:root{--green:#3f8062;--blue:#327ba2;--ink:#24342d;--muted:#66756e;--cream:#f7faf6;--line:#dce8e0;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif;color:var(--ink);line-height:1.8;background:#fff}a{color:inherit}.wrap{width:min(1100px,calc(100% - 36px));margin:auto}.header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line)}.nav{display:flex;justify-content:space-between;align-items:center;min-height:70px;gap:18px}.brand{font-weight:800;font-size:1.25rem;text-decoration:none}.navlinks{display:flex;gap:18px;align-items:center;font-size:.9rem}.navlinks a{text-decoration:none}.hero{background:linear-gradient(135deg,#edf8f0,#edf6fb);padding:78px 0}.badge{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-size:.82rem;font-weight:700}.hero h1{font-size:clamp(2.2rem,6vw,4.6rem);line-height:1.22;letter-spacing:-.04em;margin:22px 0 18px}.lead{font-size:1.08rem;color:var(--muted);max-width:720px}.buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 22px;border-radius:999px;text-decoration:none;font-weight:800;background:var(--green);color:#fff}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}section{padding:70px 0;border-bottom:1px solid var(--line)}h2{font-size:clamp(1.7rem,4vw,2.6rem);line-height:1.3;margin:0 0 18px}.eyebrow{font-size:.78rem;letter-spacing:.14em;color:var(--muted);font-weight:800}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.grid.two{grid-template-columns:repeat(2,1fr)}.card{border:1px solid var(--line);border-radius:20px;padding:22px;background:#fff}.soft{background:var(--cream);border:1px solid var(--line);border-radius:26px;padding:32px}.big{font-size:2rem;font-weight:900;line-height:1.15}.muted{color:var(--muted)}.price-row{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--line)}.price-row:last-child{border-bottom:0}.cta{text-align:center;background:linear-gradient(135deg,#eff9f2,#edf6fb)}details{padding:15px 0;border-bottom:1px solid var(--line)}summary{font-weight:800;cursor:pointer}.footer{padding:35px 0;color:var(--muted);font-size:.9rem}.crumb{padding:22px 0 0;font-size:.85rem;color:var(--muted)}@media(max-width:760px){.navlinks{display:none}.hero{padding:55px 0}.grid,.grid.two{grid-template-columns:1fr}section{padding:52px 0}.soft{padding:23px}.buttons .btn{width:100%}}

/* v2: conversion and local SEO */
.section-intro{max-width:760px;margin-bottom:28px}.checklist{display:grid;gap:10px;margin:18px 0 0;padding:0;list-style:none}.checklist li{padding:12px 14px 12px 42px;border:1px solid var(--line);border-radius:14px;position:relative;background:#fff}.checklist li:before{content:"✓";position:absolute;left:15px;font-weight:900;color:var(--green)}.local-note{margin-top:24px;padding:18px 20px;border-left:4px solid var(--green);background:var(--cream);border-radius:0 14px 14px 0}.text-link{font-weight:800;color:var(--green)}.mini-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.mini-nav a{padding:7px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:.9rem}.mobile-cta{display:none}.trustline{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.trustline span{font-size:.88rem;padding:5px 10px;background:#fff;border:1px solid var(--line);border-radius:999px}@media(max-width:760px){body{padding-bottom:72px}.mobile-cta{display:flex;position:fixed;left:12px;right:12px;bottom:10px;z-index:30}.mobile-cta .btn{width:100%;box-shadow:0 8px 24px rgba(36,52,45,.18)}.hero h1{font-size:2.45rem}.lead{font-size:1rem}.card{padding:19px}}

/* v3: trust, conversion, visual polish */
