/*
Theme Name: Welcart Duo Clone
Theme URI: https://example.com/welcart-duo-clone
Description: Welcart Duo デザイン再現テーマ - ECサイト向けWordPressテーマ
Version: 1.0.0
Author: Your Name
Author URI: https://example.com
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: welcart-duo-clone
Tags: e-commerce, welcart, two-columns, responsive-layout, custom-menu
*/

/*--------------------------------------------------------------
>>> TABLE OF CONTENTS:
----------------------------------------------------------------
1.0 Reset & Base
2.0 Typography
3.0 Layout
4.0 Header
5.0 Navigation
6.0 Content
7.0 Footer
8.0 Responsive
--------------------------------------------------------------*/

/*--------------------------------------------------------------
1.0 Reset & Base
--------------------------------------------------------------*/
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

a {
    color: #0066cc;
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    opacity: 0.8;
}

/*--------------------------------------------------------------
2.0 Typography
--------------------------------------------------------------*/
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

/*--------------------------------------------------------------
3.0 Layout
--------------------------------------------------------------*/
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col {
    padding: 0 15px;
}

/*--------------------------------------------------------------
4.0 Header
--------------------------------------------------------------*/
.site-header {
    background-color: #fff;
    border-bottom: 1px solid #e5e5e5;
    padding: 1rem 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-branding {
    display: flex;
    align-items: center;
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.site-title a {
    color: #333;
}

/*--------------------------------------------------------------
5.0 Navigation
--------------------------------------------------------------*/
.main-navigation {
    display: flex;
    align-items: center;
}

.main-navigation ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    margin: 0;
}

.main-navigation a {
    color: #333;
    font-weight: 500;
}

.header-cart {
    margin-left: 2rem;
}

.cart-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #333;
    font-weight: 500;
}

.cart-count {
    background-color: #dc3545;
    color: #fff;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

/*--------------------------------------------------------------
6.0 Content
--------------------------------------------------------------*/
.site-main {
    padding: 3rem 0;
}

.content-area {
    flex: 1;
}

/* Product Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.product-card {
    border: 1px solid #e5e5e5;
    border-radius: 8px;
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.product-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.product-image {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
    background-color: #f5f5f5;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info {
    padding: 1rem;
}

.product-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.product-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: #dc3545;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: #0066cc;
    color: #fff;
}

.btn-primary:hover {
    background-color: #0052a3;
}

.btn-cart {
    background-color: #28a745;
    color: #fff;
    width: 100%;
}

.btn-cart:hover {
    background-color: #218838;
}

/*--------------------------------------------------------------
7.0 Footer
--------------------------------------------------------------*/
.site-footer {
    background-color: #f8f9fa;
    padding: 3rem 0 1rem;
    border-top: 1px solid #e5e5e5;
}

.footer-widgets {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-widget h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.footer-widget ul {
    list-style: none;
}

.footer-widget li {
    margin-bottom: 0.5rem;
}

.site-info {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #e5e5e5;
    color: #666;
    font-size: 0.875rem;
}

/*--------------------------------------------------------------
8.0 Responsive
--------------------------------------------------------------*/
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
}