:root{
  --bg:#f6f9fb;
  --navy:#0d3b66;
  --navy2:#12518c;
  --navy-deep:#082744;
  --tint:#e9f2fa;
  --tint2:#f0f6fb;
  --accent:#e8842b;
  --accent-light:#f2a65a;
  --text:#26333f;
  --muted:#647186;
  --line:#e1e8ef;
  --white:#ffffff;
  --radius:12px;
  --radius-sm:7px;
  --maxw:1200px;
  --shadow:0 10px 30px rgba(13,59,102,.08);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  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;
}
h1,h2,h3{font-weight:700;letter-spacing:.02em;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
section{padding:76px 0;}
.section-tight{padding:56px 0;}
.center{text-align:center;}

/* ---- eyebrow / heading kit ---- */
.eyebrow{display:inline-block;font-size:.76rem;letter-spacing:.18em;font-weight:700;color:var(--accent);margin-bottom:14px;}
.eyebrow.on-dark{color:var(--accent-light);}
h2.sec-title{font-size:1.9rem;color:var(--navy);margin-bottom:16px;line-height:1.5;}
p.sec-lead{color:var(--muted);font-size:.98rem;max-width:640px;}
.head-block{margin-bottom:44px;}
.head-block.center{margin-left:auto;margin-right:auto;}
.head-block.center p.sec-lead{margin-left:auto;margin-right:auto;}

/* ---- top utility bar ---- */
.topbar{background:var(--navy-deep);color:#cfe0f0;font-size:.78rem;}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding:8px 24px;flex-wrap:wrap;gap:6px;}
.topbar a{opacity:.9;}
.topbar a:hover{opacity:1;text-decoration:underline;}
.topbar .tel{font-weight:700;color:#fff;letter-spacing:.03em;}
.topbar .tel .ico{margin-right:6px;}

/* ---- header ---- */
header.site{
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(6px);
}
header.site .bar{
  max-width:var(--maxw);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;font-size:1.28rem;color:var(--navy);font-weight:700;white-space:nowrap;}
.logo .mark{
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(135deg,var(--navy2),var(--navy));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.05rem;flex-shrink:0;
}
.logo .txt small{display:block;font-size:.58rem;letter-spacing:.16em;color:var(--accent);font-weight:700;margin-top:1px;}

nav.main{display:flex;gap:2px;align-items:center;}
nav.main > ul{display:flex;align-items:center;gap:2px;}
nav.main > ul > li{position:relative;}
nav.main > ul > li > a{
  display:block;padding:12px 14px;font-size:.86rem;color:var(--navy);opacity:.82;
  transition:opacity .2s,color .2s;white-space:nowrap;border-radius:var(--radius-sm);
}
nav.main > ul > li > a:hover{opacity:1;color:var(--accent);background:var(--tint);}
nav.main > ul > li > a.current{opacity:1;color:var(--accent);font-weight:700;}
nav.main .caret{font-size:.6rem;margin-left:4px;opacity:.6;}

.dropdown{
  position:absolute;top:100%;left:0;background:#fff;min-width:230px;
  border-radius:var(--radius-sm);box-shadow:var(--shadow);border:1px solid var(--line);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .18s,transform .18s,visibility .18s;
}
nav.main > ul > li:hover .dropdown{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown a{display:block;padding:10px 12px;font-size:.83rem;color:var(--text);border-radius:6px;}
.dropdown a:hover{background:var(--tint);color:var(--navy2);}
.dropdown a .d-sub{display:block;font-size:.72rem;color:var(--muted);margin-top:2px;}

.nav-cta{margin-left:8px;background:var(--accent);color:#fff !important;padding:10px 20px !important;border-radius:8px;font-weight:700;opacity:1 !important;}
.nav-cta:hover{background:var(--accent-light) !important;}

.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.hamburger span{width:24px;height:2px;background:var(--navy);display:block;}

/* ---- hero ---- */
.hero{position:relative;color:#fff;display:flex;align-items:center;min-height:66vh;background-size:cover;background-position:center;}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(8,39,68,.88),rgba(13,59,102,.72));}
.hero .wrap{position:relative;z-index:2;}
.hero-small{min-height:34vh;}
.hero h1{font-size:2.35rem;line-height:1.6;margin-bottom:20px;max-width:720px;}
.hero-small h1{font-size:1.9rem;}
.hero p{font-size:1rem;max-width:560px;color:#e4eef8;margin-bottom:30px;}
.hero .crumb{font-size:.78rem;color:#bcd3ea;margin-bottom:14px;}
.hero .crumb a:hover{text-decoration:underline;}

.btn-row{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-block;padding:14px 30px;border-radius:9px;
  font-size:.9rem;font-weight:700;transition:transform .15s,background .2s,opacity .2s;border:none;cursor:pointer;
}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-light);}
.btn-ghost{border:1.5px solid rgba(255,255,255,.6);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.14);}
.btn-navy{background:var(--navy);color:#fff;}
.btn-navy:hover{background:var(--navy2);}
.btn-outline{border:1.5px solid var(--navy);color:var(--navy);background:transparent;}
.btn-outline:hover{background:var(--navy);color:#fff;}
.btn-block{display:block;text-align:center;width:100%;}

