/* ==========================================================================
   Synapsis Group — shared stylesheet
   Base color aligned with toranomon-family-office (group base: Navy + Gray)
   ========================================================================== */

:root {
  /* Base colors — aligned with toranomon-family-office's navy/gray scale */
  --navy: #141F33;
  --navy-soft: #1D2C47;
  --charcoal: #0E1728;
  --offwhite: #F7F8FA;
  --white: #FFFFFF;
  --text-dark: #1F2733;
  --text-muted: #56616F;
  --line-muted: #E3E6EB;
  --line-on-navy: #3C4F70;
  --pill-bg: #EFF1F4;
  --white-muted: #A8B4C6;

  --serif: "EB Garamond", "Times New Roman", serif;
  --sans: "Noto Sans JP", "Yu Gothic", "Hiragino Sans", sans-serif;

  --container: 1180px;
  --header-h: 84px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-dark);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: 0.01em; }
p { margin: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.serif-italic {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
}

.eyebrow {
  font-family: var(--serif);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 14px;
}
.eyebrow.on-navy { color: var(--white-muted); }

/* ---------------------------------------------------------------- header */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--navy);
  z-index: 1000;
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 600;
  font-size: 26px;
  color: var(--white);
  letter-spacing: 0.01em;
}
.logo span { color: var(--white-muted); font-style: normal; font-family: var(--sans); font-size: 14px; margin-left: 10px; }
.main-nav { display: flex; align-items: center; gap: 36px; }
.main-nav a {
  color: var(--white-muted);
  font-size: 16px;
  font-weight: 500;
  transition: color .2s;
}
.main-nav a:hover, .main-nav a.active { color: var(--white); }
.nav-cta {
  background: var(--white);
  color: var(--navy) !important;
  padding: 12px 24px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 15px;
}
.nav-cta:hover { background: var(--white-muted); }
.nav-toggle { display: none; }

main { padding-top: var(--header-h); }

/* ----------------------------------------------------------------- hero */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: 100px 0 120px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  right: -120px; top: -120px;
  width: 480px; height: 480px;
  border: 1px solid var(--line-on-navy);
  border-radius: 50%;
}
.hero .container { position: relative; z-index: 1; }
.hero-kicker {
  font-family: var(--serif); font-style: italic; font-size: 16px;
  color: var(--white-muted); letter-spacing: 0.1em; margin-bottom: 22px;
}
.hero h1 {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: 64px;
  line-height: 1.15;
  color: var(--white);
  margin-bottom: 26px;
}
.hero h1 .cross { color: var(--white-muted); font-style: normal; padding: 0 8px; }
.hero .lead {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 18px;
}
.hero p.sub {
  font-size: 17px;
  color: var(--white-muted);
  max-width: 640px;
  line-height: 1.9;
  margin-bottom: 42px;
}
.hero-actions { display: flex; gap: 18px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 700;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--white); color: var(--navy); }
.btn-primary:hover { background: var(--white-muted); }
.btn-outline { border-color: var(--line-on-navy); color: var(--white); }
.btn-outline:hover { border-color: var(--white); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--navy-soft); }

/* ------------------------------------------------------------- sections */
section { padding: 110px 0; }
.bg-offwhite { background: var(--offwhite); }
.bg-navy { background: var(--navy); color: var(--white); }
.bg-charcoal { background: var(--charcoal); color: var(--white); }

.section-head { margin-bottom: 56px; max-width: 760px; }
.section-head h2 {
  font-size: 38px;
  color: var(--text-dark);
  line-height: 1.35;
}
.bg-navy .section-head h2, .bg-charcoal .section-head h2 { color: var(--white); }
.section-head .desc { margin-top: 18px; font-size: 17px; color: var(--text-muted); line-height: 1.9; }
.bg-navy .section-head .desc { color: var(--white-muted); }

