:root {
  --navy: #15385f;
  --navy-dark: #0b223d;
  --green: #1f7a5a;
  --green-soft: #e8f4ef;
  --beige: #efe7d6;
  --sand: #faf7f0;
  --orange: #d88b38;
  --text: #1d2939;
  --muted: #667085;
  --line: #e4e7ec;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(21, 56, 95, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", system-ui, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.8;
}

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

img,
svg {
  max-width: 100%;
}

img {
  display: block;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  padding: 92px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 36px;
}

.section-heading h2,
.marketing-panel h2,
.contact-copy h2 {
  margin: 0 0 14px;
  color: var(--navy-dark);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  line-height: 1.35;
}

.section-heading p,
.marketing-panel p,
.contact-copy p {
  color: var(--muted);
  margin: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 2px;
  background: var(--green);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  padding: 12px 22px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: var(--white);
  background: var(--green);
  box-shadow: 0 10px 24px rgba(31, 122, 90, 0.22);
}

.button.secondary {
  color: var(--navy);
  background: var(--white);
  border-color: var(--line);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(228, 231, 236, 0.8);
}

.header-inner {
  width: min(1180px, calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--navy-dark);
  font-weight: 800;
  white-space: nowrap;
}

.logo-mark {
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 6px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--green));
  font-size: 1rem;
}

.global-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--navy-dark);
  font-size: 0.94rem;
  font-weight: 700;
}

.global-nav a:not(.nav-cta):hover,
.footer-nav a:hover {
  color: var(--green);
}

.nav-cta {
  min-height: 42px;
  padding: 8px 16px;
  border-radius: 6px;
  color: var(--white);
  background: var(--navy);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  padding: 10px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--navy);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero {
  min-height: calc(100vh - 76px);
  display: grid;
  align-items: center;
  background:
    linear-gradient(120deg, rgba(232, 244, 239, 0.9), rgba(255, 255, 255, 0.78) 45%),
    linear-gradient(180deg, var(--sand), var(--white));
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.9fr);
  align-items: center;
  gap: 56px;
}

.hero-copy h1 {
  margin: 0 0 22px;
  color: var(--navy-dark);
  font-size: clamp(2.2rem, 5vw, 4.6rem);
  line-height: 1.18;
}

.hero-lead {
  max-width: 640px;
  margin: 0 0 30px;
  color: #42526b;
  font-size: 1.08rem;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  min-height: 540px;
}

.photo-card {
  position: absolute;
  border: 1px solid rgba(228, 231, 236, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin: 0;
}

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

.photo-card figcaption {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--white);
  background: rgba(11, 34, 61, 0.78);
  font-size: 0.72rem;
  font-weight: 800;
}

.photo-main {
  top: 24px;
  left: 0;
  width: 68%;
  height: 300px;
}

.photo-warehouse {
  right: 0;
  top: 96px;
  width: 44%;
  height: 180px;
}

.photo-ec {
  left: 7%;
  bottom: 36px;
  width: 46%;
  height: 210px;
}

.photo-data {
  right: 7%;
  bottom: 0;
  width: 48%;
  height: 240px;
}

.visual-card {
  position: absolute;
  border: 1px solid rgba(228, 231, 236, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
  padding: 20px;
}

.mini-label {
  display: block;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.goods-card {
  top: 34px;
  left: 0;
  width: 56%;
}

.goods-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.goods-row span {
  height: 76px;
  border-radius: 8px 8px 5px 5px;
  background: linear-gradient(180deg, #fefefe 18%, var(--beige) 18% 30%, #dfeee8 30%);
  border: 1px solid var(--line);
}

.warehouse-card {
  right: 0;
  top: 120px;
  width: 50%;
}

.shelf {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 8px 0;
  border-bottom: 4px solid var(--navy);
}

.shelf i {
  height: 36px;
  border-radius: 4px;
  background: var(--beige);
}

.ec-card {
  left: 12%;
  bottom: 50px;
  width: 58%;
}

.browser-bar {
  height: 18px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--green) 20%, var(--line) 20%);
  margin-bottom: 16px;
}

.ec-lines i {
  display: block;
  height: 12px;
  margin: 10px 0;
  border-radius: 99px;
  background: var(--line);
}

.ec-lines i:nth-child(2) {
  width: 76%;
}

.ec-lines i:nth-child(3) {
  width: 54%;
}

.chart-card {
  right: 8%;
  bottom: 0;
  width: 42%;
}

.bars {
  height: 130px;
  display: flex;
  align-items: end;
  gap: 10px;
}

.bars i {
  flex: 1;
  border-radius: 5px 5px 0 0;
  background: var(--green);
}

.bars i:nth-child(1) { height: 40%; background: var(--beige); }
.bars i:nth-child(2) { height: 72%; }
.bars i:nth-child(3) { height: 54%; background: var(--orange); }
.bars i:nth-child(4) { height: 88%; background: var(--navy); }

.problems,
.products,
.faq {
  background: #f8fbfa;
}

.card-grid {
  display: grid;
  gap: 18px;
}

.card-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.info-card,
.business-card,
.strength-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(21, 56, 95, 0.06);
}

.info-card {
  min-height: 116px;
  display: flex;
  align-items: center;
  padding: 24px;
  color: var(--navy-dark);
  font-weight: 700;
}

