:root{
  --bg-0:#0a0a0a;
  --gold:#d4af37;
  --gold-bright:#e8c86b;
  --gold-deep:#a8861f;
  --pink:#ff1b6b;
  --text:#f5f1e8;
  --text-sub:#9a958a;
  --line:rgba(212,175,55,.25);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(212,175,55,.07),transparent 60%),
    radial-gradient(900px 500px at 0% 30%,rgba(255,27,107,.04),transparent 60%),
    var(--bg-0);
  color:var(--text);
  font-family:'Inter','Noto Serif JP',sans-serif;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.06 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity:.5;mix-blend-mode:overlay;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

/* HEADER */
.nk-header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  padding:20px 48px;display:flex;align-items:center;justify-content:space-between;
  background:linear-gradient(to bottom,rgba(10,10,10,.7),transparent);
  transition:all .4s ease;
}
.nk-header.scrolled{
  background:rgba(10,10,10,.9);backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);padding:14px 48px;
  border-bottom:1px solid var(--line);
}
.nk-logo-wrap{display:flex;align-items:baseline;gap:12px}
.nk-logo-main{
  font-family:'Playfair Display',serif;font-style:italic;font-weight:600;
  font-size:26px;letter-spacing:.2em;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold),var(--gold-deep));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nk-logo-jp{font-family:'Shippori Mincho',serif;color:var(--text-sub);font-size:11px;letter-spacing:.4em}
.nk-nav ul{display:flex;gap:36px;list-style:none}
.nk-nav a{font-size:13px;letter-spacing:.15em;color:var(--text);position:relative;padding:6px 0;transition:color .3s}
.nk-nav a::after{content:"";position:absolute;left:50%;bottom:0;width:0;height:1px;background:var(--gold);transition:all .3s}
.nk-nav a:hover{color:var(--gold-bright)}
.nk-nav a:hover::after{width:100%;left:0}
.nk-header-actions{display:flex;gap:14px;align-items:center}
.nk-icon-btn{
  width:38px;height:38px;border:1px solid var(--line);border-radius:50%;
  display:grid;place-items:center;cursor:pointer;transition:all .3s;color:var(--text-sub);
}
.nk-icon-btn:hover{border-color:var(--gold);color:var(--gold);box-shadow:0 0 20px rgba(212,175,55,.2)}

/* HAMBURGER */
.nk-hamburger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:36px;height:36px;background:none;border:none;cursor:pointer;padding:4px;
}
.nk-hamburger span{display:block;height:1px;background:var(--text);transition:all .3s;transform-origin:center}
.nk-hamburger.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nk-hamburger.open span:nth-child(2){opacity:0}
.nk-hamburger.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nk-mobile-nav{
  display:none;position:fixed;inset:0;top:56px;
  background:rgba(10,10,10,.97);backdrop-filter:blur(20px);
  z-index:40;padding:48px 32px;flex-direction:column;gap:0;
}
.nk-mobile-nav.open{display:flex}
.nk-mobile-nav a{
  font-family:'Noto Serif JP',serif;font-size:20px;letter-spacing:.2em;
  color:var(--text);padding:20px 0;border-bottom:1px solid var(--line);transition:color .3s;
}
.nk-mobile-nav a:hover{color:var(--gold)}