.section-foot-link {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 44px; font-weight: 700; font-size: 16px; color: var(--navy);
  border-bottom: 1px solid var(--navy); padding-bottom: 4px;
}

/* --------------------------------------------------------- icon badges */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 700;
  flex: none;
}
.badge-sm { width: 52px; height: 52px; font-size: 17px; }
.badge-md { width: 68px; height: 68px; font-size: 21px; }
.badge-lg { width: 92px; height: 92px; font-size: 28px; }
.on-navy .badge { background: rgba(255,255,255,0.12); border: 1px solid var(--line-on-navy); }

/* ------------------------------------------------------ services (top) */
.service-featured {
  background: var(--white);
  border: 1px solid var(--line-muted);
  border-radius: 6px;
  padding: 56px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 40px;
}
.service-featured .tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--navy);
  background: var(--pill-bg);
  padding: 7px 14px;
  border-radius: 3px;
  margin-bottom: 22px;
}
.service-featured h3 {
  font-family: var(--serif); font-style: italic; font-weight: 600;
  font-size: 40px; color: var(--navy); margin-bottom: 8px;
}
.service-featured .jp-name { font-size: 15px; color: var(--text-muted); margin-bottom: 22px; letter-spacing: 0.02em; }
.service-featured p.desc { font-size: 16.5px; color: var(--text-dark); line-height: 1.9; margin-bottom: 26px; }
.service-featured .stats {
  display: flex; gap: 34px; margin-top: 8px;
}
.service-featured .stats div { font-size: 14px; color: var(--text-muted); }
.service-featured .stats strong { display: block; font-size: 26px; color: var(--navy); font-family: var(--serif); font-style: italic; }
.service-featured .visual {
  background: var(--offwhite);
  border-radius: 6px;
  padding: 32px;
  display: flex; align-items: center; justify-content: center;
}

.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--line-muted);
  border-radius: 6px;
  padding: 36px;
  display: flex;
  gap: 22px;
  transition: box-shadow .2s, transform .2s;
}
.service-card:hover { box-shadow: 0 12px 28px rgba(20,27,61,0.10); transform: translateY(-2px); }
.service-card .body h4 { font-size: 20px; margin-bottom: 4px; color: var(--text-dark); }
.service-card .body .jp-name { font-size: 13.5px; color: var(--text-muted); margin-bottom: 12px; }
.service-card .body p { font-size: 15.5px; color: var(--text-muted); line-height: 1.8; margin-bottom: 14px; }
.service-card .body .more { font-size: 14.5px; font-weight: 700; color: var(--navy); }

/* --------------------------------------------------------------- pills */
.pill {
  display: inline-block;
  background: var(--pill-bg);
  color: var(--navy);
  font-size: 15px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 100px;
  margin: 0 10px 10px 0;
}
.on-navy .pill { background: rgba(255,255,255,0.10); color: var(--white); }

/* ------------------------------------------------------------- cards */
.card {
  background: var(--white);
  border: 1px solid var(--line-muted);
  border-radius: 6px;
  padding: 40px;
}

/* ---------------------------------------------------------------- news */
.news-list { border-top: 1px solid var(--line-muted); }
.news-item {
  display: flex;
  gap: 40px;
  align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-muted);
}
.news-item time {
  flex: none; width: 130px;
  font-family: var(--serif); font-style: italic; color: var(--text-muted); font-size: 15.5px;
}
.news-item .cat {
  flex: none;
  font-size: 12.5px; font-weight: 700; color: var(--navy);
  background: var(--pill-bg); padding: 5px 12px; border-radius: 3px;
  align-self: center;
}
.news-item a.title { font-size: 17px; font-weight: 500; color: var(--text-dark); }
.news-item a.title:hover { text-decoration: underline; }

/* ------------------------------------------------------------ breadcrumb */
.breadcrumb { font-size: 14.5px; color: var(--white-muted); margin-bottom: 26px; }
.breadcrumb a { color: var(--white-muted); border-bottom: 1px solid var(--line-on-navy); }
.breadcrumb a:hover { color: var(--white); }
.breadcrumb.on-light { color: var(--text-muted); }
.breadcrumb.on-light a { color: var(--text-muted); border-color: var(--line-muted); }

/* ----------------------------------------------------- service banner */
.service-banner { padding: 120px 0 80px; }
.service-banner .top-row { display: flex; align-items: center; gap: 26px; margin-bottom: 26px; }
.service-banner h1 { font-family: var(--serif); font-style: italic; font-weight: 600; font-size: 52px; color: var(--white); line-height: 1.1; }
.service-banner .jp-name { font-size: 18px; color: var(--white-muted); margin-top: 10px; }
.service-banner .tagline { font-size: 20px; font-weight: 700; color: var(--white); margin-top: 26px; max-width: 720px; line-height: 1.7; }
.service-nav-strip { background: var(--charcoal); }
.service-nav-strip .container { display: flex; gap: 28px; overflow-x: auto; padding: 18px 32px; }
.service-nav-strip a { font-size: 14.5px; color: var(--white-muted); white-space: nowrap; padding-bottom: 4px; }
.service-nav-strip a.active { color: var(--white); border-bottom: 2px solid var(--white); }

.diagram-wrap {
  background: var(--white);
  border: 1px solid var(--line-muted);
  border-radius: 6px;
  padding: 48px;
  margin: 40px 0 10px;
}
.diagram-caption { text-align: center; color: var(--text-muted); font-size: 14.5px; margin-top: 22px; }

.two-col { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: start; }
.for-whom-list { list-style: none; margin: 0; padding: 0; }
.for-whom-list li {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 0; border-bottom: 1px solid var(--line-muted);
  font-size: 16px; color: var(--text-dark); line-height: 1.75;
}
.for-whom-list li:last-child { border-bottom: none; }
.for-whom-list .dot { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--navy); margin-top: 10px; }

.service-cta {
  background: var(--offwhite);
  border-radius: 6px;
  padding: 52px;
  text-align: center;
  margin-top: 60px;
}
.service-cta h3 { font-size: 26px; margin-bottom: 14px; }
.service-cta p { color: var(--text-muted); margin-bottom: 30px; font-size: 16px; }

.other-services { margin-top: 90px; }
.other-services h3 { font-size: 22px; margin-bottom: 30px; }
.mini-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.mini-card {
  border: 1px solid var(--line-muted); border-radius: 6px; padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
}
.mini-card .badge { width: 44px; height: 44px; font-size: 14px; }
.mini-card h4 { font-size: 16px; }

/* ------------------------------------------------------------ vmv grid */
.vmv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.vmv-card { background: var(--white); border: 1px solid var(--line-muted); border-radius: 6px; padding: 40px 34px; }
.vmv-card .head { display: flex; align-items: center; gap: 16px; margin-bottom: 26px; }
.vmv-card .head .en { font-family: var(--serif); font-style: italic; font-size: 22px; color: var(--navy); }
.vmv-card .head .jp { font-size: 13px; color: var(--text-muted); }
.vmv-card .headline { font-size: 19px; font-weight: 700; margin-bottom: 16px; line-height: 1.6; }
.vmv-card p.body { font-size: 15.5px; color: var(--text-muted); line-height: 1.85; }

/* -------------------------------------------------------- overview bar */
.overview-bar { display: flex; gap: 70px; padding: 30px 0; border-top: 1px solid var(--line-muted); border-bottom: 1px solid var(--line-muted); margin: 40px 0 70px; flex-wrap: wrap; }
.overview-bar div { font-size: 14px; color: var(--text-muted); font-weight: 700; }
.overview-bar div span { display: block; font-weight: 400; color: var(--text-dark); font-size: 17px; margin-top: 6px; }

/* -------------------------------------------------------------- leader */
.leader-grid { display: grid; grid-template-columns: 320px 1fr; gap: 44px; }

