@charset "UTF-8";
:root{--label-end:"終了しました"}html:lang(en){--label-end:"Ended"}html:lang(zh-TW){--label-end:"已結束"}html:lang(zh-CN){--label-end:"已结束"}@-webkit-keyframes fuwafuwa{0%{-webkit-transform:translateY(0) rotate(-7deg);transform:translateY(0) rotate(-7deg)}50%{-webkit-transform:translateY(-7px) rotate(0deg);transform:translateY(-7px) rotate(0deg)}to{-webkit-transform:translateY(0) rotate(7deg);transform:translateY(0) rotate(7deg)}}@keyframes fuwafuwa{0%{-webkit-transform:translateY(0) rotate(-7deg);transform:translateY(0) rotate(-7deg)}50%{-webkit-transform:translateY(-7px) rotate(0deg);transform:translateY(-7px) rotate(0deg)}to{-webkit-transform:translateY(0) rotate(7deg);transform:translateY(0) rotate(7deg)}}@-webkit-keyframes flowing{0%{-webkit-transform:translateX(0);transform:translateX(0)}to{-webkit-transform:translateX(calc(-100% + 100vw));transform:translateX(calc(-100% + 100vw))}}@keyframes flowing{0%{-webkit-transform:translateX(0);transform:translateX(0)}to{-webkit-transform:translateX(calc(-100% + 100vw));transform:translateX(calc(-100% + 100vw))}}@-webkit-keyframes softBlink{0%{-webkit-filter:brightness(1);filter:brightness(1);opacity:1}50%{-webkit-filter:brightness(1.1);filter:brightness(1.1);opacity:.8}to{-webkit-filter:brightness(1);filter:brightness(1);opacity:1}}@keyframes softBlink{0%{-webkit-filter:brightness(1);filter:brightness(1);opacity:1}50%{-webkit-filter:brightness(1.1);filter:brightness(1.1);opacity:.8}to{-webkit-filter:brightness(1);filter:brightness(1);opacity:1}}@-webkit-keyframes fadeUp{0%{opacity:0;-webkit-transform:translateY(10px);transform:translateY(10px)}to{opacity:1;-webkit-transform:translateY(0);transform:translateY(0)}}@keyframes fadeUp{0%{opacity:0;-webkit-transform:translateY(10px);transform:translateY(10px)}to{opacity:1;-webkit-transform:translateY(0);transform:translateY(0)}}@-webkit-keyframes floatSoft{0%{-webkit-transform:translateY(0);transform:translateY(0)}50%{-webkit-transform:translateY(-5px);transform:translateY(-5px)}to{-webkit-transform:translateY(0);transform:translateY(0)}}@keyframes floatSoft{0%{-webkit-transform:translateY(0);transform:translateY(0)}50%{-webkit-transform:translateY(-5px);transform:translateY(-5px)}to{-webkit-transform:translateY(0);transform:translateY(0)}}@-webkit-keyframes dropSmall{0%{opacity:0;-webkit-transform:translateY(-70px) scaleY(1.12);transform:translateY(-70px) scaleY(1.12)}45%{opacity:1;-webkit-transform:translateY(0) scaleY(.68);transform:translateY(0) scaleY(.68)}60%{opacity:1;-webkit-transform:translateY(-10px) scaleY(1.05);transform:translateY(-10px) scaleY(1.05)}75%{opacity:1;-webkit-transform:translateY(0) scaleY(.97);transform:translateY(0) scaleY(.97)}85%{opacity:1;-webkit-transform:translateY(-4px) scaleY(1.02);transform:translateY(-4px) scaleY(1.02)}to{opacity:1;-webkit-transform:translateY(0) scaleY(1);transform:translateY(0) scaleY(1)}}@keyframes dropSmall{0%{opacity:0;-webkit-transform:translateY(-70px) scaleY(1.12);transform:translateY(-70px) scaleY(1.12)}45%{opacity:1;-webkit-transform:translateY(0) scaleY(.68);transform:translateY(0) scaleY(.68)}60%{opacity:1;-webkit-transform:translateY(-10px) scaleY(1.05);transform:translateY(-10px) scaleY(1.05)}75%{opacity:1;-webkit-transform:translateY(0) scaleY(.97);transform:translateY(0) scaleY(.97)}85%{opacity:1;-webkit-transform:translateY(-4px) scaleY(1.02);transform:translateY(-4px) scaleY(1.02)}to{opacity:1;-webkit-transform:translateY(0) scaleY(1);transform:translateY(0) scaleY(1)}}@-webkit-keyframes dropNormal{0%{opacity:0;-webkit-transform:translateY(-70px) scaleY(1.08);transform:translateY(-70px) scaleY(1.08)}45%{opacity:1;-webkit-transform:translateY(0) scaleY(.78);transform:translateY(0) scaleY(.78)}60%{opacity:1;-webkit-transform:translateY(-6px) scaleY(1.03);transform:translateY(-6px) scaleY(1.03)}75%{opacity:1;-webkit-transform:translateY(0) scaleY(.98);transform:translateY(0) scaleY(.98)}to{opacity:1;-webkit-transform:translateY(0) scaleY(1);transform:translateY(0) scaleY(1)}}@keyframes dropNormal{0%{opacity:0;-webkit-transform:translateY(-70px) scaleY(1.08);transform:translateY(-70px) scaleY(1.08)}45%{opacity:1;-webkit-transform:translateY(0) scaleY(.78);transform:translateY(0) scaleY(.78)}60%{opacity:1;-webkit-transform:translateY(-6px) scaleY(1.03);transform:translateY(-6px) scaleY(1.03)}75%{opacity:1;-webkit-transform:translateY(0) scaleY(.98);transform:translateY(0) scaleY(.98)}to{opacity:1;-webkit-transform:translateY(0) scaleY(1);transform:translateY(0) scaleY(1)}}@-webkit-keyframes swaySoft{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}25%{-webkit-transform:rotate(-.8deg);transform:rotate(-.8deg)}50%{-webkit-transform:rotate(.9deg);transform:rotate(.9deg)}75%{-webkit-transform:rotate(-.6deg);transform:rotate(-.6deg)}to{-webkit-transform:rotate(0deg);transform:rotate(0deg)}}@keyframes swaySoft{0%{-webkit-transform:rotate(0deg);transform:rotate(0deg)}25%{-webkit-transform:rotate(-.8deg);transform:rotate(-.8deg)}50%{-webkit-transform:rotate(.9deg);transform:rotate(.9deg)}75%{-webkit-transform:rotate(-.6deg);transform:rotate(-.6deg)}to{-webkit-transform:rotate(0deg);transform:rotate(0deg)}}@-webkit-keyframes