/* 脳トレゲームページ共通。サイト全体の色・文字は ../style.css を正本とする。 */

:root {
  --brain-stage-min-h: min(48vh, 400px);
  --brain-tile-text-solid: #244536;
  --brain-tile-bg-solid: #fffef8;
}

/* Controls and short play cues are operated, while titles and reading text stay selectable. */
.game-page :is(button, a.play, a.btn-secondary, [role="button"], .grid-cell, .kanji-tile),
.brain-category-tab,
.brain-card .play,
.game-page .game-board,
.game-page .game-stats,
.game-page .game-feedback {
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px 6px;
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  line-height: 1.4;
}
.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}
.breadcrumb a:hover {
  color: var(--green);
  text-decoration: underline;
}
.breadcrumb [aria-current="page"] {
  color: var(--ink);
  font-weight: 800;
}
.breadcrumb-sep {
  color: #c6cfb9;
  font-weight: 400;
}

.listing-header,
.game-page-header {
  padding: 16px 0 10px;
}
.listing-header h1,
.game-page-header h1 {
  font-size: 22px;
  line-height: 1.25;
}
.listing-header .lead {
  margin: 8px 0 0;
  max-width: 36em;
}
.brain-listing-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brain-listing-brand img {
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  border-radius: 11px;
}
.brain-listing-brand h1 { margin: 0; }
.brain-listing-brand .lead { margin: 4px 0 0; }
.game-lead {
  margin: 8px 0 0;
  color: #4d5c4c;
  line-height: 1.45;
  font-size: 14px;
  max-width: 40em;
}

.game-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 12px;
  flex-wrap: wrap;
}
.game-title-row h1 {
  margin: 0;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.ranking-title-btn {
  min-height: 44px;
  white-space: nowrap;
}

.ranking-view-dialog {
  box-sizing: border-box;
  padding: 0;
  max-width: calc(100vw - 24px);
  max-height: min(80dvh, 560px);
  overflow: hidden;
}

.ranking-view-dialog[open] {
  display: flex;
  flex-direction: column;
}

.ranking-view-panel {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  max-height: none;
  min-height: 0;
  flex: 1 1 auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.ranking-view-head h2,
.ranking-view-head p,
.ranking-view-body h3 {
  margin: 0;
}

.ranking-view-head p {
  margin-top: 6px;
  color: #526158;
  font-size: 14px;
}

.ranking-view-body {
  min-height: 0;
  flex: 1 1 auto;
  margin-top: 14px;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 2px 4px 4px 2px;
  overscroll-behavior: contain;
}

.ranking-view-mine {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.ranking-view-mine > div {
  border: 1px solid #cad9d0;
  border-radius: 10px;
  padding: 10px;
  display: grid;
  gap: 3px;
}

.ranking-view-mine span { color: #526158; font-size: 13px; }
.ranking-view-mine strong { font-size: 18px; }
.ranking-view-unregistered,
.ranking-view-empty,
.ranking-view-state { padding: 14px 4px; }
.ranking-view-table-wrap { margin-top: 8px; max-width: 100%; }
.ranking-view-table-wrap table { table-layout: fixed; width: 100%; margin-bottom: 4px; }
.ranking-view-table-wrap th,
.ranking-view-table-wrap td { box-sizing: border-box; overflow-wrap: anywhere; word-break: break-word; }
.ranking-view-table-wrap th:nth-child(1) { width: 4em; }
.ranking-view-table-wrap th:nth-child(3) { width: 6em; }
.ranking-view-table-wrap th:nth-child(4) { width: 7em; }
.ranking-view-mine > div { min-width: 0; overflow-wrap: anywhere; }
.ranking-view-foot {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  flex: 0 0 auto;
  border-top: 1px solid #d9e3dd;
  margin-top: 12px;
  padding: 12px 3px 3px;
}
.ranking-view-foot .ranking-btn { min-height: 44px; }
.ranking-view-foot .ranking-btn:focus-visible,
.ranking-view-body .ranking-btn:focus-visible,
.ranking-title-btn:focus-visible {
  outline: 2px solid #32664d;
  outline-offset: 2px;
}

@media (max-width: 430px) {
  body:has(.sysline-dev-mode-badge) .game-page-header {
    padding-right: 0 !important;
    padding-top: 46px;
  }
  .game-title-row { gap: 5px; }
  .game-title-row h1 { font-size: 18px; }
  .game-title-row .game-nav { gap: 4px; }
  .game-title-row .game-nav .btn-secondary {
    min-height: 42px;
    padding-left: 6px;
    padding-right: 6px;
    font-size: 12px;
  }
  .ranking-view-panel { padding: 15px 12px; }
  .ranking-view-table-wrap .ranking-board-table { font-size: 13px; }
  .ranking-view-table-wrap th,
  .ranking-view-table-wrap td { padding: 6px 4px; }
  .ranking-view-table-wrap th:nth-child(1) { width: 3.8em; }
  .ranking-view-table-wrap th:nth-child(3) { width: 5.8em; }
  .ranking-view-table-wrap th:nth-child(4) { width: 6.4em; }
  .ranking-view-mine { gap: 7px; }
  .ranking-view-mine > div { padding: 8px; }
  .ranking-view-foot { padding-left: 3px; padding-right: 3px; }
}
.game-title-icon {
  display: block;
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border-radius: 8px;
}

body:has(.sysline-dev-mode-badge) .game-page-header,
body:has(.sysline-dev-mode-badge) .listing-header {
  padding-right: 7.5rem;
}

