/*
Theme Name: allmange JOURNAL
Theme URI: https://a-manage.jp
Description: WEB×AIの実践知を届けるジャーナルメディアテーマ
Version: 1.0.0
Author: allmange Inc.
Author URI: https://a-manage.jp
Text Domain: allmange-journal
*/

/* ============================================================
  DESIGN TOKENS
  カラー・フォント・スペーシングのCSS変数定義
============================================================ */
:root {
    /* カラー */
    --clr-red: #a57a44;
    --clr-red-border: #a57a44;
    --clr-dark: #111111;
    --clr-grey-22: #3d3a34;
    --clr-grey-45: #7b7468;
    --clr-border: #d8d3c8;
    --clr-bg-light: #efece4;
    --clr-bg-cream: #e3ddd0;
    --clr-sand: #b4ad9f;
    --clr-white: #ffffff;

    /* フォントファミリー */
    --ff-mincho: "Shippori Mincho B1", serif;
    --ff-sans: "Noto Sans JP", sans-serif;
    --ff-garamond: "EB Garamond", serif;
    --ff-mono: "JetBrains Mono", monospace;

    /* コンテナ */
    --container-max: 1280px;
    --container-px: 56px;

    /* 画像プレースホルダーgradient */
    --gradient-placeholder: radial-gradient(circle at 30% 35%,
            rgba(255, 255, 255, 0.55) 0%,
            rgba(255, 255, 255, 0) 35%),
        linear-gradient(135deg, #efece4 0%, #e3ddd0 100%);
}

/* ============================================================
  FOUNDATION: reset & base
============================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: 72px;
    /* スティッキーヘッダー分のアンカースクロール補正 */
}

body {
    font-family: var(--ff-sans);
    color: var(--clr-dark);
    background-color: var(--clr-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    /* 横スクロール防止 */
}

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

ul,
ol {
    list-style: none;
}

li::marker {
    content: none;
}

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

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

/* ============================================================
  UTILITY
============================================================ */

/* スクリーンリーダー専用（視覚的に非表示） */
.u-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================================
  LAYOUT: l-container
============================================================ */
.l-container {
    max-width: var(--container-max);
    padding-left: var(--container-px);
    padding-right: var(--container-px);
    margin-left: auto;
    margin-right: auto;
}

/* ============================================================
  LAYOUT: l-header
============================================================ */
.l-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--clr-white);
    border-bottom: 3px solid var(--clr-dark);
}

/* 上端装飾バー: 左端のみ赤×黒ストライプ、残りは白 */
.l-header__accent-bar {
    height: 6px;
    background: linear-gradient(90deg,
            var(--clr-red) 0px,
            var(--clr-red) 14px,
            var(--clr-dark) 14px,
            var(--clr-dark) 16px,
            var(--clr-red) 16px,
            var(--clr-red) 30px,
            var(--clr-white) 30px);
}

.l-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.l-header__nav {
    display: flex;
    align-items: center;
}

/* ============================================================
  LAYOUT: l-subnav
============================================================ */
.l-subnav {
    border-bottom: 1px solid var(--clr-border);
    background-color: var(--clr-white);
}

.l-subnav__inner {
    display: flex;
    align-items: center;
    height: 48px;
    gap: 0;
}

/* 縦区切り線（号バッジとカテゴリ間） */
.l-subnav__sep {
    display: inline-block;
    width: 1px;
    height: 20px;
    background-color: var(--clr-dark);
    margin: 0 20px;
    flex-shrink: 0;
}

/* ============================================================
  LAYOUT: l-main
============================================================ */
.l-main {
    padding-bottom: 80px;
}

/* ============================================================
  LAYOUT: l-content-sidebar（記事一覧 + サイドバー）
============================================================ */
.l-content-sidebar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    column-gap: 64px;
    padding-top: 56px;
    align-items: start;
}

/* ============================================================
  LAYOUT: l-sidebar
============================================================ */
.l-sidebar {
    position: sticky;
    top: 130px;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* ============================================================
  LAYOUT: l-footer
============================================================ */
.l-footer {
    background-color: var(--clr-dark);
    color: var(--clr-white);
}

.l-footer__main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    padding-top: 56px;
    padding-bottom: 56px;
}

.l-footer__brand {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.l-footer__desc {
    font-family: var(--ff-sans);
    font-size: 12px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.65);
    max-width: 280px;
}

.l-footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.l-footer__link-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.l-footer__link-heading {
    font-family: var(--ff-garamond);
    font-size: 11px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 6px;
}

.l-footer__link-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.l-footer__link-list a {
    font-family: var(--ff-sans);
    font-size: 13px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    padding: 4px 0;
    transition: color 0.15s ease;
}

.l-footer__link-list a:hover {
    color: var(--clr-white);
}

/* ボトムバー */
.l-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.l-footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 20px;
    padding-bottom: 20px;
}

.l-footer__copyright {
    font-family: var(--ff-sans);
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 400;
}

.l-footer__version {
    font-family: var(--ff-garamond);
    font-size: 11px;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================================
  COMPONENT: c-logo
============================================================ */
.c-logo {
    display: flex;
    flex-direction: column;
    gap: 3px;
    text-decoration: none;
}

.c-logo__name {
    font-family: var(--ff-mincho);
    font-weight: 700;
    font-size: 34px;
    letter-spacing: 0.04em;
    color: var(--clr-dark);
    line-height: 1;
}

.c-logo__sub {
    font-family: var(--ff-sans);
    font-weight: 400;
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--clr-grey-45);
}

/* ============================================================
  COMPONENT: c-nav-list（ヘッダーナビ）
============================================================ */
.c-nav-list {
    display: flex;
    align-items: center;
    margin-right: 0;
}

.c-nav-list__item {
    list-style: none;
}

/* 末尾以外に右マージン */
.c-nav-list__item:not(:last-child) {
    margin-right: 51px;
}

.c-nav-list__link {
    font-family: var(--ff-sans);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: var(--clr-grey-22);
    text-decoration: none;
    padding-bottom: 4px;
    position: relative;
    transition: color 0.15s ease;
}

.c-nav-list__link:hover {
    color: var(--clr-dark);
}

/* activeリンク */
.c-nav-list__link.is-active {
    font-weight: 700;
    color: var(--clr-dark);
}

.c-nav-list__link.is-active::after {
    content: "";
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--clr-red);
}

/* ============================================================
  COMPONENT: c-search-wrap（検索ラッパー・ホバーで展開）
============================================================ */
.c-search-wrap {
    display: flex;
    align-items: center;
    margin-left: 32px;
}

