/* ===========================================
   工事業者デモHP 共通スタイル
   制作: Kazuki Web Works
   =========================================== */

:root {
  --color-primary: #1B3A5B;
  --color-primary-dark: #142B45;
  --color-text: #2C2C2C;
  --color-accent: #C84B31;
  --color-bg: #FAF7F2;
  --color-bg-alt: #F0EDE6;
  --color-muted: #6E6A63;
  --color-border: #D9D4CB;
  --color-white: #FFFFFF;
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --radius: 4px;
  --shadow-sm: 0 2px 8px rgba(27, 58, 91, 0.06);
  --shadow-md: 0 4px 24px rgba(27, 58, 91, 0.10);
  --max-width: 1120px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  line-height: 1.5;
}

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

/* fade-in セーフティネット: 初期状態で見える */
.fade-in, [data-animate] {
  opacity: 1 !important;
  transform: none !important;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
  background: transparent;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 2px 12px rgba(27,58,91,0.08);
  padding: 10px 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo-block .logo-name {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--color-primary);
  font-weight: 600;
  letter-spacing: 0.06em;
}
.site-header:not(.scrolled) .logo-block .logo-name { color: var(--color-white); text-shadow: 0 1px 4px rgba(0,0,0,0.4); }
.logo-block .logo-tag {
  font-family: var(--font-serif);
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.1em;
  margin-top: 2px;
}
.site-header:not(.scrolled) .logo-block .logo-tag { color: rgba(255,255,255,0.9); }

.global-nav { display: flex; align-items: center; gap: 28px; }
.global-nav a {
  font-size: 14px;
  color: var(--color-text);
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: color 0.2s;
}
.site-header:not(.scrolled) .global-nav a { color: var(--color-white); text-shadow: 0 1px 3px rgba(0,0,0,0.4); }
.global-nav a:hover { color: var(--color-accent); }
.nav-phone {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-serif);
  color: var(--color-accent) !important;
  font-size: 16px !important;
  font-weight: 600 !important;
}
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; color: var(--color-primary); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image: var(--hero-bg);
  background-size: cover;
  background-position: center;
  filter: brightness(0.55);
  z-index: 0;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(20,43,69,0.35) 0%, rgba(20,43,69,0.55) 100%);
  z-index: 1;
}
.hero .container { position: relative; z-index: 2; padding-top: 100px; padding-bottom: 60px; }
.hero-eyebrow {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.4em;
  margin-bottom: 32px;
  opacity: 0.9;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 6vw, 64px);
  color: var(--color-white);
  font-weight: 500;
  margin-bottom: 24px;
  line-height: 1.4;
}
.hero-sub {
  font-family: var(--font-serif);
  font-size: clamp(16px, 2vw, 20px);
  margin-bottom: 48px;
  max-width: 640px;
  line-height: 2;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.1em;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  font-weight: 500;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:hover { background: #a93b25; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.7);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--color-white); }
.btn-dark { background: var(--color-primary); color: var(--color-white); }
.btn-dark:hover { background: var(--color-primary-dark); }

/* ===== Brand band ===== */
.brand-band {
  background: var(--color-bg-alt);
  padding: 56px 24px;
  text-align: center;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.brand-band p {
  font-family: var(--font-serif);
  font-size: clamp(16px, 2vw, 22px);
  color: var(--color-primary);
  letter-spacing: 0.1em;
}

/* ===== Section base ===== */
section { padding: 96px 0; }
.section-title {
  text-align: center;
  margin-bottom: 16px;
}
.section-eyebrow {
  display: block;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.4em;
  color: var(--color-accent);
  margin-bottom: 12px;
}
.section-heading {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 38px);
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 56px;
}
.section-heading::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  margin: 20px auto 0;
}

/* ===== お知らせ Section ===== */
.news {
  background: var(--color-bg);
}
.news-list {
  max-width: 760px;
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
}
.news-item {
  display: grid;
  grid-template-columns: 120px 100px 1fr;
  gap: 24px;
  padding: 24px 8px;
  border-bottom: 1px solid var(--color-border);
  align-items: baseline;
}
.news-date {
  font-family: var(--font-serif);
  color: var(--color-muted);
  font-size: 14px;
  letter-spacing: 0.08em;
}
.news-tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius);
  text-align: center;
  letter-spacing: 0.1em;
}
.news-tag.tag-info { background: var(--color-muted); }
.news-text { font-size: 15px; color: var(--color-text); }

/* ===== Representative ===== */
.representative { background: var(--color-bg-alt); }
.rep-grid {
  display: grid;
  grid-template-columns: 5fr 6fr;
  gap: 64px;
  align-items: center;
}
.rep-photo {
  aspect-ratio: 4/5;
  background-image: var(--rep-bg);
  background-size: cover;
  background-position: center;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.rep-text h3 {
  font-size: clamp(22px, 3vw, 30px);
  margin-bottom: 24px;
  line-height: 1.7;
}
.rep-text p {
  margin-bottom: 18px;
  color: var(--color-text);
  font-size: 15.5px;
}
.rep-quote {
  border-left: 2px solid var(--color-accent);
  padding: 8px 20px;
  font-family: var(--font-serif);
  color: var(--color-primary);
  margin: 24px 0;
  font-size: 16px;
  line-height: 2;
  background: rgba(255,255,255,0.5);
}
.rep-sign {
  margin-top: 32px;
  font-family: var(--font-serif);
  color: var(--color-muted);
  letter-spacing: 0.1em;
  font-size: 14px;
}