/* ---- stat strip ---- */
.stats{background:var(--white);border-bottom:1px solid var(--line);}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 24px;}
.stat b{display:block;font-size:1.9rem;color:var(--navy);font-family:inherit;}
.stat b span{color:var(--accent);}
.stat small{color:var(--muted);font-size:.78rem;letter-spacing:.03em;}

/* ---- grid / cards ---- */
.grid{display:grid;gap:26px;}
.grid-2{grid-template-columns:1fr 1fr;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s,transform .2s;}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--tint);}
.card .thumb img{width:100%;height:100%;object-fit:cover;}
.card .body{padding:20px 22px 24px;}
.card h3{font-size:1.02rem;color:var(--navy);margin-bottom:8px;line-height:1.6;}
.card p{color:var(--muted);font-size:.86rem;}
.tag{display:inline-block;background:var(--tint);color:var(--navy2);font-size:.68rem;font-weight:700;padding:4px 10px;border-radius:20px;letter-spacing:.03em;margin-bottom:10px;}
.tag.orange{background:#fdece0;color:var(--accent);}

.icon-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;}
.icon-card .ic{
  width:52px;height:52px;border-radius:12px;background:var(--tint);color:var(--navy2);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px;
}
.icon-card h3{font-size:1rem;color:var(--navy);margin-bottom:8px;}
.icon-card p{color:var(--muted);font-size:.85rem;}

/* ---- feature split (image + text) ---- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.split.rev .img-col{order:2;}
.split .img-col img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;aspect-ratio:5/4;object-fit:cover;}
.split ul.check li{position:relative;padding-left:26px;margin-bottom:10px;font-size:.92rem;color:var(--text);}
.split ul.check li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700;}

/* ---- flow steps ---- */
.flow-steps{counter-reset:step;}
.flow-step{display:flex;gap:22px;padding:26px 0;border-bottom:1px solid var(--line);}
.flow-step:last-child{border-bottom:none;}
.flow-step .num{
  counter-increment:step;flex-shrink:0;width:52px;height:52px;border-radius:50%;
  background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;
}
.flow-step .num::before{content:counter(step);}
.flow-step h3{color:var(--navy);font-size:1.05rem;margin-bottom:6px;}
.flow-step p{color:var(--muted);font-size:.88rem;}
.flow-step .ph{width:100%;max-width:220px;border-radius:var(--radius-sm);aspect-ratio:16/10;object-fit:cover;margin-top:12px;}

/* ---- case study ---- */
.case-card{display:grid;grid-template-columns:280px 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;margin-bottom:26px;}
.case-card .img{aspect-ratio:1;overflow:hidden;}
.case-card .img img{width:100%;height:100%;object-fit:cover;}
.case-card .content{padding:26px 30px;}
.case-card .content .industry{font-size:.72rem;color:var(--accent);font-weight:700;letter-spacing:.05em;margin-bottom:6px;}
.case-card .content h3{color:var(--navy);font-size:1.15rem;margin-bottom:10px;}
.case-card .meta{display:flex;gap:18px;flex-wrap:wrap;font-size:.78rem;color:var(--muted);margin-bottom:14px;}
.case-card .meta span b{color:var(--navy2);}
.case-card blockquote{border-left:3px solid var(--accent);padding-left:16px;font-size:.88rem;color:var(--text);margin-top:14px;}
.case-card .person{display:flex;align-items:center;gap:10px;margin-top:14px;}
.case-card .person img{width:38px;height:38px;border-radius:50%;object-fit:cover;}
.case-card .person span{font-size:.78rem;color:var(--muted);}

/* ---- pricing ---- */
.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;position:relative;}
.price-card.feat{border-color:var(--accent);box-shadow:0 14px 34px rgba(232,132,43,.14);transform:translateY(-6px);}
.price-card .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:.7rem;font-weight:700;padding:5px 16px;border-radius:20px;white-space:nowrap;}
.price-card h3{color:var(--navy);font-size:1.1rem;margin-bottom:6px;}
.price-card .sub{color:var(--muted);font-size:.8rem;margin-bottom:18px;}
.price-card .amount{font-size:1.6rem;color:var(--navy);font-weight:700;margin-bottom:4px;}
.price-card .amount small{font-size:.7rem;color:var(--muted);font-weight:400;}
.price-card ul{margin:20px 0 26px;}
.price-card ul li{position:relative;padding-left:24px;margin-bottom:10px;font-size:.85rem;color:var(--text);}
.price-card ul li::before{content:"✓";position:absolute;left:0;color:var(--accent);font-weight:700;}

