@charset "UTF-8";

/*
 * グローバルナビ（7項目＋小項目）
 * 2026-09-17 村上さんのサイトマップ案を反映。
 * 読み込み順：各ページの最後（style.css / palette.css / pages-refined.css の後）。
 * PC（1281px以上）＝横並び＋マウスを乗せると小項目。
 * 1280px以下＝MENUボタンから全画面メニュー（小項目も並べて表示）。
 */

/* ---------- PC ---------- */
.site-header { grid-template-columns: auto 1fr auto; gap: 24px; }
.global-nav { justify-self: end; gap: clamp(16px, 1.6vw, 28px); }
.nav-item { position: relative; display: flex; align-items: center; height: 86px; }
.global-nav .nav-top { font-size: 0.78rem; }
.nav-item.is-current .nav-top { color: var(--accent); }
.nav-item.is-current .nav-top::after { transform: scaleX(1); }

.nav-sub {
  position: absolute;
  z-index: 60;
  top: calc(100% - 12px);
  left: 50%;
  display: flex;
  min-width: 230px;
  flex-direction: column;
  padding: 10px 0;
  background: var(--paper);
  border-top: 2px solid var(--accent);
  box-shadow: 0 18px 40px rgba(31, 38, 32, 0.14);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 8px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms;
}
.nav-item:hover .nav-sub,
.nav-item:focus-within .nav-sub { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.global-nav .nav-sub a { padding: 11px 22px; font-size: 0.8rem; font-weight: 500; }
.global-nav .nav-sub a::after,
.global-nav .nav-contact::after { display: none; }
.global-nav .nav-sub a:hover,
.global-nav .nav-sub a:focus-visible { color: var(--accent); background: var(--tone-pale); }

.global-nav .nav-contact {
  margin-left: 6px;
  padding: 12px 18px;
  color: #fff;
  background: var(--cta-bg);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
}
.global-nav .nav-contact:hover { background: var(--cta-hover); }

/* ---------- タブレット・スマホ ---------- */
@media (max-width: 1280px) {
  .site-header { grid-template-columns: 1fr auto; }
  .header-actions { grid-column: 2; }

  .site-header .global-nav {
    position: fixed;
    z-index: 49;
    inset: 86px 0 0;
    display: block;
    height: calc(100dvh - 86px);
    overflow-y: auto;
    padding: 26px 8vw 64px;
    color: var(--ink);
    background: var(--tone-pale);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-16px);
    transition: opacity 240ms ease, transform 240ms ease;
  }
  .site-header .global-nav.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }

  .nav-item { display: block; height: auto; padding: 18px 0; border-bottom: 1px solid var(--line); }
  .global-nav .nav-top { display: inline-block; font: 600 clamp(1.25rem, 3.6vw, 1.7rem)/1.45 var(--serif); }
  .global-nav .nav-top::after { display: none; }
  .nav-sub,
  .nav-item:hover .nav-sub,
  .nav-item:focus-within .nav-sub {
    position: static;
    display: flex;
    min-width: 0;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px 8px;
    margin-top: 12px;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .global-nav .nav-sub a {
    padding: 7px 12px;
    color: var(--ink);
    background: var(--paper);
    border-radius: 999px;
    font: 500 0.8rem/1.4 var(--sans);
  }
  .global-nav .nav-contact {
    display: block;
    margin: 30px 0 0;
    padding: 18px;
    text-align: center;
    font: 700 1rem/1.4 var(--sans);
  }

  /* MENUボタン：スマホで見つけやすく */
  .menu-button {
    display: flex;
    width: 60px;
    height: 54px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
    border: 0;
    border-radius: 8px;
    background: var(--tone-deep);
    cursor: pointer;
  }
  .menu-button span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: transform 220ms ease, opacity 220ms ease; }
  .menu-button b { margin-top: 3px; color: #fff; font: 700 0.62rem/1 var(--sans); letter-spacing: 0.12em; }
  .menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

@media (max-width: 760px) {
  .site-header .global-nav { inset: 72px 0 0; height: calc(100dvh - 72px); padding: 14px 6vw 56px; }
  .menu-button { width: 56px; height: 50px; }
}

/* フッターのサイトマップ（7グループ） */
.site-footer .footer-sitemap { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1100px) { .site-footer .footer-sitemap { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .site-footer .footer-sitemap { grid-template-columns: repeat(2, minmax(0, 1fr)); } }