.bck{padding-bottom:72px}.bck-head{max-width:640px;margin:48px auto 36px;text-align:center}.bck-eyebrow{font-size:13px;font-weight:700;color:var(--blue-strong);margin-bottom:12px}.bck-head h1{font-size:clamp(26px,3.2vw,38px);font-weight:700;line-height:1.3;letter-spacing:-.03em;color:var(--text);word-break:keep-all;overflow-wrap:anywhere;text-wrap:balance}.bck-lead{margin-top:14px;font-size:16px;line-height:1.7;color:var(--text-sub);word-break:keep-all;overflow-wrap:break-word}.bck-done p>span,.bck-foot>span,.bck-lead>span{display:inline-block}.bck-done p>span:not(:last-child),.bck-foot>span:not(:last-child),.bck-lead>span:not(:last-child){margin-right:.3em}.bck-pick{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-width:820px;margin:0 auto;padding:0;list-style:none}.bck-chip{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line-strong);background:var(--surface);font-size:15px;font-weight:600;letter-spacing:-.02em;color:var(--text);white-space:nowrap;cursor:pointer;transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),color var(--dur) var(--ease)}.bck-chip svg{color:var(--text-sub);transition:color var(--dur) var(--ease)}.bck-chip:hover{border-color:var(--text-sub)}.bck-chip[aria-pressed=true]{border-color:var(--blue-strong);background:var(--blue-strong);color:#fff}.bck-chip[aria-pressed=true] svg{color:#fff}.bck-hint{margin:28px auto 0;text-align:center;font-size:15px;color:var(--text-sub);word-break:keep-all}.bck-card{max-width:640px;margin:28px auto 0;padding:32px;border:1px solid var(--line);border-radius:var(--r-xl);background:var(--surface)}.bck-card h2{font-size:18px;font-weight:700;letter-spacing:-.02em;color:var(--text);word-break:keep-all}.bck-card h2 em{font-style:normal;font-size:14px;font-weight:500;color:var(--text-sub)}.bck-big{display:flex;align-items:baseline;flex-wrap:wrap;column-gap:12px;row-gap:2px;margin-top:14px;font-size:34px;font-weight:700;letter-spacing:-.04em;line-height:1.15;color:var(--text)}.bck-big .num{font-size:inherit;font-weight:inherit;color:inherit}.bck-big>span{font-size:14px;font-weight:500;letter-spacing:-.01em;color:var(--text-sub);white-space:nowrap}.bck-tiers{margin-top:22px;display:flex;flex-direction:column;gap:10px}.bck-tiers>div{display:grid;grid-template-columns:76px minmax(0,1fr);align-items:center;grid-gap:12px;gap:12px}.bck-tiers dt{font-size:13px;color:var(--text-sub);white-space:nowrap}.bck-tiers dd{display:flex;align-items:center;gap:10px;margin:0;min-width:0}.bck-bar{display:block;height:8px;border-radius:999px;background:var(--blue-strong);min-width:2px;flex:0 1 auto}.bck-tiers dd .num{font-size:14px;font-weight:700;color:var(--text);flex:0 0 auto}.bck-foot{margin-top:18px;font-size:13px;line-height:1.65;color:var(--text-sub);word-break:keep-all;overflow-wrap:break-word;text-wrap:pretty}.bck-foot .num{font-weight:700;color:var(--text-sub)}.bck-kinds{margin:16px 0 0;padding:0;list-style:none;display:flex;flex-direction:column}.bck-kinds li{display:grid;grid-template-columns:minmax(0,auto) minmax(0,1fr) auto;align-items:baseline;grid-gap:10px;gap:10px;padding:11px 0;border-top:1px solid var(--line)}.bck-kinds li:first-child{border-top:0}.bck-kinds b{font-size:14px;font-weight:600;color:var(--text);white-space:nowrap}.bck-kinds em{font-style:normal;font-size:13px;color:var(--text-sub);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bck-kinds .num{font-size:14px;font-weight:700;color:var(--text);white-space:nowrap;justify-self:end}.bck-form{max-width:640px;margin:28px auto 0;padding:32px;border:1px solid var(--line);border-radius:var(--r-xl);background:var(--bg-2)}.bck-form h2{font-size:18px;font-weight:700;letter-spacing:-.02em;color:var(--text);word-break:keep-all}.bck-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px;margin-top:14px}.bck-row label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-sub);min-width:0}.bck-row input{height:48px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--line-strong);background:var(--surface);font-size:15px;color:var(--text);min-width:0}.bck-row input:focus-visible{border-color:var(--blue-strong);outline:none;box-shadow:0 0 0 3px var(--blue-bg)}.bck-agree{display:flex;align-items:center;gap:9px;margin-top:18px;font-size:14px;color:var(--text-sub)}.bck-agree input{width:18px;height:18px;flex:0 0 auto;accent-color:var(--blue-strong)}.bck-agree span,.bck-err{word-break:keep-all}.bck-err{margin-top:14px;font-size:14px;color:var(--danger,#D64545)}.bck-form .btn{margin-top:20px;width:100%}.bck-done{max-width:640px;margin:28px auto 0;padding:40px 32px;text-align:center;border:1px solid var(--line);border-radius:var(--r-xl);background:var(--bg-2)}.bck-done svg{color:var(--blue-strong)}.bck-done h2{margin-top:10px;font-size:20px;font-weight:700;letter-spacing:-.02em;color:var(--text)}.bck-done p{margin-top:10px;font-size:15px;line-height:1.7;color:var(--text-sub);word-break:keep-all;overflow-wrap:break-word}@media (max-width:640px){.bck-head{margin:32px auto 28px}.bck-card,.bck-done,.bck-form{padding:24px 20px}.bck-row{grid-template-columns:1fr}.bck-tiers>div{grid-template-columns:64px minmax(0,1fr);gap:10px}.bck-kinds li{grid-template-columns:minmax(0,1fr) auto}.bck-kinds em{grid-row:2;grid-column:1/-1}}