*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:70px}body{--paper:#f7f6f0;--ink:#303e34;--muted:#526451;--accent:#85652f;--pale:#e9ede4;--line:#d5d9ce;--deep:#334b3c;margin:0;background:var(--paper);color:var(--ink);font:16px/1.85 -apple-system,BlinkMacSystemFont,'Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif}a{color:inherit;text-underline-offset:5px}a:hover{color:var(--accent)}a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}img{max-width:100%;display:block;object-fit:cover}figure{margin:0}p{margin:0 0 16px}h1,h2,h3{font-family:'Yu Mincho','Hiragino Mincho ProN',serif;font-weight:500;margin:0 0 18px;line-height:1.5;overflow-wrap:anywhere}h1{font-size:clamp(30px,3vw,44px)}h2{font-size:30px}h3{font-size:21px}em{font-style:normal;color:var(--accent)}small,figcaption,time,.ot-eyebrow,.ot-kicker{font-size:14px}figcaption{margin-top:10px;color:var(--muted)}.ot-eyebrow,.ot-kicker{font-weight:600;letter-spacing:.12em;color:var(--accent);margin-bottom:14px}.ot-container{width:min(1160px,calc(100% - 72px));margin:auto}section{scroll-margin-top:90px}.review-bar{background:#24382c;color:white;display:flex;align-items:center;gap:26px;flex-wrap:wrap;padding:9px 30px;font-size:14px;line-height:1.6}.review-bar>a{text-decoration:none}.review-bar div{display:flex;gap:6px}.review-bar div a{padding:3px 12px;text-decoration:none;border:1px solid #b7c5b6}.review-bar [aria-current]{background:#f6e8c9;color:#293e31}.review-bar>span{margin-left:auto}.review-bar a:hover{color:#eddbad}.site-header{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:24px 0;width:min(1280px,calc(100% - 72px));margin:auto;border-bottom:1px solid var(--line);position:relative;z-index:20}.brand,.ot-brand{font:600 25px/1.4 'Yu Mincho',serif;text-decoration:none;letter-spacing:.09em}.brand small,.ot-brand small{display:block;font:11px/1.8 sans-serif;letter-spacing:.17em}.quick-nav{display:flex;gap:28px;margin-left:auto;font-size:14px}.quick-nav a{text-decoration:none}.site-menu>summary{min-height:44px;padding:9px 18px;border:1px solid var(--line);cursor:pointer;font-size:14px;list-style:none}.site-menu>summary::after{content:' ＋'}.site-menu[open]>summary::after{content:' −'}.site-menu nav{position:absolute;right:0;top:88px;padding:25px;background:var(--paper);box-shadow:0 10px 35px #20352722;border:1px solid var(--line);width:min(580px,calc(100vw - 36px))}.site-menu ul{display:grid;grid-template-columns:1fr 1fr;gap:0 24px;margin:0;padding:0;list-style:none}.site-menu a{display:block;font-size:15px;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none}.ot-buttons{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.ot-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 20px;font-size:14px;line-height:1.6;border:1px solid var(--muted);text-decoration:none}.ot-btn.gold{background:var(--deep);color:#fff;border-color:var(--deep)}.ot-btn:hover{filter:brightness(.92)}.ot-arrow-link{display:inline-block;min-height:44px;padding:10px 0;color:var(--accent);font-size:15px;text-decoration:none;border-bottom:1px solid var(--line)}
/* A: calm, moderately compact classic composition. */
