/* ===== VARIABLES ===== */
:root {
  --ink: #1c1916;
  --muted: #5a5650;
  --light: #9a938c;
  --cream: #f4f0e8;
  --warm: #eae4d8;
  --white: #faf8f4;
  --accent: #7a6a52;
  --gold: #b89a5a;
  --gold-light: #d4b878;
  --border: #d8cfc2;
  --sidebar-w: 230px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 15px; scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.8;
  display: flex;
  min-height: 100vh;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--ink);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-logo {
  padding: 32px 24px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
}

.sidebar-logo .jp {
  font-family: 'Noto Serif JP', serif;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.9);
  display: block;
  line-height: 1.5;
}

.sidebar-logo .en {
  font-family: 'Cormorant Garamond', serif;
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-top: 4px;
  display: block;
}

.sidebar-nav { padding: 20px 0; flex: 1; }

.nav-group-label {
  font-size: 9px;
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.22);
  padding: 14px 24px 6px;
  text-transform: uppercase;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 24px;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: all 0.18s;
  user-select: none;
}

.nav-link:hover { color: rgba(255,255,255,0.88); background: rgba(255,255,255,0.04); }
.nav-link.active { color: rgba(255,255,255,0.95); border-left-color: var(--gold); background: rgba(255,255,255,0.04); }

.nav-sub .nav-link {
  padding: 7px 24px 7px 36px;
  font-size: 12px;
  color: rgba(255,255,255,0.35);
}
.nav-sub .nav-link:hover, .nav-sub .nav-link.active {
  color: rgba(255,255,255,0.75);
  border-left-color: var(--gold);
}

.sidebar-contact {
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.07);
}

.sidebar-contact .s-tel {
  font-family: 'Cormorant Garamond', serif;
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 8px;
  text-decoration: none;
}

.sidebar-contact .s-addr {
  font-size: 10px;
  color: rgba(255,255,255,0.22);
  line-height: 1.75;
}

/* ===== MAIN ===== */
.main {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
}

/* ===== PAGE SYSTEM ===== */
.page { display: none; }
.page.active { display: block; }

/* ===== PAGE HEADER ===== */
.page-header {
  padding: 52px 60px 40px;
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--light);
  margin-bottom: 18px;
  cursor: pointer;
}

.breadcrumb span { color: var(--gold); cursor: pointer; }
.breadcrumb span:hover { text-decoration: underline; }

.page-type {
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--gold);
  margin-bottom: 8px;
}

.page-header h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: 34px;
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: 1.35;
}

.page-header .page-desc {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
  max-width: 540px;
  line-height: 2.0;
}

/* ===== SECTIONS ===== */
.section {
  padding: 60px;
  border-bottom: 1px solid var(--border);
}

.section:last-of-type { border-bottom: none; }

.section-label {
  font-family: 'Cormorant Garamond', serif;
  font-size: 10px;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 21px;
  font-weight: 400;
  letter-spacing: 0.06em;
  margin-bottom: 32px;
  color: var(--ink);
}

/* ===== TABLE ===== */
.info-table { width: 100%; border-collapse: collapse; }
.info-table tr { border-bottom: 1px solid var(--border); }
.info-table tr:first-child { border-top: 1px solid var(--border); }
.info-table td { padding: 15px 0; font-size: 13.5px; line-height: 1.9; vertical-align: top; }
.info-table td.label {
  width: 130px;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--light);
  padding-right: 20px;
  padding-top: 17px;
}

/* ===== FEATURE BOX ===== */
.feature-box {
  background: var(--cream);
  padding: 32px 36px;
  border-left: 3px solid var(--gold);
}
.feature-box p { font-size: 13.5px; line-height: 2.1; color: var(--muted); }
.feature-box p + p { margin-top: 14px; }

/* ===== CARDS ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
}

.card {
  background: var(--white);
  padding: 36px;
  border-top: 3px solid transparent;
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
}

.card:hover { background: var(--cream); border-top-color: var(--gold); }

.card-type { font-size: 10px; letter-spacing: 0.18em; color: var(--gold); margin-bottom: 8px; }
.card-name { font-family: 'Noto Serif JP', serif; font-size: 21px; font-weight: 400; margin-bottom: 10px; }
.card-sub { font-size: 11px; color: var(--light); letter-spacing: 0.07em; margin-bottom: 14px; }
.card-desc { font-size: 13px; line-height: 1.9; color: var(--muted); margin-bottom: 18px; }
.card-meta { display: flex; gap: 18px; flex-wrap: wrap; border-top: 1px solid var(--border); padding-top: 14px; }
.meta-item { font-size: 10px; color: var(--light); }
.meta-item span { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ===== DARK SECTION ===== */
.section-dark { background: var(--ink); padding: 60px; }
.section-dark .section-label { color: var(--gold); }
.section-dark .section-title { color: rgba(255,255,255,0.92); margin-bottom: 32px; }

