:root {
  color-scheme: light;
  --cream: #fbf4ea;
  --paper: #fffdf9;
  --ink: #4a3a3f;
  --soft: #6f5c61;
  --pink: #e04f68;
  --pink-deep: #c93a57;
  --pink-soft: #fde3e5;
  --yellow: #f2cd62;
  --yellow-soft: #fcefc6;
  --blue: #76b3dd;
  --blue-soft: #deeef9;
  --green-soft: #e2efdc;
  --line: #f0e2d4;
  --round: "Hiragino Maru Gothic ProN", "ヒラギノ丸ゴ ProN", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--round);
  font-size: 17px;
  line-height: 1.9;
  -webkit-text-size-adjust: 100%;
}
a { color: inherit; text-underline-offset: 5px; }
a:focus-visible { outline: 3px solid var(--pink); outline-offset: 4px; border-radius: 8px; }
h1, h2, h3 { font-weight: 700; line-height: 1.5; margin: 0; }
ul, ol, dl, dd { margin: 0; padding: 0; list-style: none; }

/* header / footer */
.site-header, .site-footer {
  max-width: 1080px; margin: 0 auto; padding: 22px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.mark {
  display: grid; grid-template-columns: 1fr 1fr; place-items: center;
  width: 46px; height: 46px; padding: 5px; border-radius: 12px;
  background: linear-gradient(160deg, #ef6275, #d33958);
  color: #fff; font-weight: 700; font-size: 15px; line-height: 1;
  box-shadow: 0 4px 10px #d339582e;
}
.brand-name { font-size: 21px; font-weight: 700; letter-spacing: .06em; }
nav a, .back {
  display: inline-block; padding: 8px 18px; border-radius: 999px;
  background: var(--paper); text-decoration: none; font-size: 15px;
  box-shadow: 0 2px 0 var(--line);
}

/* hero */
.hero {
  max-width: 1080px; margin: 12px auto 0; padding: 24px 32px 72px;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center;
}
.kicker {
  display: inline-block; margin: 0 0 14px; padding: 4px 16px; border-radius: 999px;
  background: var(--pink-soft); color: var(--pink-deep); font-size: 15px; font-weight: 700;
}
.hero h1 { font-size: clamp(34px, 4.6vw, 54px); letter-spacing: .02em; line-height: 1.45; }
.hero h1 em {
  font-style: normal; color: var(--pink);
  background: linear-gradient(transparent 68%, var(--yellow-soft) 68%);
}
.lead { margin: 22px 0 26px; font-size: 18px; line-height: 2; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips li {
  padding: 8px 16px; border-radius: 999px; background: var(--paper);
  font-size: 15px; font-weight: 700; box-shadow: 0 2px 0 var(--line);
}
.chips li::before { content: "✓"; color: var(--pink); margin-right: 6px; }
.status {
  display: inline-flex; align-items: center; gap: 10px; margin: 28px 0 0;
  padding: 12px 24px; border-radius: 999px; background: var(--ink); color: #fff;
  font-size: 16px; font-weight: 700;
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--yellow); }

.phone { position: relative; margin: 0; justify-self: center; width: 100%; max-width: 280px; }
.phone::before, .phone::after { content: ""; position: absolute; border-radius: 50%; z-index: -1; }
.phone::before { width: 120%; aspect-ratio: 1; left: -10%; top: 10%; background: var(--pink-soft); }
.phone::after { width: 46%; aspect-ratio: 1; right: -22%; top: -4%; background: var(--yellow-soft); }
.phone-frame {
  padding: 8px; border-radius: 40px; background: var(--paper);
  box-shadow: 0 18px 40px #c9395722, 0 2px 0 var(--line);
}
.phone img { display: block; width: 100%; height: auto; border-radius: 32px; }
.sticker {
  position: absolute; margin: 0; display: grid; place-items: center; text-align: center;
  width: 92px; height: 92px; border-radius: 50%;
  font-size: 15px; font-weight: 700; line-height: 1.35;
}
.sticker-a { left: -44px; top: 22%; background: var(--blue); color: #fff; transform: rotate(-10deg); }
.sticker-b { right: -40px; bottom: 18%; background: var(--pink); color: #fff; transform: rotate(8deg); }
.phone figcaption { margin-top: 12px; text-align: center; font-size: 15px; color: var(--soft); }

/* sections */
main > section:not(.hero) { max-width: 1080px; margin: 0 auto; padding: 72px 32px; text-align: center; }
main h2 { font-size: clamp(26px, 3.2vw, 34px); letter-spacing: .04em; }
main h2::after {
  content: ""; display: block; width: 44px; height: 6px; margin: 14px auto 0;
  border-radius: 3px; background: var(--pink);
}
.section-lead { margin: 20px 0 0; font-size: 17px; }

