.kanji-game {
  --ks-ink: #324237;
  --ks-soft: #fff7fb;
  --ks-line: #f5a8cf;
  --ks-accent: #f35aa4;
  --ks-leaf: #56c979;
  --ks-leaf-dark: #25a956;
  --ks-gold: #ffe36d;
  --ks-sky: #dff7ff;
  --ks-title-bg: url("https://wakabaland.com/wp-content/uploads/2026/08/02-003-001.webp");
  color: var(--ks-ink);
  font-family: "M PLUS Rounded 1c", "Zen Maru Gothic", "Kosugi Maru", "Hiragino Maru Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 12px 42px;
  background: transparent;
  border-radius: 8px;
}
.kanji-game.is-playing {
  padding-top: 8px;
  padding-bottom: 18px;
}
.kanji-game button,
.kanji-game input,
.kanji-game textarea,
.kanji-game select {
  box-sizing: border-box;
  font-family: inherit;
}
.ks-panel {
  background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,250,253,.98));
  border: 3px solid var(--ks-line);
  border-radius: 8px;
  box-shadow: 0 5px 0 rgba(243,90,164,.32);
}
.ks-title {
  margin: 0;
  font-size: clamp(30px, 6vw, 64px);
  line-height: 1;
  letter-spacing: 0;
  text-align: center;
  color: var(--ks-accent);
  text-shadow: 0 3px 0 #fff, 0 5px 0 rgba(50,66,55,.12);
}
.ks-kicker {
  margin: 0 0 8px;
  text-align: center;
  font-size: 12px;
  font-weight: 900;
  color: var(--ks-leaf-dark);
}
.ks-sub {
  margin: 14px 0 0;
  font-size: clamp(15px, 2.8vw, 22px);
  text-align: center;
  font-weight: 900;
  color: #577064;
}
.ks-start {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 5vw, 54px);
  background:
    linear-gradient(180deg, rgba(255,255,255,.78), rgba(255,250,253,.84)),
    var(--ks-title-bg) center / cover no-repeat,
    #fff;
}
.ks-start-head {
  display: grid;
  gap: 4px;
}
.ks-level-select {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
  align-items: stretch;
}
.ks-level-main,
.ks-practice-card {
  display: grid;
  grid-template-rows: auto 1fr;
  align-content: start;
  gap: 10px;
  border: 2px solid #ffc9e3;
  background:
    linear-gradient(180deg, rgba(255,255,255,.97), rgba(255,250,253,.95)),
    repeating-linear-gradient(90deg, rgba(255,210,232,.16) 0 1px, transparent 1px 16px);
  backdrop-filter: blur(1.5px);
  border-radius: 8px;
  padding: 15px;
  box-shadow: 0 8px 18px rgba(243,90,164,.08);
}
.ks-mode-copy {
  min-height: 64px;
  display: grid;
  align-content: start;
  gap: 6px;
}
.ks-mode-copy strong {
  display: block;
  font-size: 22px;
  line-height: 1.18;
  color: var(--ks-leaf-dark);
  text-shadow: 0 2px 0 rgba(255,255,255,.9);
}
.ks-mode-copy > span {
  display: block;
  font-size: 14.5px;
  line-height: 1.62;
  font-weight: 900;
  color: #35483c;
}
.ks-mobile-break {
  display: inline;
}
.ks-level-buttons,
.ks-practice-levels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.ks-level-btn,
.ks-practice-btn {
  appearance: none;
  border: 2px solid #c9f0d4;
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #f7fff9);
  color: var(--ks-leaf-dark);
  min-height: 43px;
  padding: 7px;
  font-size: 15px;
  cursor: pointer;
  box-shadow: 0 4px 0 #b9eec7, 0 8px 14px rgba(86,201,121,.1);
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease, background .12s ease;
}
.ks-level-btn span,
.ks-level-btn small,
.ks-practice-btn span,
.ks-practice-btn small {
  display: block;
  font-weight: 900;
}
.ks-level-btn small,
.ks-practice-btn small {
  margin-top: 2px;
  font-size: 11px;
  color: #6a7c70;
}
.ks-level-btn.is-active,
.ks-practice-btn.is-active {
  border-color: var(--ks-accent);
  background: linear-gradient(180deg, #fffafd, #ffe8f4);
  color: var(--ks-accent);
