:root {
  --ink: #132026;
  --text: #17201c;
  --paper: #f7f4ed;
  --soft: #eaf0ea;
  --gold: #c88a2a;
  --teal: #2f8f7a;
  --line: rgba(19, 32, 38, .14);
  --white: #fffdf8;
  --shadow: 0 24px 70px rgba(19, 32, 38, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: "Zen Kaku Gothic New", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.mono { font-family: "Space Grotesk", system-ui, sans-serif; letter-spacing: .06em; }
.wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.skip {
  position: fixed;
  left: 12px;
  top: 12px;
  z-index: 1000;
  transform: translateY(-160%);
  background: var(--ink);
  color: #fff;
  padding: 10px 14px;
}
.skip:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 244, 237, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  width: min(1240px, calc(100% - 36px));
  margin: 0 auto;
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
  line-height: 1.25;
}
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand small { display: block; font-size: 11px; font-weight: 700; color: var(--teal); }
.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  font-weight: 700;
}
.nav a { text-decoration: none; white-space: nowrap; }
.nav a:hover { color: var(--teal); }
.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 17px;
  background: var(--ink);
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
}

.btns { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 900;
  border: 1px solid var(--ink);
}
.btn.primary { background: var(--ink); color: #fff; }
.btn.secondary { background: rgba(255,255,255,.72); color: var(--ink); }
.btn.gold { background: var(--gold); color: #21150a; border-color: var(--gold); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 38px;
  height: 2px;
  background: var(--teal);
}
.section { padding: 104px 0; position: relative; overflow: hidden; }
.section.soft { background: var(--soft); }
.section.dark { background: var(--ink); color: #fff; }
.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head.center { text-align: center; margin-inline: auto; }
.section-head.center .eyebrow { justify-content: center; }
.section h2, .page-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.28;
  letter-spacing: 0;
}
.lead { font-size: clamp(16px, 2vw, 20px); color: rgba(23,32,28,.74); }
.dark .lead { color: rgba(255,255,255,.72); }
.grid-2 { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  box-shadow: 0 14px 38px rgba(19,32,38,.07);
}
.dark .card { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); color: #fff; }
.card h3 { margin: 0 0 10px; font-size: 21px; line-height: 1.45; }
.card p { margin: 0; color: rgba(23,32,28,.72); }
.dark .card p { color: rgba(255,255,255,.72); }
.media {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.media img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; }
.list { margin: 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.list li { position: relative; padding-left: 26px; }
.list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .75em;
  width: 13px;
  height: 8px;
  border-left: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(-45deg);
}

.site-footer { background: var(--ink); color: #fff; }
.footer-cta {
  border-bottom: 1px solid rgba(255,255,255,.13);
  padding: 72px 0;
}
.footer-cta .wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
}
.footer-cta h2 { margin: 0; font-size: clamp(28px, 4vw, 46px); line-height: 1.35; }
.footer-info {
  padding: 44px 0;
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 34px;
}
.footer-info a { display: block; text-decoration: none; color: rgba(255,255,255,.78); padding: 4px 0; }
.footer-info p { color: rgba(255,255,255,.72); margin: 12px 0 0; }
.copyright { border-top: 1px solid rgba(255,255,255,.13); padding: 18px 0; color: rgba(255,255,255,.56); font-size: 12px; }

.page-hero {
  padding: 100px 0 72px;
  background:
    linear-gradient(110deg, rgba(19,32,38,.94), rgba(19,32,38,.62)),
    url("../../src/section-bg-strategy.jpg") center/cover;
  color: #fff;
}
.page-hero p { max-width: 760px; color: rgba(255,255,255,.78); }
.form-box label { display: grid; gap: 6px; font-weight: 800; margin-bottom: 14px; }
.form-box input, .form-box textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px 14px;
  font: inherit;
  background: #fff;
}
.form-box textarea { min-height: 160px; resize: vertical; }

@media (max-width: 900px) {
  .nav { display: none; }
  .grid-2, .grid-3, .footer-cta .wrap, .footer-info { grid-template-columns: 1fr; }
  .section { padding: 78px 0; }
  .site-header__inner { min-height: 66px; }
  .brand span { max-width: 210px; }
}

@media (max-width: 560px) {
  .wrap { width: min(100% - 28px, 1160px); }
  .brand img { width: 36px; height: 36px; }
  .header-cta { display: none; }
  .btn { width: 100%; }
  .card { padding: 22px; }
}