:root{--color-black:#000;--color-white:#fff;--color-gray:grey;--color-red:#c33;--color-bg-yellow:#e5b85c;--color-bg-green:#69bfa3;--color-bg-red:#e5a0a0;--color-bg-blue:#82add9;--color-bg-lightGray:#ccc;--color-bg-darkGray:#4d4d4d;--color-bg-error:#fee;--color-icon-yellow:#b29559;--color-icon-green:#5c9985;--color-icon-red:#b27d7d;--color-icon-blue:#7a8a99;--color-img-offWhite:#eee;--weight-regular:400;--weight-medium:500;--weight-semi-bold:600;--weight-bold:700;--weight-extra-bold:800;--weight-black:900;--underline-thickness:1px;--underline-offset:0.2em}.l-main_body{position:relative}.history_anchor{overflow-x:auto;opacity:0;position:fixed;z-index:10;right:0;bottom:10px;left:0;margin:0 auto;width:80.2777777778vw;max-width:-webkit-fit-content;max-width:-moz-fit-content;max-width:fit-content;transition:bottom .3s cubic-bezier(.25,.46,.45,.94),opacity .3s cubic-bezier(.25,.46,.45,.94);background-color:var(--color-black)}@media (min-width:900px){.history_anchor{width:21.5972222222vw;min-width:311px}}.history_anchor.is-show{opacity:1;transition:bottom .3s cubic-bezier(.25,.46,.45,.94),opacity .3s cubic-bezier(.25,.46,.45,.94)}.history_anchor.is-hidden{opacity:0;transition:bottom .3s cubic-bezier(.25,.46,.45,.94),opacity .16s cubic-bezier(.25,.46,.45,.94)}body:has(.l-header_cv.is-show) .history_anchor{bottom:clamp(82px,12.3333333333vw,111px)}@media (min-width:900px){body:has(.l-header_cv.is-show) .history_anchor{bottom:10px}}.history_anchor_list{display:flex;align-items:center;margin:0 auto;padding:4px 30px;width:-webkit-max-content;width:-moz-max-content;width:max-content;gap:20px}@media (min-width:900px){.history_anchor_list{padding:7px 30px}}.history_anchor_item>button{display:block;position:relative;color:var(--color-white);font-size:clamp(14px,1.1111111111vw,16px);font-weight:var(--weight-bold);line-height:1.8}.history_anchor_item>button.is-current:after{content:"";position:absolute;right:0;bottom:0;left:0;height:2px;background-color:var(--color-white)}.history_section{position:relative;margin:clamp(60px,8.3333333333vw,120px) 8.3333333333vw clamp(60px,8.3333333333vw,120px) 0}@media (min-width:900px){.history_section{-webkit-margin-end:8.3333333333vw;margin-inline-end:8.3333333333vw;-webkit-margin-start:0;margin-inline-start:0}}.history_section_bg{position:absolute;top:0;left:0;width:100%;height:100%}.history_section_bg._bg_01{background-color:var(--color-bg-blue)}.history_section_bg._bg_02{background-color:var(--color-bg-red)}.history_section_bg._bg_03{background-color:var(--color-bg-lightGray)}.history_section_bg._bg_04{background-color:var(--color-bg-green)}.history_section_bg._bg_05{background-color:var(--color-bg-yellow)}.history_section_inner{position:relative;padding:clamp(60px,8.3333333333vw,120px) 8.3333333333vw clamp(10px,4.1666666667vw,60px)}@media (min-width:900px){.history_section_inner{display:-ms-grid;display:grid;-ms-grid-columns:12.5vw 4.1666666667vw 1fr;grid-template-columns:12.5vw 1fr;gap:4.1666666667vw;padding-inline:8.3333333333vw}}.history_body{position:relative;margin-top:clamp(30px,6.6666666667vw,60px)}@media (min-width:900px){.history_body{margin-top:0}}.history_body:before{content:"";position:absolute;z-index:1;top:100%;left:10.8333333333vw;left:clamp(39px,4.0972222222vw,59px);width:2px;height:calc(clamp(60px, 8.3333333333vw, 120px)*3 + clamp(10px, 4.1666666667vw, 60px) + clamp(20px, 2.2222222222vw, 