/* ============================================================
   デザイン参照モック: かねむらクリニック様サイト構造クローン
   大澤クリニックHPリニューアル検討用 (ANALYSIS.md 参照)
   ============================================================ */

:root {
  /* 大澤クリニック独自パレット: 実サイトの深緑×生成りベージュを起点に再設計(かねむら様のミント×ピンクから脱却) */
  --color-green: #4f6b52;
  --color-green-dark: #3c5540;
  --color-accent: #b9744f;
  --color-accent-dark: #97583a;
  --color-text: #2b2621;
  --color-bg-tint: #f5f1e7;
  --color-border: #e4ddcd;
  --font-sans: "Yu Gothic", "Hiragino Kaku Gothic Pro", "Meiryo", sans-serif;
  --font-serif: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --container-w: 1140px;
  --header-h: 84px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 19px;
  line-height: 1.8;
  color: var(--color-text);
  background: #fff;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }

/* ---------- インタラクション共通(hover/focus) ---------- */
a, button, .btn { transition: color 0.25s ease, background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-green-dark);
  outline-offset: 3px;
  border-radius: 2px;
}
.main-nav a:hover { color: var(--color-green-dark); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  max-width: 1020px;
  margin: 0 auto;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}
.logo { display: flex; align-items: center; gap: 4px; }
.logo-mark {
  height: 58px; width: auto;
  flex-shrink: 0;
}
.logo-text strong { display: block; font-family: var(--font-serif); font-size: 23px; letter-spacing: 1px; }
.logo-text small { display: block; font-size: 13px; color: #777; }

.main-nav ul { display: flex; gap: 16px; }
.main-nav a {
  display: flex; flex-direction: column; align-items: center;
  font-size: 15px; font-weight: 500; white-space: nowrap;
}
.main-nav a em {
  font-style: normal; font-size: 11px; color: var(--color-green-dark);
  letter-spacing: 0.5px; margin-top: 2px;
}

/* ---------- Placeholder images ---------- */
.ph-image {
  position: relative;
  background: repeating-linear-gradient(135deg, #e9ece9, #e9ece9 10px, #dfe4df 10px, #dfe4df 20px);
  display: flex; align-items: flex-end;
  overflow: hidden;
}
.ph-image::after {
  content: attr(data-label);
  display: block;
  width: 100%;
  padding: 8px 12px;
  background: rgba(36, 36, 36, 0.55);
  color: #fff;
  font-size: 12px;
  text-align: left;
}

/* ---------- AI生成イメージの明示 ---------- */
.ai-badge {
  position: absolute; right: 16px; top: 16px; z-index: 3;
  background: rgba(36, 36, 36, 0.55); color: #fff;
  font-size: 13px; padding: 4px 10px; border-radius: 2px; letter-spacing: 0.5px;
}
.ai-note {
  text-align: center; font-size: 14px; color: #999; margin-top: 12px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  height: 420px;
  overflow: hidden;
  background: #d9d0bc;
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0;
  opacity: 0;
  background-size: cover;
  background-position: center;
  transition: opacity 1.2s ease;
}
.hero-slide.is-active { opacity: 1; }
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.15), rgba(0,0,0,0.45));
  pointer-events: none;
}
.hero-tags {
  position: absolute; left: 40px; top: 90px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 2;
}
.tag {
  padding: 18px 26px;
  font-family: var(--font-serif);
  font-size: 22px; font-weight: 500; letter-spacing: 3px; line-height: 1.3;
  color: #fff;
  border-radius: 0;
}
.tag--green { background: rgba(79, 107, 82, 0.88); }
.tag--accent { background: rgba(185, 116, 79, 0.88); }
.hero-copy {
  position: absolute; right: 40px; bottom: 40px; left: 40px; z-index: 2;
  max-width: 660px; margin-left: auto;
  color: #fff; font-family: var(--font-serif);
  font-size: 25px; font-weight: 500; letter-spacing: 1px; line-height: 1.6;
  text-align: right;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

