@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700&display=swap');

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

:root {
  --c-bg:       #F7F6F2;
  --c-bg-alt:   #EDECEA;
  --c-bg-dark:  #111111;
  --c-text:     #111111;
  --c-muted:    #6A6A6A;
  --c-light:    #9E9E9E;
  --c-accent:   #C8102E;
  --c-border:   #DDDBD5;
  --c-white:    #FFFFFF;

  --fs-hero:    clamp(2.5rem, 5.5vw, 5rem);
  --fs-h2:      clamp(1.75rem, 3.2vw, 2.75rem);
  --fs-h3:      clamp(1.125rem, 2vw, 1.5rem);
  --fs-body:    1rem;
  --fs-small:   0.875rem;
  --fs-label:   0.7rem;

  --fw-light:   300;
  --fw-reg:     400;
  --fw-med:     500;
  --fw-bold:    700;

  --max-w:      1200px;
  --pad-x:      clamp(1.25rem, 5vw, 2.5rem);
  --sec-pad:    clamp(5rem, 9vw, 7rem) 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--c-bg);
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: var(--c-bg);
  color: var(--c-text);
  font-size: var(--fs-body);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

.section {
  padding: var(--sec-pad);
}

.section--alt {
  background-color: var(--c-bg-alt);
}

.section--dark {
  background-color: var(--c-bg-dark);
  color: var(--c-white);
}

.sec-header {
  margin-bottom: 3.5rem;
}

.sec-header--center {
  text-align: center;
}

.sec-label {
  display: inline-block;
  font-size: var(--fs-label);
  font-weight: var(--fw-med);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 0.875rem;
}

.sec-title {
  font-size: var(--fs-h2);
  font-weight: var(--fw-bold);
  line-height: 1.25;
  color: var(--c-text);
}

.section--dark .sec-title {
  color: var(--c-white);
}

.sec-subtitle {
  margin-top: 1rem;
  font-size: 1.0625rem;
  color: var(--c-muted);
  max-width: 640px;
}

.section--dark .sec-subtitle {
  color: rgba(255, 255, 255, 0.6);
}

.sec-header--center {
  text-align: center;
}

.sec-header--center .sec-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.divider {
  width: 2.5rem;
  height: 2px;
  background-color: var(--c-accent);
  margin-top: 1.25rem;
}

.sec-header--center .divider {
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8125rem 1.875rem;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: var(--fs-small);
  font-weight: var(--fw-med);
  letter-spacing: 0.06em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  line-height: 1;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--c-accent);
  color: var(--c-white);
  border-color: var(--c-accent);
}

.btn--outline {
  background-color: transparent;
  color: var(--c-text);
  border-color: var(--c-text);
}

.btn--outline-white {
  background-color: transparent;
  color: var(--c-white);
  border-color: var(--c-white);
}

.btn--ghost {
  background-color: transparent;
  color: var(--c-accent);
  border-color: transparent;
  padding-left: 0;
  padding-right: 0;
}

.img-ph {
  background-color: var(--c-bg-alt);
  overflow: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--c-bg);
  border-bottom: 1px solid var(--c-border);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
}

.brand-name {
  font-size: 1.0625rem;
  font-weight: var(--fw-bold);
  color: var(--c-text);
  letter-spacing: 0.04em;
}

.hero {
  padding: 0;
  background-color: var(--c-bg-dark);
  color: var(--c-white);
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 580px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(3rem, 6vw, 5rem) var(--pad-x) clamp(3rem, 6vw, 5rem) var(--pad-x);
  max-width: 620px;
}

.hero-kicker {
  display: inline-block;
  font-size: var(--fs-label);
  font-weight: var(--fw-med);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: var(--fs-hero);
  font-weight: var(--fw-bold);
  line-height: 1.15;
  color: var(--c-white);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 2.5rem;
  line-height: 1.7;
  font-weight: var(--fw-light);
}

