:root{--ink:#0a1f35;--paper:#f5f0e6;--card:#fffdf8;--accent:#c9343d;--detail:#b88b35;--muted:#5f6870;--line:rgba(10,31,53,.18);--sans:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;--serif:Iowan Old Style,Baskerville,Georgia,serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 var(--sans);text-rendering:optimizeLegibility}img{display:block;max-width:100%}a{color:inherit}button,a{touch-action:manipulation}.skip-link{position:absolute;left:16px;top:-60px;background:#fff;padding:10px 14px;z-index:99}.skip-link:focus{top:12px}.wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}.site-head{position:relative;z-index:4;border-bottom:1px solid var(--line)}.nav{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:850;letter-spacing:.03em;text-decoration:none}.brand span,.kicker{color:var(--accent)}.nav-links{display:flex;gap:24px;align-items:center;font-size:.9rem}.nav-links a{text-decoration:none}.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;background:var(--accent);color:#fff;border:1px solid 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.78rem/1.4 var(--sans)}.facts{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line)}.fact{padding:26px;border-right:1px solid var(--line)}.fact:last-child{border:0}.fact b{display:block;font:600 2rem/1 var(--serif)}.fact span{font-size:.78rem;color:var(--muted)}section{padding-block:110px}.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(40px,9vw,140px);align-items:start}.section-no{color:var(--accent);font-weight:850;font-size:.8rem}.section-title{font-size:clamp(2.4rem,5vw,5.1rem);margin:12px 0 30px;max-width:14ch}.body-large{font-size:clamp(1.1rem,2vw,1.45rem);color:var(--muted);max-width:720px}.problem-card{border-top:7px solid var(--accent);padding:34px;background:var(--card);box-shadow:0 18px 44px rgba(0,0,0,.08)}.problem-card p{font-size:1.12rem}.skills{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:50px}.skill{min-height:250px;padding:24px;border:1px solid var(--line);background:var(--card);display:flex;flex-direction:column;justify-content:space-between}.skill b{font:600 2rem/1 var(--serif)}.skill span{font-size:.78rem;color:var(--muted)}.focus{background:var(--ink);color:var(--paper)}.focus .body-large{color:color-mix(in srgb,var(--paper) 74%,transparent)}.focus-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:70px}.checklist{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.24)}.checklist li{padding:20px 0;border-bottom:1px solid rgba(255,255,255,.24);display:flex;gap:16px}.checklist li:before{content:"✓";color:var(--detail);font-weight:900}.library-head{display:flex;justify-content:space-between;gap:30px;align-items:end}.guide-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:48px}.guide{border:1px solid var(--line);background:var(--card);padding:12px;transition:transform .2s ease}.guide:hover{transform:translateY(-6px)}.guide img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:top}.guide h3{font:600 1.15rem/1.1 var(--serif);margin:16px 4px 6px}.guide small{display:block;margin:0 4px;color:var(--accent);font-weight:800}.guide p{font-size:.78rem;color:var(--muted);margin:10px 4px}.sequence{display:grid;grid-template-columns:repeat(4,1fr);counter-reset:week;margin-top:48px}.week{counter-increment:week;border-top:2px solid var(--ink);padding:24px 28px 24px 0}.week:before{content:"0" counter(week);display:block;color:var(--accent);font-weight:900;margin-bottom:34px}.week h3{font:600 1.3rem var(--serif)}.authority{display:grid;grid-template-columns:.72fr 1.28fr;gap:80px;align-items:center}.authority-mark{aspect-ratio:1;display:grid;place-items:center;border-radius:50%;background:var(--accent);color:#fff;font:600 clamp(3rem,10vw,7rem) var(--serif)}.credentials{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px}.credential{padding:18px;border:1px solid var(--line);background:var(--card)}.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.fit-card{padding:34px;border:1px solid var(--line);background:var(--card)}.fit-card h3{font:600 1.8rem var(--serif)}.fit-card ul{padding-left:20px}.offer{background:var(--accent);color:#fff;padding:clamp(30px,6vw,72px);display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}.offer h2{font-size:clamp(2.8rem,6vw,6rem);margin:0}.offer .button{background:#fff;color:var(--ink);border-color:#fff}.offer-list{border-top:1px solid rgba(255,255,255,.5)}.offer-list p{display:flex;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.5);padding:12px 0;margin:0}.faq{max-width:850px}.faq details{border-top:1px solid var(--line);padding:20px 0}.faq details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;font-weight:800}.final{text-align:center;padding-block:130px}.final .section-title{margin-inline:auto;max-width:18ch}.final p{max-width:620px;margin:0 auto 28px;color:var(--muted)}footer{border-top:1px solid var(--line);padding:38px 0 92px;font-size:.78rem;color:var(--muted)}.footer-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}.footer-links{display:flex;gap:18px}.sticky{display:none}
