:root { --ink: #163f40; --muted: #4a6766; --leaf: #236754; --mist: #effaf8; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: #fff; color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif; font-size: 16px; line-height: 1.85; letter-spacing: 0; }
img, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
a, button, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #e6b853; outline-offset: 5px; }
figure, p, h1, h2, h3 { margin: 0; }
h1, h2, h3 { line-height: 1.4; overflow-wrap: anywhere; }
h2 { font-size: 36px; font-weight: 750; }
h3 { font-size: 21px; }
.inner { width: min(1120px, calc(100% - 80px)); margin-inline: auto; }
.band { padding-block: 88px; }
.eyebrow { font-size: 12px; font-weight: 750; margin-bottom: 14px; }
.lead { color: var(--muted); font-size: 17px; margin-top: 24px; }
.caption { color: var(--muted); font-size: 12px; margin-top: 20px; }
.site-header { position: sticky; top: 0; z-index: 10; height: 72px; padding: 12px 32px; display: flex; gap: 24px; align-items: center; justify-content: space-between; border-bottom: 1px solid #dbe8e2; background: #fff; }
.brand img { width: 152px; height: 43px; object-fit: contain; }
.site-header nav { display: flex; gap: 28px; margin-left: auto; font-size: 14px; }
.header-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; font-weight: 700; min-height: 46px; padding: 10px 20px; border-radius: 6px; background: #d8f3e3; color: #174d3e; }
.header-cta { font-size: 14px; }
.hero { position: relative; height: min(780px, calc(100svh - 138px)); min-height: 550px; isolation: isolate; }
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; z-index: -2; }
.hero::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(10,56,55,.72), rgba(10,56,55,.16) 47%, transparent 70%); }
.hero-copy { width: min(1280px, calc(100% - 112px)); margin: auto; padding-top: 76px; color: white; text-shadow: 0 1px 12px #174e5166; }
.hero h1 { font-family: "Hiragino Mincho ProN", "Yu Mincho", serif; font-size: 52px; font-weight: 700; }
.hero-lead { margin-top: 24px; font-size: 32px; line-height: 1.5; font-weight: 650; }
.hero-detail { font-size: 16px; margin-top: 22px; }
.hero .button { margin-top: 30px; background: white; text-shadow: none; }
.hero-caption { position: absolute; right: 24px; bottom: 14px; color: white; font-size: 11px; text-shadow: 0 1px 5px #163f40; }
.intro { text-align: center; padding-bottom: 40px; }
.gallery { padding-top: 40px; }
.section-heading { margin-bottom: 38px; text-align: center; }
.screen-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 40px; }
.screen-grid figure > img { width: 100%; height: auto; aspect-ratio: 720 / 1562; object-fit: contain; border-radius: 8px; box-shadow: 0 8px 32px #163f4018; background: var(--mist); }
.screen-grid figcaption { padding-top: 26px; }
.overline { color: var(--leaf); font-size: 13px; font-weight: 700; }
.screen-grid h3 { margin-top: 8px; }
.screen-grid p { color: var(--muted); font-size: 15px; margin-top: 12px; }
.gallery > .inner > .caption { text-align: center; margin-top: 28px; }
.seascape { position: relative; isolation: isolate; min-height: 660px; display: flex; align-items: flex-end; padding: 48px 40px; color: white; }
.seascape > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.seascape::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(transparent 30%, #103f3bbd); }
.seascape-copy { width: min(1120px, 100%); margin: auto auto 0; text-shadow: 0 1px 10px #124d4266; }
.seascape p:not(.eyebrow) { margin-top: 18px; }
.small { font-size: 13px; }
.daily-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px; list-style: none; padding: 0; margin-top: 40px; }
.daily-grid li { border-top: 1px solid #a9cabe; padding-top: 20px; }
.step-number { color: var(--leaf); font-family: Georgia,serif; font-size: 30px; }
.daily-grid h3 { margin: 10px 0 12px; }
.daily-grid p { color: var(--muted); font-size: 15px; }
.treasure-band { background: var(--mist); }
.treasure-layout { display: grid; grid-template-columns: 1.3fr .7fr; gap: 90px; align-items: center; }
.pearl-detail { width: 300px; max-width: 100%; justify-self: center; }
.pearl-detail img { border-radius: 8px; box-shadow: 0 10px 32px #1b5c4218; }
.pearl-meanings { margin: 30px 0 0; }
.pearl-meanings > div { padding: 18px 0; border-top: 1px solid #bedad1; }
.pearl-meanings dt { font-size: 18px; font-weight: 700; }
.pearl-meanings dt span { font-size: 13px; margin-left: 14px; color: #687568; }
.pearl-meanings dd { margin: 6px 0 0; font-size: 14px; color: var(--muted); }
.time-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; margin-top: 36px; }
.time-grid img { width: 100%; height: auto; aspect-ratio: 8/5; object-fit: cover; }
.time-grid figcaption { font-size: 14px; margin-top: 12px; }
.guide-band { background: #f8f8f5; }
.guide-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.guide-video { width: 320px; max-width: 100%; justify-self: center; }
