:root {
  --ink: #172522;
  --muted: #5a6966;
  --green: #173b35;
  --green-2: #285a50;
  --brand-deep: #3f8056;
  --brand-green: #82b84d;
  --brand-lime: #b4c91f;
  --brand-yellow: #f5c538;
  --gold: #b7954b;
  --paper: #ffffff;
  --tint: #f3f6f4;
  --line: #d9e1de;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", sans-serif;
  line-height: 1.8;
  letter-spacing: .02em;
}
a { color: inherit; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.narrow { max-width: 820px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 999; padding: 10px 16px; background: #fff; border: 2px solid var(--green); }
.skip-link:focus { top: 10px; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(8px); }
.header-inner { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 700; letter-spacing: .06em; }
.brand-symbol { display: block; width: 40px; height: 40px; flex: 0 0 auto; }
.site-nav { display: flex; align-items: center; gap: 26px; }
.site-nav a, .back-link { text-decoration: none; font-size: .91rem; font-weight: 600; }
.site-nav a:hover, .site-nav a:focus-visible, .back-link:hover { color: var(--green-2); text-decoration: underline; text-underline-offset: 5px; }
.menu-button { display: none; }

.hero { padding: clamp(72px, 10vw, 138px) 0; background: linear-gradient(135deg, #f7f8f5 0%, #eef3f0 100%); border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, .7fr); gap: clamp(50px, 8vw, 110px); align-items: center; }
.eyebrow, .section-kicker, .hero-note-label { margin: 0 0 14px; color: var(--green-2); font-size: .78rem; font-weight: 800; letter-spacing: .2em; }
h1, h2, h3 { font-family: "Noto Serif JP", "Yu Mincho", serif; line-height: 1.4; letter-spacing: .04em; }
h1 { margin: 0 0 26px; font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 600; }
h2 { margin: 0 0 22px; font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { margin: 0 0 14px; font-size: 1.3rem; }
.hero-lead { max-width: 720px; margin: 0 0 34px; color: #40504d; font-size: 1.05rem; }
.button { display: inline-block; padding: 13px 24px; color: #fff; background: var(--green); border-radius: 3px; text-decoration: none; font-weight: 700; }
.button:hover, .button:focus-visible { background: var(--green-2); }
.hero-note { padding: 34px; color: #fff; background: var(--green); border-radius: 4px; box-shadow: 18px 18px 0 #dfe8e4; }
.hero-note-label { color: #d8c48f; }
.hero-note > p:nth-child(2) { margin: 0 0 26px; font-family: "Noto Serif JP", "Yu Mincho", serif; font-size: 1.25rem; }
.hero-note dl { margin: 0; }
.hero-note dl div { display: flex; justify-content: space-between; gap: 20px; padding: 12px 0; border-top: 1px solid rgba(255,255,255,.2); }
.hero-note dt { color: #c9d4d1; }
.hero-note dd { margin: 0; font-weight: 700; }

.section { padding: clamp(72px, 9vw, 116px) 0; }
.section-tint { background: var(--tint); }
.about > .container > p:last-of-type { color: #43524f; font-size: 1.08rem; }
.brand-story { display: grid; grid-template-columns: 180px 1fr; gap: clamp(34px, 6vw, 64px); align-items: center; margin-top: 58px; padding: 42px; background: var(--tint); border-left: 4px solid var(--brand-deep); }
.brand-story-symbol { display: block; width: 180px; height: 180px; }
.brand-story-label { margin: 0 0 8px; color: #39754f; font-size: .74rem; font-weight: 800; letter-spacing: .2em; }
.brand-story h3 { margin-bottom: 16px; font-size: clamp(1.35rem, 2.4vw, 1.85rem); }
.brand-story p:last-child { margin: 0; color: var(--muted); font-size: .94rem; }
.section-heading { display: flex; justify-content: space-between; gap: 50px; align-items: end; margin-bottom: 42px; }
.section-heading > p { max-width: 430px; margin: 0 0 8px; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { position: relative; padding: 32px; background: #fff; border: 1px solid var(--line); border-top: 4px solid var(--green); }
.card-number { margin: 24px 0 8px; color: #a2afac; font-size: .82rem; font-weight: 800; letter-spacing: .16em; }
.status { display: inline-block; padding: 4px 10px; border-radius: 2px; font-size: .74rem; font-weight: 800; }
.current { color: #fff; background: var(--green); }
.developing { color: #5e4819; background: #f2e7c9; }
.preparing { color: #495956; background: #e5ebe9; }
.notice { margin: 22px 0 0; padding: 14px 16px; color: #5a4518; background: #f7f0de; border-left: 3px solid var(--gold); font-size: .84rem; line-height: 1.65; }
.notice.neutral { color: #475653; background: var(--tint); border-color: #91a59f; }