.ot-hero{width:min(1280px,calc(100% - 72px));margin:28px auto 0;display:grid;grid-template-columns:1.05fr 1fr;position:relative;background:var(--pale)}.ot-hero>.ot-container{width:auto;margin:0;display:flex;align-items:center;padding:42px 38px}.ot-hero h1 span,.ot-hero h1 em{display:block}.ot-hero h1{letter-spacing:0}.ot-hero-copy p{max-width:38em}.hero-photo{grid-column:2;grid-row:1}.hero-photo img{height:100%;width:100%;min-height:420px;object-position:65% center}.ot-hero-proof{grid-column:1/-1;grid-row:2;display:flex;align-items:center;justify-content:center;gap:18px;border-top:1px solid var(--line);background:var(--paper);padding:15px 20px;font-size:14px}.ot-hero-proof span{color:var(--accent);font-size:12px;letter-spacing:.08em}.ot-hero-proof strong{font-weight:500;margin-right:25px}.ot-online-entry{padding:24px 0}.ot-online-entry-card{display:flex;align-items:center;justify-content:space-between;gap:28px;text-decoration:none;border-block:1px solid var(--line);padding:18px 0}.ot-online-entry-copy{display:grid;grid-template-columns:1fr auto;gap:0 22px;flex:1;align-items:center}.ot-online-entry .ot-eyebrow{display:none}.ot-online-entry h2{font-size:23px;margin-bottom:4px}.ot-online-entry p{font-size:14px;margin:0;grid-column:1}.ot-online-entry .ot-btn{grid-column:2;grid-row:1/3}.ot-online-entry img{width:170px;height:86px;object-fit:contain;order:-1}.ot-manifesto{padding:40px 0 48px}.ot-manifesto-grid{display:grid;grid-template-columns:.8fr 1.3fr;gap:65px}.ot-manifesto h2{font-size:32px;line-height:1.65}.ot-manifesto h2 span{display:block}.ot-manifesto h2 span:nth-child(2){white-space:nowrap}.ot-lead-v3{font:500 21px/1.65 'Yu Mincho',serif}.journal{padding:32px 0;background:var(--pale);border-block:1px solid var(--line)}.journal-grid{display:grid;grid-template-columns:.8fr 1.3fr;gap:65px;align-items:center}.journal h2{font-size:26px;margin-bottom:8px}.journal p{font-size:15px;margin-bottom:4px}.journal-article{display:grid;grid-template-columns:100px 1fr;gap:22px;align-items:center;text-decoration:none}.journal-article img{width:100px;height:125px;object-fit:contain}.journal h3{font-size:20px;margin:7px 0}.journal time,.journal span{font-size:14px;color:var(--muted)}.ot-origin-chain{padding:42px 0}.ot-origin-chain .ot-container{display:grid;grid-template-columns:.8fr 1.3fr;gap:0 65px}.ot-origin-chain .ot-eyebrow{grid-column:1}.ot-origin-quote{grid-column:1;grid-row:2/4;font:500 26px/1.6 'Yu Mincho',serif}.ot-chain{grid-column:2;grid-row:1/3;display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.ot-chain span{font-size:16px;font-weight:600}.ot-chain i::after{content:'›';font-style:normal;color:var(--accent)}.ot-origin-chain p:last-child{grid-column:2;margin:0}.ot-feature{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;width:min(1160px,calc(100% - 72px));margin:auto;padding:36px 0;border-top:1px solid var(--line)}.ot-feature.reverse .ot-feature-copy{order:2}.ot-feature img{width:100%;height:340px}.ot-feature h2{font-size:29px}.ot-feature p:last-of-type{margin-bottom:8px}.ot-section-head{display:grid;grid-template-columns:.8fr 1.3fr;gap:65px;margin-bottom:28px;align-items:start}.ot-section-head p{margin:0}.ot-archive{padding:44px 0;background:#eeeee6}.ot-archive-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:22px}.ot-archive-grid img{height:245px;width:100%}.ot-kariyazaki{padding:46px 0}.ot-kariyazaki-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}.ot-kariyazaki h2{font-size:27px}.ot-kariyazaki-event img{width:100%;max-height:360px;object-fit:contain}.ot-kariyazaki-note{font-size:14px;color:var(--muted)}.ot-education-legacy{width:min(1280px,calc(100% - 72px));margin:20px auto;display:grid;grid-template-columns:.9fr 1.2fr;background:var(--deep);color:#fff}.ot-education-image img{height:100%;width:100%;object-position:center}.ot-education-copy{padding:36px}.ot-education-copy h2,.ot-education-copy p{color:#fff}.ot-education-copy .ot-eyebrow,.ot-education-copy .ot-arrow-link{color:#e8d4a5}.ot-education-copy blockquote{margin:20px 0;padding-left:18px;border-left:2px solid #dbc790;font:20px/1.7 'Yu Mincho',serif}.ot-proof,.ot-journey,.ot-book,.ot-work{padding:44px 0}.ot-proof-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:25px}.ot-proof-grid article{border-top:1px solid var(--line);padding-top:16px}.ot-proof-grid strong{color:var(--accent);font:25px/1.6 'Yu Mincho',serif}.ot-proof-grid h3{margin:8px 0}.ot-proof-grid p{font-size:15px}.ot-proof-note{color:var(--muted)}.ot-journey{background:var(--pale)}.ot-journey-line{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.ot-journey-line article{padding-top:16px;border-top:1px solid var(--accent)}.ot-journey time{color:var(--accent);font-size:22px;font-family:'Yu Mincho',serif}.ot-journey h3{margin:8px 0}.ot-journey p{font-size:15px}.ot-book-grid{display:grid;grid-template-columns:190px 1fr;gap:45px;align-items:center}.ot-book-cover img{width:160px;max-height:240px;object-fit:contain}.ot-book h2{font-size:27px}.ot-book-meta{color:var(--muted);font-size:14px}.ot-work{border-top:1px solid var(--line)}.ot-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.ot-card{text-decoration:none;padding:18px 0;border-top:2px solid var(--accent)}.ot-num{color:var(--accent);font-size:14px}.ot-card h3{margin:6px 0 12px}.ot-card p{font-size:15px}.ot-final-vision{background:var(--pale);padding:42px 0;position:relative;isolation:isolate}.ot-final-vision::before{content:'';position:absolute;z-index:-1;right:0;top:0;bottom:0;width:38%;background:var(--ot-vision-image) center/cover}.ot-final-vision .ot-container>*{max-width:55%}.ot-final-vision h2{font-size:30px}.ot-cta{padding:30px 0;border-bottom:1px solid var(--line)}.ot-cta .ot-container{display:grid;grid-template-columns:1fr auto;align-items:center;gap:0 25px}.ot-cta .ot-eyebrow{display:none}.ot-cta h2{font-size:25px;margin:0}.ot-cta p{margin:5px 0 0}.ot-cta a{grid-column:2;grid-row:1/3}.ot-footer{padding:35px 0;background:var(--pale)}.ot-footer-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:45px}.ot-footer-statement{font-size:14px;margin:16px 0}.ot-footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;font-size:14px}.ot-footer-links a{text-decoration:none}.ot-footer-social{display:flex;gap:22px;font-size:14px}.ot-copyright{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:18px;margin-top:25px;font-size:12px}.read-more{border-block:1px solid var(--line);margin:14px 0}.read-more summary{min-height:48px;padding:10px 0;color:var(--accent);cursor:pointer}.read-more p{margin:10px 0 16px}.feature-pair{width:min(1160px,calc(100% - 72px));margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:38px}.feature-pair .ot-feature{display:flex;flex-direction:column;width:100%;gap:24px;padding:26px 0;align-items:stretch}.feature-pair .ot-feature-copy{order:2}.feature-pair .ot-feature img{height:260px}
/* B: editorial columns, warmer ivory and tobacco accents. */
