:root{
  --text:#2f2417;
  --heading:#8a5a1c;
  --muted:#7b6955;
  --line:#eadcc7;
  --line-strong:#dcc8aa;
  --primary:#c07f22;
  --primary-dark:#945f1a;
  --shadow:0 14px 34px rgba(92,65,29,.08);
  --shadow-soft:0 8px 18px rgba(92,65,29,.05);
  --radius-lg:24px;
  --max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;
  background:
    radial-gradient(circle at top left, rgba(192,127,34,.08), transparent 24%),
    radial-gradient(circle at top right, rgba(239,179,92,.10), transparent 22%),
    linear-gradient(180deg, #fffdf9 0%, #fdf6ec 44%, #fffaf4 100%);
  color:var(--text);
  line-height:1.55;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
iframe{display:block;width:100%;border:0}
main{background:transparent;padding:18px 0 26px}
section{padding:18px 0}
.container{width:min(var(--max),calc(100% - 24px));margin-inline:auto}
.card{
  background:linear-gradient(180deg,#fffdf8 0%,#fff7e8 100%);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.section-card,.detail-shell,.samples-shell,.snapshot-shell,.video-shell{padding:20px}
h1,.section-head h2,.sample-card h3,.faq h3,.toc-panel-title,.value-card h3,.about-card h3{color:var(--heading)}
.section-head{
  display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px;flex-wrap:wrap;
}
.section-head h2{margin:0;font-size:clamp(20px,3vw,28px);letter-spacing:-.01em}
.section-head p{margin:0;color:var(--muted);max-width:70ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;border:1px solid #f2dec2;background:linear-gradient(180deg,#fff5e6,#fff0dc);
  color:var(--primary-dark);padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 16px;border-radius:12px;border:1px solid transparent;
  font-weight:800;font-size:15px;cursor:pointer;transition:.2s ease;text-decoration:none;user-select:none;
}
.btn-primary{background:linear-gradient(180deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 10px 24px rgba(192,127,34,.22)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-outline,.btn-light{
  border-color:var(--line);background:linear-gradient(180deg,#fffaf0 0%,#fff2d9 100%);color:var(--primary-dark);
}
.btn-outline:hover,.btn-light:hover{border-color:var(--line-strong);background:#fff7ea}
.btn-dark{
  color:#fff;background:linear-gradient(180deg,#4b2b11 0%,#341d0d 100%);border:1px solid rgba(255,255,255,.12);box-shadow:0 14px 30px rgba(52,16,13,.22);
}

/* hero */
.page-header{
  position:relative;
  background:
    radial-gradient(1000px 280px at 10% 0%, rgba(192,127,34,.10), transparent 60%),
    radial-gradient(900px 260px at 90% 10%, rgba(227,165,72,.10), transparent 60%),
    linear-gradient(180deg,#fffdf8 0%,#fff7ea 100%);
  padding:20px 0 26px;border-bottom:1px solid var(--line);
}
.page-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:18px;background:linear-gradient(to bottom, rgba(92,65,29,.10), transparent);pointer-events:none;
}
.hero-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:stretch}
.hero-left{padding:22px;position:relative;overflow:hidden;background:linear-gradient(180deg,#fffdf8 0%,#fff7e8 100%)}
h1{margin:12px 0 10px;font-size:clamp(26px,4vw,42px);line-height:1.12;letter-spacing:-.02em}
.hero-desc{margin:0;color:var(--muted);font-size:16px;max-width:66ch}
.hero-extra{margin-top:12px;color:#6b5848}
.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.quick-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.quick-links a{
  padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fffaf0;font-size:13px;font-weight:700;
}
.quick-links a:hover{border-color:var(--line-strong);color:var(--primary-dark);background:#fff7ea}
.hero-right{padding:16px;display:grid;gap:12px;align-content:start}
.product-visual{
  border:1px solid var(--line);border-radius:18px;overflow:hidden;background:linear-gradient(145deg,#fff9ee,#fff3df);
  min-height:250px;display:grid;place-items:center;position:relative;
}
.ribbon{
  position:absolute;top:12px;right:12px;background:#fff3df;color:var(--primary-dark);border:1px solid #eed8b6;
  border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800;
}
.product-visual img{width:100%;max-width:440px;object-fit:contain}

/* snapshot table */
.product-info-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#fffdf8 0%,#fff8ec 100%);box-shadow:var(--shadow-soft)}
.product-info-table{width:100%;border-collapse:separate;border-spacing:0;background:transparent;min-width:760px}
.product-info-table th,.product-info-table td{padding:16px 18px;text-align:left;vertical-align:top;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.product-info-table tr:last-child th,.product-info-table tr:last-child td{border-bottom:none}
.product-info-table th:last-child,.product-info-table td:last-child{border-right:none}
.product-info-table th{
  width:18%;background:rgba(192,127,34,.08);color:var(--heading);font-size:13px;font-weight:900;letter-spacing:.02em;
}
.product-info-table td{
  width:32%;color:#5c4738;font-size:14px;font-weight:700;line-height:1.5;background:rgba(255,250,240,.72);
}
.product-info-table tr:nth-child(even) td{background:rgba(255,247,234,.9)}
.product-info-table td[colspan]{width:auto}

