/* ============================================================
   Weloom Works - Main Stylesheet
   Color Palette:
   - Main: #143a23
   - Sub: #4c6c61
   - Bg: #f8f7f4 / #f2f4f1
   - Text: #2c2c2c / #4a4a4a
   - Border: #dde3df
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
  --color-main: #143a23;
  --color-main-dark: #0d2718;
  --color-main-light: #1e5233;
  --color-sub: #4c6c61;
  --color-sub-light: #6a8c80;
  --color-accent: #2e6b47;
  --color-bg: #f8f7f4;
  --color-bg-green: #f1f4f1;
  --color-bg-dark: #eceee9;
  --color-white: #ffffff;
  --color-text: #2c2c2c;
  --color-text-light: #5a5a5a;
  --color-text-muted: #8a8a8a;
  --color-border: #dde3df;
  --color-border-light: #eaeded;
  --color-error: #c0392b;
  --color-success: #27ae60;

  --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
  --font-serif: 'Noto Serif JP', 'Hiragino Mincho ProN', serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  --shadow-sm: 0 1px 4px rgba(20, 58, 35, 0.06);
  --shadow-md: 0 4px 16px rgba(20, 58, 35, 0.10);
  --shadow-lg: 0 8px 32px rgba(20, 58, 35, 0.14);

  --transition: 0.25s ease;
  --header-height: 72px;

  --container-max: 1120px;
  --container-pad: clamp(16px, 4vw, 40px);
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }
strong { font-weight: 600; }
em { font-style: normal; }

/* ---- Skip to content ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  background: var(--color-main);
  color: #fff;
  padding: 10px 20px;
  z-index: 9999;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0 0 var(--radius-sm) 0;
  text-decoration: none;
  white-space: nowrap;
}
.skip-link:focus,
.skip-link:focus-visible {
  top: 0;
  outline: 3px solid #fff;
  outline-offset: -3px;
}

/* ---- Container ---- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* ---- Section Base ---- */
.section {
  padding: clamp(64px, 10vw, 112px) 0;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(36px, 5.5vw, 60px);
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-sub);
  background: rgba(76, 108, 97, 0.1);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 600;
  color: var(--color-main);
  line-height: 1.45;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: clamp(0.875rem, 1.5vw, 1.025rem);
  color: var(--color-text-light);
  line-height: 1.85;
  max-width: 680px;
  margin: 0 auto;
}
/* PC中央・モバイル左寄せはメディアクエリで制御 */
.section-header[data-align="left"] { text-align: left; }
.section-header[data-align="left"] .section-subtitle {
  margin: 0;
  max-width: 100%; /* 左寄せ時はmax-width制限を解除 */
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform 0.15s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--color-main);
  color: #fff;
  border: 2px solid var(--color-main);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-main-light);
  border-color: var(--color-main-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-main);
  border: 2px solid var(--color-main);
}
.btn-outline:hover {
  background: rgba(20, 58, 35, 0.06);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 16px;
}

.header-brand { flex-shrink: 0; }

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.brand-logo {
  width: 38px;
  height: 38px;
  /* 背景なし: 画像ロゴをそのまま表示 */
  background: transparent;
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
  padding: 0;
}
.brand-logo img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  display: block;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-main);
  letter-spacing: 0.02em;
}

.brand-tagline {
  font-size: 0.65rem;
  color: var(--color-sub);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.header-nav { display: flex; align-items: center; }

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 6px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover {
  color: var(--color-main);
  background: rgba(20, 58, 35, 0.06);
}

