:root {
    --main-color: #4f46e5;
    --main-hover: #4338ca;
    --sub-color: #059669;
    --bg-color: #f1f5f9;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #0f172a;
    --muted: #64748b;
    --accent-tint: #eef2ff;
    --badge-live-bg: #ecfdf5;
    --badge-live-text: #047857;
    --badge-dev-bg: #f1f5f9;
    --badge-dev-text: #475569;
}
* { box-sizing: border-box; }
body {
    font-family: system-ui, -apple-system, "Segoe UI", "Meiryo", sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text);
    font-size: 18px;
}

.portal-bar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.portal-bar h1 { font-size: 24px; margin: 0; color: var(--text); }
.portal-bar .updated { font-size: 14px; color: var(--muted); white-space: nowrap; }
.brand h1 { margin: 0; }
.tagline { font-size: 13px; color: var(--muted); margin: 2px 0 0; }

.container { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(420px, 100%), 1fr));
    gap: 24px;
}

.app-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
    display: flex;
    justify-content: space-between;
    gap: 20px;
}
.app-card-main { flex: 1; min-width: 0; }
.app-card-icon { font-size: 32px; line-height: 1; margin-bottom: 8px; }
.app-card-title { font-size: 22px; font-weight: bold; margin: 0 0 8px; color: var(--text); }
.app-card-desc { font-size: 15px; color: var(--muted); margin: 0 0 20px; line-height: 1.6; }
.app-card-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.app-card-desc-toggle { margin: 0 0 20px; }
.app-card-desc-toggle > summary { cursor: pointer; font-size: 15px; font-weight: bold; color: var(--main-color); list-style: none; display: inline-flex; align-items: center; gap: 6px; }
.app-card-desc-toggle > summary::-webkit-details-marker { display: none; }
.app-card-desc-toggle > summary::before { content: "▸"; font-size: 12px; }
.app-card-desc-toggle[open] > summary::before { content: "▾"; }
.app-card-desc-toggle p { font-size: 15px; color: var(--muted); margin: 10px 0 0; line-height: 1.6; }

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: bold;
    text-decoration: none;
    border: none;
    cursor: pointer;
}
.btn-primary { background: var(--main-color); color: #fff; }
.btn-primary:hover { background: var(--main-hover); }
.btn-secondary { background: var(--accent-tint); color: var(--main-color); }
.btn-secondary:hover { background: #c7d2fe; }

.app-card-meta {
    flex: 0 0 140px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
    text-align: right;
}
.version-tag {
    font-size: 13px;
    color: var(--muted);
    background: var(--bg-color);
    padding: 3px 10px;
    border-radius: 999px;
}
.badge {
    font-size: 13px;
    font-weight: bold;
    padding: 3px 10px;
    border-radius: 999px;
    white-space: nowrap;
}
.badge-live { background: var(--badge-live-bg); color: var(--badge-live-text); }
.badge-dev { background: var(--badge-dev-bg); color: var(--badge-dev-text); }

.app-grid-empty {
    border: 1px dashed var(--border);
    border-radius: 16px;
    padding: 28px;
    color: var(--muted);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

@media (max-width: 480px) {
    .app-card { flex-direction: column; }
    .app-card-meta { flex-direction: row; align-items: center; justify-content: flex-start; }
}

.portal-footer {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px 32px;
}
.domain-trivia { font-size: 13px; color: var(--muted); }
.domain-trivia > summary { cursor: pointer; font-weight: bold; color: var(--main-color); list-style: none; display: inline-flex; align-items: center; gap: 6px; }
.domain-trivia > summary::-webkit-details-marker { display: none; }
.domain-trivia > summary::before { content: "▸"; font-size: 12px; }
.domain-trivia[open] > summary::before { content: "▾"; }
.domain-trivia p { margin: 8px 0 0; line-height: 1.6; }