:root {
  --color-bg: #ffffff;            /* 白ベース */
  --color-text: #1a1a1a;
  --color-navy: #0a1628;          /* より濃いネイビー（濃紺）メイン */
  --color-navy-600: #050a14;     /* 非常に濃いネイビー（グラデ下地） */
  --color-gold: #1e4a6b;         /* 濃いブルーアクセント */
  --color-muted: #4a5568;
  --color-border: #b8c5d6;        /* ブルー寄りの枠色 */
  --color-surface: #e8f0f7;       /* 薄いブルーの面 */
  --radius: 16px;
  --shadow-sm: 0 4px 16px rgba(10,22,40,.08);
  --shadow-md: 0 12px 40px rgba(10,22,40,.25);
  --shadow-lg: 0 20px 60px rgba(10,22,40,.35);
  /* Blue accents - より強く鮮やかに */
  --gem-1: #b8d4e8;  /* light blue */
  --gem-2: #4a7fa3;  /* vivid blue */
  --gem-3: #0a1628;  /* deep blue */
  --gem-glow: 0 12px 40px rgba(30,58,95,.45), 0 0 0 1px rgba(74,127,163,.5) inset;
  /* Gold accents */
  --gold-500: #2d5f7a;
  --gold-700: #1e4a6b;
  --gold-glow: 0 12px 36px rgba(30,95,122,.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Noto Sans JP', system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.75;
}

img { max-width: 100%; display: block; border-radius: var(--radius); }
a { color: var(--color-navy); text-decoration: none; }
a:hover { opacity: .9; }

.container { width: min(1120px, 92vw); margin: 0 auto; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.95);
  backdrop-filter: saturate(120%) blur(12px);
  border-bottom: 2px solid var(--color-border);
  box-shadow: 0 4px 20px rgba(10,22,40,.08);
  overflow: visible;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--color-text); font-weight: 700; }
.brand img { height: 36px; width: auto; }
.brand-text { display: inline-block; }

.site-nav { position: relative; }
.nav-toggle { display: none; }
.nav-list { display: flex; list-style: none; gap: 18px; margin: 0; padding: 0; align-items: center; }
.nav-list a { padding: 10px 14px; border-radius: 10px; transition: all .3s ease; font-weight: 600; }
.nav-list a:hover { background: linear-gradient(180deg, var(--color-surface), #fff); color: var(--color-navy); box-shadow: 0 2px 8px rgba(10,22,40,.08); }
.nav-list .cta-item a { padding: 10px 14px; }

/* Close button hidden by default */
.nav-close { display: none; }

/* Hero */
.hero { padding: 64px 0 32px; background: linear-gradient(180deg, var(--gem-1) 0%, #f0f7fc 50%, #fff 100%); position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -40% -10% auto -10%; height: 160%; background: conic-gradient(from 180deg, rgba(184,212,232,.0), rgba(184,212,232,.3) 15%, rgba(184,212,232,.0) 30%); transform: rotate(8deg); animation: sheen 8s linear infinite; pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 1200px 600px at 50% 0%, rgba(10,22,40,.05), transparent); pointer-events: none; }
@keyframes sheen { 0%{ transform: translateX(-30%) rotate(8deg);} 100%{ transform: translateX(30%) rotate(8deg);} }
.hero-inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; position: relative; z-index: 1; }
.hero h1 { font-size: clamp(28px, 4.5vw, 44px); line-height: 1.3; margin: 0 0 12px; white-space: nowrap; font-weight: 800; letter-spacing: -0.02em; }
.hero-sub { margin: 0 0 10px; font-weight: 700; color: var(--gold-700); font-size: 18px; }
.hero p { color: var(--color-muted); margin: 0 0 24px; font-size: 17px; line-height: 1.8; }
.accent { color: var(--color-navy); background: linear-gradient(135deg, var(--color-navy), var(--gem-2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual img { box-shadow: var(--shadow-lg); border-radius: 20px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 18px; border-radius: 12px; font-weight: 700; border: 1px solid transparent; transition: all .3s cubic-bezier(0.4, 0, 0.2, 1); letter-spacing: 0.02em; }
.btn-lg { padding: 16px 24px; font-size: 17px; }
.btn-primary { background: linear-gradient(135deg, var(--color-navy), var(--color-navy-600)); color: #fff; box-shadow: 0 8px 24px rgba(10,22,40,.35), 0 0 0 1px rgba(255,255,255,.1) inset; position: relative; overflow: hidden; }
.btn-primary::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(255,255,255,.15), rgba(255,255,255,.05)); opacity: 0; transition: opacity .3s ease; }
.btn-primary::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(255,255,255,.0), rgba(255,255,255,.4), rgba(255,255,255,.0)); transform: translateX(-120%); }
.btn-primary:hover { transform: translateY(-1px) scale(1.02); box-shadow: 0 16px 48px rgba(10,22,40,.45), 0 0 0 1px rgba(255,255,255,.2) inset; }
.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover::after { animation: btn-shine 1s ease; }
.btn-primary:active { transform: scale(0.98); }
@keyframes btn-shine { to { transform: translateX(120%); } }
.btn-secondary { background: linear-gradient(#fff,#fff) padding-box,
              linear-gradient(135deg, var(--color-gold), var(--gem-2)) border-box; color: var(--color-navy); border: 2px solid transparent; box-shadow: 0 4px 12px rgba(10,22,40,.08); }
.btn-secondary:hover { transform: scale(1.03); box-shadow: var(--gold-glow), 0 8px 24px rgba(10,22,40,.12); }
.btn-ghost { background: #fff; border: 2px solid var(--color-border); color: var(--color-text); box-shadow: 0 2px 8px rgba(10,22,40,.05); }
.btn-ghost:hover { border-color: var(--color-gold); box-shadow: var(--gold-glow), 0 4px 16px rgba(10,22,40,.1); transform: scale(1.02); }