/* ----------------------------------------------------------------- form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font-size: 15px; font-weight: 700; margin-bottom: 10px; color: var(--text-dark); }
label .req { color: #B23A3A; font-weight: 700; margin-left: 6px; font-size: 13px; }
input[type="text"], input[type="email"], input[type="tel"], select, textarea {
  width: 100%;
  font-family: var(--sans);
  font-size: 16px;
  padding: 14px 16px;
  border: 1px solid var(--line-muted);
  border-radius: 4px;
  background: var(--white);
  color: var(--text-dark);
}
textarea { resize: vertical; min-height: 140px; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--navy); outline-offset: 1px; }
.form-note { font-size: 14px; color: var(--text-muted); margin-top: 20px; line-height: 1.8; }
.checkbox-row { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: var(--text-muted); }
.checkbox-row input { width: 18px; height: 18px; margin-top: 3px; }

/* --------------------------------------------------------------- resources */
.resource-list { display: flex; flex-direction: column; gap: 20px; }
.resource-item {
  display: flex; align-items: center; gap: 24px;
  border: 1px solid var(--line-muted); border-radius: 6px; padding: 28px 32px;
}
.resource-item .icon { flex: none; width: 52px; height: 52px; border-radius: 6px; background: var(--pill-bg); color: var(--navy); display: flex; align-items: center; justify-content: center; font-weight: 700; font-family: var(--serif); font-style: italic; font-size: 15px; }
.resource-item .info { flex: 1; }
.resource-item h4 { font-size: 18px; margin-bottom: 6px; }
.resource-item .meta { font-size: 13.5px; color: var(--text-muted); }
.resource-item .btn { padding: 12px 26px; font-size: 14.5px; }

/* modal (資料集ダウンロード用) */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(20,27,61,0.55);
  display: none; align-items: center; justify-content: center; z-index: 2000; padding: 24px;
}
.modal-overlay.open { display: flex; }
.modal-box { background: var(--white); border-radius: 8px; max-width: 560px; width: 100%; padding: 48px; max-height: 90vh; overflow-y: auto; }
.modal-box h3 { font-size: 24px; margin-bottom: 12px; }
.modal-box .sub { color: var(--text-muted); font-size: 15px; margin-bottom: 30px; }
.modal-close { float: right; font-size: 24px; color: var(--text-muted); cursor: pointer; background: none; border: none; }

/* ------------------------------------------------------------- footer */
.site-footer { background: var(--charcoal); color: var(--white-muted); padding: 80px 0 34px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 60px; }
.footer-grid .logo { margin-bottom: 18px; }
.footer-grid p.tag { font-size: 14.5px; color: var(--white-muted); line-height: 1.8; max-width: 280px; }
.footer-col h5 { font-size: 14px; color: var(--white); letter-spacing: 0.05em; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col a { font-size: 14.5px; color: var(--white-muted); }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid var(--line-on-navy);
  padding-top: 28px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--white-muted); flex-wrap: wrap; gap: 12px;
}
.footer-legal { display: flex; gap: 24px; }

/* ------------------------------------------------------------- policy */
.policy-body h2 { font-size: 22px; margin: 44px 0 16px; color: var(--text-dark); }
.policy-body h2:first-child { margin-top: 0; }
.policy-body p, .policy-body li { font-size: 16px; color: var(--text-muted); line-height: 1.9; margin-bottom: 14px; }
.policy-body ol, .policy-body ul { padding-left: 24px; margin-bottom: 14px; }
.policy-updated { color: var(--text-muted); font-size: 14.5px; margin-bottom: 50px; }

/* --------------------------------------------------------------- utils */
.center { text-align: center; }

/* ------------------------------------------------------------ responsive */
@media (max-width: 980px) {
  .service-featured, .two-col, .leader-grid { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: 1fr; }
  .vmv-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .mini-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .hero h1 { font-size: 44px; }
}