/* ============================================================
   海外投資協会 — Global chrome (header / global nav / footer)
   ============================================================ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

/* レイアウト防御：旧Avada/Fusion等のプラグインCSSが .site-main を float させると
   フッターが本文の右横に回り込むため、本文は常に全幅・非フロートに固定する。 */
.site-main { float: none !important; width: 100% !important; clear: both; }
.site-footer { clear: both; }
body.oi {
  margin: 0; padding: 0;
  font-family: var(--font-sans);
  color: var(--ink-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.8;
}
.oi img { max-width: 100%; height: auto; display: block; }
.oi a { color: var(--navy-600); }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--navy-700); color: #fff; padding: 10px 16px; z-index: 200; border-radius: 0 0 var(--radius-md) 0; }
.skip-link:focus { left: 0; }

/* ---- Site header ---- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line-200); box-shadow: var(--shadow-xs); }
.site-header__inner { max-width: var(--container-wide); margin: 0 auto; padding: 0 22px; height: 68px; display: flex; align-items: center; gap: 18px; }
.site-logo { display: inline-flex; align-items: center; flex: none; }
.site-logo img { height: 34px; width: auto; }
.site-logo .txt { font-family: var(--font-serif); font-weight: 700; font-size: 19px; color: var(--navy-700); letter-spacing: 0.04em; }
.head-cta { flex: none; text-align: center; text-decoration: none; background: linear-gradient(180deg, var(--gold-300), var(--gold-500)); color: var(--navy-900); font-weight: 700; font-size: 14px; line-height: 1.3; padding: 9px 18px; border-radius: var(--radius-md); border: 1px solid var(--gold-600); box-shadow: var(--shadow-sm); transition: filter var(--dur) var(--ease-out); }
.head-cta:hover { filter: brightness(0.95); }

/* ---- Global navigation (mega menu) ---- */
.gnav { display: flex; align-items: stretch; gap: 0; margin-left: 6px; flex: 1; height: 68px; list-style: none; padding: 0; }
.gnav-item { position: relative; display: flex; align-items: center; }
.gnav-link { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 68px; padding: 0 11px; text-decoration: none; line-height: 1.25; white-space: nowrap; cursor: pointer; }
.gnav-link .l { font-size: 14px; font-weight: 700; color: var(--ink-900); white-space: nowrap; transition: color var(--dur) var(--ease-out); }
.gnav-link .s { font-size: 14px; color: var(--ink-500); margin-top: 1px; }
.gnav-item.has-menu > .gnav-link .l::after { content: ""; display: inline-block; width: 5px; height: 5px; margin-left: 5px; border-right: 1.6px solid var(--ink-300); border-bottom: 1.6px solid var(--ink-300); transform: translateY(-2px) rotate(45deg); transition: transform var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out); }
.gnav-item:hover > .gnav-link .l, .gnav-item:focus-within > .gnav-link .l { color: var(--navy-700); }
.gnav-item.has-menu:hover > .gnav-link .l::after, .gnav-item.has-menu:focus-within > .gnav-link .l::after { transform: translateY(0) rotate(45deg); border-color: var(--navy-600); }
.gnav-item::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: 12px; height: 2px; background: var(--gold-500); border-radius: 2px; transform: scaleX(0); transition: transform var(--dur) var(--ease-out); }
.gnav-item:hover::after, .gnav-item:focus-within::after { transform: scaleX(1); }
.gnav-item.current-menu-item::after, .gnav-item.current-menu-ancestor::after { transform: scaleX(1); }

