:root {
  --orange:#f07800;
  --green:#20b638;
  --black:#05101e;
  --bg:#f7f7f7;
  --line:#e6e6e6;
  --top-img:url("https://images.unsplash.com/photo-1600585154340-be6161a56a0c?auto=format&fit=crop&w=1800&q=85");
  --sell-img:url("https://images.unsplash.com/photo-1600566753190-17f0baa2a6c3?auto=format&fit=crop&w=1800&q=85");
  --buy-img:url("https://images.unsplash.com/photo-1616486338812-3dadae4b4ace?auto=format&fit=crop&w=1800&q=85");
  --company-img:url("https://images.unsplash.com/photo-1497366811353-6870744d04b2?auto=format&fit=crop&w=1800&q=85");
  --contact-img:url("https://images.unsplash.com/photo-1552566626-52f8b828add9?auto=format&fit=crop&w=1800&q=85");
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  color:#111;
  line-height:1.8;
  background:#fff;
}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.site-header{
  background:var(--black);
  color:#fff;
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:0 1px 0 rgba(255,255,255,.08);
}
.header-inner{min-height:80px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:12px;min-width:220px}
.logo img{width:60px;height:60px;object-fit:contain}
.logo strong{font-size:22px;font-weight:900;letter-spacing:.06em;white-space:nowrap}
.nav{display:flex;gap:18px;flex:1;font-size:12px;font-weight:900;white-space:nowrap}
.nav a{color:#fff;padding:9px 0;border-bottom:2px solid transparent}
.nav a.active,.nav a:hover{color:var(--orange);border-bottom-color:var(--orange)}
.header-contact{display:flex;align-items:center;gap:9px}
.tel{font-size:21px;font-weight:900;white-space:nowrap}
.tel small{display:block;font-size:10px;color:#ccc;font-weight:600}
.header-btn{padding:9px 13px;color:#fff;border-radius:3px;font-size:12px;font-weight:900;white-space:nowrap}
.header-btn.green{background:var(--green)}
.header-btn.orange{background:var(--orange)}

.hero,.page-hero{position:relative;color:#fff;background:#111 center/cover no-repeat;overflow:hidden}
.hero{min-height:620px;background-image:linear-gradient(90deg,rgba(3,10,20,.92) 0%,rgba(3,10,20,.70) 42%,rgba(3,10,20,.14) 82%),var(--top-img)}
.sell-hero{background-image:linear-gradient(90deg,rgba(3,10,20,.90),rgba(3,10,20,.62),rgba(3,10,20,.14)),var(--sell-img)}
.buy-hero{background-image:linear-gradient(90deg,rgba(3,10,20,.90),rgba(3,10,20,.62),rgba(3,10,20,.14)),var(--buy-img)}
.company-hero{background-image:linear-gradient(90deg,rgba(3,10,20,.92),rgba(3,10,20,.66),rgba(3,10,20,.16)),var(--company-img)}
.faq-hero{background-image:linear-gradient(90deg,rgba(3,10,20,.90),rgba(3,10,20,.62),rgba(3,10,20,.14)),var(--sell-img)}
.contact-hero{background-image:linear-gradient(90deg,rgba(3,10,20,.92),rgba(3,10,20,.66),rgba(3,10,20,.16)),var(--contact-img)}
.hero .wrap{padding-top:112px;padding-bottom:72px}
.page-hero{min-height:360px}
.page-hero .wrap{padding-top:82px;padding-bottom:72px}
.eyebrow{color:var(--orange);font-weight:900;letter-spacing:.32em;font-size:14px;margin-bottom:16px}
h1{font-size:clamp(38px,5vw,62px);line-height:1.32;margin:0 0 22px;font-weight:900;letter-spacing:.035em}
.orange-text{color:var(--orange)}
.lead{max-width:700px;color:rgba(255,255,255,.95);font-size:17px;font-weight:700;margin:0 0 30px}
.btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:190px;
  padding:14px 22px;
  border-radius:3px;
  border:1px solid #fff;
  background:#fff;
  color:#111;
  text-align:center;
  line-height:1.55;
  font-weight:900;
  font-size:14px;
  box-shadow:0 10px 24px rgba(0,0,0,.16);
}
.btn.orange{background:var(--orange);border-color:var(--orange);color:#fff}
.btn.green{background:var(--green);border-color:var(--green);color:#fff}
.btn.black{background:#111;border-color:#111;color:#fff}
section{padding:72px 0}
.bg{background:var(--bg)}
.section-head{text-align:center;margin-bottom:38px}
.section-head .en{color:var(--orange);font-weight:900;letter-spacing:.26em;font-size:14px}
.section-head h2{font-size:30px;margin:4px 0 0;line-height:1.45}
.section-head p{color:#555;max-width:760px;margin:12px auto 0}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.reason-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.reason-card{text-align:center;padding:10px 34px;border-right:1px solid var(--line)}
.reason-card:last-child{border-right:0}
.reason-card .num{color:var(--orange);font-family:Georgia,serif;font-size:38px;line-height:1;margin-bottom:16px}
.reason-card h3{font-size:20px;margin:0 0 10px}
.reason-card p{font-size:14px;color:#444;margin:0}
.card{background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(0,0,0,.05);padding:28px}
.card h3{font-size:22px;margin:0 0 10px}
.card p{color:#555;margin:0 0 18px}
.photo{height:136px;margin:-28px -28px 18px;background:center/cover no-repeat}
.photo.top{background-image:var(--top-img)}
.photo.sell{background-image:var(--sell-img)}
.photo.living{background-image:var(--buy-img)}
.photo.lounge{background-image:var(--contact-img)}
.service-card{min-height:260px;color:#fff;background:center/cover no-repeat;position:relative;overflow:hidden;padding:34px}
.service-card:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.84),rgba(0,0,0,.30))}
.service-card.sell{background-image:var(--sell-img)}
.service-card.buy{background-image:var(--buy-img)}
.service-card>*{position:relative;z-index:1}
.service-card h3{color:var(--orange);font-size:25px;margin:0 0 10px}
.service-card ul{padding-left:20px;margin:0 0 18px}
.flow-section{background:#111;color:#fff}
.flow{display:grid;grid-template-columns:repeat(5,1fr)}
.flow-item{text-align:center;padding:28px 14px;border-right:1px solid rgba(255,255,255,.14)}
.flow-item:last-child{border-right:0}
.step{font-family:Georgia,serif;font-size:31px;color:var(--orange)}
.flow-item h3{font-size:18px;margin:10px 0 6px}
.flow-item p{font-size:13px;color:rgba(255,255,255,.76);margin:0}

.company-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px}
.message{background:#f2f2f2;padding:30px}
.representative-photo{background:#fff;border:1px solid var(--line);padding:12px;margin-bottom:18px;text-align:center}
.representative-photo img{width:auto;max-width:100%;height:auto;max-height:430px;object-fit:contain;display:block;margin:0 auto}
.office-photo{height:180px;background:var(--company-img) center/cover no-repeat;border:1px solid var(--line);margin-top:18px}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{border-bottom:1px solid var(--line);padding:14px;text-align:left;vertical-align:top}
th{width:32%;font-size:13px;color:#666}
.map{margin-top:24px}
.qa-wrap{max-width:980px;margin:0 auto}
.qa-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:38px}
.qa-mini{background:#fff;border:1px solid var(--line);padding:22px}
.qa-mini h3{color:var(--orange);margin:0 0 10px}
.qa-item{background:#fff;border-bottom:1px solid var(--line);padding:18px 22px}
.q{font-weight:900;margin:0}
.q span,.a span{color:var(--orange);margin-right:8px}
.a{color:#555;margin:6px 0 0}
.contact-section{background:#111;color:#fff}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.contact-card{background:#fff;color:#111;text-align:center;border:1px solid var(--line);padding:32px 24px}
.big{font-size:28px;font-weight:900}
.form-area{max-width:820px;margin:34px auto 0;background:#fff;border:1px solid var(--line);padding:30px}
.area-list{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.area-list span{border:1px solid var(--line);padding:9px 16px;border-radius:999px;background:#fff;font-weight:800}
footer{background:#070707;color:#bbb;padding:28px 0;font-size:13px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px}
.footer-title{font-size:22px;color:#fff;font-weight:900;letter-spacing:.08em}
footer h4{color:var(--orange);margin:0 0 10px}
footer p,footer a{margin:0;color:#ccc;font-size:13px}
.copy{text-align:center;border-top:1px solid rgba(255,255,255,.08);margin-top:24px;padding-top:18px;color:#888}
@media(max-width:980px){
  .header-inner{height:auto;display:block;padding:12px 0}
  .logo img{width:74px;height:74px}
  .nav{overflow-x:auto;white-space:nowrap;padding:8px 0}
  .header-contact{flex-wrap:wrap;margin-top:8px}
  h1{font-size:36px}
  .hero{min-height:auto}
  .hero .wrap{padding-top:72px}
  .reason-grid,.grid2,.grid4,.flow,.company-grid,.qa-grid,.contact-cards,.footer-grid{grid-template-columns:1fr}
  .reason-card{border-right:0;border-bottom:1px solid var(--line)}
  .flow-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.14)}
}



/* ===== Mobile header update ===== */
@media(max-width:980px){
  .site-header{
    position:relative;
  }
  .header-inner{
    padding:14px 16px 16px;
  }
  .logo{
    min-width:0;
    gap:10px;
    margin-bottom:8px;
  }
  .logo img{
    width:56px;
    height:56px;
  }
  .logo strong{
    font-size:22px;
    letter-spacing:.05em;
  }
  .nav{
    display:flex;
    gap:18px;
    overflow-x:auto;
    white-space:nowrap;
    padding:8px 0 10px;
    font-size:14px;
    scrollbar-width:none;
  }
  .nav::-webkit-scrollbar{
    display:none;
  }
  .header-contact{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:10px;
    align-items:stretch;
    margin-top:8px;
  }
  .tel{
    grid-column:1 / -1;
    font-size:26px;
    line-height:1.2;
  }
  .tel small{
    font-size:12px;
    margin-top:4px;
  }
  .header-btn{
    display:flex;
    justify-content:center;
    align-items:center;
    min-height:52px;
    font-size:15px;
    padding:12px 10px;
  }
  .hero .wrap{
    padding-top:54px;
  }
}

@media(max-width:520px){
  .wrap{
    padding:0 20px;
  }
  .logo img{
    width:52px;
    height:52px;
  }
  .logo strong{
    font-size:20px;
  }
  .nav{
    font-size:13px;
    gap:16px;
  }
  .tel{
    font-size:24px;
  }
  .tel small{
    font-size:11px;
  }
  .header-btn{
    font-size:14px;
    min-height:50px;
  }
  h1{
    font-size:42px;
  }
  .lead{
    font-size:17px;
    line-height:1.9;
  }
  .btn{
    width:100%;
    min-width:0;
  }
}