:root {
    --paper: #f7f5ee;
    --paper-deep: #efede3;
    --panel: #fffefa;
    --ink: #203a31;
    --muted: #55635a;
    --green: #2f5c4c;
    --green-dark: #20483b;
    --green-soft: #e7eee8;
    --line: #d7d9ce;
    --gold: #826038;
    --gold-soft: #f2e9db;
    --focus: #a7650f;
    --radius: 24px;
    --shadow: 0 20px 55px rgba(33, 58, 48, .10);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
    font-size: 16px;
    line-height: 1.85;
    letter-spacing: .025em;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea, summary { font: inherit; }
a, button, summary { touch-action: manipulation; }
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex]:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 4px;
}
h1, h2, h3, p, figure, ul, dl, dd { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
h1, h2 {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
    font-weight: 500;
    line-height: 1.55;
}
h2 { font-size: clamp(1.75rem, 3vw, 2.35rem); }
h3 { line-height: 1.55; }
[id] { scroll-margin-top: 110px; }

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 12px;
    left: 12px;
    transform: translateY(-180%);
    background: #fff;
    border: 2px solid var(--green-dark);
    border-radius: 8px;
    padding: 9px 14px;
    font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }

.stage-banner {
    background: #5c451f;
    color: #fff;
    padding: 7px 16px;
    text-align: center;
    font-size: .8125rem;
    font-weight: 700;
    letter-spacing: .04em;
}

.site-header {
    position: relative;
    z-index: 50;
    background: rgba(247, 245, 238, .96);
    border-bottom: 1px solid rgba(215, 217, 206, .8);
}
.header-inner {
    width: min(1180px, 92%);
    min-height: 82px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.wordmark {
    display: inline-flex;
    align-items: baseline;
    flex-shrink: 0;
    font-family: Georgia, "Yu Mincho", serif;
    font-size: 1.75rem;
    letter-spacing: .12em;
    line-height: 1;
    white-space: nowrap;
}
.wordmark span {
    margin-left: 11px;
    font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
    font-size: .8125rem;
    font-weight: 700;
    letter-spacing: .12em;
}
.desktop-nav { display: flex; align-items: center; gap: 26px; }
.desktop-nav a {
    padding: 10px 0;
    color: #354d44;
    font-size: .8125rem;
    font-weight: 600;
}
.desktop-nav a:hover { color: var(--gold); }
.mobile-menu { display: none; position: relative; }

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--green);
    border-radius: 12px;
    background: var(--green);
    color: #fff;
    padding: 12px 22px;
    font-size: .875rem;
    font-weight: 700;
    line-height: 1.55;
    text-align: center;
    transition: background-color .18s ease, border-color .18s ease, transform .18s ease;
}
.button:hover { background: var(--green-dark); border-color: var(--green-dark); transform: translateY(-1px); }
.button-outline { background: transparent; color: var(--green-dark); }
.button-outline:hover { background: var(--green-soft); color: var(--green-dark); }
.button-bronze { background: var(--gold); border-color: var(--gold); }
.button-bronze:hover { background: #684821; border-color: #684821; }
.button-small { min-height: 44px; padding: 9px 16px; font-size: .8125rem; }

.section { width: min(1160px, 90%); margin: 0 auto; padding: 82px 0; }
.eyebrow {
    margin-bottom: 13px;
    color: #526c5d;
    font-size: .8125rem;
    font-weight: 800;
    letter-spacing: .17em;
    text-transform: uppercase;
}
.section-heading h2 { margin-bottom: 0; }
.centered-heading { max-width: 760px; margin: 0 auto 36px; text-align: center; }
.section-lead { max-width: 760px; color: var(--muted); font-size: .9375rem; }
.centered-heading .section-lead { margin: 14px auto 0; }

