/* =========================================================
   Design Tokens v2（design-system.md 準拠・全ページ共通）
   ========================================================= */
:root {
  --color-primary:        #1f3556;
  --color-primary-deep:   #142340;
  --color-primary-soft:   #34507a;
  --color-accent:         #c08b3c;
  --color-accent-soft:    #e9c887;
  --color-bg:             #faf6ee;
  --color-bg-alt:         #f1ebde;
  --color-surface:        #ffffff;
  --color-text:           #2a2a2a;
  --color-muted:          #5a5a5a;
  --color-line:           #e2dccc;

  --font-base: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;

  --fs-display: clamp(36px, 5vw, 64px);
  --fs-h1:      clamp(32px, 4vw, 52px);
  --fs-h2:      clamp(26px, 3vw, 38px);
  --fs-h3:      24px;
  --fs-h4:      20px;
  --fs-body:    17px;
  --fs-sm:      15px;
  --fs-xs:      13px;

  --space-1: 4px;  --space-2: 8px;   --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px;  --space-7: 48px; --space-8: 64px;
  --space-9: 88px; --space-10: 120px;

  --radius-xs: 6px;
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;

  --shadow-sm:  0 4px 12px rgba(20,35,64,0.06);
  --shadow-md:  0 8px 24px rgba(20,35,64,0.10);
  --shadow-lg:  0 16px 40px rgba(20,35,64,0.15);
  --shadow-fab: 0 8px 24px rgba(20,35,64,0.25);

  --ease-out: cubic-bezier(.2,.8,.2,1);
}

/* ゆったりリズム（Tweaksで切替） */
body[data-rhythm="roomy"] { --space-9: 120px; --space-7: 64px; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-base);
  font-size: var(--fs-body);
  font-weight: 500;
  line-height: 1.85;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color 0.3s ease; }
img { max-width: 100%; display: block; }
ul { list-style: none; padding: 0; margin: 0; }
button { font-family: inherit; cursor: pointer; }
strong { font-weight: 700; }

.tabular {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.container { width: min(1200px, 92vw); margin: 0 auto; }

/* =========================================================
   ボタン
   ========================================================= */
.btn-pill {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: 14px 24px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--color-primary);
  color: #fff;
  border: 1.5px solid var(--color-primary);
  transition: all 0.3s ease;
  white-space: nowrap;
}
.btn-pill:hover {
  background: var(--color-primary-deep);
  border-color: var(--color-primary-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-pill.is-outline { background: transparent; color: var(--color-primary); }
.btn-pill.is-outline:hover { background: var(--color-primary); color: #fff; }
.btn-pill.is-accent { background: var(--color-accent); border-color: var(--color-accent); }
.btn-pill.is-accent:hover {
  background: var(--color-accent-soft);
  color: var(--color-primary);
  border-color: var(--color-accent-soft);
}
.btn-pill.is-large { padding: 18px 36px; font-size: var(--fs-body); }
.btn-pill .arrow { width: 18px; height: 18px; flex: none; transition: transform 0.3s var(--ease-out); }
.btn-pill:hover .arrow { transform: translateX(3px); }

/* =========================================================
   ヘッダー
   ========================================================= */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
  position: relative;
  z-index: 100;
}
.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-6);
  width: min(1280px, 96vw);
  margin: 0 auto;
  padding: var(--space-4) 0;
}
.brand { display: flex; align-items: center; gap: var(--space-3); }
.brand-logo {
  width: 52px; height: 52px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  display: grid; place-items: center;
  font-weight: 900; font-size: 22px;
  flex: none;
}
.brand-name {
  font-weight: 900;
  font-size: 17px;
  color: var(--color-primary);
  line-height: 1.4;
  letter-spacing: 0.02em;
}
.brand-tagline {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-muted);
  letter-spacing: 0.08em;
}

.global-nav > ul { display: flex; justify-content: center; gap: 4px; }
.global-nav a {
  position: relative;
  display: flex; flex-direction: column; align-items: center;
  gap: 6px;
  padding: 14px 18px 16px;
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
  transition: color 0.3s ease;
}
.global-nav .icn {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  color: var(--color-primary);
  transition: transform 0.4s var(--ease-out), color 0.3s ease;
}
.global-nav .icn svg { width: 100%; height: 100%; }
.global-nav a::after {
  content: "";
  position: absolute;
  left: 18px; right: 18px; bottom: 8px;
  height: 2.5px;
  background: var(--color-accent);
  border-radius: var(--radius-pill);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.45s var(--ease-out);
}
.global-nav a:hover { color: var(--color-accent); }
.global-nav a:hover .icn { transform: translateY(-4px); color: var(--color-accent); }
.global-nav a:hover::after { transform: scaleX(1); }

.header-actions { display: flex; gap: var(--space-2); }

/* =========================================================
   フローティングメニュー / ドロワー
   ========================================================= */
.floating-menu {
  position: fixed; top: 18px; right: 18px;
  z-index: 200;
  opacity: 0; pointer-events: none;
  transform: translateY(-12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.floating-menu.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.floating-menu-btn {
  width: 64px; height: 64px;
  border: none;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-fab);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px;
  transition: background 0.3s ease;
}
.floating-menu-btn:hover { background: var(--color-accent); }
.floating-menu-btn .bar {
  width: 26px; height: 2.5px;
  background: #fff;
  border-radius: var(--radius-pill);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.is-open .floating-menu-btn .bar:nth-child(1) { transform: translateY(8.5px) rotate(45deg); }
.is-open .floating-menu-btn .bar:nth-child(2) { opacity: 0; }
.is-open .floating-menu-btn .bar:nth-child(3) { transform: translateY(-8.5px) rotate(-45deg); }

.drawer-overlay {
  position: fixed; inset: 0;
  background: rgba(20,35,64,0.4);
  opacity: 0; pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 150;
}
.drawer-overlay.is-open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; right: 0;
  width: min(420px, 90vw); height: 100vh;
  background: var(--color-surface);
  z-index: 180;
  transform: translateX(100%);
  transition: transform 0.5s var(--ease-out);
  overflow-y: auto;
  padding: 100px 36px 40px;
  box-shadow: -12px 0 36px rgba(20,35,64,0.15);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}
.drawer.is-open { transform: translateX(0); }
.drawer-section { margin-bottom: var(--space-6); }
.drawer-title {
  font-size: var(--fs-sm);
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
  position: relative;
  padding-left: 14px;
}
.drawer-title::before {
  content: "";
  position: absolute;
  left: 0; top: 0.25em; bottom: 0.25em;
  width: 4px; background: var(--color-accent);
  border-radius: var(--radius-pill);
}
.drawer-nav li a {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) 0;
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--fs-body);
  border-bottom: 1px solid var(--color-line);
  transition: padding-left 0.3s ease, color 0.3s ease;
}
.drawer-nav li a:hover { padding-left: var(--space-2); color: var(--color-accent); }
.drawer-nav .icn { width: 24px; height: 24px; flex: none; }
.drawer-cta { display: grid; gap: var(--space-2); }
.drawer-cta .btn-pill { justify-content: center; }

/* =========================================================
   セクション見出し（縦アクセントバー）
   ========================================================= */
.section { padding: var(--space-9) 0; }
.section-head {
  margin-bottom: var(--space-7);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.section-head-text { max-width: 40em; }
.section-jp {
  font-size: var(--fs-h2);
  font-weight: 900;
  color: var(--color-primary);
  position: relative;
  padding-left: 22px;
  line-height: 1.4;
  margin: 0;
  letter-spacing: 0.02em;
}
.section-jp::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.25em; bottom: 0.25em;
  width: 6px;
  background: var(--color-accent);
  border-radius: var(--radius-pill);
}
.section-lead {
  margin: var(--space-3) 0 0;
  padding-left: 22px;
  color: var(--color-muted);
  font-size: var(--fs-body);
}

/* =========================================================
   フッター
   ========================================================= */
.site-footer {
  background: var(--color-primary-deep);
  color: rgba(255,255,255,0.75);
  padding: var(--space-8) 0 var(--space-5);
  font-size: var(--fs-sm);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: var(--space-7);
}
.footer-nav ul { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--space-2) var(--space-5); }
.footer-nav a {
  font-weight: 500;
  transition: color 0.3s ease;
  display: inline-block;
  padding: var(--space-1) 0;
}
.footer-nav a:hover { color: var(--color-accent-soft); }
.copyright {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.5);
  font-size: var(--fs-xs);
}