/* Reference: holmes/css/n.css, scoped to the embedded Case 1 detail. */
.reference-detail {
  --color-bg-dark: #070707;
  --color-bg-red: #1f0b0c;
  --color-text-main: #f0ebd8;
  --color-gold: #cfa85e;
  --color-gold-hover: #e8ca8c;
  --font-en: 'Cinzel', serif;
  --font-ja: 'Noto Serif JP', serif;
}.reference-detail {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg-dark);
  color: var(--color-text-main);
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 1.8;
  letter-spacing: 0.05em;
  overflow-x: hidden;
}.reference-detail h1,
.reference-detail h2,
.reference-detail h3,
.reference-detail h4,
.reference-detail p { margin: 0; }.reference-detail a { text-decoration: none; color: inherit; transition: all 0.3s ease; }.reference-detail img { max-width: 100%; height: auto; display: block; }.reference-detail .container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}.reference-detail .relative { position: relative; }.reference-detail .text-center { text-align: center; }.reference-detail .mt-4 { margin-top: 40px; }.reference-detail .py-large { padding: 80px 0; }.reference-detail .black-bg { background-color: var(--color-bg-dark); }.reference-detail .dark-red-bg { background-color: var(--color-bg-red); }.reference-detail .reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1), transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}.reference-detail .reveal.active { opacity: 1; transform: translateY(0); }.reference-detail .delay-1 { transition-delay: 0.2s; }.reference-detail .delay-2 { transition-delay: 0.4s; }.reference-detail .delay-3 { transition-delay: 0.6s; }.reference-detail header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 1000;
  background: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent);
  transition: background 0.4s ease;
  padding: 15px 0;
}.reference-detail header.scrolled {
  background: rgba(7, 7, 7, 0.95);
  box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}.reference-detail .nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}.reference-detail .logo img { width: 150px; }.reference-detail .nav-links { display: flex; align-items: center; gap: 20px; font-family: var(--font-en); font-size: 14px; }.reference-detail .nav-link:hover { color: var(--color-gold); }.reference-detail .btn-outline,
.reference-detail .btn-solid {
  padding: 8px 16px;
  border: 1px solid var(--color-gold);
  border-radius: 2px;
  font-weight: bold;
}.reference-detail .btn-outline { color: var(--color-gold); }.reference-detail .btn-outline:hover { background: var(--color-gold); color: #000; }.reference-detail .btn-solid { background: var(--color-gold); color: #000; }.reference-detail .btn-solid:hover { background: var(--color-gold-hover); }.reference-detail .hero {
  position: relative;
  height: 100svh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}.reference-detail .hero-video-wrapper {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 1;
}.reference-detail .hero-video {
  width: 100%; height: 100%;
  object-fit: cover;
}.reference-detail .hero-video:fullscreen,
.reference-detail .hero-video:-webkit-full-screen,
.reference-detail .hero-video:-ms-fullscreen {
  object-fit: contain !important;
  background-color: #000 !important;
}.reference-detail .hero-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: radial-gradient(circle, rgba(0,0,0,0.4) 0%, rgba(7,7,7,0.9) 100%);
}.reference-detail .hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}.reference-detail .hero-subtitle {
  font-size: 1.1rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 10px;
}.reference-detail .hero-title {
  font-family: var(--font-en);
  font-size: 4.5rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-shadow: 0 5px 15px rgba(0,0,0,0.8);
  margin-bottom: 20px;
}.reference-detail .hero-case {
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
}.reference-detail .scroll-indicator {
  position: absolute;
  bottom: 40px; 
  left: 0;
  width: 100%; 
  display: flex;
  flex-direction: column;
  align-items: center; 
  gap: 10px;
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--color-gold);
  z-index: 5;
}.reference-detail .scroll-indicator .line {
  width: 1px; height: 50px;
  background: var(--color-gold);
  animation: scrollDown 2s infinite;
}
@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.1% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}.reference-detail .video-action-bar {
  background-color: var(--color-bg-dark);
  padding: 20px 0;
  position: relative;
  z-index: 10;
}.reference-detail .action-bar-inner {
  display: flex;
  justify-content: flex-end;
}.reference-detail .watch-video-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
  padding: 12px 24px;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--font-ja);
  font-size: 0.95rem;
  transition: all 0.3s ease;