.game-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin: 0;
  flex-shrink: 0;
}
.game-nav .btn-secondary,
.game-nav #game-pause {
  min-height: 40px;
}
#game-pause[hidden],
.stage-overlay[hidden],
.game-result-screen[hidden] {
  display: none !important;
}
body.is-prepare #game-pause,
body.is-countdown #game-pause,
body.is-paused #game-pause,
body.is-result #game-pause {
  display: none !important;
}
body.is-playing #game-pause:not([hidden]) {
  display: inline-block;
}
body.is-countdown .game-nav [data-brain-open="howto-dialog"],
body.is-playing .game-nav [data-brain-open="howto-dialog"],
body.is-paused .game-nav [data-brain-open="howto-dialog"] {
  display: none;
}
body.is-result .game-nav {
  display: none;
}
body.is-playing .breadcrumb,
body.is-countdown .breadcrumb,
body.is-paused .breadcrumb {
  display: none;
}

.game-page-frame {
  width: min(1200px, calc(100% - 32px));
  margin: 0 auto;
  align-self: center;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}
.game-page-center {
  min-width: 0;
  width: 100%;
  max-width: 680px;
  margin: 0 auto;
}
.ad-rail {
  display: none;
  min-height: 0;
  pointer-events: none;
}

body.game-page > .site-header,
body.game-page > main,
body.game-page > footer {
  width: auto;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
}
body.game-page .game-page-center > .site-header,
body.game-page .game-page-center > .game-layout,
body.game-page .game-page-center > .site-footer {
  width: 100%;
}

@media (min-width: 1180px) {
  .game-page-frame {
    grid-template-columns: minmax(0, 680px);
    justify-content: center;
    column-gap: 0;
    align-items: start;
    width: min(1280px, calc(100% - 48px));
  }
  .game-page-center {
    grid-column: 1;
    margin: 0 auto;
    max-width: 680px;
  }
  .ad-rail {
    display: none;
    min-height: 0;
    visibility: hidden;
  }
}

.game-setup {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
}
.setup-block { min-width: 0; }
.setup-inline-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}
.setup-level-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}
.setup-level-row .setup-label {
  margin: 0;
  white-space: nowrap;
}
.setup-level-row #sfx-toggle {
  margin-left: auto;
  flex: 0 0 auto;
}
.setup-color-block .setup-label {
  margin: 0 0 6px;
}
.setup-inline-row .choice-buttons[hidden] {
  display: none;
}
.setup-label {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--green);
}
.setup-note {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}
.best-label {
  margin: 0;
  color: #4d5c4c;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
  text-align: left;
}
.prepare-best-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  min-width: 0;
  padding-right: 114px;
}
.prepare-best-row .best-label {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
}
.prepare-best-row #ranking-user-switch-btn {
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  min-height: 40px;
  padding: 8px 10px;
  font-size: 12px;
  white-space: nowrap;
}
.choice-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.choice-buttons button {
  font-family: inherit;
  font-weight: 800;
  font-size: 13px;
  padding: 7px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}
.choice-buttons button.is-selected,
.choice-buttons button[aria-pressed="true"] {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}
.choice-buttons button:disabled,
.choice-buttons button.is-selected:disabled,
.choice-buttons button[aria-pressed="true"]:disabled {
  opacity: 1;
  cursor: default;
  background: #e8ece3;
  border-color: #d5ddd0;
  color: #8a9584;
}

.game-stats {
  display: none;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  align-items: center;
  min-height: 1.75rem;
  margin: 0 0 6px;
}
.game-stats span {
  background: var(--mint);
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
  padding: 5px 10px;
  border-radius: 999px;
  line-height: 1.2;
}

.playing-board {
  min-height: 140px;
  display: block;
  text-align: center;
}

.game-feedback {
  min-height: 1.25rem;
  margin: 6px 0 0;
  text-align: center;
  font-weight: 800;
  font-size: 14px;
}
.game-feedback.wrong { color: #b42318; }
.game-feedback.correct { color: var(--green); }

.game-layout {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}
.game-layout > .game-shell {
  order: 1;
}
.game-layout > .game-back-listing {
  order: 2;
  margin: 4px 0 8px;
}
.game-layout > .ad-slot {
  order: 3;
}

.game-shell,
.game-stage {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 16px 16px;
  min-height: 0;
}

button.play {
  border: 0;
  cursor: pointer;
  font-family: inherit;
}
#game-start.play {
  width: 100%;
  min-height: 48px;
  padding: 10px 16px;
  text-align: center;
  font-size: 16px;
}

.game-play-stack {
  position: relative;
  display: none;
  min-height: var(--brain-stage-min-h);
}

.game-board {
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.game-placeholder {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  font-weight: 700;
}

.stage-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 6;
  padding: 16px;
  box-sizing: border-box;
}
.stage-overlay[hidden] {
  display: none !important;
}

.countdown-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(12, 18, 28, 0.78);
  pointer-events: auto;
  padding: 16px;
}
.countdown-number {
  font-size: clamp(3.2rem, 16vw, 5.5rem);
  font-weight: 800;
  color: #fff;
  text-shadow: 0 2px 12px rgba(15, 23, 42, 0.35);
  animation: countdown-pop 0.45s ease;
  user-select: none;
}
@keyframes countdown-pop {
  0% { transform: scale(0.55); opacity: 0; }
  60% { transform: scale(1.12); }
  100% { transform: scale(1); opacity: 1; }
}

