/*
Theme Name: TechLaw Partners
Theme URI: https://example.com/techlaw
Author: TechLaw Dev
Author URI: https://example.com
Description: 士業・B2B特化型 IT/ベンチャー向けWordPressテーマ。コバルトブルー＋ネオンミントのカラースキームで「知性・先進性」を表現。カスタム投稿タイプ「ナレッジ」対応。
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: techlaw
Tags: business, professional, custom-colors, custom-logo, custom-menu
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
*/

/* ===================================================
   TechLaw Design System
   士業・B2B特化型 IT/ベンチャー向けサイト
   =================================================== */

/* ========================
   1. CSS カスタムプロパティ
   ======================== */
:root {
    /* カラーパレット */
    --color-main: #0052CC;
    --color-main-dark: #003D99;
    --color-main-light: #1A6AE0;
    --color-accent: #00FFC2;
    --color-accent-dark: #00D9A4;
    --color-base: #FFFFFF;
    --color-bg-alt: #F0F2F5;
    --color-border: #E1E4E8;
    --color-text: #1A1A2E;
    --color-text-light: #586069;
    --color-text-inverse: #FFFFFF;

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

    /* スペーシング */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* セクション境界 */
    --border-thin: 1px solid var(--color-border);

    /* 角丸 */
    --radius-sm: 4px;
    --radius-none: 0px;

    /* トランジション */
    --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-smooth: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

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

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-base);
    line-height: 1.8;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--color-main-light);
}

ul,
ol {
    list-style: none;
}

/* ========================
   3. ユーティリティ
   ======================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section {
    padding: var(--space-3xl) 0;
}

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

.section-label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-main);
    margin-bottom: var(--space-xs);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-lg);
    line-height: 1.3;
}

.section-title span {
    color: var(--color-main);
}

/* アニメーション共通 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ========================
   4. ヘッダー
   ======================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: var(--border-thin);
    transition: background var(--transition-fast), box-shadow var(--transition-fast);
}

.header.is-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
}

.header__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-main);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header__logo-icon {
    width: 32px;
    height: 32px;
    background: var(--color-main);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header__logo-icon svg {
    width: 18px;
    height: 18px;
    fill: var(--color-base);
}

.header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.header__nav-link {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.04em;
    position: relative;
    padding: 0.25rem 0;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-smooth);
}

.header__nav-link:hover {
    color: var(--color-main);
}

.header__nav-link:hover::after {
    width: 100%;
}

.header__cta {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-inverse);
    background: var(--color-main);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.header__cta:hover {
    background: var(--color-main-dark);
    color: var(--color-text-inverse);
    transform: translateY(-1px);
}

/* ハンバーガーメニュー */
.header__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.header__hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

.header__hamburger.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.header__hamburger.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ========================
   5. ヒーローエリア
   ======================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero__grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 82, 204, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 82, 204, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 0;
}

.hero__gradient {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 80%;
    background: radial-gradient(ellipse at center, rgba(0, 255, 194, 0.08) 0%, transparent 70%);
    z-index: 0;
}

.hero__inner {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    width: 100%;
}

.hero__content {
    max-width: 560px;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-main);
    background: rgba(0, 82, 204, 0.06);
    border: 1px solid rgba(0, 82, 204, 0.15);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    margin-bottom: var(--space-md);
}

.hero__badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

.hero__title {
    font-family: var(--font-body);
    font-size: 3rem;
    font-weight: 900;
    line-height: 1.25;
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.hero__title-accent {
    color: var(--color-main);
    position: relative;
}

.hero__title-accent::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 0;
    width: 100%;
    height: 8px;
    background: rgba(0, 255, 194, 0.3);
    z-index: -1;
}

.hero__description {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.9;
    margin-bottom: var(--space-lg);
}

.hero__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.btn {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn--primary {
    background: var(--color-main);
    color: var(--color-text-inverse);
}

.btn--primary:hover {
    background: var(--color-main-dark);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 82, 204, 0.3);
}

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

.btn--outline:hover {
    border-color: var(--color-main);
    background: rgba(0, 82, 204, 0.04);
    transform: translateY(-2px);
}

.btn__arrow {
    transition: transform var(--transition-fast);
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

.hero__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__image-wrapper {
    position: relative;
    width: 100%;
    max-width: 520px;
}

.hero__image {
    width: 100%;
    border-radius: var(--radius-sm);
}

.hero__image-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.hero__deco-line {
    position: absolute;
    background: var(--color-accent);
}

.hero__deco-line--top {
    top: -8px;
    right: -8px;
    width: 60px;
    height: 2px;
}

.hero__deco-line--right {
    top: -8px;
    right: -8px;
    width: 2px;
    height: 60px;
}

