:root {
  --ink: #071018;
  --panel: #101922;
  --line: #243140;
  --text: #e7eef4;
  --muted: #8aa0b3;
  --mint: #5dffc4;
  --gold: #f4b942;
  --danger: #ff5d73;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "IBM Plex Sans JP", "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(93, 255, 196, 0.12), transparent 50%),
    radial-gradient(900px 400px at 100% 0%, rgba(244, 185, 66, 0.08), transparent 45%),
    var(--ink);
  color: var(--text);
}
.grain {
  pointer-events: none;
  position: fixed;
  inset: 0;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8'/%3E%3C/filter%3E%3Crect width='80' height='80' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}
.topbar, main, .site-footer { width: min(1100px, calc(100% - 32px)); margin: 0 auto; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: Syne, sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--mint);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.logo img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex-shrink: 0;
}
nav { display: flex; gap: 18px; align-items: center; }
.lang-switch select {
  min-width: 8.5rem;
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--panel);
}
.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;
}
nav a, .linkish { color: var(--muted); text-decoration: none; background: none; border: 0; font: inherit; cursor: pointer; }
.hero { padding: 72px 0 40px; }
.hero h1, h1 { font-family: Syne, sans-serif; font-size: clamp(2rem, 5vw, 4.2rem); line-height: 1.05; margin: 0 0 16px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 40rem; }
.muted { color: var(--muted); }
.eyebrow { letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); font-size: 0.75rem; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
}
.choice-dialog[hidden] { display: none !important; }
.choice-dialog {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(4, 10, 14, 0.72);
}
.choice-dialog .card { max-width: 420px; width: min(420px, 100%); }
.choice-dialog .dialog-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.btn.lg { padding: 14px 22px; font-size: 1.05rem; }
.btn.danger { border-color: var(--danger); color: var(--danger); }
.grid-3, .split, .stats { display: grid; gap: 18px; margin: 28px 0; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.split { grid-template-columns: 1fr 1fr; }
.stats { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.card, article, .stats > div, .voice-shell {
  background: color-mix(in srgb, var(--panel) 88%, black);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  box-shadow: var(--shadow);
}
.card-list { list-style: none; padding: 0; display: grid; gap: 12px; }
.site-footer { display: flex; flex-wrap: wrap; gap: 14px; padding: 48px 0; color: var(--muted); }
.site-footer a { color: var(--muted); }
.stack { display: grid; gap: 12px; max-width: 520px; }
label { display: grid; gap: 6px; color: var(--muted); }
input, select, textarea {
  background: #0b141c;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}
.banner { padding: 12px 16px; border-radius: 12px; background: #2a1a12; border: 1px solid #6a4020; }
.banner.warn { color: #ffd7a8; }
.load-banner {
  position: sticky;
  top: 0;
  z-index: 80;
  margin: 0;
  padding: 10px 16px;
  text-align: center;
  background: #3a2a10;
  border-bottom: 1px solid var(--gold, #d4a24c);
  color: #ffd7a8;
  font-size: 0.95rem;
}
.load-banner.critical {
  background: #3a1218;
  border-bottom-color: #ff6b6b;
  color: #ffd0d0;
}
.inline, .inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.member-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.member-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: #0b141c;
  flex-shrink: 0;
}
.account-head {
  display: flex;
  align-items: center;
  gap: 16px;
}
.account-head h1 { margin: 0 0 8px; }
.account-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  background: #0b141c;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
.card:target {
  scroll-margin-top: 24px;
  border-color: var(--gold);
  box-shadow: 0 0 0 1px var(--gold);
}
.member-name { margin: 0; flex: 1; }
#admin-member-filter { max-width: 320px; margin: 0 0 12px; }
.narrow { max-width: 640px; padding: 40px 0; }
.status-pill { display: inline-block; padding: 4px 10px; border-radius: 999px; }
.status-pill.ok { background: #123328; color: var(--mint); }
.status-pill.maint { background: #3a2a10; color: var(--gold); }
.voice-page { display: grid; place-items: center; min-height: 100vh; }
.voice-shell { width: min(560px, calc(100% - 24px)); }
.lang-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 520px) {
  .lang-row { grid-template-columns: 1fr; }
}
.voice-meta { display: grid; gap: 10px; }
.voice-meta div { display: grid; grid-template-columns: 140px 1fr; gap: 8px; }