.pause-overlay {
  background: rgba(247, 248, 240, 0.78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.pause-panel {
  width: min(320px, 100%);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 18px 16px;
  text-align: center;
  box-shadow: 0 12px 32px rgba(52, 75, 64, 0.16);
}
.pause-panel h2 {
  margin: 0 0 14px;
  font-size: 18px;
}
.pause-panel .play,
.pause-panel .btn-secondary {
  width: 100%;
  min-height: 48px;
  margin: 0 0 8px;
  text-align: center;
  box-sizing: border-box;
}
.pause-panel [data-brain-open="other-games-dialog"] {
  margin-bottom: 18px;
}

.game-result-screen {
  display: none;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  padding: 0;
}
.game-result-screen h2 {
  margin: 0 0 4px;
  font-size: 15px;
}
.result-score {
  margin: 0 0 2px;
  font-size: 24px;
  font-weight: 800;
  color: var(--green);
  line-height: 1.15;
}
.result-detail {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  white-space: normal;
}
.result-detail:empty {
  display: none;
}
.result-best {
  margin: 0;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.result-layout {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0 0 6px;
}
.result-ranking {
  margin: 0;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font-size: 13px;
  line-height: 1.4;
  color: #4d5c4c;
}
.result-ranking[hidden] {
  display: none;
}
.result-rank-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 6px;
  height: 44px;
  min-height: 44px;
  max-height: 44px;
  overflow: hidden;
}
.result-rank-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex: 0 0 auto;
  height: 44px;
}
.result-rank-title {
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  color: var(--green);
}
.result-rank-detail {
  min-height: 32px !important;
  min-width: 0 !important;
  width: auto !important;
  padding: 4px 10px !important;
  font-size: 13px !important;
  flex: 0 0 auto;
}
.result-rank-detail[hidden] {
  display: inline-flex !important;
  visibility: hidden;
  pointer-events: none;
}
.result-rank-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 12px;
}
.result-rank-grid.is-single {
  grid-template-columns: minmax(0, max-content);
}
.result-rank-col-title {
  margin: 0 0 2px;
  font-size: 12px;
  font-weight: 800;
  color: var(--green);
}
.result-rank-heading {
  margin: 0 0 4px;
  font-size: 13px;
  font-weight: 800;
  color: var(--green);
}
.result-rank-block + .result-rank-block {
  margin-top: 10px;
}
.result-ranking-status {
  margin: 0;
}
.result-ranking-note {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  color: #8a2f2f;
  line-height: 1.4;
  min-height: 1.4em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.result-ranking-note:empty {
  visibility: hidden;
}
.result-rank-col > div {
  min-height: 1.4em;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (min-width: 720px) {
  body.is-result .game-result-screen:not([hidden]) {
    max-width: 640px;
  }
  .result-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(12.5rem, 16rem);
    gap: 8px 24px;
    align-items: start;
  }
  .result-record .result-best {
    margin-bottom: 0;
  }
}

.ranking-detail-dialog {
  width: min(520px, calc(100% - 32px));
  max-height: min(86vh, 640px);
}
.ranking-detail-meta {
  margin: 0 0 10px;
  font-size: 13px;
  color: #4d5c4c;
  line-height: 1.45;
}
.ranking-detail-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 10px;
}
.ranking-detail-you {
  margin: 0 0 8px;
  font-weight: 800;
  color: var(--green);
  font-size: 14px;
}
.ranking-detail-you:empty {
  display: none;
}
.ranking-board-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 12px;
  font-size: 14px;
}
.ranking-board-table th,
.ranking-board-table td {
  text-align: left;
  padding: 6px 8px;
  border-bottom: 1px solid var(--line);
}
.ranking-detail-dialog .ranking-board-table { table-layout: fixed; }
.ranking-detail-dialog .ranking-board-table th:first-child { width: 3.6em; }
.ranking-detail-dialog .ranking-board-table th:last-child { width: 6.5em; }
.ranking-detail-dialog .ranking-board-table td { overflow-wrap: anywhere; word-break: break-word; }
.ranking-board-table tr.is-you {
  font-weight: 800;
  background: #eef6e8;
}
.ranking-board-table tr.is-gap td {
  text-align: center;
  color: #5c6b64;
  letter-spacing: 0.2em;
  background: transparent;
  font-weight: 600;
}
.ranking-reset-notice {
  width: min(440px, calc(100vw - 24px));
  max-height: none;
}
.ranking-reset-notice .brain-dialog-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.ranking-reset-notice h2,
.ranking-reset-notice p {
  margin: 0;
}
.ranking-reset-notice p {
  line-height: 1.7;
}
.ranking-reset-notice-foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 4px;
}
.ranking-reset-notice-hide {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.ranking-reset-notice-hide input {
  width: 18px;
  height: 18px;
}
.ranking-reset-notice-ok {
  min-height: 44px;
  padding: 8px 16px;
}
@media (max-width: 430px) {
  .ranking-reset-notice-foot {
    align-items: stretch;
    flex-direction: column;
  }
  .ranking-reset-notice-ok {
    width: 100%;
  }
}