.theme-next{--ink:#061a36;--paper:#eef6ff;--card:#fff;--accent:#d58a1f;--detail:#60aee8}.theme-next .hero{grid-template-columns:.94fr 1.06fr}.theme-next .cover-stage:after{content:"NEXT /";position:absolute;left:-20px;bottom:5px;font:900 clamp(4rem,11vw,9rem)/1 var(--sans);color:rgba(6,26,54,.06)}
.theme-writing{--ink:#17201d;--paper:#f6f0df;--card:#fffaf0;--accent:#a72d31;--detail:#2d6557;background-image:linear-gradient(rgba(23,32,29,.055) 1px,transparent 1px);background-size:100% 32px}.theme-writing .hero h1,.theme-writing .section-title{font-style:italic}.theme-writing .problem-card{transform:rotate(-1deg)}
.theme-plateau{--ink:#e9f5f3;--paper:#071718;--card:#0e2728;--accent:#39d6c1;--detail:#f4c451;--muted:#a4bebc;--line:rgba(233,245,243,.2)}.theme-plateau .button{color:#071718}.theme-plateau .focus{background:#e9f5f3;color:#071718}.theme-plateau .focus .body-large{color:#365153}.theme-plateau .checklist{border-color:#365153}.theme-plateau .checklist li{border-color:#365153}.theme-plateau .cover-stage:before{border-radius:2px;transform:rotate(9deg)}
.theme-plan{--ink:#271b3d;--paper:#f5eff8;--card:#fffafb;--accent:#e05d5d;--detail:#258778}.theme-plan .skill{border-radius:18px}.theme-plan .offer{border-radius:30px}.theme-plan .cover-stage:before{border-radius:35% 65% 45% 55%}
.theme-toolkit{--ink:#111;--paper:#f4f2ed;--card:#fff;--accent:#e1252c;--detail:#111}.theme-toolkit .hero h1{font-family:var(--sans);font-weight:950;text-transform:uppercase;line-height:.88;letter-spacing:-.07em}.theme-toolkit .guide-grid{gap:4px}.theme-toolkit .guide{padding:8px}.theme-toolkit .section-title{font-family:var(--sans);font-weight:900;text-transform:uppercase}.theme-toolkit .cover-stage:before{border:18px solid var(--accent);border-radius:0}
.hero h1{font-size:clamp(3rem,5.2vw,5.4rem)}
@media(max-width:900px){.nav-links a:not(.button){display:none}.hero,.split,.focus-grid,.authority,.offer{grid-template-columns:1fr}.hero{padding-top:50px}.hero h1{font-size:clamp(3rem,12vw,5rem)}.cover-stage{min-height:490px}.facts{grid-template-columns:1fr 1fr}.fact:nth-child(2){border-right:0}.skills,.sequence{grid-template-columns:1fr 1fr}.guide-grid{grid-template-columns:repeat(2,1fr)}.library-head{display:block}.offer{gap:32px}.authority-mark{max-width:320px}.sticky{display:flex;position:fixed;z-index:20;left:12px;right:12px;bottom:12px;background:var(--ink);color:var(--paper);padding:10px 12px;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);box-shadow:0 12px 30px rgba(0,0,0,.3)}.sticky .button{min-height:44px;padding:0 16px}.sticky b{white-space:nowrap}footer{padding-bottom:120px}}
@media(max-width:560px){.wrap{width:min(100% - 28px,1180px)}section{padding-block:78px}.hero{min-height:auto}.cover-stage{min-height:400px}.cover{width:54%}.cover.back-one{transform:rotate(8deg) translate(76px,12px)}.cover.back-two{transform:rotate(-11deg) translate(-80px,38px)}.stage-note{bottom:0;right:-4px;max-width:170px}.skills,.sequence,.fit-grid,.credentials{grid-template-columns:1fr}.guide-grid{grid-template-columns:1fr 1fr;gap:9px}.guide p{display:none}.offer{padding:28px}.footer-grid{display:block}.footer-links{margin-top:20px}.final{padding-block:95px}}
@media(max-width:900px){.theme-next .hero{grid-template-columns:1fr}}
@media(max-width:560px){body{overflow-x:hidden}.cover-stage{overflow:hidden}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.cover{height:auto;aspect-ratio:3/4;object-fit:contain;background:var(--card)}
.guide img{height:auto;aspect-ratio:3/4;object-fit:contain;object-position:center;background:var(--paper)}
@media(max-width:900px){.sticky{opacity:0;pointer-events:none;transform:translateY(calc(100% + 24px));transition:opacity .2s ease,transform .2s ease}.sticky.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}}