@font-face {
  font-family: "FTBI Display";
  src: url("ftbi-display.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 900;
  font-display: swap;
}

:root {
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --content-top: max(22px, var(--safe-top));
  --content-right: max(22px, var(--safe-right));
  --content-bottom: max(44px, var(--safe-bottom));
  --content-left: max(22px, var(--safe-left));
  --font-display: "FTBI Display", ui-rounded, "Arial Rounded MT Bold", "Avenir Next Rounded", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, monospace;
  --ink: #17151b;
  --muted: #716b73;
  --faint: #5e5860;
  --paper: #f5efdf;
  --paper-deep: #e9e0cf;
  --white: #fffdf4;
  --purple: #6848d1;
  --purple-deep: #4930a6;
  --lime: #c8ed1d;
  --mint: #61d8bd;
  --sky: #b8e1ee;
  --pink: #e9add5;
  --orange: #ffb45c;
  --line: rgba(23, 21, 27, .14);
  --shadow: 0 24px 70px rgba(0, 0, 0, .28);
  color-scheme: light;
}

* { box-sizing: border-box; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
html { min-width: 320px; background: var(--paper); font-synthesis: none; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
button { font: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; }
button:focus,
summary:focus { outline: 3px solid var(--purple-deep); outline-offset: 3px; }
.app-shell {
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--paper);
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
.main-content {
  flex: 1;
  width: 100%;
  margin: 0;
  padding: var(--content-top) var(--content-right) var(--content-bottom) var(--content-left);
}

/* Shared */
.hero-system, .question-prompt, .answer-copy, blockquote,
.result-summary p, .dimension-explanation,
.confirm-dialog p {
  font-family: var(--font-body);
}
.hero-copy h1, .intro-tile strong, .confirm-dialog h2,
.primary-button, .secondary-button, .next-button {
  font-family: var(--font-display);
}
.primary-button {
  min-height: 52px; padding: 0 19px; color: var(--white); background: var(--purple); border-radius: 16px;
  box-shadow: 0 7px 0 var(--purple-deep); font-size: 15px; font-weight: 800;
}
.primary-button, .secondary-button, .quiet-button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; }
.button-icon { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 2.25; stroke-linecap: round; stroke-linejoin: round; }
.primary-button .button-icon { color: var(--lime); }
.secondary-button .button-icon, .quiet-button .button-icon { color: currentColor; }
.primary-button:hover { background: var(--purple-deep); transform: translateY(2px); box-shadow: 0 4px 0 #39268a; }
.primary-button:active { transform: translateY(5px); box-shadow: 0 2px 0 var(--purple-deep); }
.primary-button:disabled { opacity: .42; box-shadow: none; }
.secondary-button { min-height: 48px; padding: 0 18px; color: var(--ink); background: transparent; border: 2px solid var(--ink); border-radius: 15px; font-weight: 800; }
.secondary-button:hover { color: var(--purple); border-color: var(--purple); }
.text-button { padding: 0; color: var(--muted); background: transparent; font-family: var(--font-body); }
.text-button:hover { color: var(--purple); }
.text-button:disabled { cursor: not-allowed; opacity: .25; }
.nav-icon { display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border-radius: 14px; line-height: 1; }
.nav-icon .button-icon, .home-button .button-icon { width: 20px; height: 20px; }
.text-button.nav-icon { border: 2px solid var(--line); }
.next-button.nav-icon { padding: 0; }

