
}

.comparison__panel--tobe .comparison__label {
  background: rgba(212, 167, 75, 0.08);
  border: 1px solid rgba(212, 167, 75, 0.2);
  color: var(--gold);
}

.comparison__panel--tobe .comparison__item {
  color: rgba(255, 255, 255, 0.75);
}

.comparison__panel--tobe .comparison__icon {
  background: rgba(212, 167, 75, 0.12);
  color: var(--gold);
}

.comparison__panel--tobe .comparison__item strong {
  color: var(--white);
  font-weight: 600;
}

/* Arrow divider */
.comparison__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  color: var(--gold);
}

.comparison__arrow svg {
  filter: drop-shadow(0 0 8px rgba(212, 167, 75, 0.3));
}

@media (max-width: 768px) {
  .comparison {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .comparison__arrow {
    padding: 4px 0;
    transform: rotate(90deg);
  }
}

/* Sub Hero */
.hero--sub {
  min-height: 400px;
  padding-top: 72px;
}
.hero--sub .hero__title {
  font-size: 2.4rem;
}

/* --- Glass Card --- */
.glass-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 36px 28px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Gradient filled icon (no box) */
.glass-card__icon {
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
}

.glass-card__icon svg {
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.2));
}

.glass-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.5;
}

.glass-card__text {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
}

/* Card grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.card-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.card-grid--4 {
  grid-template-columns: repeat(2, 1fr);
}

/* --- Steps --- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.step {
  text-align: center;
  position: relative;
  padding: 32px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: all var(--transition);
}

.step:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(212, 167, 75, 0.15);
}

.step__number {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(212, 167, 75, 0.15), rgba(212, 167, 75, 0.05));
  border: 1px solid rgba(212, 167, 75, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--gold);
}

.step__title {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--white);
}

.step__text {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.7;
}

/* Step connector line */
.step__connector {
  position: absolute;
  top: 56px;
  right: -10px;
  width: 20px;
  height: 2px;
  background: linear-gradient(90deg, rgba(212, 167, 75, 0.3), rgba(212, 167, 75, 0.05));
}

/* --- Highlight Statement --- */
.highlight-statement {
  margin-top: 64px;
  padding: 32px 40px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(212, 167, 75, 0.06), rgba(212, 167, 75, 0.02));
  border: 1px solid rgba(212, 167, 75, 0.12);
  font-size: 1rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  text-align: center;
}

/* --- Service Items --- */
.service-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 56px;
}

.service-item {
  display: flex;
  gap: 24px;
  padding: 32px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition);
}

.service-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
}

.service-item__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  flex-shrink: 0;
}

.service-item__body { flex: 1; }

.service-item__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 8px;
}

.service-item__desc {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.8;
  margin-bottom: 14px;
}

.service-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.service-item__tag {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 4px 12px;
  border-radius: 100px;
}

/* --- PoC Timeline --- */
.poc-timeline {
  display: flex;
  align-items: flex-start;
  margin-top: 56px;
  position: relative;
}

/* Connecting line behind all steps */
.poc-timeline::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 24px;
  right: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(212, 167, 75, 0.15));
  z-index: 0;
}

.poc-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 1;
  padding: 0 12px;
}

.poc-step__dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--navy);
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-family: var(--font-en);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--gold);
  box-shadow: 0 0 20px rgba(212, 167, 75, 0.15);
}

.poc-step__label {
  font-family: var(--font-en);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 8px;
}

.poc-step__text {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .poc-timeline {
    flex-direction: column;
    gap: 24px;
  }
  .poc-timeline::before {
    top: 0;
    bottom: 0;
    left: 24px;
    right: auto;
    width: 2px;
    height: auto;
  }
  .poc-step {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    text-align: left;
    padding: 0;
  }
  .poc-step__dot {
    margin: 0;
    flex-shrink: 0;
  }
}

