:root{--navy:#102d57;--blue:#1da6d4;--sky:#dff5fb;--coral:#ed5b5b;--yellow:#fff36a;--ink:#15304a;--paper:#fffdf7;--radius:24px;--shadow:0 18px 50px rgba(16,45,87,.13)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.8}img{display:block;max-width:100%}a{color:inherit}.site-header{position:sticky;z-index:10;top:0;display:flex;align-items:center;gap:28px;padding:12px max(24px,calc((100vw - 1180px)/2));background:rgba(255,253,247,.94);border-bottom:1px solid rgba(16,45,87,.1);backdrop-filter:blur(12px)}.brand{margin-right:auto;font-weight:900;text-decoration:none}.site-header nav{display:flex;gap:22px}.site-header nav a{text-decoration:none;font-size:.88rem;font-weight:700}.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:11px 28px;border-radius:999px;background:var(--coral);color:#fff;font-weight:900;text-decoration:none;box-shadow:0 8px 0 #be3d43;transition:.2s}.button:hover{transform:translateY(2px);box-shadow:0 6px 0 #be3d43}.button-small{min-height:40px;padding:6px 20px;font-size:.9rem}.hero{position:relative;overflow:hidden;background:#c8e5f6}.hero>img{width:100vw;max-width:none;height:auto;object-fit:contain}.hero-copy{position:relative;max-width:850px;margin:-44px auto 0;padding:42px 56px 52px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);text-align:center}.eyebrow,.number{margin:0 0 5px;color:var(--coral);font-size:.78rem;font-weight:900;letter-spacing:.16em}.hero-copy h1{margin:0;color:var(--navy);font-size:clamp(2.35rem,6vw,4.9rem);line-height:1.05}.hero-copy p:not(.eyebrow){max-width:650px;margin:20px auto 28px}.section{max-width:1180px;margin:0 auto;padding:110px 32px}.section-heading{text-align:center;margin-bottom:46px}.section-heading span{color:var(--coral);font-size:.75rem;font-weight:900;letter-spacing:.22em}.section-heading h2{margin:4px 0;color:var(--navy);font-size:clamp(1.85rem,4vw,3.2rem);line-height:1.25}.lead{max-width:850px;margin:auto;font-size:1.15rem;font-weight:600}.dates,.guide{max-width:none;background:var(--navy);color:#fff}.dates>* ,.guide>*{max-width:1116px;margin-left:auto;margin-right:auto}.section-heading.light h2{color:#fff}.date-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}.date-card{padding:32px;border-radius:var(--radius);background:#fff;color:var(--ink);box-shadow:var(--shadow)}.course{margin:0;font-weight:900;color:var(--coral)}.date{display:flex;align-items:center;gap:12px;margin:0;line-height:1}.date strong{font-size:clamp(3.6rem,8vw,6rem);letter-spacing:-.06em;color:var(--navy)}.date span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--coral);color:#fff;font-weight:900}.date-card hr{border:0;border-top:2px dashed #b5d4df}.feature{display:grid;grid-template-columns:1.15fr 1fr;gap:48px;align-items:center;margin:50px 0 90px}.feature.reverse{grid-template-columns:1fr 1.15fr}.feature>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}.feature h3,.choice-intro h3{margin:.15em 0;font-size:clamp(1.6rem,3.5vw,2.5rem);line-height:1.3;color:var(--navy)}.note{padding:12px 18px;background:var(--sky);border-radius:12px;font-size:.85rem}.bingo-visual{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:42px;background:var(--sky);border-radius:var(--radius)}.bingo-visual span{display:grid;place-items:center;aspect-ratio:1;border-radius:14px;background:#fff;font-size:clamp(1.7rem,4vw,3rem);font-weight:900;color:var(--blue);box-shadow:0 6px 0 rgba(29,166,212,.2)}.bingo-visual span:nth-child(2n){color:var(--coral)}.choice-intro{text-align:center;margin-bottom:34px}.choice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}.choice-card{overflow:hidden;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.choice-card