:root {
    --green-900: #123e2f;
    --green-800: #174f3a;
    --green-700: #1f684b;
    --green-100: #e7f0eb;
    --cream: #f5f3ec;
    --paper: #ffffff;
    --ink: #18211d;
    --muted: #5f6a64;
    --line: #dbe2dd;
    --max-width: 1160px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    word-break: keep-all;
}

a {
    color: inherit;
}

.container {
    width: min(calc(100% - 40px), var(--max-width));
    margin: 0 auto;
}

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 100;
    padding: 10px 16px;
    background: var(--ink);
    color: #fff;
    transform: translateY(-150%);
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid rgba(23, 79, 58, 0.14);
    background: rgba(255, 255, 255, 0.96);
}

.header-inner {
    display: flex;
    min-height: 82px;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand-mark {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    object-fit: cover;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.brand-copy strong {
    font-size: 17px;
}

.brand-copy small {
    margin-top: 3px;
    color: var(--muted);
    font-family: Georgia, serif;
    font-size: 11px;
}

.nav-list {
    display: flex;
    gap: 34px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-list a {
    color: #35413b;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.nav-list a:hover,
.nav-list a:focus-visible {
    color: var(--green-700);
}

.hero {
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    background:
        linear-gradient(115deg, rgba(245, 243, 236, 0.95), rgba(231, 240, 235, 0.85)),
        repeating-linear-gradient(90deg, transparent 0, transparent 79px, rgba(23, 79, 58, 0.04) 80px);
}

.hero-layout {
    padding-top: 90px;
    padding-bottom: 60px;
}

.hero-copy {
    max-width: 820px;
}

.eyebrow,
.section-label {
    margin: 0 0 18px;
    color: var(--green-700);
    font-family: Georgia, serif;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.16em;
}

.hero h1,
.section h2 {
    margin: 0;
    letter-spacing: -0.045em;
    line-height: 1.25;
}

.hero h1 {
    max-width: 720px;
    font-size: clamp(38px, 5.2vw, 66px);
}

.hero-description {
    max-width: 620px;
    margin: 28px 0 34px;
    color: #46524c;
    font-size: clamp(16px, 1.8vw, 19px);
}

.primary-link {
    display: inline-block;
    border-radius: 4px;
    background: var(--green-800);
    color: #fff;
    padding: 13px 22px;
    font-weight: 700;
    text-decoration: none;
}

.primary-link:hover,
.primary-link:focus-visible {
    background: var(--green-900);
}

.hero-artwork {
    width: min(calc(100% - 40px), 1400px);
    margin: 0 auto 72px;
    overflow: hidden;
    border: 1px solid rgba(18, 62, 47, 0.18);
    border-radius: 18px;
    background: #f5be00;
    box-shadow: 0 24px 50px rgba(18, 62, 47, 0.16);
    line-height: 0;
}

.hero-artwork img {
    display: block;
    width: 100%;
    height: auto;
}

.section {
    padding: 110px 0;
}

.section h2 {
    font-size: clamp(30px, 4vw, 46px);
}

.split-layout {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: clamp(50px, 10vw, 130px);
}

.company-copy {
    color: #3f4a44;
    font-size: 18px;
}

.company-copy p {
    margin: 0;
}

.company-copy p + p {
    margin-top: 24px;
}

.service-section {
    background: var(--cream);
}

.section-intro {
    max-width: 700px;
    margin: 22px 0 0;
    color: var(--muted);
}

.app-highlight {
    display: grid;
    align-items: center;
    gap: 28px;
    grid-template-columns: 132px minmax(0, 1fr);
    margin-top: 42px;
    border: 1px solid #d7ddd8;
    border-radius: 12px;
    background: var(--paper);
    padding: 24px 30px;
}

.app-highlight img {
    display: block;
    width: 132px;
    height: 132px;
    border-radius: 24px;
    object-fit: cover;
}

