/* v31 — verified 2026 textbook ranking and documentary screenshots */
.hero-rank-proof{display:block;width:fit-content;max-width:100%;margin:18px 0 0;padding:13px 16px;border-left:3px solid #a1803b;background:#fcf8ef;color:#493b24;text-decoration:none}
.hero-rank-proof>span,.hero-rank-proof strong,.hero-rank-proof small{display:block}
.hero-rank-proof>span{font-size:12px;letter-spacing:.08em}
.hero-rank-proof strong{font-size:16px;line-height:1.6}.hero-rank-proof b{font-family:Georgia,serif;font-size:25px;color:#8a692b;white-space:nowrap}
.hero-rank-proof small{font-size:12px;line-height:1.7;margin-top:4px}
.hero-rank-proof:hover{background:#f3ead8}
.rank-proof{margin-bottom:76px;border:1px solid #cfbb90;background:#fcf8ee;padding:38px 42px;color:#352e24}
.rank-proof-top{display:grid;grid-template-columns:.8fr 1.4fr;gap:48px;align-items:center}
.rank-medal{text-align:center;padding:16px 12px;border-block:1px solid #bda570;color:#856526}
.rank-medal>p{font-size:18px;line-height:1.6;margin:0}.rank-medal>p:last-child{font-size:14px;letter-spacing:.12em}
.readable .rank-medal h2{font-family:Georgia,'Times New Roman',serif;font-size:72px;line-height:1.05;letter-spacing:-.06em;margin:7px 0 13px;font-weight:400;color:#856526}
.readable .rank-medal h2>span{font-size:128px;display:inline;letter-spacing:-.05em}
.rank-kicker{font-size:15px;line-height:1.8;letter-spacing:.06em;font-weight:700;color:#806128;margin:0 0 10px}
.readable .rank-message h3{font-family:var(--serif);font-weight:500;font-size:30px;line-height:1.7;margin:0 0 18px;letter-spacing:.02em}
.rank-message h3>span{display:block}.rank-message>p:not(.rank-kicker){font-size:16px;line-height:1.9;margin-bottom:16px}
.readable .rank-proof .rank-scope,.readable .rank-proof .rank-source-note{font-size:14px!important;line-height:1.9!important;color:#655b49}
.rank-scope{border-top:1px solid #d8caae;margin:28px 0 22px;padding-top:21px}
.rank-featured{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.rank-evidence-card{margin:0;background:white;border:1px solid #e0d8c8;min-width:0}
.rank-evidence-card>a{display:block;text-decoration:none;color:#635039;padding:10px;outline-offset:3px}
.rank-evidence-card img{display:block;width:100%;height:auto;aspect-ratio:3.5;object-fit:contain;background:#fff}
.rank-image-expand{display:block;font-size:12px;margin-top:8px;text-align:center}
.rank-evidence-card figcaption{padding:11px 12px 13px;border-top:1px solid #eee6d7;display:grid;gap:4px;font-size:14px}
.rank-evidence-card time{font-weight:700}.rank-evidence-card time>span{font-size:12px;font-weight:400;color:#7e7465;margin-left:5px}
.rank-evidence-card figcaption>strong{font-size:12px;font-weight:500;color:#855f20}
.rank-source-note{margin:20px 0 0}.rank-proof a:focus-visible{outline:3px solid #315b7b}
.rank-evidence-page{margin:0;padding:0;background:#faf7f0;color:#322e27;font:16px/1.9 -apple-system,BlinkMacSystemFont,'Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif}
.evidence-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px max(24px,calc((100vw - 1160px)/2));background:white;border-bottom:1px solid #ddd3c1}
.evidence-header img{width:200px;height:auto}.evidence-header>a:last-child{font-size:14px;color:#68482d}
.evidence-main{max-width:1160px;margin:auto;padding:56px 24px}
.evidence-intro{text-align:center;padding:10px 0 35px}
.evidence-intro h1{font-family:Georgia,'Yu Mincho',serif;font-size:42px;line-height:1.6;font-weight:500;color:#7e6028;margin:14px 0 24px}.evidence-intro h1>span{display:block}
.evidence-lead{font-size:21px;line-height:1.8}.evidence-facts{background:white;border:1px solid #ddd3c1;padding:10px 30px;margin:0 0 22px}
.evidence-facts>div{display:grid;grid-template-columns:150px 1fr;gap:25px;padding:19px 0;border-bottom:1px solid #eee8dd}.evidence-facts>div:last-child{border:0}.evidence-facts dt{font-weight:700;color:#7a6132}.evidence-facts dd{margin:0}.evidence-facts a,.evidence-method a{color:#315b7b;text-decoration:underline;text-underline-offset:4px}
.evidence-method{border:1px solid #ddd3c1;padding:16px 24px;background:white}.evidence-method summary{cursor:pointer;font-weight:600}.evidence-method p{font-size:14px;line-height:1.9}
.evidence-month-nav{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin:42px 0 20px}.evidence-month-nav a{padding:10px 24px;border:1px solid #bfa574;background:white;border-radius:3px;font-size:16px;color:#705725}
.evidence-image-guide{text-align:center;font-size:14px;color:#726954}.evidence-month{margin-top:52px;scroll-margin-top:25px}.evidence-month h2{font:500 28px/1.7 'Yu Mincho',serif;border-bottom:1px solid #bfa574;padding-bottom:13px;margin-bottom:20px}.evidence-month h2>span{font:14px/1.7 sans-serif;color:#80735e;margin-left:16px;white-space:nowrap}
.evidence-month-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.evidence-month-grid .rank-evidence-card>a{padding:16px}.evidence-month-grid .rank-evidence-card figcaption{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;font-size:16px}.evidence-month-grid .rank-image-expand{font-size:14px}.evidence-month-grid .rank-evidence-card figcaption>strong{font-size:14px}
.evidence-footer{text-align:center;margin-top:60px;padding-top:30px;border-top:1px solid #ddd3c1}.evidence-footer p{font-size:14px;margin-top:24px}
@media(max-width:900px){.rank-proof{padding:30px 25px}.rank-proof-top{gap:28px}.readable .rank-message h3{font-size:25px}.rank-featured{grid-template-columns:repeat(2,minmax(0,1fr))}.evidence-header{padding-inline:24px}}
@media(max-width:600px){
 .hero-rank-proof{width:100%;padding:11px 13px}.hero-rank-proof strong{font-size:15px}.hero-rank-proof b{font-size:24px}
 .rank-proof{padding:26px 20px;margin-bottom:46px}.rank-proof-top{grid-template-columns:1fr;gap:26px}.rank-medal{padding:15px 0}.readable .rank-medal h2{font-size:62px}.readable .rank-medal h2>span{font-size:110px}.readable .rank-message h3{font-size:24px}.rank-kicker{font-size:14px}.rank-featured{gap:10px}.rank-evidence-card>a{padding:7px}.rank-evidence-card figcaption{padding:10px 8px}.rank-evidence-card time>span{display:block;margin-left:0}.rank-evidence-card .rank-image-expand{font-size:11px}.rank-source-note br,.rank-scope br{display:none}
 .evidence-header{padding:18px 16px}.evidence-header img{width:145px}.evidence-header>a:last-child{font-size:12px;max-width:100px}.evidence-main{padding:34px 18px}.evidence-intro h1{font-size:28px}.evidence-lead{font-size:18px}.evidence-intro>p br{display:none}.evidence-facts{padding:5px 18px}.evidence-facts>div{grid-template-columns:1fr;gap:6px}.evidence-method{padding:15px 18px}.evidence-month-nav{gap:10px}.evidence-month-nav a{padding:8px 17px}.evidence-month-grid{grid-template-columns:1fr;gap:16px}.evidence-month h2{font-size:24px}.evidence-month h2>span{font-size:13px;margin-left:8px}.evidence-month-grid .rank-evidence-card>a{padding:10px}.evidence-month-grid .rank-evidence-card figcaption{gap:8px;font-size:15px}.evidence-month-grid .rank-evidence-card time>span{display:inline;margin-left:5px}
}

