/* ============================================================
   NOAH BUSINESS — style.css
   Luxury Design × Material Design 3
   ============================================================ */

/* ----------------------------------------------------------
   1. Google Fonts & Material Symbols
---------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&family=Noto+Serif+JP:wght@300;400;700&display=swap');

/* ----------------------------------------------------------
   2. Luxury Color System — Black × Gold
   漆黒ベース × 精錬ゴールドのハイエンドデザイン言語
---------------------------------------------------------- */
:root {
  /* === Void / Surface (漆黒) === */
  --lux-void:          #07070b;
  --lux-deep:          #0c0c11;
  --lux-surface:       #111117;
  --lux-surface-2:     #18181f;
  --lux-surface-3:     #22222c;

  /* === Gold Spectrum (精錬ゴールド) === */
  --lux-gold:          #c9a84c;
  --lux-gold-light:    #e8c96a;
  --lux-gold-pale:     #f2e0aa;
  --lux-gold-dim:      #7a6530;
  --lux-gold-glow:     rgba(201,168,76,0.18);

  /* === Typography (暖白) === */
  --lux-white:         #f5f0e8;
  --lux-cream:         #e8e2d6;
  --lux-muted:         rgba(232,226,214,0.55);
  --lux-subtle:        rgba(232,226,214,0.30);

  /* === Borders (極細ゴールド) === */
  --lux-border:        rgba(201,168,76,0.12);
  --lux-border-mid:    rgba(201,168,76,0.24);
  --lux-border-strong: rgba(201,168,76,0.50);

  /* === M3 mapping (後方互換) === */
  --md-sys-color-primary:              var(--lux-gold);
  --md-sys-color-on-primary:           #120d00;
  --md-sys-color-primary-container:    rgba(201,168,76,0.10);
  --md-sys-color-on-primary-container: var(--lux-gold-light);
  --md-sys-color-secondary:            var(--lux-gold-light);
  --md-sys-color-on-secondary:         #120d00;
  --md-sys-color-secondary-container:  rgba(201,168,76,0.08);
  --md-sys-color-on-secondary-container: var(--lux-gold);
  --md-sys-color-background:           var(--lux-void);
  --md-sys-color-on-background:        var(--lux-cream);
  --md-sys-color-surface:              var(--lux-surface);
  --md-sys-color-on-surface:           var(--lux-cream);
  --md-sys-color-surface-variant:      var(--lux-surface-2);
  --md-sys-color-on-surface-variant:   var(--lux-muted);
  --md-sys-color-surface-tonal:        var(--lux-deep);
  --md-sys-color-outline:              var(--lux-border);
  --md-sys-color-outline-variant:      rgba(201,168,76,0.07);
  --md-sys-color-error:                #cf6679;
  --md-sys-color-on-error:             #1a0008;

  /* === Brand tokens (JS / Three.js compat) === */
  --brand-gold:        var(--lux-gold);
  --brand-gold-light:  var(--lux-gold-light);
  --brand-navy:        var(--lux-void);
  --brand-navy-deep:   #030306;
  --brand-navy-mid:    var(--lux-deep);
  --brand-white:       var(--lux-white);

  /* === M3 Shape (洗練された小さめ角丸) === */
  --md-shape-none:  0px;
  --md-shape-xs:    3px;
  --md-shape-sm:    6px;
  --md-shape-md:    10px;
  --md-shape-lg:    14px;
  --md-shape-xl:    18px;
  --md-shape-full:  9999px;

  /* === M3 Motion (優雅にゆっくり) === */
  --md-motion-standard:            cubic-bezier(0.2, 0, 0, 1);
  --md-motion-standard-decelerate: cubic-bezier(0, 0, 0, 1);
  --md-motion-standard-accelerate: cubic-bezier(0.3, 0, 1, 1);
  --md-motion-emphasized:          cubic-bezier(0.16, 1, 0.3, 1);
  --md-duration-short2:  150ms;
  --md-duration-short4:  300ms;
  --md-duration-medium2: 450ms;
  --md-duration-medium4: 600ms;
  --md-duration-long2:   800ms;

