/* =========================================
   武蔵浦和耳鼻咽喉科 - 共通スタイル
   シマエナガデザインシステム
   ========================================= */

:root {
  --c-snow: #FBFAF6;
  --c-snow-warm: #F5F0E8;
  --c-sky: #EAF2F5;
  --c-sky-mid: #C7DAE1;
  --c-sky-deep: #7B99A5;
  --c-cheek: #F4DDD9;
  --c-cheek-deep: #D9A69A;
  --c-charcoal: #2E2E2E;
  --c-brown: #6B5544;
  --c-beak: #D4A54A;
  --c-forest: #7B8A75;
  --c-text: #3A3838;
  --c-text-soft: #6E6866;
  --c-text-muted: #9C9694;
  --c-line: #E8E2D9;

  --f-serif: "Noto Serif JP", "Yu Mincho", serif;
  --f-sans: "Noto Sans JP", "Hiragino Sans", sans-serif;
  --f-hand: "Klee One", "Noto Serif JP", cursive;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--f-sans);
  color: var(--c-text);
  background: var(--c-snow);
  line-height: 1.9;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: all 0.3s ease; }

/* Template Label (Development用) */
.tpl-label {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 999;
  background: var(--c-charcoal);
  color: var(--c-snow);
  padding: 10px 18px;
  font-size: 11px;
  font-family: var(--f-hand);
  letter-spacing: 0.05em;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.tpl-label span { color: var(--c-beak); }

/* =========================================
   Header
   ========================================= */
.header {
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
  background: rgba(251, 250, 246, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo { display: flex; align-items: center; gap: 14px; }
.logo-mark { width: 52px; height: 52px; }
.logo-text { display: flex; flex-direction: column; line-height: 1.3; }
.logo-ja {
  font-family: var(--f-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-charcoal);
  letter-spacing: 0.05em;
}
.logo-en {
  font-family: var(--f-hand);
  font-size: 10px;
  color: var(--c-sky-deep);
  letter-spacing: 0.2em;
}
.nav { display: flex; align-items: center; gap: 32px; }
.nav ul { list-style: none; display: flex; gap: 28px; }
.nav ul a {
  font-family: var(--f-serif);
  font-size: 14px;
  color: var(--c-text);
  font-weight: 500;
  padding: 4px 0;
  position: relative;
}
.nav ul a::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -2px;
  width: 0; height: 1px;
  background: var(--c-cheek-deep);
  transition: all 0.3s;
}
.nav ul a:hover::after { width: 100%; left: 0; }
.nav ul a:hover, .nav ul a.active { color: var(--c-cheek-deep); }
.nav ul a.active::after { width: 100%; left: 0; }

.btn-reserve-header {
  background: var(--c-charcoal);
  color: var(--c-snow);
  padding: 12px 24px;
  font-size: 13px;
  font-family: var(--f-serif);
  border-radius: 30px;
  letter-spacing: 0.05em;
}
.btn-reserve-header:hover { background: var(--c-brown); transform: translateY(-2px); }

/* =========================================
   Page Hero (下層共通)
   ========================================= */
.page-hero {
  background: linear-gradient(180deg, var(--c-snow) 0%, var(--c-sky) 100%);
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  top: 50px; right: -80px;
  width: 300px; height: 300px;
  background: var(--c-snow);
  border-radius: 50%;
  opacity: 0.4;
}
.page-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
  position: relative;
  z-index: 2;
}

/* パンくず */
.breadcrumb {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--c-text-muted);
  margin-bottom: 40px;
  font-family: var(--f-hand);
  letter-spacing: 0.05em;
}
.breadcrumb a { color: var(--c-text-muted); }
.breadcrumb a:hover { color: var(--c-cheek-deep); }
.breadcrumb .sep { color: var(--c-cheek-deep); }
.breadcrumb .current { color: var(--c-charcoal); }

