/* Basyo Memo — site styles
   The look follows the app: quiet greys, light type, wide letter-spacing on uppercase labels,
   thin lines like a floor plan. */

:root {
  color-scheme: light dark;
  --bg: #f6f6f5;
  --bg-raised: #ffffff;
  --ink: #1c1c1e;
  --ink-2: rgba(28, 28, 30, .62);
  --ink-3: rgba(28, 28, 30, .38);
  --line: rgba(28, 28, 30, .12);
  --line-strong: rgba(28, 28, 30, .55);
  --fill: rgba(28, 28, 30, .04);
  --fill-2: rgba(28, 28, 30, .08);
  --button-bg: #111111;
  --button-ink: #ffffff;
  --radius: 22px;
  --max: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "Hiragino Sans",
          "Hiragino Kaku Gothic ProN", "PingFang TC", "Noto Sans TC", "Noto Sans JP", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0f10;
    --bg-raised: #1a1a1c;
    --ink: #f2f2f7;
    --ink-2: rgba(242, 242, 247, .66);
    --ink-3: rgba(242, 242, 247, .40);
    --line: rgba(242, 242, 247, .12);
    --line-strong: rgba(242, 242, 247, .5);
    --fill: rgba(242, 242, 247, .04);
    --fill-2: rgba(242, 242, 247, .08);
    --button-bg: #f2f2f7;
    --button-ink: #111111;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Small uppercase label, like "BASYO" in the app */
.label {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.spaced { letter-spacing: .22em; text-transform: uppercase; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(16px);
  -webkit-backdrop-filter: saturate(1.4) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.topbar.scrolled { border-bottom-color: var(--line); }
.topbar .wrap { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { font-size: 12px; font-weight: 500; letter-spacing: .34em; text-decoration: none; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { font-size: 13px; text-decoration: none; color: var(--ink-2); }
.nav a:hover { color: var(--ink); }

.lang { display: flex; gap: 4px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; }
.lang button, .lang a {
  border: 0; background: none; cursor: pointer; text-decoration: none;
  font-size: 11px; letter-spacing: .06em; padding: 4px 10px; border-radius: 999px; color: var(--ink-2);
}
.lang [aria-pressed="true"] { background: var(--ink); color: var(--bg); }

@media (max-width: 760px) {
  .nav { display: none; }
  .lang { margin-left: auto; }
}

/* ---------- Hero ---------- */
.hero { padding: 72px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.hero h1 {
  font-size: clamp(44px, 7vw, 76px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 18px 0 20px;
}
.hero .lead { font-size: clamp(17px, 2vw, 20px); color: var(--ink-2); max-width: 30em; margin: 0 0 32px; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 20px; }
.store {
  display: inline-flex; align-items: center; gap: 10px;
  height: 52px; padding: 0 26px; border-radius: 999px;
  background: var(--button-bg); color: var(--button-ink);
  text-decoration: none; font-size: 15px; font-weight: 500;
  transition: transform .18s ease;
}
.store:active { transform: scale(.98); }
.store svg { width: 18px; height: 18px; }
.cta-note { font-size: 13px; color: var(--ink-3); }

.hero-phones { position: relative; display: flex; justify-content: center; }
.hero-phones .phone:nth-child(2) {
  position: absolute; width: 58%; right: 0; bottom: -6%;
  transform: rotate(4deg);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.35);
}
.hero-phones .phone:first-child { width: 72%; margin-right: 18%; }

@media (max-width: 860px) {
  .hero { padding-top: 40px; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-phones { max-width: 380px; margin: 16px auto 40px; }
}

/* ---------- Phone frame ---------- */
.phone {
  width: 100%;
  border-radius: 14% / 6.5%;
  padding: 2.6%;
  background: #111;
  box-shadow: 0 24px 60px -24px rgba(0,0,0,.28), 0 0 0 1px rgba(255,255,255,.06) inset;
}
.phone img { width: 100%; height: auto; border-radius: 11.5% / 5.3%; aspect-ratio: 1320 / 2868; object-fit: cover; }

/* ---------- Sections ---------- */
section { padding: 96px 0; }
section + section { border-top: 1px solid var(--line); }
.section-head { max-width: 40em; margin-bottom: 48px; }
.section-head h2 {
  font-size: clamp(30px, 4.2vw, 44px);
  font-weight: 300;
  letter-spacing: -.01em;
  line-height: 1.2;
  margin: 14px 0 16px;
}
.section-head p { font-size: 17px; color: var(--ink-2); margin: 0; }

