/* ========================================
   WITH ENTERTAINMENT — Global Styles
======================================== */
:root {
  --blue:        #4a9fd4;
  --blue-lt:     #6bb8e8;
  --blue-dk:     #2d7ab5;
  --blue-glow:   rgba(74,159,212,0.55);
  --bg:          #060b16;
  --bg2:         #0a1020;
  --bg3:         #0e1628;
  --surface:     #111c30;
  --surface2:    #162038;
  --text:        #dce8f5;
  --text-m:      #7a91b0;
  --border:      rgba(74,159,212,0.18);
  --font:        'Noto Sans JP','Helvetica Neue',Arial,sans-serif;
  --en:          'Montserrat','Helvetica Neue',Arial,sans-serif;
  --ease:        cubic-bezier(.4,0,.2,1);
  --t:           0.3s;
  --r:           10px;
  /* aliases for inner-page inline styles */
  --color-primary:   var(--blue);
  --color-bg-2:      var(--bg2);
  --color-surface:   var(--surface);
  --color-border:    var(--border);
  --color-text:      var(--text);
  --color-text-muted:var(--text-m);
  --radius:          var(--r);
  --font-en:         var(--en);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--blue-lt)}
ul{list-style:none}

/* ──────────────────────────────────────
   SCROLLBAR
────────────────────────────────────── */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--blue-dk);border-radius:3px}

/* ──────────────────────────────────────
   HEADER
────────────────────────────────────── */
#header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(6,11,22,.82);
  backdrop-filter:blur(16px) saturate(1.6);
  border-bottom:1px solid var(--border);
  transition:background var(--t) var(--ease);
}
.header-inner{
  max-width:1280px;margin:0 auto;padding:0 48px;
  height:68px;display:flex;align-items:center;justify-content:space-between;
}
.logo a{display:flex;align-items:center;gap:10px;color:var(--text)}
.logo img,.logo svg{height:34px;width:auto}
nav ul{display:flex;align-items:center;gap:40px}
nav a{
  font-family:var(--en);font-size:11.5px;font-weight:700;
  letter-spacing:.12em;text-transform:uppercase;color:var(--text-m);
  position:relative;padding-bottom:4px;
}
nav a::after{
  content:'';position:absolute;bottom:0;left:0;
  width:0;height:1.5px;
  background:linear-gradient(90deg,var(--blue),var(--blue-lt));
  transition:width var(--t) var(--ease);
}
nav a:hover,nav a.active{color:var(--text)}
nav a:hover::after,nav a.active::after{width:100%}

/* hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;
  padding:8px;background:none;border:none}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);
  transition:var(--t) var(--ease)}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{
  display:none;position:fixed;top:68px;left:0;right:0;bottom:0;
  background:rgba(6,11,22,.98);backdrop-filter:blur(12px);
  z-index:999;flex-direction:column;align-items:center;justify-content:center;gap:40px;
}
.mobile-nav.open{display:flex}
.mobile-nav a{
  font-family:var(--en);font-size:22px;font-weight:800;
  letter-spacing:.12em;color:var(--text);
}
.mobile-nav a:hover{color:var(--blue)}

/* ──────────────────────────────────────
   HERO
────────────────────────────────────── */
.hero{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;background:var(--bg);
}
#heroCanvas{
  position:absolute;inset:0;width:100%;height:100%;z-index:0;
  pointer-events:none;
}
/* glowing orbs */
.hero-orb{
  position:absolute;border-radius:50%;filter:blur(80px);pointer-events:none;z-index:1;
}
.hero-orb-1{
  width:560px;height:560px;
  top:-120px;right:-80px;
  background:radial-gradient(circle,rgba(74,159,212,.14) 0%,transparent 70%);
  animation:orbFloat1 8s ease-in-out infinite;
}
.hero-orb-2{
  width:400px;height:400px;
  bottom:-60px;left:-60px;
  background:radial-gradient(circle,rgba(45,122,181,.12) 0%,transparent 70%);
  animation:orbFloat2 10s ease-in-out infinite;
}
@keyframes orbFloat1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-30px,40px) scale(1.05)}}
@keyframes orbFloat2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(20px,-30px) scale(1.08)}}

