:root{--green:#24765d;--green-dark:#175345;--green-soft:#f0ffe8;--blue:#246b92;--ink:#17302b;--muted:#667671;--paper:#f5f6f2;--white:#fff;--line:#dce5df;--shadow:0 16px 38px rgba(26,62,52,.09)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans JP",sans-serif;font-size:16px;line-height:1.8}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
img{max-width:100%}
.wrap{width:min(1120px,calc(100% - 48px));margin:auto}
.site-header{position:sticky;top:0;z-index:40;height:78px;background:rgba(240,255,232,.96);border-bottom:1px solid rgba(36,118,93,.13);backdrop-filter:blur(12px)}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:13px;min-width:0}
.brand img{width:46px;height:46px;border-radius:12px;object-fit:cover;flex:0 0 auto}
.brand strong{font-size:19px;letter-spacing:.045em;white-space:nowrap}
.global-nav{display:flex;align-items:center;gap:24px;color:#40544e;font-size:15px}
.global-nav a{position:relative;padding:25px 0}
.global-nav a:hover,.global-nav a[aria-current="page"]{color:var(--green);font-weight:600}
.global-nav a[aria-current="page"]:after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;border-radius:2px;background:var(--green)}
.menu-toggle{display:none;border:0;background:#fff;color:var(--green);cursor:pointer}
.page-hero{padding:74px 0 58px;background:linear-gradient(135deg,#eaf6ef 0%,#f7fbf7 62%,#e8f3f8 100%)}
.breadcrumb{margin-bottom:18px;color:#63756f;font-size:14px}
.breadcrumb a{color:var(--green)}
.eyebrow{color:var(--blue);font-size:14px;font-weight:700;letter-spacing:.2em;text-transform:uppercase}
.page-hero h1{margin:10px 0 15px;font-family:"M PLUS Rounded 1c",sans-serif;font-size:42px;line-height:1.4;letter-spacing:.06em;font-weight:500}
.page-hero p{max-width:760px;margin:0;color:#60716c;font-size:17px;line-height:1.9}
.page-nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.page-nav a{padding:10px 17px;border:1px solid #b9d7cc;border-radius:999px;background:rgba(255,255,255,.72);color:var(--green);font-size:14px;font-weight:600}
.compact-page-hero{padding:30px 0;background:linear-gradient(135deg,#eaf6ef 0%,#f7fbf7 62%,#e8f3f8 100%)}
.subpage-hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:42px;align-items:center}
.subpage-hero-copy{min-width:0}
.compact-page-hero .breadcrumb{margin-bottom:10px}
.compact-page-hero h1{margin:5px 0 9px;font-size:36px}
.compact-page-hero p{font-size:15px;line-height:1.75}
.compact-page-hero .page-nav{margin-top:18px}
.compact-page-hero .page-nav a{padding:8px 15px}
.subpage-hero-image{height:250px;margin:0;overflow:hidden;border-radius:20px;box-shadow:0 12px 30px rgba(26,62,52,.13)}
.subpage-hero-image img{display:block;width:100%;height:100%;object-fit:cover;object-position:center}
.text-only-page-hero .wrap{min-height:250px;display:flex;flex-direction:column;justify-content:center}
.section{padding:66px 0}
.section.alt{background:#e7f0ec}
.section-head{margin-bottom:28px}
.section-head h2{margin:7px 0 0;font-family:"M PLUS Rounded 1c",sans-serif;font-size:30px;line-height:1.45;letter-spacing:.05em;font-weight:500}
.section-lead{max-width:760px;margin:12px 0 0;color:var(--muted)}
.desktop-single-line{max-width:none!important;white-space:nowrap}
.card{border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}
.info-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.info-card{padding:26px}
.info-card span{display:block;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.13em}
.info-card strong{display:block;margin-top:10px;font-size:18px;line-height:1.65;font-weight:600}
.timeline{display:grid;gap:0;padding:12px 28px}
.timeline-item{display:grid;grid-template-columns:100px 20px 1fr;gap:16px;align-items:start;padding:22px 0;border-bottom:1px solid #e2ebe6}
.timeline-item:last-child{border-bottom:0}
.timeline time{color:var(--green);font-size:17px;font-weight:700}
