@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Poppins:wght@300;400;600;700&display=swap');

:root{
  --navy:#173a5c;
  --navy-deep:#0f2a45;
  --teal:#0fa89e;
  --teal-deep:#0a7d76;
  --gradient:linear-gradient(135deg,#17b3a6 0%,#12839a 45%,#173a5c 100%);
  --bg:#ffffff;
  --bg-soft:#eef3f7;
  --text:#2b3644;
  --text-light:#6d7a89;
  --orange:#f5a623;
  --orange-deep:#dd8f0e;
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:10px;
  --shadow:0 14px 40px rgba(15,42,69,.10);
  --shadow-soft:0 6px 20px rgba(15,42,69,.08);
  --maxw:1140px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.eyebrow{
  display:block;font-family:"Poppins",sans-serif;font-weight:600;font-size:13px;
  letter-spacing:.22em;color:var(--teal);text-transform:uppercase;margin-bottom:10px;
}
h1,h2,h3{margin:0;font-weight:700;color:var(--navy);}
.section-title{font-family:"Poppins",sans-serif;font-size:clamp(30px,4vw,44px);font-weight:700;color:var(--navy);margin:0 0 14px;}
.section-lead{color:var(--text-light);font-size:15px;max-width:560px;margin:0 auto 48px;text-align:center;}
.section{padding:96px 0;}
.section.soft{background:var(--bg-soft);}
.center{text-align:center;}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:15px 34px;border-radius:999px;
  font-weight:700;font-size:14.5px;cursor:pointer;border:none;transition:transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--navy);color:#fff;box-shadow:0 10px 24px rgba(23,58,92,.28);}
.btn-primary:hover{background:var(--navy-deep);}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 10px 26px rgba(245,166,35,.38);}
.btn-orange:hover{background:var(--orange-deep);}
.btn-outline{background:transparent;border:1.5px solid rgba(255,255,255,.7);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.14);}
.btn-teal{background:var(--teal);color:#fff;box-shadow:0 10px 24px rgba(15,168,158,.3);}

/* Header */
.site-header{
  position:sticky;top:0;z-index:200;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(23,58,92,.06);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:78px;max-width:1280px;}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--navy);font-size:16px;}
.logo-mark{width:38px;height:38px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-family:"Poppins",sans-serif;font-weight:700;font-size:15px;flex-shrink:0;}
.logo-text small{display:block;font-size:10px;font-weight:500;color:var(--text-light);letter-spacing:.08em;}
.main-nav{display:flex;align-items:center;gap:34px;}
.main-nav a{font-size:14px;font-weight:500;color:var(--text);position:relative;padding:6px 0;}
.main-nav a:hover{color:var(--teal-deep);}
.main-nav a.current{color:var(--teal-deep);font-weight:700;}
.header-cta{display:flex;align-items:center;gap:18px;}
.header-cta .btn{padding:12px 26px;font-size:13.5px;}
.nav-toggle{display:none;background:none;border:none;font-size:26px;color:var(--navy);cursor:pointer;}

@media(max-width:900px){
  .main-nav{position:fixed;top:78px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;
    padding:20px 24px 28px;gap:0;box-shadow:0 16px 24px rgba(15,42,69,.08);transform:translateY(-8px);opacity:0;
    pointer-events:none;transition:all .2s ease;}
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .main-nav a{width:100%;padding:13px 0;border-bottom:1px solid var(--bg-soft);}
  .nav-toggle{display:block;}
  .header-cta .btn-primary{display:none;}
}