.business-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.business-media {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.85fr;
  gap: 16px;
  margin-bottom: 28px;
}

.business-media img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(21, 56, 95, 0.08);
}

.business-card {
  padding: 28px;
}

.business-card span {
  color: var(--green);
  font-weight: 800;
}

.business-card h3,
.strength-card h3 {
  margin: 8px 0 12px;
  color: var(--navy-dark);
  font-size: 1.16rem;
  line-height: 1.45;
}

.business-card p,
.strength-card p {
  margin: 0;
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.product-card {
  min-height: 132px;
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  color: var(--navy-dark);
  font-weight: 700;
  text-align: center;
}

.product-icon {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 50%;
  color: var(--green);
  background: var(--green-soft);
}

.product-icon svg {
  width: 29px;
  height: 29px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.split-section {
  display: grid;
  grid-template-columns: 0.78fr 1fr;
  gap: 56px;
  align-items: start;
}

.sticky-heading {
  position: sticky;
  top: 112px;
}

.strength-stack {
  display: grid;
  gap: 18px;
}

.strength-card {
  padding: 28px;
  border-left: 5px solid var(--green);
}

.support {
  background: var(--navy-dark);
  color: var(--white);
}

.support .section-heading h2,
.support .section-heading p {
  color: var(--white);
}

.support .eyebrow {
  color: #9be0c2;
}

.support .eyebrow::before {
  background: #9be0c2;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.support-grid span {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  text-align: center;
  font-weight: 700;
}

.marketing-panel {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 42px;
  align-items: center;
  padding: 48px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--sand), var(--green-soft));
  border: 1px solid var(--line);
}

.marketing-photo {
  margin: 0;
  height: 320px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.76);
  box-shadow: 0 18px 45px rgba(21, 56, 95, 0.12);
}

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

.marketing-metrics {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.marketing-metrics div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 28px rgba(21, 56, 95, 0.08);
}

.marketing-metrics strong {
  color: var(--green);
  font-size: 1.4rem;
}

.marketing-metrics span {
  color: var(--navy-dark);
  font-weight: 800;
}

.table-wrap {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

th,
td {
  padding: 22px 24px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  width: 220px;
  color: var(--navy-dark);
  background: #f7faf9;
}

tr:last-child th,
tr:last-child td {
  border-bottom: 0;
}

.faq-list {
  display: grid;
  gap: 14px;
}

details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 0 22px;
}

summary {
  cursor: pointer;
  padding: 20px 0;
  color: var(--navy-dark);
  font-weight: 800;
}

details p {
  margin: 0 0 20px;
  color: var(--muted);
}

.news-list {
  border-top: 1px solid var(--line);
}

.news-list a {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.news-list time {
  color: var(--green);
  font-weight: 800;
}

.contact {
  background: linear-gradient(180deg, #f8fbfa, var(--white));
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 48px;
  align-items: start;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--navy-dark);
  font-size: 0.92rem;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
  background: #fbfcfd;
}

.contact-form textarea {
  resize: vertical;
}

.full {
  grid-column: 1 / -1;
}

.site-footer {
  padding: 44px 0 22px;
  color: rgba(255, 255, 255, 0.82);
  background: var(--navy-dark);
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer-logo {
  color: var(--white);
}

.footer-grid p {
  margin: 14px 0 0;
}

.footer-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  align-content: start;
  justify-content: flex-end;
}

.copyright {
  width: min(1120px, calc(100% - 40px));
  margin: 34px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  font-size: 0.84rem;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .section {
    padding: 76px 0;
  }

  .hero-grid,
  .split-section,
  .marketing-panel,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 460px;
  }

  .business-media {
    grid-template-columns: 1fr 1fr;
  }

  .business-media img:first-child {
    grid-column: 1 / -1;
  }

  .card-grid.three,
  .business-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-grid,
  .support-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sticky-heading {
    position: static;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .header-inner {
    min-height: 66px;
  }

  .menu-toggle {
    display: block;
  }

  .menu-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .global-nav {
    position: fixed;
    top: 66px;
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    padding: 12px 20px 24px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 34px rgba(21, 56, 95, 0.1);
    transform: translateY(-130%);
    transition: transform 0.24s ease;
  }

  .global-nav.is-open {
    transform: translateY(0);
  }

  .global-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-cta {
    margin-top: 12px;
    text-align: center;
    border-bottom: 0 !important;
  }

  .hero-copy h1 {
    font-size: 2.35rem;
  }

  .hero-visual {
    min-height: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .photo-card {
    position: relative;
    inset: auto;
    width: 100%;
    height: 170px;
  }

  .photo-main {
    grid-column: 1 / -1;
    height: 230px;
  }

  .photo-card figcaption {
    left: 10px;
    bottom: 10px;
  }

  .visual-card {
    padding: 16px;
  }

  .card-grid.three,
  .business-list,
  .product-grid,
  .support-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .marketing-panel,
  .contact-form {
    padding: 24px;
  }

  .business-media,
  .marketing-metrics {
    grid-template-columns: 1fr;
  }

  .business-media img,
  .marketing-photo {
    height: 220px;
  }

  .news-list a {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  th,
  td {
    display: block;
    width: 100%;
    padding: 16px;
  }

  th {
    border-bottom: 0;
  }

  .footer-grid {
    display: grid;
  }

  .footer-nav {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}