/* MBOX Browser site: EasyLife Studio style, blue product palette */

:root {
  --bg: #06101A;
  --panel: #0C1724;
  --text: #EEF3FA;
  --dim: #93A4B9;
  --accent: #2B6FE0;
  --accent-soft: #69B7FF;
  --glow: 80, 150, 255;
  --hair: rgba(205, 225, 255, 0.09);
  --gradient: linear-gradient(105deg, #69B7FF, #7477F2);
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", ui-monospace, monospace;
  --logo: "Arial Black", "Segoe UI", var(--font);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  background-image:
    radial-gradient(circle at 18% 35%, rgba(105, 183, 255, 0.22) 0 1px, transparent 2px),
    radial-gradient(circle at 72% 22%, rgba(238, 243, 250, 0.14) 0 1px, transparent 2px),
    radial-gradient(ellipse 80% 55% at 50% -10%, rgba(40, 120, 220, 0.24), transparent 70%),
    linear-gradient(180deg, #06101A, #071a28 60%, #06101A);
  background-size: 170px 170px, 240px 240px, 100% 100%, 100% 100%;
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font);
  font-size: 1.02rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
::selection { background: var(--accent); color: #fff; }
a { color: var(--accent-soft); }
h1, h2, h3 { font-weight: 600; letter-spacing: -0.03em; line-height: 1.08; text-wrap: balance; }
/* Japanese has no spaces: break headings between phrases, not inside words */
:lang(ja) h1, :lang(ja) h2, :lang(ja) h3 { word-break: auto-phrase; }
h1 em, h2 em { font-style: normal; color: var(--accent-soft); background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; padding-bottom: 0.08em; }
.dim { color: var(--dim); }
.small { font-size: 0.85rem; }
.tiny { font-size: 0.78rem; color: var(--dim); margin-top: 0.9rem; }
.center { text-align: center; justify-content: center; }

.wrap { width: min(1120px, 100% - 2.5rem); margin: 0 auto; }
.narrow { width: min(760px, 100% - 2.5rem); }
.section { padding: 5.5rem 0 1rem; }
.kicker { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-soft); margin-bottom: 1rem; }
h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); margin-bottom: 1.2rem; }
.lead { color: var(--dim); font-size: 1.12rem; max-width: 40rem; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.85rem 1.4rem; border-radius: 10px; background: var(--accent); color: #fff; text-decoration: none; font-weight: 600; border: 1px solid var(--accent); transition: transform 0.15s, background 0.15s, border-color 0.15s; }
.btn:hover { transform: translateY(-1px); background: #3d82f2; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--hair); }
.btn-ghost:hover { background: var(--panel); border-color: var(--accent); }
.btn-small { padding: 0.5rem 0.95rem; font-size: 0.88rem; }
.ctas { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2rem; }

/* header */
.site-header { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 1.6rem; padding: 0.9rem max(1.25rem, calc((100% - 1120px) / 2)); background: rgba(6, 16, 26, 0.82); backdrop-filter: blur(12px); border-bottom: 1px solid var(--hair); }
.product { display: flex; align-items: center; gap: 0.55rem; font-weight: 650; color: var(--text); text-decoration: none; letter-spacing: -0.01em; white-space: nowrap; }
.product svg { width: 24px; height: 24px; fill: none; stroke: var(--accent-soft); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.site-nav { display: flex; gap: 1.4rem; margin-left: auto; }
.site-nav a { color: var(--dim); text-decoration: none; font-size: 0.92rem; }
.site-nav a:hover { color: var(--text); }
/* language menu */
.langs { position: relative; }
.langs summary { list-style: none; cursor: pointer; font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.08em; color: var(--dim); padding: 0.35rem 0.6rem; border: 1px solid var(--hair); border-radius: 8px; }
.langs summary::-webkit-details-marker { display: none; }
.langs summary::after { content: " ▾"; }
.langs summary:hover, .langs[open] summary { color: var(--text); border-color: rgba(105, 183, 255, 0.4); }
.langs-menu { position: absolute; right: 0; top: calc(100% + 8px); min-width: 170px; padding: 0.4rem; background: var(--panel); border: 1px solid rgba(160, 200, 255, 0.16); border-radius: 12px; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45); display: grid; }
.langs-menu a { color: var(--dim); text-decoration: none; font-size: 0.9rem; padding: 0.45rem 0.7rem; border-radius: 8px; }
.langs-menu a:hover { background: rgba(var(--glow), 0.12); color: var(--text); }
.langs-menu a[aria-current] { color: var(--accent-soft); }