/* --- Feature List --- */
.feature-list {
  margin-top: 48px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.feature-list__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.feature-list__item:last-child { border-bottom: none; }

.feature-list__icon {
  color: var(--gold);
  margin-top: 3px;
  flex-shrink: 0;
}

.feature-list__text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
}

.feature-list__text strong {
  color: var(--white);
}

/* --- Consult Grid --- */
.consult-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 48px;
}

.consult-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.65);
}

.consult-item__icon {
  color: var(--gold);
  flex-shrink: 0;
}

/* --- CTA Section --- */
.cta-section {
  position: relative;
  padding: 100px 0;
  text-align: center;
  overflow: hidden;
  background: var(--navy);
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212, 167, 75, 0.05) 0%, transparent 50%, rgba(59, 130, 246, 0.04) 100%);
  pointer-events: none;
}

.cta-section__title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  position: relative;
}

.cta-section__desc {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 40px;
  line-height: 1.9;
  position: relative;
}

/* --- Company Profile Table --- */
.profile-table {
  width: 100%;
  max-width: 640px;
  margin: 48px auto 0;
  border-collapse: collapse;
}

.profile-table th,
.profile-table td {
  padding: 18px 20px;
  text-align: left;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.profile-table th {
  width: 140px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
}

.profile-table td {
  color: rgba(255, 255, 255, 0.5);
}

/* --- Founder Message --- */
.founder {
  max-width: 720px;
  margin: 0 auto;
}

.founder h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
  margin: 48px 0 16px;
  line-height: 1.5;
}

.founder p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 2;
  margin-bottom: 16px;
}

.founder .highlight {
  font-weight: 700;
  color: var(--white);
  font-size: 0.95rem;
}

.founder ul { margin: 12px 0 16px 0; }

.founder li {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.8;
  padding-left: 16px;
  position: relative;
  margin-bottom: 4px;
}

.founder li::before {
  content: '―';
  position: absolute;
  left: 0;
  color: var(--gold);
}

/* --- Contact Form --- */
.contact-form {
  max-width: 600px;
  margin: 56px auto 0;
}

.form-group { margin-bottom: 24px; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 8px;
}

.form-group label .required {
  color: #F87171;
  font-size: 0.75rem;
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  font-size: 0.9rem;
  font-family: var(--font-ja);
  color: var(--white);
  background: rgba(255, 255, 255, 0.03);
  transition: border-color var(--transition), background var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.05);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

.form-group select {
  appearance: none;
  cursor: pointer;
}

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

.form-submit {
  text-align: center;
  margin-top: 36px;
}

.form-submit .btn { min-width: 260px; }

/* --- Footer --- */
.footer {
  background: var(--gray-900);
  color: rgba(255, 255, 255, 0.4);
  padding: 64px 0 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer__brand p {
  font-size: 0.82rem;
  line-height: 1.8;
  margin-top: 16px;
}

.footer__brand img { height: 28px; }

.footer__heading {
  font-size: 0.75rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer__links a {
  display: block;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 12px;
  transition: color var(--transition);
}

.footer__links a:hover { color: var(--white); }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 24px;
  text-align: center;
  font-size: 0.75rem;
}

/* --- Knowledge --- */
.knowledge-category__header {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 40px;
}

.knowledge-category__icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  margin-top: 4px;
}

.knowledge-category__header .section-label {
  margin-bottom: 8px;
}

.knowledge-category__header .section-title {
  margin-bottom: 12px;
}

.knowledge-category__header .section-desc {
  text-align: left;
}

.knowledge-articles {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-right: 15%;
  scrollbar-width: none;
}

.knowledge-articles::-webkit-scrollbar {
  display: none;
}

.knowledge-article-card {
  display: block;
  min-width: 300px;
  max-width: 340px;
  flex-shrink: 0;
  scroll-snap-align: start;
  padding: 28px 24px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.knowledge-article-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.knowledge-article-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.knowledge-article-card__category {
  font-family: var(--font-en);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  display: block;
}