/* Intro: colorful, compact toy-app composition */
.intro-screen { min-height: clamp(600px, 86vh, 710px); display: flex; flex-direction: column; justify-content: center; padding-block: clamp(20px, 4vh, 38px); }
.hero-copy { position: relative; padding: 0 2px 20px; }
.hero-copy::after { content: ''; position: absolute; top: 18px; right: 4px; width: clamp(70px, 23vw, 112px); aspect-ratio: 1; background: var(--lime); border-radius: 38% 62% 57% 43% / 46% 42% 58% 54%; transform: rotate(13deg); opacity: .88; }
.hero-copy h1 { position: relative; z-index: 1; margin: 0; font-family: var(--font-display); font-size: clamp(51px, 14vw, 74px); font-weight: 900; letter-spacing: -.04em; line-height: .98; }
.hero-copy h1 em { color: var(--purple); font-style: normal; }
.hero-system { position: relative; z-index: 1; margin: 25px 0 0; font-family: var(--font-body); font-size: 15px; font-weight: 800; }
.system-label { margin: 0 0 9px; color: var(--purple); font-family: var(--font-body); font-size: 11px; font-weight: 800; letter-spacing: .04em; }
.intro-tiles { position: relative; display: grid; grid-template-columns: 1.12fr .88fr; grid-template-areas: "mint sky" "lime pink"; gap: 9px; margin: 8px 0 24px; }
.intro-tiles::before, .intro-tiles::after { content: ''; position: absolute; z-index: 3; pointer-events: none; }
.intro-tiles::before { top: -6px; right: 21%; width: 19px; height: 19px; background: var(--orange); border: 3px solid var(--ink); border-radius: 50%; }
.intro-tiles::after { left: 42%; bottom: -11px; width: 30px; height: 13px; background: var(--purple); border-radius: 999px; transform: rotate(-13deg); }
.intro-tile { min-height: 105px; padding: 14px 15px; display: flex; flex-direction: column; justify-content: space-between; border-radius: 18px; }
.intro-tile strong { color: var(--ink); font-family: var(--font-display); font-size: 34px; font-weight: 900; letter-spacing: -.02em; line-height: 1; }
.intro-tile span { color: rgba(23,21,27,.78); font-family: var(--font-body); font-size: 11px; font-weight: 600; }
.tile-mint { grid-area: mint; background: var(--mint); transform: rotate(-1.2deg); }
.tile-sky { grid-area: sky; background: var(--sky); transform: translateY(8px) rotate(1.2deg); }
.tile-lime { grid-area: lime; min-height: 123px; background: var(--lime); transform: translateY(-1px) rotate(.7deg); }
.tile-pink { grid-area: pink; min-height: 88px; align-self: end; background: var(--pink); transform: translateY(-7px) rotate(-1.5deg); }
.intro-actions { display: flex; align-items: center; gap: 19px; margin-top: clamp(28px, 6vh, 52px); padding-top: 0; }
.intro-actions::before { content: ''; flex: 1; height: 2px; background: var(--ink); opacity: .14; }
.intro-actions .primary-button { min-width: 126px; }
.intro-actions .quiet-button { flex: none; }
.safety-boundary { margin: 0; color: var(--muted); font-family: var(--font-body); font-size: 11px; line-height: 1.65; }
.result-safety-boundary { margin: 22px 2px 0; padding-bottom: max(4px, var(--safe-bottom)); }
.home-button { display: grid; place-items: center; width: 44px; height: 44px; min-height: 44px; padding: 0; color: var(--muted); background: transparent; border: 1px solid rgba(23,21,27,.18); border-radius: 14px; }
.quiet-button { min-height: 44px; padding: 0 14px; color: var(--muted); background: transparent; border: 1px solid rgba(23,21,27,.18); border-radius: 12px; font-family: var(--font-body); font-size: 11px; }
.quiet-button:hover { color: var(--purple); border-color: var(--purple); background: rgba(104,72,209,.06); }
.test-toolbar { display: flex; align-items: center; justify-content: flex-start; margin: 10px 0 14px; }
.confirm-layer { position: fixed; inset: 0; z-index: 20; display: grid; place-items: center; padding: max(20px, var(--safe-top)) max(20px, var(--safe-right)) max(20px, var(--safe-bottom)) max(20px, var(--safe-left)); }
.confirm-scrim { position: absolute; inset: 0; background: rgba(21,19,26,.55); backdrop-filter: blur(3px); }
.confirm-dialog { position: relative; width: min(100%, 360px); padding: 22px 20px 20px; background: var(--white); border-radius: 24px; box-shadow: var(--shadow); }
.confirm-mark { display: grid; place-items: center; width: 29px; height: 29px; margin-bottom: 12px; color: var(--white); background: var(--purple); border-radius: 50%; font-family: var(--font-mono); font-size: 12px; }
.confirm-dialog h2 { margin: 8px 0 6px; font-family: var(--font-display); font-size: 24px; line-height: 1.25; }
.confirm-dialog p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }
.confirm-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.confirm-actions .primary-button, .confirm-actions .secondary-button { min-height: 44px; padding: 0 14px; border-radius: 13px; font-size: 12px; box-shadow: none; }

