.fd-root{font-size:1rem;line-height:1.6;color:#2c2945;min-width:0;overflow-wrap:break-word}.fd-root *{box-sizing:border-box}.fd-root p{color:#625b73}.fd-instruction{font-size:clamp(1.3rem,3vw,1.7rem);line-height:1.4;margin:20px 0;border-radius:5px;scroll-margin-top:20px}.fd-instruction:focus,.fd-feedback:focus{outline:3px solid #6543b2;outline-offset:4px}.fd-btn{font:inherit;line-height:1.4;min-height:46px;min-width:44px;max-width:100%;padding:11px 16px;border:1.5px solid #cfc7dd;border-radius:13px;background:white;color:#332c4d;font-weight:700;white-space:normal;cursor:pointer}.fd-btn:hover{background:#eee8f8;border-color:#80629f}.fd-btn:disabled{opacity:.45;cursor:default}.fd-btn[aria-pressed=true]{background:#e4d9f3;border-color:#725492;box-shadow:inset 0 0 0 1px #725492}.fd-primary{background:#332c4d;color:white}.fd-primary:hover{background:#53416f;color:white}.fd-root :focus-visible{outline:3px solid #6543b2;outline-offset:4px}.fd-actions,.fd-choices{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:18px 0 0;min-width:0}.fd-choices>.fd-btn{flex:1 1 125px}.fd-choices b{font-size:1.5rem;margin-right:6px}.fd-setting-label{display:flex;flex-direction:column;gap:7px;font-weight:700;margin-bottom:16px;max-width:100%}.fd-setting-label select{font:inherit;min-height:46px;border:1px solid #cfc7dd;border-radius:11px;padding:10px 12px;background:white;color:#332c4d;min-width:0;max-width:100%;width:100%}.fd-visual{background:#f6f5fb;border:1px solid #e1dbea;border-radius:20px;padding:22px;margin:16px 0;min-width:0;max-width:100%}.fd-visual:empty{display:none}.fd-two-amounts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.fd-two-amounts section{min-width:0;background:white;border:1px solid #d9d1e5;border-radius:15px;padding:16px}.fd-two-amounts h4{text-align:center;font-size:1.8rem;margin:0 0 16px}.fd-dots{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;max-width:100%;padding:6px}.fd-dots i{display:block;width:18px;height:18px;flex:0 0 18px;border:1px solid #476d54;background:#a8cdb2;border-radius:50%}.fd-dots>span{font-size:.95rem}.fd-equation{font-size:clamp(1.4rem,6vw,2.2rem);font-weight:800;text-align:center;line-height:1.5;margin:12px 0}.fd-decomposition{display:flex;flex-direction:column;gap:10px}.fd-decomposition>div{border-top:1px dashed #d5cadf;padding-top:8px}.fd-decomposition strong{font-size:.95rem;font-weight:600}.fd-decomposition>div>div{display:flex;gap:4px;flex-wrap:wrap;margin-top:6px}.fd-place-object{font-size:1.3rem;color:#527b5a;display:inline-flex;justify-content:center;min-width:21px;line-height:1.3}.fd-place-1{color:#806a37}.fd-place-2{color:#755798}.fd-place-3{color:#486779}.fd-number-word{text-align:center;font-size:1.7rem;font-weight:700;overflow-wrap:anywhere}.fd-neighbor-line{display:flex;justify-content:center;gap:15px;align-items:center;text-align:center;min-width:0}.fd-neighbor-line>span,.fd-neighbor-line>strong{flex:1;min-width:0;padding:12px 7px;border:1px solid #d1c4e3;border-radius:12px;background:white}.fd-neighbor-line>strong{font-size:1.6rem}.fd-pair-tray{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:16px}.fd-pair{border:1px dashed #9db49f;border-radius:13px;background:white;padding:3px}.fd-ten-frame{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:4px;max-width:450px;margin:20px auto}.fd-ten-frame>span{display:grid;place-items:center;min-height:44px;border:1px solid #a79ab9;border-radius:7px;background:white;font-size:1.2rem;color:#81708f}.fd-ten-frame>.fd-given{background:#d9ecdf;color:#3c6748}.fd-ten-frame>.fd-added{background:#ede0b8;color:#745c2e}.fd-array{display:flex;flex-direction:column;gap:9px;margin-bottom:17px}.fd-array>div{display:flex;flex-wrap:wrap;gap:10px;align-items:center;border:1px dashed #b4a3c7;background:white;border-radius:11px;padding:8px 12px}.fd-array>div>span{font-size:.9rem}.fd-vases{display:flex;flex-wrap:wrap;gap:10px}.fd-vases>section{flex:1 1 100px;min-width:0;text-align:center;background:#f0e0c7;border:1.5px solid #ad926d;border-radius:12px 12px 24px 24px;padding:12px}.fd-vases h4{font-size:1rem;margin:0 0 8px}.fd-vases strong{font-size:1.4rem}.fd-column-progress{display:flex;gap:7px;justify-content:center;margin-bottom:20px}.fd-column-progress>span{flex:1;min-width:0;text-align:center;background:white;border:1px solid #d7cde3;border-radius:12px;padding:8px 4px}.fd-column-progress>span[aria-current=step]{background:#e9dff5;border:2px solid #725492}.fd-column-progress b,.fd-column-progress small{font-size:.85rem;display:block}.fd-column-progress strong{font-size:1.6rem;display:block}.fd-column-work{padding:17px;background:white;border:1px solid #d9cfe5;border-radius:16px}.fd-active-groups{display:flex;flex-wrap:wrap;gap:7px;align-items:center;justify-content:center;min-height:35px;margin:13px 0}.fd-active-groups>.fd-place-object{font-size:1.8rem}.fd-story{font-size:1.12rem;line-height:1.7}.fd-story p{margin-bottom:13px}.fd-story strong{display:block;font-size:1.1rem}.fd-help{padding:16px 18px;background:#eee7f8;border-radius:15px;margin:18px 0}.fd-help p{margin:0}.fd-small{font-size:.95rem;line-height:1.6}.fd-answer-fields{display:flex;flex-wrap:wrap;gap:16px;max-width:100%;margin:18px 0}.fd-answer-fields>label{display:flex;flex-direction:column;gap:8px;font-weight:700;flex:1 1 170px;min-width:0}.fd-answer{font:inherit;font-size:1.5rem;width:100%;min-width:0;max-width:250px;min-height:52px;border:2px solid #b9adca;border-radius:12px;padding:10px 14px;color:#332c4d;background:white}.fd-feedback{margin-top:18px;border-radius:15px;scroll-margin-top:20px}.fd-feedback:not(:empty){padding:17px 19px;border:1px solid #e2ceaa;background:#fff1d9}.fd-positive:not(:empty){background:#e0f0e6;border-color:#b3d1bd}.fd-steps{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:15px 0;padding:0}.fd-steps li{padding:6px 12px;border-radius:24px;background:#eee9f4;font-size:.88rem}.fd-steps li[aria-current=step]{background:#503c6d;color:white;font-weight:700}.fd-micro{padding:12px 15px;border-left:4px solid #9b84c3;background:#f3effa;border-radius:0 12px 12px 0}.fd-skill{font-size:1rem;margin-top:25px;border-top:1px solid #e4deec;padding-top:15px}.fd-skill summary{min-height:44px;font-weight:700;cursor:pointer}.fd-skill p{margin:12px 0}
@media(max-width:600px){.fd-visual{padding:16px 12px}.fd-instruction{font-size:1.35rem}.fd-two-amounts{grid-template-columns:minmax(0,1fr)}.fd-two-amounts section{padding:14px}.fd-neighbor-line{gap:6px}.fd-neighbor-line>span{font-size:.95rem;padding:9px 4px}.fd-neighbor-line>strong{font-size:1.3rem;padding:10px 4px}.fd-help{padding:15px 13px}.fd-feedback:not(:empty){padding:16px 14px}.fd-column-work{padding:14px 11px}.fd-column-progress{gap:4px}.fd-column-progress b{font-size:.74rem;overflow-wrap:anywhere}.fd-story{font-size:1rem}.fd-array>div{padding:8px}.fd-actions .fd-btn{flex:1 1 140px}.fd-choices .fd-btn{flex-basis:110px}}
@media(prefers-reduced-motion:reduce){.fd-root *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}