@charset "UTF-8";

:root {
    --navy-950: #04101f;
    --navy-900: #071a30;
    --navy-800: #0c2745;
    --blue-600: #1478e8;
    --blue-500: #2798ff;
    --cyan-400: #42d3ff;
    --text: #142238;
    --muted: #607087;
    --line: #dce6f0;
    --surface: #f4f8fc;
    --white: #ffffff;
    --shadow: 0 24px 70px rgba(4, 25, 51, .12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--white);
    font-family:
        "Noto Sans JP",
        "Hiragino Kaku Gothic ProN",
        "Yu Gothic",
        Meiryo,
        sans-serif;
    line-height: 1.8;
}

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

.home-container {
    width: min(1120px, calc(100% - 48px));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    z-index: 20;
    top: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    color: var(--white);
    background: rgba(4, 16, 31, .94);
    backdrop-filter: blur(16px);
}

.header-inner {
    display: flex;
    min-height: 76px;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 12px;
    color: var(--cyan-400);
    background: linear-gradient(145deg, #123b68, #07182b);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .08em;
}

.brand strong,
.brand small {
    display: block;
}

.brand strong {
    font-size: 20px;
    letter-spacing: .03em;
    line-height: 1.15;
}

.brand small {
    margin-top: 4px;
    color: #8fa9c5;
    font-size: 9px;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 26px;
    font-size: 14px;
    font-weight: 700;
}

.site-nav > a:not(.nav-button) {
    color: #c9d7e7;
}

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

.nav-button,
.primary-button,
.secondary-button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    padding: 0 24px;
    font-weight: 800;
    transition:
        transform .2s ease,
        box-shadow .2s ease,
        background .2s ease;
}

.nav-button {
    min-height: 42px;
    color: var(--white);
    background: var(--blue-600);
}

.primary-button {
    color: var(--white);
    background: linear-gradient(
        135deg,
        var(--blue-600),
        var(--blue-500)
    );
    box-shadow: 0 14px 32px rgba(20, 120, 232, .3);
}

.secondary-button {
    border: 1px solid rgba(255, 255, 255, .24);
    color: var(--white);
    background: rgba(255, 255, 255, .06);
}

.nav-button:hover,
.primary-button:hover,
.secondary-button:hover {
    transform: translateY(-2px);
}

.hero {
    position: relative;
    overflow: hidden;
    color: var(--white);
    background:
        radial-gradient(
            circle at 76% 28%,
            rgba(39, 152, 255, .22),
            transparent 30%
        ),
        linear-gradient(145deg, var(--navy-950), var(--navy-800));
}

.hero::before {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(
            rgba(255, 255, 255, .035) 1px,
            transparent 1px
        ),
        linear-gradient(
            90deg,
            rgba(255, 255, 255, .035) 1px,
            transparent 1px
        );
    background-size: 52px 52px;
    content: "";
    mask-image: linear-gradient(to bottom, #000, transparent);
}

.hero-grid {
    position: relative;
    display: grid;
    min-height: 690px;
    align-items: center;
    grid-template-columns: 1.08fr .92fr;
    gap: 72px;
    padding-block: 90px;
}

.eyebrow,
.section-label,
.module-number {
    margin: 0 0 18px;
    color: var(--blue-500);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .2em;
}

.hero h1 {
    max-width: 700px;
    margin: 0;
    font-size: clamp(44px, 6vw, 78px);
    letter-spacing: -.045em;
    line-height: 1.16;
}

.hero-lead {
    max-width: 620px;
    margin: 30px 0 0;
    color: #bfd0e2;
    font-size: 18px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 38px;
}

.hero-panel {
    position: relative;
    min-height: 430px;
}

.core-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    display: grid;
    width: 210px;
    height: 210px;
    place-items: center;
    border: 1px solid rgba(66, 211, 255, .36);
    border-radius: 50%;
    background:
        radial-gradient(
            circle,
            rgba(39, 152, 255, .34),
            rgba(7, 26, 48, .92) 68%
        );
    box-shadow:
        0 0 0 38px rgba(39, 152, 255, .04),
        0 0 70px rgba(39, 152, 255, .22);
    transform: translate(-50%, -50%);
}

.core-orbit::before,
.core-orbit::after {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 50%;
    content: "";
}

.core-orbit::before {
    inset: -54px;
}

.core-orbit::after {
    inset: -105px;
}

.core-orbit strong {
    font-size: 56px;
    letter-spacing: -.05em;
}

.orbit-label {
    position: absolute;
    top: 76px;
    color: var(--cyan-400);
    font-size: 9px;
    font-weight: 900;
    letter-spacing: .24em;
}

.hero-module {
    position: absolute;
    z-index: 2;
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 12px;
    padding: 10px 15px;
    color: #d8e8f8;
    background: rgba(7, 26, 48, .9);
    box-shadow: 0 12px 28px rgba(0, 0, 0, .24);
    font-size: 12px;
    font-weight: 800;
}

