/* ==========================================================================
   CoderDojo Kamiyacho — Main Stylesheet (Warm Dojo edition)
   ========================================================================== */

/* ---------- Reset ---------- */
@layer reset {
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

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

    body {
        min-height: 100vh;
        text-rendering: optimizeSpeed;
        line-height: 1.7;
    }

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

    input,
    button,
    textarea,
    select {
        font: inherit;
    }

    a {
        color: inherit;
    }

    ul,
    ol {
        list-style: none;
    }

    h1, h2, h3, h4, h5, h6 {
        overflow-wrap: break-word;
        line-height: 1.3;
    }
}

/* ---------- Design Tokens ---------- */
@layer tokens {
    :root {
        /* Brand — Warm Dojo palette */
        --color-primary:       #2d3436;
        --color-primary-light: #636e72;
        --color-dojo-purple:   #7A2684;
        --color-dojo-orange:   #e8863a;

        /* Accents — soft, warm, intentional */
        --color-coral:         #e07a5f;
        --color-sage:          #b39ddb;
        --color-gold:          #f2cc60;
        --color-sky:           #6da4cc;
        --color-lavender:      #9c27b0;

        /* Backgrounds */
        --color-bg:            #faf8f5;
        --color-bg-alt:        #f5efe6;
        --color-bg-hero:       #f3eef5;
        --color-white:         #ffffff;

        /* Borders */
        --color-border:        #e4dbe8;

        /* Footer */
        --color-footer-bg:     #f5efe6;
        --color-footer-text:   #636e72;

        /* Accent shortcuts */
        --color-accent:     var(--color-dojo-orange);
        --color-link:       var(--color-dojo-purple);

        /* Text */
        --color-text:       var(--color-primary);
        --color-text-light: var(--color-primary-light);

        /* Typography */
        --font-heading: 'Nunito', 'Noto Sans JP', sans-serif;
        --font-body:    'Noto Sans JP', 'Nunito', sans-serif;

        --text-xs:   0.75rem;
        --text-sm:   0.875rem;
        --text-base: 1rem;
        --text-lg:   1.125rem;
        --text-xl:   1.25rem;
        --text-2xl:  1.5rem;
        --text-3xl:  2.25rem;
        --text-4xl:  2.75rem;
        --text-5xl:  3.5rem;

        /* Spacing */
        --space-xs:  0.25rem;
        --space-sm:  0.5rem;
        --space-md:  1rem;
        --space-lg:  1.5rem;
        --space-xl:  2rem;
        --space-2xl: 3rem;
        --space-3xl: 4rem;
        --space-4xl: 6rem;
        --space-5xl: 8rem;

        /* Radius */
        --radius-sm:   10px;
        --radius-md:   16px;
        --radius-lg:   20px;
        --radius-xl:   28px;
        --radius-pill: 9999px;

        /* Shadows — neutral warm */
        --shadow-sm:  0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
        --shadow-md:  0 4px 12px rgba(0,0,0,0.08), 0 2px 4px rgba(0,0,0,0.04);
        --shadow-lg:  0 8px 24px rgba(0,0,0,0.10), 0 4px 8px rgba(0,0,0,0.04);

        /* Transitions — calm ease-out only */
        --ease-out: cubic-bezier(0.25, 1, 0.5, 1);
        --transition-fast: 150ms var(--ease-out);
        --transition-base: 300ms var(--ease-out);
        --transition-slow: 500ms var(--ease-out);

        /* Layout */
        --container-max: 1200px;
        --header-height: 72px;
    }
}

/* ---------- Layout ---------- */
@layer layout {
    body {
        font-family: var(--font-body);
        font-size: var(--text-base);
        color: var(--color-text);
        background-color: var(--color-bg);
        letter-spacing: 0.02em;
    }

    .container {
        width: 100%;
        max-width: var(--container-max);
        margin-inline: auto;
        padding-inline: var(--space-lg);
    }

    .layout-with-sidebar {
        display: grid;
        gap: var(--space-2xl);
        grid-template-columns: 1fr;
    }

    @media (min-width: 768px) {
        .layout-with-sidebar {
            grid-template-columns: 1fr 300px;
        }
    }

    .site-content {
        min-height: calc(100vh - var(--header-height));
    }

    .site-main {
        padding-top: var(--space-xl);
        padding-bottom: var(--space-2xl);
    }

    .site-main:first-child > .hero:first-child {
        margin-top: 0;
    }

    /* フロントページはセクションごとに余白を管理 */
    body.home .site-main,
    body.page-template-front-page .site-main {
        padding-top: 0;
        padding-bottom: 0;
    }

    /* Screen reader text */
    .screen-reader-text {
        border: 0;
        clip: rect(1px, 1px, 1px, 1px);
        clip-path: inset(50%);
        height: 1px;
        margin: -1px;
        overflow: hidden;
        padding: 0;
        position: absolute;
        width: 1px;
        word-wrap: normal !important;
    }

    .screen-reader-text:focus {
        background-color: var(--color-white);
        border-radius: var(--radius-sm);
        box-shadow: var(--shadow-lg);
        clip: auto !important;
        clip-path: none;
        color: var(--color-primary);
        display: block;
        font-size: var(--text-sm);
        font-weight: 700;
        height: auto;
        left: 5px;
        line-height: normal;
        padding: var(--space-md) var(--space-xl);
        text-decoration: none;
        top: 5px;
        width: auto;
        z-index: 100000;
    }