  /* === M3 Typography Scale === */
  --md-sys-typescale-display-large:   57px;
  --md-sys-typescale-display-medium:  45px;
  --md-sys-typescale-display-small:   36px;
  --md-sys-typescale-headline-large:  32px;
  --md-sys-typescale-headline-medium: 28px;
  --md-sys-typescale-headline-small:  22px;
  --md-sys-typescale-title-large:     20px;
  --md-sys-typescale-title-medium:    16px;
  --md-sys-typescale-title-small:     14px;
  --md-sys-typescale-body-large:      16px;
  --md-sys-typescale-body-medium:     14px;
  --md-sys-typescale-body-small:      12px;
  --md-sys-typescale-label-large:     13px;
  --md-sys-typescale-label-medium:    11px;
  --md-sys-typescale-label-small:     10px;
}

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

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

body {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: var(--lux-void);
  color: var(--lux-cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── 固定ゴールドトップライン（高級感の象徴） ── */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--lux-gold-dim) 20%,
    var(--lux-gold) 50%,
    var(--lux-gold-dim) 80%,
    transparent 100%);
  z-index: 9999;
  pointer-events: none;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul { list-style: none; }

.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  vertical-align: middle;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ----------------------------------------------------------
   4. Layout Utilities
---------------------------------------------------------- */
.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 112px 0;
}

/* 明暗のメリハリ：山stonalは明確に異なる㌁1段陰い背景 */
.section-tonal {
  background-color: #15151e;
  box-shadow: inset 0 1px 0 var(--lux-border), inset 0 -1px 0 var(--lux-border);
}

/* セクション間の極細ゴールドライン */
.section + .section {
  border-top: 1px solid var(--lux-border);
}

/* ----------------------------------------------------------
   5. M3 Components — Buttons
   https://m3.material.io/components/buttons
---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--md-shape-full);
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--md-sys-typescale-label-large);
  font-weight: 500;
  letter-spacing: 0.1px;
  cursor: pointer;
  border: none;
  transition:
    background-color var(--md-duration-short4) var(--md-motion-standard),
    box-shadow      var(--md-duration-short4) var(--md-motion-standard),
    transform       var(--md-duration-short4) var(--md-motion-standard);
  position: relative;
  overflow: hidden;
  user-select: none;
  white-space: nowrap;
}

/* State Layer (M3) */
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: currentColor;
  opacity: 0;
  transition: opacity var(--md-duration-short2) var(--md-motion-standard);
}
.btn:hover::before   { opacity: 0.08; }
.btn:focus::before   { opacity: 0.12; }
.btn:active::before  { opacity: 0.12; }
.btn:active          { transform: scale(0.97); }

/* Filled Button — Luxury Gold */
.btn-filled {
  background: linear-gradient(135deg, var(--lux-gold) 0%, var(--lux-gold-dim) 100%);
  color: #0e0a00;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 2px 12px rgba(201,168,76,0.25), 0 1px 3px rgba(0,0,0,0.5);
}
.btn-filled:hover {
  box-shadow: 0 4px 24px rgba(201,168,76,0.40), 0 2px 8px rgba(0,0,0,0.5);
  background: linear-gradient(135deg, var(--lux-gold-light) 0%, var(--lux-gold) 100%);
}

/* Tonal Button — Outlined Gold */
.btn-tonal {
  background: transparent;
  color: var(--lux-gold);
  border: 1px solid var(--lux-border-mid);
  font-weight: 500;
  letter-spacing: 0.3px;
}
.btn-tonal:hover {
  background: rgba(201,168,76,0.07);
  border-color: var(--lux-border-strong);
  box-shadow: 0 0 20px rgba(201,168,76,0.12);
}

/* Outlined White — 上品なガラスボタン */
.btn-outlined-white {
  background: rgba(255,255,255,0.04);
  color: var(--lux-cream);
  border: 1px solid rgba(245,240,232,0.25);
  backdrop-filter: blur(8px);
  letter-spacing: 0.3px;
}
.btn-outlined-white:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(245,240,232,0.5);
}

/* Sizes */
.btn-large  { padding: 14px 36px; font-size: 15px; }
.btn-xlarge { padding: 18px 44px; font-size: 16px; font-weight: 700; letter-spacing: 0.8px; }
.btn-full   { width: 100%; justify-content: center; }

/* ----------------------------------------------------------
   6. Glassmorphism Cards — グラスモーフィズム
---------------------------------------------------------- */
.card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  border-radius: var(--md-shape-xl);
  border: 1px solid var(--lux-border);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition:
    transform      var(--md-duration-medium2) var(--md-motion-emphasized),
    box-shadow     var(--md-duration-medium2) var(--md-motion-emphasized),
    border-color   var(--md-duration-short4)  var(--md-motion-standard),
    background     var(--md-duration-short4)  var(--md-motion-standard);
}
/* ゴールドシマー（ホバー時の上部ライン） */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lux-gold), transparent);
  opacity: 0;
  transition: opacity var(--md-duration-medium2) var(--md-motion-emphasized);
}
.card:hover {
  transform: translateY(-5px);
  background: rgba(255,255,255,0.08);
  box-shadow:
    0 16px 48px rgba(0,0,0,0.6),
    0 0 40px rgba(201,168,76,0.08),
    inset 0 1px 0 rgba(201,168,76,0.08);
  border-color: var(--lux-border-mid);
}
.card:hover::after {
  opacity: 1;
}

/* ----------------------------------------------------------
   7. Navigation Bar (M3)
   https://m3.material.io/components/navigation-bar
---------------------------------------------------------- */
.nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7,7,11,0.82);
  backdrop-filter: blur(28px) saturate(1.6);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
  border-bottom: 1px solid var(--lux-border);
  transition: background var(--md-duration-medium2) var(--md-motion-standard),
              box-shadow  var(--md-duration-medium2) var(--md-motion-standard);
}
.nav-bar.scrolled {
  background: rgba(5,5,9,0.96);
  box-shadow: 0 1px 32px rgba(0,0,0,0.7), 0 0 0 1px var(--lux-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  height: 60px;
  gap: 16px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo-img {
  height: 32px;
  width: 32px;
  object-fit: contain;
  border-radius: var(--md-shape-sm);
}
.nav-logo-text {
  font-size: 16px;
  font-weight: 300;
  color: var(--lux-cream);
  letter-spacing: 2px;
  text-transform: uppercase;
}
.nav-logo-text strong {
  color: var(--lux-gold);
  font-weight: 600;
}
.nav-links {
  display: flex;
  gap: 0;
  margin-left: auto;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 0;
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--lux-muted);
  position: relative;
  transition: color var(--md-duration-short4) var(--md-motion-standard);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  right: 50%;
  height: 1px;
  background: var(--lux-gold);
  transition: left var(--md-duration-medium2) var(--md-motion-emphasized),
              right var(--md-duration-medium2) var(--md-motion-emphasized);
}
.nav-link:hover {
  color: var(--lux-cream);
  background: transparent;
}
.nav-link:hover::after {
  left: 16px;
  right: 16px;
}
.nav-cta {
  margin-left: 16px;
  font-size: 11px;
  padding: 8px 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--lux-cream);
  cursor: pointer;
  padding: 8px;
  border-radius: var(--md-shape-sm);
  margin-left: auto;
}
.mobile-menu {
  display: none;
  flex-direction: column;
  padding: 16px 24px 24px;
  gap: 2px;
  background: rgba(5,5,9,0.98);
  border-top: 1px solid var(--lux-border);
  animation: slideDown var(--md-duration-medium2) var(--md-motion-emphasized);
}
.mobile-menu.open { display: flex; }
.mobile-link {
  padding: 14px 16px;
  border-radius: 0;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--lux-muted);
  border-bottom: 1px solid var(--lux-border);
  transition: color var(--md-duration-short4) var(--md-motion-standard),
              padding-left var(--md-duration-short4) var(--md-motion-standard);
}
.mobile-link:hover {
  color: var(--lux-gold);
  padding-left: 24px;
  background: transparent;
}
.mobile-cta { margin-top: 12px; text-align: center; justify-content: center; border-bottom: none; }

/* ----------------------------------------------------------
   8. Hero Section
---------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.55;
  transform: scale(1.05);
  animation: heroZoom 20s linear infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.05); }
  to   { transform: scale(1.15); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7,20,40,0.45) 0%, rgba(7,20,40,0.88) 60%, rgba(7,20,40,1) 100%),
    linear-gradient(90deg, rgba(7,20,40,0.90) 0%, rgba(7,20,40,0.65) 45%, rgba(7,20,40,0.15) 80%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 10;
  padding-top: 80px;
  padding-bottom: 120px;
  max-width: 760px;
  animation: fadeUpIn var(--md-duration-long2) var(--md-motion-standard-decelerate) both;
}
@keyframes fadeUpIn {
  from { opacity: 0; transform: translateY(32px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 168, 76, 0.15);
  border: 1px solid rgba(201, 168, 76, 0.4);
  color: var(--brand-gold);
  padding: 6px 16px;
  border-radius: var(--md-shape-full);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 24px;
}
.hero-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(36px, 6vw, 70px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--brand-white);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
  text-shadow:
    0 2px 12px rgba(7,20,40,0.95),
    0 4px 32px rgba(7,20,40,0.85),
    0 8px 60px rgba(7,20,40,0.7);
}
.hero-accent {
  color: var(--lux-gold);
}
.hero-subtext {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(224, 232, 245, 0.92);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
  text-shadow: 0 1px 8px rgba(7,20,40,0.98), 0 2px 20px rgba(7,20,40,0.9);
}
.pc-br { display: inline; }
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}
.hero-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--brand-gold);
  line-height: 1;
}
.stat-unit {
  font-size: 14px;
  font-weight: 400;
  margin-left: 2px;
}
.stat-label {
  font-size: 12px;
  color: var(--md-sys-color-on-surface-variant);
  letter-spacing: 0.5px;
}
.stat-divider {
  width: 1px;
  background: var(--md-sys-color-outline);
  align-self: stretch;
}
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

/* Three.js Hero Canvas */
#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.2s ease;
}
#hero-canvas.ready {
  opacity: 0.62;
}
.scroll-dot {
  width: 6px;
  height: 6px;
  background: var(--brand-gold);
  border-radius: 50%;
  animation: scrollBounce 2s ease infinite;
}
@keyframes scrollBounce {
  0%,100% { transform: translateY(0); opacity: 1; }
  50%      { transform: translateY(12px); opacity: 0.4; }
}

/* ----------------------------------------------------------
   9. Section Common Styles
---------------------------------------------------------- */
.section-label {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--lux-gold);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--lux-gold);
  flex-shrink: 0;
}
.section-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 300;
  line-height: 1.25;
  color: var(--lux-white);
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.section-heading strong {
  font-weight: 700;
  color: var(--lux-white);
}
.section-subtext {
  font-size: 15px;
  color: var(--lux-muted);
  margin-bottom: 64px;
  max-width: 520px;
  line-height: 1.9;
  font-weight: 300;
}

/* ----------------------------------------------------------
   10. About Section
---------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 64px;
}
.about-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.about-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 0;
  background: transparent;
  border: 1px solid var(--lux-border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: border-color var(--md-duration-short4) var(--md-motion-standard);
}
.about-card:hover .about-card-icon {
  border-color: var(--lux-gold);
}
.about-card-icon .material-symbols-outlined {
  font-size: 22px;
  color: var(--lux-gold);
}
.about-card-title {
  font-size: var(--md-sys-typescale-title-large);
  font-weight: 700;
  color: var(--brand-white);
}
.about-card-text {
  font-size: var(--md-sys-typescale-body-large);
  color: var(--md-sys-color-on-surface-variant);
  line-height: 1.75;
}

/* Compare Table */
.compare-section {
  margin-top: 16px;
}
.compare-title {
  font-size: var(--md-sys-typescale-headline-small);
  font-weight: 700;
  color: var(--brand-white);
  margin-bottom: 28px;
  text-align: center;
}
.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--md-shape-xl);
  border: 1px solid var(--md-sys-color-outline);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.compare-table th,
.compare-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}
.compare-table thead th {
  background: var(--md-sys-color-surface-variant);
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--md-sys-color-on-surface-variant);
}
.compare-table tbody tr:last-child td {
  border-bottom: none;
}
.compare-table tbody tr {
  transition: background-color var(--md-duration-short4) var(--md-motion-standard);
}
.compare-table tbody tr:hover {
  background-color: rgba(255,255,255,0.03);
}
.col-other { color: #e57777; }
.col-noah  { color: #7ec8a0; }
.compare-table thead .col-other { color: #e57777; background: rgba(229,119,119,0.1); }
.compare-table thead .col-noah  { color: var(--brand-gold); background: rgba(201,168,76,0.1); }
.icon-good { color: #7ec8a0; font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24; }
.icon-bad  { color: #e57777; }
.compare-table td .material-symbols-outlined {
  vertical-align: middle;
  margin-right: 6px;
  font-size: 18px;
}

