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

:root {
    --bg-white: #ffffff;
    --primary-color: #6B1B4D;
    --text-primary: #1a1a1a;
    --text-secondary: #4a4a4a;
    --border-color: #e5e5e5;
    --card-hover: #fafafa;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-white);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'cv11', 'ss01';
}

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

header {
    padding: 48px 0 24px 0;
}

.logo {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #6B1B4D;
    margin-bottom: 8px;
    text-wrap: balance;
}

.tagline {
    font-size: 17px;
    color: var(--text-secondary);
    font-weight: 400;
    text-wrap: balance;
}

.intro {
    margin-bottom: 48px;
}

.intro p {
    font-size: 17px;
    line-height: 1.7;
    color: var(--text-secondary);
    max-width: 800px;
}

.section-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 32px;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    text-wrap: balance;
}

main {
    padding: 48px 0 80px 0;
}

.policy-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    scroll-snap-type: y mandatory;
    overflow-y: auto;
}

.policy-card {
    position: relative;
    padding: 24px 24px 64px 24px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: var(--bg-white);
    scroll-snap-align: start;
}

.feedback-buttons {
    position: absolute;
    bottom: 16px;
    right: 16px;
    display: flex;
    gap: 8px;
    z-index: 10;
}

.feedback-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-white);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.feedback-btn:hover {
    background-color: var(--card-hover);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.feedback-btn.active-up {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.feedback-btn.active-down {
    background-color: #9e9e9e;
    border-color: #9e9e9e;
    color: white;
}

.feedback-btn svg {
    width: 18px;
    height: 18px;
    transition: opacity 0.2s ease;
}

.feedback-btn .thumb-icon,
.feedback-btn .heart-icon {
    position: absolute;
}

.feedback-btn.active-up .thumb-icon {
    opacity: 0;
    animation: fadeOut 0.3s ease-out forwards;
}

.feedback-btn.active-up .heart-icon {
    display: block !important;
    animation: heartPop 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes fadeOut {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0.5);
    }
}

@keyframes heartPop {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    50% {
        opacity: 1;
        transform: scale(1.35);
    }
    65% {
        transform: scale(0.95);
    }
    80% {
        transform: scale(1.05);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.policy-icon {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
}

.policy-icon svg {
    display: block;
}

.policy-title {
    font-size: 20px;
    font-weight: 900;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
    line-height: 1.2;
    color: var(--text-primary);
    text-wrap: balance;
}

.policy-content h4 {
    font-size: 15px;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.4;
    text-wrap: balance;
}

.policy-content h4:first-child {
    margin-top: 0;
}

.policy-content p {
    font-size: 14px;
    line-height: 1.55;
    color: var(--text-secondary);
    font-weight: 400;
}

.democracy-section {
    margin-top: 64px;
}

.democracy-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.democracy-item {
    padding: 32px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background-color: var(--bg-white);
}

.democracy-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
    line-height: 1.4;
    text-wrap: balance;
}

.democracy-item p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }

    header {
        padding: 64px 0 32px 0;
    }

    .logo {
        font-size: 32px;
    }

    main {
        padding: 64px 0 64px 0;
    }

    .policy-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
        scroll-snap-type: none;
        overflow-y: visible;
    }
}

@media (min-width: 768px) {
    .tagline {
        font-size: 18px;
    }

    .intro p {
        font-size: 18px;
    }

    .section-title {
        font-size: 26px;
    }

    .democracy-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

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

    .policy-card {
        padding: 32px 48px 72px 48px;
    }

    .policy-title {
        font-size: 22px;
    }

    .policy-content h4 {
        font-size: 16px;
    }

    .policy-content p {
        font-size: 14px;
    }

    .democracy-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .democracy-item h4 {
        font-size: 19px;
    }

    .democracy-item p {
        font-size: 16px;
    }
}