html{font-size:16px}:root{--navy: #071e4a;--navy-2: #0c326e;--blue: #1f6fe5;--blue-deep: #154eaa;--ink: #17325c;--muted: #5c7194;--line: #d7e2f2;--card: #ffffff;--danger: #b42318;--ok: #0f7a45;--shadow: 0 10px 30px rgb(4 18 48 / 18%);--basis: 1190;--fs-title: 2rem;--fs-heading: 1.5rem;--fs-subhead: 1.25rem;--fs-body: 1rem;--fs-small: .875rem;color-scheme:light;font-family:Pretendard Variable,Pretendard,sans-serif;line-height:1.5}*{box-sizing:border-box}body{margin:0;background:var(--navy);color:var(--ink)}img{max-width:100%;height:auto}a{color:inherit}.skip{position:absolute;left:1rem;top:0;transform:translateY(-120%);background:#fff;color:var(--ink);padding:.5rem .75rem;z-index:30}.skip:focus{transform:none}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.shell{--basis: 1190;container-type:inline-size;width:100%;min-height:100vh;background:radial-gradient(120% 40% at 50% 0%,rgb(60 130 220 / 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0;background:#fff;border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.nav-item:after{content:"";display:none;position:absolute;z-index:6;top:100%;left:50%;width:168px;height:16px;transform:translate(-50%)}.nav-item:hover:after,.nav-item:focus-within:after{display:block}.nav-item:hover .nav-sub,.nav-item:focus-within .nav-sub{display:flex;flex-direction:column}.nav-sub a{min-height:48px;padding:0 24px;color:var(--navy);font-size:1rem;justify-content:center}.nav-sub a:hover{background:#eef5ff;color:var(--blue)}.nav-rule{display:block;height:1px;margin:6px 16px;background:#e5eaf2}img.hero{display:block;width:100%;height:801px;object-fit:cover;object-position:center;background:#3aa0e8}@media(min-width:1920px){img.hero{height:41.71875vw}}@media(max-width:1190px){img.hero{height:auto;aspect-ratio:1190 / 801;object-fit:cover}}.page{--basis: 1190;box-sizing:border-box;width:min(1200px,calc(100% - 48px));margin-inline:auto;padding:24px 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16px;margin:0;color:#222;font-size:1rem;font-weight:700;line-height:1.4}.course-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}.course-card{position:relative;min-height:240px;border-radius:18px;overflow:hidden;background:linear-gradient(160deg,#2f86e0,#0c4f9e 55%,#08356d);color:#fff}.course-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.course-card-copy{position:relative;z-index:1;display:flex;flex-direction:column;justify-content:flex-end;min-height:240px;padding:24px;background:linear-gradient(transparent 28%,#04183ac7)}.course-card h3{margin:0 0 6px;font-size:1.75rem;font-weight:800;letter-spacing:-.03em;line-height:1.2}.course-card p{margin:0;font-size:1rem;font-weight:500;line-height:1.45}.reg-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px}.reg-head .lead{flex:1;margin:0 0 4px;max-width:28rem;text-align:left}.reg-facts{display:grid;grid-template-columns:1.4fr .8fr;gap:20px 36px;margin-top:28px}.reg-facts>div{display:flex;align-items:flex-start;gap:16px}.reg-label{flex:none;margin:0;padding:.4rem .9rem;border-radius:999px;background:var(--blue);color:#fff;font-size:1rem;font-weight:700;line-height:1.2}.goods-row{grid-template-columns:repeat(6,minmax(0,1fr))}.sponsors{--basis: 1190;box-sizing:border-box;width:100%;background:var(--navy);color:#fff;padding:48px max(0px,calc((100% - 1190px)/2)) 40px;container-type:inline-size;text-align:center}.sponsor-group{margin:0 auto calc(100cqw * 40 / var(--basis))}.sponsor-group:last-child{margin-bottom:0}.sponsor-group p{margin:0 0 calc(100cqw * 16 / var(--basis));font-size:var(--fs-small);font-weight:700;letter-spacing:-.01em}.sponsor-group ul{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:calc(100cqw * 20 / var(--basis)) calc(100cqw * 48 / var(--basis));margin:0;padding:0;list-style:none}.sponsor-group li{font-size:var(--fs-body);font-weight:700;letter-spacing:-.01em;line-height:1.2}.sponsor-group img{display:block;height:calc(100cqw * 40 / var(--basis));width:auto;filter:brightness(0) invert(1)}.site-footer{background:#010101;color:#fff;padding:50px 0;text-align:center;font-size:var(--fs-small);line-height:1.8}.footer-inner{width:min(1280px,100%);margin-inline:auto;padding:0 15px}.footer-nav,.footer-policy{display:flex;flex-wrap:wrap;justify-content:center;gap:0 15px}.footer-nav a,.footer-policy button,.site-footer p{color:#fff;font-size:var(--fs-small);text-decoration:none}.footer-policy button{padding:0;border:0;background:none;font:inherit;cursor:pointer}.policy-dialog{position:fixed;inset:0;width:min(640px,calc(100% - 32px));height:fit-content;max-height:min(80vh,720px);margin:auto;overflow:auto;padding:28px 28px 24px;border:0;border-radius:24px;background:#fff;color:var(--ink);text-align:left;font-size:var(--fs-body);line-height:1.7;box-shadow:var(--shadow)}.policy-dialog::backdrop{background:#071e4a8c}.policy-dialog .policy-title{margin:0 56px 16px 0;font-size:var(--fs-heading);letter-spacing:-.04em}.policy-body>:first-child{margin-top:0}.policy-body>:last-child{margin-bottom:0}.policy-body h1,.policy-body h2,.policy-body h3,.policy-body h4{margin:1.2em 0 .4em;font-size:1.125rem;line-height:1.4}.policy-body