.hero-split{display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center}.hero-panel{background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:28px;padding:26px;box-shadow:0 18px 55px rgba(36,52,45,.08)}.hero-panel .stat{padding:14px 0;border-bottom:1px solid var(--line)}.hero-panel .stat:last-child{border-bottom:0}.hero-panel strong{font-size:1.45rem}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.step{border:1px solid var(--line);border-radius:20px;padding:22px}.step:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--green);color:#fff;font-weight:900;margin-bottom:12px}.result-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.result-chip{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff}.result-chip b{display:block;font-size:1.35rem}.quote{font-size:1.08rem;padding:24px;border-left:4px solid var(--blue);background:#f4f9fc;border-radius:0 18px 18px 0}.anchorbar{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.anchorbar a{text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:.88rem;background:#fff}.faq-mini details{background:#fff}.kicker{font-size:.92rem;font-weight:800;color:var(--green)}@media(max-width:760px){.hero-split{grid-template-columns:1fr}.hero-panel{padding:20px}.steps,.result-strip{grid-template-columns:1fr}.anchorbar{overflow:auto;flex-wrap:nowrap;padding-bottom:5px}.anchorbar a{white-space:nowrap}}

/* v4: official logo-led brand finish */
:root{--green:#268657;--green-deep:#176b49;--leaf:#74b82d;--gold:#f4b914;--orange:#d77816;--blue:#208aa1;--cream:#fffaf0;--ink:#24342d;--muted:#66756e;--line:#dce8e0;--white:#fff}
body{background:linear-gradient(180deg,#fff 0%,#fffefa 100%)}
.header{box-shadow:0 8px 28px rgba(30,88,61,.05)}
.brand{display:flex;align-items:center;gap:10px;color:var(--green-deep)}
.brand img{width:58px;height:48px;object-fit:cover;object-position:center 30%;border-radius:10px}
.brand span{font-weight:900;letter-spacing:.03em}
.navlinks a{font-weight:700;color:#42564c}.navlinks a:hover{color:var(--green)}
.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 82% 20%,rgba(244,185,20,.20),transparent 24%),radial-gradient(circle at 8% 82%,rgba(116,184,45,.18),transparent 28%),linear-gradient(135deg,#f2fbf3 0%,#fffaf0 56%,#edf8fb 100%)}
.hero:after{content:"";position:absolute;width:320px;height:320px;border:54px solid rgba(244,185,20,.10);border-left-color:transparent;border-bottom-color:transparent;border-radius:50%;right:-110px;top:-110px;transform:rotate(20deg)}
.hero-brand{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:48px;align-items:center;position:relative;z-index:1}
.hero-copy h1{color:var(--green-deep)}
.badge{border-color:#d9eadc;color:var(--green-deep);box-shadow:0 6px 20px rgba(38,134,87,.06)}
.hero-logo-card{background:rgba(255,255,255,.9);border:1px solid rgba(38,134,87,.15);border-radius:32px;padding:24px;box-shadow:0 24px 60px rgba(33,94,66,.12);text-align:center;transform:rotate(1deg)}
.hero-logo-card img{display:block;width:100%;max-width:410px;margin:auto;border-radius:20px}.hero-logo-card p{margin:12px 0 0;font-weight:800;color:#4d5a52;letter-spacing:.08em}
.hero-trust{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}.hero-trust span{background:rgba(255,255,255,.82);border:1px solid #dce9dd;border-radius:999px;padding:5px 11px;font-size:.82rem;font-weight:700;color:#4c6156}
.btn{background:linear-gradient(135deg,var(--green),var(--green-deep));box-shadow:0 9px 22px rgba(38,134,87,.18);transition:.2s transform,.2s box-shadow}.btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(38,134,87,.24)}
.btn.secondary{box-shadow:none;background:#fff}.eyebrow{color:var(--orange)}h2{color:var(--green-deep)}
.card{box-shadow:0 10px 30px rgba(35,80,58,.045);transition:.2s transform,.2s box-shadow}.card:hover{transform:translateY(-2px);box-shadow:0 15px 36px rgba(35,80,58,.08)}
.soft{background:linear-gradient(135deg,#f2fbf3,#fffaf0);border-color:#dce9dd}.big{color:var(--green-deep)}
.cta{background:radial-gradient(circle at 15% 20%,rgba(116,184,45,.16),transparent 26%),radial-gradient(circle at 88% 70%,rgba(244,185,20,.15),transparent 26%),linear-gradient(135deg,#f0faf2,#fffaf2)}
.footer{background:#f7faf6;border-top:1px solid var(--line)}.footer-inner{display:flex;align-items:center;gap:18px}.footer-inner img{width:90px;height:64px;object-fit:cover;object-position:center 35%;border-radius:12px}
@media(max-width:760px){.brand img{width:48px;height:40px}.brand span{font-size:1.05rem}.hero-brand{grid-template-columns:1fr;gap:30px}.hero-logo-card{order:-1;max-width:330px;margin:auto;padding:15px;border-radius:24px}.hero-logo-card p{font-size:.85rem}.hero{padding-top:34px}.hero-copy h1{font-size:2.35rem}.hero-trust{gap:6px}.hero-trust span{font-size:.76rem}.footer-inner{align-items:flex-start}.footer-inner img{width:76px;height:56px}}

