/*!
Theme Name: ryusei
Theme URI: http://underscores.me/
Author: Underscores.me
Author URI: http://underscores.me/
Description: Description
Version: 1.0.0
Tested up to: 5.4
Requires PHP: 5.6
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: ryusei
Tags: custom-background, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready

This theme, like WordPress, is licensed under the GPL.
Use it to make something cool, have fun, and share what you've learned.

ryusei is based on Underscores https://underscores.me/, (C) 2012-2020 Automattic, Inc.
Underscores is distributed under the terms of the GNU GPL v2 or later.
*/

/* リセット & ベーススタイル */
* {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

:root {
	--color-black: #0a0a0a;
	--color-white: #ffffff;
	--color-gray-100: #f5f5f5;
	--color-gray-200: #e5e5e5;
	--color-gray-300: #d4d4d4;
	--color-gray-400: #a3a3a3;
	--color-gray-500: #737373;
	--color-gray-600: #525252;
	--color-gray-700: #404040;
	--color-gray-800: #262626;
	--color-gray-900: #171717;
	--color-accent: #3b82f6;
	--color-accent-dark: #2563eb;
	--font-sans: 'Inter', 'Noto Sans JP', sans-serif;
	--transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
	font-family: var(--font-sans);
	background-color: var(--color-white);
	color: var(--color-black);
	line-height: 1.6;
	overflow-x: hidden;
}

a {
	color: inherit;
}

.container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 24px;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.screen-reader-text:focus {
	position: static;
	width: auto;
	height: auto;
	margin: 0;
	clip: auto;
	white-space: normal;
	background: var(--color-black);
	color: var(--color-white);
	padding: 8px 16px;
	border-radius: 4px;
}

/* ナビゲーション */
.nav {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	background-color: rgba(255, 255, 255, 0.95);
	backdrop-filter: blur(10px);
	border-bottom: 1px solid var(--color-gray-200);
	z-index: 1000;
	transition: var(--transition);
}

.nav.is-open {
	box-shadow: 0 18px 48px rgba(15, 23, 42, 0.12);
}

.nav-content {
	display: flex;
	align-items: center;
	gap: 32px;
	min-height: 3.5rem;
	padding: 0.75rem 0;
}

.nav-left {
	display: flex;
	align-items: center;
	gap: 20px;
}

.logo {
	font-size: 20px;
	font-weight: 700;
	color: var(--color-black);
	text-decoration: none;
	letter-spacing: -0.02em;
	display: inline-block;
	padding: 10px ;
}

.logo-image {
	height: auto;
	max-width: 120px;
	max-height: 48px;
	width: auto;
	display: block;
	object-fit: contain;
}

.nav-branding {
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.nav-tagline {
	font-size: 12px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-gray-500);
}

.nav-status {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-size: 13px;
	font-weight: 500;
	color: var(--color-gray-500);
}

.nav-status-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background-color: #22c55e;
	box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.18);
	animation: navPulse 2.4s ease-out infinite;
}

.nav-right {
	margin-left: auto;
	display: flex;
	align-items: center;
	gap: 32px;
}

.nav-links {
	display: flex;
	align-items: center;
	list-style: none;
	gap: 32px;
	margin: 0;
	padding: 0;
}

.nav-item {
	list-style: none;
}

.nav-link {
	color: var(--color-gray-600);
	text-decoration: none;
	font-size: 14px;
	font-weight: 500;
	transition: var(--transition);
	position: relative;
	padding: 10px 0;
	display: inline-flex;
	align-items: center;
	gap: 8px;
}

.nav-link::after {
	content: '';
	position: absolute;
	bottom: -4px;
	left: 0;
	width: 0;
	height: 2px;
	background-color: var(--color-accent);
	transition: var(--transition);
}

.nav-link:hover {
	color: var(--color-black);
}

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

.nav-item-active .nav-link,
.nav-link-active {
	color: var(--color-black);
}

.nav-item-active .nav-link::after,
.nav-link-active::after {
	width: 100%;
}

.nav-item-cta .nav-link {
	padding: 10px 22px;
	border-radius: 999px;
	background: linear-gradient(135deg, var(--color-black), var(--color-gray-900));
	color: var(--color-white);
	box-shadow: 0 12px 30px rgba(15, 23, 42, 0.18);
	border: 1px solid var(--color-black);
}

.nav-item-cta .nav-link::after {
	display: none;
}

.nav-item-cta .nav-link:hover {
	background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent));
	border-color: var(--color-accent);
	box-shadow: 0 14px 34px rgba(59, 130, 246, 0.4);
	color: var(--color-white);
	transform: translateY(-1px);
}

.mobile-menu-btn {
	display: none;
	flex-direction: column;
	gap: 6px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 8px;
}

.mobile-menu-btn span {
	width: 24px;
	height: 2px;
	background-color: var(--color-black);
	transition: var(--transition);
}

/* ヒーローセクション */
.hero {
	padding: 160px 0 120px;
	min-height: 100vh;
	display: flex;
	align-items: center;
}

.hero-content {
	max-width: 800px;
}

.hero-label {
	display: inline-block;
	padding: 8px 16px;
	background-color: var(--color-gray-100);
	border: 1px solid var(--color-gray-200);
	border-radius: 100px;
	font-size: 13px;
	font-weight: 500;
	letter-spacing: 0.02em;
	margin-bottom: 32px;
	animation: fadeInUp 0.8s ease-out;
}

.hero-title {
	font-size: clamp(48px, 8vw, 72px);
	font-weight: 700;
	line-height: 1.1;
	letter-spacing: -0.03em;
	margin-bottom: 24px;
	animation: fadeInUp 0.8s ease-out 0.1s backwards;
}

.gradient-text {
	background: linear-gradient(135deg, var(--color-black) 0%, var(--color-accent) 100%);
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.hero-description {
	font-size: 20px;
	color: var(--color-gray-600);
	margin-bottom: 48px;
	animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-info {
	display: flex;
	flex-direction: column;
	gap: 16px;
	margin-bottom: 48px;
	padding: 32px;
	background-color: var(--color-gray-100);
	border-radius: 16px;
	animation: fadeInUp 0.8s ease-out 0.3s backwards;
}

