:root{
  --bg:#0a0b0d;
  --bg-alt:#111318;
  --card:#16181d;
  --line:#26292f;
  --text:#f2f2f0;
  --text-dim:#9a9ea6;
  --accent:#e2172b;
  --accent-dim:#7a0e18;
  --chrome:#c9ccd1;
  --radius:2px;
  --ff-head:"Oswald","Noto Sans JP",sans-serif;
  --ff-body:"Noto Sans JP",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--ff-body);
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 30px;font-family:var(--ff-head);font-weight:500;
  letter-spacing:.08em;font-size:.85rem;border-radius:var(--radius);
  border:1px solid transparent;transition:all .25s ease;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:#ff2138;transform:translateY(-2px);box-shadow:0 10px 30px -8px rgba(226,23,43,.6);}
.btn-outline{border-color:var(--chrome);color:var(--text);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}
.btn-line{background:#06C755;color:#fff;padding:10px 22px;font-size:.8rem;}
.btn-line:hover{background:#05b34c;}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  transition:background .3s ease, border-color .3s ease, padding .3s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{background:rgba(10,11,13,.92);backdrop-filter:blur(10px);border-color:var(--line);}
.header-inner{
  max-width:1280px;margin:0 auto;padding:20px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{font-family:var(--ff-head);font-weight:700;font-size:1.35rem;letter-spacing:.12em;}
.logo span{color:var(--accent);}
.nav-desktop{display:flex;gap:32px;flex:1;justify-content:center;}
.nav-desktop a{
  font-family:var(--ff-head);font-size:.8rem;letter-spacing:.12em;
  color:var(--text-dim);position:relative;padding:4px 0;
}
.nav-desktop a:hover{color:var(--text);}
.nav-desktop a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--accent);transition:width .25s ease;
}
.nav-desktop a:hover::after{width:100%;}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}
.nav-toggle span{width:24px;height:2px;background:var(--text);display:block;}
.nav-mobile{
  display:none;flex-direction:column;background:rgba(10,11,13,.98);
  border-top:1px solid var(--line);padding:12px 32px 24px;
}
.nav-mobile a{padding:12px 0;border-bottom:1px solid var(--line);font-family:var(--ff-head);letter-spacing:.08em;}
.nav-mobile.open{display:flex;}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
  overflow:hidden;padding:120px 24px 80px;
}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  filter:grayscale(.25) brightness(.55) contrast(1.1);
  transform:scale(1.08);
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,11,13,.75) 0%,rgba(10,11,13,.4) 40%,rgba(10,11,13,.95) 100%);
}
.hero-lines{
  position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.03) 0 1px,transparent 1px 120px);
}
.hero-content{position:relative;z-index:2;max-width:800px;}
.hero-kicker{
  font-family:var(--ff-head);letter-spacing:.35em;font-size:.75rem;
  color:var(--accent);margin-bottom:24px;text-transform:uppercase;
}
.hero-title{
  font-family:var(--ff-head);font-weight:700;
  font-size:clamp(2.6rem,7vw,5.2rem);line-height:1.15;letter-spacing:.01em;
  margin-bottom:24px;text-shadow:0 4px 40px rgba(0,0,0,.5);
}
.hero-sub{
  color:var(--text-dim);font-size:1.05rem;margin-bottom:40px;
  max-width:600px;margin-left:auto;margin-right:auto;
}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.hero-scroll{
  position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:10px;
  margin-top:56px;
}
.hero-scroll span{font-family:var(--ff-head);font-size:.65rem;letter-spacing:.3em;color:var(--text-dim);}
.scroll-line{width:1px;height:40px;background:linear-gradient(180deg,var(--accent),transparent);animation:scrollPulse 1.8s ease-in-out infinite;}
@keyframes scrollPulse{0%,100%{opacity:.3;}50%{opacity:1;}}

.hero-stats{
  position:relative;z-index:2;display:flex;gap:60px;margin-top:48px;
  padding-top:32px;border-top:1px solid rgba(255,255,255,.12);
  flex-wrap:wrap;justify-content:center;
}
.stat{display:flex;flex-direction:column;align-items:center;}
.stat-num{font-family:var(--ff-head);font-size:2rem;font-weight:700;color:var(--chrome);}
.stat-label{font-size:.72rem;color:var(--text-dim);letter-spacing:.08em;margin-top:4px;}

