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(width>=64rem){.featured-book__title{font-size:var(--text-3xl)}}.featured-book__title a{text-decoration:none}.featured-book__title a:hover{text-decoration:underline;text-decoration-thickness:var(--stroke-medium)}.featured-book__subtitle{color:var(--color-text-muted);margin-bottom:var(--space-3)}.featured-book__proposition{max-width:var(--measure-reading);margin-bottom:var(--space-3)}.featured-book__author{color:var(--color-text-muted);font-size:var(--text-sm)}.featured-book__access{margin-block:var(--space-3)}.featured-book__actions{margin-block:var(--space-4)}.featured-book__details{margin-top:var(--space-2);color:var(--color-text-muted);font-size:var(--text-sm);display:inline-block}.career-game-callout{gap:var(--space-4);padding-block:var(--space-5);border-block-end:var(--stroke-thin) solid var(--color-border);align-items:center;display:grid}.career-game-callout__copy{gap:var(--space-2);max-width:var(--measure-reading);display:grid}.career-game-callout__kicker,.career-game-callout h2,.career-game-callout p{margin:0}.career-game-callout__kicker{color:var(--color-text-muted);font-size:var(--text-xs);font-weight:var(--font-weight-medium);letter-spacing:var(--tracking-wide)}.career-game-callout h2{font-family:var(--font-serif);font-size:var(--text-lg);line-height:var(--leading-tight)}.career-game-callout__copy>p:last-child{color:var(--color-text-muted);font-size:var(--text-sm);line-height:var(--leading-body)}.career-game-callout__link{justify-self:start;gap:var(--space-4)}@media (width>=48rem){.career-game-callout{gap:var(--space-7);grid-template-columns:minmax(0,1fr) auto}}.book-card-grid{gap:var(--space-7) var(--space-6);grid-template-columns:1fr;display:grid}@media (width>=36rem){.book-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width>=64rem){.book-card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.book-card__link{gap:var(--space-2);flex-direction:column;height:100%;text-decoration:none;display:flex}.book-card__link:hover{text-decoration:none}.book-card__cover{max-width:16rem}.book-card__title{font-family:var(--font-serif);font-weight:var(--font-weight-bold);line-height:var(--leading-tight)}.book-card__subtitle,.book-card__author{color:var(--color-text-muted);font-size:var(--text-sm)}.book-card__meta{font-size:var(--text-sm);font-weight:var(--font-weight-medium);color:var(--color-text);margin-top:auto}.book-detail{gap:var(--space-6);display:grid}.book-hero{gap:var(--space-5);padding-block:var(--space-5) var(--space-6);grid-template-columns:minmax(0,1fr);display:grid}@media (width>=48rem){.book-hero{gap:var(--space-8);padding-block:var(--space-6) var(--space-8);grid-template-columns:minmax(0,5fr) minmax(0,7fr);align-items:start}}.book-hero__cover{max-width:20rem}.book-hero__title{font-family:var(--font-serif);font-size:var(--text-2xl);line-height:var(--leading-tight);margin-bottom:var(--space-2)}@media (width>=64rem){.book-hero__title{font-size:var(--text-3xl)}}.book-hero__subtitle{color:var(--color-text-muted);margin-bottom:var(--space-2)}.book-hero__author{color:var(--color-text-muted);font-size:var(--text-sm)}.book-hero__proposition{max-width:var(--measure-reading);margin-block:var(--space-3)}.book-hero__access{margin-block:var(--space-3);min-block-size:1lh}.book-hero__actions{margin-top:var(--space-4)}.book-actions--paid{display:grid}.book-actions__reserve,.book-actions--paid>.book-actions__content{grid-area:1/1;min-width:0}.book-actions__reserve{visibility:hidden;pointer-events:none}.book-actions__reserve [data-label]:before{content:attr(data-label)}.book-access-notice{gap:var(--space-3);grid-template-columns:minmax(0,1fr);min-width:0;display:grid}.book-access-notice__message{color:var(--color-text-muted);max-width:var(--measure-reading)}.book-access-notice .account-control{justify-items:start;gap:var(--space-3);grid-area:auto;min-width:0;display:grid}.book-access-notice .account-control:has(.account-control__panel){flex-basis:100%}.book-access-notice .cta-row>.btn{white-space:normal;text-align:center;max-width:100%}.book-access-notice .account-control__panel{width:min(var(--measure-reading), 100%);position:static}@media (width<=47.99rem){.book-hero__actions .cta-row{grid-template-columns:minmax(0,1fr);display:grid}}.book-detail__sections{gap:var(--space-7);display:grid}.book-section{border-top:var(--stroke-thin) solid var(--color-border);padding-top:var(--space-5)}.book-section__body{max-width:var(--measure-reading)}.book-section__note{margin-top:var(--space-3);color:var(--color-text-muted);font-size:var(--text-sm)}.book-metadata{gap:var(--space-2) var(--space-4);max-width:var(--measure-reading);grid-template-columns:minmax(0,11rem) minmax(0,1fr);display:grid}.book-metadata>dt,.book-metadata>dd{min-width:0}.book-metadata dt{color:var(--color-text-muted);font-size:var(--text-sm)}.book-metadata dd{overflow-wrap:anywhere;margin:0}@media (width<=37.49rem){.book-metadata{row-gap:var(--space-1);grid-template-columns:minmax(0,1fr)}.book-metadata dd+dt{margin-block-start:var(--space-3)}}.book-toc-preview{max-width:var(--measure-reading);gap:0;display:grid}.book-toc-preview a{gap:var(--space-4);padding-block:var(--space-2);border-bottom:var(--stroke-thin) solid var(--color-border);text-decoration:none;display:flex}.book-toc-preview a:hover{text-decoration:underline;text-decoration-thickness:var(--stroke-medium)}.book-toc-preview__order{min-width:3.5em;color:var(--color-text-muted);font-size:var(--text-sm)}.library-state{justify-items:start;gap:var(--space-4);max-width:var(--measure-reading);color:var(--color-text-muted);margin-block:var(--space-4);display:grid}.continue-reading-list{gap:var(--space-4);display:grid}.continue-reading__link{gap:var(--space-5);padding:var(--space-4);border:var(--stroke-thin) solid var(--color-border);border-radius:var(--radius-sm);grid-template-columns:minmax(0,7rem) minmax(0,1fr) auto;align-items:center;text-decoration:none;display:grid}.continue-reading__link:hover{border-color:var(--color-border-strong);text-decoration:none}.continue-reading__cover{max-width:7rem}.continue-reading__title{font-family:var(--font-serif);font-weight:var(--font-weight-bold);line-height:var(--leading-tight);display:block}.continue-reading__position{margin-top:var(--space-1);color:var(--color-text-muted);font-size:var(--text-sm);display:block}.continue-reading__cta{white-space:nowrap;font-weight:var(--font-weight-medium)}.reading-progress{width:100%;max-width:24rem;height:2px;margin-top:var(--space-2);background:var(--color-surface-muted);border-radius:2px;overflow:hidden}.reading-progress__bar{background:var(--color-accent);height:100%}.library-book-list{gap:0;display:grid}@media (width>=48rem){.library-book-list{column-gap:var(--space-8);grid-template-columns:repeat(2,minmax(0,1fr))}}.library-book__link{gap:var(--space-4);padding-block:var(--space-3);border-bottom:var(--stroke-thin) solid var(--color-border);grid-template-columns:minmax(0,5rem) minmax(0,1fr) auto;align-items:center;text-decoration:none;display:grid}.library-book__link:hover{text-decoration:none}.library-book__cover{max-width:5rem}.library-book__title{font-family:var(--font-serif);font-weight:var(--font-weight-bold);line-height:var(--leading-tight)}.library-book__meta{margin-top:var(--space-1);color:var(--color-text-muted);font-size:var(--text-sm);display:block}.library-book__cta{color:var(--role-text-link);font-size:var(--text-sm);font-weight:var(--font-weight-medium);white-space:nowrap}.reader-pending{min-height:100dvh;color:var(--color-text-muted);place-content:center;display:grid}.reader-gate{align-content:center;justify-items:start;gap:var(--space-4);min-height:100dvh;max-width:var(--reader-measure);padding:var(--reader-gutter-mobile);margin-inline:auto;display:grid}@media (width>=48rem){.reader-gate{padding:var(--reader-gutter-desktop)}}.reader-gate__kicker{color:var(--color-text-muted);font-size:var(--text-sm);letter-spacing:var(--tracking-wide)}.reader-gate__title{font-family:var(--font-serif);font-size:var(--text-2xl);line-height:var(--leading-tight)}.reader-gate__message{max-width:var(--measure-reading);color:var(--color-text-muted)}.reader-gate__actions{margin-top:var(--space-2)}.reader-gate__back{color:var(--color-text-muted);font-size:var(--text-sm)}.reader-paid-boundary{justify-items:start;gap:var(--space-3);margin-block:var(--space-8);padding-block:var(--space-6);border-top:var(--stroke-thin) solid var(--color-border);border-bottom:var(--stroke-thin) solid var(--color-border);display:grid}.reader-paid-boundary__message{color:var(--color-text-muted)}.reader-paid-boundary__back{color:var(--color-text-muted);font-size:var(--text-sm)}.receipt{gap:var(--space-5);max-width:var(--measure-reading);margin-block:var(--space-6);padding:var(--space-5);border:var(--stroke-thin) solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);display:grid}.receipt__title{font-family:var(--font-serif);font-size:var(--text-xl)}.receipt__rows{gap:0;display:grid}.receipt__row{grid-template-columns:minmax(var(--receipt-label-min), 1fr) minmax(0, 2fr);gap:var(--space-3);padding-block:var(--space-3);border-bottom:var(--stroke-thin) solid var(--color-border);display:grid}.receipt__row dt{color:var(--color-text-muted);font-size:var(--text-sm)}.receipt__row dd{overflow-wrap:anywhere;min-width:0}.receipt__tax{color:var(--color-text-muted);font-size:var(--text-sm);margin-inline-start:var(--space-1)}.receipt__aftercare{gap:var(--space-3);color:var(--color-text-muted);font-size:var(--text-sm);display:grid}@media (width<=35.99rem){.receipt__row{gap:var(--space-1);grid-template-columns:1fr}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-synthesis:none;--bp-sm:37.5rem;--bp-md:64rem;--bp-lg:64rem;--bp-xl:80rem;--bp-header:80rem;--role-surface-app:#fff;--role-surface-chrome:#f8f8fc;--role-surface-chrome-tint:#f0edfd;--role-surface-content:#fff;--role-surface-inset:#f5f6f9;--role-text-primary:#252735;--role-text-secondary:#646879;--role-text-on-tint:#5b6072;--role-text-link:#5542b5;--role-text-reference:#4f54ad;--role-border-subtle:#dfe2ea;--role-border-control:#818798;--role-action-primary-background:#6350d2;--role-action-primary-hover:#5541c2;--role-action-primary-pressed:#4936ab;--role-action-primary-foreground:#fff;--role-accent-foreground:#5542b5;--role-accent-background:#f0edfd;--role-grid-canvas:#fff;--role-grid-line-horizontal:#e9ebf1;--role-grid-line-vertical:#eef0f4;--role-grid-header-background:#f7f8fb;--role-grid-header-foreground:#5b6072;--role-selection-row-background:#f6f4fe;--role-selection-header-background:#ece9fe;--role-selection-header-foreground:#5542b5;--role-selection-active-background:#fff;--role-selection-active-border:#6551ce;--role-focus-ring:#6551ce;--radius-control:7px;--radius-menu:10px;--radius-overlay:12px;--radius-chip:4px;--tap-min:44px;--control-h:44px;--control-h-sm:36px;--choice-min:52px;--focus-width:3px;--focus-gap:2px;--ease:cubic-bezier(.2, 0, 0, 1);--dur-fast:.12s;--dur:.18s;--dur-mark:.26s;--shadow-menu:0 10px 30px -8px #27213926, 0 2px 6px #2721390d;--shadow-overlay:0 16px 48px -12px #2527353d;--chrome-head:linear-gradient(108deg, var(--role-surface-chrome-tint) 0%, var(--role-surface-chrome) 35%, var(--role-surface-chrome) 100%);--recipe-secondary-pressed:#eceef4;--state-success-fg:#206c4e;--state-success-bg:#e9f6f0;--state-warning-fg:#865015;--state-warning-bg:#fff3dd;--state-error-fg:#a02d42;--state-error-bg:#fff0f3;--state-disabled-fg:#8c949c;--state-destructive-fg:#8a2f1c;--state-destructive-border:#b4553f;--state-scrim:#25273547;--bjh-text-gloss:#464a5c;--bjh-marker:#ffe35a;--bjh-marker-ink:#252735;--bjh-mark-ok:#206c4e;--bjh-mark-ok-soft:#e9f6f0;--bjh-mark-ng:#be3219;--bjh-mark-ng-soft:#fbe8e3;--color-bg:var(--role-surface-chrome);--color-bg-elevated:var(--role-surface-chrome);--color-surface:var(--role-surface-content);--color-surface-muted:var(--role-surface-inset);--color-text:var(--role-text-primary);--color-text-muted:var(--role-text-secondary);--color-text-inverse:var(--role-surface-content);--color-border:var(--role-border-subtle);--color-border-strong:var(--role-border-control);--color-accent:var(--role-action-primary-background);--color-accent-hover:var(--role-action-primary-hover);--color-accent-soft:var(--role-accent-background);--color-accent-contrast:var(--role-action-primary-foreground);--color-focus:var(--role-focus-ring);--color-focus-inverse:var(--role-action-primary-background);--color-success:var(--state-success-fg);--color-warning:var(--state-warning-fg);--color-warning-text:var(--state-warning-fg);--color-danger:var(--state-error-fg);--color-info:var(--role-text-link);--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;--space-9:6rem;--section-gap:var(--space-8);--spi-explainer-container-max-width:68rem;--spi-explainer-content-max-width:58rem;--lp-section-gap:var(--space-8);--lp-container-max-width:75rem;--lp-radius-justified:.75rem;--lp-reveal-distance:1rem;--lp-reveal-duration:.6s;--lp-header-account-max-width:18rem;--lp-masthead-title-max-width:13ch;--lp-masthead-lead-max-width:42rem;--lp-masthead-lead-mobile-max-width:38rem;--lp-masthead-lead-size:clamp(var(--text-md), 1.8vw, var(--text-lg));--lp-masthead-title-mobile-leading:1.06;--lp-hero-cover-padding:clamp(2.75rem, 6vw, 6rem) clamp(1.5rem, 4vw, 4.5rem);--lp-hero-cover-max-width:21rem;--lp-hero-copy-padding-block:clamp(2.75rem, 6vw, 6rem);--lp-hero-copy-padding-inline:clamp(1.5rem, 5vw, 5rem) clamp(1.5rem, 4vw, 4rem);--lp-hero-title-max-width:12ch;--lp-hero-proposition-max-width:39rem;--lp-hero-access-max-width:24rem;--lp-hero-grid-columns:minmax(0, 10fr) minmax(0, 11fr);--lp-path-grid-columns:minmax(0, 1.15fr) repeat(2, minmax(0, 1fr));--lp-path-title-size:clamp(1.5rem, 2.6vw, 2.25rem);--lp-path-description-max-width:34rem;--lp-feature-number-column-width:2.5rem;--lp-sample-expression-max-width:28rem;--lp-selection-title-max-width:18ch;--lp-selection-cover-max-width:20rem;--lp-sample-card-width:min(82vw, var(--lp-selection-cover-max-width));--lp-offer-copy-max-width:38rem;--lp-offer-grid-columns:minmax(0, 1.2fr) minmax(12rem, .8fr);--lp-offer-cover-max-width:16rem;--lp-menu-title-size:clamp(var(--text-2xl), 7vw, var(--text-3xl));--font-ja:"Hiragino Sans", "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", "Yu Gothic UI", "Yu Gothic", "Meiryo", "Noto Sans JP", "Noto Sans CJK JP", system-ui, sans-serif;--font-material:"Hiragino Mincho ProN", "BIZ UDPMincho", "Yu Mincho", "YuMincho", "Noto Serif JP", "Noto Serif CJK JP", var(--font-ja);--font-en:system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;--font-zh-hant:"PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;--font-zh-hans:"PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;--font-ko:"Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", sans-serif;--font-sans:var(--font-ja);--font-serif:var(--font-material);--font-mono:"SF Mono", ui-monospace, "Cascadia Code", "JetBrains Mono", "Consolas", "Liberation Mono", monospace;--size-display:clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem);--size-title-1:1.75rem;--size-title-2:1.25rem;--size-title-3:1.125rem;--size-body:1rem;--size-ui:.875rem;--size-caption:.8125rem;--size-material-key:clamp(1.25rem, 1.1rem + .7vw, 1.625rem);--size-material:1.125rem;--leading-display:1.35;--leading-title:1.45;--leading-ja:1.8;--leading-ui:1.43;--leading-material:1.95;--weight-regular:400;--weight-medium:500;--weight-bold:600;--measure-ja:36em;--measure-material:34em;--size-small:.875rem;--gutter:clamp(16px, 4vw, 40px);--content-max:1200px;--header-h:64px;--bottom-bar-h:64px;--text-xs:var(--size-caption);--text-sm:var(--size-ui);--text-base:var(--size-body);--text-md:var(--size-title-3);--text-lg:var(--size-title-2);--text-xl:1.5rem;--text-2xl:var(--size-title-1);--text-3xl:2.5rem;--editorial-home-title-size:clamp(3rem, 7.2vw, 6.4rem);--editorial-home-title-mobile-size:clamp(2.65rem, 14vw, 4.25rem);--editorial-feature-title-size:clamp(2.2rem, 4.4vw, 4.75rem);--editorial-detail-title-size:clamp(2.5rem, 5vw, 5rem);--editorial-title-mobile-size:clamp(2.1rem, 10vw, 3rem);--editorial-section-title-size:clamp(1.75rem, 3vw, 2.5rem);--editorial-home-title-leading:1.02;--editorial-feature-title-leading:1.12;--editorial-detail-title-leading:1.1;--editorial-kicker-tracking:.15em;--editorial-display-tracking:-.04em;--editorial-feature-tracking:-.035em;--editorial-shell-block-padding:clamp(2.75rem, 5vw, 5.25rem);--editorial-section-padding:clamp(3.5rem, 6vw, 6rem);--editorial-cover-padding:clamp(2.75rem, 6vw, 6rem);--font-weight-regular:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--leading-tight:1.3;--leading-body:1.75;--leading-relaxed:1.9;--tracking-tight:-.01em;--tracking-normal:0;--tracking-wide:.06em;--jp-feature-palt:"palt" 1;--font-feature-defaults:"kern" 1, "liga" 1;--radius-sm:var(--radius-chip);--radius-md:var(--radius-control);--radius-lg:var(--radius-menu);--radius-pill:999px;--radius-cover:.125rem;--stroke-thin:1px;--stroke-medium:2px;--shadow-sm:0 1px 2px #2527350f;--shadow-md:var(--shadow-menu);--shadow-lg:var(--shadow-overlay);--focus-ring-width:var(--focus-width);--focus-ring-offset:var(--focus-gap);--focus-ring-color:var(--role-focus-ring);--duration-instant:90ms;--duration-fast:.16s;--duration-base:.24s;--duration-slow:.4s;--opacity-disabled:.55;--ease-out:cubic-bezier(0, 0, .2, 1);--ease-in:cubic-bezier(.4, 0, 1, 1);--ease-in-out:cubic-bezier(.4, 0, .2, 1);--ease-standard:cubic-bezier(.2, 0, 0, 1);--container-max-width:72rem;--container-padding:1.25rem;--measure-reading:60ch;--receipt-label-min:7rem;--account-identifier-max-width:42vw;--z-header:100;--z-skip-link:1000;--font-reader-serif:var(--font-serif);--font-reader-sans:var(--font-sans);--reader-body-mobile:1.0625rem;--reader-body-desktop:1.125rem;--reader-leading-mobile:1.82;--reader-leading-desktop:1.8;--reader-measure:34em;--reader-measure-max:40rem;--reader-gutter-mobile:1.125rem;--reader-gutter-desktop:2rem;--reader-topbar-h:3.25rem;--control-min-h:2.75rem;--reader-chapter-title-size:2.4em;--reader-chapter-title-leading:1.28;--reader-chapter-subtitle-size:1.15em;--reader-chapter-summary-size:1.06em;--reader-quote-size:1.18em;--reader-light-bg:#f8f4ea;--reader-light-text:#1d1d1a;--reader-light-muted:#716c62;--reader-light-border:#d8d0c2;--reader-light-border-strong:#b8ae9d;--reader-light-accent:#5f6f63;--reader-light-accent-soft:#e7e9e3;--reader-light-accent-ink:#f8f4ea;--reader-sepia-bg:#f1e7d3;--reader-sepia-text:#332f29;--reader-sepia-muted:#716758;--reader-sepia-border:#d7c8ad;--reader-sepia-border-strong:#b9a688;--reader-sepia-accent:#6f705d;--reader-sepia-accent-soft:#e5dcc8;--reader-sepia-accent-ink:#f1e7d3;--reader-dark-bg:#171816;--reader-dark-text:#eeeae0;--reader-dark-muted:#aaa69b;--reader-dark-border:#34352f;--reader-dark-border-strong:#4d4e46;--reader-dark-accent:#aebcaf;--reader-dark-accent-soft:#252b26;--reader-dark-accent-ink:#171816;--reader-bg:var(--reader-light-bg);--reader-surface:var(--role-surface-content);--reader-text:var(--reader-light-text);--reader-muted:var(--reader-light-muted);--reader-border:var(--reader-light-border);--reader-border-strong:var(--reader-light-border-strong);--reader-accent:var(--reader-light-accent);--reader-accent-soft:var(--reader-light-accent-soft);--reader-accent-ink:var(--reader-light-accent-ink)}:where([lang]:lang(ja)){--font-ui:var(--font-ja);--font-sans:var(--font-ja);font-family:var(--font-ja)}:where([lang]:lang(en)){--font-ui:var(--font-en);--font-sans:var(--font-en);font-family:var(--font-en)}:where([lang]:lang(zh-Hant)),:where([lang]:lang(zh-TW)){--font-ui:var(--font-zh-hant);--font-sans:var(--font-zh-hant);font-family:var(--font-zh-hant)}:where([lang]:lang(zh-Hans)),:where([lang]:lang(zh-CN)){--font-ui:var(--font-zh-hans);--font-sans:var(--font-zh-hans);font-family:var(--font-zh-hans)}:where([lang]:lang(ko)){--font-ui:var(--font-ko);--font-sans:var(--font-ko);font-family:var(--font-ko)}.material:lang(ja),.material 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10px 30px -8px #00000080;--shadow-overlay:0 16px 48px -12px #0009;--chrome-head:var(--role-surface-chrome);--recipe-secondary-pressed:#262833;--state-success-fg:#6fd3a5;--state-success-bg:#12301f;--state-warning-fg:#f2b66b;--state-warning-bg:#3a2a12;--state-error-fg:#ff9aae;--state-error-bg:#3b1820;--state-disabled-fg:#6b6f80;--state-destructive-fg:#ff9a86;--state-destructive-border:#c46450;--state-scrim:#0000008c;--bjh-text-gloss:#c3c5d2;--bjh-marker:#6a5a12;--bjh-marker-ink:#ececf3;--bjh-mark-ok:#5cc895;--bjh-mark-ok-soft:#173326;--bjh-mark-ng:#ff8069;--bjh-mark-ng-soft:#3a1c17;--shadow-sm:0 1px 2px #00000047;--shadow-md:var(--shadow-menu);--shadow-lg:var(--shadow-overlay)}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--role-surface-app:#121319;--role-surface-chrome:#17181f;--role-surface-chrome-tint:#1f1c33;--role-surface-content:#1b1c24;--role-surface-inset:#15161d;--role-text-primary:#ececf3;--role-text-secondary:#a0a3b5;--role-text-on-tint:#b4b7c8;--role-text-link:#b1a6ff;--role-text-reference:#a9aeff;--role-border-subtle:#2e303c;--role-border-control:#737891;--role-action-primary-background:#6b5ae0;--role-action-primary-hover:#5e4dd6;--role-action-primary-pressed:#5243c4;--role-action-primary-foreground:#fff;--role-accent-foreground:#c2b9ff;--role-accent-background:#25213f;--role-grid-canvas:#1b1c24;--role-grid-line-horizontal:#2a2c37;--role-grid-line-vertical:#262833;--role-grid-header-background:#20212b;--role-grid-header-foreground:#b4b7c8;--role-selection-row-background:#211e36;--role-selection-header-background:#2c2750;--role-selection-header-foreground:#c2b9ff;--role-selection-active-background:#1b1c24;--role-selection-active-border:#9c8fff;--role-focus-ring:#9c8fff;--shadow-menu:0 10px 30px -8px #00000080;--shadow-overlay:0 16px 48px -12px #0009;--chrome-head:var(--role-surface-chrome);--recipe-secondary-pressed:#262833;--state-success-fg:#6fd3a5;--state-success-bg:#12301f;--state-warning-fg:#f2b66b;--state-warning-bg:#3a2a12;--state-error-fg:#ff9aae;--state-error-bg:#3b1820;--state-disabled-fg:#6b6f80;--state-destructive-fg:#ff9a86;--state-destructive-border:#c46450;--state-scrim:#0000008c;--bjh-text-gloss:#c3c5d2;--bjh-marker:#6a5a12;--bjh-marker-ink:#ececf3;--bjh-mark-ok:#5cc895;--bjh-mark-ok-soft:#173326;--bjh-mark-ng:#ff8069;--bjh-mark-ng-soft:#3a1c17;--shadow-sm:0 1px 2px #00000047;--shadow-md:var(--shadow-menu);--shadow-lg:var(--shadow-overlay)}}@media (forced-colors:active){:root{--role-focus-ring:Highlight}}@media 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var(--space-3));padding-block:var(--space-3)}.site-header__brand{font-family:var(--font-serif);font-size:var(--text-lg);font-weight:var(--font-weight-medium);letter-spacing:var(--tracking-tight)}.site-nav__list{gap:var(--space-2)}.site-nav__link{padding-inline:var(--space-2);font-size:var(--text-sm);font-weight:var(--font-weight-regular);background:0 0;border-radius:0}.site-nav__link:hover{background:0 0}.site-nav__link[aria-current=page]{box-shadow:inset 0 calc(var(--stroke-thin) * -1) 0 var(--color-text);background:0 0}.appearance-control{border-color:var(--color-border);background:0 0}.appearance-control__option--active .appearance-control__label{box-shadow:none;background:var(--color-surface-muted)}.app-main{padding-block:var(--editorial-shell-block-padding) var(--space-9)}.site-footer{background:0 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a:hover{text-decoration-thickness:var(--stroke-thin);text-underline-offset:var(--space-1)}.featured-book__subtitle{max-width:32rem;margin-bottom:var(--space-5);font-family:var(--font-serif);font-size:var(--text-lg);line-height:var(--leading-body)}.featured-book__proposition{max-width:39rem;margin-bottom:var(--space-5);line-height:var(--leading-relaxed)}.featured-book__author,.featured-book__access{font-size:var(--text-sm)}.featured-book__actions,.book-hero__actions{gap:var(--space-3)}.featured-book .btn,.book-hero .btn{min-height:var(--space-7);padding-inline:var(--space-5);border-radius:0}.featured-book .btn--primary,.book-hero .btn--primary{background:var(--color-text);color:var(--color-text-inverse)}.featured-book .btn--primary:hover,.book-hero .btn--primary:hover{background:var(--color-accent);color:var(--color-accent-contrast)}.featured-book .btn--secondary,.book-hero .btn--secondary,.featured-book .btn--ghost,.book-hero .btn--ghost{border-color:var(--color-text);background:0 0}.featured-book__details{color:var(--color-text);text-underline-offset:var(--space-1)}@media (width>=48rem){.featured-book{grid-template-columns:minmax(0,9fr) minmax(0,11fr);align-items:stretch}.featured-book__copy{align-self:center;padding-inline-start:var(--space-9)}}.career-game-callout{margin-top:var(--space-8);padding-block:var(--space-6);border-block:var(--stroke-thin) solid var(--color-border)}.career-game-callout h2{font-family:var(--font-serif);font-size:var(--text-xl);font-weight:var(--font-weight-medium)}.career-game-callout__link{border:0;border-bottom:var(--stroke-thin) solid var(--color-text);border-radius:0;min-height:auto;padding-inline:0}.storefront-catalog{padding-top:var(--editorial-section-padding)}.storefront-catalog>.section-title,.book-section>.section-title,#profiles 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minmax(0,1fr);display:grid}.book-toc-preview__order{min-width:0;font-family:var(--font-sans);font-size:var(--text-xs);letter-spacing:var(--tracking-wide);text-transform:uppercase}@media (width>=64rem){.book-detail__sections{column-gap:var(--space-9);grid-template-columns:repeat(2,minmax(0,1fr))}#book-toc{grid-column:1/-1}}.reader-topbar{border-color:var(--role-border-subtle)}.reader-topbar__inner{max-width:calc(var(--container-max-width) + var(--space-9));margin-inline:auto}.reader-topbar__back{color:var(--role-text-link);font-size:var(--text-sm);font-weight:var(--font-weight-regular)}.reader-topbar__book{font-family:var(--font-ja);font-weight:var(--font-weight-medium)}.reader-topbar__action{color:var(--role-text-secondary);background:0 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