/* ========================================
   SOKSON / Design System
   ======================================== */
:root{
  --sks-bg:#070708;
  --sks-bg-2:#0e0e11;
  --sks-bg-3:#141418;
  --sks-bg-glass:rgba(14,14,17,0.72);
  --sks-line:rgba(255,255,255,0.10);
  --sks-line-soft:rgba(255,255,255,0.06);
  --sks-gold:#c49a5d;
  --sks-gold-2:#e1bf86;
  --sks-gold-3:#f0d9a8;
  --sks-gold-4:#faecd4;
  --sks-gold-soft:rgba(196,154,93,0.28);
  --sks-text:#f6f1ea;
  --sks-text-80:rgba(246,241,234,0.84);
  --sks-text-68:rgba(246,241,234,0.74);
  --sks-text-56:rgba(246,241,234,0.62);
  --sks-text-24:rgba(246,241,234,0.26);
  --sks-text-14:rgba(246,241,234,0.16);
  --sks-f-serif:"Noto Serif JP","Yu Mincho","Hiragino Mincho ProN",serif;
  --sks-f-sans:"Noto Sans JP",-apple-system,BlinkMacSystemFont,sans-serif;
  --sks-f-ui:"Inter","Noto Sans JP",-apple-system,BlinkMacSystemFont,sans-serif;
  --sks-f-en:"Cormorant Garamond",serif;
  --sks-ease:cubic-bezier(0.16,1,0.3,1);
  --sks-ease-spring:cubic-bezier(0.34,1.56,0.64,1);
  --sks-radius-card:20px;
  --sks-radius-btn:8px;
  --sks-glass-blur:20px;
  --sks-glass-border:rgba(255,255,255,0.08);
  --sks-glass-shine:linear-gradient(135deg,rgba(255,255,255,0.06) 0%,rgba(255,255,255,0.01) 50%,rgba(255,255,255,0.04) 100%);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  margin:0;padding:0;
  background:var(--sks-bg);
  color:var(--sks-text);
  font-family:var(--sks-f-sans);
  line-height:1.75;
  letter-spacing:0.01em;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block;}

/* SP-only line break — PC hides, mobile shows */
.sks-sp-br{display:none;}
@media (max-width:768px){.sks-sp-br{display:inline;}}

a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;}
button{cursor:pointer;background:none;border:0;color:inherit;}
::selection{background:rgba(196,154,93,0.22);}

html.is-loading,body.is-loading{overflow:hidden;}

.sks-main{position:relative;z-index:2;}

/* ========================================
   Custom cursor
   ======================================== */
.sks-cursor-dot{
  position:fixed;top:0;left:0;z-index:10000;pointer-events:none;
  width:6px;height:6px;border-radius:50%;
  background:var(--sks-gold);
  transform:translate(-50%,-50%);
  transition:width 0.2s ease,height 0.2s ease,opacity 0.2s ease;
  mix-blend-mode:difference;
  will-change:transform;
}
.sks-cursor-ring{
  position:fixed;top:0;left:0;z-index:9999;pointer-events:none;
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(196,154,93,0.35);
  transform:translate(-50%,-50%);
  transition:width 0.35s var(--sks-ease),height 0.35s var(--sks-ease),border-color 0.35s ease,opacity 0.25s ease;
  will-change:transform;
}
.sks-cursor-dot.is-hover{
  width:10px;height:10px;opacity:0.8;
}
.sks-cursor-ring.is-hover{
  width:56px;height:56px;border-color:rgba(196,154,93,0.55);
}
.sks-cursor-dot.is-hidden,.sks-cursor-ring.is-hidden{opacity:0;}

/* ========================================
   Touch ripple (mobile)
   ======================================== */
.sks-ripple{
  position:absolute;border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(196,154,93,0.32) 0%,rgba(196,154,93,0.08) 40%,transparent 70%);
  transform:scale(0);opacity:1;
  animation:sksRippleExpand 0.7s var(--sks-ease) forwards;
  z-index:50;
}
@keyframes sksRippleExpand{
  to{transform:scale(1);opacity:0;}
}

/* ========================================
   Pull-to-reveal (top overscroll)
   ======================================== */
.sks-pull-reveal{
  position:fixed;top:0;left:0;right:0;z-index:1;
  display:flex;align-items:flex-end;justify-content:center;
  height:80px;padding-bottom:18px;
  background:linear-gradient(180deg,rgba(196,154,93,0.04),transparent);
  transform:translateY(-100%);
  transition:transform 0.5s var(--sks-ease),opacity 0.5s ease;
  opacity:0;pointer-events:none;
}
.sks-pull-reveal.is-visible{
  transform:translateY(0);opacity:1;
}
.sks-pull-reveal__text{
  font-family:var(--sks-f-en);font-size:9px;
  letter-spacing:0.36em;color:rgba(196,154,93,0.50);
  text-transform:uppercase;
  animation:sksPullTextPulse 2s ease-in-out infinite alternate;
}
@keyframes sksPullTextPulse{
  from{opacity:0.4;letter-spacing:0.36em;}
  to{opacity:0.7;letter-spacing:0.42em;}
}

/* ========================================
   Ambient floating particles (whole page)
   ======================================== */
.sks-ambient-particles{
  position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;
}
.sks-ambient-particle{
  position:absolute;border-radius:50%;
  background:rgba(196,154,93,0.22);
  box-shadow:0 0 12px rgba(196,154,93,0.10);
  will-change:transform,opacity;
}

/* ========================================
   Scroll spark (velocity-reactive)
   ======================================== */
.sks-scroll-spark{
  position:fixed;pointer-events:none;z-index:9990;
  width:3px;height:3px;border-radius:50%;
  background:rgba(225,191,134,0.7);
  box-shadow:0 0 8px rgba(196,154,93,0.4),0 0 20px rgba(196,154,93,0.15);
  animation:sksScrollSparkFade 0.8s ease-out forwards;
}
@keyframes sksScrollSparkFade{
  0%{opacity:1;transform:scale(1);}
  100%{opacity:0;transform:scale(0) translateY(-30px);}
}


/* ========================================
   Mobile bottom nav pill
   ======================================== */
.sks-mobile-nav{display:none;}

/* ========================================
   Logo burst (easter egg)
   ======================================== */
.sks-logo-burst{
  position:fixed;pointer-events:none;z-index:10001;
  width:4px;height:4px;border-radius:50%;
  background:rgba(225,191,134,0.9);
  box-shadow:0 0 6px rgba(196,154,93,0.5);
  animation:sksLogoBurst 0.9s var(--sks-ease) forwards;
}
@keyframes sksLogoBurst{
  0%{opacity:1;transform:translate(0,0) scale(1);}
  100%{opacity:0;transform:translate(var(--burst-x),var(--burst-y)) scale(0);}
}

/* ========================================
   Mobile: Swipe hint arrows (carousel)
   ======================================== */
.sks-swipe-hint{
  position:absolute;top:50%;z-index:20;pointer-events:none;
  width:28px;height:28px;
  border:1.5px solid rgba(196,154,93,0.3);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity 0.5s ease;
}
.sks-swipe-hint--left{left:4px;transform:translateY(-50%);}
.sks-swipe-hint--right{right:4px;transform:translateY(-50%);}
.sks-swipe-hint.is-visible{opacity:1;}
.sks-swipe-hint__arrow{
  font-family:var(--sks-f-en);font-size:14px;color:rgba(196,154,93,0.5);
  animation:sksSwipeArrowPulse 1.6s ease-in-out infinite;
}
@keyframes sksSwipeArrowPulse{
  0%,100%{opacity:0.3;transform:translateX(0);}
  50%{opacity:0.7;transform:translateX(3px);}
}
.sks-swipe-hint--left .sks-swipe-hint__arrow{
  animation-name:sksSwipeArrowPulseLeft;
}
@keyframes sksSwipeArrowPulseLeft{
  0%,100%{opacity:0.3;transform:translateX(0);}
  50%{opacity:0.7;transform:translateX(-3px);}
}

/* ========================================
   Mobile: Touch-hold card glow pulse
   ======================================== */
.sks-touch-glow{
  position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:radial-gradient(circle at var(--glow-x,50%) var(--glow-y,50%),rgba(196,154,93,0.18) 0%,transparent 60%);
  opacity:0;transition:opacity 0.4s ease;z-index:10;
}
.sks-touch-glow.is-active{
  opacity:1;
  animation:sksTouchGlowPulse 1.2s ease-in-out infinite;
}
@keyframes sksTouchGlowPulse{
  0%,100%{opacity:0.6;}
  50%{opacity:1;}
}

/* ========================================
   Mobile: Section transition shimmer
   ======================================== */
.sks-section-shimmer{
  position:absolute;top:-1px;left:0;right:0;height:2px;overflow:hidden;pointer-events:none;
}
.sks-section-shimmer::after{
  content:"";position:absolute;top:0;left:-100%;width:60%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(225,191,134,0.6),transparent);
  animation:sksSectionShimmer 3.2s ease-in-out infinite;
}
@keyframes sksSectionShimmer{
  0%{left:-60%;}
  100%{left:160%;}
}

/* ========================================
   Mobile: Gold dust trail following touch
   ======================================== */
.sks-touch-dust{
  position:fixed;pointer-events:none;z-index:9990;
  width:3px;height:3px;border-radius:50%;
  background:rgba(225,191,134,0.6);
  box-shadow:0 0 6px rgba(196,154,93,0.3);
  animation:sksTouchDustFade 0.6s ease-out forwards;
}
@keyframes sksTouchDustFade{
  0%{opacity:1;transform:scale(1) translateY(0);}
  100%{opacity:0;transform:scale(0) translateY(-12px);}
}

/* ========================================
   Mobile: Hero edge breathing border
   ======================================== */
.sks-hero-edge{
  position:absolute;bottom:0;left:0;right:0;height:1px;z-index:11;
  background:linear-gradient(90deg,transparent,rgba(196,154,93,0.4),transparent);
  animation:sksHeroEdgeBreathe 4s ease-in-out infinite alternate;
}
@keyframes sksHeroEdgeBreathe{
  from{opacity:0.2;transform:scaleX(0.6);}
  to{opacity:0.8;transform:scaleX(1);}
}

/* ========================================
   Mobile: Bottom nav tap bounce
   ======================================== */
.sks-mobile-nav__item.is-tapped{
  animation:sksMobileNavBounce 0.4s var(--sks-ease);
}
@keyframes sksMobileNavBounce{
  0%{transform:scale(1);}
  30%{transform:scale(0.88);}
  60%{transform:scale(1.08);}
  100%{transform:scale(1);}
}

/* ========================================
   Mobile: Active touch scale for buttons
   ======================================== */
@media (hover:none) and (pointer:coarse){
  .sks-btn-primary:active{
    transform:scale(0.96) !important;
    transition:transform 0.1s ease !important;
  }
  .sks-link-secondary:active{
    opacity:0.7;
    transition:opacity 0.1s ease !important;
  }
  .sks-card:active{
    transform:scale(0.98) !important;
    transition:transform 0.1s ease !important;
  }
}

/* Hide custom cursor on touch devices */
@media (hover:none) and (pointer:coarse){
  .sks-cursor-dot,.sks-cursor-ring{display:none !important;}
}
/* Hide default cursor on desktop */
@media (hover:hover) and (pointer:fine){
  html.has-custom-cursor,
  html.has-custom-cursor *{cursor:none !important;}
  html.has-custom-cursor a,
  html.has-custom-cursor button{cursor:none !important;}
}

/* ========================================
   Scroll progress bar
   ======================================== */
.sks-scroll-progress{
  position:fixed;top:0;left:0;z-index:9998;
  width:0%;height:2px;
  background:linear-gradient(90deg,rgba(196,154,93,0.08),var(--sks-gold) 40%,var(--sks-gold-3) 70%,rgba(225,191,134,0.95));
  transition:none;will-change:width;
  box-shadow:0 0 12px rgba(196,154,93,0.35),0 0 36px rgba(196,154,93,0.12);
}
.sks-scroll-progress::after{
  content:"";position:absolute;right:0;top:-1px;
  width:6px;height:4px;border-radius:50%;
  background:var(--sks-gold-3);
  box-shadow:0 0 8px var(--sks-gold),0 0 20px rgba(196,154,93,0.4);
}

/* ========================================
   Loader
   ======================================== */
.sks-loader{
  --sks-vault-offset:9.5s;
  position:fixed;inset:0;z-index:9999;
  display:grid;place-items:center;overflow:hidden;isolation:isolate;
  background:
    radial-gradient(circle at 50% 40%,rgba(196,154,93,0.08),transparent 26%),
    linear-gradient(180deg,#040404 0%,#080809 100%);
  transition:opacity 1.1s var(--sks-ease),transform 1.1s var(--sks-ease),visibility 1.1s linear;
}
.sks-loader.is-no-vault{--sks-vault-offset:0s;}
.sks-loader.is-no-vault .sks-loader__vault,
.sks-loader.is-no-vault .sks-loader__fog-layers{display:none;}
.sks-loader.is-done{
  opacity:0;visibility:hidden;pointer-events:none;
  transform:translateY(-3vh) scale(1.02);
}

/* Completion flash — brief glow before exit */
.sks-loader.is-complete .sks-loader__glow{
  opacity:1;transform:translate(-50%,-50%) scale(1.2);
  transition:opacity 0.4s ease,transform 0.5s var(--sks-ease);
}
.sks-loader.is-complete .sks-loader__logo{
  filter:brightness(1.2);
  transition:filter 0.4s ease;
}

.sks-loader__bg,.sks-loader__frame,.sks-loader__inner{position:absolute;}
.sks-loader__bg{inset:0;}

/* Fog layers — 6 Phase cinematic zoom journey (~12s)
   ⓪ Mist 0-1.0s / ① Zoom Journey 1.0-6.0s / ② Anticipation 6.0-7.5s
   ③ Unsealing 7.5-9.3s / ④ Passage 8.8-10.8s / ⑤ Arrival: offset 9.8s */
.sks-loader__fog-layers{
  position:absolute;inset:0;z-index:3;pointer-events:none;overflow:hidden;
}
.sks-loader__fog{
  position:absolute;top:50%;left:50%;
  width:140%;height:140%;
  transform:translate(-50%,-50%) scale(1);
  background-size:cover;background-position:center;background-repeat:no-repeat;
  will-change:transform,opacity;
  mix-blend-mode:screen;
  filter:brightness(0.75) contrast(1.1);
}
.sks-loader__fog--dust{
  background-image:url('../images/loader/fog-dust.webp');
  opacity:0.55;
  animation:sksFogDust 7.5s cubic-bezier(0.4,0,0.6,1) 0s forwards,
            sksFogConvectionA 4.0s cubic-bezier(0.34,0,0.46,1) var(--sks-vault-offset) forwards;
}
.sks-loader__fog--wispy{
  background-image:url('../images/loader/fog-wispy.webp');
  opacity:0.75;
  animation:sksFogWispy 6.5s cubic-bezier(0.3,0,0.7,1) 0s forwards,
            sksFogConvectionB 4.0s cubic-bezier(0.34,0,0.46,1) var(--sks-vault-offset) forwards;
}
.sks-loader__fog--dense{
  background-image:url('../images/loader/fog-dense.webp');
  opacity:0.95;
  animation:sksFogDense 5.0s cubic-bezier(0.25,0,0.75,1) 0s forwards,
            sksFogConvectionC 4.0s cubic-bezier(0.34,0,0.46,1) var(--sks-vault-offset) forwards;
}
/* Residual haze — drifts over the vault during anticipation & unsealing (phases ②-③) */
.sks-loader__fog--residual{
  background-image:url('../images/loader/fog-wispy.webp');
  opacity:0;
  animation:sksFogResidual 4.5s linear 5.5s forwards;
}
@keyframes sksFogDust{
  0%{transform:translate(-50%,-50%) scale(0.9) translateX(2%);opacity:0.55;filter:brightness(0.75) contrast(1.1);}
  40%{transform:translate(-50%,-50%) scale(1.1) translateX(0%);opacity:0.55;}
  75%{transform:translate(-50%,-50%) scale(1.4) translateX(-2%);opacity:0.25;}
  100%{transform:translate(-50%,-50%) scale(1.7) translateX(-3%);opacity:0;filter:brightness(0.75) contrast(1.1);}
}
@keyframes sksFogWispy{
  0%{transform:translate(-50%,-50%) scale(1.0) translateX(-2%);opacity:0.75;}
  35%{transform:translate(-50%,-50%) scale(1.3) translateX(-1%);opacity:0.75;}
  70%{transform:translate(-50%,-50%) scale(1.9) translateX(1%);opacity:0.35;}
  100%{transform:translate(-50%,-50%) scale(2.4) translateX(3%);opacity:0;}
}
@keyframes sksFogDense{
  0%{transform:translate(-50%,-50%) scale(1.2);opacity:0.95;filter:brightness(0.75) contrast(1.1) blur(0);}
  40%{transform:translate(-50%,-50%) scale(1.6);opacity:0.85;filter:brightness(0.75) contrast(1.1) blur(0.5px);}
  75%{transform:translate(-50%,-50%) scale(2.4);opacity:0.4;filter:brightness(0.75) contrast(1.1) blur(1.5px);}
  100%{transform:translate(-50%,-50%) scale(3.2);opacity:0;filter:brightness(0.75) contrast(1.1) blur(3px);}
}
@keyframes sksFogResidual{
  0%{opacity:0;transform:translate(-50%,-50%) scale(1.0) translateX(0%);}
  25%{opacity:0.28;transform:translate(-50%,-50%) scale(1.1) translateX(1%);}
  70%{opacity:0.20;transform:translate(-50%,-50%) scale(1.25) translateX(-1%);}
  100%{opacity:0;transform:translate(-50%,-50%) scale(1.4) translateX(-2%);}
}

