:root {
  color-scheme: light;
  --paper: #FBFAF7;
  --paper-2: #F1F3F5;
  --ink: #23272D;
  --muted: #5C626A;
  --line: #E1E2DC;
  --ai: #2A4A73;
  --ai-dark: #1F3856;
  --rod: #7A6246;
  --shu: #C0472E;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", "Noto Serif CJK JP", "Times New Roman", serif;
  --sans: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Meiryo", "Noto Sans JP", "Noto Sans CJK JP", "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.03em;
  -webkit-font-smoothing: antialiased;
}
html[lang="en"] body { line-height: 1.7; letter-spacing: 0.005em; }

.wrap { max-width: 1040px; margin-inline: auto; padding-inline: 20px; }
a { color: var(--ai); text-underline-offset: 3px; }
a:hover { color: var(--ai-dark); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--shu); outline-offset: 3px; border-radius: 2px;
}
img, svg { max-width: 100%; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.5; margin: 0; letter-spacing: 0.06em; text-wrap: balance; }
html[lang="en"] h1, html[lang="en"] h2, html[lang="en"] h3 { letter-spacing: 0.01em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.4em; }

.skip { position: absolute; left: -9999px; top: 0; background: var(--ai); color: #fff; padding: 8px 14px; z-index: 100; }
.skip:focus { left: 8px; top: 8px; }

/* ---------- Top bar ---------- */
.topbar { background: var(--ai-dark); color: #E8EDF3; font-size: 13px; letter-spacing: 0.04em; }
.topbar .wrap { display: flex; flex-wrap: wrap; gap: 2px 22px; padding-block: 7px; line-height: 1.6; }
.topbar a { color: #fff; text-decoration: none; }
.topbar a:hover { text-decoration: underline; }

/* ---------- Header ---------- */
.site-header { border-bottom: 1px solid var(--line); background: var(--paper); }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 28px; padding-block: 18px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.seal {
  display: grid; place-items: center; width: 36px; height: 36px;
  border: 1.5px solid var(--shu); border-radius: 3px; color: var(--shu);
  font-family: var(--serif); font-weight: 700; font-size: 20px; line-height: 1;
}
.brand-name { font-family: var(--serif); font-weight: 600; font-size: 18px; letter-spacing: 0.12em; line-height: 1.2; }
.brand-name small { display: block; font-family: var(--sans); font-weight: 400; font-size: 11px; letter-spacing: 0.1em; color: var(--muted); }
.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 22px; }
.nav a { color: var(--ink); text-decoration: none; font-size: 14px; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { border-bottom-color: var(--line); }
.nav a[aria-current="page"] { border-bottom-color: var(--shu); font-weight: 500; }
.nav .lang { font-size: 12px; border: 1px solid var(--line); border-radius: 3px; padding: 3px 10px; color: var(--muted); }
.nav .lang:hover { border-color: var(--ai); color: var(--ai); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px;
  padding: 10px 26px; border-radius: 3px; font-family: inherit; font-size: 15px; font-weight: 500;
  letter-spacing: 0.08em; text-decoration: none; cursor: pointer; border: 1.5px solid var(--ai);
  background: var(--ai); color: #fff; transition: background .2s, color .2s;
}
.btn:hover { background: var(--ai-dark); border-color: var(--ai-dark); color: #fff; }
.btn.ghost { background: transparent; color: var(--ai); }
.btn.ghost:hover { background: var(--ai); color: #fff; }
.btn[disabled] { opacity: .6; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* ---------- Hero ---------- */
.hero { padding-block: 56px 48px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 48px; align-items: center; }
.eyebrow { font-size: 13px; letter-spacing: 0.2em; color: var(--shu); margin: 0 0 14px; }
html[lang="en"] .eyebrow { letter-spacing: 0.12em; text-transform: uppercase; font-size: 12px; }
.hero h1 { font-size: clamp(28px, 4.2vw, 44px); line-height: 1.55; margin-bottom: 20px; }
.hero .lead { font-size: 16px; color: var(--ink); max-width: 34em; }
.price-line { display: inline-block; margin-top: 4px; padding: 8px 14px; border-left: 3px solid var(--shu); background: var(--paper-2); font-size: 15px; }
.noren { max-width: 360px; margin-inline: auto; width: 100%; }
.noren-rod { height: 7px; margin-inline: -14px; background: var(--rod); border-radius: 4px; }
.noren-panels { display: flex; gap: 5px; }
.noren-panel {
  flex: 1; height: clamp(190px, 26vw, 270px); background: var(--ai); display: flex; justify-content: center;
  padding-top: 22%; transform-origin: top center;
}
.noren-panel span { color: var(--paper); font-family: var(--serif); font-weight: 700; font-size: clamp(30px, 4vw, 44px); line-height: 1; }
@media (prefers-reduced-motion: no-preference) {
  .noren-panel { animation: sway 7s ease-in-out infinite alternate; }
  .noren-panel:nth-child(2) { animation-delay: -2.3s; }
  .noren-panel:nth-child(3) { animation-delay: -4.6s; }
}
@keyframes sway { from { transform: rotate(-0.6deg); } to { transform: rotate(0.6deg); } }

.facts { background: var(--paper-2); border-block: 1px solid var(--line); }
.facts .wrap { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; padding-block: 0; }
.fact { padding: 22px 18px; border-left: 1px solid var(--line); }
.fact:first-child { border-left: 0; padding-left: 0; }
.fact dt { font-size: 12px; letter-spacing: 0.14em; color: var(--muted); margin: 0 0 4px; }
.fact dd { margin: 0; font-family: var(--serif); font-size: 17px; line-height: 1.6; color: var(--ai-dark); font-weight: 600; }
.fact dd small { display: block; font-family: var(--sans); font-weight: 400; font-size: 12px; color: var(--muted); letter-spacing: 0.02em; }

/* ---------- Sections ---------- */
.section { padding-block: 72px; }
.section.alt { background: var(--paper-2); }
.section.line-top { border-top: 1px solid var(--line); }
.section-head { margin-bottom: 36px; }
.section-head .eyebrow { margin-bottom: 8px; }
.section-head h2 { font-size: clamp(22px, 3vw, 30px); }
.section-head p { margin-top: 12px; color: var(--muted); max-width: 40em; }
.narrow { max-width: 760px; }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.cards.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cards.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--ai); border-radius: 3px; padding: 26px 24px; }
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { margin: 0; font-size: 15px; color: var(--ink); }
.card .price { margin-top: 14px; font-family: var(--serif); font-size: 18px; color: var(--ai-dark); font-weight: 600; }
.card .price small { font-family: var(--sans); font-size: 12px; color: var(--muted); font-weight: 400; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; counter-reset: step; }
.steps li { counter-increment: step; border-top: 1px solid var(--ink); padding-top: 18px; }
.steps li::before { content: counter(step, decimal-leading-zero); display: block; font-family: var(--serif); font-size: 26px; color: var(--shu); line-height: 1.2; margin-bottom: 6px; }
.steps h3 { font-size: 16px; margin-bottom: 6px; }
.steps p { margin: 0; font-size: 14px; color: var(--muted); }

.cta { background: var(--ai); color: #fff; }
.cta .wrap { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 36px; align-items: center; padding-block: 56px; }
.cta h2 { font-size: clamp(22px, 3vw, 28px); color: #fff; margin-bottom: 10px; }
.cta p { margin: 0; color: #DCE4EE; }
.cta .contact-lines { font-size: 15px; line-height: 2; }
.cta .contact-lines a { color: #fff; }
.cta .btn { background: #fff; color: var(--ai-dark); border-color: #fff; }
.cta .btn:hover { background: var(--paper-2); color: var(--ai-dark); }

/* ---------- Page title ---------- */
.page-title { padding-block: 48px 36px; border-bottom: 1px solid var(--line); background: var(--paper-2); }
.page-title h1 { font-size: clamp(26px, 3.6vw, 36px); }
.page-title p { margin: 10px 0 0; color: var(--muted); max-width: 42em; }
.crumbs { font-size: 12px; color: var(--muted); margin-bottom: 10px; letter-spacing: 0.06em; }
.crumbs a { color: var(--muted); }

