/* ============================
   Reset & Base
============================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"Noto Sans JP","Helvetica Neue",Arial,sans-serif;
  font-weight:300;
  color:#222;
  background:#fff;
  line-height:1.8;
  letter-spacing:.04em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:opacity .3s ease,color .3s ease}
a:hover{opacity:.65}
ul{list-style:none}
button{background:none;border:none;cursor:pointer;font:inherit;color:inherit}

:root{
  --c-bg:#ffffff;
  --c-text:#222;
  --c-muted:#888;
  --c-line:#e5e5e5;
  --c-dark:#111;
  --serif:"Cormorant Garamond",serif;
  --max:1280px;
}

/* ============================
   Header
============================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:20px 40px;
  transition:background .3s ease,padding .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(6px);
  padding:14px 40px;
  box-shadow:0 1px 0 rgba(0,0,0,.06);
}
.header-inner{
  max-width:var(--max);
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo{
  font-family:var(--serif);
  font-size:22px;
  letter-spacing:.15em;
  font-weight:400;
  color:#fff;
  transition:color .3s ease;
}
.logo span{font-size:.85em;margin-left:2px;opacity:.8}
.site-header.scrolled .logo{color:#111}

.nav ul{display:flex;gap:34px}
.nav a{
  font-size:11px;
  letter-spacing:.22em;
  font-weight:400;
  color:#fff;
  transition:color .3s ease;
}
.site-header.scrolled .nav a{color:#222}
.nav .nav-contact{
  padding:8px 18px;
  border:1px solid currentColor;
  border-radius:999px;
}

.burger{
  display:none;
  width:28px;height:22px;
  position:relative;
}
.burger span{
  position:absolute;left:0;right:0;height:1px;background:#fff;
  transition:transform .3s ease,top .3s ease,opacity .3s ease,background .3s ease;
}
.burger span:nth-child(1){top:4px}
.burger span:nth-child(2){top:11px}
.burger span:nth-child(3){top:18px}
.site-header.scrolled .burger span{background:#111}
.burger.active span:nth-child(1){top:11px;transform:rotate(45deg)}
.burger.active span:nth-child(2){opacity:0}
.burger.active span:nth-child(3){top:11px;transform:rotate(-45deg)}

/* ============================
   Hero
============================ */
.hero{
  position:relative;
  height:100vh;
  min-height:620px;
  overflow:hidden;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
}
.hero-image{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transform:scale(1.05);
  animation:heroZoom 12s ease-out forwards;
}
@keyframes heroZoom{to{transform:scale(1)}}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,30,50,.25) 0%,rgba(10,30,50,.45) 100%);
}
.hero-content{
  position:relative;
  text-align:center;
  padding:0 20px;
  z-index:2;
  animation:fadeUp 1.4s ease-out both;
  animation-delay:.3s;
}
.hero-sub{
  font-size:11px;
  letter-spacing:.45em;
  margin-bottom:24px;
  opacity:.85;
}
.hero-title{
  font-family:var(--serif);
  font-weight:300;
  font-size:clamp(44px,8vw,104px);
  line-height:1.05;
  letter-spacing:.08em;
}
.hero-desc{
  margin-top:28px;
  font-size:14px;
  letter-spacing:.3em;
  opacity:.9;
}

.scroll-indicator{
  position:absolute;
  bottom:28px;left:50%;transform:translateX(-50%);
  font-size:10px;letter-spacing:.4em;color:#fff;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  opacity:.75;
}
.scroll-indicator span{
  width:1px;height:40px;background:#fff;
  animation:scrollLine 2s ease-in-out infinite;
  transform-origin:top;
}
@keyframes scrollLine{
  0%{transform:scaleY(0);transform-origin:top}
  50%{transform:scaleY(1);transform-origin:top}
  51%{transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(20px)}
  to{opacity:1;transform:translateY(0)}
}

