/* 生成物。手で直さない。正は ai-fab.js の CSS（build_media.js が書き出す） */
/* ---------- 右下に常駐する「AIに相談」（FAB） ----------
     ★ assets/css/style.css にも同じ見た目の定義がある。片方だけ直さないこと。 */
  .aifab{position:fixed;right:1rem;bottom:1rem;z-index:195}
  .aifab>summary{list-style:none;cursor:pointer}
  .aifab>summary::-webkit-details-marker{display:none}
  .aifab__btn{
    position:relative;display:flex;align-items:center;justify-content:center;gap:0;
    width:58px;height:58px;border-radius:999px;
    background:linear-gradient(145deg,var(--b-400,#F4AE9A),var(--b-600,#D9694E));
    color:#fff;border:2px solid #fff;
    box-shadow:0 4px 10px -2px rgb(120 62 45 / .32), 0 12px 28px -10px rgb(120 62 45 / .45);
    transition:width .22s cubic-bezier(.32,.72,0,1), transform .18s cubic-bezier(.32,.72,0,1),
               box-shadow .18s ease, border-radius .22s ease;
  }
  /* 脈打つ輪は置かない。端でちらついて読む邪魔になる（2026-09-21 指摘） */
  .aifab__ico{width:26px;height:26px;flex:none}
  .aifab__lb{
    max-width:0;overflow:hidden;white-space:nowrap;opacity:0;
    font-weight:700;font-size:.86rem;letter-spacing:.01em;
    transition:max-width .22s cubic-bezier(.32,.72,0,1), opacity .18s ease, margin .22s ease;
  }
  /* 広い画面ではホバーでラベルが開く。狭い画面は丸のまま */
  @media(hover:hover) and (min-width:641px){
    .aifab__btn:hover{width:auto;padding:0 1.1rem 0 1.25rem;border-radius:999px;transform:translateY(-2px)}
    .aifab__btn:hover .aifab__lb{max-width:9rem;opacity:1;margin-right:.55rem}
  }
  .aifab>summary:focus-visible{outline:2px solid var(--b-600,#D9694E);outline-offset:3px;border-radius:999px}

  /* 開いた状態 */
  .aifab[open]>summary .aifab__btn,
  .aifab[open] .aifab__btn{transform:rotate(45deg)}
  .aifab__pop{
    position:absolute;right:0;bottom:calc(58px + .7rem);width:min(20rem,calc(100vw - 2rem));
    background:radial-gradient(120% 140% at 0% 0%, #FFF6F2 0%, var(--b-100,#FDECE6) 46%, #FCE3DA 100%);
    border:1px solid var(--b-200,#FBDACF);border-radius:20px;padding:1.05rem 1.05rem 1.1rem;
    box-shadow:0 2px 6px rgb(120 62 45 / .10), 0 18px 40px -16px rgb(120 62 45 / .5);
    animation:aifabIn .2s cubic-bezier(.32,.72,0,1);
  }
  @keyframes aifabIn{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
  .aifab__h{font-family:var(--f-display,sans-serif);font-weight:700;font-size:.95rem;
            color:var(--g-800,#302729);margin-bottom:.25rem;line-height:1.5}
  .aifab__s{font-size:.76rem;color:var(--g-500,#77686C);line-height:1.7;margin-bottom:.8rem}
  .fchips{display:grid;grid-template-columns:1fr;gap:.45rem}
  .fchip{
    display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink,#2E2528);
    background:#fff;border:1px solid rgb(255 255 255 / .9);border-radius:14px;padding:.62rem .72rem;
    box-shadow:0 1px 2px rgb(120 62 45 / .07);
    transition:transform .16s cubic-bezier(.32,.72,0,1), box-shadow .16s ease, border-color .16s ease;
  }
  .fchip__i{flex:none;width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
            background:color-mix(in srgb, currentColor 12%, #fff)}
  .fchip__i svg{width:17px;height:17px}
  .fchip__n{font-weight:700;font-size:.82rem;line-height:1.3}
  .fchip__go{margin-left:auto;flex:none;width:14px;height:14px;stroke:var(--g-400,#AC9EA1);
             fill:none;stroke-width:2.1;stroke-linecap:round;stroke-linejoin:round;
             transition:transform .16s ease, stroke .16s ease}
  .fchip:hover{transform:translateY(-1px);border-color:var(--b-300,#F8C3B3);
               box-shadow:0 10px 20px -12px rgb(120 62 45 / .4)}
  .fchip:hover .fchip__go{transform:translateX(3px);stroke:var(--b-600,#D9694E)}

  @media(max-width:640px){
    .aifab{right:.8rem;bottom:.8rem}
    .aifab__btn{width:52px;height:52px}
    .aifab__ico{width:23px;height:23px}
    .aifab__pop{bottom:calc(52px + .6rem)}
  }
  @media(prefers-reduced-motion:reduce){
    .aifab__btn,.aifab__lb,.aifab__pop{transition:none;animation:none}
  }