.hero-image {
  position: relative;
  background-color: #1C1C1C;
}

.hero-image .img-ph {
  width: 100%;
  height: 100%;
  background-color: #1C1C1C;
}

.mission-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 2px;
  margin-top: 3rem;
  background-color: var(--c-border);
}

.mission-item {
  background-color: var(--c-bg);
  padding: 2.5rem 2rem;
}

.mission-item__num {
  font-size: 2.25rem;
  font-weight: var(--fw-bold);
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 1rem;
}

.mission-item__title {
  font-size: 1rem;
  font-weight: var(--fw-bold);
  color: var(--c-text);
  margin-bottom: 0.625rem;
}

.mission-item__text {
  font-size: var(--fs-small);
  color: var(--c-muted);
  line-height: 1.7;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: var(--c-border);
}

.service-card {
  background-color: var(--c-bg);
  padding: 2.5rem 2rem;
  border-top: 3px solid transparent;
}

.service-card:hover {
  border-top-color: var(--c-accent);
}

.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1.5rem;
  flex-shrink: 0;
}

.service-card__title {
  font-size: 1rem;
  font-weight: var(--fw-bold);
  color: var(--c-text);
  margin-bottom: 0.75rem;
}

.service-card__text {
  font-size: var(--fs-small);
  color: var(--c-muted);
  line-height: 1.7;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: rgba(255,255,255,0.08);
}

.stat-item {
  padding: 3rem 2rem;
  background-color: var(--c-bg-dark);
  text-align: center;
}

.stat-item__num {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--fw-bold);
  color: var(--c-white);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-item__num span {
  color: var(--c-accent);
}

.stat-item__label {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.04em;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3.5rem;
}

.process-step {
  padding: 2.5rem 2rem;
  border: 1px solid var(--c-border);
  position: relative;
}

.process-step__num {
  font-size: 3.5rem;
  font-weight: var(--fw-bold);
  color: var(--c-border);
  line-height: 1;
  margin-bottom: 1.25rem;
}

.process-step__title {
  font-size: 1rem;
  font-weight: var(--fw-bold);
  color: var(--c-text);
  margin-bottom: 0.75rem;
}

.process-step__text {
  font-size: var(--fs-small);
  color: var(--c-muted);
  line-height: 1.7;
}

.process-step__accent {
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background-color: var(--c-accent);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background-color: var(--c-border);
}

.product-card {
  background-color: var(--c-white);
  display: flex;
  flex-direction: column;
}

.product-card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.product-card__img .img-ph {
  width: 100%;
  height: 100%;
}

.product-card__body {
  padding: 1.75rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-card__label {
  font-size: var(--fs-label);
  font-weight: var(--fw-med);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 0.625rem;
}

.product-card__title {
  font-size: 1rem;
  font-weight: var(--fw-bold);
  color: var(--c-text);
  margin-bottom: 0.625rem;
}

.product-card__text {
  font-size: var(--fs-small);
  color: var(--c-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1rem;
}

.product-card__price {
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  color: var(--c-text);
  margin-bottom: 1.25rem;
}

.technology-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.technology-content .sec-subtitle {
  max-width: 100%;
  font-size: 1rem;
}

.tech-points {
  margin-top: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tech-point {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.tech-point__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background-color: var(--c-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tech-point__text {
  font-size: var(--fs-small);
  color: var(--c-muted);
  line-height: 1.7;
}

.tech-point__title {
  font-weight: var(--fw-bold);
  color: var(--c-text);
  font-size: 0.9375rem;
  margin-bottom: 0.25rem;
}

.technology-image {
  aspect-ratio: 5/4;
  overflow: hidden;
}

.technology-image .img-ph {
  width: 100%;
  height: 100%;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.testimonial-card {
  padding: 2.75rem 2.5rem;
  background-color: var(--c-bg-alt);
  border-left: 3px solid var(--c-accent);
}

.testimonial-mark {
  font-size: 3rem;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: 1rem;
  font-weight: var(--fw-bold);
}

