:root {
  --ink: #111411;
  --muted: #636961;
  --paper: #f5f3ed;
  --white: #fffefa;
  --lime: #d9ff57;
  --mint: #88efc4;
  --line: rgba(17, 20, 17, 0.14);
  --radius: 22px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif; line-height: 1.7; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .18; z-index: 10; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.09'/%3E%3C/svg%3E"); }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 10px 14px; background: var(--lime); border-radius: 8px; }
.skip-link:focus { top: 12px; }
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; max-width: calc(var(--max) + 48px); margin: auto; padding: 24px; transition: background .25s, padding .25s, box-shadow .25s; }
.site-header.scrolled { max-width: none; padding: 13px max(24px, calc((100vw - var(--max)) / 2)); background: rgba(245,243,237,.86); backdrop-filter: blur(16px); box-shadow: 0 1px 0 var(--line); }
.site-header.compact { position: static; max-width: var(--max); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 850; letter-spacing: .12em; font-size: 14px; }
.brand svg { width: 30px; height: 30px; fill: var(--ink); }
.site-header nav { display: flex; align-items: center; gap: 28px; font-size: 13px; font-weight: 700; }
.site-header nav a:not(.nav-cta) { position: relative; }
.site-header nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -4px; height: 1px; background: currentColor; transition: right .2s; }
.site-header nav a:hover::after { right: 0; }
.nav-cta { display: inline-flex; padding: 10px 18px; border-radius: 999px; color: var(--white); background: var(--ink); }
.hero { position: relative; min-height: 760px; max-width: var(--max); margin: auto; padding: 154px 24px 88px; display: grid; grid-template-columns: minmax(0,1.25fr) minmax(310px,.75fr); gap: 70px; align-items: center; overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 520px; height: 520px; right: -180px; top: 30px; border: 1px solid var(--line); border-radius: 50%; box-shadow: 0 0 0 60px rgba(17,20,17,.02), 0 0 0 120px rgba(17,20,17,.02); }
.hero-copy, .hero-card { position: relative; z-index: 2; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin: 0 0 22px; font-size: 11px; letter-spacing: .19em; font-weight: 850; }
.eyebrow > span { width: 26px; height: 2px; background: var(--ink); }
.eyebrow.light > span { background: var(--lime); }
.hero h1 { margin: 0; max-width: 760px; font-size: clamp(52px, 7vw, 94px); letter-spacing: -.065em; line-height: 1.04; font-weight: 850; }
.hero h1 em { position: relative; font-style: normal; z-index: 1; }
.hero h1 em::after { content: ""; position: absolute; z-index: -1; left: -2%; right: -2%; bottom: .09em; height: .23em; transform: rotate(-1deg); background: var(--lime); }
.hero-lead { margin: 34px 0; max-width: 670px; color: var(--muted); font-size: 16px; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-bottom: 48px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 38px; min-height: 54px; padding: 14px 22px; border: 0; border-radius: 6px; font-weight: 800; cursor: pointer; transition: transform .2s, box-shadow .2s, opacity .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: var(--white); box-shadow: 7px 7px 0 var(--lime); }
.button-primary:hover { box-shadow: 4px 4px 0 var(--lime); }
.text-link { font-size: 13px; font-weight: 750; border-bottom: 1px solid var(--ink); }
.text-link span { margin-left: 12px; }
.hero-points { display: grid; grid-template-columns: repeat(3,1fr); max-width: 650px; gap: 0; padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.hero-points li { padding: 14px 15px 0 0; font-size: 12px; font-weight: 700; }
.hero-points strong { display: block; color: #5f665e; font-size: 10px; letter-spacing: .12em; }
.hero-card { min-height: 470px; padding: 28px; border-radius: 28px; background: var(--ink); color: var(--white); box-shadow: 20px 28px 0 rgba(17,20,17,.08); transform: rotate(1deg); overflow: hidden; }
.card-label { font-size: 10px; letter-spacing: .18em; color: #b8c0b8; }
.signal-map { position: relative; width: 240px; height: 240px; margin: 14px auto 20px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.signal-map::before, .signal-map::after { content:""; position:absolute; inset: 28px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.signal-map::after { inset: 66px; }
.signal { position: absolute; display: grid; place-items: center; width: 12px; height: 12px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 8px rgba(136,239,196,.1); animation: pulse 3s ease-in-out infinite; }
