:root{
  --mkt-ink:#1a2533;
  --mkt-ink-soft:#3a4a5e;
  --mkt-paper:#f6f3ec;
  --mkt-paper-2:#efe9dc;
  --mkt-line:#d9d2bf;
  --mkt-blue:#263f5f;
  --mkt-blue-2:#355079;
  --mkt-green:#2d4d3a;
  --mkt-green-2:#3f6b52;
  --mkt-accent:#b8a377;
  --mkt-warn:#8b3a2b;
  --mkt-shadow:0 1px 2px rgba(26,37,51,0.06);
  --mkt-shadow-lg:0 3px 10px rgba(26,37,51,0.08);
  --mkt-radius:4px;
  --mkt-maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{
  font-family:"Noto Sans JP","IBM Plex Sans","Hiragino Kaku Gothic ProN",sans-serif;
  color:var(--mkt-ink);
  background:var(--mkt-paper);
  line-height:1.78;
  letter-spacing:0.01em;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--mkt-blue);text-decoration:none}
a:hover{color:var(--mkt-blue-2);text-decoration:underline}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:"IBM Plex Sans","Noto Sans JP",sans-serif;color:var(--mkt-ink);line-height:1.4;font-weight:600}
h1{font-size:1.85rem;letter-spacing:0.02em}
h2{font-size:1.45rem;margin-bottom:0.9rem}
h3{font-size:1.15rem;margin-bottom:0.6rem}
p{margin-bottom:1rem}
ul,ol{padding-left:1.4rem;margin-bottom:1rem}
li{margin-bottom:0.4rem}
.container{max-width:var(--mkt-maxw);margin:0 auto;padding:0 1.2rem}
.site-header{
  background:#ffffff;
  border-bottom:2px solid var(--mkt-blue);
  padding:0.8rem 0 0;
  position:sticky;top:0;z-index:100;
}
.header-top{text-align:center;padding-bottom:0.6rem;border-bottom:1px solid var(--mkt-line)}
.brand-title{font-size:1.3rem;color:var(--mkt-blue);font-weight:700;letter-spacing:0.08em}
.brand-sub{font-size:0.78rem;color:var(--mkt-ink-soft);letter-spacing:0.14em;margin-top:0.15rem}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:0.55rem 0;
  gap:1rem;flex-wrap:wrap;
}
.nav-left,.nav-right{display:flex;gap:0.2rem;flex-wrap:wrap}
.nav-row a.navlink{
  color:var(--mkt-ink);padding:0.45rem 0.85rem;font-size:0.9rem;
  border:1px solid transparent;border-radius:var(--mkt-radius);
  letter-spacing:0.04em;
}
.nav-row a.navlink:hover{background:var(--mkt-paper-2);text-decoration:none;color:var(--mkt-blue)}
.nav-row a.navlink.active{border-color:var(--mkt-blue);color:var(--mkt-blue);font-weight:600}
.mega-trigger{cursor:pointer;background:none;border:none;font:inherit;color:inherit;display:inline-flex;align-items:center;gap:0.3rem}
.mega-trigger svg{width:14px;height:14px}
.mega-wrap{position:relative}
.mega-panel{
  position:absolute;top:calc(100% + 8px);left:0;
  background:#fff;border:1px solid var(--mkt-line);border-top:3px solid var(--mkt-blue);
  box-shadow:var(--mkt-shadow-lg);
  padding:1rem 1.2rem;min-width:320px;display:none;z-index:120;
}
.mega-panel.open{display:block}
.mega-panel h4{font-size:0.78rem;color:var(--mkt-ink-soft);letter-spacing:0.14em;margin-bottom:0.7rem;text-transform:uppercase}
.mega-panel ul{list-style:none;padding:0;margin:0}
.mega-panel li{margin-bottom:0.5rem;font-size:0.9rem}
.mega-panel li a{color:var(--mkt-ink);display:block;padding:0.3rem 0;border-bottom:1px dotted var(--mkt-line)}
.mega-panel li a:hover{color:var(--mkt-blue)}
.btn{
  display:inline-block;padding:0.7rem 1.4rem;font-size:0.92rem;
  border-radius:var(--mkt-radius);letter-spacing:0.06em;
  transition:all 0.18s ease;cursor:pointer;font-family:inherit;
