:root {
    --color-bg: #f5f7fb;
    --color-card: #ffffff;
    --color-text: #232936;
    --color-muted: #8a93a3;
    --color-primary: #1d4ed8;
    --color-primary-dark: #1e40af;
    --color-border: #e6e9f0;
    --color-soft: #eef4ff;
    --radius: 14px;
    --radius-sm: 10px;
    --shadow: 0 1px 3px rgba(20,40,80,0.06), 0 6px 20px rgba(20,40,80,0.05);
    --shadow-hover: 0 8px 28px rgba(20,40,80,0.14);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.75;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- ヘッダー ---------- */
.site-header {
    background: linear-gradient(90deg, #1e3a8a, #1d4ed8);
    color: #fff;
    box-shadow: 0 2px 12px rgba(20,40,80,0.18);
    position: sticky;
    top: 0;
    z-index: 10;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    padding-bottom: 14px;
}
.site-logo {
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    letter-spacing: 0.3px;
}
.site-logo:hover { text-decoration: none; opacity: 0.92; }
.admin-link { color: rgba(255,255,255,0.85); font-size: 13px; }

/* ---------- ヒーロー ---------- */
.hero {
    background: linear-gradient(180deg, #ffffff, #eef4ff);
    text-align: center;
    padding: 46px 20px 38px;
    border-bottom: 1px solid var(--color-border);
}
.hero .hero-badge {
    display: inline-block;
    background: var(--color-soft);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 14px;
}
.hero h1 { font-size: 30px; font-weight: 800; letter-spacing: 0.5px; margin-bottom: 10px; }
.hero p { color: var(--color-muted); font-size: 15px; }
.portal-hero p { max-width: 640px; margin: 0 auto; }
.portal-hero { padding-top: 52px; }

.search-wrap { margin: 24px auto 0; max-width: 460px; }
#siteSearch {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: 15px;
    font-family: inherit;
    background: #fff;
    box-shadow: 0 2px 10px rgba(20,40,80,0.08);
    transition: box-shadow 0.15s, border-color 0.15s;
}
#siteSearch:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px rgba(29,78,216,0.12); }

/* ---------- 最新の投稿フィード ---------- */
.feed { padding-bottom: 6px; }
.feed-list { list-style: none; }
.feed-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
    transition: border-color 0.15s;
}
.feed-item:hover { border-color: #cfe0ff; }
.feed-company {
    flex-shrink: 0;
    background: var(--color-soft);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
}
.feed-title { flex: 1; font-weight: 600; color: var(--color-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.feed-title:hover { color: var(--color-primary); }
.feed-meta { flex-shrink: 0; font-size: 12px; color: var(--color-muted); display: flex; gap: 10px; }
.feed-meta a { color: var(--color-muted); }
.feed-meta a:hover { color: var(--color-primary); }

@media (max-width: 640px) {
    .feed-item { flex-wrap: wrap; gap: 6px 12px; }
    .feed-title { white-space: normal; flex-basis: 100%; order: 3; }
}


.section-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 30px 0 16px;
}
.section-head h2 { font-size: 19px; font-weight: 700; }
.section-head .count {
    background: var(--color-soft);
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 999px;
}

/* ---------- 一覧カード ---------- */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding-bottom: 44px;
}
.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.card-link { display: block; color: var(--color-text); }
.card-link:hover { text-decoration: none; }
.card-thumb { position: relative; }
.card-thumb img { width: 100%; height: 150px; object-fit: cover; display: block; border-radius: var(--radius) var(--radius) 0 0; }
.card-body { padding: 16px 18px 18px; color: var(--color-text); }
.card-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}
.card-title {
    font-size: 12px;
    color: var(--color-muted);
    font-weight: 500;
    background: #f2f4f8;
    padding: 2px 9px;
    border-radius: 999px;
    white-space: nowrap;
}
.card-company { font-size: 14px; color: var(--color-primary); font-weight: 600; margin: 6px 0 12px; }
.card-latest {
    font-size: 13px;
    color: var(--color-muted);
    border-top: 1px solid var(--color-border);
    padding-top: 12px;
}
.card-latest .latest-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}
.card-latest a { display: block; color: var(--color-text); font-weight: 600; line-height: 1.5; }
.card-latest a:hover { color: var(--color-primary); }

