:root {
  --color-bg: #030303; /* Deeper space black */
  --color-base: #080808;
  --color-text: #F5F5F0;
  --color-accent: #BD9E62;
  --color-futuristic: #00F2FF; /* Cyber cyan for micro-accents */
  --font-serif: "Shippori Mincho", serif;
  --font-sans: "Inter", "Noto Sans JP", sans-serif;
}

* { margin:0; padding:0; box-sizing:border-box; }
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-serif);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Futuristic Loader */
#loader {
  position: fixed; inset: 0; background: var(--color-bg); z-index: 9999;
  display: flex; align-items: center; justify-content: center;
}
.loader-line { width: 0%; height: 1px; background: var(--color-accent); }

/* GSAP Smooth Smooth Scroll Placeholder */
#smooth-wrapper { width: 100%; position: relative; }
#smooth-content { width: 100%; }

/* Glassmorphism Header */
#h {
  position: fixed; top: 0; left: 0; width: 100%; padding: 30px 80px;
  z-index: 5000; display: flex; justify-content: space-between; align-items: center;
  mix-blend-mode: difference;
}
.h-logo-link:hover {
  opacity: 0.6;
  filter: drop-shadow(0 0 10px rgba(255,255,255,0.2));
}

/* Global Container */
.l-container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 80px;
}

@media (max-width: 768px) {
  #h { padding: 20px 15px; }
  .l-container { padding: 0px; }
}

/* Futuristic Nav Indicators */
.l-nav { position: fixed; right:40px; top: 50%; transform: translateY(-50%); z-index: 5000; }
.nav-line {
  height: 2px; width: 30px; background: rgba(255,255,255,0.1); margin: 30px 0;
  cursor: pointer; position: relative; transition: 0.4s;
}
.nav-line::before {
  content: ''; position: absolute; left: 0; top: 0; height: 100%; width: 0%;
  background: var(--color-accent); transition: 0.4s;
}
.nav-line.current { width: 60px; }
.nav-line.current::before { width: 100%; }

/* Sections */
section { min-height: 100vh; position: relative; overflow: hidden; display: flex; align-items: center; }

/* Grid Decoration */
.bg-grid {
  position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px), 
                    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 50px 50px; z-index: -1;
}

/* Floating Background Text */
.hero-bg {
  position: absolute; inset: 0; overflow: hidden; z-index: 0;
}
.float-type {
  position: absolute;
  left: 5vw;
  top: 15vh;
  font-family: var(--font-serif);
  font-size: 15vh;
  font-weight: 700;
  line-height: 1;
  color: rgba(255, 255, 255, 0.03);
  white-space: nowrap;
  pointer-events: none;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Cinematic Frames with Matrix Reveal */
.l-frame {
  position: relative; width: 100%; height: 80vh; overflow: hidden;
  background: #000;
}
.l-frame img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0; /* JS will trigger */
  transform: scale(1.5) rotate(5deg);
}

/* Split Typography */
.js-split { overflow: hidden; }
.split-line { display: block; overflow: hidden; }
.split-char { display: inline-block; transform: translateY(110%) rotate(10deg); opacity: 0; filter: blur(10px); }

/* Futuristic Cursor */
.mCursor {
  position: fixed; top:0; left:0; width: 40px; height: 40px; border: 1px solid var(--color-accent);
  border-radius: 50%; pointer-events: none; z-index: 10000; transition: transform 0.1s, width 0.3s, height 0.3s;
}
.mCursor_dot {
  position: absolute; top: 50%; left: 50%; width: 4px; height: 4px;
  background: var(--color-accent); border-radius: 50%; transform: translate(-50%, -50%);
}

.btn-submit:hover { background: var(--color-accent); color: #000; box-shadow: 0 0 30px rgba(189, 158, 98, 0.4); }

/* Contact CTA Styling */
.contact-cta {
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  padding: 80px 40px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(20px);
  text-align: center;
}
.contact-cta-text {
  font-size: 1.2rem;
  line-height: 2.2;
  margin-bottom: 50px;
  opacity: 0.8;
  letter-spacing: 0.05em;
}
.btn-cta {
  display: inline-block;
  padding: 30px 60px;
  background: transparent;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  text-decoration: none;
  font-family: var(--font-sans);
  letter-spacing: 0.3em;
  font-weight: 700;
  transition: 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.btn-cta:hover {
  background: var(--color-accent);
  color: #000;
  box-shadow: 0 0 40px rgba(189, 158, 98, 0.6);
  transform: translateY(-5px);
}

/* Before/After Comparison Slider */
.ba-component {
  position: relative; width: 100%; height: 60vh; overflow: hidden;
  background: #000; border: 1px solid rgba(255,255,255,0.05);
}
.ba-after {
  position: absolute; inset: 0; width: 100%; height: 100%;
  background-size: cover; background-position: center;
}
.ba-before {
  position: absolute; inset: 0; width: 50%; height: 100%;
  background-size: cover; background-position: center;
  border-right: 1px solid var(--color-futuristic);
  z-index: 2;
}
.ba-handle {
  position: absolute; top: 0; bottom: 0; left: 50%; width: 2px;
  background: var(--color-futuristic); z-index: 3;
  transform: translateX(-50%); pointer-events: none;
}
.ba-handle::after {
  content: 'DRAG'; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%); padding: 10px 20px;
  background: var(--color-bg); border: 1px solid var(--color-futuristic);
  color: var(--color-futuristic); font-family: var(--font-sans);
  font-size: 0.6rem; letter-spacing: 0.3em; backdrop-filter: blur(10px);
}
.ba-label {
  position: absolute; bottom: 20px; padding: 5px 15px;
  font-family: var(--font-sans); font-size: 0.7rem; letter-spacing: 0.2em;
  background: rgba(0,0,0,0.5); color: #fff; z-index: 4;
}
.ba-label.before { left: 20px; border-left: 2px solid var(--color-accent); }
.ba-label.after { right: 20px; border-right: 2px solid var(--color-futuristic); }

