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a::before{content:"";position:absolute;bottom:0;left:0;width:100%;height:1px;background-color:#d9d9d9;transition:all .3s cubic-bezier(0.215, 0.61, 0.355, 1)}.index__nav ul li a::after{content:"";position:absolute;right:3px;bottom:50%;transform:translateY(50%) rotate(90deg);display:block;width:9px;height:15px;mask-image:url("../images/common/ico_arrow01.svg");mask-repeat:no-repeat;mask-position:center center;mask-size:9px;background:var(--colorOrange)}@media screen and (max-width:767px){.index__nav ul li a::after{right:.7692307692vw;width:2.3076923077vw;height:3.8461538462vw;mask-size:2.3076923077vw}}@media(hover: hover)and (pointer: fine){.index__nav ul li a:hover{color:var(--colorOrange)}.index__nav ul li a:hover::before{background-color:var(--colorOrange)}}.index .sec01{padding:160px 0 215px;margin-top:120px;background:rgba(0,0,0,0) url("../images/environment/bg01.jpg") 50% 0;background-size:100% 100%}@media screen and (max-width:1280px){.index .sec01{padding:12.4902419984vw 0 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(max-width:767px){.index .sec01__tabMenu ul li.current a{font-size:3.0769230769vw}}.index .sec01__tabMenu ul li.current a::after{opacity:0}.index .sec01__tabMenu ul li:nth-child(1) a{background:linear-gradient(to right bottom, #B8D0AE 0%, #D9F1D6 100%)}.index .sec01__tabMenu ul li:nth-child(2) a{background:linear-gradient(to right bottom, #BEEAC8 0%, #F1F9DA 100%)}.index .sec01__tabMenu ul li:nth-child(3) a{background:linear-gradient(to right bottom, #BFC8F4 0%, #E8EBFB 100%)}.index .sec01__box .image{width:100%}.index .sec01__box .btn{margin:110px auto 0;width:540px;height:96px}@media screen and (max-width:1280px){.index .sec01__box .btn{margin-top:8.5870413739vw;width:42.1545667447vw;height:7.4941451991vw}}@media screen and (max-width:767px){.index .sec01__box .btn{margin-top:10.2564102564vw;width:79.4871794872vw;height:25.641025641vw}}.index .sec01__box .btn a{position:relative;display:flex;align-items:center;width:100%;height:100%;padding:0 25px 0 40px;border:1px solid #000}@media screen and (max-width:1280px){.index .sec01__box .btn a{padding:0 1.9516003123vw 0 3.1225604996vw}}@media screen and (max-width:767px){.index .sec01__box .btn a{flex-direction:column;justify-content:center;gap:2.5641025641vw 0}}.index .sec01__box .btn a .logo{display:block}.index .sec01__box .btn a .logo.logo01{width:225px}@media screen and (max-width:1280px){.index .sec01__box .btn a .logo.logo01{width:17.5644028103vw}}@media screen and (max-width:767px){.index .sec01__box .btn a .logo.logo01{width:46.1538461538vw}}.index .sec01__box .btn a .logo.logo02{width:230px}@media screen and (max-width:1280px){.index .sec01__box .btn a .logo.logo02{width:17.9547228728vw}}@media screen and (max-width:767px){.index .sec01__box .btn a .logo.logo02{width:46.1538461538vw}}.index .sec01__box .btn a .logo.logo03{width:230px}@media screen and (max-width:1280px){.index .sec01__box .btn a .logo.logo03{width:17.9547228728vw}}@media screen and (max-width:767px){.index .sec01__box .btn a .logo.logo03{width:46.1538461538vw}}.index .sec01__box .btn a .txt{font-size:1.6rem;font-weight:700;line-height:1.8;text-align:center}@media screen and (max-width:1280px){.index .sec01__box .btn a .txt{font-size:1.2490241998vw}}@media print,screen and (min-width:768px){.index .sec01__box .btn a .txt{flex:1}}@media screen and (max-width:767px){.index .sec01__box .btn a .txt{display:flex;align-items:center;gap:0 2.0512820513vw;font-size:4.1025641026vw}}.index .sec01__box .btn a .ico{display:block;width:9px;height:15px;mask-image:url("../images/common/ico_arrow01.svg");mask-repeat:no-repeat;mask-position:center center;mask-size:9px;background:var(--colorOrange);transition:all .3s cubic-bezier(0.215, 0.61, 0.355, 1)}@media print,screen and (min-width:768px){.index .sec01__box .btn a .ico{position:absolute;right:18px;bottom:50%;transform:translateY(50%)}}@media screen and (min-width:768px)and (max-width:1400px){.index .sec01__box .btn a 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and (min-width:768px)and (max-width:1280px){.index .sec02__head{height:23.4192037471vw}}@media print,screen and (min-width:768px){.index .sec02__head.leftImage{justify-content:flex-end}.index .sec02__head.leftImage .image{left:calc(-1*(100svw - 1360px)/2);right:auto}}@media screen and (min-width:768px)and (max-width:1600px){.index .sec02__head.leftImage .image{left:calc(-1*(100svw - 100%)/2)}}@media screen and (max-width:767px){.index .sec02__head.leftImage .image{left:-5.1282051282vw}}@media print,screen and (min-width:768px){.index .sec02__head .image{position:absolute;bottom:0;right:calc(-1*(100svw - 1360px)/2);width:calc(640px + (100svw - 1360px)/2);line-height:0}}@media screen and (min-width:768px)and (max-width:1600px){.index .sec02__head .image{bottom:auto;top:-4.0599625234vw;right:calc(-1*(100svw - 100%)/2);width:47.4703310431vw;height:calc(100% + 4.0599625234vw)}}@media print,screen and (min-width:768px){.index .sec02__head .image 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