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/* V26: full-screen brand-film entrance. Existing content below remains unchanged. */
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.why-video-hero>video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center center;z-index:-2}
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@media(max-width:760px){.why-video-hero{height:calc(100svh - 72px)}.why-chapter-nav{top:72px}}

/* V29 original ZENZAN editorial story, informed by the reference page's pacing. */
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.zz-sustainability-copy a:hover,.zz-sustainability-copy a:focus-visible{background:#fff;color:#173d32}
@keyframes zzSustainDrift{from{transform:scale(1.015) translate3d(-.25%,0,0)}to{transform:scale(1.055) translate3d(.4%,-.45%,0)}}
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.zz-beyond-card{min-width:0;border-bottom:1px solid #18362d}
.zz-beyond-card+ .zz-beyond-card{border-left:1px solid #18362d}
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.zz-beyond-card p{margin:0;color:#465b52;font-size:15px;line-height:1.95}
.zz-beyond-card a{display:inline-block;margin-top:30px;padding:13px 22px;border:1px solid #173d32;color:#173d32;font-size:14px;transition:background-color .25s ease,color .25s ease}
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.zz-insight::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 38%,rgba(6,14,11,.78))}
.zz-insight img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 800ms cubic-bezier(.2,.7,.2,1)}
.zz-insight:hover img{transform:scale(1.03)}
.zz-insight span,.zz-insight strong{position:absolute;z-index:1;left:34px;right:34px}
.zz-insight span{bottom:76px;font-size:12px;letter-spacing:.16em}
.zz-insight strong{bottom:30px;font:400 28px/1.35 "Noto Serif SC","Songti SC",SimSun,serif}
@media(max-width:900px){.zz-why-lead{grid-template-columns:1fr}.zz-why-lead-copy{padding:78px 8%}.zz-why-lead-media{min-height:500px}.zz-story-card figure{height:360px}.zz-breathe,.zz-long-life{grid-template-columns:1fr}.zz-breathe>figure,.zz-long-life>figure{min-height:520px}.zz-long-life>figure{order:1}.zz-long-life>div{order:2}.zz-sustainability-banner{min-height:660px}.zz-sustainability-banner::after{background:linear-gradient(90deg,rgba(10,20,17,.78),rgba(10,20,17,.28))}.zz-sustainability-copy{width:min(620px,76%);margin-left:8%;padding:138px 0}.zz-two-gallery{width:100%;grid-template-columns:1fr 1fr}.zz-two-gallery figure{height:500px}}
@media(max-width:760px){.zz-why-lead{min-height:0}.zz-why-lead-copy{padding:64px 6% 58px}.zz-why-lead-media{min-height:430px}.zz-why-lead h2,.zz-story-heading h2,.zz-breathe h2,.zz-two-copy h2,.zz-long-life h2{font-size:36px}.zz-why-lead-copy>p:nth-of-type(2){font-size:15px}.zz-component-story{padding:72px 0}.zz-story-heading,.zz-two-copy{grid-template-columns:1fr;gap:0;margin-bottom:34px}.zz-story-heading>p,.zz-two-copy>p:first-child{padding-top:0}.zz-reference-pair{grid-template-columns:1fr;gap:48px;margin-bottom:62px}.zz-reference-card figure{aspect-ratio:1.12/1;margin-bottom:24px;border-radius:10px}.zz-reference-card>div{padding:0 4%}.zz-reference-card h3{font-size:24px}.zz-reference-card>div>p:last-child{font-size:14px}.zz-story-pair{grid-template-columns:1fr;gap:24px}.zz-story-card figure{height:285px}.zz-story-card>div{grid-template-columns:42px 1fr;padding:26px 22px 32px}.zz-story-card h3{font-size:22px}.zz-breathe>figure,.zz-long-life>figure{min-height:390px}.zz-breathe>div,.zz-long-life>div{padding:58px 6% 64px}.zz-sustainability-banner{min-height:620px}.zz-sustainability-banner::after{background:linear-gradient(180deg,rgba(10,20,17,.42),rgba(10,20,17,.82))}.zz-sustainability-banner figure img{object-position:53% center}.zz-sustainability-copy{width:auto;margin:0;padding:260px 7% 72px}.zz-sustainability-copy h2{font-size:38px}.zz-sustainability-copy p{margin-top:28px;font-size:14px;line-height:1.9}.zz-sustainability-copy a{padding:14px 18px}.zz-beyond-bed{padding-top:72px}.zz-beyond-intro{text-align:left}.zz-beyond-intro h2{font-size:36px}.zz-beyond-intro p{margin-top:22px;font-size:14px}.zz-beyond-grid{grid-template-columns:1fr;margin-top:48px}.zz-beyond-card+ .zz-beyond-card{border-left:0;border-top:1px solid #18362d}.zz-beyond-card figure{aspect-ratio:1.1/1;border-radius:10px}.zz-beyond-card>div{padding:38px 5% 54px}.zz-beyond-card h3{font-size:23px}.zz-beyond-card p{font-size:14px}.zz-two-people{padding:72px 0}.zz-two-copy>p:nth-of-type(2),.zz-two-copy>a{grid-column:1}.zz-two-gallery{grid-template-columns:1fr;gap:8px}.zz-two-gallery figure{height:420px}.zz-more-than-bed{padding:72px 0}.zz-more-than-bed .zz-story-heading{grid-template-columns:1fr}.zz-insight-grid{grid-template-columns:1fr;gap:16px}.zz-insight{min-height:430px}.zz-insight span,.zz-insight strong{left:22px;right:22px}.zz-insight strong{font-size:24px}.why-chapter-nav{justify-content:flex-start}}
@media(prefers-reduced-motion:reduce){.zz-reference-card figure img,.zz-two-gallery img,.zz-insight img,.zz-beyond-card figure img{transition:none}.zz-sustainability-banner figure img{animation:none}}