/* content cards */
.about-card{
  border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#fffdf8,#fff7ea);padding:18px;
}
.about-card p{margin:0;color:var(--muted)}
.fact-list{
  margin:16px 0 0;padding-left:18px;columns:2;column-gap:30px;color:#5c4738;
}
.fact-list li{margin:0 0 8px;break-inside:avoid}
.value-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.value-card{
  border:1px solid var(--line);border-radius:18px;padding:18px;background:linear-gradient(180deg,#fffdf8,#fff7ea);box-shadow:var(--shadow-soft);
}
.value-badge{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(180deg,#fff5e6,#fff0dc);border:1px solid var(--line);color:var(--primary-dark);font-weight:900;margin-bottom:12px;
}
.value-card h3{margin:0 0 8px;font-size:18px}
.value-card p{margin:0;color:var(--muted);font-size:14px}

/* sliders */
.slider-wrap{
  position:relative;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#fffdf8,#fff7ea);overflow:hidden;
}
.slider-track{display:flex;transition:transform .45s ease;will-change:transform}
.slide{
  min-width:100%;padding:14px;display:grid;grid-template-columns:1fr;gap:14px;align-items:center;background:linear-gradient(180deg,#fffdf8,#fff7e8);
}
.media-box{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#1b160f;min-height:260px;display:grid;place-items:center;color:#e5e7eb;position:relative;
}
.media-box iframe,.media-box img{width:100%;height:100%;min-height:260px;object-fit:cover;border:0;display:block}
.play-badge{
  position:absolute;left:12px;top:12px;border-radius:999px;border:1px solid rgba(255,255,255,.2);background:rgba(47,36,23,.55);
  color:#fff;font-size:12px;padding:6px 10px;backdrop-filter:blur(6px);
}
.slider-controls{
  display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 14px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,#fffdf8,#fff7ea);
}
.slider-dots-card{
  display:flex;align-items:center;justify-content:center;gap:10px;padding:10px 14px;border:1px solid var(--line);
  border-radius:999px;background:linear-gradient(180deg,#fffdf8,#fff8ec 100%);box-shadow:var(--shadow-soft);
}
.dots{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.dot{width:12px;height:12px;border-radius:999px;border:1px solid var(--line-strong);background:#fffaf0;cursor:pointer;padding:0}
.dot.active{background:var(--primary);border-color:var(--primary)}
.icon-btn{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:linear-gradient(180deg,#fffaf0,#fff2d9);
  cursor:pointer;font-weight:900;color:var(--primary-dark);display:grid;place-items:center;line-height:1;
}
.slider-wrap.shots .media-box{min-height:360px;background:#fffdf8}
.slider-wrap.shots .media-box img{object-fit:contain;background:#fffdf8;min-height:360px}
.video-card{
  border:1px solid var(--line);
  border-radius:18px;
  background:linear-gradient(180deg,#fffdf8,#fff7ea);
  padding:12px;
  box-shadow:var(--shadow-soft);
}
.video-embed{
  position:relative;
  overflow:hidden;
  border-radius:16px;
  background:#1b160f;
}
.video-embed iframe{
  display:block;
  width:100%;
  aspect-ratio:16/9;
  min-height:420px;
  border:0;
}

/* samples */
.sample-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.sample-tab{
  min-height:44px;padding:0 18px;border:1px solid var(--line);border-radius:999px;background:#fffaf0;color:var(--primary-dark);font-weight:800;cursor:pointer;transition:.2s ease;
}
.sample-tab.is-active{background:linear-gradient(180deg,var(--primary),var(--primary-dark));color:#fff;border-color:transparent}
.sample-panel{display:none}
.sample-panel.is-active{display:block}
.sample-card{
  padding:20px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(180deg,#fffdf8 0%,#fff7ea 100%);box-shadow:var(--shadow-soft);
}
.sample-card.large{
  background:radial-gradient(circle at top right, rgba(192,127,34,.08), transparent 28%),linear-gradient(180deg,#fffdf8 0%,#fff7ea 100%);
}
.sample-card h3{margin:0 0 10px;font-size:20px}
.sample-meta-line{margin:0 0 14px;color:#5c4738;font-size:14px;font-weight:700}
.sample-link-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.sample-link-grid a{
  min-height:86px;display:flex;align-items:center;justify-content:center;text-align:center;padding:14px;border:1px solid var(--line);
  border-radius:16px;background:#fffaf0;color:#5c4738;font-weight:800;transition:.2s ease;
}
.sample-link-grid a:hover{border-color:var(--primary-dark);color:var(--primary-dark);transform:translateY(-1px)}