.future { background: var(--green); color: #fff; }
.future .section-kicker { color: #d8c48f; }
.future-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(50px, 9vw, 120px); }
.future-grid > div:first-child > p:last-child { color: #cbd8d4; }
.future-list article { padding: 30px 0; border-top: 1px solid rgba(255,255,255,.22); }
.future-list article:first-child { padding-top: 0; border-top: 0; }
.future-list span { display: inline-block; margin-bottom: 12px; color: #e2cd96; font-size: .78rem; font-weight: 800; }
.future-list p { margin-bottom: 0; color: #d6e0dd; }

.company-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: 80px; }
.company-table { margin: 0; border-top: 1px solid #aebbb7; }
.company-table > div { display: grid; grid-template-columns: 150px 1fr; gap: 28px; padding: 25px 0; border-bottom: 1px solid var(--line); }
.company-table dt { font-weight: 800; }
.company-table dd { margin: 0; }
.company-table strong { display: inline-block; margin-top: 8px; color: var(--green); }
.company-table strong:first-child { margin-top: 0; }

.contact-box { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; padding: 52px; border: 1px solid var(--line); }
.contact-detail { padding-left: 40px; border-left: 1px solid var(--line); }
.placeholder-label { margin: 0 0 8px; font-size: .82rem; font-weight: 800; }
.placeholder { margin: 0; color: var(--green); font-weight: 800; overflow-wrap: anywhere; }
.small { color: var(--muted); font-size: .85rem; }

.site-footer { padding: 42px 0; color: #d7e1de; background: #102a26; font-size: .82rem; }
.footer-inner { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.footer-brand { margin: 0; color: #fff; font-family: "Noto Serif JP", "Yu Mincho", serif; font-size: 1.15rem; font-weight: 700; }
.site-footer p { margin-bottom: 0; }
.footer-links { text-align: right; }
.footer-links a { color: #fff; text-underline-offset: 4px; }

.policy-main { background: var(--tint); padding: 80px 0 110px; }
.policy-wrap { max-width: 880px; padding: clamp(28px, 6vw, 68px); background: #fff; border: 1px solid var(--line); }
.policy-wrap h1 { font-size: clamp(2rem, 4vw, 3rem); }
.policy-lead { margin-bottom: 50px; color: var(--muted); }
.policy-wrap section { padding: 28px 0; border-top: 1px solid var(--line); }
.policy-wrap section h2 { margin-bottom: 10px; font-size: 1.25rem; }
.policy-wrap section p { margin: 0; }
.policy-date { margin: 44px 0 0; text-align: right; color: var(--muted); }

:focus-visible { outline: 3px solid #d8aa43; outline-offset: 3px; }

@media (max-width: 820px) {
  .menu-button { display: inline-flex; align-items: center; gap: 10px; padding: 10px 0 10px 12px; border: 0; background: transparent; color: var(--ink); font: inherit; font-size: .85rem; font-weight: 700; }
  .menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 22px; height: 2px; background: var(--green); content: ""; transition: transform .2s; }
  .menu-icon { position: relative; }
  .menu-icon::before { position: absolute; top: -7px; }
  .menu-icon::after { position: absolute; top: 7px; }
  .menu-button[aria-expanded="true"] .menu-icon { background: transparent; }
  .menu-button[aria-expanded="true"] .menu-icon::before { top: 0; transform: rotate(45deg); }
  .menu-button[aria-expanded="true"] .menu-icon::after { top: 0; transform: rotate(-45deg); }
  .site-nav { display: none; position: absolute; inset: 76px 0 auto; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 20px; background: #fff; border-bottom: 1px solid var(--line); box-shadow: 0 12px 30px rgba(23,59,53,.09); }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 13px 0; border-bottom: 1px solid var(--line); }
  .hero-grid, .future-grid, .company-grid, .contact-box { grid-template-columns: 1fr; }
  .brand-story { grid-template-columns: 140px 1fr; }
  .brand-story-symbol { width: 140px; height: 140px; }
  .hero-grid { gap: 54px; }
  .cards { grid-template-columns: 1fr; }
  .section-heading { display: block; }
  .company-grid { gap: 28px; }
  .contact-box { gap: 28px; padding: 34px 26px; }
  .contact-detail { padding: 28px 0 0; border-left: 0; border-top: 1px solid var(--line); }
}

@media (max-width: 540px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .header-inner { min-height: 68px; }
  .brand { font-size: .92rem; }
  .brand-symbol { width: 35px; height: 35px; }
  .site-nav { top: 68px; }
  .hero { padding-top: 58px; }
  .hero-note { padding: 26px; box-shadow: 10px 10px 0 #dfe8e4; }
  .brand-story { grid-template-columns: 1fr; gap: 24px; padding: 30px 24px; }
  .brand-story-symbol { width: 132px; height: 132px; margin-inline: auto; }
  .card { padding: 26px 22px; }
  .company-table > div { grid-template-columns: 1fr; gap: 8px; }
  .company-table dt { color: var(--green); }
  .footer-inner { align-items: start; flex-direction: column; }
  .footer-links { text-align: left; }
  .back-link { font-size: .82rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}