:root {
    --qm-ink: #111111;
    --qm-ink-soft: #464a52;
    --qm-paper: #ffffff;
    --qm-paper-alt: #f2f2f0;
    --qm-line: #d9d9d4;
    --qm-accent: #1d4ed8;
    --qm-accent-deep: #1a3fae;
    --qm-on-dark: #f5f5f3;
    --qm-on-dark-soft: #c9cbd0;
    --qm-sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
    --qm-mono: "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
    --qm-max: 1280px;
    --qm-gutter: 16px;
    --qm-gap: 24px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    background: var(--qm-paper);
    color: var(--qm-ink);
    font-family: var(--qm-sans);
    font-size: 15px;
    line-height: 1.5;
}

h1, h2, h3 {
    margin: 0;
    font-weight: 700;
    line-height: 1.02;
}

h1 {
    font-size: clamp(2.6rem, 9vw, 6rem);
    letter-spacing: -0.04em;
}

h2 {
    font-size: clamp(1.7rem, 4.2vw, 2.8rem);
    letter-spacing: -0.03em;
}

h3 {
    font-size: 1.12rem;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

p {
    margin: 0 0 1em;
    max-width: 68ch;
}

a {
    color: var(--qm-accent);
    text-underline-offset: 3px;
}

a:hover { color: var(--qm-accent-deep); }
a:focus-visible, button:focus-visible {
    outline: 2px solid var(--qm-accent);
    outline-offset: 2px;
}

img {
    display: block;
    height: auto;
    max-width: 100%;
}

table {
    border-collapse: collapse;
    width: 100%;
}
.qm-skip {
    position: absolute;
    left: -9999px;
    top: 0;
    padding: 12px 16px;
    background: var(--qm-ink);
    color: var(--qm-paper);
}
.qm-skip:focus {
    left: 16px;
    z-index: 20;
}

.qm-wrap {
    width: 100%;
    max-width: var(--qm-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--qm-gutter);
    padding-right: var(--qm-gutter);
}

.qm-head {
    border-bottom: 2px solid var(--qm-ink);
    background: var(--qm-paper);
}
.qm-head__bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px 24px;
    padding-top: 12px;
    padding-bottom: 12px;
}
.qm-head__logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    color: var(--qm-ink);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.03em;
    text-decoration: none;
}
.qm-head__mark {
    display: block;
    width: 22px;
    height: 22px;
    background: var(--qm-accent);
    border-left: 8px solid var(--qm-ink);
}

.qm-nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
}
.qm-nav__list {
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
    list-style: none;
    white-space: nowrap;
}
.qm-nav__link {
    display: inline-block;
    padding: 12px 0;
    min-height: 44px;
    color: var(--qm-ink);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none;
}
.qm-nav__link:hover, .qm-nav__link.is-active { color: var(--qm-accent); }

.qm-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 14px 26px;
    border: 1px solid var(--qm-ink);
    background: transparent;
    color: var(--qm-ink);
    font-family: var(--qm-sans);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    line-height: 1.1;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 140ms ease, color 140ms ease, border-color 140ms ease;
}
.qm-btn:hover {
    background: var(--qm-ink);
    color: var(--qm-paper);
}
.qm-btn--solid {
    border-color: var(--qm-accent);
    background: var(--qm-accent);
    color: #ffffff;
}
.qm-btn--solid:hover {
    border-color: var(--qm-accent-deep);
    background: var(--qm-accent-deep);
    color: #ffffff;
}
.qm-btn--light {
    border-color: var(--qm-on-dark);
    color: var(--qm-on-dark);
}
.qm-btn--light:hover {
    background: var(--qm-on-dark);
    color: var(--qm-ink);
}

.qm-crumbs {
    padding-top: 18px;
    font-size: 0.82rem;
    color: var(--qm-ink-soft);
}
.qm-crumbs__list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.qm-crumbs__item + .qm-crumbs__item::before {
    content: "/";
    margin-right: 8px;
}
.qm-crumbs__link {
    display: inline-block;
    padding: 12px 0;
    min-height: 44px;
    color: var(--qm-ink);
}