/* Shared Layout Classes */
.l-grid-2 { display:grid; grid-template-columns: 1.2fr 1fr; gap:10vw; align-items:center; width: 100%; }
.l-grid-2-top { display:grid; grid-template-columns: 1fr 1fr; gap:10vw; align-items: flex-start; width: 100%; }
.l-grid-tech { display:grid; grid-template-columns: 1fr 1.5fr; gap:8vw; align-items:flex-start; }

.section-title { font-size:4rem; margin-bottom:3rem; }
.section-title-large { font-size:6vw; }
.section-desc { line-height:2.6; opacity:0.7; font-size:1.1rem; max-width:500px; }
.section-header-right { text-align:right; margin-bottom:10vh; }
.title-with-logo { display:flex; justify-content:flex-end; align-items:center; gap:30px; }
.inline-logo { height:60px; filter:invert(1) brightness(2); }

.tech-content { padding-top:10vh; }
.section-desc-tech { font-size:1.4rem; line-height:2.2; margin-bottom:5rem; }
.stats-row { display:flex; gap:5vw; }
.stat-num { font-size:4rem; font-family:var(--font-sans); color:var(--color-accent); }
.stat-label { font-size:0.6rem; letter-spacing:0.2em; opacity:0.4; }

.mCard-wrap { display:flex; flex-direction:column; gap:4rem; }
.mCard-desc { font-size:0.9rem; opacity:0.5; margin-top:1rem; }
.border-accent { border-top:1px solid var(--color-accent); padding-top:2rem; }
.border-white { border-top:1px solid #fff; padding-top:2rem; }
.muted { opacity: 0.25; }

/* Responsive Media Queries */
@media (max-width: 1024px) {
  #h { padding: 20px; }
  .l-nav { display: none; } /* Hide side nav on small screens */
  .mCursor { display: none !important; } /* Standard touch interaction */
  
  section { padding: 10vh 5vw !important; }
  
  .section-title { font-size: 8vw !important; }
  .section-title-large { font-size: 10vw !important; }
}

@media (max-width: 768px) {
  /* Layout to Stack */
  .l-grid-2, .l-grid-2-top, .l-grid-tech {
    grid-template-columns: 1fr !important;
    gap: 15vh !important;
  }

  .section-title { font-size: 10vw !important; margin-bottom: 2rem !important; }
  .section-desc { font-size: 1rem !important; line-height: 2 !important; max-width: 100% !important; }
  
  .section-header-right { text-align: left !important; }
  .title-with-logo { justify-content: flex-start !important; flex-wrap: wrap; gap: 15px !important; }
  .inline-logo { height: 30px !important; }

  .tech-content { padding-top: 0 !important; }
  .section-desc-tech { font-size: 1.1rem !important; margin-bottom: 3rem !important; line-height: 1.8 !important; }
  .stats-row { gap: 10vw !important; }
  .stat-num { font-size: 3rem !important; }

  .mCard-wrap { gap: 3rem !important; }

  /* Hero Section Mobile */
  #hero > div {
    grid-template-columns: 1fr !important;
    padding-top: 15vh;
  }
  #hero .l-frame { height: 45vh !important; }
  #hero .hero-bg { -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%); mask-image: linear-gradient(to bottom, black 60%, transparent 100%); }
  
  .hero-text-wrap {
    padding: 10vh 5vw !important;
    align-items: center !important;
    text-align: center !important;
  }
  .hero-text-wrap img[src*="air_kanna_logo_v"] { width: 65vw !important; max-width: 280px !important; margin-bottom: 40px !important; }
  .hero-text-wrap .reveal-logo { width: 85% !important; margin-bottom: 30px !important; }
  .hero-text-wrap p { font-size: 1.1rem !important; }

  /* Archive & Media Grids */
  #gallery > div > div, 
  #media > div > div {
    grid-template-columns: 1fr !important;
    gap: 40px !important;
  }
  
  .ba-component { height: 40vh !important; }
  
  /* Company Table */
  #company > div > div {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
    margin-bottom: 30px;
  }
  
  /* Form Styling */
  .contact-form { padding: 30px; }
  .radio-group { gap: 15px; }
}

/* Video Gallery Styling */
.mVideo-card {
  display: block;
  text-decoration: none;
  color: inherit;
  width: 100%;
  max-width: 500px;
  transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.mVideo-card:hover { transform: translateY(-10px); }

.mVideo-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
}
.mVideo-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.4s;
}
.mVideo-card:hover .mVideo-thumb img {
  transform: scale(1.05);
  opacity: 1;
}

.mVideo-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(189, 158, 98, 0.8); /* Accent color */
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: 0.4s;
  z-index: 2;
}
.mVideo-play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent #fff;
  margin-left: 5px;
}
.mVideo-card:hover .mVideo-play-btn {
  background: var(--color-accent);
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 0 30px rgba(189, 158, 98, 0.5);
}

.mVideo-info {
  margin-top: 20px;
  text-align: left;
}
.mVideo-title {
  font-size: 1.1rem;
  color: var(--color-accent);
  font-family: var(--font-serif);
}
.mVideo-desc {
  font-size: 0.8rem;
  opacity: 0.5;
  margin-top: 10px;
}

@media (max-width: 480px) {
  .chapter-id { font-size: 0.6rem; }
  h2.js-split { font-size: 12vw !important; }
  p { font-size: 0.9rem !important; }
  .btn-round { width: 100%; padding: 30px !important; }
}