body.is-paused .game-board,
body.is-utility-paused .game-board {
  filter: blur(12px);
  pointer-events: none;
  user-select: none;
}
body.is-countdown .game-board {
  pointer-events: none;
  user-select: none;
}
body.is-countdown .game-play-stack,
body.is-playing .game-play-stack,
body.is-paused .game-play-stack {
  display: block;
}
body.is-playing .game-stats,
body.is-paused .game-stats,
body.is-countdown .game-stats {
  display: flex;
}
body.is-countdown .game-setup,
body.is-playing .game-setup,
body.is-paused .game-setup,
body.is-result .game-setup {
  display: none;
}
body.is-prepare .game-play-stack,
body.is-prepare .game-stats,
body.is-result .game-play-stack,
body.is-result .game-stats {
  display: none;
}
body.is-prepare .game-feedback,
body.is-result .game-feedback {
  display: none;
}
body.is-playing .game-lead,
body.is-countdown .game-lead,
body.is-paused .game-lead,
body.is-result .game-lead {
  display: none;
}
body.is-result .game-result-screen:not([hidden]) {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 0;
  box-sizing: border-box;
}
.finish-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(247, 248, 240, 0.9);
  pointer-events: auto;
}
.finish-overlay[hidden] {
  display: none !important;
}
.finish-mark {
  margin: 0;
  font-size: clamp(3rem, 12vw, 4.5rem);
  font-weight: 800;
  color: var(--green);
  letter-spacing: 0.08em;
  line-height: 1;
}
@media (prefers-reduced-motion: no-preference) {
  .finish-mark {
    animation: finish-pop 0.35s ease;
  }
}
@keyframes finish-pop {
  0% { transform: scale(0.86); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}
body.is-finish .game-play-stack,
body.is-finish .game-nav,
body.is-finish .game-back-listing {
  pointer-events: none;
}
body.is-result .game-actions {
  flex-direction: column;
}
body.is-result .game-actions .play,
body.is-result .game-actions .btn-secondary {
  width: 100%;
  text-align: center;
  box-sizing: border-box;
}
body.is-restarting .game-setup,
body.is-restarting .game-lead,
body.is-restarting .game-back-listing,
body.is-restarting .ad-slot-planned {
  display: none !important;
}
body.is-countdown {
  overflow: hidden;
}
body.is-playing .site-footer,
body.is-countdown .site-footer,
body.is-paused .site-footer,
body.is-playing .game-back-listing,
body.is-countdown .game-back-listing,
body.is-paused .game-back-listing,
body.is-result .game-back-listing {
  display: none;
}
body.is-playing .game-page-header,
body.is-countdown .game-page-header,
body.is-paused .game-page-header {
  padding: 8px 0 6px;
}
body.is-playing .game-shell,
body.is-countdown .game-shell,
body.is-paused .game-shell {
  padding: 8px 10px 10px;
}
body.is-playing .game-layout,
body.is-countdown .game-layout,
body.is-paused .game-layout {
  gap: 10px;
  margin-bottom: 12px;
}
body.is-playing .ad-slot-planned,
body.is-countdown .ad-slot-planned,
body.is-paused .ad-slot-planned {
  display: none;
  margin-top: 0;
  min-height: 0;
}

.howto {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px 18px;
}
.howto h2,
.game-actions h2,
.result-panel h2,
.other-games h2,
.brain-dialog-panel h2 {
  margin: 0 0 10px;
  font-size: 16px;
}
.howto ol,
.brain-dialog-panel ol {
  margin: 0 0 14px;
  padding-left: 1.2em;
  color: #4d5c4c;
  font-size: 14px;
  line-height: 1.7;
}

.game-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.game-actions .play,
.game-actions .btn-secondary,
.game-nav .btn-secondary,
.brain-dialog-panel .btn-secondary {
  border: 0;
  cursor: pointer;
  font-family: inherit;
}
.btn-secondary {
  display: inline-block;
  background: #fff;
  color: var(--green);
  text-decoration: none;
  font-weight: 800;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-size: 13px;
}
.btn-secondary:hover {
  border-color: var(--green);
}
.btn-secondary:disabled,
.play:disabled {
  opacity: 0.55;
  cursor: default;
  pointer-events: none;
}
.game-actions .play,
.game-actions .btn-secondary {
  min-height: 40px;
  min-width: 8em;
  text-align: center;
}
.game-result-screen .game-actions [data-brain-open="other-games-dialog"] {
  margin-bottom: 0;
}

.ad-slot {
  display: none;
  margin: 16px 0 0;
  min-height: 0;
}
.game-back-listing {
  margin: 10px 0 4px;
  text-align: center;
}
.game-back-listing a {
  color: var(--green);
  font-weight: 800;
  font-size: 14px;
  text-decoration: none;
}
.game-back-listing a:hover {
  text-decoration: underline;
}

.ad-slot-planned {
  display: none;
  margin: 0;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.brain-dialog {
  width: min(460px, calc(100% - 32px));
  max-height: min(80vh, 560px);
  margin: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  color: inherit;
  box-shadow: 0 12px 40px rgba(52, 75, 64, 0.18);
}
.brain-dialog::backdrop {
  background: rgba(52, 75, 64, 0.32);
}
.brain-dialog-panel {
  padding: 16px 16px 14px;
  overflow: auto;
  max-height: min(80vh, 560px);
}
.brain-dialog-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 0 0 10px;
}
.brain-dialog-head h2 {
  margin: 0;
  min-width: 0;
  flex: 1;
}
.brain-dialog-head [data-brain-close],
.brain-dialog-head .btn-secondary {
  margin: 0;
  flex-shrink: 0;
  min-height: 36px;
  padding: 6px 12px;
  white-space: nowrap;
}
.brain-dialog-panel .btn-secondary {
  margin-top: 4px;
}
.brain-dialog-head .btn-secondary {
  margin-top: 0;
}

