:root {
  color-scheme: light;
  --canvas: #f6f7f1;
  --surface: #ffffff;
  --surface-warm: #f2eee5;
  --ink: #172019;
  --muted: #5d695f;
  --line: #dce3da;
  --green: #326b38;
  --green-strong: #1f4f2a;
  --green-pale: #edf5e9;
  --dark: #0b120d;
  --cream: #f7f3e9;
  --focus: #0b63ce;
  --content: 1180px;
  --reading: 720px;
  --shadow: 0 22px 60px rgb(23 32 25 / 9%);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: 84px; }
body { min-width: 320px; margin: 0; overflow-x: clip; background: var(--canvas); color: var(--ink); font-size: 16px; line-height: 1.75; text-rendering: optimizeLegibility; }
img { display: block; max-width: 100%; }
a { color: inherit; text-underline-offset: 0.2em; }
h1, h2, h3 { line-break: strict; overflow-wrap: anywhere; word-break: normal; }
html[lang="ja"] h1, html[lang="ja"] h2 { word-break: auto-phrase; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }

.skip-link { position: fixed; z-index: 100; top: 1rem; left: 1rem; padding: 0.65rem 1rem; background: var(--ink); color: white; transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.section-shell { width: min(calc(100% - 3rem), var(--content)); margin-inline: auto; }

.site-header { position: sticky; z-index: 30; top: 0; border-bottom: 1px solid rgb(23 32 25 / 9%); background: rgb(246 247 241 / 94%); backdrop-filter: blur(14px); }
.header-inner { width: min(calc(100% - 3rem), var(--content)); min-height: 72px; margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand, .footer-brand { display: inline-flex; align-items: center; gap: 0.7rem; font-size: 1.18rem; font-weight: 800; letter-spacing: -0.02em; }
.brand { text-decoration: none; }
.brand img, .footer-brand img { border-radius: 12px; }
.desktop-nav { display: flex; margin-left: auto; align-items: center; gap: 1.8rem; color: #435047; font-size: 0.92rem; font-weight: 650; }
.desktop-nav a { text-decoration: none; }
.desktop-nav a:hover { color: var(--green-strong); }
.mobile-nav { display: none; position: relative; }
.mobile-nav summary { min-height: 44px; display: inline-flex; align-items: center; list-style: none; cursor: pointer; font-size: 0.9rem; font-weight: 750; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav nav { position: absolute; top: calc(100% + 0.65rem); right: 0; width: min(76vw, 260px); padding: 0.55rem; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); box-shadow: var(--shadow); }
.mobile-nav nav a { min-height: 44px; display: flex; align-items: center; padding-inline: 0.8rem; border-radius: 10px; text-decoration: none; font-weight: 650; }
.mobile-nav nav a:hover { background: var(--green-pale); }

.eyebrow { margin: 0 0 1rem; color: var(--green); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; }
.hero h1, .section h2, .trust-band h2, .download-section h2 { margin: 0; font-weight: 780; letter-spacing: -0.045em; text-wrap: balance; }
.hero { min-height: calc(100svh - 72px); display: grid; grid-template-columns: minmax(0, 0.94fr) minmax(340px, 1.06fr); align-items: center; gap: clamp(3rem, 7vw, 7rem); padding-block: clamp(4rem, 8vw, 7rem); }
.hero-copy { position: relative; z-index: 2; min-width: 0; }
.hero h1 { max-width: 9em; font-size: clamp(3.3rem, 5.4vw, 5rem); line-height: 1.08; }
.hero-lead { max-width: 35rem; margin: 1.8rem 0 0; color: var(--muted); font-size: clamp(1.05rem, 1.5vw, 1.2rem); line-height: 1.9; }
.hero-trust { margin: 0.85rem 0 0; color: #435047; font-size: 0.92rem; }
.store-badges { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.store-badge { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }
.store-badge-apple img { width: 109px; height: 40px; }
.store-badge-google, .store-badge-google img { width: 128px; height: 50px; }
.store-badge:hover { transform: translateY(-1px); }

