/* 建設ジンザイテラス — 独自デザインシステム（介護テラス非依存） */
:root {
  --kj-navy: #1b2838;
  --kj-navy-light: #2d3e50;
  --kj-yellow: #f5a623;
  --kj-yellow-dark: #d4890a;
  --kj-gray-100: #f4f6f8;
  --kj-gray-200: #e2e8f0;
  --kj-gray-400: #94a3b8;
  --kj-gray-600: #64748b;
  --kj-gray-900: #111827;
  --kj-white: #ffffff;
  --kj-font: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --kj-max: 1080px;
  --kj-header-h: 72px;
  --kj-radius: 4px;
  --kj-shadow: 0 2px 12px rgba(27, 40, 56, 0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--kj-font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--kj-gray-900);
  background: var(--kj-white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; vertical-align: bottom; }

a { color: var(--kj-navy); text-decoration: none; }
a:hover { color: var(--kj-yellow-dark); }

ul { list-style: none; }

/* ── Layout ── */
.kj-wrap {
  max-width: var(--kj-max);
  margin: 0 auto;
  padding: 0 20px;
}

.kj-main { padding-top: var(--kj-header-h); }

/* ── Header ── */
.kj-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--kj-white);
  border-bottom: 3px solid var(--kj-navy);
  box-shadow: var(--kj-shadow);
}

.kj-header::after {
  content: '';
  display: block;
  height: 3px;
  background: var(--kj-yellow);
}

.kj-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--kj-header-h);
  gap: 1rem;
}

.kj-header__logo img { height: 36px; width: auto; }

.kj-nav { display: flex; align-items: center; gap: 0.25rem; }

.kj-nav__link {
  display: block;
  padding: 0.4rem 0.65rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--kj-navy);
  border-radius: var(--kj-radius);
  transition: background 0.15s;
}

.kj-nav__link:hover { background: var(--kj-gray-100); color: var(--kj-navy); }

.kj-nav__cta {
  margin-left: 0.5rem;
  padding: 0.55rem 1.1rem;
  background: var(--kj-yellow);
  color: var(--kj-navy) !important;
  font-weight: 700;
  border-radius: var(--kj-radius);
  white-space: nowrap;
}

.kj-nav__cta:hover { background: var(--kj-yellow-dark); color: var(--kj-navy) !important; }

.kj-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  background: var(--kj-navy);
  border: none;
  border-radius: var(--kj-radius);
  cursor: pointer;
  padding: 10px;
}

.kj-menu-btn span {
  display: block;
  height: 2px;
  background: var(--kj-white);
  transition: transform 0.2s, opacity 0.2s;
}

.kj-menu-btn.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.kj-menu-btn.is-open span:nth-child(2) { opacity: 0; }
.kj-menu-btn.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.kj-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(27, 40, 56, 0.6);
  z-index: 98;
}

.kj-nav-overlay.is-open { display: block; }

@media (max-width: 900px) {
  :root { --kj-header-h: 60px; }
  .kj-menu-btn { display: flex; }
  .kj-nav {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    flex-direction: column;
    align-items: stretch;
    padding: 80px 24px 24px;
    background: var(--kj-navy);
    transition: right 0.3s ease;
    z-index: 99;
    overflow-y: auto;
  }
  .kj-nav.is-open { right: 0; }
  .kj-nav__link { color: var(--kj-white); font-size: 1rem; padding: 0.75rem 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .kj-nav__link:hover { background: transparent; color: var(--kj-yellow); }
  .kj-nav__cta { margin: 1rem 0 0; text-align: center; }
}

/* ── Hero ── */
.kj-hero {
  background: var(--kj-navy);
  color: var(--kj-white);
  padding: 4rem 0 5rem;
  position: relative;
  overflow: hidden;
}

.kj-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(
      -45deg,
      transparent,
      transparent 20px,
      rgba(245, 166, 35, 0.04) 20px,
      rgba(245, 166, 35, 0.04) 22px
    );
  pointer-events: none;
}