.page-hero-en {
  font-family: var(--f-hand);
  font-size: 14px;
  color: var(--c-cheek-deep);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.page-hero-en::before {
  content: "";
  width: 30px; height: 1px;
  background: var(--c-cheek-deep);
}
.page-hero h1 {
  font-family: var(--f-serif);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  color: var(--c-charcoal);
  line-height: 1.5;
  letter-spacing: 0.03em;
  margin-bottom: 24px;
}
.page-hero h1 .highlight {
  background: linear-gradient(transparent 60%, var(--c-cheek) 60%);
  padding: 0 4px;
}
.page-hero-lead {
  font-size: 15px;
  color: var(--c-text-soft);
  line-height: 2.1;
  max-width: 720px;
  font-family: var(--f-serif);
}

/* =========================================
   Main Content
   ========================================= */
main { padding: 80px 0; }
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px;
}
.container-narrow {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 30px;
}

/* セクション見出し */
.sec-heading {
  margin-bottom: 40px;
  position: relative;
}
.sec-heading-en {
  font-family: var(--f-hand);
  font-size: 13px;
  color: var(--c-cheek-deep);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 8px;
}
.sec-heading-en::before {
  content: "◇ ";
  color: var(--c-beak);
}
.sec-heading h2 {
  font-family: var(--f-serif);
  font-size: clamp(22px, 2.8vw, 30px);
  font-weight: 500;
  color: var(--c-charcoal);
  letter-spacing: 0.03em;
  line-height: 1.6;
}

/* テキストブロック */
.text-block {
  margin-bottom: 60px;
}
.text-block p {
  font-size: 15px;
  color: var(--c-text-soft);
  line-height: 2.1;
  margin-bottom: 18px;
}
.text-block p:last-child { margin-bottom: 0; }
.text-block h3 {
  font-family: var(--f-serif);
  font-size: 20px;
  color: var(--c-charcoal);
  margin-top: 40px;
  margin-bottom: 20px;
  padding-left: 16px;
  border-left: 4px solid var(--c-cheek-deep);
  line-height: 1.6;
  font-weight: 600;
}
.text-block h4 {
  font-family: var(--f-serif);
  font-size: 17px;
  color: var(--c-charcoal);
  margin-top: 30px;
  margin-bottom: 14px;
  font-weight: 600;
}
.text-block ul, .text-block ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
.text-block ul li, .text-block ol li {
  margin-bottom: 8px;
  color: var(--c-text-soft);
  font-size: 14px;
  line-height: 2;
}

/* コンテンツプレースホルダー（枠だけ表示） */
.placeholder {
  background: repeating-linear-gradient(
    -45deg,
    var(--c-snow-warm),
    var(--c-snow-warm) 10px,
    #F5EAE0 10px,
    #F5EAE0 20px
  );
  border: 1px dashed var(--c-cheek-deep);
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
  color: var(--c-brown);
  font-family: var(--f-hand);
  margin-bottom: 30px;
}
.placeholder-tag {
  display: inline-block;
  background: var(--c-cheek-deep);
  color: var(--c-snow);
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  letter-spacing: 0.1em;
  font-family: var(--f-sans);
}
.placeholder-note {
  font-size: 13px;
  color: var(--c-brown);
  line-height: 1.8;
}

/* =========================================
   Cards & Grid
   ========================================= */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}
.card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--c-snow);
  border: 1px solid var(--c-line);
  border-radius: 20px;
  padding: 32px 28px;
  transition: all 0.3s;
}
.card:hover {
  border-color: var(--c-cheek-deep);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(46, 46, 46, 0.06);
}
.card-num {
  font-family: var(--f-hand);
  font-size: 12px;
  color: var(--c-cheek-deep);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.card-icon {
  width: 56px;
  height: 56px;
  background: var(--c-sky);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--c-charcoal);
}
.card h3 {
  font-family: var(--f-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--c-charcoal);
  margin-bottom: 6px;
  letter-spacing: 0.03em;
}
.card-sub {
  font-family: var(--f-hand);
  font-size: 11px;
  color: var(--c-sky-deep);
  letter-spacing: 0.15em;
  margin-bottom: 14px;
}
.card p {
  font-size: 13px;
  color: var(--c-text-soft);
  line-height: 1.9;
  margin-bottom: 20px;
}
.card-more {
  font-family: var(--f-serif);
  font-size: 13px;
  color: var(--c-charcoal);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.card-more:hover { color: var(--c-cheek-deep); gap: 12px; }