    .skip-link:focus {
        z-index: 100001;
    }
}

/* ---------- Components ---------- */
@layer components {

    /* ── Header ─────────────────────────────── */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: var(--color-white);
        border-bottom: 1px solid var(--color-border);
        height: var(--header-height);
        transition: box-shadow var(--transition-base);
    }

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

    .site-header__inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }

    .site-branding a {
        text-decoration: none;
    }

    .site-title {
        font-family: var(--font-heading);
        font-size: var(--text-xl);
        font-weight: 800;
        color: var(--color-primary);
        text-decoration: none;
    }

    .site-logo {
        height: 40px;
        width: auto;
    }

    /* ── Navigation ─────────────────────────── */
    .main-navigation ul {
        display: flex;
        gap: var(--space-xs);
    }

    .main-navigation a {
        display: block;
        padding: var(--space-sm) var(--space-md);
        font-size: var(--text-sm);
        font-weight: 600;
        color: var(--color-text);
        text-decoration: none;
        border-radius: var(--radius-sm);
        transition: color var(--transition-fast), background-color var(--transition-fast);
    }

    .main-navigation a:hover,
    .main-navigation .current_page_item > a,
    .main-navigation .current-menu-item > a {
        color: var(--color-dojo-purple);
        background-color: rgba(122, 38, 132, 0.08);
    }

    /* ── Mobile Menu Toggle ─────────────────── */
    .menu-toggle {
        display: none;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 40px;
        height: 40px;
        padding: 8px;
        background: none;
        border: none;
        cursor: pointer;
        border-radius: var(--radius-sm);
        transition: background-color var(--transition-fast);
    }

    .menu-toggle:hover {
        background-color: rgba(0, 0, 0, 0.05);
    }

    .menu-toggle__bar {
        display: block;
        width: 24px;
        height: 2px;
        background-color: var(--color-primary);
        border-radius: 2px;
        transition: transform var(--transition-base), opacity var(--transition-base);
        transform-origin: center;
    }

    .menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    @media (max-width: 767px) {
        .menu-toggle {
            display: flex;
        }

        .main-navigation {
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-white);
            padding: var(--space-xl);
            transform: translateX(100%);
            transition: transform var(--transition-base);
            overflow-y: auto;
            z-index: 999;
        }

        .main-navigation.is-open {
            transform: translateX(0);
        }

        .main-navigation ul {
            flex-direction: column;
            gap: var(--space-xs);
        }

        .main-navigation a {
            font-size: var(--text-lg);
            padding: var(--space-md);
        }
    }

    /* ── Hero Section ──────────────────────────── */
    .hero {
        position: relative;
        overflow: hidden;
        background-color: var(--color-bg-hero);
        color: var(--color-white);
        min-height: 80vh;
        padding: var(--space-5xl) 0 var(--space-3xl) 0;
        display: flex;
        align-items: center;
    }

    /* 白い枠（インセットフレーム） */
    .hero::before {
        content: '';
        position: absolute;
        inset: var(--space-lg);
        border: 2px solid rgba(255, 255, 255, 0.45);
        border-radius: var(--radius-xl);
        z-index: 3;
        pointer-events: none;
    }

    /* 背景動画 */
    .hero__video {
        position: absolute;
        inset: 0;
        z-index: 0;
        overflow: hidden;
        pointer-events: none;
    }

    .hero__video iframe,
    .hero__video #hero-yt-player {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 100vw;
        height: 56.25vw; /* 16:9 */
        min-height: 100%;
        min-width: 177.78vh; /* 100 / 0.5625 */
        transform: translate(-50%, -50%);
    }

    .hero__video-overlay {
        position: absolute;
        inset: 0;
        z-index: 1;
        background: rgba(0, 0, 0, 0.45);
    }

    .hero__content {
        position: relative;
        z-index: 2;
        text-align: center;
    }

    .hero__title {
        font-family: var(--font-heading);
        font-size: var(--text-4xl);
        font-weight: 800;
        margin-bottom: var(--space-md);
        letter-spacing: -0.02em;
    }

    .hero__subtitle {
        font-size: var(--text-xl);
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: var(--space-2xl);
        font-weight: 400;
    }

    .hero__actions {
        display: flex;
        gap: var(--space-md);
        justify-content: center;
        flex-wrap: wrap;
    }

    /* Hero decorations */
    .hero__decorations {
        position: absolute;
        inset: 0;
        z-index: 1;
        pointer-events: none;
    }

    .hero__decorations .deco {
        position: absolute;
    }

    .deco--bracket-left  { top: 15%; left: 8%; }
    .deco--bracket-right { bottom: 25%; right: 10%; }
    .deco--star          { top: 20%; right: 15%; }
    .deco--dots          { bottom: 20%; left: 5%; }

    @media (max-width: 767px) {
        .hero::before {
            inset: var(--space-sm);
        }
        .hero__decorations { display: none; }
    }

    @media (min-width: 768px) {
        .hero__title {
            font-size: var(--text-5xl);
        }

