/* wild.css */
.gakushikan-site{--ink:#072f59;--paper:#fff9df;--blue:#3459ec;--pink:#ef3978;--yellow:#ffd329;--teal:#00afaa;--orange:#ff742c;--display:'Dela Gothic One',sans-serif;--body:'Noto Sans JP',sans-serif;--hand:'Yusei Magic',sans-serif;--en:'Barlow Condensed',sans-serif}
.gakushikan-site *{box-sizing:border-box}html:has(body.gakushikan-site){scroll-behavior:smooth;scroll-padding-top:24px}body.gakushikan-site{margin:0;color:var(--ink);background:var(--paper);font:15px/2 var(--body);overflow-x:clip}.gakushikan-site main{overflow:clip}.gakushikan-site h1,.gakushikan-site h2,.gakushikan-site h3,.gakushikan-site p,.gakushikan-site figure,.gakushikan-site blockquote{margin:0}.gakushikan-site h1,.gakushikan-site h2,.gakushikan-site h3{font:400 42px/1.65 var(--display);letter-spacing:-.045em}.gakushikan-site h3{font-size:25px}.gakushikan-site p+p{margin-top:1em}.gakushikan-site a{color:inherit;text-decoration:none}.gakushikan-site img{max-width:100%;height:auto;display:block}.gakushikan-site button{font:inherit;cursor:pointer}.gakushikan-site em{font-style:normal;color:var(--pink)}.gakushikan-site strong{font-weight:900}.gakushikan-site .wrap{width:min(1120px,86%);margin-inline:auto;position:relative}.gakushikan-site .play-art{display:block;width:170px;overflow:visible;pointer-events:none}.gakushikan-site .kicker{font-size:11px;font-weight:900;letter-spacing:.1em;margin-bottom:22px}.gakushikan-site .sample-note{font-size:11px;line-height:1.9;margin-top:25px;color:#42556e}.gakushikan-site .text-link{display:inline-flex;align-items:center;gap:28px;position:relative;background:var(--ink);color:white;border-radius:45% 55% 48% 52%/55% 45% 55% 45%;padding:15px 25px;font-size:13px;font-weight:900;margin-top:25px;box-shadow:4px 5px 0 var(--yellow);transition:transform .2s,box-shadow .2s}.gakushikan-site .text-link>span{font-size:25px;color:var(--yellow);line-height:1}.gakushikan-site .text-link:hover{transform:rotate(-3deg) translateY(-4px);box-shadow:6px 8px 0 var(--pink)}.gakushikan-site a:focus-visible,.gakushikan-site button:focus-visible,.gakushikan-site summary:focus-visible{outline:4px solid var(--pink);outline-offset:7px}.gakushikan-site .skip{position:fixed;left:20px;top:-100px;z-index:200;background:white;padding:15px}.gakushikan-site .skip:focus{top:10px}.gakushikan-site .mobile-only{display:none}.gakushikan-site ::selection{background:var(--pink);color:white}
/* A floating navigation island, with the approved mark left intact. */
.gakushikan-site .site-header{position:relative;z-index:40;display:flex;align-items:center;gap:24px;padding:5px 3%;height:112px;background:#fffdf3;border-radius:0 0 7% 13%/0 0 25% 20%}.gakushikan-site .site-logo{width:190px;flex-shrink:0}.gakushikan-site .site-logo img,.gakushikan-site .footer-logo img{mix-blend-mode:multiply}.gakushikan-site .site-descriptor{font-size:9px;line-height:1.8;width:135px}.gakushikan-site .desktop-nav{display:flex;flex:1;justify-content:end;align-items:center;gap:19px;font-size:12px;font-weight:900}.gakushikan-site .desktop-nav a{white-space:nowrap;position:relative}.gakushikan-site .desktop-nav a:nth-child(2n){transform:translateY(9px)}.gakushikan-site .desktop-nav a:before{content:'';position:absolute;z-index:-1;bottom:0;left:-3px;right:-3px;height:9px;background:var(--yellow);border-radius:50%;transform:rotate(-7deg)}.gakushikan-site .desktop-nav a[aria-current]:before{background:var(--pink)}.gakushikan-site .header-contact{display:flex;align-items:center;gap:13px;background:var(--pink);color:white;font-weight:900;font-size:12px;padding:18px 20px;border-radius:49% 51% 39% 61%/58% 48% 52% 42%;transform:rotate(-8deg);white-space:nowrap;box-shadow:4px 4px 0 var(--ink)}.gakushikan-site .header-contact span{font-size:25px}.gakushikan-site .menu-toggle{border:0;background:var(--yellow);border-radius:50%;width:67px;height:67px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--ink);font:800 10px var(--en);flex-shrink:0;line-height:1}.gakushikan-site .menu-toggle b{font:30px/1 var(--body)}.gakushikan-site .site-menu{position:absolute;z-index:50;right:25px;top:104px;background:var(--blue);color:white;border:5px solid var(--ink);padding:25px 30px;width:350px;border-radius:30px 55px 30px 70px;box-shadow:10px 10px 0 var(--yellow)}.gakushikan-site .site-menu[hidden]{display:none}.gakushikan-site .site-menu .text-link{display:flex;justify-content:space-between;background:none;box-shadow:none;border-radius:0;border-bottom:1px dashed #fff8;padding:10px 0;margin:0;font-size:15px}
/* The whole first screen is a single busy composition. */
.gakushikan-site .wild-hero{max-width:1600px;margin:auto;position:relative;isolation:isolate;padding:65px 5% 100px;min-height:860px;background:radial-gradient(ellipse at 82% 41%,#ffeab5 0 29%,transparent 29.2%)}.gakushikan-site .hero-orbit{position:absolute;width:105%;height:600px;border:32px solid var(--teal);border-radius:47% 53% 57% 43%;right:-24%;top:50px;transform:rotate(-22deg);z-index:-2}.gakushikan-site .hero-orbit:after{content:'';position:absolute;inset:33px -10px -45px 80px;border:13px solid var(--yellow);border-radius:50%;transform:rotate(20deg)}.gakushikan-site .hero-dots{position:absolute;left:-3%;top:110px;width:220px;height:620px;background:radial-gradient(var(--pink) 2px,transparent 3px) 0 0/17px 17px;transform:rotate(-15deg);z-index:-2;opacity:.5;border-radius:40%}.gakushikan-site .hero-heading{position:relative;z-index:5;width:57%;pointer-events:none}.gakushikan-site .hero-category{font-weight:900;font-size:13px;display:inline-block;background:var(--ink);color:white;padding:6px 17px;transform:rotate(-3deg);border-radius:4px 15px 5px 8px;margin-bottom:22px}.gakushikan-site .hero-category span{margin-left:16px;color:var(--yellow)}.gakushikan-site .wild-hero h1{line-height:1.4}.gakushikan-site .preline{font:900 clamp(18px,2.1vw,29px)/1.7 var(--body);display:block;background:var(--paper);width:fit-content;padding:0 9px;transform:rotate(-2deg)}.gakushikan-site .important{display:block;font:400 clamp(34px,4.5vw,63px)/1.65 var(--display);letter-spacing:-.055em;width:fit-content;background:var(--paper);padding:0 10px 6px 0;transform:rotate(-2deg)}.gakushikan-site .afterschool{display:flex;align-items:center;font:400 clamp(100px,12.4vw,182px)/1.2 var(--display);letter-spacing:-.12em;white-space:nowrap;margin-left:-9px;filter:drop-shadow(5px 7px 0 var(--ink));-webkit-text-stroke:8px var(--paper);paint-order:stroke fill}.gakushikan-site .afterschool i{font-style:normal;display:inline-block;color:var(--blue);transform:rotate(-9deg)}.gakushikan-site .afterschool i:nth-child(2){color:var(--pink);transform:translateY(12px) rotate(5deg)}.gakushikan-site .afterschool i:nth-child(3){color:var(--teal);transform:rotate(-5deg)}.gakushikan-site .afterschool small{font-size:.6em;align-self:end;color:var(--ink);letter-spacing:-.3em;margin-bottom:10px}.gakushikan-site .hero-voice{display:flex;gap:10px;margin-top:32px;margin-left:-5px;white-space:nowrap;font:400 clamp(24px,3vw,43px)/1.8 var(--display)}.gakushikan-site .hero-voice span{background:var(--yellow);padding:0 8px;transform:rotate(-6deg);box-shadow:3px 4px 0 var(--ink)}.gakushikan-site .hero-voice b{background:var(--pink);color:white;padding:0 8px;transform:rotate(4deg);font-weight:400;box-shadow:3px 4px 0 var(--ink)}.gakushikan-site .wild-photo{position:absolute;width:61%;right:-2%;top:100px;z-index:1;transform:rotate(6deg)}.gakushikan-site .wild-photo img{width:100%;height:530px;object-fit:cover;clip-path:polygon(4% 8%,29% 0,49% 5%,69% 0,93% 4%,100% 27%,96% 49%,100% 76%,88% 96%,64% 92%,41% 100%,21% 92%,2% 98%,5% 68%,0 42%)}.gakushikan-site .wild-photo figcaption{font:400 22px/1.6 var(--hand);background:white;border:3px solid var(--ink);border-radius:50%;padding:12px 25px;position:absolute;top:-24px;right:5%;transform:rotate(-14deg);box-shadow:4px 5px 0 var(--yellow)}.gakushikan-site .hero-expert{position:absolute;right:5%;top:557px;z-index:6;width:225px;height:200px;background:var(--yellow);padding:30px 26px;text-align:center;transform:rotate(11deg);clip-path:polygon(8% 5%,34% 10%,45% 0,58% 10%,87% 3%,88% 24%,100% 42%,91% 59%,100% 84%,77% 87%,67% 100%,47% 92%,22% 100%,16% 78%,0 70%,9% 49%,0 27%,13% 23%)}.gakushikan-site .hero-expert>span{font-size:9px;font-weight:900}.gakushikan-site .hero-expert b{font:400 23px/1.6 var(--display);display:block}.gakushikan-site .hero-smallprint{margin-top:36px;position:relative;z-index:5;max-width:48%;display:flex;flex-direction:column;align-items:start;gap:20px}.gakushikan-site .hero-smallprint>p{font-size:13px;font-weight:800;line-height:1.95}.gakushikan-site .hero-enter{display:flex;align-items:center;justify-content:space-between;gap:30px;border:3px solid var(--ink);border-radius:55% 45% 50% 50%/55% 55% 45% 45%;padding:13px 25px;background:#fffef6;font-weight:900;font-size:13px;box-shadow:5px 6px 0 var(--blue);transition:transform .2s}.gakushikan-site .hero-enter>span{font-size:25px;color:var(--pink)}.gakushikan-site .hero-enter:hover{transform:rotate(-5deg)}.gakushikan-site .hero-math{position:absolute;right:23%;bottom:60px;width:165px;z-index:4;transform:rotate(20deg)}.gakushikan-site .hero-book{position:absolute;right:-2%;bottom:60px;width:120px;z-index:4;transform:rotate(-15deg)}.gakushikan-site .hero-spark{position:absolute;right:46%;top:2px;width:100px;color:var(--orange);transform:rotate(15deg);z-index:-1}.gakushikan-site .hero-hello{position:absolute;right:27%;top:0;font:900 90px/.9 var(--en);color:var(--pink);transform:rotate(17deg);z-index:4}.gakushikan-site .hero-hello i{font-style:normal;display:inline-block;font-size:90px;color:var(--ink);transform:rotate(-25deg)}.gakushikan-site .hero-scroll{position:absolute;bottom:10px;left:50%;transform:translateX(-50%) rotate(-5deg);font-size:11px;font-weight:900;display:flex;align-items:center;gap:15px;background:var(--paper);padding:8px 18px;border-radius:50%}.gakushikan-site .hero-scroll span{font-size:30px;color:var(--blue)}
/* A navigable explosion of learning objects, not a row of cards. */
.gakushikan-site .playground{position:relative;isolation:isolate;padding:95px 0 110px;margin-top:0}.gakushikan-site .playground:before{content:'';position:absolute;inset:0 -8%;background:#fff;z-index:-2;border-radius:47% 45% 42% 20%/6% 8% 6% 10%;transform:rotate(-2deg)}.gakushikan-site .playground-heading{text-align:center;position:relative;z-index:3}.gakushikan-site .playground-heading h2{font-size:clamp(32px,4.3vw,60px);line-height:1.6;transform:rotate(-4deg)}.gakushikan-site .playground-heading h2>span{color:var(--blue);text-shadow:3px 3px 0 var(--yellow)}.gakushikan-site .playground-heading h2>small{font:900 21px var(--body);display:inline-block;transform:rotate(10deg)}.gakushikan-site .playground-heading h2>em{color:var(--ink);background:linear-gradient(transparent 60%,var(--yellow) 60% 93%,transparent 93%)}.gakushikan-site .treasure-field{width:min(1200px,94%);height:730px;position:relative;margin:20px auto 0}.gakushikan-site .squiggle{position:absolute;width:115%;left:-7%;top:20%;height:400px;fill:none;stroke:var(--pink);stroke-width:12;stroke-linecap:round;z-index:-1;pointer-events:none}.gakushikan-site .treasure-field>.squiggle{transform:rotate(-16deg);stroke:var(--yellow);stroke-width:25;top:100px}.gakushikan-site .field-word{position:absolute;left:37%;top:230px;font:900 95px/.9 var(--en);color:var(--paper);-webkit-text-stroke:2px