:root {
  --ink: #1f2430;
  --ink-soft: #6a6f7c;
  --desk: #1f2a3a;
  --desk-2: #2a384c;
  --card: #ffffff;
  --rule: #e8e4ea;
  --red: #c94a3a;
  --mustard: #d9a441;
  --line: #d8dbe2;
  --font: "Zen Kaku Gothic New", system-ui, sans-serif;
  --story: "Shippori Mincho", "Zen Kaku Gothic New", serif;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--desk); color: #eef1f6; font-family: var(--font); font-weight: 500; line-height: 1.7; line-break: strict; }
[hidden] { display: none !important; }
.g-head { display: flex; align-items: center; gap: 10px; padding: 10px 16px; max-width: 540px; margin: 0 auto; font-size: 13px; font-weight: 900; }
.g-brand { color: #a8b0c0; text-decoration: none; }
.g-title { flex: 1; text-align: center; font-family: var(--story); white-space: nowrap; }
.g-head [data-mg-account] a { color: var(--mustard); text-decoration: none; }
main { max-width: 540px; margin: 0 auto; padding: 0 12px 24px; }

/* 事務所 */
.door { text-align: center; padding: 22px 16px 18px; border-radius: 16px; background: linear-gradient(var(--desk-2), #223044); border: 1px solid #3a4a62; }
.door-sub { margin: 0; font-size: 12px; color: #a8b0c0; }
.door-sub b { color: var(--mustard); }
.logo { margin: 4px 0; font: 800 34px/1.3 var(--story); letter-spacing: 0.12em; color: #fff; }
.desk-msg { margin: 12px 2px; font-size: 14px; color: #dfe4ee; text-align: center; }
.desk-msg b { font: 700 16px var(--font); color: var(--mustard); font-variant-numeric: tabular-nums; }
.cases { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.case { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 10px; width: 100%; padding: 12px 14px; border: 0; border-radius: 12px; background: var(--card); color: var(--ink); text-align: left; font-family: var(--font); cursor: pointer; background-image: linear-gradient(transparent 0 calc(100% - 3px), var(--red) calc(100% - 3px)); }
.case .no { font-size: 12px; font-weight: 900; color: var(--red); white-space: nowrap; }
.case b { font: 700 15px/1.45 var(--story); }
.case .state { font-size: 11px; font-weight: 900; color: var(--ink-soft); white-space: nowrap; }
.case.open .state { color: var(--red); }
.case.locked { background: #2a384c; color: #8a94a8; cursor: default; background-image: none; }
.case.locked .no { color: #8a94a8; }
.rank { font-size: 11px; font-weight: 900; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.r0 { background: var(--mustard); color: #3a2400; } .r1 { background: #dfe4ee; color: #2a384c; } .r2 { background: #eceff4; color: #6a6f7c; }
.panel { margin-top: 14px; display: grid; gap: 10px; }
.panel .mg-box { background: var(--desk-2); border-color: #3a4a62; color: #eef1f6; }