/* Sections */
.section { padding: 80px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, var(--color-surface) 0%, #fff 100%); }
.section-head { margin-bottom: 32px; }
.section-head h2 { font-size: clamp(24px, 3.5vw, 34px); margin: 0 0 10px; font-weight: 800; letter-spacing: -0.01em; }
.section-head p { margin: 0; color: var(--color-muted); font-size: 16px; }
/* gold underline */
.section-head h2::before { content: ""; display: block; width: 64px; height: 4px; border-radius: 2px; background: linear-gradient(90deg, var(--gold-500), var(--gem-2)); margin-bottom: 10px; box-shadow: 0 2px 8px rgba(30,95,122,.3); animation: expandWidth .8s ease-out; }
@keyframes expandWidth { from { width: 0; opacity: 0; } to { width: 64px; opacity: 1; } }

/* Video Section */
.video-section { padding: 64px 0; position: relative; background: linear-gradient(180deg, #fff, var(--color-surface)); }
.video-section::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 1200px 400px at 50% 50%, rgba(13,31,58,.08), transparent); pointer-events: none; }
.video-section-head { text-align: center; margin-bottom: 32px; }
.video-section-head h2::before { margin-left: auto; margin-right: auto; }
.video-wrapper { position: relative; width: 100%; max-width: 700px; margin: 0 auto; border-radius: 24px; overflow: hidden; box-shadow: 0 32px 80px rgba(0,0,0,.3), 0 0 0 4px transparent,
  0 0 0 2px rgba(74,127,163,.5) inset;
  background: linear-gradient(#000,#000) padding-box,
              linear-gradient(135deg, var(--gem-1), var(--gem-3), var(--gold-500)) border-box; border: 4px solid transparent; }
.video-wrapper::after { content: ""; position: absolute; inset: -6px; border-radius: 26px; background: linear-gradient(135deg, var(--gem-1), var(--gem-3)); opacity: .4; filter: blur(12px); z-index: -1; pointer-events: none; }
.hero-video { width: 100%; height: auto; display: block; object-fit: contain; min-height: 240px; background: #000; }
.video-overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; padding: 16px; pointer-events: none; }
.video-play-button { position: absolute; width: 80px; height: 80px; border: none; background: transparent; cursor: pointer; display: grid; place-items: center; transition: all .3s cubic-bezier(0.4, 0, 0.2, 1); pointer-events: all; z-index: 10; }
.video-play-button:hover { transform: scale(1.15); }
.video-play-button:active { transform: scale(1.05); }
.video-play-button svg { display: block; transition: transform .3s ease, filter .3s ease; }
.video-play-button:hover svg { filter: drop-shadow(0 8px 16px rgba(91,143,168,.6)) drop-shadow(0 0 20px rgba(255,255,255,.4)); }
.video-play-button[data-playing="true"] { opacity: 0; pointer-events: none; }
.video-play-button[data-playing="true"]:hover { opacity: 1; pointer-events: all; }
.video-progress-container { position: absolute; bottom: 16px; left: 16px; right: 120px; pointer-events: all; z-index: 10; opacity: 0; transition: opacity .3s ease; }
.video-wrapper:hover .video-progress-container { opacity: 1; }
.video-progress-bar { position: relative; width: 100%; height: 6px; background: rgba(255,255,255,.2); border-radius: 3px; cursor: pointer; overflow: hidden; }
.video-progress-filled { position: absolute; left: 0; top: 0; height: 100%; background: linear-gradient(90deg, var(--gold-500), #7db3d3); border-radius: 3px; width: 0%; transition: width .1s linear; box-shadow: 0 0 8px rgba(91,143,168,.6); }
.video-progress-handle { position: absolute; left: 0; top: 50%; transform: translate(-50%, -50%); width: 14px; height: 14px; background: #fff; border-radius: 50%; box-shadow: 0 2px 6px rgba(0,0,0,.3), 0 0 0 2px var(--gold-500); opacity: 0; transition: opacity .2s ease; pointer-events: none; }
.video-progress-bar:hover .video-progress-handle { opacity: 1; }
.video-progress-bar:hover { height: 8px; }
.video-time-display { display: flex; align-items: center; gap: 4px; margin-top: 8px; font-size: 12px; color: rgba(255,255,255,.9); font-weight: 500; text-shadow: 0 1px 2px rgba(0,0,0,.5); }
.video-time-separator { opacity: .6; }
.video-controls { position: absolute; bottom: 16px; right: 16px; pointer-events: all; display: flex; align-items: center; gap: 8px; }
.volume-group { display: flex; align-items: center; gap: 8px; }
