:root {
  --color-primary: #1565a8;
  --color-primary-dark: #0d4a7c;
  --color-secondary: #2e8b57;
  --color-secondary-dark: #1f6b40;
  --color-dark: #16232f;
  --color-text: #2b3641;
  --color-muted: #64707a;
  --color-bg: #ffffff;
  --color-bg-alt: #f2f7f6;
  --color-border: #e1e8e6;
  --color-danger: #d64545;
  --color-warning: #e2922f;
  --color-safe: #2e8b57;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(20, 50, 70, 0.08);
  --max-width: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
}

img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  font-size: 15px;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  box-shadow: var(--shadow);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-lg { padding: 16px 36px; font-size: 16px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-dark);
  font-weight: 800;
  font-size: 18px;
  margin-right: auto;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  font-size: 16px;
}
.nav {
  display: flex;
  gap: 28px;
}
.nav a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 14px;
}
.nav a:hover { color: var(--color-primary); }
.header-cta { white-space: nowrap; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-dark);
}

/* Hero */
.hero {
  position: relative;
  padding: 160px 0 120px;
  overflow: hidden;
  isolation: isolate;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-inner { max-width: 760px; }
.hero .eyebrow {
  color: #9fe6c0;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}
.hero h1 {
  font-size: clamp(30px, 4.8vw, 48px);
  line-height: 1.42;
  margin: 0 0 22px;
  color: #fff;
  text-shadow: 0 4px 20px rgba(0,0,0,0.25);
}
.hero-lead {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 36px;
  max-width: 620px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero .btn-outline {
  border-color: #fff;
  color: #fff;
}
.hero .btn-outline:hover { background: #fff; color: var(--color-primary-dark); }

/* Sections */
.section { padding: 88px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-eyebrow {
  color: var(--color-secondary);
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 13px;
  margin: 0 0 8px;
}
.section-title {
  font-size: clamp(24px, 3vw, 32px);
  margin: 0 0 14px;
  color: var(--color-dark);
}
.section-lead {
  color: var(--color-muted);
  max-width: 640px;
  margin-bottom: 44px;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(20, 50, 70, 0.14);
}
.card-icon { font-size: 32px; margin-bottom: 14px; }
.card h3 { margin: 0 0 10px; color: var(--color-dark); font-size: 18px; }
.card p { margin: 0; color: var(--color-muted); font-size: 14px; }

/* Region banner */
.region-banner-media {
  position: relative;
  min-height: 300px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.region-banner-media::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(21,101,168,0.85), rgba(46,139,87,0.85));
}
.region-banner-overlay {
  position: relative;
  z-index: 1;
  color: #fff;
  max-width: 640px;
  padding: 0 24px;
}
.region-banner-eyebrow {
  letter-spacing: 0.1em;
  font-weight: 700;
  font-size: 13px;
  opacity: 0.9;
  margin: 0 0 10px;
}
.region-banner-overlay h2 {
  font-size: clamp(24px, 3.6vw, 36px);
  margin: 0 0 12px;
}
.region-banner-overlay p {
  margin: 0;
  font-size: 16px;
  opacity: 0.95;
}

/* About */
.about-media {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 44px;
}
.about-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: start;
}
.about-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
}
.about-table th, .about-table td {
  text-align: left;
  padding: 14px 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.about-table th {
  width: 120px;
  color: var(--color-secondary-dark);
  font-weight: 700;
  white-space: nowrap;
}
.about-values { display: flex; flex-direction: column; gap: 24px; }
.value-item {
  background: #fff;
  border-left: 4px solid var(--color-secondary);
  border-radius: 8px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.value-item h4 { margin: 0 0 6px; color: var(--color-primary-dark); }
.value-item p { margin: 0; color: var(--color-muted); font-size: 14px; }

/* Diagnosis form */
.diagnosis-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  max-width: 640px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-row label {
  font-weight: 700;
  font-size: 14px;
  color: var(--color-dark);
}
.form-row select,
.form-row input,
.form-row textarea {
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  font-size: 15px;
  font-family: inherit;
  background: #fff;
  color: var(--color-text);
}
.form-row select:focus,
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.diagnosis-submit { align-self: flex-start; margin-top: 8px; }

.diagnosis-result {
  max-width: 640px;
  margin-top: 32px;
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--color-border);
}
.result-badge { margin-bottom: 16px; }
.result-label {
  display: inline-block;
  padding: 8px 20px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 15px;
  color: #fff;
}
.result-label.urgent { background: var(--color-danger); }
.result-label.soon { background: var(--color-warning); }
.result-label.safe { background: var(--color-safe); }
.result-message { color: var(--color-text); font-size: 15px; margin-bottom: 8px; }
.result-note { color: var(--color-muted); font-size: 13px; margin-bottom: 20px; }

