:root {
  --bg: #fdf6e9;
  --panel: #ffffff;
  --ink: #3a2e1f;
  --muted: #8a7a5a;
  --primary: #d98a3d;
  --primary-ink: #ffffff;
  --accent: #5a8f5a;
  --danger: #c0533e;
  --rule: #e7dcc5;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(90, 65, 20, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

.hidden {
  display: none !important;
}

.screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}

.panel {
  width: 100%;
  max-width: 420px;
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 24px;
}

.panel h1 {
  margin: 0 0 4px;
  font-size: 1.5rem;
}

.hint {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0 0 12px;
}

.rules-link {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 700;
}

.panel label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.panel input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--rule);
  font-size: 1rem;
  margin-bottom: 14px;
  font-family: inherit;
}

button.primary {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: var(--primary);
  color: var(--primary-ink);
  font-size: 1.05rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
}

button.primary:active {
  transform: translateY(1px);
}

.tabs {
  display: flex;
  gap: 4px;
  margin: 4px 0 14px;
  border-bottom: 1px solid var(--rule);
}

.tab {
  flex: 1;
  padding: 10px 4px;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--muted);
  border-bottom: 3px solid transparent;
  cursor: pointer;
}

.tab.active {
  color: var(--ink);
  font-weight: 700;
  border-bottom-color: var(--primary);
}

.tab-body {
  display: grid;
  gap: 12px;
}

.tab-body input[type="number"],
.tab-body input[type="text"],
.tab-body select {
  width: 100%;
  margin: 4px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--rule);
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
}

.panel .check {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  color: var(--ink);
  font-size: 0.88rem;
}

.field-row,
.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

button.secondary {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--rule);
  background: #fff;
  color: var(--ink);
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
}

.room-list {
  display: grid;
  gap: 8px;
}

.room-card {
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
}

.room-card button {
  width: auto;
  padding: 8px 14px;
  white-space: nowrap;
}

.invite-box {
  text-align: center;
  margin: 8px 0 16px;
}

.invite-code {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--primary);
}

.small-label {
  font-size: 0.78rem;
  color: var(--muted);
}

.room-settings {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  font-size: 0.85rem;
  margin: 0 0 14px;
}

.room-settings dt {
  color: var(--muted);
}

.room-settings dd {
  margin: 0;
}

.room-players {
  list-style: none;
  padding: 0;
  margin: 6px 0 12px;
  display: grid;
  gap: 6px;
}

.room-players li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  font-size: 0.9rem;
}

.room-players .who {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.room-players .badge {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--rule);
  white-space: nowrap;
}

.room-players .badge.ok {
  background: var(--accent);
  color: #fff;
}

.room-players .mini {
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid var(--rule);
  background: #fff;
  font-family: inherit;
  cursor: pointer;
}

.room-players .mini:disabled {
  opacity: 0.3;
  cursor: default;
}

button.primary:disabled {
  opacity: 0.45;
  cursor: default;
}

#ready-button.is-ready {
  background: var(--accent);
}

#room-screen .secondary {
  margin-top: 8px;
}

.join-error {
  margin-top: 10px;
  color: var(--danger);
  font-size: 0.85rem;
}

.ranking-groups {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

.ranking-group-title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.ranking {
  border: 1px solid var(--rule);
  border-radius: 10px;
  overflow: hidden;
}

.ranking-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 12px;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--rule);
}

.ranking-row:last-child {
  border-bottom: none;
}

.ranking-empty {
  padding: 12px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.legal-footer {
  margin-top: 22px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

.legal-footer a {
  color: var(--muted);
}

.copyright {
  margin: 6px 0 0;
}

/* サウンドパネル */
.sound-controls {
  position: fixed;
  top: 14px;
  right: 14px;
  z-index: 40;
}

.mute-btn,
.sound-mute-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--rule);
  background: var(--panel);
  font-size: 1.1rem;
  cursor: pointer;
}

.sound-panel {
  position: absolute;
  top: 48px;
  right: 0;
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 12px;
  width: 200px;
}

.sound-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}

.sound-row-label {
  font-size: 0.8rem;
  width: 48px;
}

.sound-volume {
  flex: 1;
}

/* 法務モーダル */
.legal-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}

.legal-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(58, 46, 31, 0.5);
}

.legal-modal-box {
  position: relative;
  width: min(640px, 92vw);
  height: min(80vh, 760px);
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.legal-modal-close {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 1;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--panel);
  box-shadow: var(--shadow);
  cursor: pointer;
}

.legal-modal-frame {
  width: 100%;
  height: 100%;
  border: none;
}

/* 切断バナー */
.disconnect-banner {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(58, 46, 31, 0.55);
}

.disconnect-box {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  max-width: 320px;
}

.disconnect-title {
  font-weight: 700;
  margin: 0 0 6px;
}