*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#f6541e;--primary-hover:#e04810;--bg-color:#f5f5f5;--white:#ffffff;--text-dark:#333333;--text-light:#666666;--border-color:#e0e0e0;--shadow:0 2px 8px rgba(0,0,0,0.1);--shadow-hover:0 4px 12px rgba(0,0,0,0.15)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Hiragino Kaku Gothic ProN,Yu Gothic,YuGothic,Meiryo,sans-serif;background-color:var(--bg-color);color:var(--text-dark);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app-container{max-width:600px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;background-color:var(--white);box-shadow:var(--shadow)}.app-header{background:linear-gradient(135deg,var(--primary-color) 0,#ff7043 100%);color:var(--white);padding:15px 1rem;text-align:center;box-shadow:var(--shadow);position:-webkit-sticky;position:sticky;top:0;z-index:100}.app-header h1{font-size:1.5rem;font-weight:600;letter-spacing:.5px;margin-bottom:2px}.app-disclaimer{font-size:.7rem;opacity:.85;line-height:1.4;margin:0;font-weight:400}.main-content{flex:1 1;overflow-y:auto;padding:1.5rem 1rem 120px}.welcome-section{text-align:center;padding:2rem 0}.welcome-title{font-size:1.75rem;color:var(--primary-color);margin-bottom:0;font-weight:600}.welcome-subtitle{color:var(--text-light);margin-bottom:2rem;font-size:1rem}.suggestions{display:flex;flex-direction:column;gap:1rem;max-width:400px;margin:0 auto}.suggestion-button{padding:1rem 1.5rem;background-color:var(--white);color:var(--primary-color);border:2px solid var(--primary-color);border-radius:50px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 4px rgba(246,84,30,.1)}.suggestion-button:hover{background-color:var(--primary-color);color:var(--white);transform:translateY(-2px);box-shadow:0 4px 8px rgba(246,84,30,.2)}.suggestion-button:active{transform:translateY(0)}.messages-container{gap:1.5rem}.chat-message,.messages-container{display:flex;flex-direction:column}.chat-message{gap:1rem;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-message.user .message-content{background-color:var(--primary-color);color:var(--white);align-self:flex-end;max-width:80%;padding:.875rem 1.25rem;border-radius:20px 20px 4px 20px;box-shadow:0 2px 4px rgba(246,84,30,.2)}.chat-message.assistant .message-content{background-color:#f0f0f0;color:var(--text-dark);align-self:flex-start;max-width:90%;padding:.875rem 1.25rem;border-radius:20px 20px 20px 4px;box-shadow:var(--shadow)}.message-content p{margin:0;line-height:1.5}.gift-recommendations{margin-top:1rem}.recommendations-title{font-size:1.125rem;color:var(--primary-color);margin-bottom:1rem;font-weight:600}.gift-grid{display:flex;flex-direction:column;gap:1rem}.gift-card{background-color:var(--white);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:all .3s ease;border:1px solid var(--border-color);display:flex;flex-direction:row;align-items:center;padding:1rem;gap:1rem;max-width:400px}.gift-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.gift-card-image{flex-shrink:0;width:150px;height:150px;position:relative;overflow:hidden;background-color:#f9f9f9;border-radius:12px}.gift-image{width:100%;height:100%;object-fit:cover}.gift-card-content{flex:1 1;display:flex;flex-direction:column;gap:.75rem}.gift-name{font-size:1.125rem;font-weight:600;line-height:1.4}.gift-name,.gift-price{color:var(--text-dark);margin:0}.gift-price{font-size:1rem;font-weight:500}.gift-button{display:block;width:100%;padding:.75rem 1.5rem;background-color:var(--primary-color);color:var(--white);text-align:center;text-decoration:none;border-radius:8px;font-size:.9rem;font-weight:600;transition:all .3s ease;cursor:pointer}.gift-button:hover{background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 8px rgba(246,84,30,.3)}@media (max-width:400px){.gift-card-image{width:100px;height:100px}}.loading-indicator{display:flex;justify-content:flex-start;padding:1rem}.loading-dots{display:flex;gap:.5rem}.loading-dots span{width:8px;height:8px;background-color:var(--primary-color);border-radius:50%;animation:bounce 1.4s ease-in-out infinite both}.loading-dots span:first-child{animation-delay:-.32s}.loading-dots span:nth-child(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.input-area{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:600px;background-color:var(--white);border-top:1px solid var(--border-color);padding:1rem;box-shadow:0 -2px 8px rgba(0,0,0,.1)}.input-form{display:flex;gap:.75rem;align-items:center}.input-field{flex:1 1;padding:.875rem 1rem;border:1px solid var(--border-color);border-radius:25px;font-size:.9rem;outline:none;transition:all .3s ease;font-family:inherit}.input-field:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px rgba(246,84,30,.1)}.input-field::placeholder{color:#999}.send-button{padding:.875rem 1.75rem;background:linear-gradient(135deg,var(--primary-color) 0,#ff7043 100%);color:var(--white);border:none;border-radius:25px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:0 2px 8px rgba(246,84,30,.3);white-space:nowrap}.send-button:hover:not(:disabled){background:linear-gradient(135deg,var(--primary-hover) 0,#e04810 100%);transform:translateY(-2px);box-shadow:0 4px 12px rgba(246,84,30,.4)}.send-button:active:not(:disabled){transform:translateY(0)}.send-button:disabled{opacity:.5;cursor:not-allowed}@media (max-width:600px){.app-container,.input-area{max-width:100%}.main-content{padding:1rem .75rem 120px}.welcome-title{font-size:1.5rem}.suggestions{max-width:100%;padding:0 1rem}}