:root {
  --brand: #5DBED6;
  --brand-dark: #176A7D;
  --brand-deep: #104C5B;
  --brand-light: #DDF4F9;
  --brand-pale: #F5FCFD;
  --accent: #E96F55;
  --accent-dark: #C9533C;
  --yellow: #FFD878;
  --text: #17383F;
  --muted: #597077;
  --line: #C6E7EE;
  --white: #FFFFFF;
  --shadow: 0 18px 50px rgba(16, 76, 91, 0.11);
  --radius: 22px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  color: var(--text);
  background: var(--brand-pale);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  line-height: 1.8;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
.section { padding: 88px 0; }
.section--white { background: var(--white); }
.section--blue { background: var(--brand-light); }
.section--dark { background: var(--brand-deep); color: var(--white); }
.section-heading { max-width: 760px; margin: 0 auto 44px; text-align: center; }
.section-heading .eyebrow { color: var(--brand-dark); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.section-heading h2 { margin: 8px 0 0; color: var(--brand-deep); font-size: clamp(1.8rem, 4vw, 2.55rem); line-height: 1.4; }
.section-heading p { margin: 14px 0 0; color: var(--muted); }
.section--dark .section-heading .eyebrow { color: var(--yellow); }
.section--dark .section-heading h2 { color: var(--white); }
.section--dark .section-heading p { color: rgba(255,255,255,.82); }

.campaign { padding: 10px 20px; background: var(--yellow); color: var(--brand-deep); text-align: center; font-weight: 800; }
.campaign[hidden] { display: none; }

.header { position: sticky; top: 0; z-index: 1000; background: rgba(255,255,255,.96); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(16,76,91,.12); box-shadow: 0 4px 18px rgba(16,76,91,.06); }
.header__inner { min-height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo {
  display: inline-block;
  width: 176px;
  height: 57px;
  flex: 0 0 176px;
  overflow: visible;
  background: url('/assets/letgift-touka.png?v=20260918') left center / contain no-repeat;
  font-size: 0;
}
.logo img,
.logo [data-logo-fallback] { display: none !important; }
.nav { display: flex; align-items: center; gap: 18px; font-size: .88rem; font-weight: 750; }
.nav a:hover { text-decoration: underline; text-underline-offset: 5px; }
.nav .nav-pass { border: 2px solid var(--brand-deep); background: var(--brand-pale); border-radius: 999px; padding: 8px 14px; text-decoration: none; }
.nav .nav-contact { background: var(--brand-deep); color: var(--white); border-radius: 999px; padding: 9px 16px; text-decoration: none; }
.menu-button { display: none; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); color: var(--brand-deep); font-size: 1.4rem; }

.hero { position: relative; overflow: hidden; padding: 92px 0 96px; background: radial-gradient(circle at 85% 10%, rgba(255,255,255,.62), transparent 31%), radial-gradient(circle at 6% 94%, rgba(16,76,91,.17), transparent 30%), var(--brand); }
.hero__grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 62px; align-items: center; }
.hero__tag { display: inline-block; padding: 7px 14px; border-radius: 999px; background: rgba(255,255,255,.84); color: var(--brand-deep); font-size: .82rem; font-weight: 800; }
.hero h1 { margin: 20px 0 0; color: var(--brand-deep); font-size: clamp(1.9rem, 4.6vw, 3.35rem); line-height: 1.3; letter-spacing: -.02em; white-space: nowrap; }
.hero h1 strong { color: var(--white); text-shadow: 0 4px 12px rgba(16,76,91,.18); }
.hero__lead { margin: 24px 0 0; max-width: 650px; color: var(--brand-deep); font-size: 1.02rem; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-card { background: rgba(255,255,255,.92); border: 1px solid rgba(255,255,255,.75); border-radius: 28px; padding: 28px; box-shadow: var(--shadow); }
.hero-card h2 { margin: 0 0 14px; color: var(--brand-deep); font-size: 1.35rem; }
.hero-card ul { margin: 0; padding-left: 1.2em; }
.hero-card li + li { margin-top: 8px; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 12px 24px; border: 2px solid transparent; border-radius: 999px; font-weight: 800; transition: .2s ease; }
.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--brand-deep); color: var(--white); }
.button--shop { background: var(--accent); color: var(--white); }
.button--outline { border-color: var(--brand-deep); color: var(--brand-deep); background: var(--white); }
.button--light { background: var(--white); color: var(--brand-deep); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: 0 8px 24px rgba(16,76,91,.06); }
.card h3 { margin: 0 0 10px; color: var(--brand-deep); }
.card p { margin: 0; color: var(--muted); }
.card .number { display: inline-flex; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: 50%; background: var(--brand); color: var(--brand-deep); font-weight: 900; margin-bottom: 15px; }

.price-wrap { overflow-x: auto; }
.price-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.price-table th, .price-table td { padding: 16px 18px; border-bottom: 1px solid var(--line); text-align: left; }
.price-table th { background: var(--brand-deep); color: var(--white); }
.price-table tr:last-child td { border-bottom: 0; }
.price-note { margin-top: 18px; color: var(--muted); font-size: .92rem; }

