:root{--ink:#121612;--forest:#203427;--wood:#c5944b;--paper:#f2eee6;--muted:#5c645b;--line:rgba(18,22,18,.16);--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;line-height:1.8}a{color:inherit}.wrap{width:min(1120px,calc(100% - 48px));margin:auto}
header{position:fixed;inset:0 0 auto;z-index:20;color:#fff;background:rgba(11,15,11,.94);border-bottom:1px solid rgba(255,255,255,.14)}.nav{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{font:700 15px/1.1 Georgia,serif;letter-spacing:.16em;text-decoration:none}.brand small{display:block;margin-top:6px;font:500 10px/1 sans-serif;letter-spacing:.2em;color:#d6c6aa}.links{display:flex;align-items:center;gap:25px;font-size:13px;letter-spacing:.08em}.links a{text-decoration:none}.links a:hover{color:#dfc08d}.lang{display:flex;border:1px solid rgba(255,255,255,.4);border-radius:999px;overflow:hidden}.lang button{border:0;background:transparent;color:#fff;padding:8px 11px;cursor:pointer;font:600 12px sans-serif}.lang button.active{background:#fff;color:var(--ink)}.menu-button{display:none;border:1px solid rgba(255,255,255,.5);background:transparent;color:#fff;padding:8px 11px;font-size:13px}
.page-hero{padding:176px 0 88px;background:linear-gradient(125deg,#17251c,#2b4030);color:#fff;position:relative;overflow:hidden}.page-hero.has-image{background:linear-gradient(90deg,rgba(10,16,11,.92),rgba(10,16,11,.7) 55%,rgba(10,16,11,.26)),var(--hero-image) center/cover}.page-hero:after{content:"";position:absolute;width:430px;height:430px;border:1px solid rgba(197,148,75,.35);border-radius:50%;right:-95px;top:35px}.page-hero.has-image:after{display:none}.page-hero>.wrap{position:relative;z-index:1}.crumb{font-size:12px;letter-spacing:.12em;color:rgba(255,255,255,.6)}.crumb a{text-decoration:none}.eyebrow{margin-top:65px;color:#ddbf8d;font-size:12px;letter-spacing:.23em;text-transform:uppercase}.page-hero h1{max-width:880px;margin:18px 0 24px;font:400 clamp(42px,6vw,78px)/1.25 Georgia,"Yu Mincho",serif;letter-spacing:-.025em}.page-hero .lead{max-width:790px;margin:0;font-size:18px;line-height:2;color:rgba(255,255,255,.82)}
main section{padding:92px 0}.intro-grid{display:grid;grid-template-columns:.8fr 1.5fr;gap:80px}.kicker{font-size:12px;letter-spacing:.2em;color:#84612e;text-transform:uppercase}.section-title{margin:12px 0 0;font:400 clamp(31px,4vw,51px)/1.35 Georgia,"Yu Mincho",serif}.intro-copy{margin:0;font-size:18px;line-height:2}.muted{color:var(--muted)}
.scope{background:#e5dfd3}.scope-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:48px}.scope-card{background:#f3efe7;padding:34px 30px;min-height:270px}.scope-card .num{font:400 13px Georgia,serif;color:#8e6730}.scope-card h3{margin:28px 0 14px;font:400 23px/1.5 Georgia,"Yu Mincho",serif}.scope-card p{margin:0;color:var(--muted);font-size:14px}
.process{background:var(--ink);color:#fff}.process .kicker{color:#d7ae72}.process h2{max-width:760px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px}.step{border-top:1px solid rgba(255,255,255,.25);padding:24px 5px 0}.step b{display:block;color:#d7ae72;font:400 13px Georgia,serif}.step h3{font:400 21px/1.5 Georgia,"Yu Mincho",serif;margin:18px 0 10px}.step p{font-size:13px;color:rgba(255,255,255,.6);margin:0}
.value-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:45px}.value-card{border:1px solid var(--line);background:#fff;padding:32px}.value-card h3{margin:0 0 12px;font:400 23px/1.5 Georgia,"Yu Mincho",serif}.value-card p{margin:0;color:var(--muted);font-size:14px}.note{margin-top:36px;padding:24px 28px;border-left:3px solid var(--wood);background:#e8e1d5;color:#3e473e}
