@charset "UTF-8";

:root {
  --primary: #0c4f4a;
  --primary-dark: #073c38;
  --primary-soft: #dcece8;
  --mint: #a9d8cc;
  --beige: #f8f6f2;
  --white: #ffffff;
  --text: #263634;
  --muted: #667471;
  --border: #dfe8e5;
  --gold: #b89559;
  --shadow: 0 20px 60px rgba(12, 79, 74, 0.09);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 32px;
  --container: 1200px;
  --header-height: 82px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.035em;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

img, svg { max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin-top: 0; }
p:last-child { margin-bottom: 0; }

.skip-link {
  position: fixed; left: 16px; top: -100px; z-index: 9999;
  padding: 10px 16px; background: var(--primary); color: #fff;
}
.skip-link:focus { top: 12px; }

.container { width: min(calc(100% - 64px), var(--container)); margin-inline: auto; }

.header {
  position: sticky; top: 0; z-index: 1000;
  height: var(--header-height);
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(12,79,74,.08);
  backdrop-filter: blur(16px);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 32px; }

.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--primary); font-weight: 800; }
.brand-name { font-size: 22px; letter-spacing: .14em; }

.global-nav { display: flex; align-items: center; gap: 28px; }
.global-nav ul { display: flex; align-items: center; gap: 26px; }
.global-nav a { font-size: 14px; font-weight: 700; }
.global-nav ul a { position: relative; }
.global-nav ul a::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: -7px;
  height: 1px; background: var(--primary); transition: right .25s ease;
}
.global-nav ul a:hover::after { right: 0; }

.menu-button { display: none; border: 0; background: transparent; padding: 8px; }
.menu-button span { display: block; width: 26px; height: 2px; margin: 6px 0; background: var(--primary); transition: .25s; }

.btn {
  min-height: 56px; padding: 14px 30px; border: 1px solid transparent; border-radius: 999px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 800; letter-spacing: .04em; transition: transform .2s, opacity .2s, background .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-secondary { background: #fff; color: var(--primary); border-color: var(--primary); }
.btn-header { min-height: 46px; padding: 10px 22px; }
.btn-light { background: #fff; color: var(--primary); }
.btn-outline-light { color: #fff; border-color: rgba(255,255,255,.55); }
.btn-submit { width: 100%; margin-top: 12px; border: 0; }

.hero { position: relative; overflow: hidden; padding: 108px 0 72px; }
.hero::before {
  content: ""; position: absolute; width: 620px; height: 620px; border-radius: 50%;
  right: -220px; top: -230px; background: radial-gradient(circle, rgba(169,216,204,.28), rgba(169,216,204,0) 68%);
}
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 72px; align-items: center; }
.eyebrow, .section-index {
  color: var(--primary); font-size: 12px; font-weight: 800; letter-spacing: .2em; text-transform: uppercase;
}
.hero h1 { margin-bottom: 24px; font-size: clamp(48px, 5.1vw, 76px); line-height: 1.18; letter-spacing: -.035em; color: var(--primary-dark); }
.hero h1 span { color: var(--primary); }
.hero-lead { margin-bottom: 10px; font-size: 22px; font-weight: 800; }
.hero-description { margin-bottom: 34px; font-size: 17px; color: var(--muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-actions .btn { min-width: 210px; }

.hero-visual { position: relative; min-height: 500px; }
.hero-core {
  position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%);
  width: 225px; height: 225px; border-radius: 50%; background: var(--primary);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #fff; box-shadow: 0 30px 80px rgba(12,79,74,.28); z-index: 3;
}
.hero-core strong { font-size: 38px; letter-spacing: .12em; }
.core-small { font-size: 11px; letter-spacing: .18em; opacity: .75; }
.orbit {
  position: absolute; width: 138px; height: 138px; border-radius: 50%;
  display: grid; place-items: center; background: rgba(255,255,255,.92); color: var(--primary);
  font-weight: 800; border: 1px solid var(--border); box-shadow: var(--shadow);
}
.orbit::after { content: ""; position: absolute; width: 84px; height: 1px; background: var(--mint); z-index: -1; }
.orbit-company { top: 10px; left: 50%; transform: translateX(-50%); }
.orbit-company::after { transform: rotate(90deg); top: 164px; }
.orbit-home { right: 0; top: 50%; transform: translateY(-50%); }
.orbit-home::after { right: 136px; }
.orbit-worker { bottom: 0; left: 50%; transform: translateX(-50%); }
.orbit-worker::after { transform: rotate(90deg); bottom: 164px; }
.orbit-family { left: 0; top: 50%; transform: translateY(-50%); }
.orbit-family::after { left: 136px; }

.hero-points {
  margin-top: 70px; display: grid; grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: #fff;
}
.hero-points li { padding: 24px; text-align: center; }
.hero-points li + li { border-left: 1px solid var(--border); }
.hero-points strong { display: block; color: var(--primary); font-size: 22px; line-height: 1.3; }
.hero-points span { display: block; margin-top: 7px; color: var(--muted); font-size: 12px; }

