/* =========================================================
   K's CREATE - style.css
   ========================================================= */

:root{
  --c-bg:#ffffff;
  --c-bg-soft:#f6f6f3;
  --c-bg-line:#ececea;
  --c-text:#1a1f2b;
  --c-text-sub:#5b6473;
  --c-text-mute:#8b94a3;
  --c-line:#e3e3df;
  --c-navy:#1d2a44;
  --c-navy-d:#141d31;
  --c-accent:#c08a3e;
  --c-accent-d:#a87328;
  --c-white:#ffffff;
  --ff-jp:"Zen Kaku Gothic New","Noto Sans JP",sans-serif;
  --ff-body:"Noto Sans JP","Zen Kaku Gothic New",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--ff-body);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.8;
  font-size:15px;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}

.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.0);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 1px 0 var(--c-line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;
}
.logo{display:flex;align-items:baseline;gap:6px;color:var(--c-white);transition:color .3s}
.site-header.scrolled .logo{color:var(--c-navy)}
.logo-mark{
  font-family:var(--ff-jp);font-weight:900;font-size:24px;letter-spacing:.02em;
  color:var(--c-accent);
}
.logo-text{font-family:var(--ff-jp);font-weight:700;font-size:14px;letter-spacing:.2em}

.nav-pc{display:none}

.nav-toggle{
  width:40px;height:36px;background:transparent;border:0;position:relative;cursor:pointer;
}
.nav-toggle span{
  display:block;width:26px;height:2px;background:var(--c-white);
  position:absolute;left:7px;transition:all .3s var(--ease);
}
.nav-toggle span:nth-child(1){top:11px}
.nav-toggle span:nth-child(2){top:17px}
.nav-toggle span:nth-child(3){top:23px}
.site-header.scrolled .nav-toggle span{background:var(--c-navy)}
.nav-toggle.on span{background:var(--c-navy)}
.nav-toggle.on span:nth-child(1){top:17px;transform:rotate(45deg)}
.nav-toggle.on span:nth-child(2){opacity:0}
.nav-toggle.on span:nth-child(3){top:17px;transform:rotate(-45deg)}

.nav-sp{
  position:fixed;top:0;left:0;right:0;
  background:var(--c-white);
  padding:90px 32px 40px;
  transform:translateY(-110%);
  transition:transform .4s var(--ease);
  display:flex;flex-direction:column;gap:4px;
  border-bottom:1px solid var(--c-line);
}
.nav-sp.on{transform:translateY(0)}
.nav-sp a{
  display:block;padding:18px 0;font-weight:500;font-size:15px;
  border-bottom:1px solid var(--c-bg-line);
}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:100vh;min-height:100svh;
  display:flex;align-items:center;
  color:var(--c-white);overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-img{
  width:100%;height:100%;object-fit:cover;
  animation:heroZoom 16s ease-out forwards;
}
@keyframes heroZoom{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,29,49,.55) 0%,rgba(20,29,49,.65) 60%,rgba(20,29,49,.8) 100%);
}
.hero-content{
  position:relative;z-index:1;
  padding:120px 24px 100px;width:100%;max-width:1180px;margin:0 auto;
}
.hero-sub-en{
  font-family:var(--ff-jp);font-size:12px;letter-spacing:.3em;
  color:var(--c-accent);margin-bottom:24px;
  opacity:0;transform:translateY(20px);
  animation:fadeUp .9s var(--ease) .3s forwards;
}
.hero-title{
  font-family:var(--ff-jp);font-weight:900;
  font-size:30px;line-height:1.5;letter-spacing:.02em;
  margin-bottom:24px;
}
.hero-title span{
  display:block;opacity:0;transform:translateY(24px);
  animation:fadeUp 1s var(--ease) forwards;
}
.hero-title span:nth-child(1){animation-delay:.5s}
.hero-title span:nth-child(2){animation-delay:.7s}
.hero-sub{
  font-size:14px;line-height:2;margin-bottom:40px;
  opacity:0;transform:translateY(20px);
  animation:fadeUp 1s var(--ease) .9s forwards;
  color:rgba(255,255,255,.92);
}
.hero-cta{
  display:flex;flex-direction:column;gap:12px;
  opacity:0;transform:translateY(20px);
  animation:fadeUp 1s var(--ease) 1.1s forwards;
}
@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:12px;
  padding:18px 32px;font-weight:700;font-size:14px;letter-spacing:.05em;
  border-radius:2px;transition:all .3s var(--ease);
  font-family:var(--ff-jp);
}
.btn svg{width:18px;height:18px;transition:transform .3s var(--ease)}
.btn:hover svg{transform:translateX(6px)}
.btn-primary{background:var(--c-accent);color:var(--c-white)}
.btn-primary:hover{background:var(--c-accent-d)}
.btn-ghost{background:transparent;color:var(--c-white);border:1px solid rgba(255,255,255,.5)}
.btn-ghost:hover{background:var(--c-white);color:var(--c-navy);border-color:var(--c-white)}

