/* チェッカー固有の見た目（共通は ../common/base.css） */
#board { user-select: none; -webkit-user-select: none; touch-action: manipulation; display: block; width: 100%; height: auto; }
.board-wrap { max-width: 600px; margin: 0 auto; position: relative; }

/* 盤の上の帯: 2人の名札と残りの駒の数。手番の人を濃く */
.score-tag .tag-bg { fill: var(--bg); stroke: var(--line); stroke-width: 2; }
.score-tag .tag-name { font: 700 22px var(--font); fill: var(--ink); }
.score-tag .tag-count { font: 800 32px var(--font); fill: var(--ink); font-variant-numeric: tabular-nums; }
.score-tag .tag-unit { font: 600 16px var(--font); fill: var(--ink-sub); }
.score-tag.on .tag-bg { fill: var(--surface); stroke: var(--accent); stroke-width: 5; }

/* 黒マス（使うマス）: 木目に赤茶を重ねて、白マスとはっきり分ける */
.coords text { font: 600 13px var(--font); fill: rgba(255, 244, 225, .85); }

/* 手番の人の色を盤のふちに（黒＝墨色／白＝白） */
.turn-frame { fill: none; stroke-width: 7; opacity: 0; pointer-events: none; transition: opacity var(--dur); }
.turn-frame.c0 { stroke: #1F2328; opacity: .9; }
.turn-frame.c1 { stroke: #FBF8F0; opacity: .95; }
.status .piece-dot { width: 22px; height: 22px; border-radius: 50%; flex: none; border: 2px solid var(--ink-sub); display: inline-block; vertical-align: -5px; margin-right: 6px; }
.status .piece-dot.c0 { background: #23252A; }
.status .piece-dot.c1 { background: #E8E1D2; }

/* 駒 */
.cpiece { pointer-events: none; }
.cpiece.up { filter: drop-shadow(0 6px 4px rgba(0,0,0,.3)); }
.cpiece.taken { opacity: .38; }

/* 印: 動かせる駒・選んだ駒・行き先・取れる駒・ヒント・キーボードの枠・直前の手・CPUの手 */
.mark { pointer-events: none; }
.mark.movable { fill: none; stroke: #8EC1FF; stroke-width: 4; }
.mark.sel { fill: none; stroke: #FFF8EA; stroke-width: 6; }
.mark.dest { fill: #2F5D8A; opacity: .85; stroke: #FFF8EA; stroke-width: 2.5; }
.mark.dest.cap { fill: #C8453B; }
.mark.target { fill: none; stroke: #C8453B; stroke-width: 4; stroke-dasharray: 8 5; }
.mark.hint { fill: none; stroke: #7FB2F0; stroke-width: 5; stroke-dasharray: 9 6; animation: hint 1.2s ease-in-out infinite; }
.mark.hintpath { fill: none; stroke: #7FB2F0; stroke-width: 4; stroke-dasharray: 6 6; stroke-linecap: round; }
@keyframes hint { 50% { opacity: .45; } }
.mark.cursor { fill: none; stroke: #FFD24A; stroke-width: 4; stroke-dasharray: 7 5; }
.mark.cpu { fill: rgba(255, 248, 234, .35); stroke: #FFF8EA; stroke-width: 5; }
.trail { fill: none; stroke: rgba(255, 236, 190, .8); stroke-width: 4; stroke-dasharray: 2 7; stroke-linecap: round; pointer-events: none; }
.last { fill: none; stroke: rgba(255, 236, 190, .9); stroke-width: 3; pointer-events: none; }
@media (prefers-reduced-motion: reduce) { .mark.hint { animation: none; } }
.hit { fill: transparent; cursor: pointer; }
#fx, #over { pointer-events: none; }

.board-wrap .callout { padding: 6px 18px; font-size: clamp(16px, 3.8vw, 22px); }
.stage { padding: 12px; }
@media (max-width: 560px) {
  .stage { margin-left: -8px; margin-right: -8px; } /* 盤だけ左右に広げる（ページの余白は共通の16px。D1） */
  .stage { padding: 6px; }
  .score-tag .tag-name { font-size: 25px; }
}

.result-box .score { font-size: 1.1rem; font-weight: 700; margin: 0 0 8px; }
.result-box { inset: 18% 8% auto; padding: 16px 20px; }
.result-box h2 { font-size: 1.4rem; margin-bottom: 6px; }
@media (max-width: 520px) { .result-box { inset: 12% 0 auto; } .result-box .controls .btn { padding: 0 12px; } }

.howto img { display: block; width: 100%; max-width: 460px; height: auto; margin: 0 auto; }
.howto figcaption { text-align: center; }
/* 上のバーの高さを一定に（No.93。数字は一番長い文が画面の幅（360px・375px 以上・641px 以上）で何行になるか。--tb-rt はふりがなの分。base.css・turnbar.js） */
.turnbar { --tb-msg-lines: 2; --tb-st-lines: 1; --tb-rt: 0px; --tb-st-rt: 0px; }
@media (min-width: 375px) { .turnbar { --tb-msg-lines: 2; --tb-st-lines: 1; } }
@media (min-width: 641px) { .turnbar { --tb-msg-lines: 1; --tb-st-lines: 1; } }
:root:lang(en) .turnbar { --tb-msg-lines: 3; --tb-st-lines: 2; --tb-rt: 0px; --tb-st-rt: 0px; }
@media (min-width: 375px) { :root:lang(en) .turnbar { --tb-msg-lines: 3; --tb-st-lines: 2; } }
@media (min-width: 641px) { :root:lang(en) .turnbar { --tb-msg-lines: 2; --tb-st-lines: 1; } }
/* 上のバーの高さ ここまで */