/* /books/ — purpose-led editorial guide. Shared Chrome and C06 remain unchanged. */
.books-page .skip-link { position: absolute; top: -100px; left: 16px; z-index: 1000; padding: 10px 16px; background: #fffcf5; color: #102c3d; border: 1px solid #102c3d; max-width: calc(100% - 32px); }
.books-page .skip-link:focus { top: 12px; }
body.books-page { min-width: 0; background: #fbf8f0; }
.books-page main { max-width: 960px; margin-inline: auto; padding-inline: 24px; }
.books-page .books-measure { max-width: 760px; margin-inline: auto; }
.books-page h1, .books-page main h2, .books-page main h3 { color: #102c3d; font-family: var(--font-mincho); line-height: 1.55; }
.books-page h1 { font-size: 40px; font-weight: 600; letter-spacing: .04em; }
.books-page main h2 { font-size: 28px; font-weight: 600; }
.books-page main h3 { font-size: 24px; font-weight: 600; }
.books-page .books-hero { position: relative; isolation: isolate; padding-block: 48px; border-block: 1px solid var(--color-border); }
.books-page .books-hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: url('/images/assets/bg_washi.png') repeat; opacity: .13; pointer-events: none; }
.books-page .books-hero__heading { display: flex; gap: 24px; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.books-page .books-hero__heading > div { min-width: 0; }
.books-page .books-hero__heading img { flex: 0 0 52px; width: 52px; height: auto; }
.books-page .books-eyebrow { color: #785e2b; font-size: 16px; margin-bottom: 12px; }
.books-page .books-lead, .books-page .books-category__intro, .books-page .book-entry__intro, .books-page .books-next > p { font-size: 17px; line-height: 1.9; }
.books-page .books-editorial-note { margin-top: 24px; color: #5c5c5c; font-size: 16px; }
.books-page .books-purpose { margin-top: 40px; }
.books-page .books-purpose h2 { font-size: 24px; margin-bottom: 16px; }
.books-page .books-purpose ul { list-style: none; border-top: 1px solid var(--color-border); }
.books-page .books-purpose li { border-bottom: 1px solid var(--color-border); }
.books-page .books-purpose a { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 48px; padding: 12px 4px; }
.books-page .books-purpose a > span:last-child { flex-shrink: 0; }
.books-page .books-check-note { margin-top: 24px; color: #5c5c5c; font-size: 16px; }
.books-page .books-check-note p + p { margin-top: 8px; }
.books-page .books-category { margin-top: 64px; }
.books-page .books-category > h2 { padding-left: 20px; border-left: 3px solid #b79243; }
.books-page .books-category__intro { margin-top: 24px; margin-bottom: 32px; }
.books-page .book-entry { padding: 28px; border-top: 1px solid #b79243; min-width: 0; }
.books-page .book-entry + .book-entry { margin-top: 32px; }
.books-page #book-b01 { background: #fffcf5; }
.books-page .book-entry__purpose { font-size: 16px; color: #785e2b; margin-bottom: 12px; }
.books-page .book-entry__subtitle { margin-top: 8px; font-size: 16px; }
.books-page .book-bibliography { margin-block: 20px 24px; padding-bottom: 20px; border-bottom: 1px solid var(--color-border); color: #5c5c5c; }
.books-page .book-bibliography > div { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 12px; }
.books-page .book-bibliography > div + div { margin-top: 8px; }
.books-page .book-bibliography dt { font-weight: 500; }
.books-page .book-suitability { margin-block: 24px; }
.books-page .book-suitability > div + div { margin-top: 16px; }
.books-page .book-suitability dt { color: #102c3d; font-weight: 600; }
.books-page .book-suitability dd { margin-top: 4px; }
.books-page .yasuko-guide { --yasuko-portrait-width: 48px; margin: 24px 0; padding: 12px 0 12px 16px; border: 0; border-left: 2px solid #b79243; background: none; gap: 16px; }
.books-page .yasuko-guide[data-display="bridge"] { --yasuko-portrait-width: 88px; }
.books-page .yasuko-guide__name { font-size: 16px; letter-spacing: .04em; font-weight: 500; }
.books-page .yasuko-guide__message { font-size: 17px; }
