:root{
  --bg:        #080808;
  --bg-raise:  #101010;
  --fg:        #f4f2ee;
  --muted:     #8d8b86;
  --dim:       #56534e;
  --accent:    #ee7800;
  --line:      rgba(244,242,238,.14);
 
  --font-jp:   "Noto Sans JP", system-ui, sans-serif;
  --font-min:  "Zen Old Mincho", "Noto Serif JP", serif;
  --font-en:   "Inter", system-ui, sans-serif;
 
  --pad:       clamp(20px, 6vw, 96px);
  --gap-sec:   clamp(96px, 18vw, 220px);
}
 
*,*::before,*::after{ box-sizing:border-box; }
 
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
 
body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font-jp);
  font-weight:400;
  line-height:1.85;
  letter-spacing:.04em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
 
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
 
::selection{ background:var(--accent); color:#000; }
 
:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:4px;
}
 
/* ===================================================================
   Shared parts
   =================================================================== */
.wrap{
  width:100%;
  max-width:1360px;
  margin-inline:auto;
  padding-inline:var(--pad);
}
 
.eyebrow{
  font-family:var(--font-en);
  font-size:11px;
  font-weight:500;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--accent);
  display:flex;
  align-items:center;
  gap:14px;
  margin:0 0 clamp(32px,6vw,64px);
}
.eyebrow::after{
  content:"";
  flex:1;
  height:1px;
  background:var(--line);
}
 
.section{ padding-block:var(--gap-sec); }
 
/* スクロール連動フェードイン */
.reveal{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1);
}
.reveal.is-in{ opacity:1; transform:none; }
 
/* ===================================================================
   Header
   =================================================================== */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:100;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px var(--pad);
  transition:background .4s ease, border-color .4s ease, backdrop-filter .4s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(8,8,8,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
 
.brand{
  font-weight:900;
  font-size:15px;
  letter-spacing:.22em;
  display:flex;
  align-items:baseline;
  gap:10px;
}
.brand small{
  font-family:var(--font-en);
  font-size:9px;
  font-weight:500;
  letter-spacing:.24em;
  color:var(--dim);
}
 
.site-nav{
  display:flex;
  gap:clamp(14px,3vw,32px);
  font-family:var(--font-en);
  font-size:10.5px;
  font-weight:500;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--muted);
}
.site-nav a{ position:relative; padding-block:4px; transition:color .3s ease; }
.site-nav a::after{
  content:"";
  position:absolute;
  left:0; bottom:0;
  width:100%; height:1px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .4s cubic-bezier(.16,1,.3,1);
}
.site-nav a:hover{ color:var(--fg); }
.site-nav a:hover::after{ transform:scaleX(1); }
 
/* ===================================================================
   Hero
   =================================================================== */
.hero{
  position:relative;
  min-height:100svh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:120px var(--pad) 88px;
  overflow:hidden;
}
.hero::before{ /* 差し色のかすかな光 */
  content:"";
  position:absolute;
  top:22%; left:50%;
  width:min(120vw,1100px);
  aspect-ratio:1;
  transform:translate(-50%,-40%);
  background:radial-gradient(circle, rgba(238,120,0,.16), transparent 62%);
  pointer-events:none;
}
 
.hero-inner{ position:relative; width:100%; max-width:1360px; margin-inline:auto; }
 
.hero-label{
  font-family:var(--font-en);
  font-size:10.5px;
  font-weight:500;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 clamp(24px,5vw,44px);
  padding-left:18px;
  border-left:2px solid var(--accent);
  line-height:1.9;
}
.hero-label span{ display:block; color:var(--dim); }
 
/* 署名要素：ずれて重なる「多視展」＝ひとつの対象を複数の視点から見る */
.title{
  position:relative;
  margin:0;
  font-weight:900;
  font-size:clamp(76px,23vw,300px);
  line-height:.86;
  letter-spacing:.02em;
  isolation:isolate;
}
.title .layer{
  display:block;
  transition:transform .8s cubic-bezier(.16,1,.3,1);
  will-change:transform;
}
.title .layer.ghost{
  position:absolute;
  inset:0;
  pointer-events:none;
  user-select:none;
}
.title .g1{ color:transparent; -webkit-text-stroke:1px rgba(244,242,238,.28); text-stroke:1px rgba(244,242,238,.28); }
.title .g2{ color:var(--accent); opacity:.5; mix-blend-mode:screen; }
.title .main{ position:relative; z-index:2; color:var(--fg); }
 
