:root {
    --black: #0e0e0e;
    --charcoal: #1a1a1a;
    --charcoal-light: #222222;
    --white: #ffffff;
    --off-white: #f0ece4;
    --gray: #cccccc;
    --gray-dim: #888888;
    --gray-deep: #444444;
    --gold: #b8962e;
    --gold-light: #d4af5a;
    --gold-muted: #6b5520;
    --serif: 'Cormorant Garamond', 'Noto Serif JP', Georgia, serif;
    --sans: 'DM Sans', 'Noto Serif JP', sans-serif;
  }

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

  html { scroll-behavior: smooth; }

  body {
    background-color: var(--charcoal);
    color: var(--white);
    font-family: var(--sans);
    font-weight: 300;
    line-height: 1.7;
    overflow-x: hidden;
    /* Brushed metal texture via SVG noise */
    background-image:
      repeating-linear-gradient(
        90deg,
        transparent,
        transparent 2px,
        rgba(255,255,255,0.012) 2px,
        rgba(255,255,255,0.012) 4px
      ),
      repeating-linear-gradient(
        0deg,
        transparent,
        transparent 8px,
        rgba(255,255,255,0.006) 8px,
        rgba(255,255,255,0.006) 9px
      );
  }

  /* ── SCROLL REVEAL ── */
  .reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .reveal.visible { opacity: 1; transform: translateY(0); }
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.22s; }
  .reveal-delay-3 { transition-delay: 0.34s; }
  .reveal-delay-4 { transition-delay: 0.46s; }

  /* ── UTILITY ── */
  .section-label {
    font-family: var(--sans);
    font-size: 12px;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #056FB5;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 5px;
  }
  .section-label::after {
    content: '';
    display: block;
    width: 20px;
    height: 1px;
    background: #056FB5;
    opacity: 0.6;
  }
.section-label-tltle {
    font-family: var(--sans);
    font-size: 36px;
    font-weight: 300;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #056FB5;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 50px;
  }
  .gold-line {
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--gold), transparent);
    opacity: 0.5;
  }

  /* ═══════════════════════════════════
     HERO
  ═══════════════════════════════════ */
  #hero {
    min-height: 60vh;
    display: grid;
    grid-template-rows: 1fr auto;
    padding: clamp(60px, 10vw, 120px) clamp(30px, 8vw, 120px);
    position: relative;
    overflow: hidden;
	background: url(../img/top/img-main-bg.jpg) no-repeat center center;
    background-size: cover;
    background-position: center;
	height: 100%;
  }

  #hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse 60% 50% at 80% 50%, rgba(184,150,46,0.06) 0%, transparent 70%),
      radial-gradient(ellipse 40% 60% at 10% 80%, rgba(255,255,255,0.03) 0%, transparent 60%);
    pointer-events: none;
  }

  /* Thin vertical rule — editorial feel */
  #hero::after {
    content: '';
    position: absolute;
    top: 0; bottom: 0;
    left: clamp(30px, 8vw, 120px);
    width: 1px;
    background: linear-gradient(to bottom, transparent 0%, rgba(184,150,46,0.3) 20%, rgba(184,150,46,0.15) 80%, transparent 100%);
  }

  .hero-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: center;
    padding-left: 40px;
  }

  @media (max-width: 768px) {
    .hero-inner { grid-template-columns: 1fr; padding-left: 0; }
    #hero::after { display: none; }
  }

  .hero-text { }

  .hero-eyebrow {
    font-family: var(--sans);
    font-size: clamp(9px, 1vw, 11px);
    font-weight: 300;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: #FFFFFF;
    margin-bottom: clamp(24px, 4vw, 48px);
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .hero-eyebrow::before {
    content: '';
    display: block;
    width: 24px;
    height: 1px;
    background: #ffffff;
  }

  .hero-title {
    font-family: var(--serif);
    font-size: clamp(32px, 4.5vw, 68px);
    font-weight: 300;
    line-height: 1.25;
    letter-spacing: 0.02em;
    color: var(--white);
    margin-bottom: clamp(24px, 4vw, 40px);
  }

  .hero-title em {
    font-style: italic;
    color: #FFFFFF;
	  font-weight: 600;
  }

  .hero-sub {
    font-size: clamp(13px, 1.2vw, 15px);
    font-weight: 200;
    color: #ffffff;
    line-height: 1.9;
    max-width: 420px;
    letter-spacing: 0.04em;
  }
.tinbox .pageBg .txt {
	display: none;
}
.tinbox .pageBg {
	display: none;
}

.tinbox-common {
	padding: 90px 0;
}
.tinbox-common-innter {
	max-width: 1160px;
    padding: 0 2rem;
    margin: 0 auto;
}

  /* Isometric cube wireframe */
  .cube-svg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0; left: 0;
  }

