/*
Theme Name: Seiwa Law Office Theme
Theme URI: https://example.com/seiwa
Author: SEIWA Developer
Author URI: https://example.com
Description: 誠和総合法律事務所 - 士業・B2B特化型の完全オリジナルWordPressテーマ。信頼感と専門性を視覚で証明する高品質デザイン。
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: seiwa
Tags: law-office, corporate, business, custom-post-type, one-page
*/

/* =============================================
   誠和総合法律事務所 - メインスタイルシート
   デザインレギュレーション準拠
   ============================================= */

/* --- CSS変数（デザイントークン） --- */
:root {
    /* カラー */
    --color-main: #1A2B48;
    --color-accent: #C5A059;
    --color-accent-light: rgba(197, 160, 89, 0.15);
    --color-base: #FFFFFF;
    --color-bg-alt: #F8F9FA;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #E5E7EB;

    /* フォント */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;

    /* 余白 */
    --section-padding: 120px 0;
    --container-width: 1200px;

    /* シャドウ */
    --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);

    /* 角丸 */
    --radius: 2px;

    /* トランジション */
    --transition: 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* --- リセット＆ベース --- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    line-height: 1.8;
    letter-spacing: 0.05em;
    background-color: var(--color-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

ul {
    list-style: none;
}

address {
    font-style: normal;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

/* --- フェードインアニメーション --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.1, 0.25, 1),
        transform 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

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

/* =============================================
   ① ヘッダー
   ============================================= */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color 0.4s ease, box-shadow 0.4s ease;
    background-color: transparent;
}

.site-header.is-scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
    transition: height var(--transition);
}

.site-header.is-scrolled .header-inner {
    height: 70px;
}

/* ロゴ */
.logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo a {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-jp {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-base);
    transition: color var(--transition);
}

.logo-en {
    font-family: var(--font-sans);
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition);
}

.site-header.is-scrolled .logo-jp {
    color: var(--color-main);
}

.site-header.is-scrolled .logo-en {
    color: var(--color-text-light);
}

/* ナビゲーション */
.nav-list {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-list a {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.85);
    position: relative;
    padding: 4px 0;
    transition: color var(--transition);
}

.site-header.is-scrolled .nav-list a {
    color: var(--color-text);
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: width var(--transition);
}

.nav-list a:hover::after {
    width: 100%;
}

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

.nav-contact {
    border: 1px solid var(--color-accent) !important;
    padding: 8px 20px !important;
    border-radius: var(--radius);
    color: var(--color-accent) !important;
    transition: background-color var(--transition), color var(--transition) !important;
}

.nav-contact:hover {
    background-color: var(--color-accent);
    color: var(--color-base) !important;
}

.nav-contact::after {
    display: none !important;
}

/* ハンバーガーメニュー（SP用） */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 1.5px;
    background-color: var(--color-base);
    position: absolute;
    left: 0;
    transition: all var(--transition);
}

.site-header.is-scrolled .hamburger span {
    background-color: var(--color-main);
}

.hamburger span:nth-child(1) {
    top: 0;
}

.hamburger span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger span:nth-child(3) {
    bottom: 0;
}

.hamburger.is-active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    background-color: var(--color-base);
}

.hamburger.is-active span:nth-child(2) {
    opacity: 0;
}

.hamburger.is-active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
    background-color: var(--color-base);
}

/* SP電話ボタン */
.sp-tel-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    color: var(--color-base);
    transition: color var(--transition);
}

.site-header.is-scrolled .sp-tel-btn {
    color: var(--color-main);
}

/* モバイルメニューオーバーレイ */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(26, 43, 72, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    z-index: 999;
}

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

.mobile-nav ul {
    text-align: center;
}

.mobile-nav ul li {
    margin-bottom: 24px;
}

.mobile-nav ul li a {
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--color-base);
    letter-spacing: 0.15em;
    transition: color var(--transition);
}

.mobile-nav ul li a:hover {
    color: var(--color-accent);
}

.mobile-menu-info {
    margin-top: 48px;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.mobile-tel {
    font-size: 18px;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.mobile-hours {
    font-size: 13px;
}

