:root{
  --cream:#faf8f3;
  --ink:#1c1a16;
  --sub:#6b6558;
  --line:#dcd6c8;
  --yellow:#e8b931;
  --dark:#15140f;
  --ease:cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans JP",sans-serif;
  background:var(--cream);
  color:var(--ink);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
.arrow{display:inline-block;transition:transform .3s var(--ease)}

/* ========== DEMO BANNER ========== */
.demo-banner{
  position:fixed;top:0;left:0;right:0;z-index:300;height:40px;
  display:flex;align-items:center;gap:14px;padding:0 20px;
  background:linear-gradient(90deg,#16161a,#23211d);color:#fff;
  font-size:13px;overflow:hidden;white-space:nowrap;
  border-bottom:1px solid rgba(232,185,49,.3);
}
.demo-banner__tag{flex-shrink:0;background:var(--yellow);color:#16161a;font-weight:700;font-size:11px;padding:3px 10px;border-radius:4px;letter-spacing:.5px}
.demo-banner__text{flex:1;overflow:hidden;text-overflow:ellipsis;opacity:.9}
.demo-banner__text strong{color:var(--yellow)}
.demo-banner__link{flex-shrink:0;display:inline-flex;align-items:center;gap:6px;color:#fff;font-weight:700;font-size:12.5px;border:1px solid rgba(255,255,255,.4);padding:5px 14px;border-radius:999px;transition:background .25s,border-color .25s}
.demo-banner__link:hover{background:rgba(232,185,49,.18);border-color:var(--yellow)}

/* ========== HEADER ========== */
.header{
  position:sticky;top:40px;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 48px;background:rgba(250,248,243,.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{font-family:"Jost",sans-serif;font-size:1.5rem;font-weight:600;letter-spacing:.03em}
.logo-mark .dot{color:var(--yellow)}
.logo-text{display:flex;flex-direction:column;line-height:1.3}
.logo-text strong{font-size:.86rem;font-weight:700;letter-spacing:.05em}
.logo-text small{font-family:"Jost",sans-serif;font-size:.58rem;color:var(--sub);letter-spacing:.18em}
.nav{display:flex;gap:40px}
.nav a{font-family:"Jost",sans-serif;font-size:.8rem;font-weight:500;letter-spacing:.14em;color:var(--ink);position:relative;padding-bottom:4px}
.nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--ink);transition:width .3s var(--ease)}
.nav a:hover::after{width:100%}
.btn-contact{
  display:flex;align-items:center;gap:8px;
  font-family:"Jost",sans-serif;font-size:.78rem;font-weight:600;letter-spacing:.1em;
  background:var(--ink);color:#fff;padding:13px 26px;border-radius:999px;
  transition:background .3s var(--ease),transform .3s var(--ease);
}
.btn-contact:hover{background:var(--yellow);color:var(--ink);transform:translateY(-2px)}
.btn-contact:hover .arrow{transform:translate(2px,-2px)}

/* ========== HERO ========== */
.hero{
  display:grid;grid-template-columns:1.05fr 1.2fr;align-items:stretch;
  min-height:620px;
}
.hero-left{
  display:flex;flex-direction:column;justify-content:center;gap:26px;
  padding:60px 56px;
}
.hero-label{
  display:flex;align-items:center;gap:10px;
  font-family:"Jost",sans-serif;font-size:.74rem;letter-spacing:.16em;color:var(--sub);
}
.dot-sq{width:8px;height:8px;background:var(--yellow)}
.hero-title{
  font-family:"Shippori Mincho",serif;font-weight:700;
  font-size:clamp(2.2rem,3.6vw,3.05rem);line-height:1.4;letter-spacing:.01em;
  white-space:nowrap;
}
.hero-lead{color:var(--sub);font-size:.98rem;letter-spacing:.03em}
.link-more{
  display:inline-flex;align-items:center;gap:8px;width:fit-content;
  font-size:.86rem;font-weight:600;padding-bottom:6px;border-bottom:1px solid var(--ink);
  transition:gap .3s var(--ease),opacity .3s;
}
.link-more:hover{gap:14px}
.hero-right{overflow:hidden}
.hero-right img{width:100%;height:100%;object-fit:cover;min-height:360px}

/* ========== SECTION COMMON ========== */
.sec-label{
  display:flex;align-items:center;gap:14px;
  font-family:"Jost",sans-serif;font-size:.78rem;letter-spacing:.2em;color:var(--sub);
  margin-bottom:20px;
}
.sec-label .line{width:40px;height:1px;background:var(--ink)}
.sec-label .line.light{background:rgba(255,255,255,.5)}
.sec-label.center{justify-content:center}
.sec-title{
  font-family:"Shippori Mincho",serif;font-weight:700;
  font-size:clamp(1.7rem,3vw,2.3rem);line-height:1.5;letter-spacing:.02em;
}
.sec-title.center{text-align:center}

