@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans+JP:wght@400;500&family=Shippori+Mincho:wght@500;600&display=swap");

:root {
  --ink: #1c1915;
  --muted: #5c564e;
  --faint: #8a8176;
  --pine: #0f3d32;
  --persimmon: #e23b24;
  --gold: #e6a322;
  --paper: #fbf6ee;
  --cream: #fffdf8;
  --display: "Shippori Mincho", "Yu Mincho", serif;
  --body: "IBM Plex Sans JP", "Hiragino Sans", sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(ellipse 50% 38% at 0% 0%, rgba(226, 59, 36, 0.08), transparent),
    radial-gradient(ellipse 42% 32% at 100% 0%, rgba(15, 61, 50, 0.1), transparent),
    var(--paper);
  color: var(--ink);
  font-family: var(--body);
}

.wrap { min-height: 100vh; display: flex; flex-direction: column; }

.site-head {
  background: var(--pine);
  padding: 14px 20px;
}
.site-head .logo { margin: 0; line-height: 0; }
.site-head .logo img {
  height: 24px;
  width: auto;
  display: block;
}

main {
  flex: 1;
  width: min(560px, 100%);
  margin: 0 auto;
  padding: 36px 20px 56px;
}

.soon {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(226, 59, 36, 0.1);
  color: var(--persimmon);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.q {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.7rem, 6vw, 2.15rem);
  line-height: 1.45;
  letter-spacing: 0.02em;
  margin: 0 0 14px;
}

.lede {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(1.12rem, 3.6vw, 1.28rem);
  line-height: 1.7;
  color: var(--pine);
  margin: 0 0 18px;
}

.muted {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.85;
  line-break: strict;
  word-break: normal;
  overflow-wrap: break-word;
}
.nowrap { white-space: nowrap; }
.br-sp { display: none; }
@media (max-width: 560px) {
  .br-sp { display: inline; }
}

.signup-box {
  margin: 28px 0 0;
  padding: 20px 18px 18px;
  background: var(--cream);
  border-radius: 16px;
  border: 1px solid rgba(28, 25, 21, 0.08);
}
.overview > .signup-box {
  margin: 8px 0 28px;
}
.signup-end {
  margin-top: 44px;
  padding-top: 8px;
}
.signup-end .signup-box { margin-top: 0; }
.signup-label {
  margin: 0 0 12px;
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--pine);
}
.signup-lead {
  margin: -4px 0 14px;
}
.gate-time {
  display: inline-block;
  margin: 24px 0 0;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(15, 61, 50, 0.1);
  color: var(--pine);
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.06em;
}

.overview {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid rgba(28, 25, 21, 0.1);
}

.section-title {
  margin: 0 0 16px;
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.3rem;
  letter-spacing: 0.05em;
  color: var(--pine);
}

.points {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: point;
}
.points li {
  background: var(--cream);
  border-radius: 14px;
  padding: 16px 16px 16px 18px;
  border-left: 4px solid var(--pine);
}
.points li:nth-child(2) { border-left-color: var(--persimmon); }
.points li:nth-child(3) { border-left-color: var(--gold); }
.points strong {
  display: block;
  margin: 0 0 6px;
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.02rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
}
.points span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

.screen-note {
  margin: 0 0 18px;
  color: var(--faint);
  font-size: 0.78rem;
  line-height: 1.6;
}

.screens {
  display: grid;
  gap: 28px;
  justify-items: center;
}
.screens figure { margin: 0; width: min(280px, 100%); }
.screens img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(28, 25, 21, 0.12);
  background: var(--cream);
}
.screens figcaption {
  margin-top: 10px;
  text-align: center;
  color: var(--faint);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.field { margin: 0; }
.signup-box .btn { margin-top: 14px; }
.field label {
  display: block;
  margin-bottom: 6px;
  color: var(--faint);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}
.field input[type="email"] {
  width: 100%;
  border: 1px solid rgba(28, 25, 21, 0.14);
  border-radius: 12px;
  padding: 14px;
  font: inherit;
  background: var(--cream);
}
.fine {
  margin: 10px 0 0;
  color: var(--faint);
  font-size: 0.78rem;
  line-height: 1.65;
}
.btn {
  display: block;
  width: 100%;
  margin-top: 16px;
  border: none;
  border-radius: 999px;
  padding: 15px 20px;
  background: var(--persimmon);
  color: #fffaf6;
  font: inherit;
  font-weight: 500;
  letter-spacing: 0.12em;
  font-size: 0.86rem;
  cursor: pointer;
}
.form-error {
  margin-top: 12px;
  color: var(--persimmon);
  font-size: 0.84rem;
}

.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-foot {
  padding: 18px 20px 28px;
  text-align: center;
  color: var(--faint);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

@media (min-width: 900px) {
  main { width: min(920px, 100%); padding-left: 32px; padding-right: 32px; }
  .hero { max-width: 560px; }
  .screens {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    align-items: start;
  }
  .screens figure { width: 100%; max-width: 280px; }
  .btn { width: auto; min-width: 220px; }
  .field { max-width: 420px; }
}