}.reference-detail .watch-video-btn:hover {
  background: var(--color-gold);
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(207, 168, 94, 0.4);
}.reference-detail .play-icon { font-size: 0.9rem; }.reference-detail .section-title {
  font-family: var(--font-en);
  font-size: 3rem;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 5px;
}.reference-detail .section-subtitle {
  text-align: center;
  font-size: 1rem;
  letter-spacing: 0.15em;
  margin-bottom: 50px;
}.reference-detail .story-section {
  position: relative;
  padding: 80px 0 100px 0;
  background-color: var(--color-bg-dark);
}.reference-detail .story-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
}.reference-detail .story-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.3; filter: grayscale(50%); }.reference-detail .story-bg-overlay {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to bottom, var(--color-bg-dark) 0%, transparent 50%, var(--color-bg-dark) 100%);
}.reference-detail .invitation-box {
  background: rgba(15, 15, 15, 0.85);
  border: 1px solid var(--color-gold);
  padding: 60px 40px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.8);
  max-width: 800px;
  margin: 0 auto;
  backdrop-filter: blur(5px);
  text-align: center;
}.reference-detail .invitation-text p { margin-bottom: 20px; font-size: 1.05rem; }.reference-detail .invitation-text p:last-child { margin-bottom: 0; }.reference-detail .elegant-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 15px;
}.reference-detail .elegant-table th,
.reference-detail .elegant-table td {
  padding: 20px;
  border-bottom: 1px solid rgba(207, 168, 94, 0.3);
  text-align: left;
}.reference-detail .elegant-table th {
  width: 25%;
  color: var(--color-gold);
  font-weight: normal;
  vertical-align: top;
}.reference-detail .table-notes { font-size: 0.85rem; color: #aaa; margin-top: 15px; }.reference-detail .btn-gold {
  display: inline-block;
  padding: 15px 40px;
  font-family: var(--font-en);
  font-size: 1.1rem;
  color: #000;
  background: linear-gradient(135deg, var(--color-gold), #fff2cd, var(--color-gold));
  border: none;
  border-radius: 2px;
  box-shadow: 0 4px 15px rgba(207, 168, 94, 0.3);
  transition: transform 0.3s, box-shadow 0.3s;
}.reference-detail .btn-gold:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(207, 168, 94, 0.6);
}.reference-detail .btn-gold.large { font-size: 1.2rem; padding: 20px 60px; }.reference-detail .feature-list { display: flex; flex-direction: column; gap: 60px; }.reference-detail .feature-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}.reference-detail .feature-item.reverse { flex-direction: row-reverse; }.reference-detail .feature-img {
  flex: 0 0 320px;
  max-width: 320px;
  width: 100%;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(207, 168, 94, 0.3);
  background-color: #000;
}.reference-detail .feature-img::before {
  content: "";
  display: block;
  padding-top: 75%; 
}.reference-detail .feature-img img {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}.reference-detail .feature-img:hover img { transform: scale(1.05); }.reference-detail .feature-text { flex: 1; }.reference-detail .feature-badge {
  display: inline-block;
  font-family: var(--font-en);
  color: var(--color-gold);
  border-bottom: 1px solid var(--color-gold);
  margin-bottom: 15px;
  font-size: 0.9rem;
}.reference-detail .feature-text h4 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  line-height: 1.4;
}.reference-detail .card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}.reference-detail .info-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1);
  overflow: hidden;
}.reference-detail .card-img { 
  width: 100%; 
  height: 220px; 
  overflow: hidden; 
  border-bottom: 1px solid rgba(207, 168, 94, 0.3);
}.reference-detail .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s;}.reference-detail .info-card:hover .card-img img { transform: scale(1.05); }.reference-detail .card-body { padding: 30px; }.reference-detail .card-body h4 { color: var(--color-gold); margin-bottom: 15px; font-size: 1.2rem; }.reference-detail .card-body p { font-size: 0.95rem; margin-bottom: 10px; }.reference-detail .card-body .note { font-size: 0.8rem; color: #999; }.reference-detail .gallery {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 20px; margin-bottom: 20px;
}.reference-detail .gallery-item { 
  flex: 1 1 300px; max-width: 400px; 
  position: relative; overflow: hidden;
  border: 1px solid rgba(207, 168, 94, 0.3);
}.reference-detail .gallery-item img { width: 100%; height: 200px; object-fit: cover; display: block; }.reference-detail .gallery-item figcaption { text-align: center; font-size: 0.85rem; color: #ccc; margin: 10px 0; }.reference-detail .gallery-small .gallery-item { flex: 1 1 200px; max-width: 250px; }.reference-detail .gallery-small .gallery-item img { height: 160px; }.reference-detail .footer {
