:root{--bg:#fff;--bg-alt:#f5f4f2;--ink:#161619;--strong:#0a0a0c;--muted:#6c6c72;--faint:#9a9aa0;--line:#16161921;--line-soft:#16161912;--coral:#ff6f61;--maxw:1120px;--header-h:72px;--ease:cubic-bezier(.22,1,.36,1);--font:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP","Yu Gothic",Meiryo,sans-serif}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;margin:0;font-size:17px;line-height:1.7}a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}:root[lang=ja] .en,:root[lang=en] .ja{display:none}.wrap{max-width:var(--maxw);width:100%;margin:0 auto;padding:0 clamp(20px,5vw,48px)}.eyebrow{letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin:0 0 18px;font-size:12px;font-weight:700}.lockup-link{display:inline-flex;align-items: center}.lockup-img{width:auto;height:40px}header{position:sticky;z-index:50;backdrop-filter:saturate(180%)blur(14px);-webkit-backdrop-filter:saturate(180%)blur(14px);transition:border-color .3s var(--ease);background:#fffc;border-bottom:1px solid #0000;top:0}header.scrolled{border-bottom-color:var(--line)}.nav{display:flex;height:var(--header-h);justify-content:space-between;align-items: center;gap:24px}.nav-links{display:flex;align-items: center;gap:30px}.nav-links a{color:var(--muted);transition:color .2s;font-size:14px;font-weight:500}.nav-links a:hover{color:var(--ink)}.lang-toggle{letter-spacing:.06em;color:var(--ink);border:1px solid var(--line);cursor:pointer;background:0 0;border-radius:999px;padding:7px 14px;transition:border-color .2s,background .2s;font-family:inherit;font-size:12px;font-weight:700}.lang-toggle:hover{border-color:var(--ink);background:var(--bg-alt)}@media (max-width:720px){.nav-links a{display:none}}.firstview{display:flex;min-height:calc(100vh - var(--header-h));min-height:calc(100svh - var(--header-h));flex-direction:column}.firstview .hero{display:flex;flex-direction:column;flex:1 0 auto;justify-content:center;padding-top:clamp(48px,7vh,96px);padding-bottom:clamp(48px,7vh,96px)}.hero{position:relative;overflow:hidden;padding:clamp(76px,15vh,168px) 0 clamp(64px,12vh,128px)}.hero .mark-watermark{position:absolute;opacity:.04;z-index:0;pointer-events:none;transform-origin:center;animation:mark-spin 90s linear infinite;width:min(560px,55vw);top:50%;right:-6%;transform:translateY(-50%)}@keyframes mark-spin{0%{transform:translateY(-50%)rotate(0)}to{transform:translateY(-50%)rotate(360deg)}}@media (prefers-reduced-motion:reduce){.hero .mark-watermark{animation:none}}.hero .wrap{position:relative;z-index:1}.hero h1{letter-spacing:-.02em;color:var(--strong);max-width:15ch;margin:0 0 28px;font-size:clamp(2.6rem,7vw,5.1rem);font-weight:800;line-height:1.05}.hero h1 .accent{color:var(--coral);font-style:normal}.hero .lead{color:var(--muted);max-width:44ch;margin:0 0 40px;font-size:clamp(1.05rem,2.2vw,1.28rem);line-height:1.75}.btn-row{display:flex;flex-wrap:wrap;gap:14px}.btn{display:inline-flex;transition:transform .2s var(--ease),background .2s,border-color .2s;border-radius:999px;align-items: center;gap:8px;padding:14px 28px;font-size:15px;font-weight:600}.btn-primary{background:var(--ink);color:#fff}.btn-primary:hover{background:#000;transform:translateY(-2px)}.btn-ghost{border:1px solid var(--line);color:var(--ink)}.btn-ghost:hover{border-color:var(--ink)}.tagline{position:relative;overflow:hidden;background:var(--strong);color:#fff;text-align:center;padding:clamp(60px,11vh,116px) 0}.tagline .mark-watermark{position:absolute;opacity:.06;z-index:0;pointer-events:none;width:min(460px,62vw);top:50%;left:50%;transform:translate(-50%,-50%)}.tagline .wrap{position:relative;z-index:1}.tagline .t1{display:inline-flex;letter-spacing:.34em;text-transform:uppercase;color:#fff;align-items: center;gap:20px;font-size:clamp(13px,2vw,16px);font-weight:700}.tagline .t1:before,.tagline .t1:after{content:"";background:#ffffff47;width:clamp(28px,9vw,84px);height:1px}.tagline .t2{letter-spacing:.28em;text-transform:uppercase;color:#ffffff80;margin-top:12px;font-size:12px}section{scroll-margin-top:84px}.band{padding:clamp(64px,11vw,128px) 0}.band.alt{background:var(--bg-alt)}.band.line{border-top:1px solid var(--line-soft)}.section-head{max-width:62ch;margin-bottom:56px}.section-head h2{letter-spacing:-.015em;color:var(--strong);margin:0 0 20px;font-size:clamp(1.9rem,4.2vw,3rem);font-weight:800;line-height:1.12}.section-head p{color:var(--muted);margin:0;font-size:1.12rem}.pullquote{letter-spacing:-.01em;color:var(--strong);max-width:24ch;margin:0 0 60px;font-size:clamp(1.5rem,3.6vw,2.4rem);font-weight:700;line-height:1.42}.