:root{
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI","Hiragino Sans","Yu Gothic UI",sans-serif;
  color:#172521;background:#f3f5f2;
  --ink:#172521;--muted:#5c6e67;--line:#d9e0dc;--paper:#fff;--accent:#1f6656;--accent-2:#dfece7;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;overflow-x:hidden}a{color:inherit}p,h1,h2,h3,h4,li,a,dd{overflow-wrap:anywhere}
main{width:100%;max-width:1180px;margin:auto;padding:0 28px 48px}.hero{padding:78px 0 64px;border-bottom:1px solid var(--line)}
.eyebrow,.section-label,.tag{font-size:12px;letter-spacing:.14em;font-weight:800;color:var(--accent)}
.identity{font-size:18px;font-weight:750;margin:20px 0 0;color:#344a42}
h1{font-size:clamp(44px,6.8vw,78px);letter-spacing:-.055em;line-height:1.03;margin:12px 0 24px;max-width:940px}
h2{font-size:clamp(28px,4vw,40px);letter-spacing:-.035em;line-height:1.18;margin:12px 0 16px}
h3{font-size:24px;letter-spacing:-.025em;margin:14px 0}.lead{max-width:820px;font-size:18px;line-height:1.9;color:#3f554d}
.concept{font-size:20px;font-weight:800;margin:28px 0 0;color:var(--accent)}
.hero-actions,.card-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:28px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border-radius:11px;text-decoration:none;font-weight:750;border:1px solid var(--accent);transition:transform .15s ease}
.button.primary{background:var(--accent);color:#fff}.button.secondary{background:transparent;color:var(--accent)}
.button:hover{transform:translateY(-1px)}.button:focus-visible,.text-link:focus-visible,footer a:focus-visible{outline:3px solid #d1a14b;outline-offset:3px}
.notice,.small{font-size:13px;line-height:1.7;color:var(--muted)}.notice{margin-top:24px}
.overview,.access{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:60px;padding:56px 0;border-bottom:1px solid var(--line)}
.overview>*,.access>*,.card,.process-grid>*,.profile-grid>*{min-width:0}.overview>p,.access p{font-size:17px;line-height:1.85;color:#465c54;margin:0}
.section-block{padding:64px 0;border-bottom:1px solid var(--line)}.section-heading{max-width:760px;margin-bottom:30px}.section-heading>p:last-child{color:#4c6159;line-height:1.8}
.works{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card{background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:30px;display:flex;flex-direction:column;box-shadow:0 12px 35px rgba(24,52,43,.045)}
.card.featured{border-color:#9fc1b6}.card.visual{background:linear-gradient(145deg,#fffaf0,#f7efe1)}.card-top{display:flex;justify-content:space-between;gap:16px;align-items:center}
.index{font:700 14px ui-monospace,SFMono-Regular,monospace;color:#83928d}.card>p{line-height:1.8;color:#4c6159}
.case-mini{margin:20px 0 0;border-top:1px solid var(--line)}.case-mini div{display:grid;grid-template-columns:92px 1fr;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.case-mini dt{font-size:12px;font-weight:800;color:var(--accent);letter-spacing:.06em}.case-mini dd{margin:0;font-size:14px;line-height:1.6;color:#42574f}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:22px}.meta span{font-size:12px;padding:7px 9px;background:#eef3f1;border-radius:999px;color:#4c6159}
.text-link{font-weight:700;color:var(--accent);text-decoration:none}
.case-studies{padding-top:72px}.case-study{display:grid;grid-template-columns:80px minmax(0,1fr);gap:28px;padding:36px 0;border-top:1px solid var(--line);scroll-margin-top:24px}
.case-number{font:700 15px ui-monospace,SFMono-Regular,monospace;color:#8b9994;padding-top:6px}.case-copy h3{font-size:clamp(24px,3vw,34px);max-width:800px}
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px}.case-grid>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px}
.case-grid h4{font-size:13px;color:var(--accent);margin:0 0 10px;text-transform:uppercase;letter-spacing:.08em}.case-grid p{margin:0;line-height:1.75;color:#4b6058}
.process{border-top:0}.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px}.process-grid>div{background:#e9efec;border-radius:16px;padding:24px}
.process-grid strong{font:700 13px ui-monospace,SFMono-Regular,monospace;color:var(--accent)}.process-grid p{line-height:1.75;color:#4c6159}
.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.profile-grid>article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.profile-grid p,.profile-grid li{line-height:1.8;color:#4c6159}.profile-grid ul{padding-left:20px}.skill-groups{display:grid;gap:14px;margin-top:18px}.skill-groups div{padding-top:14px;border-top:1px solid var(--line)}
.skill-groups strong{font-size:13px;color:var(--accent)}.skill-groups p{margin:5px 0 0}.contact{max-width:760px}.contact>p{line-height:1.85;color:#4c6159}
footer{display:flex;justify-content:space-between;align-items:center;padding:34px 0 0;color:var(--muted);font-size:13px}footer a{text-decoration:none;font-weight:700}
@media(max-width:900px){.case-grid{grid-template-columns:1fr}.case-study{grid-template-columns:50px minmax(0,1fr)}}
@media(max-width:820px){main{padding:0 18px 36px}.hero{padding:56px 0 46px}.works{grid-template-columns:1fr}.overview,.access,.profile-grid{grid-template-columns:1fr;gap:18px}.process-grid{grid-template-columns:1fr}.card{min-height:auto}}
@media(max-width:520px){h1{font-size:42px}.card{padding:22px;border-radius:18px}.button{width:100%}.card-actions .text-link{padding:8px 0}.hero-actions{align-items:stretch}.case-study{grid-template-columns:1fr;gap:8px}.case-number{padding-top:0}.case-mini div{grid-template-columns:1fr;gap:4px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button:hover{transform:none}}