.video-sound-toggle { width: 40px; height: 40px; border-radius: 999px; border: 2px solid rgba(255,255,255,.8); background: rgba(0,0,0,.5); backdrop-filter: blur(4px); color: #fff; cursor: pointer; display: grid; place-items: center; transition: background .2s ease, transform .2s ease; }
.video-sound-toggle:hover { background: rgba(0,0,0,.7); transform: scale(1.05); }
.video-sound-toggle:active { transform: scale(.95); }
.video-sound-toggle svg { display: block; }
.video-sound-toggle .icon-muted { display: block; }
.video-sound-toggle .icon-unmuted { display: none; }
.video-sound-toggle[data-muted="false"] .icon-muted { display: none; }
.video-sound-toggle[data-muted="false"] .icon-unmuted { display: block; }
.volume-slider-wrapper { width: 0; opacity: 0; overflow: hidden; transition: width .3s ease, opacity .3s ease; }
.volume-slider-wrapper[data-volume-visible="true"] { width: 100px; opacity: 1; }
.volume-slider { width: 100%; height: 4px; border-radius: 2px; background: rgba(255,255,255,.3); outline: none; cursor: pointer; -webkit-appearance: none; appearance: none; }
.volume-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%; background: #fff; cursor: pointer; }
.volume-slider::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: #fff; cursor: pointer; border: none; }
@media (max-width: 960px) {
  .video-wrapper { border-radius: 16px; box-shadow: 0 16px 40px rgba(0,0,0,.15); max-width: 800px; }
}
@media (max-width: 540px) {
  .video-section { padding: 40px 0; }
  .video-section-head { margin-bottom: 24px; }
  .video-wrapper { border-radius: 16px; border-width: 2px; max-width: 100%; }
  .video-wrapper::after { border-radius: 18px; }
  .video-play-button { width: 72px; height: 72px; }
  .video-play-button svg { width: 64px; height: 64px; }
  .video-progress-container { bottom: 12px; left: 12px; right: 100px; }
  .video-progress-bar { height: 5px; }
  .video-progress-bar:hover { height: 6px; }
  .video-progress-handle { width: 12px; height: 12px; }
  .video-time-display { font-size: 11px; margin-top: 6px; }
  .video-controls { bottom: 12px; right: 12px; }
  .video-sound-toggle { width: 36px; height: 36px; }
  .hero-video { min-height: 200px; }
  .volume-slider-wrapper[data-volume-visible="true"] { width: 80px; }
}

/* Manufacture rich */
.manufacture-wrap { position: relative; }
.manufacture-wrap::before { content: ""; position: absolute; inset: -20px 0 auto 0; height: 200px; background: radial-gradient(1200px 200px at 50% 0, rgba(10,22,40,.12), transparent); pointer-events: none; }
.manufacture-images { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 32px; }
.manufacture-image { margin: 0; cursor: zoom-in; position: relative; border-radius: 16px; overflow: hidden; transition: all .35s cubic-bezier(0.4, 0, 0.2, 1); }
.manufacture-image:hover { transform: scale(1.03); box-shadow: var(--shadow-lg); }
.manufacture-image img { width: 100%; height: auto; border-radius: 16px; box-shadow: var(--shadow-md); display: block; transition: transform .6s cubic-bezier(0.4, 0, 0.2, 1), filter .4s ease; }
.manufacture-image:hover img { transform: scale(1.05); filter: brightness(1.05); }
.manufacture-image figcaption { position: absolute; left: -9999px; height: 1px; width: 1px; overflow: hidden; }
.feature-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 10px 0 16px; }
.feature-card { background: #fff; border: 1px solid var(--color-border); border-radius: 16px; padding: 18px; box-shadow: var(--shadow-md); display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; transition: all .4s cubic-bezier(0.4, 0, 0.2, 1); }
.feature-card:hover { transform: scale(1.02); box-shadow: var(--shadow-lg); }
.feature-icon { width: 40px; height: 40px; border-radius: 12px; background: linear-gradient(135deg, var(--color-gold), var(--gem-1)); color: #0a1628; display: grid; place-items: center; font-weight: 800; box-shadow: 0 8px 20px rgba(10,22,40,.15); font-size: 18px; transition: all .4s ease; animation: pulse 3s ease-in-out infinite; }
.feature-card:hover .feature-icon { transform: rotate(5deg) scale(1.1); box-shadow: 0 12px 28px rgba(10,22,40,.25); }
@keyframes pulse { 0%,100%{ transform: scale(1); } 50%{ transform: scale(1.05); } }
.feature-title { margin: 0; font-weight: 700; }
.feature-desc { margin: 4px 0 0; color: var(--color-muted); font-size: 14px; }