img{width:100%;aspect-ratio:4/3;object-fit:cover}.choice-card>div{padding:28px}.choice-label{display:flex;align-items:center;justify-content:space-between;margin:0;color:var(--coral);font-size:2.4rem;font-weight:900;line-height:1}.choice-label span{padding:8px 12px;border-radius:999px;background:var(--yellow);color:var(--ink);font-size:.78rem}.choice-card h4{margin:14px 0;font-size:1.35rem;line-height:1.45;color:var(--navy)}.schedule{max-width:none;background:var(--sky)}.schedule>*{max-width:1116px;margin-left:auto;margin-right:auto}.schedule-note{text-align:center;margin-top:-30px;margin-bottom:38px;font-size:.85rem}.schedule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.timeline{overflow:hidden;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}.timeline h3{margin:0;padding:20px 24px;background:var(--navy);color:#fff;font-size:1.12rem}.timeline ol{list-style:none;padding:18px 24px;margin:0}.timeline li{display:grid;grid-template-columns:64px 1fr;gap:10px;padding:12px 0;border-bottom:1px dashed #bad3dc}.timeline li:last-child{border:0}.timeline time{color:var(--coral);font-weight:900}.timeline span{font-weight:650}.schedule details{margin-top:28px;border-radius:16px;background:#fff}.schedule summary{padding:18px 22px;font-weight:900;cursor:pointer}.schedule details div{padding:0 22px 12px}.info-list{border-top:1px solid rgba(255,255,255,.25)}.info-list>div{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid rgba(255,255,255,.25)}.info-list dt{color:#86e0f5;font-weight:900}.info-list dd{margin:0}.info-list dd strong{color:var(--yellow);font-size:1.5rem}.info-list small{display:block;opacity:.8}.cautions ul{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 32px;max-width:960px;margin:auto;padding-left:24px}.entry{max-width:none;background:var(--coral);color:#fff;text-align:center}.entry h2{margin:0;font-size:clamp(2rem,5vw,4rem);line-height:1.25}.entry .eyebrow{color:var(--yellow)}.button-white{margin:25px 0;background:#fff;color:var(--navy);box-shadow:0 8px 0 #bd3e44}.phone a{font-size:1.35rem;font-weight:900}.entry small{display:block}footer{display:grid;grid-template-columns:1fr auto;gap:24px;max-width:1180px;margin:auto;padding:48px 32px;color:var(--navy)}footer p{margin:0}footer>div:nth-child(2){display:flex;flex-direction:column;font-weight:800}.copyright{grid-column:1/-1;padding-top:20px;border-top:1px solid #d7e2e7;font-size:.75rem}
@media(max-width:800px){.site-header nav{display:none}.brand{font-size:.83rem}.site-header{gap:10px}.button-small{padding:6px 14px}.hero>img{width:100vw;height:auto;object-fit:contain}.hero-copy{margin:-16px 16px 0;padding:34px 22px}.section{padding:76px 20px}.date-grid,.choice-grid,.schedule-grid{grid-template-columns:1fr}.feature,.feature.reverse{grid-template-columns:1fr;gap:24px;margin:40px 0 72px}.feature.reverse>img{order:0}.feature.reverse>div:last-child{order:1}.choice-card>div{padding:22px}.info-list>div{grid-template-columns:1fr;gap:4px}.info-list dt{font-size:.8rem}.cautions ul{grid-template-columns:1fr}.timeline h3{font-size:1rem}footer{grid-template-columns:1fr}.copyright{grid-column:auto}.date strong{font-size:4.3rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}
.hero-copy>.eyebrow,.programs .number,.entry>.eyebrow{font-size:1rem}.date-card .date-meta,.date-card .destination{font-size:1.25rem}.info-list dd,.info-list dd small{font-weight:600}.entry>p:nth-of-type(2){font-weight:700}
.section-heading>span{font-size:1.25rem}.contact-links{display:flex;flex-direction:column;align-items:flex-start;margin-top:2px;font-weight:800}.contact-links a{line-height:1.6}
.hero-copy h1{font-size:2.5rem}.date em{font-size:1.875rem;font-style:normal;font-weight:900;color:var(--navy);letter-spacing:-.03em}.date strong{font-size:3.75rem}