:root {
  --green: #1f5a4a;
  --green-dark: #153f35;
  --green-soft: #ddebe5;
  --cream: #f7f4ed;
  --white: #ffffff;
  --ink: #333333;
  --muted: #626a66;
  --orange: #e56b2f;
  --orange-dark: #bd4f1c;
  --line: #d8ded9;
  --shadow: 0 14px 34px rgba(31, 90, 74, 0.12);
  --radius: 18px;
  --content: 1120px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.8;
  padding-bottom: 82px;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--green); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
button, input, select, textarea { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 1000;
  left: 12px;
  top: -80px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--green-dark);
}
.skip-link:focus { top: 12px; }

.container {
  width: min(calc(100% - 40px), var(--content));
  margin-inline: auto;
}

.narrow { width: min(100%, 760px); }
.section { padding-block: 64px; }
.section--cream { background: var(--cream); }
.section--soft { background: var(--green-soft); }
.section--green { color: var(--white); background: var(--green); }
.section--green a { color: var(--white); }

.eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.section--green .eyebrow { color: #d6efe5; }

h1, h2, h3 {
  margin-top: 0;
  color: var(--green-dark);
  line-height: 1.35;
  letter-spacing: 0.01em;
}
h1 { font-size: clamp(2rem, 7vw, 3.3rem); }
h2 { font-size: clamp(1.6rem, 5vw, 2.3rem); margin-bottom: 24px; }
h3 { font-size: 1.25rem; }
.section--green h1, .section--green h2, .section--green h3 { color: var(--white); }

.lead { font-size: 1.08rem; }
.small { font-size: 0.92rem; }
.muted { color: var(--muted); }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { color: var(--green-dark); text-decoration: none; line-height: 1.25; }
.brand strong { display: block; font-size: 1.02rem; }
.brand span { display: block; font-size: 0.75rem; color: var(--muted); }
.nav-toggle {
  min-width: 48px;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--white);
  color: var(--green-dark);
  font-weight: 800;
}
.site-nav {
  position: absolute;
  inset: 76px 0 auto;
  padding: 16px 20px 24px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.site-nav ul { margin: 0; padding: 0; list-style: none; }
.site-nav a {
  display: block;
  padding: 12px 8px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
}
.site-nav a[aria-current="page"] { color: var(--green); }

.hero {
  overflow: hidden;
  padding-block: 48px 56px;
  background:
    radial-gradient(circle at 90% 15%, rgba(221, 235, 229, 0.9), transparent 32%),
    var(--cream);
}
.hero-grid { display: grid; gap: 34px; align-items: center; }
.hero-copy p { max-width: 700px; }
.hero-card {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero-card img { width: 100%; height: auto; }
.hero-note {
  margin-top: 12px;
  padding: 12px 14px;
  border-left: 4px solid var(--green);
  background: var(--green-soft);
  font-size: 0.92rem;
}

.badge-list, .button-row, .icon-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.badge {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 0.88rem;
  font-weight: 800;
}

.button-row { margin-top: 26px; }
.button {
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 20px;
  border: 2px solid transparent;
  border-radius: 12px;
  color: #1f1f1f;
  background: var(--orange);
  text-decoration: none;
  font-weight: 900;
  box-shadow: 0 8px 18px rgba(229, 107, 47, 0.24);
}
.button:hover { background: #ef7a3f; }
.button--outline {
  color: var(--green-dark);
  background: var(--white);
  border-color: var(--green);
  box-shadow: none;
}
.section--green .button--outline {
  color: var(--green-dark);
}
.section--green .button--outline:hover {
  color: #1f1f1f;
  background: #ef7a3f;
  border-color: #ef7a3f;
}
.button--dark { color: var(--white); background: var(--green-dark); box-shadow: none; }

.grid { display: grid; gap: 20px; }
.grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
.card {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(31, 90, 74, 0.07);
}
.card h3 { margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.card--quiet { box-shadow: none; }

.check-list { padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 32px; margin: 12px 0; }
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 900;
}
.section--green .check-list li::before { color: #d6efe5; }

.steps { counter-reset: step; padding: 0; list-style: none; }
.steps li {
  counter-increment: step;
  position: relative;
  padding: 18px 18px 18px 66px;
  margin-bottom: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 18px;
  top: 18px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--green);
  font-weight: 900;
}

.notice {
  padding: 18px 20px;
  border-left: 5px solid var(--orange);
  background: #fff4ec;
  border-radius: 0 12px 12px 0;
}
.notice--green { border-left-color: var(--green); background: var(--green-soft); }

details {
  margin-bottom: 12px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
}
summary { cursor: pointer; padding: 18px 20px; color: var(--green-dark); font-weight: 800; }
details > div { padding: 0 20px 20px; }

.page-hero { padding-block: 48px; background: var(--cream); }
.breadcrumb { margin: 0 0 16px; padding: 0; list-style: none; font-size: 0.9rem; }
.breadcrumb li { display: inline; }
.breadcrumb li + li::before { content: " / "; color: var(--muted); }

.form-grid { display: grid; gap: 20px; }
.field label, .field legend { display: block; margin-bottom: 7px; color: var(--green-dark); font-weight: 800; }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid #98a59f;
  border-radius: 10px;
  background: var(--white);
}
.field textarea { min-height: 180px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 3px solid rgba(229, 107, 47, 0.28);
  border-color: var(--orange-dark);
}
.required { color: #a03b16; font-size: 0.85rem; }
.checkbox { display: flex; gap: 10px; align-items: flex-start; }
.checkbox input { width: 22px; height: 22px; margin-top: 4px; }

.site-footer { padding-block: 48px 110px; color: #eef6f2; background: var(--green-dark); }
.footer-grid { display: grid; gap: 28px; }
.site-footer h2, .site-footer h3 { color: var(--white); }
.site-footer a { color: var(--white); }
.footer-links { margin: 0; padding: 0; list-style: none; }
.footer-links li { margin: 7px 0; }

.fixed-cta {
  position: fixed;
  z-index: 200;
  inset: auto 0 0;
  display: grid;
  grid-template-columns: 0.8fr 1.25fr 1fr;
  min-height: 74px;
  padding-bottom: env(safe-area-inset-bottom);
  background: var(--white);
  border-top: 1px solid var(--line);
  box-shadow: 0 -8px 22px rgba(0, 0, 0, 0.12);
}
.fixed-cta a {
  display: grid;
  place-items: center;
  padding: 8px 4px;
  color: var(--green-dark);
  text-align: center;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 900;
  border-right: 1px solid var(--line);
}
.fixed-cta a:nth-child(2) { color: var(--white); background: var(--green); }
.fixed-cta a:nth-child(3) { color: #1f1f1f; background: var(--orange); }

@media (min-width: 700px) {
  .section { padding-block: 82px; }
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .form-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .field--full { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
}

@media (min-width: 900px) {
  body { padding-bottom: 0; }
  .nav-toggle { display: none; }
  .site-nav { position: static; display: block !important; padding: 0; border: 0; box-shadow: none; }
  .site-nav ul { display: flex; align-items: center; gap: 4px; }
  .site-nav a { padding: 10px 11px; font-size: 0.9rem; }
  .hero { padding-block: 80px; }
  .hero-grid { grid-template-columns: 1.15fr 0.85fr; gap: 56px; }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .fixed-cta { display: none; }
  .site-footer { padding-bottom: 48px; }
}

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