.kj-hero__inner { position: relative; z-index: 1; }

.kj-hero__label {
  display: inline-block;
  background: var(--kj-yellow);
  color: var(--kj-navy);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: var(--kj-radius);
  margin-bottom: 1.25rem;
  letter-spacing: 0.05em;
}

.kj-hero__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 1.5rem;
}

.kj-hero__title em {
  font-style: normal;
  color: var(--kj-yellow);
}

.kj-hero__lead {
  font-size: 1.05rem;
  opacity: 0.9;
  max-width: 560px;
  margin-bottom: 2rem;
}

.kj-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
  max-width: 640px;
}

.kj-stat {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-left: 3px solid var(--kj-yellow);
  padding: 1rem;
  border-radius: var(--kj-radius);
}

.kj-stat__num {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--kj-yellow);
  line-height: 1.2;
}

.kj-stat__label {
  font-size: 0.75rem;
  opacity: 0.85;
  margin-top: 0.25rem;
}

@media (max-width: 600px) {
  .kj-hero { padding: 2.5rem 0 3rem; }
  .kj-hero__stats { grid-template-columns: 1fr; }
}

/* ── Buttons ── */
.kj-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--kj-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.kj-btn--primary {
  background: var(--kj-yellow);
  color: var(--kj-navy);
}

.kj-btn--primary:hover { background: var(--kj-yellow-dark); color: var(--kj-navy); }

.kj-btn--outline {
  background: transparent;
  color: var(--kj-white);
  border-color: var(--kj-white);
}

.kj-btn--outline:hover { background: var(--kj-white); color: var(--kj-navy); }

.kj-btn--dark {
  background: var(--kj-navy);
  color: var(--kj-white);
}

.kj-btn--dark:hover { background: var(--kj-navy-light); color: var(--kj-white); }

/* legacy inner-page buttons */
.c-btn.color-orange {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  background: var(--kj-yellow);
  color: var(--kj-navy);
  font-weight: 700;
  border-radius: var(--kj-radius);
  box-shadow: none;
}

.c-btn.color-orange::after { display: none; }
.c-btn.color-orange:hover { background: var(--kj-yellow-dark); opacity: 1; }

/* ── Sections ── */
.kj-section { padding: 4rem 0; }
.kj-section--gray { background: var(--kj-gray-100); }
.kj-section--navy { background: var(--kj-navy); color: var(--kj-white); }

.kj-section__head { margin-bottom: 2.5rem; }

.kj-section__eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--kj-yellow-dark);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.kj-section--navy .kj-section__eyebrow { color: var(--kj-yellow); }

.kj-section__title {
  font-size: clamp(1.4rem, 3vw, 1.875rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--kj-navy);
}

.kj-section--navy .kj-section__title { color: var(--kj-white); }

.kj-section__desc {
  margin-top: 0.75rem;
  color: var(--kj-gray-600);
  max-width: 640px;
}

.kj-section--navy .kj-section__desc { color: rgba(255,255,255,0.8); }

/* ── Cards ── */
.kj-grid { display: grid; gap: 1.25rem; }
.kj-grid--3 { grid-template-columns: repeat(3, 1fr); }
.kj-grid--2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 768px) {
  .kj-grid--3, .kj-grid--2 { grid-template-columns: 1fr; }
  .kj-section { padding: 3rem 0; }
}

.kj-card {
  background: var(--kj-white);
  border: 1px solid var(--kj-gray-200);
  border-top: 3px solid var(--kj-yellow);
  padding: 1.5rem;
  border-radius: var(--kj-radius);
  box-shadow: var(--kj-shadow);
}

.kj-card__tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--kj-navy);
  background: var(--kj-gray-100);
  padding: 0.2rem 0.6rem;
  border-radius: var(--kj-radius);
  margin-bottom: 0.75rem;
}

.kj-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--kj-navy);
}

.kj-card p { font-size: 0.9rem; color: var(--kj-gray-600); line-height: 1.65; }

.kj-card--feature {
  border-top-color: var(--kj-navy);
}

.kj-card--feature .kj-card__num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--kj-yellow-dark);
  line-height: 1;
  margin-bottom: 0.5rem;
}

