/* =============================================
   shikanya.com 商品ページ専用CSS
   カラースキーム: 茶系（ナチュラル・温かみ）
   ============================================= */

/* -----------------------------------------
   商品カード
   ----------------------------------------- */
.product-card {
    border: 2px solid #583822;
    border-radius: 8px;
    margin: 20px auto;
    max-width: 800px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(88, 56, 34, 0.15);
}

/* -----------------------------------------
   商品ヘッダー
   ----------------------------------------- */
.product-header {
    background: linear-gradient(135deg, #583822 0%, #765c47 100%);
    color: #fff;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 6px 6px 0 0;
}

.product-header .hinban {
    display: inline-block;
    background: #fff;
    color: #583822;
    padding: 4px 12px;
    border-radius: 4px;
    margin-right: 10px;
    font-size: 13px;
    font-weight: bold;
}

/* -----------------------------------------
   商品ボディ
   ----------------------------------------- */
.product-body {
    padding: 20px;
}

/* -----------------------------------------
   商品画像
   ----------------------------------------- */
.product-image {
    text-align: center;
    margin-bottom: 20px;
}

.product-image img {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
}

/* -----------------------------------------
   商品情報
   ----------------------------------------- */
.product-info {
    margin-bottom: 20px;
    padding: 15px;
    background: #faf2e2;
    border-radius: 4px;
    font-size: 14px;
    color: #583822;
}

/* 商品説明（控えめな背景色） */
.product-info-light {
    margin-bottom: 20px;
    padding: 15px;
    background: #f7f5f2;
    border-radius: 4px;
    font-size: 14px;
    color: #583822;
}

.product-info-light ul {
    margin: 0;
    padding-left: 20px;
}

.product-info-light li {
    margin: 5px 0;
}

.product-info ul {
    margin: 0;
    padding-left: 20px;
}

.product-info li {
    margin: 5px 0;
}

/* -----------------------------------------
   オプション選択（端の処理など）
   ----------------------------------------- */
.option-section {
    margin-bottom: 20px;
}

.option-section h4 {
    font-size: 14px;
    color: #583822;
    margin: 0 0 10px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid #f8f4e6;
}

.option-select {
    padding: 10px 15px;
    font-size: 14px;
    border: 2px solid #ddd;
    border-radius: 6px;
    background: #fff;
    color: #333;
    cursor: pointer;
    min-width: 200px;
}

.option-select:focus {
    border-color: #583822;
    outline: none;
}

/* -----------------------------------------
   サイズ選択
   ----------------------------------------- */
.size-selection {
    margin-bottom: 20px;
}

.size-selection h4 {
    font-size: 14px;
    color: #583822;
    margin: 0 0 10px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid #f8f4e6;
}

.size-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.size-option {
    display: grid;
    grid-template-columns: auto auto 1fr auto;
    grid-template-rows: auto auto;
    align-items: center;
    gap: 4px 12px;
    padding: 12px 15px;
    border: 2px solid #e0d6cc;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    background: #fff;
}

.size-option:hover {
    border-color: #583822;
    background: #faf2e2;
}

.size-option input[type="radio"] {
    grid-column: 1;
    grid-row: 1 / 3;
    width: 18px;
    height: 18px;
    accent-color: #583822;
}

.size-option.selected,
.size-option:has(input:checked) {
    border-color: #583822;
    background: #faf2e2;
}

.size-label {
    font-size: 14px;
    color: #333;
}

.size-hinban {
    grid-column: 2;
    grid-row: 1 / 3;
    align-self: center;
    display: inline-block;
    background: #583822;
    color: #fff;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: bold;
    min-width: 45px;
    text-align: center;
}

.size-name {
    grid-column: 3;
    grid-row: 1;
    font-size: 14px;
    color: #333;
    font-weight: bold;
}


.size-price {
    grid-column: 4;
    grid-row: 1 / 3;
    font-weight: bold;
    color: #df5f08;
    font-size: 14px;
    white-space: nowrap;
    text-align: right;
    align-self: center;
}

/* サイズオプション2行目（重量・送料・振込み） */
.size-sub {
    grid-column: 3;
    grid-row: 2;
    font-size: 11px;
    color: #888;
}

.size-sub .furikomi {
    display: inline-block;
    background: #e60033;
    color: #fff;
    font-size: 10px;
    font-weight: bold;
    padding: 2px 8px;
    border-radius: 3px;
    margin-left: 4px;
}

.total-tax {
    font-size: 13px;
    opacity: 0.9;
    margin-top: 5px;
}

/* -----------------------------------------
   数量選択
   ----------------------------------------- */
.quantity-section {
    margin-bottom: 20px;
}

.quantity-section h4 {
    font-size: 14px;
    color: #583822;
    margin: 0 0 10px 0;
    padding-bottom: 8px;
    border-bottom: 2px solid #f8f4e6;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quantity-select {
    padding: 10px 15px;
    font-size: 16px;
    border: 2px solid #ddd;
    border-radius: 6px;
    background: #fff;
    color: #333;
    cursor: pointer;
    min-width: 100px;
}