.info-item {
	display: flex;
	gap: 24px;
}

.info-label {
	font-size: 13px;
	font-weight: 600;
	color: var(--color-gray-500);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	min-width: 120px;
}

.info-value {
	font-size: 15px;
	color: var(--color-black);
	font-weight: 500;
}

.cta-button {
	display: inline-block;
	padding: 16px 40px;
	background-color: var(--color-black);
	color: var(--color-white);
	text-decoration: none;
	font-weight: 600;
	font-size: 15px;
	border-radius: 8px;
	transition: var(--transition);
	animation: fadeInUp 0.8s ease-out 0.4s backwards;
}

.cta-button:hover {
	background-color: var(--color-accent);
	transform: translateY(-2px);
	box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
}

/* ミッションセクション */
.mission {
	padding: 120px 0;
	background-color: var(--color-black);
	color: var(--color-white);
}

.mission-content {
	max-width: 800px;
	margin: 0 auto;
	text-align: center;
}

.section-title {
	font-size: 14px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	margin-bottom: 32px;
	color: var(--color-gray-400);
}

.mission .section-title {
	color: var(--color-gray-500);
}

.mission-text {
	font-size: 20px;
	line-height: 1.8;
	margin-bottom: 32px;
	color: var(--color-gray-300);
}

.mission-quote {
	font-size: 18px;
	line-height: 1.8;
	color: var(--color-gray-400);
	font-style: italic;
}

/* プロジェクトセクション */
.projects {
	padding: 120px 0;
}

.projects-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
	gap: 32px;
	margin-top: 64px;
}

.project-card {
	padding: 40px;
	border: 1px solid var(--color-gray-200);
	border-radius: 16px;
	transition: var(--transition);
	background-color: var(--color-white);
}

.project-card:hover {
	border-color: var(--color-accent);
	transform: translateY(-4px);
	box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.project-number {
	font-size: 14px;
	font-weight: 700;
	color: var(--color-accent);
	margin-bottom: 16px;
}

.project-title {
	font-size: 24px;
	font-weight: 700;
	margin-bottom: 16px;
	letter-spacing: -0.02em;
}

.project-description {
	font-size: 15px;
	line-height: 1.7;
	color: var(--color-gray-600);
	margin-bottom: 24px;
}

.project-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.tag {
	padding: 6px 12px;
	background-color: var(--color-gray-100);
	border-radius: 6px;
	font-size: 12px;
	font-weight: 500;
	color: var(--color-gray-700);
}

/* スキルセクション */
.skills {
	padding: 120px 0;
	background-color: var(--color-gray-100);
}

.skills-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
	gap: 48px;
	margin-top: 64px;
}

.skill-category-title {
	font-size: 18px;
	font-weight: 700;
	margin-bottom: 24px;
	letter-spacing: -0.01em;
}

.skill-list {
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.skill-list li {
	font-size: 15px;
	color: var(--color-gray-600);
	padding-left: 20px;
	position: relative;
}

.skill-list li::before {
	content: '→';
	position: absolute;
	left: 0;
	color: var(--color-accent);
	font-weight: 700;
}

.section-eyebrow {
	font-size: 12px;
	font-weight: 600;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--color-gray-500);
	margin-bottom: 8px;
	display: inline-flex;
	align-items: center;
	gap: 12px;
}

.section-eyebrow::before {
	content: '';
	width: 28px;
	height: 1px;
	background-color: var(--color-gray-300);
}

/* ブログセクション */
.blog {
	padding: 0;
}

.blog-topics-header {
	display: flex;
	align-items: flex-end;
	gap: 32px;
	justify-content: space-between;
}

.topics-description {
	max-width: 420px;
	font-size: 15px;
	color: var(--color-gray-600);
	line-height: 1.7;
}

.blog-categories {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 32px;
	margin-top: 64px;
}

.blog-category {
	padding: 40px 32px;
	background-color: var(--color-white);
	border: 1px solid var(--color-gray-200);
	border-radius: 16px;
	text-align: left;
	transition: var(--transition);
	display: flex;
	flex-direction: column;
	gap: 12px;
	text-decoration: none;
	color: inherit;
	position: relative;
	overflow: hidden;
}

.blog-category::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), transparent);
	opacity: 0;
	transition: var(--transition);
	z-index: 0;
}

.blog-category:hover {
	border-color: var(--color-accent);
	transform: translateY(-4px);
	box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.blog-category:hover::after {
	opacity: 1;
}

.blog-category h3 {
	font-size: 18px;
	font-weight: 700;
	margin-bottom: 8px;
	position: relative;
	z-index: 1;
}

.blog-category p {
	font-size: 14px;
	color: var(--color-gray-600);
	position: relative;
	z-index: 1;
	line-height: 1.7;
}

.category-sigil {
	width: 56px;
	height: 56px;
	border-radius: 18px;
	background: linear-gradient(135deg, rgba(59, 130, 246, 0.18), rgba(37, 99, 235, 0.32));
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-weight: 700;
	font-size: 18px;
	color: var(--color-black);
	letter-spacing: 0.08em;
	position: relative;
	z-index: 1;
}

.category-icon {
	font-size: 48px;
	margin-bottom: 16px;
}

.category-cta {
	margin-top: auto;
	font-size: 13px;
	font-weight: 600;
	color: var(--color-accent);
	position: relative;
	z-index: 1;
}

.recent-description {
	font-size: 15px;
	color: var(--color-gray-600);
	line-height: 1.7;
}

.blog-featured-card {
	display: block;
	border-radius: 28px;
	overflow: hidden;
	border: 1px solid var(--color-gray-200);
	background-color: var(--color-white);
	margin-bottom: 40px;
	box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

.blog-featured-link {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 0;
	text-decoration: none;
	color: inherit;
}

.blog-featured-media {
	min-height: 320px;
	background-size: cover;
	background-position: center;
	background-color: var(--color-gray-200);
	background-image: linear-gradient(135deg, var(--color-gray-200), var(--color-gray-100));
	position: relative;
}

.blog-featured-media::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.35));
	opacity: 0;
	transition: var(--transition);
}

