@charset "UTF-8";

/* =========================================================
   wc-lab-2026 — Base Style
   ========================================================= */

:root {
  --color-primary: #2BB3D9;
  --color-primary-dark: #2360B8;
  --color-text: #1f2733;
  --color-text-muted: #5b6675;
  --color-border: #e3e7ec;
  --color-bg: #ffffff;
  --color-bg-soft: #f5f7fa;
  --color-bg-sidebar: #ffffff;
  --color-accent: #f4b223;

  --sidebar-width: 280px;
  --content-width: 900px;
  --content-gap: 60px;

  --font-sans: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic",
    "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg-soft);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary-dark);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-primary);
}

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

h1, h2, h3, h4 {
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1em;
}

/* =========================================================
   Mobile Header & Backdrop (768px以下でのみ表示)
   ========================================================= */

.mobile-header {
  display: none;
}

.sidebar-backdrop {
  display: none;
}

/* =========================================================
   Layout — Sidebar + Main
   ========================================================= */

.l-wrapper {
  display: flex;
  min-height: 100vh;
}

.l-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border);
  padding: 32px 24px;
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
}

.l-main {
  margin-left: var(--sidebar-width);
  padding: 48px var(--content-gap);
  width: 100%;
  min-width: 0;
}

.l-container {
  max-width: var(--content-width);
  margin: 0 auto;
}

/* =========================================================
   Sidebar
   ========================================================= */

.site-logo {
  margin-bottom: 36px;
  padding: 0 4px;
}

.site-logo a {
  display: block;
}

.site-logo img {
  max-width: 200px;
  width: 100%;
  height: auto;
}

.sidebar-nav {
  flex: 1;
}

.sidebar-nav__heading {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin: 24px 0 12px;
  padding: 0 12px 10px;
  border-bottom: 1px solid var(--color-border);
}

.sidebar-nav__heading:first-child {
  margin-top: 0;
}

.sidebar-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-nav__list li {
  margin: 0;
}

.sidebar-nav__list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14.5px;
  color: var(--color-text);
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}

.sidebar-nav__list a:hover {
  background: var(--color-bg-soft);
  color: var(--color-primary-dark);
}

/* 現在地: 控えめなトーン（背景にほんのり色 + テキスト色を primary に） */
.sidebar-nav__list .is-current > a,
.sidebar-nav__list .current-menu-item > a,
.sidebar-nav__list .current_page_item > a,
.sidebar-nav__list .current-menu-ancestor > a,
.sidebar-nav__list .current-menu-parent > a {
  background: rgba(43, 179, 217, 0.10);
  color: var(--color-primary-dark);
  font-weight: 600;
}

.sidebar-nav__list .is-current > a:hover,
.sidebar-nav__list .current-menu-item > a:hover,
.sidebar-nav__list .current_page_item > a:hover,
.sidebar-nav__list .current-menu-ancestor > a:hover,
.sidebar-nav__list .current-menu-parent > a:hover {
  background: rgba(43, 179, 217, 0.16);
  color: var(--color-primary-dark);
}

.sidebar-nav__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.8;
}

/* メンバーログイン（控えめな二次アクション・枠線スタイル） */
.sidebar-login-btn {
  display: block;
  margin-top: 28px;
  padding: 10px 16px;
  text-align: center;
  background: #fff;
  color: var(--color-primary-dark);
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid var(--color-primary);
  border-radius: 8px;
  transition: background 0.15s ease, color 0.15s ease;
}

.sidebar-login-btn:hover {
  background: rgba(43, 179, 217, 0.10);
  color: var(--color-primary-dark);
}

.sidebar-member {
  margin-top: 28px;
  padding: 16px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #eaf6fb, #f5f7fa);
  border: 1px solid var(--color-border);
}

/* ログインボタンの直下に登録カードがある場合は間を詰めて1グループに見せる */
.sidebar-login-btn + .sidebar-member {
  margin-top: 12px;
}

.sidebar-member__title {
  font-size: 13px;
  font-weight: 700;
  margin: 0 0 6px;
  color: var(--color-primary-dark);
}

.sidebar-member__text {
  font-size: 12px;
  color: var(--color-text-muted);
  margin: 0 0 12px;
  line-height: 1.6;
}

.sidebar-member__btn {
  display: block;
  text-align: center;
  background: var(--color-primary-dark);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: 6px;
}

.sidebar-member__btn:hover {
  background: var(--color-primary);
  color: #fff;
}

.sidebar-footer {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  font-size: 11px;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.6;
}

/* =========================================================
   Sidebar Widgets
   ========================================================= */

