:root{--brand:#6d9da1;--teal:#3c7076;--ink:#192628;--muted:#647174;--paper:#fff;--wash:#f5f6f5;--warm:#f2eee8;--line:#e2e7e6;--night:#11272b;--ease:cubic-bezier(.2,.7,.2,1);font-family:-apple-system,BlinkMacSystemFont,"PingFang TC","Noto Sans TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
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.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.93);border-bottom:1px solid rgba(206,218,217,.6);backdrop-filter:blur(18px)}.nav{height:74px;display:flex;align-items:center;justify-content:space-between;gap:26px}.brand{display:flex;align-items:center;gap:16px;flex-shrink:0}.brand-crop{width:102px;height:60px;position:relative;overflow:hidden;display:block}.brand-crop img{max-width:none;width:134px;height:134px;position:absolute;top:-31px;left:-21px}.brand-sep{height:26px;width:1px;background:#d6dedc}.nanobest{width:112px;height:auto}.navlinks{display:flex;align-items:center;gap:25px;font-size:13px;font-weight:600}.navlinks a{padding:12px 0;color:#576366;white-space:nowrap}.navlinks a[aria-current],.navlinks a:hover{color:var(--teal)}.nav .nav-contact{padding:10px 19px;background:var(--ink);color:#fff;border-radius:30px;font-size:13px;white-space:nowrap}.menu-button{display:none;border:0;background:transparent;width:44px;height:44px;padding:10px}.menu-button span{display:block;height:1px;width:23px;background:var(--ink);margin:6px auto;transition:transform .25s}.menu-button[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}.menu-button[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}.reading-progress{height:2px;position:absolute;bottom:-1px;left:0;width:0;background:var(--brand);transition:width .12s linear}
.hero{padding:76px 0 0;text-align:center}.hero .kicker{letter-spacing:.11em;font-size:14px;margin-bottom:22px}.hero h1{font-size:clamp(48px,6.5vw,88px);font-weight:800;line-height:1.15;letter-spacing:-.065em}.hero .lead{margin:24px auto 17px;font-size:18px}.hero .down-link{font-size:14px}.hero .down-link span{display:inline-block;animation:nudge 3s ease-in-out infinite}.hero-photo{width:calc(100% - 48px);max-width:1512px;margin:38px auto 0;position:relative;overflow:hidden;border-radius:30px;aspect-ratio:2.28;background:#e9e5dd}.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 57%;transform:scale(var(--hero-scale,1));will-change:transform}.hero-photo figcaption{position:absolute;left:40px;bottom:28px;color:#fff;text-align:left;font-size:13px;letter-spacing:.09em;text-shadow:0 1px 8px #000}.hero-photo:after{content:"";position:absolute;inset:65% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.17));pointer-events:none}.hero-photo figcaption{z-index:1}.hero-facts{display:flex;justify-content:center;gap:70px;padding:35px 0 42px}.hero-facts span{display:block;font-size:13px;color:var(--muted)}.hero-facts strong{font-size:18px;font-weight:650}.hero-facts>div+div{border-left:1px solid var(--line);padding-left:70px}
.why{background:var(--wash)}.why-layout{display:grid;grid-template-columns:.9fr 1fr;gap:100px;align-items:center}.why .lead{margin-top:27px;font-size:18px}.source-controls{margin-top:36px;border-top:1px solid #dce3e1}.source-button{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;background:transparent;border:0;border-bottom:1px solid #dce3e1;padding:20px 0;text-align:left;color:#86918f;font-weight:600;font-size:18px}.source-button[aria-pressed=true]{color:var(--ink)}.source-button .round-plus{background:#e6ebea}.source-button[aria-pressed=true] .round-plus{background:var(--teal);color:white}.source-description{min-height:88px;margin-top:20px;color:var(--muted);font-size:15px}.house-photo{position:relative;height:620px;border-radius:28px;overflow:hidden}.house-photo>img{width:100%;height:100%;object-fit:cover}.house-photo:after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(transparent,#0006);pointer-events:none}.hotspot{position:absolute;z-index:2;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;border:1px solid #fffb;background:#fff9;color:var(--ink);backdrop-filter:blur(5px);font-size:22px;transition:transform .4s,background .4s}.hotspot[aria-pressed=true]{background:var(--teal);color:#fff;transform:scale(1.16);box-shadow:0 0 0 10px #fff3}.hotspot[data-source=cabinet]{left:73%;top:49%}.hotspot[data-source=wood]{left:30%;top:66%}.hotspot[data-source=soft]{left:25%;top:35%}.photo-caption{position:absolute;z-index:2;bottom:25px;left:28px;color:#fff;font-size:14px}.who{display:flex;gap:14px;flex-wrap:wrap;margin-top:45px}.who span{font-size:13px;border:1px solid #cbd8d5;border-radius:30px;padding:8px 14px;color:#536662}.who-line{margin-top:16px;color:var(--muted);font-size:14px}
.assessment .section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:48px}.assessment .section-head>.lead{max-width:330px;margin:0;font-size:17px}.assessment-shell{background:#f3f6f5;border-radius:30px;overflow:hidden;display:grid;grid-template-columns:1.1fr 1fr;border:1px solid #edf0ee}.assessment-form{padding:48px 48px 38px}.form-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;gap:20px}.form-top h3{font-size:20px}.sample-button{border:0;background:transparent;color:var(--teal);font-size:12px;text-decoration:underline;text-underline-offset:4px;padding:8px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:24px}.field-label{display:block;font-size:14px;font-weight:650;margin-bottom:10px}.input-unit{position:relative}.input-unit input{width:100%;border:1px solid #d1ddda;border-radius:12px;background:white;min-height:58px;padding:12px 48px 12px 17px;font-size:22px;font-weight:600;color:var(--ink);-moz-appearance:textfield}.input-unit span{position:absolute;right:17px;top:17px;color:#70807d;font-size:14px}.field{margin-bottom:25px}select{min-height:54px;width:100%;background:#fff;border:1px solid #d1ddda;border-radius:12px;padding:12px 16px;color:var(--ink);font-size:14px}fieldset{padding:0;margin:0 0 24px;border:0;min-width:0}legend{padding:0}.check-group{display:flex;flex-wrap:wrap;gap:9px}.check-chip{position:relative;cursor:pointer}.check-chip input{position:absolute;opacity:0;width:100%;height:100%;margin:0}.check-chip span{display:block;padding:8px 12px;border:1px solid #d1ddda;border-radius:25px;background:white;color:#677571;font-size:13px;transition:all .2s}.check-chip input:checked+span{background:#d7e7e3;border-color:#7da59a;color:#2f5d51}.check-chip input:focus-visible+span{outline:3px solid #3c8d99;outline-offset:3px}.form-error{font-size:13px;color:#a13d2a;min-height:23px;margin-bottom:8px}.calculate-button{width:100%}.assessment-note{margin-top:16px}.assessment-result{padding:43px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;background:#e6eeeb;position:relative}.result-eyebrow{font-size:12px;letter-spacing:.12em;color:#647a73}.score-gauge{width:min(280px,100%);position:relative;margin:16px 0 8px;aspect-ratio:1.35}.score-gauge svg{width:100%;height:100%;overflow:visible}.gauge-track{fill:none;stroke:#cfded8;stroke-width:10;stroke-linecap:round}.gauge-fill{fill:none;stroke:var(--score-color,#50766b);stroke-width:10;stroke-linecap:round;stroke-dasharray:100;stroke-dashoffset:100;transition:stroke-dashoffset 1.1s var(--ease),stroke .5s}.score-number{position:absolute;inset:43% 0 0;font-size:58px;line-height:1;font-weight:700;letter-spacing:-.06em}.score-number small{display:block;font-size:12px;letter-spacing:0;margin-top:10px;font-weight:400;color:#687e76}.assessment-result h3{font-size:28px;color:var(--score-color,#344d45)}.assessment-result .result-summary{font-size:15px;max-width:310px;margin:14px 0 18px;color:#576b62;min-height:53px}.score-meta{font-size:12px;color:#667e73;margin:10px 0}.result-advice{font-size:14px;max-width:320px;color:#4c6358}.result-cta{margin-top:23px;color:#345e50;font-size:14px;line-height:1.5;text-decoration:underline;text-underline-offset:5px}.onsite-strip{margin-top:26px;display:grid;grid-template-columns:180px 1fr auto;gap:30px;align-items:center;border:1px solid var(--line);border-radius:24px;padding:24px 32px 24px 24px}.onsite-strip img{width:180px;height:140px;object-fit:cover;object-position:center 65%;border-radius:14px}.onsite-strip h3{font-size:24px;margin-bottom:8px}.onsite-strip p{font-size:14px;color:var(--muted);max-width:450px}.onsite-strip .text-link{font-size:14px;white-space:nowrap}.model-detail{margin-top:22px;font-size:13px;color:var(--muted)}.model-detail summary{cursor:pointer;display:inline-block;color:var(--teal);padding:8px 0}.model-detail p{max-width:900px;margin-top:10px}
.system{background:var(--night);color:#f5f8f6;overflow:visible}.system .kicker{color:#9fc9c7}.system .lead{color:#a6bdbb}.system .section-head{margin-bottom:25px}.system-stage{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;align-items:center}.scene{position:relative;aspect-ratio:1.35;isolation:isolate;background:radial-gradient(ellipse at 55% 55%,#34635b66,transparent 66%)}.scene>svg{width:100%;height:100%}.scene-caption{font-size:11px;color:#9db7b2;text-align:center;letter-spacing:.08em}.scene .room-line{fill:none;stroke:#72948c;stroke-width:1.4}.scene .wall{fill:#29433f;stroke:#5e8078;stroke-width:1}.scene .floor{fill:#1b3937;stroke:#5a8076;stroke-width:1}.scene .cabinet{fill:#304e45;stroke:#809b88;stroke-width:1}.scene .layer{fill:none;stroke:#99d8c2;stroke-width:5;opacity:0;transition:opacity .6s}.scene[data-mode=fo] .layer{opacity:.85}.scene .mist,.scene .odor,.scene .airflow,.scene .surface-protect{opacity:.06;transition:opacity .7s}.scene[data-mode=buster] .mist,.scene[data-mode=po] .odor,.scene[data-mode=air] .airflow,.scene[data-mode=fo] .surface-protect{opacity:1}.molecule{animation:float 5s ease-in-out infinite;transform-box:fill-box;transform-origin:center}.molecule:nth-child(2n){animation-delay:-2s;animation-duration:6.5s}.flow-line{fill:none;stroke:#b0e8dc;stroke-width:2.5;stroke-dasharray:9 10;animation:flow 2s linear infinite}.scene-callout{fill:#bbd9d0;font-size:12px;letter-spacing:2px}.scene-small{fill:#7d9e95;font-size:10px}.system-panel .step-name{font-size:13px;letter-spacing:.12em;color:#9fc9c7;margin-bottom:17px}.system-panel h3{font-size:clamp(31px,3.4vw,43px);margin-bottom:24px}.system-panel p{color:#b2c7c2;font-size:17px;line-height:1.9}.system-panel .ingredient{font-size:12px;letter-spacing:.03em;margin-top:22px;color:#91aaa2}.system-tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin:26px 0 0}.system-tabs button{background:#ffffff09;color:#a8c0b8;border:1px solid #58776b;border-radius:50px;min-height:49px;padding:12px 23px;font-size:14px}.system-tabs button[aria-selected=true]{background:#d8ece1;color:#203d30;border-color:#d8ece1}.system-tabs button:hover{border-color:#c8e6da}.system-tabs span{font-size:11px;margin-right:8px;opacity:.7}.system-panels{min-height:320px}.system-alt{margin-top:30px;display:none}
.materials{background:var(--warm)}.materials-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.material-photo{border-radius:30px;overflow:hidden;background:#f6f2e9}.material-photo img{width:100%;aspect-ratio:1;object-fit:cover}.material-photo figcaption{font-size:12px;text-align:center;color:#786f61;padding:14px 20px;background:#f5f1e9}.materials h2{font-size:clamp(35px,4vw,54px)}.materials .lead{margin-top:25px;font-size:17px}.material-details{margin-top:27px;border-top:1px solid #dcd5c9}.material-details details{border-bottom:1px solid #dcd5c9}.material-details summary{display:flex;align-items:center;justify-content:space-between;padding:20px 0;font-size:15px;font-weight:650;cursor:pointer;list-style:none;gap:15px}.material-details summary::-webkit-details-marker{display:none}.material-details summary:after{content:"+";font-size:25px;font-weight:300;color:#867e70}.material-details details[open] summary:after{content:"−"}.material-details details p{font-size:14px;color:#776e61;line-height:1.8;padding:0 20px 20px 0}.material-details .text-link{font-size:14px}.material-badge{margin-top:25px;display:flex;align-items:center;gap:24px}.material-badge img{width:130px}.material-badge span{font-size:12px;color:#776e61;border-left:1px solid #c9c0b1;padding-left:20px}
.craft-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.craft-photo{border-radius:28px;overflow:hidden;height:600px}.craft-photo img{width:100%;height:100%;object-fit:cover}.craft h2{font-size:clamp(35px,4vw,56px)}.craft .lead{margin-top:25px;font-size:17px}.craft-points{margin-top:25px}.craft-point{padding:21px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:35px 1fr;gap:15px}.craft-point>span{font-size:12px;color:var(--brand);padding-top:3px}.craft-point h3{font-size:17px;margin-bottom:7px;letter-spacing:0}.craft-point p{font-size:14px;color:var(--muted)}.coverage{margin-top:25px;font-size:12px;color:#71817f;line-height:2}