.qm-hero {
    padding-top: 40px;
    padding-bottom: 56px;
}
.qm-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
}
.qm-hero__title { max-width: 14ch; }
.qm-hero__title--long {
    max-width: 20ch;
    font-size: clamp(2.2rem, 6.4vw, 4.4rem);
}
.qm-hero__lead {
    max-width: 58ch;
    margin-top: 24px;
    font-size: 1.12rem;
    line-height: 1.5;
}
.qm-hero__meta {
    margin: 0;
    font-family: var(--qm-mono);
    font-size: 0.78rem;
    color: var(--qm-ink-soft);
}
.qm-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}
.qm-hero--cover {
    min-height: 72vh;
    display: flex;
    align-items: flex-end;
    padding-top: 72px;
    padding-bottom: 72px;
    background: var(--qm-ink);
    color: var(--qm-on-dark);
}
.qm-hero--cover .qm-hero__meta { color: var(--qm-on-dark-soft); }

.qm-sec {
    padding-top: 64px;
    padding-bottom: 64px;
}
.qm-sec--tight {
    padding-top: 36px;
    padding-bottom: 36px;
}
.qm-sec--band { background: var(--qm-paper-alt); }
.qm-sec__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}
.qm-sec__title {
    max-width: 22ch;
    margin-bottom: 18px;
}
.qm-sec__head .qm-sec__title { margin-bottom: 0; }
.qm-sec__intro {
    max-width: 62ch;
    font-size: 1.02rem;
}
.qm-sec__note {
    margin-top: 20px;
    font-size: 0.82rem;
    font-style: italic;
    color: var(--qm-ink-soft);
}

.qm-cards {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: var(--qm-gap);
    align-items: start;
    margin: 0;
    padding: 0;
    list-style: none;
}
.qm-cards__item {
    min-width: 0;
    padding: 22px;
    border: 1px solid var(--qm-ink);
    background: var(--qm-paper);
}
.qm-cards__item--accent {
    border-color: var(--qm-accent);
    background: var(--qm-accent);
    color: #ffffff;
}
.qm-cards__item--accent a { color: #ffffff; }
.qm-cards__num {
    display: block;
    margin-bottom: 18px;
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1;
}
.qm-cards__title { margin-bottom: 10px; }
.qm-cards__text { margin-bottom: 0.8em; }

.qm-steps {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: qmstep;
}
.qm-steps__item {
    min-width: 0;
    counter-increment: qmstep;
}
.qm-steps__item::before {
    content: counter(qmstep, decimal-leading-zero);
    display: block;
    margin-bottom: 8px;
    font-size: 3.2rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    line-height: 1;
    color: var(--qm-accent);
}
.qm-steps__title { margin-bottom: 8px; }
.qm-steps__img { margin-top: 12px; }
.qm-steps__img--phone { max-width: 300px; }
.qm-steps__caption {
    margin-top: 6px;
    font-size: 0.8rem;
    color: var(--qm-ink-soft);
}

.qm-table {
    min-width: 0;
    margin: 0;
}
.qm-table__scroll {
    overflow-x: auto;
    border-top: 2px solid var(--qm-ink);
}
.qm-table__el {
    min-width: 620px;
    font-size: 0.9rem;
}
.qm-table__caption {
    padding: 0 0 12px;
    caption-side: top;
    text-align: left;
    font-weight: 700;
    font-size: 1rem;
}
.qm-table__el th, .qm-table__el td {
    padding: 12px 14px 12px 0;
    border-bottom: 1px solid var(--qm-line);
    text-align: left;
    vertical-align: top;
}
.qm-table__el thead th {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--qm-ink-soft);
}
.qm-table__num {
    font-family: var(--qm-mono);
    white-space: nowrap;
}
.qm-table__note {
    margin-top: 12px;
    font-size: 0.82rem;
    font-style: italic;
    color: var(--qm-ink-soft);
}

.qm-calc {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    margin: 0;
    border-top: 2px solid var(--qm-ink);
}
.qm-calc__case {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 18px 0;
    border-bottom: 1px solid var(--qm-line);
}
.qm-calc__label {
    font-size: 0.85rem;
    color: var(--qm-ink-soft);
}
.qm-calc__value {
    margin: 0;
    font-family: var(--qm-mono);
    font-size: 1.05rem;
}
.qm-calc__result {
    margin: 0;
    font-size: 1.9rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}
.qm-calc__note {
    margin-top: 14px;
    font-size: 0.82rem;
    font-style: italic;
    color: var(--qm-ink-soft);
}

.qm-feature {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
}
.qm-feature__main { min-width: 0; }
.qm-feature__lead {
    font-size: 1.25rem;
    line-height: 1.4;
}
.qm-feature__list {
    display: grid;
    gap: 18px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.qm-feature__item {
    padding-top: 12px;
    border-top: 1px solid var(--qm-ink);
}