.blog-featured-link:hover .blog-featured-media::after {
	opacity: 1;
}

.blog-featured-content {
	padding: 48px;
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.blog-post-meta {
	display: flex;
	align-items: center;
	gap: 12px;
	flex-wrap: wrap;
	font-size: 13px;
	color: var(--color-gray-500);
}

.post-category-pill {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 6px 12px;
	border-radius: 999px;
	background-color: var(--color-gray-100);
	font-size: 12px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--color-gray-700);
}

.blog-post-reading {
	font-size: 13px;
	color: var(--color-gray-500);
}

/* お問い合わせセクション */
.contact {
	padding: 120px 0;
	background-color: var(--color-gray-900);
	color: var(--color-white);
}

.contact-content {
	max-width: 600px;
	margin: 0 auto;
}

.contact .section-title {
	color: var(--color-gray-500);
}

.contact-description {
	font-size: 16px;
	color: var(--color-gray-400);
	margin-bottom: 48px;
	text-align: center;
}

.contact-form {
	display: flex;
	flex-direction: column;
	gap: 24px;
	margin-bottom: 48px;
}

.form-group {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.form-group label {
	font-size: 14px;
	font-weight: 600;
	color: var(--color-gray-400);
}

.form-group input,
.form-group textarea {
	padding: 16px;
	background-color: var(--color-gray-800);
	border: 1px solid var(--color-gray-700);
	border-radius: 8px;
	color: var(--color-white);
	font-family: var(--font-sans);
	font-size: 15px;
	transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
	outline: none;
	border-color: var(--color-accent);
}

.submit-button {
	padding: 16px 40px;
	background-color: var(--color-accent);
	color: var(--color-white);
	border: none;
	border-radius: 8px;
	font-weight: 600;
	font-size: 15px;
	cursor: pointer;
	transition: var(--transition);
}

.submit-button:hover {
	background-color: var(--color-accent-dark);
	transform: translateY(-2px);
}

.social-links {
	display: flex;
	justify-content: center;
	gap: 32px;
	flex-wrap: wrap;
}

.social-link {
	color: var(--color-gray-400);
	text-decoration: none;
	font-size: 14px;
	font-weight: 500;
	transition: var(--transition);
}

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

/* フッター */
.footer {
	padding: 40px 0;
	background-color: var(--color-black);
	color: var(--color-gray-500);
	text-align: center;
}

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

/* アニメーション */
@keyframes fadeInUp {
	from {
		opacity: 0;
		transform: translateY(30px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

@keyframes navPulse {
	0% {
		box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.32);
	}
	70% {
		box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
	}
	100% {
		box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
	}
}

/* レスポンシブ */
@media (max-width: 768px) {
	.nav-content {
		height: 3.5rem;
	}

	.nav-left {
		gap: 12px;
	}

	.nav-branding,
	.nav-status {
		display: none;
	}

	.nav-links {
		position: fixed;
		top: 64px;
		left: 0;
		right: 0;
		background-color: var(--color-white);
		flex-direction: column;
		align-items: flex-start;
		padding: 96px 24px 40px;
		gap: 20px;
		border-bottom: 1px solid var(--color-gray-200);
		transform: translateY(-100%);
		opacity: 0;
		visibility: hidden;
		transition: var(--transition);
	}

	.nav-links.active {
		transform: translateY(0);
		opacity: 1;
		visibility: visible;
		box-shadow: 0 32px 60px rgba(15, 23, 42, 0.12);
	}

	.nav-item-cta {
		width: 100%;
		margin-top: 8px;
	}

	.nav-item-cta .nav-link {
		width: 100%;
		justify-content: center;
		padding: 16px 24px;
	}

	.mobile-menu-btn {
		display: flex;
	}

	.mobile-menu-btn.active span:nth-child(1) {
		transform: rotate(45deg) translate(8px, 8px);
	}

	.mobile-menu-btn.active span:nth-child(2) {
		opacity: 0;
	}

	.mobile-menu-btn.active span:nth-child(3) {
		transform: rotate(-45deg) translate(7px, -7px);
	}

	.nav.is-open {
		box-shadow: 0 12px 32px rgba(15, 23, 42, 0.2);
	}

	.hero {
		padding: 120px 0 80px;
	}

	.hero-info {
		padding: 24px;
	}

	.info-item {
		flex-direction: column;
		gap: 8px;
	}

	.info-label {
		min-width: auto;
	}

	.projects-grid,
	.skills-grid,
	.blog-categories {
		grid-template-columns: 1fr;
	}

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

/* Static Pages */
.about-page,
.page-projects,
.page-skills,
.page-blog,
.page-contact {
	padding-top: 72px;
}

.page-intro {
	padding: 160px 0 80px;
}

.intro-content {
	max-width: 820px;
}

.intro-title {
	font-size: clamp(48px, 6vw, 64px);
	line-height: 1.1;
	letter-spacing: -0.03em;
	margin-bottom: 24px;
}

.intro-description {
	font-size: 18px;
	color: var(--color-gray-600);
	line-height: 1.8;
}

/* About Page */
.about-hero {
	padding: 180px 0 120px;
}

.about-hero-content {
	max-width: 820px;
}

.hero-eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	font-size: 13px;
	font-weight: 600;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--color-gray-500);
	margin-bottom: 24px;
}

.hero-eyebrow::before {
	content: '';
	width: 32px;
	height: 1px;
	background-color: var(--color-gray-300);
}

.about-hero-title {
	font-size: clamp(48px, 6vw, 72px);
	line-height: 1.1;
	letter-spacing: -0.03em;
	margin-bottom: 24px;
}

.about-hero-description {
	font-size: 18px;
	color: var(--color-gray-600);
	margin-bottom: 40px;
}

.about-hero-meta {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 24px;
	padding: 32px;
	border: 1px solid var(--color-gray-200);
	border-radius: 16px;
	background-color: var(--color-gray-100);
}

.meta-item {
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.meta-label {
	font-size: 12px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-gray-500);
}

.meta-value {
	font-size: 15px;
	font-weight: 600;
}

.about-story {
	padding: 120px 0;
}

.story-grid {
	display: grid;
	grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
	gap: 48px;
	align-items: start;
}

