:root{
 --paper:#fffdf8;--ink:#1a1a1a;--navy:#1e3a5f;--navy-10:#eef2f7;
 --gold:#b8862b;--gold-20:#c9b27a;--green:#1f9d55;--green-d:#177a42;
 --line:#d9dde3;--white:#fff;--muted:#777;--device:#222c2a;
 --shadow-soft:#1111110d;--shadow-medium:#11111115;--shadow-deep:#1111111a;
 --shadow-light:#11111108;--shadow-faint:#11111105;--overlay:#000b;--shadow-dialog:#0003;
 --cta-top:#36bf7b;--cta-middle:#138747;--cta-bottom:#087137;--cta-base:#075d2d;
 --cta-gloss:rgba(255,255,255,.66);--cta-gloss-end:rgba(255,255,255,.03);--cta-rim:rgba(255,255,255,.38);--cta-shade:rgba(0,62,28,.28);--cta-clear:rgba(255,255,255,0);
 --font:'Noto Sans JP',sans-serif;--content-width:1080px;--gutter:40px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--font);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p,figure{margin:0}h1,h2,h3,h4{font-weight:800;line-height:1.45}a{color:inherit;text-underline-offset:5px}button{font:inherit;color:inherit;cursor:pointer}a,button,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:5px}img{display:block;max-width:100%;height:auto}em{font-style:normal;color:var(--gold)}button{touch-action:manipulation}.shell{width:min(1080px,calc(100% - 80px));margin-inline:auto}.narrow{width:min(760px,calc(100% - 80px));margin-inline:auto}.preview-note{display:flex;justify-content:center;gap:16px;align-items:center;padding:7px 20px;border-bottom:1px solid var(--line);font-size:12px;letter-spacing:.04em}.preview-note a{margin-left:12px}.site-header{height:84px;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;gap:12px;align-items:center;text-decoration:none;font-size:15px;font-weight:800;letter-spacing:.02em}.brand svg{width:27px;height:27px;stroke:var(--gold);fill:none;stroke-width:2}.header-link{font-size:13px;text-decoration:none;font-weight:600}.header-link span{color:var(--gold);padding-left:16px}.hero{text-align:center;padding:43px 0 62px}.eyebrow{font-size:14px;font-weight:700;letter-spacing:.08em;display:flex;justify-content:center;align-items:center;gap:10px}.red-dot{width:7px;height:7px;background:var(--gold);border-radius:50%;flex:none}h1{font-size:clamp(40px,4.4vw,60px);letter-spacing:-.04em;line-height:1.43;margin:17px 0 18px}h1 em{position:relative}h1 em:after{content:'';position:absolute;height:2px;background:var(--gold);left:0;right:0;bottom:-2px}.hero-lead{font-size:16px;line-height:1.9}.mobile-only{display:none}
/* An editorial product composition: actual tool screenshots and a clearly labelled Web-book mockup. */
.product-stage{height:335px;max-width:870px;margin:31px auto 0;position:relative;text-align:left;isolation:isolate}.stage-line{position:absolute;left:0;right:0;bottom:13px;border-bottom:1px solid var(--line)}.book-object{position:absolute;left:6%;top:9px;width:255px;height:300px;background:var(--white);border:1px solid var(--line);border-left:13px solid var(--gold);padding:21px 22px;box-shadow:7px 10px 23px var(--shadow-medium);transform:rotate(-5deg);z-index:3;display:flex;flex-direction:column}.book-meta{font-size:10px;letter-spacing:.1em}.book-name{font-size:16px;font-weight:800;line-height:1.7;margin-top:23px}.book-name b{font-size:25px;letter-spacing:-.07em}.book-rule{width:36px;height:3px;background:var(--gold);margin:17px 0}.book-object p{font-size:11px;line-height:1.9}.book-bottom{margin-top:auto;border-top:1px solid var(--line);padding-top:11px;display:flex;justify-content:space-between;gap:4px;align-items:center;font-size:11px;font-weight:700}.book-bottom small{font-size:9px;border:1px solid var(--line);padding:2px 4px}.book-dot{color:var(--gold)}.stage-browser{position:absolute;left:31%;top:28px;width:57%;height:273px;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--white);box-shadow:0 10px 24px var(--shadow-soft)}.stage-browser img{width:100%}.window-bar{height:33px;display:flex;align-items:center;gap:20px;padding:0 14px;border-bottom:1px solid var(--line);background:var(--white);text-align:left}.window-bar>span:first-child{font-size:9px;letter-spacing:4px;color:var(--muted)}.window-bar b{font-size:11px;font-weight:500;letter-spacing:.03em}.stage-phone{position:absolute;right:0;top:63px;width:135px;height:255px;border:5px solid var(--device);border-radius:22px;overflow:hidden;box-shadow:0 10px 20px var(--shadow-deep);z-index:4;transform:rotate(5deg)}.stage-phone img{width:100%;max-width:none}.stage-label{position:absolute;z-index:4;font-size:11px;font-weight:700;letter-spacing:.08em;border-bottom:1px solid var(--gold);padding-bottom:3px}.stage-label-a{left:42%;top:0}.stage-label-b{right:0;bottom:-12px}.image-note{font-size:12px;line-height:1.6;margin-top:9px}.hero-offer{margin:26px auto 0;max-width:740px}.offer-spec{font-size:16px;font-weight:700;display:flex;justify-content:center;align-items:baseline;gap:3px;letter-spacing:.03em}.offer-spec span{font-size:24px;font-weight:800}.offer-spec i{height:14px;border-left:1px solid var(--line);margin:0 18px;transform:rotate(15deg)}.offer-action{margin:17px auto 13px;display:flex;align-items:center;justify-content:center;gap:24px}.hero-price{font-size:12px;white-space:nowrap}.hero-price strong{font-size:30px;letter-spacing:-.02em;margin-left:7px}.hero-price small{font-size:12px;margin-left:4px}.button{display:flex;justify-content:center;align-items:center;gap:25px;border:1px solid var(--gold);border-radius:5px;background:var(--gold);color:var(--white);font-size:15px;font-weight:700;min-height:58px;text-decoration:none;padding:15px 24px;transition:background .15s,transform .15s}.button:hover{background:var(--gold)}.button:active{transform:translateY(1px)}.button>span{font-size:19px;font-weight:400}.text-link{font-size:13px}.text-link span{color:var(--gold);margin-left:8px}.genre-ribbon{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;border-top:1px solid var(--line);padding-top:32px}.genre-ribbon img{width:100%;aspect-ratio:16/10;object-fit:cover}.genre-ribbon figcaption{font-weight:600;font-size:13px;margin-top:7px}.genre-ribbon>p{grid-column:1/-1;font-size:12px;text-align:right;margin-top:-2px}
/* One-column narrative, with roomy full-width tool previews. */
.tools{padding-top:110px}.section-intro{text-align:center}.section-intro h2{font-size:39px;letter-spacing:-.035em;margin:16px 0 20px}.section-intro>p:last-child{font-size:15px}.journey{display:grid;grid-template-columns:repeat(4,1fr);margin-top:46px;border-block:1px solid var(--line)}.journey a{display:flex;gap:12px;justify-content:center;align-items:center;text-decoration:none;min-height:70px;font-size:13px}.journey a+a{border-left:1px solid var(--line)}.journey b{font-size:12px;font-weight:500;color:var(--gold)}.journey a:hover{color:var(--gold)}.tool{max-width:900px;margin:85px auto 0;padding-bottom:65px;border-bottom:1px solid var(--line)}.tool-heading{display:flex;align-items:flex-start;gap:28px}.tool-number{color:var(--gold);font-size:56px;font-weight:400;letter-spacing:-.08em;line-height:1.2;min-width:72px;padding-top:3px}.tool-tag{font-size:12px;font-weight:600;margin:0 0 9px;letter-spacing:.04em}.tool h3{font-size:31px;letter-spacing:-.025em}.tool-lead{font-size:15px;line-height:1.95;margin:23px 0 29px;padding-left:100px}.screen{display:block;width:100%;padding:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:var(--white);box-shadow:0 14px 30px var(--shadow-light);text-align:left}.screen .window-bar{height:38px}.screen .window-bar b{font-size:12px}.zoom-label{margin-left:auto;font-size:12px;color:var(--gold)}.screen-viewport{display:block;overflow:hidden;width:100%}.screen-viewport img{width:100%;max-width:none}.screen-property .screen-viewport{max-height:445px}.screen-research .screen-viewport{max-height:390px}.screen-shopping{max-width:760px;margin-inline:auto}.screen-shopping .screen-viewport{height:320px;position:relative}.screen-shopping img{position:absolute;top:-265px;left:0}.tool-outcome{display:flex;align-items:center;gap:28px;justify-content:center;margin-top:27px;font-size:12px;line-height:1.8}.tool-outcome b{font-size:15px;font-weight:600}.tool-outcome .arrow{font-size:24px;color:var(--gold)}.caption{font-size:12px;text-align:center;line-height:1.8;margin-top:15px}.tool-cleaning{border-bottom:0}.cleaning-demo{display:flex;align-items:center;justify-content:center;gap:70px;margin-top:40px}.phone-demo{flex:0 0 280px;width:280px}.phone-demo button{display:block;width:100%;padding:0;background:var(--white);border:0}.phone-crop{display:block;width:280px;height:548px;overflow:hidden;border-radius:29px;border:4px solid var(--device);box-shadow:0 18px 32px var(--shadow-medium)}.phone-crop img{width:100%;max-width:none}.phone-zoom{font-size:12px;display:block;margin-top:16px;color:var(--gold);text-decoration:underline;text-underline-offset:4px}.phone-demo figcaption{text-align:center;font-size:12px;margin-top:6px}.cleaning-flow{list-style:none;padding:0;margin:0;display:grid;gap:42px}.cleaning-flow li{display:flex;gap:18px;align-items:flex-start;position:relative}.cleaning-flow li>span{border:1px solid var(--gold);border-radius:50%;width:28px;height:28px;display:grid;place-items:center;color:var(--gold);font-size:12px;flex:none}.cleaning-flow li:not(:last-child):after{content:'';position:absolute;top:37px;bottom:-32px;left:14px;border-left:1px solid var(--line)}.cleaning-flow h4{font-size:17px;font-weight:700}.cleaning-flow p{font-size:14px;margin-top:8px}
.sample{border-top:1px solid var(--line);padding-top:55px;text-align:center;margin-top:25px;margin-bottom:100px}.sample h2{font-size:29px;margin:12px 0 18px}.sample>p:last-of-type{font-size:15px;margin-bottom:26px}.sample details,.conditions{text-align:left;border-block:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px;font-weight:600;padding:21px 0}summary::-webkit-details-marker{display:none}.details-icon{font-weight:400;color:var(--gold);font-size:20px;flex:none}details[open]>summary .details-icon{transform:rotate(45deg)}.free-body{padding-top:15px;font-size:16px}.free-body h3{font-size:22px}.free-body h4{font-size:20px;margin:32px 0 16px}.free-body h5{font-size:18px;margin:24px 0 12px}.free-body p{margin:18px 0}.free-body figure{margin:24px 0}.free-body figcaption{font-size:12px}.free-body hr{border:0;border-top:1px solid var(--line);margin:30px 0}
