*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}

:root{
  --navy:#1a3a6e;
  --navy-dark:#0a1e3d;
  --accent:#c8a84e;
  --accent-line:#1a3a6e;
  --text:#222;
  --text-sub:#222;
  --text-muted:#333;
  --bg:#fff;
  --bg-light:#f8f8f6;
  --max-w:1200px;
  --font-display:'Shippori Mincho',serif;
  --font-body:'Noto Sans JP',sans-serif;
  --font-en:'Cormorant Garamond',serif;
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  color:var(--text);line-height:1.9;font-size:15px;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;background:var(--bg);
}
a{color:inherit;text-decoration:none;transition:.3s}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max-w);margin:0 auto;padding:0 60px}

/* Reveal */
@keyframes revealUp{from{opacity:0;transform:translateY(40px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(40px)}
.reveal.visible{animation:revealUp .8s cubic-bezier(.22,1,.36,1) forwards}

/* Header */
.header{
  position:sticky;top:0;width:100%;z-index:1010;
  background:#0a1e3d;height:80px;display:flex;align-items:center;
  border-bottom:2px solid #d4a017;
  transition:height .3s;
}
.header.scrolled{height:64px}
.header-inner{
  width:100%;max-width:1400px;margin:0 auto;
  display:flex;align-items:center;padding:0 60px;
}
.logo-group{flex-shrink:0;margin-right:auto}
.logo-group a{display:flex;align-items:center;gap:14px}
.logo-mark{
  width:44px;height:44px;flex-shrink:0;
  border-radius:50%;
  transition:width .3s, height .3s;
}
.header.scrolled .logo-mark{width:36px;height:36px}
.logo-main{
  font-size:1.3rem;font-weight:900;color:#fff;
  letter-spacing:.04em;
  transition:font-size .3s;
}
.header.scrolled .logo-main{font-size:1.1rem}
.gnav{display:flex;align-items:center;gap:0}
.gnav-link{
  display:block;padding:0 24px;
  font-size:1.05rem;font-weight:500;color:#fff;
  letter-spacing:.08em;position:relative;
  white-space:nowrap;
}
.gnav-link::after{
  content:"";position:absolute;bottom:-2px;left:50%;
  width:0;height:2px;background:#d4a017;
  transition:all .3s;transform:translateX(-50%);
}
.gnav-link:hover{color:#fff}
.gnav-link:hover::after{width:100%}
.gnav-link.current{color:#fff}
.gnav-link.current::after{width:100%}
.hdr-cta{
  display:flex;align-items:center;gap:10px;
  margin-left:32px;padding:12px 36px;
  background:#c41e24;color:#fff;
  font-size:1.05rem;font-weight:700;letter-spacing:.08em;
  transition:all .3s;white-space:nowrap;
  border-radius:50px;
  box-shadow:inset 0 -3px 6px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.2);
}
.hdr-cta:hover{background:#a8181d;box-shadow:inset 0 -1px 3px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.15);transform:translateY(1px)}
.hdr-cta svg{width:20px;height:20px;fill:currentColor}
.hamburger{
  display:none;width:44px;height:44px;flex-direction:column;
  align-items:center;justify-content:center;gap:6px;cursor:pointer;
  flex-shrink:0;margin-left:auto;
}
.hamburger span{width:20px;height:1.5px;background:#fff;transition:.3s}
.hamburger.active span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* Mobile Nav Overlay */
.mobile-nav{
  position:fixed;inset:0;z-index:1005;
  background:linear-gradient(160deg, #0d1f3c 0%, #1a3a6e 50%, #2a5298 100%);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;
  transition:all .4s cubic-bezier(.55,0,.1,1);
}
.mobile-nav.active{opacity:1;visibility:visible}
.mobile-nav-links{
  display:flex;flex-direction:column;align-items:center;gap:0;
  width:100%;max-width:320px;
}
.mobile-nav-link{
  display:block;width:100%;text-align:center;
  padding:20px 0;
  font-size:1.2rem;font-weight:700;color:#fff;
  letter-spacing:.1em;
  border-bottom:1px solid rgba(255,255,255,.1);
  transition:all .3s;
}
.mobile-nav-link:hover{color:#d4a017}
.mobile-nav-link:first-child{border-top:1px solid rgba(255,255,255,.1)}
.mobile-nav-cta{
  margin-top:32px;
  padding:16px 48px;
  background:#c41e24;color:#fff;
  font-size:1.1rem;font-weight:700;letter-spacing:.08em;
  border-radius:50px;
  box-shadow:inset 0 -3px 6px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.2);
  transition:all .3s;
}
.mobile-nav-cta:hover{background:#a8181d}
.mobile-nav-sns{
  display:flex;gap:16px;margin-top:28px;
}
.mobile-nav-sns a{
  width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;
  transition:all .3s;
}
.mobile-nav-sns svg{width:20px;height:20px;fill:#fff}
.mobile-nav-tag{
  margin-top:40px;text-align:center;
  font-size:.75rem;color:rgba(255,255,255,.35);letter-spacing:.06em;
}
.mobile-nav-tag span{display:block;font-size:.85rem;color:rgba(255,255,255,.5);font-weight:500;margin-top:4px}

