/* ORVINCIA guide 共通スタイル — 本体サイトのデザイントークンに準拠 */
:root {
  color-scheme: light;
  font-family: "Noto Sans JP", sans-serif;
  --white: #ffffff;
  --navy: #023a91;
  --navy-d: #012a6b;
  --gold: #cb9a08;
  --gold-dark: #a67f06;
  --gold-light: #e7cd88;
  --ink: #33383f;
  --ink-soft: #6b7280;
  --iv1: #fcfaf2;
  --iv2: #faf5e6;
  --iv3: #fdfaf2;
  --line: rgba(2, 58, 145, 0.12);
  --gold-line: rgba(203, 154, 8, 0.4);
  --gold-line-soft: rgba(203, 154, 8, 0.28);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--white);
  color: var(--ink);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
}

body {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.9;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.page-width { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.article-width { width: min(760px, calc(100% - 32px)); margin: 0 auto; }

/* ===== header ===== */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(180%) blur(8px);
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 18px 0;
}

.logo {
  font-family: "Noto Serif JP", serif;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--navy);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.nav-links a:hover { color: var(--gold); }

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 2em;
  background: var(--gold);
  color: var(--white);
  padding: 11px 26px;
  font-family: "Noto Serif JP", serif;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.06em;
}

/* ===== page head ===== */
.guide-hero {
  background: linear-gradient(155deg, #012a6b 0%, #023a91 55%, #01204f 100%);
  color: #fff;
  padding: 64px 0 68px;
  text-align: center;
}

.guide-hero .kicker {
  display: inline-block;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--gold-light);
  border-bottom: 1px solid rgba(203, 154, 8, 0.45);
  padding-bottom: 8px;
  margin-bottom: 22px;
}

.guide-hero h1 {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  font-size: clamp(1.7rem, 4.6vw, 2.6rem);
  line-height: 1.5;
  letter-spacing: 0.03em;
}

.guide-hero .sub {
  margin: 18px auto 0;
  max-width: 640px;
  color: #cdd7ea;
  font-size: 0.95rem;
  line-height: 2;
  font-weight: 400;
}

/* ===== article list ===== */
.guide-list { padding: 72px 0 88px; background: var(--iv1); }

.guide-grid { display: grid; gap: 22px; max-width: 920px; margin: 0 auto; }

.guide-card {
  display: block;
  background: var(--white);
  border: 1px solid var(--gold-line-soft);
  padding: 30px 32px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.guide-card:hover {
  box-shadow: 0 14px 34px rgba(2, 58, 145, 0.08);
  transform: translateY(-2px);
}

.guide-card .meta {
  display: flex;
  gap: 14px;
  align-items: center;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 10px;
}

.guide-card .tag { color: var(--gold); font-weight: 500; }

.guide-card h2 {
  margin: 0 0 10px;
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  font-size: 1.18rem;
  line-height: 1.6;
  color: var(--navy);
}

.guide-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.9;
}

.guide-empty {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ===== article body ===== */
.article-head { padding: 56px 0 8px; }

.breadcrumb {
  font-size: 0.78rem;
  color: var(--ink-soft);
  letter-spacing: 0.04em;
  margin-bottom: 26px;
}

.breadcrumb a { color: var(--ink-soft); }
.breadcrumb a:hover { color: var(--gold); }

.article-head .meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.article-head .tag { color: var(--gold); font-weight: 500; }

.article-head h1 {
  margin: 0 0 18px;
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  font-size: clamp(1.55rem, 4.4vw, 2.2rem);
  line-height: 1.55;
  color: var(--navy);
}

.article-head .lead {
  color: var(--ink-soft);
  font-size: 0.97rem;
  line-height: 2;
  border-left: 3px solid var(--gold);
  padding-left: 18px;
}

.article-body { padding: 30px 0 56px; }

.article-body h2 {
  margin: 56px 0 22px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--gold-line);
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  font-size: 1.42rem;
  line-height: 1.6;
  color: var(--navy);
}

.article-body h3 {
  margin: 40px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--gold);
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  font-size: 1.14rem;
  line-height: 1.6;
  color: var(--navy);
}

