/* ============================================
   io Building Maintenance - Stylesheet
   ============================================ */

:root {
  --navy-900: #0F1E3D;
  --navy-800: #142853;
  --navy-700: #1E3A6B;
  --navy-50: #F4F6FB;
  --gold: #C0964B;
  --gold-soft: #E2C99B;
  --accent-red: #E15B4B;
  --accent-blue: #6F8DB5;
  --line-green: #06C755;
  --text: #1B2233;
  --text-mute: #5C6477;
  --bg: #FFFFFF;
  --bg-alt: #F8F9FB;
  --border: #E3E7EE;
  --shadow-sm: 0 1px 3px rgba(15, 30, 61, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 30, 61, 0.10);
  --shadow-lg: 0 16px 48px rgba(15, 30, 61, 0.14);
  --radius: 10px;
  --radius-lg: 16px;
  --container: 1180px;
  --header-h: 76px;

  /* noahub.jp と同じ Geist + システム日本語フォント */
  --font-sans: "Geist", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
               "Yu Gothic UI", "Yu Gothic", "Meiryo", system-ui, -apple-system,
               "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: var(--font-sans);
}

/* Reset / base */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; padding: 0; margin: 0; }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }

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

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.96);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  transition: box-shadow .2s;
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: var(--header-h);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { width: 44px; height: 44px; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: 0.02em;
}
.brand-tag { font-size: 11px; letter-spacing: 0.18em; color: var(--text-mute); }

.site-nav { margin-left: auto; }
.site-nav ul { display: flex; gap: 28px; }
.site-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--navy-900);
  position: relative;
  padding: 6px 0;
}
.site-nav a:hover { color: var(--gold); }
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .25s;
}
.site-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.header-cta {
  display: flex;
  flex-direction: column;
  text-align: right;
  padding: 8px 16px;
  border-left: 2px solid var(--gold);
}
.header-cta-label { font-size: 11px; color: var(--text-mute); }
.header-cta-num {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--navy-900);
  letter-spacing: 0.04em;
}

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  margin-left: auto;
}
.nav-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--navy-900);
  margin: 0 auto;
  transition: transform .25s, opacity .25s;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: var(--navy-900);
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s;
}
.mobile-nav.is-open { max-height: 80vh; }
.mobile-nav ul { padding: 8px 0; }
.mobile-nav a {
  display: block;
  padding: 16px 24px;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  font-weight: 500;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  margin-top: var(--header-h);
  min-height: 78vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(15,30,61,0.78) 0%, rgba(15,30,61,0.55) 60%, rgba(15,30,61,0.30) 100%),
    url("../images/waterproof-after.jpg") center/cover no-repeat;
  z-index: -1;
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(192,150,75,0.25), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(111,141,181,0.30), transparent 50%);
}
.hero-inner { padding: 80px 0; width: 100%; }
.hero-text { max-width: 720px; color: #fff; }
.hero-eyebrow {
  display: inline-block;
  font-size: 16px;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
  margin: 0 0 16px;
  padding-left: 36px;
  position: relative;
}
.hero-eyebrow::before {
  content: "";
  position: absolute;
  left: 0; top: 50%;
  width: 28px; height: 1px;
  background: var(--gold);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 24px;
  letter-spacing: 0.02em;
}
.hero-title-io {
  color: var(--gold);
  font-size: 1.2em;
  margin: 0 0.04em;
  font-weight: 800;
}
.hero-pill {
  display: inline-block;
  background: var(--gold);
  color: var(--navy-900);
  font-weight: 700;
  padding: 10px 24px;
  border-radius: 999px;
  margin: 0 0 32px;
  font-size: 16px;
  letter-spacing: 0.05em;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 0 0 28px;
}
.hero-area {
  font-size: 14px;
  color: var(--gold-soft);
  margin: 0;
  letter-spacing: 0.06em;
}

/* Buttons */
.btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: transform .15s, box-shadow .15s, background .15s;
}
.btn-primary {
  background: var(--gold);
  color: var(--navy-900);
  box-shadow: 0 8px 20px rgba(192,150,75,0.4);
  min-width: 280px;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(192,150,75,0.5); }
.btn-primary .btn-sub { font-size: 12px; font-weight: 500; opacity: 0.85; }
.btn-primary .btn-main { font-size: 22px; font-family: var(--font-display); }

.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
  padding: 16px 36px;
  flex-direction: row;
}
.btn-outline:hover { background: #fff; color: var(--navy-900); }