/* Test */
.test-screen { width: 100%; max-width: 760px; margin: 0 auto; }
.progress-row { display: flex; align-items: baseline; margin-bottom: 8px; }
.progress-label { color: var(--purple); font-family: var(--font-mono); font-size: 11px; }
.progress-track { height: 6px; overflow: hidden; background: rgba(23,21,27,.11); border-radius: 99px; }
.progress-track progress { display: block; width: 100%; height: 100%; overflow: hidden; appearance: none; border: 0; background: transparent; }
.progress-track progress::-webkit-progress-bar { background: transparent; }
.progress-track progress::-webkit-progress-value { background: var(--purple); border-radius: 99px; transition: width .35s ease; }
.progress-track progress::-moz-progress-bar { background: var(--purple); border-radius: 99px; transition: width .35s ease; }
.question-card { padding: 19px; background: var(--white); border: 0; border-radius: 24px; box-shadow: 0 10px 24px rgba(75,53,34,.08); }
.question-prompt { margin: 0 0 22px; font-size: clamp(20px, 5.6vw, 27px); font-weight: 800; line-height: 1.55; letter-spacing: -.01em; }
.answer-list { display: grid; gap: 9px; }
.answer-option { display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start; width: 100%; padding: 13px 12px; text-align: left; color: var(--ink); background: var(--paper); border: 2px solid transparent; border-radius: 17px; cursor: pointer; transition: border-color .18s ease, background .18s ease, transform .18s ease; }
.answer-option:nth-child(1) { --option-color: var(--mint); }
.answer-option:nth-child(2) { --option-color: var(--sky); }
.answer-option:nth-child(3) { --option-color: var(--pink); }
.answer-option:hover { border-color: var(--option-color); transform: translateX(2px); }
.answer-option.is-selected { background: var(--option-color); border-color: var(--ink); }
.answer-key { display: grid; place-items: center; width: 24px; height: 24px; color: var(--ink); background: var(--white); border-radius: 50%; font-family: var(--font-mono); font-size: 10px; font-weight: 700; }
.answer-option.is-selected .answer-key { background: var(--ink); color: var(--white); }
.answer-copy { font-family: var(--font-body); font-size: 14px; font-weight: 500; line-height: 1.72; }
.test-navigation { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 18px; }
.test-navigation-auto { justify-content: flex-start; }
.next-button { min-height: 42px; color: var(--white); background: var(--purple); border-radius: 14px; font-size: 12px; font-weight: 800; }
.next-button:not(:disabled):hover { background: var(--purple-deep); transform: translateY(2px); }
.next-button:disabled { cursor: not-allowed; opacity: .28; }
blockquote { margin: -2px 0 21px; padding: 13px 14px; color: var(--muted); background: var(--paper); border-left: 4px solid var(--lime); border-radius: 0 14px 14px 0; font-size: 12px; line-height: 1.8; }
.hidden-card { background: var(--pink); }