        .hero__subtitle {
            font-size: var(--text-2xl);
        }
    }

    /* ── Scroll Indicator ─────────────────────── */
    .scroll-indicator {
        position: absolute;
        bottom: 120px;
        left: 50%;
        transform: translateX(-50%);
        z-index: 2;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--space-xs);
        color: rgba(255, 255, 255, 0.7);
        font-size: var(--text-xs);
        text-decoration: none;
    }

    /* ── Buttons ────────────────────────────── */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: var(--space-sm);
        padding: var(--space-sm) var(--space-xl);
        font-family: var(--font-heading);
        font-size: var(--text-base);
        font-weight: 800;
        text-decoration: none;
        border: 2px solid transparent;
        border-radius: var(--radius-md);
        cursor: pointer;
        transition: transform var(--transition-base), box-shadow var(--transition-base);
        line-height: 1.5;
        letter-spacing: 0.02em;
    }

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

    .btn:active {
        transform: translateY(0);
    }

    .btn--primary {
        background: var(--color-dojo-orange);
        color: var(--color-white);
        box-shadow: var(--shadow-sm);
    }

    .btn--primary:hover {
        box-shadow: var(--shadow-lg);
    }

    .btn--accent {
        background: var(--color-dojo-purple);
        color: var(--color-white);
        box-shadow: var(--shadow-sm);
    }

    .btn--accent:hover {
        box-shadow: var(--shadow-lg);
    }

    .btn--cta {
        background: var(--color-dojo-orange);
        color: var(--color-white);
        box-shadow: var(--shadow-sm);
    }

    .btn--cta:hover {
        box-shadow: var(--shadow-lg);
    }

    .btn--outline {
        background: transparent;
        border-color: currentColor;
        color: inherit;
    }

    .btn--outline:hover {
        background: rgba(255, 255, 255, 0.15);
    }

    .btn--lg {
        padding: var(--space-md) var(--space-2xl);
        font-size: var(--text-lg);
    }

    /* ── Wave dividers ─────────────────────────── */
    .section-wave {
        line-height: 0;
        position: relative;
        z-index: 1;
        overflow: hidden;
        margin-top: -2px;
        margin-bottom: -2px;
    }

    /* ベース: 静止・100%幅・完全不透明 → 隙間なし */
    .section-wave__base {
        display: block;
        width: 100%;
        height: auto;
        position: relative;
    }

    /* オーバーレイ: 左右に余裕を持たせて端切れ防止 */
    .section-wave__overlay {
        position: absolute;
        top: 0;
        left: -5%;
        width: 310%;
        height: 100%;
    }

    .section-wave__overlay--1 {
        animation: wave-drift 8s linear infinite reverse;
    }

    .section-wave__overlay--2 {
        animation: wave-drift 12s linear infinite;
    }

    .section-wave--to-white { color: #ffffff; }
    .section-wave--to-cream { color: var(--color-bg-alt); }
    .section-wave--to-purple { color: #4D224F; }

    /* 大きいウェーブ（ヒーロー下） — ヒーローに被さる */
    .section-wave--lg {
        margin-top: clamp(-160px, -16vw, -320px);
        position: relative;
        z-index: 2;
    }

    .section-wave--lg .section-wave__base {
        height: clamp(160px, 16vw, 320px);
    }

    .section-wave--lg .section-wave__overlay {
        height: 100%;
        top: auto;
        bottom: 0;
    }

    /* ── Sections ───────────────────────────── */
    .section {
        padding: var(--space-4xl) 0;
    }

    .section__title {
        font-family: var(--font-heading);
        font-size: var(--text-3xl);
        font-weight: 800;
        text-align: center;
        color: var(--color-primary);
        margin-bottom: var(--space-md);
        position: relative;
        display: inline-block;
        width: 100%;
    }

    .section__title::after {
        content: '';
        display: block;
        width: 48px;
        height: 3px;
        background: var(--color-dojo-orange);
        border-radius: var(--radius-pill);
        margin: var(--space-sm) auto 0;
    }

    .section__lead {
        text-align: center;
        font-size: var(--text-lg);
        color: var(--color-text-light);
        margin-bottom: var(--space-2xl);
        max-width: 600px;
        margin-inline: auto;
    }

    .section__more {
        text-align: center;
        margin-top: var(--space-2xl);
    }

    .section__note {
        text-align: center;
        margin-top: var(--space-xl);
        color: var(--color-text-light);
        font-size: var(--text-sm);
    }

    .section--about {
        background: var(--color-white);
        position: relative;
    }

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

    .section--activities {
        background: var(--color-white);
    }

    /* ── News List ──────────────────────────── */
    .news-list {
        border-top: 1px solid var(--color-border);
    }

    .news-item {
        display: flex;
        align-items: baseline;
        gap: var(--space-lg);
        padding: var(--space-md) var(--space-sm);
        border-bottom: 1px solid var(--color-border);
        text-decoration: none;
        color: inherit;
        transition: background-color var(--transition-base);
    }

    .news-item:hover {
        background-color: rgba(0, 0, 0, 0.02);
    }

    .news-item__date {
        flex-shrink: 0;
        font-size: var(--text-sm);
        color: var(--color-text-light);
        font-variant-numeric: tabular-nums;
        min-width: 6em;
    }

    .news-item__title {
        font-weight: 500;
        color: var(--color-primary);
        transition: color var(--transition-base);
    }

    .news-item:hover .news-item__title {
        color: var(--color-dojo-purple);
    }

    @media (max-width: 639px) {
        .news-item {
            flex-direction: column;
            gap: var(--space-xs);
        }
    }

    .section--cta {
        position: relative;
        overflow: hidden;
        background: #4D224F;
        color: var(--color-white);
    }

    .section--cta .container {
        position: relative;
        z-index: 2;
    }

    .section--sponsors {
        background: var(--color-white);
    }

    /* ── About Cards ───────────────────────── */
    .about-grid {
        display: grid;
        gap: var(--space-xl);
        grid-template-columns: 1fr;
    }

    @media (min-width: 768px) {
        .about-grid {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    .about-card-wrap {
        clip-path: url(#ninja-silhouette);
        padding: 3px;
        filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.08));
        transition: transform var(--transition-base), filter var(--transition-base);
    }

    .about-card-wrap:hover {
        transform: translateY(-4px);
        filter: drop-shadow(0 6px 16px rgba(0, 0, 0, 0.12));
    }

    .about-card-wrap--coral  { background: var(--color-coral); }
    .about-card-wrap--purple { background: var(--color-lavender); }
    .about-card-wrap--cyan   { background: var(--color-sky); }

    .about-card {
        text-align: center;
        padding: var(--space-2xl) 18% var(--space-2xl) var(--space-md);
        background: var(--color-bg);
        clip-path: url(#ninja-silhouette);
    }

    .about-card__icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 88px;
        height: 88px;
        border-radius: 50%;
        margin-bottom: var(--space-lg);
    }

    .about-card__icon--coral  { background: rgba(224, 122, 95, 0.12); color: var(--color-coral); }
    .about-card__icon--purple { background: rgba(156, 39, 176, 0.12); color: var(--color-lavender); }
    .about-card__icon--cyan   { background: rgba(109, 164, 204, 0.12); color: var(--color-sky); }

    .about-card__title {
        font-family: var(--font-heading);
        font-size: var(--text-xl);
        font-weight: 700;
        margin-bottom: var(--space-sm);
        color: var(--color-primary);
    }

    .about-card__text {
        color: var(--color-text-light);
        font-size: var(--text-sm);
        line-height: 1.8;
    }

    /* ── Post Card ──────────────────────────── */
    .post-grid {
        display: grid;
        gap: var(--space-xl);
        grid-template-columns: 1fr;
    }

    @media (min-width: 640px) {
        .post-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (min-width: 1024px) {
        .post-grid--home {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    .post-card {
        background: var(--color-white);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border);
        transition: transform var(--transition-base), box-shadow var(--transition-base);
    }

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

    .post-card__link {
        display: block;
        text-decoration: none;
        color: inherit;
    }

    .post-card__thumbnail {
        display: block;
        overflow: hidden;
        aspect-ratio: 3 / 2;
    }

    .post-card__thumbnail img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }

    .post-card:hover .post-card__thumbnail img {
        transform: scale(1.05);
    }

    .post-card__body {
        padding: var(--space-lg);
    }

    .post-card__meta {
        display: flex;
        align-items: center;
        gap: var(--space-sm);
        margin-bottom: var(--space-sm);
        font-size: var(--text-xs);
    }

    .post-card__category {
        display: inline-block;
        padding: 3px 12px;
        background: var(--color-dojo-purple);
        color: var(--color-white);
        border-radius: var(--radius-sm);
        font-weight: 700;
        font-size: var(--text-xs);
    }

    .post-card__date {
        color: var(--color-text-light);
    }

    .post-card__title {
        font-family: var(--font-heading);
        font-size: var(--text-lg);
        font-weight: 700;
        margin-bottom: var(--space-sm);
        line-height: 1.4;
    }

    .post-card:hover .post-card__title {
        color: var(--color-dojo-purple);
        transition: color var(--transition-fast);
    }

    .post-card__excerpt {
        font-size: var(--text-sm);
        color: var(--color-text-light);
        line-height: 1.7;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* ── CTA Cards ──────────────────────────── */
    .cta-grid {
        display: grid;
        gap: var(--space-xl);
        grid-template-columns: 1fr;
    }

    @media (min-width: 768px) {
        .cta-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    .cta-card {
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: var(--radius-xl);
        padding: var(--space-2xl);
        text-align: center;
        transition: transform var(--transition-base), background-color var(--transition-base);
    }

    .cta-card:hover {
        transform: translateY(-4px);
        background: rgba(255, 255, 255, 0.18);
    }

    .cta-card__icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 88px;
        height: 88px;
        border-radius: 50%;
        margin-bottom: var(--space-lg);
    }

    .cta-card--join .cta-card__icon {
        background: rgba(242, 204, 96, 0.3);
        color: var(--color-gold);
    }

    .cta-card--mentor .cta-card__icon {
        background: rgba(255, 255, 255, 0.2);
        color: var(--color-white);
    }

    .cta-card__title {
        font-family: var(--font-heading);
        font-size: var(--text-2xl);
        font-weight: 700;
        margin-bottom: var(--space-md);
    }

