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summary>span{flex-shrink:0;font-size:22px}.faq-list details>p{font-size:16px}.closing{padding:50px 0}.closing h2{font-size:29px}.closing p{font-size:16px}.closing .button{font-size:16px}.site-footer{padding-top:28px;padding-bottom:105px;gap:18px;display:block}.site-footer img{width:210px;margin-bottom:20px}.site-footer p{font-size:11px}.site-footer>small{display:block;margin-top:20px}.desktop{display:none}.mobile{display:initial}.mobile-purchase{position:fixed;display:flex;align-items:center;justify-content:space-between;gap:12px;bottom:0;left:0;right:0;padding:10px 18px calc(10px + env(safe-area-inset-bottom));background:#fff;box-shadow:0 -3px 16px #17244017;z-index:7}.mobile-purchase>span{font-size:10px;line-height:1.4}.mobile-purchase strong{display:block;font-size:27px;color:#123d68;line-height:1.2}.mobile-purchase strong small{font-size:11px;margin-left:2px}.mobile-purchase>a{background:#123d68;color:#fff;font-size:16px;font-weight:700;padding:12px 24px;border-radius:3px;display:flex;gap:28px}}
@media(max-width:360px){.wrap{width:calc(100% - 32px)}.brand img{width:155px}.header-cta{font-size:11px}.hero h1{font-size:43px}.hero-lead{font-size:19px}.button{font-size:16px}.comparison td{font-size:19px}.five-visual{gap:5px}.five-visual>span{width:39px;height:39px;font-size:12px}}
@media(max-width:700px){.formula{grid-template-columns:16px 1fr 16px 1fr}.formula>span:nth-child(1){grid-row:1;grid-column:2}.formula>i:nth-child(2){grid-row:1;grid-column:3}.formula>span:nth-child(3){grid-row:1;grid-column:4}.formula>i:nth-child(4){display:block;grid-row:2;grid-column:1}.formula>span:nth-child(5){grid-row:2;grid-column:2}.formula>i:nth-child(6){grid-row:2;grid-column:3}.formula>span:nth-child(7){grid-row:2;grid-column:4}.purchase-panel{order:-1}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* A product-first visual identity, distinct from the CFO service site. */
h1,h2{font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-weight:800;letter-spacing:-.045em}.review-banner{background:#eee9db}.site-header{height:82px;background:#fffdf8f7}.header-cta{background:#172440}.primary{background:#172440}.primary:hover{background:#293f62}.product-hero{background:#111f36;color:#fff;overflow:hidden;padding:62px 0 50px}.product-hero-layout{display:grid;grid-template-columns:1.15fr 1fr;column-gap:50px;grid-template-areas:"heading book" "purchase book" "author book";align-items:center}.product-hero-heading{grid-area:heading;align-self:end}.hero-edition{font-size:17px;font-weight:700;letter-spacing:.045em;color:#e7d4a4;margin-bottom:29px;display:flex;gap:20px;align-items:center}.hero-edition span{font-size:10px;letter-spacing:.12em;border:1px solid #718099;padding:3px 8px;color:#c6d0dd}.product-hero h1{font-size:clamp(40px,4.05vw,61px);line-height:1.55;letter-spacing:-.055em;white-space:nowrap;font-weight:800}.product-hero h1 em{color:#edc869}.product-hero-lead{font-size:21px;line-height:1.8;margin-top:30px;color:#f2f3f7;letter-spacing:.005em}.product-hero-purchase{grid-area:purchase;align-self:center;margin:30px 0}.product-button{color:#111f36;background:#edc869;box-shadow:0 5px 0 #ac8633;max-width:490px;font-size:20px;border-radius:3px}.product-button:hover{background:#f3d790}.product-hero-purchase>p{font-size:13px;color:#cad1dc;margin-top:16px}.product-hero-purchase>p>span{margin-left:14px;padding-left:14px;border-left:1px solid #707d90}.hero-author-signature{grid-area:author;display:flex;gap:20px;align-items:center;padding-top:24px;border-top:1px solid #ffffff30;max-width:510px}.hero-author-signature>img{width:98px;height:98px;object-fit:cover;object-position:50% 27%;border-radius:50%;border:3px solid #b99e65}.hero-author-signature>div>span{font-size:13px;line-height:1.7;color:#d9dfe8}.hero-author-signature strong{display:block;font-size:28px;line-height:1.5;margin-top:3px;letter-spacing:.03em}.hero-author-signature p{font-size:12px;color:#c0cbd9;margin-top:5px;line-height:1.8}.hero-book-stage{grid-area:book;position:relative;min-height:650px;display:flex;align-items:center;justify-content:center;padding:12px 0 45px;isolation:isolate;perspective:1200px}.hero-book-halo{position:absolute;width:490px;height:490px;border-radius:50%;background:#1c304d;z-index:-2;top:62px;left:50%;transform:translateX(-50%)}.hero-book-halo:after{content:"";position:absolute;inset:-22px;border:1px solid #2a405e;border-radius:50%}.hero-book{position:relative;transform:rotate(-5deg) rotateY(-10deg);transform-style:preserve-3d;width:330px;margin:0 20px 0 0;filter:drop-shadow(20px 25px 17px #050e2080)}.hero-book:before{content:"";position:absolute;z-index:-1;background:#d9d6ce;width:100%;height:100%;left:15px;top:8px;border-radius:1px}.hero-book:after{content:"";position:absolute;z-index:1;right:-14px;top:5px;bottom:-4px;width:14px;background:repeating-linear-gradient(90deg,#d7d3c8 0px,#f3f0e8 1px,#f3f0e8 3px);transform:skewY(29deg);transform-origin:left;box-shadow:inset 3px 0 6px #0002}.book-cover{background:#fffdf6;color:#172440;border-left:9px solid #e4c77c;box-shadow:8px 6px 0 #dedbd0,16px 18px 25px #17244022;padding:27px 28px 0;max-width:318px}.book-overline{border-color:#17244030;color:#465970;font-weight:700}.book-pre{font-size:22px}.book-name{font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:53px;line-height:1.1;font-weight:800;letter-spacing:-.08em;margin:10px 0}.book-name span{font-size:27px;display:inline-block;color:#9c7b30;margin:0 4px 0 3px;vertical-align:middle}.book-name{max-width:250px}.book-name:after{content:"";display:block;width:54px;height:5px;background:#e6c469;margin-top:21px}.book-diagram span{border-color:#a69b80;color:#53616c}.book-band{background:#172440;color:#f4d184;padding:17px 24px;margin:0 -28px;font-size:18px}.book-sub{color:#3c4c5d}.book-author{color:#2d3e54}.hero-book .book-cover{width:330px;max-width:none;min-height:510px;box-shadow:none;transform:none;position:relative;z-index:2}.hero-book .book-name{font-size:61px;max-width:245px;line-height:1.2}.hero-book .book-name span{display:block;font-size:24px;line-height:1.2;margin:5px 0 3px}.hero-book .book-name:after{display:none}.hero-book .book-pre{font-size:23px}.hero-book .book-overline{font-size:11px;margin-bottom:20px}.hero-book .book-band{font-size:19px}.hero-book .book-diagram{margin:19px 0}.hero-book .book-author{margin:18px 0}.hero-price-seal{position:absolute;z-index:3;background:#edc869;color:#111f36;left:calc(50% - 232px);bottom:72px;width:144px;height:144px;border:5px solid #111f36;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column;line-height:1.1;box-shadow:0 7px 15px #0002;transform:rotate(-9deg)}.hero-price-seal>span{font-size:14px;font-weight:700}.hero-price-seal strong{font-size:52px;letter-spacing:-.07em;display:flex;align-items:baseline;margin:6px 0 3px}.hero-price-seal