:root{--green:#009b4e;--deep:#006b37;--ink:#17211c;--muted:#65736b;--paper:#fffdf7;--line:#dce7df;--yellow:#f5c542;--red:#d94b3d;--blue:#2e6fbb;--max:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f6f8f2;font-family:"Yu Gothic","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.top-strip{background:var(--deep);color:#fff;font-size:13px}.inner,.section,.footer-inner{width:min(var(--max),calc(100% - 32px));margin:auto}.top-strip .inner{display:flex;justify-content:space-between;gap:16px;padding:6px 0}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.site-header .inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:12px;min-width:220px}.brand img{width:46px;height:46px;object-fit:contain}.brand strong{display:block;line-height:1.15;font-size:18px}.brand span{display:block;color:var(--muted);font-size:12px;font-weight:700}.nav{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:2px}.nav a{padding:10px 8px;border-radius:6px;font-size:14px;font-weight:800}.nav a:hover,.nav a.current{background:#eaf4ed;color:var(--deep)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border:2px solid var(--green);border-radius:6px;background:var(--green);color:#fff;font-weight:900;line-height:1.3;box-shadow:0 3px 0 var(--deep);cursor:pointer}.btn.secondary{background:#fff;color:var(--deep);box-shadow:none}.btn.warning{border-color:var(--yellow);background:var(--yellow);color:#2c2200;box-shadow:0 3px 0 #b58800}.cta-row{display:flex;gap:10px;flex-wrap:wrap}.hero{background:linear-gradient(90deg,rgba(0,55,30,.9),rgba(0,91,48,.64) 48%,rgba(0,0,0,.1)),url('../images/student-high.jpg') center/cover;color:#fff}.hero .section{min-height:620px;display:grid;grid-template-columns:1fr;align-items:center;gap:42px;padding:70px 0 52px}.kicker{display:inline-flex;padding:6px 10px;border-radius:999px;background:var(--yellow);color:#2c2200;font-weight:900;font-size:13px}h1,h2,h3,p{margin-top:0}h1{margin:16px 0 18px;font-size:clamp(42px,7vw,86px);line-height:1.05;letter-spacing:0}.hero-lead{max-width:720px;font-size:20px;font-weight:800}.hero-panel{align-self:end;background:rgba(255,255,255,.94);color:var(--ink);border:1px solid rgba(255,255,255,.8);border-radius:8px;padding:22px;box-shadow:0 18px 44px rgba(0,0,0,.24)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:22px}.stat{min-height:92px;padding:14px;border-radius:8px;background:#fff;color:var(--ink);border-top:5px solid var(--green)}.stat strong{display:block;font-size:26px;line-height:1}.stat span{font-size:12px;color:var(--muted);font-weight:800}.section{padding:68px 0}.band{background:#fff;border-block:1px solid var(--line)}.section-title{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}.section-title h2,.page-title h1{font-size:clamp(30px,4vw,46px);line-height:1.18;margin-bottom:8px}.section-title p,.page-title p{color:var(--muted);max-width:760px;margin-bottom:0}.grid{display:grid;gap:18px}.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}.card.pad{padding:22px}.card img{width:100%;height:210px;object-fit:cover}.tag{display:inline-flex;margin-bottom:10px;padding:3px 9px;border-radius:999px;background:#eaf4ed;color:var(--deep);font-size:12px;font-weight:900}.tag.red{background:#fff0ed;color:#a83328}.tag.blue{background:#edf5ff;color:#245a99}.tag.yellow{background:#fff8d9;color:#725600}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 22px}.filter-btn{border:1px solid var(--line);border-radius:999px;background:#fff;padding:9px 14px;font-weight:900;color:var(--ink);cursor:pointer}.filter-btn.is-active{background:var(--green);border-color:var(--green);color:#fff}.course-card[hidden]{display:none}.notice-list{border-top:1px solid var(--line)}.notice-item{display:grid;grid-template-columns:120px 120px 1fr;gap:16px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}.notice-date{font-weight:900;color:var(--deep)}.notice-cat{width:max-content;padding:2px 8px;border:1px solid var(--line);border-radius:999px;font-size:12px;color:var(--muted)}.page-hero{background:linear-gradient(135deg,#f7fff9,#fff7dd);border-bottom:1px solid var(--line)}.page-title{padding:56px 0 42px}.crumb{font-size:13px;color:var(--muted);margin-bottom:18px}.feature{display:grid;grid-template-columns:.85fr 1.15fr;gap:30px;align-items:center}.feature img{border-radius:8px;border:1px solid var(--line)}.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}.table th,.table td{border-bottom:1px solid var(--line);padding:14px 16px;text-align:left;vertical-align:top}.table th{width:28%;background:#f1f7f3}.timeline{position:relative;display:grid;gap:14px}.timeline::before{content:"";position:absolute;left:88px;top:8px;bottom:8px;width:3px;background:var(--line)}.timeline-item{position:relative;display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:start}.timeline-year{font-weight:900;color:var(--deep);background:#fff;z-index:1}.timeline-body{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px}.maps-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.map-card svg{width:100%;height:auto;display:block;background:#eef5ef}.map-body{padding:16px}.teacher{display:grid;grid-template-columns:94px 1fr;gap:16px;align-items:start}.avatar{width:94px;height:94px;display:grid;place-items:center;border-radius:50%;background:#eaf4ed;color:var(--deep);font-size:34px;font-weight:900}.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:12px;padding:16px 18px}.faq summary{cursor:pointer;font-weight:900}.voice{border-left:6px solid var(--green)}.fineprint{color:var(--muted);font-size:12px}.site-footer{background:#102019;color:#e8f4ec}.footer-inner{padding:44px 0;display:grid;grid-template-columns:1fr 2fr;gap:28px}.site-footer .brand span,.site-footer .brand strong{color:#e8f4ec}.footer-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.footer-links a{display:block;color:#c9ddcf;padding:3px 0;font-size:14px}.copyright{border-top:1px solid rgba(255,255,255,.13);padding:14px 0;color:#a8b9ae;font-size:12px}.mini{font-size:12px;color:var(--muted)}@media(max-width:980px){.site-header .inner{align-items:stretch;flex-direction:column;padding:12px 0}.hero .section,.feature,.footer-inner{grid-template-columns:1fr}.hero .section{min-height:auto}.cols-3,.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}.mobile-menu{display:block}.mobile-menu summary{display:flex;align-items:center;justify-content:space-between;min-height:46px;padding:10px 14px;border:1px solid var(--line);border-radius:8px;background:#f6fbf7;font-weight:900;cursor:pointer}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary::after{content:"＋";font-size:22px;color:var(--deep);line-height:1}.mobile-menu[open] summary::after{content:"−"}.nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:10px 0 2px}.nav a{background:#fff;border:1px solid var(--line);padding:11px 12px}.nav a.current{border-color:#cce2d2}}@media(max-width:640px){.top-strip .inner,.section-title{display:block}.top-strip span{display:block}.hero{background-position:62% center}.hero .section{padding-top:58px}.stats{display:flex;overflow-x:auto;gap:10px;padding:0 16px 8px;margin-left:-16px;margin-right:-16px;scroll-snap-type:x mandatory}.stat{min-width:172px;scroll-snap-align:start}.cols-2,.cols-3,.cols-4,.footer-links,.maps-grid{grid-template-columns:1fr}.notice-item{grid-template-columns:1fr;gap:4px}.card img{height:190px}.teacher{grid-template-columns:1fr}.timeline::before{left:56px}.timeline-item{grid-template-columns:82px 1fr;gap:14px}.brand{min-width:0}.brand strong{font-size:17px}}
.hero .section>*{min-width:0}h1{overflow-wrap:anywhere}.stats{max-width:100%}@media(max-width:640px){.hero .section{grid-template-columns:minmax(0,1fr)}.stats{width:calc(100vw - 32px);max-width:calc(100vw - 32px)}.hero-panel{max-width:100%}h1{font-size:40px}}