#other-games-dialog.brain-dialog {
  --other-games-chrome: 15.5rem;
  --other-games-list-min: calc(56px * 5 + 8px * 4 + 12px);
  width: min(460px, calc(100% - 32px));
  max-height: min(86vh, 640px);
  max-height: min(86dvh, calc(100dvh - 24px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px)));
  overflow: hidden;
}
#other-games-dialog[open] {
  display: flex;
  flex-direction: column;
  height: fit-content;
}
#other-games-dialog .other-games-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 0 1 auto;
  min-height: 0;
  max-height: inherit;
  overflow: hidden;
  height: auto;
}
#other-games-dialog .other-games-panel h2 {
  flex: 1;
  min-width: 0;
  margin: 0;
}
#other-games-dialog .other-games-body {
  display: flex;
  flex-direction: column;
  flex: 0 1 auto;
  min-height: 0;
}
#other-games-dialog .other-games-filters {
  display: flex;
  flex-wrap: nowrap;
  align-items: stretch;
  gap: 8px;
  flex: 0 0 auto;
  margin: 0 0 10px;
}
.other-games-scope-btn {
  flex: 1 1 0;
  min-width: 0;
  min-height: 40px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-family: inherit;
  font-weight: 800;
  font-size: 13px;
  line-height: 1.2;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.other-games-scope-btn[aria-pressed="true"] {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.other-games-filter-sheet {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(52, 75, 64, 0.36);
}
.other-games-filter-sheet[hidden] {
  display: none !important;
}
.other-games-filter-card {
  width: min(100%, 320px);
  max-height: min(80vh, calc(100vh - 32px));
  max-height: min(80dvh, calc(100dvh - 32px));
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: fit-content;
  padding: 14px 14px 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(52, 75, 64, 0.18);
}
.other-games-filter-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex: 0 0 auto;
  margin: 0 0 10px;
}
.other-games-filter-head h3 {
  margin: 0;
  font-size: 16px;
}
.other-games-filter-head .btn-secondary {
  margin: 0;
  min-height: 36px;
  padding: 6px 12px;
  flex-shrink: 0;
}
.other-games-filter-options {
  display: grid;
  gap: 8px;
  flex: 0 1 auto;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 2px 0 4px;
}
.other-games-filter-option {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
  font-weight: 800;
  font-size: 14px;
  box-sizing: border-box;
}
.other-games-filter-option.is-checked,
.other-games-filter-option:has(input:checked) {
  border-color: var(--green);
  background: #f3f7ee;
}
.other-games-filter-option input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.other-games-filter-check {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border: 2px solid var(--line);
  border-radius: 6px;
  background: #fff;
  box-sizing: border-box;
}
.other-games-filter-option.is-checked .other-games-filter-check,
.other-games-filter-option:has(input:checked) .other-games-filter-check {
  background: var(--green);
  border-color: var(--green);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path fill='none' stroke='white' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round' d='M3.5 8.5 L6.5 11.5 L12.5 4.5'/></svg>");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px 12px;
}
.other-games-filter-actions {
  display: flex;
  gap: 8px;
  flex: 0 0 auto;
  margin-top: 8px;
}
.other-games-filter-actions .btn-secondary,
.other-games-filter-actions .play {
  flex: 1 1 0;
  min-width: 0;
  min-height: 44px;
  margin: 0;
  text-align: center;
}
#other-games-dialog .other-games-scroll {
  flex: 0 1 auto;
  min-height: min(var(--other-games-list-min), calc(86vh - var(--other-games-chrome)));
  min-height: min(var(--other-games-list-min), calc(86dvh - var(--other-games-chrome)));
  height: min(var(--other-games-list-min), calc(86dvh - var(--other-games-chrome)));
  max-height: min(var(--other-games-list-min), calc(86dvh - var(--other-games-chrome)));
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 4px 2px;
}
#other-games-dialog .other-games-ad {
  display: none;
  flex: 0 0 auto;
  margin: 0;
  min-height: 0;
}
#other-games-dialog .brain-dialog-head {
  flex: 0 0 auto;
}
#other-games-dialog .other-games-list {
  margin: 0;
}

.other-games-list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 8px;
}
.other-game-row,
.other-games-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
}
.other-game-name {
  flex: 1;
  min-width: 0;
}
.other-games-list .status-badge,
.other-games-list .play {
  margin: 0;
  flex-shrink: 0;
}
.other-games-list .play {
  padding: 8px 12px;
  font-size: 12px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
}
.other-games-empty,
.brain-list-empty {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
}

.brain-game-icon,
.brain-card-media {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--mint);
  overflow: hidden;
}
.brain-game-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
}
.brain-game-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.brain-game-icon.is-small {
  width: 36px;
  height: 36px;
  border-radius: 10px;
}
.brain-game-icon.is-fallback,
.brain-card-media.is-fallback {
  color: var(--green);
  font-weight: 800;
  font-size: 18px;
}
.brain-game-icon.is-fallback::before,
.brain-card-media.is-fallback::before {
  content: attr(data-fallback);
}

.brain-category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}
.brain-category-tab {
  font-family: inherit;
  font-weight: 800;
  font-size: 13px;
  padding: 8px 14px;
  min-height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}
.brain-category-tab[aria-selected="true"] {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.brain-cards {
  display: grid;
  gap: 16px;
  margin: 0 0 28px;
  grid-template-columns: 1fr;
  align-items: stretch;
}
.brain-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  height: 100%;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
/* 分類タブで hidden を付けたカードは確実に消す（display:flex に負けないように）。 */
.brain-card[hidden] {
  display: none;
}
.brain-card-media {
  display: flex;
  position: relative;
  width: 100%;
  height: 216px;
  box-sizing: border-box;
  padding: 16px;
  border-radius: 0;
  background: var(--paper);
  overflow: hidden;
}
.brain-card-media img,
.brain-card-media video {
  width: 184px;
  height: 184px;
  max-width: 100%;
  border-radius: 20px;
  object-fit: contain;
  display: block;
}
.brain-card-body {
  min-width: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 14px 16px 16px;
}
.brain-card .card-title {
  margin: 0 0 6px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
}
.brain-card p {
  margin: 0 0 12px;
  line-height: 1.45;
  color: #4d5c4c;
  font-size: 14px;
  flex: 1;
}
.brain-card .play,
.brain-card .play.is-disabled {
  margin-top: auto;
  align-self: flex-start;
  min-height: 44px;
  padding: 10px 16px;
  font-size: 14px;
  text-align: center;
}

