/* =========================================================
Common CSS — Lumina (Navy #1a3a5c x White)
========================================================= */
/* Custom Properties */
:root {
--navy-dark: #122a44;
--navy-light: #2a5a8c;
--navy-pale: #e8eef5;
--white: #ffffff;
--bg: #f5f7fa;
--bg-color: #ffffff;
--text: #333333;
--muted: #777777;
--border: #dde4ee;
--radius: 6px;
--shadow: 0 2px 12px rgba(26,58,92,.1);
--container-width: 1100px;
--px: 1.5rem;
--sidebar-w: 280px;
--header-h: 68px;
--ease: .2s ease;
--list-mark-color: #1a3a5c;
--my-font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
}
/* Accessibility */
.screen-reader-text {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border: 0;
}
/* Base */
html, body { margin: 0; padding: 0; }
/* 管理バーによるずれを補正
WP コアの admin-bar.css は `html { margin-top: 32px !important; }` を
要素セレクタ (詳細度 0,0,1) で出力する。読み込み順（本番のCSS結合/
最適化プラグイン等）に左右されず確実に上書きするため、同じ 要素に
一致しつつ詳細度が高い `:root` (0,1,0) を使う。 */
:root {
margin-top: 0 !important;
padding-top: 0 !important;
}
body {
font-family: var(--my-font-family);
color: var(--text);
background: var(--bg-color);
overflow-x: hidden;
}
/* Layout */
.container { max-width: var(--container-width); margin: 0 auto; padding-top: 0; padding-bottom: 0; padding-left: var(--px); padding-right: var(--px); }
.site-wrap { display: flex; flex-direction: column; min-height: 100vh; }
#page.site-wrap {
margin-top: 0;
padding-top: 0;
font-size: 0;
line-height: 0;
}
#page.site-wrap > * {
font-size: 1rem;
line-height: 1.7;
}
.site-content { flex: 1; padding: 3rem 0; }
.content-area {
display: -webkit-box;
display: -webkit-flex;
display: flex;
gap: 2.5rem;
align-items: flex-start;
}
.main-content {
width: 100%;
-webkit-box-flex: 1;
-webkit-flex: 1 1 auto;
flex: 1 1 auto;
min-width: 0;
}
body:not(.has-sidebar) .sidebar { display: none; }
body:not(.has-sidebar) .main-content { max-width: 100%; }
/* =========================================================
Header
========================================================= */
/* トップバー＋ヘッダーをまとめて sticky にするラッパー */
.site-header-wrap {
position: -webkit-sticky;
position: sticky;
top: 0;
z-index: 100;
box-shadow: 0 2px 8px rgba(0,0,0,.2);
}
/* 管理バー表示時: sticky の貼り付き位置を admin bar 分下げる */
.admin-bar .site-header-wrap {
top: 32px;
}
@media screen and (max-width: 782px) {
:root {
margin-top: 0 !important;
padding-top: 0 !important;
}
.admin-bar .site-header-wrap {
top: 46px;
}
}
.site-header {
display: block;
margin-top: 0;
padding-top: 0;
font-size: 0;
line-height: 0;
background: #ffffff;
color: var(--text);
border-bottom: 2px solid var(--my-color-main);
overflow: hidden;
}
.site-header > * { margin-top: 0; line-height: 1.7; }
.site-header * {
font-size: revert;
line-height: 1.7;
}
.site-header__inner {
display: flex; align-items: center;
justify-content: space-between;
height: var(--header-h); gap: 1.5rem;
margin-top: 0; padding-top: 0;
}
.site-branding { flex-shrink: 0; margin-top: 0; }
.site-navigation {
display: flex;
align-items: center;
margin-top: 0;
}
.site-logo img { height: 44px; width: auto; }
.site-title { font-size: 1.25rem; font-weight: 700; letter-spacing: .04em; }
.site-title a { color: var(--my-color-main); }
.site-description { font-size: .7rem; color: var(--muted); margin-top: .125rem; }
.site-navigation .nav-menu { display: flex; align-items: center; gap: .125rem; }
.site-navigation .nav-menu li { text-align: center; }
.site-navigation .nav-menu a {
display: block; color: var(--my-color-main);
padding: 8px 16px; border-radius: var(--radius);
font-size: .875rem; font-weight: 500;
text-align: center;
transition: color .2s ease, background .2s ease;
}
.nav-menu__desc,
.nav-menu__desc p {
display: block;
font-size: .7em;
font-weight: 400;
color: var(--muted);
margin-top: 2px;
line-height: 1.2;
text-align: center;
}
.site-navigation .nav-menu a:hover,
.site-navigation .nav-menu .current-menu-item > a,
.site-navigation .nav-menu .current-menu-ancestor > a {
color: var(--my-color-main);
background: color-mix(in srgb, var(--my-color-main) 8%, transparent);
}
/* ナビゲーション＋ヘッダーパーツをまとめるラッパー */
.site-header__right {
display: flex;
align-items: center;
gap: 1rem;
}
/* =========================================================
Header Parts
========================================================= */
.header-parts {
display: flex;
align-items: center;
align-self: center;
gap: .75rem;
flex-shrink: 0;
}
.header-parts__area {
display: flex;
align-items: center;
align-self: center;
}
/* ヘッダーパーツエリア内のブロックスペーシング（margin-bottom）を無効化 */
.header-parts * {
margin-bottom: 0 !important;
}
/* .site-header の font-size:0 / line-height:0 が core ブロック
（paragraph / button など）に em 経由で漏れ込まないよう、
セレクタ specificity (0,3,0) で具体値に固定する。
※ font-size:revert だと WordPress コアブロックの
body .wp-block-X (0,1,1) に負けて 0 に引き戻される場合がある。 */
.site-header .header-parts .blog-parts {
display: flex;
align-items: center;
margin: 0;
font-size: 1rem;
line-height: 1.7;
color: var(--text);
}
.site-header .header-parts .blog-parts > * {
margin-top: 0;
margin-bottom: 0;
}
/* ヘッダー内のマイボタン: ナビゲーション項目と縦方向に中央揃え */
.header-parts .wp-block-my-theme-my-button {
align-self: center;
margin-top: 0;
margin-bottom: 0;
}
/* スマホではナビと同様に非表示 */
@media (max-width: 768px) {
.header-parts {
display: none;
}
}
/* =========================================================
Hamburger Button (CSS Checkbox Hack)
========================================================= */
/* チェックボックスは視覚的に非表示（display:none より iOS Safari での :checked 動作が確実） */
.nav-toggle {
position: absolute;
opacity: 0;
pointer-events: none;
width: 0;
height: 0;
}
/* ラベル（ハンバーガーボタン） */
.nav-toggle-label {
display: none;
flex-direction: column;
justify-content: center;
align-items: center;
gap: 5px;
width: 40px;
height: 40px;
cursor: pointer;
padding: 4px;
border-radius: var(--radius);
transition: background var(--ease);
flex-shrink: 0;
touch-action: manipulation;
-webkit-tap-highlight-color: transparent;
}
/* 3本線 */
.nav-toggle-label__line {
display: block;
width: 22px;
height: 2px;
background: var(--my-color-main);
border-radius: 2px;
-webkit-transition: -webkit-transform 0.3s ease, opacity 0.3s ease;
transition: transform 0.3s ease, opacity 0.3s ease;
-webkit-transform-origin: center;
transform-origin: center;
}
/* チェック時: × アイコン */
.nav-toggle:checked ~ .site-header .nav-toggle-label .nav-toggle-label__line:nth-child(1) {
-webkit-transform: translateY(7px) rotate(45deg);
transform: translateY(7px) rotate(45deg);
}
.nav-toggle:checked ~ .site-header .nav-toggle-label .nav-toggle-label__line:nth-child(2) {
opacity: 0;
-webkit-transform: scaleX(0);
transform: scaleX(0);
}
.nav-toggle:checked ~ .site-header .nav-toggle-label .nav-toggle-label__line:nth-child(3) {
-webkit-transform: translateY(-7px) rotate(-45deg);
transform: translateY(-7px) rotate(-45deg);
}
@media (max-width: 768px) {
.nav-toggle-label {
display: flex;
}
}
/* =========================================================
Mobile Menu
========================================================= */
.mobile-menu {
position: absolute;
top: 100%;
left: 0;
right: 0;
z-index: 9999;
background: #ffffff;
overflow: hidden;
max-height: 0;
-webkit-transition: max-height 0.3s ease;
transition: max-height 0.3s ease;
box-shadow: 0 4px 12px rgba(0,0,0,.15);
}
.nav-toggle:checked ~ .mobile-menu {
max-height: 80vh;
overflow-y: auto;
-webkit-overflow-scrolling: touch;
}
@media (min-width: 769px) {
.mobile-menu {
display: none !important;
}
}
.mobile-menu__nav .nav-menu {
display: block;
list-style: none;
margin: 0;
padding: 0;
}
.mobile-menu__nav .nav-menu > li {
border-bottom: 1px solid var(--border);
}
.mobile-menu__nav .nav-menu a {
display: block;
padding: 14px 20px;
color: var(--my-color-main);
font-size: .9375rem;
font-weight: 500;
text-decoration: none;
border-radius: 0;
transition: background var(--ease);
}
.mobile-menu__nav .nav-menu a:hover {
background: var(--navy-pale);
}
.mobile-menu__nav .menu-item-has-children {
position: relative;
}
.mobile-menu__nav .submenu-toggle {
position: absolute;
right: 0;
top: 0;
width: 52px;
height: 52px;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
color: var(--my-color-main);
font-size: .7rem;
background: none;
border: none;
border-left: 1px solid var(--border);
padding: 0;
transition: transform 0.3s ease;
-webkit-user-select: none;
user-select: none;
touch-action: manipulation;
-webkit-tap-highlight-color: transparent;
}
.mobile-menu__nav .menu-item-has-children.submenu-open > .submenu-toggle {
-webkit-transform: rotate(180deg);
transform: rotate(180deg);
}
.mobile-menu__nav .sub-menu {
display: none;
list-style: none;
margin: 0;
padding: 0;
background: var(--navy-pale);
}
.mobile-menu__nav .menu-item-has-children.submenu-open > .sub-menu {
display: block;
}
.mobile-menu__nav .sub-menu a {
padding-left: 36px;
font-size: .875rem;
}
.mobile-menu__nav .sub-menu li {
border-bottom: 1px solid rgba(0,0,0,.05);
}
.mobile-menu__nav .sub-menu li:last-child {
border-bottom: none;
}
/* =========================================================
Footer
========================================================= */
.site-footer { background: var(--navy-dark); color: var(--white); }
.site-footer__widgets { padding: 3rem 0 2.5rem; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-widget-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 2rem; }
.site-footer .widget { color: rgba(255,255,255,.7); font-size: .875rem; line-height: 1.8; background: none; border: none; padding: 0; }
.site-footer .widget-title { color: var(--white); border-bottom-color: rgba(255,255,255,.25); font-size: .85rem; letter-spacing: .06em; }
.site-footer .widget a { color: rgba(255,255,255,.7); transition: color var(--ease); }
.site-footer .widget a:hover { color: var(--white); }
.site-footer__bottom { padding: 1.25rem 0; text-align: center; }
.site-footer__bottom .copyright { font-size: .78rem; opacity: .5; }
/* =========================================================
Top Bar
========================================================= */
.top-bar {
background: var(--my-color-main);
border-bottom: 1px solid rgba(255,255,255,.1);
height: 40px;
overflow: hidden;
font-size: 0;
line-height: 0;
}
.top-bar * {
font-size: revert;
line-height: 1.5;
}
.top-bar__inner {
display: flex;
align-items: center;
justify-content: space-between;
height: 40px;
gap: 1rem;
}
.top-bar__tagline {
font-size: .75rem;
color: rgba(255,255,255,.75);
margin: 0;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
flex-shrink: 1;
min-width: 0;
}
.top-bar__right {
display: flex;
align-items: center;
gap: .625rem;
flex-shrink: 0;
}
/* Search form in topbar
get_search_form() が出力する標準マークアップ:
input[type="search"] は