:root {
    --bg-main: #fffaf4;
    --bg-soft: #fff0f7;
    --bg-mint: #e9fbf5;
    --text-main: #2f2f35;
    --text-sub: #5e5d66;
    --pink: #ff7eaf;
    --pink-dark: #e95f95;
    --mint: #55c9a3;
    --yellow: #ffd972;
    --card: #ffffff;
    --border: #ffe4ef;
    --shadow: 0 12px 28px rgba(255, 126, 175, 0.15);
    --radius-lg: 24px;
    --radius-md: 16px;
    --container: 1120px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text-main);
    background: linear-gradient(180deg, #fff8f1 0%, #fffdf8 45%, #ffffff 100%);
    line-height: 1.8;
}

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

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

.container {
    width: min(var(--container), 100% - 2.4rem);
    margin-inline: auto;
}

.section {
    padding: clamp(4.8rem, 10vw, 8rem) 0;
}

.lp-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #f7ebf1;
}

.header-inner {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.lp-logo {
    margin: 0;
    font-family: 'Mochiy Pop One', sans-serif;
    font-size: clamp(1rem, 2.2vw, 1.25rem);
    color: var(--pink-dark);
}

.btn-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #f3d2e2;
    background: #ffffff;
    color: #4a4a55;
    font-weight: 700;
    font-size: 0.83rem;
    border-radius: 999px;
    padding: 0.55rem 1.2rem;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
}

.btn-back:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 16px rgba(57, 53, 67, 0.09);
}

.hero {
    position: relative;
    overflow: clip;
    padding: clamp(5.5rem, 10vw, 8.5rem) 0 clamp(4rem, 8vw, 6rem);
}

.hero-bg-shape {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.shape-a {
    width: 320px;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(255, 126, 175, 0.4) 0%, rgba(255, 126, 175, 0) 70%);
    top: -100px;
    right: -80px;
}

.shape-a::before {
    content: "🐇";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(15deg);
    font-size: 80px;
    opacity: 0.15;
}

.shape-b {
    width: 280px;
    aspect-ratio: 1;
    background: radial-gradient(circle, rgba(85, 201, 163, 0.35) 0%, rgba(85, 201, 163, 0) 70%);
    left: -120px;
    bottom: 40px;
}

.shape-b::before {
    content: "🐾";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-10deg);
    font-size: 60px;
    opacity: 0.12;
}

.hero-inner {
    display: grid;
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
    grid-template-columns: 1.1fr 0.9fr;
}

.hero-kicker {
    display: inline-block;
    margin: 0 0 1rem;
    padding: 0.4rem 1.1rem;
    border-radius: 999px;
    background: #fff0f7;
    color: var(--pink-dark);
    font-weight: 800;
    font-size: 0.9rem;
}

.hero-copy h1 {
    margin: 0;
    font-family: 'Mochiy Pop One', sans-serif;
    font-size: clamp(2.2rem, 6vw, 3.8rem);
    line-height: 1.25;
}

.hero-copy p {
    margin: 1.2rem 0 0;
    color: var(--text-sub);
    max-width: 45ch;
    font-size: 1.05rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    border-radius: 999px;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--pink) 0%, var(--pink-dark) 100%);
    color: #fff;
    padding: 0.9rem 1.6rem;
    box-shadow: var(--shadow);
}

.btn-primary:hover,
.btn-secondary:hover {
    transform: translateY(-4px) scale(1.05);
}

.btn-primary.large {
    font-size: 1.1rem;
    padding: 1.1rem 2.2rem;
}

.btn-secondary {
    border: 2px solid #f1cadc;
    background: #fff;
    color: #5d4f67;
    padding: 0.85rem 1.4rem;
}

.hero-visual {
    background: linear-gradient(180deg, #fff7fb 0%, #ffffff 100%);
    border: 1px solid #ffe8f1;
    border-radius: var(--radius-lg);
    padding: clamp(1rem, 2.5vw, 1.8rem);
    box-shadow: 0 25px 45px rgba(234, 102, 156, 0.15);
}

.hero-visual img {
    border-radius: 16px;
}

.section-head {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-head h2 {
    margin: 0;
    font-size: clamp(1.7rem, 3.8vw, 2.4rem);
    font-family: 'Mochiy Pop One', sans-serif;
    line-height: 1.4;
    position: relative;
    display: inline-block;
}

.section-head h2::before,
.section-head h2::after {
    content: "🐾";
    position: absolute;
    top: -0.5rem;
    font-size: 1.2rem;
    opacity: 0.3;
}

.section-head h2::before { left: -2rem; transform: rotate(-15deg); }
.section-head h2::after { right: -2rem; transform: rotate(15deg); }

.section-head p {
    margin: 1.2rem auto 0;
    max-width: 62ch;
    color: var(--text-sub);
    font-size: 1.05rem;
}

.features {
    background: linear-gradient(180deg, var(--bg-soft) 0%, #fff9fc 100%);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.feature-card {
    background: var(--card);
    border: 2px solid #ffd8e8;
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    box-shadow: 0 10px 28px rgba(233, 95, 149, 0.08);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    margin: 0;
    font-size: 1.2rem;
    color: #a04670;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.feature-card h3::before {
    content: "✨";
}

.feature-card p {
    margin: 1rem 0 0;
    color: #4f4f5a;
}

.usage {
    background: linear-gradient(180deg, #fffdfa 0%, var(--bg-mint) 100%);
}

.step-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.step-card {
    background: #fff;
    border: 1px solid #dbf3ea;
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    position: relative;
}

.step-number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: inline-grid;
    place-items: center;
    font-weight: 800;
    background: linear-gradient(135deg, #7ae0bf 0%, #55c9a3 100%);
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.step-card h3 {
    margin: 0;
    font-size: 1.15rem;
}

.step-card p {
    margin: 0.8rem 0 0;
    color: #4c5c57;
}

.gallery {
    background: #fff;
}

.gallery-wrapper {
    position: relative;
    background: linear-gradient(180deg, #fff8fc 0%, #fff 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem 3.5rem;
}

.gallery-track {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc((100% - 3rem) / 3);
    gap: 1.5rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    padding: 1rem 0;
}

.gallery-track::-webkit-scrollbar {
    display: none;
}

.shot {
    margin: 0;
    scroll-snap-align: start;
    position: relative;
}

/* Smartphone Frame Effect */
.shot::after {
    content: "";
    position: absolute;
    inset: -4px;
    border: 6px solid #2f2f35;
    border-radius: 24px;
    pointer-events: none;
    box-shadow: inset 0 0 0 2px rgba(255,255,255,0.1), 0 15px 35px rgba(0,0,0,0.15);
}

.shot img {
    width: 100%;
    border-radius: 18px;
    display: block;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: 0;
    border-radius: 50%;
    background: #fff;
    color: #6a4b5a;
    box-shadow: 0 12px 24px rgba(67, 45, 55, 0.18);
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-nav:hover {
    background: var(--pink-soft);
    color: var(--pink-dark);
    transform: translateY(-50%) scale(1.1);
}

.gallery-nav.prev {
    left: 0.75rem;
}

.gallery-nav.next {
    right: 0.75rem;
}

.gallery-dots {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 0.6rem;
}

.gallery-dots button {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 0;
    padding: 0;
    background: #f0c8db;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-dots button.is-active {
    background: var(--pink-dark);
    width: 24px;
    border-radius: 5px;
}

.trust {
    background: linear-gradient(180deg, #fff7f2 0%, #fff4fa 100%);
}

.trust-inner {
    text-align: center;
    background: #fff;
    border: 2px solid #ffdde7;
    border-radius: var(--radius-lg);
    padding: clamp(2rem, 6vw, 3.5rem);
    box-shadow: 0 15px 35px rgba(233, 95, 149, 0.05);
}

.trust-inner h2 {
    margin: 0;
    font-family: 'Mochiy Pop One', sans-serif;
    font-size: clamp(1.5rem, 3.5vw, 2rem);
}

.trust-inner p {
    color: #5a5560;
    margin: 1.2rem auto 0;
    max-width: 64ch;
    font-size: 1.05rem;
}

.text-link {
    margin-top: 1.2rem;
    display: inline-block;
    color: #b44378;
    font-weight: 800;
    border-bottom: 2px solid #e8a5c7;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.text-link:hover {
    color: var(--pink-dark);
    border-color: var(--pink-dark);
}

.cta {
    padding-top: clamp(4rem, 8vw, 6rem);
}

.cta-inner {
    text-align: center;
    background: linear-gradient(120deg, #fff2f8 0%, #f5fff9 100%);
    border: 2px solid #f4dae7;
    border-radius: var(--radius-lg);
    padding: clamp(2.5rem, 7vw, 4.5rem);
    position: relative;
    overflow: hidden;
}

.cta-inner::before {
    content: "🐇";
    position: absolute;
    bottom: -10px;
    right: 20px;
    font-size: 100px;
    opacity: 0.05;
    transform: rotate(-15deg);
}

.cta-inner h2 {
    margin: 0;
    font-family: 'Mochiy Pop One', sans-serif;
    font-size: clamp(1.6rem, 4vw, 2.4rem);
}

.cta-inner p {
    margin: 1.2rem 0 2rem;
    color: #5e5964;
    font-size: 1.1rem;
}

.trust-box {
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-inline: auto;
    border: 1px solid #f9eef3;
}

.trust-box h3 {
    margin: 0;
    font-size: 0.95rem;
    color: #8a6478;
    font-weight: 800;
}

.trust-box p {
    margin: 0.5rem 0 0 !important;
    font-size: 0.85rem !important;
    line-height: 1.6;
    color: #7a6e75 !important;
}

.lp-footer {
    background: #4a3e4a; /* Softened footer color */
    color: #f7f3f7;
    padding: 3.5rem 0;
    margin-top: 4rem;
}

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

.footer-title {
    margin: 0;
    font-size: 1.3rem;
    font-family: 'Mochiy Pop One', sans-serif;
}

.footer-links {
    margin-top: 1.2rem;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    opacity: 0.8;
    font-size: 0.9rem;
    transition: opacity 0.2s ease;
}

.footer-links a:hover {
    opacity: 1;
}

.copyright {
    margin: 1.5rem 0 0;
    font-size: 0.85rem;
    opacity: 0.6;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.215, 0.61, 0.355, 1), transform 0.8s cubic-bezier(0.215, 0.61, 0.355, 1);
}

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

@media (max-width: 980px) {
    .hero-inner,
    .feature-grid,
    .step-list {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .hero-visual {
        max-width: 500px;
        margin-inline: auto;
    }

    .gallery-track {
        grid-auto-columns: calc((100% - 1.5rem) / 2);
    }
}

@media (max-width: 680px) {
    .container {
        width: min(var(--container), 100% - 1.6rem);
    }

    .header-inner {
        min-height: 62px;
    }

    .btn-back {
        font-size: 0.78rem;
        padding: 0.5rem 1rem;
    }

    .hero-copy p {
        max-width: 100%;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
    }

    .gallery-wrapper {
        padding: 1.5rem 1rem;
    }

    .gallery-track {
        grid-auto-columns: 85%;
        gap: 1rem;
        padding-inline: 7.5%;
    }

    .gallery-nav {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }

    .fade-in {
        opacity: 1;
        transform: none;
    }
}