/* =====================================================
   TOYOTOMO SHOJI — style.css
   Framework-inspired industrial minimalism + Japanese aesthetics
   ===================================================== */

/* ── CSS Custom Properties ── */
:root {
  --navy:        #003366;
  --navy-light:  #004080;
  --navy-dark:   #001a33;
  --gold:        #C8982A;
  --gold-light:  #E8B84B;
  --gold-dim:    rgba(200,152,42,0.15);
  --white:       #FFFFFF;
  --off-white:   #F8F8F6;
  --border:      #E5E7EB;
  --border-dark: #D1D5DB;
  --text-primary:  #0A1628;
  --text-secondary:#4B5563;
  --text-muted:    #9CA3AF;
  --card-bg:     #FFFFFF;
  --section-alt: #F4F6F9;
  --transition:  0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:   0 4px 20px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-lg:   0 20px 60px rgba(0,51,102,0.12), 0 8px 24px rgba(0,0,0,0.06);
  --shadow-glow: 0 0 30px rgba(0,51,102,0.2), 0 8px 32px rgba(0,51,102,0.12);
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --max-w:       1260px;
  --font-jp:     'Noto Sans JP', sans-serif;
  --font-en:     'Inter', sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-jp);
  font-weight: 400;
  color: var(--text-primary);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Particle Canvas ── */
#particleCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── Container ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  position: relative;
  z-index: 1;
}

/* ══════════════════════════════ NAVBAR ═══ */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition);
  padding: 0;
  background: rgba(0, 20, 50, 0.72);
  backdrop-filter: blur(12px);
}
#navbar.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border), 0 4px 24px rgba(0,0,0,0.06);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  position: relative;
  width: 200px;
  height: 80px;
  flex-shrink: 0;
}
.logo-img {
  position: absolute;
  top: 0;
  left: 0;
  height: 80px;
  width: 200px;
  object-fit: contain;
  object-position: left center;
  transition: opacity 0.4s ease, visibility 0.4s ease, transform var(--transition);
}
.logo-img:hover { transform: scale(1.03); }

/* 預設（深色背景）: logo3 白色版顯示，logo 彩色版隱藏 */
.logo-dark  { opacity: 1; visibility: visible; }
.logo-light { opacity: 0; visibility: hidden; }

/* 捲動後（白色背景）: logo 彩色版顯示，logo3 白色版隱藏 */
#navbar.scrolled .logo-dark  { opacity: 0; visibility: hidden; }
#navbar.scrolled .logo-light { opacity: 1; visibility: visible; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-links a {
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,0.88);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  letter-spacing: 0.03em;
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,0.12); }
#navbar.scrolled .nav-links a { color: var(--text-secondary); }
#navbar.scrolled .nav-links a:hover { color: var(--navy); background: rgba(0,51,102,0.05); }
.nav-btn {
  background: var(--navy) !important;
  color: var(--white) !important;
  padding: 9px 20px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 500 !important;
  margin-left: 8px;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition) !important;
}
.nav-btn:hover {
  background: var(--navy-light) !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,51,102,0.25) !important;
}

/* Hamburger */
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 6px; }
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 96px; left: 0; right: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 999;
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  transform: translateY(-110%);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1), opacity 0.3s;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: all;
}
.mob-link {
  padding: 14px 40px;
  font-size: 15px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), background var(--transition);
}
.mob-link:last-child { border-bottom: none; }
.mob-link:hover { color: var(--navy); background: rgba(0,51,102,0.04); }
.mob-cta {
  background: var(--navy);
  color: var(--white) !important;
  margin: 12px 40px 4px;
  border-radius: var(--radius-sm);
  text-align: center;
  border-bottom: none !important;
}
.mob-cta:hover { background: var(--navy-light) !important; }

/* ══════════════════════════════ HERO ═══ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 640px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s cubic-bezier(0.4,0,0.2,1);
  transform: scale(1.04);
  animation: kenburns 12s ease-in-out infinite alternate;
}
.hero-slide.active { opacity: 1; }
@keyframes kenburns {
  0%   { transform: scale(1.04) translate(0,0); }
  100% { transform: scale(1.0) translate(-1%,-0.5%); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0,26,51,0.82) 0%,
    rgba(0,51,102,0.60) 40%,
    rgba(0,26,51,0.40) 100%
  );
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  width: 100%;
  padding-top: 96px;
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.ey-line {
  flex: 0 0 32px;
  height: 1px;
  background: rgba(255,255,255,0.35);
}
.hero-title {
  font-family: var(--font-jp);
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 300;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}
.hero-title em {
  font-style: normal;
  color: var(--gold-light);
  font-weight: 500;
}
.hero-sub {
  font-family: var(--font-jp);
  font-size: clamp(14px, 1.6vw, 17px);
  font-weight: 300;
  line-height: 2;
  color: rgba(255,255,255,0.78);
  max-width: 560px;
  margin-bottom: 40px;
  letter-spacing: 0.04em;
}
.hero-sub strong { color: var(--gold-light); font-weight: 500; }

/* Buttons */
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--navy);
  color: var(--white);
  border: 1.5px solid var(--navy);
}
.btn-primary:hover {
  background: var(--navy-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,51,102,0.35);
}
.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border: 1.5px solid rgba(255,255,255,0.35);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.7);
  transform: translateY(-2px);
}
.btn-gold {
  background: var(--gold);
  color: var(--navy-dark);
  border: 1.5px solid var(--gold);
  font-weight: 600;
}
.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(200,152,42,0.35);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}
.h-stat { display: flex; flex-direction: column; }
.h-num {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 600;
  color: var(--gold-light);
  line-height: 1;
}
.h-num sup { font-size: 13px; font-weight: 400; vertical-align: super; }
.h-lbl {
  font-family: var(--font-jp);
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  margin-top: 5px;
  letter-spacing: 0.05em;
}
.h-div { width: 1px; height: 36px; background: rgba(255,255,255,0.2); }

/* Slide Dots */
.slide-dots {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  transition: all 0.4s;
  border: none;
}
.dot.active {
  background: var(--gold-light);
  width: 24px;
  border-radius: 4px;
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  right: 40px;
  bottom: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 3;
}
.hero-scroll-hint span {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
}
.scroll-bar {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(0.6); }
}

/* ══════════════════════════════ TICKER ═══ */
.ticker-wrap {
  position: relative;
  z-index: 2;
  background: var(--navy);
  overflow: hidden;
  padding: 12px 0;
  border-top: 1px solid rgba(200,152,42,0.2);
  border-bottom: 1px solid rgba(200,152,42,0.2);
}
.ticker-track {
  display: flex;
  align-items: center;
  white-space: nowrap;
  animation: ticker 40s linear infinite;
  width: max-content;
}
.ticker-track span {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.75);
  padding: 0 20px;
  text-transform: uppercase;
}
.ticker-track i {
  color: var(--gold);
  font-style: normal;
  font-size: 8px;
}
@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ══════════════════════════════ SECTION BASE ═══ */
.section {
  position: relative;
  padding: 100px 0;
  z-index: 1;
  overflow: hidden;
}
.sec-alt { background: var(--section-alt); }
.ind-sec { background: var(--navy); }
.str-sec { background: var(--navy-dark); }

/* Section Header */
.sec-head { text-align: center; margin-bottom: 72px; }
.sec-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 18px;
}
.sec-title {
  font-family: var(--font-jp);
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 300;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.sec-title em {
  font-style: normal;
  color: var(--navy);
  font-weight: 500;
}
.sec-head.light .sec-title { color: var(--white); }
.sec-head.light .sec-title em { color: var(--gold-light); }
.sec-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 560px;
  margin: 0 auto;
}
.sec-head.light .sec-desc { color: rgba(255,255,255,0.65); }

/* ══════════════════════════ CONCEPT ═══ */
/* Bridge */
.bridge-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 72px;
}
.bridge-node {
  flex: 0 0 160px;
  text-align: center;
}
.b-flag {
  font-size: 36px;
  margin-bottom: 10px;
  filter: drop-shadow(0 2px 8px rgba(0,0,0,0.15));
}
.bridge-node p {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  line-height: 1.5;
}
.bridge-center {
  flex: 1;
  position: relative;
  height: 150px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  max-width: 480px;
  padding: 0 10px;
}
.bridge-svg {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 80px;
  overflow: visible;
}
.bridge-logo {
  position: relative;
  z-index: 2;
  height: 64px;
  width: auto;
  margin-top: 0;
  filter: drop-shadow(0 4px 16px rgba(0,51,102,0.25));
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.pillar-card {
  background: var(--card-bg);
  padding: 48px 40px;
  transition: background var(--transition), transform var(--transition);
  position: relative;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--navy), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.pillar-card:hover { background: #fafcff; }
.pillar-card:hover::before { transform: scaleX(1); }
.pillar-feat {
  background: var(--navy) !important;
}
.pillar-feat::before { display: none; }
.p-icon {
  width: 56px; height: 56px;
  margin-bottom: 28px;
}
.p-en {
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}
.pillar-feat .p-en { color: var(--white); }
.p-jp {
  font-family: var(--font-jp);
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 400;
}
.pillar-feat .p-jp { color: rgba(255,255,255,0.55); }
.p-desc {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--text-secondary);
}
.pillar-feat .p-desc { color: rgba(255,255,255,0.7); }