.sidebar-widgets {
  margin-top: 28px;
}

.sidebar-widget {
  margin-bottom: 24px;
}

.sidebar-widget:last-child {
  margin-bottom: 0;
}

.sidebar-widget__title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin: 0 0 12px;
  padding: 0 12px 10px;
  border-bottom: 1px solid var(--color-border);
}

/* ウィジェット内のリスト（最近の投稿・カテゴリー・アーカイブ等） */
.sidebar-widget ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.sidebar-widget ul li {
  margin: 0;
}

.sidebar-widget ul li a {
  display: block;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  color: var(--color-text);
  transition: background 0.15s ease, color 0.15s ease;
}

.sidebar-widget ul li a:hover {
  background: var(--color-bg-soft);
  color: var(--color-primary-dark);
}

/* 入れ子のリスト（子カテゴリー等） */
.sidebar-widget ul ul {
  padding-left: 12px;
  margin-top: 2px;
}

/* ウィジェット内のテキスト */
.sidebar-widget p {
  padding: 0 12px;
  margin: 0 0 0.6em;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--color-text);
}

/* ウィジェット内の検索フォーム */
.sidebar-widget .search-form {
  padding: 0 12px;
  display: flex;
  gap: 6px;
}

.sidebar-widget .search-form .search-field {
  flex: 1;
  min-width: 0;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  background: #fff;
}

.sidebar-widget .search-form .search-field:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(43, 179, 217, 0.18);
}

.sidebar-widget .search-form .search-submit {
  background: var(--color-primary-dark);
  color: #fff;
  border: none;
  padding: 0 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.sidebar-widget .search-form .search-submit:hover {
  background: var(--color-primary);
}

/* ウィジェット内の選択ボックス（カテゴリードロップダウン等） */
.sidebar-widget select {
  width: calc(100% - 24px);
  margin: 0 12px;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 13px;
  font-family: inherit;
  background: #fff;
}

/* RSS / カレンダー等の見出し */
.sidebar-widget .rsswidget,
.sidebar-widget .widget-title {
  padding: 0 12px;
}

/* =========================================================
   Main Content
   ========================================================= */

.page-hero {
  background: #fff;
  border-radius: var(--radius);
  padding: 48px 40px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.page-hero__eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary-dark);
  background: #eaf6fb;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.page-hero__title {
  font-size: 30px;
  line-height: 1.4;
  margin: 0 0 12px;
}

.page-hero__title em {
  color: var(--color-primary-dark);
  font-style: normal;
}

.page-hero__lead {
  color: var(--color-text-muted);
  font-size: 15px;
  margin: 0;
  max-width: 700px;
}

/* Section common */
.section {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 40px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--color-bg-soft);
}

.section__title {
  font-size: 20px;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section__title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 20px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 2px;
}

.section__more {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary-dark);
}

/* Article cards */
.article-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.article-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.article-card__thumb {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #2BB3D9, #2360B8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.article-card__thumb--alt2 {
  background: linear-gradient(135deg, #f4b223, #e8703a);
}

.article-card__thumb--alt3 {
  background: linear-gradient(135deg, #6a5acd, #2360B8);
}

.article-card__thumb--alt4 {
  background: linear-gradient(135deg, #14b8a6, #2BB3D9);
}

.article-card__thumb-link {
  display: block;
}

.article-card__thumb--image {
  background: none;
  padding: 0;
  overflow: hidden;
  color: transparent;
  position: relative;
}

.article-card__thumb--image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.article-card__body {
  padding: 18px 20px 22px;
}

.article-card__meta {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.article-card__cat {
  background: var(--color-bg-soft);
  color: var(--color-primary-dark);
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.article-card__cat--member {
  background: #fff5e0;
  color: #b8730d;
}

.article-card__title {
  font-size: 16px;
  margin: 0 0 8px;
  line-height: 1.55;
}

.article-card__title a {
  color: var(--color-text);
}

.article-card__title a:hover {
  color: var(--color-primary-dark);
}

.article-card__excerpt {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.7;
}

/* About / text section */
.prose p {
  font-size: 15px;
  color: var(--color-text);
  line-height: 1.9;
}

.prose p + p {
  margin-top: 1em;
}

/* Feature list */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.feature-card {
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg-soft);
}

.feature-card__num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.feature-card__title {
  font-size: 15px;
  margin: 0 0 6px;
}

.feature-card__text {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* Single Post */
.single-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--color-bg-soft);
}

.single-title {
  font-size: 26px;
  line-height: 1.5;
  margin: 8px 0 0;
}

.single-thumb {
  margin: 0 -40px 32px;
  overflow: hidden;
}

.single-thumb img {
  width: 100%;
  height: auto;
  display: block;
}

.single-content > * + * {
  margin-top: 1.2em;
}

.single-content h2 {
  font-size: 22px;
  margin: 1.8em 0 0.6em;
  padding-bottom: 0.4em;
  border-bottom: 2px solid var(--color-bg-soft);
}