.process{background:var(--wash)}.process-title{display:flex;align-items:flex-end;justify-content:space-between;gap:45px;margin-bottom:50px}.process-time strong{font-size:26px;letter-spacing:-.04em}.process-time p{font-size:12px;color:var(--muted);margin-top:7px}.process-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:75px;align-items:start}.process-steps{border-top:1px solid #d3dcd8}.process-step{border-bottom:1px solid #d3dcd8}.process-step summary{list-style:none;display:flex;align-items:center;gap:25px;padding:21px 0;cursor:pointer;font-size:18px;font-weight:650}.process-step summary::-webkit-details-marker{display:none}.process-step summary>span:first-child{font-size:12px;color:var(--teal);font-weight:500;min-width:20px}.process-step summary:after{content:"+";margin-left:auto;font-size:25px;font-weight:300;color:#74877d}.process-step[open] summary:after{content:"−"}.process-step p{padding:0 25px 23px 46px;font-size:14px;color:var(--muted)}.process-image{height:510px;border-radius:25px;overflow:hidden;position:relative;background:#e2e5e0}.process-image img{width:100%;height:100%;object-fit:cover;object-position:center 50%;transition:opacity .35s}.process-image figcaption{position:absolute;left:25px;right:25px;bottom:22px;padding:14px 20px;border-radius:15px;background:#fffef3e6;color:#41534a;font-size:13px;backdrop-filter:blur(10px)}
.testing .section-head{text-align:center}.testing .section-head .lead{margin-inline:auto}.testing-layout{display:block;max-width:900px;margin-inline:auto}.tester-stage{background:#f1f2ef;border-radius:28px;overflow:hidden}.tester-stage img{width:100%;aspect-ratio:.95;object-fit:cover;object-position:center 45%}.tester-stage figcaption{padding:18px 25px;font-size:12px;color:var(--muted)}.tester-info .eyebrow{margin:0 0 12px}.tester-info h3{font-size:37px}.tester-info>p{color:var(--muted);margin-top:22px;font-size:16px}.testing-points{display:flex;gap:30px;margin:27px 0}.testing-points>div+div{border-left:1px solid var(--line);padding-left:30px}.testing-points strong{display:block;font-size:25px;color:var(--teal);line-height:1.5}.testing-points span{font-size:12px;color:var(--muted)}.test-compare{border-top:1px solid var(--line);margin-top:25px}.test-compare summary{display:flex;align-items:center;justify-content:space-between;gap:15px;list-style:none;cursor:pointer;font-size:14px;font-weight:650;padding:20px 0}.test-compare summary::-webkit-details-marker{display:none}.test-compare summary:after{content:"+";font-size:25px;font-weight:300}.test-compare[open] summary:after{content:"−"}.comparison-table{width:100%;border-collapse:collapse;font-size:12px;line-height:1.7;text-align:left}.comparison-table th,.comparison-table td{padding:13px 8px;border-top:1px solid var(--line);vertical-align:top}.comparison-table th{color:var(--ink)}.comparison-table td{color:var(--muted)}.comparison-table th:nth-child(2){color:var(--teal)}
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.report-strip{display:grid;grid-template-columns:1fr .9fr;gap:70px;align-items:center;margin-top:75px}.report-strip .lead{font-size:17px;margin-top:20px}.report-strip h3{font-size:36px}.report-strip button{margin-top:24px}.report-visual{position:relative;background:#f3f3ef;border-radius:25px;padding:35px;min-height:310px;overflow:hidden}.mini-report{max-width:270px;margin:0 auto;background:#fff;border-radius:5px;padding:26px;box-shadow:0 18px 35px #23382a18;transform:rotate(-5deg);border:1px solid #e6e8e1}.mini-report-header{font-size:12px;letter-spacing:.1em;font-weight:700;color:#48695c;padding-bottom:14px;border-bottom:1px solid #d9e4dc}.mini-report-line{height:5px;background:#ebeeea;border-radius:2px;margin:13px 0}.mini-report-line.short{width:65%}.mini-values{display:flex;gap:12px;margin:24px 0}.mini-values>span{height:54px;background:#e9f1ec;flex:1;border-radius:5px}.mini-seal{border:1px solid #8dad9a;border-radius:50%;width:56px;height:56px;display:grid;place-items:center;color:#5b836d;margin-left:auto;font-size:11px}.mini-report-label{position:absolute;bottom:22px;right:26px;background:#fff;padding:9px 16px;border-radius:30px;font-size:11px;color:#577764;box-shadow:0 8px 20px #203e2b08}
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/* 2026-10 revision: typography and scroll-driven presentation. */
body{font-size:17px;line-height:1.85}h2{font-size:clamp(36px,4.1vw,56px)}.hero h1{font-size:clamp(44px,5.5vw,74px);line-height:1.2}.hero .lead{font-size:20px}.section-head .lead,.why .lead{font-size:20px}.kicker{font-size:14px}.tiny{font-size:14px}.eyebrow{font-size:14px}.hero-line{display:inline-block}.motion-ready .hero-line{animation:headline-arrive 1.1s var(--ease) both}.motion-ready .hero-line.accent{animation-delay:.13s}.hero-photo{border-radius:var(--hero-corner,30px);clip-path:inset(0 var(--hero-inset,0px) round var(--hero-corner,30px));transition:clip-path .1s linear,border-radius .1s linear}.hero-photo img{transform:scale(var(--hero-scale,1)) translateY(var(--hero-shift,0px));transform-origin:50% 60%}.hero-facts strong{font-size:19px}.hero-facts span{font-size:14px}.navlinks{font-size:14px}.why-layout{grid-template-columns:1.05fr 1fr;gap:110px;align-items:start}.why-explorer{padding-top:5px}.why-explorer .source-controls{margin-top:22px}.source-button{font-size:20px;line-height:1.55;transition:color .3s,padding .4s,background .3s}.source-button:hover{color:var(--teal);padding-left:10px}.source-button[aria-pressed=true] .round-plus{transform:rotate(45deg)}.source-button .round-plus{transition:transform .4s,background .3s}.source-answer{display:grid;grid-template-columns:48px 1fr;gap:20px;margin-top:25px;align-items:start}.source-index{font-size:36px;line-height:1.25;letter-spacing:-.06em;font-weight:600;color:#91aba4}.source-answer .source-description{margin:0;font-size:17px;min-height:130px}.who span{font-size:14px}.who-line{font-size:15px}.field-label{font-size:16px}.check-chip span{font-size:14px}.assessment-result .result-summary,.result-advice{font-size:16px}.score-meta,.model-detail,.assessment-note{font-size:14px}.onsite-strip p{font-size:16px}.onsite-strip .text-link{font-size:16px}.system .lead{font-size:20px}.system-panel p{font-size:19px}.system-panel h3{font-size:clamp(31px,3.3vw,43px)}.system-panel .ingredient{font-size:14px}.system-panel .step-name{font-size:14px}.scene-caption{font-size:13px}.system-tabs button{font-size:15px;padding:12px 21px}.system-tabs span{font-size:12px}.system-scrolltrack{position:relative}.system-sticky{position:relative}.system-chapter{display:flex;gap:20px;align-items:center;color:#a9c8ba;font-size:12px;letter-spacing:.05em;max-width:640px;margin:15px auto 22px}.system-chapter>span:last-child{white-space:nowrap}.treatment-progress{height:2px;flex:1;background:#4b6c5b;overflow:hidden}.treatment-progress i{display:block;width:var(--treatment-fill,25%);height:100%;background:#cee8d6;transition:width .5s var(--ease)}.system-playback{display:flex;align-items:center;justify-content:center;gap:18px;font-size:12px;color:#b4cabc;max-width:440px;margin:18px auto 0}.scrub-label{white-space:nowrap;color:#91ad9b}.system-playback input{accent-color:#c8e6d0;cursor:ew-resize;min-width:0;flex:1;height:26px}.system-playback>span{white-space:nowrap}.pinned-motion .system-scrolltrack{height:310svh}.pinned-motion .system-sticky{position:sticky;top:86px;height:calc(100svh - 98px);display:flex;flex-direction:column;justify-content:center}.pinned-motion .system-stage{max-height:480px;min-height:350px}.pinned-motion .scene{max-height:min(430px,50svh)}.pinned-motion .system-chapter{width:80%;margin:0 auto 20px}.pinned-motion .system-tabs{margin-top:14px}.system-panel{animation:panel-arrive .6s var(--ease) both}.system-panel[hidden]{animation:none}.scene>svg{transform:perspective(1000px) rotateY(var(--scene-y,0deg)) translateY(var(--scene-lift,0px));transition:transform .5s var(--ease)}.scene[data-mode=fo] .layer{stroke-dasharray:1600;animation:coat-trace 1.8s var(--ease) both}.scene .airflow{filter:drop-shadow(0 0 6px #b9e9cb22)}.craft-photo,.process-image,.tester-stage,.gift-block{isolation:isolate}.craft-photo img,.process-image img,.tester-stage img,.gift-block>img{transition:transform 1s var(--ease),filter .6s var(--ease);transform:perspective(1100px) rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg)) scale(var(--photo-scale,1));will-change:transform}.craft-photo:hover,.tester-stage:hover{--photo-scale:1.035}.process-image{position:sticky;top:110px}.process-step summary{font-size:20px}.process-step p{font-size:16px}.process-image figcaption{font-size:15px}.craft-point h3{font-size:20px}.craft-point p,.coverage{font-size:16px}.testing .lead{font-size:20px}.tester-info>p{font-size:18px}.testing-points span{font-size:14px}.tester-stage figcaption{font-size:14px}.test-compare summary{font-size:16px}.comparison-table{font-size:14px}.concentration-label,.concentration-unit,.acceptance p,.result-reference{font-size:15px}.segmented button{font-size:15px}.range-marker span{font-size:12px}.chart-axis{font-size:12px}.report-visual{border:0;display:block;width:100%;color:inherit;text-align:left;cursor:pointer;transition:background .4s,box-shadow .4s}.report-visual:hover{background:#e9eee7;box-shadow:inset 0 0 0 1px #d8e2d5}.mini-report{transition:transform .7s var(--ease),box-shadow .7s var(--ease)}.report-visual:hover .mini-report,.report-visual:focus-visible .mini-report{transform:rotate(0) translateY(-9px) scale(1.025);box-shadow:0 24px 40px #23382a24}.mini-report-label{font-size:13px}.report-strip .lead,.evidence .lead{font-size:18px}.evidence-list p{font-size:16px}.evidence-list small,.evidence .text-link{font-size:14px}.care-number .metric-value{font-size:inherit;line-height:inherit;font-weight:inherit;margin:0;letter-spacing:inherit}.care-grid p{font-size:16px}.gift-copy p{font-size:18px}.gift-copy .tiny{font-size:14px}.faq-list summary{font-size:19px}.faq-list p{font-size:16px}.faq-head .lead{font-size:18px}.footer-layout{font-size:14px}.footer h3{font-size:18px}.footer-bottom{font-size:12px}.dialog-head p,.report-row>span,.report-row small{font-size:14px}.report-row p{font-size:16px}.report-checks span{font-size:13px}.motion-ready details[open]>p,.motion-ready details[open]>.comparison-table{animation:answer-arrive .4s var(--ease)}.button{--mx:0px;--my:0px;transform:translate(var(--mx),var(--my));transition:background .3s,transform .3s var(--ease),box-shadow .3s}.button:hover{transform:translate(var(--mx),calc(var(--my) - 2px));box-shadow:0 8px 24px #31584c1f}
@keyframes headline-arrive{from{opacity:0;transform:translateY(22px);filter:blur(5px)}to{opacity:1;transform:translateY(0);filter:blur(0)}}
@keyframes panel-arrive{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
@keyframes answer-arrive{from{opacity:.25;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}
@keyframes coat-trace{from{stroke-dashoffset:1600;opacity:.3}to{stroke-dashoffset:0;opacity:.9}}
@media(max-width:1100px){.why-layout{gap:60px}.system-panel p{font-size:18px}.system-tabs button{padding:11px 16px}.pinned-motion .system-stage{min-height:330px}.craft-point p,.coverage{font-size:15px}}
@media(max-width:760px){body{font-size:17px}h2,.materials h2,.craft h2{font-size:35px}.hero h1{font-size:clamp(39px,8.7vw,56px)}.hero .lead,.section-head .lead,.why .lead,.system .lead,.testing .lead{font-size:17px}.hero .kicker{font-size:12px}.kicker{font-size:12px}.tiny,.eyebrow{font-size:14px}.hero-facts strong{font-size:14px}.hero-facts span{font-size:12px}.why-layout{grid-template-columns:1fr;gap:33px}.why-explorer .source-controls{margin-top:15px}.why-explorer .eyebrow{font-size:14px}.source-button{font-size:18px}.source-answer{gap:15px;grid-template-columns:40px 1fr}.source-index{font-size:31px}.source-answer .source-description{font-size:16px;min-height:115px}.who span{font-size:13px}.why .who-line{font-size:14px}.field-label{font-size:15px}.check-chip span{font-size:13px}.assessment .section-head>.lead,.onsite-strip p{font-size:15px}.onsite-strip .text-link{font-size:14px}.assessment-result .result-summary,.result-advice{font-size:15px}.assessment-note,.score-meta,.model-detail{font-size:13px}.system-panel