var(--blue);transform:rotate(-12deg);letter-spacing:-.03em;z-index:-1}.gakushikan-site .discovery{position:absolute;width:280px;text-align:center;display:flex;flex-direction:column;align-items:center;transition:transform .3s;isolation:isolate}.gakushikan-site .discovery:before{content:'';position:absolute;inset:50px 5px -20px;border-radius:50% 40% 45% 50%;z-index:-1;background:#fff8cb;transform:rotate(10deg)}.gakushikan-site .discovery .play-art{width:235px;transition:transform .25s}.gakushikan-site .discovery:hover .play-art{transform:rotate(15deg) scale(1.08)}.gakushikan-site .discovery small{font-size:12px;font-weight:800;margin:8px 0}.gakushikan-site .discovery b{font:400 23px/1.6 var(--display);background:white;padding:0 5px}.gakushikan-site .jump{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;background:var(--ink);color:var(--yellow);font-size:28px;position:absolute;right:-9px;bottom:2px}.gakushikan-site .d-math{left:0;top:0;transform:rotate(-12deg)}.gakushikan-site .d-words{right:2%;top:10px;transform:rotate(9deg)}.gakushikan-site .d-words:before{background:#c9f4e4;border-radius:40% 55% 43% 35%}.gakushikan-site .d-games{left:17%;top:365px;transform:rotate(9deg)}.gakushikan-site .d-games:before{background:#ffe0ed}.gakushikan-site .d-daily{right:12%;top:390px;transform:rotate(-10deg)}.gakushikan-site .d-daily:before{background:#dce3ff}.gakushikan-site .daily-drawing{height:195px;position:relative;display:block;font:400 155px/1 var(--display);color:var(--pink);width:250px;text-align:left}.gakushikan-site .daily-drawing>span{position:absolute;left:100px;top:38px;font-size:95px;color:var(--blue);transform:rotate(15deg)}.gakushikan-site .daily-drawing>i{position:absolute;right:0;top:125px;font-size:58px;font-style:normal;color:var(--teal);transform:rotate(-8deg)}.gakushikan-site .mini-find{position:absolute;z-index:3}.gakushikan-site .f-teacher{left:38%;top:25px;transform:rotate(8deg);background:var(--yellow);padding:18px 25px;border-radius:46% 54% 44% 56%/55% 48% 52% 45%;box-shadow:5px 6px 0 var(--ink)}.gakushikan-site .f-teacher strong{display:block;font:400 55px/1.4 var(--display);color:var(--pink)}.gakushikan-site .f-teacher span{font-size:11px;font-weight:900}.gakushikan-site .f-record{right:-1%;top:370px;background:var(--paper);border:2px dashed var(--blue);padding:20px 25px;transform:rotate(12deg);font:400 17px/1.6 var(--hand);box-shadow:6px 5px 0 var(--teal)}.gakushikan-site .f-record b{font:800 11px var(--en);display:block;margin-top:10px}.gakushikan-site .playground-end{text-align:center;font:400 21px/2 var(--hand);margin-top:50px;transform:rotate(-4deg)}.gakushikan-site .playground-end b{font:400 31px var(--display);color:var(--blue)}
/* Lessons occupy different physical worlds: pieces, book, board. */
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/* Teacher / child dialogue, habits and the years before entrance exams. */
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/* Shared DG closing signature */
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/* Pink signature retained across every shared closing. */
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/* impact.css */
/* Focused revision: content becomes the visual, not decoration around the content. */
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/* Concrete teacher intervention, in one continuous sequence. */
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/* Foundation: deliberately literal words, oversized like a wall display. */
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/* Tension is reserved for a specific educational problem, not the whole site. */
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/* The actual founders' illustrations form a full-width human focal point. */
