/* Japanese home adaptation: the same complete image as the English home. */
.intro-visual-stack .learn-key-visual{margin:0;border:var(--border-width) solid var(--color-border);background:var(--color-surface);min-inline-size:0}
.intro-visual-stack .learn-key-visual img{display:block;inline-size:100%;block-size:auto;aspect-ratio:3/2;object-fit:contain}
.intro-visual-stack .learn-key-visual figcaption{padding:var(--space-3) var(--space-4);font-size:var(--font-size-label);line-height:var(--line-height-body);color:var(--color-muted)}
.intro-visual-stack .learn-key-visual figcaption p{font-size:var(--font-size-label);margin-block:var(--space-3) 0}
.intro-visual-stack .learn-hero-subjects{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-2);padding:0;margin:0}
.intro-visual-stack .learn-hero-subjects li{font-size:var(--font-size-label);font-weight:var(--font-weight-bold);margin:0}

/* Home only: restore readable Japanese line lengths and a compact page rhythm. */
.learn-ja-home{--layout-max:85rem}
.learn-ja-home .migration-language{padding-block:var(--space-2)}
.learn-ja-home main .launch-intro{padding-block-end:var(--space-8)}
.learn-ja-home main .launch-intro h1{max-inline-size:none;max-width:none;line-height:var(--line-height-heading);letter-spacing:0}
.learn-ja-home main>section:not(.launch-intro){padding-block:var(--space-8)}
.learn-ja-home .section-intro{margin-block-end:var(--space-6)}
@media(min-width:64rem){
 .learn-ja-home .intro-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--space-8);align-items:center}
 .learn-ja-home .intro-visual-stack{display:contents}
 .learn-ja-home .learn-hero-subjects{grid-template-columns:repeat(6,minmax(0,1fr))}
 .learn-ja-home .intro-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4)}
 .learn-ja-home .intro-actions .home-action-bar{inline-size:100%;max-inline-size:none;min-block-size:var(--target-size-comfortable);margin:0;padding:var(--space-3) var(--space-4)}
 .learn-ja-home .textbook-database-visual{grid-column:1/-1;display:grid;grid-template-columns:minmax(10rem,.7fr) minmax(0,1.7fr);gap:var(--space-3) var(--space-6);padding:var(--space-6)}
 .learn-ja-home .textbook-database-visual>p{grid-column:1;grid-row:1;margin:0}
 .learn-ja-home .textbook-database-visual>h2{grid-column:1;grid-row:2;margin:0}
 .learn-ja-home .textbook-database-visual .database-counts{grid-column:2;grid-row:1/3;margin:0}
 .learn-ja-home .textbook-database-visual .database-search-picture{grid-column:1/-1;margin:0}
 .learn-ja-home .textbook-database-visual>figcaption{grid-column:1/-1;margin:0}
 .learn-ja-home main>section:not(.launch-intro){padding-block:var(--space-12)}
}