html { font-family: Inter, "Noto Sans JP", "Hiragino Kaku Gothic ProN", system-ui, sans-serif;
  color: var(--modo-ink);
  background: var(--modo-paper);
  scroll-padding-top: calc(var(--site-header-h) + 47px);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%; }

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; }
button, select { font: inherit; }
button:focus-visible, select:focus-visible, input:focus-visible, a:focus-visible { outline: 4px solid var(--modo-violet); outline-offset: 3px; }
.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; }

.screen { display: none; width: min(920px, 90vw); margin: 0 auto; padding: clamp(64px, 8vw, 110px) 0 120px; }
.screen.is-active { display: block; }
#question-screen { width: min(560px, 92vw); }
.kicker, .phase-label { margin: 0 0 18px; color: var(--modo-violet); font-size: .875rem; font-weight: 650; letter-spacing: .12em; }
h1 { margin: 0 0 28px; font-size: clamp(3.1rem, 7.5vw, var(--modo-text-3xl)); line-height: var(--modo-leading-tight); letter-spacing: -.075em; }
.lead { max-width: 760px; color: var(--modo-muted); font-size: var(--modo-text-m); font-weight: 500; line-height: 1.85; }
.notice { display: grid; grid-template-columns: 150px 1fr; gap: 14px 24px; margin: 34px 0; padding: 24px; border:0; background: color-mix(in srgb, var(--modo-good) 12%, var(--modo-paper)); line-height: 1.65; }
.notice strong { font-weight: 650; }
.notice span { color: var(--modo-ink-soft); font-weight: 500; }
.field { display: grid; gap: 8px; max-width: 620px; margin: 22px 0; font-weight: 650; }
select { min-height: 56px; padding: 0 16px; border:0; border-radius: 16px; background: var(--modo-panel); color: var(--modo-ink); }

.consent { display: grid; grid-template-columns: 20px minmax(0, 1fr); gap: 10px; align-items: start; max-width: 760px; margin: 30px 0 12px; font-weight: 500; line-height: 1.7; }
.consent input { width: 20px; height: 20px; margin: 4px 0 0; }
.minor-note, .status, .assessment-footnote { max-width: 760px; color: var(--modo-muted); font-size: .875rem; font-weight: 500; line-height: 1.7; }
.status { min-height: 1.4em; color: var(--modo-danger); }
.actions, .question-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.primary, .secondary { min-height: 54px; display: inline-grid; place-items: center; padding: 0 24px; border:0; border-radius: 16px; font-weight: 650; cursor: pointer; text-decoration: none; }
.primary { background: var(--modo-violet); color: white; box-shadow:none; }
.secondary { background: var(--modo-panel); color: var(--modo-ink); }

.primary:disabled { opacity: 1; border-color: var(--modo-line); background: var(--modo-line); color: var(--modo-ink-soft); box-shadow:none; cursor: not-allowed; }
.delete-link, .text-button { border: 0; background: transparent; color: var(--modo-danger); font-weight: 650; text-decoration: underline; cursor: pointer; }
.delete-link { margin-top: 22px; padding: 10px 0; }

.progress-row { position: sticky; z-index: 9; top: var(--site-header-h); display: grid; grid-template-columns: auto auto minmax(40px, 1fr); align-items: center; gap: 18px; margin-bottom: 28px; padding: 10px 0; border-bottom:1px solid var(--modo-line); background: color-mix(in srgb, var(--modo-paper) 96%, transparent); backdrop-filter: blur(12px); }
.assessment-heading { margin: 0; font-size: .875rem; line-height: 1; letter-spacing: .08em; white-space: nowrap; }
.progress-track { height: 8px; border:0; background: var(--modo-panel); overflow: hidden; }
.progress-track span { display: block; width: 0; height: 100%; background: var(--modo-violet); transition: width .2s ease; }
.question-list { display: grid; gap: var(--modo-space-5); margin: 0; padding: 0; list-style: none; }
.assessment-instruction { margin: -12px 0 18px; }
.question-item { min-width: 0; scroll-margin-top: calc(var(--site-header-h) + 96px); padding: clamp(20px, 4vw, 32px); border:0; background: var(--modo-panel); box-shadow:none; transition: opacity .2s; }
.question-item[data-state="answered"] { opacity: .75; }
.question-context { margin: 0 0 18px; color: var(--modo-ink-soft); font-weight: 500; line-height: 1.7; }
.scale { min-width: 0; margin: 0; padding: 0; border: 0; }
.question-prompt { width: 100%; margin: 0 0 18px; padding: 0; font-size: clamp(1rem, 4.2vw, var(--modo-text-l)); font-weight: 600; line-height: 1.5; }
.scale-column { width: 100%; max-width: 460px; margin-inline: auto; }
.scale-row { position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.scale-row::before { content: ""; position: absolute; z-index: 0; top: 50%; right: 10%; left: 10%; height: 2px; background: var(--modo-line); transform: translateY(-50%); }
.scale-option { position: relative; z-index: 1; width: max(64px, 100%); min-width: 0; min-height: 56px; display: grid; place-items: center; justify-self: center; cursor: pointer; }
.scale-option input { position: absolute; inset: 0; width: 100%; height: 100%; margin: 0; opacity: 0; cursor: pointer; }
.scale-option:has(input:focus-visible) { outline: 4px solid var(--modo-violet); outline-offset: 2px; }
.scale-dot { display: grid; place-items: center; width: 28px; height: 28px; border:0; border-radius: 50%; background: var(--modo-panel); pointer-events: none; transition: background .2s, border-width .2s, transform .2s; }
.scale-option[data-step="1"] .scale-dot, .scale-option[data-step="5"] .scale-dot { width: 48px; height: 48px; }
.scale-option[data-step="2"] .scale-dot, .scale-option[data-step="4"] .scale-dot { width: 38px; height: 38px; }
.scale-option:has(input:checked) .scale-dot { border: 2px solid var(--modo-ink); transform: scale(1.04); }
.scale-option[data-step="1"]:has(input:checked) .scale-dot,
.scale-option[data-step="2"]:has(input:checked) .scale-dot { background: var(--modo-coral); }
.scale-option[data-step="3"]:has(input:checked) .scale-dot { background: var(--modo-muted); }
.scale-option[data-step="4"]:has(input:checked) .scale-dot,
.scale-option[data-step="5"]:has(input:checked) .scale-dot { background: var(--modo-violet); }
.scale-option:has(input:checked) .scale-dot::after { content: "✓"; color: white; font-size: 1rem; font-weight: 650; line-height: 1; }
.scale-poles { display: flex; justify-content: space-between; margin: 2px 0 0; padding-inline: 10%; color: var(--modo-ink-soft); font-size: .875rem; font-weight: 500; pointer-events: none; }
.scale-poles span { flex: 0 0 55px; min-width: 0; text-align: center; white-space: nowrap; }
.scale-poles span:first-child { transform: translateX(-27.5px); }
.scale-poles span:last-child { transform: translateX(27.5px); }
.not-applicable { width: fit-content; max-width: 100%; min-height: 44px; display: block; margin: 0 0 0 auto; padding: 6px 8px; border: 0; border-bottom: 1px dotted var(--modo-ink-soft); border-radius: 16px; background: transparent; color: var(--modo-ink-soft); font-size: .875rem; font-weight: 500; text-align: right; cursor: pointer; }
.not-applicable.is-selected { border-bottom-color: var(--modo-ink); border-radius: 999px; background: var(--modo-ink); color: white; }
.question-actions { justify-content: space-between; }

