/* ========== RESET & BASE ========== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --black:#0a0a0a;
  --dark:#111;
  --gray-900:#1a1a1a;
  --gray-800:#222;
  --gray-600:#666;
  --gray-400:#999;
  --gray-200:#ddd;
  --gray-100:#f0f0f0;
  --white:#fff;
  --accent:#D4FF00;
  --accent-dark:#a8cc00;
  --light-bg:#F5FBFB;
  --font-en:'Inter',sans-serif;
  --font-jp:'Noto Sans JP','Hiragino Kaku Gothic ProN',sans-serif;
  --ease-out-expo:cubic-bezier(0.16,1,0.3,1);
  --ease-out-quart:cubic-bezier(0.25,1,0.5,1);
}
html{scroll-behavior:smooth;font-size:16px;overflow-x:hidden}
body{
  font-family:var(--font-jp);
  background:var(--black);
  color:var(--white);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;transition:opacity .3s}
a:hover{opacity:.7}
img{max-width:100%;display:block}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 40px}
@media(max-width:768px){.container{padding:0 20px}}

/* ========== LOADER ========== */
.loader{
  position:fixed;inset:0;z-index:9999;
  background:var(--black);
  display:flex;align-items:center;justify-content:center;
  transition:opacity .6s var(--ease-out-expo),visibility .6s;
}
.loader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader-inner{text-align:center}
.loader-text{
  font-family:var(--font-en);font-weight:800;font-size:2rem;
  letter-spacing:.2em;color:var(--accent);
}
.loader-bar{width:200px;height:2px;background:var(--gray-800);margin-top:20px;border-radius:2px;overflow:hidden}
.loader-bar-fill{width:0;height:100%;background:var(--accent);animation:load 1.5s var(--ease-out-expo) forwards}
@keyframes load{to{width:100%}}

/* ========== HEADER ========== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:20px 0;
  transition:background .3s,backdrop-filter .3s,padding .3s;
}
.header.scrolled{
  background:rgba(10,10,10,.85);
  backdrop-filter:blur(20px);
  padding:12px 0;
}
.header-inner{
  max-width:1200px;margin:0 auto;padding:0 40px;
  display:flex;align-items:center;justify-content:space-between;
}
.logo{display:flex;align-items:baseline;gap:6px}
.logo-main{font-family:var(--font-en);font-weight:800;font-size:1.4rem;letter-spacing:.08em;color:var(--white)}
.logo-sub{font-family:var(--font-en);font-weight:300;font-size:.75rem;color:var(--gray-400);letter-spacing:.05em}
.nav{display:flex;align-items:center;gap:40px}
.nav-list{display:flex;gap:32px}
.nav-link{
  font-family:var(--font-en);font-size:.82rem;font-weight:500;
  letter-spacing:.06em;color:var(--gray-400);
  transition:color .3s;position:relative;
}
.nav-link::after{
  content:'';position:absolute;bottom:-4px;left:0;
  width:0;height:1px;background:var(--accent);
  transition:width .3s var(--ease-out-expo);
}
.nav-link:hover{color:var(--white);opacity:1}
.nav-link:hover::after{width:100%}
.nav-cta{
  font-family:var(--font-en);font-size:.82rem;font-weight:600;
  letter-spacing:.06em;color:var(--black);
  background:var(--accent);padding:10px 24px;border-radius:100px;
  transition:background .3s,transform .3s;
}
.nav-cta:hover{background:var(--accent-dark);opacity:1;transform:scale(1.03)}

/* Hamburger */
.hamburger{
  display:none;width:32px;height:24px;
  background:none;border:none;cursor:pointer;
  position:relative;z-index:110;
}
.hamburger span{
  display:block;width:100%;height:2px;background:var(--white);
  position:absolute;left:0;transition:all .3s var(--ease-out-expo);
}
.hamburger span:nth-child(1){top:0}
.hamburger span:nth-child(2){top:50%;transform:translateY(-50%)}
.hamburger span:nth-child(3){bottom:0}
.hamburger.active span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){bottom:50%;transform:translateY(50%) rotate(-45deg)}

@media(max-width:840px){
  .hamburger{display:block}
  .nav{
    position:fixed;inset:0;background:var(--black);
    flex-direction:column;align-items:center;justify-content:center;gap:32px;
    opacity:0;visibility:hidden;transition:all .4s var(--ease-out-expo);
  }
  .nav.open{opacity:1;visibility:visible}
  .nav-list{flex-direction:column;align-items:center;gap:24px}
  .nav-link{font-size:1.2rem;color:var(--white)}
  .header-inner{padding:0 20px}
}