introRotateY{0%{opacity:0;-webkit-transform:rotateY(75deg) scaleX(.9);transform:rotateY(75deg) scaleX(.9)}75%{opacity:1;-webkit-transform:rotateY(-6deg) scaleX(1.01);transform:rotateY(-6deg) scaleX(1.01)}to{opacity:1;-webkit-transform:rotateY(0deg) scaleX(1);transform:rotateY(0deg) scaleX(1)}}@keyframes introRotateY{0%{opacity:0;-webkit-transform:rotateY(75deg) scaleX(.9);transform:rotateY(75deg) scaleX(.9)}75%{opacity:1;-webkit-transform:rotateY(-6deg) scaleX(1.01);transform:rotateY(-6deg) scaleX(1.01)}to{opacity:1;-webkit-transform:rotateY(0deg) scaleX(1);transform:rotateY(0deg) scaleX(1)}}*,:after,:before{-webkit-box-sizing:border-box;box-sizing:border-box}blockquote,body,dd,dl,figure,h1,h2,h3,h4,p{margin:0;padding:0}ol[role=list],ul[role=list]{list-style:none}body,html{-webkit-font-feature-settings:"palt";-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-feature-settings:"palt";font-family:游ゴシック,YuGothic,ヒラギノ角ゴ Pro,Hiragino Kaku Gothic Pro,メイリオ,Meiryo,Osaka,ＭＳ Ｐゴシック,MS PGothic,sans-serif;font-size:18px;font-size:clamp(14px,1.4vw,18px);font-weight:500;position:relative}body.js-loadingAction,html.js-loadingAction{overflow:hidden}html{scrollbar-gutter:stable}html[focus-within]{scroll-behavior:smooth}html:focus-within{scroll-behavior:smooth}body{line-height:1.5;min-height:100vh;text-rendering:optimizeSpeed}a:not([class]){-webkit-text-decoration-skip:ink;text-decoration-skip-ink:auto}img,picture{max-width:100%;-o-object-fit:cover;object-fit:cover}button,input,select,textarea{font:inherit}ol,ul{margin:0;padding:0}ol li,ul li{list-style-type:none}body{height:100vh;position:relative}.no-scroll{overflow:hidden}#loading{height:100%;position:fixed;text-align:center}#loading,#loading #loading_text{color:#fff;width:100%;z-index:999}#loading #loading_text{left:50%;position:absolute;top:80%;-webkit-transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}#loading .loading_logo{height:100%;left:0;position:absolute;top:0;width:100%}#loading .loading_logo:before{background-image:url(/images/ja/special/15th_anniversary/logo_15thanniversary.png?v=20260423174800);background-position:50% 50%;background-repeat:no-repeat;background-size:50%;content:"";display:block;-webkit-filter:grayscale(100%);filter:grayscale(100%);height:100%;mix-blend-mode:screen;opacity:.4;position:absolute;width:100%;z-index:1}#loading .loader_cover{background-color:#ae1515;height:51%;overflow:hidden;-webkit-transform:scaleY(1);-ms-transform:scaleY(1);transform:scaleY(1);-webkit-transition:all .2s cubic-bezier(.04,.435,.315,.9);transition:all .2s cubic-bezier(.04,.435,.315,.9);width:100%}#loading .loader_cover-up{-webkit-transform-origin:center top;-ms-transform-origin:center top;transform-origin:center top}#loading .loader_cover-down{bottom:0;position:absolute;-webkit-transform-origin:center bottom;-ms-transform-origin:center bottom;transform-origin:center bottom}#loading .coveranime{-webkit-transform:scaleY(0);-ms-transform:scaleY(0);transform:scaleY(0)}.js-animation{opacity:0;-webkit-transform:translateY(60px);-ms-transform:translateY(60px);transform:translateY(60px);-webkit-transition:all 1s;transition:all 1s;visibility:hidden}.js-animation.is-show{opacity:1;-webkit-transform:translateY(0);-ms-transform:translateY(0);transform:translateY(0);visibility:visible}.navigation{-webkit-overflow-scrolling:touch;height:0;left:0;position:fixed;right:0;top:0;-webkit-transition:background-color .5s ease;transition:background-color .5s ease;width:100%;z-index:6}.navigation img{display:none}.navigation_inner{height:0;width:100%}.navigation_header .toggle{background:#ae1515;border:3px solid #ffd3e0;border-radius:60px;-webkit-box-shadow:0 5px 0 -3px #630505;box-shadow:0 5px 0 -3px #630505;cursor:pointer;height:60px;margin-left:auto;position:relative;right:.4rem;top:.6rem;width:60px}.navigation_header .toggle span{border-bottom:4px solid #fff;display:block;margin:13px;position:absolute;-webkit-transition:opacity .35s ease-in-out,-webkit-transform .35s ease-in-out;transition:opacity .35s ease-in-out,-webkit-transform .35s ease-in-out;transition:transform .35s ease-in-out,opacity .35s ease-in-out;transition:transform .35s ease-in-out,opacity .35s ease-in-out,-webkit-transform .35s ease-in-out;width:26px}.navigation_header .toggle span:first-child{top:2px}.navigation_header .toggle span:nth-child(2){top:11px}.navigation_header .toggle span:nth-child(3){top:20px}.navigation_header .toggle:hover{-webkit-box-shadow:0 6px 0 -3px rgba(183,229,247,0);box-shadow:0 6px 0 -3px rgba(183,229,247,0);-webkit-filter:brightness(1.2);filter:brightness(1.2);position:relative;top:.6rem}.navigation_header .toggle.active span:first-child{top:12px;-webkit-transform:rotate(-45deg);-ms-transform:rotate(-45deg);transform:rotate(-45deg)}.navigation_header .toggle.active span:nth-child(2){display:none}.navigation_header .toggle.active span:nth-child(3){top:12px;-webkit-transform:rotate(45deg);-ms-transform:rotate(45deg);transform:rotate(45deg)}.navigation_list{list-style:none;padding:0;-webkit-transition:opacity .5s ease-out;transition:opacity .5s