:root {
  --navy: #17364d;
  --ink: #1f2933;
  --muted: #64707d;
  --line: #dde6ea;
  --white: #ffffff;
  --mist: #eef7f7;
  --mint: #cde7e4;
  --gold: #d89a32;
  --coral: #d97757;
  --shadow: 0 24px 70px rgba(23, 54, 77, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--white);
  line-height: 1.8;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 32px;
  width: 100%;
  padding: 18px clamp(18px, 4vw, 56px);
  color: var(--white);
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
}

.site-header.is-scrolled {
  padding-top: 12px;
  padding-bottom: 12px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 40px rgba(23, 54, 77, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--navy);
  font-weight: 800;
  background: var(--white);
  border-radius: 50%;
}

.site-header.is-scrolled .brand-mark {
  color: var(--white);
  background: var(--navy);
}

.brand-name,
.brand-sub {
  display: block;
  line-height: 1.2;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 800;
}

.brand-sub {
  margin-top: 2px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.78;
}

.nav-links {
  display: flex;
  gap: 24px;
  margin-left: auto;
  font-size: 0.9rem;
  font-weight: 600;
}

.nav-links a {
  opacity: 0.86;
}

.nav-links a:hover {
  opacity: 1;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  color: var(--navy);
  font-size: 0.9rem;
  font-weight: 800;
  background: var(--gold);
  border-radius: 999px;
  box-shadow: 0 14px 34px rgba(216, 154, 50, 0.26);
}

.hero {
  position: relative;
  display: grid;
  min-height: 92svh;
  overflow: hidden;
  color: var(--white);
}

.hero picture,
.hero-image,
.hero-scrim,
.hero-content {
  grid-area: 1 / 1;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.hero-scrim {
  background:
    linear-gradient(90deg, rgba(9, 31, 45, 0.86), rgba(9, 31, 45, 0.46) 45%, rgba(9, 31, 45, 0.12)),
    linear-gradient(0deg, rgba(9, 31, 45, 0.72), transparent 42%);
}

.hero-content {
  z-index: 2;
  align-self: end;
  width: min(760px, calc(100% - 40px));
  margin: 0 0 clamp(42px, 8vw, 96px) clamp(20px, 7vw, 92px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(2.45rem, 5vw, 5.8rem);
  font-weight: 800;
  line-height: 1.08;
}

.hero-copy {
  max-width: 620px;
  margin: 24px 0 0;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
}

.hero-actions,
.reserve-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  font-weight: 800;
  border: 1px solid transparent;
  border-radius: 999px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: var(--white);
  background: var(--navy);
  box-shadow: var(--shadow);
}

.hero .button.primary {
  color: var(--navy);
  background: var(--white);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.58);
  background: rgba(255, 255, 255, 0.12);
}

.button.full {
  width: 100%;
  margin-top: 18px;
}

.button.light {
  color: var(--navy);
  background: var(--white);
}

.button.secondary.light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.55);
  background: transparent;
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-points span {
  padding: 8px 14px;
  font-size: 0.86rem;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  backdrop-filter: blur(10px);
}

.section {
  padding: clamp(72px, 10vw, 128px) 0;
}

.section-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.intro {
  background: linear-gradient(180deg, #ffffff, var(--mist));
}

.intro-grid,
.split-grid,
.price-grid,
.faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: center;
}

.intro h2,
.section-heading h2,
.split-copy h2,
.price-copy h2,
.reserve h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2rem, 3.2vw, 3.4rem);
  line-height: 1.2;
}

.intro p,
.section-heading p,
.split-copy p,
.price-copy p,
.reserve p {
  margin: 22px 0 0;
  color: var(--muted);
}

.intro-card,
.feature-card,
.price-panel,
.flow-list li,
.accordion details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 60px rgba(23, 54, 77, 0.08);
}

.intro-card {
  padding: clamp(28px, 4vw, 42px);
}

.card-label {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--coral);
  font-weight: 800;
}

.intro-card strong {
  display: block;
  color: var(--navy);
  font-size: 1.5rem;
  line-height: 1.4;
}

.intro-card p {
  margin-top: 16px;
}

.section-heading {
  max-width: 720px;
  margin: 0 auto 46px;
  text-align: center;
}

.section-heading.align-left {
  margin: 0;
  text-align: left;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  min-height: 270px;
  padding: 30px;
}

.feature-number {
  color: var(--gold);
  font-size: 0.85rem;
  font-weight: 800;
}

.feature-card h3,
.flow-list h3 {
  margin: 18px 0 10px;
  color: var(--navy);
  font-size: 1.25rem;
}

.feature-card p,
.flow-list p,
.accordion p {
  margin: 0;
  color: var(--muted);
}

.split-section {
  background: #f7fbfb;
}

.photo-stack {
  position: relative;
  min-height: 520px;
}

.photo-stack img {
  position: absolute;
  width: 72%;
  height: 390px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.photo-stack img:first-child {
  top: 0;
  left: 0;
}

.photo-stack img:last-child {
  right: 0;
  bottom: 0;
  border: 10px solid var(--white);
}