/* ---------- Section headings (watermark) ---------- */
.heading-lg {
  position: relative;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 500;
  letter-spacing: 10px;
  margin: 0 0 30px;
  padding-top: 10px;
}
.heading-lg::before {
  content: attr(data-watermark);
  position: absolute;
  top: -34px; left: 50%; transform: translateX(-50%);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 88px;
  font-weight: 300;
  color: rgba(79, 107, 82, 0.1);
  white-space: nowrap;
  z-index: -1;
  letter-spacing: 2px;
}
.heading-sm { font-size: 29px; font-family: var(--font-serif); color: var(--color-green); margin: 0 0 20px; display: flex; align-items: baseline; gap: 12px; }
.heading-sm .ja { font-size: 19px; font-family: var(--font-sans); color: var(--color-text); }
.heading-sm .more-link { margin-left: auto; background: var(--color-green); color: #fff; font-size: 15px; padding: 8px 16px; }

.lead-text { max-width: 820px; margin: 0 auto 40px; text-align: center; color: #444; font-size: 18px; }

section { padding: 90px 24px; max-width: var(--container-w); margin: 0 auto; }
section.hero { max-width: none; padding: 0; }
section.recruit-banner, section.access, section.symptoms { max-width: none; }
.section-inner { max-width: var(--container-w); margin: 0 auto; }

/* 検査機器セクション: 背景色+左寄せ見出しでリズムを崩す */
section.symptoms { background: var(--color-bg-tint); }
.heading-lg--left { text-align: left; }
.heading-lg--left::before { left: 0; transform: none; }
.lead-text--left { margin: 0 0 40px; text-align: left; }

/* ---------- News + Schedules ---------- */
.split-section {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
}
.news-list li { border-bottom: 1px dashed var(--color-border); }
.news-list a { display: block; padding: 14px 4px; }
.news-list a:hover { background: var(--color-bg-tint); }
.news-list time { color: var(--color-green); font-weight: 600; margin-right: 10px; }
.news-list p { margin: 4px 0 0; display: inline; }

.schedule-table { width: 100%; border-collapse: collapse; font-size: 17px; }
.schedule-table th, .schedule-table td { border: 1px solid var(--color-border); text-align: center; padding: 10px 6px; }
.schedule-table thead th { background: var(--color-bg-tint); color: var(--color-green-dark); }
.schedule-table tbody th { background: var(--color-bg-tint); font-weight: 500; text-align: left; padding-left: 12px; }
.legend { font-size: 15px; color: #666; margin-top: 12px; }

/* ---------- Recruit banner ---------- */
.recruit-banner {
  display: block; text-align: center;
  background: #fff; border: 2px solid var(--color-green); border-radius: 4px;
  max-width: calc(var(--container-w) - 48px);
  margin: 0 auto 90px; padding: 24px 30px;
}
.recruit-headline { color: var(--color-accent-dark); font-size: 23px; font-weight: 700; margin: 0 0 6px; }
.btn { display: inline-block; padding: 12px 26px; font-size: 16px; font-weight: 500; border-radius: 0; }
.btn--recruit { background: var(--color-green-dark); color: #fff; margin-top: 10px; }
.btn--primary { background: var(--color-green); color: #fff; }
.btn--outline { border: 1px solid var(--color-green); color: var(--color-green-dark); background: transparent; }
.btn:hover { filter: brightness(1.12); transform: translateY(-2px); box-shadow: 0 8px 18px rgba(43, 38, 33, 0.18); }
.btn--outline:hover { background: var(--color-green); color: #fff; }

/* ---------- Greeting ---------- */
.greeting-grid {
  display: grid; grid-template-columns: 1fr 1.4fr 1fr; gap: 30px; align-items: center;
}
.greeting-grid--duo { grid-template-columns: 280px 1fr; align-items: start; }
.portrait { aspect-ratio: 3/4; border-radius: 2px; width: 100%; object-fit: cover; display: block; }
.greeting-text { text-align: center; }
.greeting-grid--duo .greeting-text { text-align: left; }
.signature { margin-top: 20px; font-weight: 500; }
.greeting-text .btn { margin-top: 20px; }
.doctor-profile { margin-top: 24px; font-size: 16px; }
.doctor-profile > div { display: grid; grid-template-columns: 80px 1fr; gap: 12px; padding: 10px 0; border-top: 1px dashed var(--color-border); }
.doctor-profile dt { color: var(--color-green-dark); font-weight: 600; }
.doctor-profile dd { margin: 0; }