.single-content h3 {
  font-size: 18px;
  margin: 1.6em 0 0.5em;
}

.single-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.single-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: 4px 18px;
  margin: 1em 0;
  color: var(--color-text-muted);
  background: var(--color-bg-soft);
  border-radius: 0 6px 6px 0;
}

.single-content code {
  background: var(--color-bg-soft);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

.single-content pre {
  background: #1f2733;
  color: #e3e7ec;
  padding: 16px 20px;
  border-radius: 8px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.7;
}

.single-content pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.single-footer {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.single-tags {
  font-size: 13px;
  color: var(--color-text-muted);
}

.single-tags__label {
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary-dark);
  margin-right: 4px;
}

.single-tags a {
  display: inline-block;
  padding: 2px 8px;
  background: var(--color-bg-soft);
  border-radius: 4px;
  margin: 0 4px 4px 0;
  font-size: 12px;
}

/* Pagination */
.pagination {
  margin-top: 32px;
  text-align: center;
}

.pagination .nav-links {
  display: inline-flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}

.pagination .page-numbers:hover {
  background: var(--color-bg-soft);
  color: var(--color-primary-dark);
}

.pagination .page-numbers.current {
  background: var(--color-primary-dark);
  color: #fff;
  border-color: var(--color-primary-dark);
}

/* Search form */
.search-form {
  display: flex;
  gap: 8px;
  max-width: 480px;
}

.search-form .search-field {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}

.search-form .search-submit {
  background: var(--color-primary-dark);
  color: #fff;
  border: none;
  padding: 0 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}

.search-form .search-submit:hover {
  background: var(--color-primary);
}

/* =========================================================
   Simple Membership Plugin — Form Styling
   ========================================================= */

.swpm-login-widget-form,
.swpm-create-account-form-wrap,
.swpm-pw-reset-form-wrap,
.swpm-edit-form-wrap {
  max-width: 440px;
  margin: 0 auto;
}

#swpm-login-form {
  margin: 0;
}

/* ---- 近接（Proximity）に基づくマージン設計 ----
   ラベルとその入力欄は近く、フィールド間は離す。 */

/* ラベル行: 入力欄とは 8px の近接 */
#swpm-login-form .swpm-login-form-inner > .swpm-username-label,
#swpm-login-form .swpm-login-form-inner > .swpm-password-label {
  margin: 0 0 8px;
}

/* 入力欄: 余白はラベル側で管理するため0 */
#swpm-login-form .swpm-login-form-inner > .swpm-username-input,
#swpm-login-form .swpm-login-form-inner > .swpm-password-input {
  margin: 0;
}

/* パスワードラベル: 上のユーザー名フィールドから 24px 離す */
#swpm-login-form .swpm-login-form-inner > .swpm-password-label {
  margin-top: 24px;
}

#swpm-login-form .swpm-label,
.swpm-create-account-form-wrap label,
.swpm-pw-reset-form-wrap label,
.swpm-edit-form-wrap label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
  margin: 0 0 6px;
}

/* Text inputs */
.swpm-text-field,
input.swpm-username-field,
input.swpm-password-field,
.swpm-create-account-form-wrap input[type="text"],
.swpm-create-account-form-wrap input[type="email"],
.swpm-create-account-form-wrap input[type="password"],
.swpm-pw-reset-form-wrap input[type="text"],
.swpm-pw-reset-form-wrap input[type="email"],
.swpm-edit-form-wrap input[type="text"],
.swpm-edit-form-wrap input[type="email"],
.swpm-edit-form-wrap input[type="password"] {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 14px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  color: var(--color-text);
  line-height: 1.4;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.swpm-text-field:focus,
input.swpm-username-field:focus,
input.swpm-password-field:focus,
.swpm-create-account-form-wrap input[type="text"]:focus,
.swpm-create-account-form-wrap input[type="email"]:focus,
.swpm-create-account-form-wrap input[type="password"]:focus,
.swpm-pw-reset-form-wrap input[type="text"]:focus,
.swpm-pw-reset-form-wrap input[type="email"]:focus,
.swpm-edit-form-wrap input[type="text"]:focus,
.swpm-edit-form-wrap input[type="email"]:focus,
.swpm-edit-form-wrap input[type="password"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(43, 179, 217, 0.18);
}

/* Remember me — 上のパスワード欄から 24px 離す */
#swpm-login-form .swpm-login-form-inner > .swpm-remember-me {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 24px 0 0;
  font-size: 13.5px;
  color: var(--color-text-muted);
}

.swpm-remember-checkbox {
  display: inline-flex;
  align-items: center;
}

.swpm-remember-me input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary-dark);
  margin: 0;
  cursor: pointer;
}

.swpm-rememberme-label {
  cursor: pointer;
  user-select: none;
  margin: 0;
  font-size: 13.5px;
}

/* Submit button — アクション直前を強調するため 28px 確保 */
#swpm-login-form .swpm-login-form-inner > .swpm-login-submit {
  margin: 28px 0 0;
}

/* 空のセクションが要素として混じってもズレないよう保険 */
#swpm-login-form .swpm-login-form-inner > .swpm-before-login-submit-section:empty {
  display: none;
}

input.swpm-login-form-submit,
input.swpm-submit-btn-default-style,
.swpm-create-account-form-wrap input[type="submit"],
.swpm-pw-reset-form-wrap input[type="submit"],
.swpm-edit-form-wrap input[type="submit"] {
  width: 100%;
  display: block;
  padding: 12px 20px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  transition: filter 0.15s ease, transform 0.05s ease, box-shadow 0.15s ease;
  box-shadow: 0 2px 6px rgba(35, 96, 184, 0.18);
}

input.swpm-login-form-submit:hover,
input.swpm-submit-btn-default-style:hover {
  filter: brightness(1.05);
  box-shadow: 0 4px 14px rgba(35, 96, 184, 0.28);
}

input.swpm-login-form-submit:active,
input.swpm-submit-btn-default-style:active {
  transform: translateY(1px);
}

/* Footer links — メインアクションと区切るため線+余白で分離 */
#swpm-login-form .swpm-login-form-inner > .swpm-forgot-pass-link {
  margin: 24px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 13.5px;
}

#swpm-login-form .swpm-login-form-inner > .swpm-join-us-link {
  margin: 8px 0 0;
  text-align: center;
  font-size: 13.5px;
}

.swpm-login-form-pw-reset-link,
.swpm-login-form-register-link {
  color: var(--color-primary-dark);
  font-weight: 500;
}

.swpm-login-form-pw-reset-link:hover,
.swpm-login-form-register-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Action / error message inside login form */
#swpm-login-form .swpm-login-action-msg {
  text-align: center;
}

.swpm-login-widget-action-msg:not(:empty) {
  display: block;
  margin-top: 16px;
  padding: 10px 14px;
  border-radius: 8px;
  background: #fff5e0;
  color: #b8730d;
  border: 1px solid #f0c97a;
  font-size: 13px;
}

/* SWPM notice / error / success boxes (登録・パスワード再設定など共通) */
.swpm-yellow-box,
.swpm-red-box,
.swpm-green-box {
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid;
  font-size: 14px;
  line-height: 1.7;
  margin: 16px 0;
}

.swpm-yellow-box {
  background: #fff5e0;
  color: #b8730d;
  border-color: #f0c97a;
}

.swpm-red-box {
  background: #fde8e8;
  color: #b8281c;
  border-color: #f0a09a;
}

.swpm-green-box {
  background: #e8f5ea;
  color: #1f7a3a;
  border-color: #9bd3a8;
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 24px 0 8px;
  color: var(--color-text-muted);
  font-size: 12px;
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 1024px) {
  :root {
    --content-gap: 32px;
  }

  .l-main {
    padding: 32px var(--content-gap);
  }

  .article-list {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --sidebar-width: 0px;
  }

  /* モバイルヘッダー（ロゴ + ハンバーガー） */
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    height: 56px;
    padding: 0 16px;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 120;
  }

  .mobile-header__logo {
    display: inline-flex;
    align-items: center;
  }

  .mobile-header__logo img {
    height: 32px;
    width: auto;
    display: block;
  }

  .mobile-header__toggle {
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    border-radius: 6px;
  }

  .mobile-header__toggle:hover,
  .mobile-header__toggle:focus-visible {
    background: var(--color-bg-soft);
  }

  .mobile-header__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  .mobile-header__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-header__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .mobile-header__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* 背景オーバーレイ */
  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  .sidebar-backdrop.is-open {
    opacity: 1;
    visibility: visible;
  }

  /* サイドバー本体 */
  .l-sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    width: 280px;
    z-index: 110;
    box-shadow: 4px 0 24px rgba(15, 23, 42, 0.12);
  }

  .l-sidebar.is-open {
    transform: translateX(0);
  }

  .l-main {
    margin-left: 0;
    padding: 24px 20px;
  }

  /* サイドバー展開中はbodyスクロールロック */
  body.is-sidebar-open {
    overflow: hidden;
  }

  .page-hero,
  .section {
    padding: 24px 20px;
  }

  .page-hero__title {
    font-size: 22px;
  }

  .single-thumb {
    margin: 0 -20px 24px;
  }

  .single-title {
    font-size: 22px;
  }
}