.hero__deco-line--bottom {
    bottom: -8px;
    left: -8px;
    width: 60px;
    height: 2px;
}

.hero__deco-line--left {
    bottom: -8px;
    left: -8px;
    width: 2px;
    height: 60px;
}

.hero__stats {
    position: relative;
    z-index: 1;
    margin-top: var(--space-xl);
    display: flex;
    gap: var(--space-xl);
}

.hero__stat {
    text-align: left;
}

.hero__stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-main);
    line-height: 1;
}

.hero__stat-number .accent {
    color: var(--color-accent);
}

.hero__stat-label {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 0.25rem;
}

/* ========================
   6. サービスカテゴリ
   ======================== */
.services {
    border-top: var(--border-thin);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--color-border);
    border: var(--border-thin);
}

.service-card {
    position: relative;
    background: var(--color-base);
    padding: var(--space-xl);
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-smooth);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-main);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform var(--transition-smooth);
    z-index: 0;
}

.service-card:hover::before {
    transform: scaleY(1);
}

.service-card__icon {
    position: relative;
    z-index: 1;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-smooth);
}

.service-card__icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-main);
    fill: none;
    stroke-width: 1.5;
    transition: stroke var(--transition-smooth);
}

.service-card:hover .service-card__icon {
    border-color: rgba(255, 255, 255, 0.3);
}

.service-card:hover .service-card__icon svg {
    stroke: var(--color-accent);
}

.service-card__content {
    position: relative;
    z-index: 1;
}

.service-card__number {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: var(--space-xs);
    transition: color var(--transition-smooth);
}

.service-card:hover .service-card__number {
    color: var(--color-accent);
}

.service-card__title {
    font-family: var(--font-body);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    transition: color var(--transition-smooth);
}

.service-card:hover .service-card__title {
    color: var(--color-text-inverse);
}

.service-card__desc {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.7;
    transition: color var(--transition-smooth);
}

.service-card:hover .service-card__desc {
    color: rgba(255, 255, 255, 0.75);
}

.service-card__arrow {
    position: absolute;
    bottom: var(--space-md);
    right: var(--space-md);
    z-index: 1;
    opacity: 0;
    transform: translate(-8px, 8px);
    transition: all var(--transition-smooth);
}

.service-card__arrow svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-accent);
    fill: none;
    stroke-width: 2;
}

.service-card:hover .service-card__arrow {
    opacity: 1;
    transform: translate(0, 0);
}

/* ========================
   7. タイムライン
   ======================== */
.timeline {
    border-top: var(--border-thin);
}

.timeline__wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline__line {
    position: absolute;
    left: 24px;
    top: 0;
    width: 2px;
    height: 100%;
    background: var(--color-border);
}

.timeline__line-progress {
    position: absolute;
    left: 24px;
    top: 0;
    width: 2px;
    height: 0;
    background: linear-gradient(180deg, var(--color-main), var(--color-accent));
    transition: height 0.1s linear;
    z-index: 1;
}

.timeline__item {
    position: relative;
    z-index: 2;
    padding-left: 72px;
    padding-bottom: var(--space-xl);
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.6s ease;
}

.timeline__item.is-visible {
    opacity: 1;
    transform: translateX(0);
}

.timeline__item:last-child {
    padding-bottom: 0;
}

.timeline__marker {
    position: absolute;
    left: 12px;
    top: 4px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--color-base);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: all var(--transition-smooth);
}

.timeline__item.is-visible .timeline__marker {
    border-color: var(--color-main);
    background: var(--color-main);
}

.timeline__marker-number {
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-text-light);
    transition: color var(--transition-smooth);
}

.timeline__item.is-visible .timeline__marker-number {
    color: var(--color-text-inverse);
}

.timeline__step-label {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-main);
    margin-bottom: 0.25rem;
}

.timeline__step-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.timeline__step-desc {
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ========================
   8. インサイト
   ======================== */
.insights {
    border-top: var(--border-thin);
}

.insights__header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
}

.insights__tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.insights__tag {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.4rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--transition-fast);
    background: var(--color-base);
    color: var(--color-text-light);
}

.insights__tag:hover,
.insights__tag.is-active {
    background: var(--color-main);
    border-color: var(--color-main);
    color: var(--color-text-inverse);
}

.insights__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.insight-card {
    border: var(--border-thin);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: all var(--transition-smooth);
    background: var(--color-base);
}

.insight-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.insight-card__image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.insight-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-smooth);
}

.insight-card:hover .insight-card__image img {
    transform: scale(1.05);
}

.insight-card__body {
    padding: var(--space-md);
}

.insight-card__tags {
    display: flex;
    gap: 0.5rem;
    margin-bottom: var(--space-xs);
}