/* Section label */
.sec-label{
  font-family:var(--font-en);font-style:italic;
  font-size:1rem;font-weight:600;color:var(--navy);
  letter-spacing:.08em;margin-bottom:8px;display:block;
}
.sec-title{
  font-family:var(--font-display);
  font-size:clamp(1.3rem,2.5vw,1.7rem);font-weight:800;
  letter-spacing:.06em;color:var(--text);margin-bottom:20px;
}

/* Page Hero */
.page-hero{
  height:200px;min-height:160px;
  display:flex;align-items:center;
  color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(135deg, #1a3a6e 0%, #2a5a9e 40%, #3a6ab0 100%);
}
.page-hero-bg{position:absolute;inset:0}
.page-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.15}
.page-hero-overlay{display:none}
/* Wave effect (OCC style) */
.hero-pattern{
  position:absolute;inset:0;z-index:1;pointer-events:none;
}
.hero-pattern::before{
  content:"";position:absolute;bottom:0;left:0;right:0;
  height:100%;pointer-events:none;opacity:.15;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23d4a017' d='M0,192L48,186.7C96,181,192,171,288,186.7C384,203,480,245,576,245.3C672,245,768,203,864,181.3C960,160,1056,160,1152,176C1248,192,1344,224,1392,240L1440,256L1440,320L0,320Z'/%3E%3C/svg%3E") no-repeat bottom / 200% auto,
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23ffffff' d='M0,256L60,240C120,224,240,192,360,181.3C480,171,600,181,720,197.3C840,213,960,235,1080,229.3C1200,224,1320,192,1380,176L1440,160L1440,320L0,320Z'/%3E%3C/svg%3E") no-repeat bottom / 180% auto;
  animation:heroWave 12s ease-in-out infinite alternate;
}
.hero-pattern::after{
  content:"";position:absolute;top:0;left:0;right:0;
  height:100%;pointer-events:none;opacity:.05;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 320'%3E%3Cpath fill='%23d4a017' d='M0,96L48,112C96,128,192,160,288,154.7C384,149,480,107,576,101.3C672,96,768,128,864,149.3C960,171,1056,181,1152,165.3C1248,149,1344,107,1392,85.3L1440,64L1440,0L0,0Z'/%3E%3C/svg%3E") no-repeat top / 160% auto;
  animation:heroWave 10s ease-in-out infinite alternate-reverse;
}
@keyframes heroWave{
  0%{background-position-x:0%}
  100%{background-position-x:50%}
}
.page-hero-content{position:relative;z-index:2;width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.page-hero-en{
  font-family:var(--font-en);font-style:italic;
  font-size:.9rem;font-weight:600;color:var(--accent);
  letter-spacing:.15em;margin-bottom:10px;
}
.page-hero-title{
  font-family:var(--font-display);
  font-size:clamp(1.6rem,3.5vw,2.2rem);font-weight:800;
  letter-spacing:.1em;
}
.page-hero-title::after{
  content:"";display:block;width:40px;height:2px;
  background:var(--accent);margin:14px 0 0;
}

/* Message */
.message{padding:120px 0;position:relative;overflow:hidden}
.message::before{
  content:"Message";position:absolute;
  top:60px;right:-40px;
  font-family:var(--font-en);font-style:italic;
  font-size:clamp(6rem,12vw,10rem);font-weight:600;
  color:rgba(26,58,110,.04);letter-spacing:.05em;
  pointer-events:none;white-space:nowrap;
}
.message-grid{
  display:grid;grid-template-columns:1fr 420px;
  gap:64px;align-items:center;
}
.message-text .sec-label{color:var(--accent)}
.message-text .sec-title{
  font-size:clamp(1.5rem,3vw,2rem);
  margin-bottom:32px;
}
.message-text .sec-title::after{left:0;transform:none}
.message-body{
  font-family:var(--font-display);
  font-size:1.05rem;color:var(--text-sub);line-height:2.4;
  margin-bottom:40px;
}
.message-name{
  font-family:var(--font-display);
  font-size:1.15rem;font-weight:700;color:var(--text);
  text-align:right;letter-spacing:.08em;
  padding-top:24px;
  border-top:1px solid #e0e0e0;
}
.message-photo{
  width:100%;height:500px;
  position:relative;
}
.message-photo img{
  width:100%;height:100%;object-fit:cover;
  box-shadow:16px 16px 0 var(--accent);
}
.message-photo::before{
  content:"";position:absolute;
  top:-16px;left:-16px;width:80px;height:80px;
  border-top:3px solid var(--accent);
  border-left:3px solid var(--accent);
  z-index:1;
}

/* Company Table */
.company-info{padding:100px 0;background:var(--bg-light)}
.company-info-head{margin-bottom:48px}
.info-table{width:100%;border-collapse:collapse}
.info-table tr{border-bottom:1px solid #ddd}
.info-table tr:nth-child(even){background:rgba(0,0,0,.02)}
.info-table th{
  font-size:.9rem;font-weight:700;color:var(--navy);
  padding:20px 24px;text-align:left;width:160px;
  vertical-align:top;white-space:nowrap;
}
.info-table td{
  font-size:.9rem;color:var(--text-sub);
  padding:20px 24px;line-height:1.8;
}

/* Officers */
.officers{padding:100px 0}
.officers-head{margin-bottom:48px}
.officers-list{
  display:flex;flex-direction:column;gap:0;
  max-width:600px;
}
.officer-item{
  display:flex;align-items:center;gap:24px;
  padding:20px 0;border-bottom:1px solid #e5e5e5;
}
.officer-title{
  font-size:.85rem;font-weight:700;color:var(--navy);
  min-width:100px;
}
.officer-name{
  font-family:var(--font-display);
  font-size:1.05rem;font-weight:700;letter-spacing:.06em;
}

/* History */
.history{
  padding:100px 0;position:relative;overflow:hidden;
  background:var(--bg-light);
}
.history::after{
  content:"";position:absolute;right:-5%;top:0;bottom:0;
  width:50%;
  background:url('../img/27975197_m.jpg') center/cover no-repeat;
  opacity:.18;
  pointer-events:none;
  mask-image:linear-gradient(to right, transparent 0%, rgba(0,0,0,.5) 30%, rgba(0,0,0,1) 100%);
  -webkit-mask-image:linear-gradient(to right, transparent 0%, rgba(0,0,0,.5) 30%, rgba(0,0,0,1) 100%);
}
.history-head{margin-bottom:48px}
.history-grid{
  display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:start;
}
.history-photo{position:sticky;top:120px}
.timeline{
  max-width:800px;
  display:flex;flex-direction:column;gap:0;
  position:relative;
  padding-left:140px;
}
.timeline::before{
  content:"";position:absolute;left:120px;top:0;bottom:0;
  width:1px;background:#ccc;
}
.timeline-item{
  position:relative;padding:20px 0 20px 40px;
  border-bottom:1px solid rgba(0,0,0,.06);
}
.timeline-item::before{
  content:"";position:absolute;left:-21px;top:28px;
  width:9px;height:9px;border-radius:50%;
  background:var(--navy);border:2px solid #fff;
  box-shadow:0 0 0 2px var(--navy);
}
.timeline-year{
  position:absolute;left:-140px;top:20px;
  font-family:var(--font-en);font-style:italic;
  font-size:1.1rem;font-weight:600;color:var(--navy);
  width:100px;text-align:right;
}
.timeline-event{
  font-size:.9rem;color:var(--text-sub);line-height:1.8;
}
.timeline-note{
  text-align:center;padding:32px 0;
  font-size:.88rem;color:var(--text-muted);font-style:italic;
}

/* Access */
.access{padding:100px 0}
.access-head{margin-bottom:48px}
.access-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:48px;align-items:start;
}
.access-map{
  width:100%;height:400px;
  background:var(--bg-light);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);font-size:.9rem;
  border:1px solid #e5e5e5;
}
.access-detail h3{
  font-family:var(--font-display);
  font-size:1.1rem;font-weight:700;margin-bottom:16px;
}
.access-detail p{
  font-size:.9rem;color:var(--text-sub);line-height:2;
  margin-bottom:20px;
}
.access-info-row{
  display:flex;gap:12px;font-size:.9rem;line-height:1.9;
  margin-bottom:8px;
}
.access-info-label{
  font-weight:700;color:var(--navy);min-width:64px;flex-shrink:0;
}
.access-info-val{color:var(--text-sub)}