.retest-card { display: grid; gap: 8px; max-width: 720px; margin: 36px 0; padding: 26px; border:0; background: color-mix(in srgb, var(--modo-good) 12%, var(--modo-paper)); }
.retest-card strong { font-size: var(--modo-text-l); }
.retest-card span { font-size: var(--modo-text-m); font-weight: 650; }
.retest-card p { margin: 4px 0 0; color: var(--modo-ink-soft); line-height: 1.65; }
.as-link { display: inline-grid; }



@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}




/* Keep the form state machine and page scrolling; remove the nested windows. */
body { font-size:17px; line-height:1.8; }
html { scroll-padding-top:calc(var(--site-header-h) + 100px); scroll-padding-bottom:80px; }
.screen.calibration-window,#question-screen { width:calc(100% - 40px); margin:0 auto; padding:40px 0 80px; }
h1 { font-size:2rem; line-height:1.4; letter-spacing:-.04em; overflow-wrap:anywhere; }
.lead { font-size:1.0625rem; }
.notice { grid-template-columns:minmax(0,1fr); gap:8px; padding:24px 0; border-block:2px solid var(--modo-line); background:transparent; }
.notice span { margin-bottom:12px; }
select { width:100%; min-width:0; max-width:100%; border:1px solid var(--modo-line); border-radius:16px; font-size:1rem; }
.minor-note,.status,.assessment-footnote { font-size:.9375rem; }
.primary,.secondary { padding:12px 20px; border:1px solid var(--modo-line); border-radius:999px; line-height:1.5; }
.delete-link,.text-button { min-height:44px; }
.progress-row { grid-template-columns:auto minmax(0,1fr); gap:10px; }
.progress-row .text-button { justify-self:start; }
.progress-row .progress-track { grid-column:1/-1; border-radius:999px; }
.assessment-heading { min-width:0; overflow:hidden; text-overflow:ellipsis; font-size:.875rem; line-height:1.5; }
.question-list { gap:28px; }
.question-item { padding:20px 0; border:0; border-bottom:1px solid var(--modo-line); background:transparent; }
.question-item[data-state="answered"] { opacity:1; }
.question-context { margin-bottom:12px; font-size:1rem; }
.question-prompt { font-size:1.125rem; line-height:1.7; }
.scale-option { width:100%; min-height:56px; border-radius:999px; }
.scale-dot { border:1px solid var(--modo-ink); }
.scale-poles { padding:0; font-size:.875rem; }
.scale-poles span { flex:0 1 45%; white-space:normal; }
.scale-poles span:first-child { transform:none; text-align:left; }
.scale-poles span:last-child { transform:none; text-align:right; }
.not-applicable { border-radius:999px; padding:8px 12px; font-size:.9375rem; }
.question-actions { position:sticky; z-index:8; bottom:0; margin:12px 0 0; padding:10px 0 max(10px,env(safe-area-inset-bottom)); border-top:1px solid var(--modo-line); background:color-mix(in srgb,var(--modo-paper) 96%,transparent); backdrop-filter:blur(12px); }
.question-actions .primary,.question-actions .secondary { flex:1; min-width:0; }
.retest-card { padding:24px 0; border-block:2px solid var(--modo-line); background:transparent; }

/* Comfortable text at 320px; Japanese headings break at natural boundaries. */
body { font-size:17px; font-weight:450; }
html[lang="ja"] :is(h1,h2,h3),html[lang="ja"] .boundary strong { word-break:normal; line-break:strict; overflow-wrap:anywhere; }
h1 { font-size:clamp(28px,8.75vw,32px); font-weight:650; line-height:1.45; letter-spacing:-.025em; }
.screen.calibration-window,#question-screen { padding-top:32px; }
.lead,.notice span,.consent,.question-context,.retest-card p { font-size:17px; font-weight:450; line-height:1.8; }
.question-prompt { font-size:18px; font-weight:600; }
.retest-card strong { font-size:20px; font-weight:600; }