/* Pure editorial result card: one controlled overflow-title composition. */
.result-screen { width: 100%; max-width: 820px; margin: 0 auto; }
.result-share-card {
  --card-field: var(--pink);
  --card-ink: var(--ink);
  --card-echo: rgba(104,72,209,.62);
  position: relative;
  isolation: isolate;
  contain: layout paint;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  color: var(--card-ink);
  background: var(--card-field);
  border-radius: 28px;
  box-shadow: 0 12px 24px rgba(75,53,34,.12);
}
.result-share-card[data-card-palette="pink"] { --card-field: var(--pink); }
.result-share-card[data-card-palette="sky"] { --card-field: var(--sky); --card-echo: rgba(255,180,92,.64); }
.result-share-card[data-card-palette="mint"] { --card-field: var(--mint); --card-echo: rgba(73,48,166,.52); }
.result-share-card[data-card-palette="orange"] { --card-field: var(--orange); --card-echo: rgba(73,48,166,.58); }
.result-share-card[data-card-palette="lime"] { --card-field: var(--lime); --card-echo: rgba(104,72,209,.58); }
.result-share-card[data-card-palette="violet"] { --card-field: var(--purple); --card-echo: rgba(200,237,29,.48); --card-ink: var(--white); }
.result-share-card[data-card-palette="ink"] { --card-field: var(--ink); --card-echo: rgba(255,253,244,.22); --card-ink: var(--white); }
.editorial-paper-field { position: absolute; z-index: -2; inset: auto -8% 0; height: 43%; background: var(--paper); transform: rotate(-7deg); transform-origin: center; }
.result-share-brand, .result-share-card > .result-code, .result-share-card > h1, .editorial-title-echo, .result-share-footer { position: absolute; z-index: 2; }
.result-share-brand { top: 7%; left: 7%; font-family: var(--font-body); font-size: clamp(11px,2.3vw,12px); font-weight: 700; }
.result-share-card > .result-code { top: 7%; right: 7%; color: var(--purple-deep); font-family: var(--font-mono); font-size: clamp(11px,2.3vw,12px); letter-spacing: .04em; }
.result-share-card[data-card-palette="violet"] > .result-code, .result-share-card[data-card-palette="ink"] > .result-code { color: var(--lime); }
.result-share-card > h1 { top: 18%; left: 7%; max-width: 88%; margin: 0; color: var(--card-ink); font-family: var(--font-display); font-size: clamp(44px,12vw,76px); font-weight: 400; letter-spacing: -.055em; line-height: .9; white-space: nowrap; word-break: keep-all; }
.editorial-title-echo { top: 31%; left: -12%; max-width: none; color: var(--card-echo); font-family: var(--font-display); font-size: clamp(84px,22vw,154px); letter-spacing: -.075em; line-height: .82; white-space: nowrap; }
.result-share-footer { right: 6%; bottom: 5%; left: 6%; display: grid; grid-template-columns: minmax(0, 1fr) 92px; gap: 12px; align-items: end; min-height: 0; padding: 12px 13px 13px; color: var(--ink); background: var(--white); border-radius: 18px; }
.result-share-footer-copy { min-width: 0; display: grid; gap: 7px; align-content: start; }
.result-share-footer .motto { display: block; margin: 0; padding: 0; color: var(--ink); background: transparent; font-family: var(--font-body); font-size: clamp(12px,2.7vw,14px); font-weight: 800; line-height: 1.3; }
.card-interpretation { color: var(--ink); font-family: var(--font-body); font-size: clamp(12px,2.55vw,13px); font-weight: 500; line-height: 1.55; }
.share-qr-stamp { position: relative; display: grid; place-items: end; width: 92px; height: 92px; padding: 5px 0 0 5px; }
.share-qr-stamp::before, .share-qr-stamp::after { content: ''; position: absolute; pointer-events: none; background: var(--purple); }
.share-qr-stamp::before { top: 0; right: 0; width: 32px; height: 2px; }
.share-qr-stamp::after { left: 0; bottom: 0; width: 2px; height: 32px; }
.share-qr-label { position: absolute; top: 0; left: 0; color: var(--purple-deep); font-family: var(--font-mono); font-size: 8px; font-weight: 800; letter-spacing: .03em; line-height: 1; }
.share-qr-code { display: block; width: 82px; height: 82px; color: #17151b; background: #fffdf4; }
.special-note { position: relative; z-index: 1; margin-top: 11px; padding: 12px 13px; color: var(--ink); background: var(--white); border-radius: 14px; font-family: var(--font-body); font-size: 12px; line-height: 1.65; box-shadow: 0 8px 19px rgba(75,53,34,.06); }
.special-note strong { color: var(--purple-deep); }
.exit-signal { margin-top: 11px; padding: 17px 18px; color: var(--ink); background: var(--paper-deep); border-inline-start: 5px solid var(--purple); border-radius: 0 18px 18px 0; }
.exit-signal .section-label { color: var(--purple-deep); }
.exit-signal h2 { margin: 6px 0 0; font-family: var(--font-display); font-size: clamp(20px, 5.6vw, 27px); font-weight: 900; letter-spacing: -.03em; line-height: 1.25; }
.exit-signal p { margin: 10px 0 0; font-family: var(--font-body); font-size: 14px; line-height: 1.75; }
