:root{--brand:#2ca9e1;--brand-dark:#0b7fb5;--brand-soft:#e8f6fc;--ink:#1d2329;--ink-2:#4a545e;--muted:#6b7680;--line:#e4e8ec;--bg:#fff;--tint:#f5f8fa;--radius:16px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{background:var(--bg);color:var(--ink);margin:0;padding-bottom:76px;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Yu Gothic,Meiryo,sans-serif;font-size:16px;line-height:1.8}img{max-width:100%;display:block}a{color:var(--brand-dark)}h1,h2,h3{letter-spacing:.02em;margin:0 0 .5em;line-height:1.4}p{margin:0 0 1em}.wrap{max-width:1080px;margin:0 auto;padding:0 20px}.wrap.narrow{max-width:760px}.eyebrow{letter-spacing:.18em;color:var(--brand-dark);margin:0 0 6px;font-size:12px;font-weight:700}.lead{color:var(--ink-2)}.small{color:var(--muted);font-size:13px}.header{z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);background:#fffffff5;position:sticky;top:0}.header-inner{align-items:center;gap:20px;max-width:1080px;margin:0 auto;padding:10px 20px;display:flex}.logo{color:var(--ink);letter-spacing:.06em;flex-direction:column;font-size:24px;font-weight:900;line-height:1.1;text-decoration:none;display:flex}.logo small{letter-spacing:.08em;color:var(--brand-dark);margin-top:2px;font-size:10px;font-weight:700}.nav{gap:20px;margin-left:auto;display:none}.nav a{color:var(--ink);font-size:14px;font-weight:600;text-decoration:none}.nav a:hover{color:var(--brand-dark)}.header-cta{background:var(--brand);color:#fff;white-space:nowrap;border-radius:999px;margin-left:auto;padding:9px 18px;font-size:14px;font-weight:700;text-decoration:none}.subnav{scrollbar-width:none;gap:18px;padding:0 20px 8px;font-size:13px;display:flex;overflow-x:auto}.subnav::-webkit-scrollbar{display:none}.subnav a{color:var(--ink-2);white-space:nowrap;font-weight:600;text-decoration:none}@media (min-width:860px){.nav{display:flex}.header-cta{margin-left:0}.subnav{display:none}}.book-button{background:var(--brand);color:#fff;border-radius:999px;justify-content:center;align-items:center;gap:10px;min-width:min(100%,320px);padding:16px 28px;font-size:17px;font-weight:800;text-decoration:none;display:inline-flex;box-shadow:0 6px 18px #2ca9e159}.book-button:hover{background:var(--brand-dark)}.book-button.light{color:var(--brand-dark);box-shadow:none;background:#fff}.ghost-button{border:2px solid var(--brand);color:var(--brand-dark);white-space:nowrap;border-radius:999px;padding:12px 22px;font-weight:700;text-decoration:none;display:inline-block}.more{text-align:right;margin:24px 0 0}.more a{font-weight:700;text-decoration:none}.hero{background:#111;position:relative}.hero-img{object-fit:cover;width:100%;height:30vh;min-height:200px;max-height:520px}.hero-body{background:#fff;padding-top:22px;padding-bottom:28px}.hero h1{font-size:clamp(26px,6.4vw,44px);font-weight:900}.hero-lead{color:var(--ink-2);font-size:16px}.hero-note{color:var(--brand-dark);margin:12px 0 0;font-size:13px;font-weight:700}@media (min-width:860px){.hero{background:#fff;grid-template-columns:1.1fr 1fr;align-items:stretch;display:grid}.hero-img{order:2;height:100%;min-height:520px;max-height:none}.hero-body{align-self:center;padding:56px 40px 56px max(20px,50vw - 520px)}}.section{padding:44px 0}.section.tint{background:var(--tint)}.section-head{margin-bottom:24px}.section-head h2{font-size:clamp(24px,5vw,32px);font-weight:900}.page-head{background:var(--tint);border-bottom:1px solid var(--line);padding:40px 0 32px}.page-head h1{font-size:clamp(26px,6vw,36px);font-weight:900}.points-section{padding:8px 0 32px}.points{grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.points>div{background:var(--brand-soft);text-align:center;border-radius:12px;padding:14px 6px}.points p{color:var(--ink-2);margin:6px 0 0;font-size:13px;font-weight:700;line-height:1.5}.point-num{color:var(--brand-dark);font-size:28px;font-weight:900;line-height:1}.point-num small{margin-left:2px;font-size:12px}@media (min-width:760px){.points p{font-size:15px}.point-num{font-size:36px}}.price-table{border-collapse:collapse;border-radius:var(--radius);background:#fff;width:100%;font-size:15px;overflow:hidden}.price-table th,.price-table td{border-bottom:1px solid var(--line);text-align:center;padding:12px 10px}.price-table thead th{background:var(--brand);color:#fff;font-size:14px}.price-table tbody th{text-align:left;color:var(--ink-2);white-space:nowrap;font-size:13px;font-weight:700}.price-table strong{font-size:20px;font-weight:900}.price-cards{gap:16px;display:grid}.price-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:22px}.price-card h3{background:var(--brand-soft);color:var(--brand-dark);border-radius:8px;padding:2px 12px;font-size:20px;display:inline-block}.price-card dl{margin:8px 0 16px}.price-card dl>div{border-bottom:1px dashed var(--line);flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 0;display:flex}.price-card dt{color:var(--ink-2);font-size:14px}.price-card dd{margin:0;font-size:14px}.price-card dd strong{color:var(--ink);font-size:26px;font-weight:900}.plan-title{margin:0 0 6px;font-size:14px;font-weight:800}.plans{margin:0;padding:0;font-size:14px;list-style:none}.plans li{justify-content:space-between;padding:4px 0;display:flex}@media (min-width:760px){.price-cards{grid-template-columns:1fr 1fr}}.gallery{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:24px;display:grid}.gallery img{aspect-ratio:4/3;object-fit:cover;border-radius:12px;width:100%}.gallery img:first-child{aspect-ratio:16/9;grid-column:1/-1}@media (min-width:760px){.gallery{grid-template-columns:2fr 1fr 1fr}.gallery img:first-child{aspect-ratio:4/3;grid-column:auto}}.spec{border-top:1px solid var(--line);gap:0;margin:0;padding:0;list-style:none;display:grid}.spec li{border-bottom:1px solid var(--line);grid-template-columns:7.5em 1fr;gap:12px;padding:12px 4px;font-size:15px;display:grid}.spec span{color:var(--muted);font-size:14px;font-weight:700}@media (min-width:760px){.spec{grid-template-columns:1fr 1fr;column-gap:32px}}.steps{counter-reset:step;gap:14px;margin:0;padding:0;list-style:none;display:grid}.steps li{border:1px solid var(--line);border-radius:var(--radius);counter-increment:step;background:#fff;padding:16px 16px 16px 64px;position:relative}.steps li:before{content:counter(step);background:var(--brand);color:#fff;border-radius:50%;place-items:center;width:36px;height:36px;font-weight:900;display:grid;position:absolute;top:16px;left:16px}.steps strong{font-size:17px}.steps p{color:var(--ink-2);margin:4px 0 0;font-size:15px}@media (min-width:860px){.steps{grid-template-columns:repeat(3,1fr)}}.access{gap:24px;display:grid}.address{font-size:17px;font-weight:800}.map{border-radius:var(--radius);border:0;width:100%;height:240px}@media (min-width:860px){.access{grid-template-columns:1fr 1.2fr;align-items:center}}.faq details{border:1px solid var(--line);background:#fff;border-radius:12px;margin-bottom:10px}.faq summary{cursor:pointer;padding:16px 48px 16px 18px;font-weight:700;list-style:none;position:relative}.faq summary::-webkit-details-marker{display:none}.faq summary:before{content:"Q";color:var(--brand);margin-right:10px;font-weight:900}.faq summary:after{content:"+";color:var(--brand-dark);font-size:22px;position:absolute;top:12px;right:18px}.faq details[open] summary:after{content:"−"}.faq .answer{color:var(--ink-2);padding:0 18px 4px;font-size:15px}.teacher-banner{border:2px solid var(--brand-soft);border-radius:var(--radius);align-items:center;gap:16px;padding:28px 24px;display:grid}.teacher-banner h2{font-size:22px}.teacher-banner p{color:var(--ink-2);margin:0}@media (min-width:860px){.teacher-banner{grid-template-columns:1fr auto;padding:32px 40px}}.final-cta{background:var(--brand);color:#fff;text-align:center;padding:52px 0}.final-cta h2{font-size:clamp(22px,5vw,30px);font-weight:900}.final-cta .book-button{color:var(--brand-dark);box-shadow:none;background:#fff}.final-cta .small{color:#e6f6fd;margin:14px 0 0}.footer{color:#cfd6dc;background:#1d2329;padding:40px 0 24px;font-size:14px}.footer a,.footer-logo{color:#fff}.footer-logo small{color:#8fd3f2}.footer-grid{gap:24px;display:grid}.footer-links{grid-template-columns:1fr 1fr;gap:8px 16px;margin:0;padding:0;list-style:none;display:grid}.footer-links a{text-decoration:none}.copy{text-align:center;color:#7d8790;margin:32px 0 0;font-size:12px}@media (min-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}.sticky-cta{z-index:30;padding:10px 16px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#fffffff5;position:fixed;bottom:0;left:0;right:0}.sticky-cta a{text-align:center;background:var(--brand);color:#fff;border-radius:999px;padding:13px;font-size:16px;font-weight:800;text-decoration:none;display:block}@media (min-width:860px){.sticky-cta{display:none}body{padding-bottom:0}}.content{padding:40px 0 56px}.content h2{border-left:5px solid var(--brand);margin:40px 0 14px;padding-left:12px;font-size:22px;font-weight:900}.content h2:first-child{margin-top:0}.content h3{margin:24px 0 8px;font-size:17px}.content ul,.content ol{padding-left:1.4em}.content li{margin:4px 0}.content table{border-collapse:collapse;width:100%;margin:8px 0 16px;font-size:15px}.content th,.content td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:10px 12px}.content th{background:var(--tint);width:34%;font-weight:700}.note{background:var(--brand-soft);border-radius:12px;padding:14px 16px;font-size:15px}.route{counter-reset:route;gap:20px;padding:0;list-style:none;display:grid}.route li{counter-increment:route}.route img{aspect-ratio:4/3;object-fit:cover;border-radius:12px;width:100%;margin-bottom:8px}.route strong:before{content:counter(route)". ";color:var(--brand)}@media (min-width:760px){.route{grid-template-columns:1fr 1fr}}.photo-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.photo-grid figure{margin:0}.photo-grid img{aspect-ratio:4/3;object-fit:cover;border-radius:12px;width:100%}.photo-grid figcaption{margin-top:4px;font-size:14px;font-weight:700}@media (min-width:760px){.photo-grid{grid-template-columns:repeat(3,1fr)}}.center{text-align:center;margin:32px 0 0}.two-photos{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px;display:grid}.two-photos figure{margin:0}.two-photos img{aspect-ratio:4/3;object-fit:contain;border:1px solid var(--line);background:#fff;border-radius:12px;width:100%}.two-photos figcaption{margin-top:4px;font-size:13px;font-weight:700}