:root{
  --navy:#10263b;
  --navy-2:#17374f;
  --ink:#1c2730;
  --muted:#66727b;
  --line:#dfe5e8;
  --paper:#ffffff;
  --off:#f5f6f3;
  --accent:#176b67;
  --accent-soft:#e8f1ef;
  --max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--paper);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
  line-height:1.8;
  letter-spacing:.02em;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(calc(100% - 48px),var(--max));margin:auto}
.site-header{
  position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid rgba(223,229,232,.9)
}
.header-inner{height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:14px}
.brand-mark{
  width:38px;height:38px;border:1.5px solid var(--accent);display:grid;place-items:center;
  color:var(--accent);font-family:Georgia,serif;font-weight:700;font-size:17px
}
.brand-text strong{display:block;font-size:15px;letter-spacing:.08em}
.brand-text span{display:block;font-size:10px;color:var(--muted);letter-spacing:.16em}
.nav{display:flex;align-items:center;gap:26px;font-size:13px}
.nav a{padding:28px 0 25px;border-bottom:2px solid transparent}
.nav a:hover,.nav a.active{color:var(--accent);border-bottom-color:var(--accent)}
.menu-btn{display:none;border:0;background:transparent;font-size:26px;cursor:pointer;color:var(--navy)}
.hero{
  min-height:650px;display:flex;align-items:center;position:relative;overflow:hidden;
  background:
    linear-gradient(90deg,rgba(10,29,45,.97) 0%,rgba(10,29,45,.94) 38%,rgba(10,29,45,.72) 58%,rgba(10,29,45,.28) 82%,rgba(10,29,45,.12) 100%),
    url("https://images.pexels.com/photos/9799726/pexels-photo-9799726.jpeg?cs=srgb&dl=pexels-kindelmedia-9799726.jpg&fm=jpg") center right / cover no-repeat;
  color:white;
}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,29,45,.18),transparent 55%);pointer-events:none}
.hero-grid{display:none}
.hero-inner{position:relative;z-index:2;width:100%;padding:95px 0}
.eyebrow{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:18px}
.hero .eyebrow{color:#9dd2cc}
.hero h1{font-size:clamp(34px,4.6vw,58px);line-height:1.32;margin:0 0 28px;font-weight:600;letter-spacing:.04em}
.hero p{font-size:18px;line-height:1.9;max-width:670px;color:rgba(255,255,255,.86)}
.hero-company{margin-top:44px;border-left:2px solid #84c4bd;padding-left:16px}
.hero-company strong{display:block;font-size:15px;letter-spacing:.1em}
.hero-company span{font-size:12px;color:rgba(255,255,255,.65);letter-spacing:.16em}
section{padding:100px 0}
.section-off{background:var(--off)}
.section-head{display:flex;justify-content:space-between;gap:36px;align-items:flex-end;margin-bottom:48px}
.section-head h2{font-size:clamp(28px,3.6vw,44px);line-height:1.45;margin:0;font-weight:600;color:var(--navy)}
.section-head p{max-width:560px;margin:0;color:var(--muted)}
.kicker{font-size:11px;letter-spacing:.2em;color:var(--accent);font-weight:700;margin-bottom:10px}
.lead-copy{font-size:16px;line-height:2;max-width:820px;color:#39454d}
.service-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.service-card{
  border-top:3px solid var(--accent);background:white;padding:34px 34px 38px;min-height:310px;
  box-shadow:0 8px 30px rgba(15,36,52,.05)
}
.service-no{font-family:Georgia,serif;color:var(--accent);font-size:13px;letter-spacing:.12em}
.service-card h3{font-size:25px;color:var(--navy);margin:22px 0 18px}
.service-card p{color:#4d5961;margin:0}
.text-link{display:inline-flex;align-items:center;gap:10px;margin-top:26px;color:var(--accent);font-weight:700;font-size:13px}
.text-link::after{content:"→";transition:transform .2s}
.text-link:hover::after{transform:translateX(4px)}
.strength-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.strength{padding:34px 30px 36px;border-right:1px solid var(--line)}
.strength:last-child{border-right:0}
.strength span{color:var(--accent);font-family:Georgia,serif;font-size:15px}
.strength h3{font-size:20px;color:var(--navy);margin:16px 0 12px}
