:root {
  --ink: #1c2418;
  --ink-soft: #3d4738;
  --muted: #6c7466;
  --line: #d8d2c4;
  --paper: #f4efe4;
  --paper-2: #efe8d8;
  --white: #fffdf8;
  --leaf: #2f4a36;
  --leaf-2: #3f6248;
  --persimmon: #c45c26;
  --persimmon-2: #a74b1d;
  --sand: #e8dcc4;
  --ok: #2f6b45;
  --err: #a33b2b;
  --shadow: 0 18px 50px rgba(28, 36, 24, 0.08);
  --radius: 18px;
  --max: 1120px;
  --font: "IBM Plex Sans JP", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --display: "Shippori Mincho", "Hiragino Mincho ProN", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% -10%, #f8f1de 0, transparent 32%),
    radial-gradient(circle at 90% 8%, #e7efe4 0, transparent 28%),
    var(--paper);
  font-family: var(--font);
  line-height: 1.7;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

.wrap {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(244, 239, 228, 0.86);
  border-bottom: 1px solid rgba(216, 210, 196, 0.8);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.logo-mark {
  width: 34px;
  height: 34px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.nav a:hover,
.nav a.is-current {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--white);
  width: 42px;
  height: 42px;
  border-radius: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
}

.btn-solid {
  background: var(--leaf);
  color: var(--white);
}

.btn-solid:hover {
  background: var(--leaf-2);
}

.btn-accent {
  background: var(--persimmon);
  color: #fff;
}

.btn-accent:hover {
  background: var(--persimmon-2);
}

.btn-full {
  width: 100%;
}

.hero {
  padding: 72px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.kicker {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--muted);
}

h1, h2, h3, .display {
  font-family: var(--display);
  letter-spacing: 0.02em;
  line-height: 1.35;
}

h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.6rem);
  margin: 18px 0 16px;
  font-weight: 600;
}

.lede {
  font-size: 1.08rem;
  color: var(--ink-soft);
  max-width: 38rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 18px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.9rem;
}

.panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 22px;
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.pill {
  background: var(--sand);
  color: var(--leaf);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 600;
}

.booking {
  display: grid;
  gap: 10px;
}

.booking-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fbf8f1;
}

.booking-item strong {
  display: block;
}

.booking-item span {
  color: var(--muted);
  font-size: 0.86rem;
}

.section {
  padding: 72px 0;
}

.section-head {
  max-width: 640px;
  margin-bottom: 36px;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  margin: 10px 0;
}

.grid-3,
.grid-2 {
  display: grid;
  gap: 18px;
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
}

.card {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.card h3 {
  margin: 8px 0 10px;
  font-size: 1.2rem;
}

.icon-dot {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--paper-2);
  color: var(--leaf);
  font-weight: 700;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}

.quote {
  font-size: 1.15rem;
  margin: 0 0 16px;
}

.person {
  color: var(--muted);
  font-size: 0.92rem;
}

.pricing {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.price-card {
  padding: 28px;
  border-radius: 24px;
  border: 1px solid var(--line);
  background: var(--white);
}

.price-card.featured {
  background: var(--leaf);
  color: var(--white);
  border-color: var(--leaf);
  transform: translateY(-8px);
}

.price {
  font-family: var(--display);
  font-size: 2.2rem;
  margin: 12px 0;
}

.price small {
  font-size: 0.95rem;
  font-family: var(--font);
}

.price-card ul {
  padding-left: 18px;
  color: inherit;
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item button {
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  font: inherit;
  font-weight: 600;
  padding: 18px 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
}

.faq-item p {
  display: none;
  margin: 0 0 18px;
  color: var(--ink-soft);
}

.faq-item.is-open p {
  display: block;
}

.cta-band {
  background: var(--ink);
  color: var(--paper);
  border-radius: 28px;
  padding: 42px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.site-footer {
  margin-top: 60px;
  padding: 42px 0 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.footer-grid a {
  display: block;
  text-decoration: none;
  margin: 6px 0;
}

.legal {
  font-size: 0.86rem;
}

.auth-page {
  min-height: calc(100vh - 72px);
  display: grid;
  place-items: center;
  padding: 40px 0 80px;
}

.auth-card {
  width: min(100%, 460px);
  padding: 36px;
}

.auth-card h1 {
  font-size: 1.9rem;
  margin-bottom: 8px;
}

.field {
  margin: 14px 0;
}

.field label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  min-height: 46px;
  padding: 10px 12px;
  font: inherit;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid #b7cbb8;
  border-color: var(--leaf);
}

.field-error,
.form-error {
  color: var(--err);
  font-size: 0.85rem;
  min-height: 1.1em;
}

.form-error {
  background: #f8e8e4;
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 10px;
}

.form-error[hidden],
.field-error:empty {
  display: none;
}

.check {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  font-size: 0.9rem;
}

.auth-switch {
  text-align: center;
  margin-top: 18px;
  color: var(--muted);
}

.page-hero {
  padding: 56px 0 20px;
}

.page-hero h1 {
  font-size: clamp(1.9rem, 3.4vw, 2.8rem);
}

.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: calc(100vh - 72px);
}

.sidebar {
  background: var(--ink);
  color: #efe8d8;
  padding: 22px 16px;
}

.sidebar a {
  display: block;
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 10px;
  color: #d7d0c0;
  margin-bottom: 4px;
}

.sidebar a.is-active,
.sidebar a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.app-main {
  padding: 28px;
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 22px 0;
}

.stat {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
}

.stat b {
  display: block;
  font-size: 1.6rem;
  font-family: var(--display);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

.status {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: #e3efe4;
  color: var(--ok);
  font-size: 0.78rem;
}

.prose {
  max-width: 760px;
}

.prose h2 {
  margin-top: 36px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
}

.success-box {
  padding: 28px;
  background: #e9f3ea;
  border-radius: 18px;
}

@media (max-width: 900px) {
  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .nav {
    display: none;
    position: absolute;
    left: 20px;
    right: 20px;
    top: 72px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
  }

  .nav.is-open {
    display: flex;
  }

  .hero-grid,
  .split,
  .grid-3,
  .grid-2,
  .pricing,
  .footer-grid,
  .app-shell,
  .stat-row,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .price-card.featured,
  .cta-band {
    transform: none;
    flex-direction: column;
    align-items: flex-start;
  }

  .app-main {
    padding: 18px;
  }

  .product-grid,
  .info-row {
    grid-template-columns: 1fr;
  }
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.product {
  overflow: hidden;
  padding: 0;
}

.product a {
  text-decoration: none;
  display: block;
}

.product-photo {
  height: 220px;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 1.4rem;
  color: var(--white);
}

.product-body {
  padding: 18px 20px 22px;
}

.product-body h3 {
  margin: 0 0 6px;
  font-size: 1.12rem;
}

.yen {
  font-weight: 600;
  color: var(--leaf);
}

.info-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.account-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 24px;
}