:root {
  color-scheme: light;
  --ink: #132c25;
  --ink-soft: #365149;
  --green: #174c3d;
  --green-2: #0f3a2f;
  --cream: #f7f0df;
  --paper: #fffdf6;
  --line: #d9cfb9;
  --orange: #ef7f4d;
  --gold: #c6a65b;
  --shadow: 0 22px 60px rgba(19, 44, 37, .14);
  --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0, rgba(198, 166, 91, .16), transparent 28rem),
    var(--cream);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}
body.en { font-family: Inter, ui-sans-serif, system-ui, sans-serif; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 12px; top: -80px; z-index: 20; padding: 10px 14px; background: #fff; border-radius: 8px; }
.skip-link:focus { top: 12px; }
.wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }

.site-header {
  position: sticky; top: 0; z-index: 10;
  border-bottom: 1px solid rgba(217, 207, 185, .85);
  background: rgba(247, 240, 223, .9);
  backdrop-filter: blur(16px);
}
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 800; letter-spacing: -.03em; }
.brand img { width: 43px; height: 43px; border-radius: 11px; box-shadow: 0 4px 16px rgba(19,44,37,.16); }
.brand small { display: block; color: var(--ink-soft); font-size: 10px; letter-spacing: .14em; line-height: 1; text-transform: uppercase; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 22px; }
.nav a { text-decoration: none; font-size: 14px; font-weight: 700; }
.nav a:hover { color: var(--orange); }
.lang-link { border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; background: var(--paper); }
.menu-button { display: none; margin-left: auto; border: 0; background: var(--green); color: #fff; border-radius: 999px; padding: 8px 14px; font: inherit; font-weight: 700; }

.hero { padding: 72px 0 84px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 54px; }
.eyebrow { margin: 0 0 16px; color: var(--orange); font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.platform-label { text-transform: none; }
h1, h2, h3 { font-family: "Noto Serif JP", Georgia, serif; letter-spacing: -.035em; line-height: 1.25; }
.en h1, .en h2, .en h3 { font-family: Georgia, "Times New Roman", serif; }
h1 { margin: 0; font-size: clamp(3rem, 7vw, 6.3rem); }
.hero h1 span { display: block; margin-top: 8px; color: var(--ink-soft); font-family: inherit; font-size: clamp(1.25rem, 2.4vw, 2rem); font-weight: 600; letter-spacing: -.02em; }
.lead { max-width: 650px; margin: 26px 0 0; font-size: clamp(1.06rem, 1.5vw, 1.24rem); color: var(--ink-soft); }
.hero-aside { max-width: 620px; margin: 10px 0 0; color: var(--green); font-size: .92rem; font-weight: 800; }
.store-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.store-button { display: inline-flex; align-items: center; gap: 11px; min-width: 188px; padding: 11px 18px; border-radius: 14px; background: var(--green-2); color: #fff; text-decoration: none; line-height: 1.25; box-shadow: 0 10px 26px rgba(15,58,47,.19); }
.store-button strong { display: block; font-size: 16px; }
.store-button small { display: block; color: #d9e7e1; font-size: 10px; letter-spacing: .08em; }
.store-icon { width: 28px; font-size: 24px; text-align: center; }
.store-button:hover { transform: translateY(-2px); }
.release-note { margin: 12px 0 0; color: #62756f; font-size: 13px; }
.hero-visual { position: relative; min-height: 600px; }
.phone { position: absolute; width: min(272px, 65%); border: 8px solid #17372f; border-radius: 35px; overflow: hidden; background: #fff; box-shadow: var(--shadow); }
.phone img { width: 100%; height: auto; }
.phone.primary { right: 14%; top: 0; transform: rotate(3deg); }
.phone.secondary { left: 0; bottom: 0; width: min(230px, 55%); transform: rotate(-5deg); }
.app-icon { position: absolute; right: 0; bottom: 36px; width: 118px; height: auto; aspect-ratio: 1; object-fit: cover; border-radius: 28px; box-shadow: 0 18px 40px rgba(19,44,37,.22); transform: rotate(7deg); }

.proof-strip { border-block: 1px solid var(--line); background: rgba(255,253,246,.52); }
.proof-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.proof-item { padding: 24px; border-right: 1px solid var(--line); }
.proof-item:last-child { border-right: 0; }
.proof-item strong { display: block; font-size: 1.6rem; font-family: Georgia, serif; }
.proof-item span { color: var(--ink-soft); font-size: 13px; }

