:root {
  --ink: #102a2b;
  --muted: #5d7070;
  --line: #d9e5e2;
  --paper: #f4f8f7;
  --card: #ffffff;
  --teal: #087f69;
  --teal-dark: #0b3b45;
  --mint: #dff5ed;
  --amber: #f4c96b;
  --shadow: 0 24px 70px rgba(12, 55, 51, .10);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; max-width: 100%; overflow-x: hidden; }
body { max-width: 100%; overflow-x: hidden; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.6; }
a { color: inherit; }
.wrap { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 10; padding: 10px 14px; background: var(--teal-dark); color: #fff; border-radius: 8px; }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(244,248,247,.94); border-bottom: 1px solid rgba(217,229,226,.8); backdrop-filter: blur(14px); }
.nav-wrap { display: flex; align-items: center; min-height: 74px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 850; letter-spacing: -.04em; font-size: 1.1rem; white-space: nowrap; }
.brand-logo { width: 34px; height: 34px; object-fit: contain; border-radius: 11px; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 11px; color: white; background: linear-gradient(135deg, #0b3b45, #12a594); box-shadow: 0 8px 18px rgba(11,59,69,.22); font-weight: 900; }
nav { display: flex; align-items: center; gap: 21px; margin-left: auto; font-size: .92rem; color: var(--muted); }
nav a, .language, .footer-links a { text-decoration: none; }
nav a:hover, .footer-links a:hover, .text-link:hover { color: var(--teal); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language { color: var(--muted); font-size: .84rem; }
.language a { text-decoration: none; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 18px; border: 1px solid transparent; border-radius: 12px; text-decoration: none; font-weight: 800; line-height: 1.1; cursor: pointer; font: inherit; }
.button--small { min-height: 38px; padding: 8px 13px; font-size: .86rem; }
.button--primary { background: var(--teal); color: #fff; box-shadow: 0 10px 24px rgba(8,127,105,.22); }
.button--primary:hover { background: #066b5a; }
.button--outline { border-color: #a8c2bc; background: transparent; color: var(--teal-dark); }
.button--dark { background: var(--teal-dark); color: #fff; }
.button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible { outline: 3px solid rgba(244, 173, 57, .8); outline-offset: 3px; }
.hero { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 76px; padding-top: 88px; padding-bottom: 96px; }
.eyebrow { margin: 0 0 13px; color: var(--teal); font-size: .74rem; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; margin-bottom: 22px; font-size: clamp(2.6rem, 6vw, 5.4rem); line-height: .99; letter-spacing: -.075em; font-weight: 900; }
h1 em { color: var(--teal); font-style: normal; }
.hero-copy h1 span, .hero-copy h1 em { display: block; }
.hero-title--ja em { white-space: nowrap; }
h2 { line-height: 1.1; letter-spacing: -.045em; font-size: clamp(1.7rem, 3.4vw, 3rem); }
h3 { line-height: 1.2; letter-spacing: -.025em; }
.lede { max-width: 710px; color: #3e5756; font-size: clamp(1.05rem, 1.7vw, 1.28rem); line-height: 1.7; }
.cta-row { display: flex; align-items: center; flex-wrap: wrap; gap: 16px; margin-top: 28px; }
.cta-note, .microcopy { color: var(--muted); font-size: .84rem; }
.microcopy { margin: 15px 0 0; }
.text-link { color: var(--teal-dark); font-weight: 800; text-decoration: underline; text-decoration-color: #9bc8bc; text-underline-offset: 4px; }
.hero-panel { position: relative; padding: 28px; border: 1px solid #b7d7cb; border-radius: 24px; background: linear-gradient(155deg, #fff, #e8f7f0); box-shadow: var(--shadow); transform: rotate(1.2deg); }
.hero-panel:after { content: ""; position: absolute; right: -24px; bottom: -26px; width: 100px; height: 100px; border-radius: 50%; background: var(--amber); opacity: .7; z-index: -1; }
.panel-top { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .78rem; font-weight: 800; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 0 5px #bde9da; }
.panel-tag { margin-left: auto; padding: 4px 8px; border-radius: 999px; background: #fff8df; color: #856018; font-size: .68rem; }
.hero-panel h2 { margin: 30px 0 20px; font-size: 1.55rem; }
.evidence-row, .verdict { display: flex; justify-content: space-between; gap: 18px; padding: 14px 0; border-top: 1px solid #cde3d9; }
.evidence-row span, .verdict span { color: var(--muted); font-size: .86rem; }
.evidence-row strong { font-size: 1.04rem; }
.evidence-row.muted strong { color: var(--muted); }
.verdict { margin-top: 14px; padding: 15px; border: 1px solid #95cdb8; border-radius: 13px; background: rgba(255,255,255,.72); }
.verdict strong { color: var(--teal-dark); font-size: .92rem; }
.hero-panel p { margin: 16px 0 0; color: var(--muted); font-size: .78rem; }
.section { padding-top: 92px; padding-bottom: 92px; }
.section--tight { padding-top: 30px; padding-bottom: 30px; }
.section-heading { max-width: 740px; margin-bottom: 34px; }
.feature-grid, .steps-grid, .pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card, .step-card, .price-card, .guide-block, .guide-link, .calculator, .results { background: var(--card); border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 10px 32px rgba(12,55,51,.045); }
.feature-card, .step-card { padding: 26px; min-height: 230px; }
.feature-card p, .step-card p, .guide-block p, .price-card li { color: var(--muted); }
.number { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 28px; margin-bottom: 29px; border-radius: 999px; background: var(--mint); color: var(--teal-dark); font-size: .74rem; font-weight: 900; letter-spacing: .08em; }
.band { padding: 82px 0; background: var(--teal-dark); color: #fff; }
.band .eyebrow { color: #8de4cc; }
.band h2 { max-width: 550px; }
.two-col { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: start; }
.intent-cards { display: grid; gap: 13px; }
.intent-card { display: grid; grid-template-columns: 1fr 1.3fr auto; gap: 20px; align-items: center; padding: 20px; color: #fff; border: 1px solid rgba(255,255,255,.22); border-radius: 16px; text-decoration: none; background: rgba(255,255,255,.08); }
.intent-card:hover { background: rgba(255,255,255,.16); }
.intent-card span, .intent-card small { color: #b9d4cf; font-size: .82rem; }
.intent-card strong { font-size: 1.05rem; }
.callout { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 30px; border: 1px solid #d0e4da; border-radius: 22px; background: #e5f6ee; }
.callout h2 { margin-bottom: 10px; font-size: 1.75rem; }
.callout p { margin-bottom: 0; color: var(--muted); }
.note-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; }
.prose { max-width: 670px; color: #425856; }
.prose p { margin-bottom: 18px; }
.closing-cta { padding: 88px 0; background: #e7f4f0; }
.closing-cta h2 { max-width: 640px; margin-bottom: 0; }
.page-hero { padding-top: 82px; padding-bottom: 60px; }
.page-hero h1 { font-size: clamp(2.6rem, 5.4vw, 4.7rem); }
.steps-grid { grid-template-columns: repeat(2, 1fr); }
.step-card { min-height: 250px; }
.step-card .number { background: var(--teal-dark); color: #b8f0df; }
.notice { margin-top: 28px; padding: 22px 24px; border-left: 4px solid var(--amber); background: #fffaf0; color: #4f554a; }
.notice strong { color: var(--teal-dark); }
.notice p:last-child { margin-bottom: 0; }
.price-card { padding: 29px; }
.price-card--featured { color: #fff; background: var(--teal-dark); border-color: var(--teal-dark); transform: translateY(-10px); box-shadow: 0 20px 48px rgba(11,59,69,.2); }
.price-card--featured .eyebrow, .price-card--featured li, .price-card--featured .price-caption { color: #b9d9d1; }
.price-card h2 { margin: 12px 0 4px; font-size: 2.1rem; }
.price-caption { color: var(--muted); }
.price-card ul { min-height: 145px; padding-left: 20px; }
.price-card li { margin: 8px 0; }
.price-card--featured .button--primary { background: #8de4cc; color: var(--teal-dark); box-shadow: none; }
.article-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 28px 70px; }
.article-intro { color: #425856; font-size: 1.12rem; }
.guide-stack { display: grid; gap: 14px; }
.guide-block { padding: 25px; }
.guide-block h2 { margin-bottom: 10px; font-size: 1.36rem; }
.guide-block p { margin-bottom: 0; }
.article-layout .notice { grid-column: 2; }
.guide-index { display: grid; gap: 14px; max-width: 820px; }
.guide-link { display: grid; grid-template-columns: 50px 1fr 30px; align-items: center; gap: 14px; padding: 19px 22px; text-decoration: none; }
.guide-link:hover { border-color: #90c9b6; transform: translateX(4px); }
.guide-link .number { margin: 0; }
.guide-link span:last-child { color: var(--teal); font-size: 1.2rem; }
.calculator-section { display: grid; grid-template-columns: 1.1fr .9fr; gap: 22px; align-items: start; }
.calculator, .results { padding: 28px; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
label { display: grid; gap: 7px; color: var(--teal-dark); font-weight: 800; font-size: .9rem; }
input, select { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid #b9d2cb; border-radius: 10px; background: #fbfdfc; color: var(--ink); font: inherit; }
label small { color: var(--muted); font-size: .75rem; font-weight: 500; }
.input-suffix { position: relative; }
.input-suffix input { padding-right: 32px; }
.input-suffix span { position: absolute; right: 12px; top: 10px; color: var(--muted); }
.form-error { padding: 10px 12px; border-radius: 8px; background: #ffe8e5; color: #a52c22; font-size: .87rem; }
.results { display: grid; gap: 13px; }
.result-card { display: grid; gap: 5px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: #fbfdfc; }
.result-card span { color: var(--muted); font-size: .83rem; }
.result-card strong { color: var(--teal-dark); font-size: 1.55rem; letter-spacing: -.03em; }
.result-card small, .result-note { color: var(--muted); font-size: .76rem; }
.result-card--highlight { background: var(--mint); border-color: #a8d7c5; }
.result-note { margin: 5px 0 0; }
.site-footer { padding: 48px 0 58px; background: #102a2b; color: #d6e5e1; }
.brand--footer { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1fr auto; gap: 20px 40px; align-items: start; }
.footer-grid p { margin: 14px 0 0; color: #a9c0bb; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; color: #d6e5e1; }
.footer-small { grid-column: 1 / -1; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.15); font-size: .8rem; }

@media (max-width: 860px) {
  .nav-wrap { flex-wrap: wrap; padding: 13px 0; }
  nav { order: 3; width: 100%; overflow-x: auto; margin-left: 0; padding-bottom: 2px; }
  .hero, .two-col, .note-grid, .calculator-section, .article-layout { grid-template-columns: 1fr; gap: 34px; }
  .hero { padding-top: 58px; padding-bottom: 65px; }
  .hero-panel { max-width: 640px; width: 100%; transform: none; }
  .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
  .price-card--featured { transform: none; }
  .article-layout .notice { grid-column: auto; }
}

@media (max-width: 560px) {
  .wrap { width: min(100% - 28px, 1160px); }
  .nav-wrap { gap: 10px; }
  .header-actions { gap: 7px; }
  .header-actions .button { min-height: 34px; padding: 7px 9px; font-size: .74rem; }
  .language { font-size: .76rem; }
  h1 { font-size: clamp(2.15rem, 11vw, 3.7rem); }
  .hero-title--ja { font-size: clamp(2.05rem, 10.4vw, 3.7rem); }
  .hero-copy, .hero-panel { min-width: 0; }
  .hero-panel:after { right: 0; }
  .hero { padding-top: 45px; }
  .section, .page-hero { padding-top: 58px; padding-bottom: 58px; }
  .steps-grid, .form-grid { grid-template-columns: 1fr; }
  .intent-card { grid-template-columns: 1fr; gap: 5px; }
  .callout, .footer-grid { grid-template-columns: 1fr; display: grid; }
  .footer-links { grid-column: 1; }
  .cta-row { align-items: flex-start; flex-direction: column; }
  .button { width: 100%; }
}