.next{padding:0;background:#23372a;color:#fff}.next-grid{display:grid;grid-template-columns:1fr 1fr}.next-copy{padding:72px max(35px,7vw)}.next-copy h2{margin:12px 0 22px;font:400 clamp(31px,4vw,49px)/1.4 Georgia,"Yu Mincho",serif}.next-copy p{color:rgba(255,255,255,.65)}.page-links{display:flex;flex-direction:column;border-left:1px solid rgba(255,255,255,.14)}.page-links a{display:flex;justify-content:space-between;align-items:center;padding:29px 34px;border-bottom:1px solid rgba(255,255,255,.14);text-decoration:none}.page-links a:hover{background:rgba(255,255,255,.06)}
.contact{background:#101510;color:#fff;text-align:center}.contact h2{margin:10px auto 20px;font:400 clamp(34px,5vw,60px)/1.35 Georgia,"Yu Mincho",serif}.contact p{color:rgba(255,255,255,.65)}.button{display:inline-flex;gap:24px;margin-top:22px;padding:16px 23px;border:1px solid rgba(255,255,255,.5);text-decoration:none;font-size:13px}.button:hover{background:#fff;color:#162118}footer{padding:27px 0;background:#090c09;color:rgba(255,255,255,.48);font-size:11px;letter-spacing:.1em}.foot{display:flex;justify-content:space-between}
[data-zh],[data-en]{display:none}body.zh [data-ja],body.en [data-ja]{display:none}body.zh [data-zh],body.en [data-en]{display:initial}body.zh div[data-zh],body.zh p[data-zh],body.zh h1[data-zh],body.zh h2[data-zh],body.zh h3[data-zh],body.zh span[data-zh],body.en div[data-en],body.en p[data-en],body.en h1[data-en],body.en h2[data-en],body.en h3[data-en],body.en span[data-en]{display:block}body.en [data-zh]{display:none}
@media(max-width:900px){.scope-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr 1fr}.intro-grid{grid-template-columns:1fr;gap:28px}}
@media(max-width:760px){.wrap{width:min(100% - 30px,680px)}.nav{height:70px}.menu-button{display:block}.links{gap:10px}.links>a{display:none}.links.open{position:absolute;top:70px;left:0;right:0;background:#101711;padding:18px 15px 22px;display:grid;grid-template-columns:1fr;gap:0}.links.open>a{display:block;padding:12px 8px;border-bottom:1px solid rgba(255,255,255,.12)}.links.open .lang{margin-top:15px;justify-self:start}.page-hero{padding:135px 0 68px}.eyebrow{margin-top:42px}.page-hero .lead{font-size:16px}main section{padding:70px 0}.scope-grid,.steps,.value-grid,.next-grid{grid-template-columns:1fr}.scope-card{min-height:0}.page-links{border-left:0;border-top:1px solid rgba(255,255,255,.14)}.foot{display:block}.foot span{display:block;margin-top:7px}}
@media(max-width:760px){
  body{line-height:1.68;overflow-x:hidden}.wrap{width:min(100% - 36px,680px)}.nav{height:68px}.brand{font-size:13px}.brand small{font-size:9px}.menu-button{min-height:42px;padding:9px 13px}.links:not(.open) .lang{display:none}.links.open{top:68px;max-height:calc(100svh - 68px);overflow:auto;padding:8px 18px 20px;box-shadow:0 18px 38px rgba(0,0,0,.24)}.links.open>a{padding:15px 8px;font-size:14px}.links.open .lang{display:flex;margin-top:18px}