.design-b{--paper:#fbf8f1;--ink:#3d372f;--muted:#655c50;--accent:#856137;--pale:#eee7d9;--line:#d8cebb;--deep:#4d5142}.design-b .ot-hero{grid-template-columns:1.1fr 1fr;background:transparent}.design-b .hero-photo{grid-column:1}.design-b .ot-hero>.ot-container{grid-column:2;grid-row:1;padding:30px 0 30px 42px}.design-b .hero-photo img{height:440px}.design-b .ot-hero h1{font-size:37px}.design-b .ot-hero-proof{justify-content:flex-start;padding-left:0}.design-b .ot-manifesto-grid{grid-template-columns:1fr 1.8fr;gap:45px}.design-b .ot-manifesto h2{font-size:30px}.design-b .ot-origin-chain{border-bottom:1px solid var(--line)}.design-b .ot-section-head{grid-template-columns:1fr 1.8fr;gap:45px}.design-b .ot-archive-grid{grid-template-columns:repeat(3,1fr)}.design-b .ot-archive{background:var(--paper)}.design-b .ot-kariyazaki{background:var(--pale)}.design-b .ot-proof-grid{gap:28px}.design-b .ot-proof-grid article{border-top:3px double var(--line)}.design-b .ot-journey{background:var(--paper);border-block:1px solid var(--line)}.design-b .ot-final-vision{background:var(--pale)}
/* C: purposeful navigation first, compact rows, expandable detail. */
.design-c{--paper:#f7f7f3;--ink:#303b38;--muted:#52645c;--accent:#76603e;--pale:#e9ede8;--line:#cdd5cf;--deep:#3b5148}.design-c h2{font-size:27px}.design-c .ot-hero{grid-template-columns:1.6fr 1fr;background:transparent;margin-top:20px}.design-c .ot-hero>.ot-container{padding:22px 40px 22px 0}.design-c .hero-photo img{min-height:300px;height:350px}.design-c .ot-hero h1{font-size:39px}.design-c .ot-hero-proof{justify-content:flex-start;padding-left:0}.design-c .ot-online-entry{padding:15px 0}.design-c .ot-work{padding:20px 0 30px;border:0}.design-c .ot-work .ot-section-head{display:flex;align-items:center;gap:30px;margin-bottom:15px}.design-c .ot-work .ot-eyebrow{display:none}.design-c .ot-work h2{font-size:23px;margin:0;min-width:260px}.design-c .ot-work h2 br{display:none}.design-c .ot-work .ot-section-lead{font-size:15px;max-width:660px}.design-c .ot-grid-4{gap:16px}.design-c .ot-card{padding:14px 18px;background:var(--pale);border-top:2px solid var(--accent)}.design-c .ot-card h3{font-size:21px}.design-c .ot-card p{margin:0}.design-c .ot-manifesto{border-top:1px solid var(--line);padding:32px 0}.design-c .ot-manifesto h2{font-size:29px}.design-c .journal{padding:24px 0}.design-c .journal-article{grid-template-columns:80px 1fr}.design-c .journal-article img{height:100px;width:80px}.design-c .ot-origin-chain{padding:28px 0}.design-c .ot-feature{padding:28px 0}.design-c .ot-feature img{height:280px}.design-c .feature-pair .ot-feature img{height:220px}.design-c .ot-archive{padding:32px 0}.design-c .ot-archive-grid img{height:190px}.design-c .ot-kariyazaki{padding:32px 0}.design-c .ot-kariyazaki-event img{max-height:270px}.design-c .ot-education-legacy{grid-template-columns:1fr 1.4fr}.design-c .ot-education-copy{padding:30px}.design-c .ot-education-copy .read-more{border-color:#98ac9c}.design-c .ot-education-copy summary{color:#ead8b0}.design-c .ot-proof,.design-c .ot-journey,.design-c .ot-book{padding:30px 0}.design-c .ot-book-grid{grid-template-columns:130px 1fr}.design-c .ot-book img{height:170px}.design-c .ot-final-vision{padding:30px 0}
@media(min-width:1000px){.design-a .ot-hero h1 em{white-space:nowrap}}
