:root{--bg:#e9ecee;--panel:#f7f8f9;--text:#1e1712;--muted:#5b554f;--line:#c8ccd0;--accent:#1f5fd6;--on:#fff;
box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#201813;--panel:#2b211a;--text:#f1e8da;--muted:#b9ab98;--line:#46372c;--accent:#7aa9ff;--on:#0b1220}}
:root[data-theme="dark"]{--bg:#201813;--panel:#2b211a;--text:#f1e8da;--muted:#b9ab98;--line:#46372c;--accent:#7aa9ff;--on:#0b1220}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:400 1.05rem/1.6 "Instrument Sans",system-ui,sans-serif}
h1,h2,h3,.mark{font-family:"Bricolage Grotesque","Instrument Sans",system-ui,sans-serif;line-height:1.05;margin:0}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:18px;padding-bottom:18px}
.mark{font-weight:800;font-size:1.35rem;letter-spacing:-.01em}
a{color:inherit}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;touch-action:manipulation;background:var(--accent);color:var(--on);font:600 1rem "Instrument Sans",sans-serif;border:0;border-radius:10px;padding:13px 22px;text-decoration:none;cursor:pointer}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.hero{padding:40px 0 64px}
.hero h1{font-weight:800;font-size:clamp(2.5rem,8vw,5rem);letter-spacing:-.03em;max-width:12ch}
.hero p.lead{max-width:56ch;color:var(--muted);margin:18px 0 32px;font-size:1.15rem}
.bench{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:16px}
.bench canvas{display:block;width:100%;height:auto;border-radius:16px}
.ctl{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:16px}
.ctl label,.grp>span{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}
input,select,textarea{width:100%;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:11px 12px}
.grp{grid-column:1/-1}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{font:600 .95rem "Instrument Sans",sans-serif;color:var(--text);background:transparent;border:1px solid var(--line);border-radius:999px;min-height:44px;padding:10px 18px;cursor:pointer;touch-action:manipulation}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--on);border-color:var(--accent)}
.acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.sec{padding:64px 0;border-top:1px solid var(--line)}
.sec h2{font-weight:800;font-size:clamp(1.8rem,5vw,2.8rem);letter-spacing:-.02em;margin-bottom:10px}
.sec .sub{color:var(--muted);max-width:54ch;margin:0 0 32px}
.row{display:grid;grid-template-columns:1.1fr 2fr 1fr;gap:16px;padding:20px 0;border-top:1px solid var(--line)}
.row h3{font-size:1.25rem;font-weight:800}
.row p{margin:0;color:var(--muted);max-width:52ch}
.row span{color:var(--muted);font-size:.95rem}
.steps{list-style:none;counter-reset:s;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.steps li{counter-increment:s}
.steps li::before{content:counter(s);display:block;font:800 2.4rem "Bricolage Grotesque",sans-serif;color:var(--accent);margin-bottom:8px}
.steps h3{font-size:1.15rem;margin-bottom:6px}
.steps p{margin:0;color:var(--muted)}
form.q{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:760px}
form.q .full{grid-column:1/-1}
form.q label{display:block;font-weight:600;font-size:.92rem;margin-bottom:6px}
#done{display:none;max-width:760px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}
#done pre{white-space:pre-wrap;font:inherit;margin:12px 0}
footer{border-top:1px solid var(--line);padding:32px 0;color:var(--muted)}
.bar{display:none}
@media (max-width:760px){.row{grid-template-columns:1fr;gap:6px}.steps{grid-template-columns:1fr}.ctl,form.q{grid-template-columns:1fr}.hero{padding:24px 0 48px}.sec{padding:48px 0}.bench{padding:12px;border-radius:14px}.seg button{flex:1 1 auto}.hero .acts .btn{flex:1 1 100%}footer{padding-bottom:96px}.bar{display:block;position:fixed;left:0;right:0;bottom:0;z-index:5;background:var(--bg);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px))}.bar .btn{width:100%}}
.emblem{width:min(220px,60vw);aspect-ratio:520/377;background:var(--text);-webkit-mask:url(/images/logo.1fe6b07d.png) center/contain no-repeat;mask:url(/images/logo.1fe6b07d.png) center/contain no-repeat}
.foot{display:flex;flex-wrap:wrap;gap:28px;align-items:center}
.foot a{text-decoration:none;border-bottom:1px solid var(--line)}
.grid{columns:2;column-gap:12px}
.grid figure{margin:0 0 14px;break-inside:avoid}
.grid figure button{display:block;width:100%;padding:0;border:0;background:none;cursor:pointer;border-radius:12px;overflow:hidden;touch-action:manipulation}
.grid img{display:block;width:100%;height:auto;border-radius:12px;background:var(--panel)}
.grid figcaption{font-size:.9rem;color:var(--muted);padding:6px 2px 0}
@media (min-width:761px){.grid{columns:3;column-gap:16px}}
#lb{border:0;padding:0;background:transparent;width:min(94vw,760px);max-height:94vh;color:var(--text)}
#lb::backdrop{background:rgba(0,0,0,.85)}
.lbbox{background:var(--panel);border-radius:14px;overflow:hidden}
#lbi{display:block;width:100%;max-height:68vh;object-fit:contain;background:#000}
.lbbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:12px 14px}
#lbn{color:var(--muted);font-size:.9rem}