.exit-signal .exit-signal-action { padding-top: 10px; border-top: 1px solid rgba(23,21,27,.14); font-weight: 700; }
.result-dimensions { margin-top: 18px; }
.result-dimensions > summary { list-style: none; }
.result-dimensions > summary::-webkit-details-marker { display: none; }
.result-dimensions[open] .detail-toggle .button-icon { transform: rotate(180deg); }
.detail-toggle { width: 100%; min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; color: var(--purple); background: var(--white); border: 1px solid rgba(104,72,209,.28); border-radius: 15px; font-family: var(--font-body); font-size: 12px; font-weight: 800; cursor: pointer; }
.detail-toggle:hover { background: rgba(104,72,209,.07); }
.detail-toggle .button-icon { width: 18px; height: 18px; transition: transform .18s ease; }
.dimensions-section { margin-top: 11px; }
.result-section { margin-top: 11px; padding: 21px 18px; background: var(--white); border: 0; border-radius: 22px; box-shadow: 0 8px 19px rgba(75,53,34,.06); }
.section-label { margin: 0; color: var(--purple); font-family: var(--font-body); font-size: 11px; font-weight: 700; letter-spacing: .02em; }
.result-summary p { max-width: 680px; margin: 10px 0 0; font-family: var(--font-body); font-size: 15px; line-height: 1.85; }
.result-lead { margin-top: 10px !important; color: var(--muted); font-size: 13px !important; font-weight: 600; line-height: 1.75 !important; }
.section-heading { display: flex; justify-content: space-between; gap: 14px; align-items: end; }
.section-heading h2 { margin: 4px 0 0; font-family: var(--font-display); font-size: clamp(21px, 6vw, 29px); font-weight: 900; letter-spacing: -.03em; line-height: 1.3; }
.vector-code { color: var(--purple); font-size: 10px; letter-spacing: .1em; }
.dimension-list { margin-top: 19px; border-top: 2px solid var(--paper-deep); }
.dimension-row { display: grid; grid-template-columns: 37px 71px 27px minmax(0, 1fr); gap: 7px; align-items: baseline; padding: 9px 0; border-bottom: 1px solid rgba(233,224,207,.9); }
.dimension-row.is-shifted { background: linear-gradient(90deg, rgba(200,237,29,.14), transparent 72%); }
.dimension-code { color: var(--purple); font-family: var(--font-mono); font-size: 10px; }
.dimension-name { color: var(--muted); font-family: var(--font-body); font-size: 12px; font-weight: 600; }
.dimension-band { display: grid; place-items: center; width: 24px; height: 22px; color: var(--ink); background: var(--paper-deep); border-radius: 7px; font-size: 10px; font-weight: 800; }
.band-l { background: var(--sky); }
.band-m { background: var(--orange); }
.band-h { background: var(--lime); }
.dimension-explanation { color: var(--ink); font-family: var(--font-body); font-size: 12px; line-height: 1.65; }
.guidance-section { background: var(--lime); box-shadow: none; }
.guidance-section p { max-width: 680px; margin: 10px 0 0; color: var(--ink); font-family: var(--font-body); font-size: 15px; line-height: 1.85; }
.result-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 14px 0 4px; padding-top: 16px; border-top: 2px solid rgba(23,21,27,.1); }
.result-actions .primary-button, .result-actions .secondary-button { width: 100%; min-width: 0; }
.result-output-status { min-height: 20px; margin: 15px 0 0; color: var(--muted); font-family: var(--font-body); font-size: 12px; font-weight: 600; line-height: 1.55; }
.result-output-status.is-error { color: var(--muted); }
.restart-button { display: flex; width: fit-content; min-height: 44px; margin: 12px auto 0; border-color: rgba(23,21,27,.24); color: var(--muted); font-family: var(--font-body); font-size: 12px; }
.result-share-card.result-share-capture-card { width:360px!important; height:450px!important; min-width:360px!important; max-width:360px!important; aspect-ratio:auto!important; border-radius:0!important; box-shadow:none!important; overflow:hidden!important; }
.result-share-capture-card .result-share-brand { font-size:11px!important; }
.result-share-capture-card > .result-code { font-size:11px!important; }
.result-share-capture-card > h1 { font-size:62px!important; }
.result-share-capture-card .editorial-title-echo { font-size:116px!important; }
.result-share-capture-card .result-share-footer { min-height:124px!important; padding:11px 12px!important; grid-template-columns:minmax(0, 1fr) 92px!important; gap:12px!important; }
.result-share-capture-card .result-share-footer .motto { font-size:14px!important; }
.result-share-capture-card .card-interpretation { font-size:12px!important; line-height:1.45!important; }
.result-share-capture-card .share-qr-stamp { width:92px!important; height:92px!important; }
.result-share-capture-card .share-qr-code { width:82px!important; height:82px!important; }
.result-share-capture-host { position:fixed; z-index:-1; top:0; left:-361px; width:360px; height:450px; overflow:hidden; pointer-events:none; contain:strict; }