  box-shadow: 0 4px 0 var(--ks-accent), 0 0 0 3px rgba(243,90,164,.14) inset, 0 10px 18px rgba(243,90,164,.12);
}
.ks-level-btn:hover,
.ks-practice-btn:hover,
.ks-support-btn:hover,
.ks-btn:hover {
  transform: translateY(-1px);
}
.ks-rule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 12px;
}
.ks-rule {
  border: 2px solid #ffc9e3;
  background: linear-gradient(180deg, #fff, #fff7fb);
  border-radius: 8px;
  padding: 12px;
  min-height: 92px;
  box-shadow: 0 5px 14px rgba(243,90,164,.12);
}
.ks-rule strong {
  display: block;
  font-size: 20px;
  margin-bottom: 6px;
  color: var(--ks-leaf-dark);
}
.ks-rule span {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  font-weight: 800;
}
.ks-actions,
.ks-toolbar,
.ks-result-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}
.ks-btn {
  appearance: none;
  display: inline-grid;
  place-items: center;
  text-align: center;
  border: 3px solid #fff;
  border-radius: 8px;
  background: var(--ks-leaf);
  color: #fff;
  min-width: 132px;
  min-height: 50px;
  padding: 9px 18px;
  font-weight: 900;
  font-size: 18px;
  line-height: 1.2;
  cursor: pointer;
  text-shadow: 0 2px 0 rgba(0,0,0,.16);
  box-shadow: 0 5px 0 var(--ks-leaf-dark), 0 10px 18px rgba(86,201,121,.22);
}
.ks-btn.secondary {
  background: #fff;
  color: var(--ks-accent);
  border-color: #ffd2e8;
  text-shadow: none;
  box-shadow: 0 5px 0 #ffd2e8, 0 10px 18px rgba(243,90,164,.12);
}
.ks-btn.gold {
  background: var(--ks-gold);
  color: #6a5200;
  text-shadow: 0 2px 0 rgba(255,255,255,.5);
  box-shadow: 0 5px 0 #e0b900, 0 10px 18px rgba(241,196,0,.18);
}
.ks-btn.leaf {
  background: var(--ks-leaf);
  color: #fff;
}
.ks-btn:active {
  transform: translateY(4px);
  box-shadow: 0 1px 0 rgba(0,0,0,.18);
}
.ks-game-screen {
  display: none;
  gap: 8px;
}
.ks-game-screen.is-active {
  display: grid;
}
.ks-hud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.ks-meter {
  border: 2px solid #ffd2e8;
  background: rgba(255,255,255,.96);
  border-radius: 8px;
  padding: 7px 10px;
  text-align: center;
  box-shadow: 0 6px 16px rgba(86,201,121,.12);
}
.ks-meter span {
  display: block;
  font-size: 12px;
  font-weight: 900;
  color: var(--ks-leaf-dark);
}
.ks-meter strong {
  display: block;
  font-size: clamp(23px, 3.2vw, 32px);
  line-height: 1.05;
}
.ks-timer.is-danger strong {
  color: var(--ks-accent);
}
.ks-hint {
  display: none;
}
.ks-zoom-controls {
  display: flex;
  gap: 5px;
  justify-content: center;
  margin-top: 5px;
}
.ks-icon-btn {
  width: 36px;
  height: 31px;
  border: 2px solid #fff;
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #fff8fc);
  color: var(--ks-accent);
  font-size: 18px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 3px 0 #ffd2e8;
}
.ks-zoom-reset {
  width: 52px;
  font-size: 14px;
}
.ks-supports {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.ks-support-btn {
  appearance: none;
  border: 2px solid #c9f0d4;
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #f5fff8);
  color: var(--ks-ink);
  min-height: 48px;
  padding: 7px 9px;
  cursor: pointer;
  box-shadow: 0 4px 0 #b9eec7, 0 8px 16px rgba(86,201,121,.12);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 2px;
}
.ks-support-btn strong,
.ks-support-btn span,
.ks-support-btn em {
  font-weight: 900;
}
.ks-support-copy {
  display: grid;
  gap: 2px;
  justify-items: center;
  min-width: 0;
}
.ks-support-btn strong {
  color: var(--ks-leaf-dark);
  font-size: 17px;
  line-height: 1.15;
}
