:root {
  --bg: #f6f2ea;
  --surface: #fffdf8;
  --ink: #1c1a18;
  --muted: #625c53;
  --hair: #d8d0c2;
  --accent: #c1272d;
  --ai: #27416b;
  --r-ctl: 3px;
  --r-box: 2px;
  --ui: "BIZ UDPGothic", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", sans-serif;
  --display: "Shippori Antique B1", "BIZ UDPGothic", serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.7 var(--ui); min-height: 100dvh; }
::selection { background: var(--accent); color: var(--surface); }
a { color: inherit; }
main, .bar, .foot { max-width: 480px; margin: 0 auto; padding: 0 16px; }

.bar { display: flex; justify-content: space-between; align-items: center; height: 48px; font-size: 13px; color: var(--muted); border-bottom: 1px solid var(--hair); }
.home { text-decoration: none; font-weight: 700; }
.home::before { content: "← "; }

.masthead { display: flex; align-items: flex-end; justify-content: space-between; margin: 20px 0 0; padding-bottom: 8px; border-bottom: 3px double var(--accent); }
.title { font: 400 32px/1.15 var(--display); letter-spacing: .05em; margin: 0; }
.seal { width: 30px; height: 30px; background: var(--accent); color: var(--bg); font: 400 21px/30px var(--display); text-align: center; border-radius: 2px; transform: rotate(-4deg); margin-bottom: 4px; }
.lede { margin: 10px 0 12px; color: var(--muted); font-size: 14px; min-height: 1.7em; }

.sheet-wrap { position: relative; margin: 0 auto; max-width: 360px; }
#sheet { display: block; width: 100%; height: auto; touch-action: manipulation; user-select: none; -webkit-user-select: none; -webkit-tap-highlight-color: transparent; }
#sheet .paper { fill: var(--surface); stroke: var(--hair); stroke-width: 1; }
body.blind #sheet { cursor: crosshair; }
#sheet .feel { fill: none; stroke: var(--muted); stroke-width: 1.2; animation: feel 600ms ease-out forwards; }
@keyframes feel { from { r: 4; opacity: .7; } to { r: 22; opacity: 0; } }
#sheet.unveil { animation: unveil 700ms ease-out; }
@keyframes unveil { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* 豆絞りの手ぬぐい */
.blindfold {
  position: absolute; left: -6px; right: -6px; top: 18px; height: 54px;
  background-color: #fbf9f3;
  background-image: radial-gradient(circle, var(--ai) 0 3px, transparent 3.5px), radial-gradient(circle, var(--ai) 0 3px, transparent 3.5px);
  background-size: 18px 18px; background-position: 0 0, 9px 9px;
  border-top: 1px solid #e6dfd1; border-bottom: 1px solid #e6dfd1;
  transform: rotate(-2deg);
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}
.blindfold span { background: #fbf9f3; padding: 2px 10px; font: 700 13px var(--ui); color: var(--ai); letter-spacing: .1em; }
.countdown {
  position: absolute; inset: auto 0 14px 0; margin: 0; text-align: center;
  font: 400 22px var(--display); color: var(--accent); letter-spacing: .08em; pointer-events: none;
}

.panel { margin: 16px 0 0; }
.choices { display: flex; gap: 10px; margin: 10px 0 0; }
.btn { flex: 1; min-height: 48px; padding: 0 14px; border-radius: var(--r-ctl); cursor: pointer; font: 700 15px var(--ui); color: var(--ink); background: transparent; border: 1px solid #b9ae9c; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fffdf8; }
.btn.quiet { border-color: var(--hair); color: var(--muted); font-weight: 400; font-size: 14px; }
.btn.wide { width: 100%; flex: none; display: block; }
.btn.big { min-height: 56px; font: 400 24px var(--display); letter-spacing: .2em; }
.btn:active { transform: translateY(1px); }
.small { font-size: 13px; color: var(--muted); margin: 10px 0 0; }

.relay-hello { margin: 0 0 10px; font-size: 14px; }
.name { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; }
.name span { font: 700 13px var(--ui); background: var(--ink); color: var(--bg); padding: 4px 8px; border-radius: 2px; }
.name input { flex: 1; min-height: 44px; padding: 0 12px; font: 16px var(--ui); color: var(--ink); background: var(--surface); border: 1px solid #b9ae9c; border-radius: var(--r-ctl); }
.name input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.tray { margin: 12px 0 0; padding: 10px 0 0; border-top: 1px solid var(--hair); text-align: center; }
.tray-label { margin: 0; font-size: 14px; color: var(--muted); }
.tray-label b { font: 400 22px var(--display); color: var(--ink); letter-spacing: .06em; }
#tray-part { width: 140px; height: 94px; display: block; margin: 4px auto 0; }
.tray .small { margin-top: 2px; }

#handoff h2 { font: 400 24px var(--display); margin: 0; letter-spacing: .04em; }

.result { margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--hair); }
.like { margin: 0; display: flex; align-items: baseline; gap: 4px; color: var(--accent); }
.like b { font: 400 64px/1 var(--display); }
.like span { font: 700 22px var(--ui); }
.like small { margin-left: 10px; font-size: 13px; color: var(--muted); }
.result h2 { font: 400 28px/1.3 var(--display); margin: 6px 0 0; letter-spacing: .06em; }
.credits { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 14px; font-size: 13px; color: var(--muted); }
.credits:empty { display: none; }
.credits .tag { display: inline-block; background: var(--surface); border: 1px solid var(--hair); color: var(--ink); padding: 0 6px; margin-right: 5px; border-radius: 2px; font-weight: 700; }
.counts { font-size: 13px; margin: 16px 0 0; padding: 10px 12px; background: var(--surface); border: 1px solid var(--hair); border-radius: var(--r-box); }
.foot { margin-top: 36px; padding-top: 12px; padding-bottom: 28px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--hair); }
@media (prefers-reduced-motion: reduce) { #sheet .feel, #sheet.unveil { animation: none; } }