.confidence { padding: 58px 0 20px; }
.confidence-grid { display: grid; grid-template-columns: repeat(3, 1fr) 1.15fr; align-items: stretch; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--paper); box-shadow: 0 12px 36px rgba(19,44,37,.08); }
.confidence-grid p { display: grid; place-content: center; min-height: 170px; margin: 0; padding: 24px; border-right: 1px solid var(--line); text-align: center; }
.confidence-grid p span { color: var(--ink-soft); font: 700 1.05rem/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; }
.confidence-grid p strong { margin-top: 10px; color: var(--green); font: 700 clamp(2rem,4vw,3.4rem)/1 Georgia, serif; }
.confidence-stamp { display: grid; place-content: center; padding: 24px; background: var(--orange); font-family: "Noto Serif JP", Georgia, serif; font-size: clamp(1.5rem,2.5vw,2.2rem); font-weight: 800; text-align: center; transform: rotate(-1deg); }
.en .confidence-stamp { font-family: Georgia, "Times New Roman", serif; }
.confidence-stamp small { display: block; margin-top: 4px; font-family: inherit; font-size: .48em; }

section { padding: 88px 0; }
.section-head { max-width: 700px; margin-bottom: 38px; }
.section-head h2 { margin: 0 0 12px; font-size: clamp(2rem, 4vw, 3.4rem); }
.section-head p { margin: 0; color: var(--ink-soft); font-size: 1.05rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { min-height: 260px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); box-shadow: 0 8px 30px rgba(19,44,37,.06); }
.feature-card .number { color: var(--orange); font: 700 12px/1 Georgia, serif; letter-spacing: .16em; }
.feature-card h3 { margin: 70px 0 10px; font-size: 1.48rem; }
.feature-card h3 small { display: block; margin-top: 7px; color: inherit; font-family: ui-sans-serif, system-ui, sans-serif; font-size: .68rem; font-weight: 700; letter-spacing: .04em; }
.feature-card p { margin: 0; color: var(--ink-soft); }
.feature-card.wide { grid-column: span 2; background: var(--green); color: #fff; }
.feature-card.wide p { color: #d7e6e1; }
.feature-card.wide .number { color: #ffc29f; }
.feature-card.manifesto { grid-column: 1 / -1; min-height: auto; background: var(--green); color: #fff; }
.feature-card.manifesto h3 { margin-top: 30px; font-size: clamp(1.7rem,3vw,2.7rem); }
.feature-card.manifesto p { max-width: 760px; color: #d7e6e1; font-size: 1.05rem; }
.feature-card.manifesto .number { color: #ffc29f; }

.olympic { background: var(--green-2); color: #fff; }
.olympic-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: center; }
.olympic .section-head { margin: 0; }
.olympic .section-head p { color: #c8d9d3; }
.olympic-list { display: grid; gap: 16px; margin-top: 28px; }
.olympic-list div { display: flex; gap: 14px; align-items: flex-start; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.16); }
.olympic-list b { color: #ffc29f; }
.screenshot-frame { padding: 18px; border: 1px solid rgba(255,255,255,.18); border-radius: 36px; background: rgba(255,255,255,.07); }
.screenshot-frame img { width: min(430px, 100%); margin: auto; border-radius: 24px; }

.bonus { padding: 34px 0; }
.bonus-card { display: grid; grid-template-columns: 1fr 280px; align-items: center; gap: 54px; padding: 42px 52px; border: 1px solid var(--line); border-radius: var(--radius); background: #ece5d5; overflow: hidden; }
.bonus-card h2 { margin: 0 0 14px; font-size: clamp(1.8rem,3.5vw,3rem); }
.bonus-card p { color: var(--ink-soft); }
.bonus-note { margin-top: 20px; color: var(--green) !important; font-weight: 900; }
.bonus-image { max-height: 330px; overflow: hidden; border: 6px solid var(--green); border-radius: 28px 28px 0 0; box-shadow: 0 16px 34px rgba(19,44,37,.15); transform: translateY(72px) rotate(2deg); }
.bonus-image img { width: 100%; height: auto; }

.principles { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.principle { padding: 30px 0; border-top: 1px solid var(--line); }
.principle h3 { margin: 0 0 8px; }
.principle p { margin: 0; color: var(--ink-soft); }
.cta { padding-top: 28px; }
.cta-box { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; padding: 42px; border-radius: var(--radius); background: var(--orange); color: #251b15; box-shadow: var(--shadow); }
.cta-box h2 { margin: 0 0 6px; font-size: clamp(1.8rem,3vw,2.8rem); }
.cta-box p { margin: 0; }
.text-button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 10px 20px; border-radius: 999px; background: var(--green-2); color: #fff; text-decoration: none; font-weight: 800; white-space: nowrap; }

