:root {
  --bg: #f4f5fb;
  --card: #ffffff;
  --ink: #1b2430;
  --ink2: #5a6578;
  --line: #e3e6f0;
  --accent: #4f46e5;
  --accent-ink: #ffffff;
  --track: #e8eaf6;
  --good: #15803d;
  --bad: #b91c1c;
  --warn-bg: #fef3c7;
  --warn-ink: #92400e;
  --tile: #eef0ff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10141f;
    --card: #1a2030;
    --ink: #e8ecf4;
    --ink2: #9aa4b8;
    --line: #2a3245;
    --accent: #8b85ff;
    --accent-ink: #10141f;
    --track: #262e42;
    --good: #4ade80;
    --bad: #f87171;
    --warn-bg: #3a3320;
    --warn-ink: #fbbf24;
    --tile: #20283c;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.65;
}
main { max-width: 720px; margin: 0 auto; padding: 12px 16px 48px; }
.top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--card);
}
.brand { font-weight: 800; font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.nav { display: flex; gap: 10px; align-items: center; }
.who { color: var(--ink2); font-size: .9rem; }
h1 { font-size: 1.3rem; } h2 { font-size: 1.1rem; margin: 0 0 10px; } h3 { font-size: 1rem; margin: 14px 0 6px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 16px; margin: 14px 0;
}
.card.narrow { max-width: 420px; margin: 24px auto; }
.card.center { text-align: center; }
.card.done { text-align: center; border-color: var(--accent); }
.big-emoji { font-size: 2.2rem; margin: 0; }
.muted { color: var(--ink2); font-size: .9rem; }
.link { color: var(--accent); }
a { color: var(--accent); }
.flash { border-radius: 10px; padding: 8px 12px; font-size: .95rem; }
.flash.good { background: color-mix(in srgb, var(--good) 12%, var(--card)); color: var(--good); }
.flash.bad { background: color-mix(in srgb, var(--bad) 12%, var(--card)); color: var(--bad); }

.titleline { margin: 12px 2px 4px; display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }
.lvl-wrap { display: flex; align-items: center; gap: 8px; color: var(--ink2); font-size: .9rem; }
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 10px 0; }
.tile { background: var(--tile); border-radius: 12px; padding: 10px 8px; text-align: center; }
.tile .k { font-size: .75rem; color: var(--ink2); }
.tile .v { font-size: 1.3rem; font-weight: 800; }
.tile .v small { font-size: .7rem; font-weight: 400; color: var(--ink2); }
.bigv { font-size: 2rem; font-weight: 800; margin: 6px 0; }
.bigv small { font-size: 1rem; color: var(--ink2); }

.quest { padding-left: 20px; margin: 8px 0; }
.quest li { margin: 2px 0; }
.badge {
  display: inline-block; font-size: .7rem; padding: 1px 8px; border-radius: 999px;
  background: var(--track); color: var(--ink2); vertical-align: middle;
}
.badge.warn { background: var(--warn-bg); color: var(--warn-ink); }

.btn {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  border: none; border-radius: 12px; padding: 10px 18px; font-size: 1rem;
  font-weight: 700; text-decoration: none; cursor: pointer; text-align: center;
}
.btn.big { display: block; width: 100%; padding: 14px; font-size: 1.05rem; margin-top: 12px; }
.btn.alt { background: var(--tile); color: var(--ink); font-weight: 600; font-size: .9rem; }
.btn.slim { padding: 4px 10px; font-size: .85rem; }
.ghost { background: none; border: 1px solid var(--line); border-radius: 10px; color: var(--ink2); padding: 4px 10px; cursor: pointer; }
.row2 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin: 12px 0; }
.inline { display: inline-flex; gap: 6px; }
.inlinecheck { margin-right: 12px; }

form label { display: block; margin: 10px 0 4px; font-size: .92rem; color: var(--ink2); }
.input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg); color: var(--ink); font-size: 1rem;
}
.input.slim { padding: 5px 8px; font-size: .9rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.noterow { display: flex; gap: 8px; margin-top: 10px; }
.noterow .input { flex: 1; }

.choice {
  display: block; border: 1px solid var(--line); border-radius: 12px;
  padding: 12px; margin: 8px 0; cursor: pointer; color: var(--ink); font-size: 1rem;
}
.choice:has(input:checked) { border-color: var(--accent); background: var(--tile); }
.question, .explain { white-space: pre-wrap; margin: 10px 0; }
.question { font-size: 1.05rem; font-weight: 600; }
.summary-text { font-size: .97rem; }
.crumb { color: var(--ink2); font-size: .85rem; margin: 0 0 4px; }
.verdict { font-size: 1.2rem; font-weight: 800; }
.verdict.good { color: var(--good); }
.verdict.bad { color: var(--bad); }
.verdict.lucky { color: var(--accent); }

.unit-row { margin: 10px 0; }
.unit-name { font-size: .9rem; }
.unit-meta { font-size: .8rem; color: var(--ink2); }
.bar {
  display: block; height: 8px; background: var(--track); border-radius: 999px;
  overflow: hidden; margin: 4px 0;
}
.bar.lvl { display: inline-block; width: 90px; height: 6px; vertical-align: middle; }
.bar .fill { display: block; height: 100%; background: var(--accent); border-radius: 999px; }

.event { padding: 8px 0; border-bottom: 1px dashed var(--line); font-size: .95rem; }
.event:last-child { border-bottom: none; }
.chips { margin-top: 4px; }
.chip {
  display: inline-block; background: var(--tile); border-radius: 999px;
  padding: 2px 10px; font-size: .8rem; margin: 2px 4px 2px 0;
}

table.plain { width: 100%; border-collapse: collapse; font-size: .92rem; }
table.plain th { text-align: left; color: var(--ink2); font-weight: 600; }
table.plain td, table.plain th { padding: 6px 8px; border-bottom: 1px solid var(--line); }

.capsule { font-size: 4rem; margin: 10px 0; }
.capsule.dim { filter: grayscale(.8); opacity: .6; }
.capsule.pop { animation: pop .6s cubic-bezier(.2, 2.2, .4, 1) both; }
.prize { font-size: 1.3rem; }
@keyframes pop {
  0% { transform: scale(.2) rotate(-20deg); opacity: 0; }
  60% { transform: scale(1.25) rotate(8deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); }
}
details summary { cursor: pointer; color: var(--accent); font-weight: 600; margin: 6px 0; }
.keybox {
  font-family: ui-monospace, monospace; background: var(--tile); border-radius: 10px;
  padding: 10px; word-break: break-all; font-size: 1.05rem; letter-spacing: 1px;
}
code.wrap { word-break: break-all; font-size: .8rem; }
.readtext { font-size: 1.1rem; line-height: 1.9; }

@media (max-width: 480px) {
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .row2 { grid-template-columns: 1fr 1fr; }
  .grid2 { grid-template-columns: 1fr; }
}