:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --primary: #0f172a;
  --primary-contrast: #ffffff;
  --secondary: #ffffff;
  --secondary-text: #0f172a;
  --accent: #2563eb;
  --accent-soft: #eff6ff;
  --accent-line: #bfdbfe;
  --danger: #b91c1c;
  --shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
  --radius: 18px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
body { min-height: 100vh; }
strong { font-weight: 800; }

.app-shell {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px calc(16px + var(--safe-bottom));
}

.app-header {
  padding: 8px 4px 16px;
}

.app-header h1 {
  margin: 8px 0 8px;
  font-size: 30px;
  line-height: 1.2;
}

.app-header p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  background: #dbeafe;
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
}

.app-main { display: grid; gap: 16px; }

.card {
  display: none;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.card.active { display: block; }
.hidden { display: none !important; }

.section-text {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.section-text p { margin: 0 0 12px; }
.section-text p:last-child { margin-bottom: 0; }

.info-box {
  margin-top: 16px;
  border-radius: 16px;
  padding: 14px 16px;
  background: #f8fafc;
  border: 1px solid var(--line);
}
.info-box p {
  margin: 0;
  line-height: 1.8;
  color: var(--muted);
}

.step-label,
.question-category,
.result-label {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.button-row {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}
.button-row.between { justify-content: space-between; }
.button-row.stacked { flex-direction: column; }

.btn {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn,
.option-button {
  touch-action: manipulation;
}

.result-points-box {
  margin-top: 6px;
  padding: 12px 14px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid var(--line);
}

.result-points-box__value {
  color: var(--muted);
  line-height: 1.8;
  font-size: 14px;
}

.result-points-box p {
  margin: 0;
}

.result-points-box p + p {
  margin-top: 10px;
}
.btn-primary {
  background: var(--primary);
  color: var(--primary-contrast);
  border-color: var(--primary);
}
.btn-secondary {
  background: var(--secondary);
  color: var(--secondary-text);
}

.progress-wrap { margin-bottom: 16px; }
.progress-meta {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 8px;
}
.progress-bar {
  width: 100%;
  height: 8px;
  background: #e5e7eb;
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  width: 0%;
  height: 100%;
  background: var(--accent);
  transition: width 0.2s ease;
}

.question-wrap h2,
#age-view h2,
#start-view h2 {
  margin: 0 0 8px;
  font-size: 24px;
  line-height: 1.45;
}
.question-description {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.8;
}

.options {
  display: grid;
  gap: 12px;
}

.option-button {
  width: 100%;
  padding: 16px;
  text-align: left;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.option-button.is-selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.option-title {
  display: block;
  font-weight: 800;
  margin-bottom: 4px;
}
.option-desc {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.result-header { margin-bottom: 16px; }
.result-header__title {
  margin: 0 0 12px;
  font-size: 28px;
  line-height: 1.45;
}
.result-header__sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.result-score-box {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 16px 0;
}
.result-score-box > div {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  background: #fff;
}
.mini-label {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}

.result-pills-wrap {
  margin-bottom: 16px;
}
.result-pills-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 8px;
}
.result-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.result-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  background: var(--accent-soft);
  color: #1d4ed8;
  border: 1px solid var(--accent-line);
}

.result-card {
  border-radius: 20px;
  padding: 20px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.result-section + .result-section { margin-top: 20px; }
.result-section__title {
  font-size: 15px;
  font-weight: 800;
  margin: 0 0 8px;
}
.result-section__text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}
.result-section__text p {
  margin: 0;
}
.result-section__text p + p { margin-top: 10px; }

.result-metrics {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}
.result-metric {
  padding: 12px 14px;
  border-radius: 14px;
  background: #f8fafc;
  border: 1px solid var(--line);
  line-height: 1.7;
  font-size: 14px;
}
.result-metric__label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 4px;
}
.result-metric__value {
  font-weight: 800;
  color: var(--accent);
}

.result-highlight {
  font-weight: 800;
  color: var(--accent);
}
.result-highlight--block {
  display: block;
  margin: 12px 0;
  padding: 12px 14px;
  border-radius: 14px;
  background: var(--accent-soft);
}

.result-support {
  margin-top: 20px;
  border-radius: 20px;
  padding: 20px 16px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
}
.result-support__title {
  font-size: 16px;
  font-weight: 800;
  margin: 0 0 10px;
}
.result-support__lead {
  font-size: 16px;
  line-height: 1.85;
  font-weight: 800;
  color: var(--accent);
  margin: 0 0 10px;
}
.result-support__text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}
.result-support__text p {
  margin: 0;
}
.result-support__text p + p { margin-top: 10px; }

.result-note {
  margin-top: 20px;
}
.result-note__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

.cta-box {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  background: #f8fafc;
}