p{font-size:16px;line-height:1.8}.system-panel h3{font-size:30px;margin-bottom:15px}.system-panel .step-name,.system-panel .ingredient{font-size:13px}.scene-caption{font-size:12px}.system-panels{min-height:270px}.system-tabs{gap:6px}.system-tabs button{font-size:13px;padding:10px 12px}.system-tabs span{font-size:10px}.system-chapter{gap:12px;font-size:11px}.system-chapter>span:last-child{font-size:10px}.system-playback{font-size:11px;gap:12px}.system-playback input{max-width:145px}.pinned-motion .system-scrolltrack{height:300svh}.pinned-motion .system-sticky{top:74px;height:calc(100svh - 82px)}.pinned-motion .system-chapter{width:100%;margin-bottom:7px}.pinned-motion .system-stage{display:grid;grid-template-columns:1fr;gap:7px;min-height:0;max-height:none}.pinned-motion .scene{width:100%;height:200px;max-height:200px;margin:0;aspect-ratio:auto}.pinned-motion .scene>svg{height:200px}.pinned-motion .scene-caption{display:none}.pinned-motion .system-panels{min-height:240px}.pinned-motion .system-panel h3{font-size:27px;line-height:1.2}.pinned-motion .system-panel p{font-size:15px}.pinned-motion .system-panel .ingredient{margin-top:14px;font-size:12px}.pinned-motion .system-tabs{margin-top:10px;justify-content:center}.pinned-motion .system-playback{margin-top:8px}.process-step summary{font-size:18px}.process-step p,.craft-point p,.coverage{font-size:15px}.process-image{position:relative;top:auto}.process-image figcaption{font-size:14px}.craft-point h3{font-size:19px}.tester-info>p{font-size:17px}.testing-points span{font-size:13px}.test-compare summary{font-size:15px}.comparison-table{font-size:12px}.concentration-label,.concentration-unit,.acceptance p,.result-reference{font-size:14px}.segmented button{font-size:14px}.report-strip .lead,.evidence .lead{font-size:16px}.evidence-list p{font-size:15px}.evidence-list small{font-size:13px}.care-grid p{font-size:15px}.gift-copy p{font-size:17px}.gift-copy .tiny{font-size:14px}.faq-list summary{font-size:17px}.faq-list p{font-size:15px;line-height:1.9}.faq-head .lead{font-size:16px}.footer-layout{font-size:14px}.footer-bottom{font-size:12px}.contact .lead{font-size:16px}.contact .tiny{font-size:13px}.report-row p{font-size:15px}.report-row small,.report-row>span{font-size:13px}}
@media(prefers-reduced-motion:reduce){.motion-ready .hero-line,.system-panel{animation:none}.system-scrolltrack{height:auto!important}.system-sticky{position:relative!important;height:auto!important;top:auto!important}.hero-photo{clip-path:none}.craft-photo img,.process-image img,.tester-stage img{transform:none!important}.button{transform:none!important}}

/* Content-led interactions. Photography stays unaltered; diagrams explain their subject. */
.hero-explore{display:flex;align-items:center;justify-content:center;gap:30px;margin-top:25px}.hero-choices{display:flex;gap:7px;background:#edf3f1;border:1px solid #e1eae6;padding:5px;border-radius:40px}.hero-choices button{border:0;background:transparent;border-radius:30px;padding:9px 19px;font-size:14px;color:#667b75;transition:background .3s,box-shadow .3s,color .3s}.hero-choices button span{font-size:11px;opacity:.65;margin-right:5px}.hero-choices button[aria-pressed=true]{background:#fff;box-shadow:0 3px 12px #2644390d;color:#2e5f59}.motion-toggle{display:inline-flex;align-items:center;gap:9px;flex-shrink:0;background:transparent;border:0;color:#6b7e77;font-size:12px;padding:8px 0}.motion-toggle>span:first-child{display:grid;place-items:center;background:#edf3f1;border:1px solid #dce5e0;width:29px;height:29px;border-radius:50%;font-size:11px}.motion-toggle[aria-pressed=true]>span:first-child{background:#365f57;color:#fff}.motion-toggle:disabled{opacity:.6}.hero-photo{margin-top:24px;clip-path:none;transition:none}.hero-photo img{transform:none;will-change:auto}.hero-photo:after{inset:45% 0 0;background:linear-gradient(transparent,#061c245c)}.hero-photo figcaption{z-index:2;left:clamp(25px,4vw,65px);bottom:clamp(30px,4vw,58px);right:25px;max-width:650px;letter-spacing:0;text-shadow:0 2px 10px #0b272b66}.hero-caption-kicker{display:block;font-size:12px;letter-spacing:.12em;margin-bottom:11px;color:#e2efe6}.hero-photo #hero-stage-copy{display:block;font-size:clamp(20px,2.1vw,30px);line-height:1.55;max-width:620px;font-weight:550}.hero-photo figcaption a{display:inline-flex;align-items:center;gap:24px;margin-top:16px;font-size:14px;border-bottom:1px solid #fff7;padding-bottom:5px;min-height:35px}
.source-button[aria-pressed=true]{background:linear-gradient(90deg,#e8f0eb88,transparent);padding-left:10px}.gauge-fill{transition:stroke-dashoffset 1s var(--ease),stroke .7s}.assessment-result[data-level] .score-number{color:var(--score-color)}
.process-steps{position:relative;padding-left:18px;--process-progress:20%}.process-steps:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:#d5e1da}.process-steps:after{content:"";position:absolute;left:0;top:0;width:2px;height:var(--process-progress);background:#729e8c;transition:height .5s var(--ease)}.process-step summary{transition:color .3s,padding-left .3s}.process-step[open] summary{color:#34695c;padding-left:6px}.process-step summary:after{transition:transform .3s}.process-step[open] summary:after{transform:rotate(180deg)}.process-image>img,.tester-stage img,.gift-block>img{transform:none;will-change:auto}.process-beacon{position:absolute;left:23px;top:22px;z-index:3;display:flex;align-items:center;gap:11px;border-radius:35px;padding:10px 16px 10px 11px;background:#fffffff0;backdrop-filter:blur(12px);color:#38594a;font-size:13px;box-shadow:0 8px 24px #173e3210}.process-beacon #process-number{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#e0ece3;color:#416d58;font-size:12px}.process-image figcaption{z-index:2}
