:root{
  --blue-deep:#0b3d63;
  --blue-main:#1f7bb0;
  --blue-mid:#4fa8d8;
  --blue-pale:#eaf5fb;
  --blue-line:#bfe0f2;
  --orange:#f2941f;
  --orange-dark:#d97a0c;
  --ink:#0e2b3d;
  --white:#ffffff;
  --font-head:'Zen Kaku Gothic New','Hiragino Sans',sans-serif;
  --font-body:'Noto Sans JP','Hiragino Sans',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:var(--font-body);color:var(--ink);background:var(--white);line-height:1.7;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px;}
h1,h2,h3{font-family:var(--font-head);}

/* Header */
header{position:sticky;top:0;background:var(--white);z-index:100;border-bottom:1px solid var(--blue-line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;}
.logo{font-weight:800;font-size:18px;color:var(--blue-deep);letter-spacing:.02em;cursor:pointer;}
.header-inner{position:relative;}
nav ul{display:flex;gap:32px;list-style:none;font-size:14px;font-weight:600;}
nav a{color:var(--ink);position:relative;padding:4px 0;}
nav a:hover{color:var(--blue-main);}
.nav-cta{background:var(--orange);color:#fff!important;padding:10px 20px;border-radius:6px;font-weight:700;}
.nav-cta:hover{background:var(--orange-dark);}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;background:none;border:none;cursor:pointer;padding:0;flex:none;}
.hamburger span{display:block;width:100%;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.active span:nth-child(2){opacity:0;}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media(max-width:880px){
  .logo{font-size:15px;}
  nav ul{display:none;}
  .hamburger{display:flex;}
  nav.mobile-open ul{
    display:flex;
    flex-direction:column;
    align-items:flex-start;
    position:absolute;
    top:68px;left:0;right:0;
    background:var(--white);
    padding:20px 24px;
    gap:18px;
    box-shadow:0 8px 16px rgba(11,61,99,.1);
    border-bottom:1px solid var(--blue-line);
    z-index:99;
  }
  nav.mobile-open .nav-cta{display:inline-block;}
}

/* Hero */
.hero{background:linear-gradient(160deg,var(--blue-mid) 0%,var(--blue-main) 55%,var(--blue-deep) 100%);color:#fff;padding:56px 0 0;overflow:hidden;position:relative;}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center;padding-left:120px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.35);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:20px;}
.hero-title-row{display:flex;align-items:center;gap:14px;margin-bottom:10px;justify-content:center;flex-wrap:wrap;}
.hero-title-img{max-width:420px;filter:drop-shadow(0 6px 14px rgba(0,0,0,.15));}
.hero p.lead{font-size:15px;font-weight:500;opacity:.95;margin:16px 0 28px;}
.btn-primary{display:inline-block;background:var(--orange);color:#fff;font-weight:800;padding:16px 32px;border-radius:8px;font-size:16px;box-shadow:0 10px 24px rgba(0,0,0,.2);transition:transform .15s ease,background .15s ease;border:none;cursor:pointer;}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-2px);}
.hero-art{position:relative;height:340px;}
.hero-nextora-img{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);width:400px;z-index:1;}
.hero-map-img{position:absolute;right:6%;top:8%;width:190px;max-width:34%;opacity:.55;z-index:0;}
.hero-truck-img{position:absolute;right:42%;top:20%;width:100px;max-width:120%;opacity:.95;z-index:2;}
.hero-left{text-align:center;}
@media(max-width:1199px){
  .hero-inner{padding-left:40px;gap:16px;}
  .hero-art{height:300px;}
  .hero-nextora-img{width:360px;}
}
@media(max-width:960px){
  .hero-inner{padding-left:20px;}
  .hero-title-img{max-width:320px;}
  .hero-art{height:260px;}
  .hero-nextora-img{width:320px;}
}
@media(max-width:760px){
  .hero-inner{grid-template-columns:1fr;text-align:center;padding-left:0;}
  .hero-art{height:auto;padding:20px 0 30px;}
  .hero-title-img{max-width:280px;}
  .hero-nextora-img{position:static;transform:none;margin:16px auto 0;width:280px;display:block;}
  .hero-truck-img{position:static;width:70px;margin:0 10px 0 0;display:inline-block;vertical-align:middle;}
  .hero-map-img{position:static;width:120px;max-width:40%;margin:0;display:inline-block;vertical-align:middle;}
}

/* Section generic */
section{padding:72px 0;}
.section-title{text-align:center;font-size:28px;font-weight:900;margin-bottom:48px;color:var(--blue-deep);}
.section-title .accent{color:var(--orange);}