/* ---------- Concept: list vs place ---------- */
.contrast { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contrast > div {
  border-radius: var(--radius); padding: 28px;
  background: var(--fill); border: 1px solid var(--line);
}
.contrast h3 { margin: 0 0 18px; font-size: 13px; font-weight: 500; }
.long-list { list-style: none; padding: 0; margin: 0; }
.long-list li {
  font-size: 14px; color: var(--ink-2);
  padding: 8px 0; border-bottom: 1px solid var(--line);
  display: flex; gap: 12px; align-items: center;
}
.long-list li::before {
  content: ""; width: 14px; height: 14px; border-radius: 50%;
  border: 1px solid var(--ink-3); flex: none;
}
.long-list li:nth-child(n+6) { opacity: .45; }
.long-list li:nth-child(n+8) { opacity: .2; }

/* ---------- Interactive floor plan ---------- */
.demo { display: grid; grid-template-columns: .85fr 1.1fr .95fr; gap: 20px; align-items: stretch; }
.list-card { border-radius: var(--radius); padding: 28px; background: var(--fill); border: 1px solid var(--line); }
.list-card h3, .plan-col h3 { margin: 0 0 18px; font-size: 11px; font-weight: 500; }
.plan-col { display: flex; flex-direction: column; }
.plan-col h3 { padding-top: 29px; }
.plan-col .plan { flex: 1; }
.plan {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr 2fr;
  aspect-ratio: 1 / 1.05;
  border: 1.5px solid var(--line-strong);
  background: var(--bg-raised);
}
.room {
  position: relative;
  display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start;
  padding: 14px 16px;
  border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  background: transparent; cursor: pointer; text-align: left;
  transition: background .2s;
}
.room:hover { background: var(--fill); }
.room[aria-pressed="true"] { background: var(--fill-2); }
.room svg { width: 22px; height: 22px; stroke: var(--ink-3); fill: none; stroke-width: 1.4; }
.room .name { font-size: 12px; font-weight: 500; letter-spacing: .24em; text-transform: uppercase; }
.room .dots { display: flex; gap: 5px; min-height: 6px; margin-bottom: 8px; }
.room .dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--ink-3); transition: opacity .3s, transform .3s; }
.room.r-bed { grid-column: 1; grid-row: 1 / 3; }
.room.r-bath { grid-column: 2; grid-row: 1; }
.room.r-toilet { grid-column: 2; grid-row: 2; }
.room.r-living { grid-column: 1; grid-row: 3; border-bottom: 0; }
.room.r-kitchen { grid-column: 2; grid-row: 3; border-bottom: 0; }
.r-bath, .r-toilet, .r-kitchen { border-right: 0 !important; }

.panel {
  border-radius: var(--radius); padding: 28px;
  background: var(--fill); border: 1px solid var(--line);
  display: flex; flex-direction: column;
}
.panel .room-title { font-size: 26px; font-weight: 400; letter-spacing: .2em; text-transform: uppercase; margin: 4px 0 2px; }
.panel .count { font-size: 13px; color: var(--ink-3); margin-bottom: 20px; }
.tasks { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.tasks button {
  display: flex; align-items: center; gap: 12px; width: 100%;
  padding: 12px 16px; border-radius: 14px; cursor: pointer; text-align: left;
  background: var(--bg-raised); border: 1px solid var(--line); font-size: 15px;
  transition: opacity .35s, transform .35s;
}
.tasks button::before {
  content: ""; width: 18px; height: 18px; border-radius: 50%; flex: none;
  border: 1.5px solid var(--ink-3);
}
.tasks li.done button { opacity: 0; transform: translateX(12px); }
.clear { font-size: 14px; color: var(--ink-3); margin: 8px 0 0; }
.hint { margin-top: auto; padding-top: 20px; font-size: 12px; color: var(--ink-3); }

@media (max-width: 960px) {
  .demo { grid-template-columns: 1fr 1fr; }
  .list-card { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .demo { grid-template-columns: 1fr; }
  .plan-col h3 { padding-top: 12px; }
}

/* ---------- Steps with screenshots ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step .phone { max-width: 260px; margin: 0 auto 24px; }
.step .num { font-size: 11px; letter-spacing: .3em; color: var(--ink-3); }
.step h3 { font-size: 20px; font-weight: 400; letter-spacing: .18em; text-transform: uppercase; margin: 6px 0 8px; }
.step p { margin: 0; color: var(--ink-2); font-size: 15px; }
@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; gap: 56px; }
}