.title-en{
  font-family:var(--font-en);
  font-size:clamp(11px,2.4vw,15px);
  font-weight:400;
  letter-spacing:.62em;
  text-transform:uppercase;
  color:var(--muted);
  margin:clamp(20px,4vw,34px) 0 0;
  padding-left:.3em;
}
 
.hero-meta{
  margin-top:clamp(48px,9vw,96px);
  display:grid;
  gap:22px;
  border-top:1px solid var(--line);
  padding-top:26px;
}
.hero-meta dl{ margin:0; display:grid; gap:6px; }
.hero-meta dt{
  font-family:var(--font-en);
  font-size:10px;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
}
.hero-meta dd{
  margin:0;
  font-size:clamp(14px,3.4vw,17px);
  font-weight:500;
  line-height:1.6;
}
.hero-meta dd small{ display:block; font-size:12px; font-weight:400; color:var(--muted); letter-spacing:.06em; margin-top:4px; }
 
@media (min-width:760px){
  .hero-meta{ grid-template-columns:repeat(3,minmax(0,1fr)); gap:32px; }
}
 
/* ===================================================================
   Concept
   =================================================================== */
.concept{ border-top:1px solid var(--line); }
.concept-body{
  font-family:var(--font-min);
  font-weight:400;
  font-size:clamp(19px,4.6vw,38px);
  line-height:2.05;
  letter-spacing:.04em;
  max-width:22em;
  margin:0;
}
.concept-body p{ margin:0 0 1.2em; }
.concept-body p:last-child{ margin-bottom:0; }
.concept-body em{
  font-style:normal;
  color:var(--accent);
}
.concept-note{
  margin-top:clamp(44px,8vw,80px);
  max-width:34em;
  font-size:13.5px;
  line-height:2.1;
  color:var(--muted);
  padding-left:18px;
  border-left:1px solid var(--line);
}
.concept-note p{ margin:0 0 1.4em; }
.concept-note p:last-child{ margin-bottom:0; }
 
/* ===================================================================
   Works
   =================================================================== */
.works{ border-top:1px solid var(--line); }
 
.works-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  margin-bottom:clamp(36px,6vw,56px);
}
.works-head h2{
  margin:0;
  font-size:clamp(28px,7vw,58px);
  font-weight:900;
  letter-spacing:.04em;
  line-height:1.2;
}
.works-count{
  font-family:var(--font-en);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--muted);
}
 
.works-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(28px,5vw,44px) clamp(16px,3vw,32px);
  list-style:none;
  margin:0; padding:0;
}
@media (min-width:600px){ .works-grid{ grid-template-columns:repeat(2,1fr); } }
@media (min-width:1024px){ .works-grid{ grid-template-columns:repeat(3,1fr); } }
 
.work{ position:relative; }
.work-media{
  position:relative;
  aspect-ratio:4/3;
  background:var(--bg-raise);
  border:1px solid var(--line);
  overflow:hidden;
}
.work-media img{
  width:100%; height:100%;
  object-fit:cover;
  filter:grayscale(1) contrast(1.05);
  transition:filter .6s ease, transform .8s cubic-bezier(.16,1,.3,1);
}
.work:hover .work-media img{ filter:none; transform:scale(1.03); }
 
/* 画像未設置時に表示されるプレースホルダー（画像が読み込めたらJSで隠します） */
.work-ph{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-family:var(--font-en);
  font-size:10px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--dim);
  background:
    repeating-linear-gradient(-45deg, rgba(244,242,238,.03) 0 1px, transparent 1px 9px),
    var(--bg-raise);
}
.work-ph b{ font-size:22px; font-weight:600; color:rgba(244,242,238,.18); letter-spacing:.1em; }
 
.work-index{
  position:absolute;
  top:10px; left:10px;
  z-index:2;
  font-family:var(--font-en);
  font-size:10px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--accent);
  background:rgba(8,8,8,.7);
  padding:3px 8px;
}
 
