.iv.bt{--bt-pad:clamp(20px,6vw,90px)}.iv .bthero{max-width:var(--maxw);padding:56px var(--bt-pad) 30px;margin:0 auto}.iv .bttitle{letter-spacing:-.02em;margin:0;font-size:clamp(40px,7.4vw,104px);font-weight:900;line-height:1.02}.iv .bttitle .sm{letter-spacing:.08em;color:var(--ink2);margin-bottom:12px;font-size:clamp(15px,1.5vw,19px);display:block}.iv .bttitle .sub{vertical-align:middle;letter-spacing:.04em;background:var(--green);color:#fff;margin-left:.35em;padding:.25em .6em;font-size:clamp(16px,1.9vw,24px);display:inline-block;transform:translateY(-.4em)}.iv .btfacts{flex-wrap:wrap;gap:10px;margin:26px 0 0;padding:0;list-style:none;display:flex}.iv .btfacts li{border:2px solid var(--ink);background:#fff;align-items:center;gap:10px;padding:7px 14px;font-size:15px;font-weight:900;display:inline-flex}.iv .btfacts em{font-style:normal;font-family:var(--mono);letter-spacing:.18em;color:var(--green-d);font-size:11.5px;font-weight:700}.iv .btlead{max-width:760px;color:var(--ink2);margin:22px 0 0;font-size:clamp(15px,1.4vw,17px);line-height:1.9}.iv .btkv{max-width:var(--maxw);padding:0 var(--bt-pad) 60px;margin:10px auto 0;position:relative}.iv .btkv .frame{border:2px solid var(--ink);background:var(--gray2);box-shadow:10px 10px 0 var(--ink);line-height:0;overflow:hidden}.iv .btkv img{width:100%;height:auto;display:block}.iv .btkv-stamp{right:calc(var(--bt-pad) - 14px);background:var(--green);color:#fff;border:2px solid var(--ink);box-shadow:6px 6px 0 var(--ink);flex-direction:column;padding:10px 18px 12px;line-height:1.15;display:flex;position:absolute;bottom:30px;transform:rotate(-4deg)}.iv .btkv-stamp em{font-style:normal;font-family:var(--mono);letter-spacing:.3em;font-size:12px;font-weight:700}.iv .btkv-stamp b{font-size:clamp(20px,2.4vw,30px);font-weight:900}.iv .btkv.in .btkv-stamp{animation:.55s cubic-bezier(.2,1.6,.4,1) .45s both btstamp}@keyframes 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.btchamp-label{background:var(--ink);color:#fff;margin:18px 0 0;padding:4px 12px;font-size:clamp(17px,1.8vw,22px);font-weight:900;display:inline-block}.iv .btchamp-name{letter-spacing:-.02em;margin:10px 0 0;font-size:clamp(46px,8vw,112px);font-weight:900;line-height:1.05}.iv .btchamp-wins{flex-wrap:wrap;align-items:baseline;gap:12px;margin-top:14px;display:flex}.iv .btchamp-wins .num{font-family:var(--mono);font-size:clamp(54px,6vw,84px);font-weight:900;line-height:1}.iv .btchamp-wins .unit{font-family:var(--mono);letter-spacing:.14em;font-size:clamp(18px,2vw,26px);font-weight:800}.iv .btchamp-wins .rounds{gap:6px;margin-left:6px;display:inline-flex}.iv .btchamp-wins .rounds i{font-style:normal;font-family:var(--mono);letter-spacing:.08em;color:var(--green-d);border:2px solid var(--ink);background:#fff;padding:3px 9px;font-size:13px;font-weight:800}.iv .btchamp-text{max-width:520px;margin:18px 0 0;font-size:clamp(15px,1.35vw,16.5px);font-weight:700;line-height:1.9}.iv .btchamp-art{z-index:2;pointer-events:none;width:42%;position:absolute;top:-120px;bottom:0;right:3%}.iv .btchamp-art img{width:auto;max-width:none;height:100%;filter:drop-shadow(8px 8px 0 var(--ink));position:absolute;bottom:0;left:50%;transform:translate(-50%)}.iv .btchamp.rv .btchamp-art img{transition:transform .9s var(--ease) .15s,opacity .9s var(--ease) .15s;opacity:0;transform:translate(-50%,40px)}.iv .btchamp.rv.in .btchamp-art img{opacity:1;transform:translate(-50%)}.iv .btsec{max-width:1120px;padding:70px var(--bt-pad) 30px;margin:0 auto}.iv .btsub{flex-direction:column;gap:6px;margin:0 0 28px;font-size:clamp(24px,3vw,36px);font-weight:900;line-height:1.2;display:flex}.iv .btsub .en{font-family:var(--mono);letter-spacing:.3em;color:var(--green-d);align-items:center;gap:12px;font-size:13px;font-weight:700;display:inline-flex}.iv .btsub .en:before{content:"";background:var(--green);width:34px;height:2px}.iv .btmatrix{border:2px solid var(--ink);box-shadow:8px 8px 0 var(--ink);background:#fff}.iv .btm-row{border-top:2px solid var(--ink);grid-template-columns:minmax(0,1fr) repeat(4,minmax(58px,92px)) 80px;align-items:stretch;display:grid}.iv .btm-row:first-child{border-top:0}.iv .btm-head{background:var(--ink);color:#fff;font-family:var(--mono);letter-spacing:.14em;font-size:13px;font-weight:700}.iv .btm-head .btm-who{font-family:var(--gothic);letter-spacing:.06em}.iv .btm-head>div{padding:10px 14px}.iv .btm-who{align-items:center;gap:12px;min-width:0;padding:12px 16px;font-size:clamp(15px,1.6vw,18px);font-weight:900;display:flex}.iv .btm-who img{object-fit:cover;border:2px solid var(--ink);flex:none;width:44px;height:44px}.iv .btm-who span{min-width:0}.iv .btm-crown{background:var(--green);color:#fff;white-space:nowrap;padding:2px 8px;font-size:12px}.iv .btm-c,.iv .btm-w{border-left:2px solid var(--ink);place-items:center;font-size:15px;font-weight:800;display:grid}.iv .btm-c .na{color:var(--mist)}.iv 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18px;display:flex}.iv .btr-no{font-family:var(--mono);letter-spacing:.24em;color:var(--ink2);align-items:baseline;gap:6px;font-size:12px;font-weight:700;display:inline-flex}.iv .btr-no b{letter-spacing:-.02em;color:var(--ink);font-size:34px;line-height:1}.iv .btr-win{align-items:center;gap:8px;font-size:17px;font-weight:900;display:inline-flex}.iv .btr-win em{font-style:normal;font-family:var(--mono);letter-spacing:.18em;background:var(--ink);color:#fff;padding:2px 7px;font-size:11px}.iv .btr-tag{background:var(--green);color:#fff;border:2px solid var(--ink);margin-left:auto;padding:4px 10px;font-size:13px;font-weight:900}.iv .btround.decisive{box-shadow:8px 8px 0 var(--green)}.iv .btround.decisive .btr-head{background:var(--green);color:#fff}.iv .btround.decisive .btr-no,.iv .btround.decisive .btr-no b{color:#fff}.iv .btr-list{margin:0;padding:8px 18px 16px;list-style:none}.iv .btr-row{border-top:1px solid var(--gray3);grid-template-columns:26px 40px minmax(0,1fr);align-items:center;gap:12px;padding:10px 0;display:grid}.iv .btr-row:first-child{border-top:0}.iv .btr-rk{font-family:var(--mono);text-align:center;color:var(--mist);font-size:20px;font-weight:900}.iv .btr-row.top .btr-rk{color:var(--green-d)}.iv .btr-row img{object-fit:cover;border:2px solid var(--ink);width:40px;height:40px}.iv .btr-line{justify-content:space-between;align-items:baseline;gap:10px;display:flex}.iv .btr-name{white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:900;overflow:hidden}.iv .btr-pt{font-family:var(--mono);white-space:nowrap;font-size:17px;font-weight:800}.iv .btr-row.top .btr-pt{color:var(--green-d);font-size:21px}.iv .btr-pt.na{font-family:var(--gothic);color:var(--mist);font-size:12.5px;font-weight:700}.iv .btr-pt .est{font-family:var(--gothic);border:1.5px solid var(--green);color:var(--green-d);vertical-align:2px;margin-right:6px;padding:0 6px;font-size:11.5px;font-weight:800}.iv .btr-pt .approx{font-family:var(--gothic);margin-right:2px;font-size:.8em}.iv .btr-bar{background:var(--gray2);height:10px;margin-top:6px;position:relative;overflow:hidden}.iv .btr-bar i{background:var(--ink);transform-origin:0;transition:transform 1.1s var(--ease) .2s;position:absolute;inset:0 auto 0 0;transform:scaleX(0)}.iv .btr-row.top .btr-bar i{background:var(--green)}.iv .btround.in .btr-bar i{transform:scaleX(1)}.iv .btnote{color:var(--mist);margin:22px 0 0;font-size:12.5px;line-height:1.8}.iv .btshots{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;display:grid}.iv .btshot{margin:0}.iv .btshot .frame{border:2px solid var(--ink);box-shadow:8px 8px 0 var(--ink);background:var(--gray2);line-height:0;position:relative;overflow:hidden}.iv .btshot img{width:100%;height:auto;display:block}.iv .btshot-no{font-family:var(--mono);letter-spacing:.14em;background:var(--green);color:#fff;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);padding:6px 10px;font-size:14px;font-weight:900;line-height:1.2;position:absolute;top:0;left:0}.iv .btshot figcaption{color:var(--ink2);margin-top:16px;font-size:14px;font-weight:700;line-height:1.7}.iv .btnext{max-width:1120px;padding:0 var(--bt-pad);text-align:center;margin:40px auto 80px}.iv .btnext-en{font-family:var(--mono);letter-spacing:-.01em;color:#0000;-webkit-text-stroke:1px var(--green);margin:0;font-size:clamp(26px,5vw,64px);font-weight:900;line-height:1.1}.iv .btnext-jp{margin:14px 0 0;font-size:clamp(16px,1.8vw,20px);font-weight:900}.iv .btnext-link{border:2px solid var(--ink);background:#fff;align-items:center;gap:8px;margin-top:22px;padding:12px 22px;font-size:clamp(14px,1.3vw,16px);font-weight:900;transition:transform .16s,box-shadow .16s,border-color .16s;display:inline-flex}.iv .btnext-link em{font-style:normal;font-family:var(--mono);color:var(--green-d)}.iv .btnext-link:hover{border-color:var(--green);box-shadow:7px 7px 0 var(--green);transform:translate(-3px,-3px)}.iv .btabout{padding-top:80px}.iv .btabout-lead{max-width:780px;color:var(--ink2);margin:0 0 30px;font-size:clamp(15px,1.4vw,17px);line-height:1.9}.iv .btabout-steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:0;padding:0;list-style:none;display:grid}.iv .btabout-steps li{border:2px solid var(--ink);box-shadow:6px 6px 0 var(--ink);background:#fff;flex-direction:column;gap:8px;padding:18px 18px 20px;display:flex}.iv .btabout-steps .no{font-family:var(--mono);color:var(--green-d);font-size:26px;font-weight:900;line-height:1}.iv .btabout-steps b{font-size:clamp(16px,1.5vw,18px);font-weight:900;line-height:1.4}.iv .btabout-steps p{color:var(--ink2);margin:0;font-size:14px;line-height:1.8}.iv .btabout-steps li.soyo{background:var(--green);color:#fff}.iv .btabout-steps li.soyo .no{color:#fff;letter-spacing:.22em;padding:6px 0 5px;font-size:15px}.iv .btabout-steps li.soyo p{color:#fff;font-weight:700}.iv .btabout+.btchamp-sec{padding-top:150px}@media (max-width:1023px){.iv .btabout-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:767px){.iv .btabout{padding-top:56px}.iv .btabout-lead{margin-bottom:24px;font-size:14px;line-height:2}.iv .btabout-steps{grid-template-columns:1fr;gap:14px}.iv .btabout-steps li{box-shadow:5px 5px 0 var(--ink)}.iv .btabout+.btchamp-sec{padding-top:56px}}@media (prefers-reduced-motion:reduce){.iv .btkv.in .btkv-stamp{animation:none}.iv .btchamp.rv .btchamp-art img{opacity:1;transition:none;transform:translate(-50%)}.iv .btmatrix.rv .btm-c.won{opacity:1;transition:none;transform:none}.iv .btr-bar i{transition:none;transform:scaleX(1)}}@media (max-width:1023px){.iv .btchamp{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}}@media (max-width:767px){.iv.bt{--bt-pad:16px}.iv .bthero{padding:40px var(--bt-pad) 22px}.iv .bttitle .sub{margin:12px 0 0;display:table;transform:none}.iv .btfacts li{padding:6px 10px;font-size:13px}.iv .btlead{font-size:14px;line-height:2}.iv .btkv .frame{box-shadow:5px 5px 0 var(--ink)}.iv .btkv{padding-bottom:44px}.iv .btkv-stamp{padding:7px 12px 9px;bottom:22px;right:6px}.iv .btchamp-sec{padding:56px var(--bt-pad) 20px}.iv .btchamp{box-shadow:6px 6px 0 var(--ink);grid-template-columns:1fr;min-height:0}.iv .btchamp-art{border-bottom:2px solid var(--ink);order:-1;width:auto;height:320px;position:relative;top:auto;right:auto;overflow:hidden}.iv .btchamp-art img{height:200%;top:4%;bottom:auto}.iv .btchamp.rv.in .btchamp-art img{transform:translate(-50%)}.iv .btchamp-copy{padding:24px 20px 96px}.iv .btchamp-text{font-size:14px}.iv .btsec{padding:56px var(--bt-pad) 20px}.iv .btmatrix{box-shadow:5px 5px 0 var(--ink)}.iv .btm-row{grid-template-columns:minmax(0,1fr) repeat(4,38px) 40px}.iv .btm-head>div{text-align:center;letter-spacing:.04em;padding:8px 4px;font-size:11px}.iv .btm-head .btm-who{text-align:left;padding-left:10px}.iv .btm-who{flex-wrap:wrap;gap:8px;padding:10px;font-size:13px}.iv .btm-who img{width:32px;height:32px}.iv .btm-crown{font-size:11px}.iv .btm-c{font-size:12px}.iv .btm-c.won b{letter-spacing:0;font-size:11px}.iv .btm-w b{font-size:20px}.iv .btrounds,.iv .btshots{grid-template-columns:1fr;gap:20px}.iv .btround,.iv .btshot .frame{box-shadow:5px 5px 0 var(--ink)}.iv .btround.decisive{box-shadow:5px 5px 0 var(--green)}.iv .btr-list{padding:6px 14px 12px}.iv .btr-head{padding:12px 14px}.iv .btr-tag{margin-left:0}.iv .btnext{margin:24px auto 64px}}