:root {
  --bg: #F5F7FA;
  --surface: #FFFFFF;
  --text: #0F1C2E;
  --primary: #123A6B;
  --accent: #E85D04;
  --accent-hover: #C74F03;
  --accent-soft: #E8F1FB;
  --muted: #5C6B7A;
  --muted-2: #41505F;
  --border: #D5DEE8;
  --border-soft: #E2E8F0;
  --grid: #DCE6F0;
  --footer: #0B1F3A;
  --footer-muted: #B9C5D3;
  --max: 1160px;
  --radius-btn: 6px;
  --radius-card: 8px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans JP", sans-serif;
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--accent); }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 40px;
}

.serif { font-family: "Shippori Mincho", "Noto Serif JP", serif; }

.eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  font-weight: 500;
  color: var(--muted);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--surface);
  border-bottom: 1px solid var(--border-soft);
}
.header-inner {
  position: relative;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  font-family: "Shippori Mincho", serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.02em;
}
.logo:hover { color: var(--primary); }

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav a {
  font-size: 12px;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--text);
}
.nav a:hover { color: var(--accent); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: var(--radius-btn);
  font-family: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  border: none;
}

.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-hover);
  color: #fff;
}

.btn-header {
  padding: 10px 22px;
  font-size: 13px;
}

.btn-hero {
  padding: 18px 24px;
  font-size: 14px;
  width: 100%;
}

.btn-outline {
  background: var(--surface);
  color: var(--primary);
  border: 1px solid var(--primary);
  font-weight: 500;
}
.btn-outline:hover {
  background: var(--bg);
  color: var(--primary);
}

.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  background: var(--surface);
  cursor: pointer;
  padding: 0;
}
.menu-btn span {
  display: block;
  width: 16px;
  height: 1px;
  background: var(--primary);
  margin: 5px auto;
}

/* Hero */
.hero {
  background: var(--surface);
}
.hero-inner {
  padding: 120px 40px 140px;
}
.hero-live {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 48px;
}
.hero-live .bar {
  display: block;
  width: 32px;
  height: 2px;
  background: var(--primary);
}
.hero-live span {
  font-size: 12px;
  letter-spacing: 0.22em;
  font-weight: 500;
  color: var(--primary);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 64px;
  align-items: end;
}
.hero h1 {
  margin: 0 0 48px;
  font-family: "Shippori Mincho", "Noto Serif JP", serif;
  font-weight: 600;
  font-size: 72px;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--primary);
}
.hero h1 .kw {
  position: relative;
  display: inline-block;
}
.hero h1 .kw::before,
.hero h1 .kw::after {
  content: "";
  position: absolute;
  width: 10px;
  height: 10px;
  border-color: var(--primary);
  border-style: solid;
}
.hero h1 .kw::before {
  top: -6px;
  left: -10px;
  border-width: 1px 0 0 1px;
}
.hero h1 .kw::after {
  right: -10px;
  bottom: 8px;
  border-width: 0 1px 1px 0;
}
.hero-lead {
  margin: 0;
  font-size: 15px;
  line-height: 2.2;
  color: var(--text);
  max-width: 520px;
}
.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 8px;
}

/* Stats */
.stats {
  background: var(--bg);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}
.stats-inner {
  padding: 56px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-right: 1px solid var(--border);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: "Shippori Mincho", serif;
  font-size: 44px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.1;
}
.stat-num.is-fba { font-size: 28px; line-height: 1.2; }
.stat-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

/* Strength */
.strength {
  background: var(--surface);
}
.section-pad { padding: 96px 40px; }
.section-pad-tight { padding: 40px 40px 96px; }

.strength h2,
.workflow h2,
.products h2,
.news h2,
.company h2,
.legal h2 {
  margin: 0 0 64px;
  font-family: "Shippori Mincho", serif;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}
.strength .eyebrow { margin-bottom: 20px; }