.method-explorer{margin:23px 0 25px;border:1px solid #dce7e0;border-radius:20px;padding:15px 17px;background:#f6f9f6}.method-caption{font-size:11px!important;letter-spacing:.05em;color:#879c8b!important;margin:0 0 2px!important}.method-visual{width:100%;height:86px;overflow:visible}.method-route{fill:none;stroke:#b5c8bc;stroke-width:1.2;stroke-dasharray:3 5}.method-node>circle:first-child{fill:#eff4ef;stroke:#d6e2d8;stroke-width:1}.method-node path{fill:none;stroke:#91aa99;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.reaction-bubble{fill:#88ae94;stroke:none}.method-node{opacity:.48;transition:opacity .4s}.method-explorer[data-method=sample] .method-sample,.method-explorer[data-method=reaction] .method-reaction,.method-explorer[data-method=analysis] .method-analysis{opacity:1}.method-explorer[data-method=sample] .method-sample>circle:first-child,.method-explorer[data-method=reaction] .method-reaction>circle:first-child,.method-explorer[data-method=analysis] .method-analysis>circle:first-child{fill:#e4eee4;stroke:#8fb19b}.method-controls{display:flex;gap:5px;justify-content:space-between}.method-controls button{flex:1;border:0;border-radius:30px;padding:7px 5px;font-size:12px;background:transparent;color:#7f9486;transition:color .3s,background .3s}.method-controls button[aria-pressed=true]{background:#dfece1;color:#38674e}.method-explorer #method-description{font-size:13px;line-height:1.8;color:#64806b;min-height:48px;margin:12px 2px 0}.motion-ready .method-explorer[data-method=reaction] .reaction-bubble{animation:reaction-rise 2.4s ease-in-out infinite}.motion-ready .method-explorer[data-method=reaction] .reaction-bubble:last-child{animation-delay:-1.2s}.motion-ready .method-explorer[data-method=analysis] .analysis-ray{stroke:#447e56;stroke-dasharray:60;animation:analysis-trace 4s ease-in-out infinite}.range-interval{transition:left .8s var(--ease),width .8s var(--ease),background .6s}
.faq-content{min-width:0}.faq-search-label{display:block;font-size:14px;color:#637c6d;margin-bottom:10px}.faq-search-shell{display:flex;align-items:center;border:1px solid #d7e1d9;border-radius:35px;background:#fff;overflow:hidden;padding-right:16px;transition:border-color .3s,box-shadow .3s}.faq-search-shell:focus-within{border-color:#76a58d;box-shadow:0 0 0 4px #76a58d12}.faq-search-shell input{min-width:0;width:100%;border:0;background:transparent;color:var(--ink);padding:13px 19px;outline-offset:-4px;font-size:15px}.faq-search-shell button{font-size:12px;border:0;background:#edf3ed;color:#5e7e67;border-radius:25px;padding:6px 12px;flex-shrink:0}.faq-count{font-size:12px;color:#84968a;margin:12px 0 18px}.faq-empty{font-size:15px;line-height:1.8;color:#728473;padding:24px 0}.faq-list summary:after{transition:transform .3s}.faq-list details[open] summary:after{transform:rotate(180deg)}
.js [data-motion-surface]:not(.is-inview) *,.js [data-motion-surface]:not(.is-inview) *:before,.js [data-motion-surface]:not(.is-inview) *:after{animation-play-state:paused!important}.motion-paused *,.motion-paused *:before,.motion-paused *:after{animation-play-state:paused!important;transition-duration:0s!important}.motion-paused .reveal{opacity:1;transform:none}.motion-paused .button{transform:none!important}
@keyframes reaction-rise{0%{transform:translateY(3px);opacity:.3}70%{transform:translateY(-9px);opacity:1}100%{transform:translateY(-12px);opacity:0}}@keyframes analysis-trace{0%,15%{stroke-dashoffset:60;opacity:.3}60%,100%{stroke-dashoffset:0;opacity:1}}
@media(max-width:1100px){.hero-explore{gap:15px}.hero-choices button{padding:8px 14px}}
@media(max-width:760px){.hero-explore{flex-wrap:wrap;gap:9px;margin-top:18px}.hero-choices{width:100%;padding:4px;justify-content:center}.hero-choices button{padding:8px 7px;flex:1;font-size:12px;white-space:nowrap}.hero-choices button span{font-size:9px;margin-right:2px}.motion-toggle{padding:0;font-size:11px;margin-left:auto}.motion-toggle>span:first-child{width:24px;height:24px}.hero-photo{margin-top:15px;min-height:360px}.hero-photo figcaption{left:24px;right:22px;bottom:25px;max-width:420px}.hero-photo #hero-stage-copy{font-size:22px;line-height:1.55}.hero-photo figcaption a{font-size:13px;margin-top:12px}.hero-caption-kicker{font-size:10px;margin-bottom:8px}.process-steps{padding-left:13px}.process-beacon{left:17px;top:17px;padding:8px 13px 8px 9px;font-size:12px}.process-beacon #process-number{width:27px;height:27px}.method-explorer{padding:13px 14px;border-radius:17px}.method-visual{height:80px}.method-explorer #method-description{font-size:13px;min-height:48px}.method-controls button{font-size:12px}.faq-search-shell input{font-size:14px}}
@media print{.hero-choices,.motion-toggle,.faq-search-label,.faq-search-shell,.faq-count{display:none}.faq-list details[hidden]{display:block!important}}

/* Film opening: readable copy over the quiet side of the scene. */
.hero.hero-film{padding:0;text-align:left;background:#fff}
.hero-cinema{position:relative;isolation:isolate;min-height:640px;height:calc(100svh - 76px);max-height:900px;overflow:hidden;background:#f3f0e9}
.hero-media{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-media img,.hero-media video{position:absolute;inset:0;display:block;width:100%;height:100%;object-fit:cover;object-position:68% 48%;max-width:none}
.hero-media video{opacity:0;transition:opacity .6s ease}
.hero-media.video-ready video{opacity:1}
.hero-shade{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(248,247,243,.98) 0%,rgba(248,247,243,.94) 20%,rgba(248,247,243,.76) 34%,rgba(248,247,243,.14) 54%,rgba(248,247,243,0) 67%)}
.hero-content.wrap{position:relative;z-index:2;display:flex;align-items:center;width:min(1640px,calc(100% - 112px));height:100%;padding:72px 0 96px;pointer-events:none}
.hero-copy{width:58%;max-width:660px;pointer-events:auto}
.hero-film .hero-service{font-size:15px;letter-spacing:.085em;line-height:1.7;margin:0 0 23px;color:#355d60}
.hero-film h1{font-size:clamp(42px,4.25vw,64px);line-height:1.28;font-weight:750;letter-spacing:-.06em;color:#263936}
.hero-film .hero-line{white-space:nowrap}
.hero-film .hero-line.accent{color:#3d7174}
.hero-film .hero-intro{margin:24px 0 0;max-width:530px;font-size:18px;line-height:1.9;color:#4b605d;text-wrap:pretty}
.hero-actions{display:flex;align-items:center;gap:25px;flex-wrap:wrap;margin-top:30px}
.hero-actions .button{min-height:52px;padding:15px 24px;font-size:16px;gap:26px;background:#355f5e;box-shadow:0 8px 24px #2c4f4114}
.hero-actions .button:hover{background:#244b4a}
.hero-actions .text-link{font-size:15px;min-height:48px;gap:17px;color:#355d60}
.hero-assurances{display:flex;align-items:center;gap:0;flex-wrap:wrap;margin-top:25px;color:#536660;font-size:13px;line-height:1.7}
