:root{--color-primary: #282E67;--color-black: #1A1A16;--color-white: #FFF;--color-accent: #1C2CD9;--color-bg-cream: #F7F7F5;--color-bg-pale-blue: #E0E2F2;--color-bg-cell-blue: #EDF0FD;--color-bg-placeholder: #D7DAE5;--color-bg-gray: #8E9197;--color-bg-navy: #383A5D;--color-bg-navy-dark: #222448;--color-navy-deep: #24274C;--color-bg-darkest: #030737;--color-text-tagline: #8F8F87;--color-text-label: #9999AF;--color-text-body-gray: #6B6B63;--color-text-row-label: #2E2E28;--color-text-legacy: #4A4A43;--color-border-subtle: #D9D9D3;--font-en: "Montserrat", sans-serif;--font-ja: "Noto Sans JP", sans-serif;--font-mincho: "A1 Mincho", "Noto Serif JP", serif;--color-text-primary: #222;--color-text-secondary: #6E6E6E;--color-text-gray: #888;--color-bg-primary: #fff;--color-bg-secondary: #F5F5F5;--color-border-primary: #ccc;--color-border-form: #ddd;--color-border-focus: #579be9}html,body,div,span,applet,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,a,abbr,acronym,address,big,cite,code,del,dfn,em,font,img,ins,kbd,q,s,samp,small,strike,strong,sub,sup,tt,var,b,u,i,center,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,section,article,aside,hgroup,header,footer,nav,dialog,figure,menu,video,audio,mark,time,canvas,details{box-sizing:border-box;padding:0;margin:0;vertical-align:baseline;background:rgba(0,0,0,0);border:0}section,article,aside,hgroup,header,footer,main,nav,dialog,figure,figcaption{display:block}html{font-size:62.5%}body{line-height:1;text-size-adjust:100%;-webkit-print-color-adjust:exact}ol,ul{list-style:none}blockquote,q{quotes:none}blockquote::before,blockquote::after,q::before,q::after{content:"";content:none}:focus{outline-color:var(--color-border-focus)}ins{text-decoration:none}del{text-decoration:line-through}table{border-spacing:0;border-collapse:collapse}img{backface-visibility:hidden;vertical-align:bottom}b,strong,em{font-style:inherit;font-weight:inherit}html{font-size:10px}body{width:100%;font-family:var(--font-ja);font-size:1.6rem;font-weight:400;font-feature-settings:"palt";color:var(--color-text-primary)}*{word-break:normal !important;word-wrap:break-word;overflow-wrap:break-word;line-break:strict}*,*::before,*::after{box-sizing:border-box;word-break:break-all}a{color:inherit;text-decoration:none;transition:opacity .3s cubic-bezier(0.215, 0.61, 0.355, 1),transform .3s cubic-bezier(0.215, 0.61, 0.355, 1),color .3s cubic-bezier(0.215, 0.61, 0.355, 1)}a img,a .c-ico{transition:opacity .3s cubic-bezier(0.215, 0.61, 0.355, 1),transform .3s cubic-bezier(0.215, 0.61, 0.355, 1),color .3s cubic-bezier(0.215, 0.61, 0.355, 1)}img{width:100%;height:auto;vertical-align:bottom}iframe{vertical-align:bottom}.hover-alpha a:hover img{opacity:.7}::input-placeholder{padding-top:.2em;color:var(--color-text-gray)}:placeholder{color:var(--color-text-gray);opacity:1}::placeholder{color:var(--color-text-gray);opacity:1}:input-placeholder{color:var(--color-text-gray)}select,textarea,input[type=text],input[type=email],input[type=number],input[type=tel],button{box-sizing:border-box;padding:0;font-family:var(--font-ja);font-size:1.6rem;line-height:1;appearance:none;background:none;border:none;border-radius:0}input[type=number]{appearance:textfield}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{margin:0;appearance:none}input[type=text],input[type=email],input[type=tel]{box-sizing:border-box;width:100%;height:44px;padding:0 