.purchase{padding:80px 0 90px;border-top:2px solid var(--gold)}.purchase-heading{text-align:center}.purchase h2{font-size:39px;letter-spacing:-.04em;margin-top:14px}.purchase-box{width:min(680px,100%);margin:38px auto 0;border:1px solid var(--line);border-top:4px solid var(--gold);border-radius:3px;padding:35px 44px;text-align:center}.purchase-name{font-weight:800;font-size:23px;letter-spacing:-.025em}.purchase-spec{font-size:15px;margin-top:9px}.included{list-style:none;padding:23px 0 24px;margin:23px 0 0;border-block:1px solid var(--line);display:grid;gap:8px;text-align:left;font-size:14px}.included li:before{content:'✓';color:var(--gold);display:inline-block;width:25px}.price-block{padding:25px 0 23px}.price-block>span{font-size:12px}.price-block>p{display:flex;align-items:baseline;justify-content:center;font-size:31px;line-height:1.4}.price-block strong{font-size:64px;font-weight:800;letter-spacing:-.04em}.price-block small{font-size:14px;margin-left:7px}.purchase-button{width:100%}.payment-note{font-size:12px;margin-top:12px}.delivery{display:flex;justify-content:center;gap:24px;list-style:none;margin:25px 0 22px;padding:0;font-size:12px}.delivery li{display:flex;align-items:center;gap:7px}.delivery b{color:var(--gold);font-size:10px;font-weight:500}.conditions summary{font-size:13px;padding:17px 0}.conditions>div{font-size:13px;line-height:1.8;padding:5px 0 20px}.conditions p{margin-bottom:14px}.conditions a{color:var(--gold)}footer{border-top:1px solid var(--line);padding:26px 0 90px;font-size:12px;display:flex;gap:30px;justify-content:space-between}footer details{max-width:540px}footer summary{padding:0;font-size:12px;text-decoration:underline;text-underline-offset:4px}footer details p{margin-top:14px}.sticky-buy{position:fixed;bottom:0;left:0;right:0;z-index:10;background:var(--paper);border-top:1px solid var(--line);padding:11px max(20px,calc((100% - 900px)/2));display:flex;justify-content:space-between;align-items:center;box-shadow:0 -4px 20px var(--shadow-faint);gap:20px}.sticky-buy[hidden]{display:none}.sticky-buy>span{font-size:11px;line-height:1.5}.sticky-buy strong{display:block;font-size:23px;font-weight:800}.sticky-buy small{font-weight:400;font-size:11px;margin-left:5px}.sticky-buy a{background:var(--gold);color:var(--white);border-radius:4px;padding:12px 27px;font-size:13px;font-weight:700;text-decoration:none}.image-dialog,.purchase-dialog{border:0;border-radius:8px;max-width:calc(100vw - 24px);padding:24px;color:var(--ink);background:var(--white);max-height:90dvh;box-shadow:0 20px 80px var(--shadow-dialog)}.image-dialog{width:min(1100px,calc(100vw - 24px))}.image-dialog::backdrop,.purchase-dialog::backdrop{background:var(--overlay)}.dialog-close{display:block;margin:0 0 15px auto;border:1px solid var(--line);border-radius:3px;padding:7px 13px;background:var(--white);font-size:14px;min-height:44px}#image-caption{font-size:14px;margin-bottom:16px;max-width:850px}.image-scroll{overflow:auto;max-height:65dvh;overscroll-behavior:contain}.image-scroll img{max-width:none;width:100%;min-width:700px}.purchase-dialog{width:560px;text-align:center;padding:25px 32px 35px}.purchase-dialog h2{font-size:25px;margin:15px 0}.purchase-dialog p{font-size:14px;margin-bottom:20px}.purchase-dialog .button{width:100%}body:has(dialog[open]){overflow:hidden}
@media(min-width:1500px){.hero{padding-top:60px}.product-stage{margin-top:40px}}
@media(max-width:850px){.shell{width:calc(100% - 48px)}.narrow{width:calc(100% - 48px)}.header-link{display:none}.hero{padding-top:30px}h1{font-size:43px}.product-stage{max-width:670px;height:290px}.book-object{left:1%;width:210px;height:270px;padding:17px}.book-name{font-size:14px;margin-top:21px}.book-name b{font-size:21px}.book-rule{margin:15px 0}.stage-browser{left:26%;width:64%;height:245px}.stage-phone{width:120px;height:228px;top:55px;right:0}.stage-label-b{bottom:-10px}.genre-ribbon{gap:10px}.section-intro h2,.purchase h2{font-size:34px}.tool h3{font-size:27px}.tool-number{font-size:46px;min-width:55px}.tool-heading{gap:20px}.tool-lead{padding-left:75px}.screen-property .screen-viewport{max-height:340px}.screen-shopping .screen-viewport{height:270px}.screen-shopping img{top:-225px}.cleaning-demo{gap:35px}.phone-demo{width:250px;flex-basis:250px}.phone-crop{width:250px;height:490px}.cleaning-flow h4{font-size:15px}.cleaning-flow p{font-size:13px}.journey a{gap:7px;font-size:12px}footer{display:block}footer details{margin-top:20px}.offer-action{gap:15px}.offer-action .button{font-size:13px;padding-inline:16px}}