.hero-visual { position: relative; min-height: 540px; }
.hero-orbit { position: absolute; border: 1px solid rgb(50 107 56 / 18%); border-radius: 50%; }
.hero-orbit-a { width: 410px; height: 410px; right: 0; top: 4%; }
.hero-orbit-b { width: 270px; height: 270px; right: 17%; top: 17%; }
.hero-dot { position: absolute; width: 16px; height: 16px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 10px rgb(50 107 56 / 9%); }
.hero-dot-a { right: 14%; top: 19%; }
.hero-dot-b { right: 48%; top: 41%; width: 12px; height: 12px; }
.hero-dot-c { right: 28%; top: 70%; width: 10px; height: 10px; }
.hero-visual::after { content: ""; position: absolute; right: 11%; top: 10%; width: 62%; aspect-ratio: 1; border-radius: 44% 56% 52% 48% / 49% 44% 56% 51%; background: radial-gradient(circle at 34% 32%, rgb(255 255 255 / 82%), transparent 28%), linear-gradient(145deg, #e7efdf, #dce8d3); z-index: -1; }

.section { padding-block: 7rem; }
.section h2, .trust-band h2, .download-section h2 { max-width: 12em; font-size: clamp(2.35rem, 4.8vw, 4.1rem); line-height: 1.16; }
.section-lead { max-width: 43rem; margin: 1.5rem 0 0; color: var(--muted); font-size: 1.05rem; line-height: 1.9; }

.identify-layout { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); align-items: start; gap: clamp(4rem, 9vw, 8rem); }
.identify-layout .section-copy { padding-top: 0.35rem; }
.experience-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.experience-list li { display: grid; grid-template-columns: 52px 1fr; gap: 1rem; padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.experience-list li > span { padding-top: 0.15rem; color: var(--green); font-size: 0.78rem; font-weight: 800; }
.experience-list h3 { margin: 0; font-size: 1.08rem; }
.experience-list p { margin: 0.45rem 0 0; color: var(--muted); font-size: 0.95rem; }

.section-collect { overflow: hidden; background: var(--dark); color: var(--cream); }
.section-collect .eyebrow { color: #a8c9a9; }
.section-collect .section-lead { color: #c7d2c8; }
.collect-layout { min-height: 760px; display: grid; grid-template-columns: minmax(0, 0.78fr) minmax(380px, 1.22fr); align-items: center; gap: clamp(2rem, 6vw, 6rem); }
.collect-copy { position: relative; z-index: 2; }
.collect-copy h2 { max-width: 10em; }
.seasonal-visual { align-self: stretch; margin: -7rem -5rem -7rem 0; display: flex; align-items: center; justify-content: flex-end; overflow: hidden; }
.seasonal-visual img { width: min(100%, 680px); height: 100%; object-fit: contain; object-position: right center; }

.section-map { background: var(--green-pale); }
.map-layout { display: grid; grid-template-columns: minmax(300px, 0.75fr) minmax(0, 1fr); align-items: center; gap: clamp(4rem, 8vw, 8rem); }
.map-copy { order: 2; }
.map-copy h2 { max-width: 9em; }
.map-mark { position: relative; min-height: 420px; }
.map-ring { position: absolute; border: 1px solid rgb(50 107 56 / 20%); border-radius: 50%; }
.map-ring-a { width: 360px; height: 360px; left: 4%; top: 5%; }
.map-ring-b { width: 230px; height: 230px; left: 18%; top: 20%; }
.map-pin { position: absolute; left: 42%; top: 35%; width: 48px; height: 48px; border-radius: 50% 50% 50% 0; background: var(--green); transform: rotate(-45deg); box-shadow: 0 18px 40px rgb(50 107 56 / 25%); }
.map-pin::after { content: ""; position: absolute; inset: 13px; border-radius: 50%; background: var(--green-pale); }