.nav-cta-link {
  background: var(--color-main);
  color: #fff !important;
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  margin-left: 8px;
}
.nav-cta-link:hover {
  background: var(--color-main-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}
.hamburger:hover { background: rgba(20, 58, 35, 0.06); }
.hamburger-line {
  width: 22px;
  height: 2px;
  background: var(--color-main);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
  display: block;
}
.hamburger.is-open .hamburger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open .hamburger-line:nth-child(2) { opacity: 0; }
.hamburger.is-open .hamburger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  box-shadow: var(--shadow-md);
  z-index: 899;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition), opacity var(--transition);
}
.mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-nav-list { padding: 0 var(--container-pad); }
.mobile-nav-link {
  display: block;
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
}
.mobile-nav-link:last-of-type { border-bottom: none; }
.mobile-nav-cta {
  display: block;
  margin-top: 12px;
  padding: 14px;
  background: var(--color-main);
  color: #fff !important;
  text-align: center;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border-bottom: none;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  padding-top: calc(var(--header-height) + 48px);
  padding-bottom: 64px;
  background-color: var(--color-bg);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.06;
}
.hero-shape-1 {
  width: 600px;
  height: 600px;
  background: var(--color-main);
  top: -100px;
  right: -120px;
}
.hero-shape-2 {
  width: 300px;
  height: 300px;
  background: var(--color-sub);
  bottom: 40px;
  left: -80px;
  opacity: 0.08;
}
.hero-shape-3 {
  width: 180px;
  height: 180px;
  background: var(--color-main);
  top: 40%;
  left: 45%;
  opacity: 0.05;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(20,58,35,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,58,35,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.hero-text { display: flex; flex-direction: column; gap: 20px; }

.hero-eyebrow {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-sub);
  letter-spacing: 0.03em;
  padding: 6px 14px;
  background: rgba(76,108,97,0.10);
  border-left: 3px solid var(--color-sub);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  display: inline-block;
  line-height: 1.6;
}

.hero-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 600;
  color: var(--color-main);
  line-height: 1.4;
}

.hero-highlight {
  color: var(--color-main);
  position: relative;
  display: inline-block;
  font-style: normal;
}
.hero-highlight::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-main);
  opacity: 0.3;
  border-radius: 2px;
}

.hero-description {
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  color: var(--color-text-light);
  line-height: 1.85;
  max-width: 520px;
}
.hero-description strong { color: var(--color-main); }

.hero-industries {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.industry-tag {
  font-size: 0.8rem;
  color: var(--color-sub);
  background: rgba(76,108,97,0.08);
  border: 1px solid rgba(76,108,97,0.2);
  padding: 4px 12px;
  border-radius: 100px;
  font-weight: 500;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 4px;
}

/* Hero Diagram */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-diagram {
  width: 100%;
  max-width: 380px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}
.hero-diagram::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-main), var(--color-sub));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.diagram-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.diagram-icon-wrap {
  width: 56px;
  height: 56px;
  background: rgba(20, 58, 35, 0.09);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-main);
  border: 1.5px solid rgba(20,58,35,0.12);
}

.diagram-label-center {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-main);
  text-align: center;
  line-height: 1.4;
}

.diagram-arrows {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.diagram-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 11px 8px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.8rem; /* 小さすぎないよう小さく修正 */
  color: var(--color-text);
  text-align: center;
  font-weight: 600;
  transition: background var(--transition);
  line-height: 1.4;
}
.diagram-item i {
  font-size: 1.15rem;
  color: var(--color-main);
}

.diagram-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.diagram-result-arrow {
  font-size: 1.25rem;
  color: var(--color-sub);
}

.diagram-result-box {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(20, 58, 35, 0.07);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(20,58,35,0.15);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-main);
}
.diagram-result-box i { color: var(--color-main); }

/* ============================================================
   PROBLEM SECTION
   ============================================================ */
.problem-section {
  background: var(--color-white);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.problem-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.problem-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}
.problem-card-field::before { background: linear-gradient(90deg, var(--color-main), var(--color-sub)); }
.problem-card-desk::before { background: linear-gradient(90deg, var(--color-sub), var(--color-sub-light)); }

.problem-card-header {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.problem-card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-main);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
}
.problem-card-desk .problem-card-icon { background: var(--color-main-light); }

.problem-card-title {
  font-size: 1.0rem;
  font-weight: 700;
  color: var(--color-main);
  line-height: 1.5;
}
/* カッコ書きサブ */
.card-title-sub {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-sub);
  margin-top: 2px;
}

.problem-list { display: flex; flex-direction: column; gap: 12px; }

.problem-item {
  display: flex;
  gap: 10px;
  font-size: 0.925rem;
  color: var(--color-text);
  align-items: flex-start;
  line-height: 1.6;
}
.problem-item i {
  color: var(--color-sub);
  font-size: 0.6rem;
  margin-top: 7px;
  flex-shrink: 0;
}

/* Problem Flow */
.problem-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  background: var(--color-bg-green);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
}

.flow-step-icon {
  width: 52px;
  height: 52px;
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-main);
  box-shadow: var(--shadow-sm);
}

.flow-step-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
  line-height: 1.4;
}

.flow-arrow {
  color: var(--color-sub);
  font-size: 0.875rem;
  opacity: 0.6;
  padding: 0 4px;
}

/* ============================================================
   PRESENTEEISM SECTION
   ============================================================ */
.presenteeism-section {
  background: var(--color-bg-green);
}

.presenteeism-main {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.presenteeism-def-box {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px 36px;
  border-left: 4px solid var(--color-main);
  box-shadow: var(--shadow-sm);
}

.presenteeism-term {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-main);
  margin-bottom: 12px;
}
.presenteeism-term span {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-sub);
  font-weight: 400;
  margin-left: 8px;
}

.presenteeism-def-text {
  font-size: 1rem;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 16px;
}

.presenteeism-note {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding-top: 14px;
  border-top: 1px solid var(--color-border-light);
}

/* Presenteeism Diagram */
.presenteeism-diagram {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 36px 32px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}

.pd-top, .pd-bottom {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.pd-causes, .pd-effects {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.pd-cause {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-main);
  background: rgba(20,58,35,0.07);
  border: 1px solid rgba(20,58,35,0.18);
  padding: 6px 14px;
  border-radius: 100px;
}

.pd-arrow-down {
  font-size: 1.25rem;
  color: var(--color-sub);
  opacity: 0.7;
}

.pd-center {
  width: 100%;
}
.pd-center-label {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-main);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 18px 28px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  justify-content: center;
  text-align: center;
}
.pd-center-label i { font-size: 1.5rem; flex-shrink: 0; opacity: 0.9; }
.pd-center-text {
  font-size: 0.9375rem; /* 15px相当だが変数化 */
  line-height: 1.5;
  font-weight: 600;
}

.pd-effect {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 20px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-text);
  min-width: 100px;
  text-align: center;
}
.pd-effect i { font-size: 1.2rem; color: var(--color-main); }

.presenteeism-message { width: 100%; }

.pm-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  border: 1px solid var(--color-border);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.pm-icon {
  font-size: 1.5rem;
  color: var(--color-sub);
  flex-shrink: 0;
  margin-top: 2px;
}

.pm-card p {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--color-text);
}
.pm-card strong { color: var(--color-main); }

/* ============================================================
   VALUE SECTION
   ============================================================ */
.value-section {
  background: var(--color-white);
}

.value-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}

.value-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--color-border);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.value-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.value-card-accent {
  background: var(--color-main);
  color: #fff;
  border-color: var(--color-main);
}
.value-card-accent .value-card-title,
.value-card-accent .value-card-desc,
.value-card-accent .value-card-list li {
  color: rgba(255,255,255,0.92);
}
.value-card-accent .value-card-title { color: #fff; }
.value-card-accent .value-card-icon-wrap {
  background: rgba(255,255,255,0.18);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
}
.value-card-accent .value-card-step { color: rgba(255,255,255,0.6); border-color: rgba(255,255,255,0.3); }
.value-card-accent .value-card-list { border-top-color: rgba(255,255,255,0.2); }
.value-card-accent .value-card-list li::before { color: rgba(255,255,255,0.7); }

.value-card-step {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-sub);
  border: 1px solid var(--color-border);
  display: inline-block;
  padding: 2px 10px;
  border-radius: 100px;
  width: fit-content;
}