.hero-content{
  position:relative;z-index:2;text-align:center;
  padding:0 24px;max-width:960px;
  animation:heroIn .9s var(--ease) both;
}
@keyframes heroIn{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}

.hero-logo{width:420px;margin:0 auto;filter:drop-shadow(0 0 24px rgba(74,159,212,.35))}

/* line decoration around logo */
.hero-logo-wrap{position:relative;display:inline-block;margin-bottom:44px}
.hero-logo-wrap::before,.hero-logo-wrap::after{
  content:'';position:absolute;top:50%;width:80px;height:1px;
  background:linear-gradient(90deg,transparent,var(--blue));
}
.hero-logo-wrap::before{right:calc(100% + 20px);transform:translateY(-50%)}
.hero-logo-wrap::after{
  left:calc(100% + 20px);transform:translateY(-50%);
  background:linear-gradient(90deg,var(--blue),transparent);
}

.hero-eyebrow{
  font-family:var(--en);font-size:11px;font-weight:700;
  letter-spacing:.3em;text-transform:uppercase;color:var(--blue);
  margin-bottom:20px;
  display:flex;align-items:center;justify-content:center;gap:12px;
}
.hero-eyebrow::before,.hero-eyebrow::after{
  content:'';display:block;width:32px;height:1px;background:var(--blue);opacity:.6;
}

.hero-catch{
  font-family:var(--en);font-size:clamp(44px,6.5vw,80px);
  font-weight:900;letter-spacing:.03em;line-height:1.05;
  color:var(--text);margin-bottom:28px;
}
.hero-catch .hl{
  background:linear-gradient(110deg,var(--blue) 0%,var(--blue-lt) 50%,#a8d8f0 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  filter:drop-shadow(0 0 18px rgba(74,159,212,.4));
}
.hero-sub{
  font-size:clamp(14px,1.8vw,17px);color:var(--text-m);
  max-width:560px;margin:0 auto 52px;line-height:2;
}
.hero-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ── BUTTONS ── */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 30px;border-radius:var(--r);cursor:pointer;border:none;
  font-family:var(--en);font-size:12.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;
  transition:all var(--t) var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--blue-dk));
  color:#fff;
  box-shadow:0 0 0 0 var(--blue-glow),0 4px 20px rgba(74,159,212,.3);
}
.btn-primary:hover{
  color:#fff;
  background:linear-gradient(135deg,var(--blue-lt),var(--blue));
  transform:translateY(-2px);
  box-shadow:0 0 28px rgba(74,159,212,.5),0 8px 32px rgba(74,159,212,.3);
}
.btn-outline{
  background:transparent;color:var(--blue);
  border:1.5px solid var(--blue);
  box-shadow:inset 0 0 0 0 var(--blue);
}
.btn-outline:hover{
  color:#fff;
  background:var(--blue);
  transform:translateY(-2px);
  box-shadow:0 0 24px rgba(74,159,212,.4);
}

.scroll-indicator{
  position:absolute;bottom:36px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:6px;
  color:var(--text-m);font-family:var(--en);font-size:9px;
  letter-spacing:.2em;z-index:2;
  animation:scrollBounce 2.4s ease-in-out infinite;
}
.scroll-indicator::after{
  content:'';display:block;width:1px;height:44px;
  background:linear-gradient(to bottom,var(--blue),transparent);
}
@keyframes scrollBounce{
  0%,100%{transform:translateX(-50%) translateY(0);opacity:.8}
  50%{transform:translateX(-50%) translateY(8px);opacity:1}
}

