/*
Theme Name: 官公庁プロポーザル情報ナビ
Theme URI: https://kobo.miraibunsho.jp/
Author: 未来文書株式会社
Description: 官公庁の公募型プロポーザル情報を、自治体別・期限順に掲載するための専用クラシックテーマです。
Version: 1.0.0
Requires at least: 6.5
Requires PHP: 8.1
Text Domain: kobo-proposal
*/

:root {
  --brand: #b51518;
  --brand-dark: #8e0f12;
  --ink: #1f2937;
  --muted: #64748b;
  --line: #dbe2ea;
  --surface: #f5f7fa;
  --navy: #1d3557;
  --white: #fff;
  --success: #157347;
  --warning: #a05a00;
  --closed: #68707b;
  --radius: 10px;
  --shadow: 0 8px 24px rgba(15, 23, 42, .08);
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.75;
}
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--brand-dark); }
img { max-width: 100%; height: auto; }
.site-container { width: min(calc(100% - 32px), var(--container)); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; z-index: 9999; padding: 10px 14px; background: #fff; }

.site-header { background: var(--white); border-top: 5px solid var(--brand); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.site-branding a { color: var(--ink); text-decoration: none; }
.site-title { margin: 0; font-size: clamp(1.2rem, 2.5vw, 1.65rem); font-weight: 800; letter-spacing: .02em; }
.site-description { margin: 2px 0 0; color: var(--muted); font-size: .82rem; }
.site-nav ul { display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; list-style: none; }
.site-nav a { color: var(--ink); font-weight: 700; text-decoration: none; font-size: .93rem; }
.site-nav a:hover { color: var(--brand); }

.site-main { min-height: 65vh; padding: 44px 0 72px; }
.page-header { margin-bottom: 26px; }
.page-title { margin: 0; font-size: clamp(1.65rem, 4vw, 2.35rem); line-height: 1.35; }
.page-lead { max-width: 760px; color: var(--muted); }

.hero { padding: 66px 0; background: linear-gradient(135deg, #fff 0%, #f8fafc 55%, #f4e9ea 100%); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.5fr 1fr; align-items: center; gap: 48px; }
.hero-label { color: var(--brand); font-weight: 800; letter-spacing: .08em; }
.hero h1 { margin: 8px 0 18px; font-size: clamp(2rem, 5vw, 3.55rem); line-height: 1.22; }
.hero p { color: var(--muted); font-size: 1.05rem; }
.hero-panel { padding: 28px; background: var(--navy); color: #fff; border-radius: 16px; box-shadow: var(--shadow); }
.hero-panel strong { display: block; margin-bottom: 8px; font-size: 1.35rem; }
.hero-panel ul { margin: 14px 0 0; padding-left: 1.2em; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 10px 20px; border: 0; border-radius: 7px; background: var(--brand); color: #fff; font-weight: 800; text-decoration: none; cursor: pointer; }
.button:hover { background: var(--brand-dark); color: #fff; }
.button-secondary { background: var(--navy); }
.button-outline { color: var(--brand); background: #fff; border: 1px solid var(--brand); }
.button-outline:hover { background: #fff5f5; color: var(--brand-dark); }

.section { padding: 56px 0; }
.section-title { margin: 0 0 22px; font-size: 1.65rem; }
.proposal-grid { display: grid; gap: 18px; }
.proposal-card { position: relative; padding: 24px; background: #fff; border: 1px solid var(--line); border-left: 5px solid var(--brand); border-radius: var(--radius); box-shadow: 0 3px 12px rgba(15,23,42,.04); }
.proposal-card:hover { box-shadow: var(--shadow); transform: translateY(-1px); transition: .2s ease; }
.proposal-card h2, .proposal-card h3 { margin: 8px 0 10px; font-size: 1.18rem; line-height: 1.5; }
.proposal-card h2 a, .proposal-card h3 a { color: var(--ink); text-decoration: none; }
.proposal-card h2 a:hover, .proposal-card h3 a:hover { color: var(--brand); }
.proposal-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: .9rem; }
.proposal-summary { margin: 13px 0 0; color: #475569; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; background: #e8f5ee; color: var(--success); font-size: .78rem; font-weight: 800; }
.badge--soon { background: #fff3dc; color: var(--warning); }
.badge--closed { background: #eef0f2; color: var(--closed); }
.badge--unknown { background: #eef2f7; color: #475569; }

.proposal-single { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 30px; align-items: start; }
.proposal-main, .proposal-side { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.proposal-main { padding: clamp(22px, 4vw, 40px); }
.proposal-side { position: sticky; top: 24px; padding: 22px; }
.proposal-heading { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.proposal-heading h1 { margin: 10px 0 0; font-size: clamp(1.55rem, 4vw, 2.25rem); line-height: 1.45; }
.proposal-overview { margin-top: 28px; font-size: 1.03rem; }
.detail-table { width: 100%; margin-top: 28px; border-collapse: collapse; }
.detail-table th, .detail-table td { padding: 14px 16px; border: 1px solid var(--line); vertical-align: top; text-align: left; }
.detail-table th { width: 30%; background: #f7f8fa; font-size: .9rem; }
.detail-section { margin-top: 34px; }
.detail-section h2 { margin: 0 0 12px; padding-left: 12px; border-left: 4px solid var(--brand); font-size: 1.25rem; }
.side-list { margin: 0 0 20px; padding: 0; list-style: none; }
.side-list li { padding: 11px 0; border-bottom: 1px solid var(--line); }
.side-list small { display: block; color: var(--muted); }
.side-list strong { display: block; margin-top: 2px; }
.source-note { margin-top: 14px; color: var(--muted); font-size: .78rem; }

.filter-bar { margin-bottom: 24px; padding: 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.filter-row { display: grid; grid-template-columns: 1.2fr 1fr 1fr auto; gap: 12px; }
.filter-bar label { display: block; color: var(--muted); font-size: .76rem; font-weight: 700; }
.filter-bar input, .filter-bar select { width: 100%; min-height: 43px; margin-top: 4px; padding: 8px 10px; border: 1px solid #bcc7d3; border-radius: 6px; background: #fff; }

.content-card { padding: clamp(22px, 4vw, 40px); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.post-list { display: grid; gap: 18px; }
.pagination { margin-top: 30px; }
.pagination .nav-links { display: flex; flex-wrap: wrap; gap: 6px; }
.pagination .page-numbers { padding: 7px 12px; background: #fff; border: 1px solid var(--line); border-radius: 5px; text-decoration: none; }
.pagination .current { background: var(--brand); color: #fff; border-color: var(--brand); }

.site-footer { padding: 38px 0; background: #17243a; color: #d8e0eb; }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; }
.site-footer a { color: #fff; }
.copyright { margin: 18px 0 0; color: #aebbd0; font-size: .8rem; }

@media (max-width: 860px) {
  .header-inner, .footer-grid { align-items: flex-start; flex-direction: column; padding-block: 18px; }
  .site-nav ul { flex-wrap: wrap; gap: 10px 18px; }
  .hero-grid, .proposal-single { grid-template-columns: 1fr; }
  .proposal-side { position: static; }
  .filter-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .site-container { width: min(calc(100% - 20px), var(--container)); }
  .site-main { padding-top: 28px; }
  .hero { padding: 42px 0; }
  .filter-row { grid-template-columns: 1fr; }
  .detail-table th, .detail-table td { display: block; width: 100%; }
  .detail-table th { border-bottom: 0; }
  .proposal-card { padding: 18px; }
}