/* ============================================
   見積りフォーム共通スタイル (form.css)
   kobakoya.com
   デザイン: shikanya.com/s_order.html 準拠
   ============================================ */

/* フォームカード */
.form-card {
    max-width: 800px;
    margin: 20px auto;
    background: #fff;
    border: 2px solid #8c4f30;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(88, 56, 34, 0.15);
    overflow: hidden;
}
.form-card-header {
    background: linear-gradient(135deg, #8c4f30 0%, #a0654a 100%);
    color: #fff;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: bold;
}
.form-card-body {
    padding: 20px;
}

/* 商品紹介セクション */
.form-intro {
    margin-bottom: 25px;
    padding: 20px;
    background: #faf8f5;
    border-radius: 8px;
    border: 1px solid #e8ddd3;
    font-size: 13px;
    line-height: 1.9;
    color: #555;
}
.form-intro-images {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 15px;
}
.form-intro-images img {
    max-width: 48%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
.form-intro a {
    color: #8c4f30;
    font-weight: bold;
    text-decoration: none;
    border-bottom: 1px solid #8c4f30;
}
.form-intro a:hover {
    color: #6b3a20;
    border-bottom-color: #6b3a20;
}
.form-intro-note {
    color: #999;
    font-size: 12px;
    margin-top: 8px;
}

/* セクション */
.form-section {
    margin-bottom: 25px;
}

/* セクションタイトル（左ボーダーアクセント） */
.form-section-title {
    background: #f8ece2;
    border-left: 4px solid #8c4f30;
    padding: 10px 15px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #8c4f30;
}
.form-section-title .required {
    color: #e60033;
    margin-right: 5px;
}

/* セクション内コンテンツのインデント */
.form-section > *:not(.form-section-title) {
    padding-left: 15px;
    padding-right: 15px;
}

/* 入力グループ */
.form-input-group {
    margin-bottom: 15px;
}
.form-input-group:last-child {
    margin-bottom: 0;
}
.form-input-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #54351f;
}
.form-input-group .hint {
    font-size: 12px;
    color: #666;
    margin-top: 5px;
}
.form-input-group .warning {
    color: #e60033;
    font-size: 12px;
}

/* お客様情報内のラベル+入力を横並び */
.form-customer-info .form-input-group {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}
.form-customer-info .form-input-group label {
    min-width: 140px;
    margin-bottom: 0;
}
.form-customer-info .form-input-group .form-input {
    flex: 1;
    min-width: 180px;
}
.form-customer-info .form-input-group .form-textarea {
    flex-basis: 100%;
}
.form-customer-info .form-input-group .hint {
    flex-basis: 100%;
    padding-left: 150px;
}

/* テキスト入力 */
.form-input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color 0.2s;
}
.form-input:focus {
    border-color: #8c4f30;
    outline: none;
}
.form-input-short {
    width: 80px;
    text-align: center;
}
.form-input-mid {
    width: 100%;
    max-width: 300px;
}

/* セクション内の単独入力グループ（形式・枚数など）をセンター寄せ */
.form-section > .form-input-group {
    text-align: center;
}
.form-section > .form-input-group label {
    display: block;
    margin-bottom: 8px;
}
.form-section > .form-input-group .hint {
    text-align: center;
}

/* セレクトボックス */
.form-select {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    background: #fff;
    min-width: 200px;
    transition: border-color 0.2s;
}
.form-select:focus {
    border-color: #8c4f30;
    outline: none;
}

/* テキストエリア */
.form-textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    box-sizing: border-box;
    transition: border-color 0.2s;
}
.form-textarea:focus {
    border-color: #8c4f30;
    outline: none;
}

/* サイズ入力エリア（画像+入力横並び） */
.form-size-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}
.form-size-area img {
    max-width: 290px;
    height: auto;
}
.form-size-fields {
    min-width: 200px;
    max-width: 260px;
}
.form-size-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 10px;
}
.form-size-row:last-child {
    margin-bottom: 0;
}
.form-size-row label {
    font-weight: bold;
    color: #e60033;
    min-width: 35px;
}
.form-size-row .unit {
    color: #666;
    font-size: 14px;
}