.section { padding: 150px 0; }
.section-tint { background: var(--beige); }
.section-heading { max-width: 820px; margin-bottom: 64px; }
.section-heading-center { margin-inline: auto; text-align: center; }
.section-heading h2, .cost-panel h2, .area-panel h2, .final-cta h2 {
  margin-bottom: 24px; color: var(--primary-dark); font-size: clamp(36px, 4vw, 54px);
  line-height: 1.3; letter-spacing: -.025em;
}
.section-heading > p:last-child { color: var(--muted); font-size: 17px; }
.section-index { margin-bottom: 18px; }
.section-index-light { color: var(--mint); }

.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.problem-card, .feature-card, .reason-card {
  padding: 34px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
}
.problem-card span, .reason-card span { display: inline-block; margin-bottom: 28px; color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.problem-card h3, .feature-card h3, .reason-card h3 { margin-bottom: 12px; color: var(--primary-dark); font-size: 21px; line-height: 1.5; }
.problem-card p, .feature-card p, .reason-card p { color: var(--muted); font-size: 14px; }
.section-conclusion { margin: 56px auto 0; text-align: center; font-size: 20px; line-height: 2; }

.three-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card { min-height: 280px; }
.icon-circle, .line-icon {
  width: 64px; height: 64px; margin-bottom: 30px; border-radius: 50%;
  display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); font-weight: 800;
}
.line-icon { font-size: 26px; }

.how-diagram { display: grid; grid-template-columns: 1fr auto 1.15fr auto 1fr; gap: 18px; align-items: stretch; }
.how-node {
  min-height: 240px; padding: 34px; display: flex; flex-direction: column; justify-content: center;
  text-align: center; background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
}
.how-node-main { background: var(--primary); color: #fff; border-color: var(--primary); box-shadow: var(--shadow); }
.how-node h3 { margin-bottom: 12px; font-size: 28px; color: var(--primary); }
.how-node-main h3 { color: #fff; }
.how-node p { margin: 0; color: var(--muted); font-size: 14px; }
.how-node-main p { color: rgba(255,255,255,.78); }
.node-label { margin-bottom: 16px; color: var(--gold); font-size: 11px; font-weight: 800; letter-spacing: .16em; }
.how-arrow { display: grid; place-items: center; color: var(--mint); font-size: 30px; }
.outcome-flow {
  margin-top: 32px; padding: 25px; display: flex; align-items: center; justify-content: center; gap: 20px;
  border-radius: var(--radius); background: var(--beige); color: var(--primary);
}
.outcome-flow i { color: var(--mint); font-style: normal; }
.outcome-flow strong { font-size: 18px; }

.comparison { overflow: hidden; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.comparison-head, .comparison-row { display: grid; grid-template-columns: 1fr 60px 1fr; align-items: center; }
.comparison-head { background: var(--primary); color: #fff; font-weight: 800; }
.comparison-head span:first-child { grid-column: 1 / 2; }
.comparison-head span:last-child { grid-column: 3 / 4; }
.comparison-head span, .comparison-row p { margin: 0; padding: 22px 28px; }
.comparison-row + .comparison-row { border-top: 1px solid var(--border); }
.comparison-row i { color: var(--mint); text-align: center; font-style: normal; font-size: 24px; }
.comparison-row p:last-child { color: var(--primary); font-weight: 800; }

.timeline { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.timeline::before { content: ""; position: absolute; left: 8%; right: 8%; top: 40px; height: 1px; background: var(--mint); }
.timeline article { position: relative; padding: 0 12px; text-align: center; }
.timeline article span {
  position: relative; z-index: 2; width: 80px; height: 80px; margin: 0 auto 24px;
  border-radius: 50%; display: grid; place-items: center; background: #fff; color: var(--primary);
  border: 1px solid var(--mint); font-weight: 800;
}
.timeline h3 { color: var(--primary-dark); font-size: 18px; }
.timeline p { color: var(--muted); font-size: 13px; }

.family-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.check-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.check-list li { padding: 8px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--border); font-size: 13px; }
.family-visual { position: relative; min-height: 480px; }
.family-center, .family-member {
  position: absolute; border-radius: 50%; display: grid; place-items: center; text-align: center;
  border: 1px solid var(--border); box-shadow: var(--shadow);
}
.family-center { inset: 50% auto auto 50%; transform: translate(-50%, -50%); width: 150px; height: 150px; background: var(--primary); color: #fff; font-weight: 800; font-size: 22px; z-index: 2; }
.family-member { width: 100px; height: 100px; background: #fff; color: var(--primary); font-weight: 700; font-size: 13px; }
.m1 { top: 0; left: 50%; transform: translateX(-50%); }
.m2 { top: 18%; right: 4%; }
.m3 { bottom: 18%; right: 4%; }
.m4 { bottom: 0; left: 50%; transform: translateX(-50%); }
.m5 { bottom: 18%; left: 4%; }
.m6 { top: 18%; left: 4%; }

.cost-panel {
  padding: 58px; display: grid; grid-template-columns: 1.2fr .65fr .8fr; gap: 42px; align-items: center;
  background: var(--primary); color: #fff; border-radius: var(--radius-lg);
}
.cost-panel h2 { color: #fff; }
.cost-panel p { color: rgba(255,255,255,.72); }
.cost-zero { text-align: center; white-space: nowrap; }
.cost-zero strong { font-size: 132px; line-height: 1; letter-spacing: -.07em; }
.cost-zero span { font-size: 24px; font-weight: 800; }
.cost-details li { padding: 12px 0; display: flex; justify-content: space-between; gap: 18px; border-bottom: 1px solid rgba(255,255,255,.2); }
.note { margin: 18px 0 0; color: var(--muted); font-size: 12px; }

.reason-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.area-panel {
  padding: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 30px 70px; align-items: center;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
}
.area-tags { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.area-tags span { padding: 18px; text-align: center; background: var(--primary-soft); color: var(--primary); border-radius: var(--radius-sm); font-weight: 800; }
.area-note { grid-column: 1 / -1; margin: 0; padding-top: 24px; border-top: 1px solid var(--border); color: var(--muted); }

.flow-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.flow-list li { padding: 28px 22px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.flow-list li > span { display: block; margin-bottom: 32px; color: var(--gold); font-size: 14px; font-weight: 800; }
.flow-list h3 { color: var(--primary); font-size: 18px; }
.flow-list p { color: var(--muted); font-size: 13px; }

.faq-container { max-width: 960px; }
.faq-list { border-top: 1px solid var(--border); }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
  position: relative; padding: 28px 58px 28px 0; cursor: pointer; list-style: none; color: var(--primary-dark); font-weight: 800;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before, .faq-item summary::after {
  content: ""; position: absolute; right: 10px; top: 50%; width: 18px; height: 2px; background: var(--primary); transition: transform .2s;
}
.faq-item summary::after { transform: rotate(90deg); }
.faq-item[open] summary::after { transform: rotate(0); }
.faq-item div { padding: 0 58px 28px 0; color: var(--muted); }

.final-cta { padding: 130px 0; text-align: center; background: var(--primary); color: #fff; }
.final-cta h2 { color: #fff; }
.final-message { margin-bottom: 10px; color: var(--mint); font-size: 22px; font-weight: 800; }
.hero-actions-center { justify-content: center; margin-top: 34px; }

.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.contact-points { margin-top: 28px; }
.contact-points li { position: relative; padding-left: 24px; margin: 8px 0; }
.contact-points li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 900; }

.contact-form { padding: 44px; border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.form-row { margin-bottom: 22px; }
.form-row label { display: block; margin-bottom: 8px; font-weight: 800; font-size: 14px; }
.form-row em { margin-left: 6px; padding: 2px 7px; border-radius: 5px; background: var(--primary); color: #fff; font-size: 10px; font-style: normal; }
.form-row label span { color: var(--muted); font-size: 11px; font-weight: 400; }
input, select, textarea {
  width: 100%; border: 1px solid #cfdad7; border-radius: var(--radius-sm); padding: 14px 16px;
  background: #fff; color: var(--text); outline: none; transition: border-color .2s, box-shadow .2s;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(12,79,74,.1); }
textarea { resize: vertical; }
.is-invalid { border-color: #a33b3b; }
.form-error { min-height: 1.4em; margin: 5px 0 0; color: #a33b3b; font-size: 11px; }
.privacy-check { display: flex; align-items: flex-start; gap: 10px; margin: 8px 0; font-size: 13px; }
.privacy-check input { width: auto; margin-top: 7px; }
.privacy-check a { color: var(--primary); text-decoration: underline; }

.sticky-cta {
  position: fixed; right: 22px; bottom: 22px; z-index: 800; width: 116px; height: 116px;
  border-radius: 50%; display: grid; place-items: center; background: var(--primary); color: #fff;
  font-weight: 800; box-shadow: 0 15px 42px rgba(12,79,74,.28); transition: .2s;
}
.sticky-cta:hover { transform: translateY(-3px); }

.footer { padding: 80px 0 30px; background: var(--primary-dark); color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 50px; }
.brand-footer { color: #fff; }
.footer p { color: rgba(255,255,255,.6); }
.footer nav { display: flex; flex-direction: column; gap: 12px; }
.footer nav a { color: rgba(255,255,255,.72); font-size: 14px; }
.footer-bottom { margin-top: 54px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.15); color: rgba(255,255,255,.45); }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .55s ease, transform .55s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }


/* Form utility */
.honeypot { position: absolute !important; left: -9999px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.form-status { display: none; margin-bottom: 22px; padding: 14px 16px; border-radius: var(--radius-sm); font-size: 13px; }
.form-status.is-error { display: block; color: #8b2d2d; background: #fff1f1; border: 1px solid #e9bcbc; }
.form-status.is-success { display: block; color: var(--primary-dark); background: var(--primary-soft); border: 1px solid var(--mint); }