ease-out}.navigation_list .link{-webkit-box-pack:center;-ms-flex-pack:center;background-color:#ae1515;border-bottom:1px solid rgba(0,0,0,.416);justify-content:center}.navigation_list .link,.navigation_list .link a{-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex}.navigation_list .link a{grid-gap:0 4px;color:#fff;font-size:18px;font-size:clamp(14px,1.4vw,18px);font-weight:700;gap:0 4px;min-height:50px;padding:.8rem .4rem .8rem 1rem;text-align:left;text-decoration:none;width:100%}.navigation_list .link a:after{color:#fff;content:"";content:"▶";display:block;margin-left:auto;padding:0 .1rem}.navigation_list .link a:hover,.navigation_list .link.active a{background-color:rgba(216,49,15,.8)}.navigation_list .link.new{position:relative}.navigation_list .link.new a{padding:.8rem .4rem}.navigation_list .link.new a:before{background-image:url(/images/ja/special/15th_anniversary/icon_new.png?v=20260423174800);background-position:50%;background-repeat:no-repeat;background-size:contain;content:"";display:block;height:100%;max-height:26px;max-width:38.6px;min-height:21.6666666667px;min-width:32.1666666667px;width:100%}.navigation_list .link.end{background-color:#6f6f6f}.navigation_list .link.end a{padding:.8rem .4rem}.navigation_list .link.end a:before{background-color:hsla(0,0%,66%,.9);border:1px solid #858585;border-radius:5px;color:#fff;content:"終了";display:block;font-weight:700;max-width:-webkit-fit-content;max-width:-moz-fit-content;max-width:fit-content;max-width:48.25px;text-align:center;width:100%}.navigation_list .link.end a.active,.navigation_list .link.end a:hover{background-color:rgba(63,60,59,.4)}.navigation_menu{margin:auto;max-width:95%;opacity:0;pointer-events:auto;position:relative;top:6%;-webkit-transform:translateY(-100%);-ms-transform:translateY(-100%);transform:translateY(-100%);-webkit-transition:opacity .5s ease-out,visibility .5s ease-out,-webkit-transform .5s ease-out;transition:opacity .5s ease-out,visibility .5s ease-out,-webkit-transform .5s ease-out;transition:transform .5s ease-out,opacity .5s ease-out,visibility .5s ease-out;transition:transform .5s ease-out,opacity .5s ease-out,visibility .5s ease-out,-webkit-transform .5s ease-out;visibility:hidden;z-index:2}.navigation_menu.open{opacity:1;-webkit-transform:translateY(10%);-ms-transform:translateY(10%);transform:translateY(10%);visibility:visible}.navigation_menu.open .navigation_list{display:block;opacity:1}.navigation_menu.closing{opacity:0}.navigation_menu.closing .navigation_list{-webkit-transition:opacity .5s ease-out;transition:opacity .5s ease-out}.navigation.open_h{background-color:rgba(0,7,32,.6);height:100%;overflow-x:hidden;pointer-events:auto}.navigation.open_h .navigation_inner{height:100%}.header{-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-box-pack:justify;-ms-flex-pack:justify;background-image:url(/images/ja/special/15th_anniversary/header_pattern2.png?v=20260423174800),url(/images/ja/special/15th_anniversary/header_parts1.png?v=20260423174800),url(/images/ja/special/15th_anniversary/header_pattern1.png?v=20260423174800);background-position:50% .4%,50% 50%,50% 50%;background-repeat:repeat-x,no-repeat,repeat-x;background-size:47px,cover,cover;display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column;justify-content:space-between;overflow:hidden;position:relative;width:100%}.header_inner{display:grid;grid-template-columns:1fr;grid-template-rows:1fr auto;margin:0 auto;max-width:980px;padding:8% 0 2%;width:100%}.header_inner-logo{bottom:8vw;grid-area:2/1/3/2;height:100%;margin:auto;max-width:66.6666666667%;position:relative;width:100%;z-index:3}.header_inner-img{display:grid;grid-area:1/1/3/2;grid-template-columns:.6fr 1.4fr .6fr;grid-template-rows:3fr 1fr}.header_inner-img--bg{grid-area:1/1/3/4;left:3%;margin:auto;max-width:85%;position:relative}.header_inner-img--bg1,.header_inner-img--bg2,.header_inner-img--bg3,.header_inner-img--bg4,.header_inner-img--bg5{display:block;width:100%}.header_inner-img--bg1{max-width:152.25px;position:absolute;right:70%;top:0}.header_inner-img--bg2{position:relative;z-index:1}.header_inner-img--bg3{left:60%;max-width:169.25px;position:absolute;top:0}.header_inner-img--bg4{max-width:194.25px;position:absolute;right:70%;top:0}.header_inner-img--bg5{left:60%;max-width:168.25px;position:absolute;top:0}.header_inner-img--center{-webkit-box-pack:center;-ms-flex-pack:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;grid-area:1/2/2/3;justify-content:center;position:relative;top:6%;z-index:2}.header_inner-img .chara_prime{display:block;opacity:0;position:relative;top:5%}.header_inner-img .chara_ramune{display:block;opacity:0;position:relative;right:2%;top:6%}.header_inner-img .chara_toreta{display:block;opacity:0}.header_inner-img--left{grid-area:2/1/3/2;position:relative;z-index:2}.header_inner-img .chara_mouhu{display:block;opacity:0;position:relative}.header_inner-img--right{grid-area:2/3/3/4;position:relative;z-index:2}.header_inner-img .chara_tiga{display:block;left:2vw;opacity:0;position:relative}.header .logo{display:block;opacity:0}.header_marquee{-webkit-box-align:center;-ms-flex-align:center;align-items:center;background:#d8001e;color:#fff;display:-webkit-box;display:-ms-flexbox;display:flex;font-family:游明朝,YuMincho,Hiragino Mincho ProN W3,ヒラギノ明朝 ProN W3,Hiragino Mincho ProN,HG明朝E,ＭＳ Ｐ明朝,ＭＳ 明朝,"serif";height:40px;line-height:40px;overflow:hidden;position:relative;white-space:nowrap;width:100%;z-index:3}.header_marquee-list{-webkit-animation:flowing 35s linear infinite;animation:flowing 35s linear infinite;display:inline-block;font-size:20px;list-style:none;margin:0;padding:0;white-space:nowrap}.header_marquee-item{display:inline-block;padding-right:10px}.header_marquee-item p span{color:#fffc00;font-weight:600}.js-header-intro .header_inner-img--bg1,.js-header-intro .header_inner-img--bg2,.js-header-intro .header_inner-img--bg3,.js-header-intro .header_inner-img--bg4,.js-header-intro .header_inner-img--bg5{opacity:0;-webkit-transform:translateY(20px);-ms-transform:translateY(20px);transform:translateY(20px)}.js-header-intro.is-show .header_inner-img--bg1,.js-header-intro.is-show .header_inner-img--bg2,.js-header-intro.is-show .header_inner-img--bg3,.js-header-intro.is-show .header_inner-img--bg4,.js-header-intro.is-show .header_inner-img--bg5{opacity:1;-webkit-transform:none;-ms-transform:none;transform:none}.js-header-intro.is-show .header_inner-img--bg1,.js-header-intro.is-show .header_inner-img--bg3{-webkit-animation:softBlink 2.5s ease-in-out infinite;animation:softBlink 2.5s ease-in-out infinite}.js-header-intro.is-show .header_inner-img--bg4,.js-header-intro.is-show .header_inner-img--bg5{-webkit-animation:fadeUp .6s ease-out forwards,floatSoft 4s ease-in-out .6s infinite;animation:fadeUp .6s ease-out forwards,floatSoft 4s ease-in-out .6s infinite;-webkit-transform-origin:center;-ms-transform-origin:center;transform-origin:center;will-change:transform}.js-header-intro.is-show .chara_ramune{-webkit-animation-delay:0s;-webkit-animation:dropSmall .95s ease-out forwards;animation:dropSmall .95s ease-out forwards;animation-delay:0s}.js-header-intro.is-show .chara_ramune,.js-header-intro.is-show .chara_ramune img{-webkit-transform-origin:bottom center;-ms-transform-origin:bottom center;transform-origin:bottom center}.js-header-intro.is-show .chara_ramune img{-webkit-animation:swaySoft 3.6s ease-in-out infinite;-webkit-animation-delay:.95s;-webkit-animation-duration:3.8s;animation:swaySoft 3.6s ease-in-out infinite;animation-delay:.95s;animation-duration:3.8s}.js-header-intro.is-show .chara_prime{-webkit-animation-delay:.16s;-webkit-animation:dropSmall .95s ease-out forwards;animation:dropSmall .95s ease-out forwards;animation-delay:.16s}.js-header-intro.is-show .chara_prime,.js-header-intro.is-show .chara_prime img{-webkit-transform-origin:bottom center;-ms-transform-origin:bottom center;transform-origin:bottom center}.js-header-intro.is-show .chara_prime img{-webkit-animation:swaySoft 3.6s ease-in-out infinite;-webkit-animation-delay:1.2s;-webkit-animation-duration:4.2s;animation:swaySoft 3.6s ease-in-out infinite;animation-delay:1.2s;animation-duration:4.2s}.js-header-intro.is-show .chara_toreta{-webkit-animation-delay:.08s;-webkit-animation:dropNormal .85s ease-out forwards;animation:dropNormal .85s ease-out forwards;animation-delay:.08s}.js-header-intro.is-show .chara_toreta,.js-header-intro.is-show .chara_toreta img{-webkit-transform-origin:bottom center;-ms-transform-origin:bottom center;transform-origin:bottom center}.js-header-intro.is-show .chara_toreta img{-webkit-animation:swaySoft 4.8s ease-in-out infinite;-webkit-animation-delay:1.6s;-webkit-animation-duration:4.8s;animation:swaySoft 4.8s ease-in-out infinite;animation-delay:1.6s;animation-duration:4.8s}.js-header-intro.is-show .chara_mouhu{-webkit-animation-delay:.24s;-webkit-animation:dropNormal .85s ease-out forwards;animation:dropNormal .85s ease-out forwards;animation-delay:.24s}.js-header-intro.is-show .chara_mouhu,.js-header-intro.is-show .chara_mouhu img{-webkit-transform-origin:bottom center;-ms-transform-origin:bottom center;transform-origin:bottom center}.js-header-intro.is-show .chara_mouhu img{-webkit-animation:swaySoft 4.8s ease-in-out infinite;-webkit-animation-delay:1.3s;-webkit-animation-duration:4.5s;animation:swaySoft 4.8s ease-in-out infinite;animation-delay:1.3s;animation-duration:4.5s}.js-header-intro.is-show .chara_tiga{-webkit-animation-delay:.32s;-webkit-animation:dropNormal .85s ease-out forwards;animation:dropNormal .85s ease-out forwards;animation-delay:.32s}.js-header-intro.is-show .chara_tiga,.js-header-intro.is-show .chara_tiga img{-webkit-transform-origin:bottom center;-ms-transform-origin:bottom center;transform-origin:bottom center}.js-header-intro.is-show .chara_tiga img{-webkit-animation:swaySoft 4.8s ease-in-out infinite;-webkit-animation-delay:.93s;-webkit-animation-duration:5.1s;animation:swaySoft 4.8s ease-in-out infinite;animation-delay:.93s;animation-duration:5.1s}.js-header-intro.is-show .logo{-webkit-animation:introRotateY .8s ease-out forwards;animation:introRotateY .8s ease-out forwards;-webkit-backface-visibility:hidden;backface-visibility:hidden;display:block;-webkit-transform-origin:center