/* Kanji Builder（ゲーム）のページ。サイトの style.css のあとに読む。色と字はサイトと同じ（--ink・--pink・--gen・--cream など）。
   3D の部品の色（緑・ベージュ・青・オレンジ）は data/puzzles.json の colors */
.kb{max-width:1240px;margin:0 auto;padding:10px 12px 6px}
.kb [lang=ja]{font-family:"Zen Maru Gothic",var(--font)}
.kb button{font-family:var(--font)}
.kb button:focus-visible,.kb a:focus-visible,.kb summary:focus-visible{outline:3px solid var(--gen);outline-offset:2px}
.kb [hidden]{display:none!important}

/* 上の帯 */
.kb-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.kb-back{display:inline-flex;align-items:center;gap:4px;min-height:44px;padding:0 14px 0 8px;border-radius:999px;background:#fff;border:1.5px solid var(--line);font-weight:800;font-size:14px;text-decoration:none}
.kb-back svg{width:20px;height:20px;fill:currentColor}
.kb-title{flex:1;margin:0;font-family:"Zen Maru Gothic",var(--font);font-weight:900;font-size:22px;line-height:1.2}
.kb-title span{color:var(--pink);font-family:var(--font);font-size:.7em;font-weight:800;margin-left:2px;vertical-align:2px}
.kb-modes{display:inline-flex;background:#fff;border:1.5px solid var(--line);border-radius:999px;padding:3px}
.kb-mode{min-height:40px;padding:0 18px;border:0;border-radius:999px;background:none;color:var(--ink-soft);font-weight:800;font-size:14px;cursor:pointer}
.kb-mode[aria-pressed="true"]{background:var(--gen);color:#fff}

/* 並び：スマホは縦に1列、PC は 3D の右に説明 */
.kb-layout{display:grid;gap:14px;grid-template-columns:minmax(0,1fr)}
@media (min-width:900px){.kb-layout{grid-template-columns:minmax(0,1fr) 340px;align-items:start}}

/* 3D の画面 */
.kb-stage{position:relative;container-type:size;height:min(64vh,620px);min-height:340px;border-radius:22px;overflow:hidden;background:var(--cream);box-shadow:var(--shadow),inset 0 0 0 1.5px var(--line);-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}
@supports (height:100dvh){.kb-stage{height:min(62dvh,620px)}}
@media (min-width:900px){.kb-stage,.kb-stage{height:min(calc(100vh - 200px),720px);min-height:480px}}
#kb-canvas{display:block;width:100%;height:100%;touch-action:none;outline:none;cursor:default}
#kb-canvas:focus-visible{outline:4px solid var(--gen);outline-offset:-4px}

.kb-goal{position:absolute;top:10px;left:10px;right:118px;max-width:430px;margin:0;padding:8px 12px 9px;border-radius:16px;background:rgba(255,251,243,.93);box-shadow:0 2px 10px rgba(59,42,32,.12);pointer-events:none}
.kb-goal p{margin:0}
.kb-goal-k{color:var(--pink);font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.kb-goal-t{font-weight:900;font-size:16px;line-height:1.3}
.kb-goal-h{color:var(--ink-soft);font-size:13px;font-weight:700;line-height:1.35}

.kb-view{position:absolute;top:10px;right:10px;display:inline-flex;background:rgba(255,255,255,.95);border-radius:999px;padding:3px;box-shadow:0 2px 8px rgba(59,42,32,.14)}
.kb-view button{min-width:46px;min-height:40px;padding:0 10px;border:0;border-radius:999px;background:none;font-weight:800;font-size:13px;color:var(--ink-soft);cursor:pointer}
.kb-view button[aria-pressed="true"]{background:var(--ink);color:#fff}

