:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --line: #d7dce2;
  --text: #16202a;
  --muted: #5a6a7a;
  --accent-soft: #f4ead0;
  --good: #1e7a43;
  --bad: #8e2f2f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  background:
    radial-gradient(circle at top right, #fff6dd 0, transparent 22rem),
    linear-gradient(180deg, #fbfcfd 0%, var(--bg) 100%);
  color: var(--text);
}

a {
  color: inherit;
}

.page {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.hero {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(215, 220, 226, 0.9);
  border-radius: 24px;
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(18, 32, 45, 0.06);
}

.hero h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.hero p {
  margin: 0.4rem 0;
  line-height: 1.65;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.nav a {
  text-decoration: none;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.nav a.active {
  background: var(--accent-soft);
  border-color: #d8c18a;
  color: #5f4711;
  font-weight: 600;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.meta-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.85rem 1rem;
}

.meta-card strong,
.results-header strong {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.5rem 0 0.9rem;
}

.search {
  width: min(360px, 100%);
}

.search input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 0.95rem;
  background: var(--surface);
  font: inherit;
}

.results-header {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: end;
}

.table-wrap {
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(18, 32, 45, 0.04);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 920px;
}

th,
td {
  padding: 0.85rem 0.9rem;
  border-bottom: 1px solid #edf0f4;
  text-align: left;
  vertical-align: top;
}

th {
  position: sticky;
  top: 0;
  background: #fbfcfe;
  z-index: 1;
  font-size: 0.92rem;
}

th button {
  border: 0;
  padding: 0;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

tbody tr:hover {
  background: #fafbfc;
}

.status-yes {
  color: var(--good);
  font-weight: 700;
}

.status-no {
  color: #7b8894;
  font-weight: 500;
}

.small {
  font-size: 0.9rem;
  color: var(--muted);
}

.empty {
  padding: 1.5rem;
}

.stack {
  display: grid;
  gap: 1rem;
}

.tier-section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1rem;
  box-shadow: 0 10px 30px rgba(18, 32, 45, 0.04);
}

.tier-section h2 {
  display: inline-block;
  margin: 0 0 0.8rem;
  font-size: 1.35rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.25);
}

.tier-section p {
  margin: 0;
}

.tier-table {
  overflow: auto;
}

.tier-table table {
  min-width: 860px;
}

.tier-bronze h2 {
  background: linear-gradient(135deg, #8b5a2b, #b97842);
}

.tier-silver h2 {
  background: linear-gradient(135deg, #7d8a96, #b4c0ca);
}

.tier-gold h2 {
  background: linear-gradient(135deg, #b88910, #e4c04a);
  color: #3b2b00;
}

.tier-platinum h2 {
  background: linear-gradient(135deg, #31506f, #7fa6c8);
}

.tier-opal h2 {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.18), rgba(255,255,255,0.02)),
    linear-gradient(120deg, #ff7cc8, #7de0ff 30%, #8cffb8 55%, #ffe680 78%, #c59bff);
  color: #173045;
}

.tier-diamond h2 {
  background:
    linear-gradient(135deg, rgba(255,255,255,0.25), rgba(255,255,255,0.04)),
    linear-gradient(120deg, #8fe8ff, #f7fbff 22%, #ff9fe1 45%, #9effd0 68%, #ffd76b 86%, #9bc2ff);
  color: #163255;
}

@media (max-width: 700px) {
  .page {
    width: min(100% - 1rem, 100%);
  }

  .hero,
  .table-wrap {
    border-radius: 18px;
  }
}