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

html {
    scroll-behavior: smooth;
}

body {
    font-family:
        "Yu Gothic UI",
        "Hiragino Kaku Gothic ProN",
        sans-serif;

    background: #0b0b10;
    color: #ffffff;
    line-height: 1.7;
}

.container {
    width: min(1100px, 90%);
    margin: 0 auto;
}

.header {
    position: sticky;
    top: 0;
    z-index: 10;

    background: rgba(11, 11, 16, 0.9);
    backdrop-filter: blur(12px);

    border-bottom: 1px solid #24242d;
}

.nav {
    height: 72px;

    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-weight: 700;
    font-size: 18px;
}

nav {
    display: flex;
    gap: 28px;
}

nav a {
    color: #ccccd6;
    text-decoration: none;
}

nav a:hover {
    color: #ffffff;
}

.hero {
    min-height: 720px;

    display: flex;
    align-items: center;

    background:
        radial-gradient(
            circle at 70% 30%,
            rgba(110, 77, 255, 0.25),
            transparent 40%
        );
}

.hero-content {
    max-width: 850px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    max-width: 650px;
}

.hero-preview {
    position: relative;
}

.preview-window {
    overflow: hidden;

    background: #15151d;

    border: 1px solid #353542;
    border-radius: 18px;

    box-shadow:
        0 30px 80px rgba(0, 0, 0, 0.45);
}

.preview-header {
    height: 44px;

    display: flex;
    align-items: center;
    gap: 7px;

    padding: 0 14px;

    background: #1c1c25;

    border-bottom: 1px solid #30303b;
}

.preview-header span {
    width: 10px;
    height: 10px;

    border-radius: 50%;

    background: #5e5e6c;
}

.preview-header p {
    margin-left: 8px;

    font-size: 12px;
    color: #9999a5;
}

.preview-window img {
    display: block;

    width: 100%;
    height: auto;
}

.badge {
    display: inline-block;

    padding: 6px 14px;
    margin-bottom: 20px;

    border: 1px solid #6557ff;
    border-radius: 999px;

    color: #bdb7ff;
}

h1 {
    font-size: clamp(42px, 7vw, 76px);
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-text {
    max-width: 720px;

    font-size: 19px;
    color: #bdbdc8;
}

.hero-buttons {
    display: flex;
    gap: 14px;

    margin-top: 36px;
}

.button {
    display: inline-block;

    padding: 13px 24px;

    border: 0;
    border-radius: 10px;

    text-decoration: none;
    font-weight: 700;
    font-size: 16px;

    cursor: pointer;
}

.primary {
    background: #6c5cff;
    color: #ffffff;
}

.primary:hover {
    background: #7b6cff;
}

.secondary {
    background: #1d1d26;
    color: #ffffff;

    border: 1px solid #353542;
}

.section {
    padding: 100px 0;
}

.alt {
    background: #111118;
}

h2 {
    font-size: 38px;
    margin-bottom: 40px;
}

.cards {
    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 22px;
}

.card {
    padding: 28px;

    background: #15151d;

    border: 1px solid #292933;
    border-radius: 16px;
}

.card h3 {
    margin-bottom: 12px;
}

.card p {
    color: #b6b6c1;
}

.steps {
    display: grid;
    gap: 14px;
}

.step {
    display: flex;
    align-items: center;
    gap: 18px;

    padding: 20px;

    background: #191922;

    border-radius: 12px;
}

.step span {
    width: 38px;
    height: 38px;

    display: grid;
    place-items: center;

    background: #6c5cff;

    border-radius: 50%;

    font-weight: 700;
}

.download {
    text-align: center;
}

.download p {
    color: #b6b6c1;
    margin-bottom: 25px;
}

footer {
    padding: 35px 0;

    color: #777783;

    border-top: 1px solid #24242d;
}

.section-heading {
    max-width: 720px;
    margin-bottom: 45px;
}

.section-heading p {
    color: #b6b6c1;
}

.section-label {
    margin-bottom: 8px;

    color: #8e82ff !important;

    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
}

.analysis-example {
    background:
        radial-gradient(
            circle at 20% 50%,
            rgba(108, 92, 255, 0.12),
            transparent 35%
        );
}