/* 事件 */
.c-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.back { flex: none; width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--desk-2); color: #fff; display: grid; place-items: center; cursor: pointer; }
.c-head > div { flex: 1; min-width: 0; }
.c-no { font-size: 11px; font-weight: 900; color: var(--mustard); }
.c-title { margin: 0; font: 800 18px/1.4 var(--story); text-wrap: balance; }
.c-found { flex: none; font-size: 11px; font-weight: 900; color: #a8b0c0; white-space: nowrap; }
.tabs { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; margin-bottom: 8px; }
.tabs button { padding: 10px 0; border: 0; border-radius: 10px; background: var(--desk-2); color: #a8b0c0; font: 900 13px/1.2 var(--font); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--mustard); color: #2a1a00; }
.card { background: var(--card); color: var(--ink); border-radius: 14px; padding: 16px 16px 18px; border-top: 4px solid var(--red); }
.pane p { margin: 0 0 1em; font: 500 15px/2 var(--story); }
.pane .from { font: 900 12px var(--font); color: var(--red); margin-bottom: 8px; }
.pane .next { font: 700 13px var(--font); color: var(--ink-soft); }
.list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.item { display: flex; align-items: center; justify-content: space-between; gap: 8px; width: 100%; padding: 12px 12px; border: 2px solid var(--line); border-radius: 12px; background: #fff; font-family: var(--font); color: var(--ink); cursor: pointer; text-align: left; }
.item b { font-size: 15px; }
.item span { font-size: 12px; font-weight: 900; color: var(--red); white-space: nowrap; }
.item.done span { color: var(--ink-soft); }
.item.on { border-color: var(--mustard); }
.pane .note { margin: 6px 4px 4px; font: 500 14px/1.95 var(--story); }
.talk { margin: 6px 2px 4px; }
.say { margin: 0 0 8px !important; padding: 8px 12px; border-radius: 12px; background: #f3f5f9; font: 500 14px/1.9 var(--story) !important; }
.say.react { background: #fff6e2; border: 1px solid #f0d49a; }
.lbl { margin: 0 0 6px !important; font: 900 11px var(--font) !important; color: var(--ink-soft); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.chip { padding: 7px 12px; border: 2px solid var(--line); border-radius: 999px; background: #fff; font: 900 12px/1.3 var(--font); color: var(--ink); cursor: pointer; }
.chip.used { color: var(--ink-soft); border-style: dashed; }
.clues { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.clues li { padding: 8px 12px; border-left: 4px solid var(--red); background: #fafbfc; }
.clues b { font-size: 14px; }
.clues p { margin: 2px 0 0 !important; font: 500 13px/1.7 var(--font) !important; color: var(--ink-soft); }
.qno { font: 900 12px var(--font) !important; color: var(--red); margin-bottom: 4px !important; }
.q { margin: 0 0 12px; font: 800 18px/1.6 var(--story); }
.answers { display: grid; gap: 8px; }
.ans { padding: 12px 14px; border: 2px solid var(--desk); border-radius: 12px; background: #fff; font: 700 14px/1.6 var(--font); color: var(--ink); text-align: left; cursor: pointer; }
.ans:active { background: #f3f5f9; }
.judge { margin: 12px 0 0 !important; font: 900 14px/1.7 var(--font) !important; }
.judge:empty { display: none; }
.judge.ng { color: var(--red); } .judge.hint { color: #8a6a1a; }
.hint-n { font: 700 12px var(--font) !important; color: var(--ink-soft); text-align: center; margin-top: 6px !important; }
.solved-box { text-align: center; margin-bottom: 12px; }
.stamp { display: inline-block; margin: 0 !important; padding: 2px 18px; border: 3px solid var(--red); border-radius: 8px; color: var(--red); font: 800 22px var(--story) !important; transform: rotate(-6deg); }
.rank-big { margin: 8px 0 0 !important; font: 800 28px var(--story) !important; }
.rank-big.r0 { background: none; color: #b07a10; } .rank-big.r1 { background: none; color: var(--desk); } .rank-big.r2 { background: none; color: var(--ink-soft); }

/* ボタン */
.btn { display: block; width: 100%; margin: 12px 0 0; padding: 13px 10px; border: 0; border-radius: 14px; font: 900 16px/1.2 var(--font); cursor: pointer; background: var(--desk-2); color: #fff; }
.btn.primary { background: var(--mustard); color: #2a1a00; box-shadow: 0 4px 0 #a87a20; }
.btn.ghost { background: transparent; border: 2px solid var(--line); color: var(--ink-soft); font-size: 13px; }
.dlg { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px; background: rgba(10, 14, 22, 0.65); }
.dlg-in { width: 100%; max-width: 380px; background: var(--card); color: var(--ink); border-radius: 18px; padding: 20px 18px 16px; text-align: center; }
.dlg h2 { margin: 0 0 10px; font: 800 22px var(--story); }
.dlg p { margin: 0 0 10px; font-size: 14px; text-align: left; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 60; width: max-content; max-width: calc(100% - 32px); padding: 10px 18px; border-radius: 14px; background: rgba(217, 164, 65, 0.97); color: #2a1a00; font-weight: 900; font-size: 14px; text-align: center; pointer-events: none; }

.guide { margin-top: 28px; background: var(--card); color: var(--ink); border-radius: 18px; padding: 22px 20px 12px; font-size: 15px; line-height: 1.85; }
.guide p { margin: 0 0 1em; }
.guide h2 { font-size: 19px; margin: 32px 0 12px; padding-left: 10px; border-left: 5px solid var(--red); line-height: 1.4; }
.guide h2:first-child { margin-top: 0; }
.guide h3 { font-size: 16px; margin: 22px 0 6px; line-height: 1.5; }
.guide .steps { list-style: none; padding: 0; margin: 0 0 1em; }
.guide .steps li { display: flex; align-items: baseline; gap: 6px; margin: 6px 0; }
.guide .steps .num { flex: none; font-weight: 900; color: var(--red); }
.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; }
.reset-row { text-align: center; margin-top: 16px !important; }
.reset-row .btn { display: inline-block; width: auto; padding: 8px 16px; font-size: 13px; }
.g-foot { max-width: 540px; margin: 0 auto; padding: 14px 16px 28px; font-size: 12px; text-align: center; }
.g-foot a { color: #a8b0c0; }