/* Hero */
.hero{position:relative;padding:100px 0 90px;text-align:center;overflow:hidden;}
.hero-ring{
  position:absolute;top:-180px;left:50%;transform:translateX(-50%);width:640px;height:640px;
  border-radius:50%;border:1px solid rgba(23,58,92,.12);
}
.hero-ring::before{content:"";position:absolute;inset:40px;border-radius:50%;border:1px solid rgba(15,168,158,.18);}
.hero-tag{display:inline-block;background:var(--bg-soft);color:var(--teal-deep);font-size:12.5px;font-weight:700;
  padding:8px 18px;border-radius:999px;margin-bottom:26px;letter-spacing:.04em;}
.hero h1{font-family:"Poppins",sans-serif;font-size:clamp(44px,7vw,78px);font-weight:700;color:var(--text);
  position:relative;letter-spacing:-.01em;}
.hero h1 span{color:var(--teal);}
.hero p{max-width:520px;margin:22px auto 36px;color:var(--text-light);font-size:15.5px;position:relative;}
.hero-actions{display:flex;gap:14px;justify-content:center;position:relative;flex-wrap:wrap;}

/* News strip */
.news-strip{border-top:1px solid var(--bg-soft);border-bottom:1px solid var(--bg-soft);padding:20px 0;}
.news-strip .wrap{display:flex;align-items:center;gap:22px;max-width:1280px;}
.news-badge{background:var(--navy);color:#fff;font-size:11px;font-weight:700;padding:5px 14px;border-radius:5px;flex-shrink:0;}
.news-strip .news-item{display:flex;gap:16px;align-items:baseline;flex:1;font-size:13.5px;color:var(--text-light);overflow:hidden;}
.news-strip .news-item b{color:var(--text);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.news-strip .news-date{color:var(--text-light);flex-shrink:0;font-family:"Poppins",sans-serif;font-size:12.5px;}
.news-more{flex-shrink:0;font-size:13px;font-weight:700;color:var(--teal-deep);white-space:nowrap;}

/* About - big gradient circle */
.about{position:relative;padding:60px 24px 130px;overflow:hidden;}
.about-circle{
  max-width:980px;margin:0 auto;background:var(--gradient);border-radius:50%;
  aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;position:relative;
  box-shadow:0 40px 80px rgba(15,42,69,.22);
}
.about-inner{max-width:560px;padding:40px;text-align:center;color:#fff;}
.about-inner .eyebrow{color:rgba(255,255,255,.75);}
.about-inner h2{color:#fff;font-family:"Poppins",sans-serif;font-size:clamp(28px,4vw,42px);margin-bottom:20px;}
.about-inner p{color:rgba(255,255,255,.92);font-size:14.5px;margin:0 0 14px;}
@media(max-width:720px){
  .about-circle{border-radius:32px;aspect-ratio:auto;padding:50px 0;}
}

/* Reasons */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:10px;}
@media(max-width:860px){.cards-3{grid-template-columns:1fr;}}
.reason-card{background:#fff;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease;}
.reason-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.reason-card img{height:190px;object-fit:cover;width:100%;}
.reason-card .rc-body{padding:26px 24px 30px;}
.reason-card h3{font-size:17px;line-height:1.6;margin-bottom:10px;}
.reason-card p{font-size:13.5px;color:var(--text-light);margin:0;}

/* Service */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
@media(max-width:860px){.service-grid{grid-template-columns:1fr;}}
.service-item{text-align:center;padding:36px 26px;border-radius:var(--radius-md);border:1px solid var(--bg-soft);transition:all .2s ease;}
.service-item:hover{border-color:transparent;box-shadow:var(--shadow-soft);}
.service-ring{width:88px;height:88px;border-radius:50%;border:2px solid var(--teal);display:flex;align-items:center;
  justify-content:center;margin:0 auto 22px;font-size:30px;color:var(--teal-deep);}
.service-item h3{font-size:16.5px;margin-bottom:12px;}
.service-item p{font-size:13.5px;color:var(--text-light);margin:0 0 16px;}
.service-item .svc-link{font-size:13px;font-weight:700;color:var(--teal-deep);}

/* Cases */
.case-card{background:#fff;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-soft);transition:transform .2s ease,box-shadow .2s ease;display:flex;flex-direction:column;}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.case-card img{height:180px;object-fit:cover;width:100%;}
.case-card .cc-body{padding:24px 22px 26px;flex:1;display:flex;flex-direction:column;}
.case-card h3{font-size:16px;margin-bottom:8px;}
.case-card .cc-sub{font-size:12.5px;color:var(--teal-deep);margin-bottom:12px;font-weight:500;}
.case-card p{font-size:13px;color:var(--text-light);flex:1;margin:0 0 16px;}
.case-card .cc-more{font-size:13px;font-weight:700;color:var(--navy);}

/* CTA band */
.cta-band{background:var(--gradient);padding:80px 24px;text-align:center;position:relative;overflow:hidden;}
.cta-band h2{color:#fff;font-family:"Poppins",sans-serif;font-size:clamp(26px,4vw,36px);margin-bottom:16px;}
.cta-band p{color:rgba(255,255,255,.85);font-size:14.5px;margin-bottom:32px;}

/* Flow */
.flow-list{max-width:760px;margin:0 auto;}
.flow-step{display:grid;grid-template-columns:100px 1fr;gap:26px;padding:34px 0;border-bottom:1px solid var(--bg-soft);}
.flow-step:last-child{border-bottom:none;}
.flow-num{font-family:"Poppins",sans-serif;font-size:38px;font-weight:700;color:var(--teal);opacity:.55;}
.flow-step h3{font-size:17px;margin-bottom:8px;}
.flow-step p{font-size:13.5px;color:var(--text-light);margin:0;}

/* Page hero (sub pages) */
.page-hero{background:var(--bg-soft);padding:64px 24px;text-align:center;}
.page-hero .eyebrow{justify-content:center;display:flex;}
.page-hero h1{font-family:"Poppins",sans-serif;font-size:clamp(32px,5vw,46px);}
.breadcrumb{font-size:12.5px;color:var(--text-light);margin-bottom:16px;}
.breadcrumb a{color:var(--teal-deep);}

/* Service detail blocks */
.svc-detail{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:70px 0;border-bottom:1px solid var(--bg-soft);}
.svc-detail:last-child{border-bottom:none;}
.svc-detail.rev{direction:rtl;}
.svc-detail.rev>*{direction:ltr;}
.svc-detail img{border-radius:var(--radius-md);box-shadow:var(--shadow);width:100%;height:320px;object-fit:cover;}
.svc-detail .num{font-family:"Poppins",sans-serif;color:var(--teal);font-weight:700;font-size:13px;letter-spacing:.1em;margin-bottom:12px;display:block;}
.svc-detail h2{font-size:clamp(22px,3vw,30px);margin-bottom:16px;}
.svc-detail p{color:var(--text-light);font-size:14px;margin-bottom:18px;}
.svc-points li{font-size:13.5px;color:var(--text);padding-left:26px;position:relative;margin-bottom:10px;}
.svc-points li::before{content:"✓";position:absolute;left:0;color:var(--teal);font-weight:700;}
@media(max-width:800px){.svc-detail,.svc-detail.rev{grid-template-columns:1fr;direction:ltr;}}

/* Case detail */
.case-detail{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-soft);overflow:hidden;margin-bottom:40px;}
.case-detail img{width:100%;height:280px;object-fit:cover;}
.case-detail-body{padding:38px 40px;}
.case-detail-body .cc-sub{color:var(--teal-deep);font-weight:700;font-size:13px;margin-bottom:10px;}
.case-detail-body h2{font-size:clamp(20px,3vw,26px);margin-bottom:20px;}
.case-flow{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px;margin:26px 0;}
.case-flow div{background:var(--bg-soft);border-radius:var(--radius-sm);padding:18px;}
.case-flow div b{display:block;color:var(--teal-deep);font-size:11.5px;margin-bottom:6px;letter-spacing:.05em;}
.case-flow div span{font-size:13px;color:var(--text);}
@media(max-width:700px){.case-flow{grid-template-columns:1fr;}}
.case-detail-body p{font-size:14px;color:var(--text-light);}

