.mv,.mv .c-bg-check{position:relative}.mv .c-bg-check{height:41.8rem;overflow:hidden;padding-top:3.6rem}.mv-img{bottom:0;position:absolute}.mv-img-01{left:0;width:6.8rem}.mv-img-02{right:0;width:8.2rem}.mv-img-03{left:0;width:10.2rem}.mv-img-04{right:0;width:9.6rem}.mv-img-05{left:0;width:8rem}.mv-img-06{right:0;width:6.8rem}.mv-img-07{left:0;width:12.8rem}.mv-img-08{right:0;width:16.4rem}.is-ready .mv-img-01,.is-ready .mv-img-03,.is-ready .mv-img-05{opacity:0;translate:-20% 5%}.is-ready .mv-img-02,.is-ready .mv-img-04,.is-ready .mv-img-06{opacity:0;translate:20% 5%}.is-ready .mv-img-07{opacity:0;translate:-15% 10%}.is-ready .mv-img-08{opacity:0;translate:15% 10%}.is-start .mv-img{opacity:1;transition:opacity .18s 1s var(--ease-none),translate .8s 1s var(--ease-power4-out);translate:0 0}.mv-ttl{margin-inline:auto;width:28.8rem}.is-ready .mv-ttl svg{overflow:visible}.is-ready .mv-ttl svg .lead,.is-ready .mv-ttl svg .text,.is-ready .mv-ttl svg .text01,.is-ready .mv-ttl svg .text02,.is-ready .mv-ttl svg .text03,.is-ready .mv-ttl svg .text04{transform-box:fill-box;transform-origin:50% 50%}.is-ready .mv-ttl svg .lead,.is-ready .mv-ttl svg .text{clip-path:inset(0 100% 0 0)}.is-ready .mv-ttl svg .text01,.is-ready .mv-ttl svg .text02,.is-ready .mv-ttl svg .text03,.is-ready .mv-ttl svg .text04,.is-ready .mv-ttl svg .text05{opacity:0;scale:1.2}.is-start .mv-ttl svg .lead,.is-start .mv-ttl svg .text{clip-path:inset(0 0 0 0);transition:clip-path .6s var(--ease-power3-inout)}.is-start .mv-ttl svg .text{transition-delay:.2s}.is-start .mv-ttl svg .text01{opacity:1;scale:1;transition:opacity .1s .55s var(--ease-none),scale .3s .55s var(--ease-power4-out)}.is-start .mv-ttl svg .text02{opacity:1;scale:1;transition:opacity .1s .6s var(--ease-none),scale .3s .6s var(--ease-power4-out)}.is-start .mv-ttl svg .text03{opacity:1;scale:1;transition:opacity .1s .65s var(--ease-none),scale .3s .65s var(--ease-power4-out)}.is-start .mv-ttl svg .text04{opacity:1;scale:1;transition:opacity .1s .7s var(--ease-none),scale .3s .7s var(--ease-power4-out)}.is-start .mv-ttl svg .text05{opacity:1;scale:1;transition:opacity .1s .75s var(--ease-none),scale .3s .75s var(--ease-power4-out)}.mv-lead{margin:2.7rem auto 0;width:19.7rem}.mv-lead,.mv-lead-img{position:relative}.is-ready .mv-lead-img-01{opacity:0;translate:0 -15%}.is-ready .mv-lead-img-02{opacity:0}.is-ready .mv-lead-img-03{opacity:0;translate:0 15%}.is-start .mv-lead-img{opacity:1;transition:opacity .18s 1s var(--ease-none),translate .8s 1s var(--ease-power4-out);translate:0 0}.mv-lead-obj{position:absolute;right:.5rem;top:-1.3rem;transform-origin:50% 100%;width:4.2rem}.is-ready .mv-lead-obj{opacity:0}.is-start .mv-lead-obj{opacity:1;transition:opacity .18s 1.3s var(--ease-none)}.mv-lead[data-trigger-loop] .mv-lead-obj{animation:mv-lead 2s steps(1) infinite forwards paused}.mv-lead[data-trigger-loop].is-loop-show .mv-lead-obj{animation-play-state:running!important;will-change:rotate}.mv-banner{padding:1.6rem 2.4rem}.mv-banner a{display:block;position:relative}.mv-banner a:after{background-color:var(--color-yellow);content:"";display:block;inset:0;opacity:0;position:absolute;transition:opacity .2s var(--ease-none)}@media screen and (hover:hover) and (min-width:768px){.mv-banner a:hover:after{opacity:.2}}@media (hover:none){.mv-banner a:active:after{opacity:.2}}.mv-navi-list{column-gap:.1rem;display:grid;grid-template-columns:repeat(3,1fr)}.mv-navi-item{background-color:var(--color-green-dark);color:var(--color-white);height:7.2rem}.mv-navi-item-link{align-items:center;color:var(--color-white);display:flex;height:100%;justify-content:center;padding-bottom:.2rem;position:relative;transition:color .2s var(--ease-none);width:100%}.mv-navi-item-link:after{background-color:currentcolor;bottom:.5rem;clip-path:polygon(0 0,50% 100%,100% 0);content:"";display:block;height:.6rem;left:0;margin-inline:auto;position:absolute;right:0;transition:translate .4s var(--ease-power4-out);width:.8rem}@media screen and (hover:hover) and (min-width:768px){.mv-navi-item-link:hover{color:var(--color-yellow)}.mv-navi-item-link:hover:after{translate:0 20%}.mv-navi-item-link:hover .mv-navi-item-label{scale:1.2}}@media (hover:none){.mv-navi-item-link:active{color:var(--color-yellow)}.mv-navi-item-link:active:after{translate:0 20%}.mv-navi-item-link:active .mv-navi-item-label{scale:1.2}}.mv-navi-item-txt{filter:var(--shadow-strong);width:10rem}.mv-navi-item-label{left:0;margin-inline:auto;pointer-events:none;position:absolute;right:0;top:-1.1rem;transform-origin:50% 100%;transition:scale .4s var(--ease-power4-out);width:10.2rem}.about{padding:3.6rem 2.4rem 4.7rem;position:relative}.about-ttl{filter:var(--shadow-strong);margin:0 auto;width:34rem}.about-inner{border-radius:var(--border-radius);margin-top:3.7rem;overflow:hidden;padding:4.8rem 2.4rem 0}.about-logo{width:100%}.about-ttl02{filter:var(--shadow-soft);margin-top:2rem;width:100%}.about-period{margin-top:2.5rem;width:100%}.about-lead{margin:2rem auto 0;width:29rem}.about-bg{height:17.6rem;margin:2.4rem -2.4rem 0;overflow:hidden;position:relative}.about-bg-img{bottom:0;left:0;position:absolute}.about-img{overflow:hidden;pointer-events:none;position:absolute;top:57rem}.about-img-01{left:0;width:9.8rem}.about-img-02{right:0;width:9.6rem}.about-img-01[data-trigger-once] img,.about-img-02[data-trigger-once] img{display:inline-block;scale:.5}.about-img-01[data-trigger-once] img{transform-origin:0 100%;translate:-100% 0}.about-img-02[data-trigger-once] img{transform-origin:100% 100%;translate:100% 0}.about-img-01[data-trigger-once].is-once-show img,.about-img-02[data-trigger-once].is-once-show img{scale:1;transition:translate .8s var(--ease-power4-out),scale .8s var(--ease-power4-out);translate:0 0}.about-collaboration{color:var(--color-green-deep);margin-top:3rem}.about-collaboration-header{align-items:center;appearance:none;background-color:var(--color-white);border:.3rem solid;border-radius:var(--border-radius-inner);color:var(--color-green-deep);cursor:pointer;display:flex;padding:1.3rem 1.7rem;transition:color .2s var(--ease-none);width:100%}.about-collaboration-header:after{background-color:currentcolor;clip-path:polygon(100% 0,0 0,50% 100%);content:"";display:block;height:1.2rem;margin-left:auto;transition:scale .3s var(--ease-power3-inout);width:1.6rem}.about-collaboration-header[aria-expanded=true]:after{scale:1 -1}@media screen and (hover:hover) and (min-width:768px){.about-collaboration-header:hover{color:var(--color-orange)}}@media (hover:none){.about-collaboration-header:active{color:var(--color-orange)}}.about-collaboration-img{flex:0 0 auto;width:9.6rem}.about-collaboration-ttl{filter:var(--shadow-soft);margin-left:1.7rem;width:12.3rem}.about-collaboration-body{height:0;margin:0 -2.4rem;overflow:hidden;transition:height 1s var(--ease-power4-inout)}.about-collaboration-body-inner{display:grid;gap:3.3rem;grid-template-columns:1fr;padding-top:4rem}.about-collaboration-item{margin:0 auto;position:relative;width:30.4rem}.about-collaboration-item-img{border:.2rem solid var(--color-green-deep);border-radius:var(--border-radius);overflow:hidden;width:100%}.about-collaboration-item-label{left:-1.6rem;position:absolute;top:-1.6rem;width:8.8rem}.about-collaboration-item-label-bg{animation:rotation 20s var(--ease-none) infinite}.about-collaboration-item-label-txt{left:0;position:absolute;top:0}.about-collaboration-item-limited{background-color:var(--color-green-deep);border-radius:var(--border-radius-full);overflow:hidden;position:absolute;right:-1.6rem;top:17.2rem;width:6.8rem}.about-collaboration-item-ttl{font-size:1.6rem;font-weight:var(--font-weight-bold);line-height:var(--leading-relaxed);margin-top:1.6rem;text-align:center}.about-collaboration-item-note{font-size:1rem;font-weight:var(--font-weight-medium);line-height:var(--leading-normal);margin-top:.8rem;text-align:center}.challenge{background-image:url(../images/challenge_bg.jpg);background-position:50% 0;background-repeat:repeat-y;background-size:100% auto;padding:5.2rem 3.2rem 4.8rem;position:relative}.challenge-ttl{margin:0 -.8rem}.challenge[data-trigger-once] .challenge-ttl svg{overflow:visible}.challenge[data-trigger-once] .challenge-ttl svg .bgdifficulty,.challenge[data-trigger-once] .challenge-ttl svg .lead,.challenge[data-trigger-once] .challenge-ttl svg .text01,.challenge[data-trigger-once] .challenge-ttl svg .text02,.challenge[data-trigger-once] .challenge-ttl svg .text03,.challenge[data-trigger-once] .challenge-ttl svg .text04{transform-box:fill-box;transform-origin:50% 50%}.challenge[data-trigger-once] .challenge-ttl svg .text01,.challenge[data-trigger-once] .challenge-ttl svg .text02,.challenge[data-trigger-once] .challenge-ttl svg .text03,.challenge[data-trigger-once] .challenge-ttl svg .text04{opacity:0;scale:1.2}.challenge[data-trigger-once] .challenge-ttl svg .bgdifficulty{opacity:0}.challenge[data-trigger-once] .challenge-ttl svg .lead{clip-path:inset(0 100% 0 0)}.challenge[data-trigger-once].is-once-show .challenge-ttl svg .lead{clip-path:inset(0 0 0 0);transition:clip-path .6s 0s var(--ease-power3-inout)}.challenge[data-trigger-once].is-once-show .challenge-ttl svg .bgdifficulty{opacity:1;transition:opacity .2s .5s var(--ease-none)}.challenge[data-trigger-once].is-once-show .challenge-ttl svg .text01{opacity:1;scale:1;transition:opacity .1s .35s var(--ease-none),scale .3s .35s var(--ease-power4-out)}.challenge[data-trigger-once].is-once-show .challenge-ttl svg .text02{opacity:1;scale:1;transition:opacity .1s .4s var(--ease-none),scale .3s .4s var(--ease-power4-out)}.challenge[data-trigger-once].is-once-show .challenge-ttl svg .text03{opacity:1;scale:1;transition:opacity .1s .45s var(--ease-none),scale .3s .45s var(--ease-power4-out)}.challenge[data-trigger-once].is-once-show .challenge-ttl svg .text04{opacity:1;scale:1;transition:opacity .1s .5s var(--ease-none),scale .3s .5s var(--ease-power4-out)}.challenge-img{position:absolute;right:0;top:15.5rem;width:20.9rem}.challenge[data-trigger-once] .challenge-img{overflow:hidden}.challenge[data-trigger-once] .challenge-img img{display:inline-block;opacity:0;translate:0 25%}.challenge[data-trigger-once].is-once-show .challenge-img img{opacity:1;transition:opacity .2s .5s var(--ease-none),translate .5s .5s var(--ease-power4-out);translate:0 0}.challenge-lead{margin:3.2rem 0 3.8rem;position:relative;width:26rem}.challenge[data-trigger-once] .challenge-lead{opacity:0;scale:0;transform-origin:100% 67%}.challenge[data-trigger-once].is-once-show .challenge-lead{opacity:1;scale:1;transition:opacity .2s .8s var(--ease-none),scale .35s .8s var(--ease-power4-out)}.challenge-txt{margin:0 -.4rem;padding-top:4.8rem;position:relative}.challenge-txt:before{background-image:linear-gradient(to right,var(--color-white) .3rem,#0000 .3rem);background-repeat:repeat-x;background-size:.9rem 100%;content:"";height:.3rem;left:0;margin:auto;position:absolute;right:0;top:0;width:33.6rem}.challenge-note{font-size:1rem;font-weight:var(--font-weight-medium);margin-top:1.7rem;text-align:center}.challenge-location{display:grid;gap:1.2rem;grid-template-columns:repeat(3,1fr);margin-top:2.9rem}.challenge-location-item{display:flex;flex-direction:column}.challenge-location-item img{aspect-ratio:1/1;border:.2rem solid var(--color-white);border-radius:var(--border-radius-full);width:100%}.challenge-location-item span{align-items:center;display:flex;font-size:1.2rem;font-weight:var(--font-weight-medium);height:100%;justify-content:center;line-height:var(--leading-normal);margin-top:.7rem;text-align:center}.challenge-attention{background-color:var(--color-white);border-radius:.6rem;color:var(--color-black);margin-top:2.9rem;overflow:hidden}.challenge-attention-ttl{background-color:var(--color-orange-deep);padding:1.6rem 0;text-align:center}.challenge-attention-ttl img{width:14.2rem}.challenge-attention-body{padding:2rem 3rem}.challenge-attention-body li{font-size:1.4rem;font-weight:var(--font-weight-medium);padding-left:.9em;position:relative}.challenge-attention-body li:before{background-color:currentcolor;border-radius:var(--border-radius-full);content:"";display:block;height:.4rem;left:0;position:absolute;top:.7em;width:.4rem}.challenge-attention-body li+li{margin-top:.8rem}.practice{padding:4.6rem 2.4rem 4.8rem}.practice-ttl{margin:0 auto;width:33.6rem}.practice-article{margin-top:3.8rem}.practice-item{background-color:var(--color-green-deep);border-radius:var(--border-radius)}.practice-item-ttl{width:100%}[data-trigger-once] .practice-item-ttl svg .bgdifficulty,[data-trigger-once] .practice-item-ttl svg .text01,[data-trigger-once] .practice-item-ttl svg .text02,[data-trigger-once] .practice-item-ttl svg .text03,[data-trigger-once] .practice-item-ttl svg .text04,[data-trigger-once] .practice-item-ttl svg .text05{transform-box:fill-box;transform-origin:50% 50%}[data-trigger-once] .practice-item-ttl svg .text01,[data-trigger-once] .practice-item-ttl svg .text02,[data-trigger-once] .practice-item-ttl svg .text03,[data-trigger-once] .practice-item-ttl svg .text04,[data-trigger-once] .practice-item-ttl svg .text05{opacity:0;scale:1.2}[data-trigger-once] .practice-item-ttl svg .bgdifficulty{opacity:0}.is-once-show[data-trigger-once] .practice-item-ttl svg .text01{opacity:1;scale:1;transition:opacity .1s 50ms var(--ease-none),scale .3s 50ms var(--ease-power4-out)}.is-once-show[data-trigger-once] .practice-item-ttl svg .text02{opacity:1;scale:1;transition:opacity .1s .1s var(--ease-none),scale .3s .1s var(--ease-power4-out)}.is-once-show[data-trigger-once] .practice-item-ttl svg .text03{opacity:1;scale:1;transition:opacity .1s .15s var(--ease-none),scale .3s .15s var(--ease-power4-out)}.is-once-show[data-trigger-once] .practice-item-ttl