.strength p{color:var(--muted);font-size:14px;margin:0}
.rep-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}
.rep-panel{
  min-height:390px;background:var(--navy);position:relative;overflow:hidden;padding:44px;display:flex;align-items:flex-end;color:white
}
.rep-panel::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,transparent 58%,rgba(66,148,138,.42) 58% 61%,transparent 61%),
             linear-gradient(45deg,transparent 62%,rgba(255,255,255,.12) 62% 63%,transparent 63%);
}
.rep-panel div{position:relative}
.rep-panel small{display:block;letter-spacing:.18em;color:#a7c9c5;margin-bottom:12px}
.rep-panel strong{font-size:24px}
.rep-content h2{font-size:36px;color:var(--navy);margin:0 0 24px}
.rep-content p{color:#526069}
.company-strip{background:var(--navy);color:white;padding:60px 0}
.company-strip .container{display:flex;justify-content:space-between;align-items:center;gap:32px}
.company-strip h2{margin:0 0 8px;font-size:27px}
.company-strip p{margin:0;color:rgba(255,255,255,.7)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:1px solid currentColor;
  font-size:13px;font-weight:700;letter-spacing:.05em
}
.btn-light{color:white}
.btn-accent{background:var(--accent);border-color:var(--accent);color:white}
.page-hero{background:var(--navy);color:white;padding:88px 0 78px}
.page-hero .eyebrow{color:#9dd2cc}
.page-hero h1{font-size:44px;margin:0 0 12px;font-weight:600}
.page-hero p{color:rgba(255,255,255,.72);margin:0}
.profile-table{width:100%;border-collapse:collapse;border-top:1px solid var(--line)}
.profile-table th,.profile-table td{padding:19px 16px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
.profile-table th{width:180px;color:var(--navy);font-weight:600;background:#fafafa}
.business-list{margin-top:48px}
.business-item{padding:28px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:90px 1fr;gap:24px}
.business-item:last-child{border-bottom:1px solid var(--line)}
.business-item .num{color:var(--accent);font-family:Georgia,serif}
.business-item h3{margin:0 0 8px;color:var(--navy);font-size:20px}
.business-group + .business-group-other{margin-top:38px}
.business-group-title{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.08em;margin:0 0 0;padding:0 0 12px}
.business-group-other .business-item h3{font-size:18px}

.quote-section{max-width:900px}
.quote-section p{font-size:17px;line-height:2.05}
.timeline{border-left:1px solid var(--line);margin-left:90px}
.timeline-item{position:relative;padding:0 0 42px 42px}
.timeline-item::before{content:"";position:absolute;left:-5px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--accent)}
.timeline-date{position:absolute;left:-130px;top:0;width:100px;color:var(--accent);font-weight:700}
.timeline-item h3{font-size:18px;color:var(--navy);margin:0 0 8px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{padding:8px 13px;border:1px solid var(--line);background:white;font-size:13px}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px}
.contact-note{background:var(--off);padding:32px}
.form-row{margin-bottom:20px}
label{display:block;font-size:13px;font-weight:700;color:var(--navy);margin-bottom:7px}
input,textarea{
  width:100%;border:1px solid #cfd8dc;background:white;padding:13px 14px;font:inherit;border-radius:0
}
textarea{min-height:170px;resize:vertical}
.required{font-size:10px;color:var(--accent);margin-left:8px}
.site-footer{background:#0c1e2c;color:rgba(255,255,255,.72);padding:54px 0 30px}
.footer-top{display:flex;justify-content:space-between;gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.13)}
.footer-brand strong{display:block;color:white;letter-spacing:.08em}
.footer-brand span{font-size:11px;letter-spacing:.15em}
.footer-nav{display:flex;gap:22px;flex-wrap:wrap;font-size:12px}
.footer-bottom{padding-top:24px;font-size:11px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.notice{padding:14px 16px;border-left:3px solid var(--accent);background:var(--accent-soft);font-size:13px;color:#3d5855;margin-top:22px}