.ks-support-btn em {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin: 0;
  border: 2px solid rgba(243,90,164,.42);
  border-radius: 8px;
  background: #fff;
  color: #252525;
  font-family: inherit;
  font-size: 38px;
  font-style: normal;
  line-height: 1;
  box-shadow: inset 0 0 0 3px rgba(255,234,245,.85), 0 5px 14px rgba(243,90,164,.14);
}
.ks-support-btn span {
  margin-top: 2px;
  color: #6b786f;
  font-size: 12px;
  line-height: 1.35;
}
.ks-support-btn.has-reveal {
  grid-template-columns: minmax(0, 1fr) auto;
  justify-items: stretch;
  align-items: center;
  gap: 10px;
  padding: 7px 8px 7px 12px;
  border-color: var(--ks-accent);
  background: linear-gradient(180deg, #fff8fc, #ffeef7);
  box-shadow: 0 4px 0 var(--ks-accent), 0 10px 22px rgba(243,90,164,.18);
  opacity: 1;
}
.ks-support-btn.has-reveal .ks-support-copy {
  justify-items: start;
  text-align: left;
}
.ks-support-btn.has-reveal strong {
  font-size: 15px;
}
.ks-support-btn.has-reveal span span {
  font-size: 11px;
}
.ks-support-btn:disabled {
  cursor: default;
  transform: translateY(3px);
  box-shadow: 0 1px 0 #b9eec7;
}
.ks-support-btn:disabled:not(.has-reveal) {
  opacity: .48;
}
.ks-support-btn:disabled.has-reveal {
  border-color: #c8efd4;
  background: linear-gradient(180deg, #fbfffc, #f3fff7);
  box-shadow: 0 1px 0 #b9eec7;
  opacity: .58;
}
.ks-support-btn:disabled.has-reveal em {
  opacity: .9;
}
.ks-play-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: -4px;
}
.ks-mini-btn {
  appearance: none;
  border: 2px solid #ffd2e8;
  border-radius: 8px;
  background: #fff;
  color: var(--ks-accent);
  min-height: 32px;
  padding: 4px 12px;
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 3px 0 #ffd2e8;
}
.ks-mini-btn:hover {
  transform: translateY(-1px);
}
.ks-ranking-modal,
.ks-confirm-modal {
  --ks-ink: #324237;
  --ks-soft: #fff7fb;
  --ks-line: #f5a8cf;
  --ks-accent: #f35aa4;
  --ks-leaf: #56c979;
  --ks-leaf-dark: #25a956;
  --ks-gold: #ffe36d;
  --ks-sky: #dff7ff;
  --ks-title-bg: url("https://wakabaland.com/wp-content/uploads/2026/08/02-003-001.webp");
  color: var(--ks-ink);
  font-family: "M PLUS Rounded 1c", "Zen Maru Gothic", "Kosugi Maru", "Hiragino Maru Gothic ProN", "Yu Gothic", system-ui, sans-serif;
}
.ks-ranking-modal button,
.ks-confirm-modal button {
  box-sizing: border-box;
  font-family: inherit;
}
.ks-confirm-modal {
  position: fixed;
  inset: 0;
  z-index: 2147483647 !important;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(45,64,53,.52);
  padding: 14px;
}
.ks-confirm-modal.is-open {
  display: flex;
}
.ks-confirm-card {
  width: min(420px, 100%);
  border: 3px solid #ffd2e8;
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #fff8fc);
  padding: 20px;
  text-align: center;
  box-shadow: 0 5px 0 rgba(243,90,164,.32);
}
.ks-confirm-card h2 {
  margin: 0;
  color: var(--ks-accent);
  font-size: 26px;
}
.ks-confirm-card p {
  margin: 10px 0 16px;
  font-weight: 900;
  font-size: 15px;
  line-height: 1.6;
}
.ks-confirm-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.ks-board-shell {
  border: 3px solid #ffd2e8;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,247,251,.96)),
    repeating-linear-gradient(0deg, rgba(86,201,121,.08) 0 22px, rgba(255,255,255,0) 22px 44px);
  height: clamp(330px, calc(100svh - 320px), 570px);
  min-height: 0;
  overflow: hidden;
  touch-action: pan-y;
  position: relative;
  display: block;
  cursor: grab;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.65), 0 16px 34px rgba(50,66,55,.13);
