:root {
  --color-ink: #22312a;
  --color-muted: #64736b;
  --color-green: #2f8b68;
  --color-green-dark: #1f6f51;
  --color-green-soft: #e8f5ed;
  --color-mint: #dff2e7;
  --color-cream: #fff7e6;
  --color-cream-deep: #f8e8bd;
  --color-orange: #e9823f;
  --color-yellow: #f6c95b;
  --color-white: #ffffff;
  --color-line: #dbe7df;
  --shadow-soft: 0 18px 45px rgba(40, 77, 57, 0.12);
  --shadow-card: 0 12px 28px rgba(47, 100, 72, 0.10);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1120px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-sans);
  line-height: 1.75;
  background:
    radial-gradient(circle at 10% 5%, rgba(246, 201, 91, 0.16), transparent 28%),
    linear-gradient(180deg, #fffaf0 0%, #f6fbf6 45%, #fffaf0 100%);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--color-ink);
  color: #fff;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 253, 245, 0.92);
  border-bottom: 1px solid rgba(219, 231, 223, 0.85);
  backdrop-filter: blur(14px);
}

.header-inner {
  width: min(var(--container), calc(100% - 32px));
  min-height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 230px;
  min-width: 178px;
}

.brand__logo {
  width: 100%;
  height: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  font-weight: 800;
  color: #315a48;
}

.desktop-nav a {
  padding: 10px 13px;
  border-radius: 999px;
}

.desktop-nav a:hover {
  background: var(--color-green-soft);
  color: var(--color-green-dark);
}

.menu-button {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 17px;
  border: 1px solid #b9d9c9;
  border-radius: 999px;
  background: #fff;
  color: var(--color-green-dark);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(47, 100, 72, 0.08);
}

.menu-button__icon {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 20px;
  height: 20px;
}

.menu-button__icon span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.drawer-menu {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto 16px;
  padding: 10px;
  border: 1px solid var(--color-line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-card);
}

.drawer-menu a {
  display: block;
  padding: 14px 16px;
  border-radius: 16px;
  font-weight: 800;
  color: #315a48;
}

.drawer-menu a + a {
  border-top: 1px dashed #dce9e1;
}

.hero {
  position: relative;
  overflow: hidden;
  background: var(--color-cream);
}

.hero__image-wrap {
  width: 100%;
  background: #fff1d5;
}

.hero__image {
  width: 100%;
  min-height: 360px;
  max-height: 620px;
  object-fit: cover;
  object-position: center center;
}

.hero-card {
  position: relative;
  z-index: 2;
  width: min(960px, calc(100% - 32px));
  margin: -58px auto 0;
  padding: 30px clamp(22px, 4vw, 48px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.93);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.hero-card__eyebrow {
  margin: 0 0 8px;
  color: var(--color-green-dark);
  font-weight: 900;
  letter-spacing: 0.08em;
}

.hero-card__title {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.18;
  letter-spacing: 0.03em;
}

.hero-card__text {
  max-width: 680px;
  margin: 14px auto 0;
  color: var(--color-muted);
  font-weight: 700;
  font-size: clamp(1rem, 2.2vw, 1.12rem);
}

.hero-card__actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  border-radius: 999px;
  font-weight: 900;
  letter-spacing: 0.02em;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  background: var(--color-green);
  color: #fff;
  box-shadow: 0 12px 24px rgba(47, 139, 104, 0.22);
}

.button--primary:hover {
  background: var(--color-green-dark);
}

.button--secondary {
  background: #fff8e6;
  color: #80511f;
  border: 2px solid #f2c360;
}

.section {
  padding: clamp(58px, 8vw, 94px) 0;
}

.section-inner {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 30px;
}

.section-heading--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading__eyebrow {
  margin: 0 0 8px;
  color: var(--color-orange);
  font-size: 0.82rem;
  font-weight: 950;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-heading h2,
.support__copy h2,
.future__inner h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.section-heading p:not(.section-heading__eyebrow),
.support__copy p,
.parents-card p,
.feature-card p,
.tool-card p {
  color: var(--color-muted);
  font-weight: 700;
}

.quick-actions {
  padding-top: 54px;
}

.quick-grid,
.tool-grid,
.parents-grid,
.feature-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.quick-card,
.tool-card,
.parents-card,
.feature-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-card);
}

.quick-card {
  min-height: 190px;
  padding: 26px;
}

.quick-card::after {
  content: "";
  position: absolute;
  right: -38px;
  bottom: -38px;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  background: rgba(47, 139, 104, 0.08);
}

.quick-card--accent::after {
  background: rgba(246, 201, 91, 0.22);
}

.quick-card__mark {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--color-green-soft);
  color: var(--color-green-dark);
  font-size: 0.9rem;
  font-weight: 900;
}

.quick-card--accent .quick-card__mark {
  background: #fff0c4;
  color: #9a6320;
}

.quick-card h2,
.tool-card h3,
.parents-card h3,
.feature-card h3 {
  margin: 16px 0 8px;
  font-size: 1.35rem;
  line-height: 1.35;
}