/* ============================
   Section base
============================ */
.section{
  padding:120px 40px;
  max-width:var(--max);
  margin:0 auto;
}
.section-label{
  text-align:center;
  font-size:11px;
  letter-spacing:.45em;
  color:#333;
  margin-bottom:60px;
  font-weight:400;
}
.section-label.left{text-align:left}
.section-title-jp{
  text-align:center;
  font-size:clamp(22px,3.2vw,32px);
  font-weight:400;
  letter-spacing:.22em;
  line-height:1.8;
  margin-bottom:40px;
}
.view-all{
  display:inline-block;
  margin:60px auto 0;
  font-size:11px;
  letter-spacing:.35em;
  padding-bottom:6px;
  border-bottom:1px solid #222;
  text-align:center;
}
.section .view-all:not(.left){
  display:block;width:max-content;margin-left:auto;margin-right:auto;
}
.view-all.left{margin:36px 0 0}

/* ============================
   About
============================ */
.about{padding-top:140px;padding-bottom:40px}
.about-lead{
  text-align:center;
  font-size:14px;
  line-height:2.4;
  letter-spacing:.18em;
  color:#555;
}

/* ============================
   Service
============================ */
.service-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:2px;
}
.service-card{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:3/2;
}
.service-img{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transition:transform .8s ease;
}
.service-card:hover{opacity:1}
.service-card:hover .service-img{transform:scale(1.06)}
.service-card::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 55%,rgba(0,0,0,.55) 100%);
}
.service-name{
  position:absolute;
  left:22px;bottom:20px;
  color:#fff;
  font-size:12px;
  letter-spacing:.25em;
  z-index:2;
}

/* ============================
   Factory Scale
============================ */
.factory{padding:120px 0}
.factory-inner{
  display:grid;
  grid-template-columns:360px 1fr;
  gap:0;
  align-items:stretch;
  min-height:500px;
  max-width:var(--max);
  margin:0 auto;
}
.factory-text{
  padding:60px 60px 60px 40px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.stats{display:flex;flex-direction:column;gap:40px;margin-top:40px}
.stats li{display:flex;flex-direction:column;gap:6px}
.stat-num{
  font-family:var(--serif);
  font-size:54px;
  font-weight:300;
  line-height:1;
  letter-spacing:.02em;
}
.stat-label{
  font-size:10px;
  letter-spacing:.3em;
  color:#888;
}
.factory-image{
  background-size:cover;background-position:center;
  min-height:500px;
}

/* ============================
   Team
============================ */
.team-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:6px;
}
.team-card{
  position:relative;
  aspect-ratio:2/3;
  overflow:hidden;
}
.team-img{
  position:absolute;inset:0;
  background-size:cover;background-position:center top;
  transition:transform .8s ease,filter .5s ease;
  filter:brightness(.88);
}
.team-card:hover .team-img{transform:scale(1.05);filter:brightness(1)}
.team-card::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 60%,rgba(0,0,0,.6) 100%);
}
.team-name{
  position:absolute;left:20px;bottom:18px;
  color:#fff;font-size:13px;letter-spacing:.15em;z-index:2;
}

/* ============================
   News
============================ */
.news{max-width:1080px}
.news-list{border-top:1px solid var(--c-line)}
.news-list li{border-bottom:1px solid var(--c-line)}
.news-list a{
  display:grid;
  grid-template-columns:160px 1fr 24px;
  align-items:center;
  padding:28px 8px;
  gap:20px;
  transition:padding-left .3s ease,background .3s ease;
}
.news-list a:hover{opacity:1;padding-left:16px;background:#fafafa}
.news-date{
  font-size:10px;
  letter-spacing:.25em;
  color:#999;
}
.news-title{font-size:14px;letter-spacing:.1em}
.news-arrow{color:#999;font-size:14px;text-align:right}

/* ============================
   Sustainability
============================ */
.sustainability{padding:100px 40px}
.sus-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
  border-left:1px solid var(--c-line);
}
.sus-item{
  padding:40px 40px;
  text-align:center;
  border-right:1px solid var(--c-line);
}
.sus-icon{
  width:62px;height:62px;
  margin:0 auto 24px;
  background:#f3f3f3;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#222;
}
.sus-icon svg{width:26px;height:26px}
.sus-title{
  font-size:15px;font-weight:500;
  letter-spacing:.15em;
  margin-bottom:14px;
}
.sus-text{
  font-size:12px;
  line-height:2;
  letter-spacing:.1em;
  color:#666;
}