.work-body{ padding-top:16px; }
.work-title{
  margin:0;
  font-size:16px;
  font-weight:500;
  letter-spacing:.05em;
  line-height:1.6;
}
.work-artist{
  margin:6px 0 0;
  font-size:12.5px;
  color:var(--muted);
  letter-spacing:.08em;
}
.work-tag{
  display:inline-block;
  margin-top:12px;
  font-family:var(--font-en);
  font-size:9.5px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--dim);
  border:1px solid var(--line);
  padding:3px 8px;
}
 
/* ===================================================================
   Access
   =================================================================== */
.access{ border-top:1px solid var(--line); }
.access-grid{ display:grid; gap:clamp(40px,7vw,72px); }
@media (min-width:900px){
  .access-grid{ grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr); align-items:start; }
}
 
.info-list{ margin:0; }
.info-list div{
  display:grid;
  gap:6px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.info-list div:first-child{ border-top:1px solid var(--line); }
.info-list dt{
  font-family:var(--font-en);
  font-size:10px;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
}
.info-list dd{ margin:0; font-size:15px; line-height:1.75; }
.info-list dd small{ display:block; font-size:12.5px; color:var(--muted); margin-top:5px; }
 
.map{
  position:relative;
  aspect-ratio:4/3;
  border:1px solid var(--line);
  overflow:hidden;
  background:var(--bg-raise);
}
.map iframe{
  width:100%; height:100%;
  border:0;
  filter:grayscale(1) invert(.92) contrast(.85);
}
.map-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  font-family:var(--font-en);
  font-size:10.5px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
  transition:color .3s ease;
}
.map-link:hover{ color:var(--accent); }

.reservation-link{
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:4px;
}
.reservation-link:hover{ color:var(--accent); }

.reservation-cta{
  position:fixed;
  right:clamp(14px,3vw,36px);
  bottom:max(14px,env(safe-area-inset-bottom));
  z-index:200;
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 18px;
  border:1px solid var(--accent);
  background:var(--accent);
  color:#080808;
  font-size:clamp(13px,3.6vw,16px);
  font-weight:900;
  letter-spacing:.08em;
  line-height:1.2;
  transition:transform .3s cubic-bezier(.16,1,.3,1),background-color .3s ease,color .3s ease;
}
.reservation-cta::after{
  content:"↗";
  font-family:var(--font-en);
  font-size:1.1em;
  font-weight:400;
}
.reservation-cta:hover{
  transform:translateY(-4px);
  background:var(--fg);
  color:var(--bg);
}

@media (min-width:760px){
  .reservation-cta{ padding:17px 24px; }
}
 
/* ===================================================================
   Footer / SNS
   =================================================================== */
.site-footer{
  border-top:1px solid var(--line);
  padding-block:clamp(64px,12vw,120px) 40px;
}
.footer-title{
  margin:0 0 clamp(32px,6vw,56px);
  font-size:clamp(30px,9vw,86px);
  font-weight:900;
  letter-spacing:.06em;
  line-height:1;
}
.footer-title span{ color:var(--accent); }
 
.sns{
  list-style:none;
  margin:0 0 clamp(48px,8vw,80px);
  padding:0;
  display:grid;
  border-top:1px solid var(--line);
}
.sns li{ border-bottom:1px solid var(--line); }
.sns a,
.sns .soon{
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:12px;
  padding:22px 4px;
  font-family:var(--font-en);
  font-size:clamp(16px,4.6vw,26px);
  font-weight:400;
  letter-spacing:.14em;
  text-transform:none;
  transition:color .35s ease, padding-left .45s cubic-bezier(.16,1,.3,1);
}
.sns a:hover{ color:var(--accent); padding-left:16px; }
.sns-icon{
  width:clamp(22px,5vw,28px);
  height:clamp(22px,5vw,28px);
  flex:0 0 auto;
  color:var(--fg);
  fill:none;
  stroke:currentColor;
  stroke-width:1.5;
  stroke-linecap:round;
  stroke-linejoin:round;
}
.sns-icon--fill{
  fill:currentColor;
  stroke:none;
}
.sns .soon{ color:var(--dim); cursor:default; }
.sns .state{
  font-family:var(--font-en);
  font-size:10px;
  letter-spacing:.2em;
  color:var(--muted);
}
.sns a .state{ color:var(--accent); }
 
.colophon{
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  justify-content:space-between;
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--dim);
}
.colophon p{ margin:0; }
 
/* ===================================================================
   Motion preference
   =================================================================== */
@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{ opacity:1; transform:none; }
}