.value-card-icon-wrap {
  width: 52px;
  height: 52px;
  background: rgba(20,58,35,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-main);
  border: 1px solid rgba(20,58,35,0.1);
}

.value-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-main);
}

.value-card-desc {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--color-text-light);
  flex: 1;
}

.value-card-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 8px;
  border-top: 1px solid var(--color-border-light);
}
.value-card-accent .value-card-list { border-top-color: rgba(255,255,255,0.2); }

.value-card-list li {
  font-size: 0.825rem;
  color: var(--color-text-light);
  padding-left: 14px;
  position: relative;
}
.value-card-list li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--color-sub);
}
.value-card-accent .value-card-list li::before { color: rgba(255,255,255,0.6); }

.value-note {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(20,58,35,0.05);
  border: 1px solid rgba(20,58,35,0.12);
  border-radius: var(--radius-sm);
  padding: 16px 24px;
}
.value-note i { color: var(--color-main); font-size: 1.1rem; flex-shrink: 0; }
.value-note p { font-size: 0.9rem; color: var(--color-text); font-weight: 500; }

/* ============================================================
   INDUSTRIES SECTION
   ============================================================ */
.industries-section {
  background: var(--color-bg-green);
}

.industries-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.industry-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.industry-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.industry-card-header {
  background: var(--color-main);
  padding: 28px 28px 24px;
  color: #fff;
}
/* 2枚目のカードも同系統の深緑でそろえる */
.industry-card:last-child .industry-card-header { background: var(--color-main-light); }

.industry-card-icon {
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 14px;
  border: 1px solid rgba(255,255,255,0.2);
}

.industry-card-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}

.industry-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.industry-badge {
  font-size: 0.75rem;
  background: rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.9);
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.2);
  font-weight: 500;
}

.industry-card-body {
  padding: 28px;
  flex: 1;
}

.industry-card-intro {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: 20px;
}

.industry-themes {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.industry-themes li {
  display: flex;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-text);
  align-items: flex-start;
  line-height: 1.5;
}
.industry-themes li i {
  color: var(--color-main);  /* チェックアイコンをメイングリーンに統一 */
  font-size: 0.8rem;
  margin-top: 4px;
  flex-shrink: 0;
}

.industries-note {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-light);
  padding: 20px 24px;
  background: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-section {
  background: var(--color-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.service-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-sub);
  border: 1.5px solid var(--color-sub);
  padding: 3px 10px;
  border-radius: 100px;
  display: inline-block;
  width: fit-content;
}

/* サービスカード上部ライン: すべてメイン系グリーンで統一 */
.service-card-start { border-top: 3px solid var(--color-sub); }
.service-card-pilot {
  border-top: 3px solid var(--color-main);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}
.service-card-pilot .service-card-badge {
  color: var(--color-main);
  border-color: var(--color-main);
}
.service-card-continue { border-top: 3px solid var(--color-sub); }

.service-card-icon {
  width: 52px;
  height: 52px;
  background: rgba(20,58,35,0.08);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-main);
  border: 1px solid rgba(20,58,35,0.1);
}
.service-card-pilot .service-card-icon { background: rgba(20,58,35,0.08); }

.service-card-title {
  font-size: 1.075rem;
  font-weight: 700;
  color: var(--color-main);
  line-height: 1.4;
}

.service-card-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.75;
  flex: 1;
}

.service-card-features {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 0;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}
.service-card-features li {
  font-size: 0.825rem;
  color: var(--color-text);
  padding-left: 16px;
  position: relative;
}
.service-card-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-main);
  font-size: 0.75rem;
}

.service-card-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  display: flex;
  gap: 6px;
  align-items: flex-start;
  line-height: 1.5;
}
.service-card-note i { color: var(--color-sub); flex-shrink: 0; margin-top: 2px; }

.services-cta {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.services-cta p {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

/* ============================================================
   FLOW SECTION
   ============================================================ */
.flow-section {
  background: var(--color-bg-green);
}

.flow-steps {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0;
  justify-content: center;
  margin-bottom: 36px;
}