.timeline-dot{width:12px;height:12px;margin-top:9px;border:3px solid #b9d9ce;border-radius:50%;background:var(--green)}
.timeline-item h3{margin:0 0 5px;font-size:18px}.timeline-item p{margin:0;color:var(--muted)}
.access-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:22px;align-items:stretch}
.access-copy{padding:30px}.access-copy h3{margin:0 0 13px;font-size:22px}.access-copy p{margin:0 0 16px}.access-copy ul{margin:0;padding-left:1.3em;color:var(--muted)}
.map-frame{min-height:390px;overflow:hidden}.map-frame iframe{display:block;width:100%;height:100%;min-height:390px;border:0}
.faq-list{display:grid;gap:12px}
.faq-list details{border:1px solid var(--line);border-radius:17px;background:#fff;overflow:hidden}
.faq-list summary{position:relative;padding:19px 58px 19px 22px;cursor:pointer;font-weight:600;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"＋";position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--green);font-size:22px}
.faq-list details[open] summary:after{content:"−"}
.faq-answer{padding:0 22px 20px;color:var(--muted)}.faq-answer p{margin:0}.faq-answer a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.cta-row{display:flex;justify-content:center;margin-top:30px}
.primary-button,.secondary-button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:11px 22px;border:1px solid var(--green);border-radius:999px;font-weight:600;cursor:pointer}
.primary-button{background:var(--green);color:#fff}.primary-button:hover{background:var(--green-dark)}
.secondary-button{background:#fff;color:var(--green)}
.summary-strip{display:flex;align-items:end;justify-content:space-between;gap:24px;padding:28px 30px;margin-bottom:20px}
.summary-strip h2{margin:4px 0 0;font-size:28px}.total-number{color:var(--green);font-size:22px}.total-number b{font-size:42px;line-height:1}
.attendance-panel{padding:28px 30px}.attendance-panel-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.attendance-panel-head h2{margin:4px 0 0;font-size:28px}.attendance-list{display:grid;gap:14px}
.attendance-row{display:grid;grid-template-columns:54px 1fr 42px;gap:14px;align-items:center}
.attendance-label{font-weight:600}.attendance-bar{height:14px;border-radius:99px;background:transparent;overflow:visible}.attendance-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--green),var(--blue))}.attendance-count{text-align:right;color:var(--green);font-weight:700}
.message-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.message-card{min-height:170px;padding:23px}.message-card small{color:var(--blue);font-size:16px;font-weight:600}.message-card p{margin:12px 0 0;color:#4f605b;line-height:1.85}
.note{margin-top:18px;color:var(--muted);font-size:14px}
.teacher-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:820px}
.teacher-card{display:grid;grid-template-columns:84px 1fr;gap:22px;padding:28px;align-items:center}
.teacher-symbol{width:84px;height:84px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,#dcefe6,#dcebf3);color:var(--green);font-family:"M PLUS Rounded 1c";font-size:28px;font-weight:700}
.teacher-card h2{margin:0 0 6px;font-size:23px}.teacher-card dl{display:grid;grid-template-columns:84px 1fr;gap:4px 12px;margin:13px 0 0}.teacher-card dt{color:var(--muted);font-size:14px}.teacher-card dd{margin:0}
.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.photo-button{display:block;aspect-ratio:1;border:0;border-radius:18px;overflow:hidden;background:#dfe8e3;padding:0;cursor:pointer;box-shadow:0 8px 22px rgba(26,62,52,.08)}
.photo-button img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .25s}.photo-button:hover img{transform:scale(1.035)}
.album-callout{padding:32px;display:flex;align-items:center;justify-content:space-between;gap:24px}.album-callout h2{margin:0 0 8px;font-size:25px}.album-callout p{margin:0;color:var(--muted)}
.album-page-hero{padding:26px 0}.album-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}.album-item{padding:0;overflow:hidden}.album-item button{display:block;width:100%;border:0;background:transparent;padding:0;cursor:pointer}.album-item img{display:block;width:100%;height:auto;background:none}.album-item:hover img{transform:scale(1.015)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.text-card{padding:28px}.text-card h2{margin:0 0 14px;font-size:23px}.text-card p{margin:0 0 12px;color:var(--muted)}.text-card ul{margin:0;padding-left:1.25em;color:var(--muted)}
.committee{overflow:hidden}.committee-row{display:grid;grid-template-columns:90px 1fr;border-bottom:1px solid var(--line)}.committee-row:last-child{border-bottom:0}.committee-row strong,.committee-row span{padding:15px 20px}.committee-row strong{background:#eef5f1;color:var(--green)}
.contact-card{padding:30px;text-align:center}.contact-card p{margin:8px 0 20px;color:var(--muted)}
.site-footer{padding:38px 0;background:#133d34;color:rgba(255,255,255,.82);font-size:14px}.footer-inner{display:flex;justify-content:space-between;gap:24px}.site-footer a{text-decoration:underline;text-underline-offset:3px}
.modal{position:fixed;inset:0;z-index:100;display:none;place-items:center;padding:20px;background:rgba(8,28,24,.66)}.modal.is-open{display:grid}.modal-panel{width:min(560px,100%);max-height:90vh;overflow:auto;padding:28px;border-radius:22px;background:#fff;box-shadow:0 24px 64px rgba(0,0,0,.25)}.modal-head{display:flex;align-items:start;justify-content:space-between;gap:18px}.modal-head h2{margin:0;font-size:23px}.modal-close{width:42px;height:42px;border:0;border-radius:50%;background:#eef4f1;color:var(--green);font-size:24px;cursor:pointer}.modal-panel p{color:var(--muted)}.consent{display:flex;gap:10px;align-items:flex-start;margin:20px 0;padding:16px;border-radius:13px;background:#f2f7f4}.consent input{width:20px;height:20px;margin-top:4px}.modal-actions{display:flex;justify-content:flex-end;gap:10px}.modal-actions .is-disabled{pointer-events:none;opacity:.38}
.lightbox-panel{width:min(1240px,100%);height:min(90vh,900px);max-height:90vh;display:flex;flex-direction:column;padding:14px;background:#fff;overflow:hidden}.lightbox-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:10px}.lightbox-toolbar>strong{padding-left:4px;font-size:16px}.zoom-controls{display:flex;align-items:center;gap:7px}.zoom-controls button{min-width:42px;height:42px;border:0;border-radius:12px;background:#edf4f0;color:var(--green);font-weight:700;cursor:pointer}.zoom-controls button:hover{background:#dfece6}.zoom-controls output{min-width:58px;text-align:center;color:#51645e;font-size:14px;font-weight:600}.zoom-controls .zoom-reset{width:auto;padding:0 14px}.zoom-controls .modal-close{background:#e4eeea;font-size:24px}.lightbox-stage{position:relative;flex:1;min-height:0;display:grid;place-items:center;overflow:hidden;border-radius:15px;background:#e9efec;cursor:zoom-in;touch-action:none;user-select:none}.lightbox-stage.is-zoomed{cursor:grab}.lightbox-stage.is-dragging{cursor:grabbing}.lightbox-image{display:block;max-width:100%;max-height:100%;width:auto;height:auto;margin:auto;transform-origin:center center;will-change:transform;transition:transform .08s ease-out;pointer-events:none}.lightbox-stage.is-dragging .lightbox-image{transition:none}.zoom-help{margin:9px 4px 0;color:var(--muted);font-size:13px;line-height:1.5}.simple-lightbox-panel{width:min(1100px,100%);height:auto;display:block;padding:12px;overflow:auto}.simple-lightbox-panel .modal-head{justify-content:flex-end;margin-bottom:8px}.simple-lightbox-panel .lightbox-image{max-height:76vh;transform:none;transition:none}
@media(max-width:820px){
  .wrap{width:calc(100% - 32px)}
  .site-header{height:70px}
