/* ============================================
   AIKnow ボランティア募集 LP - Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Colors */
    --primary: #6B8E23;
    --primary-light: rgba(107, 142, 35, 0.1);
    --primary-hover: #5a7a1d;
    --secondary: #5F9EA0;
    --secondary-light: rgba(95, 158, 160, 0.1);
    --accent: #D2B48C;
    --accent-light: rgba(210, 180, 140, 0.2);
    --accent-30: rgba(210, 180, 140, 0.3);
    --surface: #FAF9F6;
    --surface-variant: #F2EFE9;
    --surface-white: #ffffff;
    --on-surface: #3C3C3C;
    --on-surface-variant: #5A5A5A;
    --on-surface-light: rgba(60, 60, 60, 0.1);
    --dark: #3C3C3C;

    /* Typography */
    --font-headline: 'Zen Maru Gothic', sans-serif;
    --font-body: 'M PLUS Rounded 1c', sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
    --radius-blob-1: 60% 40% 30% 70% / 60% 30% 70% 40%;
    --radius-blob-2: 30% 70% 70% 30% / 30% 30% 70% 70%;
    --radius-hand-drawn: 255px 15px 225px 15px / 15px 225px 15px 255px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 26, 65, 0.04);
    --shadow-md: 0 8px 24px rgba(0, 26, 65, 0.06);
    --shadow-lg: 0 20px 40px rgba(0, 26, 65, 0.06);
    --shadow-xl: 0 24px 48px rgba(0, 26, 65, 0.08);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Layout */
    --max-width: 1200px;
    --max-width-narrow: 900px;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--surface);
    color: var(--on-surface);
    line-height: 1.7;
    overflow-x: clip;
}

h1, h2, h3, h4 {
    font-family: var(--font-headline);
    line-height: 1.4;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

::selection {
    background: var(--accent-30);
}

/* Material Icons */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    vertical-align: middle;
}

/* --- Utility Classes --- */
.hide-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hide-mobile {
        display: inline;
    }
}

/* --- Dot Pattern --- */
.dot-pattern-overlay {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--accent) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
}

/* --- Squiggly Line --- */
.squiggly-line {
    background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 100 20" xmlns="http://www.w3.org/2000/svg"><path d="M0 10 Q 12.5 0 25 10 T 50 10 T 75 10 T 100 10" stroke="%236B8E23" fill="transparent" stroke-width="2" stroke-linecap="round"/></svg>') repeat-x;
    height: 10px;
    width: 200px;
    margin: var(--space-md) auto 0;
}

/* --- Blob Shape --- */
.blob-shape {
    border-radius: var(--radius-blob-1);
}

/* --- Hand Drawn Border --- */
.hand-drawn-border {
    border: 2px solid var(--on-surface);
    border-radius: var(--radius-hand-drawn);
}

/* --- Section Shared Styles --- */
.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--on-surface);
    text-align: center;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.section-intro {
    color: var(--on-surface-variant);
    margin-top: var(--space-lg);
    font-size: 0.95rem;
    line-height: 1.8;
}

/* --- Buttons --- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-xl);
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.95rem;
    font-family: var(--font-body);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast), background var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: scale(1.03);
}

.btn-primary:active {
    transform: scale(0.97);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) var(--space-xl);
    background: var(--surface-white);
    color: var(--on-surface);
    border: 2px solid var(--accent);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.95rem;
    font-family: var(--font-body);
    transition: background var(--transition-fast), transform var(--transition-fast);
    cursor: pointer;
}

.btn-secondary:hover {
    background: var(--surface-variant);
    transform: scale(1.03);
}

.btn-back-home {
    position: absolute;
    top: 20px;
    left: var(--space-lg);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    color: var(--on-surface-variant);
    font-size: 0.875rem;
    z-index: 10;
    text-decoration: none;
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.btn-back-home .material-symbols-outlined {
    font-size: 1.1rem;
}

.btn-back-home:hover {
    color: var(--primary);
    transform: translateX(-4px);
}

/* ============================================
   Emphasis Sample Page / 強調装飾サンプル
   ============================================ */
.emphasis-demo-hero {
    background:
        radial-gradient(circle at top right, rgba(95, 158, 160, 0.18), transparent 32%),
        radial-gradient(circle at left bottom, rgba(210, 180, 140, 0.24), transparent 34%),
        var(--surface);
}

.emphasis-demo-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 4vw, 2.5rem);
}

