:root {
  --green: #169b8d;
  --green-dark: #0c7168;
  --green-pale: #e9f5f2;
  --ink: #202725;
  --muted: #66706d;
  --ivory: #fbf8f2;
  --paper: #fffefb;
  --line: #dce6e2;
  --serif: "Noto Serif JP", serif;
  --sans: "Noto Sans JP", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.9; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, p { margin-top: 0; }

.site-header { height: 82px; padding: 0 clamp(24px, 5vw, 80px); display: flex; align-items: center; gap: 42px; position: sticky; top: 0; z-index: 20; background: rgba(255, 254, 251, .94); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(220, 230, 226, .8); }
.brand { display: flex; align-items: center; gap: 11px; margin-right: auto; }
.brand-mark { width: 39px; height: 39px; border-radius: 50%; display: grid; place-items: center; color: white; background: var(--green); font-family: var(--serif); font-size: 19px; }
.brand strong, .brand small { display: block; line-height: 1.25; }
.brand strong { font-family: var(--serif); letter-spacing: .08em; font-size: 16px; }
.brand small { color: var(--muted); font-size: 8px; letter-spacing: .11em; text-transform: uppercase; }
.nav { display: flex; gap: 28px; font-size: 13px; font-weight: 600; }
.nav a { position: relative; }
.nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -7px; height: 2px; background: var(--green); transition: right .25s ease; }
.nav a:hover::after { right: 0; }
.header-cta { color: white; background: var(--green); padding: 11px 22px; border-radius: 999px; font-size: 13px; font-weight: 700; box-shadow: 0 8px 24px rgba(22, 155, 141, .2); }

.hero { min-height: calc(100vh - 82px); position: relative; overflow: hidden; background: linear-gradient(115deg, var(--ivory) 0%, #fff 55%, #edf7f4 100%); }
.hero::before { content: ""; position: absolute; width: 340px; height: 340px; border: 1px solid rgba(22,155,141,.16); border-radius: 50%; left: -170px; top: 14%; }
.hero-art { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(251,248,242,.98) 0%, rgba(251,248,242,.86) 42%, rgba(251,248,242,.1) 70%), url("assets/hero-editorial-v2.jpg") center right / cover no-repeat; opacity: .58; }
.hero-inner { width: min(1180px, calc(100% - 48px)); min-height: calc(100vh - 138px); margin: auto; display: grid; grid-template-columns: 1.22fr .78fr; gap: clamp(30px, 7vw, 100px); align-items: center; position: relative; z-index: 1; padding: 70px 0; }
.eyebrow, .section-kicker { color: var(--green-dark); font-size: 12px; font-weight: 700; letter-spacing: .13em; }
.eyebrow { display: flex; gap: 10px; align-items: center; }
.eyebrow span { width: 30px; height: 1px; background: var(--green); }
h1 { font-family: var(--serif); font-size: clamp(42px, 5.3vw, 74px); line-height: 1.34; letter-spacing: -.02em; margin: 24px 0 30px; }
h1 em { color: var(--green-dark); font-style: normal; position: relative; white-space: nowrap; }
h1 em::after { content: ""; position: absolute; height: 10px; left: 2px; right: 0; bottom: 3px; background: rgba(22,155,141,.16); z-index: -1; }
.hero-lead { max-width: 660px; font-family: var(--serif); font-size: clamp(17px, 1.6vw, 21px); font-weight: 600; line-height: 1.9; }
.hero-note { color: var(--muted); max-width: 600px; font-size: 14px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 28px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 58px; padding: 14px 27px; border-radius: 7px; font-weight: 700; line-height: 1.4; transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--green); box-shadow: 0 14px 30px rgba(22,155,141,.25); }
.chat-icon { font-size: 11px; width: 22px; height: 22px; border: 2px solid currentColor; border-radius: 50%; display: grid; place-items: center; color: inherit; }
.text-link { color: var(--green-dark); font-weight: 700; font-size: 13px; border-bottom: 1px solid currentColor; }
.profile-visual { position: relative; margin: 0; }
.profile-visual img { width: min(400px, 100%); border-radius: 48% 48% 12% 12%; box-shadow: 0 30px 70px rgba(43, 65, 59, .17); position: relative; z-index: 2; }
.profile-ring { position: absolute; width: 86%; aspect-ratio: 1; border-radius: 50%; border: 1px solid var(--green); right: -7%; top: -8%; opacity: .45; }
.profile-visual figcaption { position: absolute; right: -5%; bottom: 7%; z-index: 3; background: rgba(255,255,255,.94); padding: 15px 18px; border-left: 3px solid var(--green); box-shadow: 0 10px 30px rgba(30,50,45,.12); }
.profile-visual figcaption strong, .profile-visual figcaption span { display: block; }
.profile-visual figcaption strong { color: var(--green-dark); font-family: var(--serif); font-size: 22px; }
.profile-visual figcaption span { font-size: 10px; line-height: 1.55; }
.trust-strip { min-height: 56px; padding: 16px 24px; display: flex; justify-content: center; align-items: center; gap: clamp(18px, 4vw, 58px); position: relative; z-index: 2; color: #66817b; background: rgba(255,255,255,.72); border-top: 1px solid rgba(22,155,141,.1); font-size: 10px; letter-spacing: .2em; }
.trust-strip i { width: 4px; height: 4px; background: var(--green); border-radius: 50%; }

.section { width: min(1120px, calc(100% - 48px)); margin: 0 auto; padding: clamp(90px, 11vw, 150px) 0; }
.section-heading { margin-bottom: 52px; }
.section-kicker { margin-bottom: 12px; }
.section-heading h2, .values h2, .contact h2 { font-family: var(--serif); font-size: clamp(30px, 3.5vw, 46px); line-height: 1.55; margin-bottom: 0; letter-spacing: -.02em; }
.section-heading.centered { text-align: center; }
.section-heading.centered > p:last-child { color: var(--muted); margin-top: 18px; }
.heading-row { display: flex; justify-content: space-between; align-items: end; gap: 30px; }
.heading-row > p { color: var(--muted); font-size: 14px; margin-bottom: 6px; }

.about-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: clamp(50px, 8vw, 100px); }
.about-story p { color: #4d5754; font-size: 15px; }
.about-story .large-copy { color: var(--ink); font-family: var(--serif); font-size: 18px; font-weight: 600; line-height: 2.05; }
.definition { padding: 18px 20px; margin: 30px 0 22px; background: var(--green-pale); color: #52635f; font-size: 13px; border-radius: 4px; }
.definition strong { display: block; color: var(--green-dark); }
.about-story .small-note { font-size: 12px; border-left: 2px solid var(--green); padding-left: 14px; }
.credentials-card { background: #1d3430; color: white; padding: clamp(30px, 5vw, 52px); border-radius: 4px 50px 4px 4px; box-shadow: 22px 22px 0 var(--green-pale); align-self: start; }
.card-label { color: #86c9be; font-size: 10px; letter-spacing: .18em; }
.credentials-card h3 { font-family: var(--serif); font-size: 27px; }
.experience-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; list-style: none; padding: 0; margin: 24px 0 30px; }
.experience-list li { min-height: 86px; padding: 14px 12px; border: 1px solid rgba(255,255,255,.13); border-radius: 4px; background: rgba(255,255,255,.045); }
.experience-list strong, .experience-list span { display: block; }
.experience-list strong { color: #9bd8ce; font-family: var(--serif); font-size: 20px; line-height: 1.25; }
.experience-list span { margin-top: 6px; color: rgba(255,255,255,.78); font-size: 10px; line-height: 1.45; }
.credential-group + .credential-group { margin-top: 24px; }
.credential-group h4 { margin: 0; color: #86c9be; font-size: 10px; letter-spacing: .16em; }
.credential-list { list-style: none; padding: 0; margin: 7px 0 0; }
.credential-list li { position: relative; padding: 9px 0 9px 16px; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 12px; line-height: 1.6; }
.credential-list li::before { content: ""; position: absolute; top: 17px; left: 1px; width: 5px; height: 5px; border-radius: 50%; background: #83cabe; }

.works-section { width: 100%; max-width: none; padding-left: max(24px, calc((100vw - 1120px) / 2)); padding-right: max(24px, calc((100vw - 1120px) / 2)); background: #f1f6f4; }
.works-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.work-card { grid-column: span 2; min-height: 300px; padding: 34px 28px; background: white; border-top: 3px solid transparent; box-shadow: 0 10px 34px rgba(40,68,61,.06); transition: transform .25s ease, border-color .25s ease; }
.work-card:hover { transform: translateY(-5px); border-color: var(--green); }
.work-card.featured { grid-column: span 3; background: var(--green-dark); color: white; }
.work-card:nth-child(2) { grid-column: span 3; }
.work-number { font-family: var(--serif); font-size: 38px; color: #ccdcd8; margin-right: 12px; }
.featured .work-number { color: rgba(255,255,255,.35); }
.work-type { color: var(--green); font-size: 9px; letter-spacing: .18em; }
.featured .work-type { color: #9ed8cf; }
.work-card h3 { font-family: var(--serif); font-size: 21px; margin: 28px 0 18px; }
.work-card p { color: #66706d; font-size: 13px; }
.featured p { color: rgba(255,255,255,.72); }

.service-grid { display: grid; grid-template-columns: repeat(5, 1fr); border: 1px solid var(--line); }
.service-grid article { min-height: 290px; padding: 34px 24px; border-right: 1px solid var(--line); }
.service-grid article:last-child { border-right: 0; }
.service-icon { color: var(--green); font-family: var(--serif); font-size: 12px; border-bottom: 1px solid var(--green); padding-bottom: 5px; }
.service-grid h3 { font-family: var(--serif); font-size: 19px; margin: 42px 0 17px; }
.service-grid p { color: var(--muted); font-size: 12px; }
.related-skill { margin-top: 20px; display: flex; gap: 30px; align-items: center; padding: 25px 30px; background: var(--ivory); border-left: 3px solid var(--green); }
.related-skill > span { color: var(--green-dark); font-size: 9px; letter-spacing: .15em; white-space: nowrap; }
.related-skill h3, .related-skill p { margin: 0; }
.related-skill h3 { font-family: var(--serif); font-size: 17px; }
.related-skill p { color: var(--muted); font-size: 12px; }

.themes { padding-top: 20px; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 11px; }
.tag-cloud span { padding: 9px 18px; color: #4e625e; background: white; border: 1px solid #cbded9; border-radius: 999px; font-size: 12px; }

.values { display: grid; grid-template-columns: 1.08fr .92fr; min-height: 680px; background: #173b35; color: white; overflow: hidden; }
.values-image { background: linear-gradient(90deg, rgba(23,59,53,.03), #173b35 100%), url("assets/hero-editorial-v2.jpg") 60% center / cover no-repeat; min-height: 560px; }
.values-content { padding: clamp(70px, 9vw, 130px) clamp(34px, 8vw, 110px) clamp(70px, 9vw, 130px) clamp(30px, 5vw, 75px); }
.section-kicker.light { color: #9bd5ca; }
.values h2 { margin: 15px 0 35px; }
.values-content > p:not(.section-kicker) { color: rgba(255,255,255,.73); font-size: 14px; }
.value-points { display: grid; gap: 10px; margin-top: 35px; }
.value-points span { padding: 12px 0 12px 24px; border-top: 1px solid rgba(255,255,255,.15); font-size: 12px; position: relative; }
.value-points span::before { content: ""; width: 7px; height: 7px; border: 1px solid #78c6b9; border-radius: 50%; position: absolute; left: 2px; top: 20px; }

.voices { background: var(--paper); }
.voice-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.voice-card { padding: 32px; background: var(--ivory); border-radius: 3px; position: relative; }
.voice-card.wide { grid-row: span 2; }
.quote-mark { color: var(--green); font-family: Georgia, serif; font-size: 55px; line-height: .7; opacity: .5; }
.voice-card blockquote { margin: 22px 0 25px; color: #4a5552; font-family: var(--serif); font-size: 14px; line-height: 2; }
.voice-card p { color: var(--green-dark); font-size: 11px; font-weight: 700; margin: 0; border-top: 1px solid var(--line); padding-top: 15px; }

.process-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); }
.process-list li { padding: 26px 20px; border-top: 1px solid var(--line); position: relative; }
.process-list li::after { content: "→"; position: absolute; right: -6px; top: 31px; color: #9bb4ae; }
.process-list li:last-child::after { display: none; }
.process-list li > span { color: var(--green); font-family: var(--serif); font-size: 13px; }
.process-list h3 { font-family: var(--serif); font-size: 17px; margin: 25px 0 11px; }
.process-list p { color: var(--muted); font-size: 11px; }
.availability { margin-top: 38px; padding: 28px 34px; display: grid; grid-template-columns: auto auto 1fr; align-items: center; gap: 30px; background: var(--green-pale); }
.availability p { color: var(--green-dark); font-size: 9px; letter-spacing: .16em; margin: 0; }
.availability strong { font-family: var(--serif); font-size: 22px; }
.availability span { color: var(--muted); font-size: 12px; }

.faq { display: grid; grid-template-columns: .4fr .6fr; gap: 70px; }
.faq-list details { border-top: 1px solid var(--line); }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; list-style: none; padding: 23px 34px 23px 0; font-family: var(--serif); font-weight: 600; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--green); margin-right: 14px; }
.faq-list summary::after { content: "+"; position: absolute; right: 4px; color: var(--green); font: 400 24px/1 var(--sans); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { color: var(--muted); font-size: 13px; margin: -3px 0 25px; padding-left: 33px; }

.contact { padding: clamp(80px, 12vw, 150px) 24px; text-align: center; color: white; background: radial-gradient(circle at 20% 30%, rgba(105,204,188,.3), transparent 32%), linear-gradient(135deg, #0b796f, #169b8d); }
.contact-inner { max-width: 760px; margin: auto; }
.contact h2 { margin: 14px 0 26px; }
.contact p:not(.section-kicker) { color: rgba(255,255,255,.82); font-size: 14px; }
.button-light { margin-top: 24px; color: var(--green-dark); background: white; box-shadow: 0 15px 35px rgba(0,0,0,.14); }
.contact small { display: block; margin-top: 13px; color: rgba(255,255,255,.68); }

footer { min-height: 120px; padding: 28px max(24px, calc((100vw - 1120px) / 2)); display: flex; justify-content: space-between; align-items: center; background: #122c28; color: white; }
.footer-brand .brand-mark { background: rgba(255,255,255,.15); }
footer p { color: rgba(255,255,255,.5); margin: 0; font-size: 10px; }
.mobile-cta { display: none; }

@media (max-width: 980px) {
  .nav { display: none; }
  .hero-inner { grid-template-columns: 1.1fr .9fr; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .service-grid article { border-bottom: 1px solid var(--line); }
  .service-grid article:nth-child(even) { border-right: 0; }
  .service-grid article:last-child { grid-column: 1 / -1; }
  .process-list { grid-template-columns: 1fr 1fr; }
  .process-list li::after { display: none; }
  .availability { grid-template-columns: auto 1fr; }
  .availability span { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  html { scroll-padding-top: 70px; }
  body { padding-bottom: 72px; }
  .site-header { height: 68px; padding: 0 18px; }
  .header-cta { display: none; }
  .brand-mark { width: 34px; height: 34px; }
  .hero { min-height: auto; }
  .hero-art { background: linear-gradient(180deg, rgba(251,248,242,.9) 0%, rgba(251,248,242,.98) 62%), url("assets/hero-editorial-v2.jpg") 70% top / auto 70% no-repeat; opacity: .52; }
  .hero-inner { min-height: 0; width: min(100% - 36px, 520px); grid-template-columns: 1fr; padding: 58px 0 52px; gap: 42px; }
  .eyebrow { font-size: 10px; line-height: 1.6; }
  h1 { font-size: clamp(38px, 11vw, 52px); margin: 20px 0 25px; }
  .hero-lead { font-size: 16px; }
  .hero-note { font-size: 13px; }
  .hero-actions { display: grid; justify-items: start; gap: 20px; }
  .button-primary { width: 100%; padding-inline: 15px; font-size: 13px; }
  .profile-visual { width: 78%; justify-self: center; }
  .profile-visual figcaption { right: -12%; }
  .trust-strip { overflow: hidden; justify-content: flex-start; white-space: nowrap; padding-left: 18px; }
  .section { width: min(100% - 36px, 560px); padding: 85px 0; }
  .section-heading { margin-bottom: 36px; }
  .section-heading h2, .values h2, .contact h2 { font-size: 29px; }
  .heading-row { display: block; }
  .heading-row > p { margin-top: 18px; }
  .about-grid { grid-template-columns: 1fr; gap: 45px; }
  .credentials-card { box-shadow: 12px 12px 0 var(--green-pale); }
  .works-section { width: 100%; padding-left: 18px; padding-right: 18px; }
  .works-grid { grid-template-columns: 1fr; }
  .work-card, .work-card.featured, .work-card:nth-child(2) { grid-column: auto; min-height: 0; }
  .service-grid { grid-template-columns: 1fr; }
  .service-grid article, .service-grid article:nth-child(even), .service-grid article:last-child { grid-column: auto; border-right: 0; min-height: 0; }
  .service-grid h3 { margin-top: 24px; }
  .related-skill { align-items: flex-start; flex-direction: column; gap: 12px; }
  .values { grid-template-columns: 1fr; }
  .values-image { min-height: 330px; background: linear-gradient(0deg, #173b35 0%, rgba(23,59,53,0) 45%), url("assets/hero-editorial-v2.jpg") 62% center / cover no-repeat; }
  .values-content { padding: 40px 24px 80px; }
  .voice-grid { grid-template-columns: 1fr; }
  .voice-card.wide { grid-row: auto; }
  .voice-card { padding: 28px 23px; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li { display: grid; grid-template-columns: 44px 1fr; padding-inline: 0; }
  .process-list h3 { margin-top: 0; }
  .availability { grid-template-columns: 1fr; gap: 9px; padding: 24px; }
  .availability span { grid-column: auto; }
  .faq { display: block; }
  .faq .section-heading { margin-bottom: 24px; }
  .faq-list summary { font-size: 14px; padding-right: 28px; }
  .contact { padding-inline: 20px; }
  .button-light { width: 100%; padding-inline: 15px; font-size: 13px; }
  footer { justify-content: center; }
  footer > p { display: none; }
  .mobile-cta { display: block; position: fixed; z-index: 30; left: 12px; right: 12px; bottom: 10px; padding: 14px; color: white; background: var(--green); border-radius: 6px; text-align: center; font-weight: 700; font-size: 14px; box-shadow: 0 8px 28px rgba(14,85,77,.35); }
}

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