.fb-app{--card:#fff;--card-2:var(--color-brand-50,#e6f2fb);--ink:var(--color-ink,#1e2d3d);--muted:#5b6b7d;--line:#d5e2ee;--brand:var(--color-brand-600,#0b68b0);--brand-dark:var(--color-brand-800,#084d82);--brand-light:var(--color-brand-500,#1a85d6);--yellow:#ffc233;--yellow-ink:#a15c00;--teal:#19c3ad;--teal-ink:#0b7f71;--coral:#ff6b5b;--coral-ink:#d6392a;--f-display:var(--font-sans,system-ui,sans-serif);--f-body:var(--font-sans,system-ui,sans-serif);--f-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--ink);font-family:var(--f-body);box-sizing:border-box;flex-direction:column;gap:12px;width:100%;max-width:760px;height:min(100dvh,720px);margin:0 auto;padding:12px 14px;font-size:clamp(14px,3.8vw,17px);line-height:1.5;display:flex}.fb-top{justify-content:space-between;align-items:center;gap:12px;display:flex;position:relative}.fb-brand{letter-spacing:-.01em;font-size:1.1rem;font-weight:800}.fb-brand b{color:var(--brand)}.fb-count{font-family:var(--f-mono);color:var(--muted);font-variant-numeric:tabular-nums;border:1px solid var(--line);background:#fff;border-radius:99px;padding:2px 10px;font-size:.8rem}.fb-close{all:unset;cursor:pointer;width:36px;height:36px;color:var(--muted);border:1px solid var(--line);background:#fff;border-radius:50%;place-items:center;font-size:1.5rem;line-height:1;display:grid}.fb-close:hover{color:var(--ink);border-color:var(--brand-light)}.fb-close:focus-visible{outline:2px solid var(--brand-light);outline-offset:2px}.fb-bar{background:var(--line);border-radius:6px;flex:none;height:6px;overflow:hidden}.fb-bar i{background:linear-gradient(90deg,var(--brand-light),var(--teal),var(--yellow));width:0;height:100%;transition:width .4s;display:block}.fb-stage{perspective:1400px;touch-action:pan-y;-webkit-user-select:none;user-select:none;flex:1;grid-template-rows:minmax(0,1fr);grid-template-columns:minmax(0,1fr);min-height:0;display:grid}.fb-card{--blob:#1a85d629;--accent:var(--brand-light);background:radial-gradient(circle at 100% 0,var(--blob) 0,transparent 58%),var(--card);border:1px solid var(--line);overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--line) transparent;transform-origin:0;backface-visibility:hidden;border-radius:24px;flex-direction:column;grid-area:1/1;gap:14px;min-width:0;min-height:0;padding:22px 20px;transition:transform .55s cubic-bezier(.2,.7,.2,1),opacity .45s;display:flex;overflow-y:auto;box-shadow:0 14px 34px #0b68b024;container-type:inline-size}.fb-card:nth-child(3n+2){--blob:#19c3ad33;--accent:var(--teal)}.fb-card:nth-child(3n+3){--blob:#ffc23347;--accent:var(--yellow)}.fb-card>:first-child{margin-top:auto}.fb-card>:last-child{margin-bottom:auto}.fb-card.past{opacity:0;pointer-events:none;transform:rotateY(-105deg)}.fb-card.next{opacity:.5;pointer-events:none;z-index:-1;transform:translateY(12px)scale(.955)}.fb-card.later{opacity:0;pointer-events:none;z-index:-2;transform:translateY(20px)scale(.92)}.fb-card.now{z-index:1}.fb-card.fb-cover,.fb-card.fb-last{color:#fff;background:radial-gradient(circle at 92% 9%,#ffc233e6 0 54px,transparent 55px),radial-gradient(circle at 80% 22%,#ffffff1f 0 110px,transparent 111px),radial-gradient(circle at 6% 97%,#19c3adbf 0 84px,transparent 85px),linear-gradient(155deg,var(--brand-light) 0%,var(--brand) 55%,var(--brand-dark) 100%);border:0;justify-content:center}.fb-card.fb-cover .fb-lead,.fb-card.fb-last .fb-lead,.fb-card.fb-cover .fb-tip,.fb-card.fb-last .fb-nextup{color:#ffffffd9}.fb-card.fb-last .fb-nextup span{color:#fff}.fb-card.fb-cover b,.fb-card.fb-last b{color:var(--yellow)}.fb-app .fb-cover h1,.fb-app .fb-cover h2,.fb-app .fb-last h1,.fb-app .fb-last h2{color:#fff}.fb-tag{font-family:var(--f-mono);letter-spacing:.08em;text-transform:uppercase;background:var(--accent);color:var(--ink);border-radius:99px;align-self:flex-start;padding:5px 12px;font-size:.72rem;font-weight:700}.fb-y{background:var(--yellow);color:var(--ink)}.fb-t{background:var(--teal);color:var(--ink)}.fb-c{background:var(--coral);color:#fff}.fb-card.fb-cover .fb-tag,.fb-card.fb-last .fb-tag{color:#fff;background:#fff3}.fb-app h1,.fb-app h2{font-family:var(--f-display);text-wrap:balance;letter-spacing:-.02em;margin:0;line-height:1.12}.fb-app h1{font-size:clamp(1.8rem,8vw,2.7rem);font-weight:800}.fb-app h2{color:var(--ink);font-size:clamp(1.3rem,5.5vw,1.7rem);font-weight:800}.fb-card p{margin:0}.fb-card b{color:var(--brand);font-weight:700}.fb-lead{color:var(--muted);font-size:1.06rem}.fb-hl{color:var(--yellow)}.fb-chips{flex-wrap:wrap;gap:10px;display:flex}.fb-chip{text-align:center;color:var(--ink);background:var(--yellow);border-radius:14px;flex:30%;padding:12px 10px;font-size:1.05rem;font-weight:800;line-height:1.1}.fb-chip:nth-child(2n){background:var(--teal)}.fb-chip:nth-child(3n){background:#fff}.fb-tip{text-align:center;color:var(--muted);font-size:.8rem}.fb-facts{gap:8px;margin:0;padding:0;list-style:none;display:grid}.fb-facts li{border:1px solid var(--line);background:#fff;border-radius:12px;align-items:baseline;gap:10px;padding:9px 12px;display:flex}.fb-facts li:before{content:"";background:var(--brand-light);border-radius:3px;flex:none;width:9px;height:9px;transform:translateY(-1px)}.fb-facts li:nth-child(3n+2):before{background:var(--teal)}.fb-facts li:nth-child(3n+3):before{background:var(--yellow)}.fb-callout{border-left:4px solid var(--coral);background:#fff1ef;border-radius:0 12px 12px 0;padding:12px 14px;font-size:.95rem}.fb-callout strong{color:var(--coral-ink)}.fb-steps{counter-reset:s;gap:10px;margin:0;padding:0;list-style:none;display:grid}.fb-steps li{counter-increment:s;border:1px solid var(--line);background:#fff;border-radius:12px;grid-template-columns:32px 1fr;gap:10px;padding:9px 12px 9px 9px;display:grid}.fb-steps li:before{content:counter(s);background:var(--brand);color:#fff;border-radius:50%;place-items:center;width:28px;height:28px;font-weight:800;display:grid}.fb-steps small{color:var(--muted);font-size:.84rem;display:block}.fb-tbl-wrap{border:1px solid var(--line);background:#fff;border-radius:12px;overflow-x:auto}.fb-tbl{border-collapse:collapse;width:100%;font-size:.92rem}.fb-tbl th,.fb-tbl td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:9px 10px}.fb-tbl tr:last-child th,.fb-tbl tr:last-child td{border-bottom:0}.fb-tbl thead th{background:var(--card-2);font-size:1rem}.fb-tbl thead th:nth-child(2){color:var(--brand)}.fb-tbl thead th:nth-child(3){color:var(--teal-ink)}.fb-tbl thead th:nth-child(4){color:var(--yellow-ink)}.fb-tbl tbody th{color:var(--muted);width:28%;font-size:.84rem;font-weight:600}.fb-app kbd{font-family:var(--f-mono);background:var(--card-2);border:1px solid var(--line);white-space:nowrap;color:var(--ink);border-bottom-width:3px;border-radius:6px;padding:2px 7px;font-size:.8rem}.fb-sc td:first-child{width:46%}.fb-flow{align-items:center;gap:6px;display:flex}.fb-flow.v{flex-direction:column;align-items:stretch}.fb-node{border:1px