:root{--ink: #4a3557;--pink: #ff8fb7;--pink-deep: #ff77b5;--pink-soft: #ffd6ea;--pink-pale: #fff3f8;--page-bg: #fff3f8;--lar-blue: #eef3ff;--lar-line: #cdd8ff}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{font-family:Hiragino Kaku Gothic ProN,Hiragino Sans,Noto Sans JP,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased}.page{min-height:100%;display:grid;place-items:center;padding:24px;background:var(--page-bg);position:relative;overflow:hidden}.blob{position:absolute;border-radius:50%}.blob-a{width:360px;height:360px;background:var(--pink-soft);top:-110px;left:-110px}.blob-b{width:300px;height:300px;background:#dcd4ff;bottom:-100px;right:-80px}.blob-c{width:160px;height:160px;background:#d6f6e6;top:14%;right:18%}.sparkle{position:absolute;color:#ffb3d9;font-size:28px;animation:floaty 4s ease-in-out infinite;-webkit-user-select:none;user-select:none;pointer-events:none}.sparkle.s1{top:22%;left:12%;animation-delay:0s}.sparkle.s2{top:16%;right:10%;animation-delay:.6s;font-size:20px}.sparkle.s3{bottom:22%;left:16%;animation-delay:1.2s;font-size:20px}.sparkle.s4{bottom:16%;right:14%;animation-delay:1.8s}@keyframes floaty{0%,to{transform:translateY(0) rotate(8deg)}50%{transform:translateY(-10px) rotate(-8deg)}}.welcome{position:relative;z-index:1;background:#fff;border:3px solid var(--ink);border-radius:30px;padding:40px 48px 36px;text-align:center;box-shadow:9px 9px 0 0 var(--pink-soft);max-width:460px}.welcome-avatar{position:relative;width:96px;height:96px;margin:0 auto 14px}.welcome-img{width:96px;height:96px;border-radius:50%;object-fit:cover;display:block;border:3px solid var(--ink);box-shadow:5px 5px 0 0 var(--pink-soft)}.welcome-heart{position:absolute;right:-8px;top:-8px;font-size:24px;animation:floaty 3s ease-in-out infinite}.welcome h1{margin:0 0 6px;font-size:2.6rem;letter-spacing:-.02em;color:var(--pink-deep);text-shadow:3px 3px 0 var(--pink-soft)}.welcome p{margin:0;color:#8a6f96;font-size:1.02rem}.tags{display:flex;gap:10px;justify-content:center;margin-top:22px;flex-wrap:wrap}.tag{font-size:.8rem;font-weight:700;padding:7px 15px;border-radius:999px;background:var(--lar-blue);border:2px solid var(--ink);color:#6b5b9b;box-shadow:3px 3px 0 0 var(--lar-line)}.stage{position:fixed;right:24px;bottom:24px;display:flex;flex-direction:column;align-items:flex-end;z-index:50}.chathead{position:relative;width:74px;height:74px;border:none;padding:0;cursor:pointer;background:transparent;border-radius:50%;transition:transform .22s cubic-bezier(.34,1.56,.64,1)}.chathead:hover{transform:scale(1.06) translateY(-2px)}.chathead:active,.chathead.is-open{transform:scale(.94)}.chathead-ring{position:absolute;top:-5px;right:-5px;bottom:-5px;left:-5px;border-radius:50%;background:var(--pink-deep);animation:pulse 2.4s ease-out infinite}.chathead-img-wrap{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;overflow:hidden;border:3px solid var(--ink);background:var(--pink);box-shadow:5px 5px 0 0 var(--pink-soft)}.chathead-img,.avatar-fallback{width:100%;height:100%;object-fit:cover;display:block}.avatar-fallback{display:grid;place-items:center;font-size:1.5rem}.chathead-badge{position:absolute;right:-5px;bottom:-5px;width:27px;height:27px;border-radius:50%;background:#fff;border:2.5px solid var(--ink);display:grid;place-items:center;font-size:13px;line-height:1;box-shadow:2px 2px 0 0 var(--pink-soft)}@keyframes pulse{0%{transform:scale(1);opacity:.7}70%{transform:scale(1.45);opacity:0}to{transform:scale(1.45);opacity:0}}.chat-window{width:min(382px,calc(100vw - 