:root {
  --ink: #20243a;
  --muted: #687086;
  --brand: #5b5bd6;
  --brand-dark: #4242ae;
  --accent: #2f8a84;
  --warm: #ffcf70;
  --surface: #ffffff;
  --soft: #f4f4fb;
  --soft-blue: #eef7f7;
  --line: #dde0ec;
  --ok: #167c66;
  --warn: #9a5b00;
  --shadow: 0 18px 55px rgba(44, 48, 90, .12);
  --radius: 24px;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: #fbfbfe; font-family: var(--sans); line-height: 1.75; }
img { max-width: 100%; }
a { color: inherit; }
button, input, select { font: inherit; }
.container { width: min(1120px, calc(100% - 36px)); margin-inline: auto; }
.narrow { width: min(780px, calc(100% - 36px)); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0; }
.skip:focus { left: 12px; top: 12px; z-index: 999; background: #fff; padding: 10px; }

.ad-note { background: #292d43; color: #fff; font-size: 12px; text-align: center; padding: 6px 16px; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(251,251,254,.92); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(221,224,236,.8); }
.header-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { display: block; width: 220px; height: 52px; }
.nav { display: flex; gap: 24px; align-items: center; font-size: 14px; font-weight: 700; }
.nav a { text-decoration: none; }
.nav a:hover { color: var(--brand); }
.nav-cta { background: var(--brand); color: #fff !important; padding: 10px 16px; border-radius: 999px; }
.menu-toggle { display: none; border: 1px solid var(--line); border-radius: 12px; padding: 8px 12px; background: #fff; color: var(--ink); }

.hero { position: relative; overflow: hidden; padding: 76px 0 64px; background: radial-gradient(circle at 85% 10%, rgba(91,91,214,.18), transparent 34%), radial-gradient(circle at 12% 82%, rgba(47,138,132,.14), transparent 28%), linear-gradient(145deg,#faf9ff,#f2f8f8); }
.hero::after { content: ""; position: absolute; width: 340px; height: 340px; border: 1px solid rgba(91,91,214,.16); border-radius: 50%; right: -120px; bottom: -150px; box-shadow: 0 0 0 42px rgba(91,91,214,.035), 0 0 0 86px rgba(47,138,132,.025); }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; position: relative; z-index: 1; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--brand-dark); background: rgba(255,255,255,.8); border: 1px solid rgba(91,91,214,.2); padding: 7px 13px; border-radius: 999px; font-size: 13px; font-weight: 800; letter-spacing: .04em; }
.eyebrow::before { content: ""; width: 8px; height: 8px; background: var(--accent); border-radius: 50%; }
h1, h2, h3 { line-height: 1.35; text-wrap: balance; }
h1 { margin: 18px 0; font-family: var(--serif); font-size: clamp(38px, 6vw, 68px); letter-spacing: -.03em; }
.hero h1 span { color: var(--brand); }
.lead { font-size: 18px; color: #4c5267; max-width: 640px; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; border: 0; border-radius: 14px; padding: 14px 20px; font-weight: 800; text-decoration: none; cursor: pointer; transition: transform .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--brand); color: #fff; box-shadow: 0 10px 25px rgba(91,91,214,.25); }
.button.secondary { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.button.small { padding: 11px 15px; font-size: 14px; border-radius: 12px; }
.micro { margin-top: 12px; font-size: 12px; color: var(--muted); }

.hero-panel { background: rgba(255,255,255,.87); border: 1px solid rgba(255,255,255,.9); padding: 24px; border-radius: 32px; box-shadow: var(--shadow); }
.panel-label { color: var(--accent); font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.path-list { margin: 15px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.path-list li { display: grid; grid-template-columns: 36px 1fr; gap: 12px; align-items: center; background: var(--soft); padding: 12px; border-radius: 16px; }
.path-list b { width: 36px; height: 36px; display: grid; place-items: center; background: #fff; color: var(--brand); border-radius: 12px; }
.path-list strong { display: block; font-size: 14px; }
.path-list span { color: var(--muted); font-size: 12px; }

.trust-strip { background: var(--ink); color: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(3,1fr); }
.trust-item { padding: 18px 24px; text-align: center; border-right: 1px solid rgba(255,255,255,.13); font-size: 13px; }
.trust-item:last-child { border: 0; }
.trust-item strong { color: var(--warm); display: block; font-size: 16px; }

