:root{
  --blue:#0f5a9b;
  --blue-deep:#123b62;
  --blue-pale:#eef5fa;
  --ink:#183247;
  --muted:#5b6b78;
  --line:#d8e1e8;
  --paper:#ffffff;
  --soft:#f5f7f8;
  --orange:#e8782f;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans JP","Yu Gothic",YuGothic,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--ink);background:#fff;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
/* 日本語の語中分割を避け、意味のまとまりで自然に折り返す */
/* Meaning-based line control: never shrink text to fix Japanese wrapping. Use only where the intended semantic breaks are deliberate. */
.text-chunk{display:inline-block}
.semantic-lines>span{display:block}

.skip-link{position:fixed;left:12px;top:-60px;z-index:1000;background:#fff;border:2px solid var(--blue);padding:10px 14px}.skip-link:focus{top:12px}
.demo-bar{background:#2f3942;color:#fff;font-size:12px;text-align:center;padding:5px 16px;letter-spacing:.03em}
.utility{background:var(--blue-deep);color:#fff;font-size:12px}
.utility__inner,.site-header__inner,.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.utility__inner{display:flex;justify-content:space-between;gap:20px;padding:5px 0}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}
.site-header__inner{min-height:82px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;min-width:250px}
.brand__mark{width:42px;height:42px;flex:0 0 42px}
.brand__name{font-weight:800;color:#102c45;font-size:18px;letter-spacing:.02em;line-height:1.25}
.brand__sub{display:block;font-size:9px;font-weight:600;letter-spacing:.08em;color:#4b738f;margin-top:2px}
.global-nav{justify-self:center}
.global-nav ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:28px;font-size:14px;font-weight:700}
.global-nav a{display:block;padding:30px 0 25px;border-bottom:3px solid transparent}
.global-nav a:hover,.global-nav a[aria-current="page"]{color:var(--blue);border-color:var(--blue)}
.header-actions{display:flex;align-items:center;gap:12px}
.phone{font-weight:800;color:var(--blue-deep);font-size:19px;line-height:1.2;white-space:nowrap}.phone small{display:block;font-size:9px;color:var(--muted);text-align:right;margin-top:3px;font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border:1px solid var(--blue);background:#fff;color:var(--blue-deep);font-weight:800;font-size:14px;border-radius:2px;transition:.18s ease}
.btn:hover{background:var(--blue-pale)}
.btn--primary{background:var(--orange);border-color:var(--orange);color:#fff}.btn--primary:hover{background:#d56520}
.btn--blue{background:var(--blue);border-color:var(--blue);color:#fff}.btn--blue:hover{background:#0b4d86}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:2px;align-items:center;justify-content:center;flex-direction:column;gap:5px}.menu-toggle span{display:block;width:22px;height:2px;background:var(--blue-deep)}

.hero{position:relative;background:#dcebf5;min-height:520px;overflow:hidden}
.hero__media{position:absolute;inset:0}.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 52%}
.hero__overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(246,251,255,.96) 0%,rgba(246,251,255,.88) 34%,rgba(246,251,255,.28) 57%,rgba(246,251,255,0) 76%)}
.hero__inner{position:relative;z-index:2;min-height:520px;display:flex;align-items:center}
.hero__copy{max-width:610px;padding:54px 0 58px}
.eyebrow{color:var(--blue);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;margin:0 0 12px}
.hero h1{margin:0 0 18px;font-size:clamp(34px,4vw,54px);line-height:1.35;letter-spacing:.02em;color:#0d3f70;font-weight:800}
.hero p{font-size:17px;margin:0 0 28px;max-width:560px;color:#334d60;font-weight:600}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap}

.section{padding:78px 0}.section--soft{background:var(--soft)}.section--blue{background:var(--blue-pale)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;border-bottom:1px solid var(--line);padding-bottom:14px}
.section-head__main{display:flex;align-items:baseline;gap:12px}.section-head__main::before{content:"";width:4px;height:28px;background:var(--blue);display:block;align-self:center}
.section-head h2{margin:0;font-size:30px;color:#0f4678;line-height:1.35}.section-head small{color:#6e8596;font-size:11px;font-weight:800;letter-spacing:.12em}
.section-head a{color:var(--blue);font-size:13px;font-weight:800}

.service-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.service-card{border:1px solid var(--line);background:#fff;min-width:0}.service-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.service-card__body{padding:15px 14px 17px}.service-card h3{font-size:17px;color:#0c4f8d;margin:0 0 8px;line-height:1.45}.service-card p{font-size:13px;color:#536776;margin:0;line-height:1.7}