@media(max-width:1000px){.ot-container,.ot-feature,.feature-pair{width:calc(100% - 48px)}.site-header,.ot-hero,.ot-education-legacy{width:calc(100% - 48px)}.quick-nav{gap:16px}.ot-hero>.ot-container{padding:26px}.ot-hero h1,.design-b .ot-hero h1,.design-c .ot-hero h1{font-size:30px}.ot-hero-proof{gap:10px;flex-wrap:wrap}.ot-hero-proof strong{margin-right:8px}.ot-manifesto-grid,.journal-grid,.ot-section-head,.ot-origin-chain .ot-container{gap:30px;grid-template-columns:1fr 1.3fr}.ot-manifesto h2,.design-b .ot-manifesto h2,.design-c .ot-manifesto h2{font-size:27px}.ot-feature,.ot-kariyazaki-grid{gap:28px}.ot-online-entry img{width:110px}.ot-online-entry-copy{display:block}.ot-online-entry .ot-btn{margin-top:8px}.ot-proof-grid{gap:18px}.ot-proof-grid h3{font-size:20px}.ot-grid-4{grid-template-columns:1fr 1fr}.ot-footer-grid{grid-template-columns:1fr 1fr}.ot-footer-links{grid-template-columns:1fr 1fr}}
@media(max-width:700px){body{font-size:17px;line-height:1.85}h2{font-size:27px}h3{font-size:21px}.review-bar{gap:10px;padding:9px 16px;font-size:14px}.review-bar>span{display:none}.review-bar b{flex:1}.review-bar>div{margin-left:auto}.site-header{padding:18px 0;gap:10px;width:calc(100% - 36px)}.brand{font-size:21px}.brand small{font-size:10px}.quick-nav{display:none}.site-menu nav{top:76px}.site-menu ul{grid-template-columns:1fr}.ot-container,.ot-feature,.feature-pair{width:calc(100% - 40px)}.ot-hero,.design-b .ot-hero,.design-c .ot-hero{display:flex;flex-direction:column;width:100%;margin:0;background:var(--pale)}.ot-hero>.ot-container,.design-b .ot-hero>.ot-container,.design-c .ot-hero>.ot-container{padding:26px 20px;width:100%}.ot-hero h1,.design-b .ot-hero h1,.design-c .ot-hero h1{font-size:clamp(25px,6.8vw,34px);letter-spacing:0}.ot-hero h1 em{white-space:nowrap}.ot-kicker{font-size:12px;letter-spacing:.04em}.hero-photo{order:1}.hero-photo img,.design-b .hero-photo img,.design-c .hero-photo img{height:230px;min-height:0;object-position:65% 43%;width:100%}.ot-hero-proof{order:2;display:grid;grid-template-columns:auto 1fr;padding:15px 20px;gap:2px 20px;justify-content:start}.ot-hero-proof strong{font-size:14px}.ot-hero-proof span{font-size:12px}.ot-buttons{gap:10px;margin-top:20px}.ot-btn{padding:10px 15px}.ot-online-entry{padding:18px 0}.ot-online-entry-card{gap:18px;padding:15px 0}.ot-online-entry img{display:none}.ot-online-entry h2{font-size:22px}.ot-online-entry p{font-size:15px}.ot-online-entry .ot-btn{margin-top:12px}.ot-manifesto{padding:24px 0 30px}.ot-manifesto-grid,.design-b .ot-manifesto-grid,.journal-grid,.ot-section-head,.design-b .ot-section-head{grid-template-columns:1fr;gap:20px}.ot-manifesto h2,.design-b .ot-manifesto h2,.design-c .ot-manifesto h2{font-size:28px;margin:0}.ot-manifesto h2 span:last-child{display:inline}.ot-lead-v3{font-size:21px}.ot-manifesto p:last-child{margin:0}.journal{padding:26px 0}.journal-article{gap:15px;grid-template-columns:80px 1fr}.journal-article img{width:80px;height:100px}.journal h3{font-size:19px;line-height:1.65}.journal h2{font-size:26px}.ot-origin-chain{padding:30px 0}.ot-origin-chain .ot-container{display:block}.ot-origin-quote{font-size:25px}.ot-chain{gap:8px;margin:20px 0 16px}.ot-chain span{font-size:15px}.ot-feature{display:flex;flex-direction:column;gap:22px;padding:30px 0}.ot-feature-copy,.ot-feature.reverse .ot-feature-copy{order:2}.ot-feature>div:not(.ot-feature-copy){width:100%}.ot-feature img{height:230px}.ot-feature h2{font-size:26px}.feature-pair{display:block}.feature-pair .ot-feature{width:100%;padding:28px 0}.feature-pair .ot-feature img{height:230px}.ot-archive,.ot-proof,.ot-journey,.ot-book,.ot-work,.ot-kariyazaki{padding:30px 0}.ot-archive-grid,.design-b .ot-archive-grid{grid-template-columns:1fr 1fr;gap:20px 12px}.ot-archive-grid .large{grid-column:1/-1}.ot-archive-grid img{height:145px}.ot-archive-grid .large img{height:230px}figcaption{font-size:14px;line-height:1.7}.ot-kariyazaki-grid{grid-template-columns:1fr;gap:24px}.ot-kariyazaki h2{font-size:25px}.ot-kariyazaki-visuals{order:-1}.ot-kariyazaki-event img{max-height:270px}.ot-education-legacy,.design-c .ot-education-legacy{width:100%;display:block;margin:0}.ot-education-image img{height:230px}.ot-education-copy,.design-c .ot-education-copy{padding:30px 20px}.ot-education-copy h2{font-size:27px}.ot-education-copy blockquote{font-size:20px}.ot-proof-grid{grid-template-columns:1fr;gap:0}.ot-proof-grid article{display:grid;grid-template-columns:35px 1fr;gap:0 14px;padding:15px 0}.ot-proof-grid strong{grid-row:1/3;font-size:25px}.ot-proof-grid h3{font-size:21px;margin:0 0 6px}.ot-proof-grid p{font-size:17px;grid-column:2;margin:0}.ot-journey-line{grid-template-columns:1fr;gap:0}.ot-journey-line article{display:grid;grid-template-columns:100px 1fr;gap:0 14px;padding:15px 0}.ot-journey-line time{grid-row:1/3;font-size:20px}.ot-journey-line h3{margin:0 0 6px}.ot-journey-line p{font-size:17px;margin:0;grid-column:2}.ot-book-grid,.design-c .ot-book-grid{grid-template-columns:90px 1fr;gap:20px;align-items:start}.ot-book-cover img{width:90px;max-height:140px}.ot-book h2{font-size:23px}.ot-book h2 br{display:none}.ot-book-grid>div p{font-size:17px}.ot-grid-4{grid-template-columns:1fr;gap:0}.ot-card{display:grid;grid-template-columns:34px 1fr;gap:0 12px;padding:18px 0;border-top:1px solid var(--line)}.ot-card .ot-num{grid-row:1/3}.ot-card h3{margin:0 0 6px}.ot-card p{grid-column:2;font-size:17px;margin:0}.ot-final-vision{padding:30px 0 190px}.ot-final-vision::before{width:100%;height:165px;top:auto;background-position:center 48%}.ot-final-vision .ot-container>*{max-width:100%}.ot-final-vision h2{font-size:27px}.ot-cta .ot-container{display:block}.ot-cta h2{font-size:25px}.ot-cta .ot-btn{margin-top:16px}.ot-footer-grid{grid-template-columns:1fr;gap:25px}.ot-footer-links{gap:12px 16px}.ot-copyright{display:block}.ot-copyright span{display:block;margin:6px 0}.design-c .ot-work .ot-section-head{display:block}.design-c .ot-work h2{font-size:25px;min-width:0;margin-bottom:8px}.design-c .ot-work .ot-grid-4{grid-template-columns:1fr;gap:10px}.design-c .ot-card{padding:14px}.design-c .ot-card p{font-size:17px}.design-c .ot-feature img,.design-c .feature-pair .ot-feature img{height:200px}.design-c .ot-archive-grid img{height:135px}.design-c .ot-archive-grid .large img{height:210px}.design-c .ot-final-vision{padding:30px 0 190px}.design-b .ot-hero-proof,.design-c .ot-hero-proof{padding-left:20px}.design-b .ot-hero-copy p,.design-c .ot-hero-copy p{margin-bottom:0}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
h2{text-wrap:balance}.phrase{display:inline-block}
.ot-copyright,.ot-hero-proof span{font-size:14px}
@media(max-width:700px){.ot-kicker{font-size:14px}.review-bar>b{flex-basis:100%;order:3}.review-bar>div{margin-left:auto}}
@media(min-width:701px) and (max-width:1000px){.ot-section-head,.design-b .ot-section-head{grid-template-columns:1fr 1.3fr;gap:24px}.ot-section-head h2{font-size:25px}.ot-kariyazaki h2{font-size:25px}}
@media(max-width:350px){.ot-final-vision h2{font-size:24px}.ot-final-vision h2 br{display:none}}

/* B選択後の累積確認案。元の3案と本番には適用しない。 */
.ot-eyebrow,.ot-kicker{letter-spacing:.06em}
.ot-hero-proof{gap:0}
.ot-hero-proof strong{padding:0 24px;border-right:1px solid var(--line);margin:0}