.quantity-select:focus {
    border-color: #583822;
    outline: none;
}

.quantity-hint {
    font-size: 14px;
    color: #666;
}

.quantity-note {
    font-size: 12px;
    color: #888;
    margin: 8px 0 0 0;
}

/* -----------------------------------------
   価格表示
   ----------------------------------------- */
.price-display {
    margin: 20px 0;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    background: #f8f4e6;
    border: 2px solid #df5f08;
}

.price-label {
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.price-value {
    font-size: 22px;
    font-weight: bold;
    color: #333;
}

.price-value .tax {
    font-size: 16px;
    color: #666;
    font-weight: normal;
}

.price-per-unit {
    font-size: 14px;
    color: #df5f08;
    margin-top: 5px;
    font-weight: bold;
}

/* -----------------------------------------
   合計表示
   ----------------------------------------- */
.total-display {
    margin-top: 15px;
    padding: 15px;
    background: linear-gradient(135deg, #583822 0%, #765c47 100%);
    color: #fff;
    border-radius: 8px;
    text-align: center;
}

.total-label {
    font-size: 14px;
    opacity: 0.9;
}

.total-value {
    font-size: 26px;
    font-weight: bold;
}

/* -----------------------------------------
   注意書き
   ----------------------------------------- */
.notes {
    margin-top: 15px;
    padding: 15px;
    background: #fff8e3;
    border-radius: 4px;
    border-left: 4px solid #df5f08;
    font-size: 13px;
    color: #583822;
}

.notes strong {
    color: #792b04;
}

.notes ul {
    margin: 8px 0 0 0;
    padding-left: 20px;
}

.notes li {
    margin: 5px 0;
}

.notes .warning {
    color: #e60033;
    font-weight: bold;
}

/* -----------------------------------------
   送信ボタン
   ----------------------------------------- */
.submit-section {
    text-align: center;
    margin-top: 20px;
}

.submit-btn {
    background: #df5f08;
    color: #fff;
    border: none;
    padding: 14px 45px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.submit-btn:hover {
    background: #c54d00;
}

/* -----------------------------------------
   商品グループヘッダー
   ----------------------------------------- */
.product-group-header {
    background: linear-gradient(135deg, #792b04 0%, #993300 100%);
    color: #fff;
    padding: 15px 20px;
    margin: 30px auto 0;
    max-width: 800px;
    border-radius: 8px 8px 0 0;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
}

.product-group-header + .product-card {
    margin-top: 0;
    border-radius: 0 0 8px 8px;
}

/* -----------------------------------------
   単価情報
   ----------------------------------------- */
.unit-price-info {
    text-align: center;
    font-size: 13px;
    color: #666;
    margin-top: 8px;
    padding: 8px;
    background: #faf2e2;
    border-radius: 4px;
}

/* -----------------------------------------
   レスポンシブ対応
   ----------------------------------------- */
@media screen and (max-width: 768px) {
    .product-card {
        margin: 15px 10px;
        max-width: none;
    }

    .product-header {
        padding: 10px 15px;
        font-size: 14px;
    }

    .product-header .hinban {
        padding: 3px 8px;
        font-size: 12px;
        margin-right: 8px;
    }

    .product-body {
        padding: 15px;
    }

    .size-option {
        grid-template-columns: auto auto 1fr;
        grid-template-rows: auto auto auto;
        padding: 10px 12px;
        gap: 3px 10px;
    }

    .size-option input[type="radio"] {
        grid-column: 1;
        grid-row: 1 / 4;
    }

    .size-hinban {
        grid-column: 2;
        grid-row: 1 / 4;
        align-self: center;
    }

    .size-name {
        grid-column: 3;
        grid-row: 1;
    }

    .size-price {
        grid-column: 3;
        grid-row: 2;
        text-align: left;
    }

    .size-sub {
        grid-column: 3;
        grid-row: 3;
        font-size: 10px;
    }

    .size-label {
        font-size: 13px;
    }

    .quantity-select,
    .option-select {
        min-width: 80px;
        padding: 8px 10px;
        font-size: 14px;
    }

    .price-display {
        padding: 15px;
    }

    .price-value {
        font-size: 20px;
    }

    .total-value {
        font-size: 22px;
    }

    .submit-btn {
        width: 100%;
        padding: 12px 20px;
    }

    .product-group-header {
        margin: 20px 10px 0;
        padding: 12px 15px;
        font-size: 16px;
    }
}

@media screen and (max-width: 480px) {
    .product-header {
        font-size: 13px;
        padding: 8px 12px;
    }

    .product-header .hinban {
        display: block;
        margin-bottom: 5px;
        margin-right: 0;
        text-align: center;
    }

    .size-option {
        padding: 8px 10px;
        gap: 3px 8px;
    }

    .size-hinban {
        font-size: 10px;
        padding: 2px 6px;
        min-width: 35px;
    }

    .size-name {
        font-size: 12px;
    }

    .size-price {
        font-size: 13px;
    }

    .size-sub {
        font-size: 9px;
    }

    .option-section h4,
    .size-selection h4,
    .quantity-section h4 {
        font-size: 13px;
    }
}