body{background-color:#fdf8e4;color:#1d3c73;margin:0;padding:0;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.contact-form{background-color:#fff;border:1px solid #1d3c73;border-radius:10px;padding:20px;width:80%;margin:40px auto;box-shadow:0 4px 6px #1d3c73}input,textarea{width:100%;padding:10px;border:1px solid #1d3c73;border-radius:5px;font-size:1rem;margin-top:5px;display:block;margin-left:auto;margin-right:auto}input::placeholder,textarea::placeholder{font-family:Yu Gothic,sans-serif;color:#7a7a7a;font-weight:700}.input-container{margin-bottom:15px;text-align:center}.input-container label{font-size:1.2rem;margin-bottom:8px;font-weight:700;color:#1d3c73;text-align:left;display:block}.input-container input,.input-container textarea{width:95%;padding:10px;border:1px solid #1d3c73;border-radius:5px;font-size:1rem;margin-top:5px;font-family:Yu Gothic,sans-serif;font-weight:700}.button-container{justify-content:right;display:flex;margin:30px}.submit-btn{background-color:#1d3c73;color:#fff;border:none;padding:12px 20px;border-radius:5px;font-size:1.2rem;cursor:pointer;transition:background-color .3s}.submit-btn:hover{background-color:#fff;color:#1d3c73;border:1px solid #1d3c73}.submit-btn:active{transform:translateY(2px);background-color:#1d3c73;border:none}.contact-form:before{content:"連絡先";font-size:2rem;font-weight:700;display:block;text-align:center;margin-bottom:20px;color:#1d3c73}@media (max-width:768px){.contact-form{padding:15px}.submit-btn{width:100%;padding:10px}}