:root{
  --bg:#07070a;
  --bg-soft:#0f0f14;
  --fg:#f3f1ea;
  --fg-dim:#9a978f;
  --accent:#c9a66b;
  --accent-2:#8b7cf6;
  --line:rgba(243,241,234,0.14);
  --ff-display:'Space Grotesk',sans-serif;
  --ff-body:'Noto Sans JP',sans-serif;
  --dot-size:8px;
  --nav-w:120px;
  --ease:cubic-bezier(.16,.84,.44,1);
}

*{box-sizing:border-box;margin:0;padding:0;}
html,body{height:100%;background:var(--bg);color:var(--fg);}
body{
  font-family:var(--ff-body);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
h1,h2,h3,h4{font-weight:500;letter-spacing:-0.01em;}

::selection{background:var(--accent);color:#07070a;}

/* grain */
.grain{
  position:fixed;inset:0;z-index:9999;pointer-events:none;
  opacity:.035;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* loader */
.loader{
  position:fixed;inset:0;z-index:10000;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .8s var(--ease),visibility .8s var(--ease);
}
.loader span{
  font-family:var(--ff-display);font-size:14px;letter-spacing:.4em;
  color:var(--fg-dim);opacity:0;animation:loaderFade 1.4s var(--ease) forwards;
}
.loader.hide{opacity:0;visibility:hidden;}
@keyframes loaderFade{
  0%{opacity:0;letter-spacing:.8em;}
  60%{opacity:1;}
  100%{opacity:.6;letter-spacing:.4em;}
}

/* topbar */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:500;
  display:flex;align-items:center;justify-content:space-between;
  padding:28px 36px;
  mix-blend-mode:difference;
}
.logo{
  font-family:var(--ff-display);font-weight:700;font-size:16px;
  letter-spacing:.08em;color:var(--fg);
}
.logo span{color:var(--accent);mix-blend-mode:normal;}
.topbar-right{display:flex;align-items:center;gap:22px;}
.lang-toggle{
  display:flex;align-items:center;gap:6px;font-family:var(--ff-display);
  font-size:12px;letter-spacing:.1em;color:var(--fg-dim);
}
.lang-opt{transition:color .3s var(--ease);}
.lang-opt.active{color:var(--fg);}
.lang-sep{opacity:.4;}
.menu-btn{display:none;flex-direction:column;gap:5px;width:22px;}
.menu-btn span{display:block;height:1px;background:var(--fg);width:100%;}

/* dot nav */
.dotnav{
  position:fixed;right:36px;top:50%;transform:translateY(-50%);
  z-index:500;display:flex;flex-direction:column;gap:18px;align-items:flex-end;
}
.dot{
  display:flex;align-items:center;gap:10px;position:relative;
}
.dot::before{
  content:'';width:var(--dot-size);height:var(--dot-size);border-radius:50%;
  border:1px solid var(--fg-dim);transition:all .4s var(--ease);
}
.dot span{
  font-family:var(--ff-display);font-size:11px;letter-spacing:.08em;color:var(--fg-dim);
  opacity:0;transform:translateX(6px);transition:all .35s var(--ease);white-space:nowrap;
}
.dot:hover span{opacity:1;transform:translateX(0);}
.dot.active::before{background:var(--accent);border-color:var(--accent);transform:scale(1.3);}
.dot.active span{opacity:1;transform:translateX(0);color:var(--fg);}

/* swipe hint */
.swipe-hint{
  position:fixed;left:50%;bottom:28px;transform:translateX(-50%);
  z-index:400;display:flex;flex-direction:column;align-items:center;gap:4px;
  color:var(--fg-dim);font-family:var(--ff-display);font-size:10px;letter-spacing:.15em;
  transition:opacity .5s var(--ease);
}
.swipe-hint i{width:16px;height:16px;animation:bounce 1.8s ease-in-out infinite;}
.swipe-hint.hidden{opacity:0;pointer-events:none;}
@keyframes bounce{0%,100%{transform:translateY(0);}50%{transform:translateY(6px);}}

/* main scroller */
#main{
  height:100vh;height:100dvh;overflow-y:scroll;overflow-x:hidden;
  scroll-snap-type:y mandatory;scroll-behavior:smooth;
}
.panel{
  position:relative;height:100vh;height:100dvh;width:100%;
  scroll-snap-align:start;scroll-snap-stop:always;
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.panel-inner{position:relative;z-index:2;width:100%;max-width:1280px;padding:0 48px;}
.bg-layer{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.08);
}
.bg-layer--static{transform:scale(1);}
.overlay{position:absolute;inset:0;}
.overlay--dark{background:linear-gradient(180deg,rgba(7,7,10,.55) 0%,rgba(7,7,10,.78) 55%,rgba(7,7,10,.95) 100%);}