.signal-a { top: 28px; left: 58px; }
.signal-b { right: 28px; top: 104px; animation-delay: .7s; }
.signal-c { bottom: 26px; left: 92px; animation-delay: 1.4s; }
.signal-core { inset: 0; margin: auto; width: 60px; height: 60px; color: var(--ink); background: var(--lime); font-size: 23px; font-weight: 900; box-shadow: 0 0 0 12px rgba(217,255,87,.08); }
@keyframes pulse { 50% { transform: scale(1.4); opacity: .65; } }
.hero-card ol { list-style: none; padding: 0; margin: 0; }
.hero-card li { display: flex; align-items: center; gap: 16px; padding: 11px 0; border-top: 1px solid rgba(255,255,255,.12); }
.hero-card li span { color: var(--lime); font-size: 10px; }
.hero-card li p { margin: 0; font-size: 13px; font-weight: 700; }
.statement { padding: 28px max(24px, calc((100vw - var(--max)) / 2)); display: flex; justify-content: space-between; align-items: center; gap: 24px; background: var(--lime); }
.statement p { margin: 0; font-size: clamp(20px,3vw,34px); font-weight: 850; letter-spacing: -.03em; }
.statement span { max-width: 380px; font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.section { max-width: var(--max); margin: auto; padding: 120px 24px; }
.section-heading { display: grid; grid-template-columns: .6fr 1fr 1fr; gap: 50px; align-items: end; margin-bottom: 56px; }
.section-heading .eyebrow { align-self: start; }
.section-heading h2, .principle h2, .contact h2 { margin: 0; font-size: clamp(38px,5vw,66px); line-height: 1.13; letter-spacing: -.055em; }
.section-heading > p:last-child { margin: 0; color: var(--muted); font-size: 14px; }
.service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.service-card { position: relative; display: flex; flex-direction: column; min-height: 530px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,254,250,.55); overflow: hidden; }
.service-card::after { content: ""; position: absolute; width: 160px; height: 160px; right: -80px; top: -80px; border: 1px solid var(--line); border-radius: 50%; }
.service-card.featured { color: var(--white); background: var(--ink); transform: translateY(-18px); }
.service-number { margin-bottom: 58px; color: #626962; font-size: 12px; }
.service-tag { margin: 0 0 10px; color: #5f665e; font-size: 10px; letter-spacing: .15em; font-weight: 850; }
.service-card.featured .service-number, .service-card.featured .service-tag { color: #b8c0b8; }
.service-card h3 { margin: 0 0 24px; font-size: 31px; line-height: 1.25; letter-spacing: -.04em; }
.service-card > p:not(.service-tag) { margin: 0 0 24px; color: var(--muted); font-size: 13px; }
.service-card.featured > p:not(.service-tag) { color: #b8bfb7; }
.service-card ul { list-style: none; padding: 0; margin: 0 0 26px; font-size: 12px; }
.service-card li { padding: 8px 0; border-top: 1px solid var(--line); }
.service-card.featured li { border-color: rgba(255,255,255,.13); }
.service-card li::before { content: "↗"; color: #8d938c; margin-right: 10px; }
.service-price { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); }
.service-price span { font-size: 11px; color: #5f665e; }
.service-card.featured .service-price span { color: #b8c0b8; }
.service-price strong { font-size: 21px; }
.price-note { margin: 16px 4px 0; color: var(--muted); font-size: 11px; text-align: right; }
.principle { max-width: none; padding-left: max(24px, calc((100vw - var(--max)) / 2)); padding-right: max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: 1fr 1fr; gap: 90px; color: var(--white); background: var(--ink); }
.principle-list article { display: grid; grid-template-columns: 50px 1fr; gap: 18px; padding: 25px 0; border-top: 1px solid rgba(255,255,255,.14); }
.principle-list article > span { color: var(--lime); font-size: 10px; }
.principle-list h3 { margin: 0 0 6px; font-size: 20px; }
.principle-list p { margin: 0; color: #adb5ad; font-size: 13px; }
.process-steps { display: grid; grid-template-columns: repeat(4,1fr); padding: 0; margin: 0; list-style: none; counter-reset: steps; }
.process-steps li { min-height: 230px; padding: 24px; border-top: 1px solid var(--ink); border-right: 1px solid var(--line); }
.process-steps li:last-child { border-right: 0; }
.process-steps span { display: block; margin-bottom: 55px; color: #5f665e; font-size: 10px; letter-spacing: .13em; }
.process-steps strong { display: block; font-size: 25px; }
