/* B1: scoped presentation. Native site typography and WooCommerce data stay intact. */
.yn1bs{--bs-ink:#173653;--bs-muted:#536f86;--bs-blue:#d6eaf5;--bs-pale:#f1f7fb;--bs-line:#bdd1e0;--bs-accent:#205a82;--bs-dark:#0b2747;color:var(--bs-ink);font:17px/1.7 Arial,Helvetica,sans-serif;background:#fff;overflow-wrap:break-word}
.yn1bs *{box-sizing:border-box}.yn1bs [hidden]{display:none!important}.yn1bs a{color:inherit}.yn1bs img{display:block;max-width:100%;height:auto}.yn1bs figure{margin:0}.yn1bs button,.yn1bs input{font:inherit}
.yn1bs :is(a,button,input,summary):focus-visible{outline:3px solid #287eb8;outline-offset:5px}.yn1bs h1,.yn1bs h2,.yn1bs h3{font-family:Arial,Helvetica,sans-serif;font-weight:750;line-height:1.13;letter-spacing:-.035em;color:var(--bs-ink);margin:0}.yn1bs h1{font-size:clamp(38px,4.6vw,65px)}.yn1bs h2{font-size:clamp(30px,3.1vw,43px)}.yn1bs h3{font-size:24px;line-height:1.25}.yn1bs p{margin:0 0 1.1em}.yn1bs p:last-child{margin-bottom:0}
.yn1bs-wrap{width:min(1240px,calc(100% - 80px));margin-inline:auto}.yn1bs-section{padding:76px 0}.yn1bs-kicker{display:block;font-size:11px;font-weight:750;line-height:1.5;text-transform:uppercase;letter-spacing:.16em;color:#426883;margin-bottom:19px}.yn1bs-muted{color:var(--bs-muted)}.yn1bs-lead{font-size:21px;line-height:1.65;color:#365975;max-width:65ch}.yn1bs-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 23px;margin-top:28px}.yn1bs-btn{display:inline-flex;align-items:center;justify-content:space-between;gap:22px;min-height:50px;padding:12px 21px;background:var(--bs-dark);color:#fff!important;text-decoration:none;border:1px solid var(--bs-dark);font-size:13px;font-weight:700;line-height:1.4;border-radius:3px}.yn1bs-btn:hover{background:#1a4d76;color:#fff!important}.yn1bs-btn span[aria-hidden]{font-size:19px}.yn1bs-btn-light{background:#fff;color:var(--bs-ink)!important;border-color:#94b5cc}.yn1bs-btn-light:hover{background:#e2eef6;color:var(--bs-ink)!important}.yn1bs-link{display:inline-flex;align-items:center;gap:18px;min-height:44px;border-bottom:1px solid #5e809a;text-decoration:none;font-size:13px;font-weight:700}.yn1bs-link:hover{color:#246d9d}.yn1bs-meta{font-size:12px;color:#5a7387;line-height:1.6}.yn1bs-status{display:inline-flex;align-items:center;gap:8px;min-height:28px;padding:4px 10px;background:#e9f2f8;border:1px solid #c1d5e3;font-size:11px;font-weight:700;letter-spacing:.03em;color:#476981;border-radius:3px}.yn1bs-status::before{content:'';width:5px;height:5px;background:#759fb8;border-radius:50%}
.yn1bs-home{background:var(--bs-pale);border-top:1px solid var(--bs-line);border-bottom:1px solid var(--bs-line)}.yn1bs-home-grid{display:grid;grid-template-columns:.78fr 1.22fr;align-items:center;gap:80px}.yn1bs-home-copy h2{max-width:620px;margin-bottom:25px}.yn1bs-home-copy .yn1bs-description{font-size:17px;line-height:1.8;color:#44647e;max-width:65ch}.yn1bs-brand-art{position:relative;display:flex;flex-direction:column;justify-content:space-between;min-height:390px;max-width:380px;background:var(--bs-blue);color:var(--bs-ink);padding:35px 34px;border:1px solid #9bbcd3;box-shadow:13px 13px 0 #e4eff6}.yn1bs-brand-art::before{content:'';position:absolute;right:24px;top:26px;bottom:26px;width:1px;background:#91b4cf}.yn1bs-brand-top{font-size:10px;text-transform:uppercase;letter-spacing:.15em;line-height:1.7;padding-right:16px}.yn1bs-brand-name{display:block;font-size:clamp(43px,4vw,63px);font-weight:800;line-height:1;letter-spacing:-.055em;margin-top:42px}.yn1bs-brand-title{display:block;font-size:25px;font-weight:700;line-height:1.15;letter-spacing:-.03em;margin-top:12px;max-width:230px}.yn1bs-brand-baseline{font-size:13px;font-weight:700;letter-spacing:.035em;line-height:1.65;border-top:1px