    .cta-card__text {
        font-size: var(--text-sm);
        opacity: 0.85;
        margin-bottom: var(--space-xl);
        line-height: 1.8;
    }

    /* CTA section decorations */
    .section--cta__decorations {
        position: absolute;
        inset: 0;
        z-index: 1;
        pointer-events: none;
    }

    .section--cta__decorations .deco {
        position: absolute;
    }

    /* ── Sponsors ───────────────────────────── */
    .sponsors-grid {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-2xl);
        justify-content: center;
        align-items: center;
    }

    .sponsor-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: var(--space-xl) var(--space-2xl);
        background: transparent;
        border: 2px dashed var(--color-border);
        border-radius: var(--radius-lg);
        text-decoration: none;
        color: var(--color-text-light);
        font-weight: 600;
        font-size: var(--text-lg);
        transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
    }

    .sponsor-link:hover {
        border-color: var(--color-dojo-purple);
        border-style: solid;
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
    }

    .sponsor-link img {
        max-height: 100px;
        width: auto;
    }

    /* ── Breadcrumb ─────────────────────────── */
    .breadcrumb {
        margin-bottom: var(--space-xl);
    }

    .breadcrumb__list {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: var(--space-xs);
        font-size: var(--text-sm);
        color: var(--color-text-light);
    }

    .breadcrumb__item:not(:last-child)::after {
        content: '/';
        margin-left: var(--space-xs);
        opacity: 0.5;
    }

    .breadcrumb__item a {
        text-decoration: none;
        color: var(--color-dojo-purple);
        transition: color var(--transition-fast);
    }

    .breadcrumb__item a:hover {
        color: var(--color-dojo-orange);
    }

    .breadcrumb__item--current {
        color: var(--color-text);
        font-weight: 500;
    }

    /* ── Single Post / Page ─────────────────── */
    .content-area {
        min-width: 0;
    }

    .page-header {
        margin-bottom: var(--space-xl);
    }

    .page-title {
        font-family: var(--font-heading);
        font-size: var(--text-3xl);
        font-weight: 800;
        color: var(--color-primary);
    }

    .archive-description {
        margin-top: var(--space-md);
        color: var(--color-text-light);
    }

    .single-post,
    .single-page {
        padding: 0;
    }

    .entry-header {
        margin-bottom: var(--space-xl);
    }

    .entry-title {
        font-family: var(--font-heading);
        font-size: var(--text-3xl);
        font-weight: 800;
        color: var(--color-primary);
        margin-bottom: var(--space-md);
    }

    .entry-meta {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-md);
        font-size: var(--text-sm);
        color: var(--color-text-light);
    }

    .entry-meta a {
        color: var(--color-dojo-purple);
        text-decoration: none;
    }

    .entry-meta a:hover {
        text-decoration: underline;
    }

    .entry-thumbnail {
        margin-bottom: var(--space-xl);
        border-radius: var(--radius-md);
        overflow: hidden;
    }

    .entry-content {
        line-height: 1.9;
        font-size: var(--text-base);
    }

    .entry-content h2 {
        font-family: var(--font-heading);
        font-size: var(--text-2xl);
        font-weight: 700;
        margin-top: var(--space-2xl);
        margin-bottom: var(--space-md);
        color: var(--color-primary);
        padding-bottom: var(--space-sm);
        border-bottom: 3px solid var(--color-dojo-purple);
    }

    .entry-content h3 {
        font-family: var(--font-heading);
        font-size: var(--text-xl);
        font-weight: 700;
        margin-top: var(--space-xl);
        margin-bottom: var(--space-md);
        color: var(--color-primary);
    }

    .entry-content p {
        margin-bottom: var(--space-lg);
    }

    .entry-content a {
        color: var(--color-dojo-purple);
        text-decoration: underline;
        text-underline-offset: 3px;
    }

    .entry-content a:hover {
        color: var(--color-dojo-orange);
    }

    .entry-content ul,
    .entry-content ol {
        margin-bottom: var(--space-lg);
        padding-left: var(--space-xl);
    }

    .entry-content ul {
        list-style: disc;
    }

    .entry-content ol {
        list-style: decimal;
    }

    .entry-content li {
        margin-bottom: var(--space-sm);
    }

    .entry-content blockquote {
        border-left: 5px solid var(--color-gold);
        padding: var(--space-md) var(--space-xl);
        margin: var(--space-xl) 0;
        background: rgba(242, 204, 96, 0.08);
        border-radius: 0 var(--radius-md) var(--radius-md) 0;
        font-style: italic;
    }

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

    .entry-content pre {
        background: var(--color-primary);
        color: var(--color-white);
        padding: var(--space-xl);
        border-radius: var(--radius-md);
        overflow-x: auto;
        margin: var(--space-xl) 0;
        font-size: var(--text-sm);
    }

    .entry-content code {
        background: rgba(122, 38, 132, 0.08);
        color: var(--color-dojo-purple);
        padding: 2px 6px;
        border-radius: 6px;
        font-size: 0.9em;
    }

    .entry-content pre code {
        background: none;
        color: inherit;
        padding: 0;
        border-radius: 0;
    }

    .entry-footer {
        margin-top: var(--space-2xl);
        padding-top: var(--space-xl);
        border-top: 1px solid var(--color-border);
        font-size: var(--text-sm);
        color: var(--color-text-light);
    }