@media (max-width: 960px) {
  .feature-cards { grid-template-columns: 1fr 1fr; }
  .manufacture-images { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .feature-cards { grid-template-columns: 1fr; }
  .manufacture-images { grid-template-columns: 1fr; }
}

/* Products VP images */
.products-vp-section { padding: 64px 0; background: linear-gradient(180deg, #fff, var(--color-surface)); }
.products-vp-images { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.product-vp { margin: 0; cursor: zoom-in; position: relative; border-radius: 16px; overflow: hidden; transition: all .35s cubic-bezier(0.4, 0, 0.2, 1); }
.product-vp:hover { transform: scale(1.03); box-shadow: var(--shadow-lg); }
.product-vp img { width: 100%; height: auto; border-radius: 16px; box-shadow: var(--shadow-md); object-fit: cover; min-height: 300px; display: block; transition: transform .6s cubic-bezier(0.4, 0, 0.2, 1), filter .4s ease; }
.product-vp:hover img { transform: scale(1.05); filter: brightness(1.05); }
.product-vp figcaption { position: absolute; left: -9999px; height: 1px; width: 1px; overflow: hidden; }
@media (max-width: 960px) {
  .products-vp-images { grid-template-columns: repeat(2, 1fr); }
  .product-vp img { min-height: 250px; }
}
@media (max-width: 540px) {
  .products-vp-images { grid-template-columns: 1fr; }
  .product-vp img { min-height: 200px; }
}

/* Products header + thumb overlay */
.products-head { background: #fff; border-radius: 18px; padding: 18px 20px; box-shadow: var(--shadow-md); margin-bottom: 18px; display: flex; align-items: center; justify-content: space-between; gap: 16px; 
  border: 2px solid transparent; background: linear-gradient(#fff,#fff) padding-box,
  linear-gradient(135deg, var(--gold-500), var(--gem-2)) border-box; }
.products-head p { margin: 0; color: var(--color-muted); }
.chip-group { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-size: 13px; padding: 8px 14px; border-radius: 999px; border: 2px solid transparent; background: linear-gradient(#fff,#fff) padding-box,
  linear-gradient(135deg, var(--gold-500), var(--gem-2)) border-box; color: #0a1628; font-weight: 600; }
.product-thumb .overlay { position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-weight: 700; opacity: 0; transition: opacity .25s ease; background: linear-gradient(180deg, transparent, rgba(0,0,0,.35)); }
.product:hover .overlay { opacity: 1; }

.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 40px 0 12px; padding: 0; list-style: none; }
.feature-list li { background: #fff; border: 1px solid var(--color-border); border-radius: 18px; padding: 24px; box-shadow: var(--shadow-md); transition: all .3s ease; position: relative; overflow: hidden; }
.feature-list li::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(184,212,232,.05), rgba(10,22,40,.02)); opacity: 0; transition: opacity .3s ease; pointer-events: none; }
.feature-list li:hover { transform: scale(1.02); box-shadow: var(--shadow-lg); }
.feature-list li:hover::before { opacity: 1; }
.feature-list h3 { margin: 0 0 8px; font-size: 20px; font-weight: 700; color: var(--color-navy); }
.feature-list p { margin: 0; color: var(--color-muted); line-height: 1.7; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card { background: #fff; border: 1px solid transparent; border-radius: 20px; padding: 20px; box-shadow: var(--shadow-md); transition: all .4s cubic-bezier(0.4, 0, 0.2, 1); 
  background: linear-gradient(#fff,#fff) padding-box,
              linear-gradient(135deg, var(--gem-1), var(--gem-3)) border-box; position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(184,212,232,.05), rgba(10,22,40,.02)); opacity: 0; transition: opacity .4s ease; pointer-events: none; }
.card::after { content: ""; position: absolute; inset: -50% -50%; background: radial-gradient(circle, rgba(184,212,232,.1), transparent); opacity: 0; transition: opacity .6s ease, transform .6s ease; transform: scale(0); pointer-events: none; }
.card:hover { transform: scale(1.02); box-shadow: var(--shadow-lg), var(--gem-glow); }
.card:hover::before { opacity: 1; }
.card:hover::after { opacity: 1; transform: scale(1); }
.card h3 { margin: 12px 0 8px; font-size: 20px; font-weight: 700; color: var(--color-navy); }
.card p { margin: 0; color: var(--color-muted); line-height: 1.7; }
.card-actions { display: flex; gap: 8px; flex-wrap: nowrap; margin-top: 12px; }
.card-actions .btn { font-size: 12px; padding: 8px 10px; white-space: nowrap; flex: 1 1 auto; min-width: 0; }
.card-en-text { margin-top: 8px; font-size: 12px; color: var(--color-muted); font-style: italic; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.grid-2.single { grid-template-columns: 1fr; }
.media img { width: 100%; height: auto; transition: transform .5s cubic-bezier(0.4, 0, 0.2, 1); }
.card:hover .media img { transform: scale(1.05); }

