:root {
  --ink: #17211d;
  --muted: #53615b;
  --paper: #fbfaf6;
  --surface: #ffffff;
  --line: #cfd8d2;
  --green: #155f4b;
  --green-soft: #e4f0eb;
  --lime: #dceb91;
  --warm: #f3eadf;
  --shadow: 0 18px 52px rgba(27, 49, 40, .09);
}
* { box-sizing: border-box; }
html { font-family: "Yu Gothic UI", "Hiragino Sans", Meiryo, sans-serif; color: var(--ink); background: var(--paper); }
body { margin: 0; min-width: 0; line-height: 1.65; }
button, input, select { font: inherit; color: inherit; }
button, select, input, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid #1675a5; outline-offset: 3px; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 20; padding: 10px 14px; background: var(--ink); color: white; }
.skip-link:focus { top: 12px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px max(16px, calc((100vw - 1120px) / 2)); border-bottom: 1px solid var(--line); background: rgba(251, 250, 246, .94); }
.site-header p { margin: 0; color: var(--muted); font-size: .78rem; text-align: right; }
.brand { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; color: var(--ink); font-weight: 800; text-decoration: none; letter-spacing: .02em; }
.brand-logo { width: 44px; height: 44px; flex: 0 0 44px; object-fit: contain; }
.brand-label { white-space: nowrap; }
.brand span { display: inline-block; padding: 1px 6px; border-radius: 99px; background: var(--lime); font-size: .68rem; vertical-align: 2px; }
.shell { width: min(100%, 1120px); margin: 0 auto; padding: 32px 16px 72px; }
.reading-width { max-width: 720px; margin-inline: auto; }
.entry-width { max-width: 760px; margin-inline: auto; }
.hero { padding: 20px 0 28px; }
.eyebrow, .step-label { margin: 0 0 6px; color: var(--green); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1 { margin: 0; font-size: clamp(2rem, 8.2vw, 4.7rem); line-height: 1.08; letter-spacing: -.045em; }
h2 { margin: 0; font-size: clamp(1.45rem, 5vw, 2.25rem); line-height: 1.25; }
h3 { margin: 0; font-size: 1.2rem; line-height: 1.35; }
.lead { margin: 18px 0 0; color: var(--muted); font-size: 1rem; }
.entry-card { padding: 20px; border: 1px solid var(--line); border-radius: 20px; background: var(--surface); box-shadow: var(--shadow); }
.section-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.quiet-button, .text-action, .back-link { min-height: 44px; min-width: 44px; padding: 8px 4px; border: 0; background: transparent; color: var(--green); font-weight: 750; text-decoration: underline; text-underline-offset: 4px; cursor: pointer; }
.field-group { min-width: 0; margin: 0 0 24px; padding: 0; border: 0; }
.field-group legend, .field-block > label { display: block; margin-bottom: 9px; font-weight: 800; }
.field-group legend span, .field-block > label span { color: var(--green); font-size: .72rem; }
.relationship-group { display: grid; grid-template-columns: 1fr; gap: 12px; }
.relationship-group legend { grid-column: 1 / -1; }
.relationship-group label { display: flex; min-height: 72px; align-items: flex-start; gap: 12px; padding: 14px; border: 1.5px solid var(--line); border-radius: 14px; background: #fff; cursor: pointer; }
.relationship-group label:has(input:checked) { border-color: var(--green); background: var(--green-soft); box-shadow: inset 0 0 0 1px var(--green); }
.relationship-group input { width: 22px; height: 22px; flex: 0 0 auto; margin: 2px 0 0; accent-color: var(--green); }
.relationship-group strong, .relationship-group small { display: block; }
.relationship-group small { margin-top: 3px; color: var(--muted); }
.field-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
.field-block { min-width: 0; }
select, .combobox-block input { width: 100%; min-height: 48px; padding: 10px 12px; border: 1.5px solid #9eaaa4; border-radius: 10px; background: white; }
.field-help, .source-note, .route-hint { margin: 7px 0 0; color: var(--muted); font-size: .82rem; }
.selected-value { min-height: 28px; margin: 7px 0 0; color: var(--green); font-size: .9rem; font-weight: 700; }
.combobox-block { position: relative; }
