:root {
    --bg: #f8f9fa;
    --bg-contrast: #ffffff;
    --ink: #0a0a0a;
    --muted: #495057;
    --accent: #2d6a4f;
    --accent-dark: #245c45;
    --accent-soft: rgba(45, 106, 79, 0.1);
    --pink: #ffc9d4;
    --blue: #a8dadc;
    --beige: #e9c9b1;
    --yellow: #fef9c7;
    --lavender: #c8b6d6;
    --border: #e9ecef;
    --shadow: 0 20px 60px rgba(10, 10, 10, 0.12);
    --radius-lg: 28px;
    --radius-md: 18px;
    --radius-sm: 12px;
}

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

body {
    font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
    color: var(--ink);
    line-height: 1.7;
    background: var(--bg);
}

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

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

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

.site-header {
    padding: 32px 0 0;
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
}

.brand-name {
    font-size: 1.3rem;
    font-weight: 700;
}

.brand-tagline {
    font-size: 0.85rem;
    color: var(--muted);
}

.header-nav {
    display: flex;
    gap: 16px;
    font-weight: 500;
}

.nav-link {
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: 0.2s ease;
}

.nav-link:hover {
    border-color: rgba(45, 106, 79, 0.3);
    background: rgba(45, 106, 79, 0.06);
}

.hero {
    padding: 70px 0 90px;
    position: relative;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(10px);
    opacity: 0.6;
    z-index: 0;
}

.hero::before {
    width: 480px;
    height: 480px;
    background: linear-gradient(135deg, var(--pink), var(--yellow));
    top: -120px;
    right: -160px;
}

.hero::after {
    width: 360px;
    height: 360px;
    background: linear-gradient(145deg, var(--blue), #f8f9fa);
    bottom: -120px;
    left: -120px;
}

.hero-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: center;
    gap: 50px;
    position: relative;
    z-index: 1;
}

.eyebrow {
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 10px;
}

.hero h1 {
    font-size: clamp(1.8rem, 2.8vw, 3.2rem);
    line-height: 1.3;
    margin-bottom: 20px;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.lead {
    font-size: 1.05rem;
    color: var(--muted);
    margin-bottom: 28px;
}

.feature-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    color: var(--muted);
    font-size: 0.9rem;
}

.feature-badges span {
    background: rgba(255, 255, 255, 0.7);
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid rgba(31, 31, 31, 0.08);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 16px;
}

.primary-button,
.ghost-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 999px;
    font-weight: 600;
    transition: all 0.3s ease;
    font-size: 1rem;
    cursor: pointer;
}

.primary-button {
    background: linear-gradient(135deg, var(--accent) 0%, #1e5a3f 100%);
    color: #fff;
    box-shadow: 0 8px 20px rgba(45, 106, 79, 0.3);
    border: none;
    position: relative;
    padding-right: 40px;
}

.primary-button::after {
    content: "↗";
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(45, 106, 79, 0.4);
}

.primary-button:hover::after {
    transform: translateY(-50%) translate(2px, -2px);
}

.primary-button:active {
    transform: translateY(0);
}

.ghost-button {
    border: 2px solid rgba(45, 106, 79, 0.3);
    color: var(--accent);
    background: rgba(255, 255, 255, 0.9);
    position: relative;
    padding-right: 40px;
}

.ghost-button::after {
    content: "↗";
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.ghost-button:hover {
    border-color: var(--accent);
    background: rgba(45, 106, 79, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(45, 106, 79, 0.15);
}

.ghost-button:hover::after {
    transform: translateY(-50%) translate(2px, -2px);
}

.note {
    font-size: 0.85rem;
    color: var(--muted);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-images {
    position: relative;
    width: min(500px, 100%);
    height: auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 16px;
    padding: 20px;
}

.hero-image-wrapper {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(10, 10, 10, 0.15);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 880 / 1168;
}


.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.hero-image-label {
    display: none;
}

.hero-tags {
    position: absolute;
    bottom: 12px;
    left: 12px;
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    color: var(--ink);
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.65rem;
    font-weight: 600;
    border: 1px solid rgba(45, 106, 79, 0.15);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.hero-image-1 {
    animation: float 6s ease-in-out infinite;
    animation-delay: 0s;
}

.hero-image-2 {
    animation: float 6s ease-in-out infinite;
    animation-delay: 0.5s;
}

.hero-image-3 {
    animation: float 6s ease-in-out infinite;
    animation-delay: 1s;
}

.hero-image-4 {
    animation: float 6s ease-in-out infinite;
    animation-delay: 1.5s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-8px);
    }
}

.hero-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
    backdrop-filter: blur(10px);
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    box-shadow: 0 4px 16px rgba(45, 106, 79, 0.2);
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(45, 106, 79, 0.2);
}

.badge-icon {
    font-size: 1rem;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
        opacity: 0.8;
    }
}

.section-header {
    margin-bottom: 48px;
    text-align: center;
}

.section-header h2 {
    font-size: clamp(1.8rem, 2.2vw, 2.4rem);
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--blue));
    border-radius: 999px;
}

.section-header p {
    color: var(--muted);
    font-size: 1rem;
    margin-top: 16px;
}

.quick-generate {
    padding: 80px 0;
    background: var(--bg-contrast);
}

.muted-text {
    color: var(--muted);
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.embed-frame {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: 8px;
    display: flex;
    justify-content: center;
    max-width: 960px;
    margin: 0 auto;
}

.embed-frame iframe,
.embed-image {
    width: 100%;
    border: 0;
    border-radius: var(--radius-md);
    background: #fff;
}

.embed-image {
    height: auto;
    display: block;
    width: 100%;
    max-width: 100%;
}

.embed-actions {
    margin-top: 32px;
    text-align: center;
}

.gallery {
    padding: 90px 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.gallery-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: 0 8px 24px rgba(10, 10, 10, 0.06);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}


.gallery-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}


.gallery-card h3 {
    margin: 16px 0 6px;
    font-size: 1.05rem;
    font-weight: 600;
}

.gallery-card p {
    color: var(--muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.image-placeholder {
    height: 220px;
    border-radius: var(--radius-sm);
}

.image-placeholder.warm {
    background: linear-gradient(135deg, #f0c8b4, #f8e4d6);
}

.image-placeholder.peach {
    background: linear-gradient(135deg, #f2b9a0, #f7e7d8);
}

.image-placeholder.olive {
    background: linear-gradient(135deg, #b5c4a3, #edf2ea);
}

.image-placeholder.mist {
    background: linear-gradient(135deg, #d1d6d9, #f1f3f4);
}

.arrange {
    padding: 90px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.arrange::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(168, 218, 220, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.arrange-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.arrange-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: 0 8px 24px rgba(10, 10, 10, 0.06);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.arrange-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--blue));
    opacity: 0;
    transition: opacity 0.3s ease;
}



.arrange-card:nth-child(1) .arrange-badge {
    background: linear-gradient(135deg, #ffc9d4, #ffb3c6);
    color: #7d1f3a;
}

.arrange-card:nth-child(2) .arrange-badge {
    background: linear-gradient(135deg, #a8dadc, #90c9cc);
    color: #1a5a5f;
}

.arrange-card:nth-child(3) .arrange-badge {
    background: linear-gradient(135deg, #c8b6d6, #b8a3c9);
    color: #4a2d5e;
}

.arrange-card:nth-child(4) .arrange-badge {
    background: linear-gradient(135deg, #fef9c7, #fef3a8);
    color: #6b5e00;
}

.arrange-badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 999px;
    margin-bottom: 16px;
    font-size: 0.85rem;
    font-weight: 600;
    width: fit-content;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.arrange-card h3 {
    font-size: 1.15rem;
    line-height: 1.4;
    margin-bottom: 4px;
}

.arrange-card p {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.cta {
    padding: 80px 0;
}

.cta-inner {
    background: linear-gradient(135deg, #1e5a3f 0%, #2d6a4f 50%, #1b4332 100%);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 50px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    box-shadow: 0 20px 60px rgba(10, 10, 10, 0.2);
    position: relative;
    overflow: hidden;
}

.cta-inner::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.22) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-inner h2 {
    font-size: clamp(1.5rem, 2vw, 2rem);
    margin-bottom: 8px;
}

.cta-inner p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.cta-inner .primary-button {
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    background: #fff;
    color: #1b4332;
    box-shadow: 0 10px 24px rgba(9, 52, 32, 0.25);
    border: 1px solid rgba(9, 52, 32, 0.12);
}

.cta-inner .primary-button::after {
    color: #1b4332;
}

.cta-inner .primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(9, 52, 32, 0.3);
}

.site-footer {
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a1a 100%);
    color: #fff;
    padding: 50px 0 60px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 40px;
}

.footer-grid > div:first-child {
    flex: 1;
}


.footer-grid .brand-name {
    margin-bottom: 0;
    font-size: 1.3rem;
}

.footer-copyright {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-copyright p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    margin: 0;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    min-width: 200px;
}

.footer-links a {
    display: block;
    padding: 8px 0;
    transition: all 0.2s ease;
    border-bottom: 1px solid transparent;
}

.footer-links a:hover {
    color: #fff;
    border-bottom-color: rgba(255, 255, 255, 0.3);
    padding-left: 8px;
}

@media (max-width: 900px) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        order: 1;
    }

    .hero-visual {
        order: 2;
    }

    .header-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .footer-grid {
        flex-direction: column;
        align-items: flex-start;
        gap: 32px;
    }

    .footer-links {
        width: 100%;
        min-width: auto;
        gap: 16px;
    }

    .footer-links a {
        padding: 12px 0;
        font-size: 0.95rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-links a:hover {
        padding-left: 12px;
    }

    .footer-grid .brand-name {
        font-size: 1.2rem;
    }


    .footer-copyright {
        margin-top: 32px;
        padding-top: 20px;
    }

    .footer-copyright p {
        font-size: 0.7rem;
    }

    .arrange-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .hero {
        padding-top: 50px;
    }

    .hero h1 {
        font-size: clamp(1.6rem, 5vw, 2rem);
        line-height: 1.25;
    }

    .header-nav {
        width: 100%;
        justify-content: flex-start;
    }

    .mock-card {
        padding: 22px;
    }
}