:root{
  --navy:#17334f;
  --navy2:#24445f;
  --text:#213547;
  --muted:#5f6c76;
  --paper:#f6f3ed;
  --line:#d8d5cf;
  --red:#a44e3d;
  --white:#fff;
  --max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  background:#fff;
  font-family:"Noto Sans JP",sans-serif;
  line-height:1.9;
  letter-spacing:.02em;
}
img{display:block;width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(calc(100% - 48px),var(--max));margin:0 auto}

.site-header{
  height:72px;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid #e8e8e8;
  position:sticky;
  top:0;
  z-index:20;
}
.header-inner{
  width:min(calc(100% - 48px),var(--max));
  height:100%;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.logo,.footer-logo{
  font-size:24px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--navy);
}
.nav{display:flex;gap:40px;font-size:14px}
.nav a{transition:opacity .2s}
.nav a:hover{opacity:.55}

.hero{
  position:relative;
  min-height:600px;
  overflow:hidden;
  background:#f5f2ec;
}
.hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(248,246,241,.96) 0%,rgba(248,246,241,.90) 28%,rgba(248,246,241,.40) 50%,rgba(248,246,241,.03) 75%);
}
.hero-content{
  position:relative;
  z-index:2;
  min-height:600px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
}
.eyebrow{
  margin:0 0 24px;
  font-size:12px;
  letter-spacing:.28em;
  color:#355775;
  font-weight:500;
}
.hero h1,.section h2,.service h2,.company h2,.contact h2{
  font-family:"Noto Serif JP",serif;
  font-weight:500;
  color:var(--navy);
}
.hero h1{
  margin:0 0 30px;
  font-size:clamp(42px,5vw,72px);
  line-height:1.4;
  letter-spacing:.05em;
}
.hero-copy{
  margin:0;
  max-width:660px;
  font-size:16px;
  line-height:2;
}

.section{padding:90px 0}
.section-head{
  display:grid;
  grid-template-columns:280px 1fr;
  align-items:end;
  gap:60px;
  margin-bottom:42px;
}
.section h2,.company h2{
  margin:0;
  font-size:40px;
  line-height:1.3;
}
.section-intro{margin:0;font-size:15px;color:#4e5e6b}

.cards{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.card img{
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:2px;
}
.card h3{
  margin:18px 0 10px;
  font-size:18px;
  color:var(--navy);
}
.card p{
  margin:0;
  color:var(--muted);
  font-size:14px;
  line-height:1.9;
}

.service{
  background:var(--paper);
  overflow:hidden;
}
.service-inner{
  display:grid;
  grid-template-columns:1fr 1.18fr;
  align-items:stretch;
  max-width:1440px;
  margin:0 auto;
}
.service-copy{
  padding:90px max(60px,calc((100vw - var(--max))/2));
  padding-right:70px;
}
.service h2{
  font-size:44px;
  margin:0 0 30px;
  letter-spacing:.04em;
}
.service h2 span{color:var(--red)}
.service-copy p:not(.eyebrow){font-size:15px;color:#4f5e68;margin:0 0 16px}
.service-image-wrap{min-height:470px}
.service-image-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.company{
  display:grid;
  grid-template-columns:280px 1fr;
  gap:60px;
  align-items:start;
}
.company-table{margin:0;border-top:1px solid var(--line)}
.company-table div{
  display:grid;
  grid-template-columns:150px 1fr;
  border-bottom:1px solid var(--line);
}
.company-table dt,.company-table dd{
  margin:0;
  padding:16px 20px;
  font-size:14px;
}
.company-table dt{
  background:#f7f6f3;
  color:#56616b;
  border-right:1px solid var(--line);
}
.company-table dd{color:#30414f}


footer{padding:34px 0;background:#fff}
.footer-inner{
  display:grid;
  grid-template-columns:1fr auto auto;
  align-items:center;
  gap:40px;
}
.footer-inner p{font-size:11px;margin:4px 0 0;color:#67737d}
.footer-nav{display:flex;gap:24px;font-size:12px;color:#52606c}
footer small{font-size:10px;color:#8a949c}

