:root{
  --bg:#ffffff;
  --surface:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --line:rgba(15,23,42,.10);
  --soft:rgba(15,23,42,.04);
  --accent:#d59aa8;  /* soft rose */
  --radius:18px;
  --max:1100px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui,-apple-system,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  color:var(--text);
  line-height:1.75;
  background:
    radial-gradient(900px 520px at 15% -10%, rgba(213,154,168,.20), transparent 60%),
    radial-gradient(900px 520px at 90% 0%, rgba(122,162,255,.10), transparent 55%),
    var(--bg);
}

a{color:inherit;text-decoration:none}
a:hover{opacity:.92}
.container{width:min(var(--max), calc(100% - 48px));margin-inline:auto}

.site-header{
  position:sticky;top:0;z-index:50;
  background: rgba(255,255,255,.84);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  display:flex;justify-content:space-between;align-items:center;
  gap:16px;padding:14px 0;
}
.brand{display:flex;align-items:center;gap:12px;min-width:auto;}
.brand img{height:72px;width:auto;display:block}
.brand-name{font-weight:900;letter-spacing:.02em}

.site-nav{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.nav-link{
  padding:9px 12px;border-radius:12px;
  border:1px solid transparent;
  color:var(--muted);
  background:transparent;
}
.nav-link:hover{
  border-color: var(--line);
  background: var(--soft);
  color: var(--text);
}
.nav-link.active{
  border-color: rgba(213,154,168,.55);
  background: rgba(213,154,168,.16);
  color: var(--text);
}
.nav-cta{
  border-color: rgba(213,154,168,.55);
  background: rgba(213,154,168,.20);
  color: var(--text);
}

.main{padding:18px 0 34px}
.section{padding:28px 0}
.page-title{margin:0 0 14px;font-size:30px}
.subtle{color:var(--muted)}

.card{
  border: 1px solid var(--line);
  background: rgba(255,255,255,.88);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow:
    0 1px 0 rgba(15,23,42,.02),
    0 18px 40px rgba(15,23,42,.08);
}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:860px){
  .grid{grid-template-columns:1fr}
  .page-title{font-size:26px}
  .brand{min-width:auto}
}

/* brand visual section */
.hero{
  padding: 22px 0 8px;
}
.hero-inner{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 16px;
  align-items: start;
}
@media (max-width:860px){
  .hero-inner{grid-template-columns:1fr}
}
.hero h1{margin:0 0 10px;font-size:34px}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.badge{
  border:1px solid var(--line);
  background: rgba(255,255,255,.8);
  padding:8px 10px;
  border-radius:999px;
  font-size:12px;
  color: var(--muted);
}
.visual-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.visual-item{
  border:1px solid var(--line);
  background:#fff;
  border-radius: 16px;
  overflow:hidden;
  box-shadow: 0 10px 26px rgba(15,23,42,.08);
}
.visual-item img{
  width:100%;
  height: 220px;
  object-fit: cover;
  display:block;
  background:#fff;
}
@media (max-width:520px){
  .visual-item img{height: 190px}
}
.visual-caption{
  padding:10px 12px;
  font-size:12px;
  color: var(--muted);
  border-top:1px solid var(--line);
}

/* tables/definition lists */
.company-dl{margin:0}
.company-dl .row{
  display:grid;grid-template-columns:180px 1fr;gap:14px;
  padding:12px 0;border-bottom:1px solid var(--line);
}
.company-dl .row:last-child{border-bottom:none}
.company-dl dt{color:var(--muted);font-weight:700}
.company-dl dd{margin:0}

.lead{font-weight:900;margin:0 0 10px}
.num-list{margin:10px 0 0;padding-left:20px}
.num-list li{margin:10px 0}
.signature{margin-top:16px;color:var(--muted);font-weight:700}
.slogan{margin:0;font-size:20px;font-weight:900;letter-spacing:.02em}
.note{color:var(--muted);font-size:13px}

.site-footer{
  border-top:1px solid var(--line);
  padding:20px 0;
  color:var(--muted);
  text-align:center;
  background: rgba(255,255,255,.70);
}


/* Header logo only adjustment */
.brand img{height:72px;width:auto;display:block}
.brand{
  gap:0;
}


/* Bigger logo + header harmony */
.header-inner{align-items:center}
.site-nav{gap:8px}
@media (max-width:860px){.brand img{height:64px}}


/* Updated logo size for new horizontal logo */
.brand img{
  height:80px;
  width:auto;
}
@media (max-width:860px){
  .brand img{height:64px;}
}