.quick-card p,
.tool-card p,
.parents-card p,
.feature-card p {
  margin: 0;
}

.tools {
  background:
    linear-gradient(180deg, rgba(232, 245, 237, 0.6), rgba(255, 250, 240, 0.2));
}

.tool-card,
.parents-card {
  padding: 28px;
}

.tool-card--open {
  border-color: rgba(47, 139, 104, 0.34);
  background: linear-gradient(180deg, #ffffff 0%, #effaf3 100%);
}

.tool-card__status {
  display: inline-flex;
  margin: 0;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--color-green);
  color: #fff !important;
  font-size: 0.78rem;
  font-weight: 900;
}

.tool-card:not(.tool-card--open) .tool-card__status {
  background: #f0d69a;
  color: #6c4a19 !important;
}

.text-link,
.parents-card a {
  display: inline-flex;
  margin-top: 18px;
  color: var(--color-green-dark);
  font-weight: 950;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.tool-card__note {
  display: inline-flex;
  margin-top: 18px;
  color: #8a754e;
  font-weight: 900;
}

.support {
  padding-top: 0;
}

.support__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 28px;
  padding: clamp(30px, 5vw, 52px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 92% 12%, rgba(246, 201, 91, 0.32), transparent 26%),
    linear-gradient(135deg, #f1faef, #fff8e8);
  border: 1px solid rgba(219, 231, 223, 0.9);
  box-shadow: var(--shadow-soft);
}

.support-links {
  display: grid;
  gap: 12px;
}

.support-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(47, 139, 104, 0.14);
  font-weight: 900;
  color: #315a48;
}

.support-links a::after {
  content: "→";
  color: var(--color-orange);
}

.parents {
  background: rgba(255, 255, 255, 0.5);
}

.parents-card {
  background: #fffdf7;
}

.features {
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0), rgba(232, 245, 237, 0.55));
}

.feature-card {
  padding: 28px;
  background: #fff;
}

.feature-card span {
  display: inline-flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-cream-deep);
  color: #8a5a1f;
  font-weight: 950;
}

.howto {
  background: #fffaf0;
}

.step-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  min-height: 132px;
  padding: 22px;
  border: 1px dashed #c7decf;
  border-radius: 24px;
  background: #fff;
  font-size: 1.05rem;
  font-weight: 900;
  text-align: center;
}

.step-list span {
  display: flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--color-green);
  color: #fff;
}

.future {
  padding-top: 0;
}

.future__inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: start;
  gap: 28px;
  padding: clamp(28px, 5vw, 44px);
  border-radius: var(--radius-xl);
  background: #2f8b68;
  color: #fff;
  box-shadow: var(--shadow-soft);
}

.future__inner .section-heading__eyebrow {
  color: #ffe2a6;
}

.future-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.future-list li {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.28);
  font-weight: 900;
}

.site-footer {
  padding: 54px 0 34px;
  background: #fffaf0;
}

.footer-inner {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
  display: grid;
  gap: 26px;
  justify-items: center;
  text-align: center;
}

.footer-brand img {
  width: 210px;
  margin: 0 auto 8px;
}

.footer-brand p {
  margin: 0;
  color: var(--color-muted);
  font-weight: 800;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 18px;
  color: #315a48;
  font-size: 0.92rem;
  font-weight: 800;
}

.footer-nav a:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.copyright {
  margin: 0;
  color: #829189;
  font-size: 0.86rem;
}

@media (max-width: 980px) {
  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: inline-flex;
  }

  .brand {
    width: 200px;
  }

  .quick-grid,
  .tool-grid,
  .parents-grid,
  .feature-list {
    grid-template-columns: 1fr 1fr;
  }

  .support__inner,
  .future__inner {
    grid-template-columns: 1fr;
  }

  .step-list {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  .header-inner {
    min-height: 70px;
    width: min(100% - 22px, var(--container));
  }

  .brand {
    width: 166px;
    min-width: 150px;
  }

  .menu-button {
    min-height: 42px;
    padding: 0 13px;
    gap: 8px;
  }

  .menu-button__text {
    font-size: 0.86rem;
  }

  .hero__image {
    min-height: 310px;
    object-position: center top;
  }

  .hero-card {
    width: calc(100% - 22px);
    margin-top: -34px;
    padding: 22px 18px;
    border-radius: 26px;
  }

  .hero-card__title {
    font-size: clamp(1.85rem, 9vw, 2.6rem);
  }

  .hero-card__actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }

  .section {
    padding: 52px 0;
  }

  .section-inner {
    width: min(100% - 22px, var(--container));
  }

  .quick-grid,
  .tool-grid,
  .parents-grid,
  .feature-list,
  .step-list {
    grid-template-columns: 1fr;
  }

  .quick-card,
  .tool-card,
  .parents-card,
  .feature-card {
    border-radius: 22px;
  }

  .support__inner,
  .future__inner {
    padding: 24px 18px;
    border-radius: 26px;
  }

  .step-list li {
    min-height: auto;
  }

  .footer-brand img {
    width: 190px;
  }
}

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