solid #9dbcd1;margin-top:40px;padding-top:20px}.yn1bs-brand-note{display:flex;align-items:center;justify-content:space-between;margin-top:23px;font-size:10px;letter-spacing:.1em;line-height:1.5;text-transform:uppercase}.yn1bs-brand-mark{font-size:30px;font-weight:400;line-height:1}.yn1bs-brand-caption{margin-top:29px!important;font-size:11px;color:#68849a;max-width:380px}
.yn1bs-book-hero{background:linear-gradient(90deg,#f5f9fc 0,#f5f9fc 63%,#e5f0f7 63%)}.yn1bs-book-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:90px;align-items:center}.yn1bs-book-copy .yn1bs-kicker{margin-bottom:16px}.yn1bs-book-copy h1{max-width:700px;margin-bottom:17px}.yn1bs-book-subtitle{font-size:22px;color:#416681;line-height:1.5;font-weight:600;margin-bottom:27px!important}.yn1bs-book-copy .yn1bs-description{font-size:18px;line-height:1.8;max-width:67ch;color:#42627b}.yn1bs-book-grid .yn1bs-brand-art{min-height:440px;max-width:340px;box-shadow:14px 14px 0 #d7e7f2}.yn1bs-book-bottom{display:flex;gap:25px;align-items:center;flex-wrap:wrap;margin-top:24px}.yn1bs-book-bridge{background:#fff;padding:38px 0}.yn1bs-bridge-row{display:grid;grid-template-columns:1fr 1fr;gap:55px}.yn1bs-bridge-row>div{display:flex;align-items:center;gap:25px}.yn1bs-bridge-row>div+div{border-left:1px solid var(--bs-line);padding-left:45px}.yn1bs-bridge-row h2{font-size:22px;margin-bottom:7px}.yn1bs-bridge-row p{font-size:14px;color:#5b758b;line-height:1.7}.yn1bs-bridge-row img{width:92px;height:92px;object-fit:contain;flex:none}.yn1bs-format{width:90px;height:90px;border:1px solid #a7c3d8;background:#eaf3f9;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;flex:none}
.yn1bs-private-banner{background:#f0e9d9;color:#5f4d2a;padding:12px 24px;border-bottom:1px solid #d5c4a1;font-size:12px;text-align:center}.yn1bs-private-banner strong{letter-spacing:.06em}.yn1bs-campaign-intro{background:#dbeaf4}.yn1bs-campaign-intro .yn1bs-book-copy h1{max-width:800px}.yn1bs-campaign-strapline{font-family:Georgia,'Times New Roman',serif;font-size:clamp(26px,2.8vw,37px);line-height:1.4;max-width:790px;color:#466981;margin-top:23px!important}.yn1bs-campaign-index{display:flex;flex-wrap:wrap;gap:16px 30px;padding-top:30px;margin-top:38px;border-top:1px solid #aec6d9}.yn1bs-campaign-index a{font-size:12px;font-weight:700;text-decoration:none;display:flex;align-items:center;gap:10px;min-height:32px}.yn1bs-campaign-index span{font-size:11px;font-weight:500;color:#688398}.yn1bs-section-heading{display:flex;align-items:end;justify-content:space-between;gap:45px;margin-bottom:33px}.yn1bs-section-heading p{max-width:430px;color:#526e85;font-size:16px;line-height:1.75}.yn1bs-video{background:#091d33;padding:10px;border:1px solid #809fb8}.yn1bs-video video{display:block;width:100%;height:auto;aspect-ratio:16/9;max-height:640px;background:#07182b}.yn1bs-video figcaption{font-size:11px;line-height:1.6;padding:15px 10px 6px;color:#bed0df}.yn1bs-three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px;margin-top:35px}.yn1bs-three>article{border-top:2px solid #a7c5da;padding-top:25px}.yn1bs-three .yn1bs-step{font-size:12px;letter-spacing:.05em;color:#7194ad}.yn1bs-three h3{margin:14px 0 17px}.yn1bs-three p{font-size:16px;line-height:1.75;color:#58738a}.yn1bs-three .yn1bs-meta{font-size:12px}
.yn1bs-impulses{background:#f2f7fa;border-top:1px solid #d0e0eb;border-bottom:1px solid #d0e0eb}.yn1bs-ad-list{border-top:2px solid #4e7e9f}.yn1bs-ad{border-bottom:1px solid #bcd0df;background:white}.yn1bs-ad>summary{display:grid;grid-template-columns:43px minmax(0,1fr) 26px;gap:24px;align-items:center;cursor:pointer;list-style:none;padding:24px 25px}.yn1bs-ad>summary::-webkit-details-marker{display:none}.yn1bs-ad-num{font-size:12px;color:#7894a9;align-self:start;margin-top:6px}.yn1bs-ad-heading{font-size:23px;line-height:1.3;letter-spacing:-.02em;font-weight:700;max-width:900px}.yn1bs-ad-plus{font-size:25px;line-height:1;color:#6488a2}.yn1bs-ad[open]>summary{background:#e6f0f7}.yn1bs-ad[open] .yn1bs-ad-plus{transform:rotate(45deg)}.yn1bs-ad-body{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:55px;padding:32px 35px 37px 92px}.yn1bs-ad-prose p{font-size:17px;line-height:1.85;color:#385a74}.yn1bs-ad-prose p:last-of-type{border-top:1px solid #ccdce7;padding-top:20px;margin-top:22px;color:#153f60;font-weight:600}.yn1bs-ad-short{background:#f0f6fa;align-self:start;padding:24px;border-top:2px solid #abc8dc}.yn1bs-ad-short .yn1bs-kicker{font-size:10px;margin-bottom:14px}.yn1bs-ad-short p{font-family:Georgia,'Times New Roman',serif;font-size:20px;line-height:1.6;color:#4f6f88}.yn1bs-topics-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:23px}.yn1bs-topic{padding:25px;background:#f2f7fb;border:1px solid #c9dce8}.yn1bs-topic h3{font-size:19px;letter-spacing:-.015em;margin-bottom:15px}.yn1bs-topic p{font-size:14px;line-height:1.8;color:#547289}.yn1bs-keywords{margin-top:30px;border:1px solid #bfd3e1;background:white}.yn1bs-keywords>summary{cursor:pointer;list-style:none;font-size:15px;font-weight:700;padding:19px 22px;display:flex;justify-content:space-between;gap:22px;align-items:center;min-height:58px}.yn1bs-keywords>summary::-webkit-details-marker{display:none}.yn1bs-keywords>summary span{font-size:23px;color:#7294ad}.yn1bs-keywords[open]>summary{background:#e8f1f7;border-bottom:1px solid #c7dae6}.yn1bs-keyword-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));padding:22px;gap:8px 15px}.yn1bs-keyword{font-size:12px;line-height:1.5;padding:6px 7px;color:#47667e}.yn1bs-keyword-plan{background:#cbe5f3;color:#204960;font-weight:700;border-radius:3px}.yn1bs-original-board{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #c8dbe8;padding:18px 23px}.yn1bs-original-board p{font-size:12px;color:#6c8294;margin:0}.yn1bs-plan-band{background:#e5eff6}.yn1bs-plan-grid{display:grid;grid-template-columns:230px minmax(0,1fr);gap:65px;align-items:center}.yn1bs-plan-art{padding:22px;border-radius:50%;background:#f6fafd;border:1px solid #acc8dd;position:relative}.yn1bs-plan-art img{width:100%;border-radius:50%}.yn1bs-plan-grid h2{max-width:750px;margin-bottom:22px}.yn1bs-plan-grid p{color:#496b84;max-width:70ch;line-height:1.8}