.brand strong{font-family:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;font-weight:800;letter-spacing:.03em}.menu-toggle{display:none;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:8px;min-height:44px;padding:8px 12px;font-weight:900;color:var(--ink);cursor:pointer}.menu-toggle span{display:block;width:18px;height:2px;background:var(--deep);border-radius:2px}.menu-toggle b{font-size:13px}.urgent-section{background:#fff;border-bottom:1px solid var(--line)}.urgent-section .section{padding:26px 0}.urgent-section .hero-panel{max-width:none;box-shadow:none;border-color:var(--line)}@media(min-width:981px){.nav{display:flex!important}.hero-panel{align-self:auto}}@media(max-width:980px){.site-header .inner{display:grid;grid-template-columns:1fr auto;align-items:center}.menu-toggle{display:inline-flex}.nav{grid-column:1/-1;display:none;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;padding:10px 0 2px}.nav.is-open{display:grid}.nav a{background:#fff;border:1px solid var(--line);padding:11px 12px}.nav a.current{border-color:#cce2d2}}@media(max-width:640px){.site-header .inner{grid-template-columns:1fr auto}.menu-toggle b{display:none}}

/* Final navigation cleanup */
.mobile-menu{display:contents!important}.mobile-menu summary{display:none!important}.menu-toggle{width:auto;min-width:136px;justify-content:center;gap:10px}.menu-toggle::before{content:"";display:block;width:24px;height:18px;background:linear-gradient(var(--deep),var(--deep)) 0 0/24px 2px no-repeat,linear-gradient(var(--deep),var(--deep)) 0 8px/24px 2px no-repeat,linear-gradient(var(--deep),var(--deep)) 0 16px/24px 2px no-repeat}.menu-toggle>span{display:none!important}.menu-toggle b{display:inline-block;white-space:nowrap}.site-header .inner{align-items:center}@media(max-width:980px){.site-header .inner{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center}.menu-toggle{display:inline-flex}.nav{grid-column:1/-1;display:none}.nav.is-open{display:grid}}@media(max-width:640px){.menu-toggle{min-width:86px;width:86px;height:58px;padding:8px}.menu-toggle b{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.brand img{width:58px;height:58px}.brand strong{font-size:19px}}

.news-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;margin-bottom:20px}.news-card{grid-template-columns:120px 120px minmax(0,1fr)}.notice-main{display:grid;gap:4px}.notice-main small{color:var(--muted);font-weight:700}.article-body{max-width:860px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px}.article-body p{font-size:16px}.article-meta{display:flex;gap:10px;align-items:center;margin-bottom:20px}.related-box{margin:28px 0;padding:18px;border:1px solid var(--line);border-radius:8px;background:#f7fbf8}.related-box h2{font-size:22px;margin-bottom:12px}code{font-family:Consolas,monospace;background:#eef5ef;padding:2px 5px;border-radius:4px}@media(max-width:760px){.news-toolbar{display:block}.news-card{grid-template-columns:1fr}.article-body{padding:20px}.article-meta{flex-wrap:wrap}}