/* ═══════════════════════════ SUPPLIERS ═══ */
/* Matrix header */
.matrix-header {
  display: grid;
  grid-template-columns: 120px 1fr 1fr;
  gap: 1px;
  margin-bottom: 1px;
}
.mh-corner { background: transparent; }
.mh-col {
  background: var(--navy);
  color: var(--white);
  text-align: center;
  padding: 16px 24px;
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.mh-col small {
  display: block;
  font-family: var(--font-en);
  font-size: 10px;
  color: rgba(255,255,255,0.55);
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-top: 3px;
}

/* Supplier grid */
.sup-grid {
  display: grid;
  grid-template-columns: 120px 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  overflow: hidden;
}
.sup-row-lbl {
  background: var(--off-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px 12px;
  text-align: center;
  border-right: 1px solid var(--border);
}
.sup-row-lbl span {
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 600;
  color: var(--navy);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.sup-row-lbl small {
  font-family: var(--font-en);
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  line-height: 1.4;
  writing-mode: vertical-rl;
}

/* Supplier card */
.sup-card {
  background: var(--card-bg);
  padding: 36px 32px;
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.sup-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid transparent;
  border-radius: 0;
  transition: border-color var(--transition);
  pointer-events: none;
}
.sup-card:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
  z-index: 2;
}
.sup-card:hover::after { border-color: rgba(0,51,102,0.12); }

.sc-top { margin-bottom: 16px; }
.sc-badge {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.sc-names { margin-bottom: 10px; }
.sc-cn {
  display: block;
  font-family: var(--font-jp);
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
}
.sc-en {
  display: block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
  margin-top: 2px;
}
.sc-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--navy);
  background: rgba(0,51,102,0.08);
  border: 1px solid rgba(0,51,102,0.15);
  padding: 3px 10px;
  border-radius: 100px;
}
.sc-desc {
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

/* Products inside card */
.sc-prods { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.sc-prod {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  background: var(--off-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.sc-prod:hover {
  border-color: rgba(0,51,102,0.2);
  box-shadow: var(--shadow-sm);
}
.sc-prod img {
  width: 60px;
  height: 52px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
  transition: transform 0.5s ease;
}
.sc-prod:hover img { transform: scale(1.06); }
.sp-name {
  display: block;
  font-family: var(--font-jp);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 3px;
}
.sp-desc {
  display: block;
  font-size: 11.5px;
  color: var(--text-muted);
  line-height: 1.5;
}
.sc-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.sc-tags span {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--navy);
  border: 1px solid var(--border-dark);
  padding: 3px 10px;
  border-radius: 100px;
  transition: border-color var(--transition), background var(--transition);
}
.sc-tags span:hover { border-color: var(--navy); background: rgba(0,51,102,0.06); }

/* ═════════════════════════ INDUSTRIES ═══ */
.wm-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  overflow: hidden;
}
.wm-bg img {
  width: 56%;
  max-width: 560px;
  opacity: 0.04;
  filter: invert(1) brightness(10);
}
.cta-wm {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  overflow: hidden;
}
.cta-wm img {
  width: 52%;
  max-width: 520px;
  opacity: 0.05;
  filter: invert(1) brightness(10);
}

/* Industry thumbs */
.ind-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 72px;
}
.ind-thumb {
  position: relative;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  transition: transform var(--transition);
}
.ind-thumb:hover { transform: translateY(-6px); }
.ind-thumb-circle {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(255,255,255,0.15);
  box-shadow: 0 8px 32px rgba(0,0,0,0.35);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.ind-thumb:hover .ind-thumb-circle {
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), 0 0 0 3px rgba(200,152,42,0.5);
  border-color: rgba(200,152,42,0.6);
}
.ind-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.ind-thumb:hover img { transform: scale(1.1); }
.ind-thumb span {
  font-family: var(--font-jp);
  font-size: 12px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.05em;
  text-align: center;
  line-height: 1.5;
}