.c-search-wrap__input {
    width: 0;
    height: 36px;
    padding: 0;
    border: 1px solid var(--clr-dark);
    border-right: none;
    background: var(--clr-white);
    font-family: var(--ff-sans);
    font-size: 13px;
    color: var(--clr-dark);
    opacity: 0;
    overflow: hidden;
    outline: none;
    transition:
        width 0.3s ease,
        opacity 0.25s ease,
        padding 0.3s ease;
}

.c-search-wrap__input::placeholder {
    color: var(--clr-grey-45);
}

.c-search-wrap:hover .c-search-wrap__input,
.c-search-wrap:focus-within .c-search-wrap__input {
    width: 200px;
    padding: 0 14px;
    opacity: 1;
}

/* ============================================================
  COMPONENT: c-btn-search（検索ボタン）
============================================================ */
.c-btn-search {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    border: 1px solid var(--clr-dark);
    transition: background-color 0.15s ease;
}

.c-btn-search:hover {
    background-color: var(--clr-bg-light);
}

/* ============================================================
  COMPONENT: c-header-sep（縦区切り線）
============================================================ */
.c-header-sep {
    display: inline-block;
    width: 1px;
    height: 20px;
    background-color: var(--clr-border);
    margin: 0 19px;
}

/* ============================================================
  COMPONENT: c-btn-subscribe（購読ボタン）
============================================================ */
.c-btn-subscribe {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    height: 36px;
    padding: 0 18px;
    background-color: var(--clr-red);
    text-decoration: none;
    transition: background-color 0.15s ease;
}

.c-btn-subscribe:hover {
    background-color: var(--clr-red-border);
}

.c-btn-subscribe__badge {
    font-family: var(--ff-sans);
    font-size: 10px;
    font-weight: 700;
    color: var(--clr-red);
    background-color: var(--clr-white);
    padding: 2px 5px;
    line-height: 1.3;
}

.c-btn-subscribe__label {
    font-family: var(--ff-sans);
    font-size: 13px;
    font-weight: 700;
    color: var(--clr-white);
    letter-spacing: 0.04em;
}

/* ============================================================
  COMPONENT: c-issue-badge（号バッジ）
============================================================ */
.c-issue-badge {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--clr-red);
    color: var(--clr-red);
    font-family: var(--ff-sans);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 11px;
    letter-spacing: 0.04em;
    flex-shrink: 0;
}

/* ============================================================
  COMPONENT: c-cat-list（サブナビカテゴリリスト）
============================================================ */
.c-cat-list {
    display: flex;
    align-items: center;
    gap: 16px;
    list-style: none;
}

.c-cat-list__item {
    line-height: 1;
}

.c-cat-list__item--dot {
    color: var(--clr-sand);
    font-size: 13px;
    pointer-events: none;
    /* gapで調整するためmarginは不要 */
}

.c-cat-list__link {
    font-family: var(--ff-sans);
    font-size: 13px;
    font-weight: 500;
    color: var(--clr-grey-22);
    text-decoration: none;
    transition: color 0.15s ease;
}

.c-cat-list__link:hover {
    color: var(--clr-red);
}

.c-cat-list__link.is-active {
    font-weight: 700;
    color: var(--clr-red);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ============================================================
  COMPONENT: c-cat-badge（記事カテゴリバッジ・背景赤）
============================================================ */
.c-cat-badge {
    display: inline-block;
    background-color: var(--clr-red);
    color: var(--clr-white);
    font-family: var(--ff-sans);
    font-size: 11px;
    font-weight: 700;
    padding: 5px 10px;
    letter-spacing: 0.04em;
    line-height: 1;
}

/* ============================================================
  COMPONENT: c-cat-label（記事カテゴリラベル・テキスト赤・下線）
============================================================ */
.c-cat-label {
    display: inline-block;
    color: var(--clr-red);
    font-family: var(--ff-sans);
    font-size: 11px;
    font-weight: 700;
    border-bottom: 1px solid var(--clr-red-border);
    padding-bottom: 1px;
    letter-spacing: 0.04em;
    line-height: 1;
}

/* ============================================================
  COMPONENT: c-meta-date（日付・読了時間）
============================================================ */
.c-meta-date {
    font-family: var(--ff-garamond);
    font-size: 11px;
    font-weight: 400;
    color: var(--clr-grey-45);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ============================================================
  COMPONENT: c-avatar（著者アバター）
============================================================ */
.c-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    flex-shrink: 0;
    background: radial-gradient(circle at 40% 40%, #d8d3c8, #b4ad9f);
}

/* ============================================================
  COMPONENT: c-btn-read（記事を読むボタン）
============================================================ */
.c-btn-read {
    display: inline-block;
    font-family: var(--ff-sans);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 10px 18px;
    text-decoration: none;
    transition: opacity 0.15s ease;
    width: fit-content;
}

.c-btn-read:hover {
    opacity: 0.8;
}

.c-btn-read--dark {
    background-color: var(--clr-dark);
    color: var(--clr-white);
}

.c-btn-read--red {
    font-size: 12px;
    color: var(--clr-red);
    padding: 0;
    background: none;
}

/* ============================================================
  COMPONENT: c-footer-logo
============================================================ */
.c-footer-logo {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-decoration: none;
}

.c-footer-logo__name {
    font-family: var(--ff-mincho);
    font-weight: 700;
    font-size: 22px;
    color: var(--clr-white);
    letter-spacing: 0.04em;
    line-height: 1;
}

.c-footer-logo__sub {
    font-family: var(--ff-garamond);
    font-size: 11px;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================================
  COMPONENT: c-card（記事カード）
============================================================ */
.c-card {
    display: flex;
    flex-direction: column;
}

/* カード画像エリア */
.c-card__image-link {
    display: block;
    margin-bottom: 18px;
    text-decoration: none;
    overflow: hidden;
}

.c-card__image {
    aspect-ratio: 16 / 9;
    background: var(--gradient-placeholder);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.c-card__image img {
    width: 100%;
    height: 100%;
    /* object-fit: cover; */
}

.c-card__image-link:hover .c-card__image {
    transform: scale(1.02);
}

/* 画像左下のカテゴリラベル */
.c-card__image-label {
    position: absolute;
    bottom: 10px;
    left: 12px;
    font-family: var(--ff-mono);
    font-size: 10px;
    font-weight: 400;
    color: var(--clr-grey-45);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* カードメタ */
.c-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

/* カードタイトル */
.c-card__title {
    font-family: var(--ff-sans);
    font-size: 20px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 12px;
}

.c-card__title a {
    text-decoration: none;
    color: var(--clr-dark);
    transition: color 0.15s ease;
}

.c-card__title a:hover {
    color: var(--clr-red);
}

/* カード本文抜粋 */
.c-card__excerpt {
    font-family: var(--ff-sans);
    font-size: 13px;
    font-weight: 400;
    line-height: 1.95;
    color: var(--clr-grey-22);
    flex: 1;
    margin-bottom: 15px;
}