/* 素材選択（画像付きカード） */
.form-material-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}
.form-material-card {
    width: 110px;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}
.form-material-card:hover {
    border-color: #8c4f30;
    background: #faf8f5;
}
.form-material-card.selected,
.form-material-card:has(input[type="radio"]:checked) {
    border-color: #8c4f30;
    background: #f8ece2;
}
.form-material-card img {
    max-width: 75px;
    height: auto;
    margin-bottom: 4px;
    border-radius: 4px;
}
.form-material-card span {
    display: block;
    font-size: 11px;
}

/* 蓋・身デュアル選択カード（C-1式用） */
.form-material-card-dual {
    flex: 0 0 calc(25% - 8px);
    max-width: calc(25% - 8px);
    min-width: 100px;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 8px;
    text-align: center;
    background: #fff;
    transition: all 0.2s;
    box-sizing: border-box;
}
.form-material-card-dual:hover {
    border-color: #8c4f30;
    background: #faf8f5;
}
.form-material-card-dual img {
    max-width: 75px;
    height: auto;
    margin-bottom: 4px;
    border-radius: 4px;
    cursor: pointer;
}
.form-material-card-dual span {
    display: block;
    font-size: 11px;
    margin-bottom: 6px;
}
.form-material-card-dual .dual-radio {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 12px;
    padding-top: 5px;
    border-top: 1px solid #eee;
}
.form-material-card-dual .dual-radio label {
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 3px;
    transition: background 0.2s;
}
.form-material-card-dual .dual-radio label:hover {
    background: #f0e6dd;
}
.form-material-card-dual .dual-radio input[type="radio"]:checked + label,
.form-material-card-dual .dual-radio label:has(input[type="radio"]:checked) {
    background: #f8ece2;
    font-weight: bold;
}

/* ラジオボタン選択肢 */
.form-radio-group {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}
.form-radio-option {
    display: block;
    padding: 8px 14px;
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.2s;
}
.form-radio-option:hover {
    background: #f8ece2;
}

/* ファイルアップロード */
.form-file-area {
    padding: 15px;
    border: 2px dashed #ccc;
    border-radius: 6px;
    text-align: center;
    background: #fafafa;
}
.form-file-area input[type="file"] {
    margin: 10px 0;
}
.form-file-area .hint {
    font-size: 12px;
    color: #888;
    margin-top: 8px;
    line-height: 1.6;
}

/* お客様情報コンテナ */
.form-customer-info {
    background: #faf8f5;
    border-radius: 8px;
    padding: 20px;
}

/* 任意セクション区切り */
.form-optional-divider {
    text-align: center;
    padding: 15px 0;
    margin: 25px 0;
    border-top: 1px dashed #ccc;
    color: #666;
    font-size: 14px;
}
.form-skip-btn {
    display: inline-block;
    margin-top: 8px;
    padding: 8px 20px;
    background: #fff;
    color: #8c4f30;
    border: 1px solid #8c4f30;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}
.form-skip-btn:hover {
    background: #f8ece2;
}

/* 送信セクション */
.form-submit-section {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}
.form-submit-btn {
    display: inline-block;
    padding: 14px 45px;
    background: #e85922;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.2s;
}
.form-submit-btn:hover {
    background: #c94d1c;
}
.form-submit-note {
    margin-top: 10px;
    font-size: 12px;
    color: #888;
}
.form-submit-warning {
    color: #d32f2f;
    font-size: 13px;
    margin-top: 8px;
}

/* 3Dボックスプレビュー（Canvas） */
.form-canvas-wrap {
    text-align: center;
}
.form-canvas-wrap canvas {
    width: 180px;
    height: 180px;
    border: 1px solid #e0d5cc;
    border-radius: 6px;
    background: #fefcfa;
}
.form-canvas-hint {
    font-size: 11px;
    color: #999;
    margin-top: 4px;
}