  .axis-labels {
    position: absolute;
    inset: 0;
  }

  .axis-label {
    position: absolute;
    text-align: center;
  }

  .axis-label-title {
    font-family: var(--serif);
    font-size: clamp(11px, 1.1vw, 14px);
    font-weight: 400;
    color: var(--white);
    letter-spacing: 0.05em;
    line-height: 1.3;
  }
  .axis-label-bracket {
    font-size: clamp(9px, 0.85vw, 11px);
    font-weight: 200;
    color: var(--gold-light);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 4px;
  }
  .axis-label-desc {
    font-size: clamp(9px, 0.8vw, 11px);
    color: var(--gray-dim);
    letter-spacing: 0.04em;
    line-height: 1.5;
    display: block;
    margin-top: 4px;
  }

  /* top label */
  .label-height {
    top: -10%;
    left: 50%;
    transform: translateX(-50%);
  }
  /* right label */
  .label-width {
    right: -28%;
    top: 50%;
    transform: translateY(-50%);
    text-align: left;
  }
  /* bottom-left label */
  .label-depth {
    bottom: -6%;
    left: -18%;
    text-align: right;
  }

  @media (max-width: 768px) {
    .label-width { right: -22%; }
    .label-depth { left: -8%; }
  }

 
  .hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .hero-stat-num {
    font-family: var(--serif);
    font-size: clamp(28px, 3vw, 44px);
    font-weight: 300;
    color: var(--gold-light);
    letter-spacing: -0.01em;
    line-height: 1;
  }
  .hero-stat-label {
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--gray-dim);
  }

  .hero-stats { display: flex; gap: clamp(30px, 5vw, 80px); }

  /* ═══════════════════════════════════
     SECTION SHARED
  ═══════════════════════════════════ */
  section {
    padding: clamp(80px, 12vw, 160px) clamp(30px, 8vw, 120px);
    position: relative;
  }

  section + section {
    border-top: 1px solid rgba(255,255,255,0.06);
  }

  /* ═══════════════════════════════════
     ADVANTAGES
  ═══════════════════════════════════ */
  #advantages { background-color: #ffffff; }

  .advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(255,255,255,0.06);
   }

  @media (max-width: 900px) {
    .advantages-grid { grid-template-columns: 1fr; }
  }

  .adv-card {
    background: #056FB5;
    position: relative;
    overflow: hidden;
    transition: background 0.4s ease;
  }

  .adv-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
  }
.adv-test-area {
	padding: 35px;
}
  .adv-card:hover { background: #0C7ECA; }
  .adv-card:hover::before { opacity: 1; }

  /* Metal sheen hover */
  .adv-card::after {
    content: '';
    position: absolute;
    top: -100%;
    left: -60%;
    width: 40%;
    height: 300%;
    background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,0.04) 50%, transparent 70%);
    transform: skewX(-20deg);
    transition: left 0.7s cubic-bezier(0.23, 1, 0.32, 1), top 0.7s ease;
    pointer-events: none;
  }
  .adv-card:hover::after { left: 140%; }

  .adv-num {
    font-family: var(--serif);
    font-size: clamp(52px, 6vw, 36px);
    font-weight: 300;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    transition: color 0.4s ease;
  }
  .adv-card:hover .adv-num { color: #FFFFFF90; }

  .adv-title {
    font-family: var(--serif);
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 400;
    color: #ffffff;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
    line-height: 1.4;
  }

  .adv-body {
    font-size: clamp(12px, 1.1vw, 14px);
    font-weight: 200;
    color: #ffffff;
    line-height: 1.9;
    letter-spacing: 0.05em;
  }

  /* ═══════════════════════════════════
     PROCESS
  ═══════════════════════════════════ */
  #process { background-color: #f5f5f5; }

  .process-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
  }

  @media (max-width: 700px) {
    .process-track { grid-template-columns: 1fr; }
  }

  /* Connecting line */
  .process-track::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 3%;
    right: 22%;
    height: 1px;
    background: linear-gradient(90deg, var(--gold-muted), var(--gold), var(--gold-muted));
    opacity: 0.3;
  }
  @media (max-width: 700px) {
    .process-track::before { display: none; }
  }

  .process-step {
    padding: 0 25px ;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
  }

  .step-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gold);
    box-shadow: 0 0 0 4px rgba(184,150,46,0.15), 0 0 16px rgba(184,150,46,0.2);
    position: relative;
    z-index: 1;
    transition: box-shadow 0.4s ease;
  }
  .process-step:hover .step-dot {
    box-shadow: 0 0 0 6px rgba(184,150,46,0.2), 0 0 24px rgba(184,150,46,0.4);
  }