32px));height:min(560px,calc(100vh - 140px));display:flex;flex-direction:column;background:#fff;border:3px solid var(--ink);border-radius:28px;overflow:hidden;box-shadow:9px 9px 0 0 var(--pink-soft);margin-bottom:18px;animation:pop .25s cubic-bezier(.34,1.56,.64,1)}@keyframes pop{0%{opacity:0;transform:translateY(16px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.chat-header{display:flex;align-items:center;gap:12px;padding:14px 16px;background:var(--pink);border-bottom:3px solid var(--ink);color:#fff}.chat-header-avatar{position:relative;width:46px;height:46px;flex-shrink:0}.chat-header-img{width:46px;height:46px;border-radius:50%;object-fit:cover;border:2.5px solid var(--ink)}.chat-header-dot{position:absolute;right:-1px;bottom:-1px;width:13px;height:13px;background:#fff;border:2.5px solid var(--ink);border-radius:50%}.chat-header-text{flex:1}.chat-header-text h2{margin:0;font-size:1.35rem;font-weight:800}.chat-header-text p{margin:2px 0 0;font-size:.92rem;color:#fff;opacity:.9}.chat-close{border:2.5px solid var(--ink);background:#fff;color:var(--ink);width:32px;height:32px;border-radius:50%;cursor:pointer;font-size:13px;font-weight:700;transition:transform .15s,background .15s}.chat-close:hover{background:var(--pink-soft);transform:rotate(90deg)}.chat-body{flex:1;overflow-y:auto;padding:18px 14px;display:flex;flex-direction:column;gap:12px;background:var(--pink-pale);scroll-behavior:smooth}.bubble-row{display:flex;align-items:flex-end;gap:8px;max-width:100%}.bubble-row.user{justify-content:flex-end}.bubble-avatar{width:28px;height:28px;flex-shrink:0}.bubble-avatar-img{width:28px;height:28px;border-radius:50%;object-fit:cover;border:2px solid var(--ink)}.bubble{max-width:76%;padding:10px 14px;border-radius:20px;font-size:.97rem;line-height:1.5;white-space:pre-wrap;word-break:break-word;border:2px solid var(--ink)}.bubble.assistant{background:#fff;color:var(--ink);border-bottom-left-radius:4px;box-shadow:3px 3px 0 0 var(--pink-soft)}.bubble.user{background:var(--pink);color:#fff;border-bottom-right-radius:4px;box-shadow:4px 4px 0 0 var(--pink-deep)}.typing{display:inline-flex;gap:5px;align-items:center;padding:13px 16px}.typing span{width:8px;height:8px;border-radius:50%;background:var(--pink-deep);animation:bounce 1.2s infinite ease-in-out}.typing span:nth-child(2){animation-delay:.15s}.typing span:nth-child(3){animation-delay:.3s}@keyframes bounce{0%,60%,to{transform:translateY(0);opacity:.45}30%{transform:translateY(-5px);opacity:1}}.chat-error{align-self:center;background:#ffe3e3;border:2px solid #ff8d8d;color:#c0392b;font-size:.82rem;padding:8px 12px;border-radius:12px;text-align:center}.chat-footer{display:flex;gap:10px;padding:12px;background:#fff;border-top:3px solid var(--ink)}.chat-footer input{flex:1;border:2.5px solid var(--pink);background:var(--pink-pale);border-radius:999px;padding:12px 16px;font-size:.92rem;color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s}.chat-footer input:focus{border-color:var(--ink);box-shadow:3px 3px 0 0 var(--pink-soft)}.chat-footer button{width:48px;height:48px;border:2.5px solid var(--ink);border-radius:50%;background:var(--pink);color:var(--ink);font-size:18px;cursor:pointer;transition:transform .15s,background .15s;box-shadow:3px 3px 0 0 var(--pink-deep)}.chat-footer button:hover:not(:disabled){transform:scale(1.08) translateY(-2px);background:var(--pink-deep)}.chat-footer button:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}@media(max-width:480px){.stage{right:14px;bottom:14px}.welcome{padding:32px 24px}}