/*
Theme Name: Foovo
Theme URI: https://foovo.jp
Author: Foovo LLC
Description: Foovo公式サイトテーマ
Version: 1.0
*/

/* =============================================
   Foovo — Base Styles
   ============================================= */

:root {
  --color-white:      #ffffff;
  --color-gray-50:    #f8f9fa;
  --color-gray-100:   #f1f3f5;
  --color-gray-200:   #e9ecef;
  --color-gray-400:   #adb5bd;
  --color-gray-600:   #6c757d;
  --color-gray-800:   #343a40;
  --color-gray-900:   #212529;
  --color-green-50:   #f0faf4;
  --color-green-100:  #d8f3e3;
  --color-green-500:  #2da562;
  --color-green-600:  #228c50;
  --color-green-700:  #1a6e3e;

  --font-sans: 'Inter', 'Noto Sans JP', sans-serif;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:  0 12px 40px rgba(0,0,0,.10);

  --transition: 0.25s ease;

  --container: 1120px;
  --gap: clamp(1rem, 4vw, 2rem);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  color: var(--color-gray-800);
  background: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* =============================================
   Layout
   ============================================= */

.container {
  width: min(var(--container), 100% - 2 * var(--gap));
  margin-inline: auto;
}

.section {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.section--gray {
  background: var(--color-gray-50);
}

.section__head {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section__label {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--color-green-500);
  margin-bottom: .75rem;
}

.section__title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--color-gray-900);
  letter-spacing: -.02em;
}

/* =============================================
   Buttons
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .75rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: .95rem;
  transition: var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--color-green-500);
  color: var(--color-white);
}
.btn--primary:hover {
  background: var(--color-green-600);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(45,165,98,.35);
}

.btn--outline {
  border: 1.5px solid var(--color-green-500);
  color: var(--color-green-500);
}
.btn--outline:hover {
  background: var(--color-green-50);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 1rem 2.75rem;
  font-size: 1rem;
}

/* =============================================
   Header / Nav
   ============================================= */

.header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
  transition: box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100px;
}

.nav__logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-gray-900);
  letter-spacing: -.03em;
}
.nav__logo span { color: var(--color-green-500); }

.nav__logo-img {
  height: 48px;
  width: auto;
  display: block;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-gray-600);
  transition: color var(--transition);
}
.nav__link:hover { color: var(--color-green-500); }

.nav__link--cta {
  padding: .5rem 1.25rem;
  background: var(--color-green-500);
  color: var(--color-white) !important;
  border-radius: var(--radius-md);
  font-size: .875rem;
}
.nav__link--cta:hover {
  background: var(--color-green-600);
}

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-gray-800);
  border-radius: 2px;
  transition: var(--transition);
}
.nav__toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.active span:nth-child(2) { opacity: 0; }
.nav__toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =============================================
   Hero
   ============================================= */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 80% 20%, var(--color-green-100) 0%, transparent 65%),
    radial-gradient(ellipse 50% 50% at 10% 80%, var(--color-gray-100) 0%, transparent 60%);
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-block: clamp(4rem, 10vw, 7rem);
}

.hero__eyebrow {
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-green-500);
  margin-bottom: 1.25rem;
}

.hero__title {
  font-size: clamp(2.2rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.03em;
  color: var(--color-gray-900);
  margin-bottom: 1.5rem;
}

.hero__desc {
  font-size: clamp(.95rem, 1.5vw, 1.15rem);
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: 2.5rem;
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  z-index: 1;
}
.hero__scroll span {
  font-size: .65rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--color-gray-400);
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-green-500), transparent);
  animation: scrollLine 1.8s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: top; opacity: 0; }
}

/* =============================================
   Concept
   ============================================= */

.concept__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.concept__card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem;
  transition: var(--transition);
}
.concept__card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-green-100);
}

.concept__icon {
  width: 44px;
  height: 44px;
  color: var(--color-green-500);
  margin-bottom: 1.25rem;
}
.concept__icon svg { width: 100%; height: 100%; }

.concept__card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: .75rem;
}

.concept__card-text {
  font-size: .9rem;
  color: var(--color-gray-600);
  line-height: 1.8;
}

.concept__statement {
  text-align: center;
  padding: 2.5rem;
  background: var(--color-green-50);
  border-radius: var(--radius-xl);
  border-left: 4px solid var(--color-green-500);
}
.concept__statement blockquote {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  font-weight: 500;
  color: var(--color-gray-800);
  line-height: 1.9;
  font-style: italic;
}

/* =============================================
   Company
   ============================================= */

.company__layout {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4rem;
  align-items: start;
}

.company__table {
  width: 100%;
  border-collapse: collapse;
}
.company__table tr {
  border-bottom: 1px solid var(--color-gray-200);
}
.company__table tr:first-child {
  border-top: 1px solid var(--color-gray-200);
}
.company__table th,
.company__table td {
  padding: 1.1rem .75rem;
  text-align: left;
  font-size: .95rem;
  vertical-align: top;
}
.company__table th {
  width: 140px;
  font-weight: 600;
  color: var(--color-gray-900);
  white-space: nowrap;
}
.company__table td {
  color: var(--color-gray-600);
}

.company__visual {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.company__badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem 2rem;
  min-width: 160px;
  box-shadow: var(--shadow-sm);
}
.company__badge-num {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-green-500);
  letter-spacing: -.04em;
  line-height: 1;
  margin-bottom: .375rem;
}
.company__badge-label {
  font-size: .78rem;
  color: var(--color-gray-500, #868e96);
  font-weight: 500;
}

/* =============================================
   Contact
   ============================================= */

.contact {
  background: linear-gradient(135deg, var(--color-green-700) 0%, var(--color-green-500) 100%);
}

.contact__inner {
  text-align: center;
  padding-block: 1rem;
}

.contact .section__label {
  color: rgba(255,255,255,.7);
}

.contact__title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: -.03em;
  margin-bottom: 1.25rem;
}

.contact__desc {
  font-size: clamp(.9rem, 1.5vw, 1.05rem);
  color: rgba(255,255,255,.8);
  margin-bottom: 2.5rem;
  line-height: 1.85;
}

.contact .btn--primary {
  background: var(--color-white);
  color: var(--color-green-600);
}
.contact .btn--primary:hover {
  background: var(--color-gray-50);
  box-shadow: 0 6px 24px rgba(0,0,0,.15);
}

/* =============================================
   Footer
   ============================================= */

.footer {
  background: var(--color-gray-900);
  padding-block: 2rem;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__logo-img {
  height: 36px;
  width: auto;
  filter: brightness(0) invert(1);
}

.footer__copy {
  font-size: .8rem;
  color: var(--color-gray-400);
}

/* =============================================
   Fade-in Animation
   ============================================= */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.concept__card:nth-child(2) { transition-delay: .1s; }
.concept__card:nth-child(3) { transition-delay: .2s; }

/* =============================================
   Utilities
   ============================================= */

.br-sp { display: none; }
.br-pc { display: inline; }

/* =============================================
   Responsive — Tablet (max 900px)
   ============================================= */

@media (max-width: 900px) {
  .concept__grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-inline: auto;
    margin-bottom: 3rem;
  }

  .company__layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .company__visual {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .company__badge {
    min-width: 140px;
    flex: 1;
  }
}

/* =============================================
   Responsive — Mobile (max 640px)
   ============================================= */

@media (max-width: 640px) {
  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    inset-block-start: 100px;
    inset-inline: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 0 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-md);
    transform: translateY(-110%);
    transition: transform .3s ease;
    z-index: 99;
  }

  .nav__menu.open {
    transform: translateY(0);
  }

  .nav__link {
    display: block;
    padding: .85rem var(--gap);
    font-size: 1rem;
  }

  .nav__link--cta {
    margin: .5rem var(--gap) 0;
    text-align: center;
    border-radius: var(--radius-md);
  }

  .br-sp { display: inline; }
  .br-pc { display: none; }

  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero__scroll { display: none; }

  .concept__grid {
    max-width: 100%;
  }

  .concept__statement blockquote {
    font-size: .95rem;
  }

  .company__table th {
    width: 100px;
    font-size: .875rem;
  }
  .company__table td {
    font-size: .875rem;
  }

  .company__visual {
    gap: .875rem;
  }
  .company__badge {
    min-width: calc(50% - .4375rem);
    padding: 1.25rem 1rem;
  }
  .company__badge-num { font-size: 1.6rem; }

  .contact__desc br { display: none; }

  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}