:root {
    --navy-950: #091522;
    --navy-900: #0E1C2A;
    --navy: #142638;
    --navy-2: #1D3042;
    --navy-3: #3A4856;
    --red: #B11226;
    --red-light: #D84A5B;
    --red-dark: #830B1A;
    --paper: #E8E9EB;
    --paper-2: #F1F2F2;
    --card: #F8F8F6;
    --ink: #202124;
    --muted: #686C72;
    --line: #D1D3D6;
    --line-soft: #E4E5E7;
    --green: #2F8F57;
    --amber: #C58A27;
    --white: #FFFFFF;
    --shell: 1240px;
    --radius-xl: 30px;
    --radius-lg: 22px;
    --radius-md: 16px;
    --shadow: 0 28px 80px rgba(9, 10, 12, .17);
    --shadow-soft: 0 14px 42px rgba(9, 10, 12, .11);
}

*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: 86px;
}

body {
    margin: 0;
    background: var(--paper-2);
    color: var(--ink);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

html[lang="ja"] body {
    font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

html[lang="ja"] h1,
html[lang="ja"] h2,
html[lang="ja"] h3 {
    line-height: 1.28;
    letter-spacing: .015em;
}

html[lang="ja"] h1 { font-size: clamp(2.75rem, 3.75vw, 3.95rem); }
html[lang="ja"] .eyebrow,
html[lang="ja"] .kicker { letter-spacing: .1em; }

body.is-menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, summary { font: inherit; }
button { color: inherit; }

.shell {
    width: min(calc(100% - 40px), var(--shell));
    margin-inline: auto;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    z-index: 10000;
    top: 10px;
    left: 10px;
    transform: translateY(-150%);
    padding: 10px 17px;
    border-radius: 999px;
    background: var(--white);
    color: var(--navy);
    font-weight: 850;
}

.skip-link:focus { transform: translateY(0); }

.site-header {
    position: fixed;
    z-index: 1000;
    top: 0;
    right: 0;
    left: 0;
    border-bottom: 1px solid rgba(255, 255, 255, .09);
    background: rgba(10, 24, 38, .88);
    backdrop-filter: blur(20px);
    transition: background .25s ease, box-shadow .25s ease;
}

.site-header.is-scrolled {
    background: rgba(10, 24, 38, .98);
    box-shadow: 0 10px 35px rgba(0, 0, 0, .15);
}

.header-inner {
    min-height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.brand { display: inline-flex; align-items: center; }
.brand img { width: 136px; height: auto; }

.site-nav {
    display: flex;
    align-items: center;
    gap: 22px;
    color: #D7D8DA;
    font-size: .86rem;
    font-weight: 760;
}

.language-switch {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    padding: 3px;
    border: 1px solid rgba(255, 255, 255, .24);
    border-radius: 999px;
    background: rgba(255, 255, 255, .06);
}

.language-switch > span { width: 1px; height: 18px; background: rgba(255, 255, 255, .18); }
.language-switch button {
    min-height: 31px;
    padding: 5px 10px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: #D4D5D7;
    cursor: pointer;
    font-size: .68rem;
    font-weight: 850;
    transition: background .2s ease, color .2s ease;
}
.language-switch button:hover { color: var(--white); }
.language-switch button.is-active { background: var(--paper-2); color: var(--navy); }
.language-switch button:focus-visible { outline: 2px solid #FFABB2; outline-offset: 2px; }

.site-nav > a:not(.nav-login) { position: relative; padding-block: 12px; }
.site-nav > a:not(.nav-login)::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 4px;
    left: 0;
    height: 2px;
    background: var(--red-light);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform .25s ease;
}
.site-nav > a:hover::after,
.site-nav > a:focus-visible::after { transform: scaleX(1); transform-origin: left; }

.nav-login {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 999px;
    color: var(--white);
    transition: background .2s ease, border-color .2s ease, transform .2s ease;
}

.nav-login:hover { border-color: var(--red); background: var(--red); transform: translateY(-1px); }
.nav-login span { font-size: 1.05rem; }

.nav-toggle {
    display: none;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 50%;
    background: rgba(255, 255, 255, .06);
    cursor: pointer;
}

.nav-toggle > span:not(.sr-only) {
    width: 18px;
    height: 2px;
    border-radius: 9px;
    background: var(--white);
    transition: transform .2s ease, opacity .2s ease;
}

.nav-toggle[aria-expanded="true"] > span:nth-child(2) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] > span:nth-child(3) { opacity: 0; }
.nav-toggle[aria-expanded="true"] > span:nth-child(4) { transform: translateY(-7px) rotate(-45deg); }

.ambient-zone { position: relative; isolation: isolate; overflow: hidden; }
.ambient-zone > .shell { position: relative; z-index: 2; }

.hero::after,
.method::after,
.philosophy::after,
.plans::after,
.final-cta::after {
    content: "";
    position: absolute;
    z-index: 1;
    width: clamp(220px, 26vw, 390px);
    aspect-ratio: 21 / 11;
    background: url("../img/sakura-line.svg") center / contain no-repeat;
    opacity: .13;
    pointer-events: none;
}

.hero::after { top: 104px; right: 3%; opacity: .16; filter: brightness(1.45); transform: rotate(-5deg); }
.method::after { top: 24px; right: -58px; transform: rotate(8deg); }
.philosophy::after { right: -52px; bottom: 4%; transform: rotate(-12deg); }
.plans::after { bottom: 12px; left: -58px; transform: scaleX(-1) rotate(6deg); }
.final-cta::after { top: 8px; right: 2%; opacity: .15; filter: brightness(1.65); transform: rotate(7deg); }

.concept-slot {
    position: absolute;
    z-index: 4;
    pointer-events: none;
}

.concept-token {
    display: inline-flex;
    align-items: baseline;
    gap: .55em;
    padding: 8px 12px;
    border: 0;
    background: transparent;
    color: var(--navy);
    opacity: .065;
    cursor: pointer;
    pointer-events: auto;
    white-space: nowrap;
    animation: concept-drift var(--drift-duration, 22s) ease-in-out infinite alternate;
    transition: opacity .25s ease, transform .25s ease, color .25s ease;
}

.concept-token:hover,
.concept-token:focus-visible {
    opacity: .78;
    color: var(--red);
    outline: none;
    transform: translateY(-2px);
}

.concept-token__roman { font-size: clamp(1rem, 1.7vw, 1.48rem); font-weight: 850; letter-spacing: .035em; }
.concept-token__japanese { font-family: "Noto Sans JP", "Yu Gothic", sans-serif; font-size: clamp(1.45rem, 2.5vw, 2.35rem); font-weight: 760; }

.concept-slot--hero-a { right: 5%; top: 20%; transform: rotate(2deg); }
.concept-slot--hero-b { left: 3%; bottom: 9%; transform: rotate(-3deg); }
.concept-slot--platform { right: 2%; top: 8%; transform: rotate(-3deg); }
.concept-slot--platform-b { left: 1%; bottom: 8%; transform: rotate(3deg); }
.concept-slot--method { left: 1%; bottom: 8%; transform: rotate(-4deg); }
.concept-slot--method-b { right: 1%; top: 12%; transform: rotate(3deg); }
.concept-slot--modules { right: 1%; bottom: 7%; transform: rotate(4deg); }
.concept-slot--modules-b { left: 1%; top: 11%; transform: rotate(-3deg); }
.concept-slot--philosophy { left: 2%; top: 8%; transform: rotate(-4deg); }
.concept-slot--philosophy-b { right: 1%; bottom: 8%; transform: rotate(4deg); }
.concept-slot--plans { right: 2%; top: 12%; transform: rotate(4deg); }
.concept-slot--plans-b { left: 1%; bottom: 10%; transform: rotate(-3deg); }
.concept-slot--cta { right: 4%; top: 14%; transform: rotate(-4deg); }

.hero .concept-token,
.final-cta .concept-token { color: var(--white); opacity: .06; }
.hero .concept-token:hover,
.hero .concept-token:focus-visible,
.final-cta .concept-token:hover,
.final-cta .concept-token:focus-visible { color: #FFC2C7; opacity: .72; }

@keyframes concept-drift { from { translate: -5px -4px; } to { translate: 10px 7px; } }

.hero {
    min-height: 730px;
    display: grid;
    align-items: center;
    background: #B7B4AE;
    color: var(--white);
}

.hero-image,
.hero-shade {
    position: absolute;
    z-index: 0;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-image { object-fit: cover; object-position: center; }
.hero-shade {
    background:
        linear-gradient(90deg, rgba(14, 15, 18, .92) 0%, rgba(14, 15, 18, .80) 28%, rgba(14, 15, 18, .45) 51%, rgba(14, 15, 18, .09) 74%, rgba(14, 15, 18, .02) 100%),
        linear-gradient(180deg, rgba(14, 15, 18, .12), transparent 44%, rgba(14, 15, 18, .12));
}

.hero-inner { padding-top: 74px; }
.hero-copy { max-width: 720px; padding: 40px 0 64px; }

.eyebrow,
.kicker {
    margin: 0 0 18px;
    color: var(--red-light);
    font-size: .73rem;
    font-weight: 900;
    letter-spacing: .19em;
    text-transform: uppercase;
}

.eyebrow { display: inline-flex; align-items: center; gap: 12px; }
.eyebrow::before { content: ""; width: 30px; height: 2px; background: var(--red-light); }

h1, h2, h3, p { text-wrap: pretty; }
h1, h2, h3 { margin-top: 0; line-height: 1.07; letter-spacing: -.035em; }

h1 {
    margin-bottom: 0;
    color: var(--white);
    font-size: clamp(3rem, 4.2vw, 4.35rem);
    font-weight: 790;
}

h1 em { color: #F8D9D8; font-family: Georgia, "Times New Roman", serif; font-weight: 500; }