/* ──────────────────────────────────────
   SECTION COMMON
────────────────────────────────────── */
.section{padding:108px 0;position:relative}
.section-inner{max-width:1280px;margin:0 auto;padding:0 48px}
.section-header{text-align:center;margin-bottom:72px}
.section-label{
  font-family:var(--en);font-size:10.5px;font-weight:700;
  letter-spacing:.28em;text-transform:uppercase;color:var(--blue);
  margin-bottom:14px;display:flex;align-items:center;justify-content:center;gap:12px;
}
.section-label::before,.section-label::after{
  content:'';display:block;width:24px;height:1px;background:var(--blue);opacity:.7;
}
.section-title{
  font-size:clamp(30px,4vw,50px);font-weight:800;
  line-height:1.15;color:var(--text);
}
.section-desc{margin-top:18px;color:var(--text-m);font-size:15px;
  max-width:580px;margin-left:auto;margin-right:auto;line-height:1.9}
.divider{
  width:44px;height:2px;margin:18px auto 0;
  background:linear-gradient(90deg,var(--blue),var(--blue-lt));
  border-radius:2px;
}

/* ──────────────────────────────────────
   SECTION DECORATION LINES
────────────────────────────────────── */
.deco-line{
  position:absolute;pointer-events:none;overflow:hidden;
}
/* diagonal corner accent */
.section::before{
  content:'';
  position:absolute;top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent 0%,var(--border) 40%,var(--border) 60%,transparent 100%);
}

/* ──────────────────────────────────────
   SERVICE
────────────────────────────────────── */
.service-bg{background:var(--bg2)}
.service-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:24px;
}
.service-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:14px;padding:40px 32px;
  position:relative;overflow:hidden;
  transition:transform var(--t) var(--ease),
             box-shadow var(--t) var(--ease),
             border-color var(--t) var(--ease);
}
/* animated top bar */
.service-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--blue),var(--blue-lt),var(--blue));
  background-size:200% 100%;
  transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease);
}
/* corner glow */
.service-card::after{
  content:'';position:absolute;top:-40px;right:-40px;
  width:160px;height:160px;border-radius:50%;
  background:radial-gradient(circle,rgba(74,159,212,.08) 0%,transparent 70%);
  opacity:0;transition:opacity var(--t) var(--ease);
}
.service-card:hover{
  transform:translateY(-6px);
  border-color:rgba(74,159,212,.5);
  box-shadow:0 0 40px rgba(74,159,212,.15),0 16px 48px rgba(0,0,0,.4);
}
.service-card:hover::before{transform:scaleX(1)}
.service-card:hover::after{opacity:1}

.service-icon{
  width:58px;height:58px;
  background:linear-gradient(135deg,rgba(74,159,212,.15),rgba(74,159,212,.05));
  border:1px solid rgba(74,159,212,.25);
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:24px;
  box-shadow:0 0 20px rgba(74,159,212,.1);
}
.service-icon svg{width:28px;height:28px}
.service-card h3{font-size:18px;font-weight:800;margin-bottom:12px;color:var(--text)}
.service-card p{font-size:14px;color:var(--text-m);line-height:1.85}

/* number badge */
.service-num{
  position:absolute;top:24px;right:24px;
  font-family:var(--en);font-size:42px;font-weight:900;
  color:rgba(74,159,212,.06);line-height:1;
  pointer-events:none;user-select:none;
}

/* ──────────────────────────────────────
   WORKS
────────────────────────────────────── */
.works-bg{background:var(--bg3)}
.works-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(340px,1fr));
  gap:24px;
}
.work-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:14px;overflow:hidden;
  transition:transform var(--t) var(--ease),
             box-shadow var(--t) var(--ease),
             border-color var(--t) var(--ease);
}
.work-card:hover{
  transform:translateY(-6px);
  border-color:rgba(74,159,212,.4);
  box-shadow:0 0 40px rgba(74,159,212,.12),0 16px 48px rgba(0,0,0,.4);
}
.work-thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;
  background:var(--bg);
}
.work-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .55s var(--ease);
}
.work-card:hover .work-thumb img{transform:scale(1.07)}

