:root {
  --ink: #182723;
  --muted: #5c6965;
  --green: #163d34;
  --green-2: #205247;
  --line: #d9ddd9;
  --paper: #f5f3ed;
  --gold: #a47a36;
  --white: #fff;
  --serif: "Noto Serif JP", "Yu Mincho", serif;
  --sans: "Noto Sans JP", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: var(--sans); font-size: 16px; line-height: 1.8; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 200; padding: 10px 14px; color: var(--white); background: var(--green); }
.skip-link:focus { top: 12px; }
.notice { padding: 7px 20px; color: #f8f4e9; background: #0e2d27; text-align: center; font-size: .78rem; letter-spacing: .08em; }
.notice span { margin: 0 10px; color: #cdb47c; }

.site-header { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 28px; min-height: 78px; padding: 0 max(4vw, 22px); background: rgba(255,255,255,.97); border-bottom: 1px solid rgba(22,61,52,.12); backdrop-filter: blur(12px); }
.brand { display: inline-flex; align-items: center; gap: 11px; margin-right: auto; font: 700 1.25rem/1.25 var(--serif); letter-spacing: .1em; }
.brand small { display: block; margin-top: 3px; color: var(--muted); font: 500 .66rem/1.2 var(--sans); letter-spacing: .05em; }
.brand-mark { display: grid; place-items: center; width: 43px; height: 43px; color: var(--gold); border: 1px solid var(--gold); border-radius: 50%; font-size: 1.2rem; }
.site-header nav { display: flex; gap: 23px; font-size: .78rem; font-weight: 600; }
.site-header nav a { border-bottom: 1px solid transparent; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--green-2); border-color: currentColor; }
.header-cta { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; color: var(--white); background: #169c4b; font-size: .8rem; font-weight: 700; border-radius: 3px; }

.hero { position: relative; min-height: 680px; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(520px, .92fr); align-items: center; background: var(--paper); overflow: hidden; }
.hero-photo { grid-column: 2; grid-row: 1; align-self: stretch; min-height: 680px; background: linear-gradient(90deg, var(--paper) 0%, rgba(245,243,237,.05) 24%), url("assets/hero.webp") 58% center/cover no-repeat; }
.hero-copy { grid-column: 1; grid-row: 1; z-index: 2; width: min(720px, 88%); margin-left: max(5vw, 26px); padding: 80px 0 96px; }
.eyebrow { margin: 0 0 12px; color: var(--gold); font-size: .75rem; font-weight: 700; letter-spacing: .17em; }
.hero h1 { margin: 0; font: 600 clamp(2.55rem, 4.4vw, 4.5rem)/1.42 var(--serif); letter-spacing: .045em; }
.hero h1 em { color: var(--green-2); font-style: normal; }
.hero-lead { max-width: 610px; margin: 26px 0 18px; color: #374842; font-size: 1.05rem; line-height: 2; }
.hero-points { display: flex; flex-wrap: wrap; gap: 9px; margin: 0 0 28px; padding: 0; list-style: none; }
.hero-points li { padding: 5px 12px; background: var(--white); border: 1px solid #d8d3c8; font-size: .8rem; font-weight: 600; }
.hero-actions { display: flex; align-items: center; gap: 22px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 58px; padding: 0 28px; border-radius: 3px; font-weight: 700; letter-spacing: .02em; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-line { color: var(--white); background: #169c4b; box-shadow: 0 12px 28px rgba(16,106,54,.18); }
.button-line:hover { background: #128640; }
.text-link { color: var(--green); font-size: .86rem; font-weight: 700; text-decoration: underline; text-underline-offset: 5px; }
.microcopy { margin: 13px 0 0; color: var(--muted); font-size: .76rem; }
.price-card { position: absolute; right: 4vw; bottom: 32px; z-index: 3; width: min(360px, 34vw); padding: 25px 28px; background: rgba(255,255,255,.96); border-top: 4px solid var(--gold); box-shadow: 0 18px 55px rgba(0,0,0,.18); }
.price-card > p { margin: 0; color: var(--gold); font-size: .76rem; font-weight: 700; }
.price-card strong { display: block; color: var(--green); font: 700 2.35rem/1.35 var(--serif); }
.price-card strong small { margin-left: 5px; font: 600 .72rem var(--sans); }
.price-card ul { margin: 8px 0 12px; padding: 10px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); list-style: none; font-size: .78rem; }
.price-card li::before { content: "✓"; margin-right: 8px; color: var(--gold); font-weight: 700; }
.price-card > small { display: block; color: var(--muted); font-size: .67rem; line-height: 1.7; }