.section { padding: 76px 0; }
.section.soft { background: var(--soft); }
.section.blue { background: var(--soft-blue); }
.section-heading { margin-bottom: 34px; }
.section-heading.center { text-align: center; max-width: 820px; margin-inline: auto; margin-bottom: 38px; }
.kicker { color: var(--brand); font-size: 12px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
h2 { margin: 8px 0 12px; font-family: var(--serif); font-size: clamp(30px, 3.6vw, 44px); }
.section-heading.center h2 { max-width: 19em; margin-inline: auto; }
.section-heading p { color: var(--muted); margin: 0; text-wrap: pretty; }
.section-heading.center p { max-width: 680px; margin-inline: auto; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: 0 8px 25px rgba(40,48,73,.05); }
.card-number { display: inline-grid; place-items: center; width: 42px; height: 42px; border-radius: 14px; background: var(--soft); color: var(--brand); font-weight: 900; }
.card h3 { margin: 17px 0 8px; font-size: 20px; }
.card p { color: var(--muted); font-size: 14px; margin: 0; }
.card .text-link { display: inline-block; margin-top: 15px; color: var(--brand-dark); font-size: 14px; font-weight: 800; }

.quick-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.quick-card { position: relative; overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 26px; text-decoration: none; }
.quick-card::after { content: "→"; position: absolute; right: 22px; bottom: 18px; color: var(--brand); font-size: 28px; }
.quick-card .tag { color: var(--accent); font-size: 12px; font-weight: 900; }
.quick-card h3 { margin: 8px 36px 8px 0; }
.quick-card p { margin: 0 32px 0 0; color: var(--muted); font-size: 14px; }

.service-list { display: grid; gap: 20px; }
.service-card { display: grid; grid-template-columns: 120px 1fr auto; gap: 24px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 26px; padding: 24px; }
.service-mark { width: 110px; aspect-ratio: 1; display: grid; place-items: center; border-radius: 24px; background: linear-gradient(145deg,var(--soft),#fff); color: var(--brand); font-family: var(--serif); font-weight: 800; text-align: center; border: 1px solid var(--line); }
.service-card h3 { margin: 0 0 6px; }
.service-card p { margin: 0; color: var(--muted); font-size: 14px; }
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.chip { padding: 5px 9px; background: var(--soft-blue); color: #286a65; border-radius: 999px; font-size: 11px; font-weight: 800; }

.guide-callout { display: grid; grid-template-columns: 120px 1fr; gap: 22px; align-items: center; background: linear-gradient(135deg,#393a83,#2d6f6b); color: #fff; padding: 28px; border-radius: 28px; }
.guide-face { width: 110px; height: 110px; border-radius: 50%; background: #fff; color: var(--brand); display: grid; place-items: center; font-size: 46px; }
.guide-callout h3 { margin: 0 0 7px; font-family: var(--serif); font-size: 26px; }
.guide-callout p { margin: 0; color: rgba(255,255,255,.82); }

.check-list { padding: 0; margin: 20px 0; list-style: none; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 34px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 23px; height: 23px; display: grid; place-items: center; background: #dff4ef; color: var(--ok); border-radius: 50%; font-weight: 900; font-size: 13px; }
.notice { background: #fff8e8; border: 1px solid #f0d39b; border-radius: 16px; padding: 16px 18px; color: #75501a; font-size: 13px; }
.note { background: var(--soft); border-left: 4px solid var(--brand); padding: 16px 18px; border-radius: 0 14px 14px 0; }

.page-hero { padding: 64px 0 48px; background: linear-gradient(135deg,#f0f0ff,#eef8f7); }
.page-hero h1 { font-size: clamp(34px,5vw,56px); max-width: 16em; }
.breadcrumbs { font-size: 12px; color: var(--muted); margin-bottom: 14px; }
.breadcrumbs a { color: var(--brand-dark); }

.three-questions { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; counter-reset: q; }
.question { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 20px; counter-increment: q; }
.question::before { content: "Q" counter(q); color: var(--brand); font-weight: 900; }
.question strong { display: block; margin: 6px 0; }
.question span { color: var(--muted); font-size: 13px; }

.table-wrap { overflow-x: auto; border-radius: 20px; border: 1px solid var(--line); background: #fff; }
.comparison-table { width: 100%; border-collapse: collapse; min-width: 780px; }
.comparison-table th, .comparison-table td { text-align: left; padding: 16px; border-bottom: 1px solid var(--line); font-size: 13px; vertical-align: top; }
.comparison-table th { background: #f0f1fb; color: #4b4f6c; font-size: 12px; }
.comparison-table tr:last-child td { border-bottom: 0; }
.comparison-table strong { display: block; font-size: 15px; }
.rank { display: inline-grid; place-items: center; min-width: 25px; height: 25px; border-radius: 8px; background: var(--brand); color: #fff; font-size: 11px; font-weight: 900; }