/* =========================================
   Info Table (共通 - 診療時間・所在地など)
   ========================================= */
.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 40px;
}
.info-table th, .info-table td {
  padding: 20px 12px;
  border-bottom: 1px dashed var(--c-line);
  font-size: 14px;
  text-align: left;
}
.info-table th {
  width: 180px;
  color: var(--c-brown);
  font-family: var(--f-hand);
  font-weight: 400;
  vertical-align: top;
}
.info-table td {
  color: var(--c-text);
  line-height: 1.9;
}

/* =========================================
   FAQ (schema.org対応前提)
   ========================================= */
.faq-list { margin-bottom: 60px; }
.faq-item {
  background: var(--c-snow-warm);
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
}
.faq-question {
  padding: 24px 30px;
  font-family: var(--f-serif);
  font-size: 16px;
  color: var(--c-charcoal);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: background 0.3s;
}
.faq-question::before {
  content: "Q";
  width: 34px;
  height: 34px;
  background: var(--c-cheek-deep);
  color: var(--c-snow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-serif);
  font-size: 14px;
  flex-shrink: 0;
}
.faq-question:hover { background: rgba(255,255,255,0.5); }
.faq-answer {
  padding: 0 30px 24px 84px;
  font-size: 14px;
  color: var(--c-text-soft);
  line-height: 2;
  position: relative;
}
.faq-answer::before {
  content: "A";
  position: absolute;
  left: 30px; top: 0;
  width: 34px;
  height: 34px;
  background: var(--c-charcoal);
  color: var(--c-snow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-serif);
  font-size: 14px;
}

/* =========================================
   関連ページ
   ========================================= */
.related-section {
  background: var(--c-snow-warm);
  padding: 80px 0;
  margin-top: 80px;
}
.related-section .sec-heading { text-align: center; margin-bottom: 40px; }

/* =========================================
   CTA共通
   ========================================= */
.mini-cta {
  background: var(--c-charcoal);
  color: var(--c-snow);
  padding: 60px 30px;
  border-radius: 30px;
  text-align: center;
  margin: 60px 0;
  position: relative;
  overflow: hidden;
}
.mini-cta h3 {
  font-family: var(--f-serif);
  font-size: 24px;
  color: var(--c-snow);
  margin-bottom: 16px;
  font-weight: 500;
}
.mini-cta p {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  line-height: 1.9;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.mini-cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-primary {
  background: var(--c-cheek);
  color: var(--c-charcoal);
  padding: 16px 32px;
  font-family: var(--f-serif);
  font-size: 14px;
  border-radius: 40px;
  font-weight: 500;
}
.btn-primary:hover { background: var(--c-snow); }
.btn-secondary {
  background: transparent;
  color: var(--c-snow);
  padding: 16px 32px;
  font-family: var(--f-serif);
  font-size: 14px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 40px;
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: var(--c-cheek); }

/* =========================================
   Footer
   ========================================= */
.footer {
  background: var(--c-charcoal);
  color: rgba(255,255,255,0.7);
  padding: 80px 0 0;
}
.footer-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 30px 60px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 60px;
}
.footer-brand-desc {
  margin-top: 24px;
  font-size: 12px;
  line-height: 2;
  color: rgba(255,255,255,0.6);
}
.footer-col h4 {
  font-family: var(--f-serif);
  font-size: 14px;
  color: var(--c-cheek);
  margin-bottom: 20px;
  font-weight: 500;
  letter-spacing: 0.1em;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-col ul { list-style: none; }
.footer-col ul li {
  padding: 6px 0;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}
.footer-col ul li a:hover { color: var(--c-cheek); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 24px;
  text-align: center;
  font-family: var(--f-hand);
  font-size: 11px;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.1em;
}

/* Floating CTA */
.floating-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.floating-cta a {
  width: 60px; height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(46, 46, 46, 0.25);
  color: var(--c-snow);
  font-family: var(--f-hand);
  font-size: 10px;
  text-align: center;
  flex-direction: column;
  gap: 2px;
}
.floating-cta a:hover { transform: translateY(-4px); }
.floating-cta .tel { background: var(--c-charcoal); }
.floating-cta .web { background: var(--c-cheek-deep); }

