/* ============================================================ FreeAppsStudio — Design tokens ============================================================ */ :root { --bg: #fafafa; --bg-elevated: #ffffff; --card: #ffffff; --text: #111114; --sub: #63666d; --border: #eaeaec; --accent: #4f46e5; --accent-2: #06b6d4; --danger: #dc2626; --shadow: 0 10px 30px -12px rgba(17, 17, 20, 0.12); --radius-lg: 24px; --radius-md: 16px; --radius-sm: 10px; --max-w: 860px; color-scheme: light; } @media (prefers-color-scheme: dark) { :root { --bg: #0b0c0f; --bg-elevated: #111318; --card: #15171d; --text: #f5f5f7; --sub: #9a9da6; --border: #24262e; --accent: #818cf8; --accent-2: #22d3ee; --shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.55); color-scheme: dark; } } /* Manual override (data-theme set by script.js), takes priority over system */ :root[data-theme="light"] { --bg: #fafafa; --bg-elevated: #ffffff; --card: #ffffff; --text: #111114; --sub: #63666d; --border: #eaeaec; --accent: #4f46e5; --accent-2: #06b6d4; --shadow: 0 10px 30px -12px rgba(17, 17, 20, 0.12); color-scheme: light; } :root[data-theme="dark"] { --bg: #0b0c0f; --bg-elevated: #111318; --card: #15171d; --text: #f5f5f7; --sub: #9a9da6; --border: #24262e; --accent: #818cf8; --accent-2: #22d3ee; --shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.55); color-scheme: dark; } /* ============================================================ i18n visibility (toggled via html.lang-ja / html.lang-en, set synchronously in to avoid a flash of both languages) ============================================================ */ .lang-ja [lang="en"] { display: none; } .lang-en [lang="ja"] { display: none; } /* ============================================================ Reset ============================================================ */ *, *::before, *::after { box-sizing: border-box; } html { scroll-behavior: smooth; } body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, Inter, Roboto, Arial, sans-serif; line-height: 1.7; -webkit-font-smoothing: antialiased; transition: background-color .25s ease, color .25s ease; } img, svg { max-width: 100%; display: block; } a { color: inherit; text-decoration: none; } ul { padding-left: 1.2em; } h1, h2, h3, p { overflow-wrap: anywhere; } /* ============================================================ Top bar (lang + theme switch) ============================================================ */ .topbar { position: fixed; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; z-index: 50; backdrop-filter: saturate(180%) blur(14px); background: color-mix(in srgb, var(--bg) 72%, transparent); border-bottom: 1px solid transparent; } .topbar.scrolled { border-bottom-color: var(--border); } .brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; letter-spacing: -0.01em; } .brand .logo-mark { width: 22px; height: 22px; } .controls { display: flex; gap: 8px; } .pill-btn { border: 1px solid var(--border); background: var(--bg-elevated); color: var(--text); padding: 7px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; cursor: pointer; transition: transform .15s ease, border-color .15s ease, background .15s ease; } .pill-btn:hover { border-color: var(--accent); transform: translateY(-1px); } .pill-btn[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); } /* ============================================================ Layout ============================================================ */ main, .page { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; } /* Hero */ .hero { position: relative; padding: 168px 24px 96px; text-align: center; overflow: hidden; isolation: isolate; } .hero::before { content: ""; position: absolute; inset: -20% -10% auto -10%; height: 640px; z-index: -1; background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 32%, transparent), transparent), radial-gradient(closest-side, color-mix(in srgb, var(--accent-2) 28%, transparent), transparent); background-position: 15% 20%, 85% 10%; background-repeat: no-repeat; background-size: 55% 55%, 50% 50%; filter: blur(60px); opacity: .55; } .eyebrow { display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; } .hero h1 { font-size: clamp(40px, 8vw, 72px); line-height: 1.05; letter-spacing: -0.03em; margin: 0 0 22px; font-weight: 800; } .hero-sub { font-size: clamp(17px, 2.4vw, 21px); color: var(--sub); max-width: 560px; margin: 0 auto; } .scroll-hint { margin-top: 56px; font-size: 13px; color: var(--sub); display: inline-flex; flex-direction: column; align-items: center; gap: 8px; animation: bob 2.2s ease-in-out infinite; } @keyframes bob { 0%,100% { transform: translateY(0);} 50% { transform: translateY(6px);} } /* Sections */ section.block { padding: 88px 0; border-top: 1px solid var(--border); } section.block:first-of-type { border-top: none; } .eyebrow-sm { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); margin: 0 0 10px; } h2 { font-size: clamp(26px, 4vw, 36px); letter-spacing: -0.02em; margin: 0 0 20px; font-weight: 800; } .lede { font-size: 17px; color: var(--sub); max-width: 640px; margin: 0 0 8px; } /* Cards */ .card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow); transition: transform .2s ease, border-color .2s ease; } .card:hover { transform: translateY(-4px); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); } .apps-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); margin-top: 28px; } .app-card { display: flex; flex-direction: column; gap: 14px; } .app-icon { width: 56px; height: 56px; border-radius: 16px; background: linear-gradient(145deg, var(--accent), var(--accent-2)); display: flex; align-items: center; justify-content: center; font-size: 26px; color: #fff; flex-shrink: 0; overflow: hidden; } .app-icon img { width: 100%; height: 100%; object-fit: cover; } .app-card h3 { margin: 0; font-size: 18px; letter-spacing: -0.01em; } .app-card .status { font-size: 12px; font-weight: 700; letter-spacing: .04em; color: var(--sub); text-transform: uppercase; } .app-links { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; } .app-links a { font-size: 13px; font-weight: 600; padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; color: var(--sub); } .app-links a:hover { color: var(--text); border-color: var(--accent); } /* Contact */ .contact-card { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; } .contact-email { font-size: clamp(19px, 3vw, 24px); font-weight: 700; letter-spacing: -0.01em; } .btn { display: inline-flex; align-items: center; gap: 8px; background: var(--text); color: var(--bg); padding: 12px 22px; border-radius: 999px; font-weight: 700; font-size: 14px; white-space: nowrap; transition: opacity .2s ease; } .btn:hover { opacity: .85; } /* Footer */ footer { border-top: 1px solid var(--border); padding: 40px 24px 60px; text-align: center; color: var(--sub); font-size: 13px; } footer .foot-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 18px; margin-bottom: 18px; } footer .foot-links a:hover { color: var(--text); } /* Reveal-on-scroll */ .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; } .reveal.in { opacity: 1; transform: none; } /* ============================================================ Legal / static content pages ============================================================ */ .doc { padding: 140px 0 90px; } .doc h1 { font-size: clamp(28px, 5vw, 40px); letter-spacing: -0.02em; margin-bottom: 6px; } .doc .updated { color: var(--sub); font-size: 13px; margin-bottom: 40px; } .doc h2 { font-size: 20px; margin-top: 40px; } .doc p, .doc li { color: var(--sub); font-size: 15.5px; } .doc a { color: var(--accent); font-weight: 600; } .back-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 700; color: var(--sub); margin-bottom: 26px; } .back-link:hover { color: var(--text); } /* 404 */ .error-page { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 24px; } .error-page .code { font-size: clamp(64px, 14vw, 120px); font-weight: 800; letter-spacing: -0.04em; background: linear-gradient(145deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; } /* ============================================================ Responsive ============================================================ */ @media (max-width: 640px) { .hero { padding-top: 132px; } section.block { padding: 64px 0; } .contact-card { flex-direction: column; align-items: flex-start; } } @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal { transition: none; opacity: 1; transform: none; } .scroll-hint { animation: none; } }