.trust-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-strip div { padding: 25px 18px; text-align: center; border-right: 1px solid var(--line); }
.trust-strip div:last-child { border-right: 0; }
.trust-strip strong, .trust-strip span { display: block; }
.trust-strip strong { color: var(--green); font-family: var(--serif); font-size: 1rem; }
.trust-strip span { margin-top: 3px; color: var(--muted); font-size: .71rem; }

.section { padding: 105px max(5vw, 24px); }
.section-heading { max-width: 890px; margin: 0 auto 48px; text-align: center; }
.section-heading.narrow { max-width: 740px; }
.section-heading h2, .work-copy h2, .operator h2, .final-cta h2 { margin: 0; font: 600 clamp(2rem, 3.4vw, 3.2rem)/1.52 var(--serif); letter-spacing: .045em; }
.section-heading > p:last-child { max-width: 680px; margin: 18px auto 0; color: var(--muted); }
.concerns { background: var(--white); }
.concern-grid { max-width: 1150px; margin: auto; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.concern-grid article { min-height: 230px; padding: 30px 25px; border-right: 1px solid var(--line); }
.concern-grid article:last-child { border-right: 0; }
.concern-grid span { color: var(--gold); font: 600 .78rem var(--serif); }
.concern-grid h3 { margin: 38px 0 12px; color: var(--green); font: 600 1.15rem var(--serif); }
.concern-grid p { margin: 0; color: var(--muted); font-size: .86rem; }
.section-note { max-width: 900px; margin: 35px auto 0; padding: 18px 22px; color: #3c4e48; background: var(--paper); border-left: 3px solid var(--gold); font-size: .88rem; text-align: center; }

.network { display: grid; grid-template-columns: 1fr 1.2fr; gap: 70px; padding: 92px max(7vw, 28px); color: #e9f0ed; background: #102f29; }
.network-intro h2 { margin: 0; color: var(--white); font: 600 clamp(2rem, 3.2vw, 3.05rem)/1.55 var(--serif); letter-spacing: .04em; }
.network-intro > p:last-child { max-width: 650px; color: #bfd0ca; }
.network-points { display: grid; grid-template-columns: repeat(3, 1fr); align-self: center; border-top: 1px solid rgba(255,255,255,.22); border-bottom: 1px solid rgba(255,255,255,.22); }
.network-points article { padding: 27px 22px; border-right: 1px solid rgba(255,255,255,.18); }
.network-points article:last-child { border-right: 0; }
.network-points span { color: #d8bc78; font: 600 .8rem var(--serif); }
.network-points h3 { margin: 36px 0 10px; color: var(--white); font: 600 1.04rem var(--serif); }
.network-points p { margin: 0; color: #b9cbc5; font-size: .78rem; }

.work-story { display: grid; grid-template-columns: 1.05fr .95fr; min-height: 690px; background: var(--green); }
.work-image { position: relative; min-height: 610px; overflow: hidden; }
.work-image img { width: 100%; height: 100%; object-fit: cover; }
.work-image span { position: absolute; left: 20px; bottom: 18px; padding: 4px 9px; color: #fff; background: rgba(0,0,0,.55); font-size: .66rem; }
.work-copy { padding: 80px max(6vw, 38px); color: #e7efec; }
.work-copy h2 { color: var(--white); }
.work-copy > p:not(.eyebrow) { color: #cbdad5; }
.work-list { margin: 34px 0 0; padding: 0; border-top: 1px solid rgba(255,255,255,.2); list-style: none; }
.work-list li { display: grid; grid-template-columns: 46px 1fr; gap: 12px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.work-list li > span { color: #d5b875; font: 600 .8rem var(--serif); }
.work-list strong, .work-list small { display: block; }
.work-list strong { color: var(--white); font-family: var(--serif); }
.work-list small { margin-top: 4px; color: #b9cbc5; font-size: .76rem; }

