:root {
  --color-bg: #FAF7F1;
  --color-bg-alt: #F3EEE3;
  --color-ink: #2B2420;
  --color-ink-soft: #6B6259;
  --color-green: #7CB342;
  --color-green-dark: #558B2F;
  --color-green-pale: #E8F1DC;
  --color-white: #FFFFFF;
  --shadow-soft: 0 12px 30px rgba(43, 36, 32, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", sans-serif;
  background: var(--color-bg);
  color: var(--color-ink);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { margin: 0; font-weight: 700; }

p { margin: 0; }

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

.section__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section__inner--narrow { max-width: 640px; }

.section__title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  text-align: center;
  letter-spacing: 0.02em;
}

.section__lead {
  text-align: center;
  color: var(--color-ink-soft);
  margin-top: 12px;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(250, 247, 241, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(43, 36, 32, 0.06);
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 28px;
  position: relative;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: auto;
  text-decoration: none;
  color: var(--color-ink);
  font-weight: 800;
  font-size: 1.2rem;
}

.site-header__icon { width: 24px; height: 24px; object-fit: contain; }

.site-header__nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-header__nav a {
  color: var(--color-ink-soft);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.site-header__nav a:hover { color: var(--color-green-dark); }

.site-header__lang {
  font-weight: 700 !important;
  color: var(--color-green-dark) !important;
  border: 1px solid var(--color-green);
  border-radius: 999px;
  padding: 4px 14px;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mobile menu toggle (hidden on desktop) */
.site-header__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  flex-shrink: 0;
}

.site-header__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-header__toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header__toggle.is-active span:nth-child(2) { opacity: 0; }
.site-header__toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 720px) {
  .site-header__toggle { display: flex; }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    background: var(--color-bg);
    border-bottom: 1px solid rgba(43, 36, 32, 0.08);
    box-shadow: 0 12px 20px rgba(43, 36, 32, 0.06);
    transition: max-height 0.25s ease;
  }

  .site-header__nav.is-open {
    max-height: 60vh;
    overflow-y: auto;
  }

  .site-header__nav a {
    padding: 14px 24px;
    border-top: 1px solid rgba(43, 36, 32, 0.06);
    font-size: 1rem;
  }
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 60px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0%, var(--color-green-pale) 0%, transparent 55%),
    var(--color-bg);
}

.hero__inner { max-width: 640px; }

.hero__logo {
  width: min(420px, 80vw);
  margin: 0 auto 32px;
}

.hero__tagline-ja {
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 700;
  margin-bottom: 8px;
}

.hero__tagline-en {
  color: var(--color-ink-soft);
  font-style: italic;
  font-size: 1rem;
}

.hero__scroll {
  display: inline-block;
  margin-top: 56px;
  width: 26px;
  height: 42px;
  border: 2px solid var(--color-ink-soft);
  border-radius: 20px;
  position: relative;
}

.hero__scroll span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 5px;
  height: 5px;
  margin-left: -2.5px;
  background: var(--color-green-dark);
  border-radius: 50%;
  animation: scrollDot 1.6s ease-in-out infinite;
}

@keyframes scrollDot {
  0% { top: 8px; opacity: 1; }
  70% { top: 24px; opacity: 0; }
  100% { top: 24px; opacity: 0; }
}

/* Manifesto */
.manifesto { padding: 100px 0; }

.lede {
  text-align: center;
  font-size: clamp(1.05rem, 2.4vw, 1.3rem);
  max-width: 760px;
  margin: 0 auto 64px;
}

.before-after {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 32px;
  align-items: center;
}

.before-after__col {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-soft);
  height: 100%;
}

.before-after__col--center {
  background: transparent;
  box-shadow: none;
  text-align: center;
  padding: 0 12px;
  color: var(--color-ink-soft);
  font-weight: 700;
}

.before-after__icon {
  width: 48px;
  margin: 0 auto 16px;
}

.before-after__col h3 {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-green-dark);
  margin-bottom: 12px;
}

.before-after__lead {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 20px;
}

.before-after__list {
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

.before-after__list li { padding: 4px 0; }

.before-after__list li::before { content: "□ "; color: #C9C0B4; }

.before-after__col--after .before-after__quote {
  color: var(--color-green-dark);
  font-weight: 700;
}

@media (max-width: 800px) {
  .before-after { grid-template-columns: 1fr; }
  .before-after__col--center { order: 2; padding: 16px 0; }
}

/* Concept */
.concept { padding: 100px 0; background: var(--color-bg-alt); }

.concept__statement {
  text-align: center;
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  font-weight: 700;
  margin: 20px 0 56px;
}

.concept__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.concept__item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px 16px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.concept__emoji {
  font-size: 2rem;
  display: block;
  margin-bottom: 12px;
}

.concept__item h3 {
  font-size: 1rem;
  margin-bottom: 6px;
}

.concept__item p {
  color: var(--color-ink-soft);
  font-size: 0.88rem;
}

.concept__note {
  text-align: center;
  margin-top: 56px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-green-dark);
}

@media (max-width: 860px) {
  .concept__grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 520px) {
  .concept__grid { grid-template-columns: repeat(2, 1fr); }
}

/* Products */
.products { padding: 100px 0; }

.products__grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  position: relative;
  display: block;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow-soft);
  border: 2px solid transparent;
  color: inherit;
  text-decoration: none;
}

.product-card--link {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card--link:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(43, 36, 32, 0.12);
}

.product-card__cta {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-green-dark);
}

.product-card--active {
  border-color: var(--color-green);
  background: linear-gradient(160deg, var(--color-green-pale), var(--color-white) 60%);
}