small{font-size:20px;letter-spacing:0;margin-left:3px}.hero-book-stage>figcaption{position:absolute;text-align:center;font-size:11px;line-height:1.7;bottom:0;color:#c0c8d7;width:100%;left:0}.book-intro{background:#f2eee3}.book-intro-copy h2{font-size:43px}.book-intro-copy .eyebrow{color:#726139}.book-intro .book-cover{transform:rotate(-4deg);min-height:450px}.chapter-number{font-family:inherit;font-weight:700;font-size:38px;color:#aa8c59}.problem-section{background:#172440}.problem-section h2{font-size:44px}.comparison thead .good{background:#172440}.comparison .profit-row .good{color:#123d68}.closing{background:#111f36}.mobile-purchase>a{background:#172440}.mobile-purchase strong{color:#172440}.purchase-panel{border-top-color:#c3a157}
@media(max-width:1100px) and (min-width:701px){.product-hero-layout{column-gap:20px;grid-template-columns:1.1fr 1fr}.product-hero h1{font-size:4.2vw}.hero-edition{font-size:14px;gap:13px}.hero-edition span{font-size:9px}.product-hero-lead{font-size:18px}.hero-book{transform:rotate(-5deg) rotateY(-10deg) scale(.9)}.hero-book-stage{min-height:630px}.hero-book-halo{width:390px;height:390px;top:102px}.hero-price-seal{width:120px;height:120px;left:calc(50% - 182px);bottom:65px}.hero-price-seal strong{font-size:44px}.product-button{font-size:17px}.hero-author-signature{gap:14px}.hero-author-signature>img{width:80px;height:80px}.hero-author-signature>div>span{font-size:11px}.hero-author-signature strong{font-size:25px}.hero-author-signature p{font-size:10px}}
@media(max-width:700px){.site-header{height:69px}.product-hero{padding:28px 0 34px}.product-hero-layout{display:grid;grid-template-columns:1fr;grid-template-areas:"heading" "book" "purchase" "author";gap:0}.hero-edition{font-size:13px;gap:12px;margin-bottom:17px;justify-content:center}.hero-edition span{font-size:8px;padding:2px 6px}.product-hero-heading{text-align:center}.product-hero h1{font-size:clamp(26px,7.75vw,42px);line-height:1.6;letter-spacing:-.06em}.product-hero-lead{font-size:15px;line-height:1.8;margin-top:15px}.hero-book-stage{min-height:382px;padding:12px 0 36px;margin-top:4px}.hero-book{width:215px;transform:rotate(-5deg) rotateY(-10deg);margin:0}.hero-book .book-cover{width:215px;min-height:0;padding:17px 17px 0;border-left-width:6px}.hero-book .book-overline{font-size:7px;padding-bottom:7px;margin-bottom:13px}.hero-book .book-pre{font-size:16px}.hero-book .book-name{font-size:40px;line-height:1.13;margin:7px 0}.hero-book .book-name span{font-size:16px;margin:3px 0}.hero-book .book-diagram{gap:5px;margin:12px 0}.hero-book .book-diagram span{font-size:8px;padding:7px 5px}.hero-book .book-diagram i{font-size:8px}.hero-book .book-sub{font-size:9px;line-height:1.6}.hero-book .book-author{font-size:7px;margin:12px 0}.hero-book .book-author b{font-size:11px}.hero-book .book-band{font-size:12px;padding:11px 17px;margin:0 -17px}.hero-book:after{width:10px;right:-10px}.hero-book:before{left:11px;top:6px}.hero-book-halo{width:310px;height:310px;top:33px}.hero-book-halo:after{inset:-13px}.hero-price-seal{width:105px;height:105px;left:calc(50% - 163px);bottom:47px;border-width:4px}.hero-price-seal>span{font-size:11px}.hero-price-seal strong{font-size:37px;margin:4px 0 1px}.hero-price-seal small{font-size:15px}.hero-book-stage>figcaption{font-size:9px;bottom:2px;color:#bac5d5}.product-hero-purchase{margin:20px 0 25px}.product-button{font-size:16px;min-height:60px;padding:15px 