:root {
  --ink: #2a2620;
  --ink-soft: #6b6255;
  --bg: #efe9dc;
  --paper: #ffffff;
  --line: #ddd3c0;
  --primary: #2f6b5e;
  --primary-dark: #1e4a40;
  --felt: #2f6b5e;
  --felt-dark: #245549;
  --tile: #fffaf0;
  --tile-edge: #d8c7a4;
  --tile-edge2: #b9a37a;
  --wood: #8a5a3b;
  --wood-dark: #6a4229;
  --slot: #5c3820;
  --warn: #f2a33a;
  --danger: #e0533d;
  --gold: #f2c14e;
  --font: "Zen Kaku Gothic New", system-ui, sans-serif;
  --num: "Martian Mono", ui-monospace, "Zen Kaku Gothic New", monospace;
}
* { 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: 1.4fr 1fr 1fr; gap: 6px; margin-bottom: 8px; }
.val.peak-hi { color: var(--danger); }
.box { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 4px 8px; 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: 900 13px/1 var(--font); color: var(--ink-soft); margin-left: 2px; }

/* 山（フェルトの上に牌を重ねる） */
.field { position: relative; z-index: 0; isolation: isolate; background: radial-gradient(ellipse at 50% 40%, #367a6b, var(--felt-dark)); border-radius: 18px; box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.25); overflow: hidden; touch-action: manipulation; }
.pile { position: absolute; left: 0; top: 0; }
.tile { position: absolute; padding: 0; border: 0; background: none; cursor: pointer; border-radius: 18%; }
.tile .face { position: absolute; inset: 0; border-radius: 18%; background: linear-gradient(160deg, #fffdf6 0%, var(--tile) 60%, #f6ecd6 100%); box-shadow: var(--dz) var(--dz) 0 var(--tile-edge), var(--dz) var(--dz) 0 1px var(--tile-edge2), 0 3px 6px rgba(0, 0, 0, 0.28); display: grid; place-items: center; transition: filter 0.18s, transform 0.12s; }
.tile svg, .slot svg, .shelf svg { width: 76%; height: 76%; display: block; pointer-events: none; }
.tile.lock { cursor: default; }
/* 押せない牌: 絵が読めるくらいに暗くする（色はあまり落とさない） */
.tile.lock .face { filter: brightness(0.76) saturate(0.85); background: linear-gradient(160deg, #f1ebdc, #e6dcc6); }
.tile.gone { display: none; }
.tile:not(.lock):active .face { transform: translate(1px, 1px); }
.tile.nope .face { animation: nope 0.32s; }
@keyframes nope { 25% { transform: translateX(-3px); } 50% { transform: translateX(3px); } 75% { transform: translateX(-2px); } }
.tile.appear .face { animation: appear 0.35s ease-out; }
@keyframes appear { 0% { filter: brightness(0.76) saturate(0.85); } 60% { filter: brightness(1.15); } }

/* 置き場（3つ出した牌。いつでも押せる） */
.shelf { display: flex; justify-content: center; gap: 6px; margin-top: 8px; min-height: 48px; }
.shelf .s-tile { width: 44px; height: 48px; border: 0; padding: 0; border-radius: 9px; background: linear-gradient(160deg, #fffdf6, var(--tile)); box-shadow: 2px 3px 0 var(--tile-edge), 0 3px 6px rgba(0, 0, 0, 0.2); display: grid; place-items: center; cursor: pointer; }
.shelf-lbl { align-self: center; font-size: 11px; font-weight: 900; color: var(--ink-soft); margin-right: 4px; white-space: nowrap; }

/* 受け皿（7つ） */
.tray { position: relative; display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-top: 8px; padding: 6px; border-radius: 14px; background: linear-gradient(180deg, var(--wood), var(--wood-dark)); box-shadow: 0 4px 0 #4e2f1b, 0 8px 16px rgba(0, 0, 0, 0.2); transition: box-shadow 0.2s; }
.slot { position: relative; aspect-ratio: 0.9; border-radius: 9px; background: var(--slot); box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.45); }
.slot .s-tile { position: absolute; inset: 0; border-radius: 9px; background: linear-gradient(160deg, #fffdf6, var(--tile)); box-shadow: 0 2px 0 var(--tile-edge2); display: grid; place-items: center; }
.slot .s-tile.fly { transition: transform 0.17s cubic-bezier(0.2, 0.7, 0.3, 1); }
.slot .s-tile.pop { animation: pop 0.2s ease-in forwards; }
@keyframes pop { 0% { transform: scale(1); filter: brightness(1); } 45% { transform: scale(1.22); filter: brightness(1.3); } 100% { transform: scale(0.2); opacity: 0; } }
.tray.warn { box-shadow: 0 4px 0 #4e2f1b, 0 0 0 3px var(--warn), 0 8px 16px rgba(0, 0, 0, 0.2); }
.tray.danger { box-shadow: 0 4px 0 #4e2f1b, 0 0 0 3px var(--danger), 0 8px 16px rgba(0, 0, 0, 0.2); }
.tray.full { animation: shake 0.45s; box-shadow: 0 4px 0 #4e2f1b, 0 0 0 4px var(--danger), 0 8px 16px rgba(0, 0, 0, 0.2); }
.tray.danger .slot:not(:has(.s-tile)) { background: #7c2e1e; }
@keyframes shake { 20% { transform: translateX(-6px); } 40% { transform: translateX(6px); } 60% { transform: translateX(-4px); } 80% { transform: translateX(3px); } }