  scrollbar-width: thin;
  scrollbar-color: rgba(243,90,164,.42) transparent;
}
.ks-board-shell:active {
  cursor: grabbing;
}
.ks-board-shell.is-zoomed {
  overflow: auto;
  touch-action: none;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.ks-board-stage {
  min-width: 100%;
  min-height: 100%;
  display: grid;
  place-items: center;
  box-sizing: border-box;
}
.ks-board {
  display: grid;
  justify-content: center;
  gap: var(--ks-board-gap, 8px);
  padding: var(--ks-board-padding, 18px);
  width: max-content;
  max-width: none;
  box-sizing: border-box;
  transform-origin: center center;
  will-change: transform;
  user-select: none;
}
.ks-cell {
  appearance: none;
  border: 0;
  background: transparent;
  color: #252525;
  font-family: "M PLUS Rounded 1c", "Zen Maru Gothic", "Kosugi Maru", "Hiragino Maru Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  font-size: var(--ks-font-size, 48px);
  line-height: 1;
  width: var(--ks-cell-size, 58px);
  height: var(--ks-cell-size, 58px);
  display: grid;
  place-items: center;
  cursor: pointer;
  padding: 0;
  text-align: center;
  overflow: hidden;
  border-radius: 6px;
  transition: background .16s ease, color .16s ease, transform .16s ease;
}
.ks-cell:hover {
  background: rgba(255,255,255,.64);
}
.ks-cell:focus-visible {
  outline: 3px solid var(--ks-accent);
  outline-offset: 2px;
}
.ks-cell.is-wrong {
  animation: ks-wrong .22s linear 2;
}
.ks-cell.is-muted {
  background: linear-gradient(135deg, rgba(120,126,123,.28), rgba(120,126,123,.18));
  color: transparent;
  box-shadow: inset 0 0 0 1px rgba(120,126,123,.18);
  cursor: default;
  pointer-events: none;
}
.ks-cell.is-found {
  color: var(--ks-accent);
  text-shadow: 0 2px 0 #fff;
  position: relative;
  animation: ks-found .34s ease-out both;
}
.ks-cell.is-found::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: max(3px, calc(var(--ks-cell-size, 58px) * .08)) solid #ff3266;
  border-radius: 50%;
  pointer-events: none;
  box-shadow: 0 0 0 3px rgba(255,255,255,.82), 0 8px 18px rgba(255,50,102,.22);
  animation: ks-correct-ring .38s ease-out both;
}
.ks-toast {
  position: absolute;
  left: 50%;
  top: 18px;
  transform: translateX(-50%);
  background: var(--ks-leaf-dark);
  color: #fff;
  border: 3px solid #fff;
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 900;
  opacity: 0;
  pointer-events: none;
}
.ks-toast.is-show {
  animation: ks-toast .85s ease-out both;
}
.ks-result {
  display: none;
  padding: clamp(20px, 5vw, 46px);
  text-align: center;
}
.ks-result.is-active {
  display: grid;
  gap: 16px;
}
.ks-score-big {
  font-size: clamp(44px, 10vw, 96px);
  line-height: 1;
  font-weight: 900;
  color: var(--ks-accent);
  text-shadow: 0 4px 0 #fff, 0 6px 0 rgba(50,66,55,.12);
}
.ks-result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.ks-result-box {
  border: 2px solid #ffd2e8;
  border-radius: 8px;
  background: #fff;
  padding: 12px;
}
.ks-result-box span {
  display: block;
  font-size: 13px;
  font-weight: 900;
  color: var(--ks-leaf-dark);
}
.ks-result-box strong {
  display: block;
  font-size: 28px;
}
.ks-result-code,
.ks-history-stats {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  gap: 10px;
  border: 2px solid #ffd2e8;
  border-radius: 8px;
  background: rgba(255,255,255,.9);
  padding: 10px 12px;
}
.ks-result-code span,
.ks-history-stats span {
  color: var(--ks-leaf-dark);
  font-size: 13px;
  font-weight: 900;
}
.ks-result-code strong,
