:root {
  --primary:    #1C3557;
  --accent:     #F5821F;
  --text:       #2D2D2D;
  --text-muted: #6B7280;
  --bg:         #FFFFFF;
  --bg-alt:     #F7F8FA;
  --border:     #E5E7EB;
  --white:      #FFFFFF;
  --footer-bg:  #0f2035;
  --font: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic Medium",
          "Yu Gothic", "Meiryo", "MS PGothic", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { font-size: 16px; }
body  {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}
img   { max-width: 100%; height: auto; display: block; }
a     { color: inherit; text-decoration: none; }
ul    { list-style: none; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; }

.section-label {
  display: inline-block;
  background: var(--accent);
  color: var(--white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.25rem 0.8rem;
  border-radius: 2px;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.section-header .section-label { margin-bottom: 0.85rem; }

.section-title {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 0.65rem;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section       { padding: 5rem 0; }
.section--alt  { background: var(--bg-alt); }
.section--dark { background: var(--primary); color: var(--white); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.75rem;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary { background: var(--accent); color: var(--white); border-color: var(--accent); }
.btn--outline { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn--white   { background: var(--white); color: var(--primary); border-color: var(--white); }
.btn--sm      { padding: 0.5rem 1.2rem; font-size: 0.875rem; }

.photo-ph {
  background: var(--bg-alt);
  border: 2px dashed var(--border);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  color: #9CA3AF;
  font-size: 0.8rem;
}
.photo-ph svg { width: 36px; height: 36px; opacity: 0.45; fill: currentColor; }

.site-header {
  background: var(--primary);
  padding: 1.25rem 0;
}
.site-header__inner { display: flex; align-items: center; }

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.site-logo__img  { width: 48px; height: 48px; flex-shrink: 0; }
.site-logo__name {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--white);
  letter-spacing: -0.02em;
}
.site-logo__name span { color: var(--accent); }

.hero {
  background: var(--primary);
  padding: 4.5rem 0 5.5rem;
  color: var(--white);
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(245,130,31,0.18);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.85rem;
  border-radius: 100px;
  margin-bottom: 1.25rem;
}
.hero__title {
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 1.2rem;
}
.hero__title span { color: var(--accent); }
.hero__text {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.75;
  margin-bottom: 1.75rem;
}
.hero__phone {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 2rem;
}
.hero__phone svg { fill: currentColor; width: 22px; height: 22px; flex-shrink: 0; }
.hero__phone a   { color: inherit; }
.hero__actions   { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero__visual { display: flex; align-items: center; justify-content: center; }
.hero__visual .photo-ph {
  width: 100%;
  aspect-ratio: 4/3;
  border-color: rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.3);
}
.hero__visual .photo-ph svg { opacity: 0.35; }

.about-intro__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-intro__photo.photo-ph { aspect-ratio: 4/3; }
.about-intro__body .section-label  { margin-bottom: 0.85rem; }
.about-intro__title {
  font-size: 1.9rem;
  color: var(--primary);
  margin-bottom: 1rem;
}
.about-intro__text {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0.85rem;
}
.about-intro__stats {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1rem;
  margin-top: 1.75rem;
}
.stat-item {
  text-align: center;
  padding: 1.1rem 0.75rem;
  background: var(--bg-alt);
  border-radius: 8px;
  border: 1px solid var(--border);
}
.stat-item__value { display: block; font-size: 1.9rem; font-weight: 900; color: var(--accent); }
.stat-item__label { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.2rem; }

.features__grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1.5rem;
}
.feature-card {
  background: var(--bg);
  padding: 2rem 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  text-align: center;
}
.feature-card__icon {
  width: 56px; height: 56px;
  background: rgba(245,130,31,0.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
}
.feature-card__icon svg { width: 28px; height: 28px; fill: var(--accent); }
.feature-card__title { font-size: 1rem; color: var(--primary); margin-bottom: 0.5rem; }
.feature-card__text  { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; }