.story-card {
	padding: 48px;
	border-radius: 24px;
	border: 1px solid var(--color-gray-200);
	background-color: var(--color-white);
	box-shadow: 0 16px 40px rgba(15, 23, 42, 0.05);
	display: flex;
	flex-direction: column;
	gap: 24px;
}

.section-heading {
	font-size: 14px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.12em;
	color: var(--color-gray-500);
	margin-bottom: 16px;
}

.story-card p {
	font-size: 16px;
	color: var(--color-gray-600);
	line-height: 1.8;
}

.story-highlights {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 24px;
}

.highlight-item {
	padding: 32px;
	border-radius: 20px;
	background-color: var(--color-gray-100);
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.highlight-figure {
	font-size: 32px;
	font-weight: 700;
	letter-spacing: -0.02em;
}

.highlight-label {
	font-size: 13px;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--color-gray-500);
}

.about-timeline {
	padding: 120px 0;
	background-color: var(--color-gray-100);
}

.timeline {
	position: relative;
	margin-top: 48px;
	padding-left: 24px;
}

.timeline::before {
	content: '';
	position: absolute;
	left: 12px;
	top: 0;
	bottom: 0;
	width: 2px;
	background: linear-gradient(180deg, var(--color-accent) 0%, var(--color-gray-300) 100%);
}

.timeline-item {
	position: relative;
	display: grid;
	grid-template-columns: 120px 1fr;
	gap: 32px;
	padding-bottom: 48px;
}

.timeline-item:last-child {
	padding-bottom: 0;
}

.timeline-marker {
	position: relative;
	font-size: 14px;
	font-weight: 600;
	text-transform: uppercase;
	color: var(--color-gray-500);
	letter-spacing: 0.08em;
}

.timeline-marker::before {
	content: '';
	position: absolute;
	left: -28px;
	top: 6px;
	width: 12px;
	height: 12px;
	border-radius: 50%;
	background-color: var(--color-accent);
	box-shadow: 0 0 0 6px rgba(59, 130, 246, 0.15);
}

.timeline-content h3 {
	font-size: 20px;
	font-weight: 700;
	margin-bottom: 12px;
	letter-spacing: -0.01em;
}

.timeline-content p {
	font-size: 15px;
	color: var(--color-gray-600);
	line-height: 1.7;
}

.about-values {
	padding: 120px 0;
}

.values-header {
	max-width: 720px;
	margin: 0 auto 48px;
	text-align: center;
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.values-header p {
	font-size: 16px;
	color: var(--color-gray-600);
}

.values-cards {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 24px;
}

.value-card {
	padding: 32px;
	border-radius: 20px;
	background-color: var(--color-gray-100);
	border: 1px solid var(--color-gray-200);
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.value-card h3 {
	font-size: 18px;
	font-weight: 700;
}

.value-card p {
	font-size: 15px;
	color: var(--color-gray-600);
	line-height: 1.6;
}

.skills-page {
	background-color: var(--color-gray-100);
}

.skills-experience {
	padding: 120px 0;
}

.experience-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 24px;
}

.experience-card {
	padding: 32px;
	border-radius: 20px;
	border: 1px solid var(--color-gray-200);
	background-color: var(--color-white);
	box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.experience-card h3 {
	font-size: 18px;
	font-weight: 700;
}

.experience-card p {
	font-size: 15px;
	color: var(--color-gray-600);
	line-height: 1.7;
}

.about-capabilities {
	padding: 120px 0;
	background-color: var(--color-gray-900);
	color: var(--color-white);
}

.about-capabilities .section-heading {
	color: var(--color-gray-500);
}

.capability-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 32px;
	margin-top: 48px;
}

.capability-card {
	padding: 32px;
	border-radius: 20px;
	background-color: rgba(255, 255, 255, 0.06);
	border: 1px solid rgba(255, 255, 255, 0.08);
}

.capability-card h3 {
	font-size: 20px;
	margin-bottom: 16px;
}

.capability-card ul {
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.capability-card li {
	font-size: 15px;
	color: var(--color-gray-300);
	padding-left: 20px;
	position: relative;
}

.capability-card li::before {
	content: '→';
	position: absolute;
	left: 0;
	color: var(--color-accent);
}

.about-media {
	padding: 120px 0;
}

.media-header {
	max-width: 640px;
	margin-bottom: 48px;
}

.media-header p {
	font-size: 16px;
	color: var(--color-gray-600);
	margin-top: 12px;
}

.media-list {
	display: flex;
	flex-direction: column;
	gap: 24px;
}

.media-item {
	display: flex;
	gap: 24px;
	padding: 32px;
	border: 1px solid var(--color-gray-200);
	border-radius: 16px;
	background-color: var(--color-white);
}

.media-label {
	min-width: 88px;
	font-size: 13px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-gray-500);
}

.media-item h3 {
	font-size: 18px;
	font-weight: 700;
	margin-bottom: 8px;
}

.media-item p {
	font-size: 15px;
	color: var(--color-gray-600);
	line-height: 1.6;
}

.blog-recent {
	padding: 120px 0;
	background-color: var(--color-gray-100);
}

.recent-header {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: 32px;
}

.recent-link {
	color: var(--color-black);
	font-weight: 600;
	text-decoration: none;
	font-size: 14px;
	transition: var(--transition);
}

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

.blog-list {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 24px;
}

.blog-list-detailed {
	grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.blog-post-card {
	background-color: var(--color-white);
	border: 1px solid var(--color-gray-200);
	border-radius: 16px;
	padding: 32px;
	transition: var(--transition);
	height: 100%;
}

.blog-post-card-compact {
	padding: 32px;
}

.blog-post-card:hover {
	border-color: var(--color-accent);
	transform: translateY(-4px);
	box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
}

.blog-post-link {
	text-decoration: none;
	color: inherit;
	display: flex;
	flex-direction: column;
	gap: 12px;
	height: 100%;
}

.blog-post-date {
	font-size: 12px;
	color: var(--color-gray-500);
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.blog-post-title {
	font-size: 20px;
	font-weight: 700;
	line-height: 1.5;
}

