:root{--color-primary:#ffd54f;--color-primary-light:#fff59d;--color-primary-dark:#ffc107;--color-secondary:#4caf50;--color-secondary-light:#81c784;--color-secondary-dark:#388e3c;--color-accent-blue:#2196f3;--color-accent-orange:#ff9800;--color-bg:#fffde7;--color-surface:#fff;--color-text-main:#333;--color-text-muted:#757575;--color-border:#e0e0e0;--color-error:#f44336;--color-success:#4caf50;--font-family-base:"Hiragino Maru Gothic ProN", "BIZ UDGothic", "Meiryo", sans-serif;--radius-sm:8px;--radius-md:16px;--radius-lg:24px;--radius-full:9999px;--shadow-sm:0 2px 4px #0000000d;--shadow-md:0 4px 8px #0000001a;--shadow-lg:0 8px 16px #00000026;--transition-fast:.15s ease;--transition-normal:.3s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family-base);background-color:var(--color-bg);color:var(--color-text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}a{color:var(--color-accent-blue);text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.text-center{text-align:center}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-1{gap:.5rem}.gap-2{gap:1rem}.gap-3{gap:1.5rem}.gap-4{gap:2rem}.flex-wrap{flex-wrap:wrap}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}@media (width<=768px){.grid-cols-3,.grid-cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=480px){.grid-cols-2,.grid-cols-3,.grid-cols-4{grid-template-columns:1fr}}.btn{border-radius:var(--radius-full);transition:all var(--transition-fast);box-shadow:var(--shadow-sm);text-align:center;white-space:nowrap;justify-content:center;align-items:center;gap:.5rem;padding:1rem 2rem;font-size:1.25rem;font-weight:600;display:inline-flex}.btn:active{box-shadow:none;transform:scale(.96)}.btn:disabled{opacity:.6;cursor:not-allowed;box-shadow:none;transform:none}.btn-primary{background-color:var(--color-primary);color:var(--color-text-main)}.btn-primary:not(:disabled):hover{background-color:var(--color-primary-dark)}.btn-secondary{background-color:var(--color-surface);color:var(--color-text-main);border:2px solid var(--color-border);box-shadow:none}.btn-secondary:not(:disabled):hover{border-color:var(--color-primary-dark);background-color:var(--color-primary-light)}.btn-danger{background-color:var(--color-error);color:#fff}.btn-success{background-color:var(--color-success);color:#fff}.card{background-color:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);border:2px solid #0000;padding:1.5rem}.card-interactive:hover{box-shadow:var(--shadow-lg);border-color:var(--color-primary);cursor:pointer;transform:translateY(-4px)}.card-title{margin-bottom:1rem;font-size:1.5rem;font-weight:700}.modal-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#00000080;justify-content:center;align-items:center;padding:1rem;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--color-surface);border-radius:var(--radius-lg);width:100%;max-width:500px;box-shadow:var(--shadow-lg);padding:2rem;animation:.3s cubic-bezier(.175,.885,.32,1.275) modal-pop}@keyframes modal-pop{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.modal-header{text-align:center;margin-bottom:1.5rem;font-size:1.5rem;font-weight:700}.modal-body{text-align:center;margin-bottom:2rem;font-size:1.25rem}.modal-footer{justify-content:center;gap:1rem;display:flex}.form-group{flex-direction:column;gap:.5rem;margin-bottom:1.5rem;display:flex}.form-label{font-size:1.1rem;font-weight:700}.form-input{border-radius:var(--radius-md);border:2px solid var(--color-border);transition:border-color var(--transition-fast);width:100%;padding:1rem;font-family:inherit;font-size:1.1rem}.form-input:focus{border-color:var(--color-primary-dark);box-shadow:0 0 0 3px var(--color-primary-light);outline:none}.app-header{background-color:var(--color-primary);color:var(--color-text-main);box-shadow:var(--shadow-sm);z-index:100;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;position:sticky;top:0}.app-header-title{align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;display:flex}.app-main{max-width:1200px;min-height:calc(100vh - 80px);margin:0 auto;padding:2rem 1rem}@media (width<=768px){.app-header{flex-direction:column;gap:1rem;padding:1rem}.app-header-title{font-size:1.2rem}.btn{padding:.6rem 1rem;font-size:1rem}}