/* gradient overlay on thumb */
.work-thumb::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(6,11,22,.7) 0%,transparent 50%);
  pointer-events:none;
}
.work-thumb .play-btn{
  position:absolute;inset:0;display:flex;
  align-items:center;justify-content:center;z-index:2;
  opacity:0;transition:opacity var(--t) var(--ease);
}
.work-card:hover .play-btn{opacity:1}
.play-ring{
  width:60px;height:60px;border-radius:50%;
  border:2px solid rgba(255,255,255,.8);
  display:flex;align-items:center;justify-content:center;
  background:rgba(74,159,212,.25);
  backdrop-filter:blur(4px);
  transition:all var(--t) var(--ease);
}
.work-card:hover .play-ring{
  border-color:#fff;
  background:rgba(74,159,212,.45);
  transform:scale(1.08);
  box-shadow:0 0 24px rgba(74,159,212,.5);
}
.play-ring svg{width:22px;height:22px;fill:white;margin-left:2px}

/* placeholder thumb (動画前のカラーパターン) */
.thumb-placeholder{
  width:100%;height:100%;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--en);font-size:11px;font-weight:700;
  letter-spacing:.15em;text-transform:uppercase;
  position:relative;overflow:hidden;
}
.thumb-placeholder::before{
  content:'';position:absolute;inset:0;
  background:
    repeating-linear-gradient(
      -45deg,
      rgba(74,159,212,.04) 0px,
      rgba(74,159,212,.04) 1px,
      transparent 1px,
      transparent 20px
    );
}
.tp-game{background:linear-gradient(135deg,#0a1a2e,#0d253d)}
.tp-movie{background:linear-gradient(135deg,#0a1828,#0e2238)}
.tp-app{background:linear-gradient(135deg,#081e30,#0c2840)}
.tp-event{background:linear-gradient(135deg,#0c1830,#101e3a)}
.tp-cm{background:linear-gradient(135deg,#1a0e28,#26123a)}
.tp-label{
  position:relative;z-index:1;
  color:rgba(74,159,212,.4);font-size:12px;font-weight:700;letter-spacing:.2em;
}

.work-info{padding:20px 24px 24px}
.work-tag{
  font-family:var(--en);font-size:10px;font-weight:700;
  letter-spacing:.15em;text-transform:uppercase;color:var(--blue);margin-bottom:8px;
}
.work-info h3{font-size:16px;font-weight:800;color:var(--text);margin-bottom:6px}
.work-info p{font-size:13px;color:var(--text-m);line-height:1.75}

/* ──────────────────────────────────────
   ABOUT
────────────────────────────────────── */
.about-bg{
  background:var(--bg2);
  position:relative;overflow:hidden;
}
/* big background text */
.about-bg-text{
  position:absolute;bottom:-30px;left:-10px;
  font-family:var(--en);font-size:200px;font-weight:900;
  color:rgba(74,159,212,.03);line-height:1;
  pointer-events:none;user-select:none;white-space:nowrap;
  letter-spacing:-.02em;
}
.about-inner{
  display:grid;grid-template-columns:1fr 1fr;
  gap:80px;align-items:center;position:relative;z-index:1;
}
.about-text .section-header{text-align:left}
.about-text .section-label{justify-content:flex-start}
.about-text .section-label::before{display:none}
.about-text .divider{margin:18px 0 0}
.about-body{
  margin-top:32px;color:var(--text-m);font-size:15px;line-height:2.1;
}
.about-stats{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px;
}
.stat-box{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;padding:24px;text-align:center;
  position:relative;overflow:hidden;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.stat-box::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 50% 0%,rgba(74,159,212,.06),transparent 70%);
}
.stat-box:hover{
  border-color:rgba(74,159,212,.4);
  box-shadow:0 0 24px rgba(74,159,212,.1);
}
.stat-num{
  font-family:var(--en);font-size:38px;font-weight:900;
  background:linear-gradient(135deg,var(--blue),var(--blue-lt));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1;margin-bottom:8px;position:relative;
}
.stat-label{font-size:12px;color:var(--text-m);position:relative}

.about-visual{position:relative}
.about-visual-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:20px;padding:56px;text-align:center;
  position:relative;overflow:hidden;
}
/* circuit board pattern */
.about-visual-card::before{
  content:'';position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(74,159,212,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(74,159,212,.04) 1px,transparent 1px);
  background-size:32px 32px;
}
/* corner decorations */
.about-visual-card::after{
  content:'';position:absolute;
  bottom:-60px;right:-60px;
  width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(74,159,212,.08),transparent 70%);
}
.about-visual-inner{position:relative;z-index:1}
.about-logo-large{
  width:220px;margin:0 auto;
  filter:drop-shadow(0 0 30px rgba(74,159,212,.4));
}
.about-tagline{
  font-family:var(--en);font-size:11px;font-weight:700;
  letter-spacing:.2em;color:var(--text-m);margin-top:28px;
}

