@charset "UTF-8";

/* ==========================================================================
   合同会社東雲商事 オフィシャルテーマ メインCSS
   構造: 変数 / リセット / ベース / レイアウト / コンポーネント / ページ別 / レスポンシブ
   モバイルファースト設計
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. カスタムプロパティ（CSS変数）
   -------------------------------------------------------------------------- */
:root {
    /* カラー */
    --color-bg: #ffffff;
    --color-bg-alt: #f7f8fa;
    --color-text: #1a2233;
    --color-text-muted: #5a6678;
    --color-primary: #0a1929;
    --color-accent: #4a90e2;
    --color-accent-dark: #2d6cb8;
    --color-border: #e5e8ee;
    --color-white: #ffffff;
    --color-dark: #0a1929;
    --color-success: #2e9c5b;
    --color-error: #c4322a;

    /* タイポグラフィ */
    --font-base: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
    --font-en: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

    /* レイアウト */
    --container-max: 1200px;
    --container-narrow: 800px;
    --header-height: 72px;

    /* スペース */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    /* シャドウ */
    --shadow-sm: 0 2px 8px rgba(10, 25, 41, 0.06);
    --shadow-md: 0 10px 30px rgba(10, 25, 41, 0.08);
    --shadow-lg: 0 20px 50px rgba(10, 25, 41, 0.12);

    /* アニメーション */
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --duration: 0.4s;

    /* ボーダー半径 */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

/* --------------------------------------------------------------------------
   2. リセット
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: var(--font-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--duration) var(--ease);
}

a:hover,
a:focus {
    color: var(--color-accent-dark);
}

h1, h2, h3, h4, h5, h6 {
    margin: 0;
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-primary);
}

p {
    margin: 0 0 1em;
}

ul, ol {
    margin: 0;
    padding: 0;
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* スクリーンリーダー用テキスト */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #fff;
    clip: auto !important;
    clip-path: none;
    color: var(--color-primary);
    display: block;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    background: var(--color-primary);
    color: #fff;
    padding: 0.5rem 1rem;
    z-index: 9999;
}

.skip-link:focus {
    top: 1rem;
}

/* --------------------------------------------------------------------------
   3. レイアウト共通
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.container--narrow {
    max-width: var(--container-narrow);
}

.text-center {
    text-align: center;
}

.is-pc {
    display: none;
}

.is-sp {
    display: inline;
}

/* セクション基本 */
.section {
    padding: var(--space-xl) 0;
}

.section--services,
.section--news {
    background-color: var(--color-bg-alt);
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.section__eyebrow {
    font-family: var(--font-en);
    font-size: 0.875rem;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    text-transform: uppercase;
    margin: 0 0 0.5rem;
}

.section__title {
    font-size: 1.75rem;
    margin: 0 0 1rem;
    letter-spacing: 0.04em;
}

.section__lead {
    color: var(--color-text-muted);
    margin: 0;
}

.section__more {
    text-align: center;
    margin-top: var(--space-lg);
}

/* --------------------------------------------------------------------------
   4. ヘッダー / ナビゲーション
   -------------------------------------------------------------------------- */
.site-header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: box-shadow var(--duration) var(--ease);
}

.site-header.is-scrolled {
    box-shadow: var(--shadow-sm);
}

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

.site-header__brand {
    flex-shrink: 0;
}

/* ロゴ画像（SVG）表示 */
.site-header__logo {
    display: inline-block;
    line-height: 0;
}

.site-header__logo-img {
    display: block;
    width: auto;
    height: 44px;
    max-width: 240px;
}

/* カスタムロゴ（管理画面でアップロードした画像）の表示調整 */
.custom-logo-link {
    display: inline-block;
    line-height: 0;
}

.custom-logo {
    display: block;
    width: auto;
    height: 44px;
    max-width: 240px;
}

.site-header__title {
    display: flex;
    flex-direction: column;
    color: var(--color-primary);
    line-height: 1.2;
}

.site-header__title-main {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.04em;
}

.site-header__title-sub {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* ハンバーガーボタン */
.site-header__toggle {
    width: 40px;
    height: 40px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    z-index: 1100;
}