/* ===== PHILOSOPHY ===== */
.phil-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: rgba(255,255,255,0.1); }
.phil-item { background: var(--ink); padding: 40px 32px; }
.phil-num { font-family: 'Cormorant Garamond', serif; font-size: 52px; font-weight: 300; color: rgba(196,169,106,0.22); line-height: 1; margin-bottom: 18px; }
.phil-text { font-family: 'Noto Serif JP', serif; font-size: 14px; font-weight: 300; line-height: 2.1; color: rgba(255,255,255,0.88); }

/* ===== DIAGRAM ===== */
.diagram-wrap {
  background: var(--cream);
  border: 1px solid var(--border);
  padding: 40px;
}

/* ===== TIMELINE ===== */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 1px; background: var(--border); }
.tl-item { position: relative; padding: 0 0 32px 32px; }
.tl-item::before { content: ''; position: absolute; left: -4px; top: 6px; width: 9px; height: 9px; border-radius: 50%; background: var(--gold); border: 2px solid var(--white); }
.tl-item:last-child { padding-bottom: 0; }
.tl-date { font-family: 'Cormorant Garamond', serif; font-size: 13px; letter-spacing: 0.08em; color: var(--gold); margin-bottom: 4px; }
.tl-content { font-size: 13.5px; color: var(--muted); line-height: 1.85; }
.tl-future .tl-item::before { background: var(--cream); border-color: var(--gold); }
.tl-future .tl-content { color: var(--light); font-style: italic; }

/* ===== CONTACT FOOTER ===== */
.contact-footer {
  background: var(--ink);
  padding: 52px 60px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.contact-footer h3 { font-family: 'Noto Serif JP', serif; font-size: 19px; font-weight: 400; color: var(--white); margin-bottom: 8px; }
.contact-footer p { font-size: 12px; color: rgba(255,255,255,0.4); }
.cf-actions { display: flex; flex-direction: column; gap: 12px; }
.cf-tel { display: flex; align-items: center; gap: 10px; font-family: 'Cormorant Garamond', serif; font-size: 26px; color: var(--white); text-decoration: none; letter-spacing: 0.04em; }
.cf-tel .icon { color: var(--gold); font-size: 16px; }
.cf-mail {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid rgba(255,255,255,0.2);
  padding: 9px 20px; font-size: 12px; letter-spacing: 0.06em;
  color: var(--white); cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  width: fit-content;
}
.cf-mail:hover { border-color: var(--gold); background: rgba(255,255,255,0.04); }
.cf-addr { font-size: 10px; color: rgba(255,255,255,0.22); line-height: 1.8; margin-top: 4px; }

/* ===== SITE FOOTER ===== */
.site-footer { background: #131210; padding: 26px 60px; display: flex; align-items: center; justify-content: space-between; }
.footer-logo { font-family: 'Noto Serif JP', serif; font-size: 14px; color: rgba(255,255,255,0.45); letter-spacing: 0.1em; }
.footer-copy { font-size: 10px; color: rgba(255,255,255,0.18); }

/* ===== NEWS ===== */
.news-list { border-top: 1px solid var(--border); }
.news-item { display: grid; grid-template-columns: 110px 1fr; gap: 22px; padding: 16px 0; border-bottom: 1px solid var(--border); align-items: baseline; }
.news-date { font-family: 'Cormorant Garamond', serif; font-size: 12.5px; color: var(--light); letter-spacing: 0.06em; }
.news-text { font-size: 13px; color: var(--muted); }
.news-cat { display: inline-block; font-size: 9px; letter-spacing: 0.12em; padding: 2px 7px; background: var(--cream); color: var(--accent); border: 1px solid var(--border); margin-right: 7px; }
.more-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; letter-spacing: 0.08em; color: var(--accent); margin-top: 18px; border-bottom: 1px solid var(--gold); padding-bottom: 3px; cursor: pointer; }