.page-hero { padding: 68px 0 36px; }
.page-hero h1 { font-size: clamp(2.5rem, 6vw, 4.8rem); }
.page-hero p { max-width: 720px; color: var(--ink-soft); }
.legal-layout { display: grid; grid-template-columns: 220px 1fr; gap: 54px; align-items: start; padding-bottom: 90px; }
.legal-nav { position: sticky; top: 110px; display: grid; gap: 8px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,253,246,.72); }
.legal-nav a { color: var(--ink-soft); font-size: 13px; text-decoration: none; }
.legal { max-width: 780px; }
.legal h2 { margin: 48px 0 12px; font-size: 1.55rem; }
.legal h2:first-child { margin-top: 0; }
.legal h3 { margin: 26px 0 8px; font-size: 1.15rem; }
.legal p, .legal li { color: #2f463f; }
.legal .notice { padding: 18px 20px; border-left: 4px solid var(--orange); background: var(--paper); }
.legal a { color: #0b5f88; }
.meta { color: #687a74; font-size: 14px; }
.contact-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 20px; padding-bottom: 90px; }
.contact-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.contact-card h2 { margin-top: 0; }
.contact-card ul { padding-left: 1.2em; }

.site-footer { margin-top: 72px; background: #0e2c24; color: #dce8e4; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 36px; padding: 50px 0 28px; }
.footer-brand { font-size: 1.4rem; font-weight: 800; }
.footer-links { display: grid; grid-template-columns: repeat(2, auto); gap: 8px 26px; }
.footer-links a { color: #dce8e4; text-decoration: none; font-size: 14px; }
.copyright { padding: 18px 0 24px; border-top: 1px solid rgba(255,255,255,.12); color: #aebfba; font-size: 12px; }

@media (max-width: 850px) {
  .hero-grid, .olympic-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 48px; }
  .hero-visual { min-height: 540px; max-width: 520px; margin: 20px auto 0; width: 100%; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-card.wide { grid-column: span 2; }
  .proof-grid { grid-template-columns: 1fr 1fr; }
  .proof-item:nth-child(2) { border-right: 0; }
  .proof-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .legal-layout { grid-template-columns: 1fr; gap: 24px; }
  .legal-nav { position: static; grid-template-columns: repeat(2, 1fr); }
  .confidence-grid { grid-template-columns: repeat(3, 1fr); }
  .confidence-stamp { grid-column: 1 / -1; transform: none; }
  .confidence-grid p:nth-child(3) { border-right: 0; }
  .bonus-card { grid-template-columns: 1fr 210px; gap: 30px; padding-inline: 34px; }
}
@media (max-width: 660px) {
  .wrap { width: min(100% - 28px, 1120px); }
  .header-inner { min-height: 68px; }
  .menu-button { display: inline-block; }
  .nav { display: none; position: absolute; left: 14px; right: 14px; top: 72px; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: var(--shadow); }
  .nav.is-open { display: grid; }
  .hero { padding-bottom: 54px; }
  .hero-visual { min-height: 455px; }
  .phone.primary { right: 3%; }
  .phone.secondary { left: 1%; }
  .app-icon { width: 86px; right: 1%; bottom: 8px; }
  section { padding: 64px 0; }
  .feature-grid, .principles { grid-template-columns: 1fr; }
  .feature-card.wide { grid-column: auto; }
  .feature-card h3 { margin-top: 38px; }
  .confidence { padding-top: 36px; }
  .confidence-grid { grid-template-columns: 1fr; }
  .confidence-grid p { min-height: 120px; border-right: 0; border-bottom: 1px solid var(--line); }
  .confidence-stamp { grid-column: auto; }
  .bonus-card { grid-template-columns: 1fr; padding: 30px; }
  .bonus-image { width: min(220px, 74%); max-height: 250px; margin: 0 auto; transform: translateY(48px) rotate(2deg); }
  .cta-box { grid-template-columns: 1fr; padding: 30px; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .store-row { display: grid; grid-template-columns: 1fr; }
  .store-button { width: 100%; }
  .brand img { width: 38px; height: 38px; }
  .brand { font-size: 14px; }
  .brand small { font-size: 9px; }
  .header-inner { gap: 10px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .store-button:hover { transform: none; } }