.check-list { list-style: none; padding: 0; margin: 0 0 14px; }
.check-list li { position: relative; padding-left: 24px; margin: 8px 0; }
.check-list li::before { content: "✓"; color: var(--color-gold); position: absolute; left: 0; top: 0; }

.masonry { column-count: 2; column-gap: 14px; }
.masonry img { break-inside: avoid; margin: 0 0 14px; }

.plain-list { padding-left: 16px; }

/* About (Company) */
.about-card { background: #fff; border-radius: 24px; border: 1px solid transparent; box-shadow: var(--shadow-lg);
  background: linear-gradient(#fff, #fff) padding-box,
              linear-gradient(135deg, rgba(74,127,163,.9), rgba(10,22,40,.7)) border-box;
}
.about-inner { padding: 18px; display: grid; grid-template-columns: 1fr; gap: 24px; align-items: start; }
.about-card.has-media .about-inner { grid-template-columns: 1.1fr .9fr; }
.company-desc { margin: 0; color: var(--color-text); }
.company-facts { margin: 6px 0 0; }
.company-facts table { width: 100%; border-collapse: separate; border-spacing: 0; overflow: hidden; border-radius: 12px; border: 1px solid var(--color-border); box-shadow: var(--shadow-sm); background: #fff; }
.company-facts thead th { text-align: left; font-weight: 700; color: #0a1628; background: linear-gradient(180deg,#e8f0f7,#d0dde8),
  linear-gradient(90deg, var(--gold-500), var(--gem-2)); background-blend-mode: normal, multiply; padding: 14px 16px; border-bottom: 2px solid var(--color-border); }
.company-facts tbody th { width: 180px; font-weight: 700; color: #0a1628; background: #fff; border-right: 2px solid var(--color-border); }
.company-facts th, .company-facts td { padding: 12px 14px; vertical-align: top; }
.company-facts tbody tr:not(:last-child) th, .company-facts tbody tr:not(:last-child) td { border-bottom: 1px solid var(--color-border); }
.company-facts a { color: var(--color-navy); text-decoration: underline; }
.about-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.about-actions a { font-size: 14px; }

@media (max-width: 960px) {
  .about-card.has-media .about-inner { grid-template-columns: 1fr; }
  .company-facts tbody th { width: 140px; }
}
/* Products */
.products-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.product { margin: 0; border: 1px solid transparent; border-radius: 20px; overflow: hidden; cursor: zoom-in; transition: all .5s cubic-bezier(0.4, 0, 0.2, 1); box-shadow: var(--shadow-md);
  background: linear-gradient(#fff, #fff) padding-box,
              linear-gradient(135deg, var(--gem-1), var(--gem-3)) border-box; }
.product-thumb { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: #fff; }
.product-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent, rgba(10,22,40,.1)); pointer-events: none; transition: opacity .5s ease; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transform: scale(1); transition: transform .7s cubic-bezier(0.4, 0, 0.2, 1); }
.product:hover .product-thumb img { transform: scale(1.06); }
.product:hover .product-thumb::after { opacity: 0.3; }
.product:hover { transform: scale(1.03); box-shadow: var(--shadow-lg), var(--gem-glow); }
.product:hover .overlay { animation: fadeIn .4s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.product-meta { display: flex; align-items: center; gap: 10px; padding: 12px 12px 14px; }
.product-badge { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 999px; background: linear-gradient(135deg, var(--color-gold), var(--gem-1)); color: #0a1628; font-weight: 800; box-shadow: inset 0 1px 0 rgba(255,255,255,.8), 0 6px 16px rgba(10,22,40,.15); font-size: 14px; }
.product-title { margin: 0; font-size: 15px; font-weight: 700; color: #3a3a3a; }
.product figcaption { position: absolute; left: -9999px; height: 1px; width: 1px; overflow: hidden; }