.site-header__toggle-bar {
    display: block;
    width: 26px;
    height: 2px;
    background-color: var(--color-primary);
    transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* ナビ（モバイル：ドロワー） */
.site-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 360px;
    height: 100vh;
    height: 100dvh;
    background-color: var(--color-primary);
    color: #fff;
    transform: translateX(100%);
    transition: transform var(--duration) var(--ease);
    padding: calc(var(--header-height) + 1rem) 2rem 2rem;
    overflow-y: auto;
    z-index: 1050;
}

.site-nav.is-open {
    transform: translateX(0);
}

.site-nav__list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.site-nav__list a {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 500;
    display: block;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-nav__list a:hover {
    color: var(--color-accent);
}

.site-nav__list .site-nav__cta,
.site-nav__list .menu-item-cta a {
    display: inline-block;
    background: var(--color-accent);
    color: #fff !important;
    padding: 0.6rem 1.5rem !important;
    border-radius: var(--radius-md);
    border: none !important;
    text-align: center;
    margin-top: 1rem;
}

/* オーバーレイ */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration) var(--ease), visibility var(--duration) var(--ease);
    z-index: 1040;
}

.nav-overlay.is-active {
    opacity: 1;
    visibility: visible;
}

/* スクロールロック */
body.is-nav-open {
    overflow: hidden;
}

/* --------------------------------------------------------------------------
   5. ボタン
   -------------------------------------------------------------------------- */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    text-align: center;
    transition: transform var(--duration) var(--ease), background-color var(--duration) var(--ease), color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
    cursor: pointer;
    border: 1px solid transparent;
    line-height: 1.5;
}

.button:hover,
.button:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.button--primary {
    background-color: var(--color-accent);
    color: #fff;
}

.button--primary:hover,
.button--primary:focus {
    background-color: var(--color-accent-dark);
    color: #fff;
}

.button--outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.button--outline:hover,
.button--outline:focus {
    background-color: var(--color-primary);
    color: #fff;
}

.button--ghost {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

.button--ghost:hover,
.button--ghost:focus {
    background-color: #fff;
    color: var(--color-primary);
}

.button--lg {
    padding: 1rem 2.5rem;
    font-size: 1rem;
}

/* --------------------------------------------------------------------------
   6. ヒーロー（トップ）
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    overflow: hidden;
    background-color: var(--color-primary);
    color: #fff;
    padding: var(--space-2xl) 0;
    isolation: isolate;
}

/* Heroの背景イメージ（SVG） */
.hero__bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center bottom;
    z-index: -2;
    display: block;
    pointer-events: none;
}

/* Heroのコントラスト用オーバーレイ（テキスト可読性確保） */
.hero__overlay {
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(ellipse at center, rgba(5, 13, 26, 0.15) 0%, rgba(5, 13, 26, 0.55) 80%),
        linear-gradient(180deg, rgba(5, 13, 26, 0.4) 0%, rgba(5, 13, 26, 0.1) 40%, rgba(5, 13, 26, 0.55) 100%);
    pointer-events: none;
}

.hero__inner {
    position: relative;
    text-align: center;
}

.hero__eyebrow {
    font-family: var(--font-en);
    letter-spacing: 0.3em;
    color: var(--color-accent);
    font-size: 0.875rem;
    text-transform: uppercase;
    margin: 0 0 1.5rem;
}

.hero__title {
    color: #fff;
    font-size: 2rem;
    line-height: 1.3;
    margin: 0 0 1.5rem;
    letter-spacing: 0.04em;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.45);
}

.hero__lead {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.92);
    margin: 0 0 var(--space-lg);
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.35);
}

.hero__actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

/* --------------------------------------------------------------------------
   7. カードグリッド（サービス）
   -------------------------------------------------------------------------- */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
    border: 1px solid var(--color-border);
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.15), rgba(74, 144, 226, 0.05));
    color: var(--color-accent);
    margin-bottom: 1.25rem;
}

.card__title {
    font-size: 1.25rem;
    margin: 0 0 0.75rem;
}

.card__text {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* --------------------------------------------------------------------------
   8. About セクション
   -------------------------------------------------------------------------- */
.section--about__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.section--about__visual {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
    background-color: #0d2244;
}

.section--about__visual-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 旧プレースホルダー（visual-block / ::before）は使用しないが、
   既存マークアップが残った際の保険として透明化 */
.section--about__visual::before,
.section--about__visual-block {
    display: none;
}

/* --------------------------------------------------------------------------
   10. News（お知らせ）
   -------------------------------------------------------------------------- */
.news-list {
    border-top: 1px solid var(--color-border);
}

.news-item {
    border-bottom: 1px solid var(--color-border);
}

.news-item__link {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.25rem 1rem;
    padding: 1.25rem 0.5rem;
    color: var(--color-text);
}

.news-item__link:hover {
    background-color: var(--color-bg-alt);
    color: var(--color-accent);
}

.news-item__date {
    font-family: var(--font-en);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.news-item__category {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--color-accent);
    padding: 2px 8px;
    border: 1px solid var(--color-accent);
    border-radius: 999px;
    width: fit-content;
}

.news-item__title {
    grid-column: 1 / -1;
    font-size: 1rem;
    margin: 0.25rem 0 0;
    font-weight: 500;
    color: inherit;
}

.news-empty {
    text-align: center;
    color: var(--color-text-muted);
    padding: 2rem 0;
}

/* --------------------------------------------------------------------------
   11. CTAセクション
   -------------------------------------------------------------------------- */
.cta {
    background:
        linear-gradient(135deg, var(--color-primary), #11233e);
    color: #fff;
    padding: var(--space-2xl) 0;
    text-align: center;
}

.cta__inner {
    max-width: 720px;
    margin: 0 auto;
}

.cta__title {
    color: #fff;
    font-size: 1.6rem;
    margin: 0 0 1rem;
    line-height: 1.5;
}

.cta__text {
    color: rgba(255, 255, 255, 0.85);
    margin: 0 0 var(--space-lg);
}

/* --------------------------------------------------------------------------
   12. ページヒーロー（下層ページ）
   -------------------------------------------------------------------------- */
.page-hero {
    background:
        linear-gradient(135deg, var(--color-primary), #11233e);
    color: #fff;
    padding: var(--space-xl) 0 var(--space-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 80% 30%, rgba(74, 144, 226, 0.3), transparent 50%);
    pointer-events: none;
}

.page-hero__eyebrow {
    font-family: var(--font-en);
    letter-spacing: 0.3em;
    color: var(--color-accent);
    font-size: 0.8rem;
    margin: 0 0 0.75rem;
    text-transform: uppercase;
    position: relative;
}

.page-hero__title {
    color: #fff;
    font-size: 1.8rem;
    margin: 0;
    position: relative;
    letter-spacing: 0.04em;
}

.page-hero__lead {
    color: rgba(255, 255, 255, 0.85);
    margin: 1rem 0 0;
    position: relative;
}

/* --------------------------------------------------------------------------
   13. サービスページ
   -------------------------------------------------------------------------- */
.service-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.service-item {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 2rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.service-item__num {
    font-family: var(--font-en);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.service-item__title {
    font-size: 1.4rem;
    margin: 0 0 0.75rem;
}

.service-item__text {
    color: var(--color-text-muted);
    margin: 0 0 1rem;
}

.service-item__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-item__tags li {
    padding: 0.25rem 0.75rem;
    background: var(--color-bg-alt);
    color: var(--color-text);
    border-radius: 999px;
    font-size: 0.8rem;
}

/* フロー */
.section--flow {
    background-color: var(--color-bg-alt);
}

.flow-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    counter-reset: step;
}

.flow-item {
    padding: 1.5rem;
    background: #fff;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.flow-item__step {
    font-family: var(--font-en);
    font-size: 0.8rem;
    color: var(--color-accent);
    letter-spacing: 0.2em;
}

.flow-item__title {
    font-size: 1.15rem;
    margin: 0.5rem 0 0.5rem;
}

.flow-item p {
    color: var(--color-text-muted);
    margin: 0;
}

/* フィルター（実績一覧） */
.filter-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: var(--space-lg);
}

.filter-list__btn {
    display: inline-block;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-size: 0.85rem;
}

.filter-list__btn:hover {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.filter-list__btn.is-active {
    background-color: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   14. 会社概要ページ
   -------------------------------------------------------------------------- */
.company-intro {
    margin-bottom: var(--space-xl);
    text-align: center;
}

.company-intro__title {
    font-size: 1.4rem;
    margin: 0 0 1.5rem;
}

.company-table {
    margin-bottom: var(--space-xl);
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
}