/* @supports guard — if mix-blend-mode:screen unsupported, hide fog (prevents black rectangles) */
@supports not (mix-blend-mode: screen){
  .sks-loader__fog-layers{display:none;}
}

/* Vault door ceremony — Zoom Journey (~12s, using monolith image #2)
   ⓪ Mist 0-1.0s / ① Zoom Journey 1.0-6.0s / ② Anticipation 6.0-7.5s
   ③ Unsealing 7.5-9.3s / ④ Passage 8.8-10.8s / ⑤ Arrival: offset 9.8s */
.sks-loader__vault{
  position:absolute;z-index:4;pointer-events:none;
  inset:0;
  overflow:hidden;
  perspective:1400px;perspective-origin:50% 50%;
  transform-style:preserve-3d;
  animation:sksVaultZoom 1.8s cubic-bezier(0.55,0,0.45,1) 7.5s forwards,
            sksVaultContainerFade 0.7s ease 9.3s forwards;
}
.sks-loader__vault-door{
  position:relative;width:100%;height:100%;
  transform-style:preserve-3d;
  will-change:transform,filter,opacity;
  opacity:0;
  animation:sksVaultAppear 5.0s cubic-bezier(0.22,0.61,0.36,1) 1.0s forwards,
            sksVaultBreathe 1.5s ease-in-out 6.05s 1;
}
/* Top/bottom mask — hides Midjourney monolith's sky-hint top & fire-artifact bottom.
   Fades out in sync with door opening (7.5-8.5s) so mask doesn't linger after halves slide away. */
.sks-loader__vault-door::after{
  content:"";
  position:absolute;inset:0;z-index:5;pointer-events:none;
  background:linear-gradient(to bottom,
    #000 0%,
    rgba(0,0,0,0.6) 6%,
    rgba(0,0,0,0) 14%,
    rgba(0,0,0,0) 78%,
    rgba(0,0,0,0.5) 88%,
    #000 100%);
  animation:sksVaultMaskFade 1.0s ease 8.0s forwards;
}
@keyframes sksVaultMaskFade{
  0%{opacity:1;}
  100%{opacity:0;}
}
.sks-loader__vault-half{
  position:absolute;top:0;left:0;
  width:100%;height:100%;
  background:url('../images/loader/vault-door.webp') center/cover no-repeat;
  filter:brightness(0.85) contrast(1.1);
  backface-visibility:hidden;
  will-change:transform,filter,opacity;
}
.sks-loader__vault-half--left{
  clip-path:inset(0 50% 0 0);
  transform-origin:right center;
  animation:sksVaultDialGlow 1.5s ease 6.0s 1,
            sksVaultSlideLeft 1.8s cubic-bezier(0.77,0,0.175,1) 7.5s forwards;
}
.sks-loader__vault-half--right{
  clip-path:inset(0 0 0 50%);
  transform-origin:left center;
  animation:sksVaultDialGlow 1.5s ease 6.0s 1,
            sksVaultSlideRight 1.8s cubic-bezier(0.77,0,0.175,1) 7.5s forwards;
}
.sks-loader__vault-seam{
  position:absolute;top:0;left:50%;
  width:2px;height:100%;
  margin-left:-1px;z-index:6;
  background:linear-gradient(180deg,transparent 0%,rgba(225,191,134,0.0) 20%,rgba(225,191,134,0.95) 50%,rgba(225,191,134,0.0) 80%,transparent 100%);
  filter:blur(0.6px);
  box-shadow:0 0 24px rgba(225,191,134,0.8),0 0 48px rgba(196,154,93,0.4);
  opacity:0;transform:scaleY(0);transform-origin:center;
  animation:sksVaultSeamAppear 0.7s ease 7.0s forwards,
            sksVaultSeamFade 0.8s ease 8.5s forwards;
}
.sks-loader__vault-burst{
  position:absolute;top:50%;left:50%;
  width:4px;height:4px;z-index:7;
  transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(circle,rgba(255,240,210,0.9) 0%,rgba(225,191,134,0.45) 35%,rgba(196,154,93,0.15) 65%,transparent 80%);
  opacity:0;
  animation:sksVaultBurst 1.8s ease-out 7.5s forwards;
}

/* Zoom Journey — full-screen door emerges from heavy blur, focus locks as we advance */
@keyframes sksVaultAppear{
  0%{opacity:0;transform:scale(1.0);filter:brightness(0.15) blur(22px) contrast(0.75);}
  20%{opacity:0.5;transform:scale(1.06);filter:brightness(0.38) blur(15px) contrast(0.88);}
  50%{opacity:0.8;transform:scale(1.14);filter:brightness(0.65) blur(8px) contrast(1.0);}
  80%{opacity:0.95;transform:scale(1.23);filter:brightness(0.92) blur(2px) contrast(1.08);}
  100%{opacity:1;transform:scale(1.3);filter:brightness(1) blur(0) contrast(1.1);}
}
@keyframes sksVaultBreathe{
  0%,100%{transform:scale(1.3);}
  50%{transform:scale(1.32);}
}
@keyframes sksVaultDialGlow{
  0%,100%{filter:brightness(0.85) contrast(1.1);}
  50%{filter:brightness(1.35) contrast(1.18);}
}
@keyframes sksVaultSeamAppear{
  0%{opacity:0;transform:scaleY(0);}
  40%{opacity:1;transform:scaleY(1);}
  100%{opacity:1;transform:scaleY(1);}
}
@keyframes sksVaultSeamFade{
  0%{opacity:1;}
  100%{opacity:0;}
}
@keyframes sksVaultSlideLeft{
  0%{transform:translate3d(0,0,0) rotateY(0);opacity:1;filter:brightness(1) contrast(1.1) blur(0);}
  40%{filter:brightness(0.85) contrast(1) blur(2px);}
  70%{filter:brightness(0.5) contrast(0.95) blur(5px);}
  100%{transform:translate3d(-130%,0,360px) rotateY(-8deg);opacity:0;filter:brightness(0.2) contrast(0.9) blur(10px);}
}
@keyframes sksVaultSlideRight{
  0%{transform:translate3d(0,0,0) rotateY(0);opacity:1;filter:brightness(1) contrast(1.1) blur(0);}
  40%{filter:brightness(0.85) contrast(1) blur(2px);}
  70%{filter:brightness(0.5) contrast(0.95) blur(5px);}
  100%{transform:translate3d(130%,0,360px) rotateY(8deg);opacity:0;filter:brightness(0.2) contrast(0.9) blur(10px);}
}
@keyframes sksVaultBurst{
  0%{width:4px;height:4px;opacity:0;}
  15%{width:50px;height:50px;opacity:1;}
  100%{width:300vmax;height:300vmax;opacity:0;}
}
@keyframes sksVaultZoom{
  0%{transform:scale(1);}
  100%{transform:scale(1.2);}
}
@keyframes sksVaultContainerFade{
  0%{opacity:1;}
  100%{opacity:0;visibility:hidden;}
}

/* Mobile tuning — keep 3 fog layers visible (user request), drop rotateY & translateZ,
   lighter zoom, wider seam, disable residual for thermal safety */
@media (max-width:768px){
  .sks-loader__fog--dust{animation-duration:5.0s;opacity:0.45;}
  .sks-loader__fog--wispy{animation-duration:4.5s;opacity:0.65;}
  .sks-loader__fog--dense{animation-duration:3.5s;opacity:0.85;}
  .sks-loader__fog--residual{display:none;}
  .sks-loader__vault-seam{
    width:max(2.5px, 0.45vmin);
    margin-left:calc(max(2.5px, 0.45vmin) * -0.5);
    filter:none;
    box-shadow:0 0 14px rgba(225,191,134,0.9),0 0 28px rgba(196,154,93,0.5);
  }
  .sks-loader__vault-half--left{
    animation:sksVaultDialGlow 1.5s ease 6.0s 1,
              sksVaultSlideLeftMobile 1.8s cubic-bezier(0.77,0,0.175,1) 7.5s forwards;
  }
  .sks-loader__vault-half--right{
    animation:sksVaultDialGlow 1.5s ease 6.0s 1,
              sksVaultSlideRightMobile 1.8s cubic-bezier(0.77,0,0.175,1) 7.5s forwards;
  }
  @keyframes sksVaultSlideLeftMobile{
    0%{transform:translateX(0);opacity:1;filter:brightness(1) blur(0);}
    100%{transform:translateX(-130%);opacity:0;filter:brightness(0.2) blur(3px);}
  }
  @keyframes sksVaultSlideRightMobile{
    0%{transform:translateX(0);opacity:1;filter:brightness(1) blur(0);}
    100%{transform:translateX(130%);opacity:0;filter:brightness(0.2) blur(3px);}
  }
  .sks-loader__vault{
    animation:sksVaultZoomMobile 1.8s cubic-bezier(0.55,0,0.45,1) 7.5s forwards,
              sksVaultContainerFade 0.7s ease 9.3s forwards;
  }
  @keyframes sksVaultZoomMobile{
    0%{transform:scale(1);}
    100%{transform:scale(1.12);}
  }
}