.qm-basis {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: qmbasis;
}
.qm-basis__step {
    counter-increment: qmbasis;
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 12px;
}
.qm-basis__step::before {
    content: counter(qmbasis);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    color: var(--qm-accent);
}
.qm-basis__title { margin-bottom: 6px; }

.qm-answer {
    padding: 24px;
    border-left: 8px solid var(--qm-accent);
    background: var(--qm-paper-alt);
    font-size: 1.15rem;
    line-height: 1.45;
}
.qm-answer p:last-child { margin-bottom: 0; }
.qm-narrow { max-width: 740px; }

.qm-limits {
    display: grid;
    gap: 14px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.qm-limits__item {
    padding: 14px 0 14px 18px;
    border-left: 2px solid var(--qm-ink);
}

.qm-terms {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px 40px;
    margin: 0;
}
.qm-terms__pair { min-width: 0; }
.qm-terms__term {
    font-weight: 700;
    font-size: 1.02rem;
}
.qm-terms__def {
    margin: 4px 0 0;
    color: var(--qm-ink-soft);
}

.qm-rows {
    display: grid;
    gap: 28px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.qm-rows__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
}
.qm-rows__key {
    font-family: var(--qm-mono);
    font-size: 1.4rem;
    color: var(--qm-accent);
}

.qm-work {
    margin: 0;
    min-width: 0;
}
.qm-work__pre {
    margin: 0;
    padding: 20px;
    overflow-x: auto;
    background: var(--qm-ink);
    color: var(--qm-on-dark);
    font-family: var(--qm-mono);
    font-size: 0.86rem;
    line-height: 1.65;
}
.qm-work__caption {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--qm-ink-soft);
}
.qm-scheme { margin: 0; }
.qm-scheme__svg {
    display: block;
    width: 100%;
    height: auto;
    max-width: 880px;
}
.qm-scheme__caption {
    margin-top: 10px;
    font-size: 0.82rem;
    color: var(--qm-ink-soft);
}

.qm-toc {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 28px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
    counter-reset: qmtoc;
}
.qm-toc__item { counter-increment: qmtoc; }
.qm-toc__link {
    display: inline-block;
    padding: 12px 0;
    min-height: 44px;
    color: var(--qm-ink);
    font-weight: 700;
}
.qm-toc__link::before {
    content: counter(qmtoc, decimal-leading-zero) " ";
    font-family: var(--qm-mono);
    font-weight: 400;
    color: var(--qm-accent);
}

.qm-zig {
    display: grid;
    gap: 72px;
}
.qm-zig__row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}
.qm-zig__text { min-width: 0; }
.qm-zig__aside {
    min-width: 0;
    padding: 22px;
    background: var(--qm-paper-alt);
}
.qm-zig__big {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1;
}

.qm-dates {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 2px solid var(--qm-ink);
}
.qm-dates__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    padding: 16px 0;
    border-bottom: 1px solid var(--qm-line);
}
.qm-dates__date {
    font-family: var(--qm-mono);
    font-weight: 700;
    color: var(--qm-accent-deep);
}
.qm-dates__text { margin: 0; }

.qm-mistakes {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.qm-mistakes__item { min-width: 0; }
.qm-mistakes__title { margin-bottom: 6px; }
.qm-mistakes__title::before {
    content: "×";
    margin-right: 8px;
    color: var(--qm-accent);
}

.qm-split {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
    padding-top: 36px;
    padding-bottom: 72px;
}
.qm-split__side { min-width: 0; }
.qm-split__main { min-width: 0; }
.qm-split__block { padding-bottom: 48px; }
.qm-split__block + .qm-split__block { padding-top: 8px; }
.qm-shift {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
}
.qm-shift__cell { min-width: 0; }

.qm-gallery {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.qm-gallery__item {
    margin: 0;
    min-width: 0;
}
.qm-gallery__img { width: 100%; }
.qm-gallery__caption {
    margin-top: 10px;
    font-size: 0.88rem;
}

.qm-bento {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
}
.qm-bento__tile {
    min-width: 0;
    padding: 24px;
    background: var(--qm-paper-alt);
}
.qm-bento__tile--ink {
    background: var(--qm-ink);
    color: var(--qm-on-dark);
}
.qm-bento__tile--ink a { color: #9db7ff; }
.qm-bento__tile--line {
    background: var(--qm-paper);
    border: 1px solid var(--qm-ink);
}
.qm-bento__figure {
    margin: 0;
    padding: 0;
    background: transparent;
}
.qm-bento__img { width: 100%; }
.qm-bento__caption {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--qm-ink-soft);
}
.qm-bento__num {
    display: block;
    font-size: 3.6rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    line-height: 1;
}