/* =============================================
   ② メインビジュアル（ヒーロー）
   ============================================= */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    animation: kenburns 20s ease-in-out infinite alternate;
}

@keyframes kenburns {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.08);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(26, 43, 72, 0.85) 0%,
            rgba(26, 43, 72, 0.5) 50%,
            rgba(26, 43, 72, 0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 80px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-catchcopy {
    flex-shrink: 0;
}

.catchcopy-text {
    font-family: var(--font-serif);
    font-size: 42px;
    font-weight: 600;
    letter-spacing: 0.1em;
    line-height: 1.8;
    color: var(--color-base);
    writing-mode: vertical-rl;
    text-orientation: mixed;
    height: 480px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.hero-sub {
    max-width: 440px;
}

.hero-description {
    font-size: 15px;
    line-height: 2.2;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    letter-spacing: 0.08em;
}

.hero-cta {
    display: inline-block;
    padding: 16px 40px;
    background-color: var(--color-accent);
    color: var(--color-base);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.15em;
    border-radius: var(--radius);
    transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.hero-cta:hover {
    background-color: #b8923e;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(197, 160, 89, 0.4);
}

/* スクロールインジケーター */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.hero-scroll-indicator span {
    font-size: 10px;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.5);
    writing-mode: vertical-rl;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: top;
    }

    50% {
        opacity: 1;
        transform: scaleY(1);
        transform-origin: top;
    }

    51% {
        transform-origin: bottom;
    }

    100% {
        opacity: 0;
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* =============================================
   セクション共通
   ============================================= */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    font-size: 12px;
    font-weight: 400;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-main);
    margin-bottom: 20px;
}

.section-line {
    width: 40px;
    height: 1px;
    background-color: var(--color-accent);
    margin: 0 auto;
}

.section-more {
    text-align: center;
    margin-top: 48px;
}

.btn-more {
    display: inline-block;
    padding: 14px 48px;
    border: 1px solid var(--color-main);
    color: var(--color-main);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
    border-radius: var(--radius);
    transition: background-color var(--transition), color var(--transition), transform var(--transition);
}

.btn-more:hover {
    background-color: var(--color-main);
    color: var(--color-base);
    transform: translateY(-2px);
}

/* =============================================
   ③ 私たちの強み
   ============================================= */
.strengths {
    padding: var(--section-padding);
    background-color: var(--color-base);
}

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

.strength-card {
    position: relative;
    padding: 48px 36px;
    background-color: var(--color-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition), box-shadow var(--transition);
    text-align: center;
}

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

.strength-number {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 300;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    line-height: 1;
    display: block;
    margin-bottom: 24px;
    opacity: 0.6;
}

.strength-icon {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
}

.strength-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-main);
    margin-bottom: 16px;
    line-height: 1.6;
}

.strength-desc {
    font-size: 14px;
    line-height: 1.9;
    color: var(--color-text-light);
}

/* =============================================
   サービスセクション
   ============================================= */
.services {
    padding: var(--section-padding);
    background-color: var(--color-bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.service-item {
    padding: 40px;
    background-color: var(--color-base);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition), box-shadow var(--transition);
}

.service-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.service-icon-wrap {
    width: 56px;
    height: 56px;
    border: 1px solid var(--color-accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    background-color: var(--color-accent-light);
}

.service-item h3 {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--color-main);
    margin-bottom: 12px;
}

.service-item p {
    font-size: 14px;
    line-height: 1.9;
    color: var(--color-text-light);
}

/* =============================================
   ④ 解決事例
   ============================================= */
.cases {
    padding: var(--section-padding);
    background-color: var(--color-base);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.case-card {
    padding: 36px;
    background-color: var(--color-base);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition);
}

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

.case-category {
    display: inline-block;
    padding: 4px 14px;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    border-radius: var(--radius);
    margin-bottom: 16px;
    align-self: flex-start;
}

.case-title {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-main);
    line-height: 1.6;
    margin-bottom: 20px;
}

.case-detail {
    flex-grow: 1;
}

.case-block {
    margin-bottom: 16px;
}

.case-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-main);
    padding: 2px 10px;
    border-left: 2px solid var(--color-accent);
    margin-bottom: 6px;
}