  .brand{gap:9px}.brand img{width:40px;height:40px}.brand strong{font-size:15px;letter-spacing:.02em;white-space:nowrap}
  .menu-toggle{display:flex;width:46px;height:46px;flex:0 0 46px;align-items:center;justify-content:center;flex-direction:column;gap:6px;border-radius:12px;box-shadow:0 3px 12px rgba(25,73,60,.12)}
  .menu-toggle span{display:block;width:24px;height:3px;border-radius:99px;background:currentColor;transition:.2s}
  .site-header.menu-open .menu-toggle span:nth-child(1){transform:translateY(9px) rotate(45deg)}.site-header.menu-open .menu-toggle span:nth-child(2){opacity:0}.site-header.menu-open .menu-toggle span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
  .global-nav{display:none;position:absolute;top:68px;right:16px;width:184px;padding:8px;border:1px solid rgba(36,118,93,.15);border-radius:15px;background:rgba(255,255,255,.98);box-shadow:0 14px 32px rgba(22,66,54,.16)}
  .site-header.menu-open .global-nav{display:grid}
  .global-nav a{padding:12px 14px;border-bottom:1px solid #e1ebe6;white-space:nowrap}.global-nav a:last-child{border-bottom:0}.global-nav a[aria-current="page"]:after{display:none}
  .page-hero{padding:45px 0 38px}.page-hero h1{font-size:32px}.page-hero p{font-size:16px}.page-nav{gap:8px;margin-top:22px}.page-nav a{font-size:13px;padding:8px 13px}
  .compact-page-hero{padding:22px 0 26px}
  .subpage-hero-grid{grid-template-columns:1fr;gap:20px}
  .compact-page-hero .breadcrumb{margin-bottom:8px}
  .compact-page-hero h1{margin:4px 0 8px;font-size:30px}
  .compact-page-hero p{font-size:15px;line-height:1.75}
  .desktop-single-line{white-space:normal}
  .compact-page-hero .page-nav{margin-top:16px}
  .subpage-hero-image{height:190px;border-radius:16px;grid-row:1}
  .subpage-hero-copy{grid-row:2}
  .text-only-page-hero .wrap{min-height:0}
  .section{padding:46px 0}.section-head{margin-bottom:22px}.section-head h2{font-size:26px}
  .info-cards,.message-grid,.teacher-grid,.about-grid{grid-template-columns:1fr}
  .info-card{padding:22px}.timeline{padding:8px 20px}.timeline-item{grid-template-columns:72px 14px 1fr;gap:10px}.timeline time{font-size:15px}
  .access-grid{grid-template-columns:1fr}.access-copy{padding:24px}.map-frame,.map-frame iframe{min-height:320px}
  .faq-list summary{padding:17px 52px 17px 18px}.faq-answer{padding:0 18px 18px}
  .summary-strip{display:block;padding:23px}.total-number{display:block;margin-top:12px}.total-number b{font-size:38px}
  .attendance-panel{padding:23px 20px}.attendance-panel-head{display:block;margin-bottom:22px}.attendance-panel-head .total-number{margin-top:12px}.attendance-row{grid-template-columns:42px 1fr 32px;gap:9px}
  .message-card{min-height:0;padding:20px}
  .teacher-card{grid-template-columns:70px 1fr;padding:22px;gap:16px}.teacher-symbol{width:70px;height:70px;font-size:24px}.teacher-card dl{grid-template-columns:76px 1fr}
  .photo-grid{grid-template-columns:repeat(2,1fr);gap:10px}.photo-button{border-radius:14px}
  .album-callout{display:block;padding:24px}.album-callout .primary-button{margin-top:20px;width:100%}.album-page-hero{padding:20px 0 22px}.album-grid{grid-template-columns:1fr}
  .committee-row{grid-template-columns:70px 1fr}.committee-row strong,.committee-row span{padding:13px 15px}
  .footer-inner{display:grid;gap:8px}
  .modal-panel{padding:22px}.modal-actions{display:grid}.modal-actions a,.modal-actions button{width:100%}
  .lightbox-panel{width:100%;height:92vh;max-height:92vh;padding:10px}.lightbox-toolbar{align-items:flex-start}.lightbox-toolbar>strong{display:none}.zoom-controls{width:100%;justify-content:center;gap:5px}.zoom-controls button{min-width:40px;height:40px}.zoom-controls .modal-close{margin-left:auto}.zoom-help{font-size:12px;text-align:center}
}
@media(max-width:390px){.brand strong{font-size:14px}.brand img{width:38px;height:38px}.header-inner{gap:8px}}