/* t4t.alttn.com — Adam's direction (Oct 8): white space, little color, big readable type, utility over decoration. */
html:has(body.t4t){background:#fff}
body.t4t{background:#fff;min-height:100vh;color:var(--ink);font-size:18px;line-height:1.5}
.t4t header{display:flex;align-items:center;gap:12px;padding:14px 18px;position:sticky;top:0;background:var(--navy);color:#fff;z-index:5;box-shadow:0 2px 12px rgba(0,0,0,.18)}
.t4t header img{height:34px}
.t4t header .ttl{font-family:var(--h);font-weight:800;color:#fff;font-size:17px;line-height:1.1}
.t4t header .ttl small{display:block;font-weight:600;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:rgba(255,255,255,.7)}
.t4t header .lang{margin-left:auto;font:inherit;font-size:15px;font-weight:700;color:#fff;background:none;border:2px solid rgba(255,255,255,.4);border-radius:999px;padding:7px 14px;cursor:pointer}
.t4t header .lang:hover,.t4t header .lang:focus{border-color:#fff;outline:none}
.t4t main{max-width:760px;margin:0 auto;padding:22px 18px 60px}
.t4t h1{font-size:30px;margin:6px 0 6px}
.t4t h2{font-size:21px;margin:34px 0 4px;color:var(--navy)}
.t4t .lead{color:#4b5160;font-size:18px;margin:0 0 6px}
.t4t .sub{color:var(--muted);font-size:15px;margin:0 0 12px}
.t4t .langs{display:grid;gap:12px;margin-top:22px}
.t4t .langs button{display:flex;justify-content:space-between;align-items:center;width:100%;padding:20px 22px;border:2px solid var(--line);border-radius:16px;background:#fff;font:inherit;font-family:var(--h);font-size:22px;font-weight:800;color:var(--navy);cursor:pointer;text-align:left}
.t4t .langs button:hover,.t4t .langs button:focus{border-color:var(--navy);outline:none}
.t4t .langs button small{font-family:var(--b);font-weight:600;font-size:14px;color:var(--muted)}
.t4t .res{border:1px solid var(--line);border-radius:16px;padding:18px 18px 16px;margin:12px 0;display:grid;grid-template-columns:44px 1fr;gap:4px 14px}
.t4t .res .ic{font-size:30px;line-height:1;grid-row:span 3;padding-top:2px}
.t4t .res h3{font-size:19px;margin:0;color:var(--navy);line-height:1.3}
.t4t .res p{margin:2px 0 0;color:#4b5160;font-size:16px}
.t4t .meta{display:flex;flex-wrap:wrap;gap:6px 12px;font-size:14px;color:var(--muted);margin-top:6px}
.t4t .note{font-weight:700;color:var(--navy)}
.t4t .acts{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.t4t .b{display:inline-flex;align-items:center;gap:8px;padding:13px 18px;border-radius:12px;font:inherit;font-family:var(--h);font-weight:800;font-size:16px;text-decoration:none;cursor:pointer;border:2px solid var(--navy);color:var(--navy);background:#fff}
.t4t .b.main{background:var(--navy);color:#fff}
.t4t .b.big{padding:18px 22px;font-size:19px;width:100%;justify-content:center}
.t4t .soon{font-size:15px;color:var(--muted);font-style:italic}
.t4t .fallback{font-size:15px;color:#7a5600;background:#fff8e6;border-radius:10px;padding:8px 12px;margin-top:8px;grid-column:1/-1}
.t4t .sheet{position:fixed;inset:auto 0 0 0;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 30px rgba(0,0,0,.12);padding:18px 18px 26px;border-radius:18px 18px 0 0;z-index:20;max-width:760px;margin:0 auto}
.t4t .sheet h3{margin:0 0 4px;color:var(--navy)}
.t4t .sheet .acts{display:grid;gap:10px}
.t4t .scrim{position:fixed;inset:0;background:rgba(0,0,0,.3);z-index:19}
.t4t .single{border:1px solid var(--line);border-radius:18px;padding:24px 20px;text-align:center;margin-top:10px}
.t4t .single .ic{font-size:54px}
.t4t .single h1{font-size:26px}
.t4t footer{max-width:760px;margin:0 auto;padding:10px 18px 40px;color:var(--muted);font-size:15px;border-top:1px solid var(--line)}
.t4t .hide{display:none!important}
.t4t .toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 18px;border-radius:12px;font-weight:700;z-index:30}
@media print{.t4t header .lang,.t4t .acts,.t4t footer{display:none}}
@media (max-width:560px){
  .t4t header{gap:10px;padding:10px 14px}
  .t4t header img{height:26px}
  .t4t header .ttl{font-size:15px;white-space:nowrap}
  .t4t header .ttl small{display:none}
  .t4t header .lang{font-size:14px;padding:6px 11px;white-space:nowrap;flex:0 0 auto}
}