p,.policy-body li{margin:0 0 .75em;color:var(--ink);font-size:var(--fs-body);font-weight:500;line-height:1.7}.policy-body ul,.policy-body ol{margin:0 0 .75em;padding-left:1.25em}.policy-body a{color:var(--blue);font-weight:600}.policy-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}.policy-close{position:absolute;top:16px;right:16px;padding:0;border:0;background:none;color:var(--navy);font:inherit;font-weight:700;cursor:pointer}.footer-legal{margin:5px 0 10px}.site-footer p{margin:0}.footer-policy{margin-bottom:8px}.footer-policy strong{font-weight:700}form{display:flex;flex-direction:column;gap:1rem}fieldset{border:0;margin:0;padding:0;display:flex;flex-direction:column;gap:.85rem}legend{font-size:var(--fs-body);margin-bottom:.35rem;color:var(--navy)}.field{display:flex;flex-direction:column;gap:.3rem}.contact-note{margin:0 0 calc(100cqw * 36 / var(--basis));padding-bottom:calc(100cqw * 32 / var(--basis));border-bottom:1px solid var(--line);font-size:var(--fs-body);font-weight:500;line-height:1.7}.contact-note>p{margin:0 0 calc(100cqw * 22 / var(--basis))}.contact-note div{display:flex;flex-direction:column;gap:calc(100cqw * 8 / var(--basis))}.contact-note div p{margin:0}#inquiry-form{gap:calc(100cqw * 22 / var(--basis))}.agree-box{max-height:168px;overflow:auto;padding:14px 16px;border:1px solid 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.75rem;font-size:var(--fs-small);font-weight:500}label{font-weight:700;font-size:var(--fs-body)}.req{color:var(--danger);font-weight:700}input,select,textarea{font:inherit;font-size:var(--fs-body);min-height:3rem;padding:.65rem .75rem;border:1px solid #b7c8e2;border-radius:.75rem;background:#fff;accent-color:var(--blue)}textarea{display:block;width:100%;line-height:1.5;resize:vertical}.hint,.error-msg{font-size:var(--fs-small);color:var(--muted)}.error-msg{display:none;color:var(--danger)}input:user-invalid,select:user-invalid,textarea:user-invalid{border-color:var(--danger);background:#fff6f5}input:user-invalid+.error-msg,select:user-invalid+.error-msg,.choice:has(input:user-invalid) .error-msg{display:block}.choices{display:flex;flex-direction:column;gap:.45rem}.choice{display:flex;align-items:center;gap:.55rem;min-height:3rem;padding:.35rem .7rem;border:1px solid var(--line);border-radius:.75rem}.choice input{min-height:1.25rem;width:1.25rem}.sizes{display:flex;flex-wrap:wrap;gap:.4rem}.sizes .choice{flex:1 1 4.2rem;justify-content:center}.check{align-items:flex-start}.course-tabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));gap:8px}.course-tab{position:relative;display:flex;align-items:center;justify-content:center;min-height:4.75rem;padding:1.35rem 20px;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--navy);cursor:pointer}.course-tab input{position:absolute;width:1px;height:1px;margin:0;padding:0;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}.course-tab span{font-weight:700}.course-tab:has(input:checked){border-color:var(--navy);background:var(--navy);color:#fff}.course-tab:has(input:focus-visible){outline:2px solid var(--blue);outline-offset:3px}.counters{display:grid;grid-template-columns:1fr 1fr;gap:8px}.counters[hidden]{display:none!important}#count-single{grid-template-columns:1fr;width:calc(50% - 4px)}.counter{display:flex;align-items:center;justify-content:space-between;gap:6px;min-width:0;min-height:3.25rem;padding:4px 6px 4px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;box-sizing:border-box}.counter>span{font-weight:700;white-space:nowrap}.age-down{margin-left:1px}@media(max-width:991px){.counter{padding:4px 4px 4px 8px;gap:2px}.counter>span{font-size:.875rem}.counter button{width:1.5rem;height:1.5rem;font-size:1rem}.counter input[type=number]{width:1.75rem;min-height:1.5rem}#count-single{width:100%}}.counter button{width:2.25rem;height:2.25rem;border:0;border-radius:999px;background:var(--navy);color:#fff;font:inherit;font-size:1.25rem;line-height:1;cursor:pointer}.counter:has(#youth-count) button{background:#6d84a8}.counter input[type=number]{width:3rem;min-height:2.25rem;padding:0;border:0;text-align:center;font-weight:700;-moz-appearance:textfield;appearance:textfield}.counter input[type=number]::-webkit-outer-spin-button,.counter input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.roster-wrap{overflow-x:auto}.roster-table{width:100%;border-collapse:collapse}.roster-table th,.roster-table td{padding:8px 6px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;font-size:var(--fs-body);font-weight:500}.roster-table th{color:var(--navy);font-weight:700;font-size:var(--fs-small)}.roster-table th:first-child,.roster-table td:first-child{width:3rem}.roster-table th:nth-child(2),.roster-table td:nth-child(2){width:7.5rem}.roster-kind{display:flex;flex-wrap:wrap;gap:4px;align-items:center}.roster-table input{width:100%;min-height:2.75rem}.roster-table input[readonly]{background:#f3f6fb;color:var(--ink)}.roster-table tr.is-youth{background:#fff3e4}.roster-tag{display:inline-flex;align-items:center;min-height:1.5rem;padding:0 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