.info-table th,
.info-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
}

.info-table th {
    background-color: var(--color-bg-alt);
    width: 30%;
    font-weight: 500;
    color: var(--color-primary);
}

.company-access__map {
    margin-top: 1rem;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.company-access__map-placeholder {
    width: 100%;
    height: 100%;
    background: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   15. お問合せフォーム
   -------------------------------------------------------------------------- */
.contact-form {
    background: #fff;
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    position: relative;
}

/* honeypot：画面上は完全に非表示、ボットには取得可能 */
.form-honeypot {
    position: absolute !important;
    left: -10000px !important;
    top: auto !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    visibility: hidden;
}

.form-row {
    margin-bottom: 1.5rem;
}

.form-row--submit {
    text-align: center;
    margin-top: 2rem;
    margin-bottom: 0;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.form-required {
    display: inline-block;
    background-color: var(--color-error);
    color: #fff;
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
    color: var(--color-text);
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.15);
}

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

.form-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.form-message {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.form-message--success {
    background-color: #e6f7ed;
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.form-message--error {
    background-color: #fdeceb;
    color: var(--color-error);
    border: 1px solid var(--color-error);
}

.contact-info {
    margin-top: 2.5rem;
    text-align: center;
    color: var(--color-text-muted);
}

.contact-info a {
    color: var(--color-primary);
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   16. ブログ・投稿リスト
   -------------------------------------------------------------------------- */
.post-list {
    display: grid;
    gap: 1.5rem;
}

.post-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.post-card__link {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
    color: inherit;
}

.post-card__thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.post-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.post-card__body {
    padding: 1.25rem 1.5rem 1.5rem;
}

.post-card__date {
    font-family: var(--font-en);
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.post-card__title {
    font-size: 1.15rem;
    margin: 0.5rem 0;
}

.post-card__excerpt {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

/* レイアウト（メイン + サイドバー） */
.layout-with-sidebar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

.widget {
    background: #fff;
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.widget__title {
    font-size: 1rem;
    margin: 0 0 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-accent);
}

.widget ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

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

.widget a:hover {
    color: var(--color-accent);
}

/* --------------------------------------------------------------------------
   17. 個別記事
   -------------------------------------------------------------------------- */
.entry__thumb {
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 2rem;
}

.entry__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}

.entry__category {
    padding: 2px 12px;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: 999px;
}

.entry__content {
    font-size: 1rem;
    line-height: 1.9;
}

.entry__content h2,
.entry__content h3 {
    margin: 2.5rem 0 1rem;
}

.entry__content h2 {
    font-size: 1.4rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--color-accent);
}

.entry__content h3 {
    font-size: 1.2rem;
    padding-left: 0.75rem;
    border-left: 4px solid var(--color-accent);
}

.entry__content p {
    margin: 0 0 1.5em;
}

.entry__content a {
    text-decoration: underline;
}

.entry__content img {
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
}

.entry__content blockquote {
    margin: 1.5rem 0;
    padding: 1rem 1.5rem;
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
}

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

.post-nav {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin: 3rem 0;
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.post-nav__item a {
    color: var(--color-text);
    font-weight: 500;
}

.post-nav__item--next {
    text-align: right;
}

/* --------------------------------------------------------------------------
   18. ページネーション
   -------------------------------------------------------------------------- */
.pagination,
.nav-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 3rem;
}

.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: 0.9rem;
}

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

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

/* --------------------------------------------------------------------------
   19. 検索フォーム
   -------------------------------------------------------------------------- */
.search-form {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.search-form__input {
    flex: 1;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.search-form__submit {
    padding: 0.6rem 1.25rem;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-md);
    cursor: pointer;
}

.search-form__submit:hover {
    background: var(--color-accent);
}

.search-block {
    margin-top: 2.5rem;
}

.search-block__title {
    font-size: 1.1rem;
    margin: 0 0 1rem;
}

/* --------------------------------------------------------------------------
   20. フッター
   -------------------------------------------------------------------------- */
.site-footer {
    background-color: var(--color-primary);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--space-xl) 0 2rem;
    font-size: 0.9rem;
}

.site-footer__widgets {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: var(--space-lg);
}

.site-footer h1,
.site-footer h2,
.site-footer h3,
.footer-widget__title {
    color: #fff;
    font-size: 1rem;
    margin: 0 0 1rem;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.8);
}