.gnav-panel { position: absolute; top: 68px; left: 50%; transform: translateX(-50%) translateY(8px); min-width: 268px; max-width: 320px; background: var(--white); border: 1px solid var(--line-200); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 10px; opacity: 0; visibility: hidden; pointer-events: none; z-index: 60; list-style: none; margin: 0; transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-out); }
.gnav-item:hover > .gnav-panel, .gnav-item:focus-within > .gnav-panel { opacity: 1; visibility: visible; pointer-events: auto; transform: translateX(-50%) translateY(0); }
.gnav-panel.align-right { left: auto; right: 0; transform: translateX(0) translateY(8px); }
.gnav-item:hover > .gnav-panel.align-right, .gnav-item:focus-within > .gnav-panel.align-right { transform: translateX(0) translateY(0); }
.gnav-lead { display: flex; flex-direction: column; gap: 3px; text-decoration: none; padding: 11px 13px; border-radius: var(--radius-md); background: var(--navy-050); border: 1px solid var(--navy-100); margin-bottom: 6px; transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out); }
.gnav-lead .t { font-family: var(--font-serif); font-weight: 700; font-size: 14px; color: var(--navy-700); line-height: 1.4; }
.gnav-lead .d { font-size: 14px; color: var(--ink-500); line-height: 1.5; }
.gnav-lead:hover { border-color: var(--navy-300); background: var(--white); }
.gnav-cap { font-size: 14px; font-weight: 700; letter-spacing: 0.1em; color: var(--ink-300); padding: 9px 13px 4px; }
.gnav-sub { display: flex; align-items: flex-start; gap: 9px; text-decoration: none; padding: 8px 13px; border-radius: var(--radius-sm); font-size: 14px; color: var(--ink-700); line-height: 1.45; transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out); }
.gnav-sub::before { content: ""; flex: none; width: 5px; height: 5px; margin-top: 6px; border-radius: 50%; background: var(--gold-400); }
.gnav-sub:hover { background: var(--navy-050); color: var(--navy-700); }

/* hamburger (mobile only) */
.gnav-burger { display: none; flex: none; width: 42px; height: 42px; margin-left: auto; border: 1px solid var(--line-200); border-radius: var(--radius-md); background: var(--white); cursor: pointer; position: relative; }
.gnav-burger span, .gnav-burger span::before, .gnav-burger span::after { content: ""; position: absolute; left: 50%; top: 50%; width: 20px; height: 2px; background: var(--navy-700); border-radius: 2px; transform: translate(-50%, -50%); transition: transform var(--dur) var(--ease-out), opacity var(--dur) var(--ease-out); }
.gnav-burger span::before { top: -6px; }
.gnav-burger span::after { top: 6px; }
.gnav-burger.open span { background: transparent; }
.gnav-burger.open span::before { transform: translate(-50%, -50%) rotate(45deg); top: 0; }
.gnav-burger.open span::after { transform: translate(-50%, -50%) rotate(-45deg); top: 0; }

/* ---- Footer ---- */
.site-footer { background: var(--navy-900); color: var(--text-on-navy-muted); }
.site-footer__top { max-width: var(--container-max); margin: 0 auto; padding: 50px 22px 38px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 36px; }
.footer-brand .footer-logo img { height: 32px; width: auto; filter: brightness(0) invert(1); opacity: 0.95; }
.footer-brand .footer-logo .txt { font-family: var(--font-serif); font-weight: 700; font-size: 18px; color: #fff; letter-spacing: 0.04em; }
.footer-brand p { font-size: 14px; line-height: 1.9; margin: 14px 0 0; color: rgba(169,194,216,0.85); }
.footer-badges { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.footer-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700; letter-spacing: 0.02em; color: var(--gold-300); background: rgba(196,160,82,0.12); border: 1px solid rgba(196,160,82,0.35); padding: 4px 10px; border-radius: var(--radius-pill); }
.footer-col h3 { font-family: var(--font-sans); font-size: 14px; font-weight: 700; letter-spacing: 0.08em; color: #fff; margin: 0 0 14px; padding-bottom: 10px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-col a { font-size: 14px; color: var(--text-on-navy-muted); text-decoration: none; transition: color var(--dur) var(--ease-out); line-height: 1.5; }
.footer-col a:hover { color: #fff; }
.footer-cta { display: inline-flex; align-items: center; justify-content: center; gap: 8px; margin-top: 14px; font-weight: 700; font-size: 14px; color: var(--navy-900); background: linear-gradient(180deg, var(--gold-300), var(--gold-500)); border: 1px solid var(--gold-600); border-radius: var(--radius-md); padding: 11px 18px; text-decoration: none; box-shadow: var(--shadow-sm); transition: filter var(--dur) var(--ease-out); }
.footer-cta:hover { filter: brightness(0.95); }
.site-footer__bottom { border-top: 1px solid rgba(255,255,255,0.08); }
.site-footer__bottom-inner { max-width: var(--container-max); margin: 0 auto; padding: 16px 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-legal { display: flex; gap: 16px; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; }
.footer-legal a { font-size: 14px; color: var(--text-on-navy-muted); text-decoration: none; }
.footer-legal a:hover { color: #fff; }
.footer-copy { font-size: 14px; color: rgba(169,194,216,0.6); }