/* そろったときの文字（れんさが続くと大きくなる） */
.combo { position: absolute; left: 50%; z-index: 30; transform: translate(-50%, 0); pointer-events: none; font: 900 18px/1 var(--font); color: #fff; text-shadow: 0 2px 0 var(--wood-dark), 0 0 8px rgba(0, 0, 0, 0.35); white-space: nowrap; opacity: 0; }
.combo.show { animation: combo 0.8s ease-out; }
.combo.c2 { font-size: 24px; color: #ffe08a; }
.combo.c3 { font-size: 30px; color: #ffc45c; }
.combo.c4 { font-size: 36px; color: #ff9d5c; }
@keyframes combo { 0% { opacity: 0; transform: translate(-50%, 8px) scale(0.6); } 20% { opacity: 1; transform: translate(-50%, -6px) scale(1.15); } 70% { opacity: 1; transform: translate(-50%, -12px) scale(1); } 100% { opacity: 0; transform: translate(-50%, -26px) scale(1); } }

/* はじける粒 */
.fx { position: absolute; inset: 0; pointer-events: none; z-index: 25; overflow: visible; }
.spark { position: absolute; width: 8px; height: 8px; margin: -4px 0 0 -4px; border-radius: 50%; animation: spark 0.55s ease-out forwards; }
@keyframes spark { 0% { transform: translate(0, 0) scale(1); opacity: 1; } 100% { transform: translate(var(--dx), var(--dy)) scale(0.2); opacity: 0; } }
.confetti { position: absolute; width: 30px; height: 30px; margin: -15px 0 0 -15px; animation: conf 1.3s cubic-bezier(0.2, 0.6, 0.4, 1) forwards; }
.confetti svg { width: 100%; height: 100%; }
@keyframes conf { 0% { transform: translate(0, 0) scale(0.3) rotate(0); opacity: 1; } 70% { opacity: 1; } 100% { transform: translate(var(--dx), var(--dy)) scale(1) rotate(var(--rot)); opacity: 0; } }
.play.cleared .field { animation: glow 1.6s ease-out; }
/* クリア: 受け皿から光が広がり、大きな文字が出る */
.tray-light { position: absolute; width: 40px; height: 40px; margin: -20px 0 0 -20px; border-radius: 50%; background: radial-gradient(circle, rgba(255, 236, 160, 0.95), rgba(255, 214, 102, 0.5) 45%, rgba(255, 214, 102, 0) 70%); animation: light 1.4s ease-out forwards; }
@keyframes light { 0% { transform: scale(0.5); opacity: 1; } 100% { transform: scale(22); opacity: 0; } }
.clear-banner { position: absolute; left: 50%; top: 34%; transform: translate(-50%, -50%); z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 14px 22px; border-radius: 20px; background: rgba(255, 252, 240, 0.95); box-shadow: 0 0 0 4px var(--gold), 0 12px 30px rgba(0, 0, 0, 0.3); animation: banner 2.6s cubic-bezier(0.2, 0.8, 0.3, 1.2) forwards; white-space: nowrap; }
.clear-banner b { font: 900 30px/1.2 var(--font); color: var(--primary-dark); }
.clear-banner span { font: 900 14px/1.2 var(--font); color: var(--ink-soft); }
@keyframes banner { 0% { transform: translate(-50%, -50%) scale(0.3); opacity: 0; } 18% { transform: translate(-50%, -50%) scale(1.12); opacity: 1; } 28% { transform: translate(-50%, -50%) scale(1); } 85% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, -60%) scale(1); } }
.clear-big b.count { animation: tick 0.25s ease-out; }
@keyframes tick { 50% { transform: scale(1.12); color: var(--primary); } }
@keyframes glow { 30% { box-shadow: inset 0 0 0 4px var(--gold), 0 0 24px rgba(242, 193, 78, 0.7); } }
@media (prefers-reduced-motion: reduce) {
  .slot .s-tile.fly { transition: none; }
  .tray.full, .play.cleared .field, .tile.nope .face, .tile.appear .face { animation: none; }
  .spark, .confetti, .tray-light { display: none; }
  .clear-banner, .clear-big b.count { animation: none; }
  .combo.show { animation-duration: 1.2s; }
}