@media (max-width: 1200px) {
  .products-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 960px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Lightbox */
.lightbox { 
  position: fixed; 
  inset: 0; 
  background: rgba(10, 22, 40, 0.92); 
  backdrop-filter: blur(12px);
  display: grid; 
  grid-template-columns: auto 1fr auto; 
  grid-template-rows: auto 1fr auto; 
  align-items: center; 
  justify-items: center; 
  gap: 20px; 
  padding: 24px; 
  z-index: 100; 
  opacity: 0;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.lightbox:not([hidden]) { 
  opacity: 1;
  animation: lightboxFadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.lightbox[hidden] { 
  display: none; 
}
@keyframes lightboxFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.lightbox-figure { 
  margin: 0; 
  max-width: min(92vw, 1400px); 
  max-height: 85vh; 
  display: grid; 
  gap: 16px; 
  place-items: center; 
  animation: lightboxSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes lightboxSlideIn {
  from { 
    transform: scale(0.9) translateY(20px);
    opacity: 0;
  }
  to { 
    transform: scale(1) translateY(0);
    opacity: 1;
  }
}
.lightbox-image { 
  max-width: 100%; 
  max-height: 75vh; 
  border-radius: 20px; 
  background: #fff; 
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.1);
  object-fit: contain;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.lightbox-image:hover {
  transform: scale(1.02);
}
.lightbox-caption { 
  color: #fff; 
  font-size: 16px; 
  text-align: center; 
  font-weight: 500;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}
.lightbox-close { 
  position: absolute; 
  top: 24px; 
  right: 24px; 
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: #fff; 
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 44px; 
  height: 44px; 
  border-radius: 50%; 
  cursor: pointer; 
  opacity: 0.9;
  font-size: 24px;
  font-weight: 300;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.lightbox-close:hover { 
  opacity: 1;
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
.lightbox-prev, .lightbox-next { 
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: #fff; 
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 56px; 
  height: 56px; 
  border-radius: 50%; 
  cursor: pointer; 
  opacity: 0.9;
  font-size: 28px;
  font-weight: 300;
  line-height: 1;
  display: grid;
  place-items: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.lightbox-prev:hover, .lightbox-next:hover { 
  opacity: 1;
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}
.lightbox-prev:active, .lightbox-next:active, .lightbox-close:active {
  transform: scale(0.95);
}

/* CTA */
.cta { background: linear-gradient(135deg, var(--gem-2) 0%, var(--gem-3) 50%, var(--color-navy) 100%); color: #fff; padding: 80px 0; text-align: center; border-top: 6px solid var(--color-gold); box-shadow: 0 40px 100px rgba(10,22,40,.3) inset, 0 -20px 60px rgba(74,127,163,.2) inset; position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 800px 400px at 50% 50%, rgba(255,255,255,.1), transparent); pointer-events: none; }
.cta .btn { background: #fff; color: var(--color-navy); box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.cta .btn:hover { transform: scale(1.05); box-shadow: 0 16px 40px rgba(0,0,0,.3); }
.cta-actions { display: flex; flex-direction: column; align-items: center; gap: 24px; position: relative; z-index: 1; }
.cta-catalogs { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.cta-catalogs .btn { font-size: 15px; }
.cta h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 12px; text-shadow: 0 2px 8px rgba(0,0,0,.2); }
.cta p { font-size: 18px; opacity: 0.95; }

/* Contact */
.contact-form { background: linear-gradient(180deg, #fff, #f8fafc); border: 2px solid var(--color-border); border-radius: 20px; padding: 32px; box-shadow: var(--shadow-lg); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: grid; gap: 8px; }
.form-field-full { grid-column: 1 / -1; }
label { font-weight: 700; color: var(--color-navy); font-size: 15px; }
input, textarea { border: 2px solid var(--color-border); border-radius: 12px; padding: 14px 16px; font: inherit; transition: all .3s ease; background: #fff; }
input:focus, textarea:focus { outline: none; border-color: var(--color-gold); box-shadow: 0 0 0 4px rgba(30,95,122,.1), 0 4px 12px rgba(10,22,40,.08); }
.consent { font-size: 14px; color: var(--color-muted); }
.form-actions { margin-top: 8px; }
.form-note { margin: 8px 0 0; color: var(--color-muted); font-size: 12px; }
.hp { position: absolute; left: -9999px; opacity: 0; width: 0; height: 0; pointer-events: none; }

