:root {
  --bg: #0b1020;
  --bg-soft: #111933;
  --card: rgba(255, 255, 255, 0.95);
  --card-line: #dbe4ff;
  --text: #18233a;
  --sub: #5f6b85;
  --accent: #3b82f6;
  --accent-2: #22c55e;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  color: var(--text);
  line-height: 1.7;
  position: relative;
  overflow-x: hidden;
  background:
    radial-gradient(1200px 500px at -15% -20%, #1d4ed8 0%, transparent 55%),
    radial-gradient(1100px 450px at 110% -10%, #0ea5e9 0%, transparent 55%),
    linear-gradient(180deg, #0a0f24 0%, #111933 45%, #10182f 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

body::before {
  background-image:
    radial-gradient(rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.35;
}

body::after {
  background:
    radial-gradient(420px 280px at 8% 70%, rgba(59,130,246,0.22), transparent 70%),
    radial-gradient(380px 260px at 92% 78%, rgba(16,185,129,0.18), transparent 70%);
}

.page {
  position: relative;
  z-index: 1;
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 16px 72px;
}

.hero {
  background: linear-gradient(135deg, rgba(59,130,246,.18), rgba(34,197,94,.12)), #fff;
  border: 1px solid #dbeafe;
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 20px 48px rgba(2, 6, 23, 0.22);
  margin-bottom: 14px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  letter-spacing: .01em;
}
.hero p {
  margin: 6px 0 0;
  color: var(--sub);
}

.filter-form {
  position: sticky;
  top: 10px;
  z-index: 30;
  margin-bottom: 18px;
}
.search-box {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: center;
  background: rgba(255,255,255,.92);
  border: 1px solid #dbeafe;
  border-radius: 999px;
  padding: 10px 14px;
  box-shadow: 0 8px 26px rgba(2, 6, 23, 0.18);
  backdrop-filter: blur(8px);
}
.search-box_label {
  font-weight: 700;
  margin-right: 2px;
}
.search-box label {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  border: 1px solid #dbe4ff;
  border-radius: 999px;
  background: #f8fbff;
  color: #1f2c48;
  padding: 6px 12px;
  font-size: .92rem;
  transition: all .18s ease;
}
.search-box label:hover {
  border-color: #b8ccff;
  transform: translateY(-1px);
}

.year-heading {
  margin: 22px 0 10px;
  color: #eaf2ff;
  font-size: 1rem;
  letter-spacing: .04em;
  font-weight: 700;
}

.content > ul {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.content > ul > li {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: 14px;
  padding: 14px 16px;
  box-shadow: 0 10px 24px rgba(2, 6, 23, 0.16);
  transition: transform .16s ease, box-shadow .16s ease;
}
.content > ul > li:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(2, 6, 23, 0.22);
}

a {
  color: #1d4ed8;
  font-weight: 600;
  text-decoration: none;
}
a:hover { text-decoration: underline; }

font[color="red"] {
  color: #dc2626;
  font-weight: 700;
}

.is-hide { display: none !important; }

@media (max-width: 640px) {
  .page { padding-top: 18px; }
  .hero { padding: 16px; border-radius: 14px; }
  .search-box { border-radius: 14px; }
  .content > ul > li { padding: 12px; }
}