/* ============================
   Works / Recruit (split layout)
============================ */
.works,.recruit{max-width:none;padding:0;background:#fafafa}
.works-inner,.recruit-inner{
  display:grid;
  grid-template-columns:420px 1fr;
  min-height:540px;
  max-width:1440px;
  margin:0 auto;
}
.recruit{background:#fff}
.recruit-inner{grid-template-columns:380px 1fr}
.works-text,.recruit-text{
  padding:80px 60px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.works-image,.recruit-image{
  background-size:cover;background-position:center;
  min-height:540px;
}
.works-lead{
  font-size:18px;
  line-height:2;
  letter-spacing:.12em;
  margin:40px 0 24px;
}
.works-desc{
  font-size:12px;
  line-height:2;
  letter-spacing:.1em;
  color:#777;
}
.recruit-title{
  font-size:22px;
  font-weight:400;
  letter-spacing:.15em;
  line-height:1.8;
  margin:30px 0 22px;
}
.recruit-desc{
  font-size:12px;
  line-height:2.1;
  letter-spacing:.1em;
  color:#777;
}

/* ============================
   Footer
============================ */
.site-footer{
  border-top:1px solid var(--c-line);
  padding:80px 40px 0;
  background:#fff;
}
.footer-inner{
  max-width:var(--max);
  margin:0 auto;
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:60px;
}
.footer-logo{
  font-size:15px;
  letter-spacing:.15em;
  margin-bottom:28px;
}
.site-footer address{
  font-style:normal;
  font-size:12px;
  line-height:2.2;
  letter-spacing:.1em;
  color:#666;
}
.footer-head{
  font-size:11px;
  letter-spacing:.3em;
  margin-bottom:20px;
  color:#333;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li a{
  font-size:11px;
  letter-spacing:.25em;
  color:#555;
}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:22px 0;
  max-width:var(--max);
  margin:0 auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:10px;
  letter-spacing:.3em;
  color:#888;
}

/* ============================
   Scroll reveal
============================ */
.reveal{opacity:0;transform:translateY(30px);transition:opacity 1s ease,transform 1s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ============================
   Responsive
============================ */
@media (max-width:960px){
  .site-header{padding:16px 20px}
  .site-header.scrolled{padding:12px 20px}
  .burger{display:block}
  .nav{
    position:fixed;top:0;right:-100%;
    width:78%;max-width:340px;height:100vh;
    background:#fff;
    padding:90px 32px 40px;
    transition:right .4s ease;
    box-shadow:-4px 0 30px rgba(0,0,0,.08);
  }
  .nav.open{right:0}
  .nav ul{flex-direction:column;gap:22px}
  .nav a{color:#222}
  .nav .nav-contact{border-color:#222;align-self:flex-start}

  .hero{min-height:560px}
  .hero-title{font-size:clamp(38px,12vw,60px)}
  .hero-desc{font-size:12px;letter-spacing:.22em}

  .section{padding:80px 24px}
  .section-label{margin-bottom:40px}

  .service-grid{grid-template-columns:repeat(2,1fr)}
  .team-grid{grid-template-columns:repeat(2,1fr);gap:4px}

  .factory{padding:80px 0}
  .factory-inner{grid-template-columns:1fr}
  .factory-text{padding:40px 24px}
  .factory-image{min-height:280px;order:-1}
  .stats{gap:28px}
  .stat-num{font-size:42px}

  .works-inner,.recruit-inner{grid-template-columns:1fr}
  .works-text,.recruit-text{padding:50px 24px}
  .works-image,.recruit-image{min-height:280px;order:-1}

  .sustainability{padding:60px 20px}
  .sus-grid{grid-template-columns:1fr;border-left:0}
  .sus-item{border-right:0;border-bottom:1px solid var(--c-line);padding:40px 20px}
  .sus-item:last-child{border-bottom:0}

  .news-list a{grid-template-columns:1fr 24px;padding:22px 8px}
  .news-date{display:block;grid-column:1/-1}
  .news-title{grid-column:1}

  .footer-inner{grid-template-columns:1fr 1fr;gap:30px;padding-bottom:40px}
  .footer-col.company{grid-column:1/-1}
  .footer-bottom{flex-direction:column;gap:12px;padding:22px 0 30px;text-align:center}
}

@media (max-width:480px){
  .service-grid{grid-template-columns:1fr}
  .hero-title{font-size:44px}
}