/* ベーススタイル */
body {
    margin: 0;
    font-family: 'M PLUS Rounded 1c', sans-serif;
    background-color: #f8f9fa;
    color: #333;
}

h1 {
    font-size: 1.8rem;
    text-align: center;
    margin: 1.5rem 0;
}

.trailers-grid-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

.trailers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.trailer-item {
    background: #fff;
    border-radius: 10px;
    padding: 1rem;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    overflow: hidden;
    max-width: 300px;
    justify-content: flex-start;
}

.trailer-item span {
    display: block;
    font-weight: bold;
    margin-bottom: 0.5rem;
    width: 100%;
    box-sizing: border-box;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    padding: 8px;
    background-color: #f0f0f0;
}

.thumbnail {
    width: 100%;
    height: auto;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.3s ease;
    display: block;
    position: relative;
}

.message.error-message {
    color: #d9534f;
    background-color: #f9d6d5;
    border: 1px solid #d9534f;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    text-align: center;
}

.no-data {
    text-align: center;
    font-style: italic;
    margin: 2rem 0;
}

.pagination {
    text-align: center;
    margin-top: 2rem;
}

.pagination a,
.pagination span.current-page {
    display: inline-block;
    margin: 0 0.4rem;
    padding: 0.4rem 0.8rem;
    border-radius: 5px;
    text-decoration: none;
    background: #007bff;
    color: #fff;
}

.pagination span.current-page {
    background: #6c757d;
    pointer-events: none;
}

.pagination a:hover {
    background: #0056b3;
}

.button-container {
    text-align: center;
    margin-top: 2rem;
}

.button-container a {
    display: inline-block;
    background-color: #007bff;
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 5px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.button-container a:hover {
    background-color: #0056b3;
}

.play-button-overlay {
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12vw;
    height: 12vw;
    min-width: 60px;
    min-height: 60px;
    max-width: 80px;
    max-height: 80px;
    font-size: 6vw;
    min-font-size: 40px;
    max-font-size: 60px;
    color: rgba(255, 255, 255, 0.8);
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    transition: background-color 0.3s ease, color 0.3s ease;
    z-index: 1;
    font-family: 'Material Icons';
}

.trailer-item:hover .thumbnail {
    transform: scale(1.05);
}
.trailer-item:hover .play-button-overlay {
    background-color: rgba(200, 0, 0, 0.7);
    color: #fff;
}

@media screen and (max-width: 768px) {
    h1 {
        font-size: 1.4rem;
    }

    .trailer-item {
        padding: 0.8rem;
        max-width: none;
    }

    .button-container a {
        width: 90%;
        font-size: 1rem;
    }

    .play-button-overlay {
        width: 18vw;
        height: 18vw;
        min-width: 60px;
        min-height: 60px;
        max-width: 70px;
        max-height: 70px;
        font-size: 10vw;
        min-font-size: 40px;
        max-font-size: 50px;
    }
}