.blog-post-excerpt {
	font-size: 15px;
	color: var(--color-gray-600);
	line-height: 1.7;
	margin-bottom: auto;
}

.blog-post-footer {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	margin-top: 16px;
	font-size: 13px;
	color: var(--color-gray-500);
}

.blog-post-readmore {
	font-size: 14px;
	font-weight: 600;
	color: var(--color-accent);
	margin-top: 8px;
}

.blog-empty {
	font-size: 15px;
	color: var(--color-gray-600);
	text-align: center;
}

/* Blog Post Categories */
.blog-post-categories {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin-top: 4px;
}

.blog-post-category {
	font-size: 11px;
	padding: 4px 10px;
	background-color: var(--color-gray-100);
	color: var(--color-gray-700);
	border-radius: 4px;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

/* Blog Pagination */
.blog-pagination {
	margin-top: 64px;
	display: flex;
	justify-content: center;
	align-items: center;
	gap: 8px;
}

.blog-pagination .page-numbers {
	display: inline-block;
	padding: 12px 16px;
	color: var(--color-black);
	text-decoration: none;
	border: 1px solid var(--color-gray-200);
	border-radius: 8px;
	font-size: 14px;
	font-weight: 500;
	transition: var(--transition);
	min-width: 44px;
	text-align: center;
}

.blog-pagination .page-numbers:hover {
	border-color: var(--color-accent);
	background-color: var(--color-gray-50);
}

.blog-pagination .page-numbers.current {
	background-color: var(--color-black);
	color: var(--color-white);
	border-color: var(--color-black);
}

.blog-pagination .page-numbers.dots {
	border: none;
	cursor: default;
}

.blog-pagination .page-numbers.dots:hover {
	background-color: transparent;
}

.blog-pagination .prev,
.blog-pagination .next {
	font-weight: 600;
}

/* Archive specific styling */
.page-archive .blog-recent {
	padding-top: 80px;
}

@media (max-width: 768px) {
	.blog-pagination {
		flex-wrap: wrap;
	}

	.blog-pagination .page-numbers {
		padding: 10px 12px;
		min-width: 40px;
		font-size: 13px;
	}
}

.about-cta {
	padding: 120px 0 160px;
}

.cta-card {
	text-align: center;
	max-width: 720px;
	margin: 0 auto;
	padding: 64px;
	border-radius: 32px;
	background: linear-gradient(135deg, var(--color-black), var(--color-accent));
	color: var(--color-white);
	display: flex;
	flex-direction: column;
	gap: 16px;
}

.cta-card h2 {
	font-size: clamp(32px, 5vw, 44px);
	letter-spacing: -0.02em;
}

.cta-card p {
	font-size: 16px;
	color: rgba(255, 255, 255, 0.8);
	line-height: 1.7;
	margin-bottom: 16px;
}

.about-cta .cta-button {
	align-self: center;
	background-color: var(--color-white);
	color: var(--color-black);
}

.about-cta .cta-button:hover {
	background-color: var(--color-gray-100);
	color: var(--color-black);
	box-shadow: none;
	transform: translateY(-2px);
}

.contact-info-extra {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 24px;
	padding: 32px;
	border-radius: 16px;
	border: 1px solid var(--color-gray-800);
	background-color: var(--color-gray-800);
	margin-top: 32px;
}

.contact-info-extra h3 {
	font-size: 16px;
	font-weight: 700;
	margin-bottom: 8px;
	color: var(--color-white);
}

.contact-info-extra p {
	font-size: 14px;
	color: var(--color-gray-400);
	line-height: 1.6;
}

.contact-info-link {
	color: var(--color-white);
	text-decoration: none;
	font-weight: 600;
}

.contact-info-link:hover {
	color: var(--color-accent);
}

.contact-social-links {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.single-article {
	padding-top: 72px;
}

.article-hero {
	padding: 160px 0 64px;
	background-color: var(--color-white);
}

.article-meta-row {
	display: flex;
	align-items: center;
	gap: 12px;
	flex-wrap: wrap;
	margin-bottom: 16px;
}

.article-meta-pill {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 6px 14px;
	border-radius: 999px;
	background-color: var(--color-gray-900);
	color: var(--color-white);
	font-size: 12px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	text-decoration: none;
}

.article-meta-date {
	font-size: 13px;
	color: var(--color-gray-500);
	text-transform: uppercase;
	letter-spacing: 0.08em;
}

.article-title {
	font-size: clamp(40px, 6vw, 72px);
	line-height: 1.1;
	letter-spacing: -0.03em;
	margin-bottom: 24px;
}

.article-lede {
	font-size: 18px;
	color: var(--color-gray-600);
	line-height: 1.8;
	max-width: 820px;
}

.article-hero-stats {
	margin-top: 32px;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
	gap: 24px;
}

.article-hero-stats .label {
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--color-gray-500);
	display: block;
	margin-bottom: 6px;
}

.article-hero-stats .value {
	font-size: 16px;
	font-weight: 600;
	color: var(--color-gray-800);
}

.article-share {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.article-share-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 6px 14px;
	border-radius: 999px;
	border: 1px solid var(--color-gray-300);
	font-size: 13px;
	font-weight: 600;
	font-family: inherit;
	text-decoration: none;
	color: var(--color-gray-700);
	background-color: transparent;
	cursor: pointer;
	transition: var(--transition);
}

.article-share-link:hover {
	border-color: var(--color-accent);
	color: var(--color-accent);
}

.article-share-link:disabled {
	opacity: 0.6;
	cursor: not-allowed;
}

.article-share-copy {
	background-color: var(--color-gray-100);
}

.article-hero-media {
	margin: 0 auto;
	max-width: 1080px;
	border-radius: 32px;
	overflow: hidden;
	border: 1px solid var(--color-gray-200);
}

.article-hero-media img {
	width: 100%;
	height: auto;
	display: block;
}

.article-body {
	padding: 80px 0 160px;
	background-color: var(--color-gray-100);
}

.article-content {
	max-width: 820px;
	margin: 0 auto;
	font-size: 17px;
	line-height: 1.9;
	color: var(--color-gray-800);
}