.sks-loader__toplight{
  position:absolute;top:-12%;left:50%;
  width:min(1100px,120vw);height:42vh;
  transform:translateX(-50%);
  background:radial-gradient(ellipse at 50% 0%,rgba(196,154,93,0.18) 0%,rgba(196,154,93,0.06) 30%,transparent 74%);
  filter:blur(58px);opacity:0.44;
  animation:sksLoaderGlowTop 7s ease-in-out infinite alternate;
}

.sks-loader__grid{
  position:absolute;inset:0;
  background:
    linear-gradient(rgba(255,255,255,0.012) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.012) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(circle at 50% 50%,rgba(0,0,0,0.8) 0%,transparent 80%);
  opacity:0.12;
}

.sks-loader__glow{
  position:absolute;inset:50% auto auto 50%;
  width:34vw;height:34vw;min-width:260px;min-height:260px;
  transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(circle,rgba(196,154,93,0.10) 0%,transparent 70%);
  filter:blur(34px);
  animation:sksLoaderCore 4.8s ease-in-out infinite alternate;
}

.sks-loader__noise{
  position:absolute;inset:0;opacity:0.022;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.sks-loader__vignette{
  position:absolute;inset:0;
  background:radial-gradient(circle at center,transparent 34%,rgba(0,0,0,0.48) 100%);
}

.sks-loader__frame{
  inset:26px;z-index:1;
  border:1px solid rgba(255,255,255,0.08);border-radius:26px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,0.02),0 0 50px rgba(0,0,0,0.22);
}

.sks-loader__inner{
  z-index:5;inset:50% auto auto 50%;
  transform:translate(-50%,-50%);
  width:min(720px,calc(100% - 56px));text-align:center;
}

.sks-loader__logo{
  margin:0;font-family:var(--sks-f-en);
  font-size:clamp(3rem,8vw,6rem);letter-spacing:0.22em;
  text-transform:uppercase;white-space:nowrap;
  color:rgba(246,241,234,0.98);
}

.sks-loader__char{
  display:inline-block;opacity:0;
  animation:sksCharCrystallize 2.8s cubic-bezier(0.22,0.61,0.36,1) forwards;
}
.sks-loader__char:nth-child(1){animation-delay:calc(1.20s + var(--sks-vault-offset));}
.sks-loader__char:nth-child(2){animation-delay:calc(1.27s + var(--sks-vault-offset));}
.sks-loader__char:nth-child(3){animation-delay:calc(1.34s + var(--sks-vault-offset));}
.sks-loader__char:nth-child(4){animation-delay:calc(1.41s + var(--sks-vault-offset));}
.sks-loader__char:nth-child(5){animation-delay:calc(1.48s + var(--sks-vault-offset));}
.sks-loader__char:nth-child(6){animation-delay:calc(1.55s + var(--sks-vault-offset));}

/* ========================================
   Header
   ======================================== */
.sks-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;justify-content:space-between;align-items:center;
  padding:26px 44px 0;
  transition:transform 0.55s var(--sks-ease),padding 0.4s var(--sks-ease),
    background 0.5s ease,backdrop-filter 0.5s ease,box-shadow 0.5s ease;
}
.sks-header.is-scrolled{
  padding-top:14px;
  background:rgba(7,7,8,0.65);
  backdrop-filter:blur(var(--sks-glass-blur)) saturate(1.6);
  -webkit-backdrop-filter:blur(var(--sks-glass-blur)) saturate(1.6);
  box-shadow:0 1px 0 rgba(196,154,93,0.06),0 8px 32px rgba(0,0,0,0.3);
}
.sks-header.is-hidden-up{transform:translateY(-120%);}

.sks-logo{text-decoration:none;color:inherit;position:relative;}
.sks-logo__text{
  font-family:var(--sks-f-en);font-size:18px;font-weight:400;
  letter-spacing:0.28em;text-transform:uppercase;
  color:transparent;
  background:linear-gradient(135deg,rgba(246,241,234,0.96) 30%,rgba(225,191,134,0.88) 100%);
  background-size:200% 100%;
  -webkit-background-clip:text;background-clip:text;
  transition:background-position 0.6s var(--sks-ease);
}
.sks-logo:hover .sks-logo__text{
  background-position:100% 0;
}

.sks-nav-toggle{
  width:58px;height:58px;
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:7px;
  border:1px solid var(--sks-glass-border);border-radius:50%;
  background:var(--sks-bg-glass);
  backdrop-filter:blur(12px) saturate(1.4);
  -webkit-backdrop-filter:blur(12px) saturate(1.4);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.06),0 8px 22px rgba(0,0,0,0.22);
  transition:all 0.35s var(--sks-ease);
}
.sks-nav-toggle:hover{
  border-color:rgba(196,154,93,0.20);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.08),0 12px 30px rgba(0,0,0,0.28),0 0 16px rgba(196,154,93,0.06);
}
.sks-nav-toggle__line{
  display:block;height:1px;background:rgba(246,240,231,0.92);
  transition:all 0.35s var(--sks-ease);
}
.sks-nav-toggle__line:nth-child(1){width:26px;}
.sks-nav-toggle__line:nth-child(2){width:16px;margin-left:auto;}
.sks-nav-toggle:hover .sks-nav-toggle__line:nth-child(2){width:26px;}

/* ========================================
   Menu Overlay
   ======================================== */
.sks-menu-overlay{
  position:fixed;inset:0;z-index:500;
  opacity:0;visibility:hidden;
  transition:opacity 0.5s var(--sks-ease),visibility 0.5s linear;
}
.sks-menu-overlay.is-active{opacity:1;visibility:visible;}

.sks-menu-overlay__bg{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 600px 400px at 50% 30%,rgba(225,191,134,0.08),transparent 55%),
    radial-gradient(ellipse 400px 300px at 20% 70%,rgba(196,154,93,0.03),transparent 60%),
    linear-gradient(180deg,rgba(5,5,6,0.96),rgba(8,8,10,0.98));
  backdrop-filter:blur(24px) saturate(1.4);
  -webkit-backdrop-filter:blur(24px) saturate(1.4);
}

.sks-menu-overlay__inner{
  position:relative;z-index:2;
  width:min(1180px,calc(100% - 64px));min-height:100%;
  margin:0 auto;padding:26px 0 34px;
  display:flex;flex-direction:column;
}

.sks-menu-overlay__head{
  display:flex;justify-content:space-between;align-items:center;
}

.sks-menu-overlay__eyebrow{
  margin:0;font-family:var(--sks-f-en);font-size:11px;
  letter-spacing:0.30em;color:var(--sks-text-24);
}

.sks-menu-close{
  position:relative;width:42px;height:42px;background:transparent;border:none;cursor:pointer;
}
.sks-menu-close::before,.sks-menu-close::after{
  content:"";position:absolute;top:50%;left:50%;
  width:24px;height:1px;background:rgba(242,237,228,0.92);
}
.sks-menu-close::before{transform:translate(-50%,-50%) rotate(45deg);}
.sks-menu-close::after{transform:translate(-50%,-50%) rotate(-45deg);}

.sks-menu-nav-wrap{flex:1;display:flex;align-items:center;justify-content:center;}

.sks-menu-nav{
  width:min(760px,100%);padding:0;margin:0;list-style:none;display:grid;gap:20px;
}

.sks-menu-nav__link{
  display:grid;grid-template-columns:42px 1fr;gap:18px;align-items:baseline;
  padding:10px 0;text-decoration:none;border-bottom:1px solid rgba(255,255,255,0.06);
  opacity:0;transform:translateX(20px);
  transition:opacity 0.5s var(--sks-ease),transform 0.5s var(--sks-ease),color 0.35s var(--sks-ease);
}
.sks-menu-overlay.is-active .sks-menu-nav__link{opacity:1;transform:translateX(0);}
.sks-menu-overlay.is-active li:nth-child(1) .sks-menu-nav__link{transition-delay:0.10s;}
.sks-menu-overlay.is-active li:nth-child(2) .sks-menu-nav__link{transition-delay:0.16s;}
.sks-menu-overlay.is-active li:nth-child(3) .sks-menu-nav__link{transition-delay:0.22s;}
.sks-menu-overlay.is-active li:nth-child(4) .sks-menu-nav__link{transition-delay:0.28s;}

.sks-menu-nav__index{
  font-family:var(--sks-f-en);font-size:12px;color:rgba(196,154,93,0.52);
}
.sks-menu-nav__text{
  font-family:var(--sks-f-en);font-size:clamp(36px,5vw,62px);
  letter-spacing:0.10em;color:rgba(242,237,228,0.76);
  transition:all 0.4s var(--sks-ease);
  position:relative;
}
.sks-menu-nav__text::after{
  content:"";position:absolute;bottom:-4px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(225,191,134,0.6),transparent 80%);
  transform:scaleX(0);transform-origin:left;
  transition:transform 0.5s var(--sks-ease);
}
.sks-menu-nav__link:hover .sks-menu-nav__text{
  color:rgba(225,191,134,0.98);transform:translateX(10px);
}
.sks-menu-nav__link:hover .sks-menu-nav__text::after{
  transform:scaleX(1);
}