/* ---- faq ---- */
.faq-item{border-bottom:1px solid var(--line);padding:20px 0;}
.faq-item summary{cursor:pointer;font-weight:700;color:var(--navy);font-size:.96rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:1.3rem;color:var(--accent);font-weight:400;flex-shrink:0;}
.faq-item[open] summary::after{content:"−";}
.faq-item p{color:var(--muted);font-size:.88rem;margin-top:12px;padding-right:30px;}

/* ---- table (company profile) ---- */
.info-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.info-table tr{border-bottom:1px solid var(--line);}
.info-table tr:last-child{border-bottom:none;}
.info-table th{
  width:190px;text-align:left;background:var(--tint2);color:var(--navy);
  font-size:.85rem;font-weight:700;padding:18px 22px;vertical-align:top;
}
.info-table td{padding:18px 22px;font-size:.88rem;color:var(--text);}

/* ---- form ---- */
.form-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:36px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:.85rem;font-weight:700;color:var(--navy);margin-bottom:8px;}
.field label .req{color:var(--accent);font-size:.7rem;margin-left:6px;font-weight:700;}
.field input[type=text],.field input[type=email],.field input[type=tel],.field select,.field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font-size:.9rem;
  font-family:inherit;color:var(--text);background:#fbfcfe;
}
.field textarea{min-height:130px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--navy2);outline-offset:1px;}
.radio-row{display:flex;gap:18px;flex-wrap:wrap;}
.radio-row label{display:flex;align-items:center;gap:7px;font-size:.85rem;color:var(--text);font-weight:400;}

/* ---- cta band ---- */
.cta-band{background:linear-gradient(135deg,var(--navy-deep),var(--navy2));color:#fff;border-radius:var(--radius);padding:52px 44px;text-align:center;}
.cta-band h2{font-size:1.6rem;margin-bottom:14px;}
.cta-band p{color:#d9e7f4;margin-bottom:26px;}

/* ---- country chips ---- */
.country-strip{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.chip{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);padding:10px 18px;border-radius:30px;font-size:.85rem;font-weight:700;color:var(--navy);}
.chip .flag{font-size:1.1rem;}

/* ---- footer ---- */
footer.site{background:var(--navy-deep);color:#c9dbec;margin-top:40px;}
footer.site .wrap{padding:56px 24px 24px;}
.foot-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:34px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);}
.foot-brand .logo{color:#fff;margin-bottom:14px;}
.foot-brand p{font-size:.82rem;color:#a9c1d8;line-height:1.8;}
footer.site h4{color:#fff;font-size:.84rem;margin-bottom:16px;letter-spacing:.03em;}
footer.site ul li{margin-bottom:10px;}
footer.site a{font-size:.82rem;color:#a9c1d8;}
footer.site a:hover{color:#fff;}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:22px;font-size:.75rem;color:#82a0bc;flex-wrap:wrap;gap:10px;}
.demo-flag{background:var(--accent);color:#fff;text-align:center;font-size:.78rem;padding:9px 16px;line-height:1.6;}
.demo-flag b{font-weight:700;}

/* ---- column / article ---- */
.col-card .thumb{aspect-ratio:16/10;}
.col-meta{font-size:.74rem;color:var(--muted);margin-bottom:8px;}
.article-body{font-size:.95rem;color:var(--text);}
.article-body h2{color:var(--navy);font-size:1.3rem;margin:34px 0 14px;}
.article-body h3{color:var(--navy2);font-size:1.08rem;margin:26px 0 10px;}
.article-body p{margin-bottom:16px;color:var(--text);}
.article-body ul{margin:0 0 16px 4px;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:8px;color:var(--text);}
.article-body ul li::before{content:"・";position:absolute;left:0;color:var(--accent);}
.article-hero{width:100%;aspect-ratio:21/9;object-fit:cover;border-radius:var(--radius);margin-bottom:28px;}

/* ---- responsive ---- */
@media(max-width:920px){
  nav.main{position:fixed;top:0;right:-100%;width:82%;max-width:340px;height:100vh;background:#fff;
    flex-direction:column;align-items:stretch;padding:90px 26px 26px;transition:right .28s;box-shadow:-10px 0 30px rgba(0,0,0,.12);overflow-y:auto;}
  nav.main.open{right:0;}
  nav.main > ul{flex-direction:column;align-items:stretch;gap:0;}
  nav.main > ul > li > a{padding:14px 4px;border-bottom:1px solid var(--line);border-radius:0;}
  .dropdown{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;display:none;padding:0 0 0 14px;}
  nav.main > ul > li.mob-open .dropdown{display:block;}
  .nav-cta{margin:14px 4px 0;text-align:center;}
  .hamburger{display:flex;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .stats .wrap{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:30px;}
  .split.rev .img-col{order:0;}
  .case-card{grid-template-columns:1fr;}
  .case-card .img{aspect-ratio:16/9;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .hero h1{font-size:1.7rem;}
  .price-card.feat{transform:none;}
}
@media(max-width:600px){
  .foot-grid{grid-template-columns:1fr;}
  section{padding:52px 0;}
  .topbar .wrap{justify-content:center;text-align:center;}
}