.hero-lead {
    max-width: 610px;
    margin: 28px 0 0;
    color: #DEDEE0;
    font-size: clamp(1.03rem, 1.45vw, 1.22rem);
    line-height: 1.72;
}

.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; margin-top: 34px; }

.button {
    display: inline-flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    padding: 13px 23px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: .91rem;
    font-weight: 840;
    transition: transform .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button:focus-visible,
.nav-login:focus-visible,
.text-link:focus-visible,
.plan-card a:focus-visible { outline: 3px solid rgba(224, 74, 86, .35); outline-offset: 3px; }
.button--primary { background: var(--red); color: var(--white); box-shadow: 0 14px 34px rgba(184, 28, 43, .27); }
.button--primary:hover { background: var(--red-dark); box-shadow: 0 18px 42px rgba(184, 28, 43, .34); }
.button--glass { border-color: rgba(255, 255, 255, .4); background: rgba(12, 13, 15, .34); color: var(--white); backdrop-filter: blur(10px); }
.button--glass:hover { border-color: var(--white); background: rgba(255, 255, 255, .1); }

.hero-detail { display: flex; align-items: center; gap: 10px; margin: 28px 0 0; color: #B5B6B9; font-size: .8rem; }
.hero-detail span { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(47, 143, 87, .16); }

.process-ribbon { position: relative; z-index: 10; border-bottom: 1px solid var(--line); background: var(--card); box-shadow: 0 15px 45px rgba(9, 10, 12, .08); }
.process-ribbon__inner { min-height: 112px; display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; }
.process-ribbon a { position: relative; display: grid; grid-template-columns: auto auto 1fr; grid-template-rows: auto auto; align-items: center; gap: 0 12px; padding: 20px 24px; border-radius: 16px; transition: background .2s ease, transform .2s ease; }
.process-ribbon a:hover { background: var(--paper); transform: translateY(-2px); }
.process-ribbon a > b { position: absolute; top: 7px; right: 12px; color: #BDC5D0; font-size: .62rem; letter-spacing: .12em; }
.step-icon { grid-row: 1 / 3; display: grid; width: 46px; height: 46px; place-items: center; border-radius: 50%; background: rgba(184, 28, 43, .1); color: var(--red); font-size: 1.08rem; font-weight: 900; }
.process-ribbon strong { color: var(--navy); font-size: .9rem; }
.process-ribbon small { color: var(--muted); font-size: .7rem; }
.flow-arrow { color: var(--navy-3); font-size: 1.35rem; }

.section { padding: 112px 0; }
.section-heading { max-width: 790px; margin-bottom: 48px; }
.section-heading--split { max-width: none; display: grid; grid-template-columns: 1.15fr .85fr; align-items: end; gap: 90px; }
.section-heading h2,
.philosophy-copy h2,
.faq-intro h2,
.final-cta h2 {
    margin-bottom: 0;
    color: var(--navy);
    font-size: clamp(2.35rem, 4vw, 4.25rem);
    font-weight: 810;
}
.section-heading > p:last-child,
.section-heading--split > p,
.philosophy-copy > p,
.faq-intro > p,
.final-cta p { margin: 18px 0 0; color: var(--muted); font-size: 1rem; }

.platform {
    background:
        linear-gradient(rgba(18, 19, 22, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(18, 19, 22, .035) 1px, transparent 1px),
        var(--paper);
    background-size: 64px 64px;
}

.product-stage {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: var(--radius-xl);
    background: #17191D;
    color: var(--white);
    box-shadow: var(--shadow);
}

.product-topbar { min-height: 78px; display: flex; align-items: center; gap: 30px; padding: 14px 24px; border-bottom: 1px solid rgba(255, 255, 255, .12); background: #23262B; }
.product-brand { display: flex; align-items: center; gap: 13px; }
.brand-mark { color: var(--white); font-size: 1.05rem; font-weight: 900; letter-spacing: .08em; }
.brand-mark::before { content: ""; display: inline-block; width: 17px; height: 3px; margin: 0 3px 4px 0; background: var(--red-light); }
.product-brand small { color: #92959B; font-size: .7rem; }
.product-context { display: grid; margin-left: auto; padding-right: 25px; border-right: 1px solid rgba(255, 255, 255, .12); }
.product-context span { color: #92959B; font-size: .63rem; }
.product-context strong { color: #EBEBEC; font-size: .77rem; }
.live-status { display: inline-flex; align-items: center; gap: 8px; color: #B7B9BD; font-size: .7rem; }
.live-status i { width: 7px; height: 7px; border-radius: 50%; background: #50C47A; box-shadow: 0 0 0 5px rgba(80, 196, 122, .12); }