  .page-hero{padding:116px 0 54px}.page-hero:after{width:260px;height:260px;right:-105px;top:62px}.crumb{font-size:11px}.eyebrow{margin-top:34px;font-size:10px}.page-hero h1{margin:14px 0 18px;font-size:clamp(35px,10vw,46px);line-height:1.25}.page-hero .lead{font-size:16px;line-height:1.82}main section{padding:64px 0}.section-title{font-size:clamp(29px,8.3vw,38px);line-height:1.36}.intro-copy{font-size:16px;line-height:1.84}.intro-grid{gap:22px}.scope-grid{margin-top:34px}.scope-card{padding:26px 22px}.scope-card h3{margin:20px 0 12px;font-size:21px}.steps{gap:0;margin-top:34px}.step{padding:22px 0}.step h3{font-size:20px;margin:14px 0 8px}.value-grid{gap:12px;margin-top:34px}.value-card{padding:25px 22px}.value-card h3{font-size:21px}.note{margin-top:28px;padding:21px 20px}.next-copy{padding:52px 22px}.next-copy h2{font-size:31px}.page-links a{padding:23px 22px}.contact h2{font-size:clamp(31px,9vw,41px)}.button{width:100%;justify-content:center;min-height:52px}.foot{line-height:1.6}main>section:not(.page-hero){content-visibility:auto;contain-intrinsic-size:1px 620px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:760px){.menu-button{min-height:38px;border:0;border-bottom:1px solid rgba(255,255,255,.5);padding:8px 1px 6px;letter-spacing:.16em}.links.open{position:fixed;z-index:30;top:76px;right:14px;left:auto;width:min(360px,calc(100vw - 28px));max-height:calc(100svh - 92px);overflow:auto;padding:13px 20px 20px;background:rgba(16,23,17,.98);border:1px solid rgba(255,255,255,.14);box-shadow:0 22px 60px rgba(0,0,0,.34);backdrop-filter:blur(18px)}.links.open>a{padding:15px 4px}.links.open .lang{margin-top:18px}}
.brand{order:1}.nav>.links{order:2;margin-left:auto}.nav-actions{order:3;display:flex;align-items:center;gap:16px}@media(max-width:760px){.nav-actions{order:2;margin-left:auto;gap:12px}.nav-actions .lang{display:flex!important}.nav-actions .lang button{padding:7px 9px}.nav>.links{order:3;margin-left:0}.menu-button{order:2}}
.nav-group{position:relative;display:flex;align-items:center}.nav-group>.nav-parent{display:flex;align-items:center;gap:6px}.nav-submenu-toggle{width:20px;height:28px;padding:0;border:0;background:transparent;color:inherit;cursor:pointer;font-size:13px;transition:transform .2s}.nav-submenu{position:absolute;z-index:40;top:calc(100% + 17px);left:50%;width:210px;padding:9px;background:rgba(16,23,17,.98);border:1px solid rgba(255,255,255,.14);box-shadow:0 18px 46px rgba(0,0,0,.3);opacity:0;visibility:hidden;transform:translate(-50%,-6px);transition:opacity .18s,transform .18s,visibility .18s;backdrop-filter:blur(16px)}.nav-submenu a{display:block;padding:10px 12px;color:#fff;font-size:12px;line-height:1.35;letter-spacing:.06em;text-decoration:none}.nav-submenu a:hover,.nav-submenu a:focus-visible{background:rgba(255,255,255,.09)}.nav-group:hover .nav-submenu,.nav-group:focus-within .nav-submenu,.nav-group.submenu-open .nav-submenu{opacity:1;visibility:visible;transform:translate(-50%,0)}.nav-group.submenu-open>.nav-submenu-toggle{transform:rotate(180deg)}@media(max-width:760px){.nav-group{display:grid;grid-template-columns:1fr 34px;border-bottom:1px solid rgba(255,255,255,.12)}.links.open>.nav-group>.nav-parent{display:block;padding:15px 4px;border:0}.nav-submenu-toggle{display:block;width:34px;height:44px;font-size:15px}.nav-submenu{position:static;grid-column:1/3;width:auto;padding:0 0 9px 12px;border:0;box-shadow:none;background:transparent;opacity:1;visibility:visible;transform:none!important;display:none;backdrop-filter:none}.nav-group.submenu-open .nav-submenu{display:block}.nav-submenu a{padding:10px 12px;font-size:13px}.nav-group:hover .nav-submenu{display:none}.nav-group.submenu-open:hover .nav-submenu{display:block}}
