:root{
  --bg:#0b0f17;
  --panel:#0f1624;
  --text:#e7eefc;
  --muted:#a9b6d3;
  --line:rgba(255,255,255,.10);
  --accent:#7aa7ff;
  --accent2:#7cf7d4;
  --shadow: 0 12px 30px rgba(0,0,0,.35);
  --radius: 16px;
  --max: 980px;
}

@media (prefers-color-scheme: light){
  :root{
    --bg:#f6f7fb;
    --panel:#ffffff;
    --text:#0f172a;
    --muted:#475569;
    --line:rgba(2,6,23,.10);
    --accent:#2f6bff;
    --accent2:#0fbf9f;
    --shadow: 0 14px 34px rgba(2,6,23,.10);
  }
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", "Helvetica Neue", Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 20% 10%, rgba(122,167,255,.14), transparent 60%),
              radial-gradient(900px 500px at 80% 0%, rgba(124,247,212,.10), transparent 55%),
              var(--bg);
  color:var(--text);
  line-height:1.6;
}

a{color:inherit; text-decoration:none}
a:hover{opacity:.9}

.container{max-width:var(--max); margin:0 auto; padding: 28px 18px 70px}
.topbar{
  display:flex; gap:14px; align-items:center; justify-content:space-between;
  padding: 14px 16px; border:1px solid var(--line); border-radius: var(--radius);
  background: color-mix(in oklab, var(--panel) 92%, transparent);
  box-shadow: var(--shadow);
  position:sticky; top:12px; backdrop-filter: blur(10px); z-index:10;
}
.brand{
  display:flex; gap:10px; align-items:center; font-weight:700; letter-spacing:.2px;
}
.dot{
  width:10px; height:10px; border-radius:999px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 20%, transparent);
}
.nav{display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end}
.nav a{
  font-size:14px; padding:8px 10px; border-radius:12px;
  border:1px solid transparent;
}
.nav a[aria-current="page"]{
  border-color: var(--line);
  background: color-mix(in oklab, var(--panel) 88%, transparent);
}

.hero{
  margin: 26px 0 14px;
  padding: 22px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, color-mix(in oklab, var(--panel) 92%, transparent), transparent 70%);
}
.hero h1{margin:0 0 8px; font-size: clamp(22px, 2.4vw, 32px); letter-spacing:.2px}
.hero p{margin:0; color:var(--muted)}

.grid{
  display:grid; gap:14px;
  grid-template-columns: repeat(12, 1fr);
  margin-top: 14px;
}
.card{
  grid-column: span 12;
  border:1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--panel) 94%, transparent);
  box-shadow: var(--shadow);
  padding: 16px;
}
@media (min-width: 860px){
  .card.half{grid-column: span 6;}
}

h2{margin:0 0 10px; font-size:18px}
label{display:block; font-size:13px; color:var(--muted); margin:10px 0 6px}
input, select, textarea{
  width:100%;
  padding: 11px 12px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 70%, var(--panel) 30%);
  color: var(--text);
  outline:none;
}
textarea{min-height: 170px; resize: vertical}

.row{display:grid; gap:10px; grid-template-columns: 1fr}
@media (min-width: 640px){ .row.two{grid-template-columns: 1fr 1fr;} }

.btnbar{display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-top:10px}
button{
  appearance:none; border:1px solid var(--line);
  background: linear-gradient(135deg, color-mix(in oklab, var(--accent) 16%, var(--panel)), color-mix(in oklab, var(--accent2) 10%, var(--panel)));
  color:var(--text);
  padding: 10px 12px;
  border-radius: 14px;
  cursor:pointer;
}
button.ghost{
  background: transparent;
}
.small{font-size:13px; color:var(--muted)}
.kpi{
  display:grid; gap:10px; grid-template-columns: repeat(12, 1fr); margin-top:10px;
}
.kpi .pill{
  grid-column: span 12;
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--panel) 88%, transparent);
  border-radius: 14px;
  padding: 10px 12px;
}
@media (min-width: 860px){ .kpi .pill{grid-column: span 4;} }

.tablewrap{overflow:auto; border-radius:14px; border:1px solid var(--line); margin-top:10px}
table{width:100%; border-collapse:collapse; min-width:620px; background: color-mix(in oklab, var(--panel) 92%, transparent)}
th,td{padding:10px 12px; border-bottom:1px solid var(--line); text-align:left; white-space:nowrap}
th{font-size:13px; color:var(--muted); font-weight:600}
footer{
  margin-top: 20px;
  color: var(--muted);
  font-size: 13px;
}
.badge{
  display:inline-flex; gap:8px; align-items:center;
  border:1px solid var(--line);
  padding:6px 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--panel) 86%, transparent);
}

footer .badge{
  padding:20px;
  border-radius:12px;

}

/* Card 전체 클릭 */
.cardlink{
  display:block;
  cursor:pointer;
  transition: transform .08s ease;
}
.cardlink:hover{ transform: translateY(-1px); }
.cardlink:focus-visible{
  outline: 3px solid color-mix(in oklab, var(--accent) 55%, transparent);
  outline-offset: 3px;
}
a.cardlink{ text-decoration:none; }

/* ===== Mobile header compact ===== */
@media (max-width: 768px) {
  .topbar {
    padding: 6px 12px;          /* 高さの主因を削減 */
    min-height: 44px;           /* iOS推奨の最小タップ高 */
  }

  .topbar .brand {
    gap: 6px;
  }

  .topbar .brand span {
    font-size: 14px;            /* ロゴ文字を小さく */
    line-height: 1.2;
  }

  .topbar .dot {
    width: 6px;
    height: 6px;                /* ドットを小さく */
  }

  .nav {
    gap: 4px 8px;                   /* ナビ間隔を詰める */
  }

  .nav a {
    padding: 0px 4px;
    font-size: 12px;
  }
}