  .step-num {
    font-family: var(--serif);
    font-size: clamp(10px, 1vw, 12px);
    font-weight: 300;
    color: var(--gold-light);
    letter-spacing: 0.2em;
  }

  .step-title {
    font-family: var(--serif);
    font-size: clamp(15px, 1.6vw, 20px);
    font-weight: 400;
    color: #000000;
    letter-spacing: 0.04em;
    line-height: 1.5;
  }

  .step-rule {
    width: 28px;
    height: 1px;
    background: var(--gold);
    opacity: 0.4;
  }
.step-text {
    font-family: var(--serif);
    font-size: clamp(12px, 1.1vw, 14px);
    font-weight: 200;
    line-height: 1.9;
    letter-spacing: 0.05em;
  }
  /* ═══════════════════════════════════
     PRODUCTS
  ═══════════════════════════════════ */
#products { 
	background: url(../img/top/img-product-bg.jpg) no-repeat center center;
	background-size: cover;
	background-position: center;
	overflow: hidden;
    background-size: cover;
    background-position: center;
}

#products .section-label {
	color: #ffffff;
}
#products .section-label::after {
    background: #ffffff;
}
#products .section-label-tltle {
	color: #ffffff;
}
  .products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    background: rgba(255,255,255,0.06);
	  overflow: hidden;
  }

  /*@media (max-width: 900px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }*/
/*  @media (max-width: 500px) { .products-grid { grid-template-columns: 1fr; } }*/

  .product-card {
    background: #FFFFFF;
    padding: clamp(40px, 5vw, 30px) clamp(28px, 4vw, 48px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
    cursor: default;
    position: relative;
    overflow: hidden;
    transition: background 0.4s ease;
  }
  .product-card:hover { background: #0C7ECA; }

  /* Gold shimmer sweep */
  .product-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(184,150,46,0.06) 50%, transparent 60%);
    opacity: 0;
    transition: opacity 0.5s ease;
  }
  .product-card:hover::after { opacity: 1; }

  .shape-canvas {
/*    width: clamp(80px, 16vw, 360px);
    height: clamp(80px, 10vw, 360px);*/
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  
  .product-card:hover .shape-svg {
    transform: scale(1.08);
    filter: drop-shadow(0 0 12px rgba(184,150,46,0.35));
  }

  .product-name-jp {
    font-family: var(--serif);
    font-size: clamp(15px, 1.5vw, 18px);
    font-weight: 400;
    color: #000000;
    letter-spacing: 0.06em;
    text-align: center;
  }
  .product-name-en {
    font-size: clamp(9px, 0.9vw, 11px);
    font-weight: 300;
    color: #000000;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    text-align: center;
  }

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




  /* ═══════════════════════════════════
     products-list
  ═══════════════════════════════════ */
.products-list .pageBg {
	display: none;
}
.products-list .products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px; 
}


.products-list .product-names {
  color: #000; 
  text-align: center; 
}

.products-list .shape-canvas img {
  max-width: 60%;
  height: auto;
  display: block;
}
.products-list .product-name-jp {
    font-family: var(--serif);
    font-size: 12px;
    font-weight: 400;
    color: #000000;
    letter-spacing: 0.02em;
    text-align: center;
}
.products-list .product-card {
    gap: 10px;
}
.products-list .product-card {
    padding: 20px;
}
.products-list .tinbox-common.btn-area.one {
	padding: 180px 0 30px;
}
.products-list .tinbox-common.btn-area.two {
	padding: 0 0 150px;
}
.products-list .img-area .tinbox-common-innter {
	max-width: 900px;
}
.products-list .shape-canvas {
	width: inherit; 
    height: inherit;
}
.products-list .hd-btn-area {
	text-align: center;
}
.products-list .hd-btn-area .hd-btn {
	text-align: center;
}
.products-list .hd-btn-area .hd-mod-btn {
	background: #FFFFFF;
}
.products-list .hd-btn-area .hd-mod-btn .hd-btn-inner {
	text-align: center;
	color: #000000;
    padding: .75rem 1rem;
    position: relative;
    z-index: 1;
    display: block;
    border: 1px solid #000000;
}

@media (max-width: 850px) {
	#hero {
    padding: 30px;
    height: 80%;
}
	.tinbox-common {
    padding: 80px 0;
}
	.tinbox-common-innter {
		padding: 0 15px;
	}
	.section-label-tltle {
    margin-bottom: 20px;
}
	.adv-test-area {
    padding: 20px;
}
	.process-step {
		margin-bottom: 20px;
	}
	.adv-card {
		margin-bottom: 60px;
	}
	.product-card {	
		padding: 20px 30px;
		gap: 15px;
	}
	.shape-canvas {
		width: 100px;
	}
	.products-grid {
        grid-template-columns: 1fr 1fr;
    }
  .products-list .products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
	
	
	
}