/* ---------- Menu ---------- */
.menu-group { margin-bottom: 56px; }
.menu-group > h2 { font-size: 22px; padding-bottom: 10px; border-bottom: 2px solid var(--ai); margin-bottom: 4px; }
.menu-group > .note { font-size: 14px; color: var(--muted); margin: 10px 0 0; }
.menu-item { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 28px; padding-block: 20px; border-bottom: 1px solid var(--line); }
.menu-item h3 { font-size: 18px; }
.menu-item h3 small { font-family: var(--sans); font-weight: 400; font-size: 13px; color: var(--muted); margin-left: 8px; letter-spacing: 0.02em; }
.menu-item p { margin: 6px 0 0; font-size: 15px; color: var(--ink); }
.menu-item .tag { display: inline-block; margin-top: 8px; margin-right: 6px; font-size: 12px; color: var(--ai-dark); border: 1px solid var(--ai); border-radius: 2px; padding: 0 8px; line-height: 1.7; }
.menu-item .amount { font-family: var(--serif); font-size: 22px; font-weight: 600; color: var(--ai-dark); white-space: nowrap; text-align: right; }
.menu-item .amount small { display: block; font-family: var(--sans); font-size: 11px; font-weight: 400; color: var(--muted); letter-spacing: 0.04em; }
.callout { border: 1px solid var(--line); border-left: 4px solid var(--shu); background: #fff; padding: 20px 24px; border-radius: 3px; }
.callout h3 { font-size: 16px; margin-bottom: 8px; }
.callout ul { margin: 0; font-size: 14.5px; }
.callout li { margin-bottom: 4px; }

/* ---------- Spec tables ---------- */
.spec { margin: 0; border-top: 1px solid var(--ink); }
.spec > div { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 8px 28px; padding: 16px 4px; border-bottom: 1px solid var(--line); }
.spec dt { font-weight: 500; font-size: 15px; }
.spec dd { margin: 0; font-size: 15px; overflow-wrap: anywhere; }
.todo { background: #FFF2A8; color: #5A4300; padding: 0 .25em; border-radius: 2px; font-style: normal; }

/* ---------- Prose (policy pages) ---------- */
.prose { max-width: 760px; }
.prose h2 { font-size: 20px; margin: 40px 0 12px; padding-bottom: 8px; border-bottom: 1px solid var(--line); }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { font-size: 15.5px; }
.prose .meta { color: var(--muted); font-size: 13px; }

/* ---------- Form ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.form { background: #fff; border: 1px solid var(--line); border-radius: 3px; padding: 28px 26px; }
.field { margin-bottom: 18px; }
.field label, .field .label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; }
.req { color: var(--shu); font-size: 12px; margin-left: 6px; font-weight: 400; }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field input[type="date"], .field input[type="number"], .field select, .field textarea {
  width: 100%; font: inherit; font-size: 16px; letter-spacing: 0.02em; padding: 11px 12px; border: 1px solid #B9BDC2; border-radius: 3px; background: #fff; color: var(--ink);
}
.field textarea { min-height: 150px; resize: vertical; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; }
.check input { margin-top: 6px; width: 18px; height: 18px; flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { margin-top: 16px; padding: 12px 14px; border-radius: 3px; background: #FBEAE6; border: 1px solid #E5B3A6; color: #7A2A18; font-size: 14px; }
.side-box { border-top: 3px solid var(--ai); background: #fff; border-left: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 24px; border-radius: 3px; }
.side-box h2 { font-size: 18px; margin-bottom: 14px; }
.side-box dl { margin: 0; font-size: 14.5px; }
.side-box dt { font-size: 12px; letter-spacing: 0.12em; color: var(--muted); margin-top: 14px; }
.side-box dd { margin: 2px 0 0; overflow-wrap: anywhere; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--paper-2); padding-block: 48px 28px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1.2fr); gap: 36px; }
.site-footer h2 { font-family: var(--sans); font-size: 12px; letter-spacing: 0.14em; color: var(--muted); font-weight: 500; margin-bottom: 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 6px; }
.site-footer a { color: var(--ink); }
.site-footer address { font-style: normal; line-height: 1.9; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-family: var(--serif); font-size: 17px; font-weight: 600; letter-spacing: 0.1em; }
.copyright { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; letter-spacing: 0.06em; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .hero { padding-block: 36px 36px; }
  .hero .wrap, .cta .wrap, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .noren { max-width: 240px; }
  .facts .wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fact:nth-child(3) { border-left: 0; padding-left: 0; }
  .fact { border-top: 1px solid var(--line); }
  .fact:nth-child(-n+2) { border-top: 0; }
  .cards, .cards.four, .cards.two { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .section { padding-block: 52px; }
  .spec > div { grid-template-columns: 1fr; gap: 2px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .menu-item { grid-template-columns: 1fr; }
  .menu-item .amount { text-align: left; }
  .topbar .wrap { flex-direction: column; }
  .btn { width: 100%; }
  .form { padding: 22px 18px; }
}

/* CTA band button must stay readable (overrides .contact-lines a) */
.cta .contact-lines a.btn { color: var(--ai-dark); text-decoration: none; }
.cta .contact-lines a.btn:hover { color: var(--ai-dark); }