.ot-hero-proof strong:first-child{padding-left:0}
.ot-hero-proof strong:last-child{border:0}
.purpose-guide{padding:42px 0;background:var(--paper);border-bottom:1px solid var(--line)}
.guide-heading{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}
.guide-heading h2{font-size:30px;margin:0;line-height:1.6}
.guide-heading h2 br{display:none}
.guide-heading>p{color:var(--muted);margin:0;line-height:1.8;font-size:16px}
.guide-choices{border-top:1px solid var(--line)}
.guide-choice{border-bottom:1px solid var(--line);scroll-margin-top:25px}
.guide-choice summary{display:grid;grid-template-columns:38px 1fr 24px;gap:16px;align-items:center;min-height:68px;padding:15px 20px;cursor:pointer;list-style:none;font-family:'Yu Mincho','Hiragino Mincho ProN',serif;font-size:22px;font-weight:500}
.guide-choice summary::-webkit-details-marker{display:none}
.guide-number{font:16px/1.6 Georgia,serif;color:var(--accent)}
.guide-toggle{font:25px/1 sans-serif;color:var(--accent);text-align:right}
.guide-toggle::before{content:'＋'}
.guide-choice[open] .guide-toggle::before{content:'−'}
.guide-choice summary:hover,.guide-choice[open]{background:var(--pale)}
.guide-body{padding:0 26px 25px 74px}
.guide-body>p{margin:0 0 16px}
.guide-paths{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.guide-path{display:flex;flex-direction:column;padding:18px 22px;background:var(--paper);border:1px solid var(--line);text-decoration:none;min-width:0}
.guide-path h3{font-size:21px;margin:0 0 6px}
.guide-path p{font-size:16px;line-height:1.8;margin:0 0 12px}
.guide-path>span{margin-top:auto;color:var(--accent);font-size:15px;text-decoration:underline;text-underline-offset:5px}
.guide-path:hover{border-color:var(--accent)}
.guide-support{display:flex;gap:8px 24px;flex-wrap:wrap;align-items:center;margin-top:22px;font-size:14px}
.guide-support>span{color:var(--muted)}
.guide-support a{display:inline-flex;align-items:center;min-height:44px;text-underline-offset:4px}
a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
@media(max-width:1000px){.quick-nav{gap:15px}.guide-heading{align-items:start}.guide-heading h2{font-size:27px}.guide-heading h2 br{display:block}}
@media(max-width:700px){.ot-hero-proof,.design-b .ot-hero-proof{display:flex;flex-wrap:wrap;padding:14px 20px;gap:6px 18px}.ot-hero-proof strong{border:0;padding:0;font-size:14px}.purpose-guide{padding:28px 0}.guide-heading{display:block;margin-bottom:20px}.guide-heading h2{font-size:27px}.guide-heading>p{margin-top:12px;font-size:17px}.guide-heading>p br{display:none}.guide-choice summary{grid-template-columns:25px 1fr 20px;gap:9px;padding:16px 10px;font-size:20px;min-height:66px;line-height:1.6}.guide-body{padding:0 14px 20px}.guide-body>p{font-size:17px}.guide-paths{grid-template-columns:1fr;gap:12px}.guide-path{padding:17px}.guide-path h3{font-size:20px}.guide-path p{font-size:17px}.guide-support{gap:0 20px}.guide-support>span{width:100%;margin-bottom:4px}.review-bar>b{font-size:15px}.site-header .brand{font-size:20px}}

/* Production shell and keyboard skip link. */
.b-skip{position:absolute;left:12px;top:-80px;z-index:99999;background:#fbf8f1;padding:10px 16px}.b-skip:focus{top:12px}
.corporate-b-home h1,.corporate-b-home h2,.corporate-b-home h3{color:var(--ink)}
.corporate-b-home .ot-education-copy h2{color:white}
.corporate-b-home .site-menu nav{max-height:calc(100dvh - 120px);overflow:auto}