/* Error */
.error-screen { max-width: 500px; margin: 12vh auto; padding: 32px 22px; text-align: center; background: var(--white); border-radius: 25px; box-shadow: var(--shadow); }
.error-mark { display: grid; place-items: center; width: 45px; height: 45px; margin: 0 auto 18px; color: var(--white); background: var(--purple); border-radius: 50%; font-family: var(--font-mono); }
.error-screen h1 { margin: 0; font-family: var(--font-display); font-size: 26px; font-weight: 900; }
.error-screen p { color: var(--muted); font-family: var(--font-body); font-size: 13px; }
.error-screen code { display: block; margin: 15px 0 24px; color: var(--purple); font-family: var(--font-mono); font-size: 10px; word-break: break-all; }

@media (prefers-reduced-motion: reduce) {
  html:focus-within { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (min-width: 700px) and (min-height: 500px) {
  .app-shell { width: min(100%, 460px); margin-inline: auto; }
  .main-content {
    --content-top: max(30px, var(--safe-top));
    --content-right: max(30px, var(--safe-right));
    --content-bottom: max(52px, var(--safe-bottom));
    --content-left: max(30px, var(--safe-left));
  }
  .intro-screen { min-height: 0; }
  .hero-copy { padding-top: 43px; }
  .question-card { padding: 28px; }
  .result-share-card { max-width: 400px; margin-inline: auto; }
  .result-share-card > h1 { font-size: clamp(54px,8vw,76px); }
  .result-section { padding: 27px 25px; }
}

@media (min-width: 700px) and (max-height: 499px) and (orientation: landscape) {
  .main-content {
    --content-top: max(16px, var(--safe-top));
    --content-right: max(22px, var(--safe-right));
    --content-bottom: max(22px, var(--safe-bottom));
    --content-left: max(22px, var(--safe-left));
  }
  .intro-screen { min-height: 0; padding-block: 22px; }
  .intro-screen, .test-screen, .result-screen { max-width: 620px; margin-inline: auto; }
  .result-share-card { max-width: 400px; margin-inline: auto; }
}

@media (min-width: 1024px) {
  .app-shell { width: min(100%, 460px); margin-inline: auto; }
}

@media (max-width: 480px) {
  .intro-screen { min-height: calc(100svh - var(--content-top) - var(--content-bottom)); min-height: calc(100dvh - var(--content-top) - var(--content-bottom)); padding-block: clamp(34px, 7vh, 54px); }
  .hero-copy::after { right: 7px; }
  .intro-actions { gap: 10px; margin-top: 28px; }
  .intro-actions::before { display: none; }
  .intro-actions .primary-button { flex: 1; }
  .intro-actions .quiet-button { padding-inline: 12px; }
  .result-share-card { border-radius:24px; }
  .result-share-card > h1 { top:17%; left:6%; max-width:90%; font-size:clamp(42px,13vw,58px); }
  .result-share-brand, .result-share-card > .result-code { top:6%; }
  .result-share-brand { left:6%; }
  .result-share-card > .result-code { right:6%; }
  .result-share-footer { right:5%; bottom:4%; left:5%; min-height:24%; padding:10px 11px 11px; grid-template-columns:minmax(0, 1fr) 82px; gap:9px; }
  .result-share-footer .motto { font-size:12px; }
  .card-interpretation { font-size:12px; line-height:1.5; }
  .share-qr-stamp { width:92px; height:92px; padding:5px 0 0 5px; }
  .share-qr-code { width:82px; height:82px; }
  .share-qr-label { font-size:8px; }
  .result-actions { grid-template-columns:1fr; }
  .result-actions .secondary-button { width: 100%; }
}