.categories__grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1.5rem;
}
.category-card {
  padding: 2rem 1.5rem;
  text-align: center;
  border-radius: 8px;
  border: 2px solid transparent;
}
.category-card:nth-child(1) { background: #EEF2FF; border-color: #C7D2FE; }
.category-card:nth-child(2) { background: #FFF7ED; border-color: #FED7AA; }
.category-card:nth-child(3) { background: #ECFDF5; border-color: #A7F3D0; }
.category-card:nth-child(4) { background: #FFF1F0; border-color: #FFC9C7; }
.category-card__icon {
  width: 64px; height: 64px;
  margin: 0 auto 1rem;
  display: flex; align-items: center; justify-content: center;
}
.category-card__icon svg   { width: 52px; height: 52px; }
.category-card__title { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 0.4rem; }
.category-card__text  { font-size: 0.82rem; color: var(--text-muted); line-height: 1.55; }

.products__grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 2rem;
}
.product-card {
  background: var(--bg);
  border-radius: 8px;
  border: 1px solid var(--border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.product-card__photo {
  aspect-ratio: 4/3;
  border-bottom: 1px solid var(--border);
}
.product-card__photo.photo-ph { border-radius: 0; }
.product-card__body   { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.product-card__tag    { font-size: 0.72rem; color: var(--accent); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 0.4rem; }
.product-card__name   { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 0.5rem; }
.product-card__text   { font-size: 0.85rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 1rem; flex: 1; }
.product-card__price  { font-size: 1.35rem; font-weight: 900; color: var(--primary); margin-bottom: 1.1rem; }
.product-card__price small { font-size: 0.8rem; font-weight: 400; color: var(--text-muted); }

.services__grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 2rem;
}
.service-card {
  padding: 2rem;
  background: var(--bg-alt);
  border-radius: 8px;
  border-left: 4px solid var(--accent);
}
.service-card__icon {
  width: 48px; height: 48px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.service-card__icon svg   { width: 24px; height: 24px; fill: var(--white); }
.service-card__title { font-size: 1.05rem; font-weight: 700; color: var(--primary); margin-bottom: 0.6rem; }
.service-card__text  { font-size: 0.875rem; color: var(--text-muted); line-height: 1.75; }

.process { background: var(--primary); padding: 5rem 0; color: var(--white); }
.process .section-title    { color: var(--white); }
.process .section-subtitle { color: rgba(255,255,255,0.6); }

.process__grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 2rem;
  position: relative;
}
.process__grid::before {
  content: '';
  position: absolute;
  top: 1.6rem;
  left: calc(50%/3 + 1.5rem);
  right: calc(50%/3 + 1.5rem);
  height: 2px;
  background: rgba(245,130,31,0.35);
}
.process-step { text-align: center; }
.process-step__num {
  width: 52px; height: 52px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; font-weight: 900; color: var(--white);
  margin: 0 auto 1.5rem;
  position: relative; z-index: 1;
}
.process-step__title { font-size: 1.05rem; font-weight: 700; color: var(--white); margin-bottom: 0.5rem; }
.process-step__text  { font-size: 0.875rem; color: rgba(255,255,255,0.6); line-height: 1.65; }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 2rem;
}
.testimonial-card {
  background: var(--bg);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.testimonial-card__stars { display: flex; gap: 0.2rem; margin-bottom: 1rem; }
.testimonial-card__stars svg { width: 18px; height: 18px; fill: var(--accent); }
.testimonial-card__stars svg.dim { fill: #D1D5DB; }
.testimonial-card__text {
  font-size: 0.9rem; color: var(--text);
  line-height: 1.75; margin-bottom: 1.5rem;
  font-style: italic;
}
.testimonial-card__author  { display: flex; align-items: center; gap: 0.75rem; }
.testimonial-card__avatar  {
  width: 42px; height: 42px;
  border-radius: 50%; background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-weight: 700; font-size: 1rem;
  flex-shrink: 0;
}
.testimonial-card__name { font-weight: 700; font-size: 0.9rem; color: var(--primary); }
.testimonial-card__role { font-size: 0.78rem; color: var(--text-muted); }

.faq__list { max-width: 780px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 0.85rem;
  overflow: hidden;
}
.faq-item__q {
  padding: 1.2rem 1.5rem;
  font-weight: 700;
  font-size: 0.975rem;
  color: var(--primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--bg);
  user-select: none;
}
.faq-item__q:hover { background: var(--bg-alt); }
.faq-item__icon { width: 22px; height: 22px; flex-shrink: 0; fill: var(--accent); }
.faq-item__a {
  display: none;
  padding: 1.25rem 1.5rem;
  background: var(--bg-alt);
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
  border-top: 1px solid var(--border);
}
.faq-item.open .faq-item__a { display: block; }

