:root {
  color-scheme: dark;
  --bg: #0c1117;
  --panel: #151c24;
  --line: #2a3542;
  --text: #edf4fb;
  --muted: #9eb0c0;
  --accent: #3ba7ff;
  --danger: #e25d68;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(circle at top, #172332, var(--bg) 45%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
}

body { min-height: 100vh; }

a { color: inherit; }

.home {
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(560px, 100%);
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(21, 28, 36, .92);
  box-shadow: 0 24px 80px rgba(0, 0, 0, .35);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .18em;
}

h1 { margin: 0 0 12px; font-size: clamp(34px, 8vw, 64px); }
.lead, .note { color: var(--muted); line-height: 1.75; }

.field {
  display: grid;
  gap: 8px;
  margin: 26px 0 18px;
}

input, button {
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 14px;
  font: inherit;
}

input {
  width: 100%;
  padding: 0 15px;
  background: #0e141b;
  color: var(--text);
}

button {
  padding: 0 17px;
  background: #202b36;
  color: var(--text);
  font-weight: 750;
  cursor: pointer;
}

button:disabled { opacity: .45; cursor: default; }
button.primary { background: var(--accent); color: #04111c; border-color: transparent; }
button.danger { background: var(--danger); border-color: transparent; }

.actions, .panel {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 14px 18px;
  background: rgba(12, 17, 23, .9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.topbar a { text-decoration: none; font-weight: 800; }
.topbar span { text-align: right; color: var(--muted); font-size: 13px; }

.stage {
  width: min(1280px, 100%);
  margin: auto;
  padding: 18px;
}

.video-wrap {
  position: relative;
  overflow: hidden;
  min-height: 55vh;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #030609;
}

video {
  display: block;
  width: 100%;
  height: min(72vh, 820px);
  object-fit: contain;
  background: #030609;
}

.status {
  position: absolute;
  left: 14px;
  bottom: 14px;
  max-width: calc(100% - 28px);
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(0,0,0,.66);
  color: white;
  font-size: 13px;
}

.panel { margin-top: 14px; }

@media (max-width: 600px) {
  .card { padding: 24px; }
  .topbar { grid-template-columns: 1fr auto; }
  .topbar span { grid-column: 1 / -1; text-align: left; }
  .stage { padding: 10px; }
  video { height: 58vh; }
}

.timer{position:absolute;right:14px;top:14px;padding:8px 12px;border-radius:999px;background:rgba(0,0,0,.7)}.hidden{display:none!important}.zoom-box,.feedback{margin-top:14px;padding:18px;border:1px solid var(--line);border-radius:18px;background:rgba(21,28,36,.88)}.zoom-box label{display:flex;justify-content:space-between;margin-bottom:8px}.rating-picker{display:flex;gap:6px;margin-bottom:12px}.rating-picker button{min-width:48px;padding:0;font-size:28px;color:#596573;background:transparent}.rating-picker button.selected,.stars{color:#ffd166}.stars{font-size:28px;letter-spacing:4px}textarea{width:100%;min-height:110px;margin-bottom:12px;padding:12px 15px;background:#0e141b;color:var(--text);border:1px solid var(--line);border-radius:14px;font:inherit}