:root {
    --bg: #f5f9fd;
    --surface: #ffffff;
    --navy: #10243d;
    --navy-2: #163a63;
    --blue: #2563eb;
    --blue-dark: #1d4ed8;
    --sky: #38bdf8;
    --green: #16a34a;
    --mint: #10b981;
    --text: #152033;
    --muted: #667085;
    --line: #dbe7f3;
    --soft-blue: #edf6ff;
    --shadow: 0 24px 80px rgba(15, 39, 66, 0.14);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at 12% 4%, rgba(56, 189, 248, 0.15), transparent 28%),
        radial-gradient(circle at 86% 14%, rgba(37, 99, 235, 0.12), transparent 30%),
        var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.75;
}

.particle-canvas {
    inset: 0;
    opacity: 0.72;
    pointer-events: none;
    position: fixed;
    z-index: 0;
}

.site-header,
main,
.site-footer {
    position: relative;
    z-index: 1;
}

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

.site-header {
    align-items: center;
    backdrop-filter: blur(18px);
    background: rgba(255, 255, 255, 0.9);
    border-bottom: 1px solid rgba(219, 231, 243, 0.86);
    display: flex;
    gap: 24px;
    justify-content: space-between;
    left: 0;
    padding: 16px clamp(20px, 5vw, 64px);
    position: sticky;
    right: 0;
    top: 0;
    z-index: 20;
}

.brand {
    align-items: center;
    color: var(--navy);
    display: inline-flex;
    font-weight: 900;
    gap: 10px;
    white-space: nowrap;
}

.brand-mark {
    background: linear-gradient(135deg, var(--blue), var(--sky));
    border-radius: 10px;
    color: #fff;
    display: grid;
    height: 36px;
    place-items: center;
    width: 36px;
}

.site-nav {
    align-items: center;
    color: #334155;
    display: flex;
    font-size: 14px;
    font-weight: 800;
    gap: 18px;
}

.site-nav a:hover {
    color: var(--blue);
}

.nav-cta {
    background: #eaf2ff;
    border-radius: 999px;
    color: var(--blue);
    padding: 9px 14px;
}

.nav-toggle {
    display: none;
}

.section {
    margin: 0 auto;
    max-width: 1160px;
    padding: 88px 24px;
}

.hero {
    align-items: center;
    display: grid;
    gap: 54px;
    grid-template-columns: minmax(0, 1fr) minmax(410px, 0.92fr);
    min-height: calc(100vh - 70px);
}

.eyebrow {
    color: var(--blue);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0;
    margin: 0 0 12px;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    color: var(--navy);
    font-size: clamp(40px, 5.4vw, 66px);
    letter-spacing: 0;
    line-height: 1.08;
    margin-bottom: 24px;
}

h2 {
    color: var(--navy);
    font-size: clamp(30px, 4vw, 44px);
    letter-spacing: 0;
    line-height: 1.22;
    margin-bottom: 14px;
}

h3 {
    color: var(--navy);
    font-size: 20px;
    line-height: 1.38;
    margin-bottom: 10px;
}

.lead {
    color: #42526b;
    font-size: clamp(18px, 2vw, 22px);
    font-weight: 700;
    margin-bottom: 14px;
}

.hero-note,
.section-head p,
.card p,
.feature-grid p,
.automation p,
.report-points,
.pricing-note p,
.demo-box p,
.final-cta p {
    color: var(--muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.hero-actions.center {
    justify-content: center;
}

.button {
    align-items: center;
    border-radius: 999px;
    display: inline-flex;
    font-weight: 900;
    justify-content: center;
    min-height: 50px;
    padding: 0 22px;
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.button:hover {
    transform: translateY(-2px);
}

.button.primary {
    background: var(--blue);
    box-shadow: 0 16px 36px rgba(37, 99, 235, 0.28);
    color: #fff;
}

.button.primary:hover {
    background: var(--blue-dark);
}

.button.secondary {
    background: #fff;
    border: 1px solid var(--line);
    color: var(--navy);
}

.button.secondary.light {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.28);
    color: #fff;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
}

.tag-row span {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: #475569;
    font-size: 13px;
    font-weight: 800;
    padding: 7px 12px;
}

.hero-visual {
    position: relative;
}

.hero-visual::before {
    background: radial-gradient(circle, rgba(56, 189, 248, 0.28), transparent 64%);
    content: "";
    inset: -72px;
    position: absolute;
    z-index: -1;
}