/* ---------- 共通ラベル・日付 ---------- */
.label {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 2px 11px;
    border-radius: 999px;
    margin-bottom: 6px;
}
.date { font-size: 12px; color: var(--color-muted); }

.breadcrumb { font-size: 13px; color: var(--color-muted); margin: 22px 0 6px; }
.breadcrumb a { color: var(--color-muted); }

/* ---------- プロフィール ---------- */
.profile {
    display: flex;
    gap: 26px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 28px;
    margin: 10px 0 8px;
    box-shadow: var(--shadow);
}
.profile-photo { flex-shrink: 0; }
.profile-photo img {
    width: 140px; height: 140px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--color-soft);
    box-shadow: 0 2px 10px rgba(20,40,80,0.1);
}
.profile-info h1 { font-size: 26px; font-weight: 800; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.profile-company { color: var(--color-primary); font-size: 17px; font-weight: 600; margin: 6px 0 10px; }
.industry-badge {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 2px 12px;
    border-radius: 999px;
    margin-left: 8px;
    vertical-align: middle;
}
.profile-block { margin-bottom: 16px; }
.profile-block-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}
.profile-intro { color: #4b5563; margin-bottom: 4px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tag {
    display: inline-block;
    background: var(--color-soft);
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 999px;
}
.tag:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

/* ---------- タグクラウド ---------- */
.tagcloud-section { padding-bottom: 40px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.15s, color 0.15s;
}
.tag-chip:hover { border-color: var(--color-primary); }
.tag-chip.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.tag-chip .tc-count {
    background: rgba(0,0,0,0.08);
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    padding: 0 7px;
}
.tag-chip.active .tc-count { background: rgba(255,255,255,0.25); }

.sns-links { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.sns-link {
    display: inline-block;
    background: #fff;
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
    transition: background 0.15s, color 0.15s;
}
.sns-link:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

.summary-meta { font-size: 11px; color: var(--color-muted); margin: 4px 0 10px; }

.btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    padding: 10px 22px;
    border-radius: 10px;
    border: none;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.btn:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-small { padding: 6px 14px; font-size: 13px; }
.btn-secondary { background: #eceef3; color: #333; }
.btn-secondary:hover { background: #dfe2e9; }

/* ---------- 記事 ---------- */
.articles { padding-bottom: 44px; }
.articles h2 { font-size: 21px; font-weight: 700; margin-bottom: 16px; }

.featured {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-top: 4px solid var(--color-primary);
    border-radius: var(--radius);
    padding: 22px 24px;
    margin-bottom: 18px;
    box-shadow: var(--shadow);
}
.featured h3 { font-size: 20px; font-weight: 700; margin: 8px 0; line-height: 1.5; }
.featured h3 a { color: var(--color-text); }
.featured h3 a:hover { color: var(--color-primary); }
.summary {
    background: var(--color-soft);
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    margin: 12px 0;
    font-size: 15px;
    color: #334155;
    line-height: 1.9;
}

.entry {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 16px 22px;
    margin-bottom: 12px;
    box-shadow: var(--shadow);
    transition: border-color 0.15s;
}
.entry:hover { border-color: #cfe0ff; }
.entry h3 { font-size: 17px; font-weight: 600; }
.entry h3 a { color: var(--color-text); }
.entry h3 a:hover { color: var(--color-primary); }

.empty { color: var(--color-muted); padding: 40px 0; text-align: center; }

/* ---------- フッター ---------- */
.site-footer {
    background: #1e293b;
    color: #9aa7ba;
    text-align: center;
    font-size: 13px;
    padding: 28px 16px;
    margin-top: 24px;
}

@media (max-width: 640px) {
    .container { padding: 0 16px; }
    .profile { flex-direction: column; align-items: center; text-align: center; }
    .profile-photo img { width: 110px; height: 110px; }
    .hero h1 { font-size: 24px; }
    .card-name { font-size: 17px; }
}