@media(max-width:540px){html{scroll-padding-top:14px}.shell,.narrow{width:calc(100% - 40px)}.preview-note{font-size:10px;padding:5px 12px;justify-content:space-between;gap:6px;letter-spacing:0}.preview-note span{display:none}.preview-note a{margin:0}.site-header{height:61px}.brand{font-size:12px;gap:8px;letter-spacing:0}.brand svg{width:22px;height:22px}.hero{padding:18px 0 39px}.eyebrow{font-size:10.5px;letter-spacing:.01em;gap:6px}.red-dot{width:5px;height:5px}h1{font-size:clamp(24px,7.1vw,36px);line-height:1.53;letter-spacing:-.055em;margin:12px -3px 13px}.hero-lead{font-size:12px;line-height:1.9}.mobile-only{display:initial}.desktop-only{display:none}.product-stage{height:190px;margin-top:21px;max-width:370px}.stage-line{bottom:0}.book-object{width:137px;height:176px;left:1%;top:3px;border-left-width:7px;padding:11px 10px;box-shadow:4px 8px 15px var(--shadow-medium)}.book-meta{font-size:6px;letter-spacing:0}.book-name{font-size:9px;margin-top:14px}.book-name b{font-size:13.5px;letter-spacing:-.04em}.book-rule{width:21px;height:2px;margin:10px 0}.book-object p{font-size:7px;line-height:1.8}.book-bottom{font-size:6.5px;padding-top:7px}.book-bottom small{font-size:6px;padding:0 2px}.stage-browser{left:31%;top:21px;width:62%;height:144px;border-radius:4px}.window-bar{height:18px;gap:7px;padding:0 6px}.window-bar>span:first-child{font-size:5px;letter-spacing:2px}.window-bar b{font-size:6px}.stage-phone{top:52px;width:69px;height:130px;border-width:3px;border-radius:13px}.stage-label{font-size:6px;letter-spacing:0}.stage-label-a{left:47%;top:3px}.stage-label-b{display:none}.image-note{font-size:9px;margin-top:8px}.hero-offer{margin-top:19px}.offer-spec{font-size:12px;gap:2px}.offer-spec span{font-size:21px}.offer-spec i{margin-inline:12px;height:12px}.offer-action{display:flex;flex-direction:column;gap:12px;margin-top:10px;margin-bottom:13px}.hero-price{font-size:11px;line-height:1.3}.hero-price strong{font-size:29px}.hero-price small{font-size:11px}.offer-action .button{width:100%;min-height:54px;font-size:13px;gap:15px;padding:12px 14px}.text-link{font-size:12px}.genre-ribbon{grid-template-columns:repeat(2,1fr);gap:16px 10px;padding-top:25px}.genre-ribbon figcaption{font-size:11px;margin-top:5px}.genre-ribbon>p{font-size:10px;text-align:left;line-height:1.6;margin:0}.tools{padding-top:69px}.section-intro h2{font-size:25px;margin:13px -3px 17px;letter-spacing:-.045em}.section-intro>p:last-child{font-size:12px;line-height:1.9}.journey{grid-template-columns:1fr 1fr;margin-top:29px}.journey a{min-height:52px;justify-content:flex-start;padding-left:12px;gap:9px;font-size:11px}.journey a:nth-child(3){border-left:0}.journey a:nth-child(n+3){border-top:1px solid var(--line)}.journey b{font-size:10px}.tool{margin-top:48px;padding-bottom:44px}.tool-heading{gap:13px}.tool-number{font-size:32px;min-width:34px;padding-top:18px}.tool-tag{font-size:9px;line-height:1.7;letter-spacing:0;margin-bottom:8px}.tool h3{font-size:22px;line-height:1.55;letter-spacing:-.045em}.tool-lead{padding:0;font-size:13px;line-height:1.95;margin:20px 0 22px}.screen .window-bar{height:32px;padding:0 9px;gap:8px}.screen .window-bar>span:first-child{font-size:5px}.screen .window-bar b{font-size:10px}.zoom-label{font-size:10px}.screen-property .screen-viewport{height:243px;max-height:none;position:relative}.screen-property .screen-viewport img{width:520px;max-width:none;position:absolute;top:0;left:0}.screen-research .screen-viewport{height:232px;max-height:none;position:relative}.screen-research .screen-viewport img{width:740px;position:absolute;left:-1px;top:-12px}.screen-shopping .screen-viewport{height:230px;position:relative}.screen-shopping .screen-viewport img{width:565px;left:0;top:-200px}.tool-outcome{gap:11px;margin-top:19px;font-size:10px;justify-content:space-between}.tool-outcome b{font-size:11px}.tool-outcome .arrow{font-size:18px}.caption{font-size:10px;text-align:left;margin-top:12px;line-height:1.8}.cleaning-demo{flex-direction:column;gap:33px;margin-top:29px}.phone-demo{width:280px;flex-basis:auto}.phone-crop{width:280px;height:548px}.phone-zoom{font-size:12px}.phone-demo figcaption{font-size:10px}.cleaning-flow{gap:28px;width:280px}.cleaning-flow li{gap:15px}.cleaning-flow h4{font-size:14px}.cleaning-flow p{font-size:12px;line-height:1.9;margin-top:6px}.cleaning-flow li:not(:last-child):after{bottom:-20px}.sample{padding-top:35px;margin-top:5px;margin-bottom:60px}.sample h2{font-size:23px;margin-top:12px}.sample>p:last-of-type{font-size:12px;line-height:1.9;margin-bottom:20px}summary{font-size:12px;gap:10px;padding-block:18px}.free-body{font-size:15px;line-height:1.9}.free-body h3{font-size:19px}.free-body h4{font-size:18px}.free-body h5{font-size:16px}.free-body figcaption{font-size:11px}.purchase{padding-top:44px;padding-bottom:55px}.purchase h2{font-size:25px;line-height:1.6;letter-spacing:-.045em}.purchase-box{padding:25px 18px;margin-top:26px}.purchase-name{font-size:16px}.purchase-spec{font-size:12px;margin-top:8px}.included{font-size:11px;padding-block:18px;margin-top:19px;gap:8px}.included li:before{width:18px}.price-block{padding-block:22px}.price-block strong{font-size:55px}.price-block>p{font-size:25px}.price-block>span{font-size:11px}.price-block small{font-size:11px}.purchase-button{min-height:60px;padding:12px 10px;font-size:12px;gap:10px}.payment-note{font-size:9px;line-height:1.8}.delivery{gap:0;justify-content:space-between;font-size:10px;margin:22px 0}.delivery li{flex-direction:column;gap:3px}.delivery b{font-size:10px}.conditions summary{font-size:10px;line-height:1.7;gap:3px}.conditions>div{font-size:12px}footer{padding-top:24px;font-size:10px;padding-bottom:103px}footer summary{font-size:11px}.sticky-buy{padding:10px 16px;gap:12px;background:var(--white)}.sticky-buy>span{font-size:9px}.sticky-buy strong{font-size:21px}.sticky-buy small{font-size:10px}.sticky-buy a{font-size:12px;padding:13px 17px}.image-dialog{padding:14px}.image-scroll{max-height:62dvh}.image-scroll img{width:auto;max-width:none;min-width:700px}#image-caption{font-size:12px}.purchase-dialog{padding:16px 20px 25px}.purchase-dialog h2{font-size:21px}.purchase-dialog p{font-size:12px}}
.research-split{display:none}
@media(max-width:540px){.screen-research .screen-viewport{height:187px;padding:10px 0}.screen-research .research-full{display:none}.research-split{display:grid;grid-template-columns:56% 44%;width:100%;height:168px}.research-split>span{position:relative;overflow:hidden;display:block}.screen-research .research-split img{width:1020px;max-width:none;position:absolute;top:-132px}.screen-research .research-labels img{left:-50px}.screen-research .research-values img{left:-501px}}
/* Keep the reading size comfortable; small type is confined to the product illustration. */
@media(min-width:851px){.site-header{height:70px}.hero{padding-top:22px}h1{font-size:clamp(40px,3.85vw,55px);margin:12px 0}.product-stage{height:285px;margin-top:23px;max-width:780px}.book-object{height:259px;width:224px;padding:17px 18px}.book-name{margin-top:16px;font-size:14px}.book-name b{font-size:22px}.book-rule{margin:12px 0}.stage-browser{height:228px;top:25px}.stage-phone{width:115px;height:215px;top:55px}.hero-offer{margin-top:18px}.stage-label-b{bottom:-3px}}
@media(max-width:540px){.hero-lead{font-size:14px}.hero>.eyebrow{font-size:11px}.image-note{font-size:11px}.offer-spec{font-size:14px}.offer-spec span{font-size:24px}.offer-action .button,.purchase-button{font-size:14px}.text-link{font-size:13px}.genre-ribbon figcaption{font-size:13px}.genre-ribbon>p{font-size:12px}.section-intro>.eyebrow,.sample>.eyebrow,.purchase-heading>.eyebrow{font-size:12px}.section-intro>p:last-child,.sample>p:last-of-type{font-size:14px}.tool-tag{font-size:11px}.tool-lead{font-size:15px}.tool-outcome{font-size:12px}.tool-outcome b{font-size:12px}.caption{font-size:12px}.cleaning-flow h4{font-size:16px}.cleaning-flow p{font-size:14px}.phone-demo figcaption{font-size:12px}.purchase-spec{font-size:14px}.included{font-size:13px}.payment-note{font-size:11px}.conditions summary{font-size:12px}.conditions>div{font-size:14px}.journey a{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Approved copy: keep each message readable without changing the product layout. */
.hero-origin{display:block}.hero-subject{display:inline-block}.hero-reveal{display:inline-block}
.copy-unit{display:inline-block}
.hero-lead{max-width:800px;margin-inline:auto}.hero-lead>span{display:block}
@media(max-width:540px){.hero-reveal{display:table;margin-inline:auto}.hero-lead{max-width:370px;text-align:left}.hero-lead>span+span{margin-top:6px}.purchase h2{font-size:clamp(21px,6.4vw,25px)}}

.purchase-lead{font-size:15px;line-height:1.9;margin:20px auto 0;max-width:760px}
@media(max-width:540px){.sample h2{font-size:22px}.purchase-lead{font-size:14px;text-align:left;margin-top:20px}}
/* Seven-block composition: scoped to the unpublished prototype. */
.hero-proof{font-size:18px;line-height:1.7}.hero-proof strong{font-weight:800}.hero-method{display:block;font-size:.55em;letter-spacing:.03em;margin-bottom:8px}.official-note{font-size:12px;color:var(--gold);font-weight:700;margin:8px 0}.hero-offer .official-note{margin:0 0 7px}.chapter{padding-block:85px;border-top:1px solid var(--line)}.section-copy{max-width:760px;margin:25px auto;font-size:16px;line-height:2}.evidence-figure{max-width:900px;margin:55px auto}.evidence-figure h3{font-size:26px;margin-bottom:20px}.figure-zoom{display:block;border:0;background:var(--white);padding:0;width:100%;text-align:left;cursor:zoom-in}.figure-zoom img{width:100%;height:auto}.evidence-figure figcaption{font-size:13px;line-height:1.9;margin-top:14px}.plain-details{border-block:1px solid var(--line);max-width:900px;margin:25px auto}.plain-details+.plain-details{border-top:0;margin-top:-25px}.plain-details>p,.plain-details>ul{font-size:15px;line-height:2;margin:0 0 22px}.plain-details a{color:var(--gold)}.record-grid{display:grid;grid-template-columns:repeat(4,1fr);margin:35px 0 18px;border-block:2px solid var(--gold)}.record-grid>div{padding:28px 10px;text-align:center}.record-grid>div+div{border-left:1px solid var(--line)}.record-grid span{display:block;font-size:13px}.record-grid strong{font-size:39px;letter-spacing:-.045em;white-space:nowrap}.record-grid small{font-size:17px}.economics{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:45px}.economics>div{border-top:1px solid var(--line);padding-top:20px}.economics h3{font-size:15px}.economics strong{display:block;color:var(--gold);font-size:24px;margin:10px 0}.economics p{font-size:13px;line-height:1.9}.blog-proof{margin-top:80px;border-top:1px solid var(--line);padding-top:50px;text-align:center}.blog-proof h3{font-size:29px}.blog-proof>p{font-size:15px;margin:20px auto 30px;max-width:760px}.article-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px 16px;text-align:left;margin-bottom:30px}.article-grid a{text-decoration:none;display:block}.article-grid img{width:100%;aspect-ratio:16/10;object-fit:contain}.article-grid span{display:block;font-size:13px;font-weight:600;line-height:1.8;margin-top:9px}.article-grid a:hover span{color:var(--gold)}.chapter-map{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin:40px auto;border-top:1px solid var(--line);border-left:1px solid var(--line)}.chapter-map>div{padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.chapter-map span{color:var(--gold);font-size:13px}.chapter-map h3{font-size:18px;margin:7px 0 10px}.chapter-map p{font-size:13px;line-height:1.8}.learning-path{list-style:none;margin:50px auto;padding:0;max-width:760px}.learning-path li{position:relative;border-left:2px solid var(--gold);padding:0 0 35px 26px}.learning-path li:before{content:'';position:absolute;left:-6px;top:8px;width:10px;height:10px;border-radius:50%;background:var(--gold)}.learning-path li:last-child{padding-bottom:5px}.learning-path b{font-size:23px}.learning-path p{font-size:15px;margin-top:5px}.learning-path small{display:block;font-size:13px;margin-top:8px}.full-toc{padding-bottom:25px}.full-toc>div{margin:20px 0}.full-toc h3{font-size:17px}.full-toc li{font-size:14px;line-height:2}.ai-reading{max-width:900px;margin:65px auto 0;padding-top:55px;border-top:1px solid var(--line)}.ai-reading h3{text-align:center;font-size:31px;margin:17px 0 25px}.ai-reading>p:not(.eyebrow){font-size:15px;line-height:2}.ai-reading .evidence-figure{margin:30px auto}.tools{padding-top:80px}.sample{max-width:760px;margin-inline:auto}.comparison-table{width:100%;border-collapse:collapse;margin-top:35px;font-size:14px;table-layout:fixed}.comparison-table th,.comparison-table td{padding:23px 17px;text-align:left;vertical-align:top;border:1px solid var(--line);line-height:1.9}.comparison-table thead th{font-size:17px}.comparison-table th:first-child{width:14%}.comparison-table th:nth-child(3),.comparison-table td:nth-child(3){border-inline:2px solid var(--gold)}.comparison-table thead th:nth-child(3){color:var(--gold);border-top:3px solid var(--gold)}.comparison-table small{font-size:12px}.price-schedule{font-size:12px;line-height:1.9;margin:0 0 22px}.offer-conditions{margin-top:25px;border-top:1px solid var(--line);padding-top:22px;text-align:left;font-size:13px;line-height:1.9}.offer-conditions h3{font-size:14px;margin-bottom:16px}.offer-conditions p{margin-bottom:13px}.offer-conditions a{color:var(--gold)}.final-action{max-width:600px;margin:55px auto 0;text-align:center}.final-action>p:first-child{font-size:22px;font-weight:700;margin-bottom:28px}.mail-option{font-size:12px;margin:30px 0 17px}.legal-link{font-size:13px}.purchase-dialog:target{display:block}
@media(max-width:1000px) and (min-width:541px){.article-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.record-grid strong{font-size:31px}.economics strong{font-size:20px}}
@media(max-width:540px){.hero-proof{font-size:13px}.hero-method{font-size:18px;margin-bottom:4px}.hero h1{margin:9px 0 11px}.hero .product-stage{height:165px;margin-top:14px}.hero .book-object{height:156px;top:0}.hero .book-name{margin-top:9px}.hero .book-rule{margin:6px 0}.hero .book-object p{font-size:6.5px}.hero .stage-browser{top:14px;height:132px}.hero .stage-phone{top:32px;height:126px}.hero .image-note{margin-top:7px}.hero-offer{margin-top:12px}.hero .offer-action{gap:9px;margin-bottom:8px}.hero .official-note{font-size:11px}.chapter{padding-block:50px}.section-copy{font-size:15px;margin:23px auto}.evidence-figure{margin:35px auto}.evidence-figure h3{font-size:21px;margin-bottom:17px}.evidence-figure figcaption{font-size:12px}.record-grid{grid-template-columns:1fr 1fr;margin-top:28px}.record-grid>div{padding:22px 5px}.record-grid>div:nth-child(3){border-left:0}.record-grid>div:nth-child(n+3){border-top:1px solid var(--line)}.record-grid strong{font-size:32px}.record-grid small{font-size:15px}.economics{grid-template-columns:1fr;gap:25px;margin-top:32px}.economics strong{font-size:27px}.economics p{font-size:14px}.blog-proof{margin-top:50px;padding-top:30px}.blog-proof h3{font-size:24px}.blog-proof>p{font-size:14px;text-align:left}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:23px 12px}.article-grid span{font-size:12px}.chapter-map{grid-template-columns:1fr;margin-top:30px}.chapter-map>div{padding:16px 19px}.chapter-map h3{display:inline;font-size:17px;margin-left:15px}.chapter-map p{font-size:14px;margin-top:7px}.learning-path b{font-size:22px}.learning-path p{font-size:14px}.learning-path small{font-size:12px}.ai-reading{padding-top:35px;margin-top:40px}.ai-reading h3{font-size:25px}.ai-reading h3 em{display:inline-block}.plain-details summary{font-size:14px}.plain-details>p,.plain-details>ul{font-size:14px}.offer-conditions{font-size:13px}.price-schedule{font-size:12px}.final-action>p:first-child{font-size:20px}.final-action .button{font-size:14px;padding-inline:12px;gap:10px}.faq-section{padding-bottom:55px}}

/* Requested title and always-visible X embeds. */