/* ========== SERVICE ========== */
.service{padding:120px 56px}
.sec-head-row{
  display:flex;justify-content:space-between;align-items:flex-end;gap:40px;
  margin-top:10px;margin-bottom:64px;flex-wrap:wrap;
}
.sec-desc{max-width:360px;color:var(--sub);font-size:.92rem}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.service-img{aspect-ratio:4/3;overflow:hidden;margin-bottom:22px;background:#e8e3d5}
.service-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.service-card:hover .service-img img{transform:scale(1.06)}
.service-no{
  display:flex;align-items:center;gap:14px;
  font-family:"Jost",sans-serif;font-size:.86rem;color:var(--sub);margin-bottom:10px;
}
.service-line{flex:1;height:1px;background:var(--line)}
.service-card h3{font-size:1.18rem;font-weight:700;margin-bottom:10px;letter-spacing:.03em}
.service-card p{color:var(--sub);font-size:.9rem}

/* ========== RECRUIT ========== */
.recruit{
  display:grid;grid-template-columns:1fr 1fr;align-items:stretch;
  background:#f1ede2;
}
.recruit-img{overflow:hidden}
.recruit-img img{width:100%;height:100%;object-fit:cover;min-height:460px}
.recruit-body{
  display:flex;flex-direction:column;justify-content:center;gap:22px;
  padding:60px 64px;
}
.recruit-body p{color:var(--sub);font-size:.94rem}
.btn-outline{
  display:inline-flex;align-items:center;gap:10px;width:fit-content;
  border:1px solid var(--ink);padding:14px 28px;border-radius:999px;
  font-size:.86rem;font-weight:600;letter-spacing:.04em;
  transition:background .3s var(--ease),color .3s var(--ease);
}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-outline:hover .arrow{transform:translateX(4px)}

/* ========== ABOUT ========== */
.about{
  max-width:720px;margin:0 auto;padding:140px 32px;
  text-align:center;display:flex;flex-direction:column;align-items:center;gap:26px;
}
.about-lead{color:var(--sub);font-size:.95rem}

/* ========== CONTACT ========== */
.contact{background:var(--dark);color:#fff;padding:120px 56px}
.contact .sec-label{color:rgba(255,255,255,.6)}
.contact-row{
  display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap;
}
.contact-row > div{max-width:620px}
.contact-row .sec-title{color:#fff;margin-bottom:22px}
.contact-row p{color:rgba(255,255,255,.65);font-size:.95rem}
.contact-circle{
  flex-shrink:0;width:96px;height:96px;border-radius:50%;border:1px solid rgba(255,255,255,.5);
  display:grid;place-items:center;font-size:1.3rem;
  transition:background .3s var(--ease),transform .3s var(--ease),border-color .3s;
}
.contact-circle:hover{background:var(--yellow);color:var(--ink);border-color:var(--yellow);transform:rotate(45deg)}

/* ========== FOOTER ========== */
.footer{
  background:var(--dark);color:#fff;
  padding:28px 56px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
}
.footer-row{display:flex;align-items:center;gap:18px}
.footer-logo{color:#fff;font-size:1.1rem}
.footer-row p{font-size:.84rem;color:rgba(255,255,255,.7)}
.footer-ig{
  display:flex;align-items:center;gap:8px;font-family:"Jost",sans-serif;
  font-size:.82rem;letter-spacing:.04em;color:rgba(255,255,255,.75);
  transition:color .3s;
}
.footer-ig:hover{color:var(--yellow)}

/* ========== RESPONSIVE ========== */
@media (max-width:900px){
  .header{padding:16px 22px}
  .nav{display:none}
  .hero-title{font-size:clamp(1.85rem,7.4vw,2.6rem)}
  .hero{grid-template-columns:1fr}
  .hero-left{padding:48px 26px 36px}
  .hero-right img{min-height:280px}
  .service{padding:72px 24px}
  .service-grid{grid-template-columns:1fr;gap:48px}
  .sec-head-row{margin-bottom:40px}
  .recruit{grid-template-columns:1fr}
  .recruit-img img{min-height:280px}
  .recruit-body{padding:44px 26px}
  .about{padding:80px 24px}
  .contact{padding:72px 24px}
  .contact-row{align-items:flex-start}
  .footer{padding:24px 22px}
}
@media (max-width:600px){
  .logo-text small{display:none}
  .btn-contact{padding:11px 20px;font-size:.72rem}
}
@media (max-width:480px){
  .demo-banner{justify-content:space-between;gap:8px;font-size:12px;padding:0 14px}
  .demo-banner__text{display:none}
  .demo-banner__link{padding:5px 12px;font-size:12px}
  .demo-banner__tag{font-size:10.5px}
}