.qm-ladder {
    position: relative;
    margin: 0;
    padding: 0;
    list-style: none;
}
.qm-ladder::before {
    content: "";
    position: absolute;
    top: 8px;
    bottom: 8px;
    left: 21px;
    width: 2px;
    background: var(--qm-ink);
}
.qm-ladder__step {
    position: relative;
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 18px;
    padding-bottom: 56px;
}
.qm-ladder__step:last-child { padding-bottom: 0; }
.qm-ladder__num {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--qm-accent);
    color: #ffffff;
    font-weight: 700;
}
.qm-ladder__body { min-width: 0; }
.qm-ladder__title { margin-bottom: 14px; }

.qm-myth {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.qm-myth__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--qm-line);
}
.qm-myth__claim {
    margin: 0;
    font-weight: 700;
    text-decoration: line-through;
    text-decoration-color: var(--qm-accent);
}
.qm-myth__fact { margin: 0; }
.qm-myth__source {
    margin: 0;
    font-size: 0.8rem;
    color: var(--qm-ink-soft);
}

.qm-play {
    margin-top: 20px;
    padding: 16px 0;
    border-top: 1px solid var(--qm-ink);
    border-bottom: 1px solid var(--qm-ink);
}
.qm-play__link {
    display: inline-block;
    padding: 12px 0;
    min-height: 44px;
    font-weight: 700;
}
.qm-play__note {
    margin: 0;
    font-size: 0.85rem;
    color: var(--qm-ink-soft);
}
.qm-figure { margin: 0; }
.qm-figure__img { width: 100%; }
.qm-figure__img--phone { max-width: 320px; }
.qm-figure__caption {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--qm-ink-soft);
}

.qm-cta {
    padding-top: 80px;
    padding-bottom: 80px;
    background: var(--qm-accent);
    color: #ffffff;
}
.qm-cta__title {
    max-width: 18ch;
    font-size: clamp(2rem, 6vw, 4rem);
    letter-spacing: -0.04em;
}
.qm-cta__text {
    margin-top: 20px;
    font-size: 1.05rem;
}
.qm-cta__btn {
    margin-top: 12px;
    border-color: #ffffff;
    background: #ffffff;
    color: var(--qm-accent-deep);
}
.qm-cta__btn:hover {
    background: var(--qm-ink);
    border-color: var(--qm-ink);
    color: #ffffff;
}
.qm-cta__note {
    margin-top: 16px;
    font-size: 0.85rem;
}

.qm-doc {
    padding-top: 32px;
    padding-bottom: 72px;
}
.qm-doc__title {
    max-width: 16ch;
    margin-bottom: 20px;
    font-size: clamp(2.2rem, 7vw, 4.2rem);
}
.qm-doc__rev {
    font-family: var(--qm-mono);
    font-size: 0.8rem;
    color: var(--qm-ink-soft);
}
.qm-doc__h {
    margin-top: 36px;
    margin-bottom: 12px;
    font-size: 1.5rem;
}
.qm-doc__list {
    margin: 0 0 1em;
    padding-left: 20px;
    max-width: 68ch;
}
.qm-doc__list li { margin-bottom: 6px; }
.qm-doc__btn { margin-top: 8px; }
.qm-lost {
    padding-top: 72px;
    padding-bottom: 96px;
}
.qm-lost__code {
    display: block;
    font-size: clamp(5rem, 22vw, 14rem);
    font-weight: 700;
    letter-spacing: -0.06em;
    line-height: 0.9;
    color: var(--qm-accent);
}

.qm-foot {
    padding-top: 48px;
    padding-bottom: 32px;
    background: var(--qm-ink);
    color: var(--qm-on-dark);
}
.qm-foot a { color: var(--qm-on-dark); }
.qm-foot__word {
    display: block;
    margin-bottom: 28px;
    font-size: clamp(2.6rem, 12vw, 8rem);
    font-weight: 700;
    letter-spacing: -0.06em;
    line-height: 0.9;
}
.qm-foot__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    padding-top: 20px;
    border-top: 1px solid #3a3d42;
}
.qm-foot__owner {
    margin: 0;
    font-style: normal;
}
.qm-foot__legal {
    display: flex;
    flex-wrap: wrap;
    gap: 0 22px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.qm-foot__link {
    display: inline-block;
    padding: 12px 0;
    min-height: 44px;
}
.qm-foot__note {
    margin: 0;
    font-size: 0.82rem;
    color: var(--qm-on-dark-soft);
}