/* 道具 */
.tools { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-top: 12px; }
.tool { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; padding: 7px 2px 6px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink); font: 900 12px/1.2 var(--font); cursor: pointer; white-space: nowrap; min-width: 0; }
.tool .t-left { font-size: 10px; color: var(--ink-soft); font-weight: 700; min-height: 12px; }
.tool:disabled { opacity: 0.35; cursor: default; }
.tool.armed { background: #fff1d6; border-color: var(--warn); box-shadow: 0 0 0 2px var(--warn); }
.tool.armed .t-left { color: #a2600e; }
.kbd { margin: 8px 0 0; font-size: 12px; color: var(--ink-soft); text-align: center; min-height: 20px; }
.kbd.alert { color: var(--danger); font-weight: 900; }

/* タイトル・結果（山を隠して全体を見せる） */
.play.menu .bar, .play.menu .field, .play.menu .shelf, .play.menu .tray, .play.menu .tools, .play.menu .kbd { display: none; }
/* 行き詰まりの画面: 山と受け皿は見えたまま、下の道具の所にだけ出す */
.scr:not(#scr-title):not(#scr-stages):not(#scr-clear) { position: absolute; left: 0; right: 0; z-index: 35; }
.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(42, 38, 32, 0.12); }
.stuck-card { max-width: none; padding: 8px 10px 10px; border: 2px solid var(--danger); box-shadow: 0 -6px 20px rgba(42, 38, 32, 0.25); }
.stuck-ttl { font: 900 17px/1.4 var(--font); color: var(--danger); }
.stuck-txt { margin: 0 0 6px; font-size: 12px; font-weight: 700; color: var(--ink-soft); }
.stuck-row { display: flex; gap: 6px; }
.stuck-row .btn { flex: 1; margin: 0; padding: 11px 4px; font-size: 14px; white-space: nowrap; }
.logo { margin: 0; font: 900 27px/1.3 var(--font); letter-spacing: 0.03em; 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); }
.tip { margin: 0 0 6px; padding: 6px 8px; border-radius: 10px; background: #fff6dd; font-size: 12px; font-weight: 700; }
.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; white-space: nowrap; }
.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; }

/* 練習の一覧 */
.s-tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 4px; background: var(--bg); border-radius: 12px; }
.s-tabs button { border: 0; border-radius: 9px; padding: 8px 2px; background: transparent; font: 900 13px/1.2 var(--font); color: var(--ink-soft); cursor: pointer; white-space: nowrap; }
.s-tabs button.on { background: var(--paper); color: var(--primary-dark); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12); }
.s-title { margin: 12px 0 0; font: 900 20px/1.4 var(--font); }
.s-sum { margin: 0; font-size: 13px; font-weight: 700; color: var(--ink-soft); }
.s-note { margin: 4px 0 8px; font-size: 11px; color: var(--ink-soft); }
.s-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.st { border: 1px solid var(--line); border-radius: 10px; background: var(--paper); padding: 6px 0 4px; font: 700 15px/1.1 var(--num); color: var(--ink); cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 3px; }
.st.done { background: #eef5f1; border-color: #bcd6cb; }
.st.cur { box-shadow: 0 0 0 2px var(--primary); }
.stars { display: inline-flex; gap: 1px; }
.stars i { width: 10px; height: 10px; display: block; background: #d9d2c4; clip-path: polygon(50% 0, 63% 35%, 100% 38%, 71% 60%, 81% 100%, 50% 77%, 19% 100%, 29% 60%, 0 38%, 37% 35%); }
.stars i.on { background: #f2b51e; }
.c-stars { margin: 6px 0 0; display: flex; align-items: center; justify-content: center; gap: 8px; }
.c-stars .stars i { width: 30px; height: 30px; }
.c-stars .new { font-size: 12px; font-weight: 900; padding: 2px 8px; border-radius: 999px; background: var(--gold); white-space: nowrap; }

.clear-lbl { font-size: 13px; font-weight: 900; color: var(--primary-dark); }
.clear-big { margin: 6px 0 2px; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.clear-big span { font: 900 18px/1.2 var(--font); color: var(--primary-dark); white-space: nowrap; }
.clear-big b { font: 700 54px/1.05 var(--num); font-variant-numeric: tabular-nums; white-space: nowrap; }
.clear-big.miss span { color: var(--danger); }
.clear-big.miss b { color: var(--ink-soft); }
.clear-sub { margin: 0; font-size: 14px; font-weight: 700; }
.best { display: block; width: max-content; max-width: 100%; margin: 8px auto 0; padding: 2px 12px; border-radius: 999px; background: var(--gold); font-weight: 900; font-size: 13px; }
.gap { margin: 6px 0 0; font-size: 13px; font-weight: 900; color: var(--ink-soft); }
.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: 28%; transform: translate(-50%, -50%); z-index: 40; max-width: calc(100% - 24px); padding: 10px 18px; border-radius: 16px; background: rgba(42, 38, 32, 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) {
  .bar { grid-template-columns: 1.25fr 1fr 1fr; gap: 4px; }
  .box { padding: 4px 4px; }
  .lbl { font-size: 10px; }
  .val { font-size: 18px; }
  .tool { font-size: 11px; }
  .tray { gap: 3px; padding: 5px; }
  .clear-big b { font-size: 46px; }
  .logo { font-size: 24px; }
  .btn.lv { font-size: 14px; }
}