@media(min-width:761px){html{scroll-padding-top:78px}.wrap{width:min(1080px,calc(100% - 72px))}.nav{height:70px}.links{gap:20px}.page-hero{padding:142px 0 66px}.eyebrow{margin-top:46px}.page-hero h1{font-size:clamp(39px,5vw,66px);margin:15px 0 20px}.page-hero .lead{font-size:17px;line-height:1.88}main section{padding:76px 0}.intro-grid{gap:58px}.section-title{font-size:clamp(30px,3.7vw,46px)}.intro-copy{font-size:17px;line-height:1.9}.scope-grid{margin-top:38px}.scope-card{min-height:225px;padding:28px 25px}.steps{margin-top:38px}.value-grid{margin-top:36px}.next-copy{padding-top:58px;padding-bottom:58px}main section[id]{scroll-margin-top:78px}}
.nav-actions{gap:10px}.nav-actions .lang{border-color:rgba(255,255,255,.3)}.nav-actions .lang button{padding:5px 7px;font-size:9px;letter-spacing:0}.nav-actions .menu-button{font-size:10px;letter-spacing:.12em}@media(max-width:760px){.nav{height:64px}.brand{font-size:12px}.brand small{font-size:8px}.nav-actions{gap:8px}.nav-actions .lang button{padding:5px 6px;font-size:9px}.nav-actions .menu-button{min-height:30px;padding:5px 0 4px;font-size:10px}.links.open{top:70px;max-height:calc(100svh - 84px)}}
.nav-actions .lang button{white-space:nowrap}@media(min-width:761px){.menu-button{display:block;color:#fff;border:0;border-bottom:1px solid rgba(255,255,255,.5);min-height:30px;padding:5px 0 4px;background:transparent}.links>a,.links>.nav-group{display:none}.links.open{position:fixed;z-index:30;top:76px;right:28px;left:auto;width:min(360px,calc(100vw - 56px));max-height:calc(100svh - 96px);overflow:auto;padding:13px 20px 20px;display:grid;grid-template-columns:1fr;gap:0;background:rgba(16,23,17,.98);color:#fff;border:1px solid rgba(255,255,255,.14);box-shadow:0 22px 60px rgba(0,0,0,.34);backdrop-filter:blur(18px)}.links.open>a{display:block;padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.12)}.links.open>.nav-group{display:grid;grid-template-columns:1fr 34px;border-bottom:1px solid rgba(255,255,255,.12)}.links.open>.nav-group>.nav-parent{display:block;padding:15px 4px;border:0}.links.open .nav-submenu-toggle{display:block;width:34px;height:44px}.links.open .nav-submenu{position:static;grid-column:1/3;width:auto;padding:0 0 9px 12px;border:0;box-shadow:none;background:transparent;opacity:1;visibility:visible;transform:none!important;display:none;backdrop-filter:none}.links.open .nav-submenu a{padding:10px 12px;font-size:13px}.links.open .nav-group:hover .nav-submenu,.links.open .nav-group:focus-within .nav-submenu,.links.open .nav-group.submenu-open .nav-submenu{display:block}}
.menu-panel-close{display:none}.links.open .menu-panel-close{display:grid;place-items:center;position:sticky;z-index:3;top:0;justify-self:end;width:34px;height:34px;margin:0 0 3px;border:1px solid rgba(255,255,255,.3);border-radius:50%;background:rgba(16,23,17,.94);color:#fff;font-size:20px;line-height:1;cursor:pointer}.links.open .menu-panel-close:hover{background:#fff;color:#162118}
.links:not(.open)>a,.links:not(.open)>.nav-group{display:none!important}.nav-actions .menu-button{order:0!important;font-size:13px!important;letter-spacing:.16em!important;font-weight:600}.nav-actions .lang{order:1}.nav-actions .lang button{padding:4px 5px!important;font-size:8px!important;min-width:0}.nav-actions{gap:12px}@media(max-width:760px){.nav-actions{gap:9px}.nav-actions .menu-button{font-size:12px!important;min-height:32px}.nav-actions .lang button{padding:4px 5px!important;font-size:8px!important}}