.footer-meta {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}
.footer-meta a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 0.8em;
}
.footer-meta a:hover {
  color: var(--green);
  text-decoration: underline;
}

@media (min-width: 720px) {
  .brain-cards {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .game-page-header h1,
  .listing-header h1 { font-size: 20px; }
  .game-title-row h1 { font-size: 18px; }
  .game-title-icon {
    width: 28px;
    height: 28px;
    flex-basis: 28px;
    border-radius: 7px;
  }
  .game-shell,
  .game-stage { padding: 10px 12px 12px; }
  .game-actions { flex-direction: column; }
  .game-actions .play,
  .game-actions .btn-secondary {
    width: 100%;
    text-align: center;
    min-height: 44px;
  }
  .game-nav .btn-secondary,
  .game-nav #game-pause {
    min-height: 40px;
  }
  .breadcrumb {
    font-size: 11px;
  }
  .brain-card .play,
  .brain-card .play.is-disabled {
    width: 100%;
    align-self: stretch;
  }
}

@media (max-width: 430px) {
  .game-page-frame {
    width: calc(100% - 24px);
  }
  .brain-dialog {
    width: calc(100% - 24px);
    max-height: min(86vh, 560px);
    max-width: calc(100vw - 24px);
  }
  #other-games-dialog.brain-dialog {
    --other-games-chrome: 16rem;
    width: calc(100% - 24px);
    max-width: calc(100vw - 24px);
    max-height: min(86vh, calc(100vh - 24px));
    max-height: min(86dvh, calc(100dvh - 24px - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px)));
  }
  .other-games-scope-btn {
    min-height: 40px;
    font-size: 13px;
    padding: 8px 8px;
  }
  .choice-buttons button {
    min-height: 44px;
    padding: 8px 12px;
  }
  .game-nav .btn-secondary,
  .game-nav #game-pause,
  #game-start.play,
  #sfx-toggle {
    min-height: 44px;
  }
  .game-nav .btn-secondary,
  .game-nav #game-pause {
    padding: 8px 10px;
    font-size: 12px;
  }
  .setup-level-row #sfx-toggle {
    margin-left: auto;
    width: auto;
    flex: 0 0 auto;
  }
  .game-result-screen .game-actions .play,
  .game-result-screen .game-actions .btn-secondary {
    width: 100%;
  }
}

@media (max-height: 760px) {
  .game-page-header {
    padding: 10px 0 6px;
  }
  .game-page-header h1 {
    font-size: 20px;
  }
  .game-lead {
    font-size: 13px;
  }
  .game-shell,
  .game-stage {
    padding: 10px 12px 12px;
  }
  .game-layout {
    gap: 10px;
    margin-bottom: 16px;
  }
  .game-stats {
    min-height: 1.75rem;
    margin: 0 0 6px;
  }
  .game-feedback {
    margin: 4px 0 0;
  }
}

