:root {
  --bg: #eef2f7;
  --paper: #ffffff;
  --ink: #152033;
  --mute: #607089;
  --line: #d7e0ec;
  --go: #1f6feb;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans SC", "IBM Plex Sans", "PingFang SC", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(#dfe7f2, #dfe7f2) top / 100% 220px no-repeat,
    var(--bg);
}

img { max-width: 100%; display: block; }
a { color: inherit; }
.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.cmd {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cmd-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 800;
}
.cmd-brand img {
  width: 36px;
  height: 36px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--line);
  padding: 3px;
}
.cmd-dl {
  text-decoration: none;
  background: var(--go);
  color: #fff;
  font-weight: 700;
  padding: 10px 14px;
  border-radius: 8px;
}

.finder {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 36px;
  align-items: center;
  padding: 28px 0 48px;
  min-height: calc(100svh - 72px);
  max-height: 100svh;
}
.finder-copy { text-align: left; }
.finder-eye {
  margin: 0;
  color: var(--go);
  letter-spacing: .2em;
  font-size: 12px;
  font-weight: 700;
}
.finder h1 {
  margin: 10px 0 0;
  font-size: clamp(56px, 8vw, 92px);
  line-height: .9;
  letter-spacing: -.04em;
}
.finder-sub {
  margin: 16px 0 0;
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 700;
  line-height: 1.25;
}
.finder-sub em {
  font-style: normal;
  color: var(--go);
}
.finder-lead {
  margin: 16px 0 0;
  max-width: 36em;
  color: var(--mute);
  line-height: 1.75;
}
.finder-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.btn-go, .btn-soft {
  min-height: 48px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-weight: 800;
  border-radius: 10px;
}
.btn-go { background: var(--go); color: #fff; }
.btn-soft {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
}
.finder-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.finder-points li {
  background: rgba(31,111,235,.08);
  color: var(--go);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
}
.finder-stage {
  position: relative;
  justify-self: end;
  width: min(100%, 420px);
  height: min(78vh, 640px);
}
.finder-stage .phone {
  margin: 0;
  position: absolute;
  overflow: hidden;
  border-radius: 26px;
  border: 4px solid #1b2230;
  background: #fff;
  box-shadow: 0 24px 50px rgba(21,32,51,.2);
}
.finder-stage .phone img {
  width: 100%;
  height: auto;
  display: block;
}
.finder-stage .phone.main {
  width: 68%;
  right: 0;
  bottom: 0;
  z-index: 2;
}
.finder-stage .phone.side {
  width: 54%;
  left: 0;
  top: 6%;
  z-index: 1;
  transform: rotate(-5deg);
}

.sheet {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding-bottom: 40px;
}

.sec-top {
  margin-bottom: 22px;
}
.sec-top h2 {
  margin: 0;
  font-size: clamp(26px, 3.2vw, 36px);
}
.sec-top p {
  margin: 10px 0 0;
  color: var(--mute);
  line-height: 1.7;
  max-width: 42em;
}
.sec-top.light h2,
.sec-top.light p { color: inherit; }
.sec-top.light p { opacity: .75; }

.flow, .feature, .howto, .duo, .log, .chat {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  margin-bottom: 18px;
}

.flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.flow-grid article {
  background: #f5f8fd;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}
.flow-grid .step {
  display: inline-block;
  font-family: "IBM Plex Sans", sans-serif;
  font-weight: 700;
  color: var(--go);
  font-size: 22px;
  margin-bottom: 8px;
}
.flow-grid h3 { margin: 0 0 8px; font-size: 18px; }
.flow-grid p {
  margin: 0;
  color: var(--mute);
  line-height: 1.75;
  font-size: 15px;
}