.article-content h2,
.article-content h3,
.article-content h4 {
	margin-top: 56px;
	margin-bottom: 16px;
	line-height: 1.3;
	letter-spacing: -0.01em;
}

.article-content h2 {
	font-size: 32px;
}

.article-content h3 {
	font-size: 26px;
}

.article-content h4 {
	font-size: 20px;
}

.article-content p {
	margin-bottom: 24px;
}

.article-content ul,
.article-content ol {
	margin: 0 0 32px 24px;
	padding: 0;
}

.article-content blockquote {
	margin: 32px 0;
	padding: 24px 32px;
	border-left: 4px solid var(--color-accent);
	background-color: var(--color-white);
	border-radius: 12px;
	font-size: 18px;
	line-height: 1.7;
	color: var(--color-gray-700);
}

.article-content pre {
	background-color: var(--color-gray-900);
	color: var(--color-white);
	padding: 24px;
	border-radius: 16px;
	overflow-x: auto;
	margin-bottom: 32px;
}

.article-content img {
	max-width: 100%;
	border-radius: 20px;
	margin: 32px 0;
}

.article-footer-meta {
	margin: 64px auto 0;
	max-width: 820px;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 24px;
}

.article-meta-block {
	padding: 24px;
	border-radius: 16px;
	background-color: var(--color-white);
	border: 1px solid var(--color-gray-200);
}

.article-meta-block .label {
	display: block;
	font-size: 13px;
	font-weight: 600;
	color: var(--color-gray-500);
	letter-spacing: 0.08em;
	text-transform: uppercase;
	margin-bottom: 16px;
}

.article-meta-block ul {
	list-style: none;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.article-tags {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

.article-tags a {
	text-decoration: none;
	font-size: 13px;
	font-weight: 600;
	color: var(--color-gray-700);
	padding: 6px 12px;
	border-radius: 999px;
	background-color: var(--color-gray-100);
	transition: var(--transition);
}

.article-tags a:hover {
	background-color: var(--color-black);
	color: var(--color-white);
}

.article-pagination {
	max-width: 820px;
	margin: 72px auto 0;
}

.article-pagination .nav-links {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
	gap: 24px;
}

.article-pagination a {
	text-decoration: none;
	padding: 24px;
	border-radius: 18px;
	border: 1px solid var(--color-gray-200);
	background-color: var(--color-white);
	display: block;
}

.article-pagination .nav-subtitle {
	display: block;
	font-size: 12px;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--color-gray-500);
	margin-bottom: 8px;
}

.article-pagination .nav-title {
	font-size: 18px;
	line-height: 1.5;
	color: var(--color-black);
}

.article-comments {
	margin-top: 72px;
	max-width: 820px;
	margin-left: auto;
	margin-right: auto;
}

@media (max-width: 992px) {
	.story-grid {
		grid-template-columns: 1fr;
	}

	.story-card {
		padding: 40px;
	}

	.about-hero-meta {
		grid-template-columns: 1fr;
	}

	.timeline {
		padding-left: 0;
	}

	.timeline::before {
		left: 0;
	}

	.timeline-marker::before {
		left: -16px;
	}

	.timeline-item {
		grid-template-columns: 1fr;
		padding-left: 32px;
	}

	.media-item {
		flex-direction: column;
	}

	.media-label {
		min-width: auto;
	}

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

	.recent-header {
		flex-direction: column;
		gap: 12px;
		align-items: flex-start;
	}

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

	.blog-featured-link {
		grid-template-columns: 1fr;
	}

	.blog-featured-content {
		padding: 32px;
	}

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

	.article-title {
		font-size: 36px;
	}

	.article-content {
		font-size: 16px;
	}

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

	.article-pagination .nav-links {
		grid-template-columns: 1fr;
	}

	.blog-topics-header {
		flex-direction: column;
		align-items: flex-start;
	}

	.cta-card {
		padding: 48px 32px;
	}

	.contact-info-extra {
		grid-template-columns: 1fr;
	}
}

/* ==========================================================================
   Services Page Styles
   ========================================================================== */

.page-services .service-price {
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--color-accent);
	margin: 16px 0;
	letter-spacing: -0.02em;
}

.page-services .project-card {
	display: flex;
	flex-direction: column;
}

.page-services .project-title {
	margin-bottom: 8px;
	min-height: 2.8em;
}

.page-services .project-description {
	flex-grow: 1;
	margin-bottom: 20px;
}

.page-services .project-tags {
	margin-top: auto;
}

/* Service Card Link Styles */
.service-card-link {
	text-decoration: none;
	color: inherit;
	cursor: pointer;
	position: relative;
	transition: all var(--transition);
}

.service-card-link:hover {
	text-decoration: none;
	color: inherit;
}

.service-card-link:hover .project-title {
	color: var(--color-accent);
}

.service-card-link:hover .service-price {
	transform: scale(1.05);
}

.service-card-link::after {
	content: '→';
	position: absolute;
	right: 32px;
	bottom: 32px;
	font-size: 1.5rem;
	color: var(--color-accent);
	opacity: 0;
	transform: translateX(-8px);
	transition: all var(--transition);
}

.service-card-link:hover::after {
	opacity: 1;
	transform: translateX(0);
}

@media (max-width: 768px) {
	.page-services .service-price {
		font-size: 1.25rem;
	}

	.page-services .project-title {
		min-height: auto;
	}

	.service-card-link::after {
		right: 24px;
		bottom: 24px;
		font-size: 1.25rem;
	}
}

/* ========================================
   個別記事ページ（single.php）スタイル
   ======================================== */

/* メインコンテナ */
.single-post-main {
	padding-top: 72px;
}

/* 読書進捗バー */
.reading-progress-bar {
	position: fixed;
	top: 72px;
	left: 0;
	width: 0%;
	height: 3px;
	background: linear-gradient(90deg, var(--color-accent), var(--color-accent-dark));
	z-index: 999;
	transition: width 0.1s ease-out;
}

/* ヒーロー画像 */
.post-hero {
	position: relative;
	width: 100%;
	height: 60vh;
	min-height: 400px;
	max-height: 700px;
	overflow: hidden;
	margin-bottom: 48px;
}