.hero-reveal{display:table;margin-inline:auto}.hero h1 .hero-reveal:after{display:none}
.x-posts{max-width:550px;margin:35px auto;display:grid;gap:28px;min-width:0}
.x-posts .twitter-tweet{margin:0 auto!important;max-width:100%!important;box-sizing:border-box}
.x-posts blockquote{border:1px solid var(--line);border-radius:12px;padding:24px;font-size:15px;line-height:1.9}
.x-posts blockquote p{margin-bottom:15px}.x-posts iframe{max-width:100%!important}
@media(max-width:540px){.hero h1 .hero-subject{font-size:clamp(21px,6.15vw,29px);letter-spacing:-.065em}.hero h1 .hero-reveal{font-size:27px;margin-top:4px}.x-posts{margin-block:28px}.x-posts blockquote{padding:18px;font-size:14px}.economics{gap:20px}.economics h3{font-size:15px}}

/* Instruction 17: navy section bands, quiet gold accents, purchase-only green. */
html,body{overflow-x:hidden}
.section-intro{
 width:100vw;margin-left:calc(50% - 50vw);margin-block:48px;
 padding:36px 0;background:var(--navy);color:var(--white);text-align:center;
}
.section-intro>*{max-width:calc(var(--content-width) + 2 * var(--gutter));padding-inline:var(--gutter);margin-inline:auto}
.section-intro .eyebrow{font-size:13px;color:var(--gold-20);letter-spacing:.1em;line-height:1.8}
.section-intro h2{color:var(--white);margin:12px auto 0}
.section-intro h2 em{color:inherit;text-decoration:underline;text-decoration-color:var(--gold-20);text-decoration-thickness:2px;text-underline-offset:9px}
.chapter,.purchase{padding-top:0;border-top:0}
.tools{padding-top:0}
.section-intro+.section-copy{margin-top:48px}
.purchase-lead{margin-top:0;text-align:center}
main h3{background:var(--navy-10);border-left:6px solid var(--navy);color:var(--navy);padding:10px 16px;border-radius:0;text-align:left}
main h3 em{color:inherit;text-decoration:underline;text-decoration-color:var(--gold);text-decoration-thickness:2px;text-underline-offset:5px}
.tool-heading>div{flex:1;min-width:0}
.economics>div{border-top:0;padding-top:0}
.chapter-map h3{background:none;border:0;padding:0;color:var(--navy)}
.chapter-map span{color:var(--gold)}
.comparison-table thead th,.comparison-table thead th:nth-child(3){background:var(--navy-10);color:var(--navy)}
.comparison-table thead th:nth-child(3){border-top-color:var(--gold)}
.record-grid{border-top-color:var(--line);border-bottom-color:var(--line)}
.record-grid strong{color:var(--gold)}
.record-grid small{color:var(--ink)}
.book-object{border-left-color:var(--navy)}
.brand svg{stroke:var(--gold)}
.purchase-box{background:var(--white);border-top-color:var(--gold)}
.cta-group{display:flex;flex-direction:column;align-items:center;min-width:0}
.offer-action{align-items:flex-start}
.hero-price{align-self:flex-start;padding-top:13px}
.cta-buy,.offer-action .cta-buy,.final-action .cta-buy{
 display:flex;align-items:center;justify-content:center;gap:18px;min-height:64px;
 background:var(--green);color:var(--white);border:0;border-radius:999px;
 padding:18px 40px;font-size:18px;font-weight:700;text-decoration:none;
 box-shadow:0 6px 0 var(--green-d);transform-origin:center bottom;
 animation:purun 2.6s ease-in-out infinite;transition:background .18s,box-shadow .18s;
}
.cta-buy:hover{background:var(--green-d);animation:none}
.cta-buy:active{animation:none;transform:translateY(2px);box-shadow:none}
.cta-buy:focus-visible{outline:3px solid var(--navy);outline-offset:7px}
.cta-note{font-size:12px!important;color:var(--ink);line-height:1.8;margin:14px 0 0!important;font-weight:400!important;text-align:center}
.purchase-box>.cta-buy,.final-action>.cta-buy{width:100%}
@keyframes purun{0%,70%,100%{transform:scale(1)}76%{transform:scale(1.05,.95)}82%{transform:scale(.97,1.04)}88%{transform:scale(1.02,.98)}}
@media(max-width:850px){:root{--gutter:24px}.cta-buy,.offer-action .cta-buy,.final-action .cta-buy{font-size:16px;padding-inline:26px}}
@media(max-width:540px){
 :root{--gutter:20px}
 .section-intro{margin-block:32px;padding:32px 0}
 .section-intro .eyebrow{font-size:13px;letter-spacing:.1em}
 .section-intro h2{margin:12px auto 0;line-height:1.65}
 .section-intro+.section-copy{margin-top:32px}
 .hero .offer-action{gap:14px}.hero-price{padding-top:0;align-self:center}
 .cta-group{width:100%}
 .cta-buy,.offer-action .cta-buy,.final-action .cta-buy{font-size:16px;gap:12px;padding:18px 20px;min-height:64px;line-height:1.7}
 .purchase-box{padding-inline:18px}.purchase-box .cta-buy{padding-inline:14px;font-size:16px}
 .cta-note{font-size:12px!important}

 .purchase-lead{text-align:left}
}
@media(prefers-reduced-motion:reduce){.cta-buy{animation:none!important;transition:none}html{scroll-behavior:auto}}

/* Glossy, rounded purchase controls; keep the words and destinations intact. */
.cta-buy,.offer-action .cta-buy,.final-action .cta-buy{
 position:relative;isolation:isolate;
 background:linear-gradient(180deg,var(--cta-top) 0%,var(--green) 28%,var(--cta-middle) 53%,var(--cta-bottom) 100%);
 box-shadow:inset 0 1px 0 var(--cta-rim),inset 0 -3px 5px var(--cta-shade),0 7px 0 var(--cta-base),0 12px 18px var(--cta-shade);
 text-shadow:0 1px 2px var(--cta-shade);animation-name:purun-gloss;