/* ===== Services ===== */
.services { background: var(--color-bg); }
.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 40px 32px;
  border-radius: var(--radius);
  transition: transform 0.3s, box-shadow 0.3s;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px; height: 56px;
  background: var(--color-bg-alt);
  border-radius: 50%;
  color: var(--color-primary);
  margin-bottom: 24px;
}
.service-card h3 {
  font-size: 19px;
  margin-bottom: 14px;
}
.service-card p {
  color: var(--color-muted);
  font-size: 14.5px;
  line-height: 1.95;
}

/* ===== Subsidy ===== */
.subsidy {
  background: var(--color-primary);
  color: var(--color-bg);
}
.subsidy .section-heading,
.subsidy .section-eyebrow { color: var(--color-bg); }
.subsidy .section-heading::after { background: var(--color-accent); }
.subsidy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 16px;
}
.subsidy-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 32px;
  border-radius: var(--radius);
}
.subsidy-card h4 {
  font-family: var(--font-serif);
  color: var(--color-bg);
  font-size: 18px;
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}
.subsidy-card p {
  color: rgba(250,247,242,0.85);
  font-size: 14px;
  line-height: 1.9;
}
.subsidy-note {
  text-align: center;
  margin-top: 40px;
  font-family: var(--font-serif);
  color: rgba(250,247,242,0.7);
  font-size: 14px;
  letter-spacing: 0.1em;
}

/* ===== Rating ===== */
.rating {
  background: var(--color-bg-alt);
  text-align: center;
}
.rating-stars {
  font-size: 28px;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  margin-bottom: 12px;
  font-family: var(--font-serif);
}
.rating-score {
  font-family: var(--font-serif);
  font-size: 48px;
  color: var(--color-primary);
  margin-bottom: 6px;
  font-weight: 500;
}
.rating-meta { color: var(--color-muted); font-size: 14px; margin-bottom: 24px; letter-spacing: 0.05em; }

/* ===== Areas ===== */
.areas { background: var(--color-bg); }
.area-list {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  max-width: 760px;
  margin: 0 auto;
}
.area-item {
  background: var(--color-white);
  padding: 14px 26px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 14.5px;
  font-family: var(--font-serif);
  color: var(--color-primary);
  letter-spacing: 0.05em;
}

/* ===== Contact ===== */
.contact { background: var(--color-bg-alt); }
.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: start;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row label {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--color-primary);
  letter-spacing: 0.1em;
}
.form-row input,
.form-row textarea {
  font-family: var(--font-sans);
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--color-text);
}
.form-row textarea { min-height: 140px; resize: vertical; }
.form-row input:focus,
.form-row textarea:focus { outline: none; border-color: var(--color-primary); }

.contact-info {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  padding: 36px 32px;
  border-radius: var(--radius);
}
.contact-info h3 {
  font-size: 18px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}
.info-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 14px 0;
  font-size: 14.5px;
  border-bottom: 1px dashed var(--color-border);
  align-items: baseline;
}
.info-row:last-child { border-bottom: none; }
.info-row .label {
  font-family: var(--font-serif);
  color: var(--color-muted);
  letter-spacing: 0.1em;
  font-size: 13px;
}
.info-phone {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--color-accent);
  font-weight: 600;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(250,247,242,0.85);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .footer-name {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--color-white);
  margin-bottom: 8px;
  letter-spacing: 0.08em;
}
.footer-brand .footer-tag {
  font-family: var(--font-serif);
  color: rgba(250,247,242,0.7);
  font-size: 13px;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.footer-brand p { font-size: 13px; line-height: 1.9; color: rgba(250,247,242,0.7); }
.footer-col h5 {
  font-family: var(--font-serif);
  color: var(--color-white);
  font-size: 14px;
  letter-spacing: 0.15em;
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 13px; }
.footer-col a:hover { color: var(--color-white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 12px;
  color: rgba(250,247,242,0.5);
  letter-spacing: 0.1em;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .global-nav { display: none; }
  .global-nav.is-open {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    background: var(--color-white);
    padding: 24px;
    gap: 20px;
    box-shadow: var(--shadow-md);
  }
  .site-header:not(.scrolled) .global-nav.is-open a { color: var(--color-text); text-shadow: none; }
  .nav-toggle { display: inline-flex; }
  .site-header:not(.scrolled) .nav-toggle { color: var(--color-white); }

  section { padding: 72px 0; }
  .hero { min-height: 88vh; }
  .hero .container { padding-top: 120px; }

  .rep-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .service-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .news-item { grid-template-columns: 1fr; gap: 6px; padding: 18px 4px; }
  .news-tag { justify-self: start; }
  .info-row { grid-template-columns: 90px 1fr; }
}