.books-page .book-availability { border-top: 1px solid var(--color-border); padding-top: 24px; font-size: 16px; }
.books-page .book-links { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 12px; }
.books-page .book-links a, .books-page .books-editorial > a { display: inline-flex; align-items: center; min-height: 44px; }
.books-page .books-category__links { margin-top: 24px; }
.books-page .books-category__links a { display: inline-block; padding-block: 8px; min-height: 44px; }
.books-page .books-next { margin-top: 64px; padding-block: 32px; border-block: 1px solid #b79243; }
.books-page .books-next > p { margin-top: 24px; }
.books-page .books-next nav { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 24px; }
.books-page .books-next nav a { display: inline-flex; align-items: center; min-height: 48px; }
.books-page .books-primary, .books-page .books-amazon-cta { padding: 12px 24px; min-height: 48px; background: #102c3d; color: #fffcf5; border-radius: 4px; text-align: center; justify-content: center; }
.books-page .books-primary:hover { background: #243a4a; color: #fffcf5; }
.books-page .books-editorial { margin-block: 32px 64px; font-size: 16px; color: #5c5c5c; }
.books-page .books-editorial p + p { margin-top: 16px; }
.books-page .books-editorial > a { margin-top: 12px; }
@media (max-width: 47.99em) {
 .books-page main { padding-inline: 16px; }
 .books-page .books-hero { padding-block: 32px; }
 .books-page h1 { font-size: 30px; }
 .books-page main h2 { font-size: 24px; }
 .books-page main h3 { font-size: 21px; }
 .books-page .books-hero__heading { gap: 12px; }
 .books-page .books-lead, .books-page .books-category__intro, .books-page .book-entry__intro, .books-page .books-next > p, .books-page .yasuko-guide__message { font-size: 16px; }
 .books-page .books-category, .books-page .books-next { margin-top: 48px; }
 .books-page .book-entry { padding: 24px 16px; }
 .books-page .book-bibliography > div { display: block; }
 .books-page .book-bibliography dd { margin-top: 4px; }
 .books-page .yasuko-guide { grid-template-columns: 48px minmax(0, 1fr); align-items: center; gap: 12px; }
 .books-page .yasuko-guide[data-display="bridge"] { --yasuko-portrait-width: 72px; grid-template-columns: 72px minmax(0, 1fr); }
 .books-page .yasuko-guide__portrait { grid-column: 1; grid-row: 1; }
 .books-page .yasuko-guide__body { display: contents; }
 .books-page .yasuko-guide__name { grid-column: 2; grid-row: 1; margin: 0; }
 .books-page .yasuko-guide__message { grid-column: 1 / -1; }
 .books-page .book-links, .books-page .books-next nav { align-items: stretch; flex-direction: column; }
 .books-page .book-links a { align-self: flex-start; }
 .books-page .books-primary { width: 100%; }
}

/* Books cover / intro enhancement. Cover artwork is supplied with publisher permission. */
.books-page .books-intro { margin: 32px 0 0; padding-block: 24px 0; border-left: 0; border-top: 1px solid #b79243; padding-left: 0; align-items: start; }
.books-page .books-intro[data-display="bridge"] { --yasuko-portrait-width: 112px; gap: 24px; }
.books-page .books-intro h2 { margin-block: 8px 16px; font-size: 23px; }
.books-page .books-intro .yasuko-guide__message + .yasuko-guide__message { margin-top: 16px; }
.books-page .book-entry--with-cover { display: grid; grid-template-columns: 24% minmax(0, 1fr); gap: 24px; align-items: start; }
.books-page .book-entry__body { min-width: 0; }
.books-page .book-covers { display: grid; gap: 20px; align-items: start; }
.books-page .book-covers img { display: block; width: 100%; height: auto; box-shadow: 0 2px 6px rgb(16 44 61 / 9%); }
@media (max-width: 47.99em) {
 .books-page .books-intro[data-display="bridge"] { --yasuko-portrait-width: 88px; grid-template-columns: 88px minmax(0, 1fr); gap: 16px; align-items: center; }
 .books-page .books-intro h2 { grid-column: 1 / -1; margin-block: 0; font-size: 21px; }
 .books-page .book-entry--with-cover { display: block; }
 .books-page .book-covers { grid-template-columns: repeat(2, minmax(0, 1fr)); width: 90%; gap: 16px; margin: 0 0 24px; }
}