/* =========================================
   Article / Column
   ========================================= */
.article-body {
  font-size: 15px;
  line-height: 2.1;
  color: var(--c-text);
}
.article-body p { margin-bottom: 20px; }
.article-body h2 {
  font-family: var(--f-serif);
  font-size: 24px;
  color: var(--c-charcoal);
  margin-top: 60px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--c-cheek-deep);
  font-weight: 600;
}
.article-body h3 {
  font-family: var(--f-serif);
  font-size: 19px;
  color: var(--c-charcoal);
  margin-top: 40px;
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 4px solid var(--c-cheek-deep);
  font-weight: 600;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  margin-bottom: 40px;
}
.article-cat {
  background: var(--c-cheek);
  color: var(--c-brown);
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.1em;
  font-family: var(--f-serif);
}
.article-date {
  font-family: var(--f-hand);
  font-size: 13px;
  color: var(--c-sky-deep);
}
.article-supervisor {
  margin-left: auto;
  font-size: 12px;
  color: var(--c-text-muted);
  font-family: var(--f-serif);
}
.article-supervisor strong {
  color: var(--c-charcoal);
  font-weight: 600;
}

/* コラムのTOC (目次) */
.toc {
  background: var(--c-sky);
  padding: 30px;
  border-radius: 16px;
  margin-bottom: 40px;
}
.toc-title {
  font-family: var(--f-serif);
  font-size: 15px;
  color: var(--c-charcoal);
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.toc ol {
  list-style: none;
  padding-left: 0;
  counter-reset: toc-counter;
}
.toc ol li {
  counter-increment: toc-counter;
  padding: 8px 0;
  padding-left: 40px;
  position: relative;
  font-size: 14px;
  color: var(--c-text);
  line-height: 1.6;
}
.toc ol li::before {
  content: counter(toc-counter, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: var(--f-hand);
  color: var(--c-cheek-deep);
  font-size: 13px;
}
.toc ol li a:hover { color: var(--c-cheek-deep); }

/* =========================================
   Column List
   ========================================= */
.column-filter {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--c-line);
}
.column-filter a {
  padding: 8px 20px;
  background: var(--c-snow-warm);
  border: 1px solid var(--c-line);
  border-radius: 30px;
  font-family: var(--f-serif);
  font-size: 13px;
  color: var(--c-text);
}
.column-filter a:hover, .column-filter a.active {
  background: var(--c-charcoal);
  color: var(--c-snow);
  border-color: var(--c-charcoal);
}
.column-list {
  display: grid;
  gap: 30px;
}
.column-list-item {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  padding: 30px;
  background: var(--c-snow);
  border-radius: 16px;
  border: 1px solid var(--c-line);
  transition: all 0.3s;
}
.column-list-item:hover {
  border-color: var(--c-cheek-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(46, 46, 46, 0.06);
}
.column-list-thumb {
  aspect-ratio: 4/3;
  background: var(--c-sky);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.column-list-content h3 {
  font-family: var(--f-serif);
  font-size: 20px;
  color: var(--c-charcoal);
  margin-bottom: 12px;
  line-height: 1.6;
  font-weight: 600;
}
.column-list-content .excerpt {
  font-size: 13px;
  color: var(--c-text-soft);
  line-height: 1.9;
  margin-bottom: 20px;
}
.column-list-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 12px;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 60px;
}
.pagination a, .pagination span {
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-family: var(--f-serif);
  font-size: 14px;
  color: var(--c-text);
  background: var(--c-snow-warm);
}
.pagination a:hover, .pagination .current {
  background: var(--c-charcoal);
  color: var(--c-snow);
}

/* Responsive */
@media (max-width: 1024px) {
  .nav ul { display: none; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 40px; }
  .column-list-item { grid-template-columns: 1fr; gap: 20px; }
  .info-table th { width: 100px; font-size: 12px; }
}
@media (max-width: 640px) {
  main { padding: 48px 0; }
  .page-hero { padding: 48px 0 40px; }
  .card-grid { grid-template-columns: 1fr; }
  .card-grid.cols-2 { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .mini-cta-buttons { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; }
}