.qm-consent {
    position: fixed;
    right: 12px;
    bottom: 12px;
    left: 12px;
    z-index: 30;
    padding: 20px;
    background: var(--qm-ink);
    color: var(--qm-on-dark);
    border-top: 6px solid var(--qm-accent);
}
.qm-consent[hidden] { display: none; }
.qm-consent__title {
    margin: 0 36px 8px 0;
    font-size: 1rem;
}
.qm-consent__text {
    margin-bottom: 14px;
    font-size: 0.86rem;
}
.qm-consent__text a { color: #ffffff; }
.qm-consent__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.qm-consent__btn { flex: 1 1 auto; }
.qm-consent__close {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 44px;
    height: 44px;
    border: 0;
    background: transparent;
    color: var(--qm-on-dark);
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
}
.qm-reveal { transition: opacity 200ms ease; }
.qm-reveal.is-waiting { opacity: 0; }

@media (min-width: 560px) {
    .qm-consent {
        left: auto;
        width: 380px;
    }
    .qm-consent__btn { flex: 0 0 auto; }
}

@media (min-width: 760px) {
    :root {
        --qm-gutter: 32px;
        --qm-gap: 28px;
    }
    .qm-nav {
        order: 0;
        width: auto;
    }
    .qm-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .qm-terms { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .qm-calc {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 32px;
    }
    .qm-steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 40px;
    }
    .qm-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .qm-mistakes {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 40px;
    }
    .qm-dates__item {
        grid-template-columns: 180px minmax(0, 1fr);
        gap: 24px;
    }
    .qm-rows__item {
        grid-template-columns: 220px minmax(0, 1fr);
        gap: 32px;
    }
    .qm-myth__item {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 32px;
    }
    .qm-myth__source { grid-column: 2; }
    .qm-bento { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .qm-bento__tile--wide { grid-column: span 2; }
    .qm-bento__tile--full { grid-column: 1 / -1; }
    .qm-foot__grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
    .qm-foot__owner { grid-column: 1 / 5; }
    .qm-foot__legal { grid-column: 5 / 13; }
    .qm-foot__note { grid-column: 1 / -1; }
}

@media (min-width: 1000px) {
    .qm-hero {
        padding-top: 72px;
        padding-bottom: 96px;
    }
    .qm-sec {
        padding-top: 104px;
        padding-bottom: 104px;
    }
    .qm-sec__head {
        grid-template-columns: repeat(12, minmax(0, 1fr));
        align-items: end;
    }
    .qm-sec__title { grid-column: 1 / 8; }
    .qm-sec__intro {
        grid-column: 8 / 13;
        margin-bottom: 0;
    }
    .qm-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .qm-cards__item--wide { grid-column: span 2; }
    .qm-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .qm-feature { grid-template-columns: repeat(12, minmax(0, 1fr)); }
    .qm-feature__main { grid-column: 1 / 7; }
    .qm-feature__list { grid-column: 8 / 13; }
    .qm-basis {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 56px;
    }
    .qm-zig__row {
        grid-template-columns: minmax(0, 1fr) 420px;
        gap: 56px;
    }
    .qm-zig__row--flip .qm-zig__text { order: 2; }
    .qm-split--screen {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 64px;
        align-items: start;
    }
    .qm-split--screen .qm-split__side {
        position: sticky;
        top: 24px;
    }
    .qm-shift {
        grid-template-columns: repeat(12, minmax(0, 1fr));
        column-gap: 28px;
    }
    .qm-shift__cell--a { grid-column: 2 / 10; }
    .qm-shift__cell--b { grid-column: 1 / 8; }
    .qm-shift__cell--c { grid-column: 5 / 13; }
    .qm-shift__cell--d { grid-column: 3 / 12; }
    .qm-shift__cell--e { grid-column: 1 / 13; }
    .qm-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .qm-ladder__step {
        grid-template-columns: 44px minmax(0, 1fr);
        gap: 40px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition-duration: 0ms !important;
        animation-duration: 0ms !important;
        scroll-behavior: auto !important;
    }
    .qm-reveal.is-waiting { opacity: 1; }
}