.flow { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.flow__item { position: relative; background: var(--white); border-radius: var(--radius); padding: 26px 22px; border: 1px solid var(--line); }
.flow__item::before { counter-increment: step; content: "STEP " counter(step); display: block; color: var(--brand-dark); font-weight: 900; font-size: .78rem; margin-bottom: 8px; }
.flow__item h3 { margin: 0 0 8px; color: var(--brand-deep); font-size: 1.02rem; }
.flow__item p { margin: 0; color: var(--muted); font-size: .92rem; }

.faq { display: grid; gap: 12px; max-width: 860px; margin: 0 auto; }
details { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; }
summary { cursor: pointer; font-weight: 800; color: var(--brand-deep); }
details p { margin: 12px 0 0; color: var(--muted); }

.company-table { width: 100%; border-collapse: collapse; background: var(--white); border-radius: var(--radius); overflow: hidden; }
.company-table th, .company-table td { padding: 15px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.company-table th { width: 190px; background: var(--brand-light); text-align: left; color: var(--brand-deep); }
.company-table tr:last-child th, .company-table tr:last-child td { border-bottom: 0; }

.contact-switch { display: flex; justify-content: center; gap: 10px; margin-bottom: 24px; }
.contact-switch button { border: 1px solid var(--line); border-radius: 999px; padding: 10px 18px; background: var(--white); color: var(--brand-deep); font-weight: 800; }
.contact-switch button.is-active { background: var(--brand-deep); color: var(--white); border-color: var(--brand-deep); }
.form-panel { max-width: 820px; margin: 0 auto; background: var(--white); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.form-panel[hidden] { display: none; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 800; color: var(--brand-deep); }
.required { color: var(--accent-dark); font-size: .78rem; margin-left: 5px; }
input, select, textarea { width: 100%; border: 1px solid #A9D8E2; border-radius: 12px; padding: 12px 13px; background: #fff; color: var(--text); }
textarea { min-height: 140px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(93,190,214,.22); border-color: var(--brand-dark); }
.checkbox { display: flex; gap: 10px; align-items: flex-start; }
.checkbox input { width: auto; margin-top: 7px; }
.form-actions { margin-top: 22px; display: flex; justify-content: center; }
.form-message { margin-top: 15px; text-align: center; min-height: 1.5em; color: var(--accent-dark); font-weight: 700; }
.hp-field { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

.legal-page main { padding: 72px 0 92px; }
.legal { max-width: 900px; margin: 0 auto; background: var(--white); border-radius: var(--radius); padding: clamp(24px, 5vw, 52px); box-shadow: var(--shadow); }
.legal h1 { margin-top: 0; color: var(--brand-deep); line-height: 1.4; }
.legal h2 { margin-top: 2.1em; color: var(--brand-deep); font-size: 1.25rem; }
.legal h3 { margin-top: 1.5em; color: var(--brand-deep); }
.legal p, .legal li { color: var(--text); }
.legal ul, .legal ol { padding-left: 1.5em; }
.legal .meta { color: var(--muted); font-size: .9rem; }

.footer { background: #0B3E4A; color: var(--white); padding: 48px 0 28px; }
.footer__grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 30px; }
.footer__brand { font-weight: 900; font-size: 1.15rem; }
.footer p { color: rgba(255,255,255,.78); }
.footer__links { display: flex; flex-wrap: wrap; gap: 12px 20px; align-content: start; justify-content: flex-end; }
.footer__links a { color: rgba(255,255,255,.9); font-size: .9rem; }
.footer__bottom { margin-top: 28px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.18); color: rgba(255,255,255,.62); font-size: .82rem; }

@media (max-width: 920px) {
  .nav { display: none; position: fixed; inset: 84px 0 auto 0; padding: 24px 20px 30px; background: var(--white); flex-direction: column; align-items: stretch; gap: 8px; border-top: 1px solid var(--line); box-shadow: 0 12px 24px rgba(16,76,91,.08); }
  .nav.is-open { display: flex; }
  .nav a { padding: 11px 8px; }
  .menu-button { display: inline-grid; place-items: center; }
  .hero__grid, .grid-2, .footer__grid { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .footer__links { justify-content: flex-start; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 28px, var(--container)); }
  .section { padding: 68px 0; }
  .hero { padding: 66px 0 72px; }
  .hero__grid, .grid-3, .flow, .form-grid { grid-template-columns: 1fr; }
  .hero__actions, .contact-switch { flex-direction: column; }
  .button { width: 100%; }
  .company-table th, .company-table td { display: block; width: 100%; }
  .company-table th { padding-bottom: 6px; }
  .company-table td { padding-top: 6px; }
  .form-panel { padding: 22px 18px; }
  .footer__links { flex-direction: column; gap: 9px; }
  .logo { width: 148px; height: 48px; flex-basis: 148px; }
}

@media (max-width: 340px) {
  .hero h1 { font-size: 1.75rem; }
}