/* ---- Shared building blocks ---- */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 22px; }
.sechead { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; }
.sechead__row { display: flex; align-items: baseline; gap: 14px; }
.sechead__serial { font-family: var(--font-serif); font-weight: 700; font-size: 28px; color: var(--gold-600); line-height: 1; }
.sechead__title { margin: 0; font-family: var(--font-serif); font-weight: 600; font-size: var(--fs-h1); letter-spacing: var(--ls-heading); color: var(--ink-900); line-height: 1.3; }
.sechead__rule { width: 48px; height: 3px; border-radius: 2px; background: var(--gold-500); }

/* ---- Responsive: nav → mobile drawer ---- */
@media (max-width: 920px) {
  .gnav-burger { display: block; }
  .gnav { position: fixed; top: 68px; left: 0; right: 0; bottom: 0; height: auto; flex-direction: column; align-items: stretch; gap: 0; margin: 0; padding: 8px 16px 48px; background: var(--white); border-top: 1px solid var(--line-200); overflow-y: auto; transform: translateX(-100%); transition: transform var(--dur) var(--ease-out); z-index: 40; }
  .gnav.open { transform: translateX(0); }
  .gnav-item { position: static; display: block; border-bottom: 1px solid var(--line-100); }
  .gnav-item::after { display: none; }
  .gnav-link { flex-direction: row; align-items: center; justify-content: flex-start; gap: 8px; height: auto; padding: 14px 4px; }
  .gnav-link .s { margin-top: 0; }
  .gnav-item.has-menu > .gnav-link .l::after { margin-left: 7px; }
  .gnav-panel { position: static; transform: none; opacity: 1; visibility: visible; pointer-events: auto; min-width: 0; max-width: none; box-shadow: none; border: none; border-radius: 0; padding: 0 0 10px 6px; }
  .gnav-panel.align-right { right: auto; }
  .site-footer__top { grid-template-columns: 1fr 1fr; gap: 28px; }
}
@media (max-width: 560px) {
  .site-footer__top { grid-template-columns: 1fr; }
  .site-header__inner { gap: 10px; }
  .head-cta { font-size: 14px; padding: 8px 12px; }
}

/* ============================================================
   フォーム切替タブ（個人 / 法人 / お問い合わせ の3ページを行き来）
   page.php がフォームページの本文上部にフル幅バンドで出力する。
   ============================================================ */
.form-tabs { background: var(--surface-cool); border-bottom: 1px solid var(--line-200); }
.form-tabs__inner { max-width: var(--container-max); margin: 0 auto; padding: 0 22px; display: flex; gap: 0; }
.form-tabs .form-tab { flex: 1; text-align: center; padding: 16px 12px; font-family: var(--font-sans); font-size: 15px; font-weight: 700; color: var(--ink-500); text-decoration: none; border: none; border-bottom: 3px solid transparent; transition: color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out); }
.form-tabs .form-tab:hover { color: var(--navy-700); background: rgba(255,255,255,0.7); border-bottom-color: var(--navy-200); }
.form-tabs .form-tab.is-active { color: var(--navy-800); background: var(--white); border-bottom-color: var(--gold-500); }
@media (max-width: 560px) {
  .form-tabs__inner { padding: 0 8px; }
  .form-tabs .form-tab { font-size: 13.5px; padding: 13px 6px; }
}