/* ----------------------------------------------------------
   11. Features Section
---------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 20px;
}
.feature-large {
  grid-column: 1 / 3;
  background: linear-gradient(135deg,
    rgba(201,168,76,0.04) 0%,
    rgba(255,255,255,0.02) 100%);
  border-color: var(--lux-border-mid);
}
.feature-large:hover {
  border-color: var(--lux-border-strong);
}
.feature-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 32px;
}
.feature-card-inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 0;
  background: transparent;
  border: 1px solid var(--lux-border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: none;
  transition: border-color var(--md-duration-short4) var(--md-motion-standard),
              box-shadow   var(--md-duration-short4) var(--md-motion-standard);
}
.feature-card:hover .feature-icon {
  border-color: var(--lux-gold);
  box-shadow: 0 0 20px rgba(201,168,76,0.15);
}
.feature-icon .material-symbols-outlined {
  font-size: 22px;
  color: var(--lux-gold);
  font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24;
}
.feature-title {
  font-size: var(--md-sys-typescale-title-large);
  font-weight: 700;
  color: var(--brand-white);
}
.feature-desc {
  font-size: 14px;
  color: var(--md-sys-color-on-surface-variant);
  line-height: 1.75;
}
.feature-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--md-shape-full);
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  align-self: flex-start;
}
.coming-soon {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--md-shape-full);
  background: rgba(107,95,165,0.25);
  color: #b8aee8;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.5px;
  vertical-align: middle;
  margin-left: 6px;
}

/* ----------------------------------------------------------
   12. Pricing Section
---------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 880px;
  margin: 0 auto;
}
.pricing-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  overflow: hidden;
}
.pricing-header {
  padding: 32px 32px 24px;
  border-bottom: 1px solid var(--lux-border);
  position: relative;
}
.plan-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 0;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.badge-standard {
  background: transparent;
  color: var(--lux-muted);
  border: 1px solid var(--lux-border-mid);
}
.badge-premium {
  background: transparent;
  color: var(--lux-gold);
  border: 1px solid var(--lux-border-strong);
}
.plan-name {
  font-family: 'Noto Serif JP', serif;
  font-size: var(--md-sys-typescale-headline-small);
  font-weight: 300;
  color: var(--lux-white);
  letter-spacing: 1px;
}
.plan-recommend {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 3px 10px;
  border-radius: 0;
  background: transparent;
  color: var(--lux-gold);
  border: 1px solid var(--lux-border-strong);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.pricing-price-block {
  padding: 28px 32px;
  border-bottom: 1px solid var(--lux-border);
}
.price-annual {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.price-label {
  font-size: 12px;
  color: var(--md-sys-color-on-surface-variant);
  font-weight: 500;
  white-space: nowrap;
}
.price-value {
  font-family: 'Noto Serif JP', serif;
  font-size: 36px;
  font-weight: 300;
  color: var(--lux-gold-light);
  line-height: 1;
  letter-spacing: -0.5px;
}
.price-tax {
  font-size: 12px;
  color: var(--md-sys-color-on-surface-variant);
}
.price-monthly {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.price-monthly-val {
  font-size: 18px;
  font-weight: 400;
  color: var(--lux-muted);
}
.plan-features {
  padding: 24px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex: 1;
}
.plan-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--lux-muted);
}
.plan-feature .material-symbols-outlined { font-size: 16px; flex-shrink: 0; }
.plan-feature-ok   { color: var(--lux-cream); }
.plan-feature-ok   .material-symbols-outlined { color: var(--lux-gold); font-variation-settings: 'FILL' 0, 'wght' 300, 'GRAD' 0, 'opsz' 24; }
.plan-feature-limit{ color: var(--lux-muted); }
.plan-feature-limit .material-symbols-outlined { color: var(--lux-gold-dim); }
.plan-feature-ng   { color: var(--lux-subtle); }
.plan-feature-ng   .material-symbols-outlined { color: rgba(201,168,76,0.2); }
.pricing-card .btn  { margin: 4px 32px 32px; }
.pricing-card-premium {
  border-color: var(--lux-border-mid);
  box-shadow: 0 0 60px rgba(201,168,76,0.06), 0 0 0 1px var(--lux-border);
  position: relative;
}
.pricing-card-premium:hover {
  border-color: var(--lux-border-strong);
  box-shadow: 0 0 80px rgba(201,168,76,0.12), 0 20px 60px rgba(0,0,0,0.6);
}
.premium-glow {
  position: absolute;
  top: -80px;
  right: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.08) 0%, transparent 70%);
  pointer-events: none;
}

