.form-section{background-color:#fff;padding-top:2rem;}.contact-form{max-width:800px;margin:0 auto;background:#fff;padding:40px;border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--color-border-strong);}.form-group{margin-bottom:24px;}.form-label{display:block;margin-bottom:8px;font-weight:700;color:var(--color-heading);}.form-label-required::after{content:"必須";display:inline-block;margin-left:8px;background:#D64040;color:white;padding:2px 6px;border-radius:4px;font-size:0.75rem;vertical-align:middle;}.form-label-optional::after{content:"任意";display:inline-block;margin-left:8px;background:#aaa;color:white;padding:2px 6px;border-radius:4px;font-size:0.75rem;vertical-align:middle;}.form-control{width:100%;padding:12px 16px;border:1px solid var(--color-border-strong);border-radius:var(--border-radius-md);font-size:1rem;transition:border-color 0.3s;font-family:inherit;}.form-control:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(28,97,190,0.14);}.form-radio-group{display:flex;gap:20px;flex-wrap:wrap;}.form-radio-label{display:flex;align-items:center;gap:8px;cursor:pointer;}.form-radio-input{width:18px;height:18px;accent-color:var(--color-primary);}textarea.form-control{min-height:150px;resize:vertical;}.form-submit-container{text-align:center;margin-top:40px;}.form-security-status{min-height:1.4em;margin:0 0 20px;text-align:center;color:var(--color-text-light);}.form-security-status.is-error{color:#B3261E;}.form-submit-container .btn[disabled]{opacity:0.65;cursor:not-allowed;}.privacy-check{margin-bottom:20px;text-align:center;}.privacy-link{color:var(--color-primary);text-decoration:underline;}@media (max-width:600px){.contact-form{padding:20px;}}