/* final brand refinement */
.brand img{width:72px;height:48px;object-fit:contain;object-position:center;background:#fff;border-radius:8px}
.hero-logo-card img{object-fit:contain;background:#fff;aspect-ratio:auto;border-radius:18px}
.footer-inner img{width:130px;height:72px;object-fit:contain;background:#fff}
section:nth-of-type(even):not(.hero):not(.cta){background:rgba(247,250,246,.52)}
.card h3{color:var(--green-deep);margin-top:0}.card a,.soft a,section>div>p>a{color:var(--green-deep);font-weight:800;text-underline-offset:4px}
.hero-copy{max-width:690px}.hero-logo-card{transform:none}.hero-logo-card p{display:none}
@media(max-width:760px){.brand img{width:62px;height:42px}.brand span{font-size:1rem}.hero-logo-card{max-width:360px}.hero-logo-card img{width:100%}.footer-inner img{width:110px;height:64px}}


/* blog: additive styles only */
.blog-hero{padding:58px 0;background:linear-gradient(135deg,#f2fbf3,#fffaf0)}
.blog-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.blog-card{border:1px solid var(--line);border-radius:22px;padding:24px;background:#fff;box-shadow:0 10px 30px rgba(35,80,58,.045)}
.blog-card time,.article-meta{font-size:.86rem;color:var(--muted)}
.blog-card h2{font-size:1.45rem;margin:8px 0 10px}
.blog-card a{text-decoration:none;color:var(--green-deep)}
.article{max-width:820px;margin:auto}.article h1{font-size:clamp(2rem,5vw,3.35rem);line-height:1.3;color:var(--green-deep);margin:14px 0 12px}.article h2{margin-top:2.2em}.article h3{color:var(--green-deep);margin-top:1.8em}.article p{margin:1em 0}.article-lead{font-size:1.12rem;color:var(--muted)}
.article-visual{margin:28px 0;border:1px solid var(--line);border-radius:28px;overflow:hidden;background:linear-gradient(135deg,#eaf8ee,#fff8e6);min-height:310px;display:grid;place-items:center;position:relative}.article-visual-inner{text-align:center;padding:38px;position:relative;z-index:1}.article-visual .ammonite{font-size:5.6rem;line-height:1}.article-visual strong{display:block;font-size:clamp(1.55rem,4vw,2.35rem);color:var(--green-deep);margin-top:12px}.article-visual span{display:block;color:var(--muted);margin-top:6px}.article-visual:before,.article-visual:after{content:"";position:absolute;border-radius:50%;background:rgba(116,184,45,.13)}.article-visual:before{width:230px;height:230px;left:-70px;bottom:-80px}.article-visual:after{width:190px;height:190px;right:-55px;top:-65px;background:rgba(244,185,20,.15)}
.article-note{padding:18px 20px;border-left:4px solid var(--green);background:var(--cream);border-radius:0 14px 14px 0;margin:26px 0}.article-links{margin-top:34px;padding:24px;border:1px solid var(--line);border-radius:20px;background:#fff}.article-links a{font-weight:800;color:var(--green-deep)}
.blog-empty{color:var(--muted)}
@media(max-width:760px){.blog-list{grid-template-columns:1fr}.blog-hero{padding:42px 0}.article-visual{min-height:250px}.article-visual-inner{padding:28px 20px}.article-visual .ammonite{font-size:4.5rem}}

/* HP improvement 1: navigation, first view and teacher introduction */
.skip-link{position:fixed;top:8px;left:12px;z-index:100;transform:translateY(-160%);padding:10px 18px;background:#fff;color:var(--green-deep);border:2px solid var(--green-deep);border-radius:8px}.skip-link:focus{transform:none}
a:focus-visible,summary:focus-visible{outline:3px solid #985b05;outline-offset:4px}
.mobile-menu{display:none}.mobile-only{display:none}
.hero-area{font-size:.96rem;font-weight:800;color:var(--green-deep);margin:20px 0 12px}.home-hero .lead{max-width:34em}.hero-reassurance{font-size:.85rem;color:#526458;margin:12px 0 0}.home-shortcuts{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:12px;padding-block:21px}.home-shortcuts span{font-size:.85rem;color:var(--muted)}.home-shortcuts a{min-height:44px;display:inline-flex;align-items:center;padding:6px 15px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;font-size:.9rem;font-weight:700;color:var(--green-deep)}
