*,*::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 labels */
.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 h1{
  font-family:var(--font-display);
  font-size:clamp(1.6rem,3.5vw,2.2rem);
  font-weight:800;letter-spacing:.1em;
}
.page-hero h1::after{
  content:"";display:block;width:40px;height:2px;
  background:var(--accent);margin:14px 0 0;
}

/* Contact Type */
.contact-type{padding:100px 0 80px}
.contact-type-head{text-align:center;margin-bottom:56px}
.contact-type-head .sec-title{margin-bottom:12px}
.contact-type-desc{
  font-size:.95rem;color:var(--text-sub);
}
.type-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
  max-width:960px;margin:0 auto;
}
.type-card{
  background:var(--bg-light);padding:40px 28px;text-align:center;
  border:1px solid #eee;transition:all .3s;cursor:pointer;
  display:block;
}
.type-card:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 32px rgba(0,0,0,.08);
  border-color:var(--navy);
}
.type-card-icon{
  width:56px;height:56px;margin:0 auto 20px;
  background:var(--navy);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
}
.type-card-icon svg{width:24px;height:24px;fill:#fff}
.type-card h3{
  font-family:var(--font-display);
  font-size:1.05rem;font-weight:700;letter-spacing:.04em;
  margin-bottom:12px;color:var(--text);
}
.type-card p{
  font-size:.85rem;color:var(--text-sub);line-height:1.8;
}

/* Phone */
.phone-section{
  padding:60px 0;background:var(--bg-light);text-align:center;
}
.phone-number{
  font-family:var(--font-en);
  font-size:clamp(2rem,4vw,2.8rem);font-weight:600;
  color:var(--navy);letter-spacing:.04em;
  margin-bottom:12px;
}
.phone-number a{color:var(--navy)}
.phone-note{
  font-size:.9rem;color:var(--text-sub);margin-bottom:8px;
}
.phone-fax{
  font-size:.85rem;color:var(--text-muted);
}

/* Form */
.form-section{padding:100px 0}
.form-head{text-align:center;margin-bottom:56px}
.contact-form{max-width:720px;margin:0 auto}
.form-group{margin-bottom:32px}
.form-label{
  display:block;font-size:.9rem;font-weight:700;
  color:var(--text);margin-bottom:10px;
  letter-spacing:.03em;
}
.form-label .required{
  font-size:.72rem;font-weight:700;color:#fff;
  background:var(--navy);padding:2px 10px;
  margin-left:10px;vertical-align:middle;
}
.form-label .optional{
  font-size:.72rem;font-weight:700;color:var(--text-muted);
  border:1px solid #ddd;padding:2px 10px;
  margin-left:10px;vertical-align:middle;
}
.form-input,
.form-select,
.form-textarea{
  width:100%;font-family:var(--font-body);font-size:.95rem;
  color:var(--text);background:#fff;
  border:1px solid #ddd;padding:14px 16px;
  transition:border-color .3s;
  appearance:none;-webkit-appearance:none;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus{
  outline:none;border-color:var(--navy);
}
.form-select{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23555' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat:no-repeat;
  background-position:right 16px center;
  padding-right:40px;cursor:pointer;
}
.form-textarea{
  min-height:180px;resize:vertical;line-height:1.8;
}
.form-submit{
  text-align:center;margin-top:48px;
}
.btn-submit{
  display:inline-flex;align-items:center;justify-content:center;
  padding:18px 72px;background:var(--navy);color:#fff;
  font-family:var(--font-body);font-size:1rem;font-weight:700;
  letter-spacing:.1em;border:none;cursor:pointer;
  transition:background .3s;
}
.btn-submit:hover{background:var(--navy-dark)}
.form-privacy{
  text-align:center;margin-top:24px;
  font-size:.82rem;color:var(--text-muted);line-height:1.8;
}

/* Access */
.access{padding:100px 0;background:var(--bg-light)}
.access-head{margin-bottom:48px}
.access-content{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;
  align-items:start;
}
.access-info{display:flex;flex-direction:column;gap:20px}
.access-company{
  font-family:var(--font-display);
  font-size:1.15rem;font-weight:700;letter-spacing:.04em;
  margin-bottom:4px;
}
.access-address{font-size:.9rem;color:var(--text-sub);line-height:2}
.access-tel-block{
  display:flex;flex-direction:column;gap:6px;
  padding:20px 0;border-top:1px solid #ddd;
}
.access-tel-row{
  display:flex;gap:16px;font-size:.9rem;
}
.access-tel-label{
  font-weight:700;color:var(--navy);min-width:40px;
}
.access-map{
  width:100%;height:360px;background:#e8e8e6;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-muted);font-size:.9rem;
}

/* 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:240px}
  .page-hero h1{font-size:1.6rem}
  .contact-type{padding:60px 0 40px}
  .type-grid{grid-template-columns:1fr;max-width:400px}
  .phone-section{padding:40px 0}
  .form-section{padding:60px 0}
  .contact-form{padding:0}
  .access{padding:60px 0}
  .access-content{grid-template-columns:1fr;gap:32px}
  .access-map{height:260px}
  .footer{padding:40px 24px 20px}
  .footer-top{flex-direction:column;gap:24px}
  .footer-nav{flex-wrap:wrap;gap:16px}
}