/* ============================================
   松本しのぶ｜「幸せ循環®ビジネス設計」
   Common Stylesheet (5ページ共通)
   Design System: junkan_consult
   ============================================ */

:root {
  --brand-blue: #0553DD;
  --brand-blue-hover: #0444B8;
  --ink-black: #060606;
  --page-bg: #F6F6F6;
  --card-white: #FFFFFF;
  --border-gray: #EAEAEA;
  --text-secondary: #888888;
  --alert-red: #F23A3C;
  --container-max: 1280px;
  --side-margin: 80px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--ink-black);
  background: var(--page-bg);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }

/* === HEADER === */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--card-white);
  border-bottom: 1px solid var(--border-gray);
  height: 80px;
  display: flex;
  align-items: center;
  padding: 0 var(--side-margin);
}
header.site-header .header-inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand-mark {
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.brand-mark .name-ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--ink-black);
  letter-spacing: 0.05em;
}
.brand-mark .service {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 12px;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  border-left: 1px solid var(--border-gray);
  padding-left: 12px;
}
nav.main-nav { display: flex; align-items: center; gap: 32px; }
nav.main-nav a {
  color: var(--ink-black);
  text-decoration: none;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.05em;
}
nav.main-nav a.active { font-weight: 700; }
nav.main-nav a:hover { color: var(--brand-blue); }

/* === HAMBURGER (mobile only) === */
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  position: relative;
  margin-left: 8px;
}
.menu-toggle span {
  display: block;
  position: absolute;
  left: 8px;
  width: 24px;
  height: 2px;
  background: var(--ink-black);
  transition: transform 0.25s, opacity 0.2s, top 0.25s;
  border-radius: 2px;
}
.menu-toggle span:nth-child(1) { top: 13px; }
.menu-toggle span:nth-child(2) { top: 19px; }
.menu-toggle span:nth-child(3) { top: 25px; }
.menu-toggle.is-open span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* オーバーレイ（モバイルメニュー開時の背景） */
.menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(6,6,6,0.45);
  z-index: 90;
  opacity: 0;
  transition: opacity 0.25s;
}
.menu-overlay.is-open { display: block; opacity: 1; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
  padding: 16px 32px;
  border-radius: 999px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.btn-primary { background: var(--brand-blue); color: var(--card-white); }
.btn-primary:hover { background: var(--brand-blue-hover); }
.btn-secondary {
  background: transparent;
  color: var(--ink-black);
  border: 1.5px solid var(--ink-black);
  padding: 14.5px 30.5px;
}
.btn-secondary:hover { background: var(--brand-blue); color: var(--card-white); border-color: var(--brand-blue); }
.btn-on-blue {
  background: var(--card-white);
  color: var(--brand-blue);
}
.btn-on-blue:hover {
  background: var(--brand-blue-hover);
  color: var(--card-white);
  border: 2px solid var(--card-white);
  padding: 14px 30px;
}

/* === SECTION COMMON === */
section.content-section { padding: 100px var(--side-margin); }
.section-inner { max-width: var(--container-max); margin: 0 auto; }
.section-label {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--brand-blue);
  margin-bottom: 16px;
  display: inline-block;
}
.section-title {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 36.8px;
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: var(--ink-black);
  margin-bottom: 24px;
}
.section-title .accent { color: var(--brand-blue); }
.section-intro {
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-black);
  max-width: 720px;
  margin-bottom: 64px;
}
.section-center { text-align: center; }
.section-center .section-intro { margin-left: auto; margin-right: auto; }

/* === PAGE HERO (subpages) === */
section.page-hero {
  padding: 72px var(--side-margin) 56px;
  background: var(--card-white);
  border-bottom: 1px solid var(--border-gray);
}
.page-hero-inner { max-width: var(--container-max); margin: 0 auto; }
.page-hero .label {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--brand-blue);
  margin-bottom: 16px;
  display: inline-block;
}
.page-hero h1 {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 44px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--ink-black);
  margin-bottom: 16px;
}
.page-hero .lead {
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-black);
  max-width: 720px;
}