.table { width: 100%; border-collapse: collapse; }
.table td, .table th { border-bottom: 1px solid var(--line); padding: 8px; text-align: left; }
code.invite { display: block; word-break: break-all; background: #0b141c; padding: 12px; border-radius: 10px; }
.ops-nav { display: flex; gap: 12px; margin-bottom: 20px; }
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 18px; }
.price-card { display: grid; gap: 10px; align-content: start; }
.price-card .price { display: flex; align-items: baseline; gap: 12px; margin: 0; flex-wrap: wrap; }
.price-card .price strong { font-family: Syne, sans-serif; font-size: 2.4rem; color: var(--mint); }
.price-card .price span { color: var(--muted); }
.price-card .was { color: var(--muted); font-size: 1.35rem; text-decoration: line-through; text-decoration-thickness: 2px; }
.price-card.trial { border-color: var(--gold); }
.trial-steps { padding-left: 1.2rem; color: var(--muted); display: grid; gap: 8px; }
.trial-card { margin: 24px 0; display: grid; gap: 10px; }
.trial-home, .trial-template {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: #0b141c;
  word-break: break-all;
  white-space: pre-wrap;
  color: var(--text);
}
.trial-home { font-family: Syne, sans-serif; color: var(--mint); }
.check-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text);
}
.check-row input { margin-top: 4px; }
.legal { width: min(760px, calc(100% - 32px)); margin: 0 auto; padding: 40px 0 64px; }
.legal h2 { font-size: 1.15rem; margin: 28px 0 10px; color: var(--mint); }
.legal h3 { font-size: 1rem; margin: 18px 0 8px; }
.legal p, .legal li { color: var(--muted); line-height: 1.75; }
.legal ol, .legal ul { padding-left: 1.25rem; display: grid; gap: 8px; }
.legal table { width: 100%; border-collapse: collapse; margin: 8px 0 20px; }
.legal th, .legal td { border-bottom: 1px solid var(--line); padding: 10px 8px; text-align: left; vertical-align: top; }
.legal th { color: var(--text); width: 12rem; font-weight: 500; }
.legal-nav { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 0 0 12px; }
.legal-nav a { color: var(--muted); text-decoration: none; }
.legal-nav a.on, .legal-nav a:hover { color: var(--mint); }
.legal-updated { font-size: 0.85rem; color: var(--muted); margin: 0 0 28px; }
.guide { width: min(880px, calc(100% - 32px)); margin: 0 auto; padding: 40px 0 72px; }
.guide .lead { color: var(--muted); line-height: 1.7; }
.guide-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0 0 32px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
.guide-toc a { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
.guide-toc a:hover { color: var(--mint); }
.guide h2 { font-size: 1.2rem; margin: 36px 0 12px; color: var(--mint); }
.guide h3 { font-size: 1.02rem; margin: 20px 0 8px; }
.guide p, .guide li { color: var(--muted); line-height: 1.8; }
.guide ol, .guide ul { padding-left: 1.25rem; display: grid; gap: 8px; }
.guide table { width: 100%; border-collapse: collapse; margin: 10px 0 22px; }
.guide th, .guide td { border-bottom: 1px solid var(--line); padding: 10px 8px; text-align: left; vertical-align: top; }
.guide th { color: var(--text); font-weight: 500; }
.guide kbd {
  display: inline-block;
  padding: 1px 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #0b141c;
  color: var(--text);
  font-size: 0.88em;
}
.guide .note {
  border-left: 3px solid var(--gold);
  padding: 8px 12px;
  margin: 12px 0 18px;
  color: var(--muted);
}
.guide .ok { color: var(--mint); }
.guide .no { color: var(--danger); }
.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #5a6b7a;
  margin-right: 8px;
  vertical-align: middle;
  box-shadow: 0 0 0 0 rgba(93, 255, 196, 0);
}
.dot.on {
  background: var(--mint);
  box-shadow: 0 0 0 6px rgba(93, 255, 196, 0.18);
}
.mic-wave {
  margin: 12px 0 18px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #0b141c;
}
.mic-wave.is-hot {
  border-color: color-mix(in srgb, var(--mint) 55%, var(--line));
  box-shadow: 0 0 24px rgba(93, 255, 196, 0.12);
}
.mic-wave-label {
  margin: 0 0 8px;
  font-size: 0.8rem;
  color: var(--muted);
}
#mic-wave-canvas {
  display: block;
  width: 100%;
  height: 88px;
  border-radius: 10px;
}
body.voice .voice-shell.is-listening {
  border-color: color-mix(in srgb, var(--mint) 40%, var(--line));
}
#ptt-hold-btn { width: 100%; min-height: 56px; margin: 8px 0; }
#ptt-hook-status.on { color: var(--mint); }
.range-label { margin: 0 0 12px; }
.range-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.range-row input[type="range"] {
  flex: 1;
  padding: 0;
  accent-color: var(--mint);
  height: 8px;
}
#mic-sensitivity-value {
  min-width: 2.5rem;
  text-align: right;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}