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

/* 記事コンテナ */
.article-container {
	max-width: 1400px;
	margin: 0 auto;
	padding: 0 24px;
}

/* 記事ヘッダー */
.article-header {
	max-width: 720px;
	margin: 0 auto 48px;
}

.article-title {
	font-size: clamp(32px, 5vw, 48px);
	font-weight: 700;
	line-height: 1.2;
	letter-spacing: -0.03em;
	margin-bottom: 24px;
	color: var(--color-black);
}

/* メタ情報 */
.post-meta {
	display: flex;
	align-items: center;
	gap: 16px;
	flex-wrap: wrap;
	margin-bottom: 32px;
	padding-bottom: 32px;
	border-bottom: 1px solid var(--color-gray-200);
	font-size: 14px;
	color: var(--color-gray-500);
}

.post-author {
	display: flex;
	align-items: center;
	gap: 12px;
}

.post-author-avatar {
	width: 48px;
	height: 48px;
	border-radius: 50%;
}

.post-author-name a {
	font-weight: 600;
	color: var(--color-black);
	text-decoration: none;
}

.post-author-name a:hover {
	color: var(--color-accent);
}

.post-date,
.post-reading-time {
	display: flex;
	align-items: center;
	gap: 6px;
}

.post-date svg,
.post-reading-time svg {
	opacity: 0.7;
}

.meta-separator {
	width: 4px;
	height: 4px;
	border-radius: 50%;
	background-color: var(--color-gray-300);
}

/* カテゴリーピル */
.post-categories {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin-bottom: 16px;
}

.category-pill {
	display: inline-block;
	padding: 6px 16px;
	border-radius: 100px;
	font-size: 13px;
	font-weight: 500;
	text-decoration: none;
	background-color: var(--color-gray-200);
	color: var(--color-gray-700);
	transition: var(--transition);
}

.category-pill-primary {
	background-color: var(--color-accent);
	color: var(--color-white);
}

.category-pill:hover {
	background-color: var(--color-gray-300);
	transform: translateY(-2px);
}

.category-pill-primary:hover {
	background-color: var(--color-accent-dark);
}

/* 記事コンテンツ */
.article-content-wrapper {
	position: relative;
	display: flex;
	justify-content: center;
}

.article-content {
	max-width: 720px;
	width: 100%;
}

/* タイポグラフィ */
.article-content p {
	font-size: 18px;
	line-height: 1.8;
	margin-bottom: 24px;
	color: var(--color-gray-700);
}

.article-content h2 {
	font-size: 28px;
	font-weight: 700;
	line-height: 1.3;
	margin: 48px 0 24px;
	color: var(--color-black);
	scroll-margin-top: 100px;
}

.article-content h3 {
	font-size: 22px;
	font-weight: 600;
	line-height: 1.4;
	margin: 36px 0 16px;
	color: var(--color-black);
	scroll-margin-top: 100px;
}

.article-content a {
	color: var(--color-accent);
	text-decoration: underline;
	transition: var(--transition);
}

.article-content a:hover {
	color: var(--color-accent-dark);
}

/* リスト */
.article-content ul,
.article-content ol {
	margin: 24px 0;
	padding-left: 28px;
}

.article-content li {
	margin-bottom: 12px;
	line-height: 1.8;
	font-size: 18px;
	color: var(--color-gray-700);
}

/* コードブロック */
.article-content pre {
	background-color: var(--color-gray-900);
	color: var(--color-gray-100);
	padding: 24px;
	border-radius: 12px;
	overflow-x: auto;
	margin: 32px 0;
	font-size: 14px;
	line-height: 1.6;
}

.article-content code {
	background-color: var(--color-gray-100);
	padding: 2px 8px;
	border-radius: 4px;
	font-size: 0.9em;
	font-family: 'Monaco', 'Courier New', monospace;
}

.article-content pre code {
	background: none;
	padding: 0;
}

/* 引用 */
.article-content blockquote {
	border-left: 4px solid var(--color-accent);
	padding-left: 24px;
	margin: 32px 0;
	font-style: italic;
	color: var(--color-gray-600);
	font-size: 20px;
}

/* 画像 */
.article-content img {
	max-width: 100%;
	height: auto;
	border-radius: 12px;
	margin: 32px 0;
}

/* 目次（TOC） */
.table-of-contents {
	display: none;
}

@media (min-width: 1400px) {
	.table-of-contents {
		display: block;
		position: sticky;
		top: 100px;
		width: 280px;
		max-height: calc(100vh - 150px);
		overflow-y: auto;
		padding: 24px;
		background-color: var(--color-gray-100);
		border-radius: 12px;
		border: 1px solid var(--color-gray-200);
		margin-left: 48px;
	}
}

.toc-title {
	font-size: 14px;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	margin-bottom: 16px;
	color: var(--color-gray-600);
}

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

.toc-list li {
	margin-bottom: 8px;
}

.toc-link {
	display: block;
	font-size: 14px;
	color: var(--color-gray-600);
	text-decoration: none;
	padding: 6px 0 6px 12px;
	transition: var(--transition);
	border-left: 2px solid transparent;
}

.toc-link:hover {
	color: var(--color-accent);
	border-left-color: var(--color-accent);
}

.toc-link.active {
	color: var(--color-accent);
	font-weight: 600;
	border-left-color: var(--color-accent);
}

.toc-link[data-level="3"] {
	padding-left: 24px;
	font-size: 13px;
}

/* 記事フッター */
.article-footer {
	max-width: 720px;
	margin: 64px auto 0;
}

/* シェアボタン */
.share-buttons {
	display: flex;
	gap: 12px;
	align-items: center;
	padding: 32px 0;
	border-top: 1px solid var(--color-gray-200);
	border-bottom: 1px solid var(--color-gray-200);
	margin: 48px 0;
}

.share-label {
	font-size: 14px;
	font-weight: 600;
	color: var(--color-gray-600);
	margin-right: 8px;
}

.share-button {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 10px 20px;
	border-radius: 8px;
	border: 1px solid var(--color-gray-200);
	background-color: var(--color-white);
	color: var(--color-gray-700);
	font-size: 14px;
	font-weight: 500;
	text-decoration: none;
	transition: var(--transition);
	cursor: pointer;
}

