* { box-sizing: border-box; }
body { margin: 0; font-family: "Hiragino Sans", "Noto Sans JP", sans-serif;
       background: #f5f6f8; color: #222; font-size: 15px; }
header { background: #2b3a55; color: #fff; }
nav { display: flex; align-items: center; gap: 4px; max-width: 1200px; margin: 0 auto;
      padding: 0 16px; flex-wrap: wrap; }
nav a { color: #cfd8e8; text-decoration: none; padding: 12px 12px; }
nav a:hover, nav a.active { color: #fff; background: #3d5075; }
nav .brand { font-weight: bold; color: #fff; font-size: 16px; }
nav .spacer { flex: 1; }
main { max-width: 1200px; margin: 20px auto; padding: 0 16px; }

h1 { font-size: 20px; } h2 { font-size: 17px; }
table { border-collapse: collapse; width: 100%; background: #fff; }
th, td { border: 1px solid #dde2ea; padding: 6px 10px; text-align: left; }
th { background: #eef1f6; font-weight: 600; white-space: nowrap; }
tr.clickable { cursor: pointer; }
tr.clickable:hover { background: #f0f6ff; }

.badge { display: inline-block; border-radius: 10px; padding: 1px 8px; font-size: 12px;
         color: #fff; margin-left: 4px; }
.badge.ok { background: #3a9d5d; } .badge.ng { background: #d64545; }
.badge.warn { background: #d9932c; } .badge.gray { background: #8a93a3; }

button, .btn { background: #2b6cb0; color: #fff; border: none; border-radius: 5px;
       padding: 7px 14px; font-size: 14px; cursor: pointer; text-decoration: none;
       display: inline-block; }
button:hover, .btn:hover { background: #245a94; }
button.secondary { background: #6a7488; }
button.danger { background: #d64545; }
button:disabled { background: #aab2c0; cursor: default; }
input[type=text], input[type=password], select {
  padding: 7px 10px; border: 1px solid #c4ccd8; border-radius: 5px; font-size: 14px; }

.toolbar { display: flex; gap: 8px; align-items: center; margin: 12px 0; flex-wrap: wrap; }
.card { background: #fff; border: 1px solid #dde2ea; border-radius: 8px; padding: 16px;
        margin: 12px 0; }
.muted { color: #6a7488; font-size: 13px; }
.error { color: #c0392b; }
.warn-text { color: #b07515; }
pre.log { background: #1d2430; color: #cde3cd; padding: 12px; border-radius: 6px;
          overflow-x: auto; font-size: 12px; max-height: 420px; overflow-y: auto; }

/* プレビュー */
.preview-pane img { max-width: 100%; border: 1px solid #ccd; margin: 4px 0;
                    box-shadow: 0 1px 4px rgba(0,0,0,.15); }
.thumb-strip { display: flex; gap: 6px; flex-wrap: wrap; }
.thumb-strip img { height: 110px; border: 2px solid #ccd; cursor: pointer; }
.thumb-strip img.sel { border-color: #2b6cb0; }

/* ドロップゾーン */
.dropzone { border: 2px dashed #9fb0c8; border-radius: 10px; background: #fff;
            padding: 48px 16px; text-align: center; color: #6a7488; }
.dropzone.drag { background: #e8f1ff; border-color: #2b6cb0; color: #2b6cb0; }
ul.filelist { list-style: none; padding-left: 0; }
ul.filelist li { padding: 3px 0; border-bottom: 1px dotted #dde2ea; }
progress { width: 100%; height: 14px; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }
.spin { display: inline-block; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }