/* ========== Base Reset & Variables ========== */
:root {
  --black: #1a1a1a;
  --dark: #212C2D;
  --gold: #C39B46;
  --gold-light: #d4b36a;
  --gold-pale: rgba(195, 155, 70, 0.1);
  --white: #ffffff;
  --off-white: #FAF9F5;
  --gray-light: #F5F5F3;
  --gray: #999999;
  --gray-dark: #515050;
  --border: #E0E0E0;
  --font-ja: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-en: 'Cormorant Garamond', 'Times New Roman', serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-ja);
  background: var(--off-white);
  color: var(--dark);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ========== Screen Management ========== */
.screen {
  display: none;
  min-height: 100dvh;
  flex-direction: column;
}

.screen.active {
  display: flex;
}

/* ========== Header ========== */
.header {
  text-align: center;
  padding: 20px 16px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--white);
}

.logo {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: 4px;
  color: var(--black);
}

.logo-small {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--black);
}

.logo-sub {
  display: block;
  font-size: 10px;
  letter-spacing: 6px;
  color: var(--gray);
  margin-top: -2px;
}

/* ========== Top Page ========== */
.top-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  text-align: center;
}

.top-eyecatch {
  margin-bottom: 32px;
}

.gold-line {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 16px auto;
}

.top-title {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: 6px;
  color: var(--dark);
  margin: 12px 0 4px;
}

.top-subtitle {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--gold);
  font-weight: 400;
}

.top-description {
  font-size: 14px;
  line-height: 2;
  color: var(--gray-dark);
  margin-bottom: 16px;
  font-weight: 300;
}

.top-note {
  font-size: 12px;
  color: var(--gray);
  margin-bottom: 40px;
}

/* ========== Buttons ========== */
.btn-primary {
  display: inline-block;
  background: var(--dark);
  color: var(--white);
  border: none;
  padding: 16px 48px;
  font-size: 15px;
  font-family: var(--font-ja);
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--gold);
}

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--gray-dark);
  border: 1px solid var(--border);
  padding: 14px 40px;
  font-size: 14px;
  font-family: var(--font-ja);
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 12px;
}

.btn-secondary:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-back {
  background: none;
  border: none;
  color: var(--gray);
  font-size: 13px;
  font-family: var(--font-ja);
  cursor: pointer;
  padding: 8px 0;
  transition: color 0.3s;
}

.btn-back:hover {
  color: var(--gold);
}

/* ========== Question Screen ========== */
.question-content {
  flex: 1;
  padding: 24px 20px 40px;
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}

.progress-bar {
  width: 100%;
  height: 2px;
  background: var(--border);
  margin-bottom: 24px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gold);
  transition: width 0.4s ease;
  width: 0%;
}

.question-number {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--gray);
  margin-bottom: 20px;
}

.question-text {
  font-size: 18px;
  font-weight: 500;
  line-height: 1.8;
  margin-bottom: 32px;
  color: var(--dark);
}

.options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.option-btn {
  width: 100%;
  text-align: left;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid var(--border);
  font-size: 14px;
  font-family: var(--font-ja);
  color: var(--dark);
  cursor: pointer;
  transition: all 0.25s ease;
  line-height: 1.6;
}

.option-btn:hover {
  border-color: var(--gold);
  background: var(--gold-pale);
}

.option-btn.selected {
  border-color: var(--gold);
  background: var(--gold-pale);
  position: relative;
}

.option-btn.selected::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gold);
}

.question-nav {
  margin-top: 32px;
  text-align: center;
}

/* ========== Result Screen ========== */
.result-content {
  flex: 1;
  padding: 32px 20px 40px;
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}

.result-label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 4px;
  color: var(--gold);
  text-align: center;
  margin-bottom: 24px;
}

.result-card {
  text-align: center;
  background: var(--white);
  border: 1px solid var(--border);
  padding: 40px 24px 32px;
  margin-bottom: 32px;
}

.result-icon {
  font-size: 56px;
  margin-bottom: 16px;
}

.result-type {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 2px;
  margin-bottom: 12px;
  color: var(--dark);
}

.result-badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--gold);
  border: 1px solid var(--gold);
  padding: 4px 16px;
  margin-bottom: 20px;
}

.result-description {
  font-size: 14px;
  line-height: 2;
  color: var(--gray-dark);
  font-weight: 300;
  text-align: left;
}

/* ========== Result Sections ========== */
.result-section {
  margin-bottom: 28px;
}

.section-title {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.gold-accent {
  color: var(--gold);
  font-weight: 700;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feature-list li {
  font-size: 14px;
  color: var(--gray-dark);
  padding: 12px 16px;
  background: var(--white);
  border-left: 2px solid var(--gold);
  line-height: 1.6;
}

.care-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.care-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--white);
  border: 1px solid var(--border);
}

.care-icon {
  font-size: 20px;
  flex-shrink: 0;
  width: 32px;
  text-align: center;
}

.care-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-dark);
}

.care-text strong {
  display: block;
  color: var(--dark);
  font-weight: 500;
  margin-bottom: 2px;
}

.checklist {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.checklist li {
  font-size: 14px;
  color: var(--gray-dark);
  padding: 10px 16px;
  background: var(--white);
  border: 1px solid var(--border);
  line-height: 1.6;
}

.checklist li::before {
  content: '□ ';
  color: var(--gold);
}

/* ========== CTA ========== */
.result-cta {
  text-align: center;
  padding: 32px 0 16px;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}

.cta-text {
  font-size: 14px;
  color: var(--gray-dark);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

/* ========== Footer ========== */
.footer {
  text-align: center;
  padding: 16px;
  font-size: 11px;
  color: var(--gray);
  font-family: var(--font-en);
  letter-spacing: 2px;
}

/* ========== Animations ========== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.screen.active .top-content,
.screen.active .question-content,
.screen.active .result-content {
  animation: fadeIn 0.5s ease;
}

/* ========== Responsive ========== */
@media (min-width: 600px) {
  .top-title {
    font-size: 34px;
  }
  .question-text {
    font-size: 20px;
  }
  .result-card {
    padding: 48px 32px 40px;
  }
}