/* Contact */
.contact-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:flex-start;}
@media(max-width:900px){.contact-layout{grid-template-columns:1fr;}}
.contact-form{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:40px;}
.form-row{margin-bottom:20px;}
.form-row label{display:block;font-size:13px;font-weight:700;color:var(--navy);margin-bottom:8px;}
.form-row label .req{color:var(--orange);font-size:11px;margin-left:6px;}
.form-row input,.form-row textarea,.form-row select{
  width:100%;padding:13px 16px;border-radius:var(--radius-sm);border:1.5px solid var(--bg-soft);
  background:var(--bg-soft);font-family:inherit;font-size:14px;color:var(--text);transition:border-color .15s ease;
}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--teal);background:#fff;}
.form-row textarea{resize:vertical;min-height:120px;}
.contact-form .btn{width:100%;justify-content:center;margin-top:8px;}
.contact-info-card{background:var(--navy);color:#fff;border-radius:var(--radius-lg);padding:38px;}
.contact-info-card h3{color:#fff;font-size:17px;margin-bottom:22px;}
.contact-info-card .ci-row{display:flex;gap:14px;margin-bottom:18px;font-size:13.5px;color:rgba(255,255,255,.85);}
.contact-info-card .ci-row b{color:#fff;display:block;font-size:11.5px;letter-spacing:.05em;margin-bottom:4px;}
.contact-info-card hr{border:none;border-top:1px solid rgba(255,255,255,.15);margin:24px 0;}
.form-success{display:none;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:60px 40px;text-align:center;}
.form-success .fs-icon{width:64px;height:64px;border-radius:50%;background:var(--teal);color:#fff;font-size:30px;
  display:flex;align-items:center;justify-content:center;margin:0 auto 22px;}
.form-success h3{font-size:19px;margin-bottom:12px;}
.form-success p{color:var(--text-light);font-size:13.5px;}

/* Footer */
.site-footer{background:var(--navy-deep);color:rgba(255,255,255,.7);padding:64px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:44px;}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr;gap:32px;}}
.footer-grid .logo{color:#fff;margin-bottom:14px;}
.footer-grid p{font-size:13px;line-height:1.9;color:rgba(255,255,255,.55);}
.site-footer h4{color:#fff;font-size:13px;letter-spacing:.05em;margin-bottom:16px;}
.site-footer .flinks li{margin-bottom:10px;}
.site-footer .flinks a{font-size:13px;color:rgba(255,255,255,.6);}
.site-footer .flinks a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font-size:12px;color:rgba(255,255,255,.4);}
.demo-note{font-size:11.5px;color:rgba(255,255,255,.35);max-width:640px;line-height:1.8;}

/* ===== AI Concierge Widget ===== */
#ec-concierge-launcher{
  position:fixed;bottom:26px;right:26px;z-index:999;width:64px;height:64px;border-radius:50%;
  background:var(--gradient);box-shadow:0 12px 30px rgba(15,42,69,.32);border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;
  transition:transform .25s ease,box-shadow .25s ease;
}
#ec-concierge-launcher:hover{transform:scale(1.07);}
#ec-concierge-launcher .pulse{
  position:absolute;inset:0;border-radius:50%;border:2px solid var(--teal);opacity:0;
  animation:ec-pulse 2.6s ease-out infinite;
}
@keyframes ec-pulse{0%{transform:scale(1);opacity:.6;}100%{transform:scale(1.55);opacity:0;}}
#ec-concierge-launcher .badge-dot{position:absolute;top:2px;right:2px;width:14px;height:14px;background:var(--orange);
  border-radius:50%;border:2px solid #fff;display:none;}
#ec-concierge-launcher .badge-dot.show{display:block;}

#ec-concierge-tip{
  position:fixed;bottom:100px;right:26px;z-index:998;background:#fff;color:var(--text);padding:14px 18px;
  border-radius:16px 16px 4px 16px;box-shadow:var(--shadow);font-size:13px;max-width:220px;
  opacity:0;transform:translateY(10px);pointer-events:none;transition:all .3s ease;
}
#ec-concierge-tip.show{opacity:1;transform:translateY(0);}

