/* ===== 共通レイアウト ===== */
.container{
  width:min(1040px, calc(100% - 32px));
  margin-inline:auto;
}
.card{
  padding:24px;
  overflow: visible;
}
.card__title{
  margin:0 0 12px;
  font-size:18px;
}

/* ===== ヒーロー ===== */
.hero{ padding:32px 0 8px; }
.hero__title{ margin:0 0 6px; font-size:28px; }
.hero__lead{ margin:0; color:var(--muted); }
.req{ color:#d0021b; }

/* ===== グリッド ===== */
.contact__grid{
  display:grid; gap:24px; margin:24px 0 0;
  grid-template-columns: 1fr;
}
.contact__aside{ display:grid; gap:24px; }
@media (min-width: 960px){
  .contact__grid{
    grid-template-columns: 1.35fr .65fr;
    align-items:start;
  }
}

/* ===== フォーム ===== */
.field{ display:grid; gap:8px; margin:16px 0; }
.field.checkbox{ display: initial; align-items:center; }
.field label{ font-weight:600; }
.hint{ color:var(--muted); font-size:13px; }
.muted{ color:var(--muted); }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="file"],
select,
textarea{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  font:inherit;
  transition:border-color .2s, box-shadow .2s, background-color .2s;
}

textarea{ resize:vertical; }

input:is(:focus-visible,:focus),
select:is(:focus-visible,:focus),
textarea:is(:focus-visible,:focus){
  outline:none;
  border-color:var(--focus);
  box-shadow:0 0 0 4px color-mix(in srgb, var(--focus) 15%, transparent);
}

/* HTML5バリデーションのビジュアル補助 */
:where(input,select,textarea):user-invalid{
  border-color:#d0021b;
  background: #fff6f6;
}
:where(input,select,textarea):user-valid{
  border-color:#c8e6c9;
  background:#f7fff7;
}

/* ファイル入力の最低限の見た目 */
input[type="file"]{
  padding:10px; background:#fafafa;
}

/* ボタン */
.actions{ display:flex; gap:12px; flex-wrap:wrap; margin-top:20px; }
.btn-primary, .btn-secondary{
  display:inline-flex; align-items:center; justify-content:center;
  min-height:44px; padding:10px 18px; border-radius:12px;
  font-weight:700; text-decoration:none; cursor:pointer; border:0;
}
.btn-primary{
  color:#fff; background:var(--accent);
}
.btn-primary:is(:hover,:focus){ filter:brightness(0.92); }
.btn-secondary{
  background:#f2f2f2; color:var(--text);
}
.btn-secondary:is(:hover,:focus){ background:#e9e9e9; }

/* FAQ / 連絡先 */
.faq{ list-style:none; padding:0; margin:0; display:grid; gap:8px; }
.faq a{ color:var(--text); text-decoration:none; }
.faq a:is(:hover,:focus){ text-decoration:underline; }
.contact-line{ margin:.2rem 0; }