:root {
  --c-bg:      #F5FAF8;
  --c-fg:      #1A2E27;
  --c-muted:   #5A7A6E;
  --c-accent:  #2E8B6E;
  --c-surface: #FFFFFF;
  --c-alt:     #EAF4F0;
  --c-border:  #C8DDD6;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 7rem;

  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;

  --font-display: 'Noto Serif JP', Georgia, serif;
  --font-body:    'Noto Sans JP', 'Hiragino Sans', Arial, sans-serif;

  --max-w: 1100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--c-bg);
  color: var(--c-fg);
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1vw + 0.5rem, 1.05rem);
  line-height: 1.75;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: 90%;
  max-width: var(--max-w);
  margin-inline: auto;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw + 0.8rem, 2.4rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-fg);
  margin-bottom: var(--space-3);
}
.section-lead {
  font-size: clamp(1rem, 1vw + 0.5rem, 1.1rem);
  color: var(--c-muted);
  max-width: 600px;
  line-height: 1.8;
}
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--c-accent);
  color: var(--c-surface);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid var(--c-accent);
  cursor: pointer;
}
.btn-outline {
  background: transparent;
  color: var(--c-accent);
}
.img-placeholder {
  background: var(--c-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: var(--space-2) 0;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.header-logo {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}
.header-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-fg);
  letter-spacing: 0.02em;
}

.hero {
  background: var(--c-surface);
  padding: var(--space-6) 0 var(--space-5);
  text-align: center;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw + 1rem, 3.4rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--c-fg);
  margin-bottom: var(--space-3);
}
.hero-sub {
  font-size: clamp(1rem, 1.2vw + 0.5rem, 1.2rem);
  color: var(--c-muted);
  max-width: 560px;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  line-height: 1.8;
}
.hero-cta {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}
.hero-image {
  width: 100%;
  max-width: 820px;
  height: clamp(240px, 40vw, 480px);
  margin-inline: auto;
  object-fit: cover;
  display: block;
}

.intro {
  background: var(--c-alt);
  padding: var(--space-5) 0;
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  align-items: center;
}
.intro-image {
  width: 100%;
  height: 100%;
  min-height: clamp(220px, 28vw, 400px);
  object-fit: cover;
  display: block;
}
.intro-body .section-lead { max-width: 100%; }

.features {
  background: var(--c-surface);
  padding: var(--space-5) 0;
  text-align: center;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.feature-card {
  z-index: 10;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-3);
  box-shadow: 0 2px 12px rgba(46,139,110,0.07);
}
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--c-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-2);
}
.feature-icon svg { width: 24px; height: 24px; stroke: var(--c-accent); fill: none; stroke-width: 2; }
.feature-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-fg);
  margin-bottom: var(--space-1);
}
.feature-desc { font-size: 0.9rem; color: var(--c-muted); line-height: 1.7; }

.how {
  background: var(--c-alt);
  padding: var(--space-5) 0;
  text-align: center;
}
.how-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.step {
  position: relative;
}
.step-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--c-border);
  line-height: 1;
  margin-bottom: var(--space-1);
}
.step-title {
  font-weight: 700;
  color: var(--c-fg);
  font-size: 0.95rem;
  margin-bottom: var(--space-1);
}
.step-desc { font-size: 0.85rem; color: var(--c-muted); line-height: 1.7; }

.products {
  background: var(--c-surface);
  padding: var(--space-5) 0;
}
.products-header { text-align: center; margin-bottom: var(--space-4); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.product-card {
  z-index: 10;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 14px rgba(46,139,110,0.08);
  background: var(--c-surface);
  display: flex;
  flex-direction: column;
}
.product-img {
  width: 100%;
  height: 180px;
}
.product-body { padding: var(--space-3); flex: 1; display: flex; flex-direction: column; }
.product-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-fg);
  margin-bottom: var(--space-1);
}
.product-desc { font-size: 0.85rem; color: var(--c-muted); flex: 1; margin-bottom: var(--space-2); line-height: 1.65; }
.product-price {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-accent);
  margin-bottom: var(--space-2);
}
.product-cta {
  display: block;
  text-align: center;
  padding: 0.6rem 1rem;
  background: var(--c-accent);
  color: var(--c-surface);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.88rem;
}