/* カードタグ */
.c-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
}

/* カードフッター */
.c-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--clr-border);
    padding-top: 15px;
    margin-top: auto;
}

/* 読了時間 */
.c-read-time {
    font-family: var(--ff-garamond);
    font-size: 11px;
    font-weight: 400;
    color: var(--clr-grey-45);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ============================================================
  COMPONENT: c-pagination（ページネーション）
============================================================ */
.c-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 1px solid var(--clr-border);
    padding-top: 37px;
    margin-top: 56px;
    gap: 4px;
}

.c-pagination__label {
    font-family: var(--ff-garamond);
    font-size: 11px;
    font-weight: 400;
    color: var(--clr-grey-45);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-right: 12px;
}

.c-pagination__list {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.c-pagination__link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ff-garamond);
    font-size: 14px;
    font-weight: 400;
    color: var(--clr-grey-22);
    padding: 8px 12px;
    text-decoration: none;
    transition: color 0.15s ease;
}

.c-pagination__link:hover {
    color: var(--clr-dark);
}

.c-pagination__link.is-active {
    background-color: var(--clr-dark);
    color: var(--clr-white);
    border-bottom: 2px solid var(--clr-dark);
}

.c-pagination__ellipsis {
    font-family: var(--ff-garamond);
    font-size: 14px;
    color: var(--clr-sand);
    padding: 8px 4px;
}

.c-pagination__next {
    font-family: var(--ff-sans);
    font-size: 14px;
    font-weight: 700;
    color: var(--clr-red);
    text-decoration: none;
    margin-left: 14px;
    transition: opacity 0.15s ease;
}

.c-pagination__next:hover {
    opacity: 0.75;
}

/* WP paginate_links() 出力（type:'list'）への対応 */
.c-pagination .page-numbers {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.c-pagination .page-numbers li {
    display: flex;
}

.c-pagination .page-numbers a,
.c-pagination .page-numbers span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ff-garamond);
    font-size: 14px;
    font-weight: 400;
    color: var(--clr-grey-22);
    padding: 8px 12px;
    text-decoration: none;
    transition: color 0.15s ease;
    line-height: 1;
}

.c-pagination .page-numbers a:hover {
    color: var(--clr-dark);
}

.c-pagination .page-numbers .current {
    background-color: var(--clr-dark);
    color: var(--clr-white);
}

.c-pagination .page-numbers .dots {
    font-size: 14px;
    color: var(--clr-sand);
    padding: 8px 4px;
}

.c-pagination .page-numbers .next,
.c-pagination .page-numbers .prev {
    font-family: var(--ff-sans);
    font-size: 13px;
    font-weight: 700;
    color: var(--clr-red);
    margin-left: 4px;
}

.c-pagination .page-numbers .prev {
    margin-left: 0;
    margin-right: 4px;
}

/* ============================================================
  PROJECT: p-feature（今週の特集）
============================================================ */
.p-feature {
    padding: 56px 0;
    border-bottom: 1px solid var(--clr-border);
}

/* 3カラムグリッド */
.p-feature__grid {
    display: grid;
    grid-template-columns: 36px minmax(0, 1.15fr) minmax(0, 1fr);
    column-gap: 40px;
    align-items: stretch;
}

/* Col 1: 縦書きAsideエリア */
.p-feature__aside {
    display: flex;
    /* align-items: center; */
    /* justify-content: center; */
    border-right: 1px solid var(--clr-dark);
}

.p-feature__vertical-text {
    writing-mode: vertical-rl;
    font-family: var(--ff-mincho);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.4em;
    color: var(--clr-red);
    user-select: none;
}

/* Col 2: 画像エリア */
.p-feature__image-wrap {
    position: relative;
}

.p-feature__image {
    background: var(--gradient-placeholder);
    position: relative;
    overflow: visible;
    height: 100%;
}

.p-feature__image img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

/* バッジ（左上・画像からはみ出し） */
.p-feature__badge {
    position: absolute;
    top: 16px;
    left: -8px;
    background-color: var(--clr-red);
    box-shadow: 4px 4px 0 var(--clr-dark);
    padding: 10px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    z-index: 1;
}

.p-feature__badge-en {
    font-family: var(--ff-garamond);
    font-size: 11px;
    font-weight: 400;
    color: var(--clr-white);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    line-height: 1;
}

.p-feature__badge-ja {
    font-family: var(--ff-sans);
    font-size: 14px;
    font-weight: 700;
    color: var(--clr-white);
    line-height: 1;
}

/* 画像右下ラベル・番号 */
.p-feature__img-label {
    position: absolute;
    bottom: 12px;
    right: 14px;
    font-family: var(--ff-mono);
    font-size: 10px;
    font-weight: 400;
    color: var(--clr-grey-45);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1;
}

.p-feature__img-num {
    position: absolute;
    bottom: 26px;
    right: 14px;
    font-family: var(--ff-garamond);
    font-size: 10px;
    font-weight: 400;
    color: var(--clr-grey-45);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1;
}

/* Col 3: 記事情報エリア */
.p-feature__info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 13px 16px 13px 0;
}

/* メタ行 */
.p-feature__meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

/* 見出しブロック */
.p-feature__heading-block {
    margin-bottom: 20px;
}

/* 赤バー */
.p-feature__red-bar {
    display: block;
    width: 64px;
    height: 4px;
    background-color: var(--clr-red);
    margin-bottom: 17px;
}

/* メイン見出し */
.p-feature__title {
    font-family: var(--ff-sans);
    font-size: 32px;
    font-weight: 800;
    line-height: 1.4;
    letter-spacing: 0.005em;
    color: var(--clr-dark);
}

/* リードテキスト */
.p-feature__lead {
    font-family: var(--ff-sans);
    font-size: 15px;
    font-weight: 400;
    line-height: 2.05;
    color: var(--clr-grey-22);
    flex: 1;
    margin-bottom: 0;
}

/* フッター行 */
.p-feature__footer {
    display: flex;
    align-items: center;
    gap: 12px;
    border-top: 1px solid var(--clr-border);
    padding-top: 23px;
    margin-top: 24px;
}

/* 著者情報 */
.p-feature__author {
    display: flex;
    flex-direction: column;
    gap: 3px;
    flex: 1;
}

.p-feature__author-name {
    font-family: var(--ff-sans);
    font-size: 13px;
    font-weight: 700;
    color: var(--clr-dark);
    line-height: 1;
}

.p-feature__author-en {
    font-family: var(--ff-garamond);
    font-size: 11px;
    font-weight: 400;
    color: var(--clr-grey-45);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    line-height: 1;
}

/* ============================================================
  PROJECT: p-pickup（注目記事 02〜04）
============================================================ */
.p-pickup {
    padding: 36px 0 57px;
    border-bottom: 1px solid var(--clr-border);
}

.p-pickup__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

/* 各記事アイテム */
.p-pickup__item {
    display: grid;
    grid-template-columns: 56px 1fr;
    column-gap: 18px;
    align-items: start;
}

/* 2・3番目のアイテムに左ボーダー */
.p-pickup__item--bordered {
    border-left: 1px solid var(--clr-border);
    padding-left: 29px;
}

/* 番号 */
.p-pickup__num {
    font-family: var(--ff-garamond);
    font-size: 40px;
    font-weight: 500;
    color: var(--clr-red);
    line-height: 1;
    padding-top: 2px;
}

/* ボディ */
.p-pickup__body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* タイトル */
.p-pickup__title {
    font-family: var(--ff-sans);
    font-size: 16px;
    font-weight: 700;
    line-height: 1.55;
    color: var(--clr-dark);
}

.p-pickup__title a {
    text-decoration: none;
    color: inherit;
    transition: color 0.15s ease;
}

.p-pickup__title a:hover {
    color: var(--clr-red);
}

/* ============================================================
  PROJECT: p-articles（記事一覧）
============================================================ */
.p-articles__heading {
    position: relative;
    display: flex;
    align-items: center;
    border-bottom: 3px solid var(--clr-dark);
    padding-bottom: 17px;
    margin-bottom: 32px;
    min-height: 52px;
}

/* セクション見出し */
.p-articles__title {
    font-family: var(--ff-sans);
    font-size: 30px;
    font-weight: 800;
    color: var(--clr-dark);
    line-height: 1;
}

/* 記事グリッド */
.p-articles__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: 40px;
    row-gap: 56px;
}

/* ============================================================
  PROJECT: p-popular（人気の記事）
============================================================ */
.p-popular {
    background-color: var(--clr-white);
}

/* セクション見出しエリア */
.p-popular__heading {
    position: relative;
    height: 36px;
    margin-bottom: 24px;
}

/* 「人気の記事」ラベル（absolute: 左） */
.p-popular__title {
    position: absolute;
    left: 0;
    top: 0;
    background-color: var(--clr-dark);
    color: var(--clr-white);
    font-family: var(--ff-sans);
    font-size: 16px;
    font-weight: 800;
    padding: 6px 12px;
    line-height: 1.3;
    white-space: nowrap;
}

/* 集計期間ラベル（absolute: 右） */
.p-popular__period {
    position: absolute;
    right: 0;
    bottom: 0;
    font-family: var(--ff-sans);
    font-size: 11px;
    font-weight: 400;
    color: var(--clr-grey-45);
}

/* リスト */
.p-popular__list {
    display: flex;
    flex-direction: column;
    gap: 18px;
    list-style: none;
}

/* 各アイテム */
.p-popular__item {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 14px;
    align-items: start;
    padding-bottom: 19px;
}

/* 1〜4番目は点線ボーダー */
.p-popular__item--bordered {
    border-bottom: 1px dashed var(--clr-border);
}

/* 番号 */
.p-popular__num {
    font-family: var(--ff-garamond);
    font-size: 28px;
    font-weight: 600;
    color: var(--clr-red);
    line-height: 1;
}

/* ボディ */
.p-popular__body {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* タイトル */
.p-popular__article-title {
    font-family: var(--ff-sans);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.55;
    color: var(--clr-dark);
    text-decoration: none;
    transition: color 0.15s ease;
}

.p-popular__article-title:hover {
    color: var(--clr-red);
}

/* メタ */
.p-popular__meta {
    font-family: var(--ff-garamond);
    font-size: 11px;
    font-weight: 400;
    color: var(--clr-grey-45);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ============================================================
  PROJECT: p-newsletter（メルマガ登録）
============================================================ */
.p-newsletter {
    background-color: var(--clr-dark);
    position: relative;
}

/* 上部赤バー（::before） */
.p-newsletter::before {
    content: "";
    display: block;
    height: 6px;
    background-color: var(--clr-red);
}

.p-newsletter__inner {
    padding: 24px 20px 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* バッジ */
.p-newsletter__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 5px 11px;
    width: fit-content;
}

.p-newsletter__badge-en {
    font-family: var(--ff-garamond);
    font-size: 10px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.p-newsletter__badge-sep {
    color: rgba(255, 255, 255, 0.4);
    font-size: 10px;
}

.p-newsletter__badge-ja {
    font-family: var(--ff-sans);
    font-size: 11px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
}

/* 見出し */
.p-newsletter__title {
    font-family: var(--ff-sans);
    font-size: 22px;
    font-weight: 800;
    color: var(--clr-white);
    line-height: 1.4;
}

/* 説明文 */
.p-newsletter__desc {
    font-family: var(--ff-sans);
    font-size: 12px;
    font-weight: 400;
    line-height: 1.95;
    color: rgba(255, 255, 255, 0.7);
}

/* フォーム */
.p-newsletter__form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* メール入力 */
.p-newsletter__input {
    width: 100%;
    height: 40px;
    padding: 0 14px;
    background-color: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: var(--clr-white);
    font-family: var(--ff-sans);
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s ease;
}

.p-newsletter__input::placeholder {
    color: rgba(255, 255, 255, 0.35);
}

.p-newsletter__input:focus {
    border-color: rgba(255, 255, 255, 0.6);
}

/* 登録ボタン */
.p-newsletter__submit {
    width: 100%;
    height: 40px;
    background-color: var(--clr-red);
    color: var(--clr-white);
    font-family: var(--ff-sans);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.18em;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.p-newsletter__submit:hover {
    background-color: var(--clr-red-border);
}

/* 注意書き */
.p-newsletter__note {
    font-family: var(--ff-sans);
    font-size: 11px;
    color: rgba(255, 255, 255, 0.55);
    text-align: center;
}

.p-newsletter__privacy-link {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: color 0.15s ease;
}

.p-newsletter__privacy-link:hover {
    color: rgba(255, 255, 255, 0.85);
}

/* ============================================================
  PROJECT: p-article-breadcrumb（パンくずナビ）
============================================================ */
.p-article-breadcrumb {
    padding: 16px 0;
    border-bottom: 1px solid var(--clr-border);
}

.p-article-breadcrumb__list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    font-family: var(--ff-sans);
    font-size: 12px;
    color: var(--clr-grey-45);
}

/* ›区切り記号と次テキストをまとめてflexで揃える */
.p-article-breadcrumb__list li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.p-article-breadcrumb__list a {
    color: var(--clr-grey-45);
    text-decoration: none;
    transition: color 0.15s ease;
}

.p-article-breadcrumb__list a:hover {
    color: var(--clr-red);
}

/* 現在ページ */
.p-article-breadcrumb__list [aria-current="page"] {
    color: var(--clr-dark);
    font-weight: 700;
}

/* ============================================================
  PROJECT: p-article（記事詳細コンテナ）
============================================================ */
.p-article {
    padding-top: 48px;
}

/* ============================================================
  PROJECT: p-article__header（記事ヘッダー）
============================================================ */
.p-article__header {
    margin-bottom: 48px;
}

.p-article__header-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
}

.p-article__title {
    font-family: var(--ff-sans);
    font-size: 36px;
    font-weight: 800;
    line-height: 1.45;
    color: var(--clr-dark);
    margin-bottom: 24px;
}

.p-article__lead {
    font-family: var(--ff-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 2;
    color: var(--clr-grey-22);
    border-left: 4px solid var(--clr-red);
    padding-left: 20px;
    margin-bottom: 32px;
}

/* ヒーロー画像エリア */
.p-article__hero {
    aspect-ratio: 16 / 9;
    background: var(--gradient-placeholder);
    position: relative;
    overflow: hidden;
    margin-bottom: 8px;
}

.p-article__hero img {
    width: 100%;
    height: 100%;
}

/* 右下ラベルはp-feature__img-labelとp-feature__img-numを流用 */

.p-article__hero-caption {
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--clr-grey-45);
    text-align: right;
    letter-spacing: 0.06em;
}

/* ============================================================
  PROJECT: p-article__body（記事本文）
============================================================ */
.p-article__body {
    font-family: var(--ff-sans);
    font-size: 16px;
    font-weight: 400;
    line-height: 2;
    color: var(--clr-grey-22);
}

/* 隣接要素間の余白（全レベル共通） */
.p-article__body>*+*,
.p-article__body .article-section>*+* {
    margin-top: 24px;
}

/* section同士はborderで区切る（margin不要） */
.p-article__body>.article-section+.article-section {
    margin-top: 0;
}

/* CTAは上に大きめ余白 */
.p-article__body>*+.article-cta {
    margin-top: 56px;
}

/* h2 */
.p-article__body h2 {
    font-family: var(--ff-sans);
    font-size: 24px;
    font-weight: 800;
    color: var(--clr-dark);
    line-height: 1.4;
    border-bottom: 3px solid var(--clr-dark);
    padding-bottom: 14px;
    margin-top: 56px;
}

/* article-section の先頭 h2 は上余白不要 */
.p-article__body .article-section>h2:first-child {
    margin-top: 0;
}

/* h2の上の赤アクセントバー */
.p-article__body h2::before {
    content: "";
    display: block;
    width: 48px;
    height: 4px;
    background-color: var(--clr-red);
    margin-bottom: 12px;
}

/* h3 */
.p-article__body h3 {
    font-family: var(--ff-sans);
    font-size: 18px;
    font-weight: 700;
    color: var(--clr-dark);
    line-height: 1.5;
    margin-top: 40px;
    padding-left: 14px;
    border-left: 3px solid var(--clr-red);
}

/* p */
.p-article__body p {
    line-height: 2;
}

/* strong */
.p-article__body strong {
    font-weight: 700;
    color: var(--clr-dark);
}

/* a */
.p-article__body a {
    color: var(--clr-red);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* blockquote */
.p-article__body blockquote {
    border-left: 4px solid var(--clr-border);
    padding: 16px 24px;
    background-color: var(--clr-bg-light);
    font-family: var(--ff-garamond);
    font-size: 18px;
    font-style: italic;
    color: var(--clr-grey-22);
    line-height: 1.8;
}

.p-article__body blockquote cite {
    font-family: var(--ff-sans);
    font-size: 12px;
    font-style: normal;
    color: var(--clr-grey-45);
    display: block;
    margin-top: 10px;
}

/* ul */
.p-article__body ul {
    padding-left: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    list-style: none;
}

.p-article__body ul li {
    padding-left: 20px;
    position: relative;
}

/* ダッシュ区切り */
.p-article__body ul li::before {
    content: "\2014";
    position: absolute;
    left: 0;
    font-family: var(--ff-garamond);
    color: var(--clr-red);
}

/* ol */
.p-article__body ol {
    counter-reset: article-list;
    padding-left: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    list-style: none;
}

.p-article__body ol li {
    padding-left: 32px;
    position: relative;
    counter-increment: article-list;
}

.p-article__body ol li::before {
    content: counter(article-list, decimal-leading-zero);
    position: absolute;
    left: 0;
    font-family: var(--ff-garamond);
    font-size: 13px;
    font-weight: 600;
    color: var(--clr-red);
    line-height: 2;
}

/* figure */
.p-article__body figure {
    margin: 0;
}

/* 画像プレースホルダー */
.p-article__body .figure-placeholder {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: var(--gradient-placeholder);
}

.p-article__body figcaption {
    font-family: var(--ff-mono);
    font-size: 11px;
    color: var(--clr-grey-45);
    margin-top: 8px;
    letter-spacing: 0.06em;
}

/* c-callout（本文内コールアウト） */
.p-article__body .c-callout {
    background-color: var(--clr-bg-light);
    border: 1px solid var(--clr-border);
    border-left: 4px solid var(--clr-red);
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.p-article__body .c-callout__label {
    font-family: var(--ff-garamond);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--clr-red);
}

.p-article__body .c-callout__body {
    font-family: var(--ff-sans);
    font-size: 14px;
    line-height: 1.85;
    color: var(--clr-grey-22);
}

/* ============================================================
  PROJECT: p-article__footer（記事フッター）
============================================================ */
.p-article__footer {
    margin-top: 64px;
    padding-top: 40px;
    border-top: 3px solid var(--clr-dark);
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* タグエリア */
.p-article__tags {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.p-article__tags-label {
    font-family: var(--ff-garamond);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--clr-grey-45);
    margin-right: 4px;
}

/* タグリンク */
.c-tag {
    font-family: var(--ff-sans);
    font-size: 11px;
    font-weight: 500;
    color: var(--clr-grey-22);
    border: 1px solid var(--clr-border);
    padding: 5px 12px;
    text-decoration: none;
    transition:
        border-color 0.15s ease,
        color 0.15s ease;
}

.c-tag:hover {
    border-color: var(--clr-red);
    color: var(--clr-red);
}

/* シェアエリア */
.p-article__share {
    display: flex;
    align-items: center;
    gap: 12px;
}

.p-article__share-label {
    font-family: var(--ff-garamond);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--clr-grey-45);
}

/* シェアボタン */
.c-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--ff-sans);
    font-size: 12px;
    font-weight: 700;
    padding: 8px 16px;
    border: 1px solid var(--clr-border);
    color: var(--clr-grey-22);
    text-decoration: none;
    transition:
        border-color 0.15s ease,
        color 0.15s ease;
}

.c-share-btn:hover {
    border-color: var(--clr-dark);
    color: var(--clr-dark);
}