/* ---------- Marquee ---------- */
.marquee{
  background:var(--accent);color:#fff;padding:14px 0;overflow:hidden;
  white-space:nowrap;
}
.marquee-track{
  display:inline-flex;gap:24px;animation:marquee 22s linear infinite;
  font-family:var(--ff-head);font-size:.85rem;letter-spacing:.15em;
}
.marquee-track span{padding-right:24px;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ---------- Sections ---------- */
.section{max-width:1280px;margin:0 auto;padding:120px 32px;}
.section-head{max-width:640px;margin-bottom:56px;}
.eyebrow{
  font-family:var(--ff-head);color:var(--accent);letter-spacing:.3em;
  font-size:.75rem;margin-bottom:14px;text-transform:uppercase;
}
.section-head h2{
  font-family:var(--ff-head);font-size:clamp(1.8rem,4vw,2.6rem);
  font-weight:600;line-height:1.3;margin-bottom:16px;
}
.section-desc{color:var(--text-dim);}

/* ---------- Compare slider ---------- */
.compare{
  position:relative;width:100%;max-width:900px;margin:0 auto 16px;
  aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);cursor:ew-resize;user-select:none;
}
.compare-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.compare-clip{position:absolute;inset:0;width:55%;overflow:hidden;}
.compare-clip img{width:900px;max-width:none;height:100%;}
.compare-handle{
  position:absolute;top:0;bottom:0;left:55%;width:2px;background:#fff;
  transform:translateX(-1px);
}
.compare-handle-grip{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;background:var(--accent);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;box-shadow:0 4px 18px rgba(0,0,0,.4);
}
.compare-label{
  position:absolute;top:16px;z-index:3;font-family:var(--ff-head);
  font-size:.7rem;letter-spacing:.15em;background:rgba(0,0,0,.55);
  color:#fff;padding:6px 12px;border-radius:2px;
}
.label-before{left:16px;}
.label-after{right:16px;}
.compare-caption{text-align:center;color:var(--text-dim);font-size:.85rem;margin-bottom:56px;}

.custom-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.custom-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 28px;transition:border-color .25s ease, transform .25s ease;
}
.custom-card:hover{border-color:var(--accent);transform:translateY(-4px);}
.custom-card h3{font-family:var(--ff-head);font-size:1.15rem;margin-bottom:12px;letter-spacing:.02em;}
.custom-card p{color:var(--text-dim);font-size:.92rem;margin-bottom:18px;}
.tag{font-size:.75rem;color:var(--accent);font-family:var(--ff-head);letter-spacing:.05em;}

/* ---------- Service ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.service-card{
  background:var(--bg-alt);border:1px solid var(--line);padding:36px 28px;
  border-radius:var(--radius);position:relative;overflow:hidden;
}
.service-card.is-accent{background:linear-gradient(160deg,var(--accent-dim),var(--bg-alt) 65%);border-color:var(--accent);}
.service-num{font-family:var(--ff-head);font-size:2.4rem;color:var(--line);font-weight:700;margin-bottom:16px;}
.service-card.is-accent .service-num{color:rgba(255,255,255,.25);}
.service-card h3{font-family:var(--ff-head);margin-bottom:16px;font-size:1.1rem;letter-spacing:.03em;}
.service-card li{color:var(--text-dim);font-size:.92rem;padding:6px 0;border-top:1px solid var(--line);}
.service-card.is-accent li{border-top-color:rgba(255,255,255,.15);color:rgba(255,255,255,.85);}
.service-card li:first-child{border-top:none;}

/* ---------- Works ---------- */
.works-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;max-width:none;}
.works-updated{font-size:.78rem;margin-top:8px;}
.works-updated .live-dot{
  display:inline-block;width:7px;height:7px;border-radius:50%;background:#3ddc84;
  margin-right:6px;box-shadow:0 0 0 rgba(61,220,132,.6);animation:liveDot 2s infinite;
}
@keyframes liveDot{
  0%{box-shadow:0 0 0 0 rgba(61,220,132,.55);}
  70%{box-shadow:0 0 0 8px rgba(61,220,132,0);}
  100%{box-shadow:0 0 0 0 rgba(61,220,132,0);}
}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.works-item{position:relative;overflow:hidden;border-radius:var(--radius);aspect-ratio:4/3;background:var(--card);}
.works-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.works-item:hover img{transform:scale(1.08);}
.works-item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:20px;
  background:linear-gradient(0deg,rgba(0,0,0,.85),transparent);
  font-size:.85rem;
}
.works-item figcaption span{display:block;font-family:var(--ff-head);color:var(--accent);font-size:.7rem;letter-spacing:.1em;margin-bottom:4px;}
.works-item.is-link{cursor:pointer;}
.works-item.is-link:hover figcaption{background:linear-gradient(0deg,rgba(226,23,43,.85),transparent);}

