:root{
  --bg:#f6f8fb;
  --panel:#ffffff;
  --line:#d8e1ea;
  --text:#1f2937;
  --sub:#5b6472;
  --primary:#1f6feb;
  --primary-bg:#e8f0fe;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Yu Gothic","Meiryo",sans-serif;
  color:var(--text);
  background:var(--bg);
}
.header{
  background:linear-gradient(90deg,#dbeafe,#eff6ff);
  border-bottom:1px solid var(--line);
  padding:20px 28px;
}
.header h1{
  margin:0;
  font-size:28px;
}
.header p{
  margin:8px 0 0 0;
  color:var(--sub);
}
.container{
  max-width:1200px;
  margin:24px auto;
  padding:0 20px 40px;
}
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  padding:20px;
  box-shadow:0 2px 10px rgba(0,0,0,.03);
}
.grid{
  display:grid;
  gap:16px;
}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:18px;
}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--sub);line-height:1.6}
.card .meta{margin-top:12px;font-size:13px;color:var(--sub)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.btn{
  display:inline-block;
  padding:10px 16px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  text-decoration:none;
  font-weight:600;
}
.btn.primary{
  background:var(--primary-bg);
  border-color:#bfd3fb;
  color:#1247b8;
}
.btn-disabled{
  background:#f1f5f9;
  border-color:#cbd5e1;
  color:#64748b;
  cursor:not-allowed;
  pointer-events:none;
}
.card-disabled{
  border-color:#cbd5e1;
  background:
    repeating-linear-gradient(
      -45deg,
      #f8fafc,
      #f8fafc 10px,
      #eef2f7 10px,
      #eef2f7 20px
    );
}
.card-disabled::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:12px;
  background:rgba(255,255,255,.35);
  pointer-events:none;
}
.card-disabled h3,
.card-disabled p{
  position:relative;
  z-index:1;
}
.card-disabled .actions{
  position:relative;
  z-index:1;
}
.badge-disabled{
  position:absolute;
  top:14px;
  right:14px;
  z-index:1;
  display:inline-block;
  padding:4px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  color:#475569;
  background:#e2e8f0;
  border:1px solid #cbd5e1;
}
.lead{color:var(--sub);line-height:1.8}
.kicker{
  display:inline-block;
  font-size:13px;
  color:#2b4b8f;
  background:#eef4ff;
  border:1px solid #d6e4ff;
  border-radius:999px;
  padding:4px 10px;
  margin-bottom:10px;
}
.form-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px 16px;
}
.field label{
  display:block;
  font-size:13px;
  margin-bottom:6px;
  color:var(--sub);
}
.field select,.field input{
  width:100%;
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
}
.note{
  background:#fff9e8;
  border:1px solid #efdca6;
  border-radius:10px;
  padding:12px 14px;
  color:#6b5c2c;
}
.table{
  width:100%;
  border-collapse:collapse;
}
.table th,.table td{
  border:1px solid var(--line);
  padding:10px 12px;
  text-align:left;
}
.table th{
  background:#eef6ff;
}
pre.result{
  background:#f8fafc;
  border:1px solid var(--line);
  border-radius:10px;
  padding:14px;
  overflow:auto;
}
.footer-note{margin-top:12px;color:var(--sub);font-size:13px}
@media (max-width:900px){
  .grid-2,.grid-3,.form-grid{grid-template-columns:1fr}
}

/* Top page: function/resource sections */
.section-block{margin-top:24px}
.section-heading{margin-bottom:14px}
.section-heading h2{margin:0;font-size:22px}
.section-description{margin:7px 0 0;color:var(--sub);line-height:1.6}
.resource-card{padding-top:54px;min-height:230px}
.resource-type{
  position:absolute;
  top:16px;
  right:16px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:58px;
  height:28px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.resource-type.pdf{color:#991b1b;background:#fee2e2;border:1px solid #fecaca}
.resource-type.excel{color:#166534;background:#dcfce7;border:1px solid #bbf7d0}
.resource-actions{margin-top:18px}