:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --text-main: #ffffff;
    --text-sub: #b3b3b3;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 400px;
    padding: 40px 20px;
    box-sizing: border-box;
}

.header {
    text-align: center;
    margin-bottom: 30px;
}

.artwork {
    width: 150px;
    height: 150px;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 0 16px #757575;
    margin-bottom: 16px;
}

.title {
    font-size: 20px;
    font-weight: bold;
    margin: 0 0 8px 0;
}

.artist {
    font-size: 14px;
    color: var(--text-sub);
    margin: 0;
}

.release-date {
    font-size: 12px;
    color: var(--text-sub);
    margin: 8px 0 0 0;
    letter-spacing: 0.05em;
    font-family: monospace;
}

.link-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--card-bg);
    padding: 16px 20px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-main);
    box-shadow: 2px 2px 8px #399ec2;
    transition: transform 0.2s, background-color 0.2s;
}

.link-item:hover {
    transform: translateY(-2px);
    background-color: #2a2a2a;
}

.service-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ロゴ画像共通スタイル（サイズを固定してズレを防ぐ） */
.service-logo {
    width: 24px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
    display: block;
}

/* ロゴが存在しない場合の余白確保用 */
.fallback-logo {
    background-color: transparent; /* 背景を透明にする */
}
.service-name {
    font-size: 16px;
    font-weight: 600;
}

.action-text {
    font-size: 12px;
    padding: 6px 12px;
    border: 1px solid var(--text-sub);
    border-radius: 16px;
    white-space: nowrap;
}

footer {
    padding: 6px 10px;
    font-size: 11px;
    color: #999;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

footer p {
    margin: 0;
}

footer #site-version {
    color: #888;
}