center;-ms-transform-origin:center center;transform-origin:center center;-webkit-transform-style:preserve-3d;transform-style:preserve-3d;width:100%}.menu{background-image:url(/images/ja/special/15th_anniversary/event_pattern1.png?v=20260423174800);background-repeat:repeat;padding:8% 0 4%;position:relative}.menu:after{background-image:url(/images/ja/special/15th_anniversary/event_parts2.png?v=20260423174800),url(/images/ja/special/15th_anniversary/event_parts3.png?v=20260423174800),url(/images/ja/special/15th_anniversary/event_parts4.png?v=20260423174800);background-position:0 99%,70% 50%,0 99%;background-repeat:no-repeat,no-repeat,repeat-x;background-size:172px 549px,881px 709px,6px 3px;content:"";display:block;height:100%;left:0;position:absolute;top:0;width:100%}.menu_inner{margin:0 auto;position:relative;z-index:1}.menu_inner-subtitle{-webkit-box-pack:center;-ms-flex-pack:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;background-image:url(/images/ja/special/15th_anniversary/event_titleBg.png?v=20260423174800);background-position:50%;background-repeat:no-repeat;background-size:contain;color:#ff3d55;display:-webkit-box;display:-ms-flexbox;display:flex;font-family:游明朝,YuMincho,Hiragino Mincho ProN W3,ヒラギノ明朝 ProN W3,Hiragino Mincho ProN,HG明朝E,ＭＳ Ｐ明朝,ＭＳ 明朝,"serif";font-size:2.3rem;font-style:italic;height:100%;justify-content:center;min-height:75px;width:100%}.menu_inner-list{grid-gap:12px;display:grid;gap:12px;grid-template-columns:repeat(2,1fr);margin:0 auto;max-width:90%;padding:4% 0 10%}.menu_inner-list .link{background-color:#fffff8;background-image:url(/images/ja/special/15th_anniversary/event_parts1.png?v=20260423174800);background-position:100% 110%;background-repeat:no-repeat;border:4px solid #fffff8;border-radius:4px;-webkit-box-shadow:0 3px 0 0 #857100;box-shadow:0 3px 0 0 #857100;outline:2px dashed #938e2c;outline-offset:-4px;-webkit-transform:translateY(0);-ms-transform:translateY(0);transform:translateY(0);-webkit-transition:-webkit-transform .5s ease;transition:-webkit-transform .5s ease;transition:transform .5s ease;transition:transform .5s ease,-webkit-transform .5s ease}.menu_inner-list .link:hover{-webkit-box-shadow:0 1px 0 0 #857100;box-shadow:0 1px 0 0 #857100;-webkit-filter:brightness(1.1);filter:brightness(1.1);-webkit-transform:translateY(1px);-ms-transform:translateY(1px);transform:translateY(1px);-webkit-transition:-webkit-transform .3s ease;transition:-webkit-transform .3s ease;transition:transform .3s ease;transition:transform .3s ease,-webkit-transform .3s ease}.menu_inner-list .link a{grid-gap:5px 0;color:#706d32;display:grid;font-size:clamp(1rem,1vw,15px);gap:5px 0;grid-template-columns:1fr;grid-template-rows:auto 1fr;height:100%;line-height:normal;padding:.4em;position:relative;text-decoration:none;width:100%}.menu_inner-list .link.new a:after{background-image:url(/images/ja/special/15th_anniversary/icon_new.png?v=20260423174800);background-position:50%;background-repeat:no-repeat;background-size:contain;content:"";display:block;height:100%;left:-6%;max-height:21.6666666667px;max-width:32.1666666667px;position:absolute;top:-6%;width:100%}.menu_inner-list .link.end{cursor:default;-webkit-filter:grayscale(1);filter:grayscale(1)}.menu_inner-list .link.end a:after{background-color:hsla(0,0%,66%,.9);border:1px solid #858585;border-radius:5px;color:#fff;content:"終了しました";content:var(--label-end);display:block;font-weight:700;left:-5px;max-width:-webkit-fit-content;max-width:-moz-fit-content;max-width:fit-content;padding:1% 2%;position:absolute;top:-5px;width:100%}.message{background-attachment:local,local,local,fixed;background-image:url(/images/ja/special/15th_anniversary/message_pattern3.svg?v=20260423174800),url(/images/ja/special/15th_anniversary/message_pattern2.svg?v=20260423174800),url(/images/ja/special/15th_anniversary/message_parts1.png?v=20260423174800),url(/images/ja/special/15th_anniversary/message_pattern1.png?v=20260423174800);background-position:50% 100%,50% 0,50% 50%,50% 50%;background-repeat:repeat-x,repeat-x,no-repeat,repeat;background-size:20px,20px,contain,contain;padding:8% 0;position:relative}.message_inner{background-image:url(/images/ja/special/15th_anniversary/message_parts3.png?v=20260423174800),url(/images/ja/special/15th_anniversary/message_parts2.png?v=20260423174800);background-position:50% 100%,50% 0;background-repeat:no-repeat,no-repeat;background-size:98%,98%;margin:0 auto;padding:12% 0}.message_inner-wrapper{color:#760f1b;margin:0 auto;max-width:96%}.message_inner-subtitle{-webkit-box-pack:center;-ms-flex-pack:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;background-image:url(/images/ja/special/15th_anniversary/message_titleBg.png?v=20260423174800);background-position:50%;background-repeat:no-repeat;background-size:contain;color:#fff;display:-webkit-box;display:-ms-flexbox;display:flex;font-family:游明朝,YuMincho,Hiragino Mincho ProN W3,ヒラギノ明朝 ProN W3,Hiragino Mincho ProN,HG明朝E,ＭＳ Ｐ明朝,ＭＳ 明朝,"serif";font-size:2.3rem;font-style:italic;height:100%;justify-content:center;min-height:75px;width:100%}.message_inner article{grid-gap:30px 0;gap:30px 0}.message_inner