:root {
  --ink: #26213a;
  --ink-soft: #686283;
  --bg: #eeebf5;
  --paper: #ffffff;
  --line: #dad5e8;
  --primary: #5a46b8;
  --primary-dark: #3b2d82;
  --night: #2b2350;
  --night-2: #3a3068;
  --glass: rgba(255, 255, 255, 0.14);
  --glass-line: rgba(255, 255, 255, 0.55);
  --gold: #f2c14e;
  --font: "Zen Kaku Gothic New", system-ui, sans-serif;
  --num: "Martian Mono", ui-monospace, "Zen Kaku Gothic New", monospace;
  /* 玉の色（番号順）。しるしの色は明るい玉だけ濃くする */
  --c0: #e5484d; --c1: #f2892b; --c2: #f4cd36; --c3: #3aa856; --c4: #46c8d8;
  --c5: #3b6ee0; --c6: #8b5ad6; --c7: #f28cc0; --c8: #8a5a3c;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); font-weight: 500; line-height: 1.7; line-break: strict; }
.hidden { display: none !important; }
.nw { white-space: nowrap; }

.g-head { display: flex; align-items: center; gap: 10px; padding: 10px 16px; max-width: 520px; margin: 0 auto; font-size: 13px; font-weight: 900; }
.g-brand { color: var(--ink-soft); text-decoration: none; }
.g-title { flex: 1; text-align: center; }
.g-head [data-mg-account] a { color: var(--primary-dark); text-decoration: none; }

main { max-width: 520px; margin: 0 auto; padding: 0 12px 24px; }
.play { position: relative; user-select: none; -webkit-user-select: none; }

.bar { display: grid; grid-template-columns: 1.25fr 1fr 0.9fr; gap: 6px; margin-bottom: 8px; }
.box { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 5px 6px; text-align: center; min-width: 0; }
.lbl { font-size: 11px; font-weight: 900; color: var(--ink-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.val { font: 700 20px/1.25 var(--num); font-variant-numeric: tabular-nums; white-space: nowrap; }
.val small { font-size: 13px; color: var(--ink-soft); }
.box.over .val #count { color: #c2412d; }

/* 盤（びんと玉は game.js が位置を計算して置く） */
.board { position: relative; background: radial-gradient(120% 90% at 50% 0%, var(--night-2), var(--night)); border-radius: 18px; box-shadow: 0 10px 28px rgba(43, 35, 80, 0.3); touch-action: manipulation; overflow: hidden; }
.tube { position: absolute; border: 2.5px solid var(--glass-line); border-top: 0; border-radius: 0 0 999px 999px; background: var(--glass); cursor: pointer; transition: box-shadow 0.2s, border-color 0.2s, background 0.2s; }
.tube::before { content: ""; position: absolute; left: -6px; right: -6px; top: -3px; height: 5px; border-radius: 4px; background: var(--glass-line); }
.tube.sel { border-color: #fff; background: rgba(255, 255, 255, 0.24); }
.tube.ok { box-shadow: 0 0 0 3px rgba(255, 231, 140, 0.85), 0 0 18px rgba(255, 231, 140, 0.55); border-color: #ffe78c; }
.tube.done { border-color: #ffe78c; background: rgba(255, 231, 140, 0.16); }
.tube.done::before { background: #ffe78c; }
.tube.shake { animation: shake 0.32s; }
@keyframes shake { 25% { transform: translateX(-5px); } 75% { transform: translateX(5px); } }
.tube.pop { animation: tubepop 0.6s ease-out; }
@keyframes tubepop { 30% { transform: scale(1.08); box-shadow: 0 0 0 4px #ffe78c, 0 0 34px rgba(255, 231, 140, 0.9); } }

.ball { position: absolute; left: 0; top: 0; border-radius: 50%; pointer-events: none; transition: transform 0.2s cubic-bezier(.3, .7, .3, 1); will-change: transform; }
.ball .in { position: absolute; inset: 0; border-radius: 50%; display: grid; place-items: center; box-shadow: inset -3px -4px 0 rgba(0, 0, 0, 0.16), inset 3px 3px 0 rgba(255, 255, 255, 0.28); }
.ball svg { width: 62%; height: 62%; fill: rgba(255, 255, 255, 0.92); }
.ball.k0 .in { background: var(--c0); } .ball.k1 .in { background: var(--c1); } .ball.k2 .in { background: var(--c2); }
.ball.k3 .in { background: var(--c3); } .ball.k4 .in { background: var(--c4); } .ball.k5 .in { background: var(--c5); }
.ball.k6 .in { background: var(--c6); } .ball.k7 .in { background: var(--c7); } .ball.k8 .in { background: var(--c8); }
.ball.k2 svg, .ball.k4 svg, .ball.k7 svg { fill: rgba(40, 30, 70, 0.72); }
.ball.land .in { animation: land 0.38s ease-out; }
@keyframes land { 30% { transform: scale(1.24, 0.78) translateY(3px); } 65% { transform: scale(0.94, 1.08); } }
.ball.bump .in { animation: bump 0.3s ease-out; }
@keyframes bump { 40% { transform: scale(1.1, 0.88) translateY(2px); } }
.ball.glow .in { animation: glow 0.7s ease-out; }
@keyframes glow { 35% { transform: scale(1.22); box-shadow: 0 0 0 3px #fff, 0 0 20px #ffe78c; } }
.board.win .ball .in { animation: hop 0.6s ease-out both; animation-delay: var(--d, 0s); }
@keyframes hop { 40% { transform: translateY(-14px) scale(1.08); } }

/* そろった数の飛び出す字（そろうたびに大きくなる） */
.burst { position: absolute; z-index: 5; transform: translate(-50%, 0); pointer-events: none; font: 900 15px/1 var(--font); color: #ffe78c; white-space: nowrap; text-shadow: 0 2px 0 rgba(0, 0, 0, 0.35); animation: burst 1s ease-out forwards; }
@keyframes burst { 0% { opacity: 0; transform: translate(-50%, 8px) scale(calc(var(--s, 1) * 0.6)); } 25% { opacity: 1; transform: translate(-50%, -4px) scale(var(--s, 1)); } 100% { opacity: 0; transform: translate(-50%, -26px) scale(var(--s, 1)); } }

@media (prefers-reduced-motion: reduce) {
  .ball { transition: none; }
  .ball.land .in, .ball.bump .in, .ball.glow .in, .board.win .ball .in, .tube.pop, .tube.shake { animation: none; }
  .burst { animation: fade 1s forwards; }
  @keyframes fade { 0%, 70% { opacity: 1; } 100% { opacity: 0; } }
}

.msg { margin: 8px 0 0; min-height: 1.7em; font-size: 13px; font-weight: 700; color: var(--ink-soft); text-align: center; }
.msg.warn { color: #b0402d; }
.tools { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 6px; margin-top: 6px; }
.tools .tool { flex-direction: column; justify-content: center; gap: 3px; padding: 8px 2px; font-size: 12px; white-space: nowrap; min-height: 52px; }
.tool { display: inline-flex; align-items: center; gap: 4px; padding: 9px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink); font: 900 13px/1 var(--font); cursor: pointer; }
.tool:disabled { opacity: 0.35; cursor: default; }
#b-undo:not(:disabled) { border-color: var(--primary); color: var(--primary-dark); }

/* タイトル・結果（盤を隠して全体を見せる） */
.play.menu .bar, .play.menu .board, .play.menu .msg, .play.menu .tools { display: none; }
.card-ui { width: 100%; max-width: 420px; margin: 0 auto; background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 20px 16px 16px; text-align: center; box-shadow: 0 10px 30px rgba(38, 33, 58, 0.1); }
.logo { margin: 0; font: 900 28px/1.3 var(--font); letter-spacing: 0.04em; white-space: nowrap; }
.day { margin: 2px 0 12px; font-size: 13px; color: var(--ink-soft); font-weight: 900; }
.daily-box { border: 2px solid var(--primary); border-radius: 16px; padding: 12px; margin-bottom: 10px; }
.daily-lbl { font-size: 11px; font-weight: 900; color: var(--ink-soft); letter-spacing: 0.1em; }
.daily-name { font: 900 24px/1.4 var(--font); color: var(--primary-dark); }
.daily-par { font-size: 13px; font-weight: 900; color: var(--ink-soft); margin-top: 2px; }
.daily-note { margin: 4px 0 8px; font-size: 12px; color: var(--ink-soft); }
.done { font-size: 14px; font-weight: 900; margin-top: 6px; }
.free-lbl { font-size: 12px; font-weight: 900; color: var(--ink-soft); margin: 6px 0 4px; }
.free-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.howto { list-style: none; margin: 12px 0 0; padding: 10px 12px; background: var(--bg); border-radius: 12px; text-align: left; font-size: 13px; font-weight: 700; }
.howto li { display: flex; align-items: baseline; gap: 6px; padding: 3px 0; }
.howto .num { flex: none; font-weight: 900; color: var(--primary); }
.stats { font-size: 12px; color: var(--ink-soft); font-weight: 700; margin: 10px 0 0; }

.btn { display: block; width: 100%; margin: 8px 0; padding: 13px 10px; border: 0; border-radius: 14px; font: 900 16px/1.2 var(--font); cursor: pointer; background: var(--bg); color: var(--ink); }
.btn small { display: block; font-size: 11px; font-weight: 700; color: var(--ink-soft); margin-top: 3px; }
.btn.primary { background: var(--primary); color: #fff; box-shadow: 0 4px 0 var(--primary-dark); }
.btn.primary:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--primary-dark); }
.btn.lv { margin: 0; font-size: 15px; padding: 10px 2px; }
.btn.sub { font-size: 14px; }
.btn.ghost { background: transparent; border: 2px solid var(--line); color: var(--ink-soft); font-size: 14px; }
.btn.x { background: #000; color: #fff; display: flex; align-items: center; justify-content: center; gap: 8px; }
.btn:disabled { opacity: 0.5; cursor: default; }

