:root {
  color-scheme: dark;
  --bg: #071019;
  --panel: #0c1722;
  --panel-2: #101f2c;
  --line: #243646;
  --text: #f2f6fa;
  --muted: #93a5b4;
  --accent: #56d7ff;
  --accent-2: #a6f0ff;
  --gold: #f4d06f;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 80% -10%, rgba(86, 215, 255, .12), transparent 34rem),
    linear-gradient(180deg, #071019 0%, #08131d 54%, #060c12 100%);
  color: var(--text);
  font-family: Inter, "Noto Sans JP", "Yu Gothic UI", "Yu Gothic", sans-serif;
  min-height: 100vh;
}
a { color: inherit; }
button, input { font: inherit; }
button { cursor: pointer; }

.site-header {
  height: 72px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: rgba(7, 16, 25, .82);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(145deg, var(--accent), #3775ff);
  color: #03121a; font-weight: 900; font-size: 22px;
  box-shadow: 0 0 24px rgba(86,215,255,.22);
}
.brand strong { display: block; font-size: 18px; letter-spacing: .03em; }
.brand small { display: block; margin-top: 1px; color: var(--muted); font-size: 9px; letter-spacing: .19em; }
.preview-badge { color: var(--accent-2); border: 1px solid rgba(86,215,255,.35); border-radius: 999px; padding: 7px 10px; font-size: 10px; letter-spacing: .12em; }

main { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
.hero { padding: 84px 0 58px; border-bottom: 1px solid var(--line); }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .18em; }
h1 { margin: 0; font-size: clamp(46px, 8vw, 86px); line-height: .98; letter-spacing: -.055em; }
.hero-copy { max-width: 630px; color: #b7c6d1; font-size: 17px; line-height: 1.9; margin: 28px 0 34px; }
.hero-stats { display: flex; gap: 42px; flex-wrap: wrap; }
.hero-stats div { display: grid; gap: 2px; }
.hero-stats strong { font-size: 28px; letter-spacing: -.04em; }
.hero-stats span { color: var(--muted); font-size: 12px; }

.deck-overview { padding: 50px 0 4px; }
.deck-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.deck-summary-card {
  min-width: 0; text-align: left; color: var(--text); background: #0a151f;
  border: 1px solid var(--line); border-radius: 14px; padding: 15px;
  display: grid; gap: 8px; transition: border-color .15s ease, transform .15s ease, background .15s ease;
}
.deck-summary-card:hover { transform: translateY(-1px); border-color: #476477; background: #0d1b27; }
.deck-summary-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.deck-summary-name { font-weight: 800; overflow-wrap: anywhere; }
.deck-summary-meta { color: var(--muted); font-size: 11px; }
.deck-summary-meta strong { color: var(--accent-2); font-size: 15px; }

.database { padding: 58px 0 72px; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 26px; }
h2 { margin: 0; font-size: clamp(28px, 4vw, 42px); letter-spacing: -.035em; }
.status-copy { color: var(--muted); font-size: 12px; margin: 0; max-width: 520px; line-height: 1.7; }
.controls { display: grid; gap: 14px; margin-bottom: 26px; }
.search-box input {
  width: 100%; border: 1px solid var(--line); border-radius: 14px;
  padding: 15px 17px; background: #0a151f; color: var(--text); outline: none;
}
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(86,215,255,.09); }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.filter { border: 1px solid var(--line); border-radius: 999px; padding: 9px 13px; background: transparent; color: #a8b9c6; }
.filter:hover { border-color: #476477; color: var(--text); }
.filter.is-active { background: var(--accent); color: #04121a; border-color: var(--accent); font-weight: 800; }

.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.result-card {
  background: linear-gradient(145deg, rgba(16,31,44,.94), rgba(10,21,31,.94));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
  display: grid; gap: 18px; min-height: 230px;
  transition: transform .15s ease, border-color .15s ease;
}
.result-card:hover { transform: translateY(-2px); border-color: #3b566a; }
.card-top { display: flex; justify-content: space-between; gap: 14px; align-items: start; }
.event-date { color: var(--muted); font-size: 11px; }
.result-tag { border-radius: 999px; padding: 6px 9px; font-size: 10px; font-weight: 800; letter-spacing: .04em; background: rgba(86,215,255,.10); color: var(--accent-2); border: 1px solid rgba(86,215,255,.2); }
.result-tag.champion { color: #ffe59b; border-color: rgba(244,208,111,.28); background: rgba(244,208,111,.08); }
.event-name { margin: 4px 0 0; font-size: 19px; }
.card-main { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.data-block { background: rgba(4,12,18,.48); border-radius: 12px; padding: 13px; }
.data-block span { display: block; color: var(--muted); font-size: 10px; margin-bottom: 5px; }
.data-block strong { font-size: 15px; overflow-wrap: anywhere; }
.card-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; }
.participants { color: var(--muted); font-size: 11px; }
.source-link { color: var(--accent); font-size: 12px; text-decoration: none; }
.source-link:hover { text-decoration: underline; }
.empty-state { color: var(--muted); text-align: center; padding: 50px 0; }

.about-data { margin-bottom: 72px; padding: 30px; border-radius: var(--radius); border: 1px solid var(--line); background: #0a151f; display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; }
.about-data p:last-child { color: #aebdca; line-height: 1.9; margin: 0; }
footer { max-width: 1180px; margin: 0 auto; padding: 26px 24px 42px; display: flex; justify-content: space-between; color: #6e8292; font-size: 11px; border-top: 1px solid rgba(255,255,255,.06); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 900px) {
  .deck-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .site-header { padding-inline: 16px; }
  main { padding-inline: 16px; }
  .hero { padding-top: 56px; }
  .hero-stats { gap: 26px; }
  .section-head { align-items: start; flex-direction: column; }
  .deck-summary { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr; }
  .card-main { grid-template-columns: 1fr; }
  .about-data { grid-template-columns: 1fr; gap: 18px; padding: 22px; }
  footer { padding-inline: 16px; }
}