/* ========================================
   Footer
   ======================================== */
.sks-footer{
  position:relative;z-index:15;padding:80px 40px 36px;overflow:hidden;
  background:
    radial-gradient(ellipse 800px 300px at 50% 100%,rgba(196,154,93,0.03) 0%,transparent 70%),
    linear-gradient(180deg,transparent 0%,rgba(255,255,255,0.012) 100%);
}
.sks-footer__ambient{
  position:absolute;bottom:-20%;left:50%;transform:translateX(-50%);
  width:min(800px,100vw);height:40vh;pointer-events:none;
  background:radial-gradient(ellipse at 50% 100%,rgba(196,154,93,0.10) 0%,rgba(196,154,93,0.03) 40%,transparent 70%);
  filter:blur(60px);opacity:0.6;
  animation:sksFooterGlow 10s ease-in-out infinite alternate;
}
.sks-footer__watermark{
  position:absolute;bottom:-0.18em;left:50%;transform:translateX(-50%);
  font-family:var(--sks-f-en);font-size:clamp(120px,18vw,240px);
  letter-spacing:0.18em;color:rgba(196,154,93,0.025);
  text-transform:uppercase;white-space:nowrap;pointer-events:none;
  user-select:none;line-height:1;
}
.sks-footer__inner{
  position:relative;z-index:2;max-width:1180px;margin:0 auto;
  padding-top:32px;
  border-top:1px solid rgba(196,154,93,0.12);
  background-image:linear-gradient(90deg,transparent 0%,rgba(196,154,93,0.08) 50%,transparent 100%);
  background-size:100% 1px;background-repeat:no-repeat;background-position:top;
}
.sks-footer__top{
  display:flex;align-items:baseline;gap:16px;margin-bottom:20px;
}
.sks-footer__name{
  font-family:var(--sks-f-en);font-size:16px;letter-spacing:0.26em;color:var(--sks-text);
}
.sks-footer__tagline{
  font-family:var(--sks-f-ui);font-size:9px;font-weight:500;
  letter-spacing:0.24em;color:rgba(225,191,134,0.35);
}
.sks-footer__nav{display:flex;gap:24px;margin-bottom:18px;}
.sks-footer__link{
  font-family:var(--sks-f-ui);font-size:12px;font-weight:400;
  letter-spacing:0.12em;color:var(--sks-text-68);transition:color 0.3s ease;
  position:relative;
}
.sks-footer__link::after{
  content:"";position:absolute;bottom:-3px;left:0;right:0;height:1px;
  background:var(--sks-gold-2);
  transform:scaleX(0);transform-origin:right;
  transition:transform 0.4s var(--sks-ease);
}
.sks-footer__link:hover{color:var(--sks-gold-2);}
.sks-footer__link:hover::after{transform:scaleX(1);transform-origin:left;}
.sks-footer__legal{margin:0;font-family:var(--sks-f-ui);font-size:11px;letter-spacing:0.06em;color:var(--sks-text-24);}

/* ========================================
   Shared buttons & links
   ======================================== */
.sks-btn-primary{
  position:relative;display:inline-flex;justify-content:center;align-items:center;
  min-width:286px;min-height:60px;padding:0 32px;
  border:1px solid rgba(196,154,93,0.40);
  border-radius:var(--sks-radius-btn);
  background:
    linear-gradient(180deg,rgba(255,255,255,0.018),rgba(255,255,255,0.004)),
    rgba(10,10,13,0.88);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.04),
    0 14px 34px rgba(0,0,0,0.20),
    0 0 0 0 rgba(196,154,93,0);
  text-decoration:none;overflow:hidden;
  transition:all 0.45s var(--sks-ease);
}
.sks-btn-primary:hover{
  border-color:rgba(225,191,134,0.55);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.06),
    0 18px 44px rgba(0,0,0,0.25),
    0 0 20px rgba(196,154,93,0.08),
    0 0 0 3px rgba(196,154,93,0.04);
  transform:translateY(-2px);
}
.sks-btn-primary::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(225,191,134,0.18),transparent);
  transform:translateX(-120%);transition:transform 0.8s var(--sks-ease);
}
.sks-btn-primary:hover::before{transform:translateX(120%);}
.sks-btn-primary::after{
  content:"";position:absolute;top:-30%;bottom:-30%;left:-24%;width:18%;
  background:linear-gradient(
    90deg,rgba(255,255,255,0) 0%,rgba(255,255,255,0.04) 20%,
    rgba(225,191,134,0.22) 50%,rgba(255,255,255,0.04) 80%,rgba(255,255,255,0) 100%
  );
  transform:skewX(-20deg) translateX(-220%);
  animation:sksButtonScan 6.6s var(--sks-ease) infinite;pointer-events:none;
}
.sks-btn-primary__text,
.sks-btn-primary span{
  position:relative;z-index:1;font-family:var(--sks-f-sans);
  font-size:12.5px;letter-spacing:0.16em;color:rgba(225,191,134,0.96);
}
.sks-btn-primary--disabled{
  cursor:default;opacity:0.45;
  border-color:rgba(196,154,93,0.16);
  pointer-events:none;
}

.sks-link-secondary{
  display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--sks-text-56);font-size:12px;letter-spacing:0.12em;
  transition:color 0.3s ease;
}
.sks-link-secondary:hover{color:var(--sks-gold-2);}
.sks-link-secondary__dot{
  width:5px;height:5px;border-radius:50%;
  background:rgba(196,154,93,0.56);
}

/* ========================================
   Reveal system
   ======================================== */
.sks-reveal{
  opacity:0;transform:translateY(32px) scale(0.982);filter:blur(12px);
  transition:opacity 1s var(--sks-ease),transform 1s var(--sks-ease),filter 1s var(--sks-ease);
  will-change:opacity,transform,filter;
}
.sks-reveal.is-visible{
  opacity:1;transform:translateY(0) scale(1);filter:blur(0);
}
/* Staggered reveal children */
.sks-reveal-stagger > *{
  opacity:0;transform:translateY(20px);
  transition:opacity 0.7s var(--sks-ease),transform 0.7s var(--sks-ease);
}
.sks-reveal-stagger.is-visible > *{opacity:1;transform:translateY(0);}
.sks-reveal-stagger.is-visible > *:nth-child(1){transition-delay:0.05s;}
.sks-reveal-stagger.is-visible > *:nth-child(2){transition-delay:0.12s;}
.sks-reveal-stagger.is-visible > *:nth-child(3){transition-delay:0.19s;}
.sks-reveal-stagger.is-visible > *:nth-child(4){transition-delay:0.26s;}
.sks-reveal-stagger.is-visible > *:nth-child(5){transition-delay:0.33s;}
.sks-reveal-stagger.is-visible > *:nth-child(6){transition-delay:0.40s;}

/* ========================================
   Shared page hero
   ======================================== */
.sks-page-hero{
  position:relative;padding:180px 44px 90px;
  background:
    radial-gradient(ellipse 900px 450px at 50% 25%,rgba(225,191,134,0.14) 0%,transparent 55%),
    radial-gradient(ellipse 500px 350px at 15% 55%,rgba(196,154,93,0.06) 0%,transparent 65%),
    radial-gradient(ellipse 500px 350px at 85% 65%,rgba(196,154,93,0.04) 0%,transparent 65%),
    radial-gradient(circle 200px at 50% 80%,rgba(140,100,45,0.03) 0%,transparent 100%),
    linear-gradient(180deg,#0b0b0d 0%,#0d0d10 40%,#0a0a0c 100%);
  overflow:hidden;
}
.sks-page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(rgba(255,255,255,0.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.018) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(circle at 50% 40%,rgba(0,0,0,0.25) 0%,transparent 68%);
  opacity:0.18;pointer-events:none;
}
.sks-page-hero::after{
  content:"";position:absolute;bottom:0;left:0;right:0;height:120px;
  background:linear-gradient(to top,var(--sks-bg),transparent);
  pointer-events:none;
}
/* Ambient glow for subpage heroes */
.sks-page-hero__glow{
  position:absolute;top:-10%;left:50%;transform:translateX(-50%);
  width:min(1000px,120vw);height:50vh;pointer-events:none;
  background:radial-gradient(ellipse at 50% 10%,rgba(225,191,134,0.18) 0%,rgba(196,154,93,0.06) 35%,transparent 68%);
  filter:blur(44px);opacity:calc(0.65 + var(--sokson-density, 0) * 0.25);
  animation:sksPageGlow 7s ease-in-out infinite alternate;
}
.sks-page-hero__particles{
  position:absolute;inset:0;pointer-events:none;overflow:hidden;
}
.sks-page-hero__particle{
  position:absolute;border-radius:50%;
  background:rgba(225,191,134,0.45);box-shadow:0 0 20px rgba(196,154,93,0.2);
}
.sks-page-hero__particle--1{
  width:2.5px;height:2.5px;top:28%;left:18%;
  animation:sksFloatParticle1 12s ease-in-out infinite,sksSparkPulse 5s ease-in-out infinite;
}
.sks-page-hero__particle--2{
  width:2px;height:2px;top:52%;left:78%;
  animation:sksFloatParticle2 15s ease-in-out infinite,sksSparkPulse 6.2s ease-in-out infinite;
}
.sks-page-hero__particle--3{
  width:2.5px;height:2.5px;top:68%;left:42%;
  animation:sksFloatParticle1 18s ease-in-out infinite reverse,sksSparkPulse 7.4s ease-in-out infinite;
}

