:root {
    --scroll-ink: #151512;
    --scroll-paper: #f6f0e5;
    --scroll-paper-deep: #ebe1d1;
    --scroll-gold: #aa8240;
    --scroll-muted: #74736b;
    --scroll-line: rgba(77, 69, 56, 0.2);
    --scroll-error: #87473e;
    --scroll-serif: "Iowan Old Style", "Hiragino Mincho ProN", "Yu Mincho", Georgia, serif;
    --scroll-sans: "Avenir Next", "Hiragino Sans", "Yu Gothic", sans-serif;
    --scroll-ease-out: cubic-bezier(0.23, 1, 0.32, 1);
}

body.scrollarc-page {
    background: var(--scroll-paper);
    color: var(--scroll-ink);
    font-family: var(--scroll-sans);
}

.scrollarc-page h1,
.scrollarc-page h2,
.scrollarc-page h3,
.scrollarc-page .nav__brand {
    font-family: var(--scroll-serif);
    font-weight: 400;
}

.scrollarc-page .nav {
    border-color: var(--scroll-line);
    background: rgba(246, 240, 229, 0.92);
}

.scrollarc-page .nav__brand,
.scrollarc-page .nav__brand:hover {
    color: var(--scroll-ink);
}

.scrollarc-page .nav__link {
    color: var(--scroll-muted);
}

.scrollarc-page .lang-switch {
    border-color: var(--scroll-line);
    background: #fffaf1;
}

.scrollarc-page .lang-switch__button {
    color: var(--scroll-muted);
}

.scrollarc-page .lang-switch__button.is-active {
    background: var(--scroll-ink);
    color: var(--scroll-paper);
}

.scrollarc-page .nav__toggle span {
    background: var(--scroll-ink);
    transition: transform 160ms var(--scroll-ease-out), opacity 160ms ease;
}

.scrollarc-page .nav__brand,
.scrollarc-page .nav__toggle,
.scrollarc-page .lang-switch__button,
.scrollarc-page .nav__link,
.scrollarc-page .scrollarc-links a {
    transition: color 160ms ease, background-color 160ms ease, transform 140ms var(--scroll-ease-out);
}

.scrollarc-page .nav__brand:active,
.scrollarc-page .nav__toggle:active,
.scrollarc-page .lang-switch__button:active,
.scrollarc-page .nav__link:active,
.scrollarc-page .scrollarc-links a:active {
    transform: scale(0.97);
}

.scrollarc-hero {
    position: relative;
    min-height: 820px;
    overflow: hidden;
    border-bottom: 1px solid var(--scroll-line);
}

.scrollarc-hero::after {
    content: "";
    position: absolute;
    top: -560px;
    right: -470px;
    width: 1020px;
    height: 1020px;
    border: 1px solid color-mix(in oklab, var(--scroll-gold) 72%, transparent);
    border-radius: 50%;
    pointer-events: none;
}

.scrollarc-hero .container {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
    gap: clamp(48px, 7vw, 104px);
    align-items: center;
    min-height: 820px;
    padding-top: clamp(64px, 9vw, 112px);
    padding-bottom: clamp(64px, 9vw, 112px);
}

.scrollarc-hero__copy {
    position: relative;
    z-index: 2;
    min-width: 0;
}

.scrollarc-brand-line {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 0 0 38px;
    color: var(--scroll-ink);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.26em;
}

.scrollarc-mark {
    display: inline-grid;
    width: 32px;
    height: 32px;
    flex: 0 0 auto;
    border: 1px solid var(--scroll-gold);
    border-radius: 50%;
    place-items: center;
}

.scrollarc-mark::after {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--scroll-gold);
}

.scrollarc-hero h1 {
    max-width: 14ch;
    margin: 0;
    color: var(--scroll-ink);
    font-size: clamp(3.7rem, 5.8vw, 5.9rem);
    letter-spacing: -0.045em;
    line-height: 0.98;
}

.scrollarc-hero__lead {
    max-width: 32rem;
    margin: 34px 0 0;
    color: var(--scroll-muted);
    font-size: clamp(1.08rem, 1.4vw, 1.35rem);
    line-height: 1.8;
}

.scrollarc-store-status {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 38px;
}

.scrollarc-store-status span {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    padding: 10px 15px;
    border: 1px solid var(--scroll-line);
    border-radius: 999px;
    background: rgba(255, 250, 241, 0.72);
    color: var(--scroll-muted);
    font-size: 0.84rem;
    font-weight: 650;
}

.scrollarc-hero__visual {
    position: relative;
    z-index: 1;
    align-self: end;
    max-width: 390px;
    margin: 0 auto -145px;
}

.scrollarc-hero__visual::before {
    content: "";
    position: absolute;
    inset: 9% -12% auto;
    height: 78%;
    border-radius: 50%;
    background: color-mix(in oklab, var(--scroll-gold) 17%, transparent);
    filter: blur(44px);
}

.scrollarc-hero__visual img {
    position: relative;
    display: block;
    width: 100%;
    border: 1px solid var(--scroll-line);
    border-radius: 42px;
    box-shadow: 0 34px 74px rgba(31, 27, 21, 0.2);
}

.scrollarc-trust {
    border-bottom: 1px solid rgba(246, 240, 229, 0.12);
    background: var(--scroll-ink);
    color: var(--scroll-paper);
}

.scrollarc-trust .container {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding-top: 26px;
    padding-bottom: 26px;
}

.scrollarc-trust p {
    display: flex;
    min-width: 0;
    align-items: baseline;
    gap: 10px;
    margin: 0;
    padding: 7px 20px;
    border-left: 1px solid rgba(246, 240, 229, 0.14);
    color: #d7d1c7;
    font-size: 0.86rem;
    line-height: 1.5;
}

.scrollarc-trust p:first-child {
    border-left: 0;
}

.scrollarc-trust span,
.scrollarc-toolkit__number {
    color: #c5a461;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.scrollarc-manifesto {
    padding: clamp(84px, 12vw, 168px) 0;
    background: var(--scroll-ink);
    color: var(--scroll-paper);
}

.scrollarc-manifesto__grid {
    display: grid;
    grid-template-columns: minmax(180px, 0.42fr) minmax(0, 1fr);
    gap: clamp(44px, 10vw, 150px);
}

.scrollarc-kicker {
    margin: 0;
    color: #c5a461;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scrollarc-manifesto h2 {
    max-width: 13ch;
    margin: 0;
    color: var(--scroll-paper);
    font-size: clamp(2.9rem, 5.8vw, 5.8rem);
    letter-spacing: -0.045em;
    line-height: 0.98;
}

.scrollarc-manifesto__body {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
    margin-top: 72px;
}

.scrollarc-principle {
    padding-top: 22px;
    border-top: 1px solid rgba(246, 240, 229, 0.18);
}

.scrollarc-principle small {
    color: #c5a461;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.scrollarc-principle h3 {
    margin: 18px 0 12px;
    color: var(--scroll-paper);
    font-size: 1.75rem;
}

.scrollarc-principle p {
    margin: 0;
    color: #bcb7ae;
    line-height: 1.75;
}

.scrollarc-feature-section {
    padding: clamp(84px, 12vw, 156px) 0;
}

.scrollarc-section-head {
    display: grid;
    grid-template-columns: 0.55fr 1fr;
    gap: 48px;
    align-items: end;
    margin-bottom: clamp(54px, 8vw, 92px);
}

.scrollarc-section-head h2 {
    margin: 0;
    font-size: clamp(2.8rem, 5.6vw, 5.6rem);
    letter-spacing: -0.045em;
    line-height: 0.98;
}

.scrollarc-section-head p:last-child {
    max-width: 36rem;
    margin: 0;
    color: var(--scroll-muted);
    line-height: 1.8;
}

.scrollarc-feature-rows {
    border-top: 1px solid var(--scroll-line);
}

.scrollarc-feature-row {
    display: grid;
    grid-template-columns: 80px minmax(180px, 0.75fr) minmax(0, 1fr);
    gap: 32px;
    align-items: baseline;
    padding: 34px 0;
    border-bottom: 1px solid var(--scroll-line);
}

.scrollarc-feature-row span {
    color: var(--scroll-gold);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.14em;
}

.scrollarc-feature-row h3 {
    margin: 0;
    font-size: 1.75rem;
}

.scrollarc-feature-row p {
    margin: 0;
    color: var(--scroll-muted);
    line-height: 1.75;
}

.scrollarc-toolkit {
    padding: clamp(84px, 12vw, 156px) 0;
    border-top: 1px solid rgba(246, 240, 229, 0.12);
    background: var(--scroll-ink);
    color: var(--scroll-paper);
}

.scrollarc-toolkit .scrollarc-section-head h2 {
    color: var(--scroll-paper);
}

.scrollarc-toolkit .scrollarc-section-head p:last-child {
    color: #bcb7ae;
}

.scrollarc-toolkit__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid rgba(246, 240, 229, 0.18);
    border-left: 1px solid rgba(246, 240, 229, 0.18);
}

.scrollarc-toolkit__grid article {
    min-height: 280px;
    padding: clamp(28px, 4vw, 48px);
    border-right: 1px solid rgba(246, 240, 229, 0.18);
    border-bottom: 1px solid rgba(246, 240, 229, 0.18);
}

.scrollarc-toolkit__grid h3 {
    max-width: 15ch;
    margin: 32px 0 14px;
    color: var(--scroll-paper);
    font-size: clamp(1.7rem, 2.8vw, 2.35rem);
    line-height: 1.1;
}

.scrollarc-toolkit__grid p:last-child {
    max-width: 34rem;
    margin: 0;
    color: #bcb7ae;
    line-height: 1.75;
}

.scrollarc-plus {
    padding: clamp(84px, 12vw, 156px) 0;
    border-top: 1px solid var(--scroll-line);
}

.scrollarc-plus .container {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(340px, 0.7fr);
    gap: clamp(54px, 9vw, 128px);
}

.scrollarc-plus__intro h2 {
    max-width: 12ch;
    margin: 18px 0 24px;
    font-size: clamp(3rem, 5.4vw, 5.3rem);
    letter-spacing: -0.045em;
    line-height: 0.98;
}

.scrollarc-plus__intro > p:not(.scrollarc-kicker),
.scrollarc-plus__plans p {
    color: var(--scroll-muted);
    line-height: 1.8;
}

.scrollarc-price-intent {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 34px 0 18px;
}

.scrollarc-price-intent span {
    display: grid;
    gap: 5px;
    padding: 18px 20px;
    border: 1px solid var(--scroll-line);
    border-radius: 16px;
    background: rgba(255, 250, 241, 0.58);
    font-family: var(--scroll-serif);
    font-size: 1.65rem;
}

.scrollarc-price-intent small {
    color: var(--scroll-muted);
    font-family: var(--scroll-sans);
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.scrollarc-plus__note {
    font-size: 0.82rem;
}

.scrollarc-plus__plans {
    align-self: center;
    border-top: 1px solid var(--scroll-line);
}

.scrollarc-plus__plans article {
    padding: 32px 0;
    border-bottom: 1px solid var(--scroll-line);
}

.scrollarc-plus__plans .scrollarc-plus__label {
    margin: 0 0 12px;
    color: var(--scroll-gold);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.scrollarc-plus__plans h3 {
    margin: 0 0 10px;
    font-size: 2rem;
}

.scrollarc-plus__plans p:last-child {
    margin: 0;
}

.scrollarc-links {
    padding: 56px 0;
    background: var(--scroll-ink);
}

.scrollarc-links .container {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 30px;
}

.scrollarc-links a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    color: #d7cfc2;
    font-weight: 650;
}

.scrollarc-page .footer {
    border-color: rgba(246, 240, 229, 0.12);
    background: var(--scroll-ink);
    color: #a9a49b;
}

.scrollarc-page .footer__link {
    color: #cfc7ba;
}

.scrollarc-legal {
    max-width: 780px;
    margin: 0 auto;
    padding: clamp(64px, 9vw, 112px) 24px clamp(90px, 12vw, 150px);
}

.scrollarc-legal__eyebrow {
    margin: 0 0 24px;
    color: var(--scroll-gold);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.scrollarc-legal h1 {
    margin: 0 0 20px;
    font-size: clamp(3rem, 7vw, 5.8rem);
    letter-spacing: -0.05em;
    line-height: 0.94;
}

.scrollarc-legal__updated {
    margin: 0 0 64px;
    color: var(--scroll-muted);
}

.scrollarc-legal h2 {
    margin: 54px 0 16px;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    letter-spacing: -0.025em;
}

.scrollarc-legal h3 {
    margin: 34px 0 10px;
    font-size: 1.35rem;
}

.scrollarc-legal p,
.scrollarc-legal li {
    color: #59574f;
    line-height: 1.85;
}

.scrollarc-legal ul,
.scrollarc-legal ol {
    padding-left: 1.4em;
}

.scrollarc-legal a {
    color: #77581f;
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.scrollarc-contact-box {
    margin: 42px 0;
    padding: 28px;
    border: 1px solid var(--scroll-line);
    border-radius: 20px;
    background: #fffaf1;
}

.scrollarc-contact-box h2 {
    margin-top: 0;
}

.scrollarc-legal-note {
    margin: 34px 0;
    padding: 22px 24px;
    border-left: 3px solid var(--scroll-gold);
    background: rgba(255, 250, 241, 0.72);
}

.scrollarc-legal-note p:first-child {
    margin-top: 0;
}

.scrollarc-legal-note p:last-child {
    margin-bottom: 0;
}

html[data-embedded="true"] .nav,
html[data-embedded="true"] .footer,
html[data-embedded="true"] .scrollarc-links {
    display: none;
}

@keyframes scrollarc-reveal {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

.scrollarc-hero__copy,
.scrollarc-hero__visual {
    animation: scrollarc-reveal 480ms var(--scroll-ease-out) both;
}

.scrollarc-hero__visual {
    animation-delay: 60ms;
}

@media (hover: hover) and (pointer: fine) {
    .scrollarc-page .nav__brand:hover,
    .scrollarc-page .nav__link:hover,
    .scrollarc-page .scrollarc-links a:hover {
        color: var(--scroll-gold);
    }
}

@media (hover: none), (pointer: coarse) {
    .scrollarc-page .nav__link:hover,
    .scrollarc-page .lang-switch__button:hover {
        color: var(--scroll-muted);
    }

    .scrollarc-page .lang-switch__button.is-active:hover {
        color: var(--scroll-paper);
    }

    .scrollarc-page .scrollarc-links a:hover {
        color: #d7cfc2;
    }
}

@media (max-width: 820px) {
    .scrollarc-hero {
        min-height: 0;
    }

    .scrollarc-hero .container,
    .scrollarc-plus .container {
        grid-template-columns: minmax(0, 1fr);
    }

    .scrollarc-hero .container {
        min-height: 0;
    }

    .scrollarc-hero__visual {
        width: min(82vw, 390px);
        margin-bottom: -45%;
    }

    .scrollarc-manifesto__grid,
    .scrollarc-section-head {
        grid-template-columns: 1fr;
    }

    .scrollarc-manifesto__body {
        grid-template-columns: 1fr;
    }

    .scrollarc-trust .container {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .scrollarc-trust p:nth-child(3) {
        border-left: 0;
    }

    .scrollarc-feature-row {
        grid-template-columns: 52px 1fr;
    }

    .scrollarc-feature-row p {
        grid-column: 2;
    }

    .scrollarc-toolkit__grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .scrollarc-toolkit__grid article {
        min-height: 0;
    }
}

@media (max-width: 560px) {
    .scrollarc-hero__copy,
    .scrollarc-store-status {
        width: 100%;
        max-width: 100%;
    }

    .scrollarc-store-status span {
        max-width: 100%;
    }

    .scrollarc-hero h1 {
        max-width: 100%;
        font-size: clamp(2.65rem, 12vw, 4rem);
        line-height: 1;
        overflow-wrap: break-word;
    }

    .scrollarc-hero__visual {
        margin-bottom: -56%;
    }

    .scrollarc-feature-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .scrollarc-feature-row p {
        grid-column: 1;
    }

    .scrollarc-trust .container,
    .scrollarc-price-intent {
        grid-template-columns: minmax(0, 1fr);
    }

    .scrollarc-trust p {
        border-left: 0;
        border-top: 1px solid rgba(246, 240, 229, 0.14);
        padding-right: 0;
        padding-left: 0;
    }

    .scrollarc-trust p:first-child {
        border-top: 0;
    }

}

@media (prefers-reduced-motion: reduce) {
    .scrollarc-hero__copy,
    .scrollarc-hero__visual {
        animation: none;
    }

    .scrollarc-page .nav__brand,
    .scrollarc-page .nav__toggle,
    .scrollarc-page .lang-switch__button,
    .scrollarc-page .nav__link,
    .scrollarc-page .scrollarc-links a {
        transition: color 160ms ease, background-color 160ms ease;
    }
}