@media (max-width:900px){
  .nav{gap:18px;font-size:12px}
  .hero,.hero-content{min-height:540px}
  .hero-bg{object-position:66% center}
  .hero-overlay{
    background:linear-gradient(90deg,rgba(248,246,241,.98) 0%,rgba(248,246,241,.92) 46%,rgba(248,246,241,.25) 100%);
  }
  .section-head,.company{grid-template-columns:1fr;gap:24px}
  .cards{grid-template-columns:1fr}
  .service-inner{grid-template-columns:1fr}
  .service-copy{padding:70px 24px 50px}
  .service-image-wrap{min-height:340px}
  .contact-inner{flex-direction:column;align-items:flex-start}
  .footer-inner{grid-template-columns:1fr;gap:16px}
}

@media (max-width:640px){
  .wrap,.header-inner{width:min(calc(100% - 32px),var(--max))}
  .site-header{height:64px}
  .nav a:nth-child(2),.nav a:nth-child(3){display:none}
  .nav{gap:16px}
  .hero,.hero-content{min-height:500px}
  .hero-bg{object-position:72% center}
  .hero-overlay{
    background:linear-gradient(90deg,rgba(248,246,241,.98) 0%,rgba(248,246,241,.92) 62%,rgba(248,246,241,.40) 100%);
  }
  .hero h1{font-size:38px}
  .hero-copy{font-size:14px}
  .pc-only{display:none}
  .section{padding:64px 0}
  .section h2,.company h2{font-size:34px}
  .service h2{font-size:38px}
  .company-table div{grid-template-columns:110px 1fr}
  .company-table dt,.company-table dd{padding:14px 12px}
  .contact{min-height:390px}
  .contact-button{width:100%}
}


.contact-form-section{
  background:#314b5f;
  color:#fff;
  padding:86px 0 96px;
}
.contact-form-inner{
  max-width:880px;
}
.contact-heading{
  text-align:center;
  margin-bottom:34px;
}
.contact-heading h2{
  color:#fff;
  margin:0 0 14px;
  font-family:"Noto Serif JP",serif;
  font-weight:500;
  font-size:40px;
}
.contact-heading p:not(.eyebrow){
  margin:0 auto;
  max-width:680px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.9);
}
.contact-form{
  background:#fff;
  color:var(--text);
  border-radius:18px;
  padding:34px 34px 22px;
  box-shadow:0 16px 40px rgba(0,0,0,.12);
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.contact-form label{
  display:block;
  margin-bottom:18px;
}
.contact-form label > span{
  display:block;
  margin-bottom:8px;
  font-size:13px;
  font-weight:500;
  color:#243746;
}
.required{
  color:#c65c52;
  margin-left:2px;
}
.contact-form input,
.contact-form textarea{
  width:100%;
  border:1px solid #cfd6dc;
  border-radius:8px;
  padding:14px 15px;
  font:inherit;
  color:#243746;
  background:#fff;
  outline:none;
  transition:border-color .2s, box-shadow .2s;
}
.contact-form input:focus,
.contact-form textarea:focus{
  border-color:#70879a;
  box-shadow:0 0 0 3px rgba(73,101,123,.10);
}
.contact-form textarea{
  resize:vertical;
  min-height:150px;
}
.form-actions{
  display:flex;
  justify-content:flex-end;
  margin-top:6px;
}
.form-actions button{
  min-width:170px;
  height:52px;
  border:0;
  border-radius:28px;
  background:#111;
  color:#fff;
  font:inherit;
  font-size:14px;
  font-weight:600;
  cursor:pointer;
}
.form-actions button span{
  margin-left:18px;
}
.form-note{
  margin:12px 0 0;
  font-size:10px;
  color:#99a2aa;
}

@media (max-width:640px){
  .contact-form-section{padding:68px 0 76px}
  .contact-form{padding:24px 20px 18px}
  .form-grid{grid-template-columns:1fr;gap:0}
  .form-actions{justify-content:stretch}
  .form-actions button{width:100%}
}