/* HERO */
.nk-hero{
  position:relative;height:88vh;min-height:600px;
  overflow:hidden;display:flex;align-items:center;justify-content:center;
}
.nk-hero video{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;
  filter:brightness(.5) contrast(1.1) saturate(.8);
}
.nk-hero-fallback{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(ellipse 80% 60% at 30% 50%,rgba(212,175,55,.2),transparent 60%),
    radial-gradient(ellipse 70% 50% at 70% 55%,rgba(255,27,107,.12),transparent 60%),
    linear-gradient(135deg,#1a0808 0%,#0a0a0a 40%,#100d00 100%);
}
.nk-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,rgba(10,10,10,.4) 0%,transparent 35%,transparent 55%,rgba(10,10,10,.95) 100%),
    linear-gradient(90deg,rgba(10,10,10,.45) 0%,transparent 55%);
}
.nk-hero-inner{position:relative;z-index:2;text-align:center;max-width:900px;padding:0 24px;width:100%}
.nk-hero .eyebrow{
  color:var(--gold);letter-spacing:.5em;font-size:11px;
  font-family:'Playfair Display',serif;font-style:italic;
  margin-bottom:20px;opacity:0;animation:nkFadeUp 1s .3s forwards;
}
.nk-hero .eyebrow::before,.nk-hero .eyebrow::after{
  content:"";display:inline-block;width:32px;height:1px;
  background:var(--gold);vertical-align:middle;margin:0 12px;
}
.nk-hero h1{
  font-family:'Noto Serif JP',serif;font-weight:500;
  font-size:clamp(38px,6.5vw,82px);letter-spacing:.08em;line-height:1.3;
  opacity:0;animation:nkFadeUp 1.2s .5s forwards;
}
.nk-hero h1 .gold{
  background:linear-gradient(135deg,var(--gold-bright) 0%,var(--gold) 50%,var(--gold-deep) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;font-style:italic;
}
.nk-hero .tagline{
  margin-top:16px;color:var(--text-sub);letter-spacing:.28em;font-size:12px;
  opacity:0;animation:nkFadeUp 1.2s .8s forwards;
}
.nk-hero .cta-row{
  display:flex;gap:16px;justify-content:center;margin-top:32px;
  opacity:0;animation:nkFadeUp 1.2s 1s forwards;
}
.nk-btn{
  padding:14px 36px;border:1px solid var(--gold);background:transparent;
  color:var(--gold);font-family:'Playfair Display',serif;letter-spacing:.25em;
  font-size:13px;cursor:pointer;transition:all .35s ease;display:inline-block;
  white-space:nowrap;
}
.nk-btn.primary{
  background:linear-gradient(135deg,var(--gold-deep),var(--gold),var(--gold-bright));
  color:#111;border-color:transparent;
}
.nk-btn.primary:hover{box-shadow:0 0 40px rgba(212,175,55,.5);transform:translateY(-2px)}
.nk-btn.ghost:hover{background:rgba(212,175,55,.08)}
.nk-scroll-ind{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:2;
  color:var(--text-sub);font-size:10px;letter-spacing:.4em;
  display:flex;flex-direction:column;align-items:center;gap:10px;
}
.nk-scroll-ind .sline{
  width:1px;height:36px;
  background:linear-gradient(to bottom,var(--gold),transparent);
  animation:nkScrollLine 2s infinite;
}

/* HERO ACTRESS */
.hero-actress{margin-top:36px;opacity:0;animation:nkFadeUp 1.2s 1.4s forwards}
.hero-actress-label{font-size:10px;letter-spacing:.5em;color:var(--gold);margin-bottom:14px;font-family:'Playfair Display',serif;font-style:italic}
.hero-actress-scroll{display:flex;gap:12px;justify-content:center;flex-wrap:nowrap}
.ha-item{display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;transition:transform .3s}
.ha-item:hover{transform:translateY(-4px)}
.ha-icon{width:90px;height:90px;border-radius:50%;overflow:hidden;border:2px solid var(--line);background:rgba(20,18,12,.8);display:grid;place-items:center;transition:all .35s}
.ha-item:hover .ha-icon{border-color:var(--gold);box-shadow:0 0 40px rgba(212,175,55,.3);transform:scale(1.05)}
.ha-icon img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.ha-item:hover .ha-icon img{transform:scale(1.1)}
.ha-initial{color:var(--gold);font-family:'Playfair Display',serif;font-style:italic;font-size:36px}
.ha-name{font-size:10px;letter-spacing:.15em;color:var(--text-sub);max-width:72px;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hero-actress-more{display:none;margin-top:14px;font-size:11px;letter-spacing:.15em;color:var(--gold);text-decoration:none;border-bottom:1px solid rgba(212,175,55,.4);padding-bottom:2px;transition:opacity .3s}
.hero-actress-more:hover{opacity:.7}