.hero-assurances span+span:before{content:"";display:inline-block;vertical-align:middle;width:3px;height:3px;border-radius:50%;margin:0 13px;background:#899b92}
.hero-scroll{position:absolute;z-index:3;left:max(56px,calc((100% - 1640px)/2));bottom:28px;display:inline-flex;align-items:center;gap:24px;font-size:13px;font-weight:600;letter-spacing:.025em;color:#536b63;min-height:44px}
.hero-scroll span{font-size:18px}
.hero-navigation.wrap{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:48px;padding-top:32px;padding-bottom:32px;border-bottom:1px solid #e1e8e4}
.hero-film .hero-explore{width:100%;display:block;margin:0}
.hero-film .hero-choices{width:100%;gap:8px;padding:0;background:none;border:0;border-radius:0}
.hero-film .hero-choices button{flex:1;min-height:48px;padding:11px 13px;font-size:14px;white-space:nowrap;background:#f2f5f3;color:#60736c;box-shadow:none}
.hero-film .hero-choices button[aria-pressed=true]{background:#e0ece6;color:#315a4f;box-shadow:none}
.hero-film .hero-choices button:hover{background:#e8eeea}
.hero-guidance figcaption{display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:22px;align-items:center;text-shadow:none;letter-spacing:0}
.hero-guidance .hero-caption-kicker{grid-column:1 / -1;margin:0 0 7px;font-size:11px;color:#6e8378;letter-spacing:.1em}
.hero-guidance #hero-stage-copy{font-size:15px;line-height:1.7;color:#4f625a}
.hero-guidance #hero-stage-link{display:inline-flex;align-items:center;gap:12px;font-size:14px;font-weight:650;white-space:nowrap;color:#3c7076;min-height:44px}

@media(min-width:1600px){.hero-copy{width:48%}}
@media(max-width:1100px){
 .hero-cinema{height:auto;min-height:0;max-height:none;overflow:hidden;display:flex;flex-direction:column}
 .hero-media{position:relative;inset:auto;aspect-ratio:16/9;width:100%;flex-shrink:0}
 .hero-media img,.hero-media video{object-fit:contain;object-position:center}
 .hero-shade{display:none}
 .hero-content.wrap{height:auto;width:min(900px,calc(100% - 64px));padding:38px 0 42px;display:block}
 .hero-copy{width:100%;max-width:none}
 .hero-film h1{font-size:clamp(40px,5.6vw,58px)}
 .hero-film .hero-service{margin-bottom:16px;font-size:14px}
 .hero-film .hero-intro{font-size:18px;margin-top:20px;max-width:640px}
 .hero-actions{margin-top:25px}
 .hero-assurances{margin-top:20px}
 .hero-scroll{display:none}
 .hero-navigation.wrap{gap:26px;grid-template-columns:1fr;padding-block:26px}
 .hero-film .hero-choices{max-width:640px}
 .hero-guidance figcaption{grid-template-columns:minmax(0,1fr) auto}
}
@media(max-width:760px){
 .hero-cinema{display:block;background:#f3f0e9}
 .hero-media{position:absolute;inset:0 0 auto;width:100%;height:min(75vw,420px);aspect-ratio:auto}
 .hero-media img,.hero-media video{object-fit:cover;object-position:58% 44%}
 .hero-shade{display:block;inset:0 0 auto;height:min(75vw,420px);background:linear-gradient(180deg,rgba(243,240,233,0) 50%,rgba(243,240,233,.38) 78%,#f3f0e9 100%)}
 .hero-content.wrap{width:calc(100% - 44px);padding:calc(min(75vw,420px) - 14px) 0 32px}
 .hero-film .hero-service{font-size:13px;letter-spacing:.06em;margin-bottom:14px}
 .hero-film h1{font-size:clamp(29px,8.5vw,44px);line-height:1.3;letter-spacing:-.065em}
 .hero-film .hero-intro{font-size:16px;line-height:1.85;margin:18px 0 0;max-width:none}
 .hero-film .hero-intro br:first-of-type{display:none}
 .hero-actions{gap:10px 12px;margin-top:22px}
 .hero-actions .button{font-size:15px;min-height:49px;padding:14px 16px;gap:12px}
 .hero-actions .text-link{font-size:14px;min-height:44px;gap:11px}
 .hero-assurances{font-size:12px;line-height:1.9;margin-top:17px}
 .hero-assurances span+span:before{margin-inline:9px}
 .hero-navigation.wrap{width:calc(100% - 44px);padding-block:22px;gap:18px}
 .hero-film .hero-choices{gap:6px}
 .hero-film .hero-choices button{padding:10px 8px;font-size:13px;min-height:44px}
 .hero-film .hero-choices button span{display:none}
 .hero-guidance figcaption{column-gap:14px}
 .hero-guidance .hero-caption-kicker{font-size:10px;margin-bottom:5px}
 .hero-guidance #hero-stage-copy{font-size:14px;line-height:1.7}
 .hero-guidance #hero-stage-link{font-size:13px;white-space:normal;max-width:85px;line-height:1.6}
}
@media(prefers-reduced-motion:reduce){.hero-media video{transition:none}}
@media print{
 .hero-cinema{height:auto;min-height:0;max-height:none;display:block;overflow:visible}
 .hero-media{position:relative;aspect-ratio:16/9}
 .hero-media video,.hero-shade,.hero-scroll,.hero-navigation{display:none}
 .hero-content.wrap{height:auto;width:100%;padding:28px 0}
 .hero-copy{width:100%;max-width:none}
}

/* Report-backed comparison: keep source numbers and units visible. */
.nanobest-link{display:block;flex-shrink:0}
.validation-block{margin-top:56px;padding:36px;border:1px solid #dce5df;border-radius:28px;background:#f7f9f6}
.validation-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:30px;margin-bottom:28px}
.validation-heading .eyebrow{color:#668073;margin-bottom:12px;font-size:13px;letter-spacing:.055em}
.validation-heading h3{font-size:30px;line-height:1.35}
.validation-heading>div>p:last-child{max-width:700px;font-size:17px;line-height:1.85;color:#5f7267;margin-top:15px}
.validation-badge{flex-shrink:0;border:1px solid #cdded2;border-radius:30px;padding:8px 14px;font-size:13px;line-height:1.5;color:#50705b;background:#fff}
.validation-comparison{display:grid;grid-template-columns:minmax(0,1fr) 38px minmax(0,1fr);gap:22px;align-items:center}
.validation-card{background:#fff;border:1px solid #dee7df;border-radius:20px;padding:26px 28px}
.validation-device{background:#edf4ed;border-color:#cbded0}
.validation-label{font-size:18px;font-weight:650;line-height:1.4;color:#365c4d}
.validation-context{display:block;font-size:14px;color:#6c7e72;margin-top:5px}
.validation-value{display:block;font-size:52px;line-height:1.1;letter-spacing:-.04em;font-weight:700;font-variant-numeric:tabular-nums;color:#355b4b;margin-top:23px}
.validation-value small{display:block;font-size:16px;letter-spacing:0;font-weight:500;margin-top:9px}
.validation-conversion{font-size:16px;line-height:1.65;color:#597362;margin-top:18px}
.validation-equals{text-align:center;font-size:37px;font-weight:300;color:#6a8c78}
