:root{--bg: #f2f7f4;--board: rgba(255, 255, 255, .86);--border: rgba(19, 38, 26, .12);--ink: #13261a;--muted: #617968;--soft: #7f9487;--brand: #0cb15b;--brand-dark: #0a8e49;--danger: #c92f53;--warning: #b97610;font-family:Noto Sans JP,Pretendard,sans-serif;color:var(--ink);background:linear-gradient(180deg,#f9fcfb,var(--bg))}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{min-height:100dvh}a{color:inherit;text-decoration:none}button{font:inherit}.page-shell{padding:28px 16px 56px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:18px;width:min(1120px,100%);margin:0 auto 18px;padding:12px 0}.site-nav{display:flex;align-items:center;gap:16px;color:var(--muted);font-size:.95rem;font-weight:700}.site-nav a:hover{color:var(--ink)}.site-main{padding-top:10px}.page-wrap{width:min(1080px,100%);margin:0 auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}.brand-block{display:flex;flex-direction:column;gap:4px}.brand-mark{font-family:Manrope,sans-serif;font-size:1.55rem;font-weight:800;letter-spacing:-.04em}.brand-note{color:var(--muted);font-size:.95rem}.action-row{display:flex;flex-wrap:wrap;gap:10px}.btn,.btn-ghost,.btn-soft{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 16px;border-radius:14px;border:1px solid transparent;cursor:pointer;transition:transform .16s ease,background-color .16s ease,border-color .16s ease}.btn{background:linear-gradient(135deg,var(--brand),#21c772);color:#fff;box-shadow:0 14px 28px #0cb15b38}.btn:hover,.btn-ghost:hover,.btn-soft:hover{transform:translateY(-1px)}.btn-ghost{border-color:var(--border);background:#ffffffbf;color:var(--ink)}.btn-soft{background:#0cb15b1f;color:var(--brand-dark)}.hero-card,.metric-card,.panel{border:1px solid var(--border);background:var(--board);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 24px 44px #12261a14}.hero-card{border-radius:28px;padding:28px;margin-bottom:18px}.hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#0cb15b1f;color:var(--brand-dark);font-size:.8rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.hero-title{margin:16px 0 8px;font-family:Manrope,sans-serif;font-size:clamp(2rem,5vw,3rem);font-weight:800;letter-spacing:-.04em;line-height:1.06}.hero-copy{max-width:58ch;color:var(--muted);line-height:1.7}.status-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.pill{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:0 12px;border-radius:999px;background:#13261a0f;color:var(--ink);font-size:.86rem;font-weight:700}.pill-success{background:#0cb15b1f;color:var(--brand-dark)}.pill-warning{background:#ebb03224;color:var(--warning)}.metric-grid{display:grid;gap:14px;grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:18px}.metric-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.metric-card{border-radius:22px;padding:18px}.metric-label{color:var(--soft);font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.metric-value{margin-top:10px;font-family:Manrope,sans-serif;font-size:2rem;font-weight:800;letter-spacing:-.04em}.metric-value.small{font-size:1.35rem;letter-spacing:0}.panel-grid{display:grid;gap:18px;grid-template-columns:minmax(0,1.2fr) minmax(320px,.8fr)}.panel{border-radius:24px;padding:22px}.panel-title{margin:0;font-family:Manrope,sans-serif;font-size:1.25rem;font-weight:800;letter-spacing:-.03em}.panel-subtitle{margin:10px 0 0;color:var(--muted);line-height:1.7}.stack{display:flex;flex-direction:column;gap:12px}.status-line,.helper-list{color:var(--muted);line-height:1.7}.hero-split{display:grid;align-items:center;gap:30px;grid-template-columns:minmax(0,1fr) minmax(280px,380px);border:1px solid var(--border);background:#fff;border-radius:24px;padding:32px;box-shadow:0 24px 44px #12261a14}.phone-preview{display:flex;justify-content:center}.phone-preview img{width:min(280px,100%);border:8px solid #ffffff;border-radius:32px;box-shadow:0 18px 34px #13261a2e}.section-band{padding:36px 0 0}.section-heading{max-width:720px;margin:0 auto 20px;text-align:center}.section-heading.align-left{margin-left:0;text-align:left}.section-heading h1,.section-heading h2{margin:0;font-family:Manrope,sans-serif;font-size:clamp(2rem,5vw,3rem);letter-spacing:-.04em}.section-heading