#ec-concierge-panel{
  position:fixed;bottom:104px;right:26px;z-index:999;width:380px;max-width:calc(100vw - 32px);
  height:560px;max-height:calc(100vh - 140px);background:#fff;border-radius:20px;box-shadow:0 24px 60px rgba(15,42,69,.28);
  display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateY(16px) scale(.98);
  pointer-events:none;transition:all .22s ease;
}
#ec-concierge-panel.open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto;}
.ec-cp-header{background:var(--gradient);color:#fff;padding:18px 20px;display:flex;align-items:center;gap:12px;flex-shrink:0;}
.ec-cp-avatar{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;align-items:center;
  justify-content:center;font-size:18px;flex-shrink:0;}
.ec-cp-title{flex:1;min-width:0;}
.ec-cp-title b{display:block;font-size:14px;}
.ec-cp-title span{display:block;font-size:11px;color:rgba(255,255,255,.75);display:flex;align-items:center;gap:5px;}
.ec-cp-title span::before{content:"";width:7px;height:7px;border-radius:50%;background:#4ade80;display:inline-block;}
.ec-cp-close{background:rgba(255,255,255,.16);border:none;color:#fff;width:30px;height:30px;border-radius:50%;
  cursor:pointer;font-size:15px;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.ec-cp-body{flex:1;overflow-y:auto;padding:20px;background:#f6f9fb;display:flex;flex-direction:column;gap:14px;}
.ec-msg{max-width:86%;font-size:13.5px;line-height:1.7;padding:12px 16px;border-radius:16px;white-space:pre-wrap;}
.ec-msg.bot{align-self:flex-start;background:#fff;color:var(--text);border-bottom-left-radius:4px;box-shadow:0 2px 8px rgba(15,42,69,.06);}
.ec-msg.user{align-self:flex-end;background:var(--navy);color:#fff;border-bottom-right-radius:4px;}
.ec-typing{align-self:flex-start;background:#fff;padding:14px 18px;border-radius:16px;border-bottom-left-radius:4px;
  box-shadow:0 2px 8px rgba(15,42,69,.06);display:flex;gap:4px;}
.ec-typing span{width:6px;height:6px;border-radius:50%;background:#b7c2cd;animation:ec-bounce 1.2s infinite ease-in-out;}
.ec-typing span:nth-child(2){animation-delay:.15s;}
.ec-typing span:nth-child(3){animation-delay:.3s;}
@keyframes ec-bounce{0%,80%,100%{transform:translateY(0);opacity:.5;}40%{transform:translateY(-5px);opacity:1;}}
.ec-quick{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px;}
.ec-chip{background:#fff;border:1.3px solid var(--bg-soft);color:var(--teal-deep);font-size:12px;font-weight:600;
  padding:9px 14px;border-radius:999px;cursor:pointer;transition:all .15s ease;}
.ec-chip:hover{background:var(--teal);border-color:var(--teal);color:#fff;}
.ec-cta-btn{display:inline-flex;align-items:center;gap:6px;background:var(--orange);color:#fff;font-size:12.5px;
  font-weight:700;padding:10px 18px;border-radius:999px;margin-top:4px;box-shadow:0 6px 16px rgba(245,166,35,.35);}
.ec-cp-footer{padding:14px;border-top:1px solid var(--bg-soft);display:flex;gap:10px;flex-shrink:0;background:#fff;}
.ec-cp-footer input{flex:1;border:1.5px solid var(--bg-soft);background:var(--bg-soft);border-radius:999px;
  padding:12px 18px;font-size:13.5px;font-family:inherit;color:var(--text);}
.ec-cp-footer input:focus{outline:none;border-color:var(--teal);background:#fff;}
.ec-cp-send{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;border:none;cursor:pointer;
  flex-shrink:0;font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .15s ease;}
.ec-cp-send:hover{background:var(--teal-deep);}
.ec-cp-disclaimer{font-size:10px;color:var(--text-light);text-align:center;padding:6px 14px 12px;background:#fff;}

@media(max-width:480px){
  #ec-concierge-panel{right:12px;left:12px;width:auto;bottom:92px;height:min(560px,70vh);}
  #ec-concierge-launcher{right:16px;bottom:16px;}
  #ec-concierge-tip{right:16px;bottom:88px;}
}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}