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

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

:root {
  --blue: #004b87;
  --yellow: #ffe900;
  --light-bg: #f3f7fb;
  --border: #dde4ec;
  --gray: #808080;
  --dark: #262626;
  --green-line: #10bb5b;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--dark);
  background: #fff;
  max-width: 375px;
  margin: 0 auto;
  font-size: 14px;
  line-height: 1.6;
}

/* ── Header ── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  height: 56px;
  border-bottom: 1px solid var(--border);
}
.header-logo img { height: 34px; width: auto; }
.hamburger { background: none; border: none; cursor: pointer; display: flex; flex-direction: column; gap: 5px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--blue); border-radius: 2px; }

/* Nav drawer */
.nav-drawer {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
}
.nav-drawer.open { display: block; }
.nav-panel {
  position: absolute;
  top: 0; right: 0;
  width: 260px; height: 100%;
  background: #fff;
  padding: 24px 16px;
}
.nav-close { background: none; border: none; font-size: 24px; cursor: pointer; float: right; }
.nav-panel ul { list-style: none; margin-top: 48px; }
.nav-panel ul li { border-bottom: 1px solid var(--border); }
.nav-panel ul li a {
  display: block;
  padding: 14px 8px;
  text-decoration: none;
  color: var(--dark);
  font-size: 14px;
  font-weight: 700;
}

/* ── Page Hero ── */
.page-hero {
  padding: 28px 16px 20px;
  border-bottom: 3px solid var(--yellow);
}
.page-hero .label {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--blue);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}
.page-hero h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: 26px;
  color: var(--blue);
  line-height: 1.3;
}

/* ── Buttons ── */
.btn-line {
  display: block;
  width: 100%;
  background: var(--green-line);
  color: #fff;
  text-align: center;
  padding: 15px 0;
  border-radius: 28px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.04em;
}
.btn-line:hover { opacity: 0.9; }

/* ── CTA Section ── */
.cta-section {
  background: #f0f5ff;
  padding: 28px 16px;
  text-align: center;
}
.cta-section h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: 16px;
  color: var(--blue);
  margin-bottom: 16px;
}
.cta-section .sub {
  font-size: 11px;
  color: var(--gray);
  margin-top: 10px;
}

/* ── Footer ── */
.footer {
  background: var(--blue);
  color: #fff;
  padding: 16px;
  text-align: center;
}
.footer-logo { margin: 0 auto 12px; display: block; height: 62px; width: auto; }
.footer-service {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: rgba(255,255,255,0.7);
  text-align: center;
  margin-bottom: 8px;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0 12px;
  margin-bottom: 10px;
}
.footer-nav a {
  font-size: 11px;
  color: rgba(255,255,255,0.85);
  text-decoration: none;
}
.footer-nav a:hover { text-decoration: underline; }
.footer-copy {
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  color: rgba(255,255,255,0.5);
}

/* ── Utilities ── */
.section { padding: 32px 16px; }
.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: 20px;
  color: var(--blue);
  margin-bottom: 4px;
}
.section-title-en {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--blue);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: block;
}
.yellow-bar {
  width: 32px; height: 3px;
  background: var(--yellow);
  margin-bottom: 20px;
}