/* ---------- Staff ---------- */
.staff-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.staff-grid-3{grid-template-columns:repeat(3,1fr);}
.staff-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;}
.staff-photo{
  width:88px;height:88px;border-radius:50%;object-fit:cover;object-position:center 20%;
  border:2px solid var(--accent);margin-bottom:18px;
}
.staff-photo-hirose{object-position:center 12%;}
.staff-card h3{font-family:var(--ff-head);font-size:1.05rem;margin-bottom:4px;}
.staff-role{color:var(--accent);font-size:.75rem;letter-spacing:.05em;margin-bottom:14px;}
.staff-quote{font-size:.85rem;color:var(--chrome);margin-bottom:12px;font-style:italic;}
.staff-bio{font-size:.82rem;color:var(--text-dim);}

/* ---------- Voice ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.voice-card{
  background:var(--bg-alt);border-left:2px solid var(--accent);border-radius:var(--radius);
  padding:28px;
}
.voice-card p{font-size:.9rem;color:var(--text-dim);margin-bottom:16px;}
.voice-card cite{font-family:var(--ff-head);font-size:.75rem;letter-spacing:.05em;font-style:normal;}

/* ---------- FAQ ---------- */
.faq-list{max-width:760px;}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0;}
.faq-item summary{
  font-family:var(--ff-head);cursor:pointer;list-style:none;font-size:1rem;
  display:flex;justify-content:space-between;align-items:center;letter-spacing:.02em;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--accent);font-size:1.3rem;transition:transform .25s ease;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{color:var(--text-dim);margin-top:14px;font-size:.92rem;}

/* ---------- Access ---------- */
.access-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:stretch;}
.access-info dt{font-family:var(--ff-head);color:var(--accent);font-size:.72rem;letter-spacing:.15em;margin-top:20px;}
.access-info dt:first-of-type{margin-top:28px;}
.access-info dd{color:var(--text-dim);margin-bottom:4px;}
.access-info .btn{margin-top:28px;}
.access-map{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);min-height:320px;}
.access-map iframe{width:100%;height:100%;min-height:320px;border:0;filter:grayscale(.4) invert(.92) contrast(.9);}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:48px 32px 24px;}
.footer-inner{
  max-width:1280px;margin:0 auto;display:flex;align-items:center;
  justify-content:space-between;flex-wrap:wrap;gap:24px;margin-bottom:24px;
}
.footer-inner nav{display:flex;gap:24px;flex-wrap:wrap;}
.footer-inner nav a{font-family:var(--ff-head);font-size:.78rem;letter-spacing:.08em;color:var(--text-dim);}
.copyright{text-align:center;color:var(--text-dim);font-size:.75rem;max-width:1280px;margin:0 auto;}

/* ---------- Floating LINE button ---------- */
.fab-line{
  position:fixed;right:24px;bottom:24px;z-index:900;
  background:#06C755;color:#fff;font-family:var(--ff-head);
  font-size:.75rem;letter-spacing:.05em;padding:14px 20px;border-radius:40px;
  box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.fab-line:hover{background:#05b34c;}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease, transform .7s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .staff-grid{grid-template-columns:repeat(2,1fr);}
  .access-grid{grid-template-columns:1fr;}
}
@media (max-width:860px){
  .nav-desktop,.header-inner .btn-line{display:none;}
  .nav-toggle{display:flex;}
  .custom-grid,.service-grid,.works-grid,.voice-grid{grid-template-columns:1fr;}
  .section{padding:80px 24px;}
  .br-pc{display:none;}
}
@media (min-width:861px){.br-mobile{display:none;}}
@media (max-width:560px){
  .staff-grid{grid-template-columns:1fr;}
  .hero-stats{gap:32px;}
}