    .entry-footer a {
        color: var(--color-dojo-purple);
        text-decoration: none;
    }

    .entry-footer a:hover {
        text-decoration: underline;
    }

    .cat-links,
    .tags-links {
        display: block;
        margin-bottom: var(--space-sm);
    }

    .page-links {
        margin-top: var(--space-xl);
        padding: var(--space-md);
        background: var(--color-bg);
        border-radius: var(--radius-sm);
        font-weight: 600;
    }

    /* ── Post Navigation ───────────────────── */
    .post-navigation {
        margin-top: var(--space-2xl);
    }

    .post-navigation .nav-links {
        display: grid;
        gap: var(--space-md);
        grid-template-columns: 1fr;
    }

    @media (min-width: 640px) {
        .post-navigation .nav-links {
            grid-template-columns: 1fr 1fr;
        }
    }

    .post-navigation .nav-previous,
    .post-navigation .nav-next {
        background: var(--color-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
        transition: box-shadow var(--transition-base), transform var(--transition-base);
    }

    .post-navigation .nav-previous:hover,
    .post-navigation .nav-next:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }

    .post-navigation a {
        display: block;
        padding: var(--space-lg);
        text-decoration: none;
        color: var(--color-text);
    }

    .post-navigation .nav-subtitle {
        display: block;
        font-size: var(--text-xs);
        color: var(--color-text-light);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-bottom: var(--space-xs);
    }

    .post-navigation .nav-title {
        font-weight: 600;
        color: var(--color-primary);
    }

    /* ── Pagination ─────────────────────────── */
    .pagination,
    .nav-links {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: var(--space-sm);
        margin-top: var(--space-2xl);
        flex-wrap: wrap;
    }

    .pagination .page-numbers,
    .posts-navigation a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 40px;
        height: 40px;
        padding: 0 var(--space-sm);
        background: var(--color-white);
        border-radius: var(--radius-sm);
        text-decoration: none;
        color: var(--color-text);
        font-weight: 600;
        font-size: var(--text-sm);
        box-shadow: var(--shadow-sm);
        transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-base);
    }

    .pagination .page-numbers:hover,
    .posts-navigation a:hover {
        background: var(--color-dojo-orange);
        color: var(--color-white);
        transform: translateY(-2px);
    }

    .pagination .page-numbers.current {
        background: var(--color-dojo-purple);
        color: var(--color-white);
    }

    .pagination .page-numbers.dots {
        background: none;
        box-shadow: none;
        pointer-events: none;
    }

    /* ── Sidebar ────────────────────────────── */
    .sidebar {
        align-self: start;
    }

    .widget {
        background: var(--color-white);
        border-radius: var(--radius-lg);
        padding: var(--space-xl);
        margin-bottom: var(--space-xl);
        box-shadow: var(--shadow-sm);
    }

    .widget-title {
        font-family: var(--font-heading);
        font-size: var(--text-lg);
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: var(--space-md);
        padding-bottom: var(--space-sm);
        border-bottom: 2px solid var(--color-dojo-orange);
    }

    .widget ul {
        list-style: none;
    }

    .widget li {
        padding: var(--space-sm) 0;
        border-bottom: 1px solid var(--color-border);
    }

    .widget li:last-child {
        border-bottom: none;
    }

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

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

    /* ── Footer ─────────────────────────────── */
    .site-footer {
        position: relative;
        background: var(--color-footer-bg);
        color: var(--color-footer-text);
        padding: var(--space-3xl) 0 var(--space-xl);
    }

    .site-footer__inner {
        position: relative;
        z-index: 2;
    }

    .footer-logo {
        margin-bottom: var(--space-xl);
    }

    .footer-logo a {
        display: inline-block;
    }

    .footer-logo img {
        height: 48px;
        width: auto;
        display: block;
    }

    .footer-widgets {
        margin-bottom: var(--space-2xl);
    }

    .footer-widgets .widget {
        background: rgba(0, 0, 0, 0.03);
        box-shadow: none;
    }

    .footer-widgets .widget-title {
        color: var(--color-primary);
        border-bottom-color: var(--color-border);
    }

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

    .footer-widgets .widget a:hover {
        color: var(--color-primary);
    }

    .footer-navigation {
        margin-bottom: var(--space-xl);
    }

    .footer-navigation ul {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-md);
    }

    .footer-navigation a {
        text-decoration: none;
        font-size: var(--text-sm);
        color: var(--color-footer-text);
        transition: color var(--transition-fast);
    }

    .footer-navigation a:hover {
        color: var(--color-primary);
    }

    .footer-links {
        margin-bottom: var(--space-xl);
    }

    .social-links {
        display: flex;
        justify-content: center;
        gap: var(--space-md);
    }

    .social-links a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: rgba(0, 0, 0, 0.06);
        color: var(--color-primary);
        text-decoration: none;
        transition: background-color var(--transition-fast), transform var(--transition-base);
    }

    .social-links a:hover {
        background: rgba(0, 0, 0, 0.10);
        transform: translateY(-2px);
    }

    .site-info {
        text-align: center;
        font-size: var(--text-sm);
        opacity: 0.7;
    }