.article-body p { margin: 0 0 22px; font-size: 0.97rem; line-height: 2.05; }

.article-body ul, .article-body ol { margin: 0 0 22px; padding-left: 1.5rem; }
.article-body li { margin-bottom: 8px; font-size: 0.95rem; line-height: 1.95; }

.article-body table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border: 1px solid var(--gold-line-soft);
  margin: 0 0 26px;
  font-size: 0.9rem;
}

.article-body th, .article-body td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  line-height: 1.8;
}

.article-body th {
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  color: var(--navy);
  background: var(--iv3);
  white-space: nowrap;
}

.article-body tr:last-child th, .article-body tr:last-child td { border-bottom: none; }

/* 現場からのメモ(一次情報ブロック) */
.field-note {
  margin: 30px 0;
  padding: 26px 28px;
  background: var(--iv2);
  border: 1px solid var(--gold-line);
  border-left: 4px solid var(--gold);
}

.field-note .fn-label {
  display: block;
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  color: var(--gold-dark);
  margin-bottom: 10px;
}

.field-note p { margin: 0; font-size: 0.93rem; line-height: 2; }
.field-note p + p { margin-top: 12px; }

/* ポイント囲み */
.point-box {
  margin: 30px 0;
  padding: 24px 28px;
  background: var(--white);
  border: 1px solid var(--line);
}

.point-box .pb-label {
  display: block;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.1em;
  color: var(--navy);
  margin-bottom: 10px;
}

.point-box ul { margin: 0; }

/* ===== CTA ===== */
.article-cta {
  margin: 44px 0;
  padding: 36px 34px;
  background: linear-gradient(155deg, #012a6b 0%, #023a91 70%);
  color: #fff;
  text-align: center;
}

.article-cta .t {
  margin: 0 0 10px;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 1.2rem;
  line-height: 1.7;
}

.article-cta .d {
  margin: 0 0 22px;
  color: #c8d3ea;
  font-size: 0.88rem;
  line-height: 1.9;
}

.btn-gold {
  display: inline-block;
  background: var(--gold);
  color: var(--white);
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 0.98rem;
  letter-spacing: 0.06em;
  padding: 14px 38px;
  border-radius: 2em;
  border: 1px solid var(--gold);
  cursor: pointer;
  transition: background 0.2s ease;
}

.btn-gold:hover { background: var(--gold-dark); border-color: var(--gold-dark); }

.btn-ghost {
  display: inline-block;
  background: transparent;
  color: #fff;
  font-family: "Noto Serif JP", serif;
  font-weight: 500;
  font-size: 0.98rem;
  letter-spacing: 0.06em;
  padding: 14px 38px;
  border-radius: 2em;
  border: 1px solid rgba(231, 205, 136, 0.5);
}

.cta-buttons { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }

/* ===== author ===== */
.author-box {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin: 44px 0 0;
  padding: 28px 30px;
  background: var(--iv1);
  border: 1px solid var(--gold-line-soft);
}

.author-box .ab-body { flex: 1; }

.author-box .ab-label {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin: 0 0 6px;
}

.author-box .ab-name {
  margin: 0 0 10px;
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--navy);
}

.author-box p { margin: 0; font-size: 0.87rem; line-height: 1.95; color: var(--ink-soft); }
.author-box .ab-link { display: inline-block; margin-top: 10px; font-size: 0.85rem; color: var(--gold-dark); text-decoration: underline; }

/* ===== related ===== */
.related { padding: 56px 0 80px; background: var(--iv1); }

.related .r-title {
  margin: 0 0 26px;
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--navy);
  text-align: center;
}

/* ===== footer ===== */
.footer {
  padding: 34px 0;
  background: var(--navy-d);
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
}

.footer a { color: rgba(255, 255, 255, 0.88); text-decoration: underline; }
.footer a:hover { color: var(--gold-light); }

@media (max-width: 720px) {
  .nav-links { display: none; }
  .guide-hero { padding: 48px 0 52px; }
  .guide-card { padding: 24px 22px; }
  .article-cta { padding: 30px 22px; }
  .author-box { flex-direction: column; }
  .article-body th { white-space: normal; }
}