/* Industry detail blocks */
.ind-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 80px;
  padding-bottom: 80px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.ind-block:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.ind-block.rev { direction: rtl; }
.ind-block.rev > * { direction: ltr; }
.ib-img {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 3px solid rgba(200,152,42,0.45);
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08), 0 12px 40px rgba(0,0,0,0.35);
  background: #07162b;
}
.ib-img img {
  width: 100%;
  height: 420px;
  object-fit: contain;
  display: block;
  padding: 16px;
  transition: transform 0.7s ease;
}
.ib-img:hover img { transform: scale(1.03); }
.ib-num {
  position: absolute;
  top: 20px;
  left: 20px;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--white);
  background: var(--gold);
  padding: 5px 12px;
  border-radius: 100px;
}
.ib-txt h3 {
  font-family: var(--font-jp);
  font-size: 24px;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.ib-intro {
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255,255,255,0.65);
  margin-bottom: 28px;
}
.ib-parts { display: flex; flex-direction: column; gap: 10px; }
.ib-parts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: background var(--transition), border-color var(--transition);
}
.ib-parts li:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(200,152,42,0.45);
  border-left-color: var(--gold-light);
}

/* 第1行：品牌名 + 製品タイプ（同一行・金色） */
.pt-row1 {
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.3;
}
.pt-row1 b {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}
.pt-type {
  font-family: var(--font-jp);
  font-size: 11px;
  font-weight: 600;
  color: var(--gold-light);
  letter-spacing: 0.05em;
}
.pt-row1 b + .pt-type::before {
  content: '·';
  margin-right: 6px;
  color: rgba(200,152,42,0.5);
}

/* 第2行：製品正式名称（白色・大きめ） */
.pt-row2 {
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.4;
  letter-spacing: 0.02em;
}

/* 第3行：用途説明（小字・灰色） */
.ib-parts li em {
  font-style: normal;
  font-family: var(--font-jp);
  font-size: 11.5px;
  color: rgba(255,255,255,0.45);
  line-height: 1.6;
  letter-spacing: 0.03em;
}

/* ══════════════════════ CROSS REFERENCE ═══ */
.cr-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  margin-bottom: 32px;
}
.cr-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 700px;
}
.cr-table thead tr {
  background: var(--navy);
}
.cr-table thead th {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  padding: 18px 24px;
  text-align: left;
  white-space: nowrap;
}
.cr-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.cr-table tbody tr:last-child { border-bottom: none; }
.cr-table tbody tr:hover { background: rgba(0,51,102,0.03); }
.cr-table td { padding: 20px 24px; vertical-align: middle; }
.cc {
  display: block;
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 600;
  color: var(--navy);
}
.ce {
  display: block;
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  letter-spacing: 0.05em;
}
.ci {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}
.cs {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.05em;
}
.ca {
  display: block;
  font-family: var(--font-jp);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-primary);
}
.cae {
  display: block;
  font-family: var(--font-en);
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 3px;
  letter-spacing: 0.05em;
}
.cr-note {
  text-align: center;
  font-family: var(--font-jp);
  font-size: 14px;
  color: var(--text-secondary);
  padding: 20px 32px;
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* ════════════════════════ STRENGTH ═══ */
.str-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.str-card {
  background: rgba(255,255,255,0.04);
  padding: 52px 44px;
  position: relative;
  transition: background var(--transition);
}
.str-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.str-card:hover { background: rgba(255,255,255,0.07); }
.str-card:hover::before { opacity: 1; }
.str-num {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 700;
  color: rgba(255,255,255,0.06);
  line-height: 1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}
.str-title {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
}
.str-title span {
  display: block;
  font-family: var(--font-jp);
  font-size: 13px;
  font-weight: 400;
  color: var(--gold-light);
  margin-top: 4px;
  letter-spacing: 0.05em;
}
.str-card p {
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(255,255,255,0.6);
  margin-top: 16px;
}

/* ════════════════════════ CONTACT CTA ═══ */
.cta-sec {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, #004d99 100%);
  position: relative;
  overflow: hidden;
}
.cta-sec::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(200,152,42,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.cta-inner { text-align: center; position: relative; z-index: 2; }
.cta-title {
  font-family: var(--font-jp);
  font-size: clamp(28px, 4vw, 52px);
  font-weight: 300;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 22px;
  letter-spacing: -0.01em;
}
.cta-desc {
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255,255,255,0.65);
  max-width: 520px;
  margin: 0 auto 48px;
}
.cta-info {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.ci-item { text-align: center; }
.ci-lbl {
  display: block;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.ci-val {
  font-family: var(--font-jp);
  font-size: 14px;
  color: var(--white);
  line-height: 1.7;
}
.ci-val a { color: var(--gold-light); }
.ci-val a:hover { text-decoration: underline; }
.ci-email a {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--gold-light);
}
.ci-tel a {
  font-family: var(--font-en);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--white);
}

/* ════════════════════════════ FOOTER ═══ */
.site-footer {
  background: var(--navy-dark);
  border-top: 2px solid rgba(200,152,42,0.35);
  padding: 56px 0 40px;
  position: relative;
  z-index: 1;
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 40px;
}
.f-brand { display: flex; flex-direction: column; gap: 10px; }
.f-logo {
  height: 72px;
  width: auto;
  object-fit: contain;
  opacity: 0.92;
  transition: opacity var(--transition), transform var(--transition);
}
.f-logo:hover {
  opacity: 1;
  transform: scale(1.02);
}
.f-brand p {
  font-family: var(--font-jp);
  font-size: 13px;
  color: rgba(255,255,255,0.72);
  line-height: 1.7;
  letter-spacing: 0.04em;
}
.f-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px 24px;
  text-align: center;
}
.f-nav a {
  font-family: var(--font-jp);
  font-size: 13px;
  color: rgba(255,255,255,0.68);
  transition: color var(--transition);
  white-space: nowrap;
  letter-spacing: 0.03em;
}
.f-nav a:hover { color: var(--gold-light); }
.f-copy {
  text-align: right;
}
.f-copy p {
  font-family: var(--font-en);
  font-size: 12px;
  color: rgba(255,255,255,0.58);
  line-height: 1.8;
  letter-spacing: 0.04em;
}

/* ═══════════════════════════ AOS Overrides ═══ */
[data-aos] { backface-visibility: hidden; }

/* ══════════════════════════════ RESPONSIVE ═══ */
@media (max-width: 1100px) {
  .matrix-header, .sup-grid {
    grid-template-columns: 90px 1fr 1fr;
  }
  .ind-block { gap: 36px; }
}

@media (max-width: 900px) {
  :root { --max-w: 100%; }
  .container { padding: 0 24px; }
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .nav-inner { padding: 0 24px; }

  .hero-content { padding: 0 24px; padding-top: 80px; }
  .hero-stats { gap: 20px; }
  .hero-scroll-hint { display: none; }

  .sec-head { margin-bottom: 48px; }
  .section { padding: 72px 0; }

  .bridge-wrap { flex-direction: column; gap: 20px; }
  .bridge-center { width: 100%; height: 60px; }
  .pillars { grid-template-columns: 1fr; }
  .pillar-card { padding: 36px 28px; }

  .matrix-header { display: none; }
  .sup-grid {
    grid-template-columns: 1fr;
    gap: 1px;
  }
  .sup-row-lbl {
    flex-direction: row;
    justify-content: flex-start;
    gap: 12px;
    padding: 14px 24px;
    writing-mode: initial;
  }
  .sup-row-lbl span, .sup-row-lbl small {
    writing-mode: horizontal-tb;
  }
  .sup-row-lbl span { font-size: 13px; margin-bottom: 0; }
  .sup-card { padding: 28px 24px; }

  .ind-thumbs { grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 48px; }
  .ind-block { grid-template-columns: 1fr; gap: 28px; direction: ltr !important; }
  .ind-block.rev > * { direction: ltr; }
  .ib-img img { height: 280px; }

  .cr-wrap { border-radius: var(--radius-sm); }

  .str-grid { grid-template-columns: 1fr; }
  .str-card { padding: 40px 32px; }

  .cta-info { gap: 32px; }

  .footer-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 28px;
  }
  .f-brand { align-items: center; }
  .f-copy { text-align: center; }
  .f-nav { grid-template-columns: repeat(2, auto); justify-content: center; }
}

@media (max-width: 600px) {
  .hero-title { font-size: 32px; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .h-div { display: none; }
  .hero-actions { flex-direction: column; }
  .btn { justify-content: center; }
  .ind-thumbs { grid-template-columns: repeat(2, 1fr); }
  .cta-info { flex-direction: column; gap: 20px; }
}

/* ═══════════════════ Utility ═══ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}