.site-footer a:hover {
    color: var(--color-accent);
}

.footer-widget__list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.site-footer__nav {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    margin-top: 1rem;
}

.site-footer__nav-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 2rem;
}

.site-footer__copyright {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
    margin: 1.5rem 0 0;
    font-family: var(--font-en);
    letter-spacing: 0.05em;
}

/* トップへ戻るボタン */
.back-to-top {
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    width: 44px;
    height: 44px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration) var(--ease), visibility var(--duration) var(--ease), transform var(--duration) var(--ease);
    z-index: 100;
}

.back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-accent);
    transform: translateY(-4px);
}

/* --------------------------------------------------------------------------
   21. アニメーション（reveal）
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    * {
        animation-duration: 0.001ms !important;
        transition-duration: 0.001ms !important;
    }
}

/* --------------------------------------------------------------------------
   22. レスポンシブ（768px以上）
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
    body {
        font-size: 16px;
    }

    .is-pc {
        display: inline;
    }

    .is-sp {
        display: none;
    }

    .container {
        padding: 0 2rem;
    }

    .section {
        padding: var(--space-2xl) 0;
    }

    .section__title {
        font-size: 2.25rem;
    }

    /* PCサイズでのロゴ拡大 */
    .site-header__logo-img,
    .custom-logo {
        height: 52px;
        max-width: 300px;
    }

    .hero__title {
        font-size: 3rem;
    }

    .hero__lead {
        font-size: 1.125rem;
    }

    .hero__actions {
        flex-direction: row;
        justify-content: center;
    }

    /* ナビ：PC */
    .site-header__toggle {
        display: none;
    }

    .site-nav {
        position: static;
        width: auto;
        max-width: none;
        height: auto;
        background: transparent;
        color: var(--color-primary);
        transform: none;
        padding: 0;
        overflow: visible;
    }

    .site-nav__list {
        flex-direction: row;
        align-items: center;
        gap: 1.75rem;
    }

    .site-nav__list a {
        color: var(--color-primary);
        font-size: 0.95rem;
        padding: 0;
        border-bottom: none;
        position: relative;
    }

    .site-nav__list a::after {
        content: "";
        position: absolute;
        left: 0;
        right: 0;
        bottom: -6px;
        height: 2px;
        background: var(--color-accent);
        transform: scaleX(0);
        transform-origin: right;
        transition: transform var(--duration) var(--ease);
    }

    .site-nav__list a:hover::after {
        transform: scaleX(1);
        transform-origin: left;
    }

    .site-nav__list .site-nav__cta,
    .site-nav__list .menu-item-cta a {
        padding: 0.55rem 1.25rem !important;
    }

    .site-nav__list .site-nav__cta::after,
    .site-nav__list .menu-item-cta a::after {
        display: none;
    }

    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .section--about__inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xl);
    }

    .news-item__link {
        grid-template-columns: 130px 120px 1fr;
        align-items: center;
        gap: 1rem;
        padding: 1.5rem 1rem;
    }

    .news-item__title {
        grid-column: auto;
        margin: 0;
        font-size: 1.05rem;
    }

    .service-item {
        grid-template-columns: 100px 1fr;
        gap: 2rem;
        padding: 2.5rem;
    }

    .flow-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .post-list {
        grid-template-columns: repeat(2, 1fr);
    }

    .post-nav {
        grid-template-columns: 1fr 1fr;
    }

    .page-hero {
        padding: var(--space-2xl) 0 var(--space-xl);
    }

    .page-hero__title {
        font-size: 2.5rem;
    }

    .site-footer__widgets {
        grid-template-columns: repeat(3, 1fr);
        gap: 3rem;
    }

    .cta__title {
        font-size: 2rem;
    }
}

/* --------------------------------------------------------------------------
   23. レスポンシブ（1024px以上）
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .flow-list {
        grid-template-columns: repeat(3, 1fr);
    }

    .post-list {
        grid-template-columns: repeat(3, 1fr);
    }

    .layout-with-sidebar {
        grid-template-columns: 1fr 300px;
    }

    .hero__title {
        font-size: 3.5rem;
    }

    .section__title {
        font-size: 2.5rem;
    }

    .back-to-top {
        right: 2rem;
        bottom: 2rem;
    }
}