:root {
    --bg: #fbf9ff;
    --surface: #ffffff;
    --surface-soft: #f1ecff;
    --ink: #2f2940;
    --muted: #756e81;
    --line: #e8e1f2;
    --accent: #7659c8;
    --accent-strong: #5d43a6;
    --font-display: 'Outfit', 'M PLUS Rounded 1c', sans-serif;
    --font-body: 'M PLUS Rounded 1c', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
    --content-width: 920px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
}

a,
button {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 12px;
    left: 16px;
    padding: 8px 12px;
    border-radius: 4px;
    background: var(--ink);
    color: var(--surface);
    font-size: 0.82rem;
    text-decoration: none;
    transform: translateY(-150%);
    transition: transform 180ms ease;
}

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

.site-header {
    border-bottom: 1px solid var(--line);
}

.site-nav {
    width: min(var(--content-width), calc(100% - 48px));
    min-height: 68px;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 1.28rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    text-decoration: none;
}

.logo-mark {
    width: 26px;
    height: 26px;
    display: grid;
    place-items: center;
    border-radius: 6px 6px 6px 2px;
    background: var(--accent);
    color: var(--surface);
    font-size: 0.72rem;
    line-height: 1;
    transform: rotate(-8deg);
}

main {
    width: min(var(--content-width), calc(100% - 48px));
    margin: 0 auto;
    padding-bottom: 100px;
}

.hero {
    min-height: clamp(480px, 68vh, 680px);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: 72px 0 96px;
    border-bottom: 1px solid var(--line);
}

.eyebrow {
    margin-bottom: 18px;
    color: var(--accent-strong);
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    line-height: 1.3;
}

h1,
h2 {
    font-family: var(--font-display);
    text-wrap: balance;
}

h1 {
    margin-left: -0.09em;
    color: var(--ink);
    font-size: clamp(5.8rem, 18vw, 11rem);
    font-weight: 800;
    letter-spacing: -0.1em;
    line-height: 0.8;
}

.hero-dot {
    color: var(--accent);
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 34px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--accent);
    color: var(--accent-strong);
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    transition: color 180ms ease, border-color 180ms ease, padding 180ms ease;
}

.email-link:hover {
    padding-bottom: 11px;
    border-color: var(--accent-strong);
    color: var(--ink);
}

.email-link i {
    color: var(--accent);
}

.links-section {
    display: grid;
    grid-template-columns: minmax(160px, 0.42fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(44px, 9vw, 112px);
    padding: 76px 0 92px;
}

.links-section h2 {
    color: var(--ink);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.08em;
    line-height: 1;
}

.social-list {
    border-top: 1px solid var(--line);
}

.social-link {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 16px;
    min-height: 84px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    text-decoration: none;
    transition: background-color 180ms ease, color 180ms ease, padding 180ms ease;
}

.social-link:hover {
    padding-left: 10px;
    background: var(--surface-soft);
    color: var(--accent-strong);
}

.social-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    border-radius: 5px;
    background: var(--surface-soft);
    color: var(--accent);
    font-size: 1rem;
    transition: background-color 180ms ease, color 180ms ease;
}

.social-link:hover .social-icon {
    background: var(--accent);
    color: var(--surface);
}

.social-copy {
    display: grid;
    gap: 1px;
}

.social-copy strong {
    color: var(--ink);
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
}

.social-copy small {
    color: var(--muted);
    font-size: 0.78rem;
}

.social-arrow {
    padding-right: 4px;
    color: var(--accent);
    font-size: 0.8rem;
    transition: transform 180ms ease;
}

.social-link:hover .social-arrow {
    transform: translate(3px, -3px);
}

html.js .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 600ms ease, transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

html.js .reveal.active {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 620px) {
    .site-nav,
    main {
        width: min(100% - 36px, var(--content-width));
    }

    .hero {
        min-height: 500px;
        padding: 56px 0 72px;
    }

    .links-section {
        grid-template-columns: 1fr;
        gap: 34px;
        padding: 58px 0 70px;
    }
}

@media (max-width: 420px) {
    .hero {
        min-height: 440px;
    }

    h1 {
        font-size: clamp(5.2rem, 28vw, 7.6rem);
    }

    .email-link {
        max-width: 100%;
        overflow: hidden;
        font-size: 0.8rem;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }

    html.js .reveal {
        opacity: 1;
        transform: none;
    }
}