solid var(--line);border-bottom:3px solid var(--brand-light);text-align:center;background:#fff;border-radius:12px;flex:1;min-width:0;padding:10px 8px}.fb-node strong{font-size:1rem;display:block}.fb-node span{color:var(--muted);font-size:.78rem}.fb-arrow{color:var(--brand-light);text-align:center;font-weight:700}.fb-types{gap:8px;display:grid}.fb-type{border:1px solid var(--line);border-left:5px solid var(--brand-light);background:#fff;border-radius:12px;flex-direction:column;padding:8px 12px;display:flex}.fb-type:nth-child(3n+2){border-left-color:var(--teal)}.fb-type:nth-child(3n+3){border-left-color:var(--yellow)}.fb-type strong{color:var(--brand);font-weight:800;line-height:1.2}.fb-type span{color:var(--muted);font-size:.9rem;line-height:1.3}.fb-memo{gap:12px;display:grid}.fb-memo-item{color:var(--ink);background:var(--yellow);border-radius:16px;padding:16px}.fb-memo-item:nth-child(2n){background:var(--teal)}.fb-memo-item:nth-child(3n){background:var(--brand-light);color:#fff}.fb-memo-item strong{font-size:1.2rem;line-height:1.15;display:block}.fb-memo-item p{margin-top:4px;font-size:.92rem}.fb-qa{align-items:start;gap:8px;display:grid}.fb-q{all:unset;cursor:pointer;border:1px solid var(--line);border-left:5px solid var(--coral);background:#fff;border-radius:12px;padding:10px 14px;font-size:.95rem;font-weight:600;display:block}.fb-q:hover{border-color:var(--brand-light);border-left-color:var(--coral)}.fb-q:focus-visible{outline:2px solid var(--brand-light);outline-offset:2px}.fb-q .fb-ans{color:var(--teal-ink);margin-top:6px;font-size:1rem;font-weight:700;display:block}.fb-q .fb-hint{font-family:var(--f-mono);color:var(--muted);margin-top:3px;font-size:.7rem;font-weight:400;display:block}.fb-q.open{border-color:var(--teal);border-left-color:var(--teal);background:#e8faf7}@container (width>=520px){.fb-facts,.fb-types,.fb-qa,.fb-steps,.fb-memo{grid-template-columns:1fr 1fr}.fb-card{padding:26px 28px}}.fb-cta{text-align:center;cursor:pointer;background:var(--yellow);color:var(--ink);border:0;border-radius:14px;padding:15px;font-family:inherit;font-size:1.15rem;font-weight:800;text-decoration:none;display:block;box-shadow:0 4px #d99a00}.fb-cta:hover{filter:brightness(1.04)}.fb-cta:focus-visible{outline-offset:3px;outline:3px solid #fff}.fb-nextup{color:var(--muted);text-align:center;font-size:.9rem}.fb-nextup span{color:var(--ink);font-weight:600}.fb-nav{flex:none;justify-content:space-between;align-items:center;gap:12px;display:flex}.fb-btn{all:unset;cursor:pointer;background:var(--brand);color:#fff;border-radius:50%;flex:none;place-items:center;width:48px;height:48px;font-size:1.3rem;display:grid;box-shadow:0 4px 12px #0b68b04d}.fb-btn:hover{background:var(--color-brand-700,#095a99)}.fb-btn:focus-visible{outline:2px solid var(--brand-light);outline-offset:3px}.fb-btn[disabled]{color:var(--muted);border:1px solid var(--line);box-shadow:none;opacity:.7;cursor:default;background:#fff}.fb-dots{flex-wrap:wrap;justify-content:center;gap:7px;display:flex}.fb-dots button{all:unset;cursor:pointer;background:var(--line);border-radius:5px;width:9px;height:9px;transition:width .3s,background .3s}.fb-dots button.on{background:var(--yellow);width:24px}@media (height<=700px){.fb-app{gap:8px;padding:8px 12px}.fb-card{gap:10px;padding:16px}.fb-btn{width:42px;height:42px}.fb-chip{padding:9px 8px}}@media (prefers-reduced-motion:reduce){.fb-card{transition:opacity .2s}.fb-card.past{transform:none}}