/* ---------- Information cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 20px; }
.info-card {
  aspect-ratio: 4/3; align-items: flex-end; justify-content: flex-start; display: flex;
  background-size: cover; background-position: center; background-color: #e9ece9;
}
.info-card::after { content: none; }
.info-card .tag { position: relative; margin: 0; border-radius: 0; font-size: 16px; padding: 10px 16px; font-family: var(--font-sans); letter-spacing: 0; transition: background-color 0.25s ease; }
.info-card--wide { aspect-ratio: 21/6; margin-bottom: 20px; }
.info-card { transition: transform 0.35s ease, box-shadow 0.35s ease; }
.info-card:hover { transform: scale(1.035); box-shadow: 0 12px 28px rgba(43, 38, 33, 0.22); z-index: 2; }

/* ---------- Symptoms / Equipment grid ---------- */
.symptom-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.symptom-grid a, .symptom-grid div {
  display: block; padding: 24px 20px; text-align: center;
  border: 1px solid var(--color-border); color: var(--color-green-dark);
  font-weight: 500;
}
.symptom-grid a:nth-child(3n+2), .symptom-grid div:nth-child(3n+2) { background: var(--color-bg-tint); }
.equipment-card { padding: 16px !important; transition: box-shadow 0.3s ease; }
.equipment-card:hover { box-shadow: 0 10px 24px rgba(43, 38, 33, 0.18); }
.equipment-card img { width: 100%; aspect-ratio: 1/1; object-fit: cover; display: block; margin-bottom: 12px; overflow: hidden; transition: transform 0.4s ease; }
.equipment-card:hover img { transform: scale(1.06); }
.equipment-card { overflow: hidden; }
.equipment-card span { display: block; font-size: 16px; line-height: 1.5; }

/* ---------- Features ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px; }
.feature-card {
  position: relative;
  aspect-ratio: 4/5; padding: 30px 24px; display: flex; align-items: flex-start; flex-direction: column;
  justify-content: flex-end; color: #fff; text-shadow: 0 1px 6px rgba(0,0,0,0.4);
  background-size: cover; background-position: center; background-color: #e9ece9;
}
.feature-card:not(.ph-image):not(.feature-card--pending)::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(rgba(0,0,0,0.05), rgba(0,0,0,0.65));
  transition: background 0.35s ease;
}
.feature-card > * { position: relative; z-index: 1; }
.feature-card::after { content: none; }
.feature-card { transition: transform 0.35s ease, box-shadow 0.35s ease; }
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 16px 32px rgba(43, 38, 33, 0.28); }
.feature-card:hover:not(.ph-image):not(.feature-card--pending)::before { background: linear-gradient(rgba(0,0,0,0.1), rgba(0,0,0,0.5)); }
.feature-no { font-family: var(--font-serif); font-size: 15px; letter-spacing: 2px; opacity: 0.85; }
.feature-label { font-family: var(--font-serif); font-size: 42px; letter-spacing: 4px; margin: 4px 0 12px; font-weight: 500; }
.feature-label--green { color: var(--color-green); }
.feature-label--accent { color: var(--color-accent); }
.feature-card h3 { font-size: 20px; margin: 0 0 8px; }
.feature-card p { font-size: 15px; margin: 0; line-height: 1.7; }

/* bentoレイアウト: 01と06を横に広く取り、単調な均等グリッドを崩す */
.feature-card--wide { grid-column: span 2; aspect-ratio: 8/5; }

/* 院長カード: 実写待ちのシルエットプレースホルダー(斜線グレーではなくブランドカラーで統一感を出す) */
.feature-card--pending {
  background: var(--color-green-dark);
  background-image: none !important;
}
.feature-card--pending .pending-icon {
  position: absolute; top: 28px; left: 50%; transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.45);
}
.feature-card--pending .pending-caption {
  position: absolute; top: 86px; left: 0; right: 0; text-align: center;
  font-size: 11px; letter-spacing: 1.5px; color: rgba(255, 255, 255, 0.5);
}

/* ---------- Access ---------- */
.access { background: var(--color-bg-tint); padding-bottom: 60px; }
.access-inner {
  max-width: var(--container-w); margin: 0 auto 40px;
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 50px; padding: 0 24px;
}
.access-info { text-align: center; }
.access-logo { display: flex; align-items: center; justify-content: center; gap: 8px; margin-bottom: 16px; }
.access-logo-text { font-family: var(--font-serif); font-size: 25px; font-weight: 600; color: var(--color-text); letter-spacing: 1px; }
.address, .station { font-size: 17px; }
.access-exterior { display: block; width: 100%; max-width: 260px; margin: 20px auto 0; border-radius: 2px; aspect-ratio: 3/4; object-fit: cover; }
.map-embed { display: block; width: 100%; max-width: var(--container-w); margin: 0 auto; height: 320px; border: 0; }
.parking-note { text-align: center; margin-top: 40px; font-size: 21px; }
.access > .btn { display: block; width: fit-content; margin: 16px auto 0; }

/* ---------- News archive / detail ---------- */
.archive-header { text-align: center; padding-bottom: 10px; }
.archive-list { max-width: 760px; }

.breadcrumb { font-size: 15px; color: #777; margin-bottom: 30px; }
.breadcrumb a { color: var(--color-green-dark); }
.article { max-width: 760px; }
.article-body { padding: 20px 0 40px; border-bottom: 1px solid var(--color-border); margin-bottom: 30px; }
.article-date { display: block; color: var(--color-green); font-weight: 600; margin-bottom: 10px; }
.article-title { font-family: var(--font-serif); font-size: 34px; font-weight: 500; margin: 0 0 30px; letter-spacing: 2px; }
.article-body p { margin: 0 0 20px; }
.article-note { font-size: 14px; color: #999; }
.back-link { display: inline-block; }

/* ---------- 詳細ページ共通(診療科/特徴) ---------- */
.detail-hero {
  position: relative; height: 280px;
  background-size: cover; background-position: center; background-color: var(--color-bg-tint);
}
.detail-hero .tag { position: absolute; left: 24px; bottom: 24px; margin: 0; }
.detail-body { max-width: 760px; margin: 0 auto; padding: 50px 24px 70px; }
.detail-lead { font-size: 19px; line-height: 1.9; margin: 0 0 30px; }
.detail-list { margin: 0 0 30px; padding: 0; }
.detail-list li { list-style: none; padding: 12px 0 12px 28px; border-bottom: 1px dashed var(--color-border); position: relative; }
.detail-list li::before { content: '✓'; position: absolute; left: 0; color: var(--color-green); font-weight: 700; }
.detail-section-title { font-family: var(--font-serif); font-size: 23px; margin: 40px 0 16px; letter-spacing: 1px; color: var(--color-green-dark); }
.detail-body .back-link { margin-top: 20px; }

/* 検査機器: アンカー1ページ構成 */
.equipment-detail { max-width: 900px; margin: 0 auto; padding: 60px 24px 80px; }
.equipment-item {
  display: grid; grid-template-columns: 300px 1fr; gap: 40px;
  padding: 50px 0; border-bottom: 1px solid var(--color-border);
  align-items: center; scroll-margin-top: 100px;
}
.equipment-item:first-child { padding-top: 0; }
.equipment-item img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: 2px; }
.equipment-item h2 { font-family: var(--font-serif); font-size: 25px; margin: 0 0 6px; letter-spacing: 1px; }
.equipment-item .equipment-when { color: var(--color-green-dark); font-size: 15px; font-weight: 600; margin: 0 0 12px; }
.equipment-item p.equipment-desc { margin: 0; line-height: 1.9; }
.equipment-jump { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0 10px; padding: 0 24px; max-width: 900px; margin-left: auto; margin-right: auto; }
.equipment-jump a { background: var(--color-bg-tint); color: var(--color-green-dark); font-size: 15px; padding: 8px 14px; border-radius: 999px; }
.equipment-jump a:hover { background: var(--color-green); color: #fff; }

/* ---------- Footer ---------- */
.site-footer { text-align: center; padding: 40px 24px 60px; color: #777; font-size: 15px; }
.sitemap { margin-bottom: 8px; }

/* ---------- Scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .main-nav { display: none; }
  .split-section, .greeting-grid, .access-inner { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .symptom-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card--wide { grid-column: span 1; aspect-ratio: 4/5; }
  .hero { height: 400px; }
  .hero-tags { left: 20px; top: 20px; }
  .tag { padding: 10px 18px; font-size: 17px; letter-spacing: 1px; }
  .hero-copy { right: 20px; left: 20px; bottom: 20px; font-size: 19px; max-width: none; }
  .heading-lg { font-size: 30px; letter-spacing: 5px; }
  .heading-lg::before { font-size: 56px; top: -20px; }
  section { padding: 60px 20px; }
  .recruit-banner { grid-template-columns: 1fr; text-align: center; }
  .equipment-item { grid-template-columns: 1fr; }
  .detail-hero { height: 200px; }
}