@charset "utf-8";

:root {
  --teal: #6ac6ca;
  --teal-deep: #4fb3b8;
  --nav-bg: #d3d3d4;
  --nav-bg-scrolled: rgba(211, 211, 212, .94);
  --nav-text: #333333;
  --text: #5d5d5d;
  --text-dark: #434343;
  --text-muted: #666666;
  --text-muted2: #686868;
  --max: 1200px;
  --font: "Yu Gothic Medium", "YuGothic", "Hiragino Kaku Gothic ProN",
    "Hiragino Kaku Gothic Pro", "Meiryo", "Helvetica Neue", Helvetica,
    Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: #ffffff;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 260;
  background: var(--nav-bg);
  transition: background-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled {
  background: var(--nav-bg-scrolled);
  box-shadow: 0 2px 10px rgba(0, 0, 0, .12);
}
.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}
.site-logo img { height: 64px; width: auto; }

.main-nav {
  display: none;
}
.main-nav > ul {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
}
.main-nav > ul > li {
  position: relative;
}
.main-nav a, .main-nav > ul > li > span.no-link {
  display: block;
  color: var(--nav-text);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  padding: 10px 12px;
  white-space: nowrap;
  cursor: default;
}
.main-nav a:hover { text-decoration: underline; }
.main-nav .has-children { cursor: pointer; }
.main-nav .has-children > ul {
  list-style: none;
  margin: 0;
  padding: 6px 0;
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 190px;
  background: #ffffff;
  box-shadow: 0 8px 20px rgba(0, 0, 0, .15);
  border-radius: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.main-nav .has-children:hover > ul,
.main-nav .has-children:focus-within > ul {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.main-nav .has-children > ul a {
  color: var(--text-dark);
  padding: 8px 16px;
}
.main-nav .has-children > ul a:hover { background: #f2fafa; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--nav-text);
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(320px, 82vw);
  background: #ffffff;
  z-index: 250;
  box-shadow: -6px 0 24px rgba(0, 0, 0, .18);
  transform: translateX(100%);
  transition: transform .3s ease;
  overflow-y: auto;
  padding: 70px 0 40px;
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav ul { list-style: none; margin: 0; padding: 0; }
.mobile-nav a, .mobile-nav span.no-link {
  display: block;
  padding: 14px 24px;
  color: var(--text-dark);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid #eee;
}
.mobile-nav .submenu a { padding-left: 40px; font-size: 14px; color: var(--text-muted2); }
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .4);
  z-index: 240;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s;
}
.nav-overlay.is-open { opacity: 1; visibility: visible; }

@media (min-width: 900px) {
  .main-nav { display: block; }
  .nav-toggle { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: #ffffff;
}
.hero-slides {
  position: relative;
  height: 400px;
}
.hero-slides img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
}
.hero-slides img.is-active { opacity: 1; }
.hero-catch {
  position: absolute;
  left: 4%;
  top: 50%;
  transform: translateY(-50%);
  width: min(46%, 420px);
  z-index: 2;
}
@media (max-width: 640px) {
  .hero-slides { height: 280px; }
  .hero-catch { width: 66%; }
}

/* ---------- Layout helpers ---------- */
.section {
  padding: 90px 30px;
}
.section-narrow { max-width: var(--max); margin: 0 auto; }
.section-title {
  text-align: center;
  font-weight: 700;
  font-size: 26px;
  color: var(--text-muted);
  margin: 0 0 46px;
}
.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  max-width: var(--max);
  margin: 0 auto;
}
@media (min-width: 800px) {
  .two-col { grid-template-columns: 1fr 1fr; gap: 60px; }
}
.two-col h2 {
  font-size: 25px;
  color: var(--text-dark);
  font-weight: 700;
  margin: 0 0 22px;
}
.two-col p { margin: 0; font-size: 15px; }

.intro { padding: 90px 20px; }

/* business grid */
.business-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px 50px;
}
@media (min-width: 800px) {
  .business-grid { grid-template-columns: 1fr 1fr; }
}
.business-card a.card-image { display: block; margin-bottom: 18px; background: #ffffff; }
.business-card a.card-image img { border-radius: 4px; width: 100%; height: auto; background: #ffffff; }
.business-card h3 {
  font-size: 19px;
  color: var(--text-muted2);
  font-weight: 700;
  text-align: center;
  margin: 0 0 14px;
}
.business-card p {
  margin: 0;
  color: var(--text-muted2);
  font-size: 15px;
}

.policy-section { padding: 90px 30px; text-align: center; }
.policy-section img { max-width: 1000px; margin: 0 auto 40px; border-radius: 4px; background: #ffffff; }
.policy-section h2 {
  font-size: 26px;
  color: var(--text-muted);
  margin: 0 0 20px;
}
.policy-section p {
  max-width: 900px;
  margin: 0 auto;
  color: var(--text-muted2);
  text-align: left;
  font-size: 15px;
}

.cta {
  padding: 40px 30px 90px;
  text-align: center;
}
.cta a { display: inline-block; max-width: 590px; width: 100%; }

/* ---------- Footer ---------- */
.site-footer { background: var(--teal); }
.footer-nav {
  background: #d3d3d4;
  padding: 20px 20px 14px;
}
.footer-nav ul {
  list-style: none;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 4px;
}
.footer-nav a {
  display: block;
  color: #333333;
  text-decoration: none;
  font-size: 13px;
  padding: 8px 14px;
}
.footer-nav a:hover { text-decoration: underline; }
.footer-copyright {
  background: #d3d3d4;
  text-align: center;
  color: #333333;
  font-size: 12px;
  padding: 14px 20px;
  margin: 0;
}

@media (max-width: 640px) {
  .section, .policy-section { padding: 56px 20px; }
  .section-title { font-size: 22px; margin-bottom: 32px; }
}