.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:50px;align-items:center}.split--reverse .split__media{order:2}.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover}.split__copy h2,.split__copy h3{color:#0e4a80;margin-top:0}.split__copy h2{font-size:32px;line-height:1.45;margin-bottom:18px}.split__copy p{color:#435a6a;margin:0 0 20px}.split__copy .btn{margin-top:6px}

.strength-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.strength{border-top:3px solid var(--blue);padding:22px 20px;background:#fff;border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.strength__num{font-size:28px;color:#86a9c6;font-weight:800;margin-bottom:8px}.strength h3{font-size:20px;margin:0 0 10px;color:#164f7c}.strength p{margin:0;color:#526875;font-size:14px}

.building-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.building-item{border-bottom:2px solid #cfdde7}.building-item img{width:100%;aspect-ratio:16/10;object-fit:cover}.building-item span{display:block;padding:10px 4px 12px;font-size:14px;font-weight:800;color:#294d68}

.area-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:38px;align-items:center}.area-map{min-height:260px;background:linear-gradient(135deg,#dcecf5,#f5fbff);border:1px solid #cfe0ea;position:relative;overflow:hidden}.area-map::before,.area-map::after{content:"";position:absolute;border:1px solid #9fc5dd;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}.area-map::before{width:180px;height:180px}.area-map::after{width:300px;height:300px}.area-map__core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:104px;height:104px;border-radius:50%;background:#fff;border:4px solid #2c7eb5;display:grid;place-items:center;text-align:center;color:#155a8d;font-weight:800;z-index:2}.area-copy h3{font-size:25px;margin:0 0 14px;color:#124f7f}.area-copy p{color:#526875;margin:0 0 16px}.area-list{display:grid;gap:8px}.area-list span{border-left:3px solid var(--blue);padding:5px 0 5px 12px;font-size:14px}

.news-list{border-top:1px solid var(--line)}.news-item{display:grid;grid-template-columns:120px 100px 1fr;gap:12px;padding:15px 4px;border-bottom:1px solid var(--line);align-items:center;font-size:14px}.news-item time{color:#687d8b}.news-item .tag{font-size:11px;color:var(--blue);font-weight:800;border:1px solid #b7d0df;padding:2px 7px;text-align:center}.news-item a{font-weight:700}.news-item a:hover{color:var(--blue)}

.cta{background:linear-gradient(90deg,#0f4e7f,#164f7c);color:#fff;padding:34px 0}.cta__inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:23px;margin:0 0 6px}.cta p{margin:0;color:#d9e7f1}.cta__actions{display:flex;align-items:center;gap:18px}.cta .phone{color:#fff}.cta .phone small{color:#d6e4ef}

.page-hero{background:#e6f0f6;position:relative;overflow:hidden}.page-hero__media{position:absolute;inset:0 0 0 45%}.page-hero__media img{width:100%;height:100%;object-fit:cover}.page-hero__overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(230,240,246,1) 0%,rgba(230,240,246,.98) 43%,rgba(230,240,246,.25) 72%,rgba(230,240,246,.05) 100%)}.page-hero__inner{position:relative;z-index:2;min-height:290px;display:flex;flex-direction:column;justify-content:center;padding:40px 0}.page-hero h1{font-size:40px;margin:0 0 10px;color:#0d477b}.page-hero p{margin:0;color:#405f73;font-weight:700}
.breadcrumbs{font-size:12px;color:#738795;margin-bottom:22px}.breadcrumbs a{color:#406f92}

.service-detail{display:grid;grid-template-columns:360px 1fr;gap:42px;padding:46px 0;border-bottom:1px solid var(--line);align-items:start}.service-detail:last-child{border-bottom:0}.service-detail:nth-child(even) .service-detail__media{order:2}.service-detail__media img{width:100%;aspect-ratio:4/3;object-fit:cover}.service-detail h2{font-size:27px;color:#0e4c81;margin:0 0 12px}.service-detail p{color:#4b6170;margin:0 0 16px}.task-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px 18px;margin:14px 0 0;padding:0;list-style:none}.task-list li{position:relative;padding-left:18px;font-size:14px;color:#3f5665}.task-list li::before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;margin-top:28px;border:1px solid var(--line)}.flow__item{padding:22px 16px;position:relative;border-right:1px solid var(--line);background:#fff}.flow__item:last-child{border-right:0}.flow__num{color:#8db0c8;font-weight:900;font-size:28px}.flow__item h3{font-size:16px;margin:4px 0 6px;color:#164f7c}.flow__item p{font-size:12px;margin:0;color:#60737f}