.contacts { background: var(--primary); padding: 5rem 0; color: var(--white); }
.contacts .section-title    { color: var(--white); }
.contacts .section-subtitle { color: rgba(255,255,255,0.6); }

.contacts__grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 1.5rem;
}
.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 2.5rem 1.75rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
}
.contact-item__icon {
  width: 56px; height: 56px;
  background: var(--accent);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
}
.contact-item__icon svg { width: 26px; height: 26px; fill: var(--white); }
.contact-item__label {
  font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.12em; color: var(--accent);
  font-weight: 700; margin-bottom: 0.5rem;
}
.contact-item__value { font-size: 1.05rem; font-weight: 700; color: var(--white); line-height: 1.55; }
.contact-item__value a { color: var(--white); }
.contact-item__sub { font-size: 0.8rem; color: rgba(255,255,255,0.45); margin-top: 0.3rem; }

.site-footer { background: var(--footer-bg); padding: 3rem 0 1rem; }
.site-footer__inner {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 2.5rem;
  margin-bottom: 2rem;
}
.site-footer__section { display: flex; flex-direction: column; gap: 0.75rem; }
.site-footer__section--brand { grid-column: 1 / 2; }
.site-logo--footer { display: flex; align-items: center; gap: 0.6rem; width: fit-content; }
.site-footer__logo  { width: 34px; height: 34px; }
.site-footer__name  { font-size: 1rem; font-weight: 700; color: var(--white); }
.site-footer__name span { color: var(--accent); }
.site-footer__desc { font-size: 0.82rem; color: rgba(255,255,255,0.65); line-height: 1.5; margin-top: 0.5rem; }

.site-footer__heading { font-size: 0.85rem; font-weight: 700; color: var(--white); text-transform: uppercase; letter-spacing: 0.05em; }
.site-footer__list { display: flex; flex-direction: column; gap: 0.5rem; }
.site-footer__list a { font-size: 0.82rem; color: rgba(255,255,255,0.65); }
.site-footer__list a:hover { color: var(--accent); }
.site-footer__list--contact a { display: flex; align-items: center; }

.site-footer__bottom { 
  padding-top: 1.5rem; 
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center; 
  font-size: 0.78rem; 
  color: rgba(255,255,255,0.45); 
}

.section-header { text-align: center; }
.about-intro__inner { display: grid; grid-template-columns: 1fr; gap: 2rem; align-items: center; justify-items: center; }
.about-intro__photo { max-width: 500px; margin: 0 auto; }
.about-intro__body { max-width: 600px; margin: 0 auto; text-align: center; }

.features__grid { justify-items: center; }
.feature-card { max-width: 280px; }

.categories__grid { justify-items: center; }
.category-card { max-width: 280px; }

.products__grid { justify-items: center; }
.product-card { max-width: 380px; }

.services__grid { justify-items: center; }
.service-card { max-width: 360px; }

.testimonials__grid { justify-items: center; }
.testimonial-card { max-width: 360px; }

.faq__list { text-align: center; }

@media (max-width: 1024px) {
  .features__grid   { grid-template-columns: repeat(2,1fr); }
  .categories__grid { grid-template-columns: repeat(2,1fr); }
  .products__grid   { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 768px) {
  .section { padding: 3rem 0; }
  .hero { padding: 2.5rem 0 3.5rem; }
  .hero__inner         { grid-template-columns: 1fr; gap: 2rem; }
  .hero__title         { font-size: 2rem; }
  .about-intro__inner  { grid-template-columns: 1fr; gap: 2rem; }
  .features__grid      { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .categories__grid    { grid-template-columns: 1fr 1fr; gap: 1rem; }
  .products__grid      { grid-template-columns: 1fr; }
  .services__grid      { grid-template-columns: 1fr; }
  .process__grid       { grid-template-columns: 1fr; }
  .process__grid::before { display: none; }
  .testimonials__grid  { grid-template-columns: 1fr; }
  .contacts__grid      { grid-template-columns: 1fr; }
  .section-title       { font-size: 1.55rem; }
  .site-footer__inner  { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .about-intro__stats  { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 480px) {
  .features__grid   { grid-template-columns: 1fr; }
  .categories__grid { grid-template-columns: 1fr; }
  .about-intro__stats { grid-template-columns: 1fr 1fr; }
  .hero__title { font-size: 1.65rem; }
  .hero__actions { flex-direction: column; }
  .btn { justify-content: center; }
}