/* corner brackets */
.bracket{position:absolute;width:24px;height:24px;border-color:var(--blue);border-style:solid;opacity:.5}
.bracket-tl{top:16px;left:16px;border-width:2px 0 0 2px}
.bracket-tr{top:16px;right:16px;border-width:2px 2px 0 0}
.bracket-bl{bottom:16px;left:16px;border-width:0 0 2px 2px}
.bracket-br{bottom:16px;right:16px;border-width:0 2px 2px 0}

/* ──────────────────────────────────────
   CTA BAND
────────────────────────────────────── */
.cta-band{
  background:linear-gradient(135deg,var(--bg2) 0%,var(--bg3) 100%);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 80% 100% at 50% 0%,rgba(74,159,212,.06),transparent 70%);
}

/* ──────────────────────────────────────
   CONTACT
────────────────────────────────────── */
.contact-bg{background:var(--bg2)}
.contact-box{
  max-width:680px;margin:0 auto;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;padding:52px;
  position:relative;overflow:hidden;
}
.contact-box::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--blue),var(--blue-lt),var(--blue),transparent);
}
.form-group{margin-bottom:24px}
.form-group label{
  display:block;font-size:13px;font-weight:700;
  color:var(--text-m);margin-bottom:8px;letter-spacing:.04em;
}
.form-group label span{color:var(--blue);margin-left:4px}
.form-control{
  width:100%;padding:12px 16px;
  background:rgba(6,11,22,.7);
  border:1px solid var(--border);
  border-radius:8px;color:var(--text);
  font-size:15px;font-family:var(--font);
  outline:none;transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.form-control:focus{
  border-color:var(--blue);
  box-shadow:0 0 0 3px rgba(74,159,212,.12);
}
textarea.form-control{resize:vertical;min-height:140px}
select.form-control option{background:var(--bg3)}

/* ──────────────────────────────────────
   FOOTER
────────────────────────────────────── */
footer{
  background:var(--bg3);
  border-top:1px solid var(--border);
  padding:64px 0 28px;
  position:relative;
}
footer::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--blue),transparent);
  opacity:.4;
}
.footer-inner{max-width:1280px;margin:0 auto;padding:0 48px}
.footer-top{
  display:flex;justify-content:space-between;align-items:flex-start;
  gap:40px;margin-bottom:48px;flex-wrap:wrap;
}
.footer-logo img,.footer-logo svg{height:30px;margin-bottom:16px}
.footer-copy-text{font-size:13px;color:var(--text-m);max-width:260px;line-height:1.85}
.footer-nav h4{
  font-family:var(--en);font-size:10.5px;font-weight:700;
  letter-spacing:.2em;text-transform:uppercase;color:var(--blue);margin-bottom:16px;
}
.footer-nav ul{display:flex;flex-direction:column;gap:10px}
.footer-nav a{font-size:14px;color:var(--text-m);transition:color var(--t) var(--ease)}
.footer-nav a:hover{color:var(--text)}
.footer-bottom{
  border-top:1px solid var(--border);padding-top:24px;
  text-align:center;font-size:11.5px;color:var(--text-m);
  font-family:var(--en);letter-spacing:.06em;
}

