/* Dedicated page labels omit internal catalog identifiers. */
.contents-intro > .section-kicker,
.capacity-intro > .section-kicker,
.format-choice-guide > .section-kicker,
.novel-layout-guide > .section-kicker,
.page-count-guide > .section-kicker,
.tool-panel-head > .section-kicker {
    display: none;
}

/* G002: page-count decision guide */
.page-count-guide .count-section-heading {
    margin: 0 0 20px;
}

.page-count-guide .count-section-heading > span {
    display: block;
    margin-bottom: 8px;
    color: var(--red);
    font: 700 10px/1.2 var(--font-mono);
    letter-spacing: .09em;
}

.page-count-guide .count-section-heading h2 {
    margin: 0 0 8px;
    font-size: 24px;
    line-height: 1.45;
}

.page-count-guide .count-section-heading p {
    max-width: 700px;
    margin: 0;
    color: #51463f;
    font-size: 12px;
    line-height: 1.9;
}

.count-breakdown,
.count-scenario,
.count-binding,
.count-mistakes,
.count-checklist {
    margin: 0 0 68px;
}

.count-breakdown ol,
.count-checklist ul {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 2px solid var(--ink);
}

.count-breakdown li,
.count-checklist li {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 15px;
    padding: 20px 4px;
    border-bottom: 1px solid var(--line);
}

.count-breakdown li > b,
.count-checklist li > b {
    color: var(--red);
    font: 700 16px/1.4 var(--font-mono);
}

.count-breakdown h3 {
    margin: 0 0 5px;
    font-size: 17px;
    line-height: 1.45;
}

.count-breakdown p,
.count-checklist li > span {
    margin: 0;
    color: #51463f;
    font-size: 12px;
    line-height: 1.85;
}

.count-scenario-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    border: 1px solid var(--line);
    background: #fff;
}

.count-scenario-table > div {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    align-items: center;
    min-height: 49px;
    padding: 12px 19px;
    border-bottom: 1px solid var(--line);
    color: #51463f;
    font-size: 12px;
}

.count-scenario-table > div:first-child {
    min-height: 39px;
    background: var(--ink);
    color: #fff;
    font: 700 10px/1.2 var(--font-mono);
    letter-spacing: .07em;
}

.count-scenario-table > div:last-child {
    border-bottom: 0;
}

.count-scenario-table strong {
    color: var(--deep-red);
    font: 800 19px/1 var(--font-mono);
}

.count-scenario-table .total {
    border-left: 4px solid var(--red);
    background: #fff2ed;
    color: var(--ink);
    font-weight: 800;
}

.count-scenario-table .total strong {
    font-size: 25px;
}

.count-scenario-grid aside {
    padding: 23px 24px;
    border-left: 1px solid var(--line);
    background: #f7f0e9;
}

.count-scenario-grid aside h3 {
    margin: 0 0 12px;
    font-size: 16px;
    line-height: 1.45;
}

.count-scenario-grid aside ul {
    margin: 0;
    padding-left: 18px;
    color: #51463f;
    font-size: 11px;
    line-height: 1.9;
}

.count-scenario-note {
    margin: 0;
    padding: 15px 18px;
    border: 1px solid var(--line);
    border-top: 0;
    color: var(--warm-gray);
    background: #fff;
    font-size: 11px;
    line-height: 1.85;
}

.count-binding-grid,
.count-mistakes > div {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 2px solid var(--ink);
    border-left: 1px solid var(--line);
}

.count-binding-grid article,
.count-mistakes article {
    padding: 23px 20px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: #fff;
}

.count-binding-grid article:nth-child(2),
.count-mistakes article:nth-child(2) {
    background: #f7f0e9;
}

.count-binding-grid h3,
.count-mistakes b {
    display: block;
    margin: 0 0 9px;
    color: var(--ink);
    font-size: 17px;
    line-height: 1.45;
}

.count-binding-grid p,
.count-mistakes p {
    margin: 0;
    color: #51463f;
    font-size: 12px;
    line-height: 1.85;
}

.count-binding-grid a,
.count-mistakes a,
.count-checklist a {
    color: var(--deep-red);
    font-weight: 700;
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.count-mistakes > div {
    grid-template-columns: repeat(3, 1fr);
}

.count-mistakes article:nth-child(3) {
    background: #fff;
}

.count-checklist li > b {
    color: var(--deep-red);
}

.page-count-guide .count-next {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    padding: 0;
}

.page-count-guide .count-next a {
    min-width: 0;
    padding: 18px 20px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    color: var(--deep-red);
    font-size: 12px;
    font-weight: 700;
}

.page-count-guide .count-next a:nth-child(even) {
    border-right: 0;
}

.page-count-guide .count-next a:hover {
    background: #fff1ef;
}

.page-count-guide .count-next b {
    float: right;
    color: var(--red);
    font-size: 17px;
}

@media (max-width: 900px) {
    .count-scenario-grid,
    .count-binding-grid,
    .count-mistakes > div {
        grid-template-columns: 1fr;
    }

    .count-scenario-grid aside {
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .page-count-guide .count-next {
        grid-template-columns: 1fr;
    }

    .page-count-guide .count-next a,
    .page-count-guide .count-next a:nth-child(even) {
        border-right: 0;
    }
}

@media (max-width: 540px) {
    .count-breakdown,
    .count-scenario,
    .count-binding,
    .count-mistakes,
    .count-checklist {
        margin-bottom: 50px;
    }

    .page-count-guide .count-section-heading h2 {
        font-size: 21px;
    }

    .count-breakdown li,
    .count-checklist li {
        grid-template-columns: 38px 1fr;
        gap: 10px;
        padding: 17px 0;
    }

    .count-scenario-grid,
    .count-scenario-note,
    .count-binding-grid,
    .count-mistakes > div {
        margin-left: -24px;
        margin-right: -24px;
    }

    .count-scenario-table > div,
    .count-scenario-grid aside,
    .count-binding-grid article,
    .count-mistakes article {
        padding-left: 24px;
        padding-right: 24px;
    }
}

/* G001 and G005: practical comparison and reading-test modules. */
.choice-tryout,
.choice-mistakes,
.layout-tryout,
.layout-signals {
    margin: 0 0 67px;
}

.choice-detail-heading,
.layout-detail-heading {
    margin: 0 0 20px;
}

.choice-detail-heading > span,
.layout-detail-heading > span {
    display: block;
    margin-bottom: 8px;
    color: var(--deep-red);
    font: 700 10px/1.2 var(--font-mono);
    letter-spacing: .09em;
}

.choice-detail-heading h2,
.layout-detail-heading h2 {
    margin: 0 0 8px;
    font-size: 24px;
    line-height: 1.45;
}

.choice-detail-heading p,
.layout-detail-heading p {
    max-width: 720px;
    margin: 0;
    color: #51463f;
    font-size: 12px;
    line-height: 1.9;
}

.choice-tryout-grid,
.layout-tryout-grid {
    display: grid;
    grid-template-columns: 1fr;
    border: 1px solid var(--line);
    background: #fff;
}

.choice-tryout-grid ol,
.layout-tryout-grid ol {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    margin: 0;
    padding: 0;
    list-style: none;
}

.choice-tryout-grid li,
.layout-tryout-grid li {
    display: grid;
    grid-template-columns: 42px 1fr;
    gap: 14px;
    padding: 20px 22px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.choice-tryout-grid li:last-child,
.layout-tryout-grid li:last-child {
    border-right: 0;
}

.choice-tryout-grid li > b,
.layout-tryout-grid li > b {
    color: var(--red);
    font: 700 16px/1.4 var(--font-mono);
}

.choice-tryout-grid h3,
.layout-tryout-grid h3 {
    margin: 0 0 5px;
    font-size: 16px;
    line-height: 1.45;
}

.choice-tryout-grid p,
.layout-tryout-grid p {
    margin: 0;
    color: #51463f;
    font-size: 12px;
    line-height: 1.8;
}

.choice-tryout-grid aside,
.layout-tryout-grid aside {
    display: grid;
    grid-template-columns: minmax(190px, .7fr) 1.3fr;
    gap: 24px;
    align-items: start;
    padding: 19px 24px 21px;
    border-top: 1px solid var(--line);
    border-left: 0;
    background: #f7f0e9;
}

