:root {
    --primary-color: #d63384; /* 少し落ち着きと深みのあるラズベリーピンク系 */
    --secondary-color: #c2185b;
    --bg-color: #fff5f8;      /* 柔らかい淡いピンクの背景 */
    --text-color: #2b2b2b;
    --card-bg: #ffffff;
    --accent-gradient: linear-gradient(135deg, #e91e63, #ad1457);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

header {
    background: var(--accent-gradient);
    color: white;
    text-align: center;
    padding: 2.5rem 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

header h1 {
    margin: 0;
    font-size: 1.8rem;
    letter-spacing: 0.05em;
}

header p {
    margin: 0.5rem 0 0;
    font-size: 1.1rem;
    opacity: 0.95;
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(215, 51, 132, 0.06);
    border: 1px solid rgba(233, 30, 99, 0.08);
}

h2 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--bg-color);
    padding-bottom: 0.5rem;
    margin-top: 0;
    font-size: 1.3rem;
}

ul {
    padding-left: 1.2rem;
}

li {
    margin-bottom: 0.5rem;
}

a {
    color: #ad1457;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.btn-ticket {
    display: block;
    background: var(--accent-gradient);
    color: white;
    text-align: center;
    padding: 1rem;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 1.5rem 0 0 0;
    box-shadow: 0 4px 12px rgba(233, 30, 99, 0.25);
    text-decoration: none;
}

.btn-ticket:hover {
    opacity: 0.92;
    text-decoration: none;
}

.grid-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.link-card {
    background: #faf6f8;
    border: 1px solid #f0e1e6;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

/* X埋め込みコンテナの調整 */
.x-embed-container {
    display: flex;
    justify-content: center;
    margin: 1.5rem 0;
}

footer {
    text-align: center;
    padding: 2rem;
    color: #887;
    font-size: 0.9rem;
}