/* ichiri.com landing — custom styles */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8fb;
  --color-text: #14181f;
  --color-text-soft: #475063;
  --color-text-muted: #6b7385;
  --color-border: #e4e8ef;
  --color-accent: #1f4ea8;
  --color-accent-hover: #163d85;
  --color-accent-soft: #e8efff;

  --font-jp: "Noto Sans JP", system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "BIZ UDPGothic", Meiryo, sans-serif;
  --font-en: "Inter", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-base: var(--font-en), var(--font-jp);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 2px rgba(20, 24, 31, 0.05), 0 8px 24px rgba(20, 24, 31, 0.05);

  --container-max: 1100px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-accent); text-decoration: none; transition: color 0.15s; }
a:hover { color: var(--color-accent-hover); text-decoration: underline; }

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

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

p[lang="en"] { font-family: var(--font-en); color: var(--color-text-soft); }

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text);
  font-weight: 700;
  text-decoration: none;
}
.site-header__brand:hover { text-decoration: none; color: var(--color-text); }
.site-header__brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--color-accent) 0%, #4a7be0 100%);
  box-shadow: 0 2px 6px rgba(31, 78, 168, 0.3);
  display: inline-block;
}
.site-header__brand-name {
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}
.site-nav__list {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav__list a {
  color: var(--color-text-soft);
  font-size: 0.92rem;
  font-weight: 500;
}
.site-nav__list a:hover { color: var(--color-accent); text-decoration: none; }

@media (max-width: 720px) {
  .site-nav { display: none; }
  .site-header__inner { height: 56px; }
}

/* ---------- Hero ---------- */

.hero {
  padding: 6rem 0 5rem;
  background:
    radial-gradient(1200px 600px at 50% -200px, var(--color-accent-soft), transparent 70%),
    var(--color-bg);
  text-align: center;
}
.hero__inner { max-width: 820px; }
.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.hero__title {
  font-family: var(--font-en);
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.hero__tagline-ja {
  font-family: var(--font-jp);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  margin: 0;
  color: var(--color-text);
  font-weight: 500;
}
.hero__tagline-en {
  font-family: var(--font-en);
  font-size: clamp(0.95rem, 1.7vw, 1.1rem);
  margin: 0.4rem 0 0;
  color: var(--color-text-soft);
}
.hero__ctas {
  margin-top: 2.2rem;
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.2;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}
.btn--secondary {
  background: #fff;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn--secondary:hover {
  border-color: var(--color-text);
  color: var(--color-text);
  text-decoration: none;
}

/* ---------- Sections ---------- */

.section {
  padding: 5rem 0;
}
.section--alt {
  background: var(--color-bg-alt);
}
.section__head {
  text-align: center;
  margin-bottom: 3rem;
}
.section__title {
  font-family: var(--font-jp);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  margin: 0;
  letter-spacing: 0.01em;
}
.section__title-en {
  font-family: var(--font-en);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--color-accent);
  font-size: 0.78rem;
  font-weight: 600;
  margin: 0.5rem 0 0;
}

/* ---------- About ---------- */

.about-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 2.5rem;
  align-items: start;
}
.about-copy p { font-size: 1rem; }

.fact-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.fact {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.fact__label {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 600;
}
.fact__value {
  font-family: var(--font-en);
  font-size: 1rem;
  color: var(--color-text);
  font-weight: 600;
}

@media (max-width: 800px) {
  .about-grid { grid-template-columns: 1fr; }
}

/* ---------- Services (cards) ---------- */

.card-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.5rem;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.card__title {
  margin: 0;
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.005em;
}
.card__title-ja {
  font-family: var(--font-jp);
  font-size: 0.92rem;
  color: var(--color-text-soft);
  margin: 0 0 0.6rem;
}
.card__body {
  font-size: 0.95rem;
  color: var(--color-text);
}
.card__body[lang="en"] { color: var(--color-text-soft); }

@media (max-width: 900px) {
  .card-grid { grid-template-columns: 1fr; }
}

/* ---------- Products ---------- */

.product {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2.2rem 2rem;
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2rem;
  align-items: center;
}
.product__title {
  font-family: var(--font-en);
  font-size: 2rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
}
.product__subtitle {
  margin: 0.2rem 0 0;
  color: var(--color-text-soft);
  font-size: 0.95rem;
}
.product__subtitle[lang="en"] { font-family: var(--font-en); }
.product__body {
  margin-top: 1.2rem;
  font-size: 0.97rem;
}
.product__cta {
  margin-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.appstore-badge { display: inline-block; }
.appstore-badge img {
  height: 44px;
  width: auto;
}
.product__qr {
  text-align: center;
}
.product__qr img {
  width: 180px;
  height: 180px;
  margin: 0 auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
}
.product__qr-caption {
  margin-top: 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  font-family: var(--font-en);
  text-transform: uppercase;
}

@media (max-width: 800px) {
  .product {
    grid-template-columns: 1fr;
    padding: 1.6rem 1.4rem;
  }
}

/* ---------- Roadmap ---------- */

.roadmap-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.roadmap-item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 1rem;
  align-items: start;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.3rem;
}
.roadmap-item__bullet {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  background: var(--color-accent);
  margin-top: 0.55em;
}
.roadmap-item p { margin: 0; }
.roadmap-item p:first-child { font-weight: 500; }
.roadmap-item p[lang="en"] { color: var(--color-text-soft); font-size: 0.93rem; }

/* ---------- Contact / Legal ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.contact-block {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.6rem 1.6rem;
  box-shadow: var(--shadow-card);
}
.contact-block__title {
  font-family: var(--font-jp);
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
}
.contact-block__title-en {
  font-family: var(--font-en);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  color: var(--color-accent);
  margin: 0.2rem 0 1rem;
  font-weight: 600;
}
.contact-block p { font-size: 0.96rem; }
.contact-block .btn { margin-top: 0.5rem; }

.legal-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}
.legal-list li {
  border-top: 1px solid var(--color-border);
  padding-top: 0.6rem;
}
.legal-list li:first-child {
  border-top: none;
  padding-top: 0;
}
.legal-list__en {
  display: block;
  font-family: var(--font-en);
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 0.15rem;
}

@media (max-width: 800px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-text);
  color: #cfd5e1;
  padding: 2.5rem 0;
  margin-top: 0;
}
.site-footer__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1.25rem;
  align-items: center;
}
.site-footer__brand {
  font-family: var(--font-en);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin: 0;
}
.site-footer__meta {
  display: flex;
  gap: 1.25rem;
  margin: 0;
  font-size: 0.85rem;
  color: #a3aab8;
  font-family: var(--font-en);
  justify-content: center;
  flex-wrap: wrap;
}
.site-footer__nav {
  display: flex;
  gap: 1.1rem;
  font-size: 0.88rem;
}
.site-footer__nav a {
  color: #cfd5e1;
}
.site-footer__nav a:hover { color: #fff; }

@media (max-width: 800px) {
  .site-footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .site-footer__meta { justify-content: center; }
  .site-footer__nav { justify-content: center; flex-wrap: wrap; }
}