.ranking-entry {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
}
.ranking-entry-listing {
  margin: 0 0 18px;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.ranking-entry-copy {
  display: grid;
  gap: 2px;
}
.ranking-entry-listing p {
  margin: 0;
  font-size: 15px;
  line-height: 1.45;
  color: #4d5c4c;
}
.ranking-entry-listing strong {
  color: var(--ink);
}
.ranking-entry .btn-secondary,
.ranking-entry .ranking-btn,
.ranking-settings-panel .btn-secondary,
.ranking-settings-panel .ranking-btn,
.ranking-settings-panel .play {
  min-height: 44px;
  font-size: 15px;
}
.ranking-entry-prepare {
  margin: 0;
}
.ranking-open-btn {
  font-size: 14px;
  padding: 8px 14px;
}
body.is-countdown #ranking-user-switch-btn,
body.is-playing #ranking-user-switch-btn,
body.is-paused #ranking-user-switch-btn,
body.is-result #ranking-user-switch-btn {
  display: none !important;
}
#ranking-settings-dialog.brain-dialog,
#ranking-switch-dialog.brain-dialog {
  width: min(28rem, calc(100vw - 32px));
  max-width: calc(100vw - 32px);
  max-height: min(92vh, 640px);
  max-height: min(92vh, 92dvh, 640px);
  overflow: hidden;
}
#ranking-settings-dialog .ranking-settings-panel,
#ranking-switch-dialog .ranking-settings-panel {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-height: min(92vh, 640px);
  max-height: min(92vh, 92dvh, 640px);
  /* 使える高さが極端に少ない（iOSキーボード表示・大きめ文字）ときは、本文を潰さずパネル全体で内部スクロールする */
  overflow-x: hidden;
  overflow-y: auto;
  min-height: 0;
  box-sizing: border-box;
}
#ranking-settings-dialog .ranking-settings-panel > h2,
#ranking-switch-dialog .ranking-settings-panel > h2 {
  flex: 0 0 auto;
}
.ranking-settings-panel {
  max-width: 28rem;
}
.ranking-settings-body {
  overflow: auto;
  min-height: 7rem;
  flex: 1 1 auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding-left: 6px;
  padding-right: 6px;
  padding-bottom: max(4px, env(safe-area-inset-bottom));
}
.ranking-settings-foot {
  display: flex;
  justify-content: flex-end;
  margin-top: 12px;
  flex: 0 0 auto;
}
.ranking-settings-foot .btn-secondary {
  margin-top: 0;
}
.ranking-main-actions {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
}
.ranking-main-actions .play,
.ranking-main-actions .btn-secondary {
  width: 100%;
}
.ranking-profile-delete {
  margin-top: 16px;
}
.ranking-back-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
}
@media (max-height: 520px) {
  #ranking-settings-dialog.brain-dialog,
  #ranking-switch-dialog.brain-dialog {
    max-height: min(94vh, 94dvh);
  }
  #ranking-settings-dialog .ranking-settings-panel,
  #ranking-switch-dialog .ranking-settings-panel {
    max-height: min(94vh, 94dvh);
  }
  /* 低高さでは余白を詰め、入力欄が見える面積を増やす */
  #ranking-settings-dialog .ranking-settings-panel,
  #ranking-switch-dialog .ranking-settings-panel {
    padding: 10px 10px 8px;
  }
  #ranking-settings-dialog .ranking-settings-panel > h2,
  #ranking-switch-dialog .ranking-settings-panel > h2 {
    margin-bottom: 6px;
  }
  #ranking-settings-dialog .ranking-settings-body p {
    margin-block: 4px;
    line-height: 1.4;
  }
  /* 低高さでは本文を縮めず、見出し・本文・操作部をパネル内の1本のスクロールで辿れるようにする */
  #ranking-settings-dialog .ranking-settings-body,
  #ranking-switch-dialog .ranking-settings-body {
    flex: 0 0 auto;
    min-height: 0;
    overflow: visible;
  }
}
.ranking-settings-foot[hidden] {
  display: none;
}
.ranking-unsaved-back {
  margin-top: 18px;
}
.ranking-settings-panel p,
.ranking-current dt,
.ranking-current dd,
.ranking-user-copy,
.ranking-current-user,
.ranking-field-label,
.ranking-inline-row {
  font-size: 16px;
  line-height: 1.5;
}
.ranking-current {
  margin: 0 0 16px;
  display: grid;
  gap: 10px;
}
.ranking-current > div {
  display: grid;
  gap: 2px;
}
.ranking-current dt {
  color: var(--green);
  font-weight: 800;
  font-size: 13px;
}
.ranking-current dd {
  margin: 0;
  font-weight: 700;
}
.ranking-field-label,
.ranking-listing-user {
  display: grid;
  gap: 6px;
  margin: 0 0 12px;
  font-weight: 800;
  color: var(--green);
  font-size: 13px;
}
.ranking-listing-user {
  margin: 0;
  color: #4d5c4c;
  font-size: 15px;
  font-weight: 700;
}
.ranking-field-label input:disabled,
.ranking-field-label select:disabled {
  opacity: 0.72;
}
.ranking-field-label select,
.ranking-listing-user select,
#ranking-age-select,
#ranking-settings-user,
#ranking-listing-switch,
#ranking-switch-select {
  width: 100%;
  max-width: 100%;
  min-height: 44px;
  box-sizing: border-box;
  padding: 8px 10px;
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
@media (max-width: 480px) {
  #ranking-settings-dialog input[type="text"],
  #ranking-settings-dialog select {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    font-size: 16px;
  }
  #ranking-settings-dialog .ranking-settings-panel > h2 {
    margin-bottom: 8px;
  }
  .ranking-register-form > p:first-child {
    margin: 0 0 8px;
    line-height: 1.4;
  }
  .ranking-register-form .ranking-field-label {
    gap: 4px;
    margin-bottom: 8px;
  }
  .ranking-register-form input[type="text"] {
    min-height: 44px;
    margin-top: 2px;
    padding-block: 7px;
  }
  .ranking-register-form .ranking-hint {
    margin-top: 4px;
    line-height: 1.35;
  }
  .ranking-register-form .ranking-actions {
    gap: 6px;
    margin-top: 7px;
  }
  #ranking-settings-dialog .ranking-settings-foot {
    margin-top: 8px;
  }
}
.ranking-user-trigger,
.ranking-user-choice,
.ranking-current-only {
  width: 100%;
  min-height: 44px;
  box-sizing: border-box;
  padding: 9px 12px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font: inherit;
  font-size: 16px;
  font-weight: 700;
}
.ranking-user-trigger,
.ranking-user-choice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  cursor: pointer;
}
.ranking-current-only { display: flex; align-items: center; }
.ranking-user-choices { display: grid; gap: 8px; }
.ranking-user-choice.is-current {
  border-color: #6fa77c;
  background: #eef7ed;
}
.ranking-user-choice.is-selected {
  border-color: #32664d;
  box-shadow: inset 0 0 0 1px #32664d;
}
.ranking-user-choice-mark,
.ranking-user-mark {
  color: var(--green);
  font-size: 13px;
  white-space: nowrap;
}
.ranking-user-mark {
  width: 1.2em;
  flex: 0 0 auto;
  font-size: 16px;
}
.ranking-user-choice > span:nth-child(2) {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ranking-user-age {
  margin-left: auto;
  color: #4d5c4c;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}
.ranking-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  width: auto;
  min-height: 48px;
  padding: 8px 14px;
  border-radius: 10px;
  font: inherit;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}
.ranking-manage-actions {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
}
.ranking-manage-actions .ranking-btn,
.ranking-actions .ranking-btn,
.ranking-settings-panel .ranking-profile-delete {
  width: 100%;
}
.ranking-btn-primary {
  background: #32664d;
  color: #fff;
  border: 1px solid #244a38;
}
.ranking-btn-secondary {
  background: #e7f2ea;
  color: #244a38;
  border: 1px solid #6fa77c;
}
.ranking-btn-danger {
  background: #fdecec;
  color: #8a2f2f;
  border: 1px solid #e3b4b4;
}
.ranking-btn-close {
  background: #f4f7f2;
  color: #244a38;
  border: 1px solid #b7c7b8;
}
.ranking-settings-foot .ranking-btn-close {
  width: auto;
  min-width: 6.5em;
}
.result-rank-entry {
  width: auto;
  min-height: 36px;
  height: 36px;
  padding: 0 12px;
  font-size: 13px;
}
#ranking-user-switch-btn {
  width: auto;
  min-height: 44px;
}
.ranking-btn:focus-visible,
.ranking-user-choice:focus-visible,
.ranking-field-label input:focus-visible,
.ranking-field-label select:focus-visible {
  outline: 2px solid #32664d;
  outline-offset: 2px;
}
.ranking-inline-link {
  min-height: 44px;
  margin-top: 8px;
  padding: 8px 10px;
  border: 1px solid #6fa77c;
  border-radius: 8px;
  background: #e7f2ea;
  color: #244a38;
  font: inherit;
  font-weight: 700;
}
.ranking-btn:disabled {
  background: #e4ebe6;
  color: #3d4a40;
  border-color: #c5d0c6;
  opacity: 1;
  cursor: default;
}
@media (hover: hover) {
  .ranking-btn-primary:hover {
    background: #28543f;
  }
  .ranking-btn-secondary:hover {
    background: #d7eadc;
  }
  .ranking-btn-danger:hover {
    background: #f8dede;
  }
  .ranking-btn-close:hover {
    background: #e7eee8;
  }
}
.ranking-inline-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin: 0 0 8px;
}
.ranking-field-name {
  font-size: 13px;
  font-weight: 800;
  color: var(--green);
  min-width: 3.5em;
}
.ranking-name-value {
  flex: 1;
  min-width: 4em;
  font-size: 16px;
}
.ranking-inline-row input[type="text"] {
  flex: 1;
  min-width: 8em;
  min-height: 44px;
  box-sizing: border-box;
  padding: 8px 10px;
  font: inherit;
  font-size: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.ranking-tooltip-wrap {
  position: relative;
  display: inline-flex;
}
.ranking-tooltip-wrap[data-tooltip]:hover::after,
.ranking-tooltip-wrap[data-tooltip]:focus-within::after {
  content: attr(data-tooltip);
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: calc(100% + 6px);
  transform: translateX(-50%);
  width: max-content;
  max-width: 16rem;
  padding: 6px 8px;
  border-radius: 8px;
  background: #1f2a24;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.35;
  pointer-events: none;
}
.ranking-actions {
  display: grid;
  gap: 10px;
  margin: 12px 0 0;
}
.ranking-hint,
.ranking-error,
.ranking-warn {
  margin: 8px 0 0;
  line-height: 1.5;
}
.ranking-error,
.ranking-warn {
  color: #8a2f2f;
  font-weight: 700;
}
.ranking-multi {
  margin: 18px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
  color: #4d5c4c;
  font-size: 15px;
}
.ranking-form input[type="text"] {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  min-height: 48px;
  margin-top: 8px;
  padding: 10px 12px;
  font: inherit;
  font-size: 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
}
.ranking-choice-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 0;
}
.ranking-choice {
  min-height: 44px;
  padding: 8px 14px;
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}
.ranking-choice.is-selected,
.ranking-choice[aria-pressed="true"] {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}
.ranking-user-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.ranking-user-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.ranking-user-row.is-current {
  border-color: var(--green);
  background: #f7faf3;
}
.ranking-user-copy {
  display: grid;
  gap: 2px;
}
.ranking-user-badge {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}
.ranking-user-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