/* SECTION BASE */
.nk-section{padding:120px 48px;position:relative;z-index:2}
.nk-section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:48px}
.nk-section-title{display:flex;flex-direction:column;gap:8px}
.nk-section-title .en{font-family:'Playfair Display',serif;font-style:italic;color:var(--gold);font-size:14px;letter-spacing:.4em}
.nk-section-title h2{font-family:'Noto Serif JP',serif;font-weight:500;font-size:36px;letter-spacing:.15em}
.nk-section-title h2 .accent{color:var(--gold)}
.nk-more{color:var(--text-sub);font-size:12px;letter-spacing:.3em;display:flex;align-items:center;gap:10px;transition:color .3s}
.nk-more:hover{color:var(--gold)}
.nk-more::after{content:"→";transition:transform .3s}
.nk-more:hover::after{transform:translateX(6px)}
.nk-gold-line{height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.5;margin:0 auto;max-width:200px}

/* PICKUP */
.nk-pickup-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;height:560px}
.nk-pickup-sub{display:flex;flex-direction:column;gap:20px}
.nk-pickup-card{position:relative;overflow:hidden;cursor:pointer;border:1px solid transparent;transition:all .5s;height:100%}
.nk-pickup-card.sub-card{flex:1}
.nk-pickup-card a{display:block;width:100%;height:100%}
.nk-pickup-card img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s ease}
.nk-pickup-card:hover{border-color:var(--gold)}
.nk-pickup-card:hover img{transform:scale(1.06)}
.nk-pickup-card::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(to top,rgba(10,10,10,.95) 0%,rgba(10,10,10,.15) 55%,transparent 100%)}
.nk-pickup-card .badge{position:absolute;top:20px;left:20px;z-index:2;padding:6px 14px;background:rgba(10,10,10,.7);border:1px solid var(--gold);color:var(--gold);font-size:10px;letter-spacing:.3em;font-family:'Playfair Display',serif;font-style:italic;backdrop-filter:blur(8px)}
.nk-pickup-card .pinfo{position:absolute;bottom:20px;left:20px;right:20px;z-index:2}
.nk-pickup-card .pinfo .cat{color:var(--gold);font-size:11px;letter-spacing:.3em;margin-bottom:8px;font-family:'Playfair Display',serif;font-style:italic}
.nk-pickup-card.main-card .pinfo h3{font-family:'Noto Serif JP',serif;font-size:22px;font-weight:500;line-height:1.5;margin-bottom:8px}
.nk-pickup-card.sub-card .pinfo h3{font-family:'Noto Serif JP',serif;font-size:15px;font-weight:500;line-height:1.5;margin-bottom:6px}
.nk-pickup-card .pinfo .actress{color:var(--text-sub);font-size:11px;letter-spacing:.2em}

/* VIDEO GRID */
.nk-video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.nk-video-card{cursor:pointer;position:relative;transition:transform .4s}
.nk-video-card:hover{transform:translateY(-6px)}
.nk-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;border:1px solid transparent;transition:all .4s}
.nk-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 1s}
.nk-video-card:hover .nk-thumb{border-color:var(--gold);box-shadow:0 10px 40px rgba(212,175,55,.2)}
.nk-video-card:hover .nk-thumb img{transform:scale(1.06)}
.nk-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.65),transparent 50%)}
.nk-thumb .play{position:absolute;inset:0;display:grid;place-items:center;z-index:2;opacity:0;transition:opacity .3s}
.nk-video-card:hover .nk-thumb .play{opacity:1}
.play-btn{width:56px;height:56px;border-radius:50%;border:1px solid var(--gold);display:grid;place-items:center;background:rgba(10,10,10,.6);backdrop-filter:blur(8px);color:var(--gold);font-size:18px}
.nk-thumb .duration{position:absolute;bottom:10px;right:10px;z-index:2;font-size:10px;color:var(--text);background:rgba(0,0,0,.75);padding:3px 8px;letter-spacing:.1em}
.nk-thumb .badge-new{position:absolute;top:10px;left:10px;z-index:2;background:var(--pink);color:#fff;padding:3px 10px;font-size:10px;letter-spacing:.2em;font-weight:600}
.nk-thumb .badge-hd{position:absolute;top:10px;right:10px;z-index:2;border:1px solid var(--gold);color:var(--gold);padding:2px 8px;font-size:9px;letter-spacing:.15em;background:rgba(10,10,10,.6);backdrop-filter:blur(4px)}
.nk-vinfo{padding:14px 4px}
.nk-vinfo .vcat{color:var(--gold);font-size:10px;letter-spacing:.3em;margin-bottom:6px;font-family:'Playfair Display',serif;font-style:italic}
.nk-vinfo h3{font-family:'Noto Serif JP',serif;font-weight:500;font-size:14px;line-height:1.6;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nk-vinfo .vtag a{color:var(--text-sub);font-size:11px;letter-spacing:.1em;border-bottom:1px dotted transparent;transition:all .3s}
.nk-vinfo .vtag a:hover{color:var(--gold);border-color:var(--gold)}