.feature {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px;
  align-items: center;
}
.feature.invert { grid-template-columns: .85fr 1.15fr; }
.feature-copy .eyebrow {
  margin: 0 0 8px;
  color: var(--go);
  font-size: 12px;
  letter-spacing: .18em;
  font-weight: 700;
}
.feature-copy h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.2;
}
.feature-copy p {
  margin: 0;
  color: var(--mute);
  line-height: 1.85;
}
.feature-copy ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.feature-copy li {
  position: relative;
  padding-left: 18px;
  color: var(--ink);
  line-height: 1.6;
}
.feature-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--go);
}
.feature-phone {
  margin: 0;
  justify-self: center;
}
.feature-phone img {
  width: min(100%, 280px);
  height: auto;
  display: block;
  border-radius: 24px;
  border: 4px solid #1b2230;
  background: #fff;
  box-shadow: 0 20px 40px rgba(21,32,51,.16);
  cursor: zoom-in;
}

.howto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.howto-grid article {
  background: linear-gradient(180deg, #f7faff, #eef3fb);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}
.howto-grid h3 { margin: 0 0 8px; }
.howto-grid p {
  margin: 0;
  color: var(--mute);
  line-height: 1.75;
}

.duo-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.duo-row figure {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: center;
  background: #f5f8fd;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
}
.duo-row img {
  width: 150px;
  height: auto;
  border-radius: 18px;
  border: 3px solid #1b2230;
  background: #fff;
  cursor: zoom-in;
}
.duo-row figcaption strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}
.duo-row figcaption span {
  color: var(--mute);
  line-height: 1.7;
  font-size: 14px;
}

.log-box {
  font-family: "IBM Plex Sans", "Noto Sans SC", sans-serif;
  background: #0f1724;
  color: #d7e2f2;
  border-radius: 12px;
  padding: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 18px;
}
.log-box article {
  border-bottom: 1px dashed rgba(255,255,255,.12);
  padding-bottom: 12px;
}
.log-box article:nth-last-child(-n+2) { border-bottom: 0; padding-bottom: 0; }
.log-box time {
  display: inline-block;
  color: #7db0ff;
  font-size: 12px;
  margin-right: 8px;
}
.log-box strong { color: #fff; }
.log-box p {
  margin: 6px 0 0;
  line-height: 1.7;
  color: #c5d3e6;
}

.chat-thread { display: grid; gap: 10px; }
.chat-thread .q,
.chat-thread .a {
  max-width: 86%;
  padding: 12px 14px;
  border-radius: 14px;
  line-height: 1.7;
}
.chat-thread .q {
  justify-self: start;
  background: #e8eef8;
  font-weight: 700;
}
.chat-thread .a {
  justify-self: end;
  background: #1f6feb;
  color: #fff;
}

.foot {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 10px 0 100px;
  color: var(--mute);
  font-size: 14px;
}
.foot strong { color: var(--ink); }

.sticky {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px;
  background: rgba(255,255,255,.94);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.sticky a {
  text-decoration: none;
  background: var(--go);
  color: #fff;
  font-weight: 800;
  padding: 10px 16px;
  border-radius: 8px;
}

.glass {
  position: fixed;
  inset: 0;
  background: rgba(10,16,28,.86);
  display: grid;
  place-items: center;
  z-index: 50;
  padding: 24px;
}
.glass[hidden] { display: none; }
.glass img {
  max-height: 88vh;
  max-width: 92vw;
  object-fit: contain;
  border-radius: 12px;
}
.glass-close {
  position: absolute;
  top: 16px;
  right: 16px;
  border: 0;
  background: #fff;
  padding: 8px 12px;
  border-radius: 8px;
}

@media (max-width: 820px) {
  .finder {
    grid-template-columns: 1fr;
    max-height: none;
    min-height: 100svh;
    gap: 20px;
    padding-top: 12px;
  }
  .finder h1 { font-size: clamp(52px, 16vw, 72px); }
  .finder-stage {
    justify-self: center;
    width: min(92vw, 380px);
    height: 52vh;
    min-height: 340px;
  }
  .flow-grid,
  .howto-grid,
  .duo-row,
  .log-box,
  .feature,
  .feature.invert {
    grid-template-columns: 1fr;
  }
  .feature-phone img { width: min(58vw, 240px); }
  .duo-row figure { grid-template-columns: auto 1fr; }
  .duo-row img { width: 120px; }
  .chat-thread .q,
  .chat-thread .a { max-width: 94%; }
}