/* hero */
.hero-inner{text-align:center;}
.eyebrow{
  font-family:var(--ff-display);font-size:12px;letter-spacing:.3em;color:var(--accent);
  margin-bottom:22px;
}
.hero-title{font-family:var(--ff-display);font-size:clamp(64px,13vw,168px);line-height:.92;font-weight:700;}
.hero-title .line{display:block;}
.hero-title .accent{color:var(--accent);}
.hero-sub{
  max-width:560px;margin:26px auto 0;font-size:15px;line-height:1.9;color:var(--fg-dim);
  font-weight:300;
}
.hero-cta{margin-top:40px;}
.btn-ghost{
  display:inline-block;padding:16px 40px;border:1px solid var(--line);border-radius:999px;
  font-family:var(--ff-display);font-size:12px;letter-spacing:.15em;
  transition:all .4s var(--ease);
}
.btn-ghost:hover{background:var(--fg);color:var(--bg);border-color:var(--fg);}
.scroll-cue{
  position:absolute;bottom:40px;left:50%;transform:translateX(-50%);
  color:var(--fg-dim);animation:bounce 2s ease-in-out infinite;
}
.scroll-cue i{width:20px;height:20px;}

/* section head generic */
.section-head{text-align:center;margin-bottom:56px;}
.section-head h2{font-family:var(--ff-display);font-size:clamp(34px,5vw,56px);}
.section-desc{color:var(--fg-dim);font-size:13px;margin-top:10px;}

/* works */
.works-inner{max-width:100%;padding:0;}
.works .section-head{padding:0 48px;}
.works-track{
  display:flex;gap:28px;overflow-x:auto;padding:10px 48px 30px;scroll-snap-type:x proximity;
  cursor:grab;scrollbar-width:none;user-select:none;
}
.works-track::-webkit-scrollbar{display:none;}
.works-track.dragging{cursor:grabbing;scroll-behavior:auto;}
.work-card{
  position:relative;flex:0 0 clamp(260px,32vw,420px);height:56vh;min-height:360px;
  border-radius:4px;overflow:hidden;scroll-snap-align:center;
  cursor:pointer;
}
.work-img{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.02);transition:transform .7s var(--ease),filter .7s var(--ease);
  filter:grayscale(.25) brightness(.72);
}
.work-card::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,7,10,0) 35%,rgba(7,7,10,.92) 100%);
}
.work-card:hover .work-img{transform:scale(1.1);filter:grayscale(0) brightness(.85);}
.work-meta{position:absolute;left:24px;right:24px;bottom:22px;z-index:2;}
.work-num{font-family:var(--ff-display);font-size:11px;color:var(--accent);letter-spacing:.1em;}
.work-meta h3{font-family:var(--ff-display);font-size:21px;margin-top:8px;}
.work-tag{font-size:12px;color:var(--fg-dim);margin-top:4px;}
.works-progress{
  height:1px;background:var(--line);margin:0 48px;position:relative;
}
.works-progress span{
  position:absolute;left:0;top:0;height:100%;width:20%;background:var(--accent);
  transition:width .2s linear;
}

/* about */
.about-inner{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center;}
.about-media{position:relative;height:62vh;min-height:420px;}
.about-img{position:absolute;inset:0;background-size:cover;background-position:center;border-radius:4px;}
.about-img-chip{
  position:absolute;width:42%;height:34%;right:-10%;bottom:-8%;
  background-size:cover;background-position:center;border:6px solid var(--bg);border-radius:4px;
  box-shadow:0 20px 50px rgba(0,0,0,.5);
}
.about-content .eyebrow{margin-bottom:14px;}
.about-content h2{font-family:var(--ff-display);font-size:clamp(32px,4.4vw,52px);margin-bottom:22px;}
.about-text{color:var(--fg-dim);font-size:14.5px;line-height:1.95;font-weight:300;max-width:480px;}
.skill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.skill-list span{
  padding:9px 18px;border:1px solid var(--line);border-radius:999px;font-size:12px;
  color:var(--fg-dim);
}
.process-row{display:flex;gap:36px;margin-top:40px;flex-wrap:wrap;}
.process-item{display:flex;flex-direction:column;gap:10px;}
.process-item i{width:20px;height:20px;color:var(--accent);}
.process-item h4{font-size:13px;color:var(--fg-dim);font-weight:400;}