.product-layout { display: grid; grid-template-columns: 190px 1fr; }
.product-sidebar { display: grid; align-content: start; gap: 5px; min-height: 520px; padding: 26px 16px; border-right: 1px solid rgba(255, 255, 255, .1); background: rgba(255, 255, 255, .035); }
.product-sidebar span { padding: 10px 13px; border-radius: 9px; color: #96999F; font-size: .72rem; }
.product-sidebar .is-active { background: rgba(184, 28, 43, .18); color: #FFD9DC; }
.product-content { padding: 24px; }

.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric-grid article { padding: 18px; border: 1px solid rgba(255, 255, 255, .12); border-radius: 14px; background: rgba(255, 255, 255, .065); }
.metric-grid span { display: block; color: #A4A6AA; font-size: .66rem; }
.metric-grid strong { display: block; margin: 8px 0 3px; color: var(--white); font-size: 1.7rem; line-height: 1; }
.metric-grid small { color: #BFC1C4; font-size: .61rem; }
.metric-grid small.positive { color: #72D394; }

.dashboard-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 12px; margin-top: 12px; }
.chart-card,
.alerts-card { min-height: 322px; padding: 20px; border: 1px solid rgba(255, 255, 255, .12); border-radius: 14px; background: rgba(255, 255, 255, .055); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.card-head strong { color: #F0F4F8; font-size: .79rem; }
.card-head span { color: #8D9096; font-size: .62rem; }
.chart { height: 210px; display: flex; align-items: end; gap: 9%; padding: 38px 20px 0; border-bottom: 1px solid rgba(255, 255, 255, .1); background: repeating-linear-gradient(to bottom, transparent, transparent 49px, rgba(255,255,255,.04) 50px); }
.chart > span { position: relative; flex: 1; height: var(--h); border-radius: 6px 6px 0 0; background: linear-gradient(180deg, #E04A56, #8F1420); box-shadow: 0 -8px 25px rgba(224, 74, 86, .16); }
.chart > span::after { content: ""; position: absolute; top: -4px; left: 50%; width: 8px; height: 8px; border-radius: 50%; background: #FF98A1; transform: translateX(-50%); }
.chart-labels { display: flex; justify-content: space-between; padding: 10px 14px 0; color: #8B8E94; font-size: .55rem; }

.alerts-card ul { margin: 18px 0 0; padding: 0; list-style: none; }
.alerts-card li { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; padding: 15px 0; border-top: 1px solid rgba(255, 255, 255, .08); }
.alerts-card li > i { display: grid; width: 30px; height: 30px; place-items: center; border-radius: 9px; font-size: .72rem; font-style: normal; font-weight: 900; }
.alerts-card i.critical { background: rgba(224, 74, 86, .18); color: #FF8993; }
.alerts-card i.warning { background: rgba(197, 138, 39, .17); color: #E6B75E; }
.alerts-card i.info { background: rgba(185, 188, 194, .14); color: #C8CACD; }
.alerts-card li div strong { display: block; color: #E9EFF5; font-size: .69rem; }
.alerts-card li div span { display: block; margin-top: 2px; color: #909399; font-size: .58rem; }
.alerts-card li > b { color: #96999F; font-size: .58rem; font-weight: 650; }

.software-points { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 34px; border-top: 1px solid rgba(24, 26, 30, .15); border-bottom: 1px solid rgba(24, 26, 30, .15); }
.software-points div { padding: 25px 30px; border-right: 1px solid rgba(24, 26, 30, .15); }
.software-points div:first-child { padding-left: 0; }
.software-points div:last-child { border-right: 0; }
.software-points strong { display: block; color: var(--navy); font-size: .86rem; }
.software-points span { display: block; margin-top: 5px; color: var(--muted); font-size: .75rem; }

.method { background: linear-gradient(145deg, #DDDFE1, var(--paper-2)); color: var(--ink); }
.method::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 12% 30%, rgba(184, 28, 43, .07), transparent 27%); }
.method .section-heading h2 { color: var(--navy); }
.method .section-heading > p:last-child { color: var(--muted); }
.method .kicker--light { color: var(--red); }
.kicker--light { color: #FF8F99; }

.method-flow { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 0; padding: 0; list-style: none; }
.method-flow::before { content: ""; position: absolute; z-index: 0; top: 57px; right: 9%; left: 9%; height: 1px; background: linear-gradient(90deg, rgba(184,28,43,.12), var(--red), rgba(184,28,43,.12)); }
.method-flow > li { position: relative; z-index: 1; min-height: 480px; padding: 27px; border: 1px solid rgba(24, 26, 30, .12); border-radius: var(--radius-lg); background: rgba(248, 248, 246, .88); box-shadow: 0 12px 34px rgba(9,10,12,.06); transition: background .25s ease, transform .25s ease, border-color .25s ease; }
.method-flow > li:hover { border-color: rgba(184, 28, 43, .24); background: var(--white); transform: translateY(-5px); }
.flow-number { position: absolute; top: 18px; right: 20px; color: rgba(24, 26, 30, .28); font-size: .63rem; font-weight: 900; letter-spacing: .14em; }
.flow-symbol { display: grid; width: 62px; height: 62px; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: var(--white); color: var(--red); font-size: 1.3rem; font-weight: 900; box-shadow: 0 8px 22px rgba(9,10,12,.08); }
.flow-concept { display: flex; align-items: baseline; gap: 9px; margin: 32px 0 11px; color: var(--red); }
.flow-concept span { font-size: .65rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.flow-concept b { font-size: .95rem; font-weight: 650; }
.method-flow h3 { margin-bottom: 13px; color: var(--navy); font-size: 1.65rem; }
.method-flow > li > p:not(.flow-concept) { margin: 0; color: var(--muted); font-size: .86rem; }
.method-flow ul { display: grid; gap: 8px; margin: 26px 0 0; padding: 20px 0 0; border-top: 1px solid var(--line-soft); list-style: none; color: #4E5156; font-size: .75rem; }
.method-flow li li { position: relative; padding-left: 16px; }
.method-flow li li::before { content: ""; position: absolute; top: .67em; left: 0; width: 6px; height: 6px; border-radius: 50%; background: var(--green); }

.modules { background: var(--paper); }
.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(24, 26, 30, .15); border-left: 1px solid rgba(24, 26, 30, .15); }
.module-card { position: relative; min-height: 322px; padding: 32px; border-right: 1px solid rgba(24, 26, 30, .15); border-bottom: 1px solid rgba(24, 26, 30, .15); background: rgba(248, 248, 246, .78); transition: background .25s ease, transform .25s ease, box-shadow .25s ease; }
.module-card:hover { z-index: 2; background: var(--white); transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.module-card > span { color: var(--red); font-size: .65rem; font-weight: 900; letter-spacing: .15em; }
.module-card > i { position: absolute; top: 30px; right: 30px; display: grid; width: 40px; height: 40px; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--navy); font-size: 1.1rem; font-style: normal; }
.module-card h3 { margin: 65px 0 13px; color: var(--navy); font-size: 1.38rem; font-weight: 820; }
.module-card p { margin: 0; color: var(--muted); font-size: .86rem; }
.module-card small { position: absolute; right: 32px; bottom: 29px; left: 32px; color: var(--navy); font-size: .7rem; font-weight: 820; }
.module-card--accent { background: var(--navy); }
.module-card--accent:hover { background: var(--navy-2); }
.module-card--accent h3,
.module-card--accent small { color: var(--white); }
.module-card--accent p { color: #C5C6C9; }
.module-card--accent > span { color: #FF9AA3; }
.module-card--accent > i { border-color: rgba(255,255,255,.2); color: #FFB1B8; }

.philosophy { background: var(--card); }
.philosophy-grid { display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 80px; }
.philosophy-photo { position: relative; min-height: 650px; margin: 0; overflow: hidden; border-radius: var(--radius-xl); background: var(--navy); box-shadow: var(--shadow-soft); }
.philosophy-photo img { width: 100%; height: 100%; min-height: 650px; object-fit: cover; object-position: 44% center; }
.philosophy-photo::after { content: ""; position: absolute; inset: 55% 0 0; background: linear-gradient(transparent, rgba(13, 14, 17, .68)); }
.philosophy-photo figcaption { position: absolute; z-index: 2; right: 28px; bottom: 25px; left: 28px; display: flex; align-items: center; gap: 16px; color: var(--white); }
.philosophy-photo figcaption b { font-size: 2.5rem; font-weight: 600; }
.philosophy-photo figcaption span { max-width: 290px; color: #E0E0E1; font-size: .78rem; }
.philosophy-copy > p { line-height: 1.7; }
.principle-list { display: grid; margin-top: 32px; border-top: 1px solid var(--line); }
.principle-list article { display: grid; grid-template-columns: 74px 1fr; align-items: center; gap: 18px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.principle-list article > span { color: rgba(184, 28, 43, .25); font-size: 1.7rem; font-weight: 750; }
.principle-list strong { color: var(--navy); font-size: .92rem; }
.principle-list p { margin: 3px 0 0; color: var(--muted); font-size: .78rem; }
.concept-hint { display: flex; align-items: center; gap: 10px; margin-top: 25px !important; color: #74777D !important; font-size: .72rem !important; }
.concept-hint i { width: 8px; height: 8px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 5px rgba(184, 28, 43, .1); }

.plans { background: linear-gradient(145deg, #DCDDDF, var(--paper-2)); color: var(--ink); }
.plans::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 82% 16%, rgba(184, 28, 43, .07), transparent 25%); }
.plans .section-heading h2 { color: var(--navy); }
.plans .section-heading > p:last-child { color: var(--muted); }
.plans .kicker--light { color: var(--red); }
.plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); align-items: stretch; gap: 18px; }
.plan-card { display: flex; min-height: 490px; flex-direction: column; padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: rgba(248, 248, 246, .92); color: var(--ink); box-shadow: 0 12px 34px rgba(9,10,12,.06); }
.plan-card--featured { border-color: var(--navy); background: var(--navy); color: var(--white); transform: translateY(-12px); box-shadow: var(--shadow); }
.plan-label { margin: 0; color: var(--red); font-size: .68rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.plan-card--featured .plan-label { color: #FFADB4; }
.plan-card h3 { margin: 17px 0 10px; color: var(--navy); font-size: 2rem; }
.plan-card--featured h3 { color: var(--white); }
.plan-summary { min-height: 74px; margin: 0; color: var(--muted); font-size: .87rem; }
.plan-card--featured .plan-summary { color: #C8C9CC; }
.plan-card ul { display: grid; gap: 12px; margin: 28px 0 34px; padding: 24px 0 0; border-top: 1px solid var(--line-soft); list-style: none; color: #4E5156; font-size: .82rem; }
.plan-card--featured ul { border-color: rgba(255,255,255,.14); color: #E0E7ED; }
.plan-card li { position: relative; padding-left: 20px; }
.plan-card li::before { content: ""; position: absolute; left: 0; top: .65em; width: 7px; height: 7px; border-radius: 50%; background: #60C985; }
.plan-card a { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 19px; border-top: 1px solid var(--line-soft); color: var(--navy); font-size: .82rem; font-weight: 850; }
.plan-card--featured a { border-color: rgba(255,255,255,.14); color: var(--white); }
.plan-card a span { transition: transform .2s ease; }
.plan-card a:hover span { transform: translateX(5px); }

.faq { background: var(--paper); }
.faq-grid { display: grid; grid-template-columns: .76fr 1.24fr; align-items: start; gap: 100px; }
.faq-intro { position: sticky; top: 112px; }
.text-link { display: inline-flex; align-items: center; gap: 10px; margin-top: 28px; color: var(--red); font-size: .84rem; font-weight: 850; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(5px); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 25px 0; color: var(--navy); font-weight: 790; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { position: relative; flex: 0 0 auto; width: 24px; height: 24px; border: 1px solid var(--line); border-radius: 50%; }
.faq-list summary span::before,
.faq-list summary span::after { content: ""; position: absolute; top: 50%; left: 50%; width: 9px; height: 1px; background: var(--navy); transform: translate(-50%, -50%); transition: transform .2s ease; }
.faq-list summary span::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-list details[open] summary span::after { transform: translate(-50%, -50%); }
.faq-list details p { margin: -4px 42px 24px 0; color: var(--muted); font-size: .87rem; }

.final-cta { padding: 112px 0; background: linear-gradient(135deg, var(--red-dark), var(--red)); color: var(--white); }
.final-cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, .09), transparent 27%); }
.final-cta-inner { max-width: 900px; text-align: center; }
.final-cta h2 { color: var(--white); }
.final-cta p { max-width: 650px; margin-inline: auto; color: #FFE1E4; }
.hero-actions--center { justify-content: center; }
.button--light { background: var(--white); color: var(--red-dark); }
.button--light:hover { box-shadow: 0 14px 32px rgba(73, 0, 8, .22); }
.button--outline-light { border-color: rgba(255, 255, 255, .48); color: var(--white); }
.button--outline-light:hover { border-color: var(--white); background: rgba(255, 255, 255, .08); }

.site-footer { padding: 52px 0; background: #090A0C; color: #A4A6AA; }
.footer-inner { display: grid; grid-template-columns: 1.15fr 1fr 1fr; align-items: end; gap: 50px; }
.footer-inner img { width: 116px; height: auto; }
.footer-inner p { margin: 12px 0 0; font-size: .75rem; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 20px; font-size: .75rem; }
.footer-links a:hover,
.footer-legal a:hover { color: var(--white); }
.footer-legal { display: grid; justify-items: end; gap: 5px; font-size: .72rem; }

.whatsapp-float { position: fixed; z-index: 900; right: 22px; bottom: 22px; display: grid; width: 54px; height: 54px; place-items: center; border: 3px solid rgba(255,255,255,.86); border-radius: 50%; background: #1FAF60; color: var(--white); box-shadow: 0 14px 30px rgba(9,10,12,.24); font-size: .7rem; font-weight: 900; transition: transform .2s ease; }
.whatsapp-float:hover { transform: translateY(-3px) scale(1.03); }

.concept-dialog { width: min(calc(100% - 32px), 560px); padding: 44px; border: 0; border-radius: var(--radius-lg); background: var(--card); color: var(--ink); box-shadow: 0 34px 100px rgba(9,10,12,.40); }
.concept-dialog::backdrop { background: rgba(9,10,12,.74); backdrop-filter: blur(8px); }
.dialog-close { position: absolute; top: 16px; right: 16px; display: grid; width: 38px; height: 38px; place-items: center; border: 1px solid var(--line); border-radius: 50%; background: var(--white); color: var(--navy); cursor: pointer; font-size: 1.35rem; }
.dialog-japanese { color: rgba(184,28,43,.16); font-family: "Noto Sans JP", "Yu Gothic", sans-serif; font-size: clamp(4rem, 14vw, 7.5rem); font-weight: 850; line-height: .9; }
.dialog-roman { margin: 22px 0 5px; color: var(--red); font-size: .72rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.concept-dialog h2 { margin: 0; color: var(--navy); font-size: 2rem; }
.dialog-description { margin: 18px 0 0; color: var(--muted); }
.dialog-application { margin-top: 26px; padding: 20px; border-left: 3px solid var(--red); background: var(--paper); }
.dialog-application span { color: var(--red); font-size: .66rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.dialog-application p { margin: 7px 0 0; color: var(--navy); font-size: .87rem; font-weight: 650; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .72s ease, transform .72s cubic-bezier(.2,.7,.2,1); }
.reveal--delay { transition-delay: .12s; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
    .site-nav { gap: 12px; font-size: .8rem; }
    html[lang="ja"] .site-nav { font-size: .76rem; }
    .hero { min-height: 700px; }
    .process-ribbon a { padding-inline: 14px; }
    .product-layout { grid-template-columns: 160px 1fr; }
    .metric-grid { grid-template-columns: repeat(2, 1fr); }
    .method-flow { grid-template-columns: repeat(2, 1fr); }
    .method-flow::before { display: none; }
    .philosophy-grid { gap: 52px; }
    .faq-grid { gap: 60px; }
}

@media (max-width: 860px) {
    .nav-toggle { display: flex; }
    .site-nav { position: fixed; z-index: 999; top: 74px; right: 0; left: 0; display: grid; gap: 0; padding: 18px 20px 22px; border-bottom: 1px solid rgba(255,255,255,.1); background: rgba(10,24,38,.985); box-shadow: var(--shadow); transform: translateY(-130%); visibility: hidden; transition: transform .28s ease, visibility .28s; }
    .site-nav.is-open { transform: translateY(0); visibility: visible; }
    .site-nav > a:not(.nav-login) { padding: 13px 6px; border-bottom: 1px solid rgba(255,255,255,.08); }
    .language-switch { justify-self: start; margin-top: 14px; }
    .nav-login { justify-content: center; margin-top: 14px; }

    .hero { min-height: 760px; align-items: end; }
    .hero-image { object-position: 65% center; }
    .hero-shade { background: linear-gradient(90deg, rgba(14,15,18,.90), rgba(14,15,18,.62) 55%, rgba(14,15,18,.09)), linear-gradient(180deg, rgba(14,15,18,.06), rgba(14,15,18,.70)); }
    .hero-copy { max-width: 620px; padding: 118px 0 58px; }
    .process-ribbon__inner { grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 13px 0; }
    .process-ribbon a { grid-template-columns: 1fr; justify-items: center; gap: 4px; padding: 12px 5px; text-align: center; }
    .process-ribbon a > b,
    .flow-arrow { display: none; }
    .step-icon { grid-row: auto; width: 42px; height: 42px; }
    .process-ribbon small { display: none; }

    .section { padding: 86px 0; }
    .section-heading--split { grid-template-columns: 1fr; gap: 0; }
    .product-layout { grid-template-columns: 1fr; }
    .product-sidebar { min-height: 0; grid-template-columns: repeat(3, 1fr); border-right: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
    .product-sidebar span:nth-child(n+4) { display: none; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .software-points { grid-template-columns: 1fr; }
    .software-points div { padding: 20px 0; border-right: 0; border-bottom: 1px solid rgba(24,26,30,.15); }
    .philosophy-grid { grid-template-columns: 1fr; }
    .philosophy-photo { min-height: 520px; }
    .philosophy-photo img { min-height: 520px; }
    .module-grid { grid-template-columns: repeat(2, 1fr); }
    .plans-grid { grid-template-columns: 1fr; }
    .plan-card { min-height: 0; }
    .plan-card--featured { transform: none; }
    .plan-summary { min-height: 0; }
    .faq-grid { grid-template-columns: 1fr; gap: 40px; }
    .faq-intro { position: static; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .footer-legal { grid-column: 1 / -1; justify-items: start; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }
}

@media (max-width: 620px) {
    .shell { width: min(calc(100% - 28px), var(--shell)); }
    .header-inner { min-height: 70px; }
    .brand img { width: 118px; }
    .site-nav { top: 70px; }
    .hero { min-height: 720px; }
    .hero-image { object-position: 68% center; }
    .hero-shade { background: linear-gradient(180deg, rgba(14,15,18,.08), rgba(14,15,18,.60) 52%, rgba(14,15,18,.91)); }
    .hero-copy { padding: 255px 0 48px; }
    .eyebrow {
        margin-bottom: 16px;
        padding: 7px 11px 7px 9px;
        border: 1px solid rgba(255,255,255,.20);
        border-radius: 999px;
        background: rgba(8, 22, 35, .58);
        box-shadow: 0 5px 18px rgba(0,0,0,.16);
        color: #FF7180;
        font-size: .76rem;
        letter-spacing: .16em;
        text-shadow: 0 1px 7px rgba(0,0,0,.58);
        backdrop-filter: blur(7px);
        -webkit-backdrop-filter: blur(7px);
    }
    .eyebrow::before { width: 27px; height: 3px; background: #FF5268; box-shadow: 0 0 10px rgba(255,82,104,.28); }
    h1 { font-size: clamp(2.6rem, 12.7vw, 4.1rem); }
    .hero-lead { font-size: .95rem; }
    .hero-actions { align-items: stretch; flex-direction: column; }
    .button { width: 100%; }
    .hero-detail { font-size: .7rem; }
    .process-ribbon__inner { overflow-x: auto; grid-template-columns: repeat(4, minmax(92px, 1fr)); }
    .process-ribbon strong { font-size: .75rem; }

    .section { padding: 70px 0; }
    .section-heading h2,
    .philosophy-copy h2,
    .faq-intro h2,
    .final-cta h2 { font-size: clamp(2rem, 10vw, 3rem); }
    .section-heading { margin-bottom: 36px; }
    .product-topbar { align-items: flex-start; flex-wrap: wrap; gap: 12px; }
    .product-context { order: 3; width: 100%; margin-left: 0; padding: 12px 0 0; border-top: 1px solid rgba(255,255,255,.08); border-right: 0; }
    .live-status { margin-left: auto; }
    .product-sidebar { grid-template-columns: repeat(3, minmax(100px, 1fr)); overflow-x: auto; padding: 14px; }
    .product-content { padding: 14px; }
    .metric-grid { grid-template-columns: 1fr 1fr; }
    .metric-grid article { padding: 14px; }
    .dashboard-grid { display: block; }
    .chart-card { min-height: 290px; }
    .alerts-card { margin-top: 12px; }
    .chart { padding-inline: 8px; }
    .method-flow { grid-template-columns: 1fr; }
    .method-flow > li { min-height: 0; }
    .module-grid { grid-template-columns: 1fr; }
    .module-card { min-height: 285px; padding: 28px; }
    .module-card small { right: 28px; left: 28px; }
    .philosophy-photo { min-height: 420px; }
    .philosophy-photo img { min-height: 420px; object-position: 38% center; }
    .philosophy-photo figcaption { right: 20px; left: 20px; }
    .plan-card { padding: 28px; }
    .final-cta { padding: 86px 0; }
    .footer-inner { grid-template-columns: 1fr; }
    .footer-links { padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); }
    .footer-legal { grid-column: auto; }
    .whatsapp-float { right: 14px; bottom: 14px; }
    .concept-dialog { padding: 34px 24px 26px; }
    .concept-token__roman { font-size: .9rem; }
    .concept-token__japanese { font-size: 1.42rem; }
    .concept-slot--hero-a { right: -6%; top: 16%; }
    .concept-slot--hero-b { left: -6%; bottom: 4%; }
    .concept-slot--platform { right: -6%; top: 5%; }
    .concept-slot--platform-b { left: -6%; bottom: 5%; }
    .concept-slot--method { left: -6%; bottom: 4%; }
    .concept-slot--method-b { right: -6%; top: 5%; }
    .concept-slot--modules { right: -6%; bottom: 4%; }
    .concept-slot--modules-b { left: -6%; top: 5%; }
    .concept-slot--philosophy { left: -6%; top: 4%; }
    .concept-slot--philosophy-b { right: -6%; bottom: 5%; }
    .concept-slot--plans { right: -6%; top: 6%; }
    .concept-slot--plans-b { left: -6%; bottom: 5%; }
    .concept-slot--cta { right: -6%; top: 7%; }
    .hero::after,
    .method::after,
    .philosophy::after,
    .plans::after,
    .final-cta::after { width: 230px; opacity: .1; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
}

@media print {
    .site-header, .whatsapp-float, .concept-slot, .hero-actions, .final-cta { display: none !important; }
    body { background: #fff; color: #000; }
    .hero { min-height: 0; padding: 40px; background: #fff; }
    .hero-image, .hero-shade { display: none; }
    .hero h1, .hero p { color: #000; }
    .section { padding: 30px 0; }
}