15px;font-size:1.6rem;line-height:44px;background:#fff;border:1px solid var(--color-border-form)}select{width:100%;height:44px;padding:0 40px 0 15px;font-size:1.6rem;cursor:pointer;background:#fff;border:1px solid var(--color-border-form)}select::-ms-expand{display:none}textarea{width:100%;padding:15px;font:inherit;font-size:1.6rem;line-height:1.5;resize:none;background:#fff;border:1px solid var(--color-border-form)}input[type=button],input[type=submit]{line-height:1;appearance:none;cursor:pointer;border:none}button{cursor:pointer}:where([id]){scroll-margin-top:6.4rem}.l-main{padding-top:6.4rem}.l-header{position:fixed;top:0;left:0;z-index:100;width:100%;height:6.4rem;font-feature-settings:normal;background-color:rgba(255,255,255,.95);backdrop-filter:blur(6px);border-bottom:1px solid var(--color-border-subtle)}.l-header__left{position:absolute;top:50%;left:max(2.4rem,50vw - 77.6rem);display:flex;gap:1.7rem;align-items:center;transform:translateY(-50%)}.l-header__logo{display:block;width:13.6rem;height:2.2rem}.l-header__logo img{display:block;width:100%;height:100%}.l-header__tagline{margin:0;font-family:var(--font-ja);font-size:1rem;font-weight:400;line-height:1;color:var(--color-text-tagline);white-space:nowrap}.l-header__right{position:absolute;top:50%;right:max(2.372rem,50vw - 77.628rem);display:flex;gap:3.2rem;align-items:center;transform:translateY(-50%)}.l-header__nav ul{display:flex;gap:1.6rem;align-items:center;padding:0;margin:0;list-style:none}.l-header__nav a{display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-ja);font-size:1.4rem;font-weight:400;line-height:1.68rem;color:var(--color-black);text-decoration:none;white-space:nowrap;transition:color .2s ease-out}.l-header__nav a:hover,.l-header__nav a:focus-visible{color:var(--color-accent)}.l-header__burger{display:none}.l-header__burger-line{display:block;width:6.1538461538vw;height:.3846153846vw;background-color:var(--color-black);border-radius:.2564102564vw;transition:opacity .2s ease-out}.l-inner{width:100%;max-width:128rem;padding:0 4rem;margin:0 auto}.l-drawer{display:none}.l-page--sticky-footer{display:flex;flex-direction:column;min-height:100vh}.l-page--sticky-footer .l-main{flex:1 0 auto}.c-btn{position:relative;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;font-family:var(--font-ja);text-align:center;text-decoration:none;cursor:pointer;border:none;border-radius:999px;transition:background-color .2s ease-out,color .2s ease-out}.c-btn:hover,.c-btn:focus-visible{color:var(--color-white);background-color:var(--color-accent)}.c-btn--primary{color:var(--color-white);background-color:var(--color-primary)}.c-btn--inverse{color:var(--color-primary);background-color:var(--color-white)}.c-btn--lg{width:36rem;height:7.6rem;padding:0 2.4rem;font-size:1.8rem;font-weight:600;line-height:1.4}.c-btn--sm{width:16rem;height:3.9rem;padding:0 1.2rem;font-size:1.3rem;font-weight:600;line-height:.9}.c-btn__arrow{position:absolute;top:50%;right:2.4rem;width:1.3rem;height:1rem;pointer-events:none;transform:translateY(-50%)}.p-footer{box-sizing:border-box;display:flex;align-items:center;justify-content:space-between;width:100%;height:7.4rem;padding:3.2rem