/* CATEGORIES */
.nk-cat-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.nk-cat-card{position:relative;aspect-ratio:16/9;overflow:hidden;cursor:pointer;border:1px solid var(--line);transition:all .6s}
.nk-cat-card a{display:block;width:100%;height:100%}
.nk-cat-card img{width:100%;height:100%;object-fit:cover;filter:saturate(.7) brightness(.6);transition:all 1.2s}
.nk-cat-card:hover{border-color:var(--gold);box-shadow:0 0 60px rgba(212,175,55,.2)}
.nk-cat-card:hover img{transform:scale(1.08);filter:saturate(1) brightness(.72)}
.nk-cat-card::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(135deg,rgba(10,10,10,.88) 0%,rgba(10,10,10,.25) 55%,rgba(10,10,10,.6) 100%)}
.nk-cat-info{position:absolute;inset:0;z-index:2;padding:48px;display:flex;flex-direction:column;justify-content:center}
.nk-cat-num{font-family:'Playfair Display',serif;font-style:italic;color:var(--gold);font-size:13px;letter-spacing:.4em;margin-bottom:16px;opacity:.7}
.nk-cat-name{font-family:'Noto Serif JP',serif;font-weight:500;font-size:40px;letter-spacing:.15em;margin-bottom:16px}
.nk-cat-copy{font-family:'Shippori Mincho',serif;color:var(--gold-bright);font-size:14px;letter-spacing:.25em;font-style:italic}
.nk-cat-count{position:absolute;bottom:32px;right:32px;z-index:2;color:var(--text-sub);font-size:11px;letter-spacing:.3em;font-family:'Playfair Display',serif}

/* RANKING */
.nk-rank-tabs{display:flex;border-bottom:1px solid var(--line);justify-content:center;margin-bottom:40px}
.nk-rank-tab{background:transparent;border:none;color:var(--text-sub);padding:16px 40px;cursor:pointer;font-family:'Playfair Display',serif;font-style:italic;letter-spacing:.3em;font-size:13px;position:relative;transition:color .3s}
.nk-rank-tab.active{color:var(--gold)}
.nk-rank-tab.active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.nk-rank-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:28px;padding-top:20px}
.nk-rank-card{position:relative;cursor:pointer}
.nk-rank-num{
  position:absolute;top:-22px;left:-16px;z-index:5;
  font-family:'Playfair Display',serif;font-style:italic;font-weight:700;font-size:90px;line-height:1;
  background:linear-gradient(180deg,var(--gold-bright),var(--gold),var(--gold-deep));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.nk-rank-card.top1 .nk-rank-num{font-size:120px;top:-32px;left:-22px}
.nk-rank-card.top1 .nk-thumb{border-color:var(--gold);box-shadow:0 0 50px rgba(212,175,55,.4)}
.nk-rank-card.top1::before{content:"♔";position:absolute;top:-52px;right:8px;z-index:5;color:var(--gold);font-size:26px;text-shadow:0 0 20px rgba(212,175,55,.8)}

/* ACTRESSES */
.nk-actress-row{display:flex;gap:32px;overflow-x:auto;padding:8px 0 24px;scrollbar-width:thin;scrollbar-color:var(--gold-deep) transparent}
.nk-actress-row::-webkit-scrollbar{height:4px}
.nk-actress-row::-webkit-scrollbar-thumb{background:var(--gold-deep);border-radius:2px}
.nk-actress{flex:0 0 auto;text-align:center;cursor:pointer}
.nk-actress a{display:flex;flex-direction:column;align-items:center}
.nk-portrait{width:130px;height:130px;border-radius:50%;overflow:hidden;border:2px solid var(--line);transition:all .4s;display:grid;place-items:center;background:rgba(20,18,12,.8)}
.nk-actress:hover .nk-portrait{border-color:var(--gold);box-shadow:0 0 40px rgba(212,175,55,.3);transform:scale(1.05)}
.nk-portrait img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.nk-actress:hover .nk-portrait img{transform:scale(1.1)}
.nk-actress-name{margin-top:14px;font-family:'Noto Serif JP',serif;font-size:13px;letter-spacing:.15em}
.nk-actress-count{margin-top:4px;color:var(--text-sub);font-size:10px;letter-spacing:.2em;font-family:'Playfair Display',serif;font-style:italic}