.emphasis-demo-visual-content {
    width: min(100%, 420px);
    background: rgba(255, 255, 255, 0.82);
    border: 2px dashed var(--accent);
    border-radius: var(--radius-xl);
    padding: clamp(1.25rem, 3vw, 2rem);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(4px);
}

.emphasis-demo-visual-content h2 {
    font-size: clamp(1.45rem, 3vw, 2rem);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.emphasis-demo-visual-content p {
    font-size: 0.95rem;
    color: var(--on-surface-variant);
    line-height: 1.9;
}

.emphasis-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: var(--space-md);
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-full);
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.emphasis-intro-section {
    overflow: hidden;
}

.emphasis-intro-container {
    align-items: start;
}

.emphasis-intro-body {
    max-width: 58ch;
}

.emphasis-mini-showcase {
    align-self: stretch;
}

.emphasis-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-xl);
}

.emphasis-card {
    position: relative;
    z-index: 1;
    padding: clamp(1.25rem, 3vw, 1.75rem);
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(60, 60, 60, 0.08);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(6px);
}

.emphasis-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, rgba(107, 142, 35, 0.2), rgba(95, 158, 160, 0.16), rgba(210, 180, 140, 0.24));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.emphasis-card-head {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.emphasis-card-head .material-symbols-outlined {
    color: var(--primary);
    font-size: 1.55rem;
}

.emphasis-card-head h3 {
    font-size: 1.05rem;
}

.emphasis-card-sample {
    font-size: 1rem;
    line-height: 1.95;
    margin-bottom: var(--space-md);
}

.emphasis-card-note {
    font-size: 0.85rem;
    color: var(--on-surface-variant);
    line-height: 1.8;
}

.emphasis-comparison-section {
    background: linear-gradient(180deg, rgba(250, 249, 246, 0.9), rgba(242, 239, 233, 0.95));
}

.emphasis-comparison-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.emphasis-comparison-item {
    background: var(--surface-white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(60, 60, 60, 0.08);
    text-align: left;
}

.emphasis-comparison-title {
    font-size: 1rem;
    margin-bottom: var(--space-sm);
}

.emphasis-comparison-item p {
    color: var(--on-surface-variant);
    line-height: 1.9;
    font-size: 0.95rem;
}

.emphasis-final-section .final-cta-title,
.emphasis-final-section .final-cta-body {
    position: relative;
    z-index: 1;
}

.emphasis-bold {
    font-weight: 800;
    color: var(--on-surface);
}

.emphasis-marker,
.emphasis-marker-strong {
    display: inline;
    font-weight: 700;
    background-repeat: no-repeat;
    background-position: 0 88%;
    background-size: 100% 0.72em;
    padding: 0 0.08em;
}

.emphasis-marker {
    background-image: linear-gradient(transparent 40%, rgba(210, 180, 140, 0.65) 40%);
}

.emphasis-marker-strong {
    background-image: linear-gradient(transparent 35%, rgba(107, 142, 35, 0.25) 35%);
    color: var(--on-surface);
}

.emphasis-underline,
.emphasis-underline-wave {
    font-weight: 700;
    text-decoration-line: underline;
    text-decoration-thickness: 0.22em;
    text-underline-offset: 0.15em;
    text-decoration-skip-ink: none;
}

.emphasis-underline {
    text-decoration-color: rgba(95, 158, 160, 0.55);
}

.emphasis-underline-wave {
    text-decoration-style: wavy;
    text-decoration-color: rgba(210, 180, 140, 0.95);
}

.emphasis-pill,
.emphasis-label,
.emphasis-bracket {
    display: inline-block;
    font-weight: 700;
}

.emphasis-pill {
    padding: 0.15em 0.7em;
    border-radius: var(--radius-full);
    background: var(--primary-light);
    color: var(--primary-hover);
    border: 1px solid rgba(107, 142, 35, 0.18);
}

.emphasis-label {
    padding: 0.08em 0.55em 0.12em;
    border-radius: 0.5rem;
    background: var(--dark);
    color: #fff;
    box-shadow: inset 0 -2px 0 rgba(255, 255, 255, 0.14);
}

.emphasis-bracket {
    position: relative;
    padding: 0 0.55em;
    color: var(--dark);
}

.emphasis-bracket::before,
.emphasis-bracket::after {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--accent);
    font-weight: 900;
    font-size: 1.1em;
}