#teacher{scroll-margin-top:90px}.teacher-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:32px;align-items:start}.teacher-profile{background:linear-gradient(145deg,#edf7ed,#fff7e4);border:1px solid #d9e7d9;border-radius:24px;padding:30px}.teacher-profile h3{font-size:1.55rem;line-height:1.55;color:var(--green-deep);margin:22px 0 14px}.teacher-number{font-size:1.3em;font-weight:800;color:var(--green-deep)}.profile-note{font-size:.8rem;color:var(--muted)}.teacher-promises>h3{margin-top:0;color:var(--green-deep);font-size:1.15rem}.teacher-promises ol{list-style:none;counter-reset:promise;padding:0;margin:0}.teacher-promises li{counter-increment:promise;position:relative;padding:0 0 21px 48px;margin:0 0 21px;border-bottom:1px solid var(--line)}.teacher-promises li:last-child{margin:0;padding-bottom:0;border-bottom:0}.teacher-promises li:before{content:counter(promise);position:absolute;left:0;top:1px;width:32px;height:32px;border-radius:50%;background:#e8f1e7;color:var(--green-deep);display:grid;place-items:center;font-weight:800}.teacher-promises strong{display:block;color:var(--ink)}.teacher-promises p{margin:7px 0 0;color:var(--muted);font-size:.95rem}.teacher-contact{margin-top:30px;display:flex;justify-content:space-between;align-items:center;gap:24px;padding-top:24px;border-top:1px solid var(--line)}.teacher-contact p{margin:0;max-width:36em}.teacher-contact .btn{flex-shrink:0}
@media(max-width:1100px){
 .navlinks{display:none}.nav{min-height:70px}.mobile-menu{display:block;padding:0;border:0;position:relative}.mobile-menu summary{display:flex;gap:8px;align-items:center;justify-content:center;min-height:44px;padding:6px 12px;list-style:none;border:1px solid #c9dacd;border-radius:10px;background:#fff;color:var(--green-deep);font-size:.88rem}.mobile-menu summary::-webkit-details-marker{display:none}.menu-icon{display:inline-block;width:17px;height:12px;border-top:2px solid currentColor;border-bottom:2px solid currentColor;position:relative}.menu-icon:after{content:"";position:absolute;left:0;right:0;top:4px;border-top:2px solid currentColor}.mobile-menu[open] summary{background:#edf6ed}.mobile-menu nav{position:absolute;right:0;top:calc(100% + 12px);width:min(350px,calc(100vw - 36px));max-height:calc(100dvh - 110px);overflow-y:auto;overscroll-behavior:contain;padding:12px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 16px 45px rgba(28,63,42,.18);display:grid;grid-template-columns:1fr 1fr;gap:5px}.mobile-menu nav a{display:flex;align-items:center;min-height:48px;padding:10px;font-size:.88rem;text-decoration:none;border-radius:8px;color:var(--green-deep);font-weight:700}.mobile-menu nav a:hover{background:#f0f6ed}.mobile-menu .menu-parent{grid-column:1/-1;border-top:1px solid var(--line);border-radius:0;color:var(--muted)}
}
@media(max-width:760px){
 .home-hero{padding:32px 0 30px}.home-hero .hero-logo-card{display:none}.home-hero .hero-brand{gap:0}.home-hero .hero-copy h1{font-size:clamp(2.3rem,9vw,3.2rem);margin:18px 0 16px;line-height:1.3}.hero-area{font-size:.86rem;margin:0 0 12px}.home-hero .lead{font-size:.96rem;margin:0}.home-hero .buttons{margin-top:20px;gap:10px}.home-hero .buttons .btn{min-height:48px}.hero-reassurance{font-size:.78rem}.home-shortcuts{justify-content:flex-start;gap:8px;padding-block:18px}.home-shortcuts span{width:100%;font-size:.8rem}.home-shortcuts a{font-size:.82rem;padding:6px 12px}.mobile-only{display:block}.teacher-layout{grid-template-columns:1fr;gap:26px}.teacher-profile{padding:24px}.teacher-profile h3{font-size:1.4rem}.teacher-contact{display:block}.teacher-contact .btn{margin-top:16px;width:100%;font-size:.92rem}.teacher-promises>h3{font-size:1.05rem}.teacher-promises strong{font-size:.95rem}.mobile-cta{bottom:calc(10px + env(safe-area-inset-bottom,0px))}body{padding-bottom:calc(78px + env(safe-area-inset-bottom,0px))}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn,.card{transition:none}}