/* ========== HERO ========== */
.hero{
  min-height:100vh;display:flex;flex-direction:column;
  justify-content:center;position:relative;
  padding:140px 40px 80px;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg-image{
  position:absolute;inset:0;
  background:url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
  animation:heroZoom 20s ease-out forwards;
}
@keyframes heroZoom{from{transform:scale(1.1)}to{transform:scale(1)}}
.hero-bg-overlay{
  position:absolute;inset:0;
  background:linear-gradient(
    to bottom,
    rgba(10,10,10,.75) 0%,
    rgba(10,10,10,.6) 40%,
    rgba(10,10,10,.85) 100%
  );
}
.hero-grid{position:absolute;inset:0}
.grid-line{
  position:absolute;top:0;bottom:0;width:1px;
  background:linear-gradient(to bottom,transparent,rgba(212,255,0,.06) 30%,rgba(212,255,0,.06) 70%,transparent);
}
.hero-content{position:relative;max-width:1200px;margin:0 auto;width:100%}
.hero-label{
  font-family:var(--font-en);font-size:.85rem;font-weight:500;
  letter-spacing:.25em;color:var(--accent);margin-bottom:24px;
}
.hero-title{
  font-size:clamp(3rem,8vw,7rem);font-weight:900;
  line-height:1.1;letter-spacing:-.02em;margin-bottom:32px;
}
.hero-line{display:block}
.hero-accent{color:var(--accent)}
.hero-desc{
  font-size:1.1rem;color:var(--gray-400);
  max-width:480px;line-height:2;
}
.hero-scroll{
  position:absolute;bottom:-40px;left:0;
  display:flex;flex-direction:column;align-items:center;gap:8px;
}
.scroll-line{
  width:1px;height:60px;background:linear-gradient(to bottom,var(--accent),transparent);
  animation:scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse{0%,100%{opacity:.3}50%{opacity:1}}
.scroll-text{font-family:var(--font-en);font-size:.7rem;letter-spacing:.15em;color:var(--gray-400)}

.hero-stats{
  position:relative;max-width:1200px;margin:80px auto 0;width:100%;
  display:flex;gap:60px;
}
.stat{display:flex;flex-direction:column}
.stat-num{
  font-family:var(--font-en);font-size:3.5rem;font-weight:800;
  color:var(--white);line-height:1;
}
.stat-unit{
  font-family:var(--font-en);font-size:1.5rem;font-weight:300;
  color:var(--accent);
}
.stat-label{font-size:.8rem;color:var(--gray-400);margin-top:8px}

@media(max-width:768px){
  .hero{padding:120px 20px 60px}
  .hero-stats{flex-direction:row;gap:30px;flex-wrap:wrap}
  .stat-num{font-size:2.2rem}
  .hero-scroll{display:none}
}

/* ========== SECTIONS ========== */
.section{padding:120px 0}
.section--light{background:var(--light-bg);color:var(--black)}
.section--dark{background:var(--black);color:var(--white)}
.section--accent{background:var(--accent);color:var(--black);padding:80px 0}

.section-header{margin-bottom:60px}
.section-label{
  font-family:var(--font-en);font-size:.82rem;font-weight:600;
  letter-spacing:.2em;color:var(--accent);
  display:block;margin-bottom:16px;
}
.section-label--light{color:var(--accent)}
.section-title{font-size:clamp(2rem,4vw,3.2rem);font-weight:900;line-height:1.3}
.section-title--light{color:var(--white)}
.accent{color:var(--accent)}
.section--light .accent{color:var(--accent-dark)}

@media(max-width:768px){.section{padding:80px 0}}

/* ========== ABOUT ========== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.about-lead{font-size:1.15rem;font-weight:500;line-height:2;margin-bottom:24px;color:var(--gray-800)}
.about-body{font-size:.95rem;line-height:2;color:var(--gray-600);margin-bottom:40px}
.about-image-placeholder{border-radius:12px;overflow:hidden}
.about-image-placeholder svg{width:100%;height:auto;display:block}

.btn{
  display:inline-flex;align-items:center;gap:12px;
  font-size:.9rem;font-weight:600;letter-spacing:.05em;
  padding:14px 32px;border-radius:100px;
  transition:all .3s var(--ease-out-expo);
}
.btn--dark{background:var(--black);color:var(--white)}
.btn--dark:hover{background:var(--gray-800);opacity:1;transform:translateX(4px)}
.btn svg{transition:transform .3s var(--ease-out-expo)}
.btn:hover svg{transform:translateX(4px)}

@media(max-width:840px){
  .about-grid{grid-template-columns:1fr;gap:40px}
}

/* ========== MARQUEE ========== */
.marquee{
  background:var(--accent);padding:20px 0;overflow:hidden;
  white-space:nowrap;
}
.marquee-track{
  display:inline-flex;align-items:center;gap:40px;
  animation:marqueeScroll 20s linear infinite;
  font-family:var(--font-en);font-size:1.8rem;font-weight:800;
  letter-spacing:.08em;color:var(--black);
}
.marquee .dot{width:8px;height:8px;border-radius:50%;background:var(--black);flex-shrink:0}
@keyframes marqueeScroll{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}

/* ========== SERVICE ========== */
.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.service-card{
  background:var(--gray-900);border:1px solid rgba(255,255,255,.06);
  border-radius:16px;padding:40px;
  transition:border-color .4s,transform .4s var(--ease-out-expo);
  position:relative;overflow:hidden;
}
.service-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(212,255,0,.03),transparent);
  opacity:0;transition:opacity .4s;
}
.service-card:hover{border-color:rgba(212,255,0,.2);transform:translateY(-4px)}
.service-card:hover::before{opacity:1}
.service-num{
  font-family:var(--font-en);font-size:.75rem;font-weight:600;
  letter-spacing:.15em;color:var(--accent);opacity:.6;
}
.service-icon{width:56px;height:56px;margin:16px 0 20px}
.service-icon svg{width:100%;height:100%}
.service-title{font-size:1.3rem;font-weight:700;margin-bottom:12px}
.service-desc{font-size:.9rem;color:var(--gray-400);line-height:1.8;margin-bottom:20px}
.service-tags{display:flex;gap:8px;flex-wrap:wrap}
.service-tags span{
  font-size:.75rem;color:var(--accent);
  border:1px solid rgba(212,255,0,.2);border-radius:100px;
  padding:4px 14px;
}

@media(max-width:840px){.service-list{grid-template-columns:1fr}}

/* ========== WORKS ========== */
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.work-card{
  border-radius:12px;overflow:hidden;
  background:var(--black);
  transition:transform .4s var(--ease-out-expo);
}
.work-card:hover{transform:translateY(-6px)}
.work-card--large{grid-column:1/-1}
.work-image{overflow:hidden}
.work-image svg{width:100%;height:auto;display:block;transition:transform .6s var(--ease-out-expo)}
.work-card:hover .work-image svg{transform:scale(1.03)}
.work-info{padding:20px 24px}
.work-cat{
  font-family:var(--font-en);font-size:.7rem;font-weight:600;
  letter-spacing:.15em;color:var(--accent);text-transform:uppercase;
}
.work-title{font-size:1.1rem;font-weight:700;margin:6px 0 4px;color:var(--white)}
.work-meta{font-size:.8rem;color:var(--gray-400)}
.works-more{margin-top:48px;text-align:center}

@media(max-width:840px){
  .works-grid{grid-template-columns:1fr 1fr}
  .work-card--large{grid-column:1/-1}
}
@media(max-width:540px){.works-grid{grid-template-columns:1fr}}

/* ========== NUMBERS ========== */
.numbers-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;text-align:center}
.number-val{
  font-family:var(--font-en);font-size:clamp(2.5rem,5vw,4rem);
  font-weight:900;line-height:1;
}
.number-suffix{font-family:var(--font-en);font-size:1.2rem;font-weight:500}
.number-label{display:block;font-size:.85rem;margin-top:8px;opacity:.7}
@media(max-width:768px){.numbers-grid{grid-template-columns:repeat(2,1fr);gap:32px}}

/* ========== COMPANY ========== */
.company-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}
.company-message-title{
  font-size:.85rem;font-weight:600;color:var(--accent);
  letter-spacing:.1em;margin-bottom:24px;
}
.company-message-text{
  font-size:1.2rem;font-weight:400;line-height:2.2;
  color:var(--gray-200);font-style:italic;margin-bottom:24px;
}
.company-message-name{font-size:.9rem;color:var(--gray-400)}

.info-table{display:flex;flex-direction:column}
.info-row{
  display:flex;padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.info-row dt{
  width:120px;flex-shrink:0;
  font-size:.85rem;color:var(--gray-400);font-weight:500;
}
.info-row dd{font-size:.9rem;color:var(--gray-200)}
@media(max-width:840px){.company-grid{grid-template-columns:1fr;gap:48px}}