.company-intro{max-width:850px}.company-intro h2{font-size:30px;color:#0d4d80}.company-table{width:100%;border-collapse:collapse;margin:24px 0}.company-table th,.company-table td{border-top:1px solid var(--line);padding:13px 16px;text-align:left;vertical-align:top}.company-table th{width:190px;background:#f4f7f9;color:#35556b;font-size:13px}.company-table td{font-size:14px;color:#334b5b}
.timeline{border-left:2px solid #8fb5cf;margin:20px 0 0 14px;padding-left:28px}.timeline__item{position:relative;padding:0 0 24px}.timeline__item::before{content:"";position:absolute;width:11px;height:11px;background:#fff;border:3px solid var(--blue);border-radius:50%;left:-35px;top:5px}.timeline__year{font-weight:900;color:#0c548f;margin-bottom:4px}.timeline__text{color:#516674;font-size:14px}
.qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.qual{border:1px solid var(--line);background:#fff;padding:22px}.qual h3{margin:0 0 12px;color:#0d5089}.qual ul{margin:0;padding-left:18px;color:#526875;font-size:14px}.staff-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.staff-grid img{aspect-ratio:4/3;object-fit:cover;width:100%}

.contact-layout{display:grid;grid-template-columns:360px 1fr;gap:48px;align-items:start}.contact-card{background:var(--blue-pale);border:1px solid #cfe0ea;padding:26px}.contact-card h2{font-size:20px;margin:0 0 10px;color:#0d4d80}.contact-card .phone{font-size:30px}.form{display:grid;gap:18px}.field{display:grid;grid-template-columns:190px 1fr;gap:18px;align-items:start;border-bottom:1px solid var(--line);padding-bottom:18px}.field label{font-size:14px;font-weight:800;color:#27495f;padding-top:10px}.required{font-size:10px;background:#c84231;color:#fff;padding:2px 5px;margin-left:6px}.field input,.field select,.field textarea{width:100%;border:1px solid #bfcdd7;background:#fff;padding:11px 12px;border-radius:0;color:#263e4f}.field textarea{min-height:160px;resize:vertical}.form-note{font-size:12px;color:#667984;background:#f6f8f9;padding:12px}.form-actions{text-align:center}.form-result{display:none;margin-top:14px;padding:12px;border:1px solid #9bc0d9;background:#edf7fd;color:#0f567f;font-size:14px}.form-result.is-visible{display:block}

.site-footer{background:#17364e;color:#d8e6ef;padding:44px 0 20px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:36px}.site-footer .brand__name{color:#fff}.site-footer .brand__sub{color:#b7cbd8}.site-footer h3{font-size:13px;margin:0 0 10px;color:#fff}.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:7px;font-size:12px}.site-footer p{font-size:12px;color:#bdd0dc}.copyright{border-top:1px solid rgba(255,255,255,.15);margin-top:28px;padding-top:16px;font-size:11px;color:#aebfca;display:flex;justify-content:space-between;gap:20px}.demo-note{color:#f0cf93}


