@font-face{font-family:CourseLexRounded;src:url("assets/brand/kosugi-brand.woff2") format("woff2");font-weight:400;font-display:swap;unicode-range:U+5947,U+70B9}
@font-face{font-family:CourseLexEnglish;src:url("assets/brand/english-rounded.woff2") format("woff2");font-weight:700;font-display:swap}
/* Approved 奇点 identity; keep learning controls and neutral palette. */
.brandLockup{display:flex;align-items:center;gap:9px;flex-shrink:0;color:#145a48;text-decoration:none;line-height:1.15;letter-spacing:0}.brandLockup img{width:44px;height:44px;object-fit:contain}.brandLockup span{display:flex;flex-direction:column;gap:4px}.brandLockup strong{font-family:CourseLexRounded,sans-serif;font-size:18px;font-weight:400;letter-spacing:1px}.brandLockup small{font-family:"Arial Rounded MT Bold",CourseLexEnglish,sans-serif;font-size:11px;font-weight:700;letter-spacing:.1px}.adminBrandLabel{font-size:13px;color:var(--muted);margin-right:auto}.lexIntro{display:flex;align-items:center;gap:12px;padding:15px;border:1px solid #c8dfd3;border-radius:14px;background:#eef5ef;margin-bottom:20px}.lexIntro img{flex-shrink:0;object-fit:contain}.lexIntro strong{font-size:14px;color:#145a48}.lexIntro p{font-size:13px;line-height:1.6;margin:5px 0 0;color:var(--muted)}.hero h1{font-size:44px;max-width:620px;line-height:1.2;letter-spacing:-1.5px}.signature p{line-height:1.8}
@media(max-width:600px){.brandLockup{gap:6px}.brandLockup img{width:36px;height:36px}.brandLockup strong{font-family:CourseLexRounded,sans-serif;font-size:17px}.brandLockup small{font-size:10px}.hero h1{font-size:32px;letter-spacing:-1px}.adminBrandLabel{display:none}}
@media(max-width:360px){header,main{margin-left:16px;margin-right:16px}.compactSync{font-size:11px;padding:6px}.navMenu summary{padding:9px 11px}.navMenu summary span{margin-left:5px}.brandLockup img{width:30px;height:30px}.brandLockup small{font-size:9px}.hero h1{font-size:28px}}