.analysis-grid {
    display: grid;

    grid-template-columns:
        0.85fr 1.15fr;

    gap: 24px;
}

.score-card,
.advice-card {
    padding: 32px;

    background: #15151d;

    border: 1px solid #292933;
    border-radius: 18px;
}

.score-label,
.advice-label {
    margin-bottom: 14px;

    color: #aaaab6;

    font-size: 14px;
    font-weight: 700;
}

.score-number {
    margin-bottom: 30px;

    font-size: 72px;
    font-weight: 800;
    line-height: 1;
}

.score-number span {
    font-size: 20px;
    color: #777783;
}

.score-list {
    display: grid;
    gap: 16px;
}

.score-list div {
    display: flex;
    justify-content: space-between;
    gap: 20px;

    padding-bottom: 12px;

    border-bottom: 1px solid #292933;
}

.score-list span {
    color: #b6b6c1;
}

.advice-card {
    display: grid;
    gap: 18px;
}

.advice-item {
    display: flex;
    gap: 18px;

    padding: 20px;

    background: #1b1b24;

    border-radius: 14px;
}

.advice-item > span {
    color: #8e82ff;

    font-size: 14px;
    font-weight: 800;
}

.advice-item h3 {
    margin-bottom: 5px;
}

.advice-item p {
    color: #b6b6c1;
}

.pricing-section {
    background: #111118;
}

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

    max-width: 850px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;

    padding: 34px;

    background: #17171f;

    border: 1px solid #2d2d38;
    border-radius: 18px;
}

.pricing-card.featured {
    border-color: #6c5cff;

    box-shadow:
        0 15px 50px rgba(108, 92, 255, 0.15);
}

.plan-badge {
    display: inline-block;

    margin-bottom: 18px;
    padding: 5px 10px;

    border-radius: 999px;

    background: rgba(108, 92, 255, 0.15);

    color: #a99fff;

    font-size: 12px;
    font-weight: 800;
}

.secondary-badge {
    background: #24242d;
    color: #9b9ba8;
}

.pricing-card h3 {
    font-size: 26px;
}

.price {
    margin: 18px 0 25px;

    font-size: 46px;
    font-weight: 800;
}

.price span {
    font-size: 14px;
    color: #8f8f9b;
}

.pricing-card ul {
    list-style: none;

    display: grid;
    gap: 12px;

    margin-bottom: 30px;
}

.pricing-card li {
    color: #c3c3cc;
}

.pricing-card li::before {
    content: "✓";

    margin-right: 10px;

    color: #8e82ff;
    font-weight: 800;
}

.plan-button {
    width: 100%;
    text-align: center;
}

.faq-section {
    background: #0b0b10;
}

.faq-list {
    max-width: 850px;
    margin: 0 auto;

    display: grid;
    gap: 12px;
}

.faq-item {
    overflow: hidden;

    background: #15151d;

    border: 1px solid #292933;
    border-radius: 14px;
}

.faq-item summary {
    position: relative;

    padding: 22px 55px 22px 24px;

    cursor: pointer;

    font-size: 16px;
    font-weight: 700;

    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "+";

    position: absolute;
    right: 24px;
    top: 50%;

    transform: translateY(-50%);

    color: #8e82ff;

    font-size: 26px;
    font-weight: 400;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item p {
    padding:
        0 24px 22px;

    color: #b6b6c1;
}

.faq-item[open] {
    border-color: #444452;
}

.footer {
    padding: 70px 0 30px;

    background: #08080c;

    border-top: 1px solid #24242d;
}

.footer-grid {
    display: grid;

    grid-template-columns:
        2fr 1fr 1fr;

    gap: 50px;

    margin-bottom: 50px;
}

.footer-brand h3 {
    margin-bottom: 14px;
}

.footer-brand p {
    max-width: 420px;

    color: #8f8f9b;
}

.footer-links {
    display: flex;
    flex-direction: column;

    gap: 10px;
}

.footer-links h4 {
    margin-bottom: 8px;
}

.footer-links a {
    color: #9999a5;
    text-decoration: none;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;

    padding-top: 25px;

    border-top: 1px solid #24242d;

    color: #666672;

    font-size: 13px;
}

.logo {
    color: #ffffff;
    text-decoration: none;
}

.legal-page {
    min-height: 100vh;
    padding: 100px 0;
}

.legal-container {
    max-width: 850px;
}

.legal-title {
    margin-bottom: 10px;

    font-size: clamp(38px, 6vw, 58px);
}

.legal-updated {
    margin-bottom: 60px;

    color: #777783;
    font-size: 14px;
}

.legal-section {
    margin-bottom: 55px;
}

.legal-section h2 {
    margin-bottom: 18px;

    font-size: 24px;
}

.legal-section p {
    margin-bottom: 16px;

    color: #b6b6c1;
}

.legal-section ul {
    margin: 20px 0;
    padding-left: 24px;

    color: #b6b6c1;
}

.legal-section li {
    margin-bottom: 10px;
}

.legal-section a {
    color: #9e94ff;
}

.footer-bottom a {
    color: #888894;
    text-decoration: none;
}

.footer-bottom a:hover {
    color: #ffffff;
}

.contact-page {
    min-height: 100vh;
    padding: 100px 0;
}

.contact-container {
    max-width: 1000px;
}

.contact-title {
    margin-bottom: 18px;

    font-size: clamp(42px, 6vw, 64px);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 50px;

    margin-top: 50px;
}

.contact-info h2 {
    margin-bottom: 28px;

    font-size: 25px;
}

.contact-info-item {
    margin-bottom: 28px;
}

.contact-info-item h3 {
    margin-bottom: 8px;

    font-size: 17px;
}

.contact-info-item p {
    color: #9696a2;
}

.contact-form {
    padding: 32px;

    background: #15151d;

    border: 1px solid #292933;
    border-radius: 18px;
}

.form-group {
    display: grid;
    gap: 8px;

    margin-bottom: 22px;
}

.form-group label {
    font-size: 14px;
    font-weight: 700;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;

    padding: 13px 14px;

    background: #0e0e14;
    color: #ffffff;

    border: 1px solid #33333e;
    border-radius: 9px;

    font-family: inherit;
    font-size: 15px;

    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #6c5cff;
}

.form-group textarea {
    resize: vertical;
}

.privacy-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;

    margin-bottom: 25px;

    color: #aaaab6;
    font-size: 14px;
}

.privacy-check input {
    margin-top: 4px;
}

.privacy-check a {
    color: #9e94ff;
}

.contact-submit {
    width: 100%;
}

.contact-message {
    margin-top: 16px;

    text-align: center;
    color: #aaaab6;
}

.contact-message.success {
    color: #72d69b;
}

.contact-message.error {
    color: #ff7b7b;
}

.contact-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.download-info {
    margin-top: 18px;
    text-align: center;
    color: #b6b6c1;
    font-size: 13px;
}

.download-meta {
    margin: 0;
    color: #b6b6c1;
}

.download-details {
    margin-top: 10px;
}

.download-details summary {
    cursor: pointer;
    color: #9e94ff;
    font-size: 13px;
}

.download-details p {
    margin: 8px 0 0;
}

.download-details code {
    display: block;
    margin-top: 6px;
    word-break: break-all;
    color: #9e94ff;
    font-size: 11px;
}

.install-page {
    max-width: 900px;
}

.install-hero {
    padding: 100px 0 70px;
    text-align: center;
}

.install-hero .eyebrow {
    margin-bottom: 14px;
    color: #8f83ff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.install-hero h1 {
    margin-bottom: 18px;
    font-size: clamp(40px, 6vw, 64px);
}

.install-hero > p:last-child {
    color: #a9a9b3;
    line-height: 1.8;
}

.install-steps {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.install-step {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 20px;

    padding: 28px;

    background: #15151d;
    border: 1px solid #292933;
    border-radius: 18px;
}

.install-step > span {
    color: #8f83ff;
    font-size: 18px;
    font-weight: 700;
}

.install-step h2 {
    margin: 0 0 10px;
    font-size: 22px;
}

.install-step p {
    margin: 0 0 16px;
    color: #b6b6c1;
    line-height: 1.7;
}

.install-note {
    margin-top: 12px !important;
    font-size: 13px;
}

.install-help {
    margin: 70px 0 100px;
    padding: 36px;

    text-align: center;

    background: #15151d;
    border: 1px solid #292933;
    border-radius: 18px;
}

.install-help h2 {
    margin-bottom: 12px;
}

.install-help p {
    margin-bottom: 22px;
    color: #b6b6c1;
}

@media (max-width: 700px) {
    .install-hero {
        padding: 70px 0 50px;
    }

    .install-step {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 22px;
    }

    .install-help {
        padding: 28px 20px;
    }
}

.store-status {
    margin-top: 14px;
    font-size: 0.95rem;
    font-weight: 600;
    opacity: 0.9;
}

.license-note {
    margin-top: 8px;
    font-size: 0.9rem;
    opacity: 0.75;
}

@media (max-width: 800px) {
    nav {
        display: none;
    }

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

    .hero {
        min-height: 620px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .hero-preview {
        margin-top: 20px;
    }

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

    .score-number {
        font-size: 56px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 35px;
    }

    .footer-bottom {
        flex-direction: column;
    }

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