.rank-message .rank-kicker>span,.rank-message>p>span{display:inline-block;white-space:nowrap}

.evidence-intro .evidence-lead>span{display:block}
.evidence-intro>p>span{display:inline-block;white-space:nowrap}
.evidence-header>a:last-child{white-space:nowrap}

/* v33: cover and 2027 release information precede the ranking evidence */
.textbook-intro { margin-bottom: 54px; }
.textbook-release { margin: 24px 0 25px; padding: 22px 24px; background: #eaf0f4; border-left: 4px solid var(--stage-first, #315b7b); }
.readable .textbook-release .release-edition { margin: 0 0 7px; color: #315b7b; font-size: 16px !important; font-weight: 700; }
.readable .textbook-release .release-date { margin: 0; font-family: var(--serif); font-size: clamp(24px, 2.3vw, 30px) !important; line-height: 1.55 !important; color: #244c69; }
.release-date > span { display: inline-block; white-space: nowrap; }
.release-date > span:last-child { margin-left: .4em; }
.readable .textbook-release .release-speed { margin: 11px 0 0; color: #456478; font-size: 14px !important; line-height: 1.8 !important; }
.release-speed > span { display: inline-block; white-space: nowrap; }
@media (max-width:600px) {
 .textbook-intro { margin-bottom: 36px; }
 .textbook-release { padding: 19px 18px; }
 .release-date > span { display: block; }
 .release-date > span:last-child { margin: 4px 0 0; font-size: 20px; }
}

/* Use the same typography layer as the general readability settings. */
@layer readable-type {
 .readable main .textbook-release p.release-date { font-size: clamp(24px, 2.3vw, 30px) !important; line-height: 1.55 !important; }
 .readable main .textbook-release p.release-speed { font-size: 14px !important; line-height: 1.8 !important; }
}

/* v35: bestseller proof alongside the textbook cover */
.book-stage-with-rank { min-height: 0; padding-bottom: 28px; }
.book-bestseller { display: block; width: 100%; max-width: 350px; margin-top: 22px; padding: 14px 16px 13px; color: #fffdf6; background: #765b2d; border: 1px solid #765b2d; text-align: center; text-decoration: none; }
.book-bestseller-main { display: flex; align-items: center; justify-content: center; gap: 22px; }
.book-bestseller-title { display: block; font-size: 18px; line-height: 1.5; letter-spacing: .03em; text-align: left; }
.book-bestseller-title > span { display: block; font-size: 16px; }
.book-bestseller-main > strong { font: 38px/1 Georgia, 'Times New Roman', serif; letter-spacing: -.04em; white-space: nowrap; }
.book-bestseller-main b { font-size: 64px; font-weight: 400; }
.book-bestseller-category { display: block; margin-top: 9px; font-size: 14px; line-height: 1.7; }
.book-bestseller-period { display: block; margin-top: 6px; font-size: 14px; line-height: 1.7; }
.book-bestseller-link { display: block; margin-top: 7px; padding-top: 7px; border-top: 1px solid #ffffff55; font-size: 14px; line-height: 1.6; text-decoration: underline; text-underline-offset: 3px; }
.book-bestseller:hover { background: #654b24; }
.book-bestseller:focus-visible { outline: 3px solid #315b7b; outline-offset: 4px; }
.book-stage-with-rank .book-year { position: static; margin-top: 29px; font-size: 28px; line-height: 1.4; }
.book-stage-with-rank .book-year br { display: none; }
.book-stage-with-rank .book-year > span { margin-left: 8px; }
@media (max-width:600px) {
 .book-stage-with-rank { padding: 25px 18px 28px; }
 .book-bestseller { margin-top: 20px; padding: 13px 10px 12px; }
 .book-bestseller-main { gap: 20px; }
 .book-bestseller-period { max-width: 230px; margin-inline: auto; }
 .book-stage-with-rank .book-year { margin-top: 25px; font-size: 25px; }
}

.book-bestseller-category > span { display: inline-block; white-space: nowrap; }
.book-bestseller-period > span { display: block; white-space: nowrap; }