body {
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    font-family: 'Noto Sans JP', sans-serif;
}

body .content-container {
    position: relative;
    margin-top: 30px;
    padding: 20px;
    width: calc(100% - 420px);
    box-sizing: border-box;
}

.column-window {
    background: white;
    border-radius: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    padding: 30px;
    margin: 45px auto;
    max-width: 900px;
}

.column-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin-bottom: 30px;
}

.column-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: transform 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 15px;
    text-decoration: none;
    cursor: pointer;
    position: relative;
    min-height: auto;
}

.column-card:hover {
    transform: translateY(-3px);
}

.column-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
}

.column-title {
    font-size: 1.2em;
    margin: 0;
    color: #333;
    font-weight: bold;
    text-align: center;
}

.column-summary {
    color: #666;
    font-size: 16px;
    line-height: 1.4;
    margin: 0;
    margin-bottom: 20px;
}

.column-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: auto;
}

.column-footer {
    display: flex;
    flex-direction: column;
}

.column-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.read-more {
    color: #696969;
    font-size: 0.9em;
    font-weight: bold;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 2px;
    margin-top: 10px;
    align-self: flex-end;
}

.column-category {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: 0.8em;
    color: #495057;
    width: auto;
    display: inline;
}

.column-category::before {
    content: "#";
    margin-right: 4px;
}

.column-date {
    color: #000;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: 5px;
}

.pagination {
    display: flex;
    width: fit-content;
    gap: 0;
    margin: 20px auto;
    border: 1px solid #ccc;
    border-radius: 5px;
    overflow: hidden;
}

.pagination-button {
    border: none;
    background-color: white;
    color: #0d6efd;
    padding: 8px 10px;
    cursor: pointer;
    font-size: 14px;
    margin: 0;
    min-width: 40px;
}

.pagination-button + .pagination-button {
    border-left: 1px solid #ccc;
}

.pagination-button.active {
    background-color: #0d6efd;
    color: white;
}

.pagination-button:hover {
    background-color: white;
    color: #0d6efd;
}

.pagination-button[disabled] {
    opacity: 0.5;
}

.pagination-info {
    color: #666;
    font-size: 0.9em;
    min-width: 100px;
    text-align: center;
}

.success-message {
    color: #28a745;
    padding: 10px;
    border-radius: 4px;
    background-color: #d4edda;
    margin-bottom: 20px;
    text-align: center;
}

.error-message {
    color: #dc3545;
    padding: 10px;
    border-radius: 4px;
    background-color: #f8d7da;
    margin-bottom: 20px;
    text-align: center;
}

.pagination-button.active:hover {
    background-color: #0d6efd; 
    color: white !important;   
    cursor: default;
    transform: none;
}

.column-card .read-more-mobile {
    display: none;
}

@media (max-width: 600px) {

    body .content-container {
        width: 100%;
        padding: 10px;
    }
    
    .column-list {
        grid-template-columns: 1fr !important;
    }
    
    .column-image {
        aspect-ratio: 3 / 2;
        height: auto; 
        object-fit: cover;
    }
    
    body .contact-form-container {
        position: static !important;
        top: auto !important;
        right: auto !important;
        width: calc(100% - 40px) !important;
        margin: 30px auto !important;
        box-sizing: border-box !important;
        box-shadow: none;
        border: 1px solid #ddd;
        border-radius: 5px;
    }
    
    .column-card .read-more {
        display: none;
    }
    .column-card .read-more-mobile {
        display: block;
        text-align: center;
        margin: -25px auto -25px;
        font-size: 1.5em;
        color: #696969;
    }
    
    .floating-contact-btn {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 56px;
        background-color: #F15A22;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 18px;
        text-decoration: none;
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.3);
        z-index: 1000;
    }
    .floating-contact-btn i {
        margin-left: 8px;
    }

}

@media (min-width: 601px) {
    .floating-contact-btn {
        display: none;
    }
}