.daily { background: var(--paper); border-radius: 48px; }
.doors { margin-top: 36px; display: flex; justify-content: center; align-items: flex-end; gap: clamp(16px, 5vw, 56px); }
.doors li { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.doors svg { width: 96px; height: auto; }
.door-past svg, .door-next svg { opacity: .85; }
.door-today svg { width: 132px; filter: drop-shadow(0 8px 12px #76b3dd55); }
.day { font-size: 18px; font-weight: 700; }
.door-today .day { font-size: 21px; color: var(--pink-deep); }
.door-note { white-space: nowrap; padding: 2px 12px; border-radius: 999px; background: var(--cream); font-size: 15px; }
.door-today .door-note { background: var(--pink); color: #fff; font-weight: 700; }

.cards { margin-top: 40px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; text-align: left; }
.card { padding: 28px 28px 30px; border-radius: 32px; }
.card-pink { background: var(--pink-soft); }
.card-yellow { background: var(--yellow-soft); }
.card-blue { background: var(--blue-soft); }
.card-green { background: var(--green-soft); }
.big { margin: 0 0 8px; font-size: 44px; font-weight: 700; line-height: 1.1; color: var(--pink-deep); }
.big small { font-size: 22px; margin-left: 2px; }
.big.word { font-size: 30px; padding-top: 10px; }
.card h3 { font-size: 20px; margin-bottom: 8px; }
.card p:not(.big) { margin: 0; font-size: 16px; }

.steps { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; text-align: left; }
.steps li { display: flex; gap: 14px; align-items: flex-start; padding: 24px; border-radius: 28px; background: var(--paper); }
.num {
  flex: none; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--pink); color: #fff; font-size: 20px; font-weight: 700;
}
.steps h3 { font-size: 18px; margin: 5px 0 6px; }
.steps p { margin: 0; font-size: 16px; }

.faq dl { max-width: 760px; margin: 40px auto 0; display: grid; gap: 14px; text-align: left; }
.faq dl > div { padding: 22px 26px; border-radius: 24px; background: var(--paper); }
.faq dt { font-size: 18px; font-weight: 700; }
.faq dt::before {
  content: "Q"; display: inline-grid; place-items: center; width: 30px; height: 30px; margin-right: 10px;
  border-radius: 50%; background: var(--pink-soft); color: var(--pink-deep); font-size: 16px;
}
.faq dd { margin-top: 8px; padding-left: 40px; font-size: 16px; }

main > section.closing {
  margin-bottom: 40px; padding: 60px 32px; border-radius: 48px;
  background: linear-gradient(160deg, #ef6275, #d33958); color: #fff;
}
.closing-title { margin: 0; font-size: clamp(26px, 3.4vw, 36px); font-weight: 700; line-height: 1.6; }
.closing .status { background: #fff; color: var(--ink); }

.site-footer { justify-content: flex-start; flex-wrap: wrap; padding-bottom: 40px; font-size: 15px; }
.maker { margin-right: auto; font-weight: 700; color: var(--soft); }

/* support / privacy */
.document { max-width: 760px; margin: 24px auto 72px; padding: 48px 48px 56px; background: var(--paper); border-radius: 40px; }
.document .kicker { margin-bottom: 10px; }
.document h1 { font-size: 32px; letter-spacing: .04em; }
.document h2 { font-size: 20px; margin: 36px 0 6px; padding-left: 14px; border-left: 6px solid var(--pink); line-height: 1.5; }
.document h2::after { content: none; }
.document p { font-size: 16px; margin: 0; }
.document .note { margin-top: 20px; padding: 18px 22px; background: var(--yellow-soft); border-radius: 20px; }

@media (max-width: 760px) {
  .site-header, .site-footer { padding: 16px 16px; }
  .mark { width: 40px; height: 40px; font-size: 13px; border-radius: 10px; }
  .brand-name { font-size: 18px; }
  .hero { grid-template-columns: 1fr; gap: 44px; padding: 8px 16px 56px; text-align: center; }
  .hero h1 { font-size: clamp(26px, 8.4vw, 34px); }
  .lead { font-size: 17px; }
  .chips { gap: 8px; }
  .chips li { padding: 6px 14px; }
  .lead .wide { display: none; }
  .chips { justify-content: center; }
  .phone { max-width: 230px; }
  .sticker { width: 78px; height: 78px; font-size: 14px; }
  .sticker-a { left: -34px; }
  .sticker-b { right: -30px; }
  main > section:not(.hero) { padding: 52px 16px; }
  .daily, main > section.closing { border-radius: 32px; margin-left: 8px; margin-right: 8px; }
  .doors { gap: 10px; }
  .doors svg { width: 72px; }
  .door-today svg { width: 100px; }
  .day { font-size: 16px; }
  .door-note { font-size: 14px; padding: 2px 8px; }
  .cards, .steps { grid-template-columns: 1fr; gap: 14px; }
  .card { padding: 24px; border-radius: 26px; }
  .faq dl > div { padding: 18px 20px; }
  .faq dd { padding-left: 0; }
  .document { margin: 8px 8px 48px; padding: 32px 20px 40px; border-radius: 28px; }
  .document h1 { font-size: 27px; }
}