.benefits {
  background: var(--c-alt);
  padding: var(--space-5) 0;
}
.benefits-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: center;
}
.benefits-image {
  width: 100%;
  height: clamp(260px, 30vw, 420px);
  order: 2;
  object-fit: cover;
  display: block;
}
.benefits-content { order: 1; }
.benefits-list { margin-top: var(--space-3); }
.benefits-list li {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  margin-bottom: var(--space-2);
  font-size: 0.95rem;
  color: var(--c-fg);
}
.benefit-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-accent);
  flex-shrink: 0;
  margin-top: 0.55rem;
}

.metrics {
  background: var(--c-fg);
  color: var(--c-surface);
  padding: var(--space-5) 0;
  text-align: center;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.metric-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw + 1rem, 3rem);
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: var(--space-1);
}
.metric-label { font-size: 0.88rem; color: #A8C4BB; line-height: 1.5; }

.case-study {
  background: var(--c-surface);
  padding: var(--space-5) 0;
}
.case-study-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  align-items: center;
}
.case-study-image {
  width: 100%;
  height: clamp(240px, 28vw, 400px);
  object-fit: cover;
  display: block;
}
.case-study-quote {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.4rem);
  color: var(--c-fg);
  line-height: 1.7;
  border-left: 3px solid var(--c-accent);
  padding-left: var(--space-3);
  margin-bottom: var(--space-3);
}
.case-study-author { font-size: 0.88rem; color: var(--c-muted); }

.testimonials {
  background: var(--c-alt);
  padding: var(--space-5) 0;
}
.testimonials-header { text-align: center; margin-bottom: var(--space-4); }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}
.testimonial-card {
  z-index: 10;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: 0 2px 12px rgba(46,139,110,0.06);
}
.testimonial-text {
  font-size: 0.92rem;
  color: var(--c-fg);
  line-height: 1.75;
  margin-bottom: var(--space-2);
}
.testimonial-author { font-size: 0.82rem; font-weight: 700; color: var(--c-accent); }
.testimonial-role { font-size: 0.78rem; color: var(--c-muted); }

.faq {
  background: var(--c-surface);
  padding: var(--space-5) 0;
}
.faq-header { text-align: center; margin-bottom: var(--space-4); }
.faq-list { max-width: 760px; margin-inline: auto; }
.faq-item {
  border-bottom: 1px solid var(--c-border);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-3) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-fg);
  gap: var(--space-2);
}
.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border: 2px solid var(--c-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-accent);
  font-size: 1rem;
  line-height: 1;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  font-size: 0.93rem;
  color: var(--c-muted);
  line-height: 1.75;
  padding: 0;
}
.faq-answer.open {
  max-height: 400px;
  padding-bottom: var(--space-3);
}

.contact {
  background: var(--c-alt);
  padding: var(--space-5) 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}
.contact-info-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-fg);
  margin-bottom: var(--space-3);
}
.contact-info-item {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  margin-bottom: var(--space-3);
  font-size: 0.95rem;
  color: var(--c-fg);
}
.contact-info-icon {
  width: 38px;
  height: 38px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-info-icon svg { width: 18px; height: 18px; stroke: var(--c-accent); fill: none; stroke-width: 2; }
.contact-form { display: flex; flex-direction: column; gap: var(--space-2); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-label { font-size: 0.82rem; font-weight: 700; color: var(--c-fg); }
.form-input,
.form-textarea {
  padding: 0.7rem 1rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  background: var(--c-surface);
  color: var(--c-fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
}
.form-input:focus,
.form-textarea:focus { border-color: var(--c-accent); }
.form-textarea { resize: vertical; min-height: 110px; }