/* ========== RECRUIT ========== */
.recruit-inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.recruit-desc{font-size:1rem;color:var(--gray-600);line-height:2;margin:24px 0 40px}
.recruit-visual{display:flex;flex-direction:column;gap:16px}
.recruit-card{
  background:var(--black);color:var(--white);
  border-radius:12px;padding:28px 32px;
  display:flex;align-items:center;gap:20px;
  transition:transform .3s var(--ease-out-expo);
}
.recruit-card:hover{transform:translateX(8px)}
.recruit-card-num{
  font-family:var(--font-en);font-size:.75rem;font-weight:700;
  color:var(--accent);letter-spacing:.1em;
}
.recruit-card h4{font-size:1rem;font-weight:700}
.recruit-card p{font-size:.8rem;color:var(--gray-400);margin-left:auto}
@media(max-width:840px){
  .recruit-inner{grid-template-columns:1fr;gap:40px}
  .recruit-card p{display:none}
}

/* ========== CONTACT ========== */
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.contact-desc{font-size:.95rem;color:var(--gray-400);line-height:2;margin-top:24px}
.contact-actions{display:flex;flex-direction:column;gap:16px}
.contact-btn{
  display:flex;align-items:center;justify-content:space-between;
  padding:28px 32px;border-radius:12px;
  transition:transform .3s var(--ease-out-expo),background .3s;
}
.contact-btn--primary{background:var(--accent);color:var(--black)}
.contact-btn--primary:hover{opacity:1;transform:translateX(8px)}
.contact-btn--secondary{background:var(--gray-900);color:var(--white);border:1px solid rgba(255,255,255,.08)}
.contact-btn--secondary:hover{opacity:1;background:var(--gray-800);transform:translateX(8px)}
.contact-btn-label{font-size:1.1rem;font-weight:700}
.contact-btn-sub{font-size:.8rem;color:var(--gray-400)}
@media(max-width:840px){.contact-inner{grid-template-columns:1fr;gap:40px}}

/* ========== FOOTER ========== */
.footer{background:var(--dark);padding:80px 0 40px;border-top:1px solid rgba(255,255,255,.06)}
.footer-top{display:grid;grid-template-columns:1fr 2fr;gap:60px;margin-bottom:60px}
.footer-tagline{font-size:.9rem;color:var(--gray-400);margin-top:12px}
.logo--footer .logo-main{font-size:1.2rem}
.footer-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.footer-nav h4{
  font-family:var(--font-en);font-size:.8rem;font-weight:600;
  letter-spacing:.12em;color:var(--gray-400);margin-bottom:16px;
}
.footer-nav a{font-size:.85rem;color:var(--gray-400);display:block;padding:4px 0;transition:color .3s}
.footer-nav a:hover{color:var(--white);opacity:1}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:32px;border-top:1px solid rgba(255,255,255,.06);
}
.copyright{font-size:.75rem;color:var(--gray-600)}
.footer-links{display:flex;gap:24px}
.footer-links a{font-size:.75rem;color:var(--gray-600);transition:color .3s}
.footer-links a:hover{color:var(--gray-400);opacity:1}
@media(max-width:840px){
  .footer-top{grid-template-columns:1fr;gap:40px}
  .footer-nav{grid-template-columns:repeat(3,1fr)}
  .footer-bottom{flex-direction:column;gap:16px;text-align:center}
}
@media(max-width:540px){.footer-nav{grid-template-columns:1fr;gap:24px}}

/* ========== ANIMATIONS ========== */
[data-anim]{opacity:0;transform:translateY(40px);transition:opacity .8s var(--ease-out-expo),transform .8s var(--ease-out-expo)}
[data-anim].visible{opacity:1;transform:translateY(0)}
[data-delay="1"]{transition-delay:.15s}
[data-delay="2"]{transition-delay:.3s}
[data-delay="3"]{transition-delay:.45s}

/* ========== CUSTOM CURSOR (desktop only) ========== */
@media(hover:hover){
  body{cursor:none}
  .cursor{
    width:16px;height:16px;border:1.5px solid var(--accent);border-radius:50%;
    position:fixed;top:0;left:0;pointer-events:none;z-index:9999;
    transition:width .2s,height .2s,margin .2s,border-color .2s;
    margin:-8px 0 0 -8px;mix-blend-mode:difference;
  }
  .cursor.hover{width:48px;height:48px;margin:-24px 0 0 -24px;border-color:var(--white)}
}