.process-steps p { color: var(--muted); font-size: 12px; }
.contact { max-width: none; padding-left: max(24px, calc((100vw - var(--max)) / 2)); padding-right: max(24px, calc((100vw - var(--max)) / 2)); display: grid; grid-template-columns: .85fr 1.15fr; gap: 90px; color: var(--white); background: #242824; }
.contact-intro > p:not(.eyebrow) { color: #bac1ba; }
.contact-note { margin-top: 55px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.15); }
.contact-note strong, .contact-note span { display: block; font-size: 11px; }
.contact-note span { color: #9ba39a; }
.contact-form { padding: 34px; color: var(--ink); background: var(--paper); border-radius: var(--radius); }
.contact-form label { display: block; margin-bottom: 18px; font-size: 11px; font-weight: 800; }
.contact-form label em { margin-left: 6px; color: #577000; font-style: normal; }
.contact-form label > span { color: #5f665e; font-weight: 500; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; margin-top: 7px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 7px; color: var(--ink); background: var(--white); outline: none; }
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(217,255,87,.55); }
.contact-form textarea { resize: vertical; min-height: 130px; }
.honeypot { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.contact-form .consent { display: flex; align-items: center; gap: 10px; font-weight: 500; }
.consent input { width: 18px; height: 18px; margin: 0; }
.consent a { border-bottom: 1px solid currentColor; }
.turnstile-wrap { min-height: 70px; margin: 4px 0 20px; }
.button-submit { width: 100%; color: var(--ink); background: var(--lime); }
.button-submit:disabled { cursor: wait; opacity: .58; transform: none; }
.form-status { min-height: 24px; margin: 14px 0 0; font-size: 12px; }
.form-status.success { color: #3b5f00; }
.form-status.error { color: #a12c2c; }
footer { max-width: var(--max); margin: auto; padding: 54px 24px; display: grid; grid-template-columns: 1fr 1fr auto; gap: 24px; align-items: center; }
.footer-brand { grid-row: span 2; }
footer p { margin: 0; font-size: 12px; }
.footer-operator { color: var(--muted); font-size: 10px; line-height: 1.7; }
footer nav { display: flex; gap: 18px; font-size: 11px; }
footer small { color: var(--muted); font-size: 10px; text-align: right; }
.reveal { opacity: 1; transform: none; transition: opacity .65s ease, transform .65s ease; }
.js .reveal { opacity: 0; transform: translateY(20px); }
.js .reveal.visible { opacity: 1; transform: translateY(0); }
.legal-page { background: var(--white); }
.legal-content { max-width: 800px; margin: 50px auto 120px; padding: 50px 24px; }
.legal-content h1 { margin: 0 0 8px; font-size: clamp(38px,5vw,64px); letter-spacing: -.05em; }
.legal-updated { color: var(--muted); font-size: 12px; }
.legal-content h2 { margin: 46px 0 12px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 20px; }
.legal-content p, .legal-content li { color: #4d534d; font-size: 14px; }
.legal-content a { text-decoration: underline; }
.back-link { display: inline-block; margin-top: 56px; font-weight: 700; }
.not-found { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.not-found main { text-align: center; }
.not-found h1 { margin-bottom: 36px; font-size: clamp(38px,7vw,72px); }

.diagnosis-page { background: var(--paper); }
.diagnosis-main { max-width: var(--max); margin: 0 auto; padding: 70px 24px 120px; }
.diagnosis-intro { max-width: 850px; margin-bottom: 54px; }
.diagnosis-intro h1 { margin: 0; font-size: clamp(48px,7vw,88px); line-height: 1.04; letter-spacing: -.065em; }
.diagnosis-intro h1 em { font-style: normal; background: linear-gradient(transparent 72%, var(--lime) 0); }
.diagnosis-intro > p:not(.eyebrow) { max-width: 700px; color: var(--muted); }
.privacy-badge { display: inline-flex; margin-top: 16px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--white); font-size: 11px; font-weight: 700; }
.diagnosis-shell { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); gap: 18px; align-items: start; }
.diagnosis-form, .diagnosis-result { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); }
.diagnosis-form h2, .diagnosis-result h2 { margin: 0 0 28px; font-size: 28px; letter-spacing: -.04em; }
.diagnosis-form label { display: block; margin-bottom: 20px; font-size: 12px; font-weight: 800; }
.diagnosis-form input { width: 100%; margin-top: 7px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 7px; background: #fbfaf5; outline: none; }
.diagnosis-form input:focus { border-color: var(--ink); box-shadow: 0 0 0 3px rgba(217,255,87,.55); }
.diagnosis-form input[type="range"] { padding: 0; accent-color: var(--ink); }
.diagnosis-form output { float: right; padding: 2px 8px; border-radius: 999px; background: var(--lime); }
.diagnosis-result { color: var(--white); background: var(--ink); }
.result-kicker { color: var(--lime); font-size: 10px; font-weight: 850; letter-spacing: .16em; }
.result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.result-grid article { min-height: 120px; padding: 18px; border: 1px solid rgba(255,255,255,.14); border-radius: 14px; }
.result-grid article.accent { color: var(--ink); background: var(--lime); border-color: var(--lime); }
.result-grid span, .result-grid strong { display: block; }
.result-grid span { margin-bottom: 18px; color: #aeb6ae; font-size: 10px; }
.result-grid .accent span { color: #4c561f; }
.result-grid strong { font-size: clamp(20px,3vw,31px); line-height: 1.18; letter-spacing: -.035em; }
.recommendation { margin-top: 18px; padding: 20px; border-radius: 14px; background: rgba(255,255,255,.07); }
.recommendation strong { color: var(--lime); }
.recommendation p, .result-note { color: #b7beb7; font-size: 12px; }
.result-note { margin: 18px 0 0; }
.diagnosis-next { max-width: 800px; margin: 110px auto 0; text-align: center; }
.diagnosis-next .eyebrow { justify-content: center; }
.diagnosis-next h2 { margin: 0; font-size: clamp(36px,5vw,62px); line-height: 1.1; letter-spacing: -.055em; }
.diagnosis-next > p:not(.eyebrow) { margin: 24px auto 32px; max-width: 650px; color: var(--muted); }
.guide-content { max-width: 860px; }
.guide-lead { margin: 28px 0 48px; font-size: 17px !important; }
.formula-box { margin: 14px 0; padding: 18px 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
.formula-box strong, .formula-box code { display: block; }
.formula-box code { margin-top: 8px; color: #394238; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 13px; white-space: normal; }
.article-cta { margin-top: 64px; padding: 34px; border-radius: var(--radius); background: var(--lime); }
.article-cta h2 { margin-top: 0; border: 0; font-size: clamp(30px,5vw,48px); letter-spacing: -.045em; }
.article-cta p { color: #30362c; }
.guide-actions { display: flex; align-items: center; justify-content: center; gap: 28px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .site-header nav a:not(.nav-cta) { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 130px; }
  .hero-card { max-width: 470px; width: 100%; margin: auto; }
  .section-heading { grid-template-columns: 1fr; gap: 16px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 0; }
  .service-card.featured { transform: none; }
  .principle, .contact { grid-template-columns: 1fr; gap: 50px; }
  .diagnosis-shell { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr 1fr; }
  footer { grid-template-columns: 1fr; }
  .footer-brand { grid-row: auto; }
  footer small { text-align: left; }
}

@media (max-width: 600px) {
  .site-header { padding: 16px; }
  .site-header.scrolled { padding: 11px 16px; }
  .nav-cta { padding: 8px 13px; }
  .hero { padding: 118px 18px 70px; gap: 45px; }
  .hero h1 { font-size: clamp(47px,14vw,70px); }
  .desktop-only { display: none; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; }
  .hero-points { grid-template-columns: 1fr; }
  .hero-points li { display: flex; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--line); }
  .hero-card { min-height: 430px; padding: 22px; }
  .signal-map { width: 210px; height: 210px; }
  .statement { align-items: flex-start; flex-direction: column; }
  .section { padding: 88px 18px; }
  .section-heading h2, .principle h2, .contact h2 { font-size: 42px; }
  .service-card { padding: 25px; }
  .principle, .contact { padding-left: 18px; padding-right: 18px; }
  .process-steps { grid-template-columns: 1fr; }
  .process-steps li { min-height: 190px; border-right: 0; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .contact-form { padding: 24px 18px; }
  .diagnosis-main { padding: 50px 18px 88px; }
  .diagnosis-intro h1 { font-size: 48px; }
  .diagnosis-form, .diagnosis-result { padding: 24px 18px; }
  .result-grid { grid-template-columns: 1fr; }
  .article-cta { padding: 24px 18px; }
}

@media (max-width: 380px) {
  .contact-form { padding-left: 12px; padding-right: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}