/* ===== Sections ===== */
.section { padding: 96px 0; }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
  padding: 0 16px;
}
.section-eyebrow {
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--gold);
  font-weight: 700;
  margin: 0 0 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 700;
  color: var(--navy-900);
  margin: 0 0 16px;
  letter-spacing: 0.02em;
  position: relative;
  display: inline-block;
  padding-bottom: 18px;
}
.section-title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 48px; height: 3px;
  background: var(--gold);
}
.section-lead {
  color: var(--text-mute);
  font-size: 15px;
  margin: 0;
}
.section-head-light .section-title { color: #fff; }
.section-head-light .section-lead { color: rgba(255,255,255,0.85); }

/* Services */
.section-services { background: var(--bg); }
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  padding: 40px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  text-align: center;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gold-soft);
}
.service-icon {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  background: var(--navy-50);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 32px;
  color: var(--navy-900);
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--navy-900);
  margin: 0 0 12px;
  font-weight: 700;
}
.service-card p {
  font-size: 14px;
  color: var(--text-mute);
  line-height: 1.8;
  margin: 0;
}

/* Flow — 6個きれいに並べる */
.section-flow { background: var(--bg-alt); }
.flow-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.flow-item {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 16px 24px;
  text-align: center;
  position: relative;
  border: 1px solid var(--border);
}
.flow-num {
  position: absolute;
  top: -22px;
  left: 50%;
  transform: translateX(-50%);
  width: 44px; height: 44px;
  background: var(--navy-900);
  color: var(--gold);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  border: 3px solid #fff;
  box-shadow: var(--shadow-sm);
}
.flow-item h3 {
  font-size: 15px;
  color: var(--navy-900);
  margin: 16px 0 8px;
  font-weight: 700;
}
.flow-item p {
  font-size: 12.5px;
  color: var(--text-mute);
  margin: 0;
  line-height: 1.7;
}

/* Works */
.section-works { background: var(--bg); }
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.work-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
  display: flex;
  flex-direction: column;
}
.work-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.work-title {
  background: var(--navy-900);
  color: #fff;
  font-size: 15px;
  margin: 0;
  padding: 14px 20px;
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.ba-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
}
.ba-pair figure {
  margin: 0;
  position: relative;
  background: #fff;
  overflow: hidden;
}
.ba-pair img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  transition: transform .4s;
}
.work-card:hover .ba-pair img { transform: scale(1.04); }
.ba-pair figcaption {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(15,30,61,0.85);
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  border-radius: 3px;
}
.ba-pair figure:nth-child(2) figcaption {
  background: rgba(192,150,75,0.95);
  color: var(--navy-900);
}
.work-desc {
  padding: 16px 20px 20px;
  font-size: 13px;
  color: var(--text-mute);
  line-height: 1.7;
  margin: 0;
  flex: 1;
}

/* "+多数" カード */
.work-card-more {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  border: 0;
  color: #fff;
  display: grid;
  place-items: center;
  text-align: center;
  min-height: 280px;
  padding: 32px 24px;
}
.work-card-more:hover { box-shadow: var(--shadow-lg); }
.more-inner { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.more-num {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 800;
  color: var(--gold);
  margin: 0;
  letter-spacing: 0.02em;
  line-height: 1;
}
.more-text {
  font-size: 14px;
  color: rgba(255,255,255,0.92);
  margin: 0;
  line-height: 1.8;
}
.more-link {
  display: inline-block;
  margin-top: 4px;
  padding: 10px 22px;
  border: 1.5px solid var(--gold);
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  border-radius: 999px;
  letter-spacing: 0.06em;
  transition: background .2s, color .2s;
}
.more-link:hover { background: var(--gold); color: var(--navy-900); }

/* Strengths */
.section-strengths { background: var(--bg-alt); }
.strength-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.strength-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  transition: transform .25s, box-shadow .25s;
}
.strength-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.strength-num {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}
.strength-card h3 {
  font-size: 17px;
  color: var(--navy-900);
  margin: 0 0 12px;
  font-weight: 700;
  font-family: var(--font-display);
}
.strength-card p {
  font-size: 13.5px;
  color: var(--text-mute);
  line-height: 1.8;
  margin: 0;
}

/* Contact */
.section-contact {
  background: var(--navy-900);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.section-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(192,150,75,0.16), transparent 40%),
    radial-gradient(circle at 90% 100%, rgba(111,141,181,0.18), transparent 40%);
  pointer-events: none;
}
.section-contact .container { position: relative; }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 980px;
  margin: 0 auto;
}
.contact-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  transition: transform .25s, background .25s, border-color .25s;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.contact-card:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.10);
  border-color: var(--gold);
}
.contact-icon {
  width: 64px; height: 64px;
  margin: 0 auto 16px;
  background: var(--gold);
  color: var(--navy-900);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 28px;
}
.contact-label {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.7);
  margin: 0 0 8px;
}
.contact-num {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700;
  color: var(--gold);
  margin: 0 0 8px;
  letter-spacing: 0.04em;
}
.contact-mail-addr {
  font-size: 14px;
  color: var(--gold-soft);
  margin: 0 0 8px;
  word-break: break-all;
}
.contact-hours {
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  margin: 0;
}
.line-qr {
  width: 140px;
  height: 140px;
  background: #fff;
  padding: 8px;
  border-radius: 8px;
  margin: 0 0 12px;
}
.contact-line:hover { transform: none; }

/* Footer */
.site-footer {
  background: #0A1428;
  color: rgba(255,255,255,0.78);
  padding: 56px 0 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: minmax(220px, 320px) 1fr;
  gap: 48px;
  align-items: start;
}
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.footer-logo { width: 80px; height: 80px; object-fit: contain; }
.footer-name {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  margin: 0;
}
.footer-name span {
  display: block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--gold-soft);
  margin-top: 4px;
}
.footer-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px 32px;
  margin: 0;
}
.footer-info > div {
  border-left: 2px solid var(--gold);
  padding-left: 16px;
}
.footer-info dt {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-soft);
  margin: 0 0 4px;
}
.footer-info dd {
  font-size: 14px;
  color: rgba(255,255,255,0.92);
  margin: 0;
  line-height: 1.7;
  word-break: break-all;
}
.footer-info a:hover { color: var(--gold); }
.copyright {
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  margin: 40px 0 0;
  letter-spacing: 0.08em;
}

/* Floating CTA */
.floating-cta {
  display: none;
  position: fixed;
  bottom: 16px; right: 16px;
  background: var(--gold);
  color: var(--navy-900);
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(192,150,75,0.5);
  z-index: 90;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}
.floating-cta:hover { transform: translateY(-2px); }

/* ============================================
   Responsive
   ============================================ */

/* Tablet (~1023px) */
@media (max-width: 1023px) {
  .site-nav { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; margin-left: auto; }
  .section { padding: 80px 0; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-list { grid-template-columns: repeat(3, 1fr); gap: 32px 16px; }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .strength-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}

/* Mobile (~767px) */
@media (max-width: 767px) {
  :root { --header-h: 60px; --container: 100%; }
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
  .section-head { margin-bottom: 36px; padding: 0; }
  .section-eyebrow { font-size: 11px; letter-spacing: 0.24em; margin-bottom: 8px; }
  .section-title { padding-bottom: 14px; }
  .section-title::after { width: 36px; height: 2px; }
  .section-lead { font-size: 13px; line-height: 1.7; }

  /* Header */
  .header-inner { gap: 12px; }
  .brand-logo { width: 32px; height: 32px; }
  .brand-name { font-size: 20px; }
  .brand-tag { font-size: 9px; letter-spacing: 0.12em; }

  /* Hero — センター寄せでスッキリ */
  .hero { min-height: auto; text-align: center; }
  .hero-inner { padding: 48px 0 56px; }
  .hero-text { margin: 0 auto; }
  .hero-eyebrow {
    font-size: 11px;
    letter-spacing: 0.24em;
    padding-left: 0;
    margin: 0 0 14px;
    display: block;
  }
  .hero-eyebrow::before { display: none; }
  .hero-title {
    font-size: clamp(30px, 8.5vw, 44px);
    margin-bottom: 18px;
    line-height: 1.3;
    font-weight: 700;
  }
  .hero-title-io { font-size: 1.15em; }
  .hero-pill {
    font-size: 12px;
    padding: 7px 16px;
    margin-bottom: 28px;
    letter-spacing: 0.02em;
    font-weight: 600;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-bottom: 18px;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
  .btn-primary {
    min-width: auto;
    width: 100%;
    padding: 14px 20px;
    box-shadow: 0 6px 16px rgba(192,150,75,0.35);
  }
  .btn-primary .btn-sub { font-size: 11px; }
  .btn-primary .btn-main { font-size: 18px; letter-spacing: 0.06em; }
  .btn-outline {
    width: 100%;
    padding: 13px 20px;
    font-size: 13px;
    border-width: 1.5px;
  }
  .hero-area { font-size: 11px; letter-spacing: 0.1em; }