.testimonial-text {
  font-size: 1rem;
  color: var(--c-text);
  line-height: 1.8;
  font-weight: var(--fw-light);
  margin-bottom: 2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-author__img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.testimonial-author__name {
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  color: var(--c-text);
}

.testimonial-author__role {
  font-size: 0.8125rem;
  color: var(--c-muted);
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.news-item {
  display: grid;
  grid-template-columns: 160px 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--c-border);
  text-decoration: none;
  color: inherit;
}

.news-item:first-child {
  border-top: 1px solid var(--c-border);
}

.news-item__date {
  font-size: var(--fs-small);
  color: var(--c-muted);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.news-item__cat {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: var(--fw-med);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  border: 1px solid var(--c-accent);
  padding: 0.1875rem 0.5rem;
  margin-right: 1rem;
  vertical-align: middle;
}

.news-item__title {
  font-size: 0.9375rem;
  color: var(--c-text);
  font-weight: var(--fw-reg);
}

.news-item__arrow {
  color: var(--c-accent);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.contacts-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contacts-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.contact-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-item__label {
  font-size: var(--fs-label);
  font-weight: var(--fw-med);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin-bottom: 0.375rem;
}

.contact-item__value {
  font-size: 1.0625rem;
  font-weight: var(--fw-med);
  color: var(--c-text);
  text-decoration: none;
}

.contact-item__value:hover {
  color: var(--c-accent);
}

.contacts-map {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.contacts-map .img-ph {
  width: 100%;
  height: 100%;
}

.site-footer {
  background-color: var(--c-bg-dark);
  color: var(--c-white);
  padding: 3rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.footer-brand-name {
  font-size: 1rem;
  font-weight: var(--fw-bold);
  color: var(--c-white);
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: var(--fs-small);
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.footer-links a:hover {
  color: var(--c-white);
}

.footer-copy {
  width: 100%;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.35);
  text-align: center;
}

.back-to-top {
  display: none;
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background-color: var(--c-accent);
  color: var(--c-white);
  border: none;
  cursor: pointer;
  font-size: 1.25rem;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.back-to-top.visible {
  display: flex;
}

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

  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .technology-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .technology-image {
    order: -1;
  }
}

@media (max-width: 768px) {
  :root {
    --sec-pad: clamp(3rem, 7vw, 5rem) 0;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-image {
    height: 280px;
    order: -1;
  }

  .hero-content {
    padding: 3rem var(--pad-x);
    max-width: 100%;
  }

  .mission-grid {
    grid-template-columns: 1fr;
    gap: 1px;
  }

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

  .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .contacts-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .news-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .news-item__arrow {
    display: none;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    gap: 1.25rem;
  }
}

@media (max-width: 480px) {
  .stats-row {
    grid-template-columns: 1fr;
  }
}

.cookie-banner {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--c-bg-dark);
  color: var(--c-white);
  padding: 1.5rem var(--pad-x);
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.15);
  z-index: 9999;
}

.cookie-banner.active {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cookie-banner__text {
  flex: 1;
  min-width: 250px;
  font-size: var(--fs-small);
  line-height: 1.6;
}

.cookie-banner__text p {
  margin: 0;
}

.cookie-banner__text strong {
  font-weight: var(--fw-med);
}

.cookie-banner__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-banner__btn {
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-small);
  border: none;
  cursor: pointer;
  border-radius: 2px;
  font-weight: var(--fw-med);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.cookie-banner__btn--accept {
  background-color: var(--c-accent);
  color: var(--c-white);
}

.cookie-banner__btn--accept:hover {
  background-color: #A00026;
}

.cookie-banner__btn--reject {
  background-color: transparent;
  color: var(--c-white);
  border: 1px solid var(--c-white);
}

.cookie-banner__btn--reject:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
  .cookie-banner.active {
    flex-direction: column;
    align-items: flex-start;
  }

  .cookie-banner__actions {
    width: 100%;
  }

  .cookie-banner__btn {
    flex: 1;
    min-width: 120px;
  }
}