/* Field blog */

/* 注目カード（最新の投稿） */
.blog-featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(20, 50, 70, 0.16);
  margin-bottom: 32px;
}
.blog-featured-media {
  position: relative;
  min-height: 340px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}
.blog-featured-grid {
  display: grid;
  height: 100%;
  min-height: 340px;
  gap: 3px;
}
.blog-featured-grid-1 { grid-template-columns: 1fr; }
.blog-featured-grid-2 { grid-template-columns: 1fr 1fr; }
.blog-featured-grid-3, .blog-featured-grid-4 {
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
}
.blog-featured-grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-featured-placeholder {
  height: 100%;
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 72px;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,0.2));
}
.blog-badge {
  position: absolute;
  top: 20px;
  left: 20px;
  background: #fff;
  color: var(--color-primary-dark);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 8px 18px;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.18);
}
.blog-featured-body {
  padding: 44px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}
.blog-featured-body time {
  color: var(--color-secondary-dark);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.blog-featured-body h3 {
  margin: 0;
  font-size: 26px;
  line-height: 1.4;
  color: var(--color-dark);
}
.blog-featured-body p {
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
}
.blog-featured-body .btn { align-self: flex-start; margin-top: 10px; }

/* 通常カード */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.blog-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 4px solid var(--color-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 36px rgba(20, 50, 70, 0.16);
}
.blog-thumb-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--color-border);
}
.blog-thumb-grid img {
  width: 100%;
  height: 110px;
  object-fit: cover;
}
.blog-thumb-placeholder {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  background: linear-gradient(135deg, rgba(21,101,168,0.10), rgba(46,139,87,0.14));
}
.blog-card-body { padding: 22px 24px; }
.blog-card-body time {
  color: var(--color-secondary-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.blog-card-body h3 {
  margin: 8px 0 10px;
  color: var(--color-dark);
  font-size: 18px;
}
.blog-card-body p {
  margin: 0 0 8px;
  color: var(--color-muted);
  font-size: 14px;
}
.blog-empty { color: var(--color-muted); }

@media (max-width: 720px) {
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured-media, .blog-featured-grid, .blog-featured-placeholder { min-height: 220px; }
  .blog-featured-body { padding: 28px 24px; }
  .blog-featured-body h3 { font-size: 22px; }
}

/* News */
.news-list { list-style: none; margin: 0; padding: 0; max-width: 760px; }
.news-list li {
  display: grid;
  grid-template-columns: 110px 110px 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}
.news-list time { color: var(--color-muted); font-size: 14px; }
.news-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-secondary-dark);
  background: rgba(46, 139, 87, 0.12);
  padding: 4px 10px;
  border-radius: 999px;
  width: fit-content;
}
.news-list p { margin: 0; font-size: 14px; }

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 56px;
}
.contact-info { margin-top: 24px; font-size: 15px; }
.contact-info p { margin: 0 0 10px; }
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.contact-status {
  max-width: 640px;
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-weight: 700;
}
.contact-status.success {
  background: rgba(46, 139, 87, 0.12);
  color: var(--color-secondary-dark);
  border: 1px solid rgba(46, 139, 87, 0.3);
}
.contact-status.error {
  background: rgba(214, 69, 69, 0.1);
  color: var(--color-danger);
  border: 1px solid rgba(214, 69, 69, 0.3);
}
.contact-form {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Footer */
.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 28px 0;
  text-align: center;
  font-size: 13px;
}
.photo-credit {
  margin: 8px 0 0;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
}
.photo-credit a { color: rgba(255, 255, 255, 0.6); }

.tel-link {
  color: var(--color-primary-dark);
  font-weight: 700;
  text-decoration: none;
}
.tel-link:hover { text-decoration: underline; }

/* モバイル用の固定電話バー */
.mobile-call-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 200;
}

@media (max-width: 860px) {
  body { padding-bottom: 64px; }
  .mobile-call-bar {
    display: flex;
  }
  .mobile-call-btn {
    flex: 1;
    text-align: center;
    padding: 16px 0;
    font-weight: 800;
    font-size: 15px;
    text-decoration: none;
    color: #fff;
  }
  .mobile-call-btn-phone { background: var(--color-primary); }
  .mobile-call-btn-contact { background: var(--color-secondary); }
}

/* Responsive */
@media (max-width: 860px) {
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .news-list li { grid-template-columns: 90px 1fr; }
  .news-list li p { grid-column: 1 / -1; }
  .hero { padding: 120px 0 80px; }
  .about-media img { height: 220px; }
  .region-banner-media { min-height: 220px; }
}

@media (max-width: 860px) {
  .site-header.nav-open .nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    padding: 20px 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 16px;
  }
}