.flow-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 150px;
  text-align: center;
  padding: 16px 8px;
}

.flow-item-number {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-sub);
  opacity: 0.7;
}

.flow-item-icon {
  width: 60px;
  height: 60px;
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-main);
  box-shadow: var(--shadow-sm);
  transition: background var(--transition), border-color var(--transition);
}
.flow-item:hover .flow-item-icon {
  background: var(--color-main);
  border-color: var(--color-main);
  color: #fff;
}

.flow-item-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-main);
  line-height: 1.4;
}

.flow-item-desc {
  font-size: 0.775rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

.flow-connector {
  display: flex;
  align-items: center;
  padding-top: 44px;
  color: var(--color-border);
  font-size: 0.875rem;
  flex-shrink: 0;
}

.flow-note {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 16px 24px;
  font-size: 0.875rem;
  color: var(--color-text-light);
}
.flow-note i { color: var(--color-sub); flex-shrink: 0; }

/* ============================================================
   PROFILE SECTION
   ============================================================ */
.profile-section {
  background: var(--color-white);
}

.profile-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--color-border);
}

.profile-photo-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.profile-photo-placeholder {
  width: 200px;
  aspect-ratio: 1;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-bg-green), var(--color-border));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 2px dashed var(--color-border);
  overflow: hidden;
  flex-shrink: 0;
}
.profile-photo-inner {
  width: 80px;
  height: 80px;
  background: var(--color-main);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: rgba(255,255,255,0.6);
}
.profile-photo-note {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 0 12px;
}

/* 写真が入った場合のスタイル */
.profile-photo-has-image {
  background: none;
  border: 2px solid var(--color-border);
  padding: 0;
  overflow: hidden;
}
.profile-photo-has-image .profile-photo-inner {
  width: 100%;
  height: 100%;
  background: none;
  border-radius: 0;
  position: relative;
}
.profile-photo-has-image .profile-photo-inner i {
  display: none;
}
.profile-photo-has-image .profile-photo-inner img {
  width: 100%;
  height: 100%;
  max-width: 100%; /* inlineスタイル・フォールバック用 */
  object-fit: cover;
  object-position: center top;
  display: block;
  border-radius: calc(var(--radius-md) - 2px);
}
.profile-photo-has-image + .profile-photo-note,
.profile-photo-has-image .profile-photo-note {
  display: none;
}

.profile-info {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.profile-name-block { display: flex; flex-direction: column; gap: 8px; }

.profile-name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-main);
}

.profile-name-en {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
}

.profile-titles { display: flex; flex-wrap: wrap; gap: 8px; }

.profile-title-badge {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-main);
  background: rgba(20,58,35,0.08);
  border: 1px solid rgba(20,58,35,0.15);
  padding: 4px 12px;
  border-radius: 100px;
}

.profile-bio {
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.profile-bio p {
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--color-text);
}

.profile-credentials { display: flex; flex-direction: column; gap: 10px; }

.credential-item {
  display: flex;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--color-text-light);
  align-items: flex-start;
}
.credential-item i {
  color: var(--color-sub);
  font-size: 0.875rem;
  margin-top: 2px;
  flex-shrink: 0;
  width: 16px;
}

.linkedin-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #0a66c2;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 16px;
  border: 1.5px solid #0a66c2;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.linkedin-link:hover {
  background: #0a66c2;
  color: #fff;
}
.linkedin-link i { font-size: 1.1rem; }

.profile-linkedin {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.linkedin-url-link {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
  word-break: break-all;
  transition: color var(--transition);
}
.linkedin-url-link:hover { color: var(--color-sub); }

/* ============================================================
   FAQ SECTION
   ============================================================ */
.faq-section {
  background: var(--color-bg-green);
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 24px;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
  background: transparent;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}
.faq-question:hover { background: rgba(20,58,35,0.03); }
.faq-question:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}
.faq-question[aria-expanded="true"] { color: var(--color-main); }
.faq-question[aria-expanded="true"] .faq-icon { transform: rotate(180deg); }