/* ──────────────────────────────────────
   PAGE HERO
────────────────────────────────────── */
.page-hero{
  padding:150px 0 80px;background:var(--bg);
  position:relative;overflow:hidden;text-align:center;
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(ellipse 70% 80% at 50% 110%,rgba(74,159,212,.09),transparent 70%);
}
/* horizontal scan line */
.page-hero::after{
  content:'';position:absolute;
  left:0;right:0;top:50%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(74,159,212,.2),transparent);
  animation:scanLine 4s linear infinite;
}
@keyframes scanLine{
  0%{top:20%;opacity:0}10%{opacity:1}90%{opacity:1}100%{top:80%;opacity:0}
}
.page-hero-label{
  font-family:var(--en);font-size:11px;font-weight:700;
  letter-spacing:.3em;text-transform:uppercase;color:var(--blue);
  margin-bottom:18px;position:relative;
  display:flex;align-items:center;justify-content:center;gap:12px;
}
.page-hero-label::before,.page-hero-label::after{
  content:'';display:block;width:32px;height:1px;background:var(--blue);opacity:.7;
}
.page-hero h1{
  font-size:clamp(34px,5vw,58px);font-weight:900;
  color:var(--text);position:relative;
  text-shadow:0 0 40px rgba(74,159,212,.15);
}

/* ──────────────────────────────────────
   WORKS PAGE — filter
────────────────────────────────────── */
.works-filter{
  display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-bottom:52px;
}
.filter-btn{
  padding:8px 20px;border-radius:40px;
  border:1px solid var(--border);
  background:transparent;color:var(--text-m);
  font-family:var(--en);font-size:11.5px;font-weight:700;
  letter-spacing:.08em;cursor:pointer;
  transition:all var(--t) var(--ease);
}
.filter-btn:hover{border-color:var(--blue);color:var(--blue)}
.filter-btn.active{
  background:var(--blue);border-color:var(--blue);color:#fff;
  box-shadow:0 0 20px rgba(74,159,212,.35);
}

/* ──────────────────────────────────────
   VIDEO MODAL
────────────────────────────────────── */
.modal-overlay{
  position:fixed;inset:0;
  background:rgba(0,0,0,.88);backdrop-filter:blur(8px);
  z-index:2000;display:flex;align-items:center;justify-content:center;
  padding:20px;opacity:0;pointer-events:none;
  transition:opacity var(--t) var(--ease);
}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal-box{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;width:100%;max-width:840px;overflow:hidden;
  transform:scale(.94);transition:transform var(--t) var(--ease);
  position:relative;
}
.modal-overlay.open .modal-box{transform:scale(1)}
.modal-video{position:relative;aspect-ratio:16/9;background:#000}
.modal-video iframe{width:100%;height:100%;border:none}
.modal-info{padding:24px 28px}
.modal-info h3{font-size:18px;font-weight:800;margin-bottom:8px}
.modal-info p{font-size:14px;color:var(--text-m)}
.modal-close{
  position:absolute;top:14px;right:14px;z-index:10;
  width:34px;height:34px;border-radius:50%;
  background:rgba(0,0,0,.7);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all var(--t) var(--ease);
}
.modal-close:hover{background:var(--blue);border-color:var(--blue)}

/* ──────────────────────────────────────
   ANIMATIONS
────────────────────────────────────── */
.fade-up{
  opacity:0;transform:translateY(32px);
  transition:opacity .65s var(--ease),transform .65s var(--ease);
}
.fade-up.visible{opacity:1;transform:none}
.fade-up:nth-child(2){transition-delay:.1s}
.fade-up:nth-child(3){transition-delay:.2s}
.fade-up:nth-child(4){transition-delay:.3s}

/* ──────────────────────────────────────
   RESPONSIVE
────────────────────────────────────── */

/* ── 1024px: tablet ── */
@media(max-width:1024px){
  .about-inner{grid-template-columns:1fr;gap:48px}
  .about-visual{display:none}
  .section-inner{padding:0 32px}
  .footer-inner{padding:0 32px}
  .header-inner{padding:0 32px}
}

/* ── 768px: small tablet / large phone ── */
@media(max-width:768px){
  /* Header */
  .header-inner{padding:0 16px;height:60px}
  .logo svg,.logo img{height:28px}
  nav{display:none}
  .hamburger{display:flex}
  .mobile-nav{top:60px}

  /* Sections */
  .section{padding:64px 0}
  .section-inner{padding:0 16px}
  .section-header{margin-bottom:48px}
  .section-title{font-size:clamp(24px,6vw,36px)}