.validation-source{font-size:14px;line-height:1.8;color:#6b7b70;margin-top:21px}
.validation-evidence{border-top:1px solid #dbe5dc;margin-top:22px;padding-top:2px}
.validation-evidence>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;padding:18px 0 0;font-size:16px;font-weight:600;color:#3b6551;min-height:48px}
.validation-evidence>summary::-webkit-details-marker{display:none}
.validation-evidence>summary span{font-size:23px;font-weight:300;transition:transform .25s}
.validation-evidence[open]>summary span{transform:rotate(45deg)}
.validation-gallery{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:24px}
.validation-gallery figure{overflow:hidden;border:1px solid #dce5dc;border-radius:14px;background:#fff}
.validation-gallery a{display:block;padding:10px}
.validation-gallery img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:#fff}
.validation-gallery figcaption{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid #e4ebe4;padding:13px 16px;font-size:14px;line-height:1.6;color:#4c6455}
.validation-gallery figcaption span{white-space:nowrap;font-size:12px;color:#718476}
.validation-note{font-size:14px;color:#6b7b70;line-height:1.9;margin-top:20px}
.validation-note a{display:inline-block;color:#3c7076;margin-left:8px;text-decoration:underline;text-underline-offset:4px}
@media(max-width:760px){
 .nav{gap:12px}
 .brand{gap:8px}
 .brand-crop{width:72px;height:50px}
 .brand-crop img{width:100px;height:100px;top:-23px;left:-16px}
 .nav .nanobest{display:block;width:80px}
 .nav .brand-sep{display:block;height:22px}
 .nav .nav-contact{font-size:11px;padding:9px 12px}
 .validation-block{margin-top:38px;padding:24px 20px;border-radius:22px}
 .validation-heading{display:block;margin-bottom:22px}
 .validation-heading h3{font-size:26px}
 .validation-heading>div>p:last-child{font-size:16px;margin-top:13px}
 .validation-badge{display:inline-block;font-size:12px;padding:6px 11px;margin-top:17px}
 .validation-comparison{grid-template-columns:minmax(0,1fr) 22px minmax(0,1fr);gap:8px}
 .validation-card{padding:19px 13px;border-radius:15px;align-self:stretch}
 .validation-label{font-size:14px;overflow-wrap:anywhere}
 .validation-context{font-size:12px;line-height:1.65;min-height:40px}
 .validation-value{font-size:clamp(28px,8.3vw,42px);margin-top:14px}
 .validation-value small{font-size:13px;margin-top:7px}
 .validation-conversion{font-size:13px;margin-top:13px}
 .validation-conversion b{display:block;font-weight:650}
 .validation-equals{font-size:28px}
 .validation-source{font-size:13px;margin-top:18px}
 .validation-evidence>summary{font-size:15px;line-height:1.7}
 .validation-gallery{grid-template-columns:1fr;gap:16px}
 .validation-note{font-size:13px}
}
@media(max-width:370px){.nav .nav-contact{display:none}.hero-actions{gap:8px}.hero-actions .button{font-size:14px;padding:14px;gap:10px}.hero-actions .text-link{font-size:13px;gap:8px}}

/* Keep meaningful phrase endings together on narrow screens. */
.coverage-block{max-width:760px;margin:30px auto}
.contact .coverage-title{font-size:18px;font-weight:600;line-height:1.8;color:#43675b}
.service-coverage{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:16px}
.service-coverage>div{padding:17px 18px;background:#ffffff70;border:1px solid #cbdcc9;border-radius:16px}
.service-coverage strong{display:block;font-size:17px;color:#3c6954;line-height:1.6}
.service-coverage span{display:block;font-size:15px;color:#5d7768;line-height:1.8;margin-top:4px}
.contact .coverage-note{font-size:13px;color:#68816f;line-height:1.8;margin-top:12px}
@media(max-width:760px){.service-coverage{grid-template-columns:1fr;gap:10px;max-width:440px;margin-inline:auto}.service-coverage>div{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px 17px}.service-coverage strong{font-size:16px;white-space:nowrap}.service-coverage span{font-size:14px;margin-top:0;text-align:right}.contact .coverage-title{font-size:17px}.coverage-block{margin-block:25px}}
.knowledge{background:#f1f4ee}
.knowledge .section-head{align-items:start;margin-bottom:32px}
.knowledge h2{font-size:38px;line-height:1.5;letter-spacing:-.035em}
.knowledge .section-head .lead{max-width:34em;font-size:18px;line-height:1.9}
.knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.knowledge .related-card{display:flex;flex-direction:column;align-items:flex-start;padding:29px 27px;background:#fff;border:1px solid #d9e2d6;border-radius:24px;text-decoration:none;color:var(--ink);transition:border-color .2s,box-shadow .2s}
.knowledge .related-card:hover{border-color:#799d84;box-shadow:0 8px 24px #375a4610}
.knowledge .related-card>span{font-size:12px;color:#6b8973;letter-spacing:.04em}
.knowledge .related-card h3{font-size:24px;line-height:1.6;margin:15px 0;color:#365e4b}
.knowledge .related-card p{font-size:16px;line-height:1.95;color:var(--muted);margin:0 0 24px}
.knowledge .related-card b{display:block;margin-top:auto;font-size:14px;color:#426e6f;font-weight:600}
.knowledge-service{font-size:15px;line-height:1.9;color:#64776b;margin-top:25px;max-width:65em}
@media(max-width:900px){.knowledge-grid{grid-template-columns:1fr}.knowledge .related-card{padding:25px 27px}.knowledge .related-card h3{font-size:23px}.knowledge .related-card p{margin-bottom:18px}}
@media(max-width:760px){.knowledge h2{font-size:28px}.knowledge .section-head .lead{font-size:16px}.knowledge-service{font-size:14px}.knowledge .related-card h3{font-size:22px}}
@media(max-width:370px){.knowledge .related-card h3{font-size:20px}}
.keep-phrase{white-space:nowrap}
.result-range+.result-range:before{content:"｜";display:inline-block;margin-inline:14px}
.reference-note{display:block}
@media(max-width:760px){
 p,figcaption{line-break:strict;text-wrap:pretty}
 .contact .lead{max-width:34em}
 .result-reference .reference-note{display:block;margin-top:5px}
 .result-range{display:block}
 .result-range+.result-range:before{display:none}
}
/* Touch screens and embedded pages use ordinary page scrolling. */
@media(max-width:1099px),(hover:none),(pointer:coarse){
 .pinned-motion .system-scrolltrack{height:auto!important}
 .pinned-motion .system-sticky{position:relative!important;top:auto!important;height:auto!important}
 .pinned-motion .system-stage{max-height:none;min-height:0}
}