.app-highlight h3 {
    margin: 2px 0 8px;
    font-size: 27px;
}

.app-highlight div > p:last-child {
    margin: 0;
    color: var(--muted);
}

.app-label {
    margin: 0;
    color: var(--green-700);
    font-family: Georgia, serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
}

.service-grid,
.principles-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 48px;
}

.service-card {
    min-height: 270px;
    border: 1px solid #d7ddd8;
    border-radius: 10px;
    background: var(--paper);
    padding: 30px;
}

.card-number {
    display: block;
    margin-bottom: 46px;
    color: var(--green-700);
    font-family: Georgia, serif;
    font-size: 14px;
    font-weight: 700;
}

.service-card h3,
.principles-grid h3 {
    margin: 0 0 12px;
    font-size: 21px;
}

.service-card p,
.principles-grid p {
    margin: 0;
    color: var(--muted);
    font-size: 15px;
}

.principles-grid article {
    border-top: 3px solid var(--green-700);
    padding: 24px 4px 0;
}

.contact-section {
    background: var(--green-900);
    color: #fff;
}

.contact-section .section-label {
    color: #9fc4ae;
}

.contact-layout {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: clamp(50px, 9vw, 120px);
}

.contact-intro {
    max-width: 380px;
    color: #bfd0c6;
}

.contact-card {
    border-top: 1px solid rgba(255, 255, 255, 0.25);
    font-style: normal;
}

.contact-card dl {
    margin: 0;
}

.contact-card dl div {
    display: grid;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    grid-template-columns: 130px 1fr;
    gap: 20px;
    padding: 17px 0;
}

.contact-card dt {
    color: #9fc4ae;
    font-size: 14px;
    font-weight: 700;
}

.contact-card dd {
    margin: 0;
}

.contact-card a {
    color: #fff;
    text-underline-offset: 4px;
}

.contact-card a:hover,
.contact-card a:focus-visible {
    color: #b9dec8;
}

.contact-card dd small {
    display: block;
    margin-top: 7px;
    color: #b9c9c0;
    font-family: Georgia, serif;
    font-size: 13px;
    line-height: 1.55;
}

.site-footer {
    background: #0d2d22;
    color: #cad6cf;
    padding: 36px 0;
}

.footer-inner {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 30px;
}

.footer-inner strong {
    color: #fff;
}

.footer-inner p {
    margin: 6px 0 0;
    font-size: 13px;
}

@media (max-width: 820px) {
    .header-inner {
        min-height: 72px;
    }

    .brand-copy small {
        display: none;
    }

    .nav-list {
        gap: 16px;
    }

    .split-layout,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .hero-layout {
        padding-top: 72px;
        padding-bottom: 46px;
    }

    .section {
        padding: 82px 0;
    }

    .service-grid,
    .principles-grid {
        grid-template-columns: 1fr;
    }

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

    .card-number {
        margin-bottom: 24px;
    }
}

@media (max-width: 560px) {
    .container {
        width: min(calc(100% - 32px), var(--max-width));
    }

    .header-inner {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
        padding-top: 14px;
        padding-bottom: 14px;
    }

    .site-header {
        position: static;
    }

    .nav-list {
        width: 100%;
        gap: 24px;
    }

    .nav-list a {
        font-size: 13px;
    }

    .hero h1 br {
        display: none;
    }

    .hero-description {
        margin-top: 22px;
    }

    .hero-artwork {
        width: calc(100% - 24px);
        margin-bottom: 52px;
        border-radius: 10px;
    }

    .company-copy {
        font-size: 16px;
    }

    .app-highlight {
        align-items: flex-start;
        grid-template-columns: 84px minmax(0, 1fr);
        gap: 18px;
        padding: 20px;
    }

    .app-highlight img {
        width: 84px;
        height: 84px;
        border-radius: 17px;
    }

    .app-highlight h3 {
        font-size: 23px;
    }

    .contact-card dl div {
        grid-template-columns: 1fr;
        gap: 3px;
    }

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

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