  border:1px solid transparent;text-align:center;
}
.btn-primary{background:var(--mkt-blue);color:#fff;border-color:var(--mkt-blue)}
.btn-primary:hover{background:var(--mkt-blue-2);color:#fff;text-decoration:none}
.btn-outline{background:transparent;color:var(--mkt-blue);border-color:var(--mkt-blue)}
.btn-outline:hover{background:var(--mkt-blue);color:#fff;text-decoration:none}
.btn-ghost{background:#fff;color:var(--mkt-green);border-color:var(--mkt-green)}
.btn-ghost:hover{background:var(--mkt-green);color:#fff;text-decoration:none}
.btn-sm{padding:0.5rem 1rem;font-size:0.85rem}
.mobile-toggle{display:none;background:none;border:1px solid var(--mkt-line);padding:0.4rem 0.6rem;border-radius:var(--mkt-radius);cursor:pointer}
.mobile-toggle svg{width:20px;height:20px}
.hero{
  position:relative;
  background:linear-gradient(rgba(26,37,51,0.55),rgba(38,63,95,0.55)),url('../visuals/home-kogi-hero.jpg') center/cover no-repeat;
  color:#fff;padding:5rem 0 4.5rem;margin-bottom:2.5rem;
}
.hero-inner{max-width:820px}
.hero .kicker{font-size:0.78rem;letter-spacing:0.3em;color:var(--mkt-accent);margin-bottom:0.9rem;text-transform:uppercase}
.hero h1{color:#fff;font-size:2.1rem;margin-bottom:0.6rem;line-height:1.35}
.hero .sub{font-size:1rem;color:#e8e0c7;margin-bottom:1.4rem;letter-spacing:0.05em}
.hero .summary{
  background:rgba(255,255,255,0.08);border-left:3px solid var(--mkt-accent);
  padding:1rem 1.2rem;margin:1.4rem 0;font-size:0.92rem;color:#f1ecdc;
}
.hero .summary strong{color:#fff}
.hero-cta{display:flex;gap:0.8rem;flex-wrap:wrap;margin-top:1.2rem}
.hero-cta .btn-primary{background:var(--mkt-accent);border-color:var(--mkt-accent);color:var(--mkt-ink)}
.hero-cta .btn-primary:hover{background:#c9b488;border-color:#c9b488;color:var(--mkt-ink)}
.hero-cta .btn-outline{color:#fff;border-color:#fff}
.hero-cta .btn-outline:hover{background:#fff;color:var(--mkt-blue)}
section{padding:3rem 0}
.section-heading{display:flex;align-items:flex-start;gap:1rem;margin-bottom:2rem;border-bottom:1px solid var(--mkt-line);padding-bottom:1rem}
.sec-num{
  flex-shrink:0;width:44px;height:44px;border-radius:50%;
  background:var(--mkt-blue);color:#fff;display:flex;align-items:center;justify-content:center;
  font-family:"IBM Plex Sans",serif;font-weight:600;font-size:1rem;letter-spacing:0.04em;
}
.section-heading .htxt h2{margin-bottom:0.15rem}
.section-heading .htxt .en{font-size:0.75rem;letter-spacing:0.22em;color:var(--mkt-ink-soft);text-transform:uppercase}
.mv-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.mv-card{background:#fff;border:1px solid var(--mkt-line);border-top:4px solid var(--mkt-green);padding:1.6rem;box-shadow:var(--mkt-shadow)}
.mv-card h3{color:var(--mkt-green);margin-bottom:0.8rem}
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.pillar{
  background:#fff;border:1px solid var(--mkt-line);padding:1.5rem 1.2rem;
  position:relative;box-shadow:var(--mkt-shadow);
}
.pillar .badge{
  position:absolute;top:-14px;left:1.2rem;
  background:var(--mkt-accent);color:var(--mkt-ink);font-size:0.75rem;font-weight:600;
  padding:0.25rem 0.7rem;letter-spacing:0.14em;
}
.pillar h3{font-size:1rem;margin:0.7rem 0 0.5rem;color:var(--mkt-blue)}
.pillar p{font-size:0.9rem;color:var(--mkt-ink-soft);margin:0}