.check-list {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--ink);
  font-weight: 600;
}

.check-list li::before {
  position: absolute;
  top: 0.28em;
  left: 0;
  width: 18px;
  height: 18px;
  content: "";
  background: radial-gradient(circle at 50% 50%, var(--navy) 0 38%, var(--mint) 40% 100%);
  border-radius: 50%;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.flow-list li {
  min-height: 260px;
  padding: 28px;
}

.flow-list span {
  color: var(--coral);
  font-size: 0.82rem;
  font-weight: 800;
}

.price {
  background: linear-gradient(180deg, var(--mist), #ffffff);
}

.price-grid {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 430px);
}

.price-panel {
  padding: 32px;
}

.price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.price-row:first-child {
  padding-top: 0;
}

.price-row span {
  color: var(--muted);
  font-weight: 700;
}

.price-row strong {
  color: var(--navy);
  font-size: 1.16rem;
}

.faq-grid {
  grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.15fr);
  align-items: start;
}

.accordion {
  display: grid;
  gap: 12px;
}

.accordion details {
  padding: 0 22px;
}

.accordion summary {
  cursor: pointer;
  padding: 20px 0;
  color: var(--navy);
  font-weight: 800;
}

.accordion summary::marker {
  color: var(--gold);
}

.accordion p {
  padding-bottom: 22px;
}

.reserve {
  padding: clamp(84px, 12vw, 140px) 20px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(23, 54, 77, 0.92), rgba(23, 54, 77, 0.66)),
    url("https://pub-501fd610f90f41928060bb113f3b02b6.r2.dev/u/dev-persona-advance-active/lp/8c8debfa-7cb0-42bb-866e-91d06ff32996/1781286927035-ed621496-089-unsplash-yiitno2bgdo.jpg") center 38% / cover;
}

.reserve-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 1.12fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.reserve h2,
.reserve p {
  color: var(--white);
}

.reserve-form {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 4vw, 34px);
  color: var(--ink);
  text-align: left;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 8px;
  box-shadow: 0 24px 70px rgba(7, 24, 35, 0.24);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.reserve-form label {
  display: grid;
  gap: 7px;
}

.reserve-form span {
  color: var(--navy);
  font-size: 0.88rem;
  font-weight: 800;
}

.reserve-form input,
.reserve-form select,
.reserve-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  color: var(--ink);
  font: inherit;
  background: #ffffff;
  border: 1px solid #cfdde2;
  border-radius: 8px;
  outline: none;
}

.reserve-form textarea {
  resize: vertical;
}

.reserve-form input:focus,
.reserve-form select:focus,
.reserve-form textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(216, 154, 50, 0.16);
}

.reserve-form .button {
  width: 100%;
  border: none;
  cursor: pointer;
}

.reserve-form .button.primary.light {
  color: var(--white);
  background: var(--navy);
}

.form-note,
.form-status {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.reserve .form-note,
.reserve .form-status {
  color: var(--muted);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px clamp(20px, 5vw, 64px);
  color: var(--white);
  background: #102b3f;
}

.site-footer strong {
  display: block;
}

.site-footer p {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.82rem;
}

.site-footer a {
  font-weight: 800;
  color: var(--gold);
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .site-header,
  .button,
  .reveal {
    transition: none;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 900px) {
  .site-header {
    gap: 16px;
  }

  .nav-links {
    display: none;
  }

  .brand {
    min-width: auto;
  }

  .intro-grid,
  .split-grid,
  .price-grid,
  .faq-grid,
  .reserve-inner,
  .feature-grid,
  .flow-list {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .flow-list li {
    min-height: auto;
  }

  .photo-stack {
    min-height: 420px;
  }

  .photo-stack img {
    height: 300px;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 12px 14px;
  }

  .brand-sub {
    display: none;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 14px;
    font-size: 0.78rem;
  }

  .hero {
    min-height: 88svh;
  }

  .hero-scrim {
    background:
      linear-gradient(180deg, rgba(9, 31, 45, 0.18), rgba(9, 31, 45, 0.9)),
      linear-gradient(90deg, rgba(9, 31, 45, 0.46), rgba(9, 31, 45, 0.12));
  }

  .hero-content {
    width: calc(100% - 32px);
    margin: 0 16px 36px;
  }

  .hero h1 {
    font-size: 2.55rem;
  }

  .hero-actions,
  .reserve-actions {
    display: grid;
  }

  .button {
    width: 100%;
    min-height: 52px;
    padding: 0 18px;
    font-size: 0.95rem;
  }

  .section-inner {
    width: calc(100% - 32px);
  }

  .intro h2,
  .section-heading h2,
  .split-copy h2,
  .price-copy h2,
  .reserve h2 {
    font-size: 2rem;
  }

  .photo-stack {
    min-height: 360px;
  }

  .photo-stack img {
    width: 78%;
    height: 250px;
  }

  .intro-card,
  .feature-card,
  .price-panel,
  .flow-list li {
    padding: 24px;
  }

  .site-footer {
    display: grid;
  }

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