article,.message_inner-box{-webkit-box-orient:vertical;-webkit-box-direction:normal;display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column}.message_inner-box{-webkit-box-pack:center;-ms-flex-pack:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;background-color:#fff9ec;border-radius:5px;font-size:clamp(1.2rem,1vw,15px);font-weight:700;justify-content:center;line-height:clamp(1.6rem,1vw,15px);margin:0 auto;max-width:90%;padding:4% 4% 3%;position:relative;text-align:center}.message_inner-box--stamp{display:block;margin:2% auto 0;max-width:16.6666666667%}.message_inner-box:after{border-bottom:0;border-left:25px solid transparent;border-right:25px solid transparent;border-top:30px #fff9ec;border-style:solid;content:"";display:block;height:0;position:absolute;top:100%;width:0}.message_inner-chara{margin:0 auto;max-width:83.3333333333%;width:100%}.main{overflow:hidden;padding:0 0 15%;position:relative}.main:before{-webkit-animation:bg-scroll-y 20s linear infinite;animation:bg-scroll-y 20s linear infinite;background-image:url(/images/ja/special/15th_anniversary/main_pattern1.png?v=20260423174800);background-position:0 0;background-repeat:repeat;background-size:contain;content:"";height:200vh;left:0;pointer-events:none;position:fixed;top:0;width:100vw;z-index:-1}@-webkit-keyframes bg-scroll-y{0%{-webkit-transform:translateY(0);transform:translateY(0)}to{-webkit-transform:translateY(-50%);transform:translateY(-50%)}}@keyframes bg-scroll-y{0%{-webkit-transform:translateY(0);transform:translateY(0)}to{-webkit-transform:translateY(-50%);transform:translateY(-50%)}}.main_inner{margin:0 auto;padding-top:4%}.main_inner-subtitle{-webkit-box-pack:center;-ms-flex-pack:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center;background-image:url(/images/ja/special/15th_anniversary/main_titleBg.png?v=20260423174800);background-position:50%;background-repeat:no-repeat;background-size:contain;color:#ff3d55;display:-webkit-box;display:-ms-flexbox;display:flex;font-family:游明朝,YuMincho,Hiragino Mincho ProN W3,ヒラギノ明朝 ProN W3,Hiragino Mincho ProN,HG明朝E,ＭＳ Ｐ明朝,ＭＳ 明朝,"serif";font-size:2.3rem;font-style:italic;height:100%;justify-content:center;min-height:75px;width:100%}.main_inner article{margin-bottom:10%;position:relative}.main_inner article:last-child{margin-bottom:0}.main_inner article.end{-webkit-filter:grayscale(1);filter:grayscale(1);pointer-events:none}.main_inner article.end:first-of-type{margin-top:2%}.main_inner article.end .inner{position:relative}.main_inner article.end .inner:after{background-color:hsla(0,0%,66%,.9);border:1px solid #858585;border-radius:5px;color:#fff;content:"終了しました";content:var(--label-end);display:block;font-weight:700;left:-5px;max-width:-webkit-fit-content;max-width:-moz-fit-content;max-width:fit-content;padding:1% 2%;position:absolute;top:-5px;width:100%}.main_inner article.new:after{background-image:url(/images/ja/special/15th_anniversary/icon_new.png?v=20260423174800);background-position:50%;background-repeat:no-repeat;background-size:contain;content:"";display:block;height:100%;left:1%;max-height:38.2352941176px;max-width:56.7647058824px;position:absolute;top:-.3%;width:100%}.main_inner article.new:first-of-type{margin-top:4%}.main .inner{background-color:#fff;background-image:url(/images/ja/special/15th_anniversary/main_pattern3.png?v=20260423174800),url(/images/ja/special/15th_anniversary/main_pattern2.png?v=20260423174800);background-position:1% 0,99% 0;background-repeat:repeat-y,repeat-y;background-size:14.5833333333px,14.5833333333px;border:4px solid #fff;border-radius:10px;font-size:clamp(1.1rem,1vw,15px);line-height:normal;outline:2px dashed #ff95a2;outline-offset:-6px;padding:4% 8%}.main .inner-wrapper{color:#760f1b;margin:0 auto;max-width:96%}.main .inner strong{font-size:clamp(1.05rem,1vw,15px)}.main .inner img{display:block;margin:.4rem auto!important;max-width:100%!important}.main .inner img+br{display:none}.main .inner a{word-wrap:break-word}.main .inner table{margin:0 auto;max-width:100%;overflow-x:auto;width:100%}.main .inner h3{background-color:#ff7383;border-bottom:2px solid #760f1b;color:#fff;padding:2%}.main .inner h3:first-of-type{background-color:#ff3d55;border:4px solid #ff3d55;border-radius:4px;color:#fff;font-size:clamp(1.2rem,1vw,15px);font-weight:700;line-height:clamp(1.6rem,1.4vw,20px);margin-bottom:3%;outline:2px dashed #ff95a2;outline-offset:-4px;padding:.4em .8rem;position:relative;width:100%}.main .inner h3:not(:first-of-type){font-size:clamp(1.1rem,1vw,15px);margin:3% 0}.main .inner h3:not(:first-of-type)+br{display:none}.main .inner h4{border-bottom:1px solid #760f1b;margin:3% 0 1%;width:100%}.main .inner h4+br{display:block;margin-bottom:2%}.main .inner h4+br+b+br+br{display:none}.main .inner b+br+a{display:block;margin-bottom:1%}.main .inner b+br+a+br+br{display:none}.footer{background-image:url(/images/ja/special/15th_anniversary/footer_pattern1.png?v=20260423174800);background-position:50%;background-repeat:repeat;background-size:contain;padding:0 0 14%;position:relative}.footer_inner{-webkit-box-orient:vertical;-webkit-box-direction:normal;-webkit-box-align:center;-ms-flex-align:center;grid-gap:1rem 0;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-direction:column;flex-direction:column;gap:1rem 0;margin:0 auto;max-width:800px;max-width:90%}.footer_social{max-width:780px;width:100%}.footer_social .topic_share_area{font-size:1rem}.footer_social .topic_share_area li a{text-decoration:none}.footer_social .topic_share_area li:hover{-webkit-filter:brightness(1.2);filter:brightness(1.2)}.footer_links{grid-gap:0 10px;display:grid;gap:0 10px;grid-template-columns:repeat(2,1fr);margin:.4rem auto;width:100%}.footer_links-link{-webkit-box-pack:center;-ms-flex-pack:center;-webkit-box-align:center;-ms-flex-align:center;grid-gap:10px 0;align-items:center;background-color:#ffdc7d;border:4px solid #ffdc7d;border-radius:60px;-webkit-box-shadow:0 2px 0 0 #857100;box-shadow:0 2px 0 0 #857100;color:#857100;display:-webkit-box;display:-ms-flexbox;display:flex;font-weight:700;gap:10px 0;justify-content:center;outline:2px dashed #857100;outline-offset:-6px;padding:.4em 1em;text-decoration:none;-webkit-transform:translateY(0);-ms-transform:translateY(0);transform:translateY(0);-webkit-transition:-webkit-transform .5s ease;transition:-webkit-transform .5s ease;transition:transform .5s ease;transition:transform .5s ease,-webkit-transform .5s ease;width:100%}.footer_links-link:after{content:"";content:"▶";display:block}.footer_links-link:hover{-webkit-box-shadow:0 1px 0 0 #857100;box-shadow:0 1px 0 0 #857100;-webkit-filter:brightness(1.1);filter:brightness(1.1);-webkit-transform:translateY(1px);-ms-transform:translateY(1px);transform:translateY(1px);-webkit-transition:-webkit-transform .3s ease;transition:-webkit-transform .3s ease;transition:transform .3s ease;transition:transform .3s ease,-webkit-transform .3s ease}.footer_prime{-webkit-box-orient:vertical;-webkit-box-direction:normal;background:#fff;border-radius:.4em;-ms-flex-direction:column;flex-direction:column;padding:.5em .5em .7em}.footer_prime,.footer_prime-link{-webkit-box-align:center;-ms-flex-align:center;grid-gap:10px 0;align-items:center;display:-webkit-box;display:-ms-flexbox;display:flex;gap:10px 0}.footer_prime-link{-webkit-box-pack:center;-ms-flex-pack:center;background-color:#ffdc7d;border:4px solid #ffdc7d;border-radius:60px;-webkit-box-shadow:0 2px 0 0 #857100;box-shadow:0 2px 0 0 #857100;color:#857100;font-weight:700;justify-content:center;outline:2px dashed #857100;outline-offset:-6px;padding:.4em 1em;text-decoration:none;-webkit-transform:translateY(0);-ms-transform:translateY(0);transform:translateY(0);-webkit-transition:-webkit-transform .5s ease;transition:-webkit-transform .5s ease;transition:transform .5s ease;transition:transform .5s ease,-webkit-transform .5s ease;width:100%}.footer_prime-link:after{content:"";content:"▶";display:block}.footer_prime-link:hover{-webkit-box-shadow:0 1px 0 0 #857100;box-shadow:0 1px 0 0 #857100;-webkit-filter:brightness(1.1);filter:brightness(1.1);-webkit-transform:translateY(1px);-ms-transform:translateY(1px);transform:translateY(1px);-webkit-transition:-webkit-transform .3s ease;transition:-webkit-transform .3s ease;transition:transform .3s ease;transition:transform .3s ease,-webkit-transform .3s ease}.footer_copyright{color:#fff;text-align:center}.footer .scroll-top{background:none;border:none;bottom:1em;color:transparent;cursor:pointer;display:block;height:61.3333333333px;opacity:0;position:fixed;right:1rem;-webkit-transform:translateY(100px);-ms-transform:translateY(100px);transform:translateY(100px);-webkit-transition:opacity .5s,-webkit-transform .5s;transition:opacity .5s,-webkit-transform .5s;transition:opacity .5s,transform .5s;transition:opacity .5s,transform .5s,-webkit-transform .5s;width:58.6666666667px;z-index:3}.footer .scroll-top:before{content:""}.footer .scroll-top:hover{bottom:.98rem;-webkit-filter:brightness(1.2);filter:brightness(1.2)}.footer .scroll-top.UpBtn{-webkit-animation:fuwafuwa 3s ease-in-out infinite alternate;animation:fuwafuwa 3s ease-in-out infinite alternate;opacity:1;-webkit-transform:translateY(0);-ms-transform:translateY(0);transform:translateY(0)}.footer .scroll-top.DownBtn{opacity:0;-webkit-transform:translateY(100px);-ms-transform:translateY(100px);transform:translateY(100px)}.topic_share_area{grid-gap:10px;display:grid;grid-template-columns:1fr 1fr;padding:0 10px}.social_follow_area,.social_share_area{margin:auto;max-width:450px;width:100%}.social_follow_area h3,.social_share_area h3{color:#fff;font-weight:600;padding:10px;text-align:center}.social_follow_list,.social_share_list{display:grid;grid-template-columns:1fr;margin:auto;width:50%}.social_follow_list li a,.social_share_list li a{color:#fff;display:block;font-size:20px;padding:4px;text-align:center}.social_follow_list{grid-template-columns:1fr 1fr 1fr 1fr}.sp .social_follow li,.sp .social_share li{height:50px}.sns_facebook{background:#3b5998;border-radius:3px;-webkit-box-shadow:0 2px 0 0 #124f81;box-shadow:0 2px 0 0 #124f81;margin:3%}.sns_facebook:hover{-webkit-box-shadow:0 6px 0 -3px rgba(183,229,247,0);box-shadow:0 6px 0 -3px rgba(183,229,247,0);-webkit-filter:brightness(1.2);filter:brightness(1.2);position:relative;top:1px}.sns_x{background:#303030;border-radius:3px;-webkit-box-shadow:0 