.combobox-popup { position: absolute; z-index: 8; width: 100%; max-height: 320px; margin-top: 4px; overflow-y: auto; border: 1px solid var(--line); border-radius: 12px; background: white; box-shadow: var(--shadow); }
.popup-status { margin: 0; padding: 8px 12px; color: var(--muted); font-size: .78rem; border-bottom: 1px solid var(--line); }
#area-listbox { margin: 0; padding: 6px; list-style: none; }
#area-listbox li { min-height: 48px; padding: 11px 10px; border-radius: 8px; cursor: pointer; }
#area-listbox li[aria-selected="true"], #area-listbox li.active { background: var(--green-soft); }
.no-match { padding: 14px; }
.no-match p { margin-top: 0; }
.no-match button { min-height: 44px; margin: 4px 8px 4px 0; border: 1px solid var(--green); border-radius: 8px; background: white; color: var(--green); }
.sentence-panel { margin-top: 24px; padding: 18px; border-left: 5px solid var(--green); border-radius: 4px 14px 14px 4px; background: var(--green-soft); }
.sentence-label { margin: 0 0 5px; color: var(--muted); font-size: .78rem; font-weight: 700; }
.generated-sentence { margin: 0; font-size: clamp(1.05rem, 3.8vw, 1.28rem); font-weight: 750; line-height: 1.65; }
.inline-status { margin: 12px 0 0; color: var(--muted); }
.save-panel { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.save-panel > p { color: var(--muted); }
.save-actions { display: grid; grid-template-columns: 1fr; gap: 12px; }
.choice-action { min-height: 88px; padding: 15px; border: 1.5px solid var(--green); border-radius: 14px; background: white; color: var(--green); text-align: left; cursor: pointer; }
.choice-action:hover { background: var(--green-soft); }
.choice-action strong, .choice-action span { display: block; }
.choice-action span { margin-top: 4px; color: var(--muted); font-size: .8rem; font-weight: 500; }
.result-surface { margin-top: 32px; padding: 32px 16px; border-radius: 24px; background: #edf3ef; }
.result-heading { text-align: center; }
.state-chip { display: inline-block; margin: 0 0 12px; padding: 4px 11px; border-radius: 99px; background: var(--lime); font-size: .75rem; font-weight: 800; }
.result-sentence { margin: 12px 0 4px; color: var(--muted); }
.caveat { margin-top: 22px; padding: 13px 15px; border: 1px solid #ba9a6c; border-radius: 10px; background: #fff9ec; color: #5d4525; font-size: .88rem; }
.metric-grid { display: grid; grid-template-columns: 1fr; gap: 12px; max-width: 760px; margin: 24px auto 0; }
.metric-card { min-width: 0; padding: 20px; border-radius: 16px; background: white; box-shadow: 0 8px 24px rgba(26, 56, 43, .06); }
.metric-kicker { margin: 0 0 8px; color: var(--muted); font-size: .76rem; font-weight: 700; }
.metric-card h3 { min-height: 2.7em; }
.metric-value { margin: 12px 0 0; color: var(--green); font-size: clamp(2rem, 8vw, 3.2rem); font-weight: 850; line-height: 1; letter-spacing: -.04em; }
.metric-note { margin: 10px 0 0; color: var(--muted); font-size: .84rem; }
.comparison-values { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.comparison-values div { padding: 11px; border-radius: 10px; background: var(--paper); }
.comparison-values span, .comparison-values strong { display: block; }
.comparison-values span { color: var(--muted); font-size: .76rem; }
.comparison-values strong { margin-top: 4px; font-size: 1.45rem; }
.source-note { margin-top: 13px; text-align: center; }
.route-section { max-width: 960px; margin: 36px auto 0; }
.route-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 16px; }
.route-card { display: flex; min-height: 138px; flex-direction: column; justify-content: space-between; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: white; color: var(--ink); text-decoration: none; }
.route-card:hover { border-color: var(--green); }
.route-card strong { font-size: 1.06rem; }
.route-card span { color: var(--muted); font-size: .84rem; }
.route-card b { color: var(--green); }
.compact-result { margin-top: 0; }
.back-link { display: block; width: fit-content; margin: 28px auto 0; }
footer { padding: 22px 16px; border-top: 1px solid var(--line); color: var(--muted); text-align: center; font-size: .76rem; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }

@media (min-width: 376px) {
  .shell { padding: 40px 24px 84px; }
  .entry-card { padding: 28px; }
  .result-surface { padding: 40px 24px; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
}
@media (min-width: 720px) {
  .relationship-group { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .field-grid, .save-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 900px) {
  .shell { max-width: 1120px; padding-top: 64px; }
  .entry-card { padding: 38px; }
  .result-surface { padding: 52px; }
  .route-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (prefers-reduced-motion: no-preference) {
  .choice-action, .route-card { transition: background-color .16s ease, border-color .16s ease, transform .16s ease; }
  .route-card:hover { transform: translateY(-2px); }
}


.explorer-entry{margin-top:32px;padding:24px;border:1px solid var(--line);border-radius:18px;background:var(--card);box-shadow:var(--shadow)}
.explorer-entry h2,.explorer-entry p{margin-top:0}.explorer-entry .primary-link{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 18px;border-radius:12px;background:var(--green);color:#fff;font-weight:800;text-decoration:none}.explorer-entry .primary-link:focus-visible{outline:3px solid var(--focus);outline-offset:3px}

.age-overview{display:block}.age-table-wrap{max-width:100%}.age-overview-table{width:100%;border-collapse:collapse;table-layout:fixed;background:#fff}.age-overview-table caption{text-align:left;font-weight:800;margin-bottom:10px}.age-overview-table th,.age-overview-table td{padding:11px 8px;border-bottom:1px solid var(--line);text-align:right;font-variant-numeric:tabular-nums}.age-overview-table th:first-child,.age-overview-table td:first-child{text-align:left;width:34%}.age-overview-table thead th{background:var(--green-soft);font-size:.84rem}.age-overview-table tr.selected-age-row{background:#fff5df}.selected-age-label{display:block;color:var(--green);font-size:.72rem;font-weight:800}@media(max-width:360px){.age-overview-table th,.age-overview-table td{padding-inline:5px;font-size:.86rem}}

.age-theme-section{margin-top:32px;padding-top:28px;border-top:1px solid var(--line)}.age-theme-section h2,.age-theme-section p{margin-top:0}.age-theme-lead{max-width:720px;color:var(--muted)}.age-theme-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.age-theme-card{min-width:0;padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}.age-theme-card h3{margin:2px 0 14px;font-size:1.2rem}.theme-scope{color:var(--green);font-size:.78rem;font-weight:800}.theme-table{width:100%;border-collapse:collapse;table-layout:auto;font-size:.86rem}.theme-table th,.theme-table td{padding:8px 6px;border-bottom:1px solid var(--line);text-align:right;vertical-align:top;font-variant-numeric:tabular-nums}.theme-table th:first-child,.theme-table td:first-child{text-align:left}.theme-table thead th{background:var(--green-soft);font-size:.75rem}.theme-note{margin:12px 0;color:var(--muted);font-size:.78rem}.theme-link{display:inline-flex;min-height:44px;align-items:center;color:var(--green);font-weight:800}@media(max-width:800px){.age-theme-cards{grid-template-columns:1fr}.age-theme-card{padding:16px}.theme-table{font-size:.8rem}.theme-table th,.theme-table td{padding-inline:4px}}

.remember-choice{display:flex;gap:12px;align-items:flex-start;margin:16px 0;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fff;cursor:pointer}.remember-choice input{inline-size:22px;block-size:22px;margin:2px 0 0;accent-color:var(--green);flex:0 0 auto}.remember-choice span,.remember-choice strong,.remember-choice small{display:block}.remember-choice small{margin-top:4px;color:var(--muted);font-size:.78rem;font-weight:500}.remember-choice:has(input:disabled){cursor:not-allowed;opacity:.72}.show-guidance-action{display:inline-flex;min-height:48px;align-items:center;justify-content:center;width:100%;padding:12px 18px;border:1px solid var(--green);border-radius:14px;background:var(--green);color:#fff;font:inherit;font-weight:800;cursor:pointer}.show-guidance-action:hover{filter:brightness(.96)}.theme-loading{padding:16px;border-radius:12px;background:var(--green-soft);color:var(--muted)}


/* v0.9: the collection notice is part of the decision surface, not a hidden policy link. */
.collection-notice{display:grid;gap:8px;margin:16px 0;padding:16px;border:1px solid var(--line,#d8d0c1);border-radius:14px;background:#f3f7f3;color:var(--ink,#263731)}
.collection-notice p,.collection-notice small{margin:0}
.collection-notice small:empty{display:none}
.collection-notice a{justify-self:start;font-weight:700}