.hero-scroll{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-family:var(--ff-jp);font-size:10px;letter-spacing:.3em;
  color:rgba(255,255,255,.7);
}
.hero-scroll i{
  width:1px;height:48px;background:rgba(255,255,255,.4);position:relative;overflow:hidden;
}
.hero-scroll i::after{
  content:"";position:absolute;top:-48px;left:0;width:1px;height:48px;
  background:var(--c-white);animation:scrollLine 2.4s ease-in-out infinite;
}
@keyframes scrollLine{0%{top:-48px}60%{top:48px}100%{top:48px}}

/* ---------- common section ---------- */
section{padding:80px 0}
.section-head{margin-bottom:48px}
.section-label{
  font-family:var(--ff-jp);font-size:11px;letter-spacing:.3em;
  color:var(--c-accent);margin-bottom:16px;font-weight:700;
}
.section-label.light{color:var(--c-accent)}
.section-title{
  font-family:var(--ff-jp);font-weight:900;
  font-size:26px;line-height:1.5;letter-spacing:.02em;color:var(--c-navy);
}
.section-lead{
  margin-top:20px;font-size:14px;color:var(--c-text-sub);line-height:2;
}

.fade-in{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.fade-in.on{opacity:1;transform:translateY(0)}

/* ---------- about ---------- */
.about{background:var(--c-white)}
.about-grid{display:flex;flex-direction:column;gap:40px}
.about-text p{margin-bottom:20px;font-size:15px;line-height:2.1;color:var(--c-text-sub)}
.about-text p:last-child{margin-bottom:0}
.about-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:8px;
  padding:32px 16px;background:var(--c-bg-soft);
  border-left:3px solid var(--c-accent);
}
.stat{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px}
.stat-num{
  font-family:var(--ff-jp);font-weight:900;
  font-size:28px;color:var(--c-navy);line-height:1;
}
.stat-num small{font-size:13px;margin-left:2px;font-weight:700}
.stat-label{font-size:10px;color:var(--c-text-mute);letter-spacing:.05em}

/* ---------- service ---------- */
.service{background:var(--c-bg-soft)}
.service-grid{display:grid;grid-template-columns:1fr;gap:16px}
.service-card{
  background:var(--c-white);padding:32px 24px;
  border:1px solid var(--c-line);transition:all .4s var(--ease);
  position:relative;overflow:hidden;
}
.service-card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:100%;
  background:var(--c-accent);transform:scaleY(0);transform-origin:top;
  transition:transform .4s var(--ease);
}
.service-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(20,29,49,.08)}
.service-card:hover::before{transform:scaleY(1)}
.service-icon{
  width:48px;height:48px;color:var(--c-accent);margin-bottom:20px;
}
.service-icon svg{width:100%;height:100%}
.service-card h3{
  font-family:var(--ff-jp);font-weight:700;font-size:18px;
  color:var(--c-navy);margin-bottom:12px;letter-spacing:.02em;
}
.service-card p{font-size:13px;line-height:1.9;color:var(--c-text-sub)}

/* ---------- reason ---------- */
.reason{background:var(--c-white)}
.reason-list{display:flex;flex-direction:column;gap:0}
.reason-item{
  display:flex;gap:20px;padding:28px 0;
  border-bottom:1px solid var(--c-line);
}
.reason-item:first-child{border-top:1px solid var(--c-line)}
.reason-num{
  font-family:var(--ff-jp);font-weight:900;font-size:22px;
  color:var(--c-accent);letter-spacing:.05em;flex-shrink:0;line-height:1.5;
}
.reason-item h3{
  font-family:var(--ff-jp);font-weight:700;font-size:17px;
  color:var(--c-navy);margin-bottom:8px;
}
.reason-item p{font-size:13px;line-height:1.9;color:var(--c-text-sub)}

/* ---------- works ---------- */
.works{background:var(--c-bg-soft)}
.works-grid{display:grid;grid-template-columns:1fr;gap:16px}
.works-item{position:relative;overflow:hidden;background:var(--c-navy)}
.works-item img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .8s var(--ease),opacity .4s;
}
.works-item:hover img{transform:scale(1.08);opacity:.85}
.works-note{
  margin-top:24px;font-size:12px;line-height:1.9;color:var(--c-text-mute);
}
.works-item figcaption{
  position:absolute;left:16px;bottom:16px;
  background:rgba(20,29,49,.9);color:var(--c-white);
  padding:8px 14px;font-size:12px;font-weight:700;letter-spacing:.05em;
  font-family:var(--ff-jp);
}

/* ---------- company ---------- */
.company{background:var(--c-bg-soft)}
.company-grid{display:flex;flex-direction:column;gap:24px}
.company-table dl{
  display:grid;grid-template-columns:1fr;gap:0;
  background:var(--c-white);
}
.company-table dt{
  padding:18px 20px 8px;font-size:11px;letter-spacing:.1em;
  color:var(--c-accent);font-weight:700;font-family:var(--ff-jp);
  border-top:1px solid var(--c-line);
}
.company-table dt:first-child{border-top:0}
.company-table dd{
  padding:0 20px 18px;font-size:14px;line-height:1.8;color:var(--c-text);
}
.company-map img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- contact ---------- */
.contact{
  background:var(--c-navy);color:var(--c-white);padding:80px 0;
  position:relative;overflow:hidden;
}
.contact::before{
  content:"";position:absolute;right:-100px;top:-100px;width:300px;height:300px;
  border:1px solid rgba(192,138,62,.2);border-radius:50%;
}
.contact::after{
  content:"";position:absolute;left:-80px;bottom:-80px;width:200px;height:200px;
  border:1px solid rgba(192,138,62,.15);border-radius:50%;
}
.contact-inner{position:relative;z-index:1;text-align:center}
.contact-title{
  font-family:var(--ff-jp);font-weight:900;
  font-size:26px;line-height:1.5;margin-bottom:20px;letter-spacing:.02em;
}
.contact-lead{
  font-size:14px;line-height:2;color:rgba(255,255,255,.85);margin-bottom:40px;
}
.contact-grid{display:flex;flex-direction:column;gap:16px;max-width:560px;margin:0 auto}
.contact-card{
  display:flex;flex-direction:column;gap:6px;text-align:center;
  padding:28px 24px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.15);transition:all .3s var(--ease);
}
.contact-card:hover{background:rgba(255,255,255,.1);border-color:var(--c-accent)}
.contact-card-static{cursor:default}
.contact-card-static:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.15)}
.contact-card-label{
  font-size:11px;letter-spacing:.2em;color:var(--c-accent);font-weight:700;font-family:var(--ff-jp);
}
.contact-card-main{
  font-family:var(--ff-jp);font-weight:900;font-size:20px;letter-spacing:.02em;
}
.contact-card-sub{font-size:11px;color:rgba(255,255,255,.6);letter-spacing:.05em}

