:root{background:#090b22;font-family:Helvetica Neue,Arial,Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,sans-serif;line-height:1.5}*{box-sizing:border-box}body{justify-content:center;align-items:center;width:100%;height:100dvh;margin:0;display:flex;overflow:hidden}main{background:url(/background.png) 0 0/cover;width:min(100%,480px);height:100%;position:relative;overflow:hidden}.iroha-area{z-index:0;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.iroha-image{object-fit:contain;width:min(100%,480px);height:100%}.chat-area{flex-direction:column;gap:16px;width:100%;padding:32px 16px;display:flex;position:absolute;bottom:0;left:0}.response-box{-webkit-backdrop-filter:blur(10px);color:#fff;background:#070a2057;border-radius:16px;padding:16px;overflow-y:auto}.chat-form{gap:16px;display:flex}.chat-form-input{-webkit-backdrop-filter:blur(10px);color:#fff;resize:vertical;background:#070a2057;border-radius:8px;width:100%;min-height:76px;padding:8px}.chat-form-button{color:#fff;cursor:pointer;-webkit-backdrop-filter:blur(10px);background:#ffffff57;border:0;border-radius:32px;min-width:87px}