/* ===== FORM ===== */
.form-wrap { background: var(--cream); padding: 36px; }
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 11px; letter-spacing: 0.06em; color: var(--light); margin-bottom: 7px; }
.form-input { width: 100%; border: 1px solid var(--border); background: var(--white); padding: 10px 13px; font-size: 13.5px; font-family: 'Noto Sans JP', sans-serif; outline: none; transition: border-color 0.2s; }
.form-input:focus { border-color: var(--gold); }
textarea.form-input { height: 130px; resize: vertical; }
.form-btn { width: 100%; background: var(--ink); color: var(--white); border: none; padding: 14px; font-size: 13px; letter-spacing: 0.1em; cursor: pointer; font-family: 'Noto Sans JP', sans-serif; transition: background 0.2s; }
.form-btn:hover { background: var(--accent); }

/* ===== BADGE ===== */
.badge { display: inline-block; background: var(--gold); color: white; padding: 3px 12px; font-size: 9px; letter-spacing: 0.14em; margin-left: 10px; vertical-align: middle; }

/* ===== TWO COL ===== */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: start; }

/* ===== MESSAGE ===== */
.message-visual { background: var(--warm); min-height: 340px; display: flex; align-items: flex-end; padding: 26px; position: relative; overflow: hidden; }
.message-visual::before { content: '宗德'; font-family: 'Noto Serif JP', serif; font-size: 130px; font-weight: 700; color: rgba(0,0,0,0.04); position: absolute; top: -10px; right: -10px; line-height: 1; }
.message-visual .caption { font-size: 11px; color: var(--light); letter-spacing: 0.1em; position: relative; }
.body-text { font-size: 13.5px; line-height: 2.2; color: var(--muted); }
.body-text + .body-text { margin-top: 18px; }
.signature { margin-top: 24px; font-size: 12.5px; color: var(--light); letter-spacing: 0.06em; }

/* ===== VALUES ===== */
.values-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2px; background: var(--border); }
.value-item { background: var(--white); padding: 32px 24px; text-align: center; }
.value-icon { font-size: 30px; margin-bottom: 14px; }
.value-title { font-family: 'Noto Serif JP', serif; font-size: 14px; margin-bottom: 9px; }
.value-desc { font-size: 11.5px; color: var(--light); line-height: 1.8; }

/* ===== POSITION DIAGRAM ===== */
.pos-flow { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pos-node { border: 1px solid var(--border); padding: 12px 16px; text-align: center; min-width: 108px; background: var(--white); }
.pos-node.current { background: var(--ink); color: white; border-color: var(--ink); }
.pos-node .pn-time { font-size: 9px; letter-spacing: 0.18em; margin-bottom: 5px; }
.pos-node .pn-name { font-family: 'Noto Serif JP', serif; font-size: 14px; }
.pos-node .pn-note { font-size: 9px; margin-top: 4px; opacity: 0.5; }
.pos-arrow { font-size: 20px; color: var(--gold); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  background: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 60px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.hero::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40%;
  height: 100%;
  background: linear-gradient(150deg, var(--warm) 0%, var(--cream) 100%);
  clip-path: polygon(18% 0%, 100% 0%, 100% 100%, 0% 100%);
}
.hero-inner { position: relative; z-index: 1; max-width: 600px; }
.hero-en { font-family: 'Cormorant Garamond', serif; font-size: 10px; letter-spacing: 0.35em; color: var(--gold); text-transform: uppercase; margin-bottom: 26px; animation: fadeUp 0.7s ease both; }
.hero h1 { font-family: 'Noto Serif JP', serif; font-size: clamp(26px, 3.8vw, 48px); font-weight: 300; line-height: 1.65; margin-bottom: 28px; animation: fadeUp 0.7s 0.1s ease both; }
.hero-body { font-size: 13.5px; line-height: 2.1; color: var(--muted); margin-bottom: 36px; animation: fadeUp 0.7s 0.2s ease both; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 7px; animation: fadeUp 0.7s 0.3s ease both; }
.hero-tag { border: 1px solid var(--border); padding: 5px 13px; font-size: 11px; color: var(--muted); background: rgba(255,255,255,0.7); }
.hero-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--ink); color: var(--white); text-decoration: none; padding: 13px 26px; font-size: 12.5px; letter-spacing: 0.08em; margin-top: 30px; cursor: pointer; transition: background 0.2s; border: none; font-family: 'Noto Sans JP', sans-serif; animation: fadeUp 0.7s 0.35s ease both; }
.hero-btn:hover { background: var(--accent); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

