@charset "UTF-8";
:root {
  --bg: #faf8f5;
  --surface: #fcfdfb;
  --surface-warm: #fff9f3;
  --color-primary: #5b8a6e;
  --color-primary-deep: #4e7d62;
  --color-primary-light: #7eab8f;
  --color-primary-pale: #eaf4ee;
  --text-primary: #2d4a38;
  --color-accent: #e8956d;
  --color-accent-pale: #fdf0ea;
  --color-accent-deep: #d97e55;
  --btn-neutral-bg: #f0ece6;
  --btn-neutral-text: #6a6260;
  --btn-neutral-border: #ddd6cc;
  --btn-neutral-hover: #e6e0d8;
  --text: #161814;
  --text-haze: #7a7570;
  --border: #e8e2da;
  --border-primary: #c8e0d0;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.09);
  --radius: 16px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html {
  scroll-padding-top: 75px;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
}

/* ──── Header ──── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 24px;
  background: #8ab8a0;
  border-bottom: 1px solid #a8c8b4;
  box-shadow: var(--shadow);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 760px;
  height: 50px;
  margin: 0 auto;
}
.logo {
  width: auto;
  height: 32px;
}
nav {
  display: flex;
  gap: 20px;
}
nav a {
  font-size: 13px;
  font-weight: 500;
  color: #3a6050;
  text-decoration: none;
  transition: color 0.2s;
}
nav a:hover {
  color: #1e3a2a;
}

/* ──── Hero ──── */
.hero {
  position: relative;
  padding: 40px 16px 40px;
  overflow: hidden;
  text-align: center;
  background: linear-gradient(135deg, #e8f5ed 0%, #fef7f0 60%, #fff9f3 100%);
}
.hero::before {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  pointer-events: none;
  content: "";
  background: rgba(91, 138, 110, 0.07);
  border-radius: 50%;
}
.hero::after {
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 160px;
  height: 160px;
  pointer-events: none;
  content: "";
  background: rgba(232, 149, 109, 0.07);
  border-radius: 50%;
}
.hero h1 {
  margin-bottom: 16px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 30px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.06em;
}
.hero-desc {
  max-width: 540px;
  margin: 0 auto;
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-haze);
}

/* ──── Main layout ──── */
main {
  display: flex;
  flex-direction: column;
  gap: 40px;
  max-width: 760px;
  padding: 32px 20px 80px;
  margin: 0 auto;
}

/* ──── Section card ──── */
.section-card {
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.5s ease forwards;
}
.section-card:nth-child(1) {
  animation-delay: 0.05s;
}
.section-card:nth-child(2) {
  animation-delay: 0.15s;
}
.section-card:nth-child(3) {
  animation-delay: 0.25s;
}
.section-card:nth-child(4) {
  animation-delay: 0s;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-header {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 20px 28px;
  background: var(--color-primary-pale);
  border-bottom: 1px solid var(--border-primary);
}
.section-icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: 18px;
  border-radius: 50%;
}

.icon {
  font-size: 18px;
}

.icon-green {
  background: #fff;
  border: 1px solid var(--border-primary);
}
.icon-orange {
  background: #fff;
  border: 1px solid var(--border-primary);
}

.section-header h2 {
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.section-body {
  padding: 24px 28px;
}

/* ──── About block ──── */
.about-text {
  margin-bottom: 16px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text);
}
.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}
.tag {
  padding: 4px 12px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-pale);
  border-radius: 20px;
}
.notice-box {
  padding: 12px 16px;
  margin-top: 12px;
  font-size: 13.5px;
  color: #7a4f30;
  background: var(--color-accent-pale);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius);
}
.notice-box a {
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
}
.notice-box a:hover {
  text-decoration: underline;
}
.free-badge {
  display: inline-block;
  padding: 2px 10px;
  margin-right: 4px;
  font-size: 12px;
  font-weight: 700;
  vertical-align: middle;
  color: #fff;
  background: var(--color-primary);
  border-radius: 20px;
}

/* ──── Steps ──── */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  position: relative;
  display: flex;
  gap: 16px;
}
.step:not(:last-child)::before {
  position: absolute;
  top: 40px;
  bottom: 0;
  left: 19px;
  width: 2px;
  content: "";
  background: var(--border);
}

.step-num {
  position: relative;
  z-index: 1;
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 15px;
  font-weight: 700;
  border-radius: 50%;
}
.step-num-green {
  color: #fff;
  background: var(--color-primary);
}
.step-num-orange {
  color: #fff;
  background: var(--color-accent);
}

.step-content {
  flex: 1;
  padding: 8px 0 24px;
}
.step:last-child .step-content {
  padding-bottom: 0;
}

.step-title {
  margin-bottom: 4px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text);
}
.step-desc {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-haze);
}
.step-desc strong {
  font-weight: 600;
  color: var(--text);
}

/* ──── Info box ──── */
.info-box {
  padding: 16px 18px;
  margin-top: 20px;
  background: #f5f9f6;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.info-box-title {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
}
.info-box p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-haze);
}
.info-box a {
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}
.info-box a:hover {
  text-decoration: underline;
}