.ks-code-row strong {
  display: block;
  min-width: 0;
  border-radius: 8px;
  background: #fff8fc;
  color: #7b3d5b;
  padding: 8px 10px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 16px;
  letter-spacing: .04em;
  word-break: break-all;
}
.ks-ranking-modal {
  position: fixed;
  inset: 0;
  z-index: 2147483646 !important;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(48,58,52,.58);
  backdrop-filter: blur(3px);
  padding: 14px;
  touch-action: auto;
}
.ks-ranking-modal.is-open {
  display: flex;
}
.ks-ranking-card {
  width: min(720px, 100%);
  max-height: min(88vh, 720px);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(255,248,252,.98)),
    var(--ks-title-bg) center / cover no-repeat,
    #fff;
  border: 2px solid rgba(255,210,232,.95);
  border-radius: 8px;
  box-shadow: 0 22px 48px rgba(50,66,55,.26), 0 5px 0 rgba(243,90,164,.24);
}
.ks-history-card {
  width: min(760px, 100%);
}
.ks-ranking-head {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  text-align: center;
  background:
    radial-gradient(circle at 12% 0%, rgba(255,227,109,.9), rgba(255,227,109,0) 34%),
    linear-gradient(90deg, #f35aa4, #ff78bb);
  color: #fff;
}
.ks-ranking-head > div {
  min-width: 0;
}
.ks-ranking-head h2 {
  margin: 0;
  padding: 0 !important;
  border: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  color: #fff !important;
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: 0 2px 0 rgba(158,48,103,.22);
}
.ks-ranking-head p {
  margin: 6px 0 0;
  color: rgba(255,255,255,.88);
  font-size: 12px;
  font-weight: 900;
  text-align: center;
}
.ks-close {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 38px;
  height: 38px;
  border: 2px solid rgba(255,255,255,.72);
  border-radius: 999px;
  background: rgba(255,255,255,.16);
  color: #fff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.18);
}
.ks-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin: 16px 18px 0;
  padding: 4px;
  border: 1px solid #ffd2e8;
  border-radius: 8px;
  background: rgba(255,255,255,.82);
}
.ks-level-tabs {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  padding: 12px 18px 0;
}
.ks-tab,
.ks-level-tab {
  display: inline-grid;
  place-items: center;
  text-align: center;
  border: 1px solid #ffd2e8;
  border-radius: 8px;
  background: rgba(255,255,255,.88);
  color: var(--ks-accent);
  padding: 10px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 2px 0 rgba(255,210,232,.78);
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease, background .12s ease;
}
.ks-level-tab {
  padding: 9px 5px;
  color: var(--ks-leaf-dark);
  border-color: rgba(216,243,223,.95);
  background: rgba(255,255,255,.78);
}
.ks-tab.is-active,
.ks-level-tab.is-active {
  background: linear-gradient(180deg, #fff2a2, var(--ks-gold));
  color: #6a5200;
  border-color: #f1c400;
  box-shadow: 0 3px 0 #e0b900, 0 0 0 3px rgba(255,227,109,.22) inset;
}
.ks-tab:hover,
.ks-level-tab:hover {
  transform: translateY(-1px);
}
.ks-ranking-list {
  display: grid;
  gap: 10px;
  padding: 16px 18px 20px;
}
.ks-history-stats {
  grid-template-columns: 160px 1fr;
  margin: 16px 18px 0;
  box-shadow: 0 8px 20px rgba(243,90,164,.10);
}
.ks-history-stats > div {
  min-width: 0;
}
.ks-history-stats > div:first-child strong {
  display: block;
  color: var(--ks-accent);
  font-size: 26px;
  line-height: 1.1;
}
.ks-code-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px;
}
.ks-history-list {
  display: grid;
  gap: 10px;
  padding: 16px 18px 20px;
}