.hero {
    width: min(1380px, 100%);
    min-height: 650px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(390px, .98fr);
    align-items: stretch;
}
.hero-copy {
    align-self: center;
    max-width: 700px;
    padding: 76px 58px 72px max(5%, calc((100vw - 1160px) / 2));
}
.hero h1 {
    margin-bottom: 22px;
    font-size: clamp(2.1rem, 4.25vw, 3.55rem);
    letter-spacing: .035em;
    line-height: 1.55;
    text-wrap: pretty;
}
.hero-title-phrase, .about-title-phrase { display: inline; }
.hero-lead {
    max-width: 610px;
    margin-bottom: 27px;
    font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
    font-size: clamp(1.05rem, 1.55vw, 1.22rem);
    line-height: 2;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 25px; }
.hero-actions .button { min-width: 180px; }
.hero-facts {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin: 0;
    padding: 0;
    list-style: none;
}
.hero-facts li {
    border: 1px solid var(--line);
    border-radius: 100px;
    background: rgba(255, 254, 250, .68);
    padding: 5px 12px;
    color: #44554d;
    font-size: .8125rem;
    font-weight: 600;
}
.hero-visual {
    position: relative;
    min-height: 650px;
    margin: 0;
    overflow: hidden;
    border-radius: 115px 0 0 24px;
    background: #dfe7dc;
}
.hero-visual::after {
    position: absolute;
    inset: 52% 0 0;
    content: "";
    background: linear-gradient(180deg, transparent, rgba(23, 43, 33, .55));
    pointer-events: none;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; object-position: center 51%; }
.hero-visual figcaption {
    position: absolute;
    z-index: 1;
    right: 36px;
    bottom: 34px;
    left: 36px;
    color: #fff;
    font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
    font-size: clamp(1.3rem, 2vw, 1.65rem);
    text-shadow: 0 2px 12px rgba(22, 40, 31, .9);
}
.hero-visual figcaption span { display: block; font-size: .875rem; }

.intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding-top: 96px; padding-bottom: 96px; }
.intro-copy { max-width: 670px; font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif; font-size: 1rem; line-height: 2.2; }
.intro-copy p { margin-bottom: 24px; }
.intro-conclusion { color: var(--green-dark); font-size: 1.12rem; font-weight: 700; }