.detail-card { background: #fff; border: 1px solid var(--line); border-radius: 26px; padding: 28px; margin-top: 22px; }
.detail-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; }
.detail-head h3 { font-size: 25px; margin: 0 0 4px; }
.detail-head p { margin: 0; color: var(--muted); }
.fit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0; }
.fit-box { border-radius: 16px; padding: 16px; background: #edf8f5; }
.fit-box.avoid { background: #fff4ed; }
.fit-box strong { display: block; margin-bottom: 6px; }
.fit-box p { margin: 0; font-size: 13px; color: var(--muted); }

.quiz { background: #fff; border: 1px solid var(--line); border-radius: 28px; padding: 30px; box-shadow: var(--shadow); }
.progress { height: 8px; background: var(--soft); border-radius: 99px; overflow: hidden; margin-bottom: 24px; }
.progress span { display: block; height: 100%; width: 20%; background: linear-gradient(90deg,var(--brand),var(--accent)); transition: width .25s; }
.quiz-step { display: none; }
.quiz-step.active { display: block; }
.quiz-step h2 { font-size: 28px; }
.answers { display: grid; gap: 10px; margin-top: 20px; }
.answer { width: 100%; text-align: left; padding: 15px 18px; border: 1px solid var(--line); background: #fff; border-radius: 14px; cursor: pointer; font-weight: 700; }
.answer:hover, .answer:focus { border-color: var(--brand); background: var(--soft); }
.quiz-result { display: none; }
.quiz-result.active { display: block; }
.result-badge { display: inline-block; color: var(--accent); background: var(--soft-blue); padding: 6px 10px; border-radius: 99px; font-weight: 900; font-size: 12px; }

.article { padding: 64px 0 90px; }
.article h2 { margin-top: 52px; font-size: 32px; }
.article h3 { margin-top: 30px; font-size: 22px; }
.article p, .article li { color: #454b61; }
.article-intro { font-size: 18px; }
.toc { background: var(--soft); border-radius: 20px; padding: 20px 24px; margin: 30px 0; }
.toc strong { display: block; margin-bottom: 8px; }
.toc a { color: var(--brand-dark); }

.footer { background: var(--ink); color: #fff; padding: 50px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 42px; }
.footer p, .footer a { color: rgba(255,255,255,.68); font-size: 13px; }
.footer a { display: block; text-decoration: none; margin: 7px 0; }
.footer h3 { font-size: 14px; margin-top: 0; }
.copyright { border-top: 1px solid rgba(255,255,255,.12); margin-top: 34px; padding-top: 20px; font-size: 11px; color: rgba(255,255,255,.5); }
.mobile-sticky { display: none; }

.fact-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin: 26px 0; }
.fact { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 18px; }
.fact span { display: block; color: var(--muted); font-size: 11px; font-weight: 800; }
.fact strong { display: block; margin-top: 5px; font-size: 16px; }
.verdict { display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px; margin: 28px 0; }
.verdict-main { background: linear-gradient(135deg,#34367f,#276d68); color: #fff; border-radius: 24px; padding: 25px; }
.verdict-main h2 { margin: 5px 0 10px; font-size: 28px; }
.verdict-main p { color: rgba(255,255,255,.83); margin: 0; }
.verdict-side { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 23px; }
.verdict-side strong { display: block; margin-bottom: 7px; }
.source-list { border-top: 1px solid var(--line); margin-top: 42px; padding-top: 24px; font-size: 13px; }
.source-list a { color: var(--brand-dark); overflow-wrap: anywhere; }
.flow { display: grid; grid-template-columns: repeat(5,1fr); gap: 9px; counter-reset: flow; margin: 24px 0; }
.flow-step { counter-increment: flow; background: var(--soft); border-radius: 16px; padding: 15px; font-size: 13px; }
.flow-step::before { content: counter(flow); display: grid; place-items: center; width: 27px; height: 27px; background: var(--brand); color: #fff; border-radius: 9px; font-weight: 900; margin-bottom: 9px; }
.article-card-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin: 24px 0; }
.article-card { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 21px; text-decoration: none; }
.article-card small { color: var(--accent); font-weight: 900; }
.article-card strong { display: block; margin: 6px 0; }
.article-card span { color: var(--muted); font-size: 13px; }