svg .text04{opacity:1;scale:1;transition:opacity .1s .2s var(--ease-none),scale .3s .2s var(--ease-power4-out)}.is-once-show[data-trigger-once] .practice-item-ttl svg .text05{opacity:1;scale:1;transition:opacity .1s .25s var(--ease-none),scale .3s .25s var(--ease-power4-out)}.is-once-show[data-trigger-once] .practice-item-ttl svg .bgdifficulty{opacity:1;transition:opacity .2s .2s var(--ease-none)}.practice-item-img{position:relative;width:100%}[data-trigger-once] .practice-item-img:after{animation:load-img 1.5s var(--ease-none) infinite;background-image:linear-gradient(90deg,#faf6db 8%,#f9eb97 18%,#faf6db 33%);background-size:300% 100%;content:"";display:block;inset:0;position:absolute}.is-once-show[data-trigger-once] .practice-item-img:after{opacity:0;transition:opacity .2s .2s var(--ease-none)}.practice-item-note{font-size:1rem;margin-top:.5rem;padding:0 .8rem;text-align:right}.practice-item[data-trigger-once] .practice-item-note{opacity:0}.practice-item[data-trigger-once].is-once-show .practice-item-note{opacity:1;transition:opacity .2s .2s var(--ease-none)}.practice-item-btns{display:flex;flex-wrap:wrap;gap:1.6rem;padding:2.4rem}.practice-item-btns:not(.is-line) li{width:14.4rem}.practice-item-btns.is-line li{width:100%}.practice-item-note+.practice-item-btns{padding-top:1.1rem}.practice-item-btn{align-items:center;border:.2rem solid #0000;border-radius:var(--border-radius-inner);display:flex;justify-content:center;overflow:hidden;padding:1.6rem 1rem 1.5rem;transition:color .2s var(--ease-none),background-color .2s var(--ease-none);width:100%}.practice-item-btn svg{filter:var(--shadow-strong)}.practice-item-btn-hint{border-color:currentcolor}.practice-item-btn-hint svg{width:12.4rem}@media screen and (hover:hover) and (min-width:768px){.practice-item-btn-hint:hover{color:var(--color-yellow)}}@media (hover:none){.practice-item-btn-hint:active{color:var(--color-yellow)}}.practice-item-btn-answer{background-color:var(--color-orange-deep)}.practice-item-btn-answer svg{width:10.5rem}@media screen and (hover:hover) and (min-width:768px){.practice-item-btn-answer:hover{background-color:var(--color-orange)}}@media (hover:none){.practice-item-btn-answer:active{background-color:var(--color-orange)}}.practice-item-btn-line{background-color:var(--color-orange-deep)}.practice-item-btn-line svg{width:22rem}@media screen and (hover:hover) and (min-width:768px){.practice-item-btn-line:hover{background-color:var(--color-orange)}}@media (hover:none){.practice-item-btn-line:active{background-color:var(--color-orange)}}[data-trigger-once] .practice-item-btn{opacity:0;scale:1.1}.is-once-show[data-trigger-once] .practice-item-btn{opacity:1;scale:1;transition:opacity .1s var(--ease-none),scale .3s var(--ease-power4-out),color .2s var(--ease-none),background-color .2s var(--ease-none)}.is-once-show[data-trigger-once] .practice-item-btns li:first-of-type .practice-item-btn{transition-delay:.3s,.3s,0s,0s}.is-once-show[data-trigger-once] .practice-item-btns li:nth-of-type(2) .practice-item-btn{transition-delay:.35s,.35s,0s,0s}.practice-item-txt{margin:-.8rem auto 0;width:19.8rem}.practice-point{align-items:flex-end;display:flex;gap:1.1rem;justify-content:center;margin-top:1.2rem;padding-bottom:2.4rem}.practice-point-img{height:13.3rem;overflow:hidden;position:relative;width:11.5rem}.practice-point-img-over,.practice-point-img-people{bottom:0;left:0;position:absolute}.practice-point-img-people{mask-image:url(../images/practice_point_img_mask.svg);mask-repeat:no-repeat;mask-size:100% 