/* FOOTER */
.nk-footer{padding:80px 48px 40px;border-top:1px solid var(--line);position:relative;z-index:2;background:linear-gradient(180deg,transparent,rgba(0,0,0,.5))}
.nk-footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px}
.nk-footer-brand .nk-logo-main{font-size:22px}
.nk-footer-brand p{color:var(--text-sub);margin-top:16px;font-size:12px;line-height:2.2;letter-spacing:.1em}
.nk-footer-col h4{font-family:'Playfair Display',serif;font-style:italic;color:var(--gold);font-size:12px;letter-spacing:.3em;margin-bottom:20px}
.nk-footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.nk-footer-col a{font-size:12px;color:var(--text-sub);letter-spacing:.1em;transition:color .3s}
.nk-footer-col a:hover{color:var(--gold)}
.nk-footer-bottom{display:flex;justify-content:space-between;padding-top:32px;border-top:1px solid var(--line);color:var(--text-sub);font-size:11px;letter-spacing:.2em}

/* ANIMATIONS */
@keyframes nkFadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes nkScrollLine{
  0%{transform:scaleY(0);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  51%{transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

/* RESPONSIVE */
@media(max-width:1100px){
  .nk-video-grid{grid-template-columns:repeat(3,1fr)}
  .nk-rank-grid{grid-template-columns:repeat(3,1fr)}
  .nk-pickup-grid{grid-template-columns:1fr;height:auto}
  .nk-pickup-card.main-card{height:420px}
  .nk-pickup-sub{flex-direction:row}
  .nk-pickup-card.sub-card{height:240px}
}
@media(max-width:768px){
  .nk-header{padding:12px 20px}
  .nk-nav{display:none}
  .nk-hamburger{display:flex}
  .nk-hero{height:auto;min-height:75vh;padding-bottom:48px}
  .nk-hero h1{font-size:clamp(32px,8vw,56px)}
  .nk-hero .tagline{font-size:11px;letter-spacing:.15em}
  .nk-hero .cta-row{gap:10px;margin-top:20px}
  .nk-btn{padding:10px 20px;font-size:11px;letter-spacing:.15em}
  .nk-hero-inner{padding-top:70px}
  .hero-actress-scroll{display:grid;grid-template-columns:repeat(3,1fr);gap:16px 8px;justify-items:center}
  .ha-icon{width:68px;height:68px}
  .ha-initial{font-size:24px}
  .hero-actress-more{display:block}
  .nk-section{padding:64px 20px}
  .nk-section-title h2{font-size:24px}
  .nk-video-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .nk-rank-grid{grid-template-columns:repeat(2,1fr)}
  .nk-cat-grid{grid-template-columns:1fr}
  .nk-cat-info{padding:28px}
  .nk-cat-name{font-size:28px}
  .nk-pickup-grid{grid-template-columns:1fr;height:auto;gap:16px}
  .nk-pickup-card.main-card{height:300px}
  .nk-pickup-sub{flex-direction:row;gap:16px}
  .nk-pickup-card.sub-card{height:190px}
  .nk-footer-inner{grid-template-columns:1fr 1fr;gap:24px}
  .nk-footer-brand{grid-column:span 2}
  .nk-rank-num{font-size:60px;top:-14px;left:-10px}
  .nk-rank-card.top1 .nk-rank-num{font-size:80px;top:-20px;left:-12px}
  .nk-rank-card.top1::before{font-size:20px;top:-36px}
}
@media(max-width:480px){
  .nk-video-grid{grid-template-columns:1fr}
  .nk-rank-grid{grid-template-columns:1fr}
  .nk-pickup-sub{flex-direction:column}
  .nk-pickup-card.sub-card{height:200px}
  .nk-footer-inner{grid-template-columns:1fr}
  .nk-footer-brand{grid-column:auto}
}