.share-button:hover {
	background-color: var(--color-gray-100);
	border-color: var(--color-gray-300);
	transform: translateY(-2px);
}

.share-button-twitter:hover {
	background-color: #1da1f2;
	color: white;
	border-color: #1da1f2;
}

.share-button-facebook:hover {
	background-color: #1877f2;
	color: white;
	border-color: #1877f2;
}

/* 著者プロフィールカード */
.author-bio-card {
	background-color: var(--color-gray-100);
	border-radius: 16px;
	padding: 32px;
	margin: 48px 0;
	display: flex;
	gap: 24px;
	align-items: start;
}

.author-bio-avatar {
	width: 80px;
	height: 80px;
	border-radius: 50%;
	flex-shrink: 0;
}

.author-bio-content h3 {
	font-size: 20px;
	margin: 0 0 8px 0;
}

.author-bio-description {
	font-size: 15px;
	color: var(--color-gray-600);
	line-height: 1.6;
	margin-bottom: 16px;
}

.author-social-link {
	color: var(--color-accent);
	font-size: 14px;
	font-weight: 500;
	text-decoration: none;
}

.author-social-link:hover {
	text-decoration: underline;
}

/* タグセクション */
.post-tags-section {
	margin: 48px 0;
}

.tags-title {
	font-size: 16px;
	font-weight: 600;
	margin-bottom: 16px;
	color: var(--color-black);
}

.post-tags {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
}

.tag-pill {
	display: inline-block;
	padding: 6px 16px;
	border-radius: 100px;
	font-size: 13px;
	font-weight: 500;
	text-decoration: none;
	background-color: var(--color-gray-100);
	color: var(--color-gray-700);
	border: 1px solid var(--color-gray-200);
	transition: var(--transition);
}

.tag-pill:hover {
	background-color: var(--color-gray-200);
	border-color: var(--color-gray-300);
	transform: translateY(-2px);
}

/* 関連記事 */
.related-posts {
	margin: 64px 0;
}

.related-posts-title {
	font-size: 24px;
	font-weight: 700;
	margin-bottom: 32px;
	text-align: center;
}

.related-posts-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: 24px;
}

.related-post-card {
	background-color: var(--color-white);
	border: 1px solid var(--color-gray-200);
	border-radius: 12px;
	overflow: hidden;
	transition: var(--transition);
	text-decoration: none;
	color: inherit;
	display: block;
}

.related-post-card:hover {
	transform: translateY(-4px);
	box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
	border-color: var(--color-accent);
}

.related-post-image {
	width: 100%;
	height: 180px;
	object-fit: cover;
}

.related-post-content {
	padding: 20px;
}

.related-post-title {
	font-size: 18px;
	font-weight: 600;
	margin-bottom: 8px;
	line-height: 1.4;
}

.related-post-excerpt {
	font-size: 14px;
	color: var(--color-gray-600);
	line-height: 1.6;
	margin-bottom: 12px;
}

.related-post-meta {
	font-size: 12px;
	color: var(--color-gray-500);
}

/* 記事ナビゲーション */
.post-navigation-wrapper {
	background-color: var(--color-gray-100);
	padding: 48px 0;
	margin-top: 64px;
}

.post-navigation {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 24px;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 32px;
}

.nav-previous a,
.nav-next a {
	display: block;
	padding: 24px;
	background-color: var(--color-white);
	border-radius: 12px;
	border: 1px solid var(--color-gray-200);
	transition: var(--transition);
	text-decoration: none;
	color: inherit;
}

.nav-previous a:hover,
.nav-next a:hover {
	border-color: var(--color-accent);
	transform: translateY(-2px);
}

.nav-subtitle {
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--color-gray-500);
	margin-bottom: 8px;
	display: block;
}

.nav-title {
	font-size: 18px;
	font-weight: 600;
	line-height: 1.4;
}

/* コメントセクション */
.comments-wrapper {
	max-width: 720px;
	margin: 64px auto;
	padding: 0 24px;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
	.single-post-main {
		padding-top: 64px;
	}

	.reading-progress-bar {
		top: 64px;
	}

	.post-hero {
		height: 50vh;
		min-height: 300px;
		margin-bottom: 32px;
	}

	.article-title {
		font-size: 28px;
	}

	.post-meta {
		flex-direction: column;
		align-items: flex-start;
		gap: 12px;
	}

	.article-content p {
		font-size: 16px;
	}

	.article-content h2 {
		font-size: 24px;
		margin: 32px 0 16px;
	}

	.article-content h3 {
		font-size: 20px;
	}

	.article-content li {
		font-size: 16px;
	}

	.share-buttons {
		flex-wrap: wrap;
	}

	.share-button {
		flex: 1 1 calc(50% - 6px);
		justify-content: center;
	}

	.author-bio-card {
		flex-direction: column;
		padding: 24px;
	}

	.related-posts-grid {
		grid-template-columns: 1fr;
	}

	.post-navigation {
		grid-template-columns: 1fr;
		gap: 16px;
	}
}

@media (max-width: 480px) {
	.article-container {
		padding: 0 16px;
	}

	.article-content p,
	.article-content li {
		font-size: 15px;
	}

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

	.share-button {
		width: 100%;
	}
}

/* ========================================
   Footer Social Links
   ======================================== */

.footer-social {
	text-align: center;
	margin-top: 32px;
	padding-top: 32px;
	border-top: 1px solid var(--color-gray-700);
}

.footer-social h3 {
	font-size: 14px;
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	margin-bottom: 16px;
	color: var(--color-gray-400);
}

.footer-social-links {
	display: flex;
	gap: 16px;
	justify-content: center;
}

.footer-social-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background-color: var(--color-gray-700);
	color: var(--color-gray-300);
	transition: var(--transition);
}

.footer-social-link:hover {
	background-color: var(--color-accent);
	color: var(--color-white);
	transform: translateY(-2px);
}

@media (max-width: 768px) {
	.footer-social {
		margin-top: 24px;
		padding-top: 24px;
	}
}