/* hero */
.hero { padding: 5.5rem 0 2rem; text-align: center; }
.hero h1 { font-size: clamp(2.4rem, 6.4vw, 4.6rem); margin-bottom: 1.4rem; }
.hero .lead { margin: 0 auto; }
.hero .ctas { justify-content: center; }
.note { color: var(--dim); font-size: 0.85rem; margin-top: 1rem; }

/* app mockup */
.mock { margin: 3.5rem auto 0; max-width: 980px; border: 1px solid var(--hair); border-radius: 16px; background: var(--panel); overflow: hidden; text-align: left; box-shadow: 0 40px 120px rgba(var(--glow), 0.2); font-size: 0.82rem; }
.mbar { display: flex; align-items: center; gap: 6px; padding: 0.7rem 1rem; border-bottom: 1px solid var(--hair); color: var(--dim); }
.mbar i { width: 10px; height: 10px; border-radius: 50%; background: var(--hair); }
.mbar span { margin-left: 0.6rem; font-weight: 600; color: var(--text); }
.mbody { display: grid; grid-template-columns: 150px 270px 1fr; min-height: 300px; }
.mside { border-right: 1px solid var(--hair); padding: 0.7rem 0; }
.mlabel { padding: 0.32rem 1rem; color: var(--dim); }
.mlabel.sel { color: var(--text); background: rgba(var(--glow), 0.18); border-radius: 0 14px 14px 0; margin-right: 0.6rem; font-weight: 600; }
.mlist { border-right: 1px solid var(--hair); }
.mrow { display: grid; grid-template-columns: 1fr auto; gap: 0.1rem 0.6rem; padding: 0.65rem 0.9rem; border-bottom: 1px solid var(--hair); }
.mrow.sel { background: rgba(var(--glow), 0.14); }
.mrow b { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mrow span { grid-row: 2; grid-column: 1 / 3; color: var(--dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mrow i { font-style: normal; color: var(--dim); font-size: 0.75rem; }
.mview { padding: 1.2rem 1.4rem; display: flex; flex-direction: column; gap: 0.5rem; }
.mview b { font-size: 1.1rem; letter-spacing: -0.01em; }
.mmeta { color: var(--dim); }
.mview p { color: #cfdbe9; margin-top: 0.6rem; }
.matt { align-self: flex-start; border: 1px solid var(--hair); border-radius: 8px; padding: 0.3rem 0.7rem; margin-top: 0.6rem; }

/* steps, features */
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 1fr; gap: 1rem; margin-top: 2rem; }
/* glossy cards: lighter top, soft light on the upper edge, glow on hover */
.step, .feature, .plan, .checks li, .howto li {
  position: relative;
  background:
    radial-gradient(120% 80% at 0% 0%, rgba(105, 183, 255, 0.10), transparent 55%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015) 45%, rgba(255, 255, 255, 0.01)),
    var(--panel);
  border: 1px solid rgba(160, 200, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 10px 30px rgba(0, 0, 0, 0.25);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.step, .feature, .plan { border-radius: 14px; padding: 1.5rem; overflow: hidden; }
.step::after, .feature::after, .plan::after {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(105, 183, 255, 0.55), transparent);
}
.step:hover, .feature:hover { transform: translateY(-2px); border-color: rgba(105, 183, 255, 0.35); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 16px 40px rgba(var(--glow), 0.14); }
.step .num { font-family: var(--mono); color: var(--accent-soft); font-size: 0.8rem; letter-spacing: 0.1em; }
.step h3, .feature h3 { font-size: 1.15rem; margin: 0.7rem 0 0.5rem; letter-spacing: -0.01em; }
.feature h3 { margin-top: 0; }
.step p, .feature p { color: var(--dim); font-size: 0.95rem; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 1fr; gap: 1rem; margin-top: 2rem; }

/* privacy */
.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: center; }
.checks { list-style: none; display: grid; gap: 0.9rem; }
.checks li { padding: 1rem 1.2rem 1rem 3rem; border-radius: 12px; color: #cfdbe9; }
.checks li::before { content: "✓"; position: absolute; left: 1.15rem; top: 1rem; color: var(--accent-soft); font-weight: 700; }

/* pricing */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 2.2rem 0 2rem; max-width: 760px; }
.plan h3 { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--dim); }
.plan .price { font-size: 2.6rem; font-weight: 650; letter-spacing: -0.03em; margin: 0.4rem 0 0.4rem; }
.plan .dim { min-height: 3.2em; margin-bottom: 1.2rem; }
.plan .btn { width: 100%; }
.plan.pro { border-color: rgba(var(--glow), 0.55); background: radial-gradient(120% 80% at 0% 0%, rgba(105, 183, 255, 0.18), transparent 60%), linear-gradient(180deg, rgba(var(--glow), 0.16), var(--panel) 65%); }
.plan.pro h3 { color: var(--accent-soft); }
.table-wrap { overflow-x: auto; }
.compare { width: 100%; max-width: 760px; border-collapse: collapse; font-size: 0.95rem; }
.compare th, .compare td { padding: 0.75rem 0.9rem; border-bottom: 1px solid var(--hair); text-align: left; }
.compare th { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--dim); font-weight: 500; }
.compare th + th, .compare td + td { text-align: center; width: 80px; }
.yes { color: var(--accent-soft); font-weight: 700; }
.no { color: rgba(238, 243, 250, 0.25); }

/* faq */
.faq { margin-top: 1.6rem; }
details { border-bottom: 1px solid var(--hair); }
summary { cursor: pointer; padding: 1.15rem 2rem 1.15rem 0; font-weight: 600; font-size: 1.05rem; list-style: none; position: relative; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0.2rem; color: var(--accent-soft); font-weight: 400; font-size: 1.4rem; line-height: 1; top: 1.1rem; }
details[open] summary::after { content: "–"; }
details p { color: var(--dim); padding: 0 0 1.2rem; }

.final { text-align: center; padding-bottom: 5rem; }
.final .lead { margin: 0 auto; }

/* guide */
.guide h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: 1.2rem; }
.guide h2 { font-size: 1.6rem; margin: 3.2rem 0 1rem; }
.howto { counter-reset: s; list-style: none; display: grid; gap: 0.7rem; }
.howto li { counter-increment: s; padding: 1rem 1.2rem 1rem 3.4rem; border-radius: 12px; color: #cfdbe9; }
.howto li::before { content: counter(s, decimal-leading-zero); position: absolute; left: 1.1rem; top: 1.05rem; font-family: var(--mono); font-size: 0.8rem; color: var(--accent-soft); }
.howto b, .checks b, .feature b { color: var(--text); }
.callout { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 2rem; padding: 1.4rem 1.6rem; border-radius: 14px; border: 1px solid rgba(var(--glow), 0.5); background: rgba(var(--glow), 0.1); }
.guide .grid { grid-template-columns: 1fr; }

/* legal */
.legal { padding: 4.5rem 0 3rem; }
.legal h1 { font-size: clamp(1.9rem, 4.4vw, 2.7rem); margin-bottom: 0.6rem; }
.legal .updated { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.14em; color: var(--accent-soft); margin-bottom: 2.5rem; text-transform: uppercase; }
.legal h2 { font-size: 1.3rem; margin: 2.4rem 0 0.8rem; border-top: 1px solid var(--hair); padding-top: 1.6rem; }
.legal p, .legal li { color: var(--dim); margin-bottom: 0.8rem; }
.legal ul { padding-left: 1.3rem; margin-bottom: 1rem; }
.legal strong { color: var(--text); }

/* footer */
.site-footer { border-top: 1px solid var(--hair); margin-top: 3rem; padding: 3rem 0; }
.foot { display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.foot p { margin-top: 0.6rem; }
.wordmark { font-family: var(--logo); font-weight: 900; color: var(--text); text-decoration: none; font-size: 1.05rem; letter-spacing: -0.02em; }
.wordmark-dot { color: #7352D1; font-size: 0.72em; margin: 0 0.14em; vertical-align: 0.1em; }
.wordmark-accent { color: #7352D1; }

@media (max-width: 900px) {
  .site-nav { display: none; }
  .langs { margin-left: auto; }
  .steps, .grid, .split, .plans { grid-template-columns: 1fr; }
  .split { gap: 1.5rem; }
  .mbody { grid-template-columns: 1fr; }
  .mside, .mview { display: none; }
  .mlist { border-right: 0; }
}
@media (max-width: 520px) {
  .site-header { gap: 0.8rem; }
  .site-header .btn-small { display: none; }
  .hero { padding-top: 3.5rem; }
  .section { padding-top: 4rem; }
  .ctas .btn { width: 100%; }
}