/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --pink:    #e8b4c8;
  --beige:   #d4b99a;
  --cream:   #fdf8f5;
  --brown:   #3d2c2c;
  --brown-l: #9b8080;
  --white:   #ffffff;
  --ease:    cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html, body {
  height: 100%;
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--cream);
  color: var(--brown);
}

/* === Background decor === */
.bg-decor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.bg-circle {
  position: absolute;
  border-radius: 50%;
  opacity: 0.13;
}
.bg-circle--1 {
  width: 520px; height: 520px;
  background: var(--pink);
  top: -160px; right: -120px;
}
.bg-circle--2 {
  width: 320px; height: 320px;
  background: var(--beige);
  bottom: -100px; left: -80px;
}
.bg-circle--3 {
  width: 180px; height: 180px;
  background: var(--pink);
  bottom: 120px; right: 60px;
}

/* === Quiz container === */
.quiz {
  position: fixed;
  inset: 0;
  z-index: 1;
  overflow: hidden;
}

/* === Steps === */
.step {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transform: translateY(24px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
}
.step.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.step.is-exit {
  opacity: 0;
  pointer-events: none;
  transform: translateY(-24px);
}

.step__inner {
  width: 100%;
  max-width: 460px;
  text-align: center;
}

/* === START screen === */
.eyebrow {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.8rem;
  letter-spacing: 0.35em;
  color: var(--brown-l);
  text-transform: uppercase;
  margin-bottom: 1.75rem;
}

.start-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 300;
  line-height: 1.55;
  margin-bottom: 1.5rem;
}
.start-title em {
  font-style: italic;
  color: #b87ea0;
}

.start-desc {
  font-size: 0.875rem;
  color: var(--brown-l);
  line-height: 1.9;
  margin-bottom: 2.5rem;
}

/* === Input === */
.input-wrap {
  margin-bottom: 2rem;
  text-align: left;
}
.input-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--brown-l);
  margin-bottom: 0.5rem;
}
.input-field {
  width: 100%;
  padding: 0.875rem 1.375rem;
  border: 1.5px solid #e0d0d0;
  border-radius: 50px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1rem;
  color: var(--brown);
  background: var(--white);
  outline: none;
  transition: border-color 0.2s;
}
.input-field:focus {
  border-color: var(--pink);
}
.input-field::placeholder {
  color: #c9b8b8;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 2.5rem;
  border: none;
  border-radius: 50px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.btn--primary {
  background: var(--brown);
  color: var(--white);
}
.btn--primary:hover {
  background: #5a4040;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(61, 44, 44, 0.22);
}
.btn-arrow {
  display: inline-block;
  transition: transform 0.25s var(--ease);
}
.btn:hover .btn-arrow {
  transform: translateX(5px);
}

/* === Progress === */
.progress {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.75rem;
}
.progress__bar {
  flex: 1;
  height: 2px;
  background: #ede0e0;
  border-radius: 2px;
  overflow: hidden;
}
.progress__fill {
  height: 100%;
  background: var(--pink);
  border-radius: 2px;
  transition: width 0.6s var(--ease);
}
.progress__num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.85rem;
  color: var(--brown-l);
  white-space: nowrap;
}

/* === Question === */
.q-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--brown-l);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.q-text {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.9rem, 6.5vw, 2.75rem);
  font-weight: 300;
  line-height: 1.4;
  margin-bottom: 2rem;
}

/* === Choices === */
.choices {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.choice {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.05rem 1.5rem;
  border: 1.5px solid #e0d0d0;
  border-radius: 50px;
  background: var(--white);
  cursor: pointer;
  text-align: left;
  transition: all 0.22s var(--ease);
}
.choice:hover {
  border-color: var(--pink);
  background: #fff5f8;
  transform: translateY(-2px);
  box-shadow: 0 5px 18px rgba(232, 180, 200, 0.3);
}
.choice__key {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--cream);
  border: 1px solid #e0d0d0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.95rem;
  color: var(--brown-l);
  flex-shrink: 0;
  transition: all 0.22s;
}
.choice:hover .choice__key {
  background: var(--pink);
  border-color: var(--pink);
  color: var(--white);
}
.choice__text {
  font-size: 0.95rem;
  color: var(--brown);
}

/* === Q2 カラースウォッチ === */
.choice__swatch {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 2px solid rgba(0,0,0,0.08);
  transition: transform 0.22s var(--ease);
}
.choice:hover .choice__swatch {
  transform: scale(1.15);
}

/* A: ブラウン・テラコッタ */
.choice__swatch--brown {
  background: linear-gradient(135deg, #E8C09A, #C9A87C, #8B6F47);
}
.choice--brown {
  border-color: #dcc8ac;
}
.choice--brown:hover {
  border-color: #C9A87C;
  background: #fdf8f2;
  box-shadow: 0 5px 20px rgba(201,168,124,0.35);
}
.choice--brown:hover .choice__key {
  background: #C9A87C;
  border-color: #C9A87C;
  color: #fff;
}

/* B: グリーン・ボタニカル */
.choice__swatch--green {
  background: linear-gradient(135deg, #B8D4B8, #8AA88C, #5A7A5C);
}
.choice--green {
  border-color: #b8d0b8;
}
.choice--green:hover {
  border-color: #8AA88C;
  background: #f4faf4;
  box-shadow: 0 5px 20px rgba(138,168,140,0.35);
}
.choice--green:hover .choice__key {
  background: #8AA88C;
  border-color: #8AA88C;
  color: #fff;
}

/* C: ピンク・ローズ */
.choice__swatch--pink2 {
  background: linear-gradient(135deg, #F9A8D4, #F472B6, #DB2777);
}
.choice--pink2 {
  border-color: #f5c0d8;
}
.choice--pink2:hover {
  border-color: #F472B6;
  background: #fff5f9;
  box-shadow: 0 5px 20px rgba(244,114,182,0.35);
}
.choice--pink2:hover .choice__key {
  background: #F472B6;
  border-color: #F472B6;
  color: #fff;
}

/* === Making (フェーズA) === */
.making-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.78rem;
  letter-spacing: 0.35em;
  color: var(--brown-l);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.making-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 300;
  margin-bottom: 2.5rem;
}
.making-bar-wrap {
  width: 100%;
  max-width: 320px;
  height: 2px;
  background: #ede0e0;
  border-radius: 2px;
  margin: 0 auto 1.5rem;
  overflow: hidden;
}
.making-bar {
  height: 100%;
  width: 0%;
  background: var(--pink);
  border-radius: 2px;
  transition: width linear;
}
.making-dots {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.5rem;
  letter-spacing: 0.4em;
  color: var(--pink);
  animation: blink 1.2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.2; }
}

/* === Done (フェーズB) === */
.phase-hidden {
  display: none;
}
.done-deco {
  font-size: 2.25rem;
  color: var(--pink);
  margin-bottom: 0.75rem;
  display: inline-block;
  animation: spin 10s linear infinite;
}
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.done-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.78rem;
  letter-spacing: 0.35em;
  color: var(--brown-l);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}
.done-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(2rem, 7vw, 3rem);
  font-weight: 300;
  margin-bottom: 1rem;
}
.done-salon {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1rem;
  letter-spacing: 0.12em;
  color: var(--brown-l);
  margin-bottom: 1rem;
  min-height: 1.4em;
}
.done-desc {
  font-size: 0.875rem;
  color: var(--brown-l);
  line-height: 1.9;
  margin-bottom: 2.5rem;
}

/* === Responsive === */
@media (max-width: 480px) {
  .step { padding: 1.5rem 1.25rem; }
  .choice { padding: 0.9rem 1.25rem; }
}