.pillar img{margin-bottom:0.8rem;border:1px solid var(--mkt-line)}
.about-block{display:grid;grid-template-columns:1.1fr 0.9fr;gap:2.4rem;align-items:center}
.about-block img{border:1px solid var(--mkt-line);box-shadow:var(--mkt-shadow)}
.about-block .lead{font-size:1rem;color:var(--mkt-ink-soft)}
.about-block ul{margin-top:1rem}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.article-card{
  background:#fff;border:1px solid var(--mkt-line);display:flex;flex-direction:column;
  box-shadow:var(--mkt-shadow);transition:transform 0.18s ease,box-shadow 0.18s ease;
}
.article-card:hover{transform:translateY(-3px);box-shadow:var(--mkt-shadow-lg)}
.article-card img{border-bottom:1px solid var(--mkt-line)}
.article-card .body{padding:1.1rem 1.2rem 1.3rem;display:flex;flex-direction:column;flex:1}
.article-card .tag{font-size:0.72rem;letter-spacing:0.18em;color:var(--mkt-green);text-transform:uppercase;margin-bottom:0.4rem}
.article-card h3{font-size:1rem;margin-bottom:0.55rem}
.article-card h3 a{color:var(--mkt-ink)}
.article-card h3 a:hover{color:var(--mkt-blue);text-decoration:none}
.article-card p{font-size:0.88rem;color:var(--mkt-ink-soft);margin-bottom:0.9rem;flex:1}
.article-card .meta{font-size:0.78rem;color:var(--mkt-ink-soft);letter-spacing:0.04em}
.glossary-preview{background:var(--mkt-paper-2);padding:3rem 0}
.glossary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.glossary-card{background:#fff;border:1px solid var(--mkt-line);padding:1.1rem 1.2rem}
.glossary-card .gnum{font-family:"IBM Plex Sans";font-size:0.72rem;letter-spacing:0.2em;color:var(--mkt-accent);margin-bottom:0.4rem}
.glossary-card h4{font-size:0.95rem;margin-bottom:0.4rem;color:var(--mkt-blue)}
.glossary-card p{font-size:0.85rem;color:var(--mkt-ink-soft);margin:0}
.closing-cta{background:var(--mkt-blue);color:#fff;padding:3rem 0;text-align:center}
.closing-cta h2{color:#fff}
.closing-cta p{color:#cddaed;max-width:640px;margin:0 auto 1.4rem}
.closing-cta .btn-primary{background:var(--mkt-accent);border-color:var(--mkt-accent);color:var(--mkt-ink)}
.closing-cta .btn-outline{color:#fff;border-color:#fff}
.closing-cta .btn-outline:hover{background:#fff;color:var(--mkt-blue)}
.report-header{
  background:#fff;border-bottom:1px solid var(--mkt-line);
  padding:2.8rem 0 2rem;
}
.report-header .lead-kicker{font-family:"IBM Plex Sans";font-size:0.78rem;letter-spacing:0.24em;color:var(--mkt-ink-soft);text-transform:uppercase;margin-bottom:0.7rem}
.report-header h1{font-size:1.85rem;margin-bottom:0.5rem}
.report-header .subline{color:var(--mkt-ink-soft);font-size:0.95rem}
.report-header .meta-row{display:flex;gap:1.4rem;flex-wrap:wrap;margin-top:1rem;font-size:0.82rem;color:var(--mkt-ink-soft)}
.two-col{display:grid;grid-template-columns:1.05fr 0.95fr;gap:2.4rem;align-items:flex-start}
.article-body{max-width:780px;margin:0 auto}
.article-body h2{margin-top:2.2rem;padding-bottom:0.4rem;border-bottom:1px solid var(--mkt-line);display:flex;align-items:center;gap:0.7rem}
.article-body h2::before{
  content:"";width:28px;height:28px;border-radius:50%;background:var(--mkt-blue);
  display:inline-block;flex-shrink:0;
}
.article-body h3{margin-top:1.6rem;color:var(--mkt-green);font-size:1.05rem}
