:root{
  --container:1200px;
  --key:#83de51; --key-d:#5bbf2c; --sub:#1f2c5a; --sub-2:#2b3d70; --gry:#e7ebf8; --gry-2:#f1f4fb;
  --ink:#333; --ink-soft:#6a7285; --white:#fff; --line:#e3e7f2;
  --ease:cubic-bezier(0.16,1,0.3,1);
  --shadow:0 24px 50px -28px rgba(31,44,90,.4); --shadow-sm:0 12px 26px -16px rgba(31,44,90,.35);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans JP",sans-serif;color:var(--ink);background:var(--white);line-height:1.8;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--container);margin:0 auto;padding:0 24px}
.bebas{font-family:"Bebas Neue",sans-serif;font-weight:400;letter-spacing:.03em}
h1,h2,h3,h4{line-height:1.4;font-weight:900}

/* ===== header ===== */
.topbar{background:var(--sub);color:#cdd6ee;font-size:.76rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:36px;gap:14px;flex-wrap:wrap}
.topbar a{color:#cdd6ee}.topbar a:hover{color:#fff}
header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
header.scrolled{box-shadow:0 6px 22px -14px rgba(31,44,90,.4)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:16px}
.brand img{height:34px;width:auto}
.nav-links{display:flex;align-items:center;gap:24px}
.nav-links a{font-weight:700;font-size:.86rem;position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:3px;background:var(--key);transition:width .25s}
.nav-links a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:12px}
.lang{display:flex;border:1.5px solid var(--line);border-radius:999px;overflow:hidden}
.lang button{border:0;background:#fff;padding:6px 11px;font-size:.74rem;font-weight:800;cursor:pointer;color:var(--ink-soft);font-family:inherit}
.lang button.active{background:var(--key);color:var(--sub)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:800;cursor:pointer;border-radius:6px;padding:13px 26px;font-size:.9rem;transition:transform .2s,box-shadow .2s,background .2s;border:0;font-family:inherit;justify-content:center}
.btn svg{width:17px;height:17px;fill:currentColor}
.btn-key{background:var(--key);color:var(--sub);box-shadow:0 12px 24px -12px rgba(131,222,81,.9)}
.btn-key:hover{background:var(--key-d);color:#fff;transform:translateY(-2px)}
.btn-navy{background:var(--sub);color:#fff}.btn-navy:hover{transform:translateY(-2px);background:var(--sub-2)}
.btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7)}.btn-ghost:hover{background:#fff;color:var(--sub)}
.btn-lg{padding:16px 34px;font-size:1rem}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:3px;background:var(--sub);border-radius:3px}

/* ===== FV hero ===== */
.fv{position:relative;height:90vh;min-height:620px;max-height:940px;overflow:hidden;color:#fff}
.fv-bg{position:absolute;inset:0;z-index:0}
.fv-bg .slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.08);transition:opacity 1.8s ease,transform 7s ease}
.fv-bg .slide.on{opacity:1;transform:scale(1)}
.fv::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(100deg,rgba(20,30,64,.86) 12%,rgba(20,30,64,.5) 55%,rgba(20,30,64,.25))}
.fv-inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center}
.fv-eyebrow{font-family:"Bebas Neue",sans-serif;letter-spacing:.22em;font-size:1.05rem;color:var(--key);margin-bottom:10px}
.fv h1{font-size:clamp(2.1rem,5vw,3.7rem);font-weight:900;line-height:1.3;text-shadow:0 4px 20px rgba(0,0,0,.3)}
.fv h1 .g{color:var(--key)}
.fv .tagline{font-size:clamp(1.05rem,2vw,1.4rem);font-weight:800;margin:20px 0 10px}
.fv .subcopy{font-size:clamp(.92rem,1.4vw,1.02rem);color:#e3e8f4;font-weight:500;max-width:600px}
.fv-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.fv-badge{position:absolute;right:0;bottom:44px;z-index:2;background:var(--key);color:var(--sub);border-radius:14px 0 0 14px;padding:16px 26px 16px 30px;box-shadow:var(--shadow)}
.fv-badge .n{font-family:"Bebas Neue",sans-serif;font-size:3rem;line-height:.9}
.fv-badge .l{font-size:.74rem;font-weight:800}
.scroll-ind{position:absolute;left:50%;bottom:18px;z-index:2;transform:translateX(-50%);font-family:"Bebas Neue";font-size:.8rem;letter-spacing:.2em;color:#fff;opacity:.85;display:flex;flex-direction:column;align-items:center;gap:6px}
.scroll-ind::after{content:"";width:1px;height:30px;background:#fff;animation:scr 1.8s infinite}
@keyframes scr{0%{transform:scaleY(0);transform-origin:top}45%{transform:scaleY(1);transform-origin:top}55%{transform:scaleY(1);transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ===== section shell ===== */
section.block{padding:96px 0;position:relative}
.block.gry{background:var(--gry-2)}
.block.blue{background:var(--sub);color:#fff}
.sec-head{text-align:center;margin-bottom:54px}
.sec-en{font-family:"Bebas Neue",sans-serif;font-size:clamp(3rem,7vw,5.6rem);line-height:.88;color:var(--sub);letter-spacing:.03em}
.block.blue .sec-en{color:#fff}
.sec-ja{font-weight:800;font-size:1rem;color:var(--key-d);margin-top:6px}
.block.blue .sec-ja{color:var(--key)}
.sec-lead{color:var(--ink-soft);margin-top:16px;font-weight:500;max-width:720px;margin-left:auto;margin-right:auto}
.block.blue .sec-lead{color:#d5dcf0}
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ===== stats ===== */
.stats{background:var(--key);color:var(--sub)}
.stats .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;padding:34px 24px;text-align:center}
.stat .n{font-family:"Bebas Neue",sans-serif;font-size:3.4rem;line-height:.9}
.stat .n small{font-size:1.4rem}
.stat .l{font-size:.78rem;font-weight:800;margin-top:4px}
.stat+.stat{border-left:1px solid rgba(31,44,90,.18)}

