/* top.css */
body {
    font-family: 'Noto Sans JP', sans-serif;
    margin: 0;
    padding: 0;
    background-color: rgb(241, 240, 232);
}

header {
    background-color: rgb(241, 240, 232);
    padding: 1rem;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: #333;
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
}

.nav-toggle {
    display: none;
}

.nav-toggle-label {
    display: none;
    cursor: pointer;
}

.nav-menu {
    display: flex;
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin-left: 1rem;
}

.nav-menu a {
    color: #333;
    text-decoration: none;
}

main {
    padding: 2rem;
}

.thread-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.thread-item {
    background-color: rgb(241, 240, 232);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.thread-item:hover {
    transform: translateY(-5px);
}

.thread-item p {
    height: 100px;
    overflow: hidden;
    font-size: 0.8rem; /* 小さめの文字サイズに設定 */
    color: grey; /* 文字色をグレーに設定 */
}

.thread-item h3 {
    height: 85px;
    overflow: hidden;
    margin-top: 0;
}

.thread-link {
    color: #0056b3;
    text-decoration: none;
}

.thread-item footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #6c757d;
    font-size: 0.9rem;
    margin-top: 1rem;
    flex-direction: column; /* 縦積みに変更 */
    align-items: flex-start; /* 左寄せに変更 */
}

footer {
    background-color: rgb(241, 240, 232);
    color: #333;
    padding: 1rem;
    text-align: center;
    margin-top: 2rem;
}

/* アイコン用のスタイル */
.icon {
    margin-right: 0.5rem;
    display: inline-block;
    vertical-align: middle;
}

@media screen and (max-width: 768px) {
    .nav-toggle-label {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        background-color: #007bff;
        width: 100%;
        display: none;
        flex-direction: column;
        padding: 1rem;
    }

    .nav-menu li {
        margin: 0.5rem 0;
    }

    .nav-toggle:checked ~ .nav-menu {
        display: flex;
    }
}