.strength-list { display: flex; flex-direction: column; }
.strength-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 40px;
  align-items: baseline;
  padding: 48px 0;
  border-top: 1px solid var(--border-soft);
}
.strength-item:last-child { border-bottom: 1px solid var(--border-soft); }
.strength-n {
  font-family: "Shippori Mincho", serif;
  font-size: 56px;
  color: var(--primary);
  line-height: 1;
}
.strength-item h3 {
  margin: 0 0 14px;
  font-family: "Shippori Mincho", serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.04em;
}
.strength-item p {
  margin: 0;
  font-size: 14px;
  line-height: 2;
  color: var(--muted-2);
  max-width: 560px;
}

/* Workflow */
.workflow { background: var(--surface); }
.steps { display: flex; flex-direction: column; max-width: 880px; }
.step {
  display: grid;
  grid-template-columns: 44px 1fr 260px;
  gap: 28px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--border-soft);
}
.step-n {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step-title { font-size: 16px; font-weight: 500; color: var(--text); }
.step-tools {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-align: right;
}

/* Message */
.message {
  background: var(--bg);
  border-top: 1px solid var(--border-soft);
}
.message-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 112px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}
.message h2 {
  margin: 0;
  font-family: "Shippori Mincho", serif;
  font-size: 30px;
  font-weight: 600;
  line-height: 2;
  letter-spacing: 0.06em;
  color: var(--primary);
  text-align: center;
}
.message .rule {
  display: block;
  width: 56px;
  height: 1px;
  background: var(--primary);
}
.message-body {
  margin: 0;
  font-size: 14px;
  line-height: 2.4;
  color: var(--muted-2);
  text-align: left;
}
.message-sign {
  margin: 0;
  font-family: "Shippori Mincho", serif;
  font-size: 17px;
  letter-spacing: 0.14em;
  color: var(--text);
  text-align: center;
}
.message-role {
  margin: -16px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* Products */
.products {
  background: var(--surface);
  border-top: 1px solid var(--border-soft);
}
.products-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 56px;
  gap: 24px;
}
.products-head h2 { margin: 0; }
.products-note { margin: 0; font-size: 11px; color: var(--muted); }
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.product {
  display: grid;
  grid-template-columns: 180px 1fr;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 0;
}
.product-ph {
  min-height: 180px;
  border-right: 1px solid var(--border-soft);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.product-ph img {
  width: 100%;
  height: 156px;
  object-fit: contain;
}
.product-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 24px 32px;
}
.product-n {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}
.product h3 {
  margin: 0;
  font-family: "Shippori Mincho", serif;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}
.product-maker { margin: 0; font-size: 13px; color: var(--muted); }
.product-meta { margin: 0; font-size: 13px; line-height: 1.7; color: var(--muted-2); }
.product-link {
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 500;
  color: var(--primary);
  margin-top: 8px;
}
.product-link:hover { color: var(--accent); }

/* News */
.news { background: var(--surface); }
.news-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 40px;
}
.news-grid h2 { margin: 0; }
.news-item {
  display: grid;
  grid-template-columns: 130px 88px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-soft);
  align-items: baseline;
}
.news-date { font-size: 13px; letter-spacing: 0.06em; color: var(--muted); }
.news-type { font-size: 11px; letter-spacing: 0.12em; color: var(--primary); font-weight: 500; }
.news-text { font-size: 14px; color: var(--text); }

/* Contact */
.contact {
  background: var(--bg);
  border-top: 1px solid var(--border-soft);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 520px;
  gap: 80px;
  padding: 96px 40px;
}
.contact h2 {
  margin: 0 0 28px;
  font-family: "Shippori Mincho", serif;
  font-size: 30px;
  font-weight: 600;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--primary);
}
.contact-lead {
  margin: 0 0 24px;
  font-size: 14px;
  line-height: 2.2;
  color: var(--muted-2);
}
.contact-meta {
  margin: 0;
  font-size: 13px;
  line-height: 2;
  color: var(--muted-2);
}
.contact-meta a { color: var(--primary); }