20px;max-width:none}.product-hero-purchase>p{font-size:11px;text-align:center;margin-top:13px}.hero-author-signature{gap:15px;padding-top:20px;width:100%;max-width:none}.hero-author-signature>img{width:78px;height:78px;flex-shrink:0}.hero-author-signature>div>span{font-size:11px}.hero-author-signature strong{font-size:24px;margin-top:4px}.hero-author-signature p{font-size:10px;line-height:1.7;max-width:225px}.book-intro-copy h2{font-size:33px}.book-intro .book-cover{min-height:390px;padding:22px 21px 0}.book-intro .book-cover .book-name{font-size:42px;max-width:180px}.book-intro .book-name span{font-size:20px}.book-intro .book-name:after{height:4px;margin-top:15px}.book-intro .book-band{margin:0 -21px;padding:12px 19px;font-size:15px}.problem-section h2{font-size:30px}.chapter-number{font-size:29px}.closing h2{font-size:28px}}
/* Photographic book mockup. Original author photograph remains unchanged. */
.hero-book-halo{display:none}.hero-book-stage{min-height:0;padding:0 0 35px;perspective:none}.hero-real-book{width:min(100%,390px);height:auto;border-radius:8px;box-shadow:0 18px 45px #0003}.hero-price-seal{left:0;bottom:65px}.intro-real-book{width:min(100%,330px);height:auto;margin:auto;border-radius:6px;box-shadow:0 12px 26px #10203a22}.hero-book-stage>figcaption{font-size:12px}.book-stage figcaption{font-size:13px;margin-top:16px}
@media(max-width:1100px) and (min-width:701px){.hero-real-book{width:310px}.hero-price-seal{left:-12px;bottom:50px}}
@media(max-width:700px){.hero-book-stage{padding:15px 0 28px;min-height:0}.hero-real-book{width:220px;border-radius:5px}.hero-price-seal{left:calc(50% - 150px);bottom:44px}.hero-book-stage>figcaption{font-size:10px}.intro-real-book{width:240px}.book-stage figcaption{font-size:12px}}
/* Author and booklet share the first view. */
.portrait-book-hero{padding:35px 0 20px;overflow:hidden}.portrait-book-hero .product-hero-layout{grid-template-columns:1.03fr 1.07fr;grid-template-areas:"heading visual" "purchase visual";column-gap:12px;align-items:center}.portrait-book-hero .product-hero-heading{align-self:end;padding-top:20px}.portrait-book-hero h1{font-size:clamp(38px,4.1vw,57px);line-height:1.5;letter-spacing:-.055em}.portrait-book-hero .product-hero-lead{font-size:21px;line-height:1.9;margin-top:24px}.hero-author-line{font-size:14px;color:#d6deea;line-height:1.7;margin-top:25px}.hero-author-line strong{font-size:29px;letter-spacing:.06em;color:white;display:inline-block;margin-top:3px}.portrait-book-hero .product-hero-purchase{align-self:start;margin:28px 0 25px}.author-book-visual{grid-area:visual;position:relative;min-width:0;margin:0;height:660px;isolation:isolate}.hero-author-cutout{position:absolute;width:450px;max-width:none;height:auto;right:-43px;bottom:35px;z-index:1}.author-book-visual .hero-real-book{position:absolute;width:238px;height:auto;left:-15px;bottom:31px;z-index:2;box-shadow:none;border-radius:0}.author-book-visual .hero-price-seal{left:-28px;bottom:48px;width:114px;height:114px;z-index:3;border-width:4px}.author-book-visual .hero-price-seal strong{font-size:41px}.author-book-visual .hero-price-seal>span{font-size:12px}.author-book-visual .hero-price-seal small{font-size:16px}.author-book-visual figcaption{position:absolute;bottom:2px;left:0;right:0;z-index:3;color:#c7d0dd;font-size:11px;text-align:center}.portrait-book-hero .product-button{max-width:485px}