/* Footer */
.site-footer { border-top: 2px solid var(--color-border); background: linear-gradient(180deg, #fff, #f8fafc); box-shadow: 0 -4px 20px rgba(10,22,40,.05); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; padding: 24px 0; color: var(--color-muted); }
.to-top { font-size: 15px; font-weight: 600; color: var(--color-navy); transition: all .3s ease; }
.to-top:hover { color: var(--gem-2); }

/* Guide (Usage) */
.guide-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.guide-card { background: #fff; border-radius: 20px; border: 1px solid transparent; box-shadow: var(--shadow-md);
  background: linear-gradient(#fff, #fff) padding-box,
              linear-gradient(135deg, rgba(74,127,163,.8), rgba(10,22,40,.6)) border-box; transition: all .3s ease; }
.guide-card:hover { transform: scale(1.01); box-shadow: var(--shadow-lg); }
.guide-card .guide-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--color-border); }
.guide-card .guide-body { padding: 14px 16px; }
.step-list { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.step-list li { position: relative; padding-left: 42px; }
.step-list li::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0; width: 32px; height: 32px; border-radius: 999px; background: linear-gradient(135deg, var(--color-gold), var(--gem-1)); color: #0a1628; display: inline-flex; align-items: center; justify-content: center; font-weight: 800; box-shadow: 0 6px 16px rgba(10,22,40,.15); font-size: 15px; }
.note { background: linear-gradient(180deg, #e8f0f7, #f0f7fc); border: 2px solid var(--color-border); color: #0a1628; padding: 14px 16px; border-radius: 14px; font-size: 15px; font-weight: 500; box-shadow: 0 2px 8px rgba(10,22,40,.05); }
.guide-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.btn-pdf { background: #fff; border: 1px solid var(--color-navy); color: var(--color-navy); }
.btn-pdf::after { content: "PDF"; font-size: 12px; margin-left: 6px; background: var(--color-navy); color: #fff; padding: 2px 6px; border-radius: 6px; }

@media (max-width: 960px) {
  .guide-grid { grid-template-columns: 1fr; }
}
/* Reveal on scroll */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .8s cubic-bezier(0.4, 0, 0.2, 1), transform .8s cubic-bezier(0.4, 0, 0.2, 1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
/* Sparkle accents on section titles */
.section-head h2 { position: relative; }
.section-head h2::after { content: "✦"; position: absolute; right: -20px; top: -10px; color: var(--gem-2); text-shadow: 0 0 16px rgba(74,127,163,.8), 0 0 24px rgba(74,127,163,.4); animation: twinkle 3s ease-in-out infinite; font-size: 24px; }
@keyframes twinkle { 0%,100%{ transform: scale(.95) rotate(0deg); opacity:.8 } 50%{ transform: scale(1.1) rotate(5deg); opacity:1 } }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr 1fr; }
  .feature-list { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: inline-flex; background: #fff; border: 1px solid var(--color-border); padding: 10px 12px; border-radius: 10px; font-size: 16px; }
  .nav-list { position: fixed; inset: 0; width: 100vw; height: 100vh; transform: none; max-height: none; overflow: auto; background: #fff; border: none; border-radius: 0; padding: calc(16px + env(safe-area-inset-top)) 16px 20px; flex-direction: column; align-items: stretch; box-shadow: none; display: none; gap: 8px; z-index: 60; }
  .nav-list[aria-expanded="true"] { display: flex; }
  .nav-list a { display: block; padding: 16px 18px; font-size: 17px; border-radius: 12px; }
  .nav-list a:hover { background: linear-gradient(180deg, #f5f8fb, #fff); box-shadow: 0 6px 18px rgba(0,0,0,.06); }
  .nav-list .cta-item a { width: 100%; text-align: center; padding: 16px 18px; background: linear-gradient(135deg, var(--color-navy), var(--color-navy-600)); color: #fff; }
  /* Show close when menu is open (adjacent sibling of nav-list) */
  .nav-list[aria-expanded="true"] + .nav-close { display: inline-flex; position: fixed; right: 12px; top: calc(12px + env(safe-area-inset-top)); z-index: 70; width: 38px; height: 38px; border-radius: 999px; border: 1px solid var(--color-border); background: #fff; align-items: center; justify-content: center; font-size: 22px; }
  .cards { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .masonry { column-count: 1; }
}

/* Mobile enhancements */
@media (max-width: 540px) {
  .section { padding: 44px 0; }
  .hero h1 { font-size: clamp(20px, 6vw, 28px); white-space: normal; }
  .products-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .footer-inner { flex-direction: column; gap: 8px; }
}
@media (max-width: 380px) {
  .hero h1 { font-size: 20px; white-space: normal; }
}
@media (max-width: 340px) {
  .hero h1 { font-size: 18px; white-space: normal; }
  .hero-sub { font-size: 13px; }
}
@media (max-width: 300px) {
  .hero h1 { font-size: 16px; white-space: normal; }
  .hero-sub { font-size: 12px; }
}

