:root{--brand: #e60012;--brand-soft: #fdeaec;--brand-press: #b8000e;--ink: #111111;--ink-2: #6b6b6b;--ink-3: #9a9a9a;--line: #e5e5e5;--bg: #ffffff;--surface: #f7f7f7;--ok: #1f9d57;--radius: 8px;--maxw: 430px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}body{font-family:-apple-system,Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,sans-serif;color:var(--ink);background:#ededed}#root{display:flex;justify-content:center;min-height:100vh}.app{width:100%;max-width:var(--maxw);min-height:100vh;background:var(--bg);position:relative;overflow-x:hidden}.screen{padding:20px 18px 96px}.screen.center{min-height:100vh;display:flex;flex-direction:column}h1{font-size:20px;font-weight:700;margin:0}h2{font-size:17px;font-weight:700;margin:0 0 12px}p{line-height:1.7}.eyebrow{color:var(--brand);letter-spacing:.28em;font-size:11px;font-weight:700;text-align:center;font-family:Arial,Helvetica Neue,sans-serif;text-transform:uppercase}.muted{color:var(--ink-2);font-size:13px}.hint{color:var(--ink-3);font-size:12px;text-align:center}.rule:after{content:"";display:block;width:28px;height:3px;background:var(--brand);margin-top:8px}.rule.c:after{margin-left:auto;margin-right:auto}.card{background:var(--surface);border-radius:12px;border:1px solid var(--line);padding:16px}.btn{width:100%;border:none;border-radius:var(--radius);background:var(--brand);color:#fff;font-size:16px;font-weight:700;padding:16px;cursor:pointer}.btn:active{background:var(--brand-press)}.btn:disabled{background:#d6d6d6;color:#fff;cursor:default}.btn.ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand)}.btn.line{background:#06c755;color:#fff}.btn.sm{width:auto;padding:10px 18px;font-size:14px}.field{width:100%;padding:16px;font-size:16px;border:1.5px solid var(--line);border-radius:var(--radius);outline:none;background:#fff}.field:focus{border-color:var(--brand)}.row{display:flex;gap:10px;align-items:center}.spread{display:flex;justify-content:space-between;align-items:center}.option{display:flex;align-items:center;gap:12px;padding:16px;border-radius:var(--radius);background:#fff;border:1.5px solid var(--line);margin-bottom:10px;cursor:pointer;font-size:15px}.option.on{border-color:var(--brand);background:var(--brand-soft)}.badge{font-size:11px;font-weight:700;padding:3px 8px;border-radius:4px;background:var(--brand-soft);color:var(--brand-press)}.badge.ok{background:#e3f6ec;color:#1f8a52}.badge.gray{background:#ededed;color:#6b6b6b}.dots{display:flex;gap:8px;justify-content:center}.dots i{width:8px;height:8px;border-radius:999px;background:#dcdcdc;display:block}.dots i.on{background:var(--brand);width:22px}.steps{display:flex;gap:6px}.steps i{flex:1;height:6px;border-radius:999px;background:#e2e2e2;display:block}.steps i.on{background:var(--brand)}.appbar{position:sticky;top:0;z-index:5;background:#fff;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line)}.logo{color:var(--brand);font-weight:700;font-size:20px;letter-spacing:-.01em}.bottomnav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:var(--maxw);display:flex;background:#fff;border-top:1px solid var(--line)}.bottomnav a{flex:1;text-align:center;padding:10px 0 14px;text-decoration:none;color:var(--ink-3);font-size:11px;display:flex;flex-direction:column;gap:3px;align-items:center}.bottomnav a.on{color:var(--brand)}.bottomnav .ic{font-size:20px;line-height:1}.sticky-cta{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:var(--maxw);padding:12px 18px 22px;background:linear-gradient(#fff0,#fff 22%)}.reward-line{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--line)}.reward-line .amt{margin-left:auto;font-weight:700}.kv{display:flex;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px}.kv .k{width:120px;color:var(--ink-2);font-weight:700;flex-shrink:0}.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.appbar-title{font-size:16px;font-weight:700;margin:0}.sidebar{display:none}.rules-tabs{position:sticky;top:0;z-index:4;display:flex;gap:4px;overflow-x:auto;background:#fff;border-bottom:1px solid var(--line);padding:0 10px}.rules-tabs button{flex:0 0 auto;white-space:nowrap;background:none;border:none;padding:14px 10px;font-size:13px;font-weight:700;color:var(--ink-3);border-bottom:2px solid transparent;cursor:pointer}.rules-tabs button.on{color:var(--brand);border-bottom-color:var(--brand)}.detail .screen{padding:0 0 96px}.detail .hero{height:230px;display:flex;align-items:flex-end;padding:14px}.detail .detail-body{padding:16px 18px 0}@media (min-width: 960px){body{background:#ececec}.app.shell{max-width:1180px;display:grid;grid-template-columns:248px 1fr;background:#fff;min-height:100vh;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line)}.app.shell .sidebar{display:flex;flex-direction:column;border-right:1px solid var(--line);padding:22px 14px;position:sticky;top:0;height:100vh}.sidebar .logo-side{font-size:24px;padding:4px 12px 24px}.sidenav{display:flex;flex-direction:column;gap:4px}.sidenav a{display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--radius);text-decoration:none;color:var(--ink-2);font-size:14px;font-weight:700}.sidenav a:hover{background:var(--surface)}.sidenav a.on{background:var(--brand-soft);color:var(--brand-press)}.sidenav .ic{font-size:18px;line-height:1}.sidebar-foot{margin-top:auto;padding:12px}.app.shell .bottomnav{display:none}.app.shell .appbar{position:static;padding:20px 32px;border-bottom:1px solid var(--line);justify-content:flex-start;gap:16px}.app.shell .appbar .logo,.app.shell .appbar-right{display:none}.app.shell .appbar-title{font-size:20px}.app.shell .screen{padding:26px 32px 56px;max-width:920px}.app.shell .card-grid{grid-template-columns:repeat(3,1fr);gap:18px}#root{align-items:flex-start}.app.flow{max-width:460px;min-height:auto;margin:auto;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 40px #0000001a;overflow:hidden}.app.flow .screen.center{min-height:600px}.app.flow .appbar{background:#fff}.app.rules{max-width:680px;min-height:auto;margin:32px auto;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 40px #0000001a;overflow:hidden}.app.detail{max-width:1040px}.app.detail .screen{padding:0}.app.detail .detail-grid{display:grid;grid-template-columns:440px 1fr;gap:36px;align-items:start;padding:28px 32px 56px}.app.detail .detail-media{position:sticky;top:24px}.app.detail .hero{height:340px;border-radius:12px}.app.detail .detail-body{padding:0}.app.detail .sticky-cta{position:static;transform:none;width:100%;max-width:none;padding:16px 0 0;background:none}}