/* CTA */
.cta{
  padding:100px 0;position:relative;overflow:hidden;
  background:var(--navy);
}
.cta-watermark{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-family:var(--font-en);
  font-size:clamp(5rem,14vw,12rem);font-weight:600;
  color:rgba(255,255,255,.03);white-space:nowrap;pointer-events:none;
}
.cta .container{position:relative;z-index:1;text-align:center;color:#fff}
.cta .sec-label{color:var(--accent)}
.cta .sec-title{color:#fff;margin-bottom:12px}
.cta-catch{
  font-family:var(--font-display);
  font-size:clamp(1.15rem,3vw,2.2rem);font-weight:800;
  line-height:1.5;margin-bottom:40px;text-wrap:balance;
}
.cta-examples{
  max-width:700px;margin:0 auto 48px;
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px;
}
.cta-examples span{
  border:1px solid rgba(255,255,255,.25);color:rgba(255,255,255,.8);
  font-size:.85rem;padding:10px 22px;transition:border-color .3s;
}
.cta-examples span:hover{border-color:var(--accent)}
.cta-cards{
  max-width:700px;margin:0 auto 32px;
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.cta-card{
  background:rgba(255,255,255,.06);padding:36px 28px;
  border:1px solid rgba(255,255,255,.1);
}
.cta-card h3{
  font-family:var(--font-display);
  color:#fff;font-size:1.05rem;margin-bottom:10px;
}
.cta-card p{color:rgba(255,255,255,.5);font-size:.85rem;margin-bottom:24px}
.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 40px;border:1px solid #fff;color:#fff;
  font-size:.9rem;font-weight:500;letter-spacing:.06em;
  transition:all .3s;background:transparent;
}
.btn-cta:hover{background:#fff;color:var(--navy)}
.btn-cta-fill{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 40px;background:#c41e24;color:#fff;
  font-size:.9rem;font-weight:700;letter-spacing:.06em;
  border:none;transition:all .3s;
}
.btn-cta-fill:hover{background:#d4b45a}
.cta-tel{margin-top:28px}
.cta-tel .tel-note{font-size:.82rem;color:rgba(255,255,255,.4)}

/* Footer */
.footer{
  position:relative;padding:56px 60px 28px;
  color:#fff;
  border-top:3px solid var(--accent);
}
.footer::before{
  content:"";position:absolute;inset:0;
  background:url('../img/27975197_m.jpg') center/cover no-repeat;
  z-index:0;
}
.footer::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(10,30,61,.92) 0%, rgba(10,30,61,.96) 100%);
  z-index:0;
}
.footer-inner{max-width:var(--max-w);margin:0 auto;position:relative;z-index:1}
.footer-top{
  display:flex;justify-content:space-between;align-items:flex-start;
  margin-bottom:36px;
}
.footer-company .f-name{
  font-family:var(--font-display);
  font-size:1.05rem;font-weight:700;color:#fff;
  margin-bottom:10px;
}
.footer-company p{font-size:.82rem;line-height:1.9}
.footer-nav{display:flex;gap:28px}
.footer-nav a{font-size:.82rem;color:#fff;transition:color .3s}
.footer-nav a:hover{color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:20px;text-align:center;font-size:.75rem;
}

/* Page top */
.pagetop{
  position:fixed;bottom:32px;right:32px;z-index:100;
  width:48px;height:48px;background:var(--navy);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.2rem;cursor:pointer;
  opacity:0;transition:opacity .3s;pointer-events:none;
}
.pagetop.show{opacity:1;pointer-events:auto}
.pagetop:hover{background:var(--navy-dark)}

/* Responsive */
@media(max-width:768px){
  .header{height:60px}
  .header.scrolled{height:56px}
  .gnav,.hdr-cta,.header-inner>div[style]{display:none!important}
  .hamburger{display:flex;z-index:1010}
  .header-inner{padding:0 16px}
  .logo-group{flex-shrink:1;min-width:0;overflow:hidden}
  .container{padding:0 24px}
  .page-hero{height:300px;min-height:220px}
  .page-hero-title{font-size:1.6rem}
  .message{padding:60px 0}
  .message::before{display:none}
  .message-grid{grid-template-columns:1fr;gap:32px}
  .message-photo{height:300px}
  .message-photo img{box-shadow:8px 8px 0 var(--accent)}
  .message-photo::before{top:-8px;left:-8px;width:40px;height:40px}
  .company-info{padding:60px 0}
  .info-table th{display:block;width:100%;padding:16px 16px 4px;border-bottom:none}
  .info-table td{display:block;width:100%;padding:4px 16px 16px}
  .officers{padding:60px 0}
  .history{padding:60px 0}
  .history-grid{grid-template-columns:1fr;gap:32px}
  .history-photo{position:static;max-width:320px;margin:0 auto}
  .timeline{padding-left:100px}
  .timeline::before{left:80px}
  .timeline-year{left:-100px;width:60px;font-size:.95rem}
  .timeline-item{padding-left:28px}
  .access{padding:60px 0}
  .access-grid{grid-template-columns:1fr;gap:32px}
  .access-map{height:280px}
  .cta{padding:80px 0}
  .cta-cards{grid-template-columns:1fr}
  .footer{padding:40px 24px 20px}
  .footer-top{flex-direction:column;gap:24px}
  .footer-nav{flex-wrap:wrap;gap:16px}
}