@media (max-width:860px){
  .container{width:min(calc(100% - 32px),var(--max))}
  .nav{display:none;position:absolute;top:78px;left:0;right:0;background:white;border-bottom:1px solid var(--line);padding:16px 24px;flex-direction:column;align-items:flex-start;gap:2px}
  .nav.open{display:flex}
  .nav a{padding:11px 0;width:100%;border-bottom:1px solid #edf0f1}
  .menu-btn{display:block}
  .hero{min-height:590px}
  .hero::after,.hero-grid{opacity:.45}
  section{padding:72px 0}
  .section-head{display:block}
  .section-head p{margin-top:20px}
  .service-grid,.rep-wrap,.contact-grid{grid-template-columns:1fr}
  .strength-grid{grid-template-columns:1fr}
  .strength{border-right:0;border-bottom:1px solid var(--line)}
  .strength:last-child{border-bottom:0}
  .company-strip .container{display:block}
  .company-strip .btn{margin-top:24px}
  .rep-panel{min-height:280px}
}
@media (max-width:560px){
  .header-inner{height:68px}
  .brand-mark{width:34px;height:34px}
  .brand-text strong{font-size:13px}
  .nav{top:68px}
  .hero{min-height:540px}
  .hero-inner{padding:70px 0}
  .hero h1{font-size:34px}
  .hero p{font-size:15px}
  .page-hero{padding:68px 0 58px}
  .page-hero h1{font-size:35px}
  .profile-table th,.profile-table td{display:block;width:100%;padding:12px 14px}
  .profile-table th{border-bottom:0;padding-bottom:2px}
  .business-item{grid-template-columns:1fr;gap:6px}
  .timeline{margin-left:0;border-left:0}
  .timeline-item{padding-left:24px}
  .timeline-item::before{left:0}
  .timeline-date{position:static;width:auto;margin-bottom:6px}
  .footer-top{display:block}
  .footer-nav{margin-top:24px}
}

.rep-title{font-size:19px;color:var(--navy);margin:-10px 0 20px;font-weight:600}
.rep-content p strong{color:var(--navy)}
.footer-brand strong{font-size:14px}
.footer-brand span{font-size:12px}
.footer-nav{font-size:14px}
.footer-bottom{font-size:13px}
@media (max-width:860px){
  .hero{
    min-height:590px;
    background:
      linear-gradient(90deg,rgba(10,29,45,.94) 0%,rgba(10,29,45,.82) 55%,rgba(10,29,45,.46) 100%),
      url("https://images.pexels.com/photos/9799726/pexels-photo-9799726.jpeg?cs=srgb&dl=pexels-kindelmedia-9799726.jpg&fm=jpg") center / cover no-repeat;
  }
}

/* Services page refinements */
.service-section-main{padding-top:88px;padding-bottom:86px}
.service-head{margin-bottom:34px}
.service-section .lead-copy{max-width:940px}
.support-themes{margin-top:42px;max-width:980px}
.support-themes h3{font-size:14px;letter-spacing:.12em;color:var(--navy);margin:0 0 18px;font-weight:700}
.theme-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.theme-item{padding:22px 28px 22px 0;border-bottom:1px solid var(--line)}
.theme-item:nth-child(even){padding-left:28px;border-left:1px solid var(--line)}
.theme-item strong{display:block;color:var(--navy);font-size:17px;margin-bottom:6px}
.theme-item p{margin:0;color:var(--muted);font-size:14px;line-height:1.8}
.service-section-other{padding-top:78px;padding-bottom:78px}
.service-cta{background:var(--off);padding:70px 0}
.service-cta-inner{display:flex;justify-content:space-between;align-items:center;gap:48px}
.service-cta h2{font-size:32px;color:var(--navy);margin:0 0 10px}
.service-cta p{margin:0;max-width:700px;color:var(--muted)}
.service-cta .btn{flex:0 0 auto}
@media (max-width:860px){
  .service-section-main{padding-top:72px;padding-bottom:70px}
  .theme-list{grid-template-columns:1fr}
  .theme-item:nth-child(even){padding-left:0;border-left:0}
  .service-cta-inner{display:block}
  .service-cta .btn{margin-top:24px}
}
@media (max-width:560px){
  .support-themes{margin-top:34px}
  .theme-item{padding:18px 0}
  .theme-item strong{font-size:16px}
  .theme-item p{font-size:13px}
  .service-cta{padding:58px 0}
  .service-cta h2{font-size:28px}
}


/* Message page refinements */
.message-hero{padding-bottom:72px}