.guide-video video { width: 100%; aspect-ratio: 9/16; border-radius: 8px; background: #d9eee5; }
.text-link { display: inline-flex; gap: 16px; margin-top: 26px; padding-bottom: 3px; border-bottom: 1px solid currentColor; font-weight: 700; }
.narrow { max-width: 820px; }
.faq h2 { margin-bottom: 30px; }
details { border-bottom: 1px solid #d4e1d9; }
summary { padding: 22px 4px; cursor: pointer; font-size: 17px; font-weight: 650; }
details p { padding: 0 4px 24px; color: var(--muted); font-size: 15px; }
.download { text-align: center; background: #e1f4ed; }
.store-row { display: grid; grid-template-columns: repeat(2, minmax(0, 180px)); gap: 12px; width: min(372px, 100%); margin: 28px auto 0; }
.store-link { display: block; width: 100%; aspect-ratio: 18/7; border-radius: 6px; }
.store-link img { width: 100%; height: 100%; object-fit: contain; }
.download-strip { padding-block: 28px; background: var(--mist); border-bottom: 1px solid #dbe8e2; }
.download-strip .inner, .gallery-download { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.download-strip h2 { font-size: 23px; }
.download-strip p, .gallery-download p { font-size: 14px; color: var(--muted); margin-top: 4px; }
.download-strip .caption { margin-top: 4px; font-size: 12px; }
.download-strip .store-row, .gallery-download .store-row { flex: 0 0 372px; margin: 0; }
.gallery-download { border-top: 1px solid #c5ded4; margin-top: 40px; padding-top: 30px; }
.guide-download { margin-top: 32px; }
.guide-download p { font-size: 14px; font-weight: 700; }
.guide-download .store-row { margin: 10px 0 0; }
footer { padding: 30px 0; font-size: 13px; }
footer .inner { display: flex; flex-wrap: wrap; gap: 24px; }
footer span { margin-left: auto; color: var(--muted); }
@media (min-width: 1600px) { .hero-copy { padding-top: 110px; } }
@media (max-width: 1000px) {
  .inner { width: calc(100% - 48px); }
  .screen-grid { gap: 24px; }
  .treasure-layout { gap: 40px; }
  .hero-copy { width: calc(100% - 64px); }
  .hero h1 { font-size: 44px; }
}
@media (max-width: 700px) {
  .site-header { height: 64px; padding: 10px 16px; gap: 10px; }
  .site-header nav { display: none; }
  .brand img { width: 136px; height: 38px; }
  .header-cta { padding: 8px 12px; font-size: 12px; min-height: 40px; }
  .inner { width: calc(100% - 40px); }
  .band { padding-block: 54px; }
  h2 { font-size: 27px; } h3 { font-size: 20px; }
  .eyebrow { font-size: 10px; margin-bottom: 12px; }
  .lead { font-size: 15px; margin-top: 18px; }
  .hero { height: calc(100svh - 148px); min-height: 400px; max-height: 760px; }
  .hero-image { object-position: 54% center; }
  .hero::after { background: linear-gradient(#133d3c82, transparent 49%, #163f4040); }
  .hero-copy { width: calc(100% - 40px); padding-top: 32px; }
  .hero h1 { font-size: 36px; }
  .hero-lead { font-size: 24px; margin-top: 12px; }
  .hero-detail { display: none; }
  .hero .button { position: absolute; left: 20px; bottom: 48px; margin: 0; font-size: 13px; padding: 8px 14px; }
  .hero-caption { right: 16px; bottom: 10px; font-size: 10px; }
  .intro { text-align: left; padding-bottom: 26px; }
  .gallery { padding-top: 26px; }
  .section-heading { text-align: left; margin-bottom: 32px; }
  .desktop { display: none; }
  .screen-grid { grid-template-columns: 1fr; gap: 44px; }
  .screen-grid figure { display: flex; flex-direction: column; }
  .screen-grid figure > img { width: min(280px, 100%); align-self: center; }
  .screen-grid figcaption { padding-top: 22px; }
  .screen-grid h3 { margin-top: 6px; }
  .seascape { min-height: 650px; padding: 30px 20px; }
  .seascape > img { object-position: 55% center; }
  .seascape h2 { font-size: 28px; }
  .seascape p:not(.eyebrow) { font-size: 14px; }
  .seascape .small { font-size: 12px !important; }
  .daily-grid { grid-template-columns: 1fr; gap: 20px; margin-top: 28px; }
  .treasure-layout, .guide-layout { grid-template-columns: 1fr; gap: 32px; }
  .pearl-detail { width: 260px; }
  .pearl-meanings dt { font-size: 16px; }
  .pearl-meanings dt span { display: inline-block; }
  .time-grid { grid-template-columns: 1fr; }
  .guide-video { width: 280px; }
  .store-row { gap: 8px; }
  .download-strip { padding-block: 22px; }
  .download-strip .inner, .gallery-download { flex-direction: column; align-items: flex-start; gap: 16px; }
  .download-strip h2 { font-size: 21px; }
  .download-strip .store-row, .gallery-download .store-row { flex: none; margin-inline: auto; }
  .guide-download .store-row { margin-inline: auto; }
  footer .inner { gap: 12px 20px; }
  footer span { width: 100%; margin-left: 0; }
}
@media (max-width: 359px) { .hero h1 { font-size: 31px; } h2 { font-size: 24px; } }
@media (max-width: 700px) and (max-height: 650px) {
  .hero-copy { padding-top: 18px; }
  .hero-copy .eyebrow { margin-bottom: 5px; }
  .hero h1 { font-size: 30px; }
  .hero-lead { font-size: 17px; line-height: 1.45; margin-top: 8px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }