/* ===========================
   リセット & ベース設定
   =========================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-primary: #FF6B35;
    --color-secondary: #004E89;
    --color-accent: #F7B801;
    --color-text: #2C2C2C;
    --color-text-light: #666666;
    --color-bg: #FFFFFF;
    --color-bg-light: #F8F9FA;
    --color-border: #E0E0E0;

    --color-bronze: #CD7F32;
    --color-silver: #C0C0C0;
    --color-gold: #FFD700;
    --color-premium: #9B59B6;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    --border-radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--color-text);
    line-height: 1.8;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

html {
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
    box-sizing: border-box;
}

/* ===========================
   ヒーローセクション
   =========================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('hero_background.jpg') center center / cover no-repeat;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 78, 137, 0.85) 0%, rgba(255, 107, 53, 0.75) 100%);
    animation: heroAnimation 20s ease-in-out infinite;
}

@keyframes heroAnimation {
    0%, 100% { opacity: 0.9; }
    50% { opacity: 0.85; }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: white;
    padding: var(--spacing-md);
    max-width: 900px;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.hero-title-main {
    font-size: clamp(1.8rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.3;
    text-shadow:
        2px 2px 4px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.hero-title-sub {
    font-size: clamp(1rem, 2.5vw, 1.8rem);
    font-weight: 600;
    text-shadow:
        1px 1px 3px rgba(0, 0, 0, 0.5),
        0 0 15px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.2s backwards;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.hero-description {
    font-size: clamp(0.9rem, 1.8vw, 1.3rem);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    text-shadow:
        1px 1px 3px rgba(0, 0, 0, 0.5),
        0 0 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease-out 0.4s backwards;
    max-width: 100%;
    padding: 0 10px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: var(--color-accent);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    background: #FFD700;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: white;
    animation: fadeInUp 1s ease-out 0.8s backwards;
}

.scroll-indicator span {
    font-size: 0.8rem;
    letter-spacing: 2px;
    opacity: 0.8;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: white;
    opacity: 0.6;
    animation: scrollAnimation 2s ease-in-out infinite;
}

@keyframes scrollAnimation {
    0%, 100% { height: 40px; opacity: 0.6; }
    50% { height: 20px; opacity: 0.3; }
}

/* ===========================
   共通セクションスタイル
   =========================== */

section {
    padding: var(--spacing-xl) 0;
    width: 100%;
    overflow-x: hidden;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-label {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===========================
   Funding Gauge セクション
   =========================== */

.funding-gauge {
    padding: 60px 0;
    background: #FFF8E7;
    color: #2C2C2C;
}

.funding-gauge .section-label {
    color: var(--color-accent);
}

.funding-gauge .section-title {
    color: var(--color-text);
}

.gauge-container {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.7);
    padding: 40px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* マイルストーン */
.milestones {
    position: relative;
    width: 100%;
    height: 100px;
    margin-bottom: 15px;
}

.milestone {
    position: absolute;
    bottom: 0;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    animation: floatIn 0.8s ease-out backwards;
}

.milestone[data-percent="40"] {
    left: 40%;
    animation-delay: 0.2s;
}

.milestone[data-percent="65"] {
    left: 65%;
    animation-delay: 0.4s;
}

.milestone[data-percent="100"] {
    left: 100%;
    animation-delay: 0.6s;
}

@keyframes floatIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.milestone-marker {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    border-radius: 50%;
    border: 4px solid white;
    box-shadow:
        0 4px 15px rgba(255, 107, 53, 0.4),
        0 0 0 8px rgba(255, 184, 1, 0.1),
        inset 0 2px 4px rgba(255, 255, 255, 0.5);
    position: relative;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow:
            0 4px 15px rgba(255, 107, 53, 0.4),
            0 0 0 8px rgba(255, 184, 1, 0.1),
            inset 0 2px 4px rgba(255, 255, 255, 0.5);
    }
    50% {
        transform: scale(1.1);
        box-shadow:
            0 6px 20px rgba(255, 107, 53, 0.6),
            0 0 0 12px rgba(255, 184, 1, 0.2),
            inset 0 2px 4px rgba(255, 255, 255, 0.5);
    }
}

.milestone-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 248, 231, 0.95) 100%);
    padding: 10px 16px;
    border-radius: 16px;
    box-shadow:
        0 8px 24px rgba(0, 0, 0, 0.12),
        0 2px 8px rgba(255, 107, 53, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    min-width: 70px;
    transition: all 0.3s ease;
}

.milestone-label::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 16px;
    padding: 2px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 50%, var(--color-accent) 100%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.8;
}

.milestone-label:hover {
    transform: translateY(-3px);
    box-shadow:
        0 12px 32px rgba(0, 0, 0, 0.15),
        0 4px 12px rgba(255, 107, 53, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.milestone-percent {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.milestone-copies {
    font-size: 1.3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    white-space: nowrap;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.gauge-bar {
    width: 100%;
    height: 50px;
    background: linear-gradient(135deg, rgba(220, 220, 220, 0.3) 0%, rgba(200, 200, 200, 0.3) 100%);
    border-radius: 30px;
    overflow: visible;
    margin-bottom: 30px;
    box-shadow:
        inset 0 3px 10px rgba(0, 0, 0, 0.08),
        0 2px 8px rgba(0, 0, 0, 0.05);
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.milestone-line {
    position: absolute;
    top: -8px;
    bottom: -8px;
    width: 2px;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        var(--color-primary) 20%,
        var(--color-accent) 50%,
        var(--color-primary) 80%,
        transparent 100%
    );
    opacity: 0.6;
    transform: translateX(-50%);
    z-index: 1;
    filter: drop-shadow(0 0 4px rgba(255, 107, 53, 0.3));
    animation: lineGlow 3s ease-in-out infinite;
}

@keyframes lineGlow {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 0.9;
    }
}

.gauge-fill {
    height: 100%;
    background: linear-gradient(
        90deg,
        #FFD700 0%,
        #FFA500 50%,
        #FF6B35 100%
    );
    background-size: 200% 100%;
    border-radius: 30px;
    transition: width 2s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 0 30px rgba(255, 165, 0, 0.6),
        inset 0 2px 4px rgba(255, 255, 255, 0.4),
        inset 0 -2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    z-index: 2;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.gauge-fill::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(
        to bottom,
        rgba(255, 255, 255, 0.4) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        transparent 100%
    );
    border-radius: 30px 30px 0 0;
}

.gauge-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.6) 50%,
        transparent 100%
    );
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 200%;
    }
}

.gauge-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    gap: 20px;
}

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

.current-amount {
    font-size: 2.5rem;
    font-weight: 900;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    line-height: 1;
}

.goal-amount {
    font-size: 1.1rem;
    opacity: 0.9;
    font-weight: 500;
}

.progress-percentage {
    font-size: 2.5rem;
    font-weight: 900;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    line-height: 1;
}

.backers-info {
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    font-weight: 600;
    backdrop-filter: blur(5px);
}

.backers-info span {
    font-weight: 900;
    font-size: 1.5rem;
    color: var(--color-accent);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.last-updated {
    text-align: center;
    font-size: 0.95rem;
    opacity: 0.8;
    font-weight: 400;
}

.last-updated span {
    font-weight: 600;
}

@media (max-width: 768px) {
    .gauge-container {
        padding: 25px 20px;
    }

    .milestones {
        height: 85px;
    }

    .milestone-label {
        padding: 8px 12px;
        min-width: 60px;
    }

    .milestone-percent {
        font-size: 0.7rem;
    }

    .milestone-copies {
        font-size: 1.05rem;
    }

    .milestone-marker {
        width: 16px;
        height: 16px;
        border: 3px solid white;
    }

    .gauge-bar {
        height: 40px;
    }

    .gauge-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .current-amount,
    .progress-percentage {
        font-size: 1.8rem;
    }

    .goal-amount {
        font-size: 1rem;
    }

    .backers-info {
        font-size: 1rem;
        padding: 12px;
    }

    .backers-info span {
        font-size: 1.2rem;
    }

    .last-updated {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .gauge-container {
        padding: 20px 15px;
    }

    .milestones {
        height: 75px;
    }

    .milestone-label {
        padding: 6px 10px;
        min-width: 50px;
    }

    .milestone-percent {
        font-size: 0.65rem;
    }

    .milestone-copies {
        font-size: 0.9rem;
    }

    .milestone-marker {
        width: 14px;
        height: 14px;
        border: 3px solid white;
    }

    .gauge-bar {
        height: 35px;
    }

    .current-amount,
    .progress-percentage {
        font-size: 1.5rem;
    }

    .goal-amount {
        font-size: 0.9rem;
    }

    .backers-info {
        font-size: 0.95rem;
        padding: 10px;
    }

    .backers-info span {
        font-size: 1.1rem;
    }

    .last-updated {
        font-size: 0.8rem;
    }
}

/* ===========================
   ストーリーセクション
   =========================== */

.story {
    background: var(--color-bg-light);
}

.story-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.story-block {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.story-block:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.story-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.story-text h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.story-text p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.story-message {
    margin-top: var(--spacing-lg);
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    border-left: 5px solid var(--color-primary);
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.story-message-image {
    width: 100%;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.story-message-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.story-message-image img:hover {
    transform: scale(1.03);
}

.story-message-content h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.story-message-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.9;
}

.story-message-content p:last-child {
    margin-bottom: 0;
}

.story-message-content strong {
    color: var(--color-primary);
    font-weight: 700;
}

/* ===========================
   ビジョンセクション
   =========================== */

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
    gap: var(--spacing-md);
}

.vision-card {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    text-align: center;
}

.vision-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.vision-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.vision-image {
    width: 100%;
    height: 200px;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    border-radius: var(--border-radius);
}

.vision-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: var(--transition);
}

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

.vision-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.vision-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===========================
   プランセクション
   =========================== */

.plans {
    background: var(--color-bg-light);
}

.plans-note {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    border: 3px dashed #d0d0d0;
}

.plans-note p {
    color: var(--color-text);
    font-weight: 500;
    margin: 0.8rem 0;
    font-size: 1rem;
    line-height: 1.8;
}

.plans-disclaimer {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
    border: 3px dashed #d0d0d0;
    text-align: center;
}

.plans-disclaimer p {
    color: var(--color-text);
    font-size: 0.85rem;
    line-height: 1.8;
    margin: 0;
    font-weight: 400;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
    gap: var(--spacing-md);
    align-items: stretch;
}

.plan-card {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
}

.plan-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.plan-bronze::before { background: var(--color-bronze); }
.plan-silver::before { background: var(--color-silver); }
.plan-gold::before { background: var(--color-gold); }
.plan-premium::before { background: var(--color-premium); }

.plan-badge {
    position: absolute;
    top: 15px;
    right: -30px;
    background: var(--color-accent);
    color: var(--color-text);
    padding: 4px 35px;
    font-size: 0.75rem;
    font-weight: 700;
    transform: rotate(45deg);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.premium-badge {
    background: var(--color-premium);
    color: white;
}

.plan-header {
    text-align: center;
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-bg-light);
    margin-bottom: var(--spacing-md);
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.plan-price {
    margin-bottom: var(--spacing-xs);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--color-primary);
}

.price-period {
    font-size: 1rem;
    color: var(--color-text-light);
}

.plan-monthly {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.plan-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.plan-features li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--color-bg-light);
    font-size: 0.95rem;
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

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

.feature-note {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-top: 0.2rem;
}

.plan-button {
    display: block;
    width: 100%;
    padding: 1rem;
    background: #016c38;
    color: white;
    text-align: center;
    text-decoration: none;
    font-weight: 700;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.plan-button:hover {
    background: #015028;
    transform: scale(1.02);
}

.plan-silver .plan-button {
    background: var(--color-primary);
}

.plan-silver .plan-button:hover {
    background: #E64A19;
}

.feature-special {
    font-weight: 700;
    color: var(--color-accent);
}

/* ===========================
   新機能セクション
   =========================== */

.new-feature {
    position: relative;
    background: url('LINE_ALBUM_冊子プロジェクト_251025_1.jpg') center center / cover no-repeat;
    color: white;
    overflow: hidden;
}

.new-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(40, 40, 40, 0.92) 0%, rgba(20, 20, 20, 0.92) 100%);
    z-index: 1;
}

.new-feature .container {
    position: relative;
    z-index: 2;
}

.new-feature .section-label {
    color: var(--color-accent);
}

.new-feature .section-title {
    color: white;
}

.feature-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: var(--spacing-lg);
    align-items: center;
}

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

.feature-image img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    transition: var(--transition);
}

.feature-image img:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
}

.feature-image-placeholder {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    backdrop-filter: blur(10px);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.feature-label {
    display: inline-block;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.feature-text h2 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.feature-text p {
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    opacity: 1;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.feature-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.feature-list li {
    padding: 0.7rem 0;
    padding-left: 1.5rem;
    position: relative;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

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

.feature-description {
    font-size: 1.05rem;
    font-weight: 600;
    opacity: 1;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.feature-label {
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.highlight-text {
    color: #ff6b36;
    font-weight: 700;
}

.feature-note-inline {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-left: 0.5rem;
}

.feature-link {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 700;
    transition: var(--transition);
    display: inline-block;
    margin-top: 0.5rem;
}

.feature-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ===========================
   インタビュー動画撮影セクション
   =========================== */

.interview-video {
    position: relative;
    background: url('LINE_ALBUM_冊子プロジェクト_251025_2.jpg') center center / cover no-repeat;
    color: white;
    overflow: hidden;
}

.interview-video::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 78, 137, 0.92) 0%, rgba(40, 40, 40, 0.92) 100%);
    z-index: 1;
}

.interview-video .container {
    position: relative;
    z-index: 2;
}

.interview-video .feature-label {
    color: var(--color-accent);
}

.interview-video .feature-text h2 {
    color: white;
}

.interview-video .feature-link {
    color: var(--color-accent);
}

.interview-video .feature-link:hover {
    color: white;
}

/* ===========================
   会員特典セクション
   =========================== */

.member-benefits {
    background: var(--color-bg-light);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

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

.flip-card {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 2 / 3;
    perspective: 1000px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s ease;
    transform-style: preserve-3d;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
}

@media (hover: hover) {
    .flip-card:hover .flip-card-inner {
        transform: rotateY(180deg);
    }
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.flip-card-front {
    background-color: white;
}

.flip-card-back {
    background-color: white;
    transform: rotateY(180deg);
}

.flip-card-front img,
.flip-card-back img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.benefits-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefits-period {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    padding: 1rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.benefits-description {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--color-text);
}

.benefits-note {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
}

.benefits-highlight {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.8;
    color: var(--color-secondary);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--border-radius);
    border-left: 5px solid var(--color-primary);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

/* ===========================
   制作体制セクション
   =========================== */

.production {
    background: var(--color-bg-light);
}

.production-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.production-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.production-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.production-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 4px solid var(--color-bg-light);
}

.production-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition);
}

.production-card:hover .production-image img {
    transform: scale(1.1);
}

.production-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.production-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.production-button {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
    margin-top: auto;
}

.production-button:hover {
    background: var(--color-accent);
    color: var(--color-text);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 184, 1, 0.4);
}

.production-note {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    border: 2px solid var(--color-primary);
}

.production-note p {
    color: var(--color-text);
    font-weight: 600;
    line-height: 1.8;
}

/* ===========================
   メッセージセクション
   =========================== */

.message {
    background: white;
}

.message-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.message-content h2 {
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
}

.message-body {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
    margin-bottom: var(--spacing-lg);
}