/* ============================================================
  COMPONENT: c-author-card（著者カード）
============================================================ */
.c-author-card {
    margin-top: 24px;
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 20px;
    align-items: start;
    padding: 24px;
    background-color: var(--clr-bg-light);
    border-left: 4px solid var(--clr-dark);
}

.c-author-card__avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 40%, #d8d3c8, #b4ad9f);
    flex-shrink: 0;
}

.c-author-card__info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.c-author-card__label {
    font-family: var(--ff-garamond);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--clr-grey-45);
}

.c-author-card__name {
    font-family: var(--ff-sans);
    font-size: 16px;
    font-weight: 700;
    color: var(--clr-dark);
    line-height: 1;
}

.c-author-card__name-en {
    font-family: var(--ff-garamond);
    font-size: 11px;
    color: var(--clr-grey-45);
    letter-spacing: 0.1em;
}

.c-author-card__bio {
    font-family: var(--ff-sans);
    font-size: 13px;
    line-height: 1.8;
    color: var(--clr-grey-22);
    margin-top: 6px;
}

/* ============================================================
  COMPONENT: c-article-nav（前後記事ナビ）
============================================================ */
.c-article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    margin-top: 48px;
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
}

.c-article-nav__item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 24px 0;
    text-decoration: none;
    transition: opacity 0.15s ease;
}

.c-article-nav__item:hover {
    opacity: 0.75;
}

/* 次の記事：1件のみの時も右カラムに固定 */
.c-article-nav__item--next {
    grid-column: 2;
    text-align: right;
    border-left: 1px solid var(--clr-border);
    padding-left: 24px;
}

/* 前の記事 */
.c-article-nav__item--prev {
    padding-right: 24px;
}

.c-article-nav__label {
    font-family: var(--ff-garamond);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--clr-grey-45);
}

.c-article-nav__title {
    font-family: var(--ff-sans);
    font-size: 14px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--clr-dark);
}

/* ============================================================
  PROJECT: p-related（関連記事）
============================================================ */
.p-related {
    padding: 64px 0 80px;
    border-top: 1px solid var(--clr-border);
}

.p-related__heading {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 3px solid var(--clr-dark);
}

.p-related__title {
    font-family: var(--ff-sans);
    font-size: 22px;
    font-weight: 800;
    color: var(--clr-dark);
    line-height: 1;
}

.p-related__title-en {
    font-family: var(--ff-garamond);
    font-size: 11px;
    color: var(--clr-grey-45);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.p-related__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    column-gap: 40px;
    row-gap: 40px;
}

/* ============================================================
  PROJECT: p-sidebar-tags（サイドバー タグ一覧）
============================================================ */
.p-sidebar-tags {
    margin-top: 40px;
}

.p-sidebar-tags__heading {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--clr-border);
}

.p-sidebar-tags__title {
    font-family: var(--ff-garamond);
    font-size: 15px;
    font-weight: 400;
    letter-spacing: 0.06em;
    color: var(--clr-dark);
}

.p-sidebar-tags__en {
    font-family: var(--ff-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    color: var(--clr-grey-45);
    text-transform: uppercase;
}

.p-sidebar-tags__list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* ============================================================
  PAGE: 検索結果・アーカイブ共通ヘッダー
============================================================ */
.p-archive-header {
    padding: 40px 0 32px;
    border-bottom: 1px solid var(--clr-border);
    margin-bottom: 48px;
}

.p-archive-header__label {
    font-family: var(--ff-mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--clr-grey-45);
    margin-bottom: 10px;
}

.p-archive-header__title {
    font-family: var(--ff-mincho);
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 700;
    color: var(--clr-dark);
    line-height: 1.3;
}

.p-archive-header__title em {
    font-style: normal;
    color: var(--clr-red);
}

.p-archive-header__count {
    margin-top: 10px;
    font-family: var(--ff-sans);
    font-size: 13px;
    color: var(--clr-grey-45);
}

.p-search-no-results {
    padding: 64px 0;
    text-align: center;
    color: var(--clr-grey-45);
    font-family: var(--ff-sans);
    font-size: 15px;
}

/* ============================================================
  PROJECT: アーカイブ用 PICKUP（カテゴリ内 週間1位）
============================================================ */
.p-archive-pickup {
    margin-bottom: 64px;
}

.p-archive-pickup__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 32px;
    border: 1px solid var(--clr-border);
}

.p-archive-pickup__image {
    aspect-ratio: 16 / 9;
    background-color: var(--clr-bg-cream);
    overflow: hidden;
}

.p-archive-pickup__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.p-archive-pickup__info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 16px;
}

.p-archive-pickup__badge {
    font-family: var(--ff-mono);
    font-size: 10px;
    letter-spacing: 0.2em;
    color: var(--clr-red);
    text-transform: uppercase;
}

.p-archive-pickup__title {
    font-family: var(--ff-mincho);
    font-size: 22px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--clr-dark);
}

.p-archive-pickup__title a {
    text-decoration: none;
    color: inherit;
}

.p-archive-pickup__title a:hover {
    color: var(--clr-red);
}

.p-archive-pickup__excerpt {
    font-family: var(--ff-sans);
    font-size: 14px;
    line-height: 1.7;
    color: var(--clr-grey-45);
}

/* ============================================================
  COMPONENT: c-scroll-top（ページ先頭へ戻るボタン）
============================================================ */
.c-scroll-top {
    position: fixed;
    right: 28px;
    bottom: 32px;
    width: 44px;
    height: 44px;
    border: 1px solid var(--clr-border);
    background: var(--clr-white);
    color: var(--clr-dark);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition:
        opacity 0.2s ease,
        transform 0.2s ease,
        visibility 0.2s ease,
        background 0.15s ease;
    z-index: 100;
}

.c-scroll-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.c-scroll-top:hover {
    background: var(--clr-dark);
    color: var(--clr-white);
    border-color: var(--clr-dark);
}

/* 著者アバター（Gravatar img タグ対応） */
.c-author-card__avatar {
    width: 64px;
    height: 64px;
    overflow: hidden;
    border-radius: 50%;
    flex-shrink: 0;
}

.c-author-card__avatar-img,
.c-author-card__avatar img {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    object-fit: cover;
}

/* サムネイルプレースホルダー（アイキャッチ未設定時） */
.c-thumb-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--clr-bg-cream);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ff-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    color: var(--clr-sand);
    text-transform: uppercase;
}

/* ============================================================
  RESPONSIVE: タブレット (≤ 991px)
============================================================ */
@media (max-width: 991px) {
    :root {
        --container-px: 32px;
    }

    /* ---- Subnav: 横スクロール ---- */
    .l-subnav__inner {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        flex-wrap: nowrap;
    }

