:root {
  --ink: #1d2433;
  --ink-soft: #5d667a;
  --bg: #e8ebf2;
  --paper: #ffffff;
  --line: #d4d9e4;
  --primary: #24365e;
  --primary-dark: #141f3a;
  --night: #18223a;
  --night-2: #222f4f;
  --go: #ffd23f;
  --go-ink: #2a2200;
  --red: #e5484d;
  --blue: #3b7be0;
  --foul: #6b2b33;
  --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; }

/* 遊ぶ場所: 画面いっぱいの押す場所 */
.arena { position: relative; display: flex; flex-direction: column; height: calc(100svh - 60px); min-height: 400px; max-height: 760px; border-radius: 20px; background: var(--night); color: #fff; overflow: hidden; touch-action: none; cursor: pointer; outline: none; box-shadow: 0 10px 28px rgba(24, 34, 58, 0.3); }
/* 説明の文は <wbr> の位置でだけ折り返す（言葉の途中で折れないように。収まらないときだけ途中でも折る） */
.m-sub, .a-hint, .daily-par, .daily-note, .free-lbl, .howto, .clear-sub, .stats, .c-note { word-break: keep-all; overflow-wrap: anywhere; }
.a-top { display: flex; align-items: center; gap: 8px; padding: 10px 10px 0; }
.a-quit { flex: none; display: inline-flex; align-items: center; gap: 2px; padding: 7px 10px 7px 6px; border: 0; border-radius: 999px; background: rgba(255, 255, 255, 0.12); color: #fff; font: 900 13px/1 var(--font); cursor: pointer; }
.a-mode { flex: 1; min-width: 0; text-align: center; font-size: 12px; font-weight: 900; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; opacity: 0.9; }
.a-foul { flex: none; min-width: 64px; text-align: right; font-size: 12px; font-weight: 900; white-space: nowrap; opacity: 0.85; }
.pips { list-style: none; display: flex; justify-content: center; gap: 8px; margin: 10px 0 0; padding: 0; }
.pips li { min-width: 46px; padding: 2px 4px; border-radius: 8px; background: rgba(255, 255, 255, 0.1); text-align: center; font: 700 12px/1.6 var(--num); color: rgba(255, 255, 255, 0.55); }
.pips li.cur { box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.7); color: #fff; }
.pips li.ok { background: rgba(255, 255, 255, 0.22); color: #fff; }
.stage { position: relative; flex: 1; display: grid; place-items: center; }
.msg { position: relative; z-index: 2; text-align: center; padding: 0 16px; }
.m-big { font: 900 44px/1.2 var(--font); letter-spacing: 0.04em; white-space: nowrap; }
.m-big .ms { font: 700 64px/1.1 var(--num); font-variant-numeric: tabular-nums; }
.m-big .unit { font: 900 20px/1 var(--font); margin-left: 4px; }
.m-sub { margin-top: 8px; font-size: 15px; font-weight: 700; opacity: 0.9; }
.a-hint { margin: 0; padding: 0 12px 16px; text-align: center; font-size: 13px; font-weight: 700; opacity: 0.75; }

/* 合図の形（ふだんは隠す） */
.sig { position: absolute; left: 50%; top: 50%; width: min(70%, 300px); height: auto; transform: translate(-50%, -50%); display: none; z-index: 1; }
.sig-star { fill: var(--go); }
.sig-red { fill: var(--red); }
.sig-blue { fill: var(--blue); }

/* 待つあいだ */
.arena.s-wait .m-big { font-size: 34px; opacity: 0.85; }
/* 合図: 色が変わったら（画面全体が明るい黄色に変わり「押す」） */
.arena.m-color.s-go { background: var(--go); color: var(--go-ink); }
.arena.m-color.s-go .a-quit { background: rgba(0, 0, 0, 0.12); color: var(--go-ink); }
.arena.m-color.s-go .pips li { background: rgba(0, 0, 0, 0.1); color: rgba(0, 0, 0, 0.5); }
.arena.m-color.s-go .pips li.cur { box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.6); color: var(--go-ink); }
.arena.s-go .m-big { font-size: 64px; }
/* 合図: 星が出たら（色はそのまま、星と「押す」） */
.arena.m-shape.s-go .sig-star { display: block; }
.arena.m-shape.s-go .m-big { color: var(--go-ink); font-size: 40px; }
/* 合図: 赤い丸だけ押す（赤い丸と「押す」）。青い四角と「まて」は押さない */
.arena.m-gonogo.s-go .sig-red { display: block; }
.arena.m-gonogo.s-go .m-big { color: #fff; font-size: 48px; }
.arena.m-gonogo.s-decoy .sig-blue { display: block; }
.arena.m-gonogo.s-decoy .m-big { color: #fff; font-size: 48px; opacity: 1; }
/* おてつき */
.arena.s-foul { background: var(--foul); }
.arena.s-foul .m-big { font-size: 40px; }
/* 1回分の結果 */
.arena.s-hit { background: var(--night-2); }

/* タイトル・結果（遊ぶ場所を隠して全体を見せる） */
.play.menu .arena { 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(29, 36, 51, 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); white-space: nowrap; }
.daily-ill { display: flex; justify-content: center; gap: 10px; margin: 8px 0 4px; }
.daily-ill .ill { display: grid; place-items: center; width: 84px; height: 64px; border-radius: 12px; font: 900 15px/1 var(--font); position: relative; }
.daily-ill .ill svg { position: absolute; inset: 0; margin: auto; width: 46px; height: 46px; }
.daily-ill .ill span { position: relative; }
.daily-ill .i-wait { background: var(--night); color: rgba(255, 255, 255, 0.8); }
.daily-ill .i-go { background: var(--go); color: var(--go-ink); }
.daily-ill .i-night { background: var(--night); color: #fff; }
.daily-ill .i-cap { display: block; font-size: 11px; font-weight: 900; color: var(--ink-soft); margin-top: 3px; }
.daily-ill figure { margin: 0; }
.daily-par { font-size: 13px; font-weight: 700; color: var(--ink-soft); margin: 6px 0 0; }
.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); }
.howto .fb { color: #b13a42; }
.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; white-space: nowrap; }
.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; }

.clear-lbl { font-size: 13px; font-weight: 900; color: var(--primary-dark); }
.clear-moves { margin: 6px 0; white-space: nowrap; }
.clear-moves b { font: 700 56px/1 var(--num); font-variant-numeric: tabular-nums; }
.clear-moves span { font: 900 18px/1 var(--font); margin-left: 4px; }
.clear-moves .c-pre { margin: 0 6px 0 0; }
.clear-moves.miss b { color: var(--ink-soft); font-size: 40px; }
.clear-sub { margin: 0; font-size: 14px; font-weight: 700; }
.laps { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; margin: 10px 0 0; padding: 0; }
.laps li { padding: 4px 0; border-radius: 8px; background: var(--bg); font: 700 14px/1.3 var(--num); }
.laps li small { display: block; font: 900 10px/1.3 var(--font); color: var(--ink-soft); }
.laps li.top { background: #fff1c4; }
.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(29, 36, 51, 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) {
  .logo { font-size: 25px; }
  .daily-name { font-size: 21px; }
  .daily-ill .ill { width: 72px; }
  .pips { gap: 5px; }
  .pips li { min-width: 40px; font-size: 11px; }
  .m-big { font-size: 38px; }
  .m-big .ms { font-size: 56px; }
  .clear-moves b { font-size: 48px; }
  .laps li { font-size: 12px; }
  .btn.lv { font-size: 14px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }