:root{--bg:#0C0B08;--deep:#080706;--panel:#161410;--panel2:#1E1A14;--title:#F3E6C0;--text:#E4D6B0;--sub:#B89A58;--muted:#8A7040;--gold:#C9A227;--bright:#E0C056;--deepgold:#8A6E18;--copper:#8A5A2A;--cream:#F7EFD4;--border:rgba(201,162,39,.22);--strong:rgba(201,162,39,.50);--shadow:0 12px 28px rgba(0,0,0,.45)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.is-locked{overflow:hidden}a{color:inherit;text-decoration:none}button{font:inherit}.skip-link{position:fixed;left:12px;top:-80px;z-index:200;background:var(--bright);color:#1A1408;padding:8px 12px;border-radius:6px}.skip-link:focus{top:8px}.site-header{position:fixed;left:0;right:0;top:0;z-index:70;background:var(--deep);box-shadow:0 6px 16px rgba(0,0,0,.25)}.notice-bar{height:20px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;background:#070603;color:var(--bright);font-size:12px}.notice-brand{font-weight:700;letter-spacing:.08em}.text-button,.menu-open,.sheet-close,.search-head button{border:0;background:none;color:var(--bright);cursor:pointer}.text-button{height:20px;padding:0 6px}.brand-bar{height:52px;display:grid;grid-template-columns:minmax(160px,1fr) auto minmax(160px,1fr);align-items:center;gap:14px;padding:0 20px;border-bottom:1px solid var(--strong);background:var(--deep)}.brand-home{justify-self:start;min-height:44px;display:flex;align-items:center}.brand-logo{display:block;height:24px;max-width:170px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;color:var(--title);font-weight:700}.brand-en{font-size:13px;color:var(--bright);letter-spacing:.16em;white-space:nowrap}.brand-actions{justify-self:end;display:flex;align-items:center;gap:8px}.header-app,.menu-open{height:44px;min-width:64px;display:inline-flex;align-items:center;justify-content:center;color:var(--bright);border:1px solid var(--border);border-radius:6px}.header-app:hover,.menu-open:hover,.header-app:focus-visible,.menu-open:focus-visible{border-color:var(--strong);outline:none;background:rgba(201,162,39,.08)}.double-nav{height:64px;background:#0A0906;border-bottom:1px solid var(--border);display:flex;flex-direction:column;justify-content:center}.double-nav-row{height:32px;display:flex;align-items:center;justify-content:center;gap:30px}.double-nav a{height:30px;padding:2px 4px;color:var(--text);font-size:13px;border-bottom:2px solid transparent}.double-nav a:hover,.double-nav a:focus-visible,.double-nav a.is-current{color:var(--bright);border-bottom-color:var(--bright);outline:none}.site-shell{max-width:1148px;margin:0 auto;padding-top:154px;display:grid;grid-template-columns:148px minmax(0,980px);gap:20px;padding-left:16px;padding-right:16px}.side-nav{position:sticky;top:154px;align-self:start;max-height:calc(100vh - 166px);overflow:auto;padding:12px 10px;border:1px solid var(--border);border-radius:8px;background:var(--deep)}.side-nav section+section{margin-top:12px;padding-top:10px;border-top:1px solid var(--border)}.side-nav h2{font-size:12px;color:var(--muted);margin:0 0 6px;letter-spacing:.12em}.side-nav a{display:block;padding:6px 4px;color:var(--sub);font-size:13px}.side-nav a:hover,.side-nav a:focus-visible,.side-nav a.is-current{color:var(--bright);outline:none}.page-main{min-width:0;padding:0 0 42px}.page-main h1{margin:0 0 14px;color:var(--title);font-size:24px;line-height:1.3}.page-main h2{font-size:20px;line-height:1.4;color:var(--title);margin:0 0 12px}.page-main h3{font-size:16px;line-height:1.45;color:var(--title);margin:0 0 8px}.page-main p{margin:0 0 12px}.eyebrow{font-size:12px;color:var(--bright);letter-spacing:.16em;text-transform:uppercase;margin-bottom:8px}.lead{font-size:16px;color:var(--cream);max-width:780px}.page-intro{padding:26px 26px 24px;border:1px solid var(--border);border-radius:10px;background:linear-gradient(180deg,#15120D 0%,#0E0C08 100%);box-shadow:var(--shadow);margin-bottom:24px}.page-intro.compact{padding-bottom:18px}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.btn{height:42px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;border-radius:7px;font-size:14px;font-weight:700;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,#E0C056 0%,#C9A227 55%,#8A6E18 100%);color:#1A1408}.btn-secondary{background:#0A0906;border:1px solid var(--strong);color:var(--bright)}.btn:hover{filter:brightness(1.06)}.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--bright);outline-offset:2px}.content-section{margin:0 0 24px;padding:22px;border:1px solid var(--border);border-radius:8px;background:var(--panel)}.content-section.dark{background:var(--deep);border-color:var(--strong)}.content-section.flush{padding:0;overflow:hidden}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:12px}.section-head p{margin:0;color:var(--sub);font-size:13px}.image-slot{margin:0;background:#090805;border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;overflow:hidden;min-height:120px}.image-slot img{width:100%;height:100%;display:block;object-fit:contain;object-position:center}.slot-176{height:176px}.slot-160{height:160px}.slot-200{height:200px}.slot-app{height:300px}.slot-icon{width:64px;height:64px;min-height:64px}.number-list{display:grid;gap:14px}.number-item{display:grid;grid-template-columns:96px minmax(0,1fr);gap:18px;padding:16px 0;border-top:1px solid var(--border)}.number-item:first-child{border-top:0}.number-label{color:var(--bright);font-weight:700;letter-spacing:.08em}.number-body p:last-child{margin-bottom:0}.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.note-card{padding:18px;border:1px solid var(--border);border-radius:8px;background:var(--panel2)}.note-card .image-slot{margin:0 0 14px}.node-flow{display:flex;gap:12px;flex-wrap:wrap}.node{flex:1 1 190px;min-width:0;padding:16px;border-left:2px solid var(--gold);background:#11100C}.node small{display:block;color:var(--muted);font-size:12px;margin-bottom:4px}.works-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.work-card{padding:18px;border:1px solid var(--border);border-radius:8px;background:#11100D}.work-card p{color:var(--text)}.three-periods{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.period{padding:18px;border-top:2px solid var(--gold);background:var(--panel)}.status-list{display:grid;gap:10px}.status-row{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:start;padding:14px 16px;background:var(--panel);border:1px solid var(--border);border-radius:8px}.status{display:inline-flex;align-items:center;justify-content:center;min-height:30px;padding:2px 8px;border:1px solid var(--strong);border-radius:999px;color:var(--bright);font-size:12px}.app-band{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:24px;align-items:center;padding:24px;border:1px solid var(--strong);border-radius:10px;background:#080706}.app-visual{display:grid;grid-template-columns:1fr 64px;gap:10px;align-items:end}.bullets{margin:0;padding-left:1.2em}.bullets li{margin:7px 0}.faq-short{display:grid;gap:10px}.faq-short details{border:1px solid var(--border);background:var(--panel);border-radius:8px;padding:12px 14px}.faq-short summary{cursor:pointer;color:var(--title);font-weight:700}.faq-short p{margin:8px 0 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var(--border)}.term-block:last-child{border-bottom:0}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.contact-card{padding:18px;border:1px solid var(--border);background:var(--panel);border-radius:8px}.faq-list{display:grid;gap:12px}.faq-item{padding:18px;border:1px solid var(--border);border-radius:8px;background:var(--panel)}.faq-item h2{font-size:16px}.banner-wrap{margin-bottom:18px}.brand-quote{font-size:19px;line-height:1.7;color:var(--cream);padding:20px 22px;border-left:3px solid var(--bright);background:#100E0A}.inline-links{display:flex;flex-wrap:wrap;gap:8px}.inline-links a{min-height:40px;padding:7px 12px;border:1px solid var(--border);border-radius:6px;color:var(--bright);display:inline-flex;align-items:center}.site-footer{border-top:1px solid var(--strong);background:var(--deep);color:var(--text);font-size:13px}.footer-inner{max-width:1148px;margin:0 auto;padding:26px 16px 72px}.footer-brand{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--border)}.footer-logo{height:24px;max-width:170px;object-fit:contain}.footer-brand strong{display:block;color:var(--title);font-size:15px}.footer-brand