/* ===== about ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.about-ph{position:relative}
.about-ph .p1{width:80%;border-radius:12px;box-shadow:var(--shadow)}
.about-ph .p2{position:absolute;right:0;bottom:-30px;width:52%;border-radius:12px;border:6px solid #fff;box-shadow:var(--shadow)}
.about-body h3{font-size:1.6rem;color:var(--sub);margin-bottom:8px;line-height:1.5}
.about-body h3 .g{color:var(--key-d)}
.about-body p{color:var(--ink-soft);font-weight:500;margin-bottom:14px}
.about-body .mission{display:inline-block;font-weight:900;font-size:1.15rem;color:var(--sub);border-bottom:4px solid var(--key);padding-bottom:2px;margin-bottom:14px}

/* ===== value chain ===== */
.chain{display:flex;gap:0;flex-wrap:wrap;justify-content:center;margin-top:8px}
.cstep{flex:1;min-width:150px;text-align:center;position:relative;padding:8px}
.cstep .box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:24px 14px;height:100%}
.cstep.hot .box{background:var(--key);border-color:transparent;color:var(--sub)}
.cstep .st{font-family:"Bebas Neue";font-size:1.1rem;color:var(--key);letter-spacing:.1em}
.cstep.hot .st{color:var(--sub)}
.cstep b{display:block;font-size:1.15rem;margin:4px 0 2px}
.cstep span{font-size:.78rem;opacity:.85;font-weight:600}
.cstep .arrow{position:absolute;right:-8px;top:50%;transform:translateY(-50%);z-index:3;color:var(--key);font-size:1.4rem;font-weight:900}
.cstep:last-child .arrow{display:none}

/* ===== strength ===== */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.scard{background:#fff;border-radius:14px;padding:30px 24px;box-shadow:var(--shadow-sm);position:relative;transition:transform .3s var(--ease),box-shadow .3s}
.scard:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.scard .no{font-family:"Bebas Neue";font-size:2.4rem;color:var(--key);line-height:1}
.scard h3{font-size:1.12rem;color:var(--sub);margin:6px 0 8px}
.scard p{font-size:.86rem;color:var(--ink-soft);font-weight:500}

/* ===== service ===== */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s;display:flex;flex-direction:column;align-items:center;gap:8px}
.svc:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--key)}
.svc .logo{height:82px;display:flex;align-items:center;justify-content:center;margin-bottom:4px}
.svc .logo img{max-height:82px;width:auto}
.svc .cat{font-family:"Bebas Neue";letter-spacing:.12em;font-size:.82rem;color:var(--key-d)}
.svc h3{font-size:1.1rem;color:var(--sub)}
.svc p{font-size:.84rem;color:var(--ink-soft);font-weight:500;flex-grow:1}
.svc .go{font-weight:800;font-size:.82rem;color:var(--key-d);display:inline-flex;gap:6px;align-items:center}
.svc .go::after{content:"→";transition:transform .2s}.svc:hover .go::after{transform:translateX(4px)}