@media(min-width:701px) and (max-width:1100px){.portrait-book-hero .product-hero-layout{grid-template-columns:1fr 1fr;gap:10px}.author-book-visual{height:570px}.hero-author-cutout{width:390px;right:-60px;bottom:30px}.author-book-visual .hero-real-book{width:205px;left:-25px}.author-book-visual .hero-price-seal{width:95px;height:95px;left:-28px}.author-book-visual .hero-price-seal strong{font-size:34px}.portrait-book-hero .product-hero-lead{font-size:18px}.hero-author-line{font-size:12px}.hero-author-line strong{font-size:25px}}
@media(max-width:700px){.portrait-book-hero{padding:27px 0 22px}.portrait-book-hero .product-hero-layout{grid-template-columns:1fr;grid-template-areas:"heading" "visual" "purchase";gap:0}.portrait-book-hero .product-hero-heading{padding:0;text-align:center}.portrait-book-hero h1{font-size:clamp(27px,8.25vw,40px);line-height:1.5}.portrait-book-hero .hero-edition{margin-bottom:15px}.portrait-book-hero .product-hero-lead{font-size:15px;line-height:1.8;margin-top:15px}.hero-author-line{margin-top:16px;font-size:11px;line-height:1.6}.hero-author-line strong{font-size:24px;margin-top:3px}.author-book-visual{height:455px;margin-top:8px}.hero-author-cutout{width:290px;right:-28px;bottom:20px}.author-book-visual .hero-real-book{width:164px;left:-5px;bottom:25px}.author-book-visual .hero-price-seal{width:83px;height:83px;bottom:35px;left:-5px;border-width:3px}.author-book-visual .hero-price-seal strong{font-size:30px;margin:3px 0 1px}.author-book-visual .hero-price-seal>span{font-size:10px}.author-book-visual .hero-price-seal small{font-size:12px}.author-book-visual figcaption{font-size:9px;bottom:1px;white-space:nowrap}.portrait-book-hero .product-hero-purchase{margin:17px 0 5px;width:100%}.portrait-book-hero .product-button{font-size:16px;max-width:none}.portrait-book-hero .product-hero-purchase>p{font-size:11px}.portrait-book-hero .hero-edition{font-size:12px}}
@media(max-width:359px){.author-book-visual{height:420px}.hero-author-cutout{width:260px;right:-28px}.author-book-visual .hero-real-book{width:145px;left:-7px}.author-book-visual .hero-price-seal{width:75px;height:75px}.author-book-visual .hero-price-seal strong{font-size:27px}.portrait-book-hero .product-button{font-size:14px}.hero-author-line{font-size:10px}}
/* Access service identity, shared across the related landing pages. */
.header .brand,.site-header .brand{display:flex;flex-direction:column;gap:7px;flex-shrink:0}.header .brand img,.site-header .brand img{height:auto}.brand-sub{font:700 13px/1.4 "Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;color:#193b43;letter-spacing:.02em}.header,.site-header,.seminar .header{height:104px}.seminar .header .brand img{width:250px}
@media(max-width:700px){.header,.site-header,.seminar .header{height:88px;gap:10px;padding:10px 16px}.header .brand,.site-header .brand{gap:6px}.header .brand img,.site-header .brand img,.seminar .header .brand img{width:185px}.brand-sub{font-size:11px;letter-spacing:0}.header-action,.header-cta{flex-shrink:0}}
@media(max-width:359px){.header .brand img,.site-header .brand img,.seminar .header .brand img{width:164px}.brand-sub{font-size:10px}.site-header .header-cta{font-size:12px;padding:10px}.header-action,.seminar .header-action{font-size:11px;padding:10px}}
.checkout-direct{max-width:740px;margin:35px auto 0;text-align:center}.checkout-direct .button{background:#172440;color:#fff;font-size:clamp(18px,2.1vw,24px);justify-content:center;padding:22px 24px}.checkout-direct p{font-size:14px;line-height:1.8;color:#59666b;margin:18px 0 0}@media(max-width:700px){.checkout-direct .button{padding:20px 16px;gap:12px}.checkout-direct p{font-size:13px}}