.emphasis-bracket::before {
    content: '⟦';
    left: -0.18em;
}

.emphasis-bracket::after {
    content: '⟧';
    right: -0.18em;
}

@media (max-width: 768px) {
    .emphasis-demo-visual-content {
        width: 100%;
    }

    .emphasis-grid {
        gap: var(--space-lg);
    }

    .emphasis-comparison-list {
        margin-top: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .btn-back-home {
        top: 14px;
        left: var(--space-md);
    }
}

/* --- Scroll Reveal Animation --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ============================================
   Section 1: Hero / ファーストビュー
   ============================================ */
.hero {
    position: relative;
    padding: 56px 0 56px 0;
    overflow: hidden;
}

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

@media (min-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr 1.1fr;
        gap: var(--space-2xl);
    }
}

.hero-text {
    padding: 0;
}

@media (max-width: 1023px) {
    .hero-text {
        padding: 0 0 var(--space-md) 0;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.25rem var(--space-md);
    border-radius: var(--radius-full);
    background: var(--accent-light);
    color: var(--on-surface);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.hero-badge .material-symbols-outlined {
    font-size: 0.9rem;
}

.hero-title {
    font-size: clamp(2.2rem, 6vw, 3.5rem);
    font-weight: 700;
    color: var(--on-surface);
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-title-highlight {
    position: relative;
    display: inline-block;
}

.hero-title-highlight::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 12px;
    background: var(--accent-30);
    border-radius: var(--radius-full);
    z-index: -1;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
    color: var(--on-surface-variant);
    font-weight: 500;
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-body {
    font-size: 0.95rem;
    color: var(--on-surface-variant);
    margin-bottom: var(--space-xl);
    line-height: 1.9;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-image-frame {
    border-radius: var(--radius-2xl);
    background: var(--surface-white);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    border: 3px solid var(--accent-30);
    box-shadow: var(--shadow-lg), 0 0 0 6px var(--accent-light);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hero-image-frame:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl), 0 0 0 6px var(--accent-light);
}

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

.hero-annotation {
    position: absolute;
    bottom: -16px;
    left: -16px;
    background: var(--surface-white);
    padding: var(--space-md);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--accent);
    transform: rotate(-2deg);
    max-width: 200px;
    z-index: 2;
}

.hero-annotation-tag {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--on-surface);
    margin-bottom: 2px;
}

.tag-hash {
    color: var(--secondary);
}

.hero-annotation-text {
    font-size: 0.625rem;
    color: var(--on-surface-variant);
    line-height: 1.5;
}

/* ============================================
   Section 2: AIKnowについて
   ============================================ */
.about-section {
    padding: var(--space-4xl) 0;
    background: var(--surface-variant);
}

.about-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .about-container {
        grid-template-columns: 1fr 1fr;
    }
}

.about-title {
    text-align: left;
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.about-lead {
    font-size: clamp(1.2rem, 2.5vw, 1.45rem);
    color: var(--on-surface);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.about-title span {
    color: var(--primary);
}

.about-body {
    font-size: 1rem;
    color: var(--on-surface-variant);
    line-height: 1.9;
    margin-bottom: var(--space-lg);
}

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

.about-card {
    padding: var(--space-lg);
    background: var(--surface-white);
    border: 2px solid var(--on-surface);
    border-radius: var(--radius-hand-drawn);
    transition: transform var(--transition-normal);
    cursor: default;
}

.about-card-1 { transform: rotate(-1deg); }
.about-card-1:hover { transform: rotate(1deg); }
.about-card-2 { transform: rotate(2deg); margin-top: var(--space-lg); }
.about-card-2:hover { transform: rotate(0deg); }
.about-card-3 { transform: rotate(-1deg); }
.about-card-3:hover { transform: rotate(1deg); }
.about-card-4 { transform: rotate(1deg); margin-top: var(--space-lg); }
.about-card-4:hover { transform: rotate(-1deg); }

.about-card-icon {
    font-size: 1.8rem;
    margin-bottom: var(--space-sm);
    display: block;
}

.icon-primary { color: var(--primary); }
.icon-secondary { color: var(--secondary); }
.icon-accent { color: var(--accent); }
.icon-dark { color: var(--on-surface); }

.about-card-title {
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.about-card-desc {
    font-size: 0.7rem;
    color: var(--on-surface-variant);
    line-height: 1.5;
}

/* ============================================
   Section 3: 4つの関わり方
   ============================================ */
.four-ways-section {
    position: relative;
    padding: var(--space-4xl) 0;
    overflow: hidden;
}

.four-ways-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
    position: relative;
    z-index: 1;
}

.mini-cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}

@media (min-width: 640px) {
    .mini-cards-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .mini-cards-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.mini-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-lg);
}

.mini-card-circle {
    width: 128px;
    height: 128px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    position: relative;
    transition: transform var(--transition-normal);
}

.mini-card:hover .mini-card-circle {
    transform: scale(1.1);
}

.mini-card-circle-primary { background: var(--primary-light); }
.mini-card-circle-primary .material-symbols-outlined { color: var(--primary); font-size: 3rem; }

.mini-card-circle-secondary { background: var(--secondary-light); }
.mini-card-circle-secondary .material-symbols-outlined { color: var(--secondary); font-size: 3rem; }

.mini-card-circle-accent { background: var(--accent-light); }
.mini-card-circle-accent .material-symbols-outlined { color: var(--on-surface); font-size: 3rem; }

.mini-card-circle-dark { background: var(--on-surface-light); }
.mini-card-circle-dark .material-symbols-outlined { color: var(--on-surface); font-size: 3rem; }

.mini-card-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    color: #fff;
    white-space: nowrap;
}

.badge-primary { background: var(--primary); }
.badge-secondary { background: var(--secondary); }
.badge-accent { background: var(--accent); color: var(--on-surface); }
.badge-dark { background: var(--on-surface); }

.mini-card-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.mini-card-desc {
    font-size: 0.85rem;
    color: var(--on-surface-variant);
    line-height: 1.7;
    padding: 0 var(--space-md);
}

/* ============================================
   Section 4: あなたに近いのはどれですか？
   ============================================ */
.match-section {
    padding: var(--space-4xl) 0;
    background: var(--surface-variant);
}

.match-container {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.match-lead {
    text-align: center;
    color: var(--on-surface-variant);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-2xl);
    font-size: 1rem;
}

.match-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.match-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-xl);
    background: var(--surface-white);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    cursor: default;
}

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

.match-item-label {
    flex: 1;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--on-surface);
}

.match-arrow {
    color: var(--accent);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.match-item-role {
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-full);
    white-space: nowrap;
    color: #fff;
    flex-shrink: 0;
}

.role-primary { background: var(--primary); }
.role-secondary { background: var(--secondary); }
.role-accent { background: var(--accent); color: var(--on-surface); }
.role-dark { background: var(--dark); }

.match-advice {
    text-align: center;
    color: var(--on-surface-variant);
    font-size: 0.9rem;
    line-height: 1.8;
    padding: 0 var(--space-md);
}

/* ============================================
   Section 5: 募集一覧
   ============================================ */
.roles-section {
    padding: var(--space-4xl) 0;
    background: var(--surface-variant);
}

.roles-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* Role Card */
.role-card {
    background: var(--surface-white);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition-normal);
    margin-bottom: var(--space-3xl);
    position: relative;
}

.role-card:hover {
    box-shadow: var(--shadow-lg);
}

/* Glow effect on hover */
.role-card::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: calc(var(--radius-2xl) + 10px);
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
    z-index: -1;
}

.role-card:hover::before {
    opacity: 1;
}

#role-database::before { background: radial-gradient(ellipse at center, rgba(107,142,35,0.12) 0%, transparent 70%); }
#role-sns::before { background: radial-gradient(ellipse at center, rgba(95,158,160,0.12) 0%, transparent 70%); }
#role-education::before { background: radial-gradient(ellipse at center, rgba(210,180,140,0.15) 0%, transparent 70%); }
#role-methodology::before { background: radial-gradient(ellipse at center, rgba(60,60,60,0.08) 0%, transparent 70%); }

@media (min-width: 1024px) {
    .role-card {
        flex-direction: row;
    }
    .role-card-reverse {
        flex-direction: row-reverse;
    }
}

.role-card-visual {
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 1024px) {
    .role-card-visual {
        width: 40%;
        flex-shrink: 0;
    }
}

.role-card-visual-primary { background: var(--primary-light); }
.role-card-visual-secondary { background: var(--secondary-light); }
.role-card-visual-accent { background: var(--accent-light); }
.role-card-visual-dark { background: var(--on-surface-light); }

.role-card-image-frame {
    overflow: hidden;
    width: 100%;
    height: 100%;
    aspect-ratio: 3 / 4;
}

