body{background-color:#fef9f0;font-family:Noto Sans JP,sans-serif}label{font-weight:700;padding-bottom:10px}.theme .btn-bd-primary{--bd-violet-bg:#712cf9;--bd-violet-rgb:112.520718,44.062154,249.437846;--bs-btn-font-weight:600;--bs-btn-color:var(--bs-white);--bs-btn-bg:var(--bd-violet-bg);--bs-btn-border-color:var(--bd-violet-bg);--bs-btn-hover-color:var(--bs-white);--bs-btn-hover-bg:#6528e0;--bs-btn-hover-border-color:#6528e0;--bs-btn-focus-shadow-rgb:var(--bd-violet-rgb);--bs-btn-active-color:var(--bs-btn-hover-color);--bs-btn-active-bg:#5a23c8;--bs-btn-active-border-color:#5a23c8}.error-message{color:red}.logo{margin-right:10px}.form-signin{max-width:90%!important}.chat-textarea{overflow:hidden;resize:none;transition:height .15s ease}.how-to-use-bg{background:url(/img/top.jpg) 50%/cover no-repeat;border-radius:12px;min-height:400px;overflow:hidden;position:relative}.how-to-use-bg:before{backdrop-filter:blur(2px);background:rgba(0,0,0,.6);border-radius:12px;content:"";inset:0;position:absolute;z-index:1}.how-to-use-overlay{padding:40px 30px;position:relative;z-index:2}.character-selection{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));padding:12px 0}@media(max-width:576px){.character-selection{gap:12px;grid-template-columns:repeat(2,1fr)}}.character-card{cursor:pointer;margin:0;position:relative}.character-card input[type=radio]{opacity:0;pointer-events:none;position:absolute}.character-card .character-card-inner{background:#fff;border:3px solid #e0e0e0;border-radius:16px;overflow:hidden;padding:12px;position:relative;transition:all .3s ease}.character-card .character-card-inner:hover{border-color:#a0a0a0;box-shadow:0 8px 20px rgba(0,0,0,.15);transform:translateY(-4px)}.character-card input[type=radio]:checked+.character-card-inner{background:linear-gradient(135deg,#f0f7ff,#fff);border-color:#2a6bff;box-shadow:0 4px 16px rgba(42,107,255,.25)}.character-card input[type=radio]:checked+.character-card-inner:before{align-items:center;animation:checkPop .3s ease;background:#2a6bff;border-radius:50%;color:#fff;content:"✓";display:flex;font-size:16px;font-weight:700;height:28px;justify-content:center;position:absolute;right:8px;top:8px;width:28px;z-index:10}.character-image{align-items:center;aspect-ratio:1;background:linear-gradient(135deg,#f5f5f5,#e8e8e8);border-radius:12px;display:flex;justify-content:center;margin-bottom:10px;overflow:hidden}.character-image img{height:100%;-o-object-fit:cover;object-fit:cover;-o-object-position:center 30%;object-position:center 30%;width:100%}.character-name{color:#333;font-size:16px;font-weight:700;letter-spacing:.05em;margin-bottom:6px;text-align:center}.character-badge{background:rgba(42,107,255,.1);border-radius:12px;color:#666;display:inline-block;font-size:11px;font-weight:600;padding:4px 10px;text-align:center;width:100%}@keyframes checkPop{0%{opacity:0;transform:scale(0)}50%{transform:scale(1.2)}to{opacity:1;transform:scale(1)}}