.sks-page-hero__inner{max-width:900px;margin:0 auto;position:relative;z-index:2;}

.sks-page-hero__label{
  margin:0 0 22px;font-family:var(--sks-f-ui);font-size:11px;font-weight:500;
  letter-spacing:0.36em;color:rgba(225,191,134,0.85);text-transform:uppercase;
  display:inline-flex;align-items:center;gap:14px;
  padding:6px 18px 6px 0;
  position:relative;
}
.sks-page-hero__label::before{
  content:"";width:32px;height:1px;
  background:linear-gradient(90deg,rgba(225,191,134,0.6),rgba(225,191,134,0.1));
}
.sks-page-hero__label::after{
  content:"";position:absolute;bottom:-2px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(225,191,134,0.15),transparent 70%);
}
.sks-page-hero__heading{
  margin:0 0 28px;font-family:var(--sks-f-serif);
  font-size:clamp(38px,6.6vw,76px);font-weight:400;
  line-height:1.30;letter-spacing:0.02em;
  color:var(--sks-text);
  text-shadow:0 2px 40px rgba(196,154,93,0.06);
}
.sks-page-hero__lead{
  margin:0;font-family:var(--sks-f-serif);
  font-size:clamp(15px,1.8vw,18px);font-weight:300;
  line-height:2.25;letter-spacing:0.05em;color:var(--sks-text-68);
  max-width:700px;
}

/* ========================================
   Shared section label
   ======================================== */
.sks-section-label{
  font-family:var(--sks-f-ui);font-size:11px;font-weight:500;
  letter-spacing:0.36em;text-transform:uppercase;
  color:rgba(225,191,134,0.82);margin-bottom:34px;
  text-align:center;
  display:flex;align-items:center;justify-content:center;gap:18px;
  position:relative;
}
.sks-section-label::before,
.sks-section-label::after{
  content:"";width:28px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(225,191,134,0.45));
  transition:width 0.8s var(--sks-ease);
}
.sks-section-label::after{
  background:linear-gradient(90deg,rgba(225,191,134,0.45),transparent);
}
.is-visible .sks-section-label::before,
.is-visible .sks-section-label::after{
  width:40px;
}

/* ========================================
   Shared divider
   ======================================== */
.sks-divider{
  padding:28px 0 32px;text-align:center;
  position:relative;
}
.sks-divider span{
  display:inline-block;width:120px;height:1px;position:relative;
  background:linear-gradient(90deg,transparent,rgba(225,191,134,0.50),rgba(225,191,134,0.65),rgba(225,191,134,0.50),transparent);
  transform:scaleX(0);transition:transform 1.4s var(--sks-ease);
}
.sks-divider span::before{
  content:"";position:absolute;top:-2px;left:50%;
  width:5px;height:5px;transform:translateX(-50%);border-radius:50%;
  background:rgba(225,191,134,0.55);
  box-shadow:0 0 10px rgba(196,154,93,0.35),0 0 24px rgba(196,154,93,0.12);
}
.sks-divider span::after{
  content:"";position:absolute;top:-6px;left:50%;
  width:40px;height:14px;transform:translateX(-50%);
  background:radial-gradient(ellipse,rgba(196,154,93,0.15) 0%,transparent 70%);
  filter:blur(4px);pointer-events:none;
}
.sks-divider.is-visible span{
  transform:scaleX(1);
}

/* ========================================
   Shared nav cards (bottom of pages)
   ======================================== */
.sks-nav-cards{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  max-width:1180px;margin:0 auto;padding:0 40px;
}
.sks-nav-card{
  display:flex;align-items:center;justify-content:space-between;
  padding:30px 28px;border-radius:var(--sks-radius-card);
  border:1px solid var(--sks-glass-border);
  background:var(--sks-glass-shine),var(--sks-bg-2);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  text-decoration:none;color:inherit;
  transition:all 0.5s var(--sks-ease);
  overflow:hidden;position:relative;
}
.sks-nav-card::before{
  content:"";position:absolute;top:0;left:18px;right:18px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(196,154,93,0.30),transparent);
  opacity:0;transform:scaleX(0.4);
  transition:opacity 0.5s ease,transform 0.6s var(--sks-ease);
}
.sks-nav-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle 200px at var(--mouse-x,50%) var(--mouse-y,50%),rgba(196,154,93,0.04) 0%,transparent 100%);
  opacity:0;transition:opacity 0.5s ease;
}
.sks-nav-card:hover{
  transform:translateY(-6px);border-color:rgba(196,154,93,0.30);
  box-shadow:0 20px 50px rgba(0,0,0,0.28),0 0 30px rgba(196,154,93,0.06),
    inset 0 1px 0 rgba(255,255,255,0.06);
}
.sks-nav-card:hover::before{opacity:1;transform:scaleX(1);}
.sks-nav-card:hover::after{opacity:1;}
.sks-nav-card__icon{
  font-family:var(--sks-f-ui);font-size:10px;font-weight:500;
  letter-spacing:0.22em;color:rgba(225,191,134,0.65);
}
.sks-nav-card__name{
  margin:6px 0 0;font-family:var(--sks-f-en);font-size:20px;
  letter-spacing:0.14em;color:var(--sks-text);
}
.sks-nav-card__arrow{
  font-family:var(--sks-f-en);font-size:20px;color:rgba(196,154,93,0.80);
  transition:transform 0.35s var(--sks-ease);
}
.sks-nav-card:hover .sks-nav-card__arrow{transform:translateX(8px);}

/* ========================================
   Prose — Premium Typography
   ======================================== */
.sks-prose{color:rgba(246,241,234,0.88);}
.sks-prose > *:first-child{margin-top:0;}
.sks-prose > *:last-child{margin-bottom:0;}
.sks-prose h2,.sks-prose h3{
  color:var(--sks-text);font-family:var(--sks-f-serif);
  font-weight:400;line-height:1.4;margin:2.2em 0 0.8em;
}
.sks-prose h2{font-size:clamp(1.4rem,2vw,1.8rem);}
.sks-prose p,.sks-prose li{
  font-family:var(--sks-f-serif);
  font-size:clamp(15.5px,1.6vw,18px);line-height:2.35;
  letter-spacing:0.03em;
}
.sks-prose p{margin:0 0 2em;}
.sks-prose ul,.sks-prose ol{padding-left:1.35em;}
.sks-prose a{color:var(--sks-gold-2);border-bottom:1px solid rgba(196,154,93,0.24);}
.sks-prose strong{color:var(--sks-text);font-weight:500;}

/* Opening line — the hook */
.sks-prose__opening{
  font-size:clamp(17px,1.85vw,21px) !important;
  color:var(--sks-text) !important;font-weight:400;
  line-height:2.15;margin-bottom:2.6em !important;
  position:relative;
  padding-bottom:2em;
}
.sks-prose__opening::after{
  content:"";position:absolute;bottom:0;left:0;
  width:48px;height:1px;
  background:linear-gradient(90deg,var(--sks-gold),transparent);
}

/* Highlight blockquote — key turning point */
.sks-prose__highlight{
  margin:2.8em 0;padding:34px 0 34px 36px;
  border-left:none;
  font-family:var(--sks-f-serif);
  font-size:clamp(16px,1.7vw,19px);
  line-height:2.3;color:var(--sks-text);
  font-style:normal;
  position:relative;
  background:
    linear-gradient(90deg,rgba(196,154,93,0.06) 0%,transparent 60%);
  border-radius:0 8px 8px 0;
}
.sks-prose__highlight::before{
  content:"";position:absolute;top:0;left:0;width:3px;height:100%;
  background:linear-gradient(180deg,var(--sks-gold-2) 0%,rgba(196,154,93,0.25) 100%);
  box-shadow:0 0 18px rgba(196,154,93,0.20);
  border-radius:2px;
}
.sks-prose__highlight strong{
  color:var(--sks-gold-3);font-weight:400;
  text-shadow:0 0 36px rgba(196,154,93,0.12);
}

/* Theme blockquote — the sacred philosophy */
.sks-prose__theme{
  margin:3.5em 0;padding:56px 40px;
  border:none;text-align:center;
  position:relative;
  background:
    radial-gradient(ellipse 80% 70% at 50% 50%,rgba(196,154,93,0.08) 0%,transparent 70%),
    linear-gradient(180deg,rgba(14,14,17,0.4) 0%,rgba(14,14,17,0.2) 100%);
  border-top:1px solid rgba(196,154,93,0.20);
  border-bottom:1px solid rgba(196,154,93,0.20);
  border-radius:4px;
}
.sks-prose__theme::before{
  content:"";position:absolute;top:-1px;left:15%;right:15%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(225,191,134,0.35),transparent);
}
.sks-prose__theme::after{
  content:"";position:absolute;bottom:-1px;left:15%;right:15%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(225,191,134,0.35),transparent);
}
.sks-prose__theme-label{
  display:block;margin-bottom:20px;
  font-family:var(--sks-f-ui);font-size:11px;font-weight:500;
  letter-spacing:0.30em;text-transform:uppercase;
  color:rgba(225,191,134,0.75);
}
.sks-prose__theme em{
  display:block;font-style:normal;
  font-family:var(--sks-f-serif);
  font-size:clamp(22px,2.8vw,30px);font-weight:400;
  line-height:1.9;letter-spacing:0.08em;
  color:var(--sks-gold-3);
  text-shadow:0 0 50px rgba(196,154,93,0.16);
}

/* Closing — strong finish with gravitas */
.sks-prose__closing{
  font-size:clamp(16px,1.7vw,18px) !important;
  color:var(--sks-text) !important;line-height:2.3;
  margin-top:2.8em !important;
  padding-top:2em;
  position:relative;
}
.sks-prose__closing::before{
  content:"";position:absolute;top:0;left:0;
  width:48px;height:1px;
  background:linear-gradient(90deg,var(--sks-gold),transparent);
}

/* Mobile prose adjustments */
@media (max-width:768px){
  .sks-prose p,.sks-prose li{font-size:15px;line-height:2.15;}
  .sks-prose__opening{font-size:16px !important;line-height:2.05;}
  .sks-prose__highlight{padding:26px 0 26px 24px;font-size:15px;}
  .sks-prose__theme{padding:40px 24px;}
  .sks-prose__theme em{font-size:20px;line-height:1.85;}
  .sks-prose__closing{font-size:15px !important;line-height:2.1;}
}

/* ========================================
   Keyframes (shared)
   ======================================== */
@keyframes sksButtonScan{
  0%,72%{transform:skewX(-20deg) translateX(-220%);opacity:0;}
  76%{opacity:1;}
  92%{transform:skewX(-20deg) translateX(620%);opacity:1;}
  100%{transform:skewX(-20deg) translateX(620%);opacity:0;}
}
@keyframes sksFadeUp{
  from{opacity:0;transform:translateY(18px);}
  to{opacity:1;transform:translateY(0);}
}
/* SOKSON characters condense from smoke, hold sharp (1.3s), dissolve back into haze (2.8s total) */
@keyframes sksCharCrystallize{
  0%   {opacity:0;transform:translateY(0) scale(1.45);filter:blur(22px) brightness(1.6);}
  12%  {opacity:0.25;transform:translateY(0) scale(1.30);filter:blur(15px) brightness(1.40);}
  25%  {opacity:0.65;transform:translateY(0) scale(1.10);filter:blur(7px) brightness(1.18);}
  32%  {opacity:1;transform:translateY(0) scale(1.0);filter:blur(0) brightness(1);}
  78%  {opacity:1;transform:translateY(0) scale(1.0);filter:blur(0) brightness(1);}
  100% {opacity:0;transform:translateY(-3px) scale(1.07);filter:blur(9px) brightness(1.4);}
}

/* Convection — smoke expands outward, vortexes fast back to center, halos around sharp SOKSON, fades.
   Three layers rotate in different directions and speeds for visible vortex (4.0s). */
@keyframes sksFogConvectionA{
  /* dust — fast clockwise, biggest expansion */
  0%   {opacity:0;transform:translate(-50%,-50%) scale(0.5) rotate(0);filter:brightness(0.95) contrast(1.1) blur(0.5px);}
  15%  {opacity:0.92;transform:translate(-50%,-50%) scale(2.8) rotate(25deg);filter:brightness(1.12) contrast(1.18) blur(2px);}
  25%  {opacity:1;transform:translate(-50%,-50%) scale(0.55) rotate(70deg);filter:brightness(1.22) contrast(1.25) blur(1.5px);}
  35%  {opacity:0.95;transform:translate(-50%,-50%) scale(0.7) rotate(105deg);filter:brightness(1.18) contrast(1.22) blur(2px);}
  60%  {opacity:0.6;transform:translate(-50%,-50%) scale(0.85) rotate(140deg);filter:brightness(1.0) contrast(1.14) blur(3px);}
  85%  {opacity:0.3;transform:translate(-50%,-50%) scale(1.05) rotate(165deg);filter:brightness(0.92) contrast(1.08) blur(4.5px);}
  100% {opacity:0;transform:translate(-50%,-50%) scale(1.4) rotate(180deg);filter:brightness(0.78) contrast(1.0) blur(8px);}
}
@keyframes sksFogConvectionB{
  /* wispy — counter-clockwise, opposite swirl */
  0%   {opacity:0;transform:translate(-50%,-50%) scale(0.6) rotate(0);filter:brightness(0.95) contrast(1.1) blur(0.8px);}
  15%  {opacity:0.95;transform:translate(-50%,-50%) scale(2.4) rotate(-20deg);filter:brightness(1.10) contrast(1.16) blur(2px);}
  25%  {opacity:1;transform:translate(-50%,-50%) scale(0.6) rotate(-60deg);filter:brightness(1.20) contrast(1.24) blur(1.6px);}
  35%  {opacity:0.95;transform:translate(-50%,-50%) scale(0.75) rotate(-90deg);filter:brightness(1.15) contrast(1.20) blur(2.4px);}
  60%  {opacity:0.6;transform:translate(-50%,-50%) scale(0.9) rotate(-115deg);filter:brightness(1.0) contrast(1.14) blur(3.4px);}
  85%  {opacity:0.3;transform:translate(-50%,-50%) scale(1.1) rotate(-135deg);filter:brightness(0.92) contrast(1.08) blur(5px);}
  100% {opacity:0;transform:translate(-50%,-50%) scale(1.5) rotate(-145deg);filter:brightness(0.78) contrast(1.0) blur(10px);}
}
@keyframes sksFogConvectionC{
  /* dense — slow clockwise core, holds SOKSON form */
  0%   {opacity:0;transform:translate(-50%,-50%) scale(0.7) rotate(0);filter:brightness(0.95) contrast(1.1) blur(1px);}
  15%  {opacity:1;transform:translate(-50%,-50%) scale(2.0) rotate(10deg);filter:brightness(1.08) contrast(1.16) blur(2.5px);}
  25%  {opacity:1;transform:translate(-50%,-50%) scale(0.65) rotate(30deg);filter:brightness(1.22) contrast(1.26) blur(1.8px);}
  35%  {opacity:1;transform:translate(-50%,-50%) scale(0.78) rotate(50deg);filter:brightness(1.18) contrast(1.22) blur(2.6px);}
  60%  {opacity:0.7;transform:translate(-50%,-50%) scale(0.95) rotate(65deg);filter:brightness(1.0) contrast(1.16) blur(3.6px);}
  85%  {opacity:0.35;transform:translate(-50%,-50%) scale(1.15) rotate(80deg);filter:brightness(0.92) contrast(1.10) blur(5.5px);}
  100% {opacity:0;transform:translate(-50%,-50%) scale(1.6) rotate(90deg);filter:brightness(0.78) contrast(1.0) blur(13px);}
}
@keyframes sksLoaderGlowTop{
  from{opacity:0.34;transform:translateX(-50%) translateY(-6px);}
  to{opacity:0.48;transform:translateX(-50%) translateY(8px);}
}
@keyframes sksLoaderCore{
  from{opacity:0.64;transform:translate(-50%,-50%) scale(0.96);}
  to{opacity:1;transform:translate(-50%,-50%) scale(1.04);}
}
@keyframes sksPageGlow{
  from{opacity:0.36;transform:translateX(-50%) translateY(-4px) scale(0.97);}
  to{opacity:0.58;transform:translateX(-50%) translateY(6px) scale(1.03);}
}
@keyframes sksFloatParticle1{
  0%,100%{transform:translate(0,0);opacity:0.14;}
  33%{transform:translate(22px,-16px);opacity:0.38;}
  66%{transform:translate(-8px,-28px);opacity:0.22;}
}
@keyframes sksFloatParticle2{
  0%,100%{transform:translate(0,0);opacity:0.12;}
  50%{transform:translate(-18px,14px);opacity:0.36;}
}
@keyframes sksSparkPulse{
  0%,100%{opacity:0.16;box-shadow:0 0 10px rgba(196,154,93,0.08);}
  50%{opacity:0.42;box-shadow:0 0 22px rgba(196,154,93,0.18);}
}

/* ========================================
   Page exit transition
   ======================================== */
body.is-leaving{
  opacity:0;transform:scale(0.982);filter:blur(8px);
  transition:opacity 0.5s var(--sks-ease),transform 0.5s var(--sks-ease),filter 0.5s var(--sks-ease);
  pointer-events:none;
}
/* Page transition overlay flash */
body.is-leaving::after{
  content:"";position:fixed;inset:0;z-index:99999;pointer-events:none;
  background:radial-gradient(circle at 50% 50%,rgba(196,154,93,0.06) 0%,transparent 50%);
  opacity:1;
  animation:sksPageFlash 0.5s ease-out forwards;
}
@keyframes sksPageFlash{
  0%{opacity:0;}
  30%{opacity:1;}
  100%{opacity:0;}
}

/* ========================================
   Card tilt (3D mouse-follow)
   ======================================== */
.sks-tilt{
  transform-style:preserve-3d;perspective:900px;
}
.sks-tilt-inner{
  transition:transform 0.15s ease-out;will-change:transform;
  border-radius:inherit;
}
.sks-tilt .sks-tilt-glow{
  position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:radial-gradient(circle 200px at var(--tilt-x,50%) var(--tilt-y,50%),
    rgba(225,191,134,0.06) 0%,transparent 60%);
  opacity:0;transition:opacity 0.4s ease;
}
.sks-tilt:hover .sks-tilt-glow{opacity:1;}

/* Premium glass reflection on tilt */
.sks-tilt::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(105deg,rgba(255,255,255,0.04) 0%,transparent 40%,transparent 60%,rgba(255,255,255,0.02) 100%);
  opacity:0;transition:opacity 0.4s ease;
}
.sks-tilt:hover::after{opacity:1;}

@keyframes sksFooterGlow{
  from{opacity:0.4;transform:translateX(-50%) scale(0.96);}
  to{opacity:0.7;transform:translateX(-50%) scale(1.04);}
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width:768px){
  .sks-header{padding:calc(env(safe-area-inset-top) + 14px) 22px 0 22px;}
  .sks-logo__text{font-size:15px;letter-spacing:0.22em;}
  .sks-nav-toggle{width:52px;height:52px;}
  .sks-nav-toggle__line:nth-child(1){width:24px;}
  .sks-nav-toggle__line:nth-child(2){width:15px;}

  .sks-loader__frame{
    inset:calc(env(safe-area-inset-top)+10px) 10px calc(env(safe-area-inset-bottom)+12px) 10px;
    border-radius:22px;
  }
  .sks-loader__inner{width:calc(100% - 36px);}
  .sks-loader__logo{font-size:clamp(2.4rem,12vw,4rem);letter-spacing:0.12em;}

  .sks-menu-overlay__inner{width:calc(100% - 40px);padding-top:calc(env(safe-area-inset-top) + 12px);}
  .sks-menu-nav{gap:16px;}
  .sks-menu-nav__link{grid-template-columns:34px 1fr;gap:14px;}
  .sks-menu-nav__text{font-size:clamp(28px,10vw,42px);}

  .sks-page-hero{padding:140px 24px 74px;}
  .sks-page-hero__heading{font-size:clamp(28px,8vw,42px);line-height:1.55;}

  .sks-footer{padding:60px 20px 28px;}
  .sks-footer__top{flex-direction:column;gap:6px;}
  .sks-footer__nav{flex-wrap:wrap;gap:16px;}

  .sks-nav-cards{grid-template-columns:1fr;padding:0 20px;gap:14px;}
  .sks-nav-card{padding:24px 20px;}
  .sks-nav-card__name{font-size:17px;}

  .sks-reveal{transform:translateY(22px) scale(0.992);filter:blur(8px);}

  /* Mobile bottom nav */
  .sks-mobile-nav{
    display:flex;
    position:fixed;bottom:0;left:0;right:0;z-index:90;
    justify-content:space-around;align-items:center;
    padding:10px 8px calc(env(safe-area-inset-bottom) + 6px);
    background:rgba(7,7,8,0.75);
    backdrop-filter:blur(24px) saturate(1.6);
    -webkit-backdrop-filter:blur(24px) saturate(1.6);
    border-top:1px solid rgba(196,154,93,0.10);
    box-shadow:0 -8px 32px rgba(0,0,0,0.2);
    transform:translateY(100%);
    transition:transform 0.5s var(--sks-ease);
  }
  .sks-mobile-nav.is-visible{transform:translateY(0);}
  .sks-mobile-nav__item{
    display:flex;flex-direction:column;align-items:center;gap:3px;
    text-decoration:none;color:var(--sks-text-24);
    transition:color 0.3s ease;
    padding:8px 12px;position:relative;
    min-height:44px;min-width:44px;justify-content:center;
  }
  .sks-mobile-nav__item.is-active{color:var(--sks-gold);}
  .sks-mobile-nav__item.is-active::after{
    content:"";position:absolute;top:-10px;left:50%;transform:translateX(-50%);
    width:16px;height:2px;border-radius:1px;
    background:var(--sks-gold);
    box-shadow:0 0 8px rgba(196,154,93,0.4);
  }
  .sks-mobile-nav__icon{font-size:14px;line-height:1;}
  .sks-mobile-nav__label{
    font-family:var(--sks-f-en);font-size:8px;
    letter-spacing:0.14em;text-transform:uppercase;
  }

  /* Add bottom padding for mobile nav clearance */
  .sks-main{padding-bottom:calc(72px + env(safe-area-inset-bottom));}
  .sks-footer{padding-bottom:calc(68px + env(safe-area-inset-bottom));}

  /* Scroll cue hide when mobile nav is visible */
  body.has-mobile-nav .sks-scroll-cue{opacity:0 !important;}
}

@media (prefers-reduced-motion:reduce){
  .sks-loader{--sks-vault-offset:0s;}
  .sks-loader,.sks-loader__char,.sks-loader__toplight,.sks-loader__glow{
    animation:none !important;transition:none !important;transform:none !important;
  }
  .sks-loader__vault,.sks-loader__vault-door,.sks-loader__vault-half,.sks-loader__vault-seam,.sks-loader__vault-burst,.sks-loader__fog-layers,.sks-loader__fog{
    display:none !important;
  }
  .sks-loader__logo{opacity:1 !important;}
  .sks-loader__char{opacity:1 !important;filter:none !important;}
  .sks-reveal,.sks-reveal.is-visible{
    opacity:1 !important;transform:none !important;filter:none !important;transition:none !important;
  }
}

/* ========================================
   Sound toggle button
   ======================================== */
.sks-sound-toggle{
  position:relative;display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;padding:0;margin:0;
  background:none;border:1px solid transparent;border-radius:50%;
  cursor:pointer;color:var(--sks-text-50);
  transition:color 0.3s var(--sks-ease),border-color 0.3s var(--sks-ease);
}
.sks-sound-toggle__icon{width:18px;height:18px;}
.sks-sound-toggle__icon--off{display:none;}
.sks-sound-toggle.is-muted .sks-sound-toggle__icon--on{display:none;}
.sks-sound-toggle.is-muted .sks-sound-toggle__icon--off{display:block;}

@media (hover:hover){
  .sks-sound-toggle:hover{
    color:var(--sks-gold-2);
    border-color:rgba(196,154,93,0.2);
  }
}

/* ========================================
   Easter Eggs — 隠しモード CSS
   ======================================== */

/* Gold Mode (Konami Code) */
.sks-gold-mode{
  --sks-gold-1:rgba(225,191,134,1);
  --sks-gold-2:rgba(196,154,93,1);
}
.sks-gold-mode .sks-logo__text{
  color:var(--sks-gold-1) !important;
  text-shadow:0 0 20px rgba(196,154,93,0.4),0 0 60px rgba(196,154,93,0.15);
  transition:color 0.8s ease,text-shadow 0.8s ease;
}
.sks-gold-mode .sks-header{
  border-bottom-color:rgba(196,154,93,0.25);
}
.sks-gold-mode .sks-scroll-progress{
  background:linear-gradient(90deg,rgba(196,154,93,0.6),rgba(225,191,134,0.9)) !important;
}
.sks-gold-mode .sks-nav-toggle__line{
  background:var(--sks-gold-1) !important;
}
/* Gold Mode の SVG 歯車にも反映（3D なし環境） */
.sks-gold-mode .sks-gear__path{
  stroke:rgba(225,191,134,0.8) !important;
  filter:drop-shadow(0 0 8px rgba(196,154,93,0.3));
  transition:stroke 1s ease;
}

/* Reverse Gears (SOKSON タイプ) */
.sks-reverse-gears .sks-gear__spin{
  animation-direction:reverse !important;
}

/* Midnight Mode (02:00-04:00) */
.sks-midnight-mode{
  --sks-bg:#050507;
  --sks-text:rgba(200,195,188,0.92);
}
.sks-midnight-mode .sks-loader__bg{
  background:#030305;
}
.sks-midnight-mode .sks-ambient-particles{
  filter:hue-rotate(220deg) saturate(0.6);
}