    /* ── Search Form ────────────────────────── */
    .search-form {
        display: flex;
        gap: var(--space-sm);
        max-width: 480px;
        margin: var(--space-xl) auto;
    }

    .search-form .search-field {
        flex: 1;
        padding: var(--space-sm) var(--space-md);
        border: 2px solid var(--color-border);
        border-radius: var(--radius-md);
        font-size: var(--text-base);
        background: var(--color-white);
        transition: border-color var(--transition-fast);
    }

    .search-form .search-field:focus {
        outline: none;
        border-color: var(--color-dojo-purple);
    }

    .search-form .search-submit {
        padding: var(--space-sm) var(--space-xl);
        background: var(--color-dojo-orange);
        color: var(--color-white);
        border: none;
        border-radius: var(--radius-md);
        font-weight: 800;
        cursor: pointer;
        transition: background-color var(--transition-fast), transform var(--transition-base);
    }

    .search-form .search-submit:hover {
        background: #d4762e;
        transform: translateY(-2px);
    }

    /* ── 404 Page ───────────────────────────── */
    .error-404 {
        text-align: center;
        padding: var(--space-4xl) 0;
    }

    .error-404 .page-content {
        max-width: 600px;
        margin-inline: auto;
    }

    .error-404 .page-content p {
        margin-bottom: var(--space-xl);
        color: var(--color-text-light);
    }

    .error-404__widgets {
        margin-top: var(--space-2xl);
        text-align: left;
    }

    /* ── Comments ───────────────────────────── */
    .comments-area {
        margin-top: var(--space-2xl);
        background: var(--color-white);
        border-radius: var(--radius-lg);
        padding: var(--space-2xl);
        box-shadow: var(--shadow-sm);
    }

    .comments-title {
        font-family: var(--font-heading);
        font-size: var(--text-2xl);
        font-weight: 700;
        margin-bottom: var(--space-xl);
        color: var(--color-primary);
    }

    .comment-list {
        list-style: none;
    }

    .comment-body {
        padding: var(--space-lg);
        margin-bottom: var(--space-md);
        border-radius: var(--radius-md);
        background: var(--color-bg);
    }

    .comment-respond {
        margin-top: var(--space-xl);
    }

    .comment-form textarea,
    .comment-form input[type="text"],
    .comment-form input[type="email"],
    .comment-form input[type="url"] {
        width: 100%;
        padding: var(--space-sm) var(--space-md);
        border: 2px solid var(--color-border);
        border-radius: var(--radius-sm);
        font-size: var(--text-base);
        transition: border-color var(--transition-fast);
    }

    .comment-form textarea:focus,
    .comment-form input:focus {
        outline: none;
        border-color: var(--color-dojo-purple);
    }

    .comment-form .submit {
        display: inline-block;
        padding: var(--space-sm) var(--space-2xl);
        background: var(--color-dojo-purple);
        color: var(--color-white);
        border: none;
        border-radius: var(--radius-md);
        font-weight: 800;
        cursor: pointer;
        transition: background-color var(--transition-fast), transform var(--transition-base);
    }

    .comment-form .submit:hover {
        background: #5c1d63;
        transform: translateY(-2px);
    }

    /* ── MW WP Form ────────────────────────── */
    .mw_wp_form {
        max-width: 640px;
        margin: var(--space-2xl) auto 0;
    }

    .mw_wp_form table {
        width: 100%;
        border-collapse: separate;
        border-spacing: 0 var(--space-md);
    }

    .mw_wp_form th {
        display: block;
        text-align: left;
        font-weight: 700;
        font-size: var(--text-sm);
        color: var(--color-primary);
        padding-bottom: var(--space-xs);
    }

    .mw_wp_form td {
        display: block;
        padding-bottom: var(--space-sm);
    }

    @media (min-width: 768px) {
        .mw_wp_form th,
        .mw_wp_form td {
            display: table-cell;
            vertical-align: top;
            padding: var(--space-md) var(--space-sm);
        }

        .mw_wp_form th {
            width: 180px;
            padding-top: calc(var(--space-md) + 4px);
        }
    }

    /* 入力フィールド共通 */
    .mw_wp_form input[type="text"],
    .mw_wp_form input[type="email"],
    .mw_wp_form input[type="tel"],
    .mw_wp_form input[type="url"],
    .mw_wp_form input[type="number"],
    .mw_wp_form input[type="date"],
    .mw_wp_form textarea,
    .mw_wp_form select {
        width: 100%;
        padding: 0.75rem 1rem;
        border: 2px solid var(--color-border);
        border-radius: var(--radius-md);
        font-size: var(--text-base);
        background: var(--color-white);
        color: var(--color-primary);
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        appearance: none;
    }

    .mw_wp_form input[type="text"]:focus,
    .mw_wp_form input[type="email"]:focus,
    .mw_wp_form input[type="tel"]:focus,
    .mw_wp_form input[type="url"]:focus,
    .mw_wp_form input[type="number"]:focus,
    .mw_wp_form input[type="date"]:focus,
    .mw_wp_form textarea:focus,
    .mw_wp_form select:focus {
        outline: none;
        border-color: var(--color-dojo-purple);
        box-shadow: 0 0 0 3px rgba(122, 38, 132, 0.15);
    }