/* === FULL-BLEED PHOTO DIVIDER === */
section.photo-divider {
  height: 480px;
  background-size: cover;
  background-position: center;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
section.photo-divider .quote {
  position: relative;
  color: var(--card-white);
  text-align: center;
  max-width: 880px;
  padding: 0 24px;
  z-index: 2;
}
section.photo-divider .quote-en {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.25em;
  margin-bottom: 16px;
  opacity: 0.8;
}
section.photo-divider .quote-ja {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 32px;
  line-height: 1.6;
  letter-spacing: 0.07em;
}

/* === CTA SECTION === */
section.cta-section {
  background: var(--brand-blue);
  color: var(--card-white);
  text-align: center;
  padding: 120px var(--side-margin);
}
section.cta-section h2 {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 40px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  margin-bottom: 24px;
}
section.cta-section p {
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 48px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* === FOOTER === */
footer.site-footer {
  background: var(--page-bg);
  color: var(--ink-black);
  padding: 90px var(--side-margin) 40px;
  border-top: 1px solid var(--border-gray);
}
.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 64px;
}
.footer-brand .name {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--ink-black);
  letter-spacing: 0.05em;
}
.footer-brand .service {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
  letter-spacing: 0.05em;
}
.footer-brand p {
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-top: 24px;
}
.footer-col h5 {
  font-family: 'Lato', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--brand-blue);
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col a {
  color: var(--ink-black);
  text-decoration: none;
  font-size: 14px;
}
.footer-col a:hover { color: var(--brand-blue); }
.copyright {
  border-top: 1px solid var(--border-gray);
  padding-top: 32px;
  font-size: 12px;
  color: var(--text-secondary);
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* === CARDS (white) === */
.content-card {
  background: var(--card-white);
  border: 1px solid var(--border-gray);
  border-radius: 8px;
  padding: 48px;
}

/* === RESPONSIVE === */
@media (max-width: 1023px) {
  :root { --side-margin: 48px; }
  section.content-section, section.page-hero { padding: 72px 48px; }
  section.cta-section { padding: 96px 48px; }
  .footer-inner { grid-template-columns: 1fr; gap: 48px; }
  .page-hero h1 { font-size: 36px; }
}
@media (max-width: 767px) {
  :root { --side-margin: 24px; }
  header.site-header { padding: 0 24px; height: 64px; }
  .brand-mark .name-ja { font-size: 16px; }
  .brand-mark .service { display: none; }
  /* ハンバーガー有効化、ナビをドロワー化 */
  .menu-toggle { display: block; }
  header.site-header .btn-primary {
    padding: 10px 18px;
    font-size: 12px;
  }
  nav.main-nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: fixed;
    top: 64px;
    right: 0;
    width: 78%;
    max-width: 320px;
    height: calc(100vh - 64px);
    background: var(--card-white);
    padding: 24px 28px;
    transform: translateX(110%);
    transition: transform 0.28s ease;
    box-shadow: -4px 0 24px rgba(6,6,6,0.12);
    z-index: 100;
    overflow-y: auto;
  }
  nav.main-nav.is-open { transform: translateX(0); }
  nav.main-nav a {
    padding: 18px 4px;
    font-size: 16px;
    border-bottom: 1px solid var(--border-gray);
  }
  nav.main-nav a:last-child { border-bottom: none; }
  section.content-section, section.page-hero { padding: 56px 24px; }
  section.cta-section { padding: 72px 24px; }
  section.cta-section h2 { font-size: 26px; }
  .section-title { font-size: 26px; }
  .page-hero h1 { font-size: 28px; letter-spacing: 0.04em; }
  section.photo-divider { height: 320px; }
  section.photo-divider .quote-ja { font-size: 22px; }
  .copyright { flex-direction: column; gap: 12px; }
  .content-card { padding: 32px; }
}