.ks-history-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(255,210,232,.95);
  border-radius: 8px;
  background: rgba(255,255,255,.88);
  padding: 11px 12px;
  box-shadow: 0 8px 20px rgba(243,90,164,.10);
}
.ks-history-row.is-best {
  border-color: #f1c400;
  box-shadow: 0 0 0 3px rgba(255,227,109,.22) inset, 0 8px 20px rgba(243,90,164,.10);
}
.ks-history-main strong {
  display: block;
  color: #2f4638;
  font-size: 24px;
  line-height: 1;
}
.ks-history-main span,
.ks-history-main em {
  display: block;
  margin-top: 5px;
  color: #8d5671;
  font-size: 12px;
  font-weight: 900;
  font-style: normal;
}
.ks-history-main em {
  font-family: Consolas, "Courier New", monospace;
  word-break: break-all;
}
.ks-ranking-period {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(243,90,164,.38);
  border-radius: 999px;
  background: rgba(255,255,255,.88);
  color: var(--ks-accent);
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(243,90,164,.12);
}
.ks-ranking-period span {
  display: inline-grid;
  place-items: center;
  min-width: 48px;
  min-height: 28px;
  border-radius: 999px;
  background: linear-gradient(180deg, #ff78bb, var(--ks-accent));
  color: #fff;
  box-shadow: 0 2px 0 rgba(157,42,94,.18);
}
.ks-ranking-period strong {
  color: #8d5671;
  font-size: 14px;
}
.ks-rank-row {
  display: grid;
  grid-template-columns: 58px 1fr auto;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(255,210,232,.95);
  border-radius: 8px;
  background: rgba(255,255,255,.88);
  padding: 11px 12px;
  box-shadow: 0 8px 20px rgba(243,90,164,.10);
}
.ks-rank-row.is-mine {
  border-color: var(--ks-accent);
  background: linear-gradient(180deg, #fff8fc, #fff);
  box-shadow: 0 0 0 3px rgba(243,90,164,.16) inset, 0 8px 20px rgba(243,90,164,.12);
}
.ks-rank-no {
  min-height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: linear-gradient(180deg, #fff2a2, var(--ks-gold));
  font-size: 18px;
  font-weight: 900;
  color: #7a5d00;
  box-shadow: 0 3px 0 #e0b900;
}
.ks-rank-main strong {
  display: block;
  color: #2f4638;
  font-size: 26px;
  line-height: 1;
}
.ks-rank-main span,
.ks-rank-date {
  font-size: 12px;
  font-weight: 900;
  color: #8d5671;
}
.ks-empty {
  border: 1px dashed rgba(243,90,164,.34);
  border-radius: 8px;
  background: rgba(255,255,255,.72);
  padding: 24px 18px;
  text-align: center;
  font-weight: 900;
  color: #8d6a79;
  box-shadow: inset 0 0 0 3px rgba(255,248,252,.72);
}
.ks-empty::before {
  content: "SCORE";
  display: block;
  width: max-content;
  margin: 0 auto 8px;
  border-radius: 999px;
  background: rgba(255,227,109,.72);
  color: #7a5d00;
  padding: 4px 12px;
  font-size: 11px;
  letter-spacing: 0;
}
@keyframes ks-wrong {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-3px); }
  75% { transform: translateX(3px); }
}
@keyframes ks-found {
  from { transform: scale(1); }
  to { transform: scale(1.45); }
}
@keyframes ks-correct-ring {
  from { opacity: 0; transform: scale(.72); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes ks-toast {
  0% { opacity: 0; transform: translate(-50%, -12px); }
  18%, 78% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, -8px); }
}
@media (max-width: 720px) {
  .kanji-game {
    padding: 10px 6px 32px;
  }
  .ks-panel {
    box-shadow: 0 10px 22px rgba(86,201,121,.16), 0 4px 0 rgba(243,90,164,.25);
  }
  .ks-level-select,
  .ks-rule-grid,
  .ks-result-grid {
    grid-template-columns: 1fr;
  }
  .ks-actions {
    gap: 14px 12px;
  }
  .ks-actions .ks-btn {