/* BtoB / partner additions */
.section--business{background:#f1f6f9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.business-lead{max-width:820px;margin-bottom:28px}
.business-lead h2,.business-detail h2,.partner-copy h2{margin:0 0 12px;font-size:31px;line-height:1.45;color:var(--blue-deep)}
.business-lead p,.business-detail p,.partner-copy p{color:var(--muted)}
.business-lead__title{font-size:20px;font-weight:800;color:var(--ink)!important;margin:0 0 10px}
.business-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid #bdcdd8;border-left:1px solid #bdcdd8;background:#fff}
.business-need{min-height:128px;padding:22px;border-right:1px solid #bdcdd8;border-bottom:1px solid #bdcdd8;display:grid;align-content:start;gap:8px}
.business-need span{font-size:12px;font-weight:900;color:var(--blue);letter-spacing:.08em}
.business-need strong{font-size:15px;line-height:1.65;color:#24465f}
.business-action{margin-top:24px}
.business-detail{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr);gap:50px;align-items:start}
.business-option-list{list-style:none;margin:0;padding:0;border-top:1px solid #bdcdd8;background:#fff}
.business-option-list li{padding:13px 16px;border-bottom:1px solid #bdcdd8;font-weight:800;color:#29495f;position:relative;padding-left:34px}
.business-option-list li::before{content:"";position:absolute;left:16px;top:22px;width:7px;height:7px;background:var(--blue)}
.section--partner{background:#fff}
.partner-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:46px;align-items:start}
.partner-box{border:1px solid #c8d5de;background:#f7fafc;padding:26px}
.partner-box h3{margin:0 0 14px;color:var(--blue-deep);font-size:20px}
.partner-list{display:grid;grid-template-columns:1fr 1fr;gap:0;list-style:none;margin:0;padding:0;border-top:1px solid #cbd8e0;border-left:1px solid #cbd8e0;background:#fff}
.partner-list li{padding:11px 13px;border-right:1px solid #cbd8e0;border-bottom:1px solid #cbd8e0;font-weight:800;font-size:14px;color:#2d4c61}
.partner-note{font-size:11px!important;margin:14px 0 0;color:#73838e!important}
@media (max-width:980px){
 .site-header__inner{grid-template-columns:auto 1fr auto;min-height:70px}.brand{min-width:0}.brand__name{font-size:16px}.global-nav{position:fixed;inset:0 0 auto 0;top:calc(70px + 27px);background:#fff;border-bottom:1px solid var(--line);transform:translateY(-120%);transition:.2s;z-index:90}.global-nav.is-open{transform:translateY(0)}.global-nav ul{display:grid;gap:0}.global-nav a{padding:14px 24px;border-bottom:1px solid var(--line)}.header-actions .phone,.header-actions .btn{display:none}.menu-toggle{display:flex}.utility{display:none}
 .hero,.hero__inner{min-height:480px}.hero__overlay{background:linear-gradient(90deg,rgba(246,251,255,.95) 0%,rgba(246,251,255,.8) 55%,rgba(246,251,255,.3) 100%)}.hero__copy{max-width:540px}.service-grid{grid-template-columns:repeat(3,1fr)}.split{gap:28px}.strength-grid{grid-template-columns:1fr}.building-grid{grid-template-columns:repeat(2,1fr)}.area-grid{grid-template-columns:1fr}.contact-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.service-detail{grid-template-columns:300px 1fr}.flow{grid-template-columns:repeat(3,1fr)}.flow__item{border-bottom:1px solid var(--line)}.qual-grid{grid-template-columns:1fr}.staff-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
 .utility__inner,.site-header__inner,.container{width:min(100% - 28px,var(--max))}.demo-bar{font-size:10px;padding:4px 10px}.site-header__inner{min-height:64px}.global-nav{top:calc(64px + 23px)}.brand__mark{width:35px;height:35px;flex-basis:35px}.brand__name{font-size:14px}.brand__sub{font-size:7px}.hero,.hero__inner{min-height:auto}.hero__media{position:relative;height:240px}.hero__overlay{background:linear-gradient(180deg,rgba(255,255,255,0) 50%,rgba(255,255,255,.85) 86%,#fff 100%)}.hero__inner{display:block}.hero__copy{padding:28px 0 42px}.hero h1{font-size:31px}.hero p{font-size:15px}.hero__actions{display:grid}.btn{width:100%}.section{padding:54px 0}.section-head{align-items:flex-start}.section-head__main{gap:8px}.section-head h2{font-size:25px}.service-grid{grid-template-columns:1fr 1fr}.service-card:last-child{grid-column:1/-1}.split,.split--reverse{grid-template-columns:1fr}.split--reverse .split__media{order:0}.split__copy h2{font-size:27px}.building-grid{grid-template-columns:1fr 1fr}.news-item{grid-template-columns:90px 1fr}.news-item .tag{display:none}.cta__inner{display:grid}.cta__actions{display:grid}.cta .phone{text-align:center}.page-hero__media{position:relative;inset:auto;height:180px}.page-hero__overlay{display:none}.page-hero__inner{min-height:auto;padding:30px 0}.page-hero h1{font-size:31px}.service-detail,.service-detail:nth-child(even){grid-template-columns:1fr}.service-detail:nth-child(even) .service-detail__media{order:0}.task-list{grid-template-columns:1fr}.flow{grid-template-columns:1fr}.flow__item{border-right:0}.company-table,.company-table tbody,.company-table tr,.company-table th,.company-table td{display:block;width:100%}.company-table th{border-bottom:0;padding-bottom:5px}.company-table td{padding-top:5px}.staff-grid{grid-template-columns:1fr}.field{grid-template-columns:1fr;gap:7px}.field label{padding-top:0}.footer-grid{grid-template-columns:1fr}.copyright{display:grid}.contact-card .phone{font-size:26px}.area-map{min-height:210px}
}

@media (max-width:980px){.business-grid{grid-template-columns:1fr 1fr}.business-detail,.partner-grid{grid-template-columns:1fr}.business-option-list{max-width:680px}}
@media (max-width:640px){.business-lead h2,.business-detail h2,.partner-copy h2{font-size:26px}.business-lead__title{font-size:18px}.business-grid{grid-template-columns:1fr}.business-need{min-height:auto;padding:16px 17px}.partner-list{grid-template-columns:1fr}.partner-box{padding:20px}.business-action .btn{width:100%}}