/*
Theme Name: BBH Partners Corporate Theme
Theme URI: https://example.com/
Author: OpenAI
Author URI: https://openai.com/
Description: 株式会社ＢＢＨ ＰＡＲＴＮＥＲＳ向けに調整したコーポレートサイト用WordPressテーマ。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
Text Domain: apptune-kensetsu-theme
*/

:root {
  --primary: #1e1f23;
  --secondary: #8d8b82;
  --accent: #f5f3ed;
  --text: #1f2937;
  --muted: #6b7280;
  --bg: #ffffff;
  --line: #e5e7eb;
  --dark: #17181b;
  --container: 1180px;
  --radius: 18px;
  --shadow: 0 12px 40px rgba(15, 59, 99, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { padding-left: 1.2rem; }

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid rgba(229,231,235,0.8);
  backdrop-filter: blur(10px);
}

.header-inner {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-branding {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.site-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
}
.site-tagline {
  font-size: 0.84rem;
  color: var(--muted);
}

.main-navigation ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 22px;
  align-items: center;
}
.main-navigation a {
  font-weight: 700;
  font-size: 0.95rem;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  background: var(--secondary);
  color: #fff;
  border-radius: 999px;
  font-weight: 800;
}

.menu-toggle {
  display: none;
  border: 0;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
}

.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(11,28,44,0.88), rgba(15,59,99,0.74)),
    url('assets/img/hero-construction.jpg') center/cover no-repeat;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(209,138,40,0.24), transparent 32%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  min-height: 78vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 32px;
  padding: 88px 0;
}
.hero-copy h1 {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.15;
  margin: 0 0 18px;
  font-weight: 900;
}
.hero-copy p {
  font-size: 1.04rem;
  max-width: 700px;
  margin: 0 0 28px;
  color: rgba(255,255,255,0.92);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform .2s ease, opacity .2s ease;
}
.btn:hover { transform: translateY(-1px); opacity: 0.95; }
.btn-primary { background: var(--secondary); color: #fff; }
.btn-secondary { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.25); }

.hero-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 24px;
  padding: 26px;
  backdrop-filter: blur(12px);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}
.hero-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 22px;
}
.hero-metric {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255,255,255,0.1);
}
.hero-metric strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 900;
}
.hero-metric span {
  font-size: 0.92rem;
  color: rgba(255,255,255,0.86);
}

.section {
  padding: 88px 0;
}
.section-title {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  line-height: 1.2;
  color: var(--dark);
}
.section-lead {
  max-width: 760px;
  color: var(--muted);
  margin: 0 0 34px;
}
.section-head {
  margin-bottom: 36px;
}

.grid-2, .grid-3, .grid-4 {
  display: grid;
  gap: 24px;
}
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 1.2rem;
  color: var(--primary);
}
.card p:last-child { margin-bottom: 0; }

.about-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
.about-image {
  min-height: 460px;
  border-radius: 26px;
  background: url('assets/img/about-construction.jpg') center/cover no-repeat;
  box-shadow: var(--shadow);
}
.feature-list {
  display: grid;
  gap: 16px;
}
.feature-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  background: #f8fafc;
  border: 1px solid #e7edf4;
  border-radius: 16px;
}
.feature-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  flex-shrink: 0;
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.service-number {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--accent);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.1rem;
}

.works {
  background: #f8fafc;
}
.work-item {
  overflow: hidden;
  padding: 0;
}
.work-thumb {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, rgba(15,59,99,0.9), rgba(209,138,40,0.7));
}
.work-content {
  padding: 24px;
}
.work-meta {
  display: inline-block;
  margin-bottom: 10px;
  padding: 6px 12px;
  border-radius: 999px;
  background: #eef5fb;
  color: var(--primary);
  font-size: 0.84rem;
  font-weight: 700;
}

.cta-band {
  background: linear-gradient(135deg, var(--primary), #194d80);
  color: #fff;
  border-radius: 30px;
  padding: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.cta-band h2 { margin: 0 0 10px; }
.cta-band p { margin: 0; color: rgba(255,255,255,0.88); }

.company-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid var(--line);
}
.company-table th,
.company-table td {
  padding: 18px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.company-table th {
  width: 180px;
  color: var(--primary);
}

.contact {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}
.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.contact-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.contact-list {
  display: grid;
  gap: 16px;
}
.contact-list strong {
  color: var(--primary);
  display: block;
}
.form-placeholder {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form-line {
  height: 54px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fbfdff;
}
.form-line.textarea {
  min-height: 160px;
}
.notice {
  font-size: 0.9rem;
  color: var(--muted);
}

.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,0.9);
  padding: 54px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 24px;
}
.site-footer h3,
.site-footer h4 {
  color: #fff;
  margin-top: 0;
}
.footer-bottom {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.68);
}

.page-header-simple {
  padding: 70px 0 42px;
  background: #f8fafc;
}
.entry-content {
  padding: 48px 0 88px;
}
.entry-content h1,
.entry-content h2,
.entry-content h3 {
  color: var(--primary);
}

@media (max-width: 1024px) {
  .hero-inner,
  .about-wrap,
  .contact-box,
  .footer-grid,
  .grid-4,
  .grid-3,
  .grid-2,
  .cta-band {
    grid-template-columns: 1fr;
  }
  .cta-band {
    display: grid;
  }
}

@media (max-width: 860px) {
  .menu-toggle { display: inline-flex; }
  .main-navigation {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: calc(100% + 8px);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    box-shadow: var(--shadow);
    padding: 18px;
  }
  .main-navigation.active { display: block; }
  .main-navigation ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }
  .header-cta { display: none; }
  .hero-inner { min-height: auto; }
  .hero-card-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .section { padding: 68px 0; }
  .hero-inner { padding: 70px 0 60px; }
  .hero-card-grid { grid-template-columns: 1fr; }
  .card,
  .contact-panel,
  .cta-band { padding: 22px; }
  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
    padding-left: 0;
    padding-right: 0;
  }
}


.site-branding {
  display: flex;
  align-items: center;
  gap: 16px;
}
.site-branding-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.site-logo-link {
  display: inline-flex;
  align-items: center;
}
.site-logo,
.custom-logo {
  width: auto;
  height: 62px;
  max-width: 220px;
  object-fit: contain;
}
.hero-copy > p:first-child {
  letter-spacing: 0.12em;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
}
@media (max-width: 920px) {
  .site-branding {
    gap: 10px;
  }
  .site-branding-text {
    min-width: 0;
  }
  .site-title {
    font-size: 1rem;
  }
  .site-tagline {
    font-size: 0.75rem;
  }
  .site-logo,
  .custom-logo {
    height: 46px;
    max-width: 160px;
  }
}


.strength-cards {
  display: flex;
  gap: 24px;
}

.card {
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: #f5f5f5;
}

.card-image {
  height: 200px;
  background-size: cover;
  background-position: center;
}

.card-body {
  padding: 20px;
}

.tag {
  display: inline-block;
  background: #ddd;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 12px;
  margin-bottom: 10px;
}