:root {
  color-scheme: light;
  --ink: #172033;
  --text: #3c465a;
  --muted: #667085;
  --blue: #2468df;
  --teal: #008f7a;
  --coral: #f26642;
  --paper: #f4f8fb;
  --surface: #fff;
  --line: #d9e3ec;
  --soft-blue: #edf5ff;
  --shadow: 0 18px 50px rgba(37, 57, 88, .1);
  --container: 1060px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.8;
}

a {
  color: inherit;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
}

.page-hero {
  padding: clamp(56px, 9vw, 94px) 0 clamp(48px, 7vw, 76px);
  background:
    radial-gradient(circle at 84% 14%, rgba(0, 168, 150, .14), transparent 28%),
    linear-gradient(180deg, #fff 0%, var(--paper) 100%);
}

.kicker {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .11em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.35;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  letter-spacing: -.035em;
}

h2 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  letter-spacing: -.02em;
}

h3 {
  margin: 0;
}

.hero-copy {
  max-width: 700px;
  margin: 18px 0 0;
  font-size: clamp(1.02rem, 2vw, 1.15rem);
}

.section {
  padding: clamp(54px, 8vw, 84px) 0;
}

.section.white {
  background: #fff;
}

.section-head {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-head p:last-child {
  margin: 12px 0 0;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

details[open] {
  box-shadow: 0 8px 24px rgba(37, 57, 88, .07);
}

summary {
  position: relative;
  padding: 19px 50px 19px 20px;
  color: var(--ink);
  font-weight: 900;
  cursor: pointer;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "＋";
  position: absolute;
  top: 18px;
  right: 20px;
  color: var(--blue);
  font-size: 1.2rem;
  line-height: 1;
}

details[open] summary::after {
  content: "−";
}

.details-body {
  padding: 0 20px 20px;
}

.details-body p,
.details-body ol,
.details-body ul {
  margin-top: 0;
}

.details-body :last-child {
  margin-bottom: 0;
}

.purchase-grid {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(360px, 1.2fr);
  gap: 24px;
  align-items: start;
}

.info-card,
.line-contact-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
}

.info-card {
  padding: clamp(24px, 4vw, 36px);
}

.info-card ul {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.info-card li {
  position: relative;
  padding-left: 28px;
}

.info-card li + li {
  margin-top: 11px;
}

.info-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 900;
}

.line-contact-card {
  display: grid;
  justify-items: center;
  gap: 20px;
  padding: clamp(24px, 4vw, 38px);
  overflow: hidden;
  text-align: center;
}

.line-contact-heading {
  display: flex;
  align-items: center;
  justify-self: stretch;
  gap: 14px;
  text-align: left;
}

.line-contact-heading .kicker {
  margin-bottom: 2px;
}

.line-contact-heading h2 {
  font-size: clamp(1.55rem, 3vw, 2.15rem);
}

.line-mark {
  display: grid;
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 17px;
  background: #06c755;
  color: #fff;
  font-size: .78rem;
  font-weight: 900;
}

.line-contact-card > p {
  max-width: 520px;
  margin: 0;
}

.qr-frame {
  width: min(100%, 190px);
  padding: 10px;
  border: 1px solid #cfe8d8;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(6, 199, 85, .12);
}

.qr-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.line-instruction {
  padding: 16px 18px;
  border-radius: 12px;
  background: #effaf3;
  color: #466354;
  font-size: .92rem;
}

.line-instruction strong {
  color: #174d2f;
}

.site-footer {
  padding: 28px 0;
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: .86rem;
}

.footer-inner {
  width: min(100% - 32px, var(--container));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  text-decoration: none;
}

@media (max-width: 760px) {
  .purchase-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .qr-frame {
    width: 172px;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}