/* ==========================================================================
   Design Tokens
   ========================================================================== */
:root {
  /* 背景 */
  --bg-primary:   #fafafa;
  --bg-secondary: #f2f2f0;
  --bg-dark:      #111111;

  /* テキスト */
  --text-primary:   #1a1a1a;
  --text-secondary: #666666;
  --text-inverse:   #fafafa;

  /* アクセント（カスタマイザーで上書き可能） */
  --accent:       #2d5a3d;
  --accent-light: #4a8a60;

  /* 境界線 */
  --border:        #e0e0e0;
  --border-strong: #1a1a1a;

  /* タイポグラフィ */
  --font-sans:       'Noto Sans JP', sans-serif;
  --font-serif-en:   'DM Serif Display', Georgia, serif;
  --font-serif-ja:   'Noto Serif JP', 'Yu Mincho', '游明朝', serif;
  --font-size-base:  clamp(0.9rem, 2vw, 1rem);
  --line-height:     1.9;

  /* スペーシング */
  --section-padding: clamp(80px, 10vw, 140px);
  --wrap-max:        1200px;
  --wrap-pad:        clamp(20px, 4vw, 48px);

  /* ヘッダー */
  --header-h: 64px;

  /* トランジション */
  --transition:      0.25s ease;
  --transition-slow: 0.6s ease-out;
}

/* ==========================================================================
   リセット
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  padding-top: var(--header-h);
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

/* ==========================================================================
   アクセシビリティ
   ========================================================================== */
.skip-link {
  position: fixed;
  top: -100%;
  left: 0;
  z-index: 99999;
  padding: 0.75rem 1.5rem;
  background: var(--bg-dark);
  color: var(--text-inverse);
  font-weight: 700;
  font-size: 0.9rem;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
:focus:not(:focus-visible) { outline: none; }

/* ==========================================================================
   ユーティリティ
   ========================================================================== */
.edel-wrap {
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: var(--wrap-pad);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

/* ==========================================================================
   ヘッダー
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: var(--header-h);
}

/* ロゴ */
.site-header__logo { flex-shrink: 0; }

.site-header__logo-text {
  margin: 0;
  line-height: 1;
}

.site-header__logo-text a {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.logo-name {
  display: block;
  font-family: var(--font-serif-en);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  line-height: 1;
}

.logo-sub {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.52rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
  line-height: 1;
}

/* デスクトップナビ */
.site-nav {
  display: none;
  flex: 1;
  justify-content: flex-end;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.site-nav__list li a {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

.site-nav__list li a:hover,
.site-nav__list li.current-menu-item a {
  color: var(--accent);
}

/* Instagram リンク（デスクトップ） */
.site-header__instagram {
  display: none;
  flex-shrink: 0;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.site-header__instagram:hover { color: var(--accent); }

/* ハンバーガーボタン */
.site-header__hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 4px;
  flex-shrink: 0;
}

.hamburger-bar {
  display: block;
  width: 22px;
  height: 1px;
  background-color: var(--text-primary);
  transition: transform var(--transition), opacity var(--transition);
}

.site-header__hamburger[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.site-header__hamburger[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.site-header__hamburger[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* モバイルメニュー */
.mobile-menu {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 999;
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  transform: translateY(-110%);
  opacity: 0;
  visibility: hidden;
  transition:
    transform 0.35s ease-out,
    opacity 0.35s ease-out,
    visibility 0.35s ease-out;
  padding-block: 0.5rem 2rem;
  max-height: calc(100dvh - var(--header-h));
  overflow-y: auto;
  overscroll-behavior: contain;
}

.mobile-menu.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.mobile-menu__list li a {
  display: block;
  padding: 1rem var(--wrap-pad);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), padding-left var(--transition);
}
.mobile-menu__list li a:hover {
  color: var(--accent);
  padding-left: calc(var(--wrap-pad) + 8px);
}

.mobile-menu__footer {
  padding: 1.5rem var(--wrap-pad) 0;
}

.mobile-menu__instagram {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.mobile-menu__instagram:hover { color: var(--accent); }

/* ==========================================================================
   管理バー対応
   ========================================================================== */
@media screen and (min-width: 601px) {
  .admin-bar .site-header { top: 32px; }
  .admin-bar .mobile-menu { top: calc(32px + var(--header-h)); }
}
@media screen and (max-width: 600px) {
  .admin-bar .site-header { top: 46px; }
  .admin-bar .mobile-menu { top: calc(46px + var(--header-h)); }
}

/* ==========================================================================
   レスポンシブ
   ========================================================================== */
@media (min-width: 768px) {
  .site-header__hamburger { display: none; }
  .site-nav { display: flex; }
  .site-header__instagram { display: flex; }
}

/* ==========================================================================
   Back to Top ボタン
   ========================================================================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  width: 40px;
  height: 40px;
  background-color: var(--text-primary);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  translate: 0 8px;
  transition: opacity 0.4s ease, translate 0.4s ease;
}
.back-to-top:not([hidden]) { opacity: 1; translate: 0 0; }
.back-to-top[hidden] { display: flex; opacity: 0; pointer-events: none; }
.back-to-top:hover { background-color: var(--accent); }

@media (max-width: 767px) {
  .back-to-top { bottom: 1.25rem; right: 1.25rem; }
}

/* ==========================================================================
   ページヒーロー（内部ページ共通）
   ========================================================================== */
.page-hero {
  position: relative;
  height: clamp(200px, 30vh, 360px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background-color: var(--bg-dark);
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.4;
  z-index: 0;
}

.page-hero__content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
  padding-top: var(--header-h);
}

.page-hero__title {
  font-family: var(--font-serif-ja);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 300;
  color: var(--text-inverse);
  letter-spacing: 0.06em;
  line-height: 1.4;
}

.page-hero__en {
  display: block;
  font-family: var(--font-serif-en);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(250, 250, 250, 0.5);
  margin-top: 0.6rem;
}

/* ==========================================================================
   WordPress / CF7 共通スタイル
   ========================================================================== */
.entry-content p,
.single-body p {
  margin-top: 1rem;
}
.entry-content p:first-child,
.single-body p:first-child {
  margin-top: 0;
}

.wpcf7-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.wpcf7-form > p { margin: 0; }

.wpcf7-form label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

.wpcf7-form .wpcf7-form-control-wrap {
  display: block;
  margin-top: 0.4rem;
}

.wpcf7-form input[type="text"],
.wpcf7-form input[type="email"],
.wpcf7-form input[type="tel"],
.wpcf7-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  outline: none;
  transition: border-color 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
}
.wpcf7-form input:focus,
.wpcf7-form textarea:focus {
  border-color: var(--accent);
}

.wpcf7-form textarea {
  min-height: 160px;
  resize: vertical;
  line-height: 1.8;
}

.wpcf7-form input[type="submit"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.5rem;
  font-size: 0.9rem;
  font-weight: 700;
  font-family: inherit;
  letter-spacing: 0.1em;
  color: var(--text-inverse);
  background-color: var(--accent);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
  min-width: 200px;
}
.wpcf7-form input[type="submit"]:hover { background-color: var(--accent-light); }

.wpcf7-not-valid-tip {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.78rem;
  color: #c0392b;
}

.wpcf7-mail-sent-ok {
  background-color: #f0faf4;
  color: #1a7a3c;
  padding: 0.85rem 1.25rem;
  font-size: 0.9rem;
  border-left: 3px solid #2ecc71;
}

.wpcf7-mail-sent-ng,
.wpcf7-validation-errors {
  background-color: #fdf3f2;
  color: #c0392b;
  padding: 0.85rem 1.25rem;
  font-size: 0.9rem;
  border-left: 3px solid #c0392b;
}

/* ==========================================================================
   スマホ共通補正
   ========================================================================== */
@media (max-width: 767px) {
  #main-content {
    padding: 0;
  }
}

/* ==========================================================================
   印刷用
   ========================================================================== */
@media print {
  .site-header,
  .site-header__hamburger,
  #mobile-menu,
  .site-footer,
  .back-to-top { display: none !important; }

  body { font-size: 12pt; line-height: 1.6; padding-top: 0; }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
  }
  a[href^="#"]::after,
  a[href^="javascript:"]::after { content: ""; }
}