.clear-lbl { font-size: 13px; font-weight: 900; color: var(--primary-dark); }
.clear-moves { margin: 6px 0; }
.clear-moves b { font: 700 60px/1 var(--num); font-variant-numeric: tabular-nums; }
.clear-moves span { font: 900 18px/1 var(--font); margin-left: 4px; }
.clear-sub { margin: 0; font-size: 14px; font-weight: 700; }
.gap { margin: 10px auto 0; max-width: 300px; }
.gap-row { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 900; color: var(--ink-soft); margin: 4px 0; }
.gap-row .g-l { flex: none; width: 3.6em; text-align: right; white-space: nowrap; }
.gap-best { font-size: 12px; font-weight: 700; color: var(--ink-soft); margin-top: 2px; }
.gap-row .g-bar { flex: 1; height: 10px; border-radius: 6px; background: var(--bg); overflow: hidden; }
.gap-row .g-bar i { display: block; height: 100%; border-radius: 6px; background: var(--primary); }
.gap-row.par .g-bar i { background: var(--gold); }
.gap-row .g-n { flex: none; width: 3.2em; text-align: left; font-family: var(--num); }
.gap-msg { font-size: 13px; font-weight: 900; color: var(--primary-dark); margin-top: 4px; }
/* 星 */
.star { width: 20px; height: 20px; fill: #dcd6ea; }
.star.on { fill: var(--gold); }
.c-stars { display: flex; justify-content: center; gap: 6px; margin: 4px 0 6px; }
.c-stars .star { width: 38px; height: 38px; }
.c-stars .star.on { filter: drop-shadow(0 2px 0 #c8962b); }
/* ステージの一覧 */
.stages-h { margin: 0 0 10px; font: 900 22px/1.3 var(--font); }
.tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.tab { padding: 8px 2px; border: 2px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink); font: 900 15px/1.2 var(--font); cursor: pointer; }
.tab small { display: block; font-size: 11px; font-weight: 700; color: var(--ink-soft); margin-top: 2px; }
.tab.on { border-color: var(--primary); background: var(--primary); color: #fff; }
.tab.on small { color: #e4defa; }
.stage-sum { margin: 10px 0 8px; font-size: 13px; font-weight: 900; color: var(--ink-soft); }
.stage-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(50px, 1fr)); gap: 6px; }
.stage { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 6px 0 5px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink); cursor: pointer; font-family: var(--font); }
.stage b { font: 700 15px/1.1 var(--num); }
.stage .st { display: flex; gap: 0; height: 12px; }
.stage .star { width: 12px; height: 12px; }
.stage.clear { background: #f4f0ff; border-color: #c9bdf0; }
.stage.perfect { background: #fff6dd; border-color: #ecc55f; }
.stage:disabled { opacity: 0.45; cursor: default; }
.stage .lock { width: 12px; height: 12px; fill: none; stroke: var(--ink-soft); stroke-width: 2.4; }
.stage-note { margin: 10px 0 0; font-size: 12px; color: var(--ink-soft); text-align: left; }
.best { display: block; width: max-content; margin: 8px auto 0; padding: 2px 12px; border-radius: 999px; background: var(--gold); font-weight: 900; font-size: 13px; }
.rank { margin: 12px 0; padding: 8px; background: var(--bg); border-radius: 14px; }
.rank-lbl { font-size: 11px; font-weight: 900; color: var(--ink-soft); }
.rank-name { font: 900 22px/1.4 var(--font); }
.c-note { margin: 8px 0; padding: 8px 10px; border-radius: 12px; background: #fff6dd; font-size: 13px; font-weight: 700; text-align: left; }
.share { margin: 8px 0; }

.toast { position: absolute; left: 50%; top: 30%; transform: translate(-50%, -50%); z-index: 40; max-width: calc(100% - 24px); padding: 10px 18px; border-radius: 16px; background: rgba(38, 33, 58, 0.92); color: #fff; font-weight: 900; font-size: 14px; text-align: center; pointer-events: none; }

/* 下の解説（ポータルと同じ決まり: 行間 1.85・段落の間は1行分・見出しは前を広く後ろを狭く） */
.guide { margin-top: 28px; background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 22px 20px 12px; font-size: 15px; line-height: 1.85; }
.guide p { margin: 0 0 1em; }
.guide h2 { font: 900 19px/1.4 var(--font); margin: 32px 0 12px; padding-left: 10px; border-left: 5px solid var(--primary); }
.guide h2:first-child { margin-top: 0; }
.guide h3 { font-size: 16px; margin: 22px 0 6px; line-height: 1.5; }
.guide ul { padding-left: 1.3em; margin: 0 0 1em; }
.guide li { margin: 6px 0; }
.guide .steps { list-style: none; padding: 0; }
.guide .steps li { display: flex; align-items: baseline; gap: 6px; }
.guide .steps .num { flex: none; font-weight: 900; color: var(--primary); }
.guide details { border-top: 1px solid var(--line); padding: 12px 0; }
.guide details p { margin: 8px 0 4px; }
.guide summary { font-weight: 900; cursor: pointer; }
.guide a { color: var(--primary-dark); }
.g-foot { max-width: 520px; margin: 0 auto; padding: 14px 16px 28px; font-size: 12px; text-align: center; }
.g-foot a { color: var(--ink-soft); }

.card-ui .mg-box { background: var(--bg); border-color: transparent; }
@media (max-width: 360px) {
  main { padding: 0 8px 24px; }
  .val { font-size: 18px; }
  .val small { font-size: 12px; }
  .logo { font-size: 25px; }
}