/* ---------- footer ---------- */
.site-footer{background:var(--c-navy-d);color:rgba(255,255,255,.7);padding:48px 0 24px}
.footer-grid{display:flex;flex-direction:column;gap:32px;margin-bottom:32px}
.footer-logo{font-family:var(--ff-jp);font-weight:700;font-size:14px;letter-spacing:.2em;color:var(--c-white);margin-bottom:12px}
.footer-logo span{color:var(--c-accent);font-size:22px;font-weight:900;margin-right:4px}
.footer-name{font-size:13px;color:var(--c-white);margin-bottom:8px;font-weight:700}
.footer-addr{font-size:12px;line-height:1.8}
.footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}
.footer-nav a{font-size:12px;padding:6px 0;transition:color .3s}
.footer-nav a:hover{color:var(--c-accent)}
.copyright{
  text-align:center;font-size:11px;letter-spacing:.1em;
  padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  color:rgba(255,255,255,.4);
}

/* =========================================================
   PC layout
   ========================================================= */
@media (min-width:768px){
  body{font-size:16px}
  .container{padding:0 40px}

  .header-inner{padding:20px 40px}
  .nav-pc{
    display:flex;align-items:center;gap:32px;
  }
  .nav-pc a{
    font-size:13px;font-weight:500;color:var(--c-white);letter-spacing:.05em;
    transition:color .3s;font-family:var(--ff-jp);
  }
  .nav-pc a:hover{color:var(--c-accent)}
  .site-header.scrolled .nav-pc a{color:var(--c-navy)}
  .site-header.scrolled .nav-pc a:hover{color:var(--c-accent)}
  .nav-toggle,.nav-sp{display:none}

  .hero-title{font-size:54px;line-height:1.4}
  .hero-sub{font-size:16px}
  .hero-sub-en{font-size:13px}
  .hero-cta{flex-direction:row;gap:16px}

  section{padding:120px 0}
  .section-title{font-size:38px}
  .section-head{margin-bottom:64px}
  .section-lead{font-size:15px;max-width:680px}

  .about-grid{flex-direction:row;gap:64px;align-items:start}
  .about-text{flex:1.4}
  .about-stats{flex:1;flex-direction:column;display:flex;gap:24px;padding:40px 32px}
  .stat{flex-direction:row;align-items:baseline;justify-content:flex-start;gap:16px;text-align:left;width:100%}
  .stat-num{font-size:42px}
  .stat-label{font-size:12px}

  .service-grid{grid-template-columns:repeat(3,1fr);gap:24px}
  .service-card{padding:40px 32px}
  .service-card h3{font-size:20px}
  .service-card p{font-size:14px}

  .reason-item{gap:48px;padding:36px 0}
  .reason-num{font-size:32px}
  .reason-item h3{font-size:20px;margin-bottom:10px}
  .reason-item p{font-size:14px}

  .works-grid{grid-template-columns:repeat(3,1fr);gap:24px}

  .company-grid{flex-direction:row;gap:40px}
  .company-table{flex:1}
  .company-map{flex:1}
  .company-table dl{grid-template-columns:140px 1fr}
  .company-table dt{
    padding:24px 24px;border-top:1px solid var(--c-line);
    border-right:1px solid var(--c-line);background:var(--c-bg-soft);
    display:flex;align-items:center;
  }
  .company-table dt:first-child{border-top:1px solid var(--c-line)}
  .company-table dd{padding:24px 28px;border-top:1px solid var(--c-line)}
  .company-map img{height:100%;aspect-ratio:auto}

  .contact{padding:120px 0}
  .contact-title{font-size:40px}
  .contact-grid{flex-direction:row;max-width:none}
  .contact-card{flex:1;padding:36px 32px}
  .contact-card-main{font-size:24px}

  .footer-grid{flex-direction:row;justify-content:space-between;align-items:start;gap:80px}
  .footer-nav{grid-template-columns:1fr;gap:6px;text-align:right}
}

/* narrow tablet: keep PC nav from touching the logo */
@media (min-width:768px) and (max-width:919px){
  .nav-pc{gap:20px}
  .nav-pc a{font-size:12px}
  .header-inner{padding:20px 24px}
}