body {
    font-family: "Segoe UI", sans-serif;
    margin: 20px;
    background: #fafafa;
    color: #333;
}

h1 {
    margin-bottom: 20px;
}

.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
}

.controls label {
    display: flex;
    flex-direction: column;
    font-size: 14px;
}

canvas {
    background: white;
    padding: 15px;
    border-radius: 8px;
    border: 1px solid #ddd;
}

/* -----------------------
   詳細ページ
----------------------- */
.project-detail {
    background: white;
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #ddd;
}

.project-detail h1 {
    margin-top: 0;
}

.project-detail section {
    margin-bottom: 25px;
}

.tech-list,
.member-list {
    list-style: none;
    padding-left: 0;
}

.tech-list li,
.member-list li {
    padding: 5px 0;
}

.role {
    color: #666;
}

.back-link,
.back-button {
    display: inline-block;
    margin-top: 20px;
    text-decoration: none;
    color: #333;
}

.back-link:hover,
.back-button:hover {
    text-decoration: underline;
}

/* Layout helper */
section h2 {
    margin-bottom: 8px;
    border-left: 4px solid #2c7be5;
    padding-left: 8px;
}