  /* Hero */
  .hero{min-height:100svh}
  .hero-content{padding:0 16px;max-width:100%}
  .hero-logo{width:320px;margin-bottom:28px}
  .hero-logo-wrap{margin-bottom:28px}
  .hero-logo-wrap::before,.hero-logo-wrap::after{display:none}
  .hero-eyebrow{font-size:10px;letter-spacing:.2em}
  .hero-catch{font-size:clamp(32px,8vw,52px);margin-bottom:20px}
  .hero-sub{font-size:14px;margin-bottom:36px;max-width:100%;text-align:left;padding:0 4px}
  .hero-sub br{display:none}
  .hero-buttons{gap:12px}
  .btn{padding:13px 24px;font-size:12px}
  .scroll-indicator{display:none}

  /* Service */
  .service-grid{grid-template-columns:1fr 1fr;gap:16px}
  .service-card{padding:28px 20px}
  .service-icon{width:48px;height:48px;margin-bottom:16px}
  .service-num{font-size:32px}

  /* Works */
  .works-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}

  /* Works filter */
  .works-filter{gap:6px;margin-bottom:36px}
  .filter-btn{padding:7px 14px;font-size:10.5px}

  /* About */
  .about-inner{grid-template-columns:1fr}
  .about-stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat-box{padding:18px 12px}
  .stat-num{font-size:30px}
  .about-bg-text{font-size:120px}

  /* Contact */
  .contact-box{padding:32px 20px}

  /* Footer */
  .footer-inner{padding:0 16px}
  .footer-top{flex-direction:column;gap:28px}
  footer{padding:48px 0 24px}

  /* Page hero */
  .page-hero{padding:100px 0 60px}
  .page-hero h1{font-size:clamp(28px,7vw,44px)}

  /* Modal */
  .modal-box{border-radius:12px}
  .modal-info{padding:16px 20px}
  .modal-info h3{font-size:16px}
}

/* ── 480px: phone portrait ── */
@media(max-width:480px){
  /* Hero */
  .hero-catch{font-size:clamp(28px,9vw,42px);line-height:1.1}
  .hero-logo{width:300px}
  .hero-eyebrow{gap:8px}
  .hero-eyebrow::before,.hero-eyebrow::after{width:20px}
  .hero-buttons{flex-direction:column;align-items:stretch;padding:0 8px}
  .btn{justify-content:center;width:100%;padding:14px 20px}

  /* Service */
  .service-grid{grid-template-columns:1fr}
  .service-card{padding:24px 20px}

  /* Works */
  .works-grid{grid-template-columns:1fr}

  /* About stats: maintain 2-col */
  .about-stats{grid-template-columns:1fr 1fr}
  .stat-num{font-size:26px}
  .stat-label{font-size:11px}
  .about-bg-text{font-size:80px;bottom:-10px}

  /* Section */
  .section{padding:52px 0}
  .section-header{margin-bottom:36px}

  /* Works filter: scrollable row */
  .works-filter{
    flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;
    padding-bottom:8px;scroll-snap-type:x mandatory;
  }
  .works-filter::-webkit-scrollbar{height:3px}
  .works-filter::-webkit-scrollbar-thumb{background:var(--blue-dk);border-radius:2px}
  .filter-btn{
    flex-shrink:0;scroll-snap-align:start;
    white-space:nowrap;padding:8px 16px;
    min-height:36px;
  }

  /* Contact */
  .contact-box{padding:24px 16px}

  /* Footer */
  .footer-copy-text{max-width:100%}

  /* Page hero */
  .page-hero{padding:88px 0 52px}

  /* Modal */
  .modal-overlay{padding:0;align-items:flex-end}
  .modal-box{
    border-radius:16px 16px 0 0;
    max-height:90svh;overflow-y:auto;
  }
  .modal-info{padding:14px 16px 20px}
}

/* ── 360px: very small phones ── */
@media(max-width:360px){
  .hero-catch{font-size:26px}
  .hero-logo{width:130px}
  .section-inner{padding:0 12px}
  .header-inner{padding:0 12px}
  .footer-inner{padding:0 12px}
}