/* ===== results ===== */
.logos{background:#fff;border-radius:14px;box-shadow:var(--shadow-sm);border:1px solid var(--line);padding:28px 24px;margin-bottom:20px}
.logos h4{text-align:center;font-size:.86rem;color:var(--ink-soft);margin-bottom:16px;font-weight:800}
.logo-row{display:flex;flex-wrap:wrap;justify-content:center;gap:11px}
.logo-chip{background:var(--gry-2);border:1px solid var(--line);border-radius:8px;padding:9px 16px;font-weight:800;font-size:.84rem;color:var(--sub)}
.media-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.media-chip{font-size:.78rem;color:var(--ink-soft);font-weight:700;border:1px dashed var(--line);border-radius:8px;padding:8px 14px;background:#fff}
.marq-wrap{overflow:hidden;margin-top:24px;border-radius:14px}
.marq{display:flex;gap:12px;width:max-content;animation:marq 50s linear infinite}
.marq-wrap:hover .marq{animation-play-state:paused}
.marq img{height:170px;width:auto;border-radius:10px;object-fit:cover;flex:0 0 auto}
@keyframes marq{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ===== representative ===== */
.rep{display:grid;grid-template-columns:200px 1fr;gap:40px;align-items:center}
.rep-ph{width:200px;max-width:100%;margin:0 auto;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/5}
.rep-ph img{width:100%;height:100%;object-fit:cover}
.rep-body .role{font-family:"Bebas Neue";letter-spacing:.12em;color:var(--key-d);font-size:.95rem}
.rep-body h3{font-size:1.5rem;color:var(--sub);margin:2px 0 2px}
.rep-body .en{font-size:.82rem;color:var(--ink-soft);font-weight:600;margin-bottom:14px}
.rep-body .quote{font-size:1.25rem;font-weight:900;color:var(--sub);border-left:5px solid var(--key);padding-left:16px;margin:16px 0}
.rep-body p{color:var(--ink-soft);font-weight:500;font-size:.92rem}

/* ===== youtube ===== */
.yt-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.yt-card{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);background:#000;aspect-ratio:16/9;display:grid;place-items:center}
.yt-card img{width:100%;height:100%;object-fit:contain;background:#fff}
.yt-play{position:absolute;width:76px;height:76px;border-radius:50%;background:#FF0000;display:grid;place-items:center;box-shadow:0 12px 30px -8px rgba(255,0,0,.6);transition:transform .25s}
.yt-card:hover .yt-play{transform:scale(1.1)}
.yt-play svg{width:32px;height:32px;fill:#fff;margin-left:4px}
.yt-body h3{font-size:1.5rem;color:var(--sub);margin-bottom:12px}
.yt-body p{color:var(--ink-soft);font-weight:500;margin-bottom:18px}

/* ===== news ===== */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.nitem{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:var(--shadow-sm);transition:transform .25s}
.nitem:hover{transform:translateY(-4px)}
.nitem .date{font-family:"Bebas Neue";font-size:1.05rem;color:var(--key-d);letter-spacing:.06em}
.nitem .cat{font-size:.66rem;font-weight:800;color:#fff;background:var(--sub);border-radius:999px;padding:3px 10px;margin-left:8px}
.nitem h4{font-size:1rem;margin-top:12px;line-height:1.5;color:var(--sub)}

/* ===== contact ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:22px;margin-top:8px;text-align:left}
.ccard{background:#fff;border-radius:16px;padding:28px;box-shadow:var(--shadow);position:relative}
.ccard .cn{position:absolute;top:16px;right:20px;font-family:"Bebas Neue";font-size:2.2rem;color:var(--gry)}
.ccard h3{font-size:1.15rem;color:var(--sub);margin-bottom:8px}
.ccard>p{color:var(--ink-soft);font-weight:500;font-size:.88rem;margin-bottom:16px}
.cc-book{display:flex;flex-direction:column;background:linear-gradient(160deg,#fff,#eefbe7)}
.cc-book .spir-btn{margin-top:auto;width:100%;font-size:1rem;padding:15px}
.spir-note{font-size:.74rem;color:var(--ink-soft);margin-top:10px;text-align:center}
.field{margin-bottom:11px}
.field label{display:block;font-size:.78rem;font-weight:800;margin-bottom:5px;color:var(--sub)}
.field label .req{color:#e03131;font-size:.7rem;margin-left:4px}
.field input,.field select,.field textarea{width:100%;border:1.5px solid var(--line);border-radius:8px;padding:10px 12px;font-family:inherit;font-size:.88rem;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--key);box-shadow:0 0 0 3px #d9f4c9}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:11px}
#inquiryForm .btn{width:100%;margin-top:4px}
.form-msg{margin-top:12px;padding:12px 14px;border-radius:8px;font-size:.85rem;font-weight:700;display:none}
.form-msg.ok{display:block;background:#e7f7ec;color:#1a7f37;border:1px solid #b7e4c7}
.contact-fallback{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;color:var(--ink-soft);font-weight:700;font-size:.88rem;margin-top:22px}
.contact-fallback a{color:var(--sub)}

