:root {
  color-scheme: dark;
  --bg: #0b0d12;
  --panel: #141821;
  --border: #2a3245;
  --text: #e8ecf5;
  --muted: #9aa6bd;
  --accent: #7c8cff;
  --accent-2: #5865f2;
  --success: #3ddc84;
  --danger: #ff6b7a;
  --warning: #ffc86b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 10%, rgba(88, 101, 242, 0.18), transparent 35%),
    radial-gradient(circle at 85% 5%, rgba(124, 140, 255, 0.12), transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(1100px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(14px);
  background: rgba(11, 13, 18, 0.82);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 16px 0;
}

.brand { font-size: 1.35rem; font-weight: 800; color: var(--text); }
.brand span { color: var(--accent); }

.nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.nav a { color: var(--muted); font-weight: 600; }
.nav a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 64px 0 48px; }
.hero h1 { margin: 0 0 14px; font-size: clamp(2.2rem, 6vw, 3.6rem); line-height: 1.1; }
.hero p { max-width: 660px; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border: 1px solid var(--border); border-radius: 999px;
  background: rgba(255, 255, 255, 0.04); color: var(--muted);
  font-size: 0.78rem; font-weight: 700;
}

.badge.approved { color: var(--success); border-color: rgba(61, 220, 132, 0.35); }
.badge.pending { color: var(--warning); border-color: rgba(255, 200, 107, 0.35); }
.badge.rejected, .badge.suspended { color: var(--danger); border-color: rgba(255, 107, 122, 0.35); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 20px; border: 1px solid transparent; border-radius: 10px;
  font-weight: 800; cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--accent-2), var(--accent)); color: white; }
.btn-secondary { background: rgba(255, 255, 255, 0.06); border-color: var(--border); color: var(--text); }
.btn-danger { background: rgba(255, 107, 122, 0.14); border-color: rgba(255, 107, 122, 0.4); color: var(--danger); }
.btn-small { padding: 8px 13px; font-size: 0.86rem; }

.section { padding: 34px 0; }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 0 20px; }
.section-title h2 { margin: 0; font-size: 1.35rem; }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.filters form { display: flex; gap: 10px; flex-wrap: wrap; }

input, textarea, select {
  width: 100%; padding: 11px 13px; border: 1px solid var(--border);
  border-radius: 9px; background: rgba(255, 255, 255, 0.04); color: var(--text); font: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124, 140, 255, 0.16);
}

textarea { min-height: 160px; resize: vertical; }

label { display: block; margin: 14px 0 7px; font-weight: 700; font-size: 0.92rem; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }

.card {
  padding: 20px; border: 1px solid var(--border); border-radius: 16px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
}

.card h3 { margin: 10px 0 8px; font-size: 1.12rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.93rem; }
.card-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 16px; }

.tag {
  display: inline-block; padding: 3px 9px; border-radius: 999px;
  background: rgba(124, 140, 255, 0.14); color: var(--accent);
  font-size: 0.76rem; font-weight: 700;
}

.panel { padding: 26px; border: 1px solid var(--border); border-radius: 18px; background: var(--panel); }
.form-panel { max-width: 760px; margin: 0 auto; }

.error-box {
  margin-bottom: 18px; padding: 14px 16px;
  border: 1px solid rgba(255, 107, 122, 0.35); border-radius: 10px;
  background: rgba(255, 107, 122, 0.09); color: var(--danger);
}

.error-box ul { margin: 0; padding-left: 20px; }

.table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.table th, .table td { padding: 11px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.table th { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }

.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 22px; }

@media (max-width: 820px) {
  .detail-grid { grid-template-columns: 1fr; }
}

.site-footer {
  margin-top: 60px; padding: 28px 0 40px;
  border-top: 1px solid var(--border); color: var(--muted); font-size: 0.88rem;
}

.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap;
}

.notice {
  padding: 14px 16px; border: 1px solid rgba(124, 140, 255, 0.3);
  border-radius: 10px; background: rgba(124, 140, 255, 0.09);
  color: var(--accent); font-size: 0.9rem;
}