/* Responsive company table */
.company-facts { overflow-x: visible; }
.company-facts table { width: 100%; table-layout: fixed; min-width: 0; }
.company-facts th, .company-facts td { word-break: break-word; hyphens: auto; }
@media (max-width: 540px) {
  .company-facts tbody th { width: 36%; }
}

/* Privacy Policy Page */
.privacy-section { background: linear-gradient(180deg, #fff, var(--color-surface)); }
.privacy-header { text-align: center; margin-bottom: 60px; padding-bottom: 40px; border-bottom: 2px solid var(--color-border); }
.privacy-title { font-size: clamp(32px, 5vw, 48px); font-weight: 800; color: var(--color-navy); margin: 0 0 20px; letter-spacing: -0.02em; }
.privacy-intro { font-size: 18px; line-height: 1.8; color: var(--color-muted); max-width: 800px; margin: 0 auto; }
.privacy-content { display: flex; flex-direction: column; gap: 32px; margin-bottom: 60px; }
.privacy-card { background: #fff; border-radius: 24px; padding: 40px; box-shadow: var(--shadow-md); border: 1px solid transparent;
  background: linear-gradient(#fff, #fff) padding-box,
              linear-gradient(135deg, var(--gem-1), var(--gem-3)) border-box;
  position: relative; overflow: hidden; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  display: grid; grid-template-columns: 80px 1fr; gap: 32px; align-items: start;
}
.privacy-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(184,212,232,.05), rgba(10,22,40,.02)); opacity: 0; transition: opacity 0.4s ease; pointer-events: none; }
.privacy-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg), var(--gem-glow); }
.privacy-card:hover::before { opacity: 1; }
.privacy-card-number { font-size: 48px; font-weight: 800; color: var(--gem-2); line-height: 1; opacity: 0.3; text-align: center; }
.privacy-card-content h2 { font-size: 24px; font-weight: 700; color: var(--color-navy); margin: 0 0 16px; padding-bottom: 12px; border-bottom: 2px solid var(--color-border); }
.privacy-card-content p { font-size: 16px; line-height: 1.9; color: var(--color-text); margin: 0 0 20px; }
.privacy-card-content p:last-child { margin-bottom: 0; }
.privacy-list { list-style: none; padding: 0; margin: 20px 0 0; }
.privacy-list li { position: relative; padding-left: 32px; margin: 12px 0; font-size: 16px; line-height: 1.8; color: var(--color-text); }
.privacy-list li::before { content: "✓"; position: absolute; left: 0; top: 2px; width: 24px; height: 24px; background: linear-gradient(135deg, var(--color-gold), var(--gem-1)); color: #0a1628; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 14px; box-shadow: 0 2px 8px rgba(10,22,40,.15); }
.privacy-card-contact { background: linear-gradient(135deg, var(--gem-2) 0%, var(--gem-3) 50%, var(--color-navy) 100%); }
.privacy-card-contact .privacy-card-number { color: rgba(255,255,255,.3); }
.privacy-card-contact .privacy-card-content h2 { color: #fff; border-bottom-color: rgba(255,255,255,.3); }
.privacy-card-contact .privacy-card-content p { color: rgba(255,255,255,.95); }
.privacy-contact-box { margin-top: 24px; padding: 24px; background: rgba(255,255,255,.15); backdrop-filter: blur(10px); border-radius: 16px; border: 1px solid rgba(255,255,255,.2); }
.privacy-contact-item { display: flex; align-items: center; gap: 16px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.privacy-contact-item:last-child { border-bottom: none; }
.privacy-contact-label { font-weight: 700; color: rgba(255,255,255,.9); min-width: 80px; font-size: 15px; }
.privacy-contact-value { color: #fff; font-size: 16px; }
.privacy-contact-value a { color: #fff; text-decoration: underline; transition: opacity 0.3s ease; }
.privacy-contact-value a:hover { opacity: 0.8; }
.privacy-footer { text-align: center; padding-top: 40px; border-top: 2px solid var(--color-border); }
.privacy-date { color: var(--color-muted); font-size: 14px; margin: 0 0 24px; }
@media (max-width: 720px) {
  .privacy-card { grid-template-columns: 1fr; gap: 20px; padding: 28px; }
  .privacy-card-number { font-size: 36px; text-align: left; }
  .privacy-title { font-size: 28px; }
  .privacy-intro { font-size: 16px; }
  .privacy-card-content h2 { font-size: 20px; }
  .privacy-contact-item { flex-direction: column; align-items: flex-start; gap: 8px; }
  .privacy-contact-label { min-width: auto; }
}