.founding-section {
    position: relative;
    overflow: hidden;
    padding: 18px 5% 96px;
}
.founding-story {
    width: min(1040px, 100%);
    margin: 0 auto;
}
.founding-story summary {
    min-height: 116px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    cursor: pointer;
    list-style: none;
    border: 1px solid #b9c7bd;
    border-radius: 20px;
    background: rgba(255, 254, 250, .78);
    padding: 24px 30px;
    box-shadow: 0 10px 32px rgba(33, 58, 48, .06);
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.founding-story summary::-webkit-details-marker { display: none; }
.founding-story summary:hover {
    border-color: #7e9a89;
    box-shadow: 0 15px 38px rgba(33, 58, 48, .1);
    transform: translateY(-2px);
}
.founding-summary-copy { display: grid; gap: 3px; }
.founding-summary-kicker {
    color: #667a6f;
    font-size: .8125rem;
    font-weight: 700;
    letter-spacing: .12em;
}
.founding-summary-copy strong {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 500;
    letter-spacing: .055em;
}
.founding-summary-mark {
    position: relative;
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    border-radius: 50%;
    background: var(--green-soft);
}
.founding-summary-mark::before,
.founding-summary-mark::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 2px;
    border-radius: 2px;
    background: var(--green);
    content: "";
    transform: translate(-50%, -50%);
    transition: transform .25s ease;
}
.founding-summary-mark::after { transform: translate(-50%, -50%) rotate(90deg); }
.founding-story[open] .founding-summary-mark::after { transform: translate(-50%, -50%) rotate(0); }
.founding-paper {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    width: min(920px, calc(100% - 48px));
    margin: 24px auto 0;
    border: 1px solid rgba(185, 174, 145, .6);
    border-radius: 4px 26px 5px 22px;
    background:
        linear-gradient(135deg, rgba(255, 255, 255, .94), rgba(250, 247, 236, .97)),
        var(--panel);
    box-shadow: 0 30px 70px rgba(39, 55, 46, .16), 0 3px 8px rgba(39, 55, 46, .08);
    transform-origin: top center;
}
.founding-story[open] .founding-paper { animation: founding-paper-rise .56s cubic-bezier(.2, .72, .24, 1) both; }
.founding-paper::before {
    position: absolute;
    z-index: -1;
    inset: 0 0 auto auto;
    width: 54%;
    height: 520px;
    content: "";
    background:
        linear-gradient(90deg, #fffefa 0%, rgba(255, 254, 250, .2) 55%, rgba(255, 254, 250, .06) 100%),
        linear-gradient(180deg, rgba(255, 254, 250, .18), #fffefa 98%),
        url('home-yasuragi-720.webp') center 42% / cover no-repeat;
    opacity: .14;
    filter: saturate(.65);
}
.founding-paper::after {
    position: absolute;
    z-index: -1;
    inset: 13px;
    border: 1px solid rgba(143, 122, 84, .16);
    border-radius: 2px 19px 2px 16px;
    content: "";
    pointer-events: none;
}
.founding-paper-inner { width: min(720px, 86%); margin: 0 auto; padding: 76px 0 72px; }
.founding-paper .eyebrow { color: #7b6847; }
.founding-paper h2 {
    max-width: 650px;
    margin-bottom: 38px;
    color: #183c32;
    font-size: clamp(1.75rem, 4vw, 2.55rem);
    letter-spacing: .045em;
    line-height: 1.65;
}
.founding-mobile-break { display: none; }
.founding-message {
    color: #314b41;
    font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
    font-size: 1.0375rem;
    line-height: 2.15;
}
.founding-message p { margin-bottom: 28px; }
.founding-message strong { color: #183d32; font-weight: 700; }
.founding-emphasis {
    margin: 36px 0;
    border-left: 3px solid #a88a55;
    padding: 7px 0 7px 22px;
    font-size: 1.08rem;
}
.founding-closing {
    margin: 38px 0;
    color: var(--green-dark);
    font-size: clamp(1.15rem, 2.5vw, 1.35rem);
    line-height: 2;
}
.founding-signature {
    display: grid;
    justify-content: end;
    gap: 1px;
    margin: 48px 0 0;
    color: #30483e;
    text-align: right;
}
.founding-signature span { font-size: .8125rem; }
.founding-signature strong {
    font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
    font-size: 1.12rem;
    font-weight: 600;
    letter-spacing: .08em;
}
@keyframes founding-paper-rise {
    from { opacity: 0; transform: translateY(22px) scale(.985); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.opening-section { background: #ecefe7; }
.opening-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.opening-card {
    min-width: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--panel);
    padding: 30px;
    box-shadow: 0 9px 30px rgba(35, 58, 48, .05);
}
.featured-card { border-color: #9bb3a6; box-shadow: var(--shadow); }
.opening-card h3 { margin: 17px 0 13px; font-family: "Yu Mincho", serif; font-size: 1.25rem; }
.opening-card > p:not(.card-note):not(.preparing) { color: #415249; font-size: .9rem; }
.status-label {
    display: inline-block;
    border-radius: 100px;
    background: #e2ece5;
    color: var(--green-dark);
    padding: 5px 12px;
    font-size: .8125rem;
    font-weight: 800;
}
.status-gold { background: var(--gold-soft); color: #66491f; }
.status-soft { background: #eeeee8; color: #4c5a53; }
.card-note { margin-bottom: 0; color: var(--muted); font-size: .8125rem; line-height: 1.8; }
.opening-card .button { width: 100%; margin-top: 8px; }
.preparing {
    margin: 18px 0 0;
    border: 1px solid #bfa879;
    border-radius: 10px;
    background: #fff9ea;
    color: #61471e;
    padding: 11px 14px;
    font-size: .8125rem;
    font-weight: 800;
    text-align: center;
}

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.feature-grid article { position: relative; border-top: 1px solid var(--line); padding: 27px 12px 0 58px; }
.feature-number { position: absolute; top: 25px; left: 0; color: #8a9a91; font-family: Georgia, serif; font-size: 1.2rem; }
.feature-grid h3 { margin-bottom: 12px; font-family: "Yu Mincho", serif; font-size: 1.2rem; }
.feature-grid p { margin-bottom: 0; color: var(--muted); font-size: .9rem; }

.design-section { background: var(--paper-deep); }
.design-heading-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 12px; }
.purchase-pill {
    flex-shrink: 0;
    margin: 0;
    border: 1px solid #b8bba9;
    border-radius: 16px;
    background: rgba(255, 254, 250, .65);
    padding: 9px 15px;
    color: #4b584f;
    font-size: .8125rem;
    font-weight: 700;
    line-height: 1.6;
    text-align: center;
}
.design-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; margin-top: 30px; }
.design-card { overflow: hidden; border: 1px solid #d1d4c6; border-radius: 18px; background: var(--panel); }
.design-image-wrap { position: relative; aspect-ratio: 3 / 4; overflow: hidden; background: #dfe7dc; }
.design-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.design-image-wrap span {
    position: absolute;
    top: 12px;
    left: 12px;
    border-radius: 100px;
    background: rgba(255, 254, 250, .92);
    padding: 4px 9px;
    color: #354a40;
    font-size: .8125rem;
    font-weight: 800;
}
.design-copy { padding: 18px 15px 19px; }
.design-copy h3 { margin: 0 0 9px; font-family: "Yu Mincho", serif; font-size: 1.3rem; }
.design-price { margin: 0 0 2px; color: #573f1f; font-size: .875rem; font-weight: 800; }
.design-subprice { margin: 0 0 9px; color: var(--muted); font-size: .8125rem; font-weight: 700; }
.design-copy .card-note { font-size: .8125rem; }
.pricing-explanation {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 38px;
    align-items: center;
    margin-top: 32px;
    border: 1px solid #d0d2c3;
    border-radius: 20px;
    background: rgba(255, 254, 250, .75);
    padding: 25px 28px;
}
.pricing-explanation h3 { margin-bottom: 8px; font-size: 1.05rem; }
.pricing-explanation p { margin-bottom: 0; color: var(--muted); font-size: .875rem; }
.pricing-explanation dl { margin-bottom: 0; }
.pricing-explanation dl div { display: flex; justify-content: space-between; gap: 15px; border-bottom: 1px solid var(--line); padding: 7px 0; font-size: .8125rem; }
.pricing-explanation dl div:last-child { border-bottom: 0; }
.pricing-explanation dt { color: var(--muted); }
.pricing-explanation dd { font-weight: 800; }
.price-note { margin: 18px 0 0; color: var(--muted); font-size: .8125rem; }

.capacity-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 30px 70px; align-items: start; }
.capacity-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
table { width: 100%; min-width: 510px; border-collapse: collapse; font-size: .875rem; }
th, td { border-bottom: 1px solid var(--line); padding: 14px 16px; text-align: left; }
thead th { background: #e7ede7; color: #30483d; font-size: .8125rem; }
tbody tr:last-child th, tbody tr:last-child td { border-bottom: 0; }
tbody th { font-weight: 700; }
.capacity-section .price-note { grid-column: 2; margin-top: -12px; }

.privacy-section { background: var(--green-dark); color: #f7f6ef; }
.privacy-inner { display: grid; grid-template-columns: .78fr 1.22fr; gap: 72px; }
.privacy-section .eyebrow { color: #c6d6cc; }
.assurance-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.assurance-grid article { border: 1px solid rgba(255, 255, 255, .2); border-radius: 18px; background: rgba(255, 255, 255, .055); padding: 21px; }
.assurance-grid h3 { margin-bottom: 8px; font-size: 1rem; }
.assurance-grid p { margin-bottom: 0; color: #e0e8e2; font-size: .8375rem; }

.faq-section { max-width: 900px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary {
    position: relative;
    cursor: pointer;
    list-style: none;
    padding: 20px 48px 20px 4px;
    font-size: .9375rem;
    font-weight: 800;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { position: absolute; top: 18px; right: 8px; content: "+"; color: var(--green); font-size: 1.4rem; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: -3px 44px 20px 4px; color: var(--muted); font-size: .9rem; }

.final-cta { padding: 67px 20px 76px; background: #e5ece4; text-align: center; }
.final-cta h2 { margin-bottom: 26px; }
.final-cta .button { min-width: 260px; }