.article-body blockquote{border-left:3px solid var(--mkt-accent);padding:0.6rem 1.1rem;margin:1.1rem 0;background:var(--mkt-paper-2);color:var(--mkt-ink-soft);font-size:0.94rem}
.article-body img.hero-img{border:1px solid var(--mkt-line);margin:1rem 0 1.6rem}
.article-body ul{list-style:square}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:2.4rem 0;border-top:1px solid var(--mkt-line);padding-top:1.6rem}
.prev-next a{display:block;padding:1rem 1.2rem;border:1px solid var(--mkt-line);background:#fff}
.prev-next a:hover{border-color:var(--mkt-blue);text-decoration:none}
.prev-next .lab{font-size:0.72rem;letter-spacing:0.18em;color:var(--mkt-ink-soft);text-transform:uppercase;margin-bottom:0.3rem}
.prev-next .ttl{color:var(--mkt-ink);font-size:0.95rem;font-weight:600}
.prev-next .nxt{text-align:right}
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:2.4rem;align-items:flex-start}
.contact-form{background:#fff;border:1px solid var(--mkt-line);padding:1.8rem;box-shadow:var(--mkt-shadow)}
.contact-form h2{margin-bottom:1rem}
.form-row{margin-bottom:1.1rem}
.form-row label{display:block;font-size:0.85rem;color:var(--mkt-ink-soft);margin-bottom:0.35rem;letter-spacing:0.04em}
.form-row input,.form-row textarea{
  width:100%;padding:0.7rem 0.85rem;border:1px solid var(--mkt-line);background:#fcfaf3;
  font-family:inherit;font-size:0.92rem;color:var(--mkt-ink);border-radius:var(--mkt-radius);
}
.form-row textarea{min-height:130px;resize:vertical}
.form-row input:focus,.form-row textarea:focus{outline:none;border-color:var(--mkt-blue);background:#fff}
.contact-info{background:var(--mkt-paper-2);border:1px solid var(--mkt-line);padding:1.8rem}
.contact-info h3{color:var(--mkt-blue);margin-bottom:1rem}
.info-row{display:flex;align-items:flex-start;gap:0.8rem;margin-bottom:1.1rem;font-size:0.92rem}
.info-row svg{width:20px;height:20px;color:var(--mkt-green);flex-shrink:0;margin-top:3px}
.info-row .lab{font-size:0.75rem;letter-spacing:0.16em;color:var(--mkt-ink-soft);text-transform:uppercase;margin-bottom:0.2rem}
.map-wrap{margin-top:2.2rem;border:1px solid var(--mkt-line);background:#fff}
.map-wrap iframe{width:100%;height:380px;border:0;display:block}
.map-wrap .map-foot{padding:0.8rem 1rem;border-top:1px solid var(--mkt-line);font-size:0.85rem;display:flex;justify-content:space-between;align-items:center}
.policy-body{max-width:800px;margin:0 auto;background:#fff;border:1px solid var(--mkt-line);padding:2.4rem;box-shadow:var(--mkt-shadow)}
.policy-body h2{margin-top:1.8rem;color:var(--mkt-blue);font-size:1.1rem;border-bottom:1px solid var(--mkt-line);padding-bottom:0.4rem}
.policy-body h2:first-of-type{margin-top:0}
.policy-body ol{padding-left:1.4rem}
.collection-intro{background:#fff;border-left:4px solid var(--mkt-blue);padding:1.4rem 1.8rem;margin-bottom:2rem}
.collection-list{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem}
.note-item{background:#fff;border:1px solid var(--mkt-line);padding:1.4rem;box-shadow:var(--mkt-shadow)}
.note-item .ord{font-family:"IBM Plex Sans";font-size:0.75rem;letter-spacing:0.2em;color:var(--mkt-accent)}
.note-item h3{margin:0.4rem 0 0.6rem}
.note-item p{font-size:0.9rem;color:var(--mkt-ink-soft)}
#glossary{padding:3rem 0;background:var(--mkt-paper-2)}