.faq-q-label {
  width: 26px;
  height: 26px;
  background: var(--color-main);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  font-style: normal;
  letter-spacing: 0;
}

.faq-question span:not(.faq-q-label) { flex: 1; }

.faq-icon {
  color: var(--color-sub);
  font-size: 0.875rem;
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-answer:not([hidden]) { max-height: 600px; }
.faq-answer[hidden] { display: block !important; max-height: 0; }

.faq-answer-inner {
  display: flex;
  gap: 14px;
  padding: 0 24px 22px;
  align-items: flex-start;
  border-top: 1px solid var(--color-border-light);
  margin-top: -1px;
  padding-top: 18px;
}

.faq-a-label {
  width: 26px;
  height: 26px;
  background: var(--color-sub);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  font-style: normal;
  letter-spacing: 0;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.8;
  flex: 1;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact-section {
  background: var(--color-white);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  align-items: start;
}

/* Form */
.contact-form {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 40px;
  border: 1px solid var(--color-border);
  position: relative; /* honeypot absoluteの基準 */
  overflow: hidden;   /* honeypot要素によるスクロール防止 */
}

.form-group {
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-required {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-error);
  padding: 2px 6px;
  border-radius: 3px;
}
.form-optional {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-weight: 400;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.9375rem;
  color: var(--color-text);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  line-height: 1.5;
  -webkit-appearance: none;
}
.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-main);
  box-shadow: 0 0 0 3px rgba(20,58,35,0.1);
}
.form-input.is-error,
.form-textarea.is-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(192,57,43,0.08);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }

.form-textarea { resize: vertical; min-height: 130px; }

.form-error {
  font-size: 0.78rem;
  color: var(--color-error);
  min-height: 1.2em;
}

.form-group-consent { flex-direction: row; align-items: flex-start; flex-wrap: wrap; }

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--color-text);
  line-height: 1.5;
  flex: 1;
}

.form-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--color-main);
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
}

.form-policy-link {
  color: var(--color-main);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.form-policy-link:hover { color: var(--color-main-light); }

/* Honeypot */
.form-honeypot { position: absolute; left: -9999px; opacity: 0; pointer-events: none; }

.form-submit {
  padding-top: 8px;
}

.btn-submit {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 16px;
}
.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

.form-status {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  display: none;
}
.form-status.success {
  background: rgba(39,174,96,0.1);
  border: 1px solid rgba(39,174,96,0.3);
  color: var(--color-success);
  display: block;
}
.form-status.error {
  background: rgba(192,57,43,0.08);
  border: 1px solid rgba(192,57,43,0.2);
  color: var(--color-error);
  display: block;
}

/* Contact Alt */
.contact-alt-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-alt-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-main);
}

.contact-alt-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

.contact-email-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-main);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 14px 18px;
  background: var(--color-white);
  border: 1.5px solid var(--color-main);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  word-break: break-all;
}
.contact-email-link:hover {
  background: var(--color-main);
  color: #fff;
}
.contact-email-link i { flex-shrink: 0; }

.contact-alt-notes {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.contact-alt-notes p {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.825rem;
  color: var(--color-text-light);
}
.contact-alt-notes i { color: var(--color-sub); font-size: 0.8rem; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { border-top: 1px solid var(--color-border); }

.footer-main {
  background: var(--color-main);
  color: rgba(255,255,255,0.85);
  padding: 56px 0 48px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 48px;
  align-items: start;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo-mark {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
}

.footer-logo-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: #fff;
}

.footer-desc {
  font-size: 0.85rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.65);
  margin-bottom: 20px;
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-contact-info p {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}
.footer-contact-info a {
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
}
.footer-contact-info a:hover { color: #fff; text-decoration: underline; }
.footer-contact-info i { opacity: 0.7; width: 14px; }

.footer-profile {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 4px;
}

.footer-profile-name {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
}

.footer-profile-title {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 12px;
}

.footer-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), border-color var(--transition);
}
.footer-linkedin:hover {
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}

.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-nav-list a {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}
.footer-nav-list a:hover { color: #fff; }

.footer-bottom {
  background: var(--color-main-dark);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-copyright {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
}

.footer-disclaimer {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.6;
  max-width: 720px;
}

.footer-references {
  background: var(--color-main-dark);
  padding: 0 0 16px;
}

.footer-ref-details {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.footer-ref-details summary {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  cursor: pointer;
  padding: 8px 0;
  list-style: none;
}
.footer-ref-details summary::-webkit-details-marker { display: none; }
.footer-ref-details summary::before {
  content: '▸ ';
  font-size: 0.65rem;
}
.footer-ref-details[open] summary::before { content: '▾ '; }

.footer-ref-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 0 4px;
}
.footer-ref-list li { font-size: 0.73rem; color: rgba(255,255,255,0.35); }
.footer-ref-list a {
  color: rgba(255,255,255,0.4);
  text-decoration: underline;
}
.footer-ref-list a:hover { color: rgba(255,255,255,0.6); }

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 24px;
  width: 46px;
  height: 46px;
  background: var(--color-main);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  box-shadow: var(--shadow-md);
  z-index: 800;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
}
.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--color-main-light);
  transform: translateY(-2px);
}
.back-to-top:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

/* ============================================================
   UTILITIES
   ============================================================ */
.br-pc { display: block; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE – Tablet (max 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .header-nav { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: block; }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-visual { justify-content: center; }
  .hero-diagram { max-width: 400px; }

  .value-cards { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }

  .contact-inner { grid-template-columns: 1fr; }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  /* タブレット: industries を縦1列に */
  .industries-grid { grid-template-columns: 1fr; }

  .flow-steps { flex-wrap: wrap; }
  .flow-item { width: 140px; }
}

/* ============================================================
   RESPONSIVE – Mobile (max 768px)
   ============================================================ */
@media (max-width: 768px) {
  :root { --header-height: 64px; }

  .brand-tagline { display: none; }

  /* Hero */
  .hero {
    padding-top: calc(var(--header-height) + 28px);
    padding-bottom: 48px;
  }
  .hero-heading {
    font-size: clamp(1.45rem, 5.5vw, 2rem);
    line-height: 1.45;
  }
  .hero-eyebrow {
    font-size: 0.75rem;
    white-space: normal;
    line-height: 1.5;
  }
  .hero-description {
    font-size: 0.88rem;
    line-height: 1.8;
  }
  .hero-description br { display: none; }
  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-cta .btn { justify-content: center; }

  /* Hero diagram: モバイルでコンパクト表示 */
  .hero-diagram {
    padding: 20px 16px;
    gap: 14px;
  }
  .diagram-icon-wrap { width: 44px; height: 44px; font-size: 1.2rem; }
  .diagram-label-center { font-size: 0.8rem; }
  .diagram-item { padding: 8px 6px; font-size: 0.75rem; }
  .diagram-item i { font-size: 1rem; }
  .diagram-result-box { font-size: 0.8rem; padding: 10px 12px; }

  /* Section headers: モバイルは左寄せに */
  .section-header {
    text-align: left;
  }
  .section-label { margin-bottom: 12px; }
  .section-title {
    font-size: clamp(1.3rem, 5vw, 1.75rem);
    line-height: 1.45;
  }
  .section-subtitle {
    font-size: 0.875rem;
    margin: 0;
    line-height: 1.75;
  }
  /* br-pc非表示でモバイル自然折り返し */
  .br-pc { display: none; }

  /* Problem */
  .problem-grid { grid-template-columns: 1fr; }
  .problem-card { padding: 24px 20px; }
  .card-title-sub {
    display: inline;  /* モバイルは同一行のまま自然折り返し */
    font-size: 0.82rem;
  }

  /* Problem flow */
  .problem-flow {
    flex-direction: column;
    gap: 0;
    padding: 20px 16px;
  }
  .problem-flow .flow-arrow {
    transform: rotate(90deg);
    padding: 4px 0;
    color: var(--color-sub);
    font-size: 0.95rem;
  }
  .problem-flow .flow-step { padding: 12px 12px; }
  .flow-step-label { font-size: 0.78rem; }

