:root{--ink:#1d1d1f;--muted:#6e6e73;--link:#0066cc;--surface:#f5f5f7}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;color:var(--ink);font-family:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Helvetica Neue","Hiragino Kaku Gothic ProN",sans-serif;line-height:1.7;font-size:14px;background:#fff}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:5px}
a:focus-visible,button:focus-visible{outline:2px solid var(--link);outline-offset:5px}
h1,h2,h3,p{margin:0}
main,footer{width:min(100% - 64px,1000px);margin-inline:auto}
.header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;padding:19px max(32px,calc((100vw - 1000px)/2));background:rgba(255,255,255,.72);border-bottom:1px solid rgba(0,0,0,.08);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px)}
.wordmark{font-size:18px;font-weight:600;letter-spacing:-.025em;white-space:nowrap}
nav{display:flex;gap:25px;font-size:12px;color:var(--ink)}
nav a{padding:5px 0;transition:color .18s ease}
nav a:hover{color:var(--link);text-decoration:none}
.intro{padding:90px 0 76px}
.intro h1{font-size:clamp(28px,3.5vw,40px);font-weight:800;line-height:1.45;letter-spacing:-.025em}
.intro p{max-width:820px;color:var(--muted);margin-top:28px;line-height:1.8}
section:not(.intro){padding:0 0 64px;margin-bottom:0;background:transparent}
h2{font-size:28px;font-weight:700;letter-spacing:-.02em;line-height:1.6;margin-bottom:28px}
h3{font-size:17px;font-weight:600;line-height:1.6;margin-bottom:13px}
.products{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.products h2{grid-column:1/-1;margin-bottom:4px}
.products .product{display:grid;grid-template-columns:80px minmax(0,1fr);align-items:start;gap:22px;padding:32px 28px;background:var(--surface)}
.product-icon{display:block;width:80px;height:80px;object-fit:contain}
.product-content{min-width:0}
.product-link{display:inline-block;margin-top:18px;font-size:13px;color:var(--link)}
.product-heading{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.product-heading h3{margin-bottom:0}
.status{display:inline-block;font-size:10px;color:var(--muted);background:#e8e8ed;padding:3px 9px}
.product p{font-size:13px;color:var(--muted);line-height:1.8}
.product p br{display:none}
.service-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.service-list article{padding:28px 24px;background:var(--surface)}
.service-list p{font-size:13px;color:var(--muted);line-height:1.8}
.contact{border-top:1px solid #d2d2d7;padding-top:48px!important}
.contact-intro{color:var(--muted);margin-top:-8px;margin-bottom:32px}
form{max-width:620px}
label{display:block;font-size:13px;margin-bottom:8px}
label span{font-size:10px;color:var(--muted);margin-left:10px}
input,textarea{display:block;width:100%;font:inherit;border:1px solid #d2d2d7;border-radius:0;padding:13px 14px;margin-bottom:24px;color:var(--ink);background:#fff}
textarea{resize:vertical}
input:focus,textarea:focus{outline:2px solid var(--link);outline-offset:2px}
.form-note,.privacy-note{font-size:11px;color:var(--muted);line-height:1.7}
.form-note{margin-bottom:16px}
button{font:inherit;font-size:13px;font-weight:500;border:0;border-radius:0;background:#0071e3;color:#fff;padding:13px 24px;cursor:pointer;transition:background .18s ease}
button:hover{background:#0077ed}
.privacy-note{margin-top:18px}
#form-status{font-size:12px;margin-top:12px}
footer{border-top:1px solid #d2d2d7;padding:24px 0 36px;display:flex;align-items:center;justify-content:space-between;gap:20px;color:var(--muted)}
.social{display:flex;gap:22px;font-size:12px}
.social a{padding:4px 0}
footer small{font-size:11px}
.skip{position:absolute;top:-70px;left:20px;z-index:30;background:var(--ink);color:white;padding:10px}
.skip:focus{top:10px}
@media(max-width:850px){.products .product{grid-template-columns:64px minmax(0,1fr);gap:18px;padding:26px 22px}.product-icon{width:64px;height:64px}.service-list{gap:16px}.service-list article{padding:24px 20px}}
@media(max-width:650px){
html{scroll-padding-top:110px}
main,footer{width:calc(100% - 40px)}
.header{padding:16px 20px;gap:12px;flex-wrap:wrap}
.wordmark{font-size:16px}
nav{gap:18px;flex-wrap:wrap}
nav a{padding:3px 0;font-size:11px}
.intro{padding:54px 0 48px}
.intro h1{font-size:clamp(21px,5.6vw,28px);line-height:1.5;letter-spacing:-.02em}
.intro p{font-size:13px;margin-top:24px}
.intro p br,.contact-intro br{display:none}
section:not(.intro){padding-bottom:44px}
h2{font-size:24px;margin-bottom:24px}
.products{grid-template-columns:1fr;gap:16px}
.products h2{margin-bottom:8px}
.products .product{grid-template-columns:56px minmax(0,1fr);gap:14px;padding:26px 20px}
.product-icon{width:56px;height:56px}
.product-heading h3{font-size:14px}
.product-heading{gap:8px;margin-bottom:10px}
.service-list{grid-template-columns:1fr;gap:16px}
.service-list article{padding:26px 22px}
.contact{padding-top:36px!important}
.contact-intro{font-size:13px;margin-bottom:28px}
footer{flex-direction:column;align-items:flex-start;gap:15px;padding:22px 0 28px}
}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){.header{background:rgba(255,255,255,.97)}}
@media(prefers-reduced-transparency:reduce){.header{background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}nav a,button{transition:none}}