.role-card-image-frame:hover img {
    transform: scale(1.05);
}

.role-card-image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.role-card-content {
    padding: var(--space-2xl);
    flex: 1;
}

@media (min-width: 1024px) {
    .role-card-content {
        width: 60%;
    }
}

.role-card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.role-badge {
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.25rem var(--space-sm);
    border-radius: var(--radius-full);
    color: #fff;
}

.role-badge-primary { background: var(--primary); }
.role-badge-secondary { background: var(--secondary); }
.role-badge-accent { background: var(--accent); color: var(--on-surface); }
.role-badge-dark { background: var(--dark); }

.role-card-title {
    font-size: clamp(1.5rem, 3vw, 1.8rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.role-card-oneliner {
    font-size: 0.95rem;
    color: var(--on-surface-variant);
    font-weight: 500;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 2px dashed var(--accent-30);
}

.role-card-body {
    font-size: 0.9rem;
    color: var(--on-surface-variant);
    line-height: 1.9;
    margin-bottom: var(--space-xl);
}

.role-card-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: var(--surface);
    border-radius: var(--radius-xl);
}

@media (min-width: 640px) {
    .role-card-details {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

.role-detail-heading {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--on-surface);
    margin-bottom: var(--space-sm);
    font-family: var(--font-body);
}

.role-detail-heading .material-symbols-outlined {
    font-size: 1.1rem;
    color: var(--primary);
}

.role-detail-list li {
    font-size: 0.8rem;
    color: var(--on-surface-variant);
    line-height: 1.7;
    padding-left: var(--space-md);
    position: relative;
}

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

/* Role Buttons */
.btn-role {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-xl);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
    font-family: var(--font-body);
    color: #fff;
    transition: opacity var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.btn-role:hover {
    opacity: 0.9;
    transform: scale(1.03);
    box-shadow: var(--shadow-md);
}

.btn-role .material-symbols-outlined {
    font-size: 1.1rem;
    transition: transform var(--transition-fast);
}

.btn-role:hover .material-symbols-outlined {
    transform: translateX(4px);
}

.btn-role-primary { background: var(--primary); }
.btn-role-secondary { background: var(--secondary); }
.btn-role-accent { background: var(--accent); color: var(--on-surface); }
.btn-role-dark { background: var(--dark); }

/* ============================================
   Section 6: 参加後の流れ
   ============================================ */
.process-section {
    padding: var(--space-4xl) 0;
    background: var(--surface);
}

.process-container {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.process-title {
    text-decoration: underline;
    text-decoration-color: var(--accent-30);
    text-underline-offset: 8px;
    margin-bottom: var(--space-lg);
}

.process-lead {
    text-align: center;
    color: var(--on-surface-variant);
    margin-bottom: var(--space-3xl);
    font-size: 0.95rem;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
    position: relative;
    margin-bottom: var(--space-2xl);
}

.process-line {
    display: none;
}

@media (min-width: 768px) {
    .process-line {
        display: block;
        position: absolute;
        left: 40px;
        top: 0;
        bottom: 0;
        width: 4px;
        background: var(--accent-light);
        border-radius: var(--radius-full);
        z-index: 0;
    }
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

@media (min-width: 768px) {
    .process-step {
        flex-direction: row;
    }
}

.process-step-number {
    width: 80px;
    height: 80px;
    min-width: 80px;
    background: var(--accent);
    color: var(--on-surface);
    font-family: var(--font-headline);
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    z-index: 1;
    flex-shrink: 0;
}

.speech-bubble {
    position: relative;
    background: var(--surface-white);
    border: 2px solid var(--accent);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    flex-grow: 1;
}

.speech-bubble::after {
    content: '';
    position: absolute;
    border-style: solid;
}

@media (min-width: 768px) {
    .speech-bubble::after {
        left: -10px;
        top: 50%;
        transform: translateY(-50%);
        border-width: 10px 10px 10px 0;
        border-color: transparent var(--accent) transparent transparent;
    }
}

@media (max-width: 767px) {
    .speech-bubble::after {
        top: -10px;
        left: 50%;
        transform: translateX(-50%);
        border-width: 0 10px 10px;
        border-color: transparent transparent var(--accent);
    }
}

.process-step-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    font-family: var(--font-body);
}

.process-step-desc {
    font-size: 0.85rem;
    color: var(--on-surface-variant);
    line-height: 1.6;
}