100%}.practice-point-img img{display:block}.practice-point[data-trigger-once] .practice-point-img-people img{translate:0 100%}.practice-point[data-trigger-once].is-once-show .practice-point-img-people img{transition:translate .5s var(--ease-power4-out);translate:0 0}.practice-point:first-of-type .practice-point-txt{margin-bottom:1.2rem;transform-origin:0 67%;width:19.3rem}.practice-point:nth-of-type(2) .practice-point-txt{margin-bottom:1.2rem;transform-origin:0 67%;width:20.7rem}.practice-point:nth-of-type(3) .practice-point-txt{margin-bottom:-.2rem;transform-origin:0 80%;width:21.5rem}.practice-point[data-trigger-once] .practice-point-txt{opacity:0;scale:0}.practice-point[data-trigger-once].is-once-show .practice-point-txt{opacity:1;scale:1;transition:opacity .2s .2s var(--ease-none),scale .35s .2s var(--ease-power4-out)}.practice-step{margin:3.2rem 2.4rem 0;padding:3.8rem 0 3.6rem;position:relative}.practice-step:before{background-image:linear-gradient(to right,var(--color-white) .3rem,#0000 .3rem);background-repeat:repeat-x;background-size:.9rem 100%;content:"";height:.3rem;left:0;margin:auto;position:absolute;right:0;top:0;width:100%}.practice-step-ttl{filter:var(--shadow-strong);margin:0 auto;width:30.4rem}.practice-step-list{display:grid;gap:1.6rem;grid-template-columns:1fr;margin-top:2.9rem}.practice-step-item{position:relative}.practice-step-item+.practice-step-item:before{background-color:var(--color-yellow);clip-path:polygon(0 0,50% 100%,100% 0);content:"";display:block;height:.6rem;left:0;margin:auto;position:absolute;right:0;top:-1.1rem;width:.8rem}.practice-step-item-inner{align-items:center;background-color:var(--color-white);border-radius:var(--border-radius-inner);color:var(--color-black);display:flex;gap:1.6rem;padding:1.2rem 2rem 1.2rem 1.2rem}.practice-step-item-img{border-radius:var(--border-radius-inner);flex:0 0 auto;overflow:hidden;width:9.6rem}.practice-step-item-info{display:flex;flex:1 1 auto;flex-direction:column;gap:1.3rem}.practice-step-item-label{background-color:var(--color-green);border-radius:var(--border-radius-full);line-height:var(--leading-none);overflow:hidden;width:6.2rem}.practice-step-item-txt{font-size:1.4rem;font-weight:var(--font-weight-medium);line-height:1.5}.practice-step-item-txt strong{color:var(--color-orange-deep);font-size:1.8rem;text-decoration:underline;text-underline-offset:.2em}.modal-hint{background-color:var(--color-green-deep);position:relative;transition:translate .5s .15s var(--ease-power3-out)}[open] .modal-hint{translate:0 0 0}@starting-style{[open] .modal-hint{translate:0 -10% 0}}.is-closing .modal-hint{transition-delay:0s;translate:0 10% 0}.modal-hint-img,.modal-hint-ttl{width:100%}.modal-hint-info{height:16rem;position:relative}.modal-hint-people{bottom:0;position:absolute;right:0;width:19.2rem}.modal-hint-txt{bottom:1.2rem;left:.4rem;position:absolute;width:23.95rem}.modal-answer{background-color:var(--color-orange-deep);position:relative;transition:translate .5s .15s var(--ease-power3-out)}[open] .modal-answer{translate:0 0 0}@starting-style{[open] .modal-answer{translate:0 -10% 0}}.is-closing .modal-answer{transition-delay:0s;translate:0 10% 0}.modal-answer-info{height:19.7rem;position:relative}.modal-answer-txt{bottom:1.2rem;left:.4rem;position:absolute;width:34.4rem}