/* ---------- Features ---------- */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature {
  border-radius: var(--radius); padding: 28px;
  background: var(--fill); border: 1px solid var(--line);
}
.feature svg { width: 26px; height: 26px; stroke: var(--ink-2); fill: none; stroke-width: 1.4; margin-bottom: 18px; }
.feature h3 { font-size: 17px; font-weight: 500; margin: 0 0 6px; }
.feature p { margin: 0; color: var(--ink-2); font-size: 15px; }
.gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 240px)); justify-content: center; gap: 32px; margin-top: 56px; }
@media (max-width: 760px) {
  .features { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

/* ---------- Pricing ---------- */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 760px; }
.plan-card {
  border-radius: var(--radius); padding: 32px;
  border: 1px solid var(--line); background: var(--fill);
}
.plan-card.pro { background: var(--bg-raised); border-color: var(--line-strong); }
.plan-card .tier { font-size: 12px; letter-spacing: .3em; text-transform: uppercase; color: var(--ink-3); }
.plan-card .price { font-size: 30px; font-weight: 300; margin: 8px 0 18px; }
.plan-card ul { list-style: none; padding: 0; margin: 0; }
.plan-card li { font-size: 15px; color: var(--ink-2); padding: 7px 0; border-top: 1px solid var(--line); }
.langs-note { margin-top: 28px; font-size: 14px; color: var(--ink-3); }
@media (max-width: 640px) { .plans { grid-template-columns: 1fr; } }

/* ---------- About us ---------- */
.people { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.person {
  display: flex; gap: 20px; align-items: flex-start;
  border-radius: var(--radius); padding: 28px;
  border: 1px solid var(--line); background: var(--fill);
}
.avatar {
  flex: none; width: 72px; height: 72px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  font-size: 22px; font-weight: 300; letter-spacing: .08em;
}
.avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.person h3 { margin: 4px 0 2px; font-size: 20px; font-weight: 500; }
.person .role { font-size: 14px; color: var(--ink-2); }
.person .where { font-size: 12px; letter-spacing: .24em; text-transform: uppercase; color: var(--ink-3); margin-top: 6px; }
.story { max-width: 40em; margin-top: 32px; font-size: 17px; color: var(--ink-2); }
@media (max-width: 760px) { .people { grid-template-columns: 1fr; } }

/* ---------- Support ---------- */
.support-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; }
.contact a.mail {
  display: inline-block; margin: 10px 0 14px; font-size: 18px;
  text-decoration: none; border-bottom: 1px solid var(--line-strong);
}
.contact p { font-size: 15px; color: var(--ink-2); margin: 0 0 12px; }
details { border-top: 1px solid var(--line); }
details:last-child { border-bottom: 1px solid var(--line); }
summary {
  cursor: pointer; list-style: none; padding: 18px 0; font-size: 16px;
  display: flex; justify-content: space-between; gap: 16px;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--ink-3); font-weight: 300; font-size: 20px; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { margin: 0 0 18px; color: var(--ink-2); font-size: 15px; }
@media (max-width: 760px) { .support-grid { grid-template-columns: 1fr; gap: 32px; } }

/* ---------- Closing + footer ---------- */
.closing { text-align: center; }
.closing h2 { font-size: clamp(34px, 5vw, 56px); font-weight: 300; margin: 14px 0 28px; letter-spacing: -.01em; }
footer { border-top: 1px solid var(--line); padding: 32px 0 48px; font-size: 13px; color: var(--ink-3); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; }
footer a { text-decoration: none; }
footer a:hover { color: var(--ink); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Document pages (privacy policy) ---------- */
.doc { max-width: 680px; margin: 0 auto; padding: 56px 24px 96px; }
.doc h1 { font-size: 36px; font-weight: 300; margin: 12px 0 8px; }
.doc h2 { font-size: 12px; font-weight: 500; letter-spacing: .3em; text-transform: uppercase; color: var(--ink-3); margin: 64px 0 12px; }
.doc h3 { font-size: 17px; font-weight: 500; margin: 32px 0 8px; }
.doc p, .doc li { font-size: 15px; color: var(--ink-2); }
.doc ul { padding-left: 20px; }
.doc hr { border: none; border-top: 1px solid var(--line); margin: 64px 0; }
.doc .jump { display: flex; gap: 8px; margin-top: 24px; }
.doc .jump a {
  font-size: 12px; text-decoration: none; color: var(--ink-2);
  border: 1px solid var(--line); border-radius: 999px; padding: 4px 12px;
}