/* 形式確認アコーディオン */
.form-keisiki-details {
    margin-top: 12px;
    text-align: center;
}
.form-keisiki-details summary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 24px;
    background: #fff;
    color: #8c4f30;
    font-weight: bold;
    font-size: 13px;
    cursor: pointer;
    list-style: none;
    border: 2px solid #8c4f30;
    border-radius: 20px;
    transition: all 0.2s;
}
.form-keisiki-details summary:hover {
    background: #8c4f30;
    color: #fff;
}
.form-keisiki-details summary::-webkit-details-marker {
    display: none;
}
.form-keisiki-details summary::after {
    content: "\25BC";
    font-size: 10px;
    transition: transform 0.2s;
}
.form-keisiki-details[open] summary::after {
    transform: rotate(180deg);
}
.form-keisiki-details[open] summary {
    margin-bottom: 12px;
}
.form-keisiki-content {
    padding: 15px;
    background: #faf8f5;
    border: 1px solid #ddd;
    border-radius: 8px;
}
.form-keisiki-type {
    margin-bottom: 20px;
}
.form-keisiki-type:last-child {
    margin-bottom: 0;
}
.form-keisiki-type h5 {
    margin: 0 0 10px;
    font-size: 14px;
    color: #54351f;
    display: flex;
    align-items: center;
    gap: 10px;
}
.form-keisiki-type h5 img {
    width: 80px;
    height: auto;
    border-radius: 4px;
}
.form-keisiki-steps {
    display: flex;
    gap: 8px;
}
.form-keisiki-step {
    flex: 1;
    text-align: center;
    font-size: 12px;
    color: #666;
    line-height: 1.4;
}
.form-keisiki-step img {
    width: 100%;
    max-width: 100px;
    height: auto;
    border-radius: 3px;
    margin-bottom: 4px;
}
.form-keisiki-step .step-num {
    display: inline-block;
    background: #8c4f30;
    color: #fff;
    width: 18px;
    height: 18px;
    line-height: 18px;
    border-radius: 50%;
    font-size: 11px;
    font-weight: bold;
    margin-bottom: 3px;
}

/* レスポンシブ */
@media screen and (max-width: 679px) {
    .form-card {
        margin: 10px;
        border-radius: 4px;
    }
    .form-card-body {
        padding: 15px;
    }
    .form-section > *:not(.form-section-title) {
        padding-left: 8px;
        padding-right: 8px;
    }
    .form-size-area {
        flex-direction: column;
        align-items: center;
    }
    .form-size-fields {
        min-width: 100%;
    }
    .form-input-mid {
        max-width: 100%;
    }
    .form-radio-group {
        flex-direction: column;
        align-items: center;
    }
    .form-material-card {
        width: 100px;
        padding: 6px;
    }
    .form-material-card img {
        max-width: 65px;
    }
    .form-material-card-dual {
        flex: 0 0 calc(25% - 6px);
        max-width: calc(25% - 6px);
        min-width: 70px;
        padding: 5px;
    }
    .form-material-card-dual img {
        max-width: 55px;
    }
    .form-material-card-dual span {
        font-size: 9px;
    }
    .form-material-card-dual .dual-radio {
        font-size: 10px;
    }
    .form-intro-images {
        flex-direction: row;
    }
    .form-intro-images img {
        max-width: 48%;
    }
    .form-keisiki-steps {
        flex-wrap: wrap;
    }
    .form-keisiki-step {
        flex: 0 0 calc(50% - 4px);
    }
    .form-canvas-wrap canvas {
        width: 150px;
        height: 150px;
    }
    /* SP: ラベル+入力を縦積みに戻す */
    .form-customer-info .form-input-group {
        flex-direction: column;
        align-items: stretch;
    }
    .form-customer-info .form-input-group label {
        min-width: auto;
    }
    .form-customer-info .form-input-group .hint {
        padding-left: 0;
    }
    /* スマホでのフォーム入力時ズーム防止（iOS Safari: 16px未満でオートズーム発生） */
    .form-input,
    .form-select,
    .form-textarea {
        font-size: 16px;
    }
}