/* ===== リセット・ベース ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: #333;
    background: #fff;
    padding: 20px 16px 60px;
}

/* ===== ヘッダー ===== */
header {
    border-bottom: 1px solid #ddd;
    padding-bottom: 12px;
    margin-bottom: 24px;
}
header h1 { font-size: 1rem; }

/* ===== メインレイアウト ===== */
main {
    max-width: 860px;
    margin: 0 auto;
}

/* ===== 見出し ===== */
h2.wp-block-heading {
    font-size: 1.3rem;
    font-weight: bold;
    border-bottom: 3px solid #e5e5e5;
    padding-bottom: 8px;
    margin-bottom: 16px;
    color: #222;
}
h3.section-heading {
    font-size: 1.1rem;
    font-weight: bold;
    background: #f0f4f8;
    border-left: 4px solid #0078d4;
    padding: 10px 14px;
    margin: 28px 0 16px;
    color: #222;
}

/* ===== 説明テキスト ===== */
.description-text {
    margin-bottom: 20px;
    color: #444;
}

/* ===== 入力エリア全体 ===== */
.tool-section {
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 24px 20px;
    margin-top: 20px;
    background: #fff;
}

/* ===== ラベル行 ===== */
.field-row {
    display: flex;
    align-items: flex-start;
    margin-bottom: 18px;
    gap: 12px;
}
.field-label {
    min-width: 200px;
    max-width: 200px;
    font-weight: bold;
    font-size: 14px;
    padding-top: 10px;
    color: #333;
    flex-shrink: 0;
}
.field-label .required {
    display: inline-block;
    background: #c0392b;
    color: #fff;
    font-size: 11px;
    padding: 1px 5px;
    border-radius: 2px;
    margin-left: 6px;
    vertical-align: middle;
    font-weight: normal;
}
.field-input {
    flex: 1;
}

/* ===== テキスト入力 ===== */
.field-input input[type="text"] {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 3px;
    font-size: 14px;
    color: #333;
    background: #fff;
    transition: border-color 0.2s;
}
.field-input input[type="text"]:focus {
    outline: none;
    border-color: #0078d4;
    box-shadow: 0 0 0 2px rgba(0,120,212,0.15);
}

/* ===== ボタン群 ===== */
.btn-group {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
}
.btn-check {
    padding: 13px 28px;
    background: #0078d4;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    transition: background 0.2s;
    flex: 1;
    max-width: 260px;
}
.btn-check:hover { background: #005ea2; }
.btn-check:disabled { background: #aaa; cursor: not-allowed; }
.btn-reset {
    padding: 13px 28px;
    background: #fff;
    color: #555;
    border: 1px solid #bbb;
    border-radius: 4px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    text-align: center;
    transition: background 0.2s, border-color 0.2s;
    flex: 1;
    max-width: 160px;
}
.btn-reset:hover { background: #f5f5f5; border-color: #999; }

/* ===== 結果エリア ===== */
/* inlineのstyle属性を使わずクラスで表示・非表示を切り替える */
.result-section {
    margin-top: 30px;
    border-top: 2px solid #e5e5e5;
    padding-top: 24px;
}
.result-hidden {
    display: none;
}
.result-section h3 {
    font-size: 1rem;
    font-weight: bold;
    margin-bottom: 16px;
    color: #222;
}

.results-grid { display: grid; gap: 14px; }

.card {
    border: 1px solid #ddd;
    border-left: 5px solid #ccc;
    border-radius: 4px;
    padding: 16px 18px;
    background: #fafafa;
}
.card.ok { border-left-color: #27ae60; }
.card.ng { border-left-color: #e74c3c; }

.card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}
.card-title {
    font-size: 15px;
    font-weight: bold;
    color: #222;
}
.card-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 3px;
    font-size: 13px;
    font-weight: bold;
    color: #fff;
}
.card-badge.ok { background: #27ae60; }
.card-badge.ng { background: #e74c3c; }

.card-detail {
    font-family: Consolas, "Courier New", monospace;
    font-size: 13px;
    color: #444;
    white-space: pre-wrap;
    word-break: break-all;
    background: #f0f0f0;
    border-radius: 3px;
    padding: 8px 10px;
    margin-top: 8px;
}

/* ===== ローディング ===== */
.loading {
    text-align: center;
    padding: 30px;
    color: #666;
    font-size: 14px;
}

/* ===== 区切り線 ===== */
hr.wp-divider {
    border: none;
    border-top: 1px solid #ddd;
    margin: 24px 0;
}

/* ===== フッター ===== */
footer {
    max-width: 860px;
    margin: 40px auto 0;
    padding-top: 16px;
    border-top: 1px solid #ddd;
    text-align: center;
    color: #888;
    font-size: 12px;
}
footer a { color: #0078d4; text-decoration: none; }
footer a:hover { text-decoration: underline; }
.footer-link-area { margin-bottom: 8px; }

/* ===== レスポンシブ ===== */
@media (max-width: 640px) {
    .field-row { flex-direction: column; gap: 4px; }
    .field-label { min-width: unset; max-width: unset; padding-top: 0; }
    .btn-check, .btn-reset { max-width: 100%; }
}