/* ===== TEL BLOCK ===== */
.tel-block { margin-bottom: 32px; }
.tel-block .fac-label { font-size: 11px; letter-spacing: 0.07em; color: var(--light); margin-bottom: 5px; }
.tel-block .tel-num { font-family: 'Cormorant Garamond', serif; font-size: 32px; letter-spacing: 0.04em; color: var(--ink); }
.tel-block .tel-sub { font-size: 11px; color: var(--light); margin-top: 6px; line-height: 1.7; }

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sidebar { transform: translateX(-230px); transition: transform 0.3s; width: 230px; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; }
  .mobile-menu-btn {
    display: flex;
    position: fixed;
    top: 16px; left: 16px;
    z-index: 200;
    background: var(--ink);
    color: white;
    border: none;
    width: 42px; height: 42px;
    align-items: center; justify-content: center;
    font-size: 18px;
    cursor: pointer;
  }
  .overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 90;
  }
  .overlay.active { display: block; }
  .hero { padding: 80px 24px 60px; }
  .section { padding: 40px 24px; }
  .page-header { padding: 52px 24px 32px; }
  .two-col { grid-template-columns: 1fr; gap: 32px; }
  .card-grid { grid-template-columns: 1fr; }
  .phil-grid { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .contact-footer { grid-template-columns: 1fr; padding: 40px 24px; }
  .site-footer { padding: 20px 24px; }
  .section-dark { padding: 40px 24px; }
  .diagram-wrap { padding: 20px; }
}
@media (min-width: 769px) {
  .mobile-menu-btn { display: none; }
  .overlay { display: none !important; }
}

/* ===== KARUIZAWA SPECIAL PAGE ===== */
.kz-hero { background: linear-gradient(135deg, #1a2a1a 0%, #2d3a2a 40%, #1c2916 100%); padding: 80px 40px; text-align: center; position: relative; overflow: hidden; }
.kz-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 20%, rgba(184,154,90,0.08) 0%, transparent 60%); }
.kz-hero .kz-badge { display: inline-block; background: var(--gold); color: #1c1916; font-size: 11px; font-weight: 500; letter-spacing: 0.15em; padding: 6px 20px; margin-bottom: 20px; }
.kz-hero .kz-en { font-family: 'Cormorant Garamond', serif; font-size: 14px; letter-spacing: 0.35em; color: rgba(184,154,90,0.6); margin-bottom: 12px; font-style: italic; }
.kz-hero h1 { font-family: 'Noto Serif JP', serif; font-size: 32px; color: #f4f0e8; font-weight: 400; line-height: 1.6; margin-bottom: 16px; letter-spacing: 0.08em; }
.kz-hero .kz-sub { font-size: 15px; color: rgba(244,240,232,0.6); line-height: 2; max-width: 640px; margin: 0 auto 30px; }
.kz-hero .kz-date { font-size: 12px; color: var(--gold); letter-spacing: 0.2em; }

.kz-stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--border); }
.kz-stat { background: var(--white); padding: 30px 20px; text-align: center; }
.kz-stat .num { font-family: 'Cormorant Garamond', serif; font-size: 36px; color: var(--gold); line-height: 1; }
.kz-stat .unit { font-size: 14px; color: var(--gold); }
.kz-stat .label { font-size: 11px; color: var(--light); margin-top: 8px; letter-spacing: 0.1em; }

.kz-price-card { background: linear-gradient(135deg, #1c1916, #2a2520); padding: 48px 40px; text-align: center; color: var(--cream); }
.kz-price-card .price-main { font-family: 'Cormorant Garamond', serif; font-size: 52px; color: var(--gold-light); line-height: 1.2; margin: 16px 0 8px; }
.kz-price-card .price-sub { font-size: 13px; color: rgba(244,240,232,0.5); margin-bottom: 24px; }

.kz-service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2px; background: var(--border); }
.kz-service { background: var(--white); padding: 28px 24px; }
.kz-service .sv-icon { font-size: 24px; margin-bottom: 10px; }
.kz-service .sv-name { font-family: 'Noto Serif JP', serif; font-size: 15px; margin-bottom: 4px; }
.kz-service .sv-price { font-size: 12px; color: var(--gold); margin-bottom: 8px; }
.kz-service .sv-desc { font-size: 12px; color: var(--muted); line-height: 1.8; }

.kz-timeline { display: flex; gap: 0; }
.kz-phase { flex: 1; padding: 24px 18px; border-right: 1px solid var(--border); position: relative; }
.kz-phase:last-child { border-right: none; }
.kz-phase .ph-year { font-size: 10px; letter-spacing: 0.15em; color: var(--gold); margin-bottom: 8px; }
.kz-phase .ph-name { font-family: 'Noto Serif JP', serif; font-size: 14px; margin-bottom: 6px; }
.kz-phase .ph-desc { font-size: 11px; color: var(--muted); line-height: 1.7; }

.kz-cta { background: var(--gold); padding: 40px; text-align: center; }
.kz-cta h3 { font-family: 'Noto Serif JP', serif; font-size: 20px; color: #1c1916; margin-bottom: 12px; }
.kz-cta p { font-size: 13px; color: rgba(28,25,22,0.7); margin-bottom: 20px; }
.kz-cta-btn { display: inline-block; background: #1c1916; color: var(--gold-light); padding: 14px 40px; font-size: 14px; letter-spacing: 0.1em; cursor: pointer; transition: opacity 0.3s; }
.kz-cta-btn:hover { opacity: 0.85; }

.kz-life-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px; background: var(--border); }
.kz-life { background: var(--cream); padding: 24px 18px; text-align: center; }
.kz-life .lf-time { font-size: 10px; letter-spacing: 0.15em; color: var(--gold); margin-bottom: 6px; }
.kz-life .lf-icon { font-size: 28px; margin-bottom: 8px; }
.kz-life .lf-name { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.kz-life .lf-desc { font-size: 11px; color: var(--muted); line-height: 1.7; }

.kz-compare { width: 100%; border-collapse: collapse; }
.kz-compare th { background: var(--ink); color: var(--cream); padding: 14px 18px; font-size: 12px; font-weight: 400; letter-spacing: 0.1em; text-align: left; }
.kz-compare th:first-child { width: 30%; }
.kz-compare td { padding: 14px 18px; font-size: 12px; line-height: 1.7; border-bottom: 1px solid var(--border); }
.kz-compare tr td:last-child { color: var(--gold); font-weight: 500; }

@media (max-width: 768px) {
  .kz-hero { padding: 50px 24px; }
  .kz-hero h1 { font-size: 22px; }
  .kz-stat-row { grid-template-columns: repeat(2, 1fr); }
  .kz-service-grid { grid-template-columns: 1fr; }
  .kz-life-grid { grid-template-columns: repeat(2, 1fr); }
  .kz-timeline { flex-direction: column; }
  .kz-phase { border-right: none; border-bottom: 1px solid var(--border); }
  .kz-price-card .price-main { font-size: 38px; }
}

/* ===== BLOG ARTICLE EXTRA ===== */
.blog-article { max-width: 880px; }
.blog-article h2.section-title { margin-top: 36px; margin-bottom: 18px; }
.blog-article h2.section-title:first-child { margin-top: 0; }
.blog-article p.body-text + h2.section-title { margin-top: 40px; }
.related-articles { display:grid; grid-template-columns: repeat(3,1fr); gap: 2px; background: var(--border); margin-top: 28px; }
.related-articles a { background: var(--white); padding: 18px 20px; text-decoration: none; color: var(--ink); transition: background 0.2s; }
.related-articles a:hover { background: var(--cream); }
.related-articles .ra-date { font-size: 10px; color: var(--gold); letter-spacing: 0.12em; margin-bottom: 6px; }
.related-articles .ra-title { font-family: 'Noto Serif JP', serif; font-size: 14px; line-height: 1.6; color: var(--ink); }
.author-box { margin-top: 36px; padding: 24px 28px; background: var(--cream); border-left: 3px solid var(--gold); }
.author-box .label { font-size: 10px; letter-spacing: 0.18em; color: var(--gold); margin-bottom: 8px; }
.author-box .name { font-family: 'Noto Serif JP', serif; font-size: 15px; margin-bottom: 8px; }
.author-box .bio { font-size: 12.5px; line-height: 1.9; color: var(--muted); }
.author-box .bio a { color: var(--accent); text-decoration: underline; }
.references { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.references .label { font-size: 11px; letter-spacing: 0.18em; color: var(--light); margin-bottom: 12px; }
.references ol { padding-left: 1.4em; font-size: 12px; line-height: 1.9; color: var(--muted); }
.references ol li a { color: var(--accent); }
.share-row { margin-top: 24px; display: flex; gap: 8px; align-items: center; font-size: 11px; color: var(--light); }
.share-row a { color: var(--accent); padding: 4px 10px; border: 1px solid var(--border); text-decoration: none; }
.share-row a:hover { background: var(--cream); }
@media (max-width: 768px) {
  .related-articles { grid-template-columns: 1fr; }
}