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

:root {
  --teal:       #1A7A6E;
  --teal-dark:  #14655B;
  --teal-light: #E6F4F2;
  --sand:       #F7F4EF;
  --charcoal:   #1E2A28;
  --mid-gray:   #6B7B78;
  --border:     #D9E4E2;
  --white:      #FFFFFF;
  --radius:     6px;
  --font-jp:    'Noto Sans JP', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-jp);
  background: var(--white);
  color: var(--charcoal);
  line-height: 1.7;
  font-size: 15px;
}

h1, h2, h3, h4 { line-height: 1.3; color: var(--charcoal); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p  { color: var(--mid-gray); line-height: 1.75; }

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section-title { text-align: center; margin-bottom: 12px; }
.section-sub   { text-align: center; color: var(--mid-gray); font-size: 0.95rem; margin-bottom: 48px; max-width: 580px; margin-left: auto; margin-right: auto; }
.tag { display: inline-block; background: var(--teal-light); color: var(--teal-dark); font-size: 0.75rem; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase; padding: 4px 12px; border-radius: 20px; margin-bottom: 14px; }
.btn { display: inline-block; padding: 12px 28px; border-radius: var(--radius); font-size: 0.9rem; font-weight: 600; cursor: pointer; text-decoration: none; border: none; }
.btn-primary   { background: var(--teal); color: var(--white); }
.btn-primary:hover { background: var(--teal-dark); }
.btn-outline   { background: transparent; color: var(--teal); border: 2px solid var(--teal); }
.btn-outline:hover { background: var(--teal); color: var(--white); }

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand img { width: 48px; height: 48px; }
.brand-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--teal);
  letter-spacing: -0.5px;
}
.brand-name span { color: var(--charcoal); }
.header-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.header-phone {
  font-weight: 700;
  color: var(--teal);
  font-size: 1rem;
  text-decoration: none;
  letter-spacing: 0.03em;
}
.header-phone:hover { color: var(--teal-dark); }

.hero {
  background: var(--sand);
  padding: 80px 0 72px;
}
.hero-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}
.hero-text { flex: 1 1 400px; }
.hero-text h1 { margin-bottom: 20px; }
.hero-text p  { font-size: 1.05rem; margin-bottom: 32px; max-width: 500px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-img {
  flex: 1 1 300px;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: contain;
}
.hero-img .placeholder-img {
  width: 100%;
  min-height: 360px;
  background: #D6E8E5;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--mid-gray);
  letter-spacing: 0.05em;
}

.stats {
  background: var(--teal);
  padding: 44px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  text-align: center;
}
.stat-item h3 { font-size: 2rem; color: var(--white); margin-bottom: 4px; }
.stat-item p  { color: rgba(255,255,255,0.75); font-size: 0.88rem; }

.categories { padding: 80px 0; background: var(--white); text-align: center; }
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}
.cat-card {
  background: var(--teal-light);
  border-radius: 10px;
  padding: 32px 20px 24px;
  text-align: center;
}
.cat-card .cat-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cat-card h3 { font-size: 0.95rem; color: var(--charcoal); }

.how-it-works { padding: 80px 0; background: var(--sand); text-align: center; }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 32px;
}
.step-item { text-align: center; }
.step-num {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
}
.step-item h3 { margin-bottom: 8px; }

.products { padding: 80px 0; background: var(--white); text-align: center; }
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.product-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: var(--white);
}
.product-img {
  background: var(--teal-light);
  border-radius: var(--radius);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 16px;
}

.product-img img {
  max-width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: contain;
}
.product-body { padding: 20px; }
.product-body h3 { margin-bottom: 8px; font-size: 1rem; }
.product-body p  { font-size: 0.88rem; margin-bottom: 18px; }
.product-price { font-size: 1.1rem; font-weight: 700; color: var(--teal); margin-bottom: 16px; }
.product-body .btn { width: 100%; text-align: center; }

.why-us { padding: 80px 0; background: var(--teal-light); text-align: center; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 28px;
}
.why-card {
  background: var(--white);
  border-radius: 10px;
  padding: 28px 24px;
}
.why-icon {
  width: 44px; height: 44px;
  background: var(--teal-light);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.why-card h3 { margin-bottom: 8px; }

.about-teaser { padding: 80px 0; background: var(--white); text-align: center; }
.about-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 64px;
  flex-wrap: wrap;
}
.about-img-wrap {
  flex: 1 1 300px;
  min-height: 300px;
  border-radius: var(--radius);
  overflow: hidden;
}

.about-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.about-img-wrap .placeholder-img {
  width: 100%; min-height: 300px;
  background: #D6E8E5;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; color: var(--mid-gray); letter-spacing: 0.05em;
}
.about-text { flex: 1 1 340px; }
.about-text h2 { margin-bottom: 16px; }
.about-text p  { margin-bottom: 28px; }

.testimonials { padding: 80px 0; background: var(--sand); text-align: center; }
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.testi-card {
  background: var(--white);
  border-radius: 10px;
  padding: 28px 24px;
  border-left: 4px solid var(--teal);
}
.testi-quote { font-size: 0.95rem; margin-bottom: 18px; color: var(--charcoal); line-height: 1.7; }
.testi-author { font-size: 0.85rem; font-weight: 700; color: var(--teal-dark); }

.tips { padding: 80px 0; background: var(--white); text-align: center; }
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.tip-card { border-radius: 10px; overflow: hidden; border: 1px solid var(--border); }
.tip-img {
  background: var(--teal-light);
  border-radius: var(--radius);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 16px;
}

.tip-img img {
  max-width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
}
.tip-body { padding: 20px; }
.tip-body h3 { font-size: 0.95rem; margin-bottom: 8px; }
.tip-body p  { font-size: 0.85rem; }

.contacts { padding: 80px 0; background: var(--teal-light); }
.contacts-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
  flex-wrap: wrap;
}
@media (max-width: 700px) { .contacts-inner { grid-template-columns: 1fr; } }
.contacts-info h2 { margin-bottom: 24px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 24px;
}
.contact-icon {
  width: 40px; height: 40px; min-width: 40px;
  background: var(--teal);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
}
.contact-icon svg { width: 20px; height: 20px; }
.contact-item h4 { font-size: 0.8rem; color: var(--mid-gray); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 3px; }
.contact-item a, .contact-item p { color: var(--charcoal); text-decoration: none; font-size: 0.95rem; font-weight: 500; line-height: 1.5; }
.contact-item a:hover { color: var(--teal); }
.contacts-map {
  border-radius: 10px;
  min-height: 280px;
  overflow: hidden;
  flex: 1 1 280px;
}

.contacts-map img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.75);
  padding: 48px 0 28px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 48px;
  margin-bottom: 36px;
  align-items: start;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-brand .brand-name { color: var(--white); }
.footer-brand p { font-size: 0.88rem; margin-top: 12px; line-height: 1.6; }

.footer-col h4 { color: var(--white); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.07em; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.65); text-decoration: none; font-size: 0.88rem; }
.footer-col ul li a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p { font-size: 0.8rem; margin: 0; }

@media (max-width: 900px) {
  .footer-content { grid-template-columns: 1fr; gap: 32px; }
  .footer-nav { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}

@media (max-width: 600px) {
  .footer-nav { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .hero-inner { flex-direction: column; }
  .about-inner { flex-direction: column; }
  .header-inner { justify-content: center; text-align: center; }
  .hero-text h1 { text-align: center; }
  .hero-text p  { text-align: center; }
  .hero-actions { justify-content: center; }
}