.hero-module-one {
    top: 55px;
    right: 12px;
}

.hero-module-two {
    bottom: 64px;
    right: 0;
}

.hero-module-three {
    bottom: 96px;
    left: 0;
}

.section {
    padding-block: 110px;
}

.section h2,
.home-cta h2 {
    margin: 0;
    font-size: clamp(32px, 4vw, 48px);
    letter-spacing: -.035em;
    line-height: 1.3;
}

.section-intro {
    max-width: 820px;
    margin: 28px 0 0;
    color: var(--muted);
    font-size: 17px;
}

.concept-grid,
.module-grid,
.flow-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-top: 54px;
}

.concept-grid article {
    border-top: 3px solid var(--blue-500);
    padding: 28px 24px;
    background: var(--surface);
}

.concept-grid span {
    color: var(--blue-500);
    font-size: 13px;
    font-weight: 900;
}

.concept-grid h3,
.module-card h3,
.flow-grid h3 {
    margin: 12px 0 8px;
    font-size: 21px;
    line-height: 1.4;
}

.concept-grid p,
.module-card p,
.flow-grid p {
    margin: 0;
    color: var(--muted);
    font-size: 14px;
}

.section-dark {
    color: var(--white);
    background: var(--navy-900);
}

.section-dark h2 {
    color: var(--white);
}

.module-card {
    position: relative;
    min-height: 360px;
    border: 1px solid rgba(255, 255, 255, .11);
    border-radius: 18px;
    padding: 32px;
    background: rgba(255, 255, 255, .045);
}

.module-card h3 {
    margin-top: 0;
    font-size: 24px;
}

.module-card p {
    color: #b7c9dc;
}

.module-card ul {
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.module-card li {
    position: relative;
    margin-top: 10px;
    padding-left: 18px;
    color: #d8e5f2;
    font-size: 14px;
}

.module-card li::before {
    position: absolute;
    top: .75em;
    left: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan-400);
    content: "";
}

.module-future {
    background:
        linear-gradient(
            145deg,
            rgba(39, 152, 255, .13),
            rgba(255, 255, 255, .035)
        );
}

.status-label {
    position: absolute;
    right: 28px;
    bottom: 28px;
    border: 1px solid rgba(66, 211, 255, .4);
    border-radius: 99px;
    padding: 6px 12px;
    color: var(--cyan-400);
    font-size: 10px;
    font-weight: 900;
    letter-spacing: .12em;
}

.module-map-intro {
    max-width: 820px;
    margin: 28px 0 0;
    color: #b7c9dc;
    font-size: 17px;
}

.module-map {
    position: relative;
    display: grid;
    align-items: stretch;
    grid-template-areas:
        "web core business"
        "office core promotion";
    grid-template-columns: 1fr .9fr 1fr;
    gap: 24px 34px;
    margin-top: 58px;
}

.module-map::before,
.module-map::after {
    position: absolute;
    z-index: 0;
    top: 50%;
    left: 18%;
    width: 64%;
    height: 1px;
    background: rgba(66, 211, 255, .24);
    content: "";
}

.module-map::after {
    top: 20%;
    left: 50%;
    width: 1px;
    height: 60%;
}

.module-category,
.module-core-card {
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 18px;
}

.module-category {
    padding: 26px;
    background: rgba(255, 255, 255, .045);
}

.category-web {
    grid-area: web;
}

.category-business {
    grid-area: business;
}

.category-office {
    grid-area: office;
}

.category-promotion {
    grid-area: promotion;
}

.category-label {
    margin: 0 0 6px;
    color: var(--cyan-400);
    font-size: 9px;
    font-weight: 900;
    letter-spacing: .16em;
}

.module-category h3 {
    margin: 0;
    font-size: 21px;
    line-height: 1.4;
}

.module-list {
    margin: 20px 0 0;
    padding: 0;
    list-style: none;
}

.module-list li {
    display: flex;
    min-height: 42px;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid rgba(255, 255, 255, .09);
    color: #d8e5f2;
    font-size: 13px;
    font-weight: 700;
}

.module-list small {
    flex: 0 0 auto;
    border-radius: 99px;
    padding: 3px 8px;
    font-size: 9px;
    font-weight: 900;
}

.status-live {
    color: #75f0bc;
    background: rgba(40, 190, 128, .15);
}

.status-development {
    color: #70dfff;
    background: rgba(66, 211, 255, .14);
}

.status-next {
    color: #ffd477;
    background: rgba(255, 190, 60, .14);
}

.status-plan {
    color: #aebed0;
    background: rgba(174, 190, 208, .12);
}

.module-core-card {
    display: flex;
    min-height: 100%;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    grid-area: core;
    padding: 34px 24px;
    text-align: center;
    background:
        radial-gradient(
            circle at 50% 34%,
            rgba(39, 152, 255, .34),
            rgba(7, 26, 48, .96) 64%
        );
    box-shadow:
        0 0 0 8px rgba(39, 152, 255, .04),
        0 24px 60px rgba(0, 0, 0, .25);
}

.module-core-card::before {
    position: absolute;
    inset: 14px;
    border: 1px solid rgba(66, 211, 255, .18);
    border-radius: 13px;
    content: "";
    pointer-events: none;
}

.core-caption {
    color: var(--cyan-400);
    font-size: 9px;
    font-weight: 900;
    letter-spacing: .2em;
}

.module-core-card > strong {
    margin-top: 8px;
    font-size: 38px;
    letter-spacing: -.04em;
}

.module-core-card > p {
    max-width: 210px;
    margin: 8px 0 0;
    color: #aec4da;
    font-size: 12px;
}

.core-functions {
    display: grid;
    width: 100%;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-top: 26px;
}

.core-functions span {
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 8px;
    padding: 7px 5px;
    color: #dbe9f7;
    background: rgba(255, 255, 255, .045);
    font-size: 10px;
    font-weight: 800;
}

.module-status-guide {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 18px;
    margin-top: 22px;
    color: #9eb3c8;
    font-size: 11px;
}

.module-status-guide span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.status-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
}

.status-live-dot {
    background: #48dfa0;
}

.status-development-dot {
    background: var(--cyan-400);
}

.status-next-dot {
    background: #ffc85e;
}

.status-plan-dot {
    background: #8fa3b8;
}

.module-ecosystem {
    margin-top: 54px;
    border: 1px solid rgba(66, 211, 255, .2);
    border-radius: 18px;
    padding: 34px 38px;
    background:
        linear-gradient(
            120deg,
            rgba(39, 152, 255, .13),
            rgba(255, 255, 255, .025)
        );
}

.module-ecosystem .section-label {
    margin-bottom: 10px;
}

.module-ecosystem h3 {
    max-width: 800px;
    margin: 0;
    font-size: clamp(22px, 3vw, 31px);
    line-height: 1.5;
}

.module-ecosystem > p:last-child {
    max-width: 820px;
    margin: 15px 0 0;
    color: #b7c9dc;
    font-size: 14px;
}

.flow-grid article {
    display: flex;
    gap: 20px;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 26px;
    box-shadow: 0 12px 34px rgba(7, 26, 48, .06);
}

.flow-grid strong {
    display: grid;
    flex: 0 0 42px;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 12px;
    color: var(--white);
    background: var(--blue-600);
}

.flow-grid h3 {
    margin-top: 0;
}

.home-cta {
    padding-block: 80px;
    color: var(--white);
    background:
        linear-gradient(
            110deg,
            var(--blue-600),
            #0752a0
        );
}

.home-cta .section-label {
    color: #bfe8ff;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.home-cta .primary-button {
    color: var(--blue-600);
    background: var(--white);
    box-shadow: var(--shadow);
}

.site-footer {
    color: #9eb1c5;
    background: var(--navy-950);
}

.footer-inner {
    display: flex;
    min-height: 110px;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    font-size: 13px;
}

.footer-inner p {
    margin: 0;
}

.footer-inner strong {
    color: var(--white);
}

@media (max-width: 900px) {
    .site-nav > a:not(.nav-button) {
        display: none;
    }

    .hero-grid {
        min-height: auto;
        grid-template-columns: 1fr;
        gap: 20px;
        padding-block: 76px;
    }

    .hero-panel {
        min-height: 400px;
    }

    .concept-grid,
    .module-grid {
        grid-template-columns: 1fr;
    }

    .module-card {
        min-height: auto;
    }

    .module-map {
        grid-template-areas:
            "core core"
            "web business"
            "office promotion";
        grid-template-columns: repeat(2, 1fr);
    }

    .module-map::before,
    .module-map::after {
        display: none;
    }

    .module-core-card {
        min-height: 320px;
    }

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

@media (max-width: 600px) {
    .home-container {
        width: min(100% - 32px, 1120px);
    }

    .header-inner {
        min-height: 66px;
    }

    .brand small {
        display: none;
    }

    .site-nav {
        gap: 10px;
    }

    .nav-button {
        min-height: 38px;
        padding-inline: 16px;
        font-size: 12px;
    }

    .hero-grid {
        padding-block: 62px 46px;
    }

    .hero h1 {
        font-size: 42px;
    }

    .hero-lead {
        font-size: 16px;
    }

    .hero-actions {
        display: grid;
    }

    .hero-panel {
        min-height: 330px;
        transform: scale(.84);
    }

    .section {
        padding-block: 76px;
    }

    .section h2,
    .home-cta h2 {
        font-size: 32px;
    }

    .concept-grid,
    .module-grid,
    .flow-grid {
        margin-top: 36px;
    }

    .module-map {
        grid-template-areas:
            "core"
            "web"
            "business"
            "office"
            "promotion";
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 38px;
    }

    .module-core-card {
        min-height: 300px;
    }

    .module-category {
        padding: 24px 20px;
    }

    .module-status-guide {
        justify-content: flex-start;
        gap: 10px 16px;
    }

    .module-ecosystem {
        margin-top: 38px;
        padding: 28px 22px;
    }

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

    .cta-inner {
        gap: 30px;
    }

    .footer-inner {
        justify-content: center;
        padding-block: 28px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition: none !important;
    }
}