.kb-toast{position:absolute;left:10px;right:10px;top:var(--hud,60px);max-width:520px;margin:0 auto;padding:9px 14px;border-radius:14px;border-left:6px solid var(--gen);background:#fff;color:var(--ink);font-weight:800;font-size:14px;line-height:1.4;box-shadow:0 4px 14px rgba(59,42,32,.16);opacity:0;transform:translateY(-6px);transition:opacity .2s,transform .2s;pointer-events:none}
.kb-toast.kb-show{opacity:1;transform:none}
.kb-toast[data-tone="good"]{border-left-color:#5E9A5A}
.kb-toast[data-tone="bad"]{border-left-color:#D84545}

.kb-win,.kb-preview-bar{position:absolute;left:12px;right:12px;bottom:12px;max-width:460px;margin:0 auto;padding:12px 14px 14px;border-radius:18px;background:#fff;text-align:center;box-shadow:0 6px 22px rgba(59,42,32,.2);animation:kb-pop .35s ease-out both}
.kb-win p,.kb-preview-bar p{margin:0 0 8px}
.kb-win .kb-row,.kb-preview-bar .kb-row{justify-content:center}
.kb-win-k{font-weight:900;font-size:20px}
.kb-win-k [lang=ja]{font-size:30px;margin-right:6px;vertical-align:-3px}
.kb-win-s{color:var(--ink-soft);font-weight:700}
.kb-preview-bar p{font-weight:800;font-size:14px;line-height:1.4}
/* 横長の画面では皿が右にあるので、できたときのカードは皿の上に（組み上がった字に重ねない） */
@container (min-aspect-ratio:23/20){.kb-win{left:auto;right:12px;width:min(330px,40%)}}
@keyframes kb-pop{from{opacity:0;transform:translateY(12px) scale(.97)}to{opacity:1;transform:none}}

.kb-cover{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:20px;text-align:center;background:rgba(251,245,236,.96);font-weight:800}
.kb-cover p{margin:0 0 6px;max-width:420px}
.kb-error{color:var(--ink)}

/* 選んだ部品の道具 */
.kb-tools{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin-top:10px;padding:10px 12px;border-radius:18px;background:#fff;box-shadow:var(--shadow)}
.kb-sel{flex:1 1 100%;margin:0;font-weight:800;font-size:14px}
.kb-sel [lang=ja]{font-size:18px;margin:0 2px}
.kb-tool-row{display:flex;flex-wrap:wrap;gap:6px}
.kb-tool{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 12px;border:1.5px solid var(--line);border-radius:12px;background:var(--cream);color:var(--ink);font-weight:800;font-size:13px;cursor:pointer}
.kb-tool svg{width:20px;height:20px;fill:currentColor;flex:none}
.kb-tool:not(:disabled):hover{border-color:var(--ink)}
.kb-tool:disabled{opacity:.42;cursor:default}
.kb[data-mode="puzzle"] .kb-creative-only,.kb[data-mode="creative"] .kb-puzzle-only{display:none}
.kb-colors{display:flex;flex-wrap:wrap;gap:7px}
.kb-swatch{width:38px;height:38px;border:3px solid #fff;border-radius:50%;background:var(--c);box-shadow:0 0 0 1.5px var(--line);cursor:pointer}
.kb-swatch:disabled{opacity:.4;cursor:default}
.kb-swatch[aria-pressed="true"]{box-shadow:0 0 0 3px var(--ink)}
.kb-place{display:flex;flex-wrap:wrap;align-items:center;gap:6px;flex:1 1 100%}
@media (max-width:520px){
  .kb{padding:8px 10px 6px}
  .kb-top{gap:8px;flex-wrap:nowrap}
  .kb-back{padding:0 10px 0 6px}
  .kb-title{font-size:18px;white-space:nowrap}
  .kb-mode{padding:0 13px;font-size:13px}
  .kb-tool{gap:4px;padding:0 8px;font-size:12px}
  .kb-tool svg{width:18px;height:18px}
  .kb-swatch{width:34px;height:34px}
}
@media (max-width:420px){.kb-back span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.kb-back{padding:0 10px}}

/* 横の説明 */
.kb-side,.kb-panel{display:flex;flex-direction:column;gap:12px}
.kb-card{background:#fff;border-radius:18px;padding:14px 16px;box-shadow:var(--shadow)}
.kb-card h2{margin:0 0 6px;font-size:18px}
.kb-card h3{margin:12px 0 6px;font-size:15px;font-weight:800}
.kb-card h3:first-child{margin-top:0}
.kb-card p{margin:0 0 8px;color:var(--ink-soft)}
.kb-card p:last-child{margin-bottom:0}
.kb-small{font-size:12.5px;color:var(--ink-soft)}
.kb-kicker{margin:0 0 2px!important;color:var(--pink)!important;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.kb-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.kb-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border:0;border-radius:999px;background:var(--pink);color:#fff;font-weight:800;font-size:14px;cursor:pointer;box-shadow:0 2px 0 #B83D60;text-decoration:none}
.kb-btn:active{transform:translateY(1px);box-shadow:none}
.kb-btn-sub{background:var(--cream);color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line)}
.kb-btn-s{min-height:40px;padding:0 14px;font-size:13px}
.kb-btn:disabled{opacity:.5;cursor:default;transform:none}

.kb-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.kb-step{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-height:64px;padding:6px 4px;border:1.5px solid var(--line);border-radius:14px;background:var(--cream);color:var(--ink-soft);font-weight:800;font-size:12px;cursor:pointer}
.kb-step-k{color:var(--ink);font-size:22px;font-weight:900;line-height:1.1}
.kb-step[aria-current="step"]{border-color:var(--gen);background:#E7ECF5}
.kb-check{position:absolute;top:5px;right:6px;width:18px;height:18px;border-radius:50%;background:#5E9A5A}
.kb-check:after{content:"";position:absolute;left:6px;top:3px;width:4px;height:8px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.kb-score{margin:10px 0 0!important;color:var(--ink)!important;font-weight:800}
.kb-score b{color:var(--pink);font-size:18px}

.kb-parts,.kb-onboard{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:8px}
.kb-onboard{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}
.kb-part{display:flex;align-items:center;gap:8px;width:100%;min-height:52px;padding:6px 10px 6px 6px;border:1.5px solid var(--line);border-radius:14px;background:var(--cream);color:var(--ink);text-align:left;font-weight:700;font-size:13px;cursor:pointer}
.kb-part:hover{border-color:var(--ink)}
.kb-part[aria-pressed="true"]{border-color:var(--pink);box-shadow:0 0 0 2px var(--pink)}
.kb-part.kb-flag{border-color:#E5904A;box-shadow:0 0 0 2px #E5904A}
.kb-part.kb-placed{opacity:.55;cursor:default}
.kb-glyph{flex:none;display:flex;align-items:center;justify-content:center;width:40px;height:40px;padding:3px;border-radius:10px;background:#fff;color:var(--c)}
.kb-glyph svg{width:100%;height:100%}
.kb-pname{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.kb-pname [lang=ja]{font-size:18px;font-weight:900}
.kb-pname span:not([lang]){font-size:12px;color:var(--ink-soft)}
.kb-pname .kb-tag{color:#4F8A4B;font-weight:800}
.kb-part-s{min-height:46px}

