body { background: var(--color-ground); color: var(--color-ink); }

.tool-header {
  padding: 16px 5vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-ink);
  border-bottom: 4px solid var(--color-line);
  font-family: var(--font-pixel);
}
.tool-header .logo { color: var(--color-white); font-size: 1.05rem; }
.tool-header a.back { font-size: 0.8rem; color: var(--color-white); opacity: 0.85; }
.tool-header a.back:hover { opacity: 1; color: var(--color-accent); }

.tool-wrap { max-width: 620px; margin: 0 auto; padding: 50px 6vw 120px; }

.tool-tag {
  display: inline-block;
  font-family: var(--font-pixel);
  font-size: 0.7rem;
  color: var(--color-white);
  background: var(--color-accent-2);
  padding: 4px 10px;
  border: 2px solid var(--color-line);
  margin-bottom: 16px;
}
.tool-title { font-size: clamp(1.4rem, 4vw, 2rem); font-weight: 800; line-height: 1.5; }
.tool-lede { margin-top: 14px; font-size: 0.95rem; opacity: 0.85; }

/* ---------- キャラと吹き出し ---------- */
.measure-scene {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 18px;
}
.measure-sprite {
  width: clamp(64px, 10vw, 96px);
  height: auto;
  image-rendering: pixelated;
  filter: drop-shadow(0 6px 0 rgba(43, 38, 32, 0.2));
  animation: spriteFloat 2.6s ease-in-out infinite;
  flex-shrink: 0;
}
.measure-speech {
  position: relative;
  background: var(--color-white);
  border: 3px solid var(--color-line);
  padding: 10px 16px;
  font-family: var(--font-pixel);
  font-size: 0.85rem;
}
.measure-speech::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  transform: translateY(-50%);
  border: 7px solid transparent;
  border-right-color: var(--color-line);
}
.measure-speech::after {
  content: "";
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-right-color: var(--color-white);
}

.calc-box {
  margin-top: 20px;
  background: var(--color-white);
  border: 4px solid var(--color-line);
  box-shadow: 8px 8px 0 var(--color-line);
  padding: clamp(20px, 4vw, 36px);
}

/* ---------- 測定中の演出 ---------- */
.measuring {
  display: none;
  align-items: center;
  gap: 16px;
  margin-top: 20px;
  font-family: var(--font-pixel);
  font-size: 0.85rem;
}
.measuring.is-visible { display: flex; }
.measuring .bar-track {
  flex: 1;
  max-width: 220px;
  height: 14px;
  border: 2px solid var(--color-line);
  padding: 2px;
}
.measuring .bar-fill {
  height: 100%;
  width: 0%;
  background: var(--color-accent);
  animation: barFill 0.9s steps(20) forwards;
}
@keyframes barFill { to { width: 100%; } }

/* ---------- 結果発表の演出 ---------- */
.result-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 3px dashed var(--color-line);
}
.result-banner img {
  width: 64px;
  height: 64px;
  image-rendering: pixelated;
  animation: resultPop 0.5s ease;
}
.result-banner span {
  font-family: var(--font-pixel);
  font-size: 1rem;
  color: var(--color-accent-2);
}
@keyframes resultPop {
  0% { transform: scale(0.4); opacity: 0; }
  60% { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); }
}
.result-area.is-visible { animation: resultPop 0.4s ease; }

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--font-pixel); font-size: 0.75rem; }
.field input, .field select {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 10px 12px;
  border: 3px solid var(--color-line);
  background: var(--color-ground);
  color: var(--color-ink);
}
.field input:focus, .field select:focus { outline: 3px solid var(--color-accent); outline-offset: 0; }

.gender-toggle { display: flex; gap: 10px; }
.gender-toggle label {
  flex: 1;
  text-align: center;
  font-family: var(--font-pixel);
  font-size: 0.8rem;
  padding: 10px;
  border: 3px solid var(--color-line);
  background: var(--color-ground);
  cursor: pointer;
}
.gender-toggle input { display: none; }
.gender-toggle input:checked + span { display: block; }
.gender-toggle label:has(input:checked) { background: var(--color-accent); }

.calc-btn {
  display: block;
  width: 100%;
  margin-top: 8px;
  font-family: var(--font-pixel);
  background: var(--color-accent-2);
  color: var(--color-white);
  border: 4px solid var(--color-line);
  box-shadow: 6px 6px 0 var(--color-line);
  padding: 14px;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.15s;
}
.calc-btn:hover { transform: translate(3px, 3px); box-shadow: 3px 3px 0 var(--color-line); }
.calc-btn:active { transform: translate(6px, 6px); box-shadow: none; }

.result-area { margin-top: 28px; display: none; }
.result-area.is-visible { display: block; }

.result-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 2px dashed var(--color-line);
}
.result-row:last-child { border-bottom: none; }
.result-row .k { font-family: var(--font-pixel); font-size: 0.82rem; }
.result-row .v { font-weight: 800; font-size: 1.15rem; }
.result-row .v .unit { font-size: 0.75rem; font-weight: 400; margin-left: 3px; }

.result-highlight {
  margin-top: 18px;
  background: var(--color-ground);
  border-left: 4px solid var(--color-accent-2);
  padding: 16px 18px;
  font-size: 0.92rem;
}
.result-highlight strong { font-size: 1.3rem; color: var(--color-accent-2); }

.disclaimer {
  margin-top: 24px;
  font-size: 0.8rem;
  opacity: 0.7;
  line-height: 1.7;
}

@media (max-width: 500px) {
  .field-row { grid-template-columns: 1fr; }
}