.report-mock,
.report-paper-preview,
.dashboard-preview {
    background: var(--surface);
    border: 1px solid rgba(219, 231, 243, 0.95);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.report-mock {
    overflow: hidden;
    padding: 18px;
}

.mock-toolbar {
    align-items: center;
    border-bottom: 1px solid #edf2f7;
    display: flex;
    gap: 8px;
    margin: -18px -18px 18px;
    padding: 15px 18px;
}

.mock-toolbar span {
    background: #cbd5e1;
    border-radius: 999px;
    height: 10px;
    width: 10px;
}

.mock-toolbar b {
    color: var(--navy);
    font-size: 13px;
    margin-left: auto;
}

.mock-title {
    display: grid;
    gap: 4px;
    margin-bottom: 16px;
}

.mock-title small,
.report-paper-preview small,
.plan-card small {
    color: var(--blue);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
}

.mock-title strong {
    color: var(--navy);
    font-size: 24px;
}

.mock-kpis,
.paper-kpis {
    display: grid;
    gap: 12px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mock-kpis div,
.paper-kpis div {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 14px;
}

.mock-kpis span,
.paper-kpis span {
    color: var(--muted);
    display: block;
    font-size: 12px;
    font-weight: 800;
}

.mock-kpis strong,
.paper-kpis b {
    color: var(--navy);
    display: block;
    font-size: 28px;
    line-height: 1.15;
    margin-top: 6px;
}

.mock-chart {
    align-items: end;
    background: linear-gradient(180deg, #f8fbff, #eef6ff);
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    display: flex;
    gap: 14px;
    height: 190px;
    margin-top: 16px;
    padding: 24px;
}

.mock-chart i {
    background: linear-gradient(180deg, var(--sky), var(--blue));
    border-radius: 999px 999px 8px 8px;
    flex: 1;
}

.mock-list {
    display: grid;
    gap: 10px;
    margin-top: 16px;
}

.mock-list div {
    align-items: center;
    background: #fff;
    border: 1px solid #edf2f7;
    border-radius: 14px;
    display: flex;
    justify-content: space-between;
    padding: 12px 14px;
}

.mock-list span {
    color: var(--navy);
    font-weight: 800;
}

.up {
    color: var(--green);
}

.section-head {
    margin: 0 auto 36px;
    max-width: 780px;
    text-align: center;
}

.cards {
    display: grid;
    gap: 18px;
}

.cards.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards.four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.feature-grid article,
.flow-card,
.plan-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: 0 12px 34px rgba(15, 39, 66, 0.06);
    padding: 26px;
}

.number {
    background: #eaf2ff;
    border-radius: 999px;
    color: var(--blue);
    display: inline-flex;
    font-size: 12px;
    font-weight: 900;
    margin-bottom: 18px;
    padding: 6px 10px;
}

.solution {
    padding-top: 40px;
}

.split-layout {
    align-items: center;
    display: grid;
    gap: 36px;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr);
}

.flow-card {
    display: grid;
    gap: 12px;
}

.flow-card div {
    align-items: center;
    background: #f8fbff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    display: flex;
    font-weight: 900;
    gap: 12px;
    padding: 14px 16px;
}

.flow-card span {
    background: var(--blue);
    border-radius: 999px;
    color: #fff;
    display: grid;
    flex: 0 0 28px;
    height: 28px;
    place-items: center;
    width: 28px;
}

.soft {
    background: #fff;
    border-radius: 34px;
    max-width: 1200px;
}

.feature-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-grid article {
    background: #f8fafc;
}

.report-showcase {
    align-items: center;
    display: grid;
    gap: 36px;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.8fr);
}

.report-paper-preview {
    padding: 34px;
}

.paper-head {
    border-bottom: 1px solid var(--line);
    display: grid;
    gap: 6px;
    padding-bottom: 22px;
}

.paper-head strong {
    color: var(--navy);
    font-size: 34px;
    line-height: 1.2;
}

.paper-head span {
    color: var(--muted);
    font-weight: 800;
}

.paper-kpis {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin-top: 22px;
}

.paper-comment {
    background: #f8fbff;
    border-left: 4px solid var(--blue);
    border-radius: 12px;
    color: #334155;
    font-weight: 700;
    margin-top: 22px;
    padding: 18px;
}

.paper-table {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}

.paper-table div {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 14px;
}

.paper-table span {
    color: var(--navy);
    display: block;
    font-weight: 900;
    margin-bottom: 10px;
}

.paper-table i {
    background: linear-gradient(90deg, #dbeafe, #93c5fd, #dbeafe);
    border-radius: 999px;
    display: block;
    height: 12px;
    width: 78%;
}

.report-points ul,
.plan-card ul {
    color: var(--muted);
    padding-left: 1.2em;
}

.report-points-wide {
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(219, 231, 243, 0.9);
    border-radius: 22px;
    margin: 34px auto 0;
    max-width: 1080px;
    padding: 24px 28px;
}

.report-points-wide ul {
    display: grid;
    gap: 10px 30px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 0;
}

.automation {
    align-items: center;
    display: grid;
    gap: 42px;
    grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
}

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

.timeline div {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 20px;
}

.timeline span {
    color: var(--blue);
    font-weight: 900;
}

.timeline strong {
    color: var(--navy);
    display: block;
    font-size: 19px;
}

.dashboard-preview {
    display: grid;
    grid-template-columns: 190px 1fr;
    min-height: 440px;
    overflow: hidden;
}

.preview-sidebar {
    align-content: start;
    background: var(--navy);
    display: grid;
    gap: 16px;
    padding: 28px 20px;
}

.preview-sidebar span {
    background: rgba(255, 255, 255, 0.16);
    border-radius: 10px;
    height: 42px;
}

.preview-main {
    background: #f8fafc;
    padding: 28px;
}

.preview-kpis {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.preview-kpis span,
.preview-panel,
.preview-panels span {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(15, 39, 66, 0.05);
}

.preview-kpis span {
    height: 92px;
}

.preview-panel.large {
    height: 190px;
    margin-top: 18px;
}

.preview-panels {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 18px;
}

.preview-panels span {
    height: 100px;
}

.report-feature-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: 36px auto 0;
    max-width: 1080px;
}

.report-feature-grid article {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--line);
    border-radius: 20px;
    box-shadow: 0 12px 34px rgba(15, 40, 80, 0.06);
    padding: 20px;
}

.report-feature-grid h3 {
    color: var(--navy);
    font-size: 17px;
    margin: 0 0 8px;
}

.report-feature-grid p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.75;
    margin: 0;
}

.preview-scroll-note {
    color: var(--muted);
    font-size: 13px;
    font-weight: 900;
    margin: 32px auto -22px;
    max-width: 1080px;
    text-align: right;
}

.report-preview-hint {
    color: var(--blue);
    font-size: 13px;
    font-weight: 900;
    margin: 28px auto -34px;
    max-width: 1080px;
    text-align: left;
}

.report-preview-scroll {
    background: #fff;
    border: 1px solid rgba(120, 150, 190, 0.25);
    border-radius: 24px;
    box-shadow: 0 28px 80px rgba(15, 40, 80, 0.18);
    height: 820px;
    margin: 46px auto 0;
    max-width: 1080px;
    overflow-x: hidden;
    overflow-y: auto;
    position: relative;
}

.report-preview-scroll.is-zoomed {
    overflow-x: auto;
    overflow-y: auto;
}

.report-preview-scroll::-webkit-scrollbar {
    width: 10px;
}

.report-preview-scroll::-webkit-scrollbar-thumb {
    background: rgba(30, 100, 220, 0.35);
    border-radius: 999px;
}

.report-preview-scroll::-webkit-scrollbar-track {
    background: rgba(230, 240, 250, 0.8);
}

.report-preview-scroll img {
    cursor: zoom-in;
    display: block;
    height: auto;
    max-width: none;
    transition: width 0.25s ease;
    width: 100%;
}

.report-preview-scroll img:focus-visible {
    outline: 4px solid rgba(37, 99, 235, 0.28);
    outline-offset: -4px;
}

.report-preview-scroll.is-zoomed img {
    cursor: zoom-out;
    width: 130%;
}

.report-preview-label {
    background: rgba(15, 35, 65, 0.82);
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 999px;
    color: #fff;
    float: right;
    font-size: 12px;
    font-weight: 900;
    margin: 14px 14px -42px 0;
    padding: 7px 12px;
    position: sticky;
    top: 14px;
    z-index: 2;
}

.report-preview-cta {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: center;
    margin: 28px auto 0;
    max-width: 900px;
    text-align: center;
}

.report-preview-cta p {
    color: var(--muted);
    font-weight: 800;
    margin: 0;
}

.report-inline-cta {
    margin-top: 30px;
}

.pricing-grid {
    display: grid;
    gap: 18px;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}

.plan-card {
    position: relative;
}

.plan-card.recommended {
    border-color: rgba(37, 99, 235, 0.45);
    box-shadow: 0 18px 60px rgba(37, 99, 235, 0.16);
    transform: translateY(-6px);
}

.plan-card.recommended::before {
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    border-radius: 999px;
    color: #fff;
    content: "おすすめ";
    font-size: 12px;
    font-weight: 900;
    padding: 6px 12px;
    position: absolute;
    right: 18px;
    top: 18px;
}

.price {
    color: var(--navy);
    font-size: clamp(34px, 3.4vw, 42px);
    font-weight: 900;
    line-height: 1.2;
    margin: 10px 0 18px;
}

.price span {
    color: var(--muted);
    font-size: 14px;
}

.plan-card ul {
    display: grid;
    gap: 9px;
    margin-bottom: 0;
}

.plan-card li {
    line-height: 1.55;
}

.pricing-note,
.demo-box {
    align-items: center;
    background: linear-gradient(135deg, #ffffff, #eef6ff);
    border: 1px solid var(--line);
    border-radius: 28px;
    box-shadow: var(--shadow);
    display: flex;
    gap: 28px;
    justify-content: space-between;
    margin-top: 24px;
    padding: 30px;
}

.demo-list {
    color: var(--muted);
    display: grid;
    gap: 6px;
    margin: 14px 0 0;
    padding-left: 1.2em;
}

.faq-list {
    display: grid;
    gap: 12px;
    margin: 0 auto;
    max-width: 900px;
}

details {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px 20px;
}

summary {
    color: var(--navy);
    cursor: pointer;
    font-weight: 900;
}

details p {
    color: var(--muted);
    margin: 12px 0 0;
}

.final-cta {
    background: linear-gradient(135deg, var(--navy), var(--navy-2));
    border-radius: 34px;
    color: #fff;
    margin-bottom: 70px;
    text-align: center;
}

.final-cta h2 {
    color: #fff;
}

.final-cta p {
    color: #d8e8ff;
}

.site-footer {
    align-items: center;
    border-top: 1px solid var(--line);
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    padding: 24px clamp(20px, 5vw, 64px);
}

@media (max-width: 1080px) {
    .cards.four,
    .pricing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .feature-grid,
    .report-feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 960px) {
    .nav-toggle {
        background: #eaf2ff;
        border: 0;
        border-radius: 999px;
        color: var(--blue);
        display: inline-flex;
        font-weight: 900;
        padding: 10px 14px;
    }

    .site-nav {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 18px;
        box-shadow: var(--shadow);
        display: none;
        flex-direction: column;
        left: 20px;
        padding: 18px;
        position: absolute;
        right: 20px;
        top: 70px;
    }

    .site-nav.is-open {
        display: flex;
    }

    .hero,
    .split-layout,
    .report-showcase,
    .automation {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .hero {
        padding-top: 62px;
    }

    .cards.three,
    .feature-grid,
    .report-feature-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-preview {
        grid-template-columns: 1fr;
    }

    .preview-sidebar {
        display: none;
    }
}

@media (max-width: 640px) {
    .site-header {
        padding: 14px 18px;
    }

    .brand span:last-child {
        font-size: 14px;
    }

    .section {
        padding: 62px 18px;
    }

    .preview-scroll-note {
        margin: 24px auto -12px;
        text-align: left;
    }

    .report-preview-hint {
        margin: 18px auto -18px;
    }

    .report-preview-scroll {
        border-radius: 16px;
        height: 520px;
        margin-top: 30px;
    }

    .report-preview-scroll.is-zoomed img {
        width: 140%;
    }

    .report-points-wide {
        padding: 20px;
    }

    .report-points-wide ul {
        grid-template-columns: 1fr;
    }

    .report-preview-cta {
        align-items: stretch;
        flex-direction: column;
    }

    .hero-actions,
    .pricing-note,
    .demo-box,
    .site-footer {
        align-items: stretch;
        flex-direction: column;
    }

    .button {
        width: 100%;
    }

    .mock-kpis,
    .paper-kpis,
    .preview-kpis,
    .preview-panels,
    .cards.four,
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .mock-chart {
        height: 150px;
        padding: 18px;
    }

    .report-paper-preview {
        padding: 22px;
    }

    .paper-head strong {
        font-size: 26px;
    }

    .soft,
    .final-cta {
        border-radius: 24px;
    }
}