/* ----------------------------------------------------------
   13. Campaign Section
---------------------------------------------------------- */
.section-campaign {
  background: var(--lux-void);
  border-top: 1px solid var(--lux-border);
  border-bottom: 1px solid var(--lux-border);
  position: relative;
  overflow: hidden;
}
.section-campaign::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,76,0.05) 0%, transparent 60%);
  pointer-events: none;
}
.campaign-inner {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.campaign-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid var(--lux-border-mid);
  color: var(--lux-gold);
  padding: 6px 20px;
  border-radius: 0;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 32px;
  animation: pulseBorder 4s ease infinite;
}
@keyframes pulseBorder {
  0%,100% { box-shadow: 0 0 0 0 rgba(201,168,76,0.3); }
  50%      { box-shadow: 0 0 0 6px rgba(201,168,76,0); }
}
.campaign-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 300;
  line-height: 1.3;
  color: var(--lux-white);
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.campaign-num    { color: var(--brand-gold); }
.campaign-accent { color: var(--brand-gold); }
.campaign-desc {
  font-size: 16px;
  color: var(--md-sys-color-on-surface-variant);
  margin-bottom: 48px;
}
.campaign-cards {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.campaign-plan-card {
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--lux-border);
  border-radius: var(--md-shape-xl);
  padding: 32px 40px;
  min-width: 240px;
  transition: transform var(--md-duration-medium2) var(--md-motion-emphasized),
              box-shadow  var(--md-duration-medium2) var(--md-motion-emphasized),
              border-color var(--md-duration-short4) var(--md-motion-standard);
}
.campaign-plan-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  border-color: var(--lux-border-mid);
}
.campaign-plan-premium {
  border-color: rgba(201,168,76,0.5);
  background: linear-gradient(135deg, var(--md-sys-color-surface), rgba(201,168,76,0.05));
}
.campaign-plan-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--brand-gold);
  margin-bottom: 12px;
}
.campaign-price-original {
  font-size: 13px;
  color: var(--md-sys-color-on-surface-variant);
  text-decoration: line-through;
  margin-bottom: 6px;
}
.campaign-price-new {
  font-size: 16px;
  font-weight: 700;
  color: var(--brand-white);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 10px;
}
.campaign-price-big {
  font-size: 36px;
  font-weight: 900;
  color: var(--brand-gold);
  line-height: 1;
}
.campaign-price-unit {
  font-size: 12px;
  color: var(--md-sys-color-on-surface-variant);
}
.campaign-saving {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--md-shape-full);
  background: rgba(126,200,160,0.15);
  color: #7ec8a0;
  font-size: 12px;
  font-weight: 700;
}
.campaign-cta     { margin-bottom: 20px; }
.campaign-note    { font-size: 12px; color: var(--md-sys-color-on-surface-variant); line-height: 1.6; }

/* ----------------------------------------------------------
   14. Apply (Steps) Section
---------------------------------------------------------- */
.apply-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 56px;
  flex-wrap: wrap;
}
.apply-step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex: 1;
  min-width: 180px;
}
.step-num {
  width: 40px;
  height: 40px;
  border-radius: 0;
  background: transparent;
  border: 1px solid var(--lux-border-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Noto Serif JP', serif;
  font-size: 16px;
  font-weight: 300;
  color: var(--lux-gold);
  flex-shrink: 0;
  box-shadow: none;
  letter-spacing: 1px;
}
.step-content {
  padding-top: 4px;
}
.step-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--lux-cream);
  margin-bottom: 8px;
  letter-spacing: 0.3px;
}
.step-desc {
  font-size: 12px;
  color: var(--lux-muted);
  line-height: 1.7;
  font-weight: 300;
}
.step-connector {
  flex: 0 0 60px;
  height: 1px;
  background: linear-gradient(90deg, var(--lux-border-mid), var(--lux-border));
  margin-top: 20px;
  align-self: auto;
}
.apply-cta-wrap {
  text-align: center;
}

/* ----------------------------------------------------------
   15. Footer
---------------------------------------------------------- */
.footer {
  background-color: #030306;
  border-top: 1px solid var(--lux-border);
  padding: 56px 0 36px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: start;
  gap: 40px;
}
.footer-logo-text {
  font-size: 15px;
  font-weight: 300;
  color: var(--lux-cream);
  display: block;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.footer-logo-text strong { color: var(--lux-gold); font-weight: 600; }
.footer-tagline {
  font-size: 12px;
  color: var(--lux-muted);
  font-weight: 300;
  letter-spacing: 0.5px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: center;
}
.footer-link {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--lux-muted);
  position: relative;
  display: inline-block;
  transition: color var(--md-duration-short4) var(--md-motion-standard);
}
.footer-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  right: 50%;
  height: 1px;
  background: var(--lux-gold);
  transition: left var(--md-duration-medium2) var(--md-motion-emphasized),
              right var(--md-duration-medium2) var(--md-motion-emphasized);
}
.footer-link:hover { color: var(--lux-gold); }
.footer-link:hover::after { left: 0; right: 0; }
.footer-info {
  text-align: right;
}
.footer-operator, .footer-copy {
  font-size: 11px;
  color: var(--lux-muted);
  line-height: 2;
  font-weight: 300;
  letter-spacing: 0.3px;
}

/* ----------------------------------------------------------
   16. Animations & Scroll Reveal
---------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity  var(--md-duration-long2)  var(--md-motion-standard-decelerate),
    transform var(--md-duration-long2) var(--md-motion-standard-decelerate);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* ----------------------------------------------------------
   17. Responsive — Tablet (max 960px)
---------------------------------------------------------- */
@media (max-width: 960px) {
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
  .feature-large {
    grid-column: 1 / -1;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .footer-info { text-align: center; }
}

/* ----------------------------------------------------------
   18. Responsive — Mobile (max 680px)
---------------------------------------------------------- */
@media (max-width: 680px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: none; }
  .mobile-menu.open { display: flex; }

  .hero-content        { padding-top: 100px; }
  .hero-actions        { flex-direction: column; }
  .hero-stats          { gap: 20px; }
  .stat-divider        { display: none; }
  .pc-br               { display: none; }

  .section             { padding: 64px 0; }
  .about-grid          { grid-template-columns: 1fr; }
  .features-grid       { grid-template-columns: 1fr; }
  .feature-large       { grid-column: auto; }

  .pricing-grid        { grid-template-columns: 1fr; }

  .apply-steps         { flex-direction: column; gap: 24px; }
  .step-connector      { display: none; }

  .campaign-cards      { flex-direction: column; align-items: center; }
  .campaign-arrow      { transform: rotate(90deg); }

  .compare-table th,
  .compare-table td    { padding: 12px 14px; font-size: 12px; }
}

/* ----------------------------------------------------------
   19. Scrollbar Styling
---------------------------------------------------------- */
::-webkit-scrollbar       { width: 8px; }
::-webkit-scrollbar-track { background: var(--brand-navy-deep); }
::-webkit-scrollbar-thumb {
  background: var(--md-sys-color-outline);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--md-sys-color-primary); }

/* ----------------------------------------------------------
   20. Focus Visible (Accessibility)
---------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--md-sys-color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ----------------------------------------------------------
   Slide Down animation for mobile menu
---------------------------------------------------------- */
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}