.kb-result{border:2px solid #CFE3CB}
.kb-result:focus{outline:none}
.kb-res-head{display:flex;align-items:center;gap:14px;margin:4px 0 10px}
.kb-res-head p{margin:0}
.kb-res-k{flex:none;padding:8px 14px;border-radius:16px;background:var(--tile);color:var(--ink);font-weight:900;font-size:60px;line-height:1}
.kb-res-m{color:var(--ink)!important;font-size:20px;font-weight:900}
.kb-reads{list-style:none;display:grid;gap:4px;margin:0 0 8px;padding:0}
.kb-reads li{padding:6px 10px;border-radius:10px;background:var(--cream);font-weight:700}
.kb-lab{margin-right:6px;color:var(--ink-soft);font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}
.kb-rom{color:var(--ink-soft);font-size:12.5px;font-weight:800;letter-spacing:.08em}
.kb-kata{color:var(--ink-soft);font-size:.88em}
.kb-tip{padding:8px 10px;border-radius:12px;background:#EEF5EB;color:var(--ink)!important}
.kb-origin{font-size:13px}
.kb-links a{display:inline-block;margin:0 12px 4px 0;color:var(--gen);font-weight:800}
.kb-match{min-height:1.4em;color:var(--ink)!important;font-weight:700}
.kb-help summary{cursor:pointer;font-weight:800}
.kb-help ul{margin:8px 0;padding-left:20px;color:var(--ink-soft)}
.kb-help li{margin-bottom:4px}
.kb-note{margin:0;font-size:12.5px;color:var(--ink-soft)}

/* 漢字と部品の一覧（ゲームの下） */
.kb-list{margin:16px 0 0;padding:12px 16px;border-radius:18px;background:#fff;box-shadow:var(--shadow)}
.kb-list summary{cursor:pointer;font-weight:900;font-size:16px}
.kb-list h3{margin:14px 0 6px;font-size:15px}
.kb-list p{margin:0 0 6px;color:var(--ink-soft)}
.kb-list-kanji{list-style:none;display:grid;gap:10px;margin:10px 0 0;padding:0}
@media (min-width:900px){.kb-list-kanji{grid-template-columns:repeat(3,1fr)}}
.kb-list-kanji>li{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:14px;background:var(--cream)}
.kb-list-k{flex:none;padding:4px 10px;border-radius:12px;background:#fff;font-weight:900;font-size:44px;line-height:1.1}
.kb-list-m{color:var(--ink)!important;font-weight:900;font-size:17px}
.kb-list-parts{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.kb-list-parts li{padding:4px 10px;border-radius:10px;background:var(--cream);font-size:13px}
.kb-list-parts [lang=ja]{font-weight:900}
.kb-list .kb-reads li{background:#fff}
.kb-list-links a{margin-right:10px;color:var(--gen);font-weight:800}
.kb-credit{max-width:760px;margin:14px auto 0;color:var(--ink-soft);font-size:12.5px;line-height:1.6;text-align:center}

/* 背の低い横向きの画面（スマホを横にしたとき）：3D を画面の高さに合わせ、上の説明は1行、通知は右上 */
@media (max-height:520px) and (orientation:landscape){
  .kb-top{margin-bottom:6px}
  .kb-stage,.kb-stage{height:calc(100vh - 70px);min-height:280px}
  @supports (height:100dvh){.kb-stage,.kb-stage{height:calc(100dvh - 70px)}}
  .kb-goal{right:auto;max-width:44%;padding:5px 10px 6px}
  .kb-goal-t{font-size:14px}
  .kb-goal-h{display:none}
  .kb-toast{left:auto;right:10px;top:58px;max-width:44%;padding:6px 10px;font-size:12.5px}
  .kb-win{padding:8px 10px 10px}
  .kb-win p{margin-bottom:4px}
  .kb-win-k{font-size:16px}
  .kb-win-k [lang=ja]{font-size:22px}
  .kb-win-s{font-size:13px}
}

/* サムネイルを撮るとき（?shot=1）：3D の画面だけ */
.kb-shot .kb-stage{position:fixed;inset:0;z-index:50;height:auto;min-height:0;border-radius:0;box-shadow:none}
.kb-shot .kb-goal,.kb-shot .kb-toast,.kb-shot .kb-view,.kb-shot .kb-win{display:none!important}

@media (prefers-reduced-motion:reduce){
  .kb *{animation:none!important;transition:none!important}
}