.insight-card__tag {
    font-family: var(--font-heading);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-main);
    background: rgba(0, 82, 204, 0.06);
    padding: 0.2rem 0.6rem;
    border-radius: 2px;
}

.insight-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.insight-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.78rem;
    color: var(--color-text-light);
}

.insight-card__date {
    font-family: var(--font-heading);
}

/* ========================
   9. CTA
   ======================== */
.cta {
    position: relative;
    background: var(--color-main);
    overflow: hidden;
}

.cta__grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
}

.cta__inner {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta__title {
    font-family: var(--font-body);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-sm);
}

.cta__description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: var(--space-lg);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.btn--accent {
    background: var(--color-accent);
    color: var(--color-main-dark);
    font-weight: 700;
}

.btn--accent:hover {
    background: var(--color-accent-dark);
    color: var(--color-main-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 255, 194, 0.3);
}

/* ========================
   10. フッター
   ======================== */
.footer {
    background: var(--color-text);
    color: rgba(255, 255, 255, 0.7);
    border-top: var(--border-thin);
}

.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    padding: var(--space-2xl) 0;
}

.footer__brand-name {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-base);
    margin-bottom: var(--space-sm);
}

.footer__brand-desc {
    font-size: 0.85rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
}

.footer__heading {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-base);
    margin-bottom: var(--space-sm);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer__link {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-md) 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer__copyright {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer__social {
    display: flex;
    gap: var(--space-sm);
}

.footer__social-link {
    width: 36px;
    height: 36px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.footer__social-link svg {
    width: 16px;
    height: 16px;
    fill: rgba(255, 255, 255, 0.5);
    transition: fill var(--transition-fast);
}

.footer__social-link:hover {
    border-color: var(--color-accent);
    background: rgba(0, 255, 194, 0.1);
}

.footer__social-link:hover svg {
    fill: var(--color-accent);
}

/* ========================
   11. WordPress固有スタイル
   ======================== */

/* 投稿ページ */
.single-content {
    max-width: 800px;
    margin: var(--space-3xl) auto;
    padding: var(--header-height) var(--space-md) 0;
}

.single-content h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.single-content__meta {
    display: flex;
    gap: var(--space-sm);
    color: var(--color-text-light);
    font-size: 0.85rem;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: var(--border-thin);
}

.single-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: var(--space-xl) 0 var(--space-sm);
    padding-left: var(--space-sm);
    border-left: 3px solid var(--color-main);
}

.single-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: var(--space-lg) 0 var(--space-xs);
}

.single-content p {
    margin-bottom: var(--space-md);
}

.single-content img {
    border-radius: var(--radius-sm);
    margin: var(--space-md) 0;
}

/* アーカイブページ */
.archive-header {
    padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-xl);
    border-bottom: var(--border-thin);
}

.archive-header__title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    padding: var(--space-xl) 0;
}

/* ページネーション */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: var(--space-lg) 0 var(--space-2xl);
}

.pagination .page-numbers {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 500;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: var(--border-thin);
    border-radius: var(--radius-sm);
    color: var(--color-text-light);
    transition: all var(--transition-fast);
}

.pagination .page-numbers.current,
.pagination .page-numbers:hover {
    background: var(--color-main);
    border-color: var(--color-main);
    color: var(--color-text-inverse);
}

/* 固定ページ */
.page-content {
    max-width: 800px;
    margin: 0 auto;
    padding: calc(var(--header-height) + var(--space-2xl)) var(--space-md) var(--space-2xl);
}

.page-content h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--space-lg);
}

/* ========================
   12. レスポンシブ
   ======================== */
@media (max-width: 1024px) {
    .hero__inner {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        text-align: center;
    }

    .hero__content {
        max-width: 100%;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__stats {
        justify-content: center;
    }

    .hero__visual {
        order: -1;
    }

    .hero__image-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }

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

    .service-card {
        aspect-ratio: auto;
        min-height: 240px;
    }

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

    .footer__inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-lg);
    }

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

@media (max-width: 640px) {
    :root {
        --space-3xl: 4rem;
        --space-2xl: 3rem;
    }

    .hero__title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .header__nav {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: var(--color-base);
        flex-direction: column;
        padding: var(--space-lg);
        border-bottom: var(--border-thin);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    }

    .header__nav.is-open {
        display: flex;
    }

    .header__hamburger {
        display: flex;
    }

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

    .service-card {
        aspect-ratio: auto;
        min-height: auto;
        padding: var(--space-lg);
    }

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

    .hero__actions {
        flex-direction: column;
    }

    .hero__stats {
        flex-direction: column;
        gap: var(--space-sm);
    }

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

    .footer__bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }

    .timeline__item {
        padding-left: 56px;
    }

    .cta__title {
        font-size: 1.5rem;
    }

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