:root{--blue: #0073aa;--blue-dark: #004d73;--blue-tint: #e8f3f9;--ink: #1f2a30;--muted: #5b6b73;--line: #d6e1e8;--bg: #f4f8fb;--white: #fff;--disabled: #9aa7ae;--gold: #c8860d;--gold-tint: #fff7e6;--dark: #1c2227}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}.wrap{max-width:760px;margin:0 auto;padding:24px 16px 64px}.site-head{background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:var(--white);padding:28px 16px}.site-head .inner{max-width:760px;margin:0 auto}.site-head h1{margin:0 0 4px;font-size:22px}.site-head p{margin:0;opacity:.9;font-size:14px}.steps{display:flex;gap:8px;margin:20px 0 8px;font-size:13px;color:var(--muted)}.steps span{flex:1;text-align:center;padding:6px 4px;border-radius:6px;background:var(--white);border:1px solid var(--line)}.steps span.active{background:var(--blue);color:var(--white);border-color:var(--blue);font-weight:700}.fs{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:18px;margin:16px 0}.st{margin:0 0 12px;font-size:16px;color:var(--blue-dark);border-left:4px solid var(--blue);padding-left:10px}.tags{display:flex;flex-wrap:wrap;gap:8px}.tags.vertical{flex-direction:column}.tag{display:inline-flex;align-items:center;gap:6px;border:1.5px solid var(--line);border-radius:8px;padding:10px 14px;cursor:pointer;background:var(--white);transition:all .12s;font-size:14px}.tag:hover{border-color:var(--blue)}.tag.on{border-color:var(--blue);background:var(--blue-tint);color:var(--blue-dark);font-weight:700}.tag input{accent-color:var(--blue)}.recommend-box{border:2px solid var(--gold);background:var(--gold-tint);border-radius:10px;padding:12px 14px;margin-bottom:14px}.recommend-head{color:var(--gold);font-weight:700;margin-bottom:8px}.opt-row{display:flex;align-items:flex-start;gap:8px;padding:8px 4px;cursor:pointer;border-bottom:1px dashed var(--line)}.opt-row:last-child{border-bottom:none}.opt-row input{margin-top:4px;accent-color:var(--blue)}.opt-row.recommend{border-bottom:none}.opt-row.disabled{color:var(--disabled);cursor:not-allowed}.incl-tag{display:inline-block;margin-left:8px;font-size:11px;font-style:normal;background:var(--line);color:var(--muted);border-radius:4px;padding:1px 6px}.acc{border:1px solid var(--line);border-radius:8px;margin:8px 0;overflow:hidden}.acc summary{cursor:pointer;padding:10px 14px;background:var(--blue-tint);color:var(--blue-dark);font-weight:700;font-size:14px;list-style:none}.acc summary::-webkit-details-marker{display:none}.acc summary:before{content:"▸ "}.acc[open] summary:before{content:"▾ "}.acc.on-premium summary{background:var(--gold-tint);color:var(--gold)}.acc-body{padding:6px 14px 12px}.summary-card{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:16px;margin:16px 0}.summary-card .lbl{font-size:12px;color:var(--muted)}.summary-card .val{font-size:15px;font-weight:600;margin:2px 0 12px}.summary-card>div:last-child .val{margin-bottom:0}.total-card{background:var(--blue-dark);color:var(--white);border-radius:10px;padding:18px;display:flex;justify-content:space-between;align-items:center}.total-card .lbl-w{font-size:14px;opacity:.9}.total-card .total{font-size:16px}.total-card .total span{font-size:30px;font-weight:800}.cards{display:grid;gap:14px;margin-top:20px}.card-link{display:block;text-decoration:none;color:inherit;background:var(--white);border:1px solid var(--line);border-radius:10px;padding:18px;transition:all .12s}.card-link:hover{border-color:var(--blue);box-shadow:0 2px 10px #0073aa1f}.card-link h2{margin:0 0 4px;color:var(--blue-dark);font-size:17px}.card-link p{margin:0;color:var(--muted);font-size:13px}.badge{display:inline-block;font-size:11px;background:var(--blue);color:var(--white);border-radius:4px;padding:2px 8px;margin-left:8px;vertical-align:middle}.badge.warn{background:var(--gold)}.btn-primary{appearance:none;border:none;cursor:pointer;background:var(--blue);color:var(--white);font-size:15px;font-weight:700;border-radius:8px;padding:12px 20px;transition:background .12s}.btn-primary:hover:not(:disabled){background:var(--blue-dark)}.btn-primary:disabled{background:var(--disabled);cursor:not-allowed}.btn-primary.lg{font-size:17px;padding:16px 28px}.btn-ghost{appearance:none;cursor:pointer;background:var(--white);border:1.5px solid var(--line);color:var(--blue-dark);font-size:14px;font-weight:600;border-radius:8px;padding:10px 18px;text-decoration:none;display:inline-block}.btn-ghost:hover{border-color:var(--blue)}.modal-overlay{position:fixed;inset:0;z-index:1000;background:#0f2a388c;display:flex;align-items:flex-start;justify-content:center;padding:24px 12px;overflow-y:auto;animation:fadeIn .15s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg);border-radius:14px;width:100%;max-width:720px;margin:auto;box-shadow:0 20px 60px #0000004d;display:flex;flex-direction:column;max-height:calc(100vh - 48px);overflow:hidden;animation:popIn .18s ease}@keyframes popIn{0%{transform:translateY(12px);opacity:0}to{transform:none;opacity:1}}.modal-head{display:flex;align-items:center;justify-content:space-between;background:linear-gradient(135deg,var(--blue),var(--blue-dark));color:var(--white);padding:16px 20px;flex-shrink:0}.modal-head h2{margin:0;font-size:17px}.modal-close{appearance:none;background:#ffffff2e;border:none;color:var(--white);width:32px;height:32px;border-radius:50%;font-size:20px;line-height:1;cursor:pointer}.modal-close:hover{background:#ffffff52}.modal-body{padding:8px 20px 16px;overflow-y:auto;flex:1}.modal-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;background:var(--white);border-top:1px solid var(--line);flex-shrink:0;flex-wrap:wrap}.modal-total{font-size:14px;color:var(--muted)}.modal-total span{font-size:24px;font-weight:800;color:var(--blue-dark);margin:0 2px}.btn-dark{appearance:none;border:none;cursor:pointer;display:block;width:100%;background:var(--dark);color:var(--white);font-size:16px;font-weight:700;border-radius:10px;padding:16px;text-align:center;text-decoration:none;transition:background .12s}.btn-dark:hover:not(:disabled){background:#000}.btn-dark:disabled{background:var(--disabled);cursor:not-allowed}.btn-dark.lg{font-size:17px}.order-card{background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:18px 0 4px}.order-head{background:var(--dark);color:var(--white);padding:14px 18px;font-weight:700;font-size:15px}.order-head:before{content:"● "}.order-sec{padding:16px 18px}.order-divider{border-top:1px solid var(--line)}.order-label{font-size:13px;color:var(--muted)}.order-course-row{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:6px}.order-course-name{font-size:20px;font-weight:800;color:var(--ink);line-height:1.3}.order-course-meta{font-size:13px;color:var(--muted);margin-top:4px}.price{font-size:22px;font-weight:800;color:var(--ink);white-space:nowrap}.order-empty{color:var(--muted);margin-top:6px;font-size:14px}.opt-badge{display:inline-block;background:var(--ink);color:var(--white);font-size:12px;font-weight:700;border-radius:12px;padding:1px 10px;margin-left:6px}.order-opt-list{list-style:none;margin:8px 0 0;padding:0}.order-opt-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:4px 0;border-bottom:1px dashed var(--line)}.order-opt-list li:last-child{border-bottom:none}.opt-price{color:var(--muted);white-space:nowrap}.order-total-row{display:flex;justify-content:space-between;align-items:baseline;padding:16px 18px}.order-total-row .lbl{font-size:14px;font-weight:700;color:var(--ink)}.order-total-row .amt{font-size:30px;font-weight:800;color:var(--ink)}.order-help{font-size:13px;color:var(--muted);margin:12px 0 0}.order-sub-actions{display:flex;gap:10px;margin-top:12px}.order-sub-actions a{flex:1;text-align:center}.order-note{font-size:12px;color:var(--muted);margin:14px 0 0}.hero{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:28px 22px;text-align:center;margin:16px 0}.hero p{color:var(--muted);margin:6px 0 20px}.hero .note{font-size:12px;margin-top:16px}