.knowledge-article-card__title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.6;
  margin-bottom: 12px;
}

.knowledge-article-card__excerpt {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.8;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Scroll indicators */
.knowledge-scroll-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.knowledge-scroll-dots__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  transition: all var(--transition);
}

.knowledge-scroll-dots__dot.active {
  background: var(--gold);
  width: 20px;
  border-radius: 3px;
}

.knowledge-article-card__meta {
  font-family: var(--font-en);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.3);
}

/* Knowledge Article Page */
.article-body {
  max-width: 720px;
  margin: 0 auto;
}

.article-toc {
  margin-bottom: 48px;
  padding: 24px 28px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.article-toc__title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.article-toc__list {
  margin: 0;
  padding-left: 20px;
}

.article-toc__list li {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 2;
}

.article-toc__list a {
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

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

.article-body h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin: 32px 0 12px;
}

.article-body p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 2;
  margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
  margin: 16px 0 24px 20px;
}

.article-body li {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.9;
  margin-bottom: 8px;
  padding-left: 8px;
}

.article-body ul li::marker {
  color: var(--gold);
}

.article-body ol li::marker {
  color: var(--gold);
  font-weight: 600;
}

.article-body strong {
  color: var(--white);
  font-weight: 600;
}

.article-body blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--gold);
  background: rgba(212, 167, 75, 0.04);
  border-radius: 0 12px 12px 0;
}

.article-body blockquote p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
}

.article-table-wrap {
  margin: 24px 0 32px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.article-table th,
.article-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.article-table th {
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.03);
  white-space: nowrap;
}

.article-table td {
  color: rgba(255, 255, 255, 0.5);
}

.article-table td strong {
  color: var(--white);
}

.article-table thead th {
  border-bottom: 1px solid rgba(212, 167, 75, 0.2);
}

.article-content {
  max-width: 720px;
  margin: 0 auto;
}

.article-content h2 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin: 32px 0 12px;
}

.article-content p {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 2;
  margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
  margin: 16px 0 24px 20px;
}

.article-content li {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.9;
  margin-bottom: 8px;
  padding-left: 8px;
}

.article-content ul li::marker {
  color: var(--gold);
}

.article-content ol li::marker {
  color: var(--gold);
  font-weight: 600;
}

.article-content strong {
  color: var(--white);
  font-weight: 600;
}

.article-content blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  border-left: 3px solid var(--gold);
  background: rgba(212, 167, 75, 0.04);
  border-radius: 0 12px 12px 0;
}

.article-content blockquote p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

.article-meta__category {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.article-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.article-nav a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition);
}

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

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition);
}

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

.breadcrumb__sep {
  font-size: 0.65rem;
}

@media (max-width: 768px) {
  .knowledge-category__header {
    flex-direction: column;
    gap: 16px;
  }
  .knowledge-article-card {
    min-width: 260px;
    max-width: 280px;
  }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .card-grid,
  .card-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step__connector { display: none; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }

  .hero__title { font-size: 2rem; }
  .hero__subtitle { font-size: 0.95rem; }
  .hero--sub { min-height: 300px; }
  .hero--sub .hero__title { font-size: 1.6rem; }
  .section-title { font-size: 1.5rem; }

  .header__nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: rgba(11, 17, 33, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .header__nav.active { display: flex; }
  .header__actions { display: none; }
  .hamburger { display: flex; }

  .card-grid,
  .card-grid--2,
  .card-grid--4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .poc-timeline { grid-template-columns: 1fr; }
  .consult-grid { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr; gap: 28px; }

  .btn-group { flex-direction: column; align-items: stretch; }
  .btn-group .btn { text-align: center; }

  .service-item { flex-direction: column; gap: 16px; }
  .profile-table th { width: 100px; }
  .highlight-statement { padding: 24px; }
}