.site-footer { width: min(1160px, 90%); margin: 0 auto; padding: 38px 0 28px; }
.footer-main { display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; }
.footer-main .wordmark { margin-bottom: 14px; font-size: 1.5rem; }
.footer-main p { margin-bottom: 0; color: var(--muted); font-size: .8125rem; }
.footer-main nav { max-width: 580px; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 22px; font-size: .8125rem; }
.footer-main nav a { text-decoration: underline; text-decoration-color: #9ba59e; text-underline-offset: 4px; }
.footer-main nav span { color: #684821; font-weight: 700; }
.footer-status { display: flex; justify-content: space-between; gap: 25px; margin-top: 29px; border-top: 1px solid var(--line); padding-top: 18px; color: var(--muted); }
.footer-status small { max-width: 700px; font-size: .8125rem; line-height: 1.7; }

@media (max-width: 1100px) {
    .desktop-nav { gap: 15px; }
    .desktop-nav a { font-size: .8125rem; }
    .header-login { padding-right: 12px; padding-left: 12px; }
    .design-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 899px) {
    .desktop-nav, .header-login { display: none; }
    .mobile-menu { display: block; }
    .mobile-menu summary {
        cursor: pointer;
        list-style: none;
        border: 1px solid var(--green);
        border-radius: 10px;
        padding: 8px 12px;
        color: var(--green-dark);
        font-size: .8125rem;
        font-weight: 800;
    }
    .mobile-menu summary::-webkit-details-marker { display: none; }
    .mobile-menu[open] summary { background: var(--green-soft); }
    .mobile-menu nav {
        position: absolute;
        top: calc(100% + 9px);
        right: 0;
        width: min(310px, 88vw);
        display: grid;
        overflow: hidden;
        border: 1px solid var(--line);
        border-radius: 14px;
        background: var(--panel);
        box-shadow: var(--shadow);
    }
    .mobile-menu nav a { min-height: 48px; border-bottom: 1px solid var(--line); padding: 11px 16px; font-size: .875rem; font-weight: 700; }
    .mobile-menu nav a:last-child { border-bottom: 0; background: var(--green-soft); }
    .hero { min-height: 0; grid-template-columns: 1fr; }
    .hero-copy { max-width: none; padding: 58px 6% 38px; }
    .hero-visual { width: 94%; height: min(690px, 118vw); min-height: 470px; margin-left: auto; border-radius: 80px 0 0 20px; }
    .intro { grid-template-columns: 1fr; gap: 24px; }
    .intro-copy { max-width: 760px; }
    .founding-section { padding-bottom: 78px; }
    .opening-grid { grid-template-columns: 1fr 1fr; }
    .login-card { grid-column: 1 / -1; }
    .feature-grid { grid-template-columns: 1fr; gap: 27px; }
    .pricing-explanation { grid-template-columns: 1fr; gap: 20px; }
    .capacity-section { grid-template-columns: 1fr; gap: 25px; }
    .capacity-section .price-note { grid-column: 1; margin-top: -6px; }
    .privacy-inner { grid-template-columns: 1fr; gap: 35px; }
}

@media (max-width: 620px) {
    body { font-size: 15px; }
    .header-inner { min-height: 70px; width: 90%; }
    .wordmark { font-size: 1.45rem; }
    .wordmark span { margin-left: 7px; font-size: .8125rem; }
    .section { width: 88%; padding: 60px 0; }
    .hero-copy { padding-top: 45px; }
    .hero h1 { font-size: clamp(1.85rem, 7.5vw, 2.15rem); line-height: 1.5; }
    .hero-title-phrase, .about-title-phrase {
        display: block;
        white-space: nowrap;
        word-break: keep-all;
        overflow-wrap: normal;
    }
    .intro .section-heading h2 { font-size: clamp(1.55rem, 6.4vw, 1.85rem); line-height: 1.65; }
    .intro .section-heading h2 br { display: none; }
    .hero-lead { font-size: 1rem; }
    .hero-actions { display: grid; grid-template-columns: 1fr; }
    .hero-actions .button { width: 100%; }
    .hero-facts { gap: 7px; }
    .hero-facts li { font-size: .8125rem; }
    .hero-visual { min-height: 410px; border-radius: 58px 0 0 16px; }
    .hero-visual figcaption { right: 24px; bottom: 22px; left: 24px; }
    .intro { padding-top: 66px; padding-bottom: 66px; }
    .intro-copy { font-size: .9375rem; line-height: 2; }
    .founding-section { padding: 0 6% 66px; }
    .founding-story summary { min-height: 104px; gap: 16px; border-radius: 16px; padding: 20px; }
    .founding-summary-copy strong { font-size: 1.38rem; letter-spacing: .035em; }
    .founding-summary-mark { width: 42px; height: 42px; flex-basis: 42px; }
    .founding-paper { width: calc(100% - 10px); margin-top: 16px; border-radius: 3px 18px 4px 16px; }
    .founding-paper::before { width: 78%; height: 390px; opacity: .11; }
    .founding-paper-inner { width: 84%; padding: 52px 0 50px; }
    .founding-paper h2 { margin-bottom: 30px; font-size: clamp(1.55rem, 7vw, 1.9rem); }
    .founding-mobile-break { display: block; }
    .founding-message { font-size: 1rem; line-height: 2; }
    .founding-message p { margin-bottom: 24px; }
    .founding-emphasis { margin: 30px 0; padding-left: 16px; }
    .founding-closing { margin: 32px 0; font-size: 1.13rem; }
    .founding-signature { margin-top: 38px; }
    .opening-grid { grid-template-columns: 1fr; }
    .login-card { grid-column: auto; }
    .opening-card { padding: 24px; }
    .design-heading-row { align-items: flex-start; flex-direction: column; gap: 18px; }
    .purchase-pill { text-align: left; }
    .design-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
    .design-copy { padding: 15px 12px 17px; }
    .design-copy h3 { font-size: 1.15rem; }
    .design-price { font-size: .8125rem; }
    .pricing-explanation { padding: 21px; }
    .assurance-grid { grid-template-columns: 1fr; }
    .footer-main { flex-direction: column; }
    .footer-main nav { justify-content: flex-start; }
    .footer-status { flex-direction: column; gap: 8px; }
}

@media (min-width: 400px) and (max-width: 620px) {
    .about-title-phrase:nth-of-type(2),
    .about-title-phrase:nth-of-type(3) { display: inline; }
}

@media (max-width: 390px) {
    .stage-banner { font-size: .8125rem; }
    .hero h1 { letter-spacing: 0; }
    .design-grid { grid-template-columns: 1fr; }
    .design-card { display: grid; grid-template-columns: 42% 58%; }
    .design-image-wrap { height: 100%; min-height: 230px; }
    .design-copy { align-self: center; }
    .pricing-explanation dl div { align-items: flex-start; flex-direction: column; gap: 2px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
    .founding-story[open] .founding-paper { animation: none; }
}

/* MUKU_FOOTER_CREDIT_R20B_20260907 */
.footer-credit {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 15px;
    margin-top: 30px;
}
.footer-credit-label {
    color: var(--gold);
    font-size: .625rem;
    font-weight: 700;
    letter-spacing: .22em;
    line-height: 1;
}
.footer-credit p {
    display: flex;
    align-items: baseline;
    gap: 13px;
    margin: 0;
    border-left: 1px solid rgba(130, 96, 56, .45);
    padding-left: 15px;
    line-height: 1.5;
}
.footer-credit p span {
    color: var(--muted);
    font-size: .6875rem;
    letter-spacing: .08em;
}
.footer-credit strong {
    color: var(--muted);
    font-family: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
    font-size: .6875rem;
    font-weight: 600;
    letter-spacing: .12em;
    white-space: nowrap;
}

@media (max-width: 620px) {
    .footer-credit { justify-content: center; }
}

@media (max-width: 390px) {
    .footer-credit {
        align-items: center;
        flex-direction: column;
        gap: 9px;
    }
    .footer-credit p {
        align-items: center;
        flex-direction: column;
        gap: 3px;
        border-top: 1px solid rgba(130, 96, 56, .45);
        border-left: 0;
        padding-top: 8px;
        padding-left: 0;
        text-align: center;
    }
}