:root{
  --bg: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --line: #e5e7eb;
  --primary: #f59e0b;
  --primary2:#f97316;
  --card:#f9fafb;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(17,24,39,.08);
  --container: 1040px;
}

*{ box-sizing: border-box; }
html,body{ margin:0; padding:0; }
body{
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }

.container{
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.site-header{
  position: sticky;
  top: 0;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  z-index: 20;
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
  padding: 14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: .2px;
}
.brand img{
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav{
  display:flex;
  gap: 14px;
  align-items:center;
  flex-wrap: wrap;
}
.nav a{
  padding: 8px 10px;
  border-radius: 10px;
  color: #111827;
}
.nav a:hover{
  background: #f3f4f6;
  text-decoration: none;
}

.hero{
  padding: 52px 0 26px;
  background:
    radial-gradient(800px 380px at 20% -10%, rgba(245,158,11,.25), transparent 60%),
    radial-gradient(700px 360px at 90% 0%, rgba(34,211,238,.14), transparent 55%);
  border-bottom: 1px solid var(--line);
}
.hero h1{
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.15;
  margin: 0 0 12px;
}
.lead{
  color: var(--muted);
  font-size: 16px;
  margin: 0 0 18px;
  max-width: 60ch;
}
.cta{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 8px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  font-weight: 700;
  box-shadow: 0 1px 0 rgba(0,0,0,.02);
}
.btn:hover{ text-decoration:none; filter: brightness(.98); }
.btn.primary{
  border-color: transparent;
  color: #111827;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
}
.btn.ghost{
  background: transparent;
}

.note{ color: var(--muted); font-size: 13px; margin-top: 10px; }

.section{ padding: 26px 0; }
.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}
.grid{
  display:grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 820px){
  .grid{ grid-template-columns: 1.2fr .8fr; }
}

.table{
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
}
.table th, .table td{
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  text-align: left;
}
.table th{ width: 160px; color: #374151; background: #f9fafb; }

.site-footer{
  border-top: 1px solid var(--line);
  padding: 22px 0;
  color: #374151;
}
.footer-inner{
  display:flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links{
  display:flex;
  gap: 12px;
  flex-wrap: wrap;
  color: #111827;
}
.footer-name{ font-weight: 800; }
.footer-meta{ color: var(--muted); font-size: 14px; }
.footer-copy{ color: var(--muted); font-size: 13px; }

.gallery{
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 820px){
  .gallery{ grid-template-columns: repeat(3, 1fr); }
}
.gallery figure{
  margin:0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow:hidden;
  background:#fff;
  box-shadow: 0 6px 18px rgba(17,24,39,.06);
}
.gallery img{
  width:100%;
  height: 180px;
  object-fit: cover;
  display:block;
}
.gallery figcaption{
  padding: 10px 12px;
  color: var(--muted);
  font-size: 13px;
}

.mvv{
  display:grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
@media (min-width: 820px){
  .mvv{ grid-template-columns: 1fr 1fr; }
}
.values{
  margin: 10px 0 0;
  padding-left: 18px;
}
.values li{ margin: 6px 0; }
.kicker{ color: var(--muted); font-weight: 700; font-size: 13px; letter-spacing: .04em; }