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}@media (max-width:860px){.trio{grid-template-columns:1fr;gap:4px}}.trio .item{border-top:2px solid var(--ink);padding-top:26px}.trio .k{letter-spacing:.16em;text-transform:uppercase;color:var(--faint);margin:0 0 14px;font-size:13px;font-weight:700}.trio h3{letter-spacing:-.01em;color:var(--ink);margin:0 0 12px;font-size:1.3rem;font-weight:700}.trio p{color:var(--muted);margin:0;font-size:1rem}.services{display:grid;grid-template-columns:1fr 1fr;gap:24px}@media (max-width:820px){.services{grid-template-columns:1fr}}.service{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:40px}.service-logo{width:auto;height:26px;margin:0 0 14px}.service h3{letter-spacing:-.01em;color:var(--strong);margin:0 0 8px;font-size:1.55rem;font-weight:700}.service .tag{color:var(--faint);letter-spacing:.04em;text-transform:uppercase;margin:0 0 18px;font-size:13px;font-weight:600}.service p{color:var(--muted);margin:0 0 24px;font-size:1rem}.service .links{display:flex;flex-wrap:wrap;gap:8px 20px}.service .links a{color:var(--ink);border-bottom:1px solid var(--line);padding-bottom:2px;transition:border-color .2s;font-size:14px;font-weight:600}.service .links a:hover{border-color:var(--ink)}.company-dl{border-top:1px solid var(--line);margin:0}.company-dl .row{display:grid;grid-template-columns:200px 1fr;border-bottom:1px solid var(--line);gap:8px 40px;padding:22px 0}@media (max-width:620px){.company-dl .row{grid-template-columns:1fr;gap:4px}}.company-dl dt{color:var(--ink);font-size:.95rem;font-weight:700}.company-dl dd{color:var(--muted);margin:0}.company-dl dd a{color:var(--ink);border-bottom:1px solid var(--line);padding-bottom:1px;transition:border-color .2s;font-weight:600}.company-dl dd a:hover{border-color:var(--ink)}.biz-list{list-style:none;margin:0;padding:0}.biz-list li{position:relative;padding-left:18px}.biz-list li:before{content:"";position:absolute;background:var(--muted);width:6px;height:6px;top:.72em;left:0;transform:rotate(45deg)}.notice-doc{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:20px;max-width:720px;margin:0 auto;padding:clamp(28px,5vw,52px)}.bs-item{border:1px solid var(--line);overflow:hidden;border-radius:14px}.bs-item+.bs-item{margin-top:14px}.bs-summary{position:relative;display:flex;cursor:pointer;list-style:none;user-select:none;flex-wrap:wrap;align-items:baseline;gap:4px 16px;padding:20px 48px 20px 24px;transition:background .2s}.bs-summary::-webkit-details-marker{display:none}.bs-summary:hover{background:var(--bg-alt)}.bs-sum-year{color:var(--strong);font-weight:700}.bs-sum-date{color:var(--muted);margin-left:auto;font-size:13px}.bs-chevron{position:absolute;color:var(--faint);transition:transform .2s var(--ease);top:50%;right:22px;transform:translateY(-50%)}.bs-item[open] .bs-chevron{transform:translateY(-50%)rotate(180deg)}.bs-body{padding:4px 24px 28px}.bs-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px 48px}@media (max-width:620px){.bs-grid{grid-template-columns:1fr;gap:30px}}table.bs{border-collapse:collapse;width:100%;font-size:.92rem}table.bs caption{text-align:left;color:var(--ink);border-bottom:2px solid var(--ink);padding-bottom:8px;font-weight:700}table.bs th{text-align:left;color:var(--muted);border-bottom:1px solid var(--line-soft);padding:9px 0;font-weight:400}table.bs td{text-align:right;font-variant-numeric:tabular-nums;color:var(--ink);border-bottom:1px solid var(--line-soft);white-space:nowrap;padding:9px 0}table.bs tfoot th,table.bs tfoot td{color:var(--strong);border-bottom:none;border-top:1px solid var(--ink);padding-top:11px;font-weight:700}.notice-official{color:var(--muted);margin:32px 0 0;font-size:14px}.notice-official a{color:var(--ink);border-bottom:1px solid var(--line);padding-bottom:1px;transition:border-color .2s;font-weight:600}.notice-official a:hover{border-color:var(--ink)}footer{background:var(--strong);color:#fff;padding:76px 0 40px}.foot-grid{margin-bottom:48px}.foot-bottom{display:flex;color:#ffffff73;border-top:1px solid #ffffff1f;flex-wrap:wrap;justify-content:space-between;align-items: center;gap:16px;padding-top:28px;font-size:13px}.socials{display:flex;gap:18px}.socials a{color:#ffffffa8;transition:color .2s}.socials a:hover{color:#fff}.js .reveal{opacity:0;transition:opacity .7s var(--ease),transform .7s var(--ease);transform:translateY(22px)}.js .reveal.in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transition:none;transform:none}}.to-top{position:fixed;z-index:60;display:grid;color:#fff;background:var(--ink);cursor:pointer;opacity:0;pointer-events:none;transition:opacity .25s var(--ease),transform .25s var(--ease),background .2s;border:none;border-radius:999px;place-items: center;width:46px;height:46px;bottom:clamp(16px,4vw,32px);right:clamp(16px,4vw,32px);transform:translateY(12px);box-shadow:0 6px 22px #0000002e}.to-top.show{opacity:1;pointer-events:auto;transform:none}.to-top:hover{background:#000}