/* ── Link list ── */
.kj-links {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
}

.kj-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--kj-white);
  border: 1px solid var(--kj-gray-200);
  border-radius: var(--kj-radius);
  font-weight: 600;
  font-size: 0.9rem;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.kj-links a::after {
  content: '→';
  color: var(--kj-yellow-dark);
  font-weight: 700;
}

.kj-links a:hover {
  border-color: var(--kj-yellow);
  box-shadow: var(--kj-shadow);
  color: var(--kj-navy);
}

/* ── CTA band ── */
.kj-cta {
  background: var(--kj-navy-light);
  color: var(--kj-white);
  padding: 3.5rem 0;
}

.kj-cta__title {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
}

.kj-cta__sub {
  text-align: center;
  opacity: 0.85;
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

.kj-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.kj-cta__phone {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--kj-yellow);
}

/* ── Footer ── */
.kj-footer {
  background: var(--kj-navy);
  color: rgba(255, 255, 255, 0.85);
  padding: 3rem 0 0;
}

.kj-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.kj-footer__brand img { height: 32px; margin-bottom: 1rem; }

.kj-footer__brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  opacity: 0.8;
}

.kj-footer__col-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--kj-yellow);
  margin-bottom: 1rem;
}

.kj-footer__links li { margin-bottom: 0.5rem; }

.kj-footer__links a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
}

.kj-footer__links a:hover { color: var(--kj-yellow); }

.kj-footer__copy {
  text-align: center;
  font-size: 0.75rem;
  opacity: 0.6;
  padding: 1.25rem 0;
}

@media (max-width: 768px) {
  .kj-footer__grid { grid-template-columns: 1fr; gap: 1.5rem; }
}

/* ── Inner pages ── */
.kj-page { padding: 2.5rem 0 4rem; }

.kj-breadcrumb {
  padding: 0.75rem 0;
  font-size: 0.8rem;
  color: var(--kj-gray-600);
  border-bottom: 1px solid var(--kj-gray-200);
}

.kj-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  max-width: var(--kj-max);
  margin: 0 auto;
  padding: 0 20px;
}

.kj-breadcrumb li + li::before {
  content: '/';
  margin: 0 0.4rem;
  opacity: 0.5;
}

.kj-breadcrumb a { color: var(--kj-gray-600); }
.kj-breadcrumb a:hover { color: var(--kj-navy); }

.kj-page-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--kj-navy);
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  border-bottom: 3px solid var(--kj-yellow);
}

.kj-content h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--kj-navy);
  margin: 2.5rem 0 0.75rem;
  padding-left: 0.75rem;
  border-left: 4px solid var(--kj-yellow);
}

.kj-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 1.75rem 0 0.5rem;
}

.kj-content p { margin-bottom: 1rem; color: var(--kj-gray-900); }

.kj-content a { color: var(--kj-navy-light); text-decoration: underline; }
.kj-content a:hover { color: var(--kj-yellow-dark); }

.kj-content ul, .kj-content ol {
  margin: 1rem 0 1rem 1.5rem;
  list-style: disc;
}

.kj-content li { margin-bottom: 0.35rem; }

.kj-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.kj-content th, .kj-content td {
  border: 1px solid var(--kj-gray-200);
  padding: 0.65rem 0.85rem;
  text-align: left;
}

.kj-content th { background: var(--kj-navy); color: var(--kj-white); font-weight: 600; }

.kj-content .u-mt-20 { margin-top: 1.5rem; }

/* legacy breadcrumb */
.p-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  max-width: var(--kj-max);
  margin: 0 auto;
  padding: 0.75rem 20px;
  font-size: 0.8rem;
  color: var(--kj-gray-600);
  border-bottom: 1px solid var(--kj-gray-200);
}
.p-breadcrumb__item + .p-breadcrumb__item::before { content: '/'; margin: 0 0.4rem; opacity: 0.5; }

/* utility */
.u-only-pc { display: inline; }
.u-only-sp { display: none; }
@media (max-width: 768px) {
  .u-only-pc { display: none !important; }
  .u-only-sp { display: inline !important; }
}