/* Problem */
.problem{background:var(--white);}
.problem-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.problem ul{list-style:none;display:flex;flex-direction:column;gap:18px;}
.problem li{position:relative;padding-left:28px;font-size:15px;font-weight:500;color:#33475a;}
.problem li::before{content:"●";color:var(--blue-main);position:absolute;left:0;font-size:10px;top:8px;}
.problem-art{position:relative;background:#16499c;border:1px solid var(--blue-line);border-radius:16px;padding:24px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;}
.problem-art img{margin:0 auto;display:block;}.problem-board-img{max-width:320px;}
.problem-person-img{max-width:220px;margin-top:12px;}

/* Solution benefits */
.solution{background:var(--blue-pale);}
.benefit-cols{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;}
.benefit-list{list-style:none;display:flex;flex-direction:column;gap:16px;}
.benefit-list li{background:#fff;border-radius:10px;padding:16px 20px;font-weight:600;font-size:14.5px;display:flex;gap:12px;align-items:flex-start;box-shadow:0 4px 10px rgba(11,61,99,.05);}
.benefit-list li::before{content:"✓";color:#fff;background:var(--blue-main);width:22px;height:22px;flex:none;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;}
.benefit-icons{display:flex;flex-direction:column;gap:24px;justify-content:center;}
.benefit-icon-card{background:#fff;border-radius:14px;padding:28px 20px;text-align:center;box-shadow:0 6px 16px rgba(11,61,99,.08);}
.benefit-icon-card img{width:52px;height:52px;margin:0 auto 12px;}
.benefit-icon-card .label{font-weight:800;font-size:14px;color:var(--blue-deep);}

/* Case */
.case{background:var(--blue-deep);color:#fff;}
.case .section-title{color:#fff;}
.case-inner{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;}
.case-bubbles{position:relative;width:640px;max-width:100%;}
.case-bubble-img{width:100%;margin-bottom:14px;margin-left:auto;margin-right:auto;display:block;}
.case-figure-wrap{width:220px;height:220px;border-radius:50%;background:#16499c;display:flex;align-items:flex-end;justify-content:center;padding:0 20px;overflow:hidden;flex:none;}
.case-figure{width:190px;}
@media(max-width:760px){.case-inner{flex-direction:column;text-align:center;}.case-figure-wrap{margin:0 auto;}}

/* Flow */
.flow{background:#fff;}
.flow-stats{display:flex;justify-content:center;gap:56px;margin-bottom:40px;}
.flow-stat{text-align:center;}
.flow-stat img{width:60px;height:60px;margin:0 auto 8px;}
.flow-stat .label{font-size:12.5px;font-weight:700;color:#33475a;}
.flow-diagram-wrap{max-width:900px;margin:0 auto;position:relative;}
.flow-diagram-photo{position:absolute;left:41.9%;top:34%;width:17%;height:58%;border-radius:6px;object-fit:cover;box-shadow:0 4px 10px rgba(11,61,99,.25);}
.flow-photo-wrap{margin-top:48px;border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(11,61,99,.15);max-width:760px;margin-left:auto;margin-right:auto;}

/* Table */
.cost{background:var(--blue-pale);}
.cost-icons{display:flex;justify-content:center;gap:56px;margin-bottom:36px;}
.cost-icon{text-align:center;}
.cost-icon img{width:100px;height:100px;margin:0 auto 8px;background:var(--blue-main);border-radius:50%;padding:12px;}
.cost-icon .label{font-size:12.5px;font-weight:800;color:var(--blue-deep);}
.cost-unit-bar{max-width:1072px;margin:0 auto;background:#fff;border:1px solid var(--blue-line);border-bottom:none;border-radius:14px 14px 0 0;padding:10px 24px;text-align:right;font-weight:400;font-size:14px;color:var(--blue-deep);}
.table-wrap{overflow-x:auto;background:#fff;border-radius:0 0 14px 14px;box-shadow:0 6px 18px rgba(11,61,99,.08);}
table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:600px;}
th,td{padding:12px 14px;text-align:center;border-bottom:1px solid var(--blue-line);white-space:nowrap;}
thead th{background:var(--blue-deep);color:#fff;font-weight:700;}
.diagonal-th{position:relative;padding:0;min-width:130px;width:130px;height:76px;overflow:hidden;background:var(--blue-deep);}
.diagonal-th hr{position:absolute;left:0;top:0;width:150.6px;border:0;border-top:3px solid rgba(255,255,255,.6);transform-origin:left top;transform:rotate(30.31deg);margin:0;padding:0;}
.diagonal-th .d-label{position:absolute;font-size:10.5px;font-weight:700;line-height:1.3;color:#fff;max-width:66px;white-space:nowrap;}
.diagonal-th .d-top-left{left:8px;bottom:6px;text-align:left;}
.diagonal-th .d-bottom-right{right:8px;top:6px;text-align:right;}
tbody tr:nth-child(even){background:#f5fafd;}
.highlight-row td{background:#fff6e8!important;font-weight:900;color:var(--orange-dark);}
.table-note{font-size:12px;color:#6b8299;text-align:right;margin-top:8px;}
.cost-punch{text-align:center;font-size:22px;font-weight:900;color:var(--blue-deep);margin-top:36px;}
.cost-punch span{color:var(--orange);}

