/* ============================================================
   CSS カスタムプロパティ
   ============================================================ */
:root {
  --color-bg:         #0F0F1A;
  --color-text:       #F3F4F6;
  --color-text-sub:   rgba(243, 244, 246, 0.55);
  --color-accent:     #818CF8;
  --color-accent-sub: #A78BFA;
  --color-border:     rgba(255,255,255,0.08);
  --color-card-bg:    rgba(255,255,255,0.04);
  --color-input-bg:   rgba(255,255,255,0.06);
  --color-shadow:     rgba(129, 140, 248, 0.12);
  --radius-sm:  8px;
  --radius-md:  12px;
  --radius-lg:  16px;
  --radius-xl:  20px;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --color-bg:       #F5F5F7;
    --color-text:     #1D1D1F;
    --color-text-sub: rgba(29,29,31,0.55);
    --color-accent:     #4F46E5;
    --color-accent-sub: #7C3AED;
    --color-border:     rgba(0,0,0,0.08);
    --color-card-bg:    #FFFFFF;
    --color-input-bg:   #FFFFFF;
    --color-shadow:     rgba(79, 70, 229, 0.08);
  }
}

[data-theme="light"] {
  --color-bg:       #F5F5F7;
  --color-text:     #1D1D1F;
  --color-text-sub: rgba(29,29,31,0.55);
  --color-accent:     #4F46E5;
  --color-accent-sub: #7C3AED;
  --color-border:     rgba(0,0,0,0.08);
  --color-card-bg:    #FFFFFF;
  --color-input-bg:   #FFFFFF;
  --color-shadow:     rgba(79, 70, 229, 0.08);
}

[data-theme="dark"] {
  --color-bg:         #0F0F1A;
  --color-text:       #F3F4F6;
  --color-text-sub:   rgba(243,244,246,0.55);
  --color-accent:     #818CF8;
  --color-accent-sub: #A78BFA;
  --color-border:     rgba(255,255,255,0.08);
  --color-card-bg:    rgba(255,255,255,0.04);
  --color-input-bg:   rgba(255,255,255,0.06);
  --color-shadow:     rgba(129,140,248,0.12);
}

/* ============================================================
   ローディング
   ============================================================ */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg);
  transition: opacity 0.35s ease;
}
.page-loader.is-loaded { opacity: 0; pointer-events: none; }
.page-loader__spinner {
  width: 36px;
  height: 36px;
  border: 2.5px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   リセット・ベース
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html {
  color-scheme: dark light;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  line-height: 1.7;
  transition: background-color 0.25s ease, color 0.25s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-accent); text-decoration: none; transition: color 0.15s ease; }
a:hover { color: var(--color-accent-sub); }
img { max-width: 100%; height: auto; display: block; }
p { margin: 0 0 1.25rem; }
p:last-child { margin-bottom: 0; }

/* ============================================================
   ヘッダー
   ============================================================ */
.site-header {
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: background-color 0.25s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.wp-block-site-title a {
  font-family: 'Inter', -apple-system, sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-text);
  letter-spacing: -0.025em;
  white-space: nowrap;
}
.wp-block-site-title a:hover { color: var(--color-accent); }

/* ============================================================
   ナビゲーション
   ============================================================ */
.wp-block-navigation {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.wp-block-navigation-item__content {
  color: var(--color-text);
  opacity: 0.8;
  padding: 0.375rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: opacity 0.15s ease, background-color 0.15s ease;
}
.wp-block-navigation-item__content:hover {
  opacity: 1;
  background-color: var(--color-card-bg);
}

/* ドロップダウン */
.wp-block-navigation__submenu-container {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.375rem;
  box-shadow: 0 8px 32px var(--color-shadow), 0 2px 8px rgba(0,0,0,0.12);
  min-width: 192px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}
.wp-block-navigation__submenu-container .wp-block-navigation-item__content {
  padding: 0.5rem 0.875rem;
  border-radius: var(--radius-sm);
  display: block;
}

/* Coming Soon */
.wp-block-navigation-item a[href="#"] {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

/* モバイルハンバーガー */
.wp-block-navigation__responsive-container-open,
.wp-block-navigation__responsive-container-close {
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.375rem 0.5rem;
}
.wp-block-navigation__responsive-container.is-menu-open {
  background-color: var(--color-bg);
  padding: 1.5rem;
}

/* ============================================================
   テーマ切替ボタン
   ============================================================ */
.header-actions { display: flex; align-items: center; gap: 0.5rem; }

.theme-toggle {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.375rem 0.625rem;
  cursor: pointer;
  font-size: 0.9375rem;
  line-height: 1;
  color: var(--color-text);
  transition: background-color 0.15s ease;
}
.theme-toggle:hover { background-color: var(--color-border); }

/* ============================================================
   フッター
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
  margin-top: 6rem;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}
.footer-nav .wp-block-navigation-item__content { font-size: 0.875rem; }
.copyright { font-size: 0.8125rem; opacity: 0.4; margin: 0; }

/* ============================================================
   ヒーローセクション
   ============================================================ */
.hero-section {
  padding: 6rem 1.5rem 5rem;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.hero-section h1 {
  font-family: 'Inter', -apple-system, sans-serif;
  font-size: clamp(2.25rem, 5.5vw, 3.75rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-sub) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-section p {
  font-size: 1.125rem;
  color: var(--color-text-sub);
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

/* ============================================================
   作品グリッド
   ============================================================ */
.works-section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 5rem;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
@media (max-width: 1024px) { .works-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px)  { .works-grid { grid-template-columns: 1fr; } }

/* 作品カード */
.works-grid .wp-block-post {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s cubic-bezier(.25,.46,.45,.94),
              box-shadow 0.25s cubic-bezier(.25,.46,.45,.94),
              border-color 0.25s ease;
}
.works-grid .wp-block-post:hover {
  transform: translateY(-5px) scale(1.005);
  box-shadow: 0 20px 48px var(--color-shadow);
  border-color: var(--color-accent);
}

.works-grid .wp-block-post-featured-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.works-grid .wp-block-post-title {
  font-family: 'Inter', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 1rem 1.125rem 0.25rem;
  margin: 0;
}
.works-grid .wp-block-post-title a { color: var(--color-text); }
.works-grid .wp-block-post-title a:hover { color: var(--color-accent); }

.works-grid .wp-block-post-excerpt {
  font-size: 0.8125rem;
  color: var(--color-text-sub);
  padding: 0 1.125rem 1.125rem;
  margin: 0;
  line-height: 1.6;
}

/* ページネーション */
.wp-block-query-pagination {
  display: flex;
  justify-content: center;
  gap: 0.375rem;
  margin-top: 3.5rem;
}
.wp-block-query-pagination-numbers a,
.wp-block-query-pagination-previous a,
.wp-block-query-pagination-next a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  padding: 0 0.75rem;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-text);
  transition: all 0.15s ease;
}
.wp-block-query-pagination-numbers a:hover,
.wp-block-query-pagination-previous a:hover,
.wp-block-query-pagination-next a:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ============================================================
   ボタン
   ============================================================ */
.wp-block-button__link {
  background-color: var(--color-accent);
  color: #fff !important;
  border-radius: var(--radius-md) !important;
  padding: 0.8125rem 1.875rem !important;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  transition: background-color 0.15s ease, transform 0.15s ease, opacity 0.15s ease;
}
.wp-block-button__link:hover {
  background-color: var(--color-accent-sub);
  transform: translateY(-1px);
  opacity: 0.95;
}
.wp-block-button__link:active { transform: translateY(0); }

.wp-block-button.is-style-outline .wp-block-button__link {
  background-color: transparent !important;
  border: 1.5px solid var(--color-accent) !important;
  color: var(--color-accent) !important;
}
.wp-block-button.is-style-outline .wp-block-button__link:hover {
  background-color: var(--color-accent) !important;
  color: #fff !important;
}

/* ============================================================
   固定ページ コンテンツ
   ============================================================ */
.wp-block-post-content {
  max-width: 680px;
  margin: 2.5rem auto 0;
  padding: 0 1.5rem;
  line-height: 1.85;
}
.wp-block-post-content h1 {
  font-family: 'Inter', sans-serif;
  font-size: clamp(1.875rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}
.wp-block-post-content h2 {
  font-family: 'Inter', sans-serif;
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}
.wp-block-post-content h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

/* ============================================================
   Contact Form 7 — Apple HIG インスパイア
   ============================================================ */
.wpcf7 {
  max-width: 560px;
  margin: 2rem 0;
}

.cf7-field {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  margin-bottom: 1.25rem;
}

.cf7-field label {
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-sub);
  letter-spacing: 0.01em;
}

.cf7-field label abbr {
  text-decoration: none;
  color: var(--color-accent);
  margin-left: 2px;
  font-style: normal;
  font-size: 0.75rem;
}

/* 入力フィールド共通 */
.wpcf7-form-control:not(.wpcf7-submit) {
  width: 100%;
  padding: 0.875rem 1rem;
  background-color: var(--color-input-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
  outline: none;
}

.wpcf7-form-control:not(.wpcf7-submit):focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3.5px rgba(129,140,248,0.18);
  background-color: var(--color-card-bg);
}

[data-theme="light"] .wpcf7-form-control:not(.wpcf7-submit):focus {
  box-shadow: 0 0 0 3.5px rgba(79,70,229,0.12);
}

.wpcf7-form-control::placeholder {
  color: var(--color-text);
  opacity: 0.3;
}

/* セレクト */
.wpcf7-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23818CF8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.75rem;
  cursor: pointer;
}

/* テキストエリア */
.wpcf7-textarea {
  resize: vertical;
  min-height: 156px;
  line-height: 1.65;
}

/* 送信ボタン */
.wpcf7-submit {
  width: 100%;
  padding: 0.9375rem 1rem;
  background-color: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease, opacity 0.15s ease;
  margin-top: 0.5rem;
  -webkit-appearance: none;
}
.wpcf7-submit:hover   { background-color: var(--color-accent-sub); transform: translateY(-1px); }
.wpcf7-submit:active  { transform: translateY(0); opacity: 0.9; }
.wpcf7-submit:disabled { opacity: 0.5; cursor: not-allowed; }

/* バリデーションメッセージ */
.wpcf7-not-valid-tip {
  font-size: 0.8125rem;
  color: #F87171;
  margin-top: 0.25rem;
}
.wpcf7-response-output {
  margin-top: 1.25rem;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  border: 1px solid var(--color-border);
}
.wpcf7-form.sent .wpcf7-response-output {
  background: rgba(129,140,248,0.08);
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.wpcf7-form.invalid .wpcf7-response-output,
.wpcf7-form.failed  .wpcf7-response-output {
  background: rgba(248,113,113,0.08);
  border-color: #F87171;
  color: #F87171;
}

/* ============================================================
   作品詳細ページ
   ============================================================ */
.single-works-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

.works-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin: 0.75rem 0 1.75rem;
  font-size: 0.8125rem;
  color: var(--color-text-sub);
}
.works-meta .wp-block-post-terms a,
.works-meta .wp-block-post-date,
.works-meta .wp-block-post-modified-date {
  color: var(--color-text-sub);
  text-decoration: none;
}
.works-meta .wp-block-post-terms a {
  background: rgba(129,140,248,0.12);
  color: var(--color-accent);
  padding: 0.2rem 0.625rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
}

/* ダウンロードボタン */
.mylab-download-wrap {
  text-align: center;
  margin: 1.75rem 0;
}
.mylab-download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--color-accent);
  color: #fff;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 0.9375rem 2.5rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: background-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 2px 12px rgba(79,70,229,0.3);
}
.mylab-download-btn:hover {
  background: var(--color-accent-sub);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79,70,229,0.4);
  color: #fff;
}
.mylab-download-btn:active { transform: translateY(0); }
.mylab-download-btn--external {
  background: transparent;
  border: 1.5px solid var(--color-accent);
  color: var(--color-accent);
  box-shadow: none;
}
.mylab-download-btn--external:hover {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(79,70,229,0.3);
}

/* タクソノミーグループ */
.works-taxonomy-group {
  margin: 2rem 0 0.5rem;
}
.works-taxonomy-group h3 {
  font-family: 'Inter', sans-serif;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-sub);
  margin-bottom: 0.5rem;
}
.works-taxonomy-group .wp-block-post-terms a {
  display: inline-block;
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 0.8125rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  margin: 0.125rem;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.works-taxonomy-group .wp-block-post-terms a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* 更新履歴テーブル */
.mylab-update-history {
  margin: 2.5rem 0;
}
.mylab-update-history h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.mylab-update-history table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}
.mylab-update-history th {
  text-align: left;
  padding: 0.625rem 0.875rem;
  background: var(--color-card-bg);
  border-bottom: 2px solid var(--color-border);
  font-weight: 600;
  color: var(--color-text-sub);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.mylab-update-history td {
  padding: 0.625rem 0.875rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: top;
}
.mylab-update-history tr:last-child td { border-bottom: none; }

/* 注意事項・免責事項 */
.mylab-disclaimer {
  margin: 2rem 0;
  padding: 1rem 1.25rem;
  background: var(--color-card-bg);
  border-left: 3px solid var(--color-border);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.8125rem;
  color: var(--color-text-sub);
  line-height: 1.75;
}
.mylab-disclaimer p { margin: 0; }

/* ============================================================
   404 ページ
   ============================================================ */
.error-404-content {
  text-align: center;
  padding: 6rem 1.5rem;
}

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (max-width: 768px) {
  .header-inner  { padding: 0 1rem; }
  .hero-section  { padding: 4rem 1rem 3rem; }
  .works-section { padding: 1.5rem 1rem 4rem; }
  .site-footer   { padding: 2rem 0; margin-top: 4rem; }
  .wp-block-post-content { padding: 0 1rem; }
  .wpcf7 { margin: 1.5rem 0; }
}

/* ============================================================
   ユーティリティ
   ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}