.form { display: flex; flex-direction: column; gap: 20px; }
.form label { display: flex; flex-direction: column; gap: 8px; }
.form span { font-size: 12px; font-weight: 500; color: var(--text); }
.req { color: var(--accent); }
.form input,
.form textarea {
  font-family: inherit;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid #B9C5D3;
  border-radius: 4px;
  outline: none;
}
.form input { height: 44px; padding: 0 14px; }
.form textarea { padding: 12px 14px; resize: vertical; min-height: 120px; }
.form input:focus,
.form textarea:focus { border-color: var(--primary); }
.form-foot {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  margin-top: 8px;
}
.form-note { margin: 0; font-size: 12px; color: var(--muted); line-height: 1.7; }
.btn-submit { padding: 14px 48px; font-size: 14px; }
.form-status { margin: 0; font-size: 13px; color: var(--primary); min-height: 1.2em; }

/* Company */
.company {
  background: var(--surface);
  border-top: 1px solid var(--border-soft);
}
.dl {
  display: grid;
  grid-template-columns: 160px 1fr;
  border-top: 1px solid var(--border-soft);
}
.dl div {
  display: contents;
}
.dl dt,
.dl dd {
  margin: 0;
  padding: 16px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 14px;
}
.dl dt { color: var(--muted); font-weight: 500; }
.dl dd { color: var(--text); }

/* Legal */
.legal {
  background: var(--bg);
  border-top: 1px solid var(--border-soft);
}
.legal h2 { margin-bottom: 32px; font-size: 24px; }
.legal .dl dt { font-size: 13px; }
.legal .dl dd { font-size: 13px; line-height: 1.8; }

/* Footer */
.site-footer {
  background: var(--footer);
  color: #fff;
}
.footer-inner {
  padding: 72px 40px 40px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 60px;
}
.footer-brand {
  font-family: "Shippori Mincho", serif;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff;
}
.footer-brand:hover { color: #fff; }
.footer-copy {
  margin: 16px 0 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  line-height: 1.9;
  color: var(--footer-muted);
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 8px;
}
.footer-nav a {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #D5DDE7;
}
.footer-nav a:hover { color: #fff; }
.copyright {
  margin: 0;
  font-size: 11px;
  color: #8A99AB;
  text-align: center;
  border-top: 1px solid #24354B;
  padding-top: 24px;
}

.fade-target { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .wrap,
  .hero-inner,
  .stats-inner,
  .section-pad,
  .section-pad-tight,
  .contact-grid,
  .footer-inner { padding-left: 24px; padding-right: 24px; }

  .menu-btn { display: block; }
  .nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border-soft);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 24px;
  }
  .nav.is-open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--border-soft); }
  .nav .btn-header { justify-content: center; margin-top: 12px; }

  .hero-inner { padding-top: 64px; padding-bottom: 72px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 40px; margin-bottom: 24px; }
  .hero-live { margin-bottom: 28px; }

  .stats-inner { grid-template-columns: 1fr 1fr; gap: 0; }
  .stat { padding: 20px 8px; }
  .stat:nth-child(1),
  .stat:nth-child(2) { border-bottom: 1px solid var(--border); }
  .stat:nth-child(2),
  .stat:nth-child(4) { border-right: none; }
  .stat-num { font-size: 36px; }
  .stat-num.is-fba { font-size: 20px; }

  .strength-item { grid-template-columns: 72px 1fr; gap: 16px; padding: 32px 0; }
  .strength-n { font-size: 36px; }
  .strength h2,
  .workflow h2,
  .products h2 { font-size: 26px; margin-bottom: 40px; }

  .step { grid-template-columns: 44px 1fr; }
  .step-tools { grid-column: 2; text-align: left; padding-bottom: 8px; }

  .message h2 { font-size: 22px; line-height: 1.7; }
  .products-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .product-grid { grid-template-columns: 1fr; }
  .product { grid-template-columns: 1fr; }
  .product-ph { min-height: 200px; border-right: none; border-bottom: 1px solid var(--border-soft); }
  .product-ph img { height: 180px; }

  .news-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .news-item { grid-template-columns: 1fr; gap: 6px; }
  .dl { grid-template-columns: 1fr; }
  .dl dt { padding-bottom: 0; border-bottom: none; }
  .footer-top { flex-direction: column; gap: 32px; }
}