.glossary-full{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.glossary-full .glossary-card{border-left:3px solid var(--mkt-green)}
.site-footer{background:var(--mkt-ink);color:#cfd6df;padding:3rem 0 1.5rem;margin-top:3rem}
.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;margin-bottom:2rem}
.footer-col h4{color:#fff;font-size:0.95rem;margin-bottom:1rem;letter-spacing:0.14em;border-bottom:1px solid #3a4a5e;padding-bottom:0.5rem}
.footer-col p,.footer-col li{font-size:0.85rem;color:#b4bdc7;margin-bottom:0.5rem}
.footer-col ul{list-style:none;padding:0}
.footer-col a{color:#d4dbe3}
.footer-col a:hover{color:#fff}
.footer-feat h5{color:#fff;font-size:0.8rem;letter-spacing:0.14em;margin:1.2rem 0 0.7rem;text-transform:uppercase}
.footer-feat ul li a{font-size:0.85rem;display:block;padding:0.3rem 0;border-bottom:1px dotted #3a4a5e}
.footer-bottom{border-top:1px solid #3a4a5e;padding-top:1.2rem;font-size:0.78rem;color:#8b96a3;display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.footer-bottom a{color:#b4bdc7}
.cookie-banner{
  position:fixed;bottom:20px;right:20px;max-width:380px;z-index:9000;
  background:#fff;border:1px solid var(--mkt-line);border-top:4px solid var(--mkt-blue);
  box-shadow:0 8px 24px rgba(26,37,51,0.18);
  padding:1.3rem 1.4rem;
  display:none;
}
.cookie-banner.show{display:block}
.cookie-banner h5{font-size:0.95rem;color:var(--mkt-blue);margin-bottom:0.6rem;letter-spacing:0.06em}
.cookie-banner p{font-size:0.85rem;color:var(--mkt-ink-soft);margin-bottom:1rem;line-height:1.6}
.cookie-banner .cb-actions{display:flex;gap:0.6rem;flex-wrap:wrap}
.cookie-banner .btn{flex:1;padding:0.55rem 0.9rem;font-size:0.85rem}
.cookie-banner .btn-outline{background:#fff}
.modal-backdrop{
  position:fixed;inset:0;background:rgba(26,37,51,0.5);z-index:9500;
  display:none;align-items:center;justify-content:center;padding:1.2rem;
}
.modal-backdrop.show{display:flex}
.modal-card{
  background:#fff;max-width:460px;width:100%;border-top:4px solid var(--mkt-green);
  padding:1.8rem;box-shadow:var(--mkt-shadow-lg);
}
.modal-card h4{color:var(--mkt-green);margin-bottom:0.7rem}
.modal-card p{font-size:0.92rem;color:var(--mkt-ink-soft);margin-bottom:1.2rem}
.modal-card .btn{width:100%}
@media (max-width:960px){
  .mv-grid{grid-template-columns:1fr}
  .pillars{grid-template-columns:repeat(2,1fr)}
  .about-block,.two-col,.contact-layout{grid-template-columns:1fr}
  .article-grid,.glossary-grid,.glossary-full,.collection-list{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding:3.5rem 0 3rem}
  .hero h1{font-size:1.6rem}
  h1{font-size:1.5rem}
  .mobile-toggle{display:inline-flex}
  .nav-left,.nav-right{display:none;flex-direction:column;width:100%;gap:0.25rem}
  .nav-row.open .nav-left,.nav-row.open .nav-right{display:flex}
  .mega-panel{position:static;display:none;box-shadow:none;border:none;border-top:1px solid var(--mkt-line);padding:0.8rem}
  .mega-panel.open{display:block}
}
@media (max-width:600px){
  .pillars,.article-grid,.glossary-grid,.glossary-full,.collection-list{grid-template-columns:1fr}
  .prev-next{grid-template-columns:1fr}
  .prev-next .nxt{text-align:left}
  .hero h1{font-size:1.35rem}
  .hero{padding:2.8rem 0 2.4rem}
  .cookie-banner{left:12px;right:12px;bottom:12px;max-width:none}
}