/* V37: ZENBO 2.0 joins the brand story as a calm, tactile sleep companion. */
.zenbo-story{padding:112px 0 96px;background:#e9dfd0;color:#173d32;overflow:hidden}
.zenbo-stage{display:grid;grid-template-columns:minmax(320px,.72fr) minmax(520px,1.28fr);align-items:center;width:min(1420px,88%);margin:0 auto;gap:7%}
.zenbo-copy{max-width:520px;padding-left:2%}
.zenbo-copy>p:first-child{margin:0 0 22px;font-size:13px;letter-spacing:.13em;color:#52685f}
.zenbo-copy h2{margin:0;font:500 clamp(54px,6vw,92px)/.98 Georgia,"Noto Serif SC","Songti SC",serif;letter-spacing:.01em}
.zenbo-copy h2 span{display:inline-block;margin-top:16px;font-size:.52em;letter-spacing:.08em}
.zenbo-lead{max-width:470px;margin:34px 0 28px;font-size:18px;line-height:1.9;color:#40584f}
.zenbo-values{display:flex;flex-wrap:wrap;gap:10px 12px;margin:0 0 22px}
.zenbo-values span{padding:9px 15px;border:1px solid rgba(23,61,50,.38);border-radius:999px;font-size:13px;letter-spacing:.05em;background:rgba(255,255,255,.3)}
.zenbo-hero{position:relative;min-height:690px;margin:0;overflow:hidden;border-radius:180px 180px 18px 18px;background:#f5efe6;box-shadow:0 28px 72px rgba(63,45,23,.14)}
.zenbo-hero::after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.5);border-radius:inherit;pointer-events:none}
.zenbo-hero img{display:block;width:100%;height:100%;min-height:690px;object-fit:cover;object-position:center 47%;transition:transform 900ms cubic-bezier(.2,.7,.2,1)}
.zenbo-hero:hover img{transform:scale(1.018)}
.zenbo-hero figcaption{position:absolute;left:28px;right:28px;bottom:24px;padding:13px 16px;background:rgba(247,242,234,.86);color:#173d32;font-size:13px;letter-spacing:.06em;text-align:center;backdrop-filter:blur(12px)}
.zenbo-board{width:min(1420px,88%);margin:76px auto 0;border-top:1px solid rgba(23,61,50,.28)}
.zenbo-board summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 2%;cursor:pointer;font-size:15px;letter-spacing:.06em;list-style:none}
.zenbo-board summary::-webkit-details-marker{display:none}
.zenbo-board summary::after{content:"＋";font-size:24px;font-weight:300;transition:transform .25s ease}
.zenbo-board[open] summary::after{transform:rotate(45deg)}
.zenbo-board figure{margin:8px 0 0;background:#f5efe6}
.zenbo-board-note{margin:4px 2% 18px;color:#52645d;font-size:13px;line-height:1.7}
.zenbo-board img{display:block;width:100%;height:auto}
.zenbo-board figcaption{padding:18px 22px 22px;color:#52645d;font-size:13px;line-height:1.7}
.zenbo-board summary:focus-visible{outline:2px solid #173d32;outline-offset:3px}
@media(max-width:980px){.zenbo-stage{grid-template-columns:1fr 1.25fr;width:min(920px,90%);gap:5%}.zenbo-hero,.zenbo-hero img{min-height:600px}.zenbo-board{width:90%}}
@media(max-width:760px){.zenbo-story{padding:68px 0 62px}.zenbo-stage{grid-template-columns:1fr;width:88%;gap:45px}.zenbo-copy{padding:0}.zenbo-copy h2{font-size:58px}.zenbo-copy h2 span{margin-top:12px}.zenbo-lead{margin:26px 0 22px;font-size:16px}.zenbo-hero{min-height:0;border-radius:100px 100px 14px 14px}.zenbo-hero img{min-height:0;aspect-ratio:1122/1402}.zenbo-hero figcaption{left:14px;right:14px;bottom:14px;padding:11px 10px;font-size:11px}.zenbo-board{width:88%;margin-top:50px}.zenbo-board summary{padding:20px 0;font-size:14px}.zenbo-board figcaption{padding:15px 16px 18px;font-size:12px}}
@media(prefers-reduced-motion:reduce){.zenbo-hero img,.zenbo-board summary::after{transition:none}}

/* V38: concise closing action after duplicate-section curation. */
.why-cta .wrap>div{flex-wrap:wrap}.why-cta .why-text-link{color:#fff}