.consult-cta { margin-top: 48px; padding: 30px; border: 1px solid #cfd5f5; border-radius: 26px; background: linear-gradient(135deg,#f0f1ff,#edf8f5); box-shadow: 0 16px 38px rgba(40,45,98,.08); }
.consult-cta-label { display: inline-block; margin-bottom: 8px; padding: 5px 10px; border-radius: 99px; background: #fff; color: var(--brand); font-size: 11px; font-weight: 900; letter-spacing: .08em; }
.consult-cta h2, .article .consult-cta h2 { margin: 0 0 12px; font-size: 28px; }
.consult-cta p { margin: 8px 0; }
.consult-cta .button-row { margin: 20px 0 10px; }
.consult-cta .micro { color: var(--muted); }

.studio-layout { display: grid; grid-template-columns: 340px 1fr; gap: 22px; align-items: start; }
.studio-controls { position: sticky; top: 96px; background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 22px; }
.field { display: grid; gap: 7px; margin-bottom: 16px; }
.field label { font-size: 12px; font-weight: 900; color: #4b5068; }
.field select, .field input { width: 100%; border: 1px solid var(--line); background: #fff; color: var(--ink); padding: 12px; border-radius: 12px; }
.studio-output { display: grid; gap: 15px; }
.output-card { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 22px; }
.output-head { display: flex; justify-content: space-between; gap: 14px; align-items: center; margin-bottom: 12px; }
.output-head h3 { margin: 0; }
.copy-button { border: 1px solid var(--line); background: var(--soft); border-radius: 10px; padding: 7px 11px; cursor: pointer; font-size: 12px; font-weight: 800; }
.output-text { white-space: pre-wrap; color: #3f455c; font-size: 14px; background: #fafafe; padding: 15px; border-radius: 14px; min-height: 70px; }
.cut-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; }
.cut { background: var(--soft); border-radius: 14px; padding: 14px; }
.cut b { color: var(--brand); font-size: 12px; }
.cut span { display: block; margin-top: 5px; font-size: 13px; }
.status-toast { position: fixed; right: 18px; bottom: 18px; background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 12px; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 80; }
.status-toast.show { opacity: 1; }

@media (max-width: 840px) {
  .nav { display: none; position: absolute; left: 18px; right: 18px; top: 70px; background: #fff; box-shadow: var(--shadow); border: 1px solid var(--line); border-radius: 18px; padding: 18px; flex-direction: column; align-items: stretch; }
  .nav.open { display: flex; }
  .menu-toggle { display: inline-block; }
  .hero { padding: 52px 0 42px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-panel { padding: 18px; }
  .cards, .three-questions { grid-template-columns: 1fr; }
  .service-card { grid-template-columns: 78px 1fr; }
  .service-mark { width: 76px; border-radius: 18px; font-size: 12px; }
  .service-card > .button { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
  .fact-grid { grid-template-columns: repeat(2,1fr); }
  .verdict, .studio-layout { grid-template-columns: 1fr; }
  .studio-controls { position: static; }
  .flow { grid-template-columns: 1fr 1fr; }
  .section-heading.center { max-width: 700px; }
  .section-heading.center h2 { max-width: 17em; }
}

@media (max-width: 620px) {
  body { padding-bottom: 70px; }
  .container, .narrow { width: min(100% - 28px, 1120px); }
  .brand img { width: 188px; }
  h1 { font-size: 37px; }
  h2 { font-size: 30px; }
  .lead { font-size: 16px; }
  .section { padding: 58px 0; }
  .section-heading, .section-heading.center { margin-bottom: 30px; }
  .section-heading.center h2 { max-width: 13em; }
  .article h2 { font-size: 28px; line-height: 1.4; }
  .article h3 { font-size: 20px; line-height: 1.45; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-item { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
  .quick-grid, .fit-grid { grid-template-columns: 1fr; }
  .article-card-grid, .cut-grid { grid-template-columns: 1fr; }
  .consult-cta { padding: 23px 19px; }
  .consult-cta h2, .article .consult-cta h2 { font-size: 24px; }
  .guide-callout { grid-template-columns: 1fr; text-align: center; }
  .guide-face { margin: auto; }
  .detail-head { display: block; }
  .detail-head .button { margin-top: 14px; width: 100%; }
  .quiz { padding: 21px; }
  .mobile-sticky { position: fixed; display: flex; left: 10px; right: 10px; bottom: 9px; z-index: 60; background: var(--ink); color: #fff; border-radius: 15px; padding: 12px 16px; justify-content: center; text-decoration: none; font-weight: 900; box-shadow: 0 10px 32px rgba(0,0,0,.28); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}