  /* Services — シンプルな2列グリッド */
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .service-card {
    padding: 24px 14px 20px;
    display: block;
    text-align: center;
  }
  .service-icon {
    width: 52px;
    height: 52px;
    font-size: 24px;
    margin: 0 auto 12px;
  }
  .service-card h3 {
    font-size: 13.5px;
    margin: 0 0 6px;
    line-height: 1.4;
  }
  .service-card p {
    font-size: 11.5px;
    line-height: 1.65;
    color: var(--text-mute);
  }

  /* Flow — 縦タイムライン */
  .flow-list {
    grid-template-columns: 1fr;
    gap: 0;
    position: relative;
    max-width: 480px;
    margin: 0 auto;
    padding-left: 24px;
  }
  .flow-list::before {
    content: "";
    position: absolute;
    left: 18px;
    top: 22px;
    bottom: 22px;
    width: 2px;
    background: linear-gradient(180deg, var(--gold) 0%, var(--gold-soft) 100%);
    opacity: 0.6;
  }
  .flow-item {
    padding: 16px 18px 16px 28px;
    text-align: left;
    margin-bottom: 12px;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
  }
  .flow-item:last-child { margin-bottom: 0; }
  .flow-num {
    position: absolute;
    top: 50%;
    left: -34px;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    font-size: 14px;
    border: 2px solid var(--bg-alt);
  }
  .flow-item h3 {
    font-size: 14.5px;
    margin: 0 0 4px;
    line-height: 1.4;
  }
  .flow-item p {
    font-size: 12px;
    line-height: 1.6;
  }

  /* Works — Before/Afterを縦に大きく見せる */
  .works-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .work-card {
    border-radius: 12px;
  }
  .work-title {
    font-size: 13px;
    padding: 11px 16px;
    letter-spacing: 0.06em;
  }
  .ba-pair {
    grid-template-columns: 1fr 1fr;
  }
  .ba-pair img {
    aspect-ratio: 1 / 1;
  }
  .ba-pair figcaption {
    top: 6px;
    left: 6px;
    font-size: 10px;
    padding: 2px 7px;
  }
  .work-desc {
    padding: 12px 14px 14px;
    font-size: 12px;
    line-height: 1.65;
  }
  .work-card-more {
    min-height: 200px;
    padding: 28px 20px;
  }
  .more-num { font-size: 32px; }
  .more-text { font-size: 12.5px; }
  .more-link { padding: 9px 18px; font-size: 12px; }

  /* Strengths — 2列でコンパクト */
  .strength-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .strength-card {
    padding: 20px 14px;
    border-radius: 12px;
  }
  .strength-num { font-size: 28px; margin-bottom: 6px; }
  .strength-card h3 {
    font-size: 13.5px;
    margin: 0 0 6px;
    line-height: 1.4;
  }
  .strength-card p {
    font-size: 11.5px;
    line-height: 1.65;
  }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 14px; }
  .contact-card {
    padding: 24px 20px;
    border-radius: 12px;
  }
  .contact-icon {
    width: 48px;
    height: 48px;
    font-size: 22px;
    margin-bottom: 12px;
  }
  .contact-label { font-size: 11px; margin-bottom: 6px; }
  .contact-num {
    font-size: 24px;
    letter-spacing: 0.05em;
  }
  .contact-mail-addr { font-size: 13px; }
  .contact-hours { font-size: 11px; }
  .line-qr { width: 124px; height: 124px; }

  /* Footer */
  .site-footer { padding: 40px 0 80px; }
  .footer-inner { gap: 28px; }
  .footer-info {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .footer-info > div {
    border-left-width: 2px;
    padding-left: 12px;
  }
  .footer-info dt { font-size: 10.5px; letter-spacing: 0.1em; }
  .footer-info dd { font-size: 13px; }
  .footer-name { font-size: 22px; }
  .footer-logo { width: 56px; height: 56px; }
  .copyright {
    margin-top: 28px;
    font-size: 10px;
    letter-spacing: 0.06em;
  }

  /* Floating CTA — フル幅バー */
  .floating-cta {
    display: flex;
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: 0;
    padding: 14px 16px;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.04em;
    box-shadow: 0 -4px 16px rgba(15,30,61,0.18);
  }
}

/* Very small (~380px) */
@media (max-width: 380px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 28px; }
  .hero-pill { font-size: 11.5px; }
  .service-grid { gap: 10px; }
  .service-card { padding: 20px 10px 16px; }
  .service-icon { width: 44px; height: 44px; font-size: 20px; }
  .service-card h3 { font-size: 12.5px; }
  .service-card p { font-size: 11px; }
  .strength-grid { gap: 8px; }
  .strength-card { padding: 16px 12px; }
}