.case { background: var(--paper); }
.comparison { max-width: 1220px; margin: auto; }
.comparison figure { position: relative; margin: 0; background: #d8d8d4; overflow: hidden; }
.comparison img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.comparison figcaption { position: absolute; left: 16px; bottom: 15px; display: flex; align-items: center; gap: 10px; padding: 8px 12px; color: var(--white); background: rgba(14,45,39,.88); }
.comparison .after-caption { left: calc(50% + 16px); }
.comparison figcaption b { color: #dec581; font-size: .78rem; letter-spacing: .1em; }
.comparison figcaption span { font-size: .7rem; }
.report-box { max-width: 1220px; margin: 16px auto 0; display: grid; grid-template-columns: 1.35fr .65fr; gap: 40px; padding: 24px 28px; background: var(--white); border: 1px solid #ddd9ce; }
.report-box strong { font-family: var(--serif); }
.report-box p { margin: 5px 0 0; color: var(--muted); font-size: .78rem; }

.request-cases { background: var(--white); }
.request-case-grid { max-width: 1120px; margin: auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.request-case-grid article { padding: 31px 28px; background: var(--paper); border-top: 3px solid var(--gold); }
.request-case-grid span { color: var(--gold); font-size: .73rem; font-weight: 700; letter-spacing: .08em; }
.request-case-grid h3 { margin: 18px 0 12px; color: var(--green); font: 600 1.17rem/1.55 var(--serif); }
.request-case-grid p { margin: 0; color: var(--muted); font-size: .84rem; }

.pricing { background: var(--white); }
.main-plan { max-width: 1050px; margin: auto; display: grid; grid-template-columns: .75fr 1.25fr; border: 1px solid #d4d9d5; box-shadow: 0 18px 50px rgba(18,50,43,.08); }
.plan-summary { display: flex; flex-direction: column; justify-content: center; padding: 45px; color: var(--white); background: var(--green); }
.plan-summary > p { margin: 0; color: #dbc080; font-family: var(--serif); }
.plan-summary > strong { margin: 8px 0; font: 700 3rem/1.35 var(--serif); }
.plan-summary > strong small { display: block; font: 500 .8rem var(--sans); }
.plan-summary > span { align-self: flex-start; padding: 3px 9px; color: var(--green); background: var(--white); font-size: .7rem; font-weight: 700; }
.plan-detail { padding: 43px 48px; }
.plan-detail h3 { margin: 0 0 12px; font: 600 1.25rem var(--serif); }
.plan-detail ul { display: grid; grid-template-columns: 1fr 1fr; gap: 7px 18px; padding: 0; list-style: none; font-size: .85rem; }
.plan-detail li::before { content: "✓"; margin-right: 8px; color: var(--gold); font-weight: 700; }
.plan-condition { padding-top: 14px; color: var(--muted); border-top: 1px solid var(--line); font-size: .72rem; }
.plan-detail .button { margin-top: 12px; }
.options { max-width: 1050px; margin: 24px auto 0; border: 1px solid var(--line); }
.options summary { padding: 18px 22px; color: var(--green); background: var(--paper); cursor: pointer; font-weight: 700; text-align: center; }
.options[open] summary { border-bottom: 1px solid var(--line); }
.option-table { display: grid; grid-template-columns: 1fr 1fr; }
.option-table div { display: flex; justify-content: space-between; gap: 14px; padding: 15px 18px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: .76rem; }
.option-table div:nth-child(even) { border-right: 0; }
.option-table b { font-family: var(--serif); }
.option-table span { color: var(--muted); text-align: right; }
.options > p { margin: 0; padding: 17px 22px; color: var(--muted); font-size: .72rem; }