.yn1bs-shop-title{padding:47px 0 32px;border-bottom:1px solid #d2e1eb;background:#fff}.yn1bs-shop-title h1{font-size:clamp(37px,3.6vw,52px)}.yn1bs-shop-title p{font-size:17px;color:#5c768c;margin-top:20px;max-width:680px}.yn1bs-shop-feature{background:#e2eff7;padding:53px 0;border-bottom:1px solid #c4d9e7}.yn1bs-shop-feature-grid{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:80px}.yn1bs-shop-feature h2{font-size:clamp(32px,3.2vw,45px);max-width:640px;margin-bottom:23px}.yn1bs-shop-feature .yn1bs-kicker{margin-bottom:14px}.yn1bs-shop-feature p{font-size:17px;color:#4b6e88;max-width:59ch}.yn1bs-ebook-art{position:relative;max-width:360px;margin:auto;width:100%;padding:20px 25px 16px;background:#aecfe4;border-radius:9px;box-shadow:18px 18px 0 #cbe1ef;transform:rotate(2deg);border:1px solid #91b8d3}.yn1bs-ebook-art::before{content:'';display:block;height:4px;width:4px;border-radius:50%;margin:0 auto 14px;background:#6894b2}.yn1bs-ebook-screen{background:#f8fbfd;min-height:330px;padding:25px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid #a5c4d9}.yn1bs-ebook-word{font-size:10px;letter-spacing:.18em;color:#65869f}.yn1bs-ebook-name{font-size:44px;line-height:1;font-weight:800;letter-spacing:-.06em;margin-top:40px}.yn1bs-ebook-title{font-size:22px;line-height:1.15;font-weight:700;max-width:200px;margin-top:12px}.yn1bs-ebook-bottom{font-size:11px;color:#6a8ca4;border-top:1px solid #c2d9e9;padding-top:16px;margin-top:38px}.yn1bs-ebook-art::after{content:'';display:block;width:32px;height:3px;background:#80a9c4;border-radius:3px;margin:14px auto 0}.yn1bs-catalog{padding-top:57px;padding-bottom:70px}.yn1bs-catalog-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:30px}.yn1bs-catalog-heading h2{font-size:32px}.yn1bs-catalog-heading p{font-size:15px;color:#698197;max-width:430px}.yn1bs-category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:25px}.yn1bs-category{border:1px solid #cadce8;background:#fff;display:flex;flex-direction:column;overflow:hidden}.yn1bs-category-visual{min-height:200px;aspect-ratio:1.12;background:#edf4f8;display:flex;align-items:center;justify-content:center;border-bottom:1px solid #d9e5ed;padding:20px}.yn1bs-category-visual img{width:auto;max-width:100%;height:180px;object-fit:contain;mix-blend-mode:multiply}.yn1bs-category-copy{padding:21px}.yn1bs-category-copy .yn1bs-kicker{font-size:9px;margin-bottom:9px}.yn1bs-category-copy h3{font-size:21px;line-height:1.25;margin-bottom:12px}.yn1bs-category-copy p{font-size:13px;color:#6a8295}.yn1bs-category-copy .yn1bs-link{font-size:12px;line-height:1.5;min-height:40px}.yn1bs-shop-native{margin-top:30px}.yn1bs-shop-native .products{list-style:none;padding:0}.yn1bs-shop-native .woocommerce-message,.yn1bs-shop-native .woocommerce-info{color:var(--bs-ink)}
@media(max-width:1050px){.yn1bs-home-grid{gap:48px;grid-template-columns:.8fr 1.2fr}.yn1bs-book-grid{gap:45px;grid-template-columns:1.2fr .8fr}.yn1bs-brand-art{padding:29px;min-height:360px}.yn1bs-brand-name{font-size:49px}.yn1bs-book-grid .yn1bs-brand-art{min-height:400px}.yn1bs-ad-body{grid-template-columns:minmax(0,1fr);gap:23px}.yn1bs-ad-short{max-width:670px}.yn1bs-category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.yn1bs-shop-feature-grid{gap:50px}.yn1bs-keyword-list{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:760px){.yn1bs{font-size:16px}.yn1bs-wrap{width:min(100% - 38px,620px)}.yn1bs-section{padding:47px 0}.yn1bs-kicker{font-size:10px;letter-spacing:.13em}.yn1bs-home-grid,.yn1bs-book-grid,.yn1bs-shop-feature-grid{grid-template-columns:minmax(0,1fr);gap:36px}.yn1bs-home-copy{grid-row:1}.yn1bs-home-copy .yn1bs-description,.yn1bs-book-copy .yn1bs-description{font-size:16px;line-height:1.85}.yn1bs-home-grid>figure,.yn1bs-book-grid>figure{width:100%;max-width:380px;margin:auto}.yn1bs-brand-art{min-height:340px;max-width:none;padding:30px}.yn1bs-brand-name{font-size:59px;margin-top:32px}.yn1bs-brand-title{font-size:25px}.yn1bs-brand-baseline{margin-top:30px}.yn1bs-brand-note{margin-top:19px}.yn1bs-book-hero{background:#f0f7fb}.yn1bs-book-grid .yn1bs-brand-art{min-height:360px;max-width:none}.yn1bs-book-subtitle{font-size:20px;margin-bottom:23px!important}.yn1bs-bridge-row{grid-template-columns:minmax(0,1fr);gap:28px}.yn1bs-bridge-row>div+div{border-left:0;border-top:1px solid var(--bs-line);padding-left:0;padding-top:28px}.yn1bs-bridge-row>div{gap:20px;align-items:flex-start}.yn1bs-bridge-row img,.yn1bs-format{width:75px;height:75px}.yn1bs-format{font-size:14px}.yn1bs-bridge-row h2{font-size:20px}.yn1bs-bridge-row .yn1bs-link{font-size:12px}.yn1bs-private-banner{font-size:11px;text-align:left;padding:13px 19px}.yn1bs-campaign-index{gap:10px 20px;margin-top:28px;padding-top:22px}.yn1bs-campaign-index a{font-size:11px}.yn1bs-section-heading{display:block;margin-bottom:26px}.yn1bs-section-heading p{margin-top:20px;max-width:none;font-size:15px}.yn1bs-three{grid-template-columns:minmax(0,1fr);gap:27px;margin-top:28px}.yn1bs-three>article{padding-top:20px}.yn1bs-three p{font-size:16px}.yn1bs-ad>summary{grid-template-columns:23px minmax(0,1fr) 18px;gap:11px;padding:20px 15px}.yn1bs-ad-heading{font-size:20px;line-height:1.35}.yn1bs-ad-num{font-size:10px;margin-top:4px}.yn1bs-ad-plus{font-size:22px}.yn1bs-ad-body{padding:23px 19px;gap:25px}.yn1bs-ad-prose p{font-size:16px;line-height:1.85}.yn1bs-ad-short{padding:21px}.yn1bs-ad-short p{font-size:20px}.yn1bs-topics-grid{grid-template-columns:1fr 1fr;gap:13px}.yn1bs-topic{padding:19px 17px}.yn1bs-topic h3{font-size:17px}.yn1bs-topic p{font-size:13px}.yn1bs-keyword-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 9px;padding:15px}.yn1bs-keyword{font-size:11px;padding:5px}.yn1bs-original-board{display:block;padding:18px}.yn1bs-original-board p{margin-bottom:12px}.yn1bs-keywords>summary{font-size:13px;padding:16px 17px}.yn1bs-plan-grid{grid-template-columns:minmax(0,1fr);gap:29px}.yn1bs-plan-art{max-width:180px;margin:auto;padding:15px}.yn1bs-plan-grid h2{font-size:32px}.yn1bs-shop-title{padding:37px 0 27px}.yn1bs-shop-title p{font-size:16px}.yn1bs-shop-feature{padding:40px 0 50px}.yn1bs-shop-feature h2{font-size:34px}.yn1bs-shop-feature p{font-size:16px}.yn1bs-ebook-art{max-width:300px;box-shadow:11px 11px 0 #cbe1ef}.yn1bs-ebook-screen{min-height:300px;padding:24px}.yn1bs-ebook-name{font-size:43px}.yn1bs-ebook-title{font-size:22px}.yn1bs-catalog{padding:39px 0 50px}.yn1bs-catalog-heading{display:block}.yn1bs-catalog-heading p{margin-top:17px;font-size:14px}.yn1bs-category-grid{grid-template-columns:1fr 1fr;gap:14px}.yn1bs-category-visual{padding:13px;min-height:140px;aspect-ratio:1}.yn1bs-category-visual img{height:130px}.yn1bs-category-copy{padding:16px 13px}.yn1bs-category-copy h3{font-size:18px}.yn1bs-category-copy .yn1bs-link{font-size:11px;gap:10px}.yn1bs-category-copy .yn1bs-kicker{font-size:8px}.yn1bs-category-copy p{font-size:12px}}
@media(max-width:380px){.yn1bs-wrap{width:calc(100% - 30px)}.yn1bs h1{font-size:35px}.yn1bs-brand-name{font-size:51px}.yn1bs-btn{padding:12px 17px;font-size:12px}.yn1bs-topics-grid{grid-template-columns:minmax(0,1fr)}.yn1bs-category-grid{gap:11px}.yn1bs-category-copy h3{font-size:17px}.yn1bs-category-visual img{height:112px}.yn1bs-category-visual{min-height:122px}}
@media(prefers-reduced-motion:reduce){.yn1bs *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}