/* ──── Search tip ──── */
.search-tip {
  padding: 14px 18px;
  margin-bottom: 20px;
  background: var(--color-primary-pale);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
}
.search-tip-title {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
}
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}
.filter-tag {
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background: #fff;
  border: 1px solid var(--border-primary);
  border-radius: 16px;
}
.search-example {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-haze);
}
.keyword {
  padding: 1px 6px;
  font-weight: 700;
  color: #c8693f;
  background: #fff3ec;
  border-radius: 4px;
}

/* ──── ボタン ──── */
.btn-cta {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 14px 32px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.04em;
  text-decoration: none;
  cursor: pointer;
  background: var(--color-accent);
  border: none;
  border-radius: 50px;
  box-shadow: 0 4px 16px rgba(232, 149, 109, 0.35);
  transition:
    background 0.18s,
    transform 0.18s,
    box-shadow 0.18s;
}
.btn-cta:hover {
  background: var(--color-accent-deep);
  box-shadow: 0 8px 24px rgba(232, 149, 109, 0.4);
  transform: translateY(-2px);
}

/* ──── Jump nav ──── */
.jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 760px;
  margin: -22px auto 25px;
  animation: fadeUp 0.5s ease 0.02s both;
}
.jump-btn {
  display: inline-flex;
  gap: 7px;
  align-items: center;
  min-width: 200px;
  padding: 10px 20px;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 50px;
  box-shadow: var(--shadow);
  transition:
    transform 0.18s,
    box-shadow 0.18s,
    background 0.18s;
}
.jump-btn:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.jump-btn-green {
  color: #fff;
  background: var(--color-primary);
}
.jump-btn-green:hover {
  background: var(--color-primary-deep);
}
.jump-btn-orange {
  color: #fff;
  background: var(--color-accent);
}
.jump-btn-orange:hover {
  background: var(--color-accent-deep);
}
.jump-btn-arrow {
  flex-grow: 2;
  font-size: 12px;
  text-align: right;
  opacity: 0.85;
}

.jump-btn-faq {
  color: var(--text);
  background: var(--surface);
  border: 1.5px solid var(--border);
}
.jump-btn-faq:hover {
  background: var(--bg);
}

/* ──── CTA section ──── */
.cta-section {
  position: relative;
  padding: 40px 28px;
  overflow: hidden;
  text-align: center;
  background: linear-gradient(135deg, #e8f5ed 0%, #fef7f0 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.5s ease 0.35s forwards;
}
.cta-section::before {
  position: absolute;
  top: -50px;
  right: -50px;
  width: 180px;
  height: 180px;
  pointer-events: none;
  content: "";
  background: rgba(91, 138, 110, 0.07);
  border-radius: 50%;
}
.cta-section::after {
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 140px;
  height: 140px;
  pointer-events: none;
  content: "";
  background: rgba(232, 149, 109, 0.07);
  border-radius: 50%;
}
.cta-emoji {
  display: block;
  margin-bottom: 12px;
  font-size: 32px;
}
.cta-title {
  margin-bottom: 8px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.04em;
}
.cta-desc {
  margin-bottom: 24px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-haze);
}
.cta-btn {
  position: relative;
  z-index: 1;
}
.cta-note {
  position: relative;
  z-index: 1;
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-haze);
}

/* ──── Divider ──── */
.section-divider {
  height: 1px;
  margin: 20px 0;
  background: var(--border);
}

/* ──── FAQ ──── */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.faq-item {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: box-shadow 0.2s;
}
.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-question {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  width: 100%;
  padding: 16px 18px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  transition: background 0.15s;
}
.faq-question:hover {
  background: var(--bg);
}
.faq-item.open .faq-question {
  background: var(--color-primary-pale);
}

.faq-q-badge {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: var(--color-primary);
  border-radius: 50%;
}
.faq-item.open .faq-q-badge {
  background: var(--color-primary);
}

.faq-q-text {
  flex: 1;
}

.faq-chevron {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  font-size: 11px;
  color: var(--color-primary);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.open .faq-answer {
  max-height: 400px;
}

.faq-answer-inner {
  display: flex;
  gap: 12px;
  padding: 0 18px 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.faq-a-badge {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-accent);
  background: var(--color-accent-pale);
  border-radius: 50%;
}
.faq-a-text {
  flex: 1;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--text-haze);
}
.faq-a-text a {
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}
.faq-a-text a:hover {
  text-decoration: underline;
}

/* ──── Footer ──── */
footer {
  padding: 36px 24px;
  font-size: 12.5px;
  color: #b8b0a8;
  text-align: center;
  background: #2d2926;
}

.copyright {
  margin-top: 8px;
  font-size: 12px;
  color: #6a6260;
}

/* ──── Responsive ──── */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 24px;
  }
  .section-header {
    padding: 16px 18px;
  }
  .section-body {
    padding: 18px 18px;
  }
  .jump-nav {
    flex-direction: column;
    align-items: center;
    margin: -22px auto 15px;
  }
  .jump-btn {
    width: 260px;
  }
}