.flow { padding: 105px max(5vw, 24px); color: #dce7e3; background: #102f29; }
.section-heading.light h2 { color: var(--white); }
.section-heading.light > p:last-child { color: #bbcbc5; }
.flow-grid { max-width: 1160px; margin: auto; display: grid; grid-template-columns: repeat(4, 1fr); padding: 0; list-style: none; }
.flow-grid li { min-height: 235px; padding: 26px 24px; border-top: 1px solid rgba(255,255,255,.25); border-bottom: 1px solid rgba(255,255,255,.25); border-right: 1px solid rgba(255,255,255,.18); }
.flow-grid li:first-child { border-left: 1px solid rgba(255,255,255,.18); }
.flow-grid span { color: #d8bc78; font: 600 .8rem var(--serif); }
.flow-grid h3 { margin: 48px 0 12px; color: var(--white); font: 600 1.1rem var(--serif); }
.flow-grid p { margin: 0; color: #b9cbc5; font-size: .78rem; }
.flow-cta { max-width: 1160px; margin: 26px auto 0; display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 24px 28px; background: rgba(255,255,255,.07); }
.flow-cta p { margin: 0; }
.flow-cta strong, .flow-cta span { display: block; }
.flow-cta strong { color: var(--white); font-family: var(--serif); }
.flow-cta span { margin-top: 4px; color: #c6d3ce; font-size: .76rem; }

.operator { display: grid; grid-template-columns: 1.05fr .95fr; gap: 85px; background: var(--paper); }
.operator-message { max-width: 690px; margin-left: auto; }
.operator-message > p:not(.eyebrow):not(.signature) { color: #44544f; }
.signature { margin-top: 30px; text-align: right; font-size: .8rem; }
.signature strong { font: 600 1.35rem var(--serif); letter-spacing: .12em; }
.company-facts { align-self: start; margin: 0; padding: 28px 34px; background: var(--white); border-top: 4px solid var(--gold); box-shadow: 0 16px 45px rgba(18,50,43,.07); }
.company-facts div { display: grid; grid-template-columns: 90px 1fr; gap: 15px; padding: 15px 0; border-bottom: 1px solid var(--line); }
.company-facts div:last-child { border-bottom: 0; }
.company-facts dt { color: var(--muted); font-size: .74rem; }
.company-facts dd { margin: 0; font-size: .82rem; }
.company-facts small { color: var(--muted); }

.faq { background: var(--white); }
.faq-list { max-width: 900px; margin: auto; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 22px 48px 22px 9px; color: var(--green); cursor: pointer; font-weight: 700; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 12px; font-size: 1.4rem; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0 0 20px; padding: 20px 24px; color: var(--muted); background: var(--paper); font-size: .86rem; }

.final-cta { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 65px; padding: 90px max(8vw, 30px); color: var(--white); background: linear-gradient(105deg, rgba(8,39,32,.95), rgba(22,75,63,.9)), url("assets/hero.webp") center/cover; }
.final-cta h2 { color: var(--white); }
.final-cta > div > p:not(.eyebrow) { max-width: 700px; color: #d1dfda; }
.final-cta ul { display: flex; flex-wrap: wrap; gap: 18px; padding: 0; list-style: none; color: #d9c387; font-size: .76rem; }
.final-action { padding: 32px; background: rgba(255,255,255,.09); text-align: center; }
.button.large { width: 100%; min-height: 68px; font-size: 1.02rem; }
.final-action small { display: block; margin-top: 12px; color: #c5d4cf; font-size: .68rem; }

footer { padding: 55px 24px 92px; color: #9db1aa; background: #09231e; text-align: center; font-size: .72rem; }
.footer-brand { justify-content: center; margin: 0 auto 24px; color: var(--white); }
footer nav { display: flex; justify-content: center; gap: 22px; margin: 24px 0; }
footer nav a:hover { color: var(--white); }
.mobile-cta { display: none; }

@media (max-width: 1050px) {
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr .8fr; }
  .hero-copy { width: min(680px, 92%); }
  .price-card { width: 340px; max-width: 42vw; }
  .operator { gap: 45px; }
}

