.nadbs-chat-btn,.nadbs-chat-panel{--g:#2A7A4B;--gd:#1E5A38;--gs:#EEF6F0;--gl:#D5E8DA;--y:#F3C331;--ink:#17221C;--mu:#46564C;font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;box-sizing:border-box;z-index:99990}
.nadbs-chat-panel *,.nadbs-chat-btn *{box-sizing:border-box;font-weight:inherit}
.nadbs-chat-btn{position:fixed;right:16px;bottom:16px;display:flex;align-items:center;gap:10px;background:var(--g);color:#fff;border:0;border-radius:999px;padding:10px 18px 10px 10px;box-shadow:0 6px 20px rgba(0,0,0,.2);cursor:pointer;font-size:14px;font-weight:700;line-height:1.3;text-align:left}
.nadbs-chat-btn:hover{background:var(--gd)}
.nadbs-chat-btn small{display:block;font-size:11px;font-weight:400;opacity:.9}
.nadbs-chat-btn-ico{flex:none;width:34px;height:34px;border-radius:50%;background:var(--y);color:#3A2E00;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700}
.nadbs-chat-btn[hidden],.nadbs-chat-panel[hidden]{display:none!important}
.nadbs-chat-panel{position:fixed;right:16px;bottom:16px;width:380px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100vh - 32px);background:#fff;color:var(--ink);border-radius:18px;box-shadow:0 10px 40px rgba(0,0,0,.25);display:flex;flex-direction:column;overflow:hidden;font-size:14.5px;line-height:1.75}
.nadbs-chat-head{display:flex;align-items:center;justify-content:space-between;background:var(--g);color:#fff;padding:12px 14px}
.nadbs-chat-ttl strong{display:block;font-size:15px;font-weight:700}
.nadbs-chat-ttl span{font-size:11.5px;opacity:.9}
.nadbs-chat-close{background:transparent;border:0;color:#fff;font-size:26px;line-height:1;cursor:pointer;padding:0 4px}
.nadbs-chat-log{flex:1;overflow-y:auto;padding:14px;background:var(--gs);display:flex;flex-direction:column;gap:10px}
.nadbs-chat-msg{max-width:88%;padding:10px 12px;border-radius:14px;white-space:pre-wrap;word-break:break-word}
.nadbs-chat-assistant{align-self:flex-start;background:#fff;border:1px solid var(--gl)}
.nadbs-chat-user{align-self:flex-end;background:var(--g);color:#fff}
.nadbs-chat-msg a{color:var(--g);font-weight:700;text-decoration:underline}
.nadbs-chat-user a{color:#fff}
.nadbs-chat-wait{color:var(--mu);font-style:normal}
.nadbs-chat-chips{display:flex;flex-wrap:wrap;gap:6px;padding:8px 12px;background:var(--gs);border-top:1px solid var(--gl)}
.nadbs-chat-chips[hidden]{display:none}
.nadbs-chat-chip{background:#fff;border:1px solid var(--g);color:var(--gd);border-radius:999px;padding:4px 10px;font-size:12.5px;cursor:pointer}
.nadbs-chat-form{display:flex;gap:8px;padding:10px;border-top:1px solid var(--gl)}
.nadbs-chat-form textarea{flex:1;resize:none;border:1px solid var(--gl);border-radius:10px;padding:8px 10px;font:inherit;font-size:14px;color:var(--ink);min-height:44px}
.nadbs-chat-send{flex:none;background:var(--y);color:#3A2E00;border:0;border-radius:10px;padding:0 16px;font-weight:700;cursor:pointer}
.nadbs-chat-send:disabled{opacity:.5;cursor:default}
.nadbs-chat-foot{font-size:11.5px;color:var(--mu);padding:0 12px 10px;line-height:1.6}
.nadbs-chat-foot a{color:var(--g)}
@media (max-width:600px){
  .nadbs-chat-btn{right:12px;bottom:12px;padding:8px 14px 8px 8px;font-size:13px}
  .nadbs-chat-panel{right:0;bottom:0;width:100vw;max-width:100vw;height:85vh;max-height:85vh;border-radius:18px 18px 0 0}
}