2px 0 0 #090909;box-shadow:0 2px 0 0 #090909;margin:3%}.sns_x:hover{-webkit-box-shadow:0 6px 0 -3px rgba(183,229,247,0);box-shadow:0 6px 0 -3px rgba(183,229,247,0);-webkit-filter:brightness(1.2);filter:brightness(1.2);position:relative;top:1px}.sns_instagram{background:linear-gradient(135deg,#427eff,#f13f79 70%) no-repeat;border-radius:3px;-webkit-box-shadow:0 2px 0 0 #c32055;box-shadow:0 2px 0 0 #c32055;display:inline-block;margin:3%;overflow:hidden;position:relative}.sns_instagram:hover{-webkit-box-shadow:0 6px 0 -3px rgba(183,229,247,0);box-shadow:0 6px 0 -3px rgba(183,229,247,0);-webkit-filter:brightness(1.2);filter:brightness(1.2);position:relative;top:1px}.sns_instagram:before{background:radial-gradient(#ffdb2c 10%,rgba(255,105,34,.65) 55%,rgba(255,88,96,0) 70%);content:"";height:60px;left:-18px;position:absolute;top:23px;width:60px}.sns_youtube{background:#c4302b;border-radius:3px;-webkit-box-shadow:0 2px 0 0 #94024d;box-shadow:0 2px 0 0 #94024d;margin:3%}.sns_youtube:hover{-webkit-box-shadow:0 6px 0 -3px rgba(183,229,247,0);box-shadow:0 6px 0 -3px rgba(183,229,247,0);-webkit-filter:brightness(1.2);filter:brightness(1.2);position:relative;top:1px}@font-face{font-family:icomoon;font-style:normal;font-weight:400;src:url(/font/icomoon.eot?v=20260423174800);src:url(/font/icomoon.ttf?v=20260423174800) format("truetype")}[class*=" icon-"],[class^=icon-]{speak:none;-webkit-font-feature-settings:normal;font-feature-settings:normal;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:icomoon!important;font-style:normal;font-variant:normal;font-weight:400;line-height:1;text-transform:none}.icon-feedly,.icon-hatenabook{font-family:icomoon!important}.fa-x:before{content:"𝕏";font-family:unset;font-weight:700}@media (prefers-reduced-motion:reduce){*,:after,:before{-webkit-animation-duration:.01ms!important;animation-duration:.01ms!important;-webkit-animation-iteration-count:1!important;animation-iteration-count:1!important;scroll-behavior:auto!important;-webkit-transition-duration:.01ms!important;transition-duration:.01ms!important}html[focus-within]{scroll-behavior:auto}html:focus-within{scroll-behavior:auto}}@media screen and (min-width:780px){#loading .loading_logo:before{background-size:33.3333333333%}.header_inner{max-width:-webkit-fit-content;max-width:-moz-fit-content;max-width:fit-content;padding:1% 0 0}.menu{padding:2% 0 1%}.menu_inner{max-width:1280px}.menu_inner-subtitle{min-height:120px}.menu_inner-list{grid-gap:20px 14px;gap:20px 14px;grid-template-columns:repeat(4,1fr);padding:2% 0 6%}.menu_inner-list .link.new a:after{left:-3%;max-height:32.5px;max-width:48.25px}.footer{padding:1% 0 3%}.footer_inner{max-width:780px}.footer .scroll-top{height:92px;width:88px}}@media screen and (min-width:980px){.navigation_menu{max-width:1366px}.navigation_menu.open{-webkit-transform:translateY(15%);-ms-transform:translateY(15%);transform:translateY(15%)}.header{background-size:67.1428571429px,contain,contain}.header_inner-logo{bottom:4vw;left:.4vw;max-width:55.5555555556%}.header_inner-img--bg{max-width:70%}.header_inner-img--bg1{max-width:609px}.header_inner-img--bg3{left:60%;max-width:677px}.header_inner-img--bg4{max-width:647.5px;right:90%}.header_inner-img--bg5{left:90%;max-width:517.6923076923px}.menu:after{background-position:14% 99%,80% 50%,14% 99%}.menu_inner-list{grid-template-columns:repeat(4,1fr)}.message{padding:3% 0}.message_inner{max-width:980px;padding:3% 0}.main{padding-bottom:3.75%}.main:before{background-size:25%}.main_inner{max-width:980px}.main_inner article.new:after{left:3%}}@media screen and (min-width:500px) and (max-width:779px){.header_inner{padding:4% 0 1%}.menu{padding:4% 0 2%}.menu_inner-subtitle{min-height:120px}.menu_inner-list{grid-gap:14px;gap:14px;grid-template-columns:repeat(3,1fr);padding:3% 0 8%}.menu_inner-list .link.new a:after{max-height:26px;max-width:38.6px}.footer{padding:2% 0 7%}}@media screen and (min-width:500px) and (max-width:979px){.header_inner-logo{left:1vw;max-width:62.5%}.main:before{background-size:50%}}@media screen and (min-width:500px){.header_inner-img{grid-template-columns:.5fr 1.5fr .5fr}.header_inner-img--center{left:6%;max-width:90%;top:3%}.header_inner-img .chara_mouhu{bottom:70%;left:1vw}.header_inner-img .chara_tiga{bottom:70%}.menu_inner-subtitle,.message_inner-subtitle{font-size:3rem}.message{background-size:40px,40px,contain,contain}.message_inner{padding:6% 0}.message_inner-subtitle{min-height:120px}.main_inner-subtitle{font-size:3rem}.main{padding:0 0 7.5%}.main_inner-subtitle{min-height:120px}.main_inner article{margin-bottom:5%}.main_inner article.new:after{max-height:50px;max-width:74.2307692308px}.main .inner{background-size:35px,35px}}@media screen and (min-width:680px) and (max-width:980px){.header_inner-img--bg1{max-width:304.5px}.header_inner-img--bg3{max-width:338.5px}.header_inner-img--bg4{max-width:259px;right:74%}.header_inner-img--bg5{left:70%;max-width:224.3333333333px}}@media screen and (max-width:679px){.footer_social .topic_share_area{grid-template-columns:1fr!important}}