p{color:var(--muted);line-height:1.7}.course-grid{display:grid;gap:16px;grid-template-columns:repeat(3,minmax(0,1fr))}.course-card{overflow:hidden;border:1px solid var(--border);border-radius:18px;background:#fff;box-shadow:0 18px 32px #12261a0f}.course-thumb{min-height:150px;background-image:url(/images/course-hangul.jpg);background-position:center;background-size:cover}.course-thumb[data-topic=travel]{background-image:url(/images/course-travel.jpg)}.course-thumb[data-topic=business]{background-image:url(/images/course-business.jpg)}.course-thumb[data-topic=daily],.course-thumb[data-topic=grammar]{background-image:url(/images/course-basic.jpg)}.course-body{display:flex;min-height:245px;flex-direction:column;gap:12px;padding:18px}.course-body h3{margin:0;font-size:1.15rem}.course-body p{margin:0;color:var(--muted);line-height:1.6}.course-footer,.course-row-head,.refund-box,.schedule-form,.admin-secret,.table-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.course-footer{margin-top:auto}.compact{margin-top:0}.detail-layout{display:grid;gap:18px;grid-template-columns:minmax(0,1fr) minmax(300px,380px)}.detail-panel{display:flex;flex-direction:column;gap:18px}.checkout-panel{position:sticky;top:18px;align-self:start}.lesson-list,.course-list,.table-list{display:flex;flex-direction:column;gap:12px}.lesson-row{display:grid;align-items:center;gap:10px;grid-template-columns:72px minmax(0,1fr) 54px;padding:12px 0;border-bottom:1px solid var(--border)}.lesson-row span,.lesson-row em{color:var(--muted);font-style:normal;font-size:.9rem}.field-label{display:flex;flex-direction:column;gap:8px;margin-top:16px;color:var(--muted);font-weight:700}input,select{min-height:44px;border:1px solid var(--border);border-radius:12px;background:#fff;color:var(--ink);font:inherit;padding:0 12px}.check-row{display:flex;align-items:flex-start;gap:10px;margin:16px 0;color:var(--muted);line-height:1.5}.check-row input{min-height:auto;margin-top:4px}button:disabled{cursor:not-allowed;opacity:.55;transform:none}.progress-track{overflow:hidden;height:10px;margin:18px 0;border-radius:999px;background:#13261a14}.progress-track span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--brand),#2781d5)}.schedule-form{justify-content:flex-start;flex-wrap:wrap;margin-top:16px}.refund-box{flex-wrap:wrap;margin-top:16px;padding:14px;border-radius:14px;background:#2781d514;color:#214c73}.admin-secret{justify-content:flex-start;margin-bottom:18px}.admin-secret input{width:min(420px,100%)}.table-row{flex-wrap:wrap;padding:12px 0;border-bottom:1px solid var(--border)}.course-list{display:flex;flex-direction:column;gap:12px;margin-top:16px}.course-row{display:grid;gap:12px;grid-template-columns:minmax(0,1fr) auto;padding:16px;border-radius:18px;border:1px solid var(--border);background:#ffffffd1}.course-title{font-size:1rem;font-weight:800}.course-meta{color:var(--muted);font-size:.92rem;line-height:1.7}.empty-state{padding:18px;border-radius:18px;border:1px dashed var(--border);color:var(--muted)}.notice{padding:14px 16px;border-radius:16px;border:1px solid rgba(201,47,83,.18);background:#c92f5314;color:#8b2134}.code-card{display:flex;flex-direction:column;gap:14px;margin-top:18px;padding:18px;border-radius:22px;border:1px dashed rgba(12,177,91,.4);background:linear-gradient(135deg,#0cb15b17,#ffffffeb)}.code-value{display:inline-flex;align-items:center;justify-content:center;min-height:68px;padding:10px 18px;border-radius:18px;background:#102219;color:#f7fff9;font-family:JetBrains Mono,SFMono-Regular,monospace;font-size:clamp(1.4rem,7vw,2rem);font-weight:800;letter-spacing:.14em}@media(max-width:960px){.hero-split,.detail-layout{grid-template-columns:1fr}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.checkout-panel{position:static}.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.panel-grid{grid-template-columns:1fr}}@media(max-width:640px){.page-shell{padding:18px 12px 36px}.topbar,.site-header,.site-nav{align-items:flex-start;flex-direction:column}.site-header .action-row{width:100%}.hero-split{padding:22px}.course-grid,.metric-grid.three{grid-template-columns:1fr}.course-row-head,.refund-box,.table-row{align-items:flex-start;flex-direction:column}.metric-grid,.course-row{grid-template-columns:1fr}}