32px));background-color:var(--color-black)}@media (min-width:900px){.history_body:before{width:4px;height:calc(clamp(60px, 8.3333333333vw, 120px)*3)}}._last_section .history_body:before{display:none}.history_era{text-align:center;font-size:clamp(20px,2.2222222222vw,32px);font-weight:var(--weight-bold);line-height:1.6;font-variant-numeric:tabular-nums}@media (min-width:900px){.history_era{align-self:flex-start;position:sticky;top:clamp(60px,8.3333333333vw,120px);left:0;text-align:left}}.history_year{position:relative;z-index:1;padding-bottom:clamp(30px,2.7777777778vw,40px)}.history_year:before{content:"";position:absolute;top:0;left:10.8333333333vw;left:clamp(39px,4.0972222222vw,59px);width:2px;height:calc(100% + 10px);background-color:var(--color-black)}@media (min-width:900px){.history_year:before{width:4px}}.history_year_inner{display:-ms-grid;display:grid;position:relative;border-radius:50%;width:clamp(80px,8.3333333333vw,120px);height:clamp(80px,8.3333333333vw,120px);background-color:var(--color-black);place-items:center}.history_year_inner>span{color:var(--color-white);font-size:clamp(18px,1.6666666667vw,24px);font-weight:var(--weight-bold);line-height:1.6;font-variant-numeric:tabular-nums}.history_month_box{position:relative;padding-bottom:clamp(30px,2.7777777778vw,40px);padding-left:clamp(60px,6.9444444444vw,100px)}@media (min-width:900px){.history_month_box:has(.history_img){display:-ms-grid;display:grid;-ms-grid-columns:1fr 2.7777777778vw 16.6666666667vw;grid-template-columns:1fr 16.6666666667vw;gap:2.7777777778vw}}.history_month_box:before{content:"";position:absolute;top:calc(clamp(16px, 1.3888888889vw, 20px)/2);left:calc(clamp(40px, 4.1666666667vw, 60px) - clamp(10px, .9722222222vw, 14px)/2);border-radius:50%;width:clamp(10px,.9722222222vw,14px);height:clamp(10px,.9722222222vw,14px);background-color:var(--color-black)}@media (min-width:900px){.history_month_box:before{left:calc(clamp(40px, 4.1666666667vw, 60px) - clamp(10px, .9722222222vw, 14px)/2.5)}}.history_month_box:after{content:"";position:absolute;top:0;left:10.8333333333vw;left:clamp(39px,4.0972222222vw,59px);width:2px;height:calc(100% + 10px);background-color:var(--color-black)}@media (min-width:900px){.history_month_box:after{width:4px}}.history_month_box:last-child{padding-bottom:clamp(50px,4.1666666667vw,60px)}.history_month_box._last_month_box:after{display:none}.history_month_num{position:relative;font-size:clamp(16px,1.3888888889vw,20px);font-weight:var(--weight-bold);line-height:1.8}.history_txt_wrapper{display:flex;flex-direction:column;margin-top:10px;gap:10px}.history_txt{font-size:clamp(14px,1.1111111111vw,16px);font-weight:var(--weight-regular);line-height:1.8}.history_txt a{position:relative;text-decoration:underline}.history_txt a[target=_blank]:after{content:"";display:inline-block;margin:0 7px;width:14px;height:10px;background-color:var(--color-black);-webkit-mask:url(../img/common/icon/blank.svg) no-repeat center/contain;mask:url(../img/common/icon/blank.svg) no-repeat center/contain}@media (hover:hover) and (pointer:fine){.history_txt a:hover{text-decoration:none}}.history_img{position:relative;margin-top:clamp(20px,4.4444444444vw,40px);max-height:58.3333333333vw}@media (min-width:900px){.history_img{margin-top:0;max-height:16.6666666667vw}}.history_img img{display:block;width:100%;height:100%;max-height:inherit;-o-object-fit:contain;object-fit:contain}