span{display:block;color:var(--sub);font-size:11px;letter-spacing:.12em}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:20px 0}.footer-grid h2{font-size:13px;color:var(--bright);margin:0 0 8px}.footer-grid a{display:block;padding:3px 0;color:var(--text)}.footer-grid a:hover{color:var(--bright)}.footer-note{color:var(--sub);max-width:860px}.copyright{color:var(--muted);margin-bottom:0}.overlay{position:fixed;inset:0;z-index:90;background:rgba(0,0,0,.65);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-visible{opacity:1;visibility:visible}.menu-sheet{position:fixed;z-index:100;left:0;right:0;bottom:0;max-height:72vh;overflow:auto;background:#0B0906;border-top:1px solid var(--strong);box-shadow:0 -16px 40px rgba(0,0,0,.5);transform:translateY(102%);visibility:hidden;pointer-events:none;transition:transform .22s ease}.menu-sheet.is-open{transform:translateY(0);visibility:visible;pointer-events:auto}.sheet-head{position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;height:58px;padding:0 20px;background:#0B0906;border-bottom:1px solid var(--border)}.sheet-brand{display:flex;align-items:center;gap:10px}.sheet-brand img{height:24px;max-width:160px;object-fit:contain}.sheet-close{min-width:56px;min-height:44px}.sheet-groups{max-width:980px;margin:0 auto;padding:16px 20px 26px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.sheet-groups h2{font-size:13px;color:var(--bright);margin:0 0 8px}.sheet-groups a{display:block;padding:9px 0;border-bottom:1px solid var(--border)}.sheet-groups b{display:block;color:var(--title);font-size:14px}.sheet-groups span{display:block;color:var(--sub);font-size:12px;line-height:1.5;margin-top:2px}.search-layer{position:fixed;z-index:105;left:50%;top:80px;width:min(620px,calc(100% - 32px));transform:translate(-50%,-14px);opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.search-layer.is-open{transform:translate(-50%,0);opacity:1;visibility:visible;pointer-events:auto}.search-card{padding:20px;border:1px solid var(--strong);border-radius:10px;background:#0B0906;box-shadow:var(--shadow)}.search-head{display:flex;justify-content:space-between;align-items:center}.search-head h2{margin:0;color:var(--title);font-size:18px}.search-head button{min-width:56px;min-height:44px}.preset-search{display:flex;flex-wrap:wrap;gap:8px}.preset-search a{min-height:40px;padding:7px 12px;border:1px solid var(--border);border-radius:6px;color:var(--bright);display:inline-flex;align-items:center}.mobile-bottom{display:none}.muted{color:var(--sub)}.fineprint{font-size:13px;color:var(--muted)}
@media(max-width:860px){.brand-bar{grid-template-columns:1fr auto;padding:0 12px}.brand-en{display:none}.double-nav,.side-nav{display:none}.site-shell{display:block;padding-top:88px;padding-left:16px;padding-right:16px}.page-main{padding-bottom:72px}.header-app,.menu-open{min-width:60px}.page-intro{padding:20px}.note-grid,.works-grid,.contact-grid,.three-periods{grid-template-columns:1fr}.number-item{grid-template-columns:1fr;gap:6px}.method-step{grid-template-columns:1fr;gap:6px}.app-band{grid-template-columns:1fr}.app-visual{grid-template-columns:minmax(0,1fr) 64px;max-width:300px}.footer-grid{grid-template-columns:1fr 1fr}.sheet-groups{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;z-index:80;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#0A0906;border-top:1px solid var(--strong)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text)}.mobile-bottom a.is-current{background:var(--gold);color:#1A1408;font-weight:800}.site-footer{padding-bottom:48px}.footer-inner{padding-bottom:30px}.search-layer{inset:0;width:auto;transform:none;background:#080706}.search-layer.is-open{transform:none}.search-card{border:0;border-radius:0;min-height:100%;padding:26px 16px}.slot-app{height:280px}}
@media(max-width:520px){.notice-bar{padding:0 10px}.brand-bar{gap:8px}.brand-actions{gap:5px}.header-app,.menu-open{min-width:54px;padding:0 8px}.brand-logo{max-width:132px}.page-main h1{font-size:23px}.content-section{padding:18px 16px}.sheet-groups{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:14px}.slot-176{height:160px}.slot-200{height:180px}.slot-app{height:260px}}