*{padding:0;margin:0}:root{--spacing-default: 2rem}body{background-color:#000;font-family:Noto Sans JP,sans-serif}li{list-style:none}.button-base{color:#fff;padding:.7rem 1rem;border-radius:8px;font-size:1rem;cursor:pointer;transition:background-color .3s ease;letter-spacing:1px;font-family:Noto Sans JP,sans-serif;width:180px}@media (max-width: 767px){.button-base{font-size:.875rem;width:40%;padding:.6rem .8rem}}.word-content{position:relative;z-index:1;border-radius:10px;padding:4rem;max-width:1000px;margin:2rem;width:100%;color:#fff;background-color:#0009;border:2px solid #fff;text-align:center}.card h2{letter-spacing:1px;font-size:2.25rem;line-height:1.4;text-shadow:1px 1px 2px rgba(0,0,0,.7)}.card p{font-family:Source Sans Pro,sans-serif;letter-spacing:1px;font-size:1.375rem}.card ul{display:inline-block;text-align:left;padding-left:1.5rem;margin:var(--spacing-default) auto}.card ul li{letter-spacing:1px;margin:.7rem 0;font-size:1.125rem}.card ul li:first-child{margin-top:0}.card ul li:last-child{margin-bottom:0}.nav{margin-top:1rem}.nav-button{background-color:#4f46e5}.nav-button:hover:not(:disabled){background-color:#3730a3}.nav-button:disabled{background-color:#aaa;cursor:not-allowed}.loading-screen{display:flex;justify-content:center;align-items:center;height:100vh;background-color:#000}.spinner{width:48px;height:48px;border:6px solid #ccc;border-top:6px solid #4f46e5;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 767px){.word-content{padding:2rem;width:100%;margin:20px}.card h2{font-size:1.3125rem}.card p{font-size:1.0625rem}.card ul{padding-left:0}.card ul li{font-size:.875rem;margin:.5rem 0}}.center-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background-size:cover}.center-container:before{content:"";position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#0006;z-index:0;pointer-events:none}.speaker-buttons{display:flex;gap:1rem;margin-bottom:1rem;justify-content:center;margin:2rem auto 1rem}.speak-button{background:#fff9c41a;border:white 1px solid}.speak-button:hover{opacity:.8}.rate-control{margin-bottom:2rem;display:flex;align-items:center;gap:1rem;justify-content:center}.rate-label{font-weight:700}.rate-slider{vertical-align:middle}.completed-page{background-size:cover}.completed{background-color:#0009;color:#fff;display:flex;justify-content:center;align-items:center;height:100vh;flex-direction:column;text-align:center}.completed>p{margin-top:.65rem}.completed-button{margin-top:1.75rem}@media (max-width: 767px){.completed>div{padding:20px}.completed p{margin-top:1rem}}