}
.cta-buy::before{
 content:'';position:absolute;z-index:-1;pointer-events:none;top:4px;left:13px;right:13px;height:35%;
 border-radius:999px 999px 60% 60%;background:linear-gradient(180deg,var(--cta-gloss),var(--cta-gloss-end));
}
.cta-buy::after{
 content:'';position:absolute;pointer-events:none;bottom:6px;left:20%;right:20%;height:1px;
 background:linear-gradient(90deg,var(--cta-clear),var(--cta-rim),var(--cta-clear));
}
.cta-buy:is(:hover,:focus-visible){animation:none;background:linear-gradient(180deg,var(--cta-top),var(--cta-middle) 50%,var(--green-d));}
.cta-buy:active{
 animation:none;transform:translateY(5px) scale(.99,.97);
 box-shadow:inset 0 1px 0 var(--cta-rim),inset 0 3px 7px var(--cta-shade),0 2px 0 var(--cta-base);
}
@keyframes purun-gloss{
 0%,68%,100%{transform:translateY(0) scale(1)}
 74%{transform:translateY(2px) scale(1.055,.9)}
 81%{transform:translateY(-3px) scale(.97,1.065)}
 87%{transform:translateY(1px) scale(1.025,.97)}
 93%{transform:translateY(0) scale(.995,1.01)}
}
@media(prefers-reduced-motion:reduce){.cta-buy{animation:none!important;transition:none}}

/* Title signature: speech bubble above the left edge of the book title. */
.hero #hero-title{width:fit-content;max-width:100%;margin-inline:auto}
.hero-signature{display:block;position:relative;width:fit-content;margin:0 0 13px 3px;padding:6px 17px;background:var(--navy);color:var(--white);border-radius:12px;font-size:clamp(15px,1.8vw,21px);font-weight:800;line-height:1.5;letter-spacing:.06em;transform:rotate(-4deg)}
.hero-signature:after{content:"";position:absolute;bottom:-7px;left:25px;width:13px;height:13px;background:var(--navy);clip-path:polygon(0 0,100% 0,100% 100%)}
@media(max-width:540px){.hero-signature{padding:4px 12px;margin-bottom:11px;border-radius:9px;font-size:14px}.hero-signature:after{left:19px}}

/* A clothbound academic volume, drawn in CSS to keep the cover text crisp. */
.hero .book-object{color:#e4ce96;background:linear-gradient(90deg,#0b1b2e 0%,#17314c 7%,#11273f 12%,#182f49 100%);border:1px solid #091827;border-left:12px solid #0b192c;border-radius:2px 4px 3px 2px;padding:24px 19px 19px;transform:rotate(-5deg);box-shadow:2px 2px 0 #b5a780,5px 4px 0 #eee8d8,8px 6px 0 #c4bcaa,11px 8px 0 #eee8d8,14px 10px 0 #0b192c,20px 20px 25px #11111130}
.book-object:before{content:"";position:absolute;inset:12px 11px 12px 9px;border:1px solid #b69b5c;pointer-events:none;opacity:.7}
.hero .book-meta{text-align:center;font-size:11px;letter-spacing:.22em;color:#d4bd83}
.hero .book-name{text-align:center;margin-top:22px;font-size:16px;line-height:1.8;letter-spacing:.025em;text-shadow:0 1px 0 #050e19}
.hero .book-name b{font-size:25px;letter-spacing:-.055em;white-space:nowrap}
.hero .book-rule{background:#b69b5c;height:1px;width:70%;margin:17px auto 12px}
.hero .book-edition{text-align:center;font-size:12px;letter-spacing:.2em;color:#e4ce96}
.book-author{display:block;text-align:center;font-size:10px;letter-spacing:.13em;margin-top:13px}
.hero .book-bottom{border-top:1px solid #b69b5c66;font-size:10px;margin-inline:1px;padding-top:10px;color:#d4bd83}
.hero .book-bottom small{border-color:#b69b5c66;font-size:8px}.hero .book-dot{color:#b69b5c}
@media(min-width:541px) and (max-width:850px){.hero .book-object{padding:21px 13px 16px}.hero .book-name{font-size:13px;margin-top:23px}.hero .book-name b{font-size:21px}.hero .book-rule{margin-block:13px 10px}.book-author{margin-top:10px}}
@media(max-width:540px){.hero .book-object{border-left-width:6px;padding:12px 9px 10px;box-shadow:2px 2px 0 #b5a780,4px 3px 0 #eee8d8,6px 5px 0 #c4bcaa,8px 6px 0 #0b192c,12px 12px 16px #11111125}.book-object:before{inset:6px 5px;border-width:1px}.hero .book-meta{font-size:7px;letter-spacing:.16em}.hero .book-name{font-size:9px;margin-top:13px;line-height:1.8}.hero .book-name b{font-size:13px}.hero .book-rule{margin:9px auto 6px;width:70%}.hero .book-edition{font-size:7px}.book-author{font-size:6px;margin-top:6px}.hero .book-bottom{font-size:6px;padding-top:5px;gap:2px}.hero .book-bottom small{font-size:5px;padding:1px 2px}}

/* Preserve the comparison columns on narrow screens. */
.comparison-scroll{max-width:100%;overflow-x:auto;margin-top:35px;padding-bottom:5px;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;scrollbar-color:var(--gold-20) var(--navy-10)}
.comparison-scroll:focus-visible{outline:2px solid var(--gold);outline-offset:5px}
.comparison-scroll .comparison-table{margin-top:0}
.comparison-scroll-hint{display:none}
@media(max-width:850px){
 .comparison-scroll-hint{display:block;margin-top:25px;color:var(--navy);font-size:12px;text-align:right}
 .comparison-scroll{margin-top:10px}
 .comparison-scroll .comparison-table{min-width:760px;border-collapse:separate;border-spacing:0}
 .comparison-table th,.comparison-table td{padding:18px 15px}
 .comparison-table th:first-child{width:112px;position:sticky;left:0;z-index:1;background:var(--paper);box-shadow:2px 0 3px var(--shadow-medium);font-size:14px}
 .comparison-table thead th:first-child{background:var(--navy-10);z-index:2}
 .comparison-table thead th{font-size:16px}
}