.case-block p {
    font-size: 13px;
    line-height: 1.8;
    color: var(--color-text-light);
}

.case-link {
    display: inline-block;
    margin-top: 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-accent);
    letter-spacing: 0.05em;
    transition: letter-spacing var(--transition);
}

.case-link:hover {
    letter-spacing: 0.15em;
}

/* =============================================
   ⑤ 専門家紹介
   ============================================= */
.professionals {
    padding: var(--section-padding);
    background-color: var(--color-bg-alt);
}

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

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

.member-photo-wrap {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    margin-bottom: 24px;
    aspect-ratio: 3 / 4;
}

.member-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.6s ease, transform 0.6s ease;
}

.member-card:hover .member-photo {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.member-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 32px 24px;
    background: linear-gradient(to top, rgba(26, 43, 72, 0.9), transparent);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.member-card:hover .member-overlay {
    opacity: 1;
    transform: translateY(0);
}

.member-bio {
    font-size: 13px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    text-align: left;
}

.member-position {
    font-size: 12px;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 8px;
}

.member-name {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-main);
    margin-bottom: 4px;
}

.member-name-en {
    font-size: 12px;
    font-weight: 300;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
}

/* =============================================
   ⑥ お知らせ
   ============================================= */
.news {
    padding: var(--section-padding);
    background-color: var(--color-base);
}

.news-list {
    max-width: 900px;
    margin: 0 auto;
}

.news-item {
    display: flex;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
    gap: 20px;
    transition: background-color var(--transition);
}

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

.news-item:hover {
    background-color: var(--color-bg-alt);
    padding-left: 12px;
    padding-right: 12px;
}

.news-date {
    font-size: 13px;
    color: var(--color-text-light);
    letter-spacing: 0.08em;
    white-space: nowrap;
    flex-shrink: 0;
}

.news-category {
    font-size: 11px;
    font-weight: 500;
    padding: 2px 12px;
    border-radius: var(--radius);
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: 0.05em;
}

/* カテゴリ色 */
.cat-info {
    background-color: var(--color-accent-light);
    color: var(--color-accent);
}

.cat-seminar {
    background-color: rgba(26, 43, 72, 0.08);
    color: var(--color-main);
}

.cat-media {
    background-color: rgba(76, 130, 100, 0.1);
    color: #4C8264;
}

.cat-column {
    background-color: rgba(139, 92, 160, 0.1);
    color: #8B5CA0;
}

.news-title-link {
    font-size: 14px;
    color: var(--color-text);
    letter-spacing: 0.03em;
    transition: color var(--transition);
}

.news-title-link:hover {
    color: var(--color-accent);
}

/* =============================================
   お問い合わせ CTA
   ============================================= */
.contact-cta {
    padding: var(--section-padding);
    background-color: var(--color-bg-alt);
}

.cta-content {
    text-align: center;
    padding: 80px 40px;
    background-color: var(--color-base);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
}

.cta-title {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-main);
    margin-bottom: 20px;
}

.cta-desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 2;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 20px;
}

.btn-primary {
    display: inline-block;
    padding: 16px 48px;
    background-color: var(--color-accent);
    color: var(--color-base);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.15em;
    border-radius: var(--radius);
    transition: background-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover {
    background-color: #b8923e;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(197, 160, 89, 0.4);
}

.btn-tel {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border: 1px solid var(--color-main);
    color: var(--color-main);
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.08em;
    border-radius: var(--radius);
    transition: background-color var(--transition), color var(--transition);
}

.btn-tel:hover {
    background-color: var(--color-main);
    color: var(--color-base);
}

.cta-hours {
    font-size: 13px;
    color: var(--color-text-light);
}

/* =============================================
   ⑦ フッター
   ============================================= */
.site-footer {
    background-color: var(--color-main);
    padding: 80px 0 0;
    color: rgba(255, 255, 255, 0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 24px;
}

.footer-logo-jp {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.15em;
    color: var(--color-base);
}

.footer-logo-en {
    font-size: 10px;
    font-weight: 300;
    letter-spacing: 0.2em;
    color: var(--color-accent);
}

.footer-address {
    font-size: 13px;
    line-height: 2;
    color: rgba(255, 255, 255, 0.6);
}