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@media(max-width:370px){.gakushikan-site .discovery{width:225px}.gakushikan-site .discovery b{font-size:60px}.gakushikan-site .d-games b{font-size:48px}.gakushikan-site .d-daily b{font-size:33px}.gakushikan-site .discovery>p{font-size:13px}.gakushikan-site .f-teacher strong{font-size:21px}.gakushikan-site .teacher-question strong{font-size:24px}.gakushikan-site .teach-impact h2{font-size:36px}.gakushikan-site .teacher-moves h3{font-size:20px}.gakushikan-site .four-heading h2{font-size:26px}.gakushikan-site .four-heading h2>em{font-size:25px}.gakushikan-site .before-three{font-size:48px}.gakushikan-site .parents-heading h2{font-size:35px}.gakushikan-site .parents-message h3{font-size:23px}.gakushikan-site .parents-cast img{height:270px}.gakushikan-site .parents-cast figure{bottom:90px}.gakushikan-site .parents-cast figcaption b{font-size:14px}.gakushikan-site .parents-quote{font-size:23px}}

/* core.css */
/* The subjects, the teachers and the work belong to one programme. */
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.gakushikan-site .contents-rush .wrap,.gakushikan-site .program-core .wrap,.gakushikan-site .teaching-lab .wrap,.gakushikan-site .everyday-drill .wrap,.gakushikan-site .home-evidence .wrap,.gakushikan-site .family-arena .wrap,.gakushikan-site .join-statement .wrap,.gakushikan-site .future-trail .wrap{width:min(1220px,88%)}
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/* No isolated banner: a programme cover with its own index flows into the lessons. */
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/* A teaching scene, rather than an unexplained manifesto. */
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/* Daily practice as repeated work, visually separate from the main programme. */
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/* The grade-four jump is a visible gap, then a moving three-year response. */
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@keyframes gks-core-march{to{transform:translateX(-50%)}}
/* Correct, named portraits from SUEHIRO and TAGAWA; both hold both roles. */
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/* A physical collection of evidence gives the family conversation a reason. */
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/* Parents' events as a poster wall: four distinct challenges, no quiet cards. */
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/* Participation and the future are bold statements with clear next steps. */
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/* Supplied photo: the crossed fingers make the warning immediate. */
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/* Supplied DG ink artwork and clear programme invitation. */
.gakushikan-site .core-gorimi{position:absolute;right:-2%;bottom:20px;width:43%;aspect-ratio:1.23;overflow:hidden;mix-blend-mode:multiply;transform:rotate(4deg);z-index:1}.gakushikan-site .core-gorimi img{position:absolute;bottom:0;left:0;width:100%;height:auto}.gakushikan-site .core-title{padding-bottom:45px}.gakushikan-site .core-shout{right:0;bottom:-10px;font-size:27px;padding:10px 18px}.gakushikan-site .core-title h2{max-width:66%}
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.gakushikan-site .math-spread .topic-list li>b{color:#fff}.gakushikan-site .join-statement h2>.join-program-label{display:table;width:fit-content;font-size:.69em;background:var(--blue);color:white;padding:7px 18px 10px;margin:28px 0 15px;box-shadow:7px 8px 0 var(--yellow);transform:rotate(2deg);line-height:1.5}.gakushikan-site .join-program-label>span{font-size:.7em}.gakushikan-site .join-statement h2>em{margin-top:15px}
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@media(prefers-reduced-motion:reduce){.gakushikan-site .four-moving>.four-track{animation:none}}
.gakushikan-site .four-run{min-width:110vw}