    .l-subnav__inner::-webkit-scrollbar {
        display: none;
    }

    .c-cat-list {
        flex-wrap: nowrap;
        white-space: nowrap;
    }

    /* ---- 検索フォーム: タッチ操作ではhoverが使えないため常時展開 ---- */
    .c-search-wrap__input {
        width: 160px;
        padding: 0 14px;
        opacity: 1;
    }

    /* Feature: aside非表示・画像+情報の2カラム */
    .p-feature__grid {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    }

    .p-feature__aside {
        display: none;
    }

    /* コンテンツ+サイドバー: 縦積み */
    .l-content-sidebar {
        grid-template-columns: 1fr;
        column-gap: 0;
    }

    .l-sidebar {
        position: static;
        top: auto;
    }

    /* 関連記事: 2カラム */
    .p-related__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* フッターリンク: 2カラム */
    .l-footer__links {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================================
  RESPONSIVE: モバイル (≤ 767px)
============================================================ */
@media (max-width: 767px) {
    :root {
        --container-px: 20px;
    }

    html {
        scroll-padding-top: 66px;
        /* モバイルヘッダー高さ(60px + accent 6px)に合わせる */
    }

    /* ---- Header ---- */
    .l-header__inner {
        height: 60px;
    }

    .c-logo__name {
        font-size: 26px;
    }

    /* モバイルでは検索フォームとセパレーターを非表示 */
    .c-search-wrap,
    .c-header-sep {
        display: none;
    }

    .c-btn-subscribe {
        height: 32px;
        padding: 0 12px;
    }

    .c-btn-subscribe__label {
        font-size: 12px;
    }

    .c-btn-subscribe__badge {
        display: none;
    }

    /* ---- Subnav: 横スクロール（タブレットのスタイルを引き継ぎ）---- */
    .l-subnav__inner {
        height: auto;
        padding: 10px 0;
    }

    .l-subnav__sep {
        display: none;
    }

    /* ---- Feature ---- */
    .p-feature {
        padding: 32px 0;
    }

    .p-feature__grid {
        grid-template-columns: 1fr;
        row-gap: 20px;
    }

    .p-feature__info {
        padding: 0;
    }

    .p-feature__title {
        font-size: 22px;
    }

    .p-feature__lead {
        font-size: 14px;
        line-height: 1.85;
    }

    /* はみ出し防止: left: -8px を 0 に戻す */
    .p-feature__badge {
        left: 0;
    }

    /* ---- Pickup ---- */
    .p-pickup {
        padding: 24px 0 40px;
    }

    .p-pickup__grid {
        grid-template-columns: 1fr;
    }

    .p-pickup__item {
        padding-bottom: 20px;
        padding-top: 20px;
    }

    .p-pickup__item:first-child {
        padding-top: 0;
    }

    .p-pickup__item--bordered {
        border-left: none;
        border-top: 1px solid var(--clr-border);
        padding-left: 0;
    }

    /* ---- コンテンツ+サイドバー ---- */
    .l-content-sidebar {
        padding-top: 32px;
    }

    /* ---- 記事グリッド ---- */
    .p-articles__grid {
        grid-template-columns: 1fr;
        row-gap: 40px;
    }

    .p-articles__title {
        font-size: 22px;
    }

    /* ---- 記事詳細 ---- */
    .p-article__title {
        font-size: 24px;
        line-height: 1.4;
    }

    .p-article__lead {
        font-size: 14px;
    }

    .p-article__body {
        font-size: 15px;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .p-article__body h2 {
        font-size: 20px;
    }

    .p-article__body h3 {
        font-size: 16px;
    }

    /* コードブロック・テーブルは横スクロールで対応 */
    .p-article__body pre,
    .p-article__body code,
    .p-article__body table {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        display: block;
        max-width: 100%;
    }

    .p-article__body blockquote {
        font-size: 15px;
        padding: 12px 16px;
    }

    /* ---- シェアボタン: 小さい画面で折り返し ---- */
    .p-article__share {
        flex-wrap: wrap;
    }

    /* ---- 前後記事ナビ ---- */
    .c-article-nav {
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .c-article-nav__item {
        padding: 16px 0;
    }

    .c-article-nav__item--next {
        padding-left: 14px;
    }

    .c-article-nav__item--prev {
        padding-right: 14px;
    }

    .c-article-nav__title {
        font-size: 13px;
    }

    /* ---- 関連記事 ---- */
    .p-related {
        padding: 40px 0 56px;
    }

    .p-related__grid {
        grid-template-columns: 1fr;
    }

    /* ---- アーカイブピックアップ ---- */
    .p-archive-pickup__inner {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
    }

    /* ---- フッター ---- */
    .l-footer__main {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .l-footer__desc {
        max-width: 100%;
    }

    .l-footer__links {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .l-footer__bottom-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding-top: 16px;
        padding-bottom: 16px;
    }

    /* ---- ページネーション ---- */
    .c-pagination {
        flex-wrap: wrap;
        gap: 8px;
    }

    .c-pagination__label {
        width: 100%;
        text-align: center;
        margin-right: 0;
    }

    .c-pagination .page-numbers a,
    .c-pagination .page-numbers span {
        padding: 6px 10px;
    }

    /* ---- スクロールトップボタン ---- */
    .c-scroll-top {
        right: 16px;
        bottom: 20px;
    }
}

/* ==========================================================================
   Article Components（記事共通パーツ）
   ========================================================================== */

/* 目次 */
.article-toc {
    background: var(--clr-white);
    border: 2px solid var(--clr-dark);
    border-radius: 2px;
    padding: 28px 32px;
    margin-bottom: 0;
    position: relative;
}

.article-toc::before {
    content: "CONTENTS";
    display: block;
    font-size: 0.6875rem;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--clr-white);
    background: var(--clr-dark);
    padding: 4px 12px;
    position: absolute;
    top: -1px;
    left: -1px;
    border-radius: 0 0 2px 0;
}

.article-toc ol {
    margin: 20px 0 0;
    padding-left: 1.6em;
    list-style: decimal;
}

/* .article-toc ol li::marker {
    content: counter(list-item) ". ";
    font-size: 0.875rem;
    color: var(--clr-grey-45);
} */

.article-toc ol ol {
    margin-top: 6px;
    padding-left: 1.4em;
    list-style: none;
}

/*
.article-toc ol ol li::marker {
    content: "\203A\00A0";
    color: var(--clr-border);
} */

.article-toc li {
    margin-bottom: 10px;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.article-toc ol ol li {
    margin-bottom: 6px;
    font-size: 0.875rem;
    color: var(--clr-grey-45);
}

.article-toc a {
    color: var(--clr-dark);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition:
        border-color 0.15s,
        color 0.15s;
}

.article-toc a:hover {
    color: var(--clr-red);
    border-bottom-color: var(--clr-red);
}