.message-section{padding-top:88px;padding-bottom:104px}
.message-wrap{max-width:920px}
.message-intro{max-width:860px;margin-bottom:46px;padding-bottom:38px;border-bottom:1px solid var(--line)}
.message-intro p{margin:0;color:var(--navy);font-size:clamp(24px,2.8vw,32px);line-height:1.7;font-weight:600;letter-spacing:.035em}
.message-body{max-width:820px}
.message-body p{margin:0 0 30px;color:#43515a;font-size:17px;line-height:2.05}
.message-key{margin:48px 0 !important;padding:30px 34px;border-left:3px solid var(--accent);background:var(--off);color:var(--navy) !important;font-size:clamp(21px,2.6vw,28px) !important;line-height:1.75 !important;font-weight:600}
.message-closing{margin-top:48px !important;color:var(--navy) !important;font-size:20px !important;line-height:1.9 !important;font-weight:600}
.message-signature{margin-top:58px;padding-top:28px;border-top:1px solid var(--line);display:flex;flex-direction:column;align-items:flex-end;text-align:right}
.message-signature strong{color:var(--navy);font-size:21px;letter-spacing:.04em;margin-bottom:6px}
.message-signature span{color:var(--muted);font-size:14px;line-height:1.8}
@media (max-width:860px){
  .message-section{padding-top:72px;padding-bottom:84px}
  .message-intro{margin-bottom:38px;padding-bottom:30px}
  .message-body p{font-size:16px}
  .message-key{margin:40px 0 !important;padding:26px 26px}
}
@media (max-width:560px){
  .message-hero{padding-bottom:58px}
  .message-section{padding-top:58px;padding-bottom:70px}
  .message-intro p{font-size:24px;line-height:1.65}
  .message-body p{font-size:15px;line-height:2}
  .message-key{margin:34px 0 !important;padding:22px 20px;font-size:20px !important}
  .message-closing{font-size:18px !important}
  .message-signature{margin-top:44px}
}


/* Profile page refinements */
.experience-groups{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:8px}
.experience-group{padding:26px 24px 28px;background:white;border-top:2px solid var(--accent)}
.experience-group h3{margin:0 0 18px;color:var(--navy);font-size:18px;line-height:1.5}
.experience-group .tag-list{gap:8px}
.experience-group .tag{font-size:13px;padding:7px 10px}
.experience-bridge{margin-top:46px;max-width:900px;padding:34px 38px;background:var(--paper);border-left:3px solid var(--accent)}
.experience-bridge .kicker{margin-bottom:8px}
.experience-bridge h3{margin:0 0 12px;color:var(--navy);font-size:27px;line-height:1.5}
.experience-bridge p{margin:0;color:#43515a;font-size:16px;line-height:2}
@media (max-width:860px){
  .experience-groups{grid-template-columns:1fr;gap:18px}
  .experience-group{padding:22px 20px 24px}
  .experience-bridge{margin-top:36px;padding:28px 24px}
}
@media (max-width:560px){
  .timeline{border-left:1px solid var(--line);margin-left:7px;padding-left:0}
  .timeline-item{padding:0 0 34px 28px}
  .timeline-item::before{left:-5px;top:7px}
  .timeline-date{position:static;width:auto;margin:0 0 5px;color:var(--accent);font-size:14px}
  .timeline-item h3{font-size:17px;line-height:1.65;margin-bottom:7px}
  .timeline-item p{font-size:14px;line-height:1.9}
  .experience-bridge{padding:24px 20px}
  .experience-bridge h3{font-size:24px}
  .experience-bridge p{font-size:15px;line-height:2}
  .site-footer{padding:44px 0 28px}
  .footer-top{display:block}
  .footer-nav{display:grid;grid-template-columns:1fr 1fr;gap:0 18px;margin-top:22px}
  .footer-nav a{padding:7px 0;font-size:14px;line-height:1.6}
  .footer-bottom{padding-top:20px;font-size:12px;display:block}
  .footer-bottom span{display:block}
  .footer-bottom span + span{margin-top:8px}
}

/* XREA PHPお問い合わせフォーム */
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.form-status{margin-bottom:1.5rem;padding:1rem 1.2rem;border-radius:6px;line-height:1.7;}
.form-status-success{background:#eef7f1;border:1px solid #b8d9c2;color:#245c35;}
.form-status-error{background:#fff1f1;border:1px solid #e2b5b5;color:#8a2d2d;}