  background-color: #030303;
  padding: 60px 20px;
  border-top: 1px solid #222;
}.reference-detail .footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 40px;
}.reference-detail .footer-left address { margin-top: 15px; font-style: normal; font-size: 0.85rem; color: #888; }.reference-detail .footer-links {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px 30px;
  list-style: none; padding: 0; margin: 0 0 20px 0;
}.reference-detail .footer-links a { color: #888; font-size: 0.85rem; }.reference-detail .footer-links a:hover { color: var(--color-text-main); }.reference-detail .footer-social { display: flex; gap: 15px; justify-content: flex-end; }.reference-detail .footer-social img { width: 20px; height: 20px; filter: grayscale(1) brightness(2); opacity: 0.6; transition: 0.3s;}.reference-detail .footer-social a:hover img { opacity: 1; }



@media screen and (max-width: 768px) {.reference-detail .nav-links a:not(.btn-outline) { display: none; }.reference-detail .logo img { width: 120px; }.reference-detail .hero-title { font-size: 2.5rem; }.reference-detail .hero-case { font-size: 1rem; }.reference-detail .action-bar-inner { justify-content: center;  }.reference-detail .watch-video-btn {
    padding: 10px 20px;
    font-size: 0.85rem;
  }.reference-detail .section-title { font-size: 2rem; }.reference-detail .invitation-box { padding: 40px 20px; }.reference-detail .invitation-text p { font-size: 0.95rem; }.reference-detail .elegant-table th,
.reference-detail .elegant-table td { display: block; width: 100%; padding: 10px 0; }.reference-detail .elegant-table th { padding-bottom: 0; color: var(--color-gold); }.reference-detail .feature-item,
.reference-detail .feature-item.reverse { flex-direction: column; align-items: center; gap: 20px; }.reference-detail .feature-img { width: 100%; max-width: 320px; flex: none; }.reference-detail .feature-text h4 { font-size: 1.3rem; }.reference-detail .gallery { flex-direction: column; align-items: center; }.reference-detail .gallery-item,
.reference-detail .gallery-small .gallery-item { max-width: 100%; width: 100%; }.reference-detail .footer-inner { flex-direction: column; }.reference-detail .footer-links { grid-template-columns: 1fr 1fr; }.reference-detail .footer-social { justify-content: flex-start; }
}
.reference-detail figure{margin:0}
.reference-detail .gallery-item figcaption{padding-inline:10px}
.reference-detail .hero-content{padding:40px 20px}
.reference-detail .reference-note{font-size:13px;color:#aaa;margin-top:18px;line-height:1.8}
.reference-detail .reference-footnote{max-width:1200px;margin:30px auto 0;font-size:12px;color:#888}
.reference-detail .hero-video:fullscreen{object-fit:contain;background:#000}
.reference-detail .hero-video:has(~.hero-overlay){pointer-events:auto}
.reference-detail .hero-video-wrapper:has(video[controls]){z-index:4}
.reference-detail .hero-video-wrapper:has(video[controls]) .hero-overlay{pointer-events:none;display:none}
@media(max-width:768px){.reference-detail .card-grid{grid-template-columns:minmax(0,1fr)}.reference-detail .hero-title{font-size:clamp(26px,7.8vw,40px)}}
@media(prefers-reduced-motion:reduce){.reference-detail .scroll-indicator .line{animation:none}}

/* Matte antique brass: restrained contrast without a metallic shine. */
.reference-detail .btn-gold{background:#070707;color:#bea47a;border:1px solid #bea47a;border-radius:0;box-shadow:none;font-family:var(--font-ja);font-size:16px;font-weight:600;letter-spacing:.1em;padding:17px 42px;transition:background .25s,border-color .25s,color .25s}
.reference-detail .btn-gold:hover{background:#070707;color:#d3bd96;border-color:#d3bd96;box-shadow:none;transform:none}
.reference-detail .btn-gold.large{font-size:17px;padding:20px 52px}
@media(max-width:768px){.reference-detail .btn-gold{font-size:14px;padding:16px 30px}.reference-detail .btn-gold.large{font-size:15px;padding:18px 36px}}

.reference-detail .promotion-dialog{position:fixed;inset:0;width:100%;max-width:none;height:100%;max-height:none;margin:0;padding:0;border:0;background:#000;color:#e9e1d4;overflow:hidden}
.reference-detail .promotion-dialog[open]{display:flex;align-items:center;justify-content:center}
.reference-detail .promotion-dialog::backdrop{background:#000}
.reference-detail .promotion-player{display:block;width:100%;height:100%;object-fit:contain;background:#000}
.reference-detail .promotion-player:fullscreen{object-fit:contain;background:#000}
.reference-detail .promotion-close{position:absolute;top:calc(18px + env(safe-area-inset-top,0px));right:5%;z-index:1;padding:10px 15px;border:1px solid #b59a6a80;background:#111e;font-size:14px;color:#e9e1d4;min-height:44px}
.reference-detail #detail-title:focus{outline:none}