max(8rem,50vw - 72rem);font-feature-settings:normal;background-color:var(--color-black)}.p-footer__nav{display:flex;gap:2.4rem;align-items:center}.p-footer__link{font-family:var(--font-ja);font-size:1.2rem;font-weight:400;line-height:1rem;color:var(--color-white);text-decoration:none;transition:opacity .2s ease-out}.p-footer__link:hover,.p-footer__link:focus-visible{opacity:.7}.p-footer__copy{margin:0;font-family:var(--font-ja);font-size:1rem;font-weight:400;line-height:1rem;color:var(--color-text-body-gray)}.u-ff-jp{font-family:var(--font-ja)}.u-fz-30{font-size:3rem !important}.u-fz-29{font-size:2.9rem !important}.u-fz-28{font-size:2.8rem !important}.u-fz-27{font-size:2.7rem !important}.u-fz-26{font-size:2.6rem !important}.u-fz-25{font-size:2.5rem !important}.u-fz-24{font-size:2.4rem !important}.u-fz-23{font-size:2.3rem !important}.u-fz-22{font-size:2.2rem !important}.u-fz-21{font-size:2.1rem !important}.u-fz-20{font-size:2rem !important}.u-fz-19{font-size:1.9rem !important}.u-fz-18{font-size:1.8rem !important}.u-fz-17{font-size:1.7rem !important}.u-fz-16{font-size:1.6rem !important}.u-fz-15{font-size:1.5rem !important}.u-fz-14{font-size:1.4rem !important}.u-fz-13{font-size:1.3rem !important}.u-fz-12{font-size:1.2rem !important}.u-fz-11{font-size:1.1rem !important}.u-fz-10{font-size:1rem !important}.u-fw-400{font-weight:400 !important}.u-fw-500{font-weight:500 !important}.u-fw-700{font-weight:700 !important}.u-fw-900{font-weight:900 !important}.u-td-ul{text-decoration:underline !important}.u-td-none{text-decoration:none !important}.u-ta-l{text-align:left !important}.u-ta-r{text-align:right !important}.u-ta-c{text-align:center !important}.u-va-t{vertical-align:top !important}.u-va-m{vertical-align:middle !important}.u-va-b{vertical-align:bottom !important}.u-bd{border:1px solid var(--color-border-primary) !important}.u-bd-t{border-top:1px solid var(--color-border-primary) !important}.u-bd-l{border-left:1px solid var(--color-border-primary) !important}.u-bd-b{border-bottom:1px solid var(--color-border-primary) !important}.u-bd-r{border-right:1px solid var(--color-border-primary) !important}.u-w-100{width:100% !important}.u-w-90{width:90% !important}.u-w-80{width:80% !important}.u-w-70{width:70% !important}.u-w-60{width:60% !important}.u-w-50{width:50% !important}.u-w-40{width:40% !important}.u-w-30{width:30% !important}.u-w-20{width:20% !important}.u-w-10{width:10% !important}.u-m-0{margin:0 !important}.u-m-auto{margin:auto !important}.u-mx-auto{margin-right:auto !important;margin-left:auto !important}.u-my-auto{margin-top:auto !important;margin-bottom:auto !important}.u-mt-0{margin-top:0 !important}.u-mt-5{margin-top:.5rem !important}.u-mt-10{margin-top:1rem !important}.u-mt-15{margin-top:1.5rem !important}.u-mt-20{margin-top:2rem !important}.u-mt-25{margin-top:2.5rem !important}.u-mt-30{margin-top:3rem !important}.u-mt-35{margin-top:3.5rem !important}.u-mt-40{margin-top:4rem !important}.u-mt-45{margin-top:4.5rem !important}.u-mt-50{margin-top:5rem !important}.u-mt-55{margin-top:5.5rem !important}.u-mt-60{margin-top:6rem !important}.u-mt-65{margin-top:6.5rem !important}.u-mt-70{margin-top:7rem !important}.u-mt-75{margin-top:7.5rem !important}.u-mt-80{margin-top:8rem !important}.u-mt-85{margin-top:8.5rem !important}.u-mt-90{margin-top:9rem !important}.u-mt-95{margin-top:9.5rem !important}.u-mt-100{margin-top:10rem !important}.u-mb-0{margin-bottom:0 !important}.u-mb-5{margin-bottom:.5rem !important}.u-mb-10{margin-bottom:1rem !important}.u-mb-15{margin-bottom:1.5rem !important}.u-mb-20{margin-bottom:2rem !important}.u-mb-25{margin-bottom:2.5rem !important}.u-mb-30{margin-bottom:3rem !important}.u-mb-35{margin-bottom:3.5rem !important}.u-mb-40{margin-bottom:4rem !important}.u-mb-45{margin-bottom:4.5rem !important}.u-mb-50{margin-bottom:5rem !important}.u-mb-55{margin-bottom:5.5rem !important}.u-mb-60{margin-bottom:6rem !important}.u-mb-65{margin-bottom:6.5rem !important}.u-mb-70{margin-bottom:7rem !important}.u-mb-75{margin-bottom:7.5rem !important}.u-mb-80{margin-bottom:8rem !important}.u-mb-85{margin-bottom:8.5rem !important}.u-mb-90{margin-bottom:9rem !important}.u-mb-95{margin-bottom:9.5rem !important}.u-mb-100{margin-bottom:10rem !important}.u-p-0{padding:0 !important}.u-pt-0{padding-top:0 !important}.u-pb-0{padding-bottom:0 !important}.u-vh{position:absolute !important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0, 0, 0, 0);white-space:nowrap;border:0}.u-br-sp{display:none}:root{--anim-duration: 0.6s;--anim-easing: cubic-bezier(0.16, 0.84, 0.44, 1);--anim-distance-y: 2.4rem;--anim-distance-x: 2.4rem;--anim-stagger-step: 80ms}.u-reveal{opacity:0;transition:opacity var(--anim-duration) var(--anim-easing),translate var(--anim-duration) var(--anim-easing);translate:0 var(--anim-distance-y);will-change:opacity,translate}.u-reveal.is-revealed{opacity:1;translate:0 0}.u-reveal--left{translate:calc(-1*var(--anim-distance-x)) 0}.u-reveal--right{translate:var(--anim-distance-x) 0}.u-reveal--down{translate:0 calc(-1*var(--anim-distance-y))}.u-reveal--stagger>*{opacity:0;transition:opacity var(--anim-duration) var(--anim-easing),translate var(--anim-duration) var(--anim-easing);transition-delay:calc(var(--stagger-index, 0)*var(--anim-stagger-step));translate:0 var(--anim-distance-y);will-change:opacity,translate}.u-reveal--stagger>*:nth-child(1){--stagger-index: 0}.u-reveal--stagger>*:nth-child(2){--stagger-index: 1}.u-reveal--stagger>*:nth-child(3){--stagger-index: 2}.u-reveal--stagger>*:nth-child(4){--stagger-index: 3}.u-reveal--stagger>*:nth-child(5){--stagger-index: 4}.u-reveal--stagger>*:nth-child(6){--stagger-index: 5}.u-reveal--stagger>*:nth-child(7){--stagger-index: 6}.u-reveal--stagger>*:nth-child(8){--stagger-index: 7}.u-reveal--stagger>*:nth-child(9){--stagger-index: 8}.u-reveal--stagger>*:nth-child(10){--stagger-index: 9}.u-reveal--stagger>*:nth-child(11){--stagger-index: 10}.u-reveal--stagger>*:nth-child(12){--stagger-index: 11}.u-reveal--stagger.is-revealed>*{opacity:1;translate:0 0}@media print,screen and (min-width: 376px){.u-xs-max{display:none !important}}@media print,screen and (min-width: 768px){.u-sm-max{display:none !important}.u-mt-pc-0{margin-top:0 !important}.u-mt-pc-5{margin-top:.5rem !important}.u-mt-pc-10{margin-top:1rem !important}.u-mt-pc-15{margin-top:1.5rem !important}.u-mt-pc-20{margin-top:2rem !important}.u-mt-pc-30{margin-top:3rem !important}.u-mt-pc-40{margin-top:4rem !important}.u-mt-pc-50{margin-top:5rem !important}.u-mt-pc-60{margin-top:6rem !important}.u-mt-pc-70{margin-top:7rem !important}.u-mt-pc-80{margin-top:8rem !important}.u-mt-pc-90{margin-top:9rem !important}.u-mt-pc-100{margin-top:10rem !important}.u-mb-pc-0{margin-bottom:0 !important}.u-mb-pc-5{margin-bottom:.5rem !important}.u-mb-pc-10{margin-bottom:1rem !important}.u-mb-pc-15{margin-bottom:1.5rem !important}.u-mb-pc-20{margin-bottom:2rem !important}.u-mb-pc-30{margin-bottom:3rem !important}.u-mb-pc-40{margin-bottom:4rem !important}.u-mb-pc-50{margin-bottom:5rem !important}.u-mb-pc-60{margin-bottom:6rem !important}.u-mb-pc-70{margin-bottom:7rem !important}.u-mb-pc-80{margin-bottom:8rem !important}.u-mb-pc-90{margin-bottom:9rem !important}.u-mb-pc-100{margin-bottom:10rem !important}}@media print,screen and (min-width: 1025px){.u-md-max{display:none !important}}@media print,screen and (min-width: 1281px){.u-lg-max{display:none !important}}@media (prefers-reduced-motion: no-preference){:where(html){scroll-behavior:smooth}}@media (prefers-reduced-motion: reduce){.u-reveal,.u-reveal--stagger>*{opacity:1 !important;transition:none !important;translate:0 0 !important}}@media screen and (max-width: 1280px){html{font-size:.78125vw}.u-lg-min{display:none !important}}@media screen and (max-width: 1024px){html{font-size:.9765625vw}.l-header__left{flex-direction:column;gap:.3rem;align-items:flex-start}.u-md-min{display:none !important}}@media screen and (max-width: 767px){html{font-size:2.5641025641vw}body{min-width:320px;font-size:1.4rem}body.is-locked{position:fixed;width:100%;height:100%}select,textarea,input[type=text],input[type=email],input[type=number],input[type=tel]{font-size:1.6rem}.l-header__left{left:4.1025641026vw;gap:.7692307692vw}.l-header__logo{width:28.4615384615vw;height:4.6153846154vw}.l-header__tagline{font-size:2.5641025641vw}.l-header__right{right:2.0512820513vw;gap:0}.l-header__nav{display:none}.l-header__cta{display:none}.l-header__burger{display:inline-flex;flex-direction:column;gap:1.5384615385vw;align-items:center;justify-content:center;width:12.3076923077vw;height:12.3076923077vw;padding:0;cursor:pointer;background:rgba(0,0,0,0);border:none}.l-inner{padding:0 2rem}.l-drawer{position:fixed;top:0;left:0;z-index:200;display:block;width:100%;height:100%;overflow-y:auto;font-feature-settings:normal;visibility:hidden;background-color:var(--color-white);transition:transform .3s ease-out,visibility 0s linear .3s;transform:translateX(100%)}body.is-menu-open .l-drawer{visibility:visible;transition:transform .3s ease-out,visibility 0s linear 0s;transform:translateX(0)}.l-drawer__head{position:relative;display:flex;align-items:center;justify-content:space-between;height:16.4102564103vw;padding:0 4.1025641026vw;border-bottom:1px solid var(--color-border-subtle)}.l-drawer__brand{display:flex;flex-direction:column;gap:.7692307692vw;align-items:flex-start}.l-drawer__logo{display:block;width:28.4615384615vw;height:4.6153846154vw}.l-drawer__logo img{display:block;width:100%;height:100%}.l-drawer__tagline{margin:0;font-family:var(--font-ja);font-size:2.5641025641vw;font-weight:400;line-height:1;color:var(--color-text-tagline);white-space:nowrap}.l-drawer__close{position:absolute;top:50%;right:2.0512820513vw;display:inline-flex;align-items:center;justify-content:center;width:12.3076923077vw;height:12.3076923077vw;padding:0;cursor:pointer;background:rgba(0,0,0,0);border:none;transform:translateY(-50%)}.l-drawer__close-line{position:absolute;width:6.1538461538vw;height:.3846153846vw;background-color:var(--color-black);border-radius:.2564102564vw}.l-drawer__close-line:nth-child(1){transform:rotate(45deg)}.l-drawer__close-line:nth-child(2){transform:rotate(-45deg)}.l-drawer__nav{padding:6.1538461538vw}.l-drawer__nav