.message-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    border: 5px solid var(--color-bg-light);
}

.message-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.message-text-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.message-text {
    text-align: left;
    margin-bottom: 0;
    line-height: 1.9;
    font-size: 1.05rem;
}

.message-signature {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-border);
    text-align: right;
    font-size: 1.1rem;
}

.message-signature strong {
    font-size: 1.3rem;
    color: var(--color-primary);
}

/* ===========================
   CTAセクション
   =========================== */

.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, #E64A19 100%);
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.cta-description {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.cta-button-large {
    display: inline-block;
    padding: 1.5rem 4rem;
    background: white;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 900;
    font-size: 1.2rem;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cta-button-large:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    background: var(--color-accent);
}

/* ===========================
   フッター
   =========================== */

.footer {
    background: var(--color-text);
    color: white;
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer p {
    opacity: 0.8;
    font-size: 0.9rem;
}

/* ===========================
   レスポンシブ対応
   =========================== */

@media (max-width: 768px) {
    :root {
        --spacing-lg: 2.5rem;
        --spacing-xl: 3.5rem;
        --spacing-md: 1.5rem;
    }

    .hero {
        min-height: 500px;
    }

    .hero-content {
        padding: var(--spacing-md);
    }

    section {
        padding: var(--spacing-lg) 0;
    }

    .section-title {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }

    .story-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .plans-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .plan-card {
        padding: var(--spacing-md);
    }

    .price-amount {
        font-size: 2.2rem;
    }

    .plan-features li {
        font-size: 0.9rem;
        padding: 0.7rem 0;
    }

    .vision-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .vision-image {
        height: 220px;
    }

    .feature-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .benefits-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .flip-card {
        max-width: 350px;
    }

    .benefits-period {
        font-size: 1rem;
    }

    .benefits-description {
        font-size: 1rem;
    }

    .benefits-highlight {
        font-size: 1.05rem;
    }

    .production-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .production-image {
        width: 120px;
        height: 120px;
    }

    .message-body {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    .message-image {
        width: 150px;
        height: 150px;
        margin: 0 auto;
    }

    .message-text {
        text-align: left;
        font-size: 1rem;
    }

    .message-signature {
        text-align: center;
    }

    .story-message {
        padding: var(--spacing-md);
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .story-message-image {
        max-width: 250px;
        margin: 0 auto;
    }

    .story-message-content h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-sm: 0.8rem;
        --spacing-md: 1.2rem;
        --spacing-lg: 2rem;
        --spacing-xl: 3rem;
    }

    .container {
        padding: 0 1rem;
    }

    .hero {
        min-height: 450px;
    }

    .hero-content {
        padding: 1rem;
    }

    .hero-title {
        gap: 0.8rem;
    }

    .hero-description {
        font-size: 0.85rem;
        line-height: 1.6;
        padding: 0 5px;
    }

    .cta-button {
        padding: 1rem 1.8rem;
        font-size: 0.95rem;
        width: 100%;
        max-width: 280px;
    }

    .cta-button-large {
        padding: 1.2rem 2rem;
        font-size: 1rem;
        width: 100%;
        max-width: 320px;
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2rem);
        margin-bottom: 1rem;
    }

    .section-description {
        font-size: 0.95rem;
    }

    .plan-card {
        padding: 1.2rem;
    }

    .plan-name {
        font-size: 1.3rem;
    }

    .price-amount {
        font-size: 2rem;
    }

    .plan-features li {
        font-size: 0.85rem;
        padding: 0.6rem 0;
    }

    .feature-note {
        font-size: 0.75rem;
    }

    .plans-note {
        padding: 1.5rem 1rem;
    }

    .plans-note p {
        font-size: 0.9rem;
    }

    .plans-disclaimer {
        padding: 1.5rem 1rem;
        margin-top: 1.5rem;
    }

    .plans-disclaimer p {
        font-size: 0.8rem;
        line-height: 1.7;
    }

    .story-message {
        padding: 1.2rem;
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .story-message-image {
        max-width: 200px;
        margin: 0 auto;
    }

    .story-message-content h3 {
        font-size: 1.3rem;
        margin-bottom: 1rem;
    }

    .story-message-content p {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .story-number {
        font-size: 2.5rem;
    }

    .story-text h3 {
        font-size: 1.1rem;
    }

    .story-text p {
        font-size: 0.85rem;
    }

    .vision-card {
        padding: 1.2rem;
    }

    .vision-icon {
        font-size: 2.5rem;
    }

    .vision-image {
        height: 180px;
        margin-bottom: 1rem;
    }

    .vision-card h3 {
        font-size: 1.1rem;
    }

    .vision-card p {
        font-size: 0.85rem;
    }

    .feature-image img {
        max-width: 320px;
    }

    .feature-text h2 {
        font-size: 1.5rem;
    }

    .feature-text p,
    .feature-description {
        font-size: 0.9rem;
    }

    .benefits-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .flip-card {
        max-width: 280px;
    }

    .benefits-period {
        font-size: 0.95rem;
        padding: 0.8rem;
    }

    .benefits-description {
        font-size: 0.9rem;
    }

    .benefits-note {
        font-size: 0.8rem;
    }

    .benefits-highlight {
        font-size: 1rem;
        padding: 1rem;
    }

    .message-content h2 {
        font-size: 1.5rem;
    }

    .message-text {
        font-size: 0.9rem;
    }

    .message-signature {
        font-size: 0.95rem;
    }

    .message-signature strong {
        font-size: 1.1rem;
    }

    .scroll-indicator {
        bottom: 30px;
    }

    .scroll-indicator span {
        font-size: 0.7rem;
    }

    .scroll-line {
        height: 30px;
    }
}

/* ===========================
   アニメーション
   =========================== */

/* 花吹雪アニメーション */
@keyframes petalFall {
    0% {
        opacity: 0;
        transform: translateY(0) translateX(0) rotate(0deg);
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(100vh) translateX(var(--drift)) rotate(var(--rotation));
    }
}

/* マイルストーン達成時の強調アニメーション */
.milestone-achieved {
    animation: milestoneAchieved 2s ease-out !important;
}

@keyframes milestoneAchieved {
    0%, 100% {
        transform: translateX(-50%) scale(1);
    }
    25% {
        transform: translateX(-50%) scale(1.3) rotate(5deg);
    }
    50% {
        transform: translateX(-50%) scale(1.2) rotate(-5deg);
    }
    75% {
        transform: translateX(-50%) scale(1.25) rotate(3deg);
    }
}

.milestone-achieved .milestone-marker {
    animation: markerCelebrate 2s ease-out !important;
}

@keyframes markerCelebrate {
    0%, 100% {
        transform: scale(1);
        box-shadow:
            0 4px 15px rgba(255, 107, 53, 0.4),
            0 0 0 8px rgba(255, 184, 1, 0.1),
            inset 0 2px 4px rgba(255, 255, 255, 0.5);
    }
    50% {
        transform: scale(1.5);
        box-shadow:
            0 8px 30px rgba(255, 107, 53, 0.8),
            0 0 0 20px rgba(255, 184, 1, 0.3),
            inset 0 2px 4px rgba(255, 255, 255, 0.5);
    }
}

.milestone-achieved .milestone-label {
    animation: labelCelebrate 2s ease-out !important;
}

@keyframes labelCelebrate {
    0%, 100% {
        transform: translateY(0);
        box-shadow:
            0 8px 24px rgba(0, 0, 0, 0.12),
            0 2px 8px rgba(255, 107, 53, 0.15),
            inset 0 1px 0 rgba(255, 255, 255, 0.8);
    }
    50% {
        transform: translateY(-10px);
        box-shadow:
            0 20px 40px rgba(255, 184, 1, 0.4),
            0 5px 20px rgba(255, 107, 53, 0.5),
            inset 0 1px 0 rgba(255, 255, 255, 0.8);
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}