.footer-nav-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-accent);
    letter-spacing: 0.15em;
    margin-bottom: 20px;
}

.footer-nav ul li {
    margin-bottom: 12px;
}

.footer-nav ul li a {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
    letter-spacing: 0.05em;
}

.footer-nav ul li a:hover {
    color: var(--color-accent);
}

.footer-info p {
    font-size: 13px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.05em;
}

/* =============================================
   シングル・アーカイブページ
   ============================================= */
.page-header {
    background-color: var(--color-main);
    padding: 140px 0 60px;
    text-align: center;
}

.page-header .section-title {
    color: var(--color-base);
}

.page-header .section-label {
    color: var(--color-accent);
}

.page-content {
    padding: 80px 0;
}

.page-content .container {
    max-width: 800px;
}

/* 解決事例シングル */
.case-single-meta {
    display: flex;
    gap: 16px;
    align-items: center;
    margin-bottom: 32px;
}

.case-single-content .case-block {
    margin-bottom: 32px;
    padding: 32px;
    background-color: var(--color-bg-alt);
    border-radius: var(--radius);
}

.case-single-content .case-label {
    font-size: 14px;
    margin-bottom: 12px;
}

.case-single-content .case-block p {
    font-size: 15px;
    line-height: 2;
}

/* アーカイブ */
.archive-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

/* =============================================
   レスポンシブ（768px以下）
   ============================================= */
@media (max-width: 768px) {

    /* ヘッダー */
    .global-nav {
        display: none;
    }

    .hamburger,
    .sp-tel-btn {
        display: flex;
    }

    .header-inner {
        padding: 0 20px;
        height: 60px;
    }

    .site-header.is-scrolled .header-inner {
        height: 60px;
    }

    .logo-jp {
        font-size: 14px;
    }

    .logo-en {
        font-size: 9px;
    }

    /* コンテナ */
    .container {
        padding: 0 20px;
    }

    /* ヒーロー */
    .hero {
        min-height: 100vh;
    }

    .hero-content {
        flex-direction: column;
        padding: 0 24px;
        justify-content: center;
        gap: 40px;
    }

    .catchcopy-text {
        writing-mode: horizontal-tb;
        font-size: 28px;
        height: auto;
        line-height: 1.8;
    }

    .hero-sub {
        max-width: 100%;
    }

    .hero-description {
        font-size: 14px;
    }

    .hero-cta {
        width: 100%;
        text-align: center;
        padding: 18px 40px;
    }

    /* セクション共通 */
    .section-title {
        font-size: 24px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    /* 強み */
    .strengths {
        padding: 80px 0;
    }

    .strengths-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .strength-card {
        padding: 36px 24px;
    }

    /* サービス */
    .services {
        padding: 80px 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .service-item {
        padding: 28px 24px;
    }

    /* 解決事例 */
    .cases {
        padding: 80px 0;
    }

    .cases-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .case-card {
        padding: 28px 24px;
    }

    /* 専門家紹介 */
    .professionals {
        padding: 80px 0;
    }

    .professionals-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        max-width: 400px;
        margin: 0 auto;
    }

    /* お知らせ */
    .news {
        padding: 80px 0;
    }

    .news-item {
        flex-wrap: wrap;
        gap: 8px 16px;
        padding: 16px 0;
    }

    .news-title-link {
        width: 100%;
        font-size: 13px;
    }

    /* CTA */
    .contact-cta {
        padding: 80px 0;
    }

    .cta-content {
        padding: 48px 24px;
    }

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

    .cta-buttons {
        flex-direction: column;
    }

    .btn-primary {
        width: 100%;
        text-align: center;
    }

    .btn-tel {
        width: 100%;
        justify-content: center;
    }

    /* フッター */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    /* ページヘッダー */
    .page-header {
        padding: 100px 0 40px;
    }

    /* アーカイブ */
    .archive-grid {
        grid-template-columns: 1fr;
    }
}

/* =============================================
   大画面対応（1400px以上）
   ============================================= */
@media (min-width: 1400px) {
    .container {
        max-width: 1300px;
    }

    .catchcopy-text {
        font-size: 48px;
        height: 540px;
    }
}