ul{display:flex;flex-direction:column;padding:0;margin:0;list-style:none}.l-drawer__nav li{border-bottom:1px solid var(--color-border-subtle)}.l-drawer__nav a{display:flex;gap:2.0512820513vw;align-items:center;justify-content:space-between;height:12.3076923077vw;font-family:var(--font-ja);font-size:3.5897435897vw;font-weight:400;line-height:4.3076923077vw;color:var(--color-black);text-decoration:none;transition:color .2s ease-out}.l-drawer__nav a::after{display:block;flex-shrink:0;width:3.0769230769vw;height:3.0769230769vw;content:"";background:url("/service/boost-dev/assets/images/common/ico_arrow-down-menu.svg") center/contain no-repeat}.l-drawer__nav a:hover,.l-drawer__nav a:focus-visible{color:var(--color-accent)}.l-drawer__footer{padding:8.2051282051vw 6.1538461538vw;margin:0;font-feature-settings:normal}.l-drawer__footer-nav{display:flex;flex-wrap:wrap;gap:6.1538461538vw;align-items:center;padding:0;margin:0 0 4.1025641026vw;list-style:none}.l-drawer__footer-nav a{font-family:var(--font-ja);font-size:3.0769230769vw;font-weight:400;line-height:1;color:var(--color-black);text-decoration:none;transition:opacity .2s ease-out}.l-drawer__footer-nav a:hover,.l-drawer__footer-nav a:focus-visible{opacity:.7}.l-drawer__copy{margin:0;font-family:var(--font-ja);font-size:2.5641025641vw;font-weight:400;line-height:1;color:var(--color-text-body-gray)}body.is-menu-open{position:fixed;width:100%;overflow:hidden}.p-footer{flex-direction:column;gap:6.1538461538vw;align-items:flex-start;justify-content:flex-start;height:27.6923076923vw;padding:8.2051282051vw 6.1538461538vw}.p-footer__nav{gap:6.1538461538vw}.p-footer__link{font-size:3.0769230769vw}.p-footer__copy{font-size:2.5641025641vw}.u-sm-min{display:none !important}.u-mt-sm-0{margin-top:0 !important}.u-mt-sm-5{margin-top:.5rem !important}.u-mt-sm-10{margin-top:1rem !important}.u-mt-sm-15{margin-top:1.5rem !important}.u-mt-sm-20{margin-top:2rem !important}.u-mt-sm-30{margin-top:3rem !important}.u-mt-sm-40{margin-top:4rem !important}.u-mt-sm-50{margin-top:5rem !important}.u-mt-sm-60{margin-top:6rem !important}.u-mt-sm-70{margin-top:7rem !important}.u-mt-sm-80{margin-top:8rem !important}.u-mt-sm-90{margin-top:9rem !important}.u-mt-sm-100{margin-top:10rem !important}.u-mb-sm-0{margin-bottom:0 !important}.u-mb-sm-5{margin-bottom:.5rem !important}.u-mb-sm-10{margin-bottom:1rem !important}.u-mb-sm-15{margin-bottom:1.5rem !important}.u-mb-sm-20{margin-bottom:2rem !important}.u-mb-sm-30{margin-bottom:3rem !important}.u-mb-sm-40{margin-bottom:4rem !important}.u-mb-sm-50{margin-bottom:5rem !important}.u-mb-sm-60{margin-bottom:6rem !important}.u-mb-sm-70{margin-bottom:7rem !important}.u-mb-sm-80{margin-bottom:8rem !important}.u-mb-sm-90{margin-bottom:9rem !important}.u-mb-sm-100{margin-bottom:10rem !important}.u-br-pc{display:none}.u-br-sp{display:inline}}@media screen and (max-width: 375px){.u-xs-min{display:none !important}}