.product-card__badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--color-green-pale);
  color: var(--color-green-dark);
  margin-bottom: 16px;
}

.product-card--active .product-card__badge {
  background: var(--color-green);
  color: var(--color-white);
}

.product-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.product-card p {
  color: var(--color-ink-soft);
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .products__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .products__grid { grid-template-columns: 1fr; }
}

/* Roadmap */
.roadmap { padding: 100px 0; background: var(--color-bg-alt); }

.roadmap__steps {
  list-style: none;
  margin: 56px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.roadmap__step {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 26px 20px;
  box-shadow: var(--shadow-soft);
  border-top: 4px solid #DDD5C7;
}

.roadmap__step--current {
  border-top-color: var(--color-green);
}

.roadmap__label {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-green-dark);
  margin-bottom: 10px;
}

.roadmap__step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.roadmap__step p {
  font-size: 0.9rem;
  color: var(--color-ink-soft);
}

.roadmap__note {
  text-align: center;
  margin-top: 56px;
  font-size: 1.05rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 860px) {
  .roadmap__steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .roadmap__steps { grid-template-columns: 1fr; }
}

/* About the name */
.about-name { padding: 100px 0; }

.about-name__card {
  margin-top: 40px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.about-name__card a {
  color: var(--color-green-dark);
  font-weight: 700;
  text-decoration: none;
}

.about-name__card a:hover { text-decoration: underline; }

.about-name__ruby {
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-green-dark);
  margin-bottom: 16px;
}

/* Values */
.values { padding: 0 0 120px; }

.values__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.values__item {
  text-align: center;
  padding: 16px;
}

.values__emoji {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 12px;
}

.values__item h3 {
  font-size: 0.98rem;
  margin-bottom: 8px;
}

.values__item p {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
}

@media (max-width: 860px) {
  .values__grid { grid-template-columns: repeat(2, 1fr); }
}

/* Footer */
.site-footer {
  text-align: center;
  padding: 56px 24px 40px;
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.7);
}

.site-footer__icon {
  width: 32px;
  margin: 0 auto 16px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.site-footer p {
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}

.site-footer small { font-size: 0.8rem; }

.site-footer small a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: underline;
}

.site-footer small a:hover { color: #fff; }

/* didyet LP hero */
.didyet-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-green-dark);
  background: var(--color-green-pale);
  padding: 6px 16px;
  border-radius: 999px;
  margin: 0 auto 24px;
}

.didyet-hero__eyebrow-icon { width: 16px; height: 16px; }

.didyet-hero__title {
  font-size: clamp(2.4rem, 8vw, 4rem);
  margin-bottom: 20px;
}

.didyet-features__grid { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 700px) {
  .didyet-features__grid { grid-template-columns: 1fr; }
}

/* Legal / document pages */
.legal { padding: 140px 0 100px; }

.legal__back {
  display: inline-block;
  margin-bottom: 28px;
  color: var(--color-green-dark);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
}

.legal__back:hover { text-decoration: underline; }

.legal__doc {
  max-width: 760px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 56px);
  box-shadow: var(--shadow-soft);
}

.legal__doc h1 {
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  margin-bottom: 8px;
}

.legal__date {
  color: var(--color-ink-soft);
  font-size: 0.85rem;
  margin-bottom: 40px;
}

.legal__doc section { margin-bottom: 32px; }

.legal__doc h2 {
  font-size: 1.02rem;
  color: var(--color-green-dark);
  margin-bottom: 10px;
}

.legal__doc p, .legal__doc li {
  font-size: 0.95rem;
  color: var(--color-ink);
  line-height: 1.9;
}

.legal__doc ol, .legal__doc ul { margin: 0; padding-left: 1.3em; }
.legal__doc ol li, .legal__doc ul li { margin-bottom: 6px; }

.legal__doc a { color: var(--color-green-dark); }

/* About us page */
.about__list { margin: 0; }

.about__row {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 4px 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-bg-alt);
}

.about__row:first-child { padding-top: 0; }
.about__row:last-child { padding-bottom: 0; border-bottom: none; }

.about__list dt {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-green-dark);
}

.about__list dd {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.9;
}

@media (max-width: 560px) {
  .about__row { grid-template-columns: 1fr; gap: 2px; }
}

/* Contact page */
.contact__lede {
  text-align: center;
  color: var(--color-ink-soft);
  max-width: 520px;
  margin: 0 auto 40px;
}

.contact__form {
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 5vw, 48px);
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.contact__field { display: flex; flex-direction: column; gap: 8px; }

.contact__field label {
  font-size: 0.9rem;
  font-weight: 700;
}

.contact__field input,
.contact__field select,
.contact__field textarea {
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-ink);
  background: var(--color-bg);
  border: 1px solid #E1D9CA;
  border-radius: var(--radius-md);
  padding: 12px 16px;
  resize: vertical;
}

.contact__field input:focus,
.contact__field select:focus,
.contact__field textarea:focus {
  outline: none;
  border-color: var(--color-green);
}

.contact__submit {
  align-self: center;
  margin-top: 8px;
  padding: 14px 40px;
  border: none;
  border-radius: 999px;
  background: var(--color-green);
  color: var(--color-white);
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s ease;
}

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

.contact__note {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
  text-align: center;
  margin-top: -8px;
}

.contact__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact__banner {
  max-width: 560px;
  margin: 0 auto 24px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 700;
}

.contact__banner--sent {
  background: var(--color-green-pale);
  color: var(--color-green-dark);
}

.contact__banner--error {
  background: #FBE4E4;
  color: #A83E3E;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}