:root{--contact-ink:#16342f;--contact-muted:#667771;--contact-paper:#fffdf8;--contact-cream:#f5efe5;--contact-line:#d9d2c7;--contact-green:#1d5a4b;--contact-error:#a72727}
.contact-feedback{width:min(860px,calc(100% - 32px));margin:48px auto 64px;color:var(--contact-ink);font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN",sans-serif;line-height:1.75}
.contact-details{border:1px solid #cfd9d4;border-radius:6px;background:#fff;box-shadow:0 12px 35px rgba(29,90,75,.08);overflow:hidden}
.contact-details summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:24px 26px;background:linear-gradient(135deg,#f1f8f5,#fff8f1)}
.contact-details summary::-webkit-details-marker{display:none}.contact-details summary:hover{background:linear-gradient(135deg,#e8f4ef,#fff2e7)}
.contact-icon{display:grid;place-items:center;width:45px;height:45px;border-radius:50%;background:var(--contact-green);color:#fff;font-size:20px}
.contact-details summary strong{display:block;font-family:Georgia,"Yu Mincho",serif;font-size:24px}.contact-details summary small{display:block;color:var(--contact-muted);font-size:13px}.summary-action{color:var(--contact-green);font-size:13px;font-weight:800}.contact-details[open] .summary-action{font-size:0}.contact-details[open] .summary-action::after{content:"入力欄を閉じる";font-size:13px}
.contact-panel{padding:34px;border-top:1px solid #dbe4df}.contact-intro{margin:0 0 28px;color:#53665f}.required-note{color:var(--contact-error);font-weight:700}
.contact-field-row{display:grid;gap:18px}.contact-two-columns{grid-template-columns:1fr 1fr}.contact-field{display:block;margin-bottom:22px}.contact-field>span{display:block;font-weight:800;margin-bottom:7px}.contact-field em,.contact-consent em{font-style:normal;color:#fff;background:var(--contact-error);font-size:10px;border-radius:3px;padding:2px 6px;margin-left:5px}.contact-field i{font-style:normal;color:var(--contact-muted);border:1px solid var(--contact-line);font-size:10px;border-radius:3px;padding:1px 6px;margin-left:5px}
.contact-field input,.contact-field select,.contact-field textarea{width:100%;border:1px solid #bdc9c4;border-radius:4px;background:#fff;padding:13px 14px;color:var(--contact-ink);font:inherit;line-height:1.5;outline:none;transition:border-color .2s,box-shadow .2s}.contact-field textarea{resize:vertical;min-height:170px}.contact-field input:focus,.contact-field select:focus,.contact-field textarea:focus{border-color:var(--contact-green);box-shadow:0 0 0 3px rgba(29,90,75,.13)}.contact-field input.contact-invalid,.contact-field select.contact-invalid,.contact-field textarea.contact-invalid{border-color:var(--contact-error)}
.contact-counter{display:block;text-align:right;color:var(--contact-muted);margin-top:3px}.contact-error{display:block;min-height:1.4em;color:var(--contact-error);font-weight:700;font-size:12px}.contact-consent{display:flex;gap:10px;align-items:flex-start;padding:15px 16px;background:var(--contact-cream);border-radius:4px;font-size:13px}.contact-consent input{flex:0 0 20px;width:20px;height:20px;margin-top:4px;accent-color:var(--contact-green)}.contact-consent a{color:var(--contact-green);font-weight:700}.contact-consent-error{margin-bottom:14px}.contact-honeypot{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important}
.contact-security-note{display:flex;gap:12px;margin:24px 0;padding:15px 17px;border-left:4px solid var(--contact-green);background:#f1f7f4}.contact-security-note>span{color:var(--contact-green)}.contact-security-note p{margin:0;font-size:13px}.contact-submit{width:100%;border:0;border-radius:4px;background:var(--contact-green);color:#fff;padding:16px 20px;font:inherit;font-weight:800;cursor:pointer;box-shadow:0 8px 20px rgba(29,90,75,.18)}.contact-submit:hover{background:#14483c}.contact-status{min-height:1.6em;margin:13px 0 0;text-align:center;font-weight:800}.contact-status.contact-success{color:var(--contact-green)}.contact-status.contact-failure{color:var(--contact-error)}.contact-privacy{margin-top:28px;padding-top:22px;border-top:1px solid var(--contact-line)}.contact-privacy h3{font-size:15px;margin:0 0 6px}.contact-privacy p{color:var(--contact-muted);font-size:12px;margin:0}
.contact-page{max-width:980px;margin:0 auto;padding:52px 20px 20px}.contact-page h1{font-family:Georgia,"Yu Mincho",serif;font-size:clamp(34px,6vw,58px);line-height:1.3;color:var(--contact-ink);margin:0 0 14px}.contact-page-lead{color:#53665f;font-size:17px;margin:0}
@media(max-width:760px){.contact-feedback{width:calc(100% - 24px);margin:34px auto 46px}.contact-details summary{grid-template-columns:auto 1fr;padding:19px 17px;min-height:84px}.summary-action{display:none}.contact-details summary strong{font-size:20px}.contact-details summary small{line-height:1.45}.contact-panel{padding:26px 18px}.contact-two-columns{grid-template-columns:1fr}.contact-field-row{gap:0}.contact-field input,.contact-field select,.contact-field textarea{min-height:50px;font-size:16px}.contact-field textarea{min-height:180px}.contact-consent{font-size:14px}.contact-submit{min-height:56px;font-size:16px}.contact-page{padding-top:34px}}