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

    /* プレースホルダー */
    .mw_wp_form input::placeholder,
    .mw_wp_form textarea::placeholder {
        color: var(--color-text-light);
        opacity: 0.6;
    }

    /* select 矢印 */
    .mw_wp_form select {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23636e72' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 1rem center;
        padding-right: 2.5rem;
    }

    /* ラジオ・チェックボックス */
    .mw_wp_form .mwform-radio-field,
    .mw_wp_form .mwform-checkbox-field {
        margin-bottom: var(--space-xs);
    }

    .mw_wp_form .mwform-radio-field label,
    .mw_wp_form .mwform-checkbox-field label {
        display: inline-flex;
        align-items: center;
        gap: var(--space-xs);
        cursor: pointer;
        font-size: var(--text-base);
        color: var(--color-primary);
        padding: var(--space-xs) 0;
    }

    .mw_wp_form .horizontal-item {
        display: inline-flex;
        margin-right: var(--space-md);
    }

    .mw_wp_form .vertical-item {
        display: flex;
    }

    .mw_wp_form input[type="radio"],
    .mw_wp_form input[type="checkbox"] {
        width: 20px;
        height: 20px;
        accent-color: var(--color-dojo-purple);
        cursor: pointer;
    }

    /* ファイルアップロード */
    .mw_wp_form input[type="file"] {
        padding: var(--space-sm);
        border: 2px dashed var(--color-border);
        border-radius: var(--radius-md);
        background: var(--color-bg);
        width: 100%;
        cursor: pointer;
        transition: border-color var(--transition-fast);
    }

    .mw_wp_form input[type="file"]:hover {
        border-color: var(--color-dojo-purple);
    }

    /* 電話・郵便番号（分割フィールド） */
    .mw_wp_form .mwform-tel-field,
    .mw_wp_form .mwform-zip-field {
        display: flex;
        align-items: center;
        gap: var(--space-xs);
    }

    .mw_wp_form .mwform-tel-field input,
    .mw_wp_form .mwform-zip-field input {
        width: auto;
        flex: 1;
    }

    /* 送信ボタン */
    .mw_wp_form input[type="submit"],
    .mw_wp_form button[type="submit"] {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.875rem var(--space-3xl);
        background: var(--color-dojo-purple);
        color: var(--color-white);
        border: none;
        border-radius: var(--radius-md);
        font-size: var(--text-base);
        font-weight: 800;
        cursor: pointer;
        transition: background-color var(--transition-fast), transform var(--transition-base), box-shadow var(--transition-base);
        min-width: 200px;
    }

    .mw_wp_form input[type="submit"]:hover,
    .mw_wp_form button[type="submit"]:hover {
        background: #5c1d63;
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .mw_wp_form input[type="submit"]:active,
    .mw_wp_form button[type="submit"]:active {
        transform: translateY(0);
    }

    /* 戻るボタン */
    .mw_wp_form input[type="button"],
    .mw_wp_form .mw_wp_form_confirm .mw_wp_form_back_button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.875rem var(--space-2xl);
        background: transparent;
        color: var(--color-primary);
        border: 2px solid var(--color-border);
        border-radius: var(--radius-md);
        font-size: var(--text-base);
        font-weight: 700;
        cursor: pointer;
        transition: background-color var(--transition-fast), border-color var(--transition-fast);
    }

    .mw_wp_form input[type="button"]:hover {
        background: var(--color-bg);
        border-color: var(--color-primary-light);
    }

    /* ボタンエリア */
    .mw_wp_form .mw_wp_form_send,
    .mw_wp_form p:has(input[type="submit"]) {
        display: flex;
        gap: var(--space-md);
        justify-content: center;
        margin-top: var(--space-2xl);
    }

    /* エラーメッセージ */
    .mw_wp_form .error {
        display: block;
        margin-top: var(--space-xs);
        font-size: var(--text-sm);
        color: #c0392b;
        font-weight: 500;
    }

    /* 確認画面 */
    .mw_wp_form_confirm .mw_wp_form td {
        font-weight: 500;
        color: var(--color-primary);
    }

    /* 完了画面 */
    .mw_wp_form_complete {
        text-align: center;
        padding: var(--space-3xl) var(--space-xl);
    }

    .mw_wp_form_complete p {
        font-size: var(--text-lg);
        color: var(--color-primary);
        line-height: 1.8;
    }

    /* ── WordPress Alignment ────────────────── */
    .alignwide {
        max-width: calc(var(--container-max) + 200px);
        margin-inline: auto;
    }

    .alignfull {
        width: 100vw;
        max-width: 100vw;
        margin-left: calc(50% - 50vw);
    }

    .aligncenter {
        display: block;
        margin-inline: auto;
    }

    .alignleft {
        float: left;
        margin-right: var(--space-xl);
        margin-bottom: var(--space-md);
    }

    .alignright {
        float: right;
        margin-left: var(--space-xl);
        margin-bottom: var(--space-md);
    }

    .wp-caption {
        max-width: 100%;
    }

    .wp-caption-text {
        font-size: var(--text-sm);
        color: var(--color-text-light);
        text-align: center;
        margin-top: var(--space-sm);
    }
}

/* ---------- Utilities ---------- */
@layer utilities {
    .fade-in-up {
        opacity: 0;
        transform: translateY(16px);
        transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
    }

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