    min-width: 130px;
    padding-inline: 10px;
    font-size: 16px;
  }
  .ks-practice-levels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .ks-level-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .ks-mobile-break {
    display: block;
  }
  .ks-game-screen {
    gap: 6px;
  }
  .ks-hud {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
  }
  .ks-meter {
    padding: 6px 4px;
    min-width: 0;
  }
  .ks-meter span {
    font-size: 10px;
  }
  .ks-meter strong {
    font-size: clamp(18px, 5vw, 24px);
  }
  .ks-zoom-meter {
    display: none;
  }
  .ks-supports {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
  }
  .ks-support-btn {
    min-height: 42px;
    padding: 5px 4px;
    gap: 1px;
    box-shadow: 0 2px 0 #b9eec7, 0 6px 12px rgba(86,201,121,.1);
  }
  .ks-support-btn strong {
    font-size: 13px;
  }
  .ks-support-btn span {
    font-size: 10px;
    line-height: 1.25;
  }
  .ks-support-btn.has-reveal {
    gap: 5px;
    padding: 4px 5px;
    box-shadow: 0 2px 0 var(--ks-accent), 0 7px 14px rgba(243,90,164,.13);
  }
  .ks-support-btn.has-reveal strong {
    font-size: 11px;
  }
  .ks-support-btn.has-reveal span span {
    font-size: 9px;
  }
  .ks-support-btn em {
    width: 34px;
    height: 34px;
    font-size: 24px;
    box-shadow: inset 0 0 0 2px rgba(255,234,245,.85);
  }
  .ks-play-actions {
    margin-top: 0;
  }
  .ks-mini-btn {
    min-height: 30px;
    padding: 4px 10px;
    font-size: 12px;
    box-shadow: 0 2px 0 #ffd2e8;
  }
  .ks-level-tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding: 10px 12px 0;
    gap: 6px;
  }
  .ks-ranking-modal {
    padding: 10px;
  }
  .ks-ranking-card {
    max-height: 92svh;
  }
  .ks-ranking-head {
    padding: 14px 14px;
  }
  .ks-ranking-head h2 {
    font-size: 25px;
  }
  .ks-ranking-head p {
    font-size: 11px;
  }
  .ks-close {
    width: 34px;
    height: 34px;
    font-size: 25px;
  }
  .ks-tabs {
    margin: 12px 12px 0;
  }
  .ks-tab,
  .ks-level-tab {
    padding: 8px 5px;
  }
  .ks-ranking-list {
    padding: 14px 12px 16px;
  }
  .ks-ranking-period {
    gap: 8px;
    padding: 6px 10px;
  }
  .ks-ranking-period span {
    min-width: 44px;
    min-height: 26px;
  }
  .ks-ranking-period strong {
    font-size: 13px;
  }
  .ks-board-shell {
    height: clamp(320px, calc(100svh - 150px), 68vh);
    min-height: 0;
    border-width: 2px;
    touch-action: pan-y;
  }
  .ks-board-shell.is-zoomed {
    touch-action: none;
  }
  .ks-board {
    gap: var(--ks-board-gap, 6px);
    padding: var(--ks-board-padding, 12px);
  }
  .ks-cell {
    width: var(--ks-cell-size-mobile, var(--ks-cell-size, 48px));
    height: var(--ks-cell-size-mobile, var(--ks-cell-size, 48px));
    font-size: var(--ks-font-size-mobile, var(--ks-font-size, 40px));
  }
  .ks-rank-row {
    grid-template-columns: 48px 1fr;
    gap: 9px;
    padding: 9px;
  }
  .ks-rank-no {
    min-height: 38px;
    font-size: 15px;
  }
  .ks-rank-main strong {
    font-size: 22px;
  }
  .ks-rank-date {
    grid-column: 2;
  }
  .ks-result-code,
  .ks-history-stats,
  .ks-code-row {
    grid-template-columns: 1fr;
  }
  .ks-result-code strong,
  .ks-code-row strong {
    font-size: 13px;
  }
  .ks-history-stats {
    margin: 12px 12px 0;
  }
  .ks-history-list {
    padding: 14px 12px 16px;
  }
  .ks-history-row {
    grid-template-columns: 54px 1fr;
    gap: 9px;
    padding: 9px;
  }
  .ks-history-main strong {
    font-size: 21px;
  }
  .ks-history-row .ks-rank-date {
    grid-column: 2;
  }
}