/* Product */
.product{background:#fff;}
.product-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:36px;}
.p-card{background:var(--blue-pale);border-radius:12px;padding:16px 10px;text-align:center;}
.p-card .icon{height:90px;display:flex;align-items:center;justify-content:center;margin-bottom:8px;}
.p-card .icon img{max-height:90px;}
.p-card .name{font-size:12.5px;font-weight:800;color:var(--blue-deep);}
@media(max-width:760px){.product-cards{grid-template-columns:repeat(2,1fr);}}

/* FAQ */
.faq{background:var(--blue-pale);}
.faq-header-img{display:block;margin:0 auto 40px;max-width:160px;}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 4px 10px rgba(11,61,99,.06);}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-weight:800;font-size:15px;color:var(--blue-deep);display:flex;justify-content:space-between;align-items:center;cursor:pointer;gap:16px;}
.faq-q .qmark{color:var(--blue-main);}
.faq-q .plus{flex:none;width:26px;height:26px;border-radius:50%;background:var(--blue-pale);color:var(--blue-main);display:flex;align-items:center;justify-content:center;font-weight:900;transition:transform .2s ease;}
.faq-item.open .plus{transform:rotate(45deg);background:var(--orange);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;font-size:14px;color:#33475a;background:#fbfdfe;}
.faq-a p{padding:0 24px 20px 24px;}
.faq-item.open .faq-a{max-height:200px;}

/* CTA */
.cta-section{background:linear-gradient(160deg,var(--blue-mid) 0%,var(--blue-deep) 100%);color:#fff;padding:56px 0 40px;position:relative;overflow:hidden;}
.cta-grid{position:relative;z-index:1;}
.cta-nav{list-style:none;display:flex;flex-direction:column;gap:18px;padding-top:8px;position:absolute;left:0;top:0;}
.cta-nav a{font-size:14px;font-weight:600;color:#fff;}
.cta-nav a:hover{opacity:.8;}
.cta-main{text-align:center;max-width:600px;margin:0 auto;}
.cta-main h2{font-size:26px;font-weight:900;margin-bottom:28px;}
.tel-block{margin-top:36px;font-size:13.5px;opacity:.9;}
.tel-block strong{display:block;font-size:16px;margin-bottom:4px;}
.cta-stairs-img{position:absolute;right:20px;top:10px;width:120px;z-index:0;}
.cta-floor-img{position:absolute;left:20px;bottom:6px;width:300px;z-index:0;}
@media(max-width:960px){
  .cta-grid{padding-top:64px;text-align:left;}
  .cta-nav{position:static;flex-direction:row;flex-wrap:wrap;justify-content:center;gap:16px;padding-top:0;margin-bottom:24px;}
  .cta-stairs-img{position:static;width:120px;display:inline-block;margin:0 12px 16px;}
  .cta-floor-img{position:static;width:280px;max-width:92%;display:inline-block;margin:24px 12px 0;}
}
@media(max-width:760px){
  .cta-stairs-img{width:130px;}
  .cta-floor-img{width:310px;max-width:96%;}
}

/* Footer */
footer{background:#fff;color:var(--blue-deep);padding:32px 0 24px;font-size:13px;}
.footer-inner{display:flex;justify-content:center;align-items:center;gap:20px;flex-wrap:wrap;position:relative;}
.footer-logo-img{width:110px;cursor:pointer;}
.footer-back-btn{border:1px solid var(--blue-deep);color:var(--blue-deep);font-weight:700;font-size:13px;padding:8px 18px;border-radius:4px;background:#fff;}
.footer-back-btn:hover{background:var(--blue-pale);}
.footer-copy{text-align:center;margin-top:20px;font-size:11.5px;color:#8fa5b6;}

.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.reveal.show{opacity:1;transform:translateY(0);}

@media(max-width:760px){
  .problem-grid,.benefit-cols,.case-inner{grid-template-columns:1fr;}
  .section-title{font-size:22px;}
}