@media (max-width: 760px) {
  body { font-size: 16px; padding-bottom: 64px; }
  .notice { font-size: .69rem; }
  .site-header { min-height: 66px; padding: 0 15px; }
  .brand { font-size: 1.02rem; }
  .brand-mark { width: 38px; height: 38px; }
  .brand small { font-size: .58rem; }
  .header-cta { min-height: 39px; padding: 0 12px; font-size: .7rem; }
  .hero { min-height: 0; display: block; padding-bottom: 0; }
  .hero-photo { min-height: 300px; background: linear-gradient(0deg, var(--paper) 0%, rgba(245,243,237,0) 36%), url("assets/hero.webp") 62% center/cover no-repeat; }
  .hero-copy { width: auto; margin: -22px 20px 0; padding: 0 0 34px; }
  .hero h1 { font-size: clamp(2.15rem, 10.2vw, 3.2rem); line-height: 1.45; }
  .hero-lead { margin-top: 20px; font-size: .94rem; }
  .hero-actions { display: grid; gap: 14px; }
  .hero-actions .button { width: 100%; }
  .hero-actions .text-link { text-align: center; }
  .microcopy { text-align: center; }
  .price-card { position: relative; right: auto; bottom: auto; width: auto; max-width: none; margin: 0 16px 24px; box-shadow: 0 10px 35px rgba(18,50,43,.12); }
  .trust-strip { grid-template-columns: 1fr 1fr; }
  .trust-strip div { padding: 19px 9px; border-bottom: 1px solid var(--line); }
  .trust-strip div:nth-child(even) { border-right: 0; }
  .trust-strip strong { font-size: .85rem; }
  .section { padding: 72px 18px; }
  .section-heading { margin-bottom: 34px; text-align: left; }
  .section-heading h2, .work-copy h2, .operator h2, .final-cta h2 { font-size: clamp(1.75rem, 8vw, 2.35rem); }
  .section-heading > p:last-child { font-size: .88rem; }
  .concern-grid { grid-template-columns: 1fr 1fr; }
  .concern-grid article { min-height: 205px; padding: 22px 16px; border-bottom: 1px solid var(--line); }
  .concern-grid article:nth-child(even) { border-right: 0; }
  .concern-grid h3 { margin-top: 24px; font-size: 1rem; }
  .concern-grid p { font-size: .76rem; }
  .section-note { text-align: left; }
  .network { grid-template-columns: 1fr; gap: 34px; padding: 68px 18px; }
  .network-intro h2 { font-size: clamp(1.75rem, 8vw, 2.35rem); }
  .network-points { grid-template-columns: 1fr; }
  .network-points article { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .network-points article:last-child { border-bottom: 0; }
  .network-points h3 { margin-top: 20px; }
  .work-story { grid-template-columns: 1fr; }
  .work-image { min-height: 340px; }
  .work-copy { padding: 55px 20px 65px; }
  .comparison figcaption { left: 9px; bottom: 9px; }
  .comparison .after-caption { left: calc(50% + 9px); }
  .report-box { grid-template-columns: 1fr; gap: 14px; padding: 20px; }
  .request-case-grid { grid-template-columns: 1fr; }
  .main-plan { grid-template-columns: 1fr; }
  .plan-summary, .plan-detail { padding: 30px 22px; }
  .plan-summary > strong { font-size: 2.7rem; }
  .plan-detail ul { grid-template-columns: 1fr; }
  .plan-detail .button { width: 100%; }
  .option-table { grid-template-columns: 1fr; }
  .option-table div { display: grid; border-right: 0; }
  .option-table span { text-align: left; }
  .flow { padding: 72px 18px; }
  .flow-grid { grid-template-columns: 1fr 1fr; }
  .flow-grid li { min-height: 220px; padding: 21px 15px; }
  .flow-grid li:nth-child(odd) { border-left: 1px solid rgba(255,255,255,.18); }
  .flow-grid h3 { margin-top: 30px; font-size: .96rem; }
  .flow-cta { display: grid; padding: 22px 18px; }
  .flow-cta .button { width: 100%; }
  .operator { grid-template-columns: 1fr; gap: 35px; }
  .operator-message { margin: 0; }
  .company-facts { padding: 22px 19px; }
  .company-facts div { grid-template-columns: 75px 1fr; }
  .final-cta { grid-template-columns: 1fr; gap: 32px; padding: 70px 20px; }
  .final-cta ul { display: grid; gap: 4px; }
  .final-action { padding: 22px 15px; }
  footer { padding-bottom: 34px; }
  footer nav { flex-wrap: wrap; gap: 10px 18px; }
  .mobile-cta { position: fixed; z-index: 100; left: 0; right: 0; bottom: 0; display: block; padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.97); box-shadow: 0 -5px 20px rgba(0,0,0,.12); }
  .mobile-cta a { display: grid; place-items: center; min-height: 48px; color: var(--white); background: #169c4b; border-radius: 4px; font-weight: 700; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}