/* passion */
.passion-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.passion-card{position:relative;height:52vh;min-height:380px;border-radius:4px;overflow:hidden;group:1;}
.passion-img{
  position:absolute;inset:0;background-size:cover;background-position:center;
  filter:grayscale(.3) brightness(.65);transform:scale(1.03);
  transition:transform .8s var(--ease),filter .8s var(--ease);
}
.passion-card:hover .passion-img{transform:scale(1.1);filter:grayscale(0) brightness(.8);}
.passion-card::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,7,10,0) 40%,rgba(7,7,10,.9) 100%);}
.passion-text{position:absolute;left:26px;right:26px;bottom:24px;z-index:2;}
.passion-text i{width:20px;height:20px;color:var(--accent);margin-bottom:10px;}
.passion-text h3{font-family:var(--ff-display);font-size:20px;}
.passion-text p{font-size:12.5px;color:var(--fg-dim);margin-top:6px;max-width:360px;}

/* contact */
.contact-inner{text-align:center;}
.contact-title{font-family:var(--ff-display);font-size:clamp(32px,5vw,58px);margin-top:10px;}
.contact-email{
  display:inline-block;margin-top:30px;font-family:var(--ff-display);font-size:clamp(18px,2.6vw,26px);
  color:var(--accent);border-bottom:1px solid transparent;transition:border-color .3s;
}
.contact-email:hover{border-color:var(--accent);}
.social-row{display:flex;gap:22px;justify-content:center;margin-top:36px;}
.social-row a{
  width:42px;height:42px;border:1px solid var(--line);border-radius:50%;
  display:flex;align-items:center;justify-content:center;transition:all .3s var(--ease);
}
.social-row a:hover{background:var(--fg);color:var(--bg);}
.social-row i{width:16px;height:16px;}
.footer-note{
  position:absolute;bottom:22px;left:0;right:0;text-align:center;
  font-size:11px;color:var(--fg-dim);display:flex;flex-direction:column;gap:6px;padding:0 24px;
}
.footer-credit{opacity:.55;}
.footer-credit b{color:var(--accent);font-weight:500;}

/* reveal animation base state */
.reveal{opacity:0;transform:translateY(24px);}

/* modal */
.modal{position:fixed;inset:0;z-index:2000;display:flex;align-items:center;justify-content:center;visibility:hidden;opacity:0;transition:opacity .4s var(--ease),visibility .4s var(--ease);}
.modal.open{visibility:visible;opacity:1;}
.modal-backdrop{position:absolute;inset:0;background:rgba(5,5,7,.88);backdrop-filter:blur(6px);}
.modal-box{
  position:relative;z-index:2;width:min(880px,88vw);max-height:84vh;overflow:auto;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;
  display:grid;grid-template-columns:1fr 1fr;
  transform:translateY(20px) scale(.98);transition:transform .45s var(--ease);
}
.modal.open .modal-box{transform:translateY(0) scale(1);}
.modal-img{background-size:cover;background-position:center;min-height:260px;}
.modal-content{padding:40px;}
.modal-num{font-family:var(--ff-display);color:var(--accent);font-size:12px;letter-spacing:.1em;}
.modal-content h3{font-family:var(--ff-display);font-size:26px;margin-top:10px;}
.modal-content p{color:var(--fg-dim);font-size:13.5px;margin-top:10px;line-height:1.8;}
.modal-content p#modalTag{color:var(--accent);font-size:12px;}
.modal-close{
  position:absolute;top:18px;right:18px;z-index:3;width:36px;height:36px;border-radius:50%;
  background:rgba(0,0,0,.4);display:flex;align-items:center;justify-content:center;
}
.modal-close i{width:16px;height:16px;}

/* responsive */
@media (max-width: 860px){
  .topbar{padding:20px 20px;}
  .dotnav{right:16px;}
  .dot span{display:none;}
  .panel-inner{padding:0 24px;}

  .panel{align-items:flex-start;overflow-y:auto;}
  .panel-inner{padding-top:96px;padding-bottom:28px;min-height:100%;}
  .hero-inner,.contact-inner{display:flex;flex-direction:column;justify-content:center;min-height:calc(100dvh - 124px);padding-top:0;}

  .section-head{margin-bottom:28px;}
  .about-inner{grid-template-columns:1fr;gap:32px;}
  .about-media{height:34vh;min-height:230px;}
  .about-img-chip{right:-4%;bottom:-6%;width:50%;height:38%;}
  .passion-grid{grid-template-columns:1fr;gap:20px;}
  .passion-card{height:30vh;min-height:220px;}
  .process-row{gap:24px;margin-top:28px;}
  .skill-list{margin-top:20px;}
  .about-text{margin-top:4px;}
  .work-card{flex:0 0 78vw;height:42vh;min-height:300px;}
  .works-inner .section-head{padding:0 24px;}
  .modal-box{grid-template-columns:1fr;}
  .modal-img{min-height:200px;}
  .hero-title{font-size:clamp(48px,16vw,96px);}
  .hero-sub{max-width:280px;font-size:13.5px;}
}