/* ===== footer ===== */
footer{background:var(--sub);color:#aeb9d6;padding:56px 0 24px;font-size:.86rem}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:32px;margin-bottom:28px}
.foot-brand img{height:34px;filter:brightness(0) invert(1);margin-bottom:14px}
.foot-brand p{opacity:.85;font-size:.82rem}
.foot-col h5{color:#fff;font-size:.9rem;margin-bottom:14px;font-weight:800}
.foot-col a{display:block;margin-bottom:9px;opacity:.85}.foot-col a:hover{opacity:1;color:var(--key)}
.sns{display:flex;gap:9px;margin-top:14px;flex-wrap:wrap}
.sns a{width:38px;height:38px;border-radius:10px;background:#fff;display:grid;place-items:center;box-shadow:0 1px 3px rgba(0,0,0,.18);transition:transform .2s,box-shadow .2s}
.sns a:hover{transform:translateY(-3px);box-shadow:0 6px 14px rgba(0,0,0,.30)}
.sns a svg{width:21px;height:21px;display:block}
.sns img{width:21px;height:21px;object-fit:contain}
.other{border-top:1px solid rgba(255,255,255,.12);margin-top:6px;padding-top:16px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.other .ol{font-family:"Bebas Neue";letter-spacing:.14em;font-size:.8rem;color:#8ea0c6}
.other a{display:inline-flex;align-items:center;gap:8px;font-size:.76rem;color:#c7d0e6;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:6px 12px}
.other a img{height:20px;width:auto;background:#fff;border-radius:4px;padding:1px 3px}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:20px;text-align:center;font-size:.75rem;opacity:.7;display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

@media(max-width:1000px){
  .about-grid,.yt-grid,.contact-grid{grid-template-columns:1fr}
  .grid4{grid-template-columns:repeat(2,1fr)}
  .services,.news{grid-template-columns:1fr 1fr}
  .stats .wrap{grid-template-columns:repeat(3,1fr);gap:22px 10px}
  .stat+.stat{border-left:0}
  .foot-grid{grid-template-columns:1fr 1fr}
  .about-ph{max-width:520px;margin:0 auto 30px}
  .rep{grid-template-columns:1fr;justify-items:center;text-align:center}
}
@media(max-width:760px){
  .nav-links{position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;padding:22px;gap:16px;border-bottom:1px solid var(--line);transform:translateY(-140%);transition:transform .35s;box-shadow:var(--shadow)}
  .nav-links.open{transform:none}
  .hamburger{display:flex}.nav-right .btn{display:none}
  .grid4,.services,.news,.field-row{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:1fr 1fr}
  section.block{padding:64px 0}
  .fv-badge{display:none}
}

/* ===== lower-page shared: page-hero, breadcrumb, ctable ===== */
.page-hero{position:relative;color:#fff;padding:96px 0 78px;overflow:hidden}
.page-hero .bgimg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.05)}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,30,64,.9),rgba(20,30,64,.62))}
.page-hero .wrap{position:relative;z-index:2}
.breadcrumb{font-size:.76rem;color:#cfe0ee;font-weight:700;margin-bottom:12px}
.breadcrumb a:hover{color:#fff}
.page-hero .en{font-family:"Bebas Neue",sans-serif;font-size:clamp(3.4rem,9vw,6rem);line-height:.9;letter-spacing:.03em}
.page-hero .ja{color:var(--key);font-weight:800;font-size:1.05rem}
.ctable{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);max-width:880px;margin:0 auto}
.ctable table{width:100%;border-collapse:collapse;font-size:.9rem}
.ctable td{padding:14px 24px;border-top:1px solid var(--line);vertical-align:top}
.ctable tr:first-child td{border-top:0}
.ctable td:first-child{color:var(--sub);font-weight:800;width:30%;background:var(--gry-2)}

/* ===== FV background video ===== */
.fv-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
@media(prefers-reduced-motion:reduce){.fv-video{display:none}}

/* ===== SCHOOL LIFE photo gallery ===== */
.photo-gallery{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.photo-gallery figure{position:relative;margin:0;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm);aspect-ratio:3/4;background:var(--gry)}
.photo-gallery img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.photo-gallery figure:hover img{transform:scale(1.07)}
.photo-gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 12px 11px;font-size:.78rem;font-weight:700;color:#fff;background:linear-gradient(transparent,rgba(20,30,64,.92))}
.photo-gallery .cc{position:absolute;top:10px;left:10px;font-family:"Bebas Neue",sans-serif;letter-spacing:.08em;font-size:.68rem;color:var(--sub);background:var(--key);padding:3px 10px;border-radius:999px;box-shadow:0 6px 14px -8px rgba(31,44,90,.5)}
@media(max-width:1000px){.photo-gallery{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.photo-gallery{grid-template-columns:repeat(2,1fr);gap:8px}.photo-gallery figcaption{font-size:.7rem;padding:22px 8px 9px}.photo-gallery .cc{font-size:.6rem}}