.site-footer {
  background: var(--c-fg);
  color: #A8C4BB;
  padding: var(--space-4) 0 var(--space-3);
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid rgba(168,196,187,0.2);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.footer-logo { width: 32px; height: 32px; }
.footer-brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--c-surface);
  font-size: 1rem;
}
.footer-desc { font-size: 0.85rem; line-height: 1.7; }
.footer-col-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-surface);
  margin-bottom: var(--space-2);
}
.footer-links { display: flex; flex-direction: column; gap: var(--space-1); }
.footer-links a { font-size: 0.88rem; color: #A8C4BB; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  font-size: 0.78rem;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.footer-bottom-links { display: flex; gap: var(--space-3); }
.footer-bottom-links a { font-size: 0.78rem; color: #A8C4BB; }

.cookie-banner {
  position: fixed;
  bottom: var(--space-3);
  left: var(--space-3);
  right: var(--space-3);
  z-index: 1000;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  box-shadow: 0 6px 32px rgba(26,46,39,0.14);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.cookie-text { font-size: 0.88rem; color: var(--c-muted); flex: 1; }
.cookie-text a { color: var(--c-accent); text-decoration: underline; }
.cookie-actions { display: flex; gap: var(--space-2); flex-shrink: 0; }
.cookie-accept {
  padding: 0.55rem 1.4rem;
  background: var(--c-accent);
  color: var(--c-surface);
  border: none;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
}
.cookie-decline {
  padding: 0.55rem 1.4rem;
  background: none;
  color: var(--c-muted);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  cursor: pointer;
}
.cookie-banner.hidden { display: none; }

@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); }
  .how-steps { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  :root {
    --space-5: 2.5rem;
    --space-6: 3.5rem;
  }
  .intro-grid { grid-template-columns: 1fr; }
  .intro-image { height: 220px; }
  .features-grid { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: 1fr; }
  .benefits-split { grid-template-columns: 1fr; }
  .benefits-image { order: 1; }
  .benefits-content { order: 2; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .case-study-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cookie-banner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, [tabindex]:focus-visible { outline: 2px solid currentColor; outline-offset: 2px; }

.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cookie-content{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);flex-wrap:wrap;width:100%}.cookie-btn{padding:0.55rem 1.4rem;border-radius:var(--radius-md);font-weight:700;font-size:0.88rem;cursor:pointer;font-family:var(--font-body);border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-fg)}.cookie-modal{position:fixed;inset:0;z-index:1100;display:none;align-items:center;justify-content:center;padding:var(--space-3)}.cookie-modal.open{display:flex}.modal-overlay{position:absolute;inset:0;background:color-mix(in srgb, var(--c-fg) 55%, transparent)}.modal-box{position:relative;z-index:1;background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius-lg);box-shadow:0 12px 48px rgba(26,46,39,0.22);width:100%;max-width:520px;max-height:90vh;overflow-y:auto;display:flex;flex-direction:column}.modal-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-bottom:1px solid var(--c-border)}.modal-header h2{font-family:var(--font-display);font-size:1.25rem;font-weight:700;color:var(--c-fg)}.modal-close-btn{background:none;border:none;cursor:pointer;font-size:1.5rem;line-height:1;color:var(--c-muted);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm)}.modal-body{padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-3);font-size:0.92rem;color:var(--c-fg);line-height:1.7}.cat-label{font-weight:700;color:var(--c-fg);font-size:0.95rem;margin-left:0.4rem}.modal-footer{display:flex;justify-content:flex-end;gap:var(--space-2);padding:var(--space-3) var(--space-4);border-top:1px solid var(--c-border);flex-wrap:wrap}@media (max-width:640px){.cookie-content{flex-direction:column;align-items:flex-start}.modal-footer{justify-content:stretch}.modal-footer .cookie-btn{flex:1}}

.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}











/* wh-elem-contrast */
/* Auto: element text failed 4.5:1 against its resolved background. */
.page-banner .page-label { color: #27765e !important; }
.cookie-category .cat-desc { color: #567469 !important; }

/* wh-img-fill */
.product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}