/* contents tabs */
.toc-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.toc-tab{
  appearance:none;border:1px solid var(--line);background:linear-gradient(180deg,#fffaf0 0%,#fff2d9 100%);color:var(--primary-dark);
  border-radius:999px;padding:11px 16px;font-size:13px;font-weight:800;line-height:1.2;cursor:pointer;transition:all .2s ease;box-shadow:var(--shadow-soft);
}
.toc-tab.active{border-color:#945f1a;background:linear-gradient(180deg,#c07f22,#945f1a);color:#fff;box-shadow:0 10px 20px rgba(192,127,34,.20)}
.toc-panel{
  display:none;overflow:hidden;border:1px solid var(--line);border-radius:22px;background:linear-gradient(180deg,#fffdf8 0%,#fff7ea 100%);box-shadow:var(--shadow-soft);
}
.toc-panel.active{display:block}
.toc-panel-head{padding:18px 20px 14px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fffdf8 0%,#fff8ec 100%)}
.toc-panel-title{margin:0;font-size:18px;line-height:1.3;font-weight:800}
.toc-panel-sub{margin:8px 0 0;color:var(--muted);font-size:14px}
.toc-panel-body{padding:20px 24px 24px}
.content-list{
  margin:0;padding-left:18px;columns:2;column-gap:30px;color:#5c4738;
}
.content-list li{margin:0 0 8px;break-inside:avoid}


.part-first-structured{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
.part-first-group{padding:18px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#fffdf8 0%,#fff8ec 100%);box-shadow:var(--shadow-soft)}
.part-first-group h4{margin:0 0 12px;font-size:17px;line-height:1.4;color:var(--heading)}
.part-first-group.part-first-full{grid-column:1 / -1}
.part-first-list{margin:0;padding:0;list-style:none;counter-reset:partfirst}
.part-first-list li{position:relative;counter-increment:partfirst;padding-left:42px;margin:0 0 10px;color:#5c4738;line-height:1.55}
.part-first-list li:last-child{margin-bottom:0}
.part-first-list li::before{content:counter(partfirst);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(180deg,#fff5e6,#fff0dc);border:1px solid var(--line);color:var(--primary-dark);font-size:13px;font-weight:900}
@media (max-width:900px){.part-first-structured{grid-template-columns:1fr}}
@media (max-width:640px){.part-first-group{padding:16px}.part-first-list li{padding-left:38px}}

/* faq */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.faq{
  border:1px solid var(--line);border-radius:16px;padding:14px;background:linear-gradient(180deg,#fffdf8,#fff7ea);
}
.faq h3{margin:0 0 8px;font-size:15px}
.faq p{margin:0;color:var(--muted);font-size:14px}

@media (max-width:1100px){
  .faq-grid,.value-grid{grid-template-columns:1fr}
}
@media (max-width:991px){
  .sample-link-grid{grid-template-columns:1fr}
}
@media (max-width:900px){
  .hero-wrap{grid-template-columns:1fr}
}
@media (max-width:767px){
  .content-list,.fact-list{columns:1}
}
@media (max-width:720px){
  .toc-tabs{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
  .toc-tab{flex:0 0 auto}
}
@media (max-width:640px){
  .product-info-table{min-width:0}
  .product-info-table,.product-info-table tbody,.product-info-table tr,.product-info-table th,.product-info-table td{
    display:block;width:100% !important;
  }
  .product-info-table tr{border-bottom:1px solid var(--line)}
  .product-info-table tr:last-child{border-bottom:none}
  .product-info-table th,.product-info-table td{border:none;padding:10px 12px}
  .product-info-table th{padding-bottom:4px;background:rgba(192,127,34,.06)}
  .product-info-table td{padding-top:0}
  .container{width:min(var(--max),calc(100% - 16px))}
  .hero-left,.hero-right,.section-card,.detail-shell,.samples-shell,.snapshot-shell,.video-shell{padding:16px}
  .btn{width:100%}
  .cta-row{display:grid;grid-template-columns:1fr}
  .quick-links{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
  .quick-links a{flex:0 0 auto}
  .sample-tabs{flex-direction:column;align-items:stretch}
  .sample-tab{width:100%}
  .slider-dots-card{width:100%;justify-content:space-between}
}
@media (max-width:575px){
  .toc-panel-body{padding:16px 20px 20px}
  .video-embed iframe{min-height:260px}
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .slider-track{transition:none}
  .btn-primary:hover,.sample-link-grid a:hover{transform:none}
}