html.is-brain-scroll-locked,
html.is-brain-scroll-locked body {
  overflow: hidden !important;
  overscroll-behavior: none;
}
body.is-brain-scroll-locked {
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
}
.brain-praise { display: inline-block; margin-left: .45em; color: #186b56; font-weight: 800; }

.game-layout > .brain-guide { order: 4; }
.brain-guide,
.brain-listing-about {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
}
.brain-guide h2,
.brain-listing-about h2 { margin: 0 0 8px; font-size: 1.2rem; }
.brain-guide h2:not(:first-child) { margin: 18px 0 5px; font-size: 1rem; }
.brain-guide p,
.brain-listing-about p { margin: 0 0 10px; }
.brain-guide p:last-child,
.brain-listing-about p:last-child { margin-bottom: 0; }
.brain-listing-about { margin: 20px 0 0; }
.brain-dialog-panel .howto-copy { max-width: 42rem; }
.brain-dialog-panel .howto-copy .howto-summary {
  margin: 0 0 12px;
  font-weight: 700;
  line-height: 1.6;
}
.brain-dialog-panel .howto-block + .howto-block { margin-top: 11px; }
.brain-dialog-panel .howto-block h3 {
  margin: 0 0 4px;
  color: var(--green);
  font-size: 0.9rem;
  line-height: 1.4;
}
.brain-dialog-panel .howto-block p { margin: 0; line-height: 1.6; }
body.is-playing .brain-guide,
body.is-countdown .brain-guide,
body.is-paused .brain-guide,
body.is-result .brain-guide { display: none; }
@media (prefers-reduced-motion: no-preference) {
  .brain-praise { animation: brain-praise-in 140ms ease-out both; }
  @keyframes brain-praise-in { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: translateY(0); } }
}