  /* Presenteeism */
  .presenteeism-diagram { padding: 20px 14px; }
  .pd-center-label {
    flex-direction: row;
    gap: 10px;
    padding: 14px 16px;
    font-size: 0.875rem;
  }
  .pd-center-label i { font-size: 1.2rem; }
  .pd-causes { gap: 6px; }
  .pd-cause { font-size: 0.78rem; padding: 4px 10px; }
  .pd-effects { gap: 6px; }
  .pd-effect { padding: 12px 10px; min-width: 80px; font-size: 0.75rem; }

  /* Industries */
  .industries-grid { grid-template-columns: 1fr; }
  .industry-card-header { padding: 22px 20px 18px; }

  /* Value cards */
  .value-card { padding: 24px 20px; }
  .value-card-accent { padding: 24px 20px; }

  /* Services */
  .service-card { padding: 24px 20px; }

  /* Flow steps (導入の流れ) */
  .flow-steps {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .flow-item {
    width: 100%;
    flex-direction: row;
    text-align: left;
    gap: 16px;
    padding: 18px 4px;
    border-bottom: 1px solid var(--color-border);
    align-items: center;
  }
  .flow-item:last-child { border-bottom: none; }
  .flow-connector { display: none; }
  .flow-item-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
  }
  .flow-item-number { display: none; }
  .flow-item-text { display: flex; flex-direction: column; gap: 4px; flex: 1; }
  .flow-item-title { font-size: 0.9rem; }
  .flow-item-desc { font-size: 0.8rem; }

  /* Profile */
  .profile-card {
    grid-template-columns: 1fr;
    padding: 24px 20px;
    gap: 24px;
  }
  .profile-photo-area {
    flex-direction: row;
    align-items: flex-start;
    gap: 20px;
    flex-wrap: nowrap;
  }
  .profile-photo-placeholder {
    width: 100px;
    height: 100px;
    aspect-ratio: 1;
    flex-shrink: 0;
    border-radius: var(--radius-md);
  }
  .profile-name { font-size: 1.35rem; }
  .profile-name-block { gap: 6px; }

  /* Contact */
  .contact-form { padding: 22px 18px; }

  /* Footer */
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom-inner { gap: 6px; }

  /* FAQ */
  .faq-question { padding: 18px 16px; font-size: 0.9rem; }
  .faq-answer-inner { padding: 14px 16px 18px; }

  .pm-card {
    flex-direction: row;
    align-items: flex-start;
    gap: 12px;
  }
  .pm-card p { font-size: 0.875rem; }
}

/* ============================================================
   RESPONSIVE – Small Mobile (max 480px)
   ============================================================ */
@media (max-width: 480px) {
  .hero-industries { gap: 5px; }
  .industry-tag { font-size: 0.72rem; padding: 3px 9px; }

  .hero-heading { font-size: 1.4rem; }
  .hero-eyebrow { font-size: 0.7rem; }

  /* 課題フロー: 縦1列 */
  .pd-effects {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }
  .pd-effect {
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: 0;
    padding: 10px 6px;
    font-size: 0.72rem;
  }
  .pd-effect i { font-size: 1rem; }

  .value-card, .service-card { padding: 20px 16px; }

  /* problem-flow: さらに締める */
  .problem-flow { padding: 16px 12px; }
  .flow-step-icon { width: 40px; height: 40px; font-size: 1rem; }
  .flow-step-label { font-size: 0.72rem; }

  /* section title */
  .section-title { font-size: 1.25rem; }
}

/* ============================================================
   PRINT
   ============================================================ */
@media print {
  .site-header, .hamburger, .mobile-menu, .back-to-top { display: none !important; }
  .hero { min-height: auto; padding-top: 24px; }
  body { font-size: 12pt; }
}

/* ============================================================
   FOCUS VISIBLE グローバル強化
   ============================================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ============================================================
   アニメーション軽減（モーション設定尊重）
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}