/* テーブルラッパー */
.article-table {
    overflow-x: auto;
    margin-bottom: 0;
    -webkit-overflow-scrolling: touch;
}

.article-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
    line-height: 1.6;
}

.article-table caption {
    text-align: left;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--clr-dark);
}

.article-table th,
.article-table td {
    border: 1px solid var(--clr-border);
    padding: 10px 14px;
    vertical-align: top;
}

.article-table th {
    background: var(--clr-bg-light);
    font-weight: 700;
    white-space: nowrap;
}

/* 箇条書きリスト */
.article-list {
    padding-left: 1.6em;
    margin-bottom: 0;
    list-style: disc;
}

.article-list li {
    margin-bottom: 8px;
    line-height: 1.7;
}

/* 番号付きリスト */
.article-list-ordered {
    padding-left: 1.6em;
    margin-bottom: 0;
    list-style: decimal;
}

.article-list-ordered li {
    margin-bottom: 8px;
    line-height: 1.7;
}

/* 引用 */
.article-quote {
    border-left: 4px solid var(--clr-red);
    background: var(--clr-bg-light);
    padding: 16px 20px;
    margin-bottom: 0;
    color: var(--clr-dark);
    font-style: italic;
}

.article-quote cite {
    display: block;
    margin-top: 8px;
    font-size: 0.875rem;
    font-style: normal;
    color: #666;
}

/* リード文 */
.article-lead {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--clr-grey-22);
    margin-bottom: 0;
}

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

/* セクション */
.article-section {
    margin-bottom: 0;
    padding-bottom: 48px;
}

.article-section+.article-section {
    border-top: 1px solid var(--clr-border);
    padding-top: 48px;
}

/* FAQ */
.article-faq {
    margin-bottom: 0;
}

.article-faq__item {
    margin-bottom: 20px;
}

.article-faq__q {
    font-weight: 700;
    padding: 14px 16px 14px 44px;
    background: var(--clr-bg-light);
    border-left: 4px solid var(--clr-red);
    position: relative;
    line-height: 1.6;
    margin-bottom: 0;
}

.article-faq__q::before {
    content: "Q";
    position: absolute;
    left: 14px;
    top: 14px;
    font-weight: 900;
    color: var(--clr-red);
    font-size: 1rem;
    line-height: 1.6;
}

.article-faq__a {
    padding: 14px 16px 14px 44px;
    border: 1px solid var(--clr-border);
    border-top: none;
    position: relative;
    line-height: 1.75;
    margin-bottom: 0;
}

.article-faq__a::before {
    content: "A";
    position: absolute;
    left: 14px;
    top: 14px;
    font-weight: 900;
    color: var(--clr-grey-45);
    font-size: 1rem;
    line-height: 1.75;
}

/* CTA */
.article-cta {
    background: var(--clr-bg-light);
    padding: 40px;
    text-align: center;
    margin-top: 0;
    margin-bottom: 0;
    border: 2px solid #956959;
}

.article-cta__lead {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--clr-grey-22);
    margin-bottom: 20px;
    font-weight: 600;
}

.article-cta__button {
    display: inline-block;
    background-color: var(--clr-dark);
    color: #fff !important;
    text-decoration: none !important;
    font-family: var(--ff-sans);
    font-size: 16px;
    display: flex;
    font-weight: 700;
    letter-spacing: 0.04em;
    padding: 12px 32px;
    text-decoration: none;
    transition: opacity 0.15s ease;
    justify-content: center;
    align-items: center;
    height: 60px;
}

.article-cta__button:hover {
    opacity: 0.8;
}

/* 内部リンクカード */
.article-link-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid var(--clr-border);
    border-left: 3px solid var(--clr-red);
    border-radius: 2px;
    padding: 14px 18px;
    text-decoration: none;
    color: var(--clr-dark);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.5;
    background: var(--clr-white);
    transition:
        background 0.15s,
        border-left-color 0.15s;
}

.article-link-card::after {
    content: "\2192";
    font-size: 0.875rem;
    color: var(--clr-red);
    flex-shrink: 0;
    transition: transform 0.15s;
}

.article-link-card:hover {
    background: var(--clr-bg-light);
}

.article-link-card:hover::after {
    transform: translateX(4px);
}

.article-link-card__label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--clr-red);
    white-space: nowrap;
}

.article-link-card__title {
    font-size: 0.9375rem;
    font-weight: 700;
    line-height: 1.5;
}

/* 参考リスト */
.article-references {
    border-top: 1px solid var(--clr-border);
    padding-top: 24px;
    margin-top: 48px;
}

.article-references h2 {
    font-size: 0.9375rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #666;
}

.article-references .article-list {
    font-size: 0.875rem;
    color: #666;
}

/* コールアウト */
.article-callout {
    background: var(--clr-bg-light);
    border-radius: 2px;
    padding: 20px 24px;
    margin-bottom: 0;
    line-height: 1.75;
    font-size: 0.9375rem;
    position: relative;
}

/* callout内のリンクカードは余白リセット */
.article-callout .article-link-card {
    margin-bottom: 0;
    background: var(--clr-white);
}

/* CTAとして使われるcallout（リンクカード単体 or ボタン系） */
.article-callout--cta {
    background: var(--clr-dark);
    color: var(--clr-white);
    padding: 32px 36px;
    text-align: center;
}

.article-callout--cta p {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 20px;
    font-size: 1rem;
}

.article-callout--cta a {
    display: inline-block;
    background: var(--clr-red);
    color: var(--clr-white);
    font-weight: 700;
    font-size: 0.9375rem;
    padding: 14px 36px;
    border-radius: 2px;
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: opacity 0.15s;
}

.article-callout--cta a:hover {
    opacity: 0.85;
}

.article-callout--warning {
    background: #fff8f0;
    border-left: 3px solid #e07b2a;
}

.article-callout--info {
    background: #f0f7ff;
    border-left: 3px solid #4a90d9;
}

/* スマホ対応 */
@media (max-width: 767.9px) {
    .article-toc {
        padding: 20px 20px 20px;
    }

    .article-toc::before {
        font-size: 0.625rem;
        padding: 3px 10px;
    }

    .article-toc ol {
        margin-top: 16px;
    }

    .article-callout {
        padding: 20px 20px;
    }

    .article-callout--cta {
        padding: 28px 20px;
    }

    .article-callout--cta a {
        display: block;
        padding: 14px 20px;
    }

    .article-link-card {
        padding: 12px 14px;
        font-size: 0.875rem;
    }

    .article-faq__q,
    .article-faq__a {
        padding-left: 36px;
    }

    .article-faq__q::before,
    .article-faq__a::before {
        left: 10px;
    }

    .article-cta {
        padding: 36px 24px;
    }

    .article-cta__button {
        display: block;
        padding: 14px 20px;
        letter-spacing: 0.06em;
    }
}