:root {
    --primary-color: #728D53;
    --bg-intro: #EEECC4;
    --bg-features: #DBE9DE;
    --bg-demo: #EADFE4;
    --bg-social: #F1EFF5;
    --footer-bg: #89B399;
}

/* 07NikumaruFont Font */
@font-face {
  font-family: "07NikumaruFont";
  src: url("assets/fonts/07NikumaruFont/07NikumaruFont.otf") format("opentype"),
       url("assets/fonts/07NikumaruFont/07NikumaruFont.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

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

body {
    font-family: "07NikumaruFont", sans-serif;
    color: #333;
    line-height: 1.5;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    width: 100%;
}

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

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

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

/* Header */
.header-pc {
    display: block;
    padding: 24px 0;
    position: relative;
    z-index: 100;
}

.header-mobile {
    display: none;
    padding: 20px 0;
}

.header-pc .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 46px;
}

.header-btns {
    display: flex;
    gap: 16px;
}

.btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    border: none;
    color: white;
    font-weight: 800;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn:hover {
    opacity: 0.9;
}

.btn img {
    width: 20px;
    height: 20px;
}

.btn-app-store { background-color: #728D53; }
.btn-google-play { background-color: #695190; }
.btn-apk { background-color: #000; }

/* Sections */
.section {
    padding: 80px 0;
    position: relative;
}

.section-intro {
    background-color: var(--bg-intro);
    background-image: url(assets/images/texture_01.png);
    background-size: cover;
    padding-top: 40px;
}

.intro-content {
    position: relative;
}

.bubble-icon {
    position: absolute;
    top: -40px;
    right: 20%;
    width: 60px;
}

h1 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 24px;
}

.intro-img {
    margin-bottom: 30px;
}

.download-text {
    color: var(--primary-color);
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 16px;
}

.download-btns {
    display: flex;
    gap: 12px;
}

.download-btns img {
    height: 48px;
    cursor: pointer;
}

/* Carousel */
.carousel-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.carousel-bg {
    width: 100%;
    max-width: 510px;
}

.carousel-images {
    position: absolute;
    width: 72%;
    aspect-ratio: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.carousel-images img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.carousel-images img.active {
    opacity: 1;
}

/* Banners */
.banner {
    width: 100%;
    height: 260px;
    display: flex;
    align-items: center;
    position: absolute;
    bottom: -100px;
    left: 0;
    z-index: 20;
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    padding-top: 40px;
}

.banner-content p {
    font-size: 32px;
    font-weight: 500;
    color: #6A4000;
}

.banner-content img {
    max-width: 200px;
    cursor: pointer;
}

.banner-1 {
    background-image: url(assets/images/pc/banner_bg_01.png);
    bottom: -60px;
}

.banner-1 p { transform: rotate(-1deg); margin-top: 24px; }

.banner-2 {
    background-image: url(assets/images/pc/banner_bg_02.png);
    bottom: -40px;
}

.banner-2 p { color: white; transform: rotate(1deg); }

.banner-3 {
    background-image: url(assets/images/pc/banner_bg_03.png);
    bottom: -65px;
}

.banner-3 p { color: white; transform: rotate(-2deg); margin-top: 32px; }

/* Features */
.section-features {
    background-color: var(--bg-features);
    background-image: url(assets/images/texture_02.png);
    padding-top: 160px;
    padding-bottom: 200px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.card {
    position: relative;
    border-radius: 20px;
    overflow: visible;
}

.decoration {
    position: absolute;
    width: 44px;
    height: 44px;
}

.decoration-top-right { top: -20px; right: 10px; }
.decoration-bottom-right { bottom: -10px; right: -10px; }

/* Demo */
.section-demo {
    background-color: var(--bg-demo);
    background-image: url(assets/images/texture_03.png);
    padding-top: 180px;
    padding-bottom: 240px;
}

.demo-bg {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translate(-30%, -50%);
    max-width: 810px;
    z-index: 0;
}

.demo-content {
    display: flex;
    justify-content: flex-end;
    position: relative;
    z-index: 10;
}

.demo-content img {
    max-width: 918px;
}

/* Social */
.section-social {
    background-color: var(--bg-social);
    background-image: url(assets/images/texture_01.png);
    padding: 120px 0;
}

.social-bg {
    background-image: url(assets/images/pc/card_bg.png);
    background-size: 100% 100%;
    padding: 60px 20px;
    text-align: center;
    border-radius: 40px;
}

.decoration-social {
    margin-bottom: 20px;
}

.section-title {
    font-size: 38px;
    margin-bottom: 30px;
}

.download-fill-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.download-fill-btns img {
    max-width: 186px;
    cursor: pointer;
}

.social-text {
    font-size: 24px;
    margin-bottom: 30px;
}

.social-btns {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 60px;
}

.social-btns img {
    width: 48px;
}

.social-footer-img {
    position: absolute;
    bottom: -40px;
    right: 20px;
}

.social-footer-img img {
    max-width: 250px;
    transform: rotate(3deg);
}

/* Footer */
.footer {
    width: 100%;
    position: relative;
    z-index: 10;
    margin-top: -80px;
    background-image: url(assets/icons/footer_mobile.svg);
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
    padding-top: 120px;
    padding-bottom: 40px;
}

.footer-container {
    max-width: 1280px;
}

.footer-content {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 32px;
}

.footer-logo {
    max-width: 167px;
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-nav a {
    color: white;
    text-decoration: none;
    font-size: 14px;
    white-space: nowrap;
}

.footer-nav a:hover {
    color: #eee;
}

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    color: white;
    font-size: 12px;
}

@media (min-width: 1280px) {
    .footer {
        background-image: url(assets/icons/footer_pc.svg);
        padding-top: 160px;
    }

    .footer-content {
        max-width: none;
    }

    .footer-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 48px;
    }

    .footer-nav {
        flex-direction: row;
        gap: 32px;
        flex: 1;
        justify-content: center;
    }

    .footer-nav a {
        font-size: 16px;
    }

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

.mobile-only { display: none; }

/* Responsive */
@media (max-width: 1279px) {
    .header-pc { display: none; }
    .header-mobile { display: block; }
    
    .grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .intro-content {
        order: 1;
        text-align: center;
    }
    
    .intro-carousel {
        order: 2;
    }
    
    .bubble-icon {
        right: auto;
        left: 50%;
        transform: translateX(100px);
    }
    
    h1 {
        font-size: 24px;
    }
    
    .download-btns, .header-btns {
        justify-content: center;
    }
    
    .download-btns img {
        height: 36px;
    }
    
    .carousel-bg {
        max-width: 334px;
    }
    
    .carousel-images {
        width: 72%;
    }
    
    .banner {
        height: 180px;
    }
    
    .banner-content {
        flex-direction: column;
        gap: 10px;
        padding-top: 20px;
    }
    
    .banner-content p {
        font-size: 14px;
        text-align: center;
    }
    
    .banner-content img {
        max-width: 120px;
    }
    
    .mobile-only { display: inline; }
    
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .section-features {
        padding-top: 100px;
    }
    
    .demo-bg {
        max-width: 100%;
        transform: translate(-10%, -50%);
    }
    
    .demo-content {
        justify-content: center;
    }
    
    .social-bg {
        padding: 40px 10px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .download-fill-btns img {
        max-width: 100px;
    }
    
    .social-text {
        font-size: 18px;
    }
    
    .footer-top {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-nav {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
}