.process-note {
    text-align: center;
    color: var(--on-surface-variant);
    font-size: 0.9rem;
    line-height: 1.8;
    padding: var(--space-xl);
    background: var(--surface-variant);
    border-radius: var(--radius-xl);
}

/* ============================================
   Section 7: FAQ
   ============================================ */
.faq-section {
    padding: var(--space-4xl) 0;
    background: rgba(242, 239, 233, 0.5);
}

.faq-container {
    max-width: var(--max-width-narrow);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.faq-container .section-title {
    margin-bottom: var(--space-3xl);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.faq-item {
    background: var(--surface-white);
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    cursor: default;
}

.faq-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    font-family: var(--font-body);
}

.faq-icon {
    color: var(--primary);
    font-size: 1.3rem;
    flex-shrink: 0;
}

.faq-answer {
    color: var(--on-surface-variant);
    line-height: 1.8;
    font-size: 0.9rem;
    padding-left: calc(1.3rem + var(--space-sm));
}

/* ============================================
   Section 8: 最後の案内 (Final CTA)
   ============================================ */
.final-cta-section {
    position: relative;
    padding: calc(var(--space-4xl) + 2rem) 0;
    /* 100点のベース：オーガニックで絶妙な淡いマルチグラデーション */
    background-color: #fbfaf8; /* 暖かみのあるエアリー・ホワイト */
    background-image: 
        radial-gradient(at 10% 0%, rgba(143, 188, 143, 0.12) 0px, transparent 50%), /* 淡いセージグリーン */
        radial-gradient(at 90% 10%, rgba(255, 239, 213, 0.3) 0px, transparent 50%), /* 優しいピーチ */
        radial-gradient(at 15% 90%, rgba(135, 206, 235, 0.08) 0px, transparent 50%), /* 淡いスカイ */
        radial-gradient(at 85% 90%, rgba(222, 184, 135, 0.12) 0px, transparent 50%); /* サンドベージュ */
    color: var(--on-surface);
    text-align: center;
    overflow: hidden;
    /* セクションに微かな奥行きを与えるインナーシャドウ */
    box-shadow: inset 0 20px 40px -20px rgba(0, 0, 0, 0.02);
}

/* 高級感を演出するノイズテクスチャ（微細なフィルムの粒子感・すりガラスの質感） */
.final-cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.35;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    mix-blend-mode: multiply;
}

.final-cta-blobs {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

/* 命を吹き込む動的なハイライト（透明感のある白い光沢が微かに動く） */
.final-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    animation: premiumFloat 22s cubic-bezier(0.4, 0, 0.2, 1) infinite alternate;
}

.final-blob-1 {
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0) 70%);
    top: -30%;
    left: -20%;
}

.final-blob-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0) 70%);
    bottom: -20%;
    right: -10%;
    animation-delay: -11s;
}

@keyframes premiumFloat {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); }
    100% { transform: translate(120px, -90px) scale(1.15) rotate(5deg); }
}

.final-cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    position: relative;
    z-index: 1;
}

.final-cta-title {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    font-weight: 700;
    margin-bottom: var(--space-xl);
    line-height: 1.4;
    color: var(--on-surface);
}

.final-cta-body {
    font-size: 1rem;
    color: var(--on-surface-variant);
    margin-bottom: var(--space-2xl);
    line-height: 1.8;
    font-weight: 500;
}

.btn-final-cta {
    display: inline-block;
    padding: var(--space-md) var(--space-3xl);
    background: var(--primary);
    color: #fff;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 1.1rem;
    font-family: var(--font-body);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.btn-final-cta:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.btn-final-cta:active {
    transform: scale(0.95);
}

/* ============================================
   Responsive Fine-Tuning
   ============================================ */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        justify-content: center;
    }

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

    .about-card-2,
    .about-card-4 {
        margin-top: 0;
    }

    .match-item {
        flex-wrap: wrap;
        gap: var(--space-xs);
    }

    .match-item-label {
        flex-basis: 100%;
    }

    .match-arrow {
        display: none;
    }

    .role-card-details {
        grid-template-columns: 1fr;
    }

    .process-step-number {
        width: 60px;
        height: 60px;
        min-width: 60px;
        font-size: 1.2rem;
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .dot-pattern-overlay,
    .hero-annotation,
    .final-cta-blobs {
        display: none;
    }

    .role-card {
        break-inside: avoid;
    }
}