.error-card {
  border-color: #fecaca;
  background: #fff7f7;
}
.app-footer {
  text-align: center;
  padding: 16px 0 8px;
  color: var(--muted);
}

@media (min-width: 768px) {
  .app-shell {
    padding: 32px 24px calc(24px + var(--safe-bottom));
  }
  .result-header__title {
    font-size: 32px;
  }
  .result-card,
  .result-support,
  .card {
    padding: 24px 20px;
  }
}

.btn, .option-button { touch-action: manipulation; }
.result-points-box { padding: 12px 14px !important; border-radius: 14px !important; background: #f8fafc !important; border: 1px solid var(--line) !important; line-height: 1.7 !important; font-size: 14px !important; }
.result-points-box__value { font-weight: 800 !important; color: var(--accent) !important; }

.form-field {
  margin-top: 18px;
  display: grid;
  gap: 8px;
}
.form-field label {
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
}
.text-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 16px;
  background: #fff;
  color: var(--text);
}
.form-error {
  display: none;
  margin: 10px 0 0;
  color: var(--danger);
  font-size: 14px;
  line-height: 1.6;
}

/* v1.4.0 LinKeee brand refinement */
:root {
  --bg: #f5fbfd;
  --card: #ffffff;
  --text: #243143;
  --muted: #526274;
  --line: #d9edf4;
  --primary: #00A6C8;
  --primary-contrast: #ffffff;
  --secondary: #ffffff;
  --secondary-text: #007f9a;
  --accent: #00A6C8;
  --accent-soft: #e9f8fb;
  --accent-line: #bfeaf2;
  --green: #8FBF1F;
  --green-soft: #f1f8df;
  --highlight-bg: #f7fcfd;
  --shadow: 0 14px 32px rgba(0, 166, 200, 0.12);
}

.app-shell {
  background: linear-gradient(180deg, rgba(0,166,200,0.05), rgba(143,191,31,0.04));
  min-height: 100vh;
}

.app-header {
  border-bottom: 2px solid rgba(0,166,200,0.18);
  margin-bottom: 12px;
}

.app-header h1 {
  color: #243143;
  letter-spacing: 0.01em;
}

.badge,
.step-label,
.question-category,
.result-label,
.result-highlight,
.result-metric__value {
  color: var(--primary);
}

.badge {
  background: var(--green-soft);
  color: #6e9a0f;
}

.card,
.result-card,
.result-support,
.result-score-box > div,
.result-metric,
.option-button {
  border-color: var(--line);
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-contrast);
  box-shadow: 0 10px 20px rgba(0, 166, 200, 0.18);
}

.btn-secondary {
  background: #ffffff;
  color: var(--secondary-text);
  border-color: var(--accent-line);
}

.progress-fill {
  background: linear-gradient(90deg, var(--primary), var(--green));
}

.option-button.is-selected {
  border-color: var(--primary);
  background: var(--accent-soft);
}

.result-pill {
  background: var(--accent-soft) !important;
  color: var(--primary) !important;
  border-color: var(--accent-line) !important;
}

.result-support {
  background: linear-gradient(180deg, #eefbff, #f9fff0) !important;
  border-color: var(--accent-line) !important;
}

.form-grid {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field label,
.form-label {
  font-size: 14px;
  font-weight: 800;
  color: var(--text);
}

.text-input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 15px;
  font-size: 16px;
  color: var(--text);
  background: #fff;
  outline: none;
}

.text-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,166,200,0.13);
}

.gender-choice {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.gender-option {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
  font-weight: 800;
  color: var(--secondary-text);
}

.gender-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.gender-option:has(input:checked) {
  border-color: var(--primary);
  background: var(--accent-soft);
  color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.form-error {
  margin: 12px 0 0;
  color: var(--danger);
  font-size: 14px;
  font-weight: 700;
}

@supports not selector(:has(*)) {
  .gender-option input:checked + span {
    color: var(--primary);
  }
}

/* v1.5.0 - P01共通フォームUI */
:root {
  --bg: #eef9fa;
  --card: #ffffff;
  --text: #17324d;
  --muted: #6b808c;
  --line: #d6e6e9;
  --primary: #07999d;
  --primary-contrast: #ffffff;
  --secondary: #ffffff;
  --secondary-text: #56707e;
  --accent: #07999d;
  --accent-soft: #e2f6f5;
  --accent-line: #c9e3e5;
  --shadow: 0 12px 34px rgba(33, 91, 103, .09);
  --radius: 20px;
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  font-size: 14px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

.app-shell {
  width: min(100%, 560px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 0 0 calc(12px + var(--safe-bottom));
  overflow: hidden;
  background: var(--bg);
}
.app-header {
  margin: 0;
  padding: calc(14px + env(safe-area-inset-top)) 18px 13px;
  background: rgba(255,255,255,.98);
  border-bottom: 1px solid #cde0e5;
}
.brand { display: flex; align-items: center; min-width: 0; gap: 12px; }
.brand img { display: block; width: 102px; height: 43px; flex: 0 0 auto; object-fit: contain; }
.brand-copy { min-width: 0; }
.app-header .brand-copy p {
  margin: 0;
  color: var(--primary);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: .16em;
  line-height: 1.25;
  white-space: nowrap;
}
.app-header .brand-copy h1 {
  min-width: 0;
  margin: 2px 0 0;
  overflow: hidden;
  color: var(--text);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  padding: 9px 14px;
  background: rgba(238,249,250,.96);
  border-bottom: 1px solid rgba(205,224,229,.75);
}
.workflow-step {
  min-width: 0;
  min-height: 45px;
  padding: 6px 4px;
  color: var(--muted);
  text-align: center;
  background: rgba(255,255,255,.75);
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.25;
}
.workflow-step small, .workflow-step strong { display: block; }
.workflow-step small { margin-bottom: 2px; font-size: 7px; letter-spacing: .12em; }
.workflow-step.is-active { color: #087e87; background: #fff; border-color: #c9e3e5; box-shadow: 0 4px 12px rgba(33,91,103,.06); }

.app-main { display: grid; gap: 12px; padding: 12px 12px 10px; }
.card {
  min-width: 0;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 10px; font-size: 16px; line-height: 1.4; }
.section-heading { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.section-number {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  color: #fff;
  background: var(--primary);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
}
.section-heading small { display: block; color: var(--primary); font-size: 9px; font-weight: 800; letter-spacing: .16em; line-height: 1.25; }
.section-heading h2 { margin: 2px 0 0; font-size: 16px; font-weight: 800; line-height: 1.3; }
.section-text { color: #4d6878; font-size: 11px; line-height: 1.7; }
.badge { padding: 4px 8px; color: #087e87; background: var(--accent-soft); font-size: 9px; }

.form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 14px; }
.form-field:first-child { grid-column: 1 / -1; }
.form-field { gap: 6px; }
.form-field label, .form-label { color: #335267; font-size: 11px; font-weight: 700; }
.text-input { min-height: 47px; padding: 10px 12px; border-color: #d3e2e5; border-radius: 12px; font-size: 14px; }
.gender-choice { gap: 8px; }
.gender-option { min-height: 47px; border-color: #d3e2e5; border-radius: 12px; font-size: 12px; }
.form-error { margin-top: 10px; font-size: 10px; }

.button-row { gap: 8px; margin-top: 12px; }
.btn { min-height: 49px; padding: 11px 14px; border-radius: 13px; font-size: 12px; font-weight: 800; }
.btn-primary { background: var(--primary); border-color: var(--primary); box-shadow: 0 8px 20px rgba(7,153,157,.18); }
.btn-secondary { color: #56707e; border-color: #d3e2e5; }

.progress-wrap { margin-bottom: 14px; }
.progress-meta { margin-bottom: 6px; font-size: 10px; }
.progress-bar { height: 7px; background: #e4eef0; }
.progress-fill { background: var(--primary); }
.question-category { margin-bottom: 5px; font-size: 9px; letter-spacing: .1em; }
.question-wrap h2 { font-size: 15px; line-height: 1.55; }
.question-description { color: var(--muted); font-size: 11px; }
.options { gap: 8px; }
.option-button { min-height: 48px; padding: 10px 11px; border-color: #d3e2e5; border-radius: 12px; font-size: 12px; }
.option-button.is-selected { border-color: var(--primary); background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--primary); }
.option-title { font-size: 12px; }
.option-desc { font-size: 9px; }

.result-header__title { font-size: 20px; }
.result-header__sub, .result-section__text, .result-support__text, .result-note__text { font-size: 11px; }
.result-score-box { gap: 8px; }
.result-score-box > div, .result-card, .result-support, .result-note { border-radius: 14px; }
.result-score-box > div { padding: 10px; }
.result-card, .result-support { padding: 14px; }
.result-section + .result-section { margin-top: 14px; }
.result-section__title, .result-support__title { font-size: 13px; }
.result-pill { font-size: 9px; }

.app-footer { padding: 0 12px; color: var(--muted); font-size: 9px; }

@media (max-width: 430px) {
  .app-header { padding-inline: 14px; }
  .brand { gap: 9px; }
  .brand img { width: 91px; height: 39px; }
  .app-header .brand-copy h1 { font-size: 16px; }
  .workflow-steps { padding-inline: 10px; }
  .app-main { padding-inline: 10px; }
  .card { padding: 14px; border-radius: 18px; }
}

@media (max-width: 350px) {
  .brand img { width: 78px; }
  .app-header .brand-copy h1 { font-size: 14px; }
  .workflow-steps { padding-inline: 8px; }
  .workflow-step { font-size: 9px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field:first-child { grid-column: auto; }
}