.trust-band { padding-block: 7rem; background: var(--green-strong); color: #f5f7f2; }
.trust-band .eyebrow { color: #b8d2b8; }
.trust-layout { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(3rem, 8vw, 8rem); align-items: start; }
.trust-copy { max-width: var(--reading); color: #e2ece2; font-size: 1rem; }
.trust-point { padding-block: 1.2rem; border-top: 1px solid rgb(228 237 227 / 22%); }
.trust-point:first-child { padding-top: 0; border-top: 0; }
.trust-point h3 { margin: 0; color: #fff; font-size: 1.05rem; }
.trust-point p { margin: 0.45rem 0 0; }
.trust-note { margin: 1rem 0 0; color: #bcd0be; font-size: 0.86rem; }

.download-section { padding-block: 7rem; }
.download-layout { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4rem; align-items: end; }
.download-section h2 { max-width: 10em; }
.store-badges-bottom { justify-content: flex-end; margin-top: 0; }

.site-footer { border-top: 1px solid var(--line); background: #eef1e9; }
.footer-layout { min-height: 170px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 2rem; }
.footer-layout nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.8rem 1.5rem; color: var(--muted); font-size: 0.88rem; }
.footer-layout nav a { text-decoration: none; }
.footer-layout nav a:hover { text-decoration: underline; }
.footer-layout > p { margin: 0; color: var(--muted); font-size: 0.82rem; }

@media (max-width: 920px) {
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 2rem; padding-block: 4.5rem 5rem; }
  .hero-visual { display: none; }
  .identify-layout, .map-layout, .trust-layout, .download-layout { grid-template-columns: 1fr; }
  .map-copy { order: 1; }
  .map-mark { order: 2; min-height: 300px; }
  .collect-layout { min-height: 0; grid-template-columns: 1fr; gap: 2rem; }
  .seasonal-visual { margin: 0 -2rem -7rem; min-height: 560px; justify-content: center; }
  .seasonal-visual img { width: min(100%, 620px); object-position: center bottom; }
  .store-badges-bottom { justify-content: flex-start; }
  .footer-layout { grid-template-columns: 1fr; padding-block: 2.5rem; }
  .footer-layout nav { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .section-shell, .header-inner { width: min(calc(100% - 2rem), var(--content)); }
  .header-inner { min-height: 64px; }
  html { scroll-padding-top: 76px; }
  .brand img { width: 34px; height: 34px; }
  .hero { gap: 1.5rem; padding-block: 2.5rem 3.75rem; }
  .hero h1 { max-width: 10em; font-size: clamp(2.15rem, 9.5vw, 2.65rem); line-height: 1.18; }
  .hero-lead { margin-top: 1.15rem; font-size: 0.98rem; line-height: 1.8; }
  .hero-trust { margin-top: 0.7rem; font-size: 0.85rem; }
  .store-badges { gap: 10px; margin-top: 18px; }
  .store-badge-apple img { width: 109px; height: 40px; }
  .store-badge-google, .store-badge-google img { width: 128px; height: 50px; }
  .section, .trust-band, .download-section { padding-block: 4.5rem; }
  .section h2, .trust-band h2, .download-section h2 { max-width: none; font-size: clamp(1.95rem, 8.4vw, 2.35rem); line-height: 1.28; }
  .section-lead { margin-top: 1rem; font-size: 0.96rem; line-height: 1.82; }
  .identify-layout { gap: 2.25rem; }
  .experience-list li { grid-template-columns: 40px 1fr; gap: 0.65rem; padding: 1.25rem 0; }
  .experience-list p { font-size: 0.92rem; }
  .collect-layout { gap: 1rem; }
  .section-collect { padding-bottom: 0; }
  .seasonal-visual { margin: 0 -1rem; min-height: 500px; }
  .seasonal-visual img { width: 100%; height: auto; object-fit: contain; }
  .map-mark { min-height: 230px; }
  .map-ring-a { width: 220px; height: 220px; left: calc(50% - 110px); top: 0; }
  .map-ring-b { width: 140px; height: 140px; left: calc(50% - 70px); top: 40px; }
  .map-pin { left: calc(50% - 24px); top: 70px; }
  .trust-layout { gap: 2rem; }
  .trust-point { padding-block: 1rem; }
  .download-layout { gap: 1.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .store-badge { transition: none; }
}