.choice-tryout-grid aside h3,
.layout-tryout-grid aside h3 {
    margin: 0;
    font-size: 16px;
    line-height: 1.45;
}

.choice-tryout-grid aside ul,
.layout-tryout-grid aside ul {
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px 25px;
    padding: 0;
    list-style: none;
    color: #51463f;
    font-size: 11px;
    line-height: 1.9;
}

.choice-tryout-grid aside li,
.layout-tryout-grid aside li {
    position: relative;
    display: block;
    min-width: 0;
    padding: 0 0 0 12px;
    border: 0;
}

.choice-tryout-grid aside li::before,
.layout-tryout-grid aside li::before {
    position: absolute;
    top: .72em;
    left: 0;
    width: 5px;
    height: 5px;
    background: var(--red);
    content: "";
}

.choice-mistakes > div,
.layout-signals > div {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 2px solid var(--ink);
    border-left: 1px solid var(--line);
}

.choice-mistakes article,
.layout-signals article {
    padding: 21px 19px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: #fff;
}

.choice-mistakes article:nth-child(2),
.layout-signals article:nth-child(2) {
    background: #f7f0e9;
}

.choice-mistakes b,
.layout-signals b {
    display: block;
    margin: 0 0 9px;
    color: var(--ink);
    font-size: 16px;
    line-height: 1.45;
}

.choice-mistakes p,
.layout-signals p {
    margin: 0;
    color: #51463f;
    font-size: 12px;
    line-height: 1.85;
}

.format-choice-guide .choice-next {
    grid-template-columns: repeat(2, 1fr);
}

.format-choice-guide .choice-next a {
    padding: 19px 20px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.format-choice-guide .choice-next a:nth-child(even) {
    border-right: 0;
}

.format-choice-guide .choice-next a:nth-last-child(-n+2) {
    border-bottom: 0;
}

.novel-layout-guide .layout-next {
    grid-template-columns: repeat(3, 1fr);
}

.novel-layout-guide .layout-next a {
    min-width: 0;
    padding: 19px 20px;
}

@media (max-width: 900px) {
    .choice-mistakes > div,
    .layout-signals > div {
        grid-template-columns: 1fr;
    }

    .novel-layout-guide .layout-next {
        grid-template-columns: 1fr;
    }

    .novel-layout-guide .layout-next a {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .novel-layout-guide .layout-next a:last-child {
        border-bottom: 0;
    }
}

@media (max-width: 700px) {
    .choice-tryout-grid ol,
    .layout-tryout-grid ol {
        grid-template-columns: 1fr;
    }

    .choice-tryout-grid li,
    .layout-tryout-grid li,
    .choice-tryout-grid li:last-child,
    .layout-tryout-grid li:last-child {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .choice-tryout-grid aside,
    .layout-tryout-grid aside {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 540px) {
    .choice-tryout,
    .choice-mistakes,
    .layout-tryout,
    .layout-signals {
        margin-bottom: 50px;
    }

    .choice-detail-heading h2,
    .layout-detail-heading h2 {
        font-size: 21px;
    }

    .choice-tryout-grid,
    .layout-tryout-grid,
    .choice-mistakes > div,
    .layout-signals > div {
        margin-left: -24px;
        margin-right: -24px;
    }

    .choice-tryout-grid li,
    .layout-tryout-grid li,
    .choice-tryout-grid aside,
    .layout-tryout-grid aside,
    .choice-mistakes article,
    .layout-signals article {
        padding-left: 24px;
        padding-right: 24px;
    }

    .choice-tryout-grid aside ul,
    .layout-tryout-grid aside ul {
        grid-template-columns: 1fr;
        gap: 5px;
    }

    .format-choice-guide .choice-next {
        grid-template-columns: 1fr;
    }

    .format-choice-guide .choice-next a,
    .format-choice-guide .choice-next a:nth-child(even),
    .format-choice-guide .choice-next a:nth-last-child(-n+2) {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .format-choice-guide .choice-next a:last-child {
        border-bottom: 0;
    }
}