:root {
  --color-primary: #0195DA;
  --color-primary-hover: #06AFFE;
  --color-primary-hover-dark: #017AB2;
  --color-heading: #0d1220;
  --color-text: #3f4757;
  --color-text-muted: #5a6373;
  --color-text-nav: #3a4252;
  --color-note-text: #4a5364;
  --color-border: #e6eaf2;
  --color-border-blue: #d6e4f7;
  --color-bg-gray: #f4f6fb;
  --color-bg-blue: #e8f1fd;
  --color-bg-note: #eaeef7;
  --color-tag-bg: #e8edfb;
  --color-tag-label: #7a8398;
  --color-step-muted: #9fb0d6;
  --color-step-line-muted: #c3cee6;
  --color-footer-bg: #262626;
  --color-accent-orange: #f39800;
  --color-collage-a: #eef1f6;
  --color-collage-b: #f6f8fc;
  --font-heading: 'Archivo', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'Noto Sans JP', sans-serif;
  --max-width: 1200px;
}

html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-heading);
  background: #ffffff;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
::selection { background: var(--color-primary); color: #fff; }

@keyframes oneteam-up { from { transform: translateY(0); } to { transform: translateY(-33.3333%); } }
@keyframes oneteam-down { from { transform: translateY(-33.3333%); } to { transform: translateY(0); } }
@keyframes oneteam-scroll-x { from { transform: translateX(0); } to { transform: translateX(-33.3333%); } }

/* ===== 共通パーツ ===== */
.eyebrow {
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.about .eyebrow { margin-bottom: 18px; }

.section-title {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0;
}

/* セクションタイトルのスクロール連動フェードイン（main.js の IntersectionObserver と対） */
.section-title,
.about__title,
.eyebrow {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.section-title.is-visible,
.about__title.is-visible,
.eyebrow.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-weight: 700;
  border-radius: 8px;
  transition: background-color 0.2s, transform 0.2s;
}
.btn--primary { background: var(--color-primary); color: #fff; }
.btn__arrow { font-family: var(--font-heading); }

.btn--header {
  gap: 8px;
  font-size: 13px;
  padding: 11px 20px;
  letter-spacing: 0.03em;
  box-shadow: 0 6px 16px rgba(1, 149, 218, 0.28);
}
.btn--header:hover { background: var(--color-primary-hover-dark); }

.btn--hero {
  gap: 12px;
  font-size: 15px;
  padding: 16px 30px;
  border-radius: 10px;
  letter-spacing: 0.03em;
  box-shadow: 0 12px 30px rgba(1, 149, 218, 0.28);
}
.btn--hero:hover { background: var(--color-primary-hover); transform: translateY(-2px); }

/* ===== ヘッダー ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 44px);
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--color-heading);
}
.site-header__logo-img {
  display: block;
  height: 26px;
  width: auto;
}
.site-header__nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 2.4vw, 36px);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.site-header__nav-link {
  text-decoration: none;
  color: var(--color-text-nav);
  transition: color 0.2s;
}
.site-header__nav-link:hover { color: var(--color-primary); }

/* ===== ヒーロー (#top) ===== */
.hero {
  position: relative;
  background: transparent;
  color: var(--color-heading);
  overflow: hidden;
}
.hero__inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(64px, 9vw, 110px) clamp(20px, 4vw, 44px) clamp(56px, 7vw, 88px);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.16em;
  color: var(--color-primary);
  margin-bottom: 26px;
}
.hero__eyebrow-line { width: 26px; height: 1px; background: var(--color-primary); }
.hero__title {
  margin: 0 0 28px;
  line-height: 0;
}
.hero__title-img {
  display: block;
  width: clamp(260px, 34vw, 440px);
  height: auto;
}
.hero__lead {
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.85;
  color: var(--color-text);
  max-width: 440px;
  margin: 0 0 36px;
  font-weight: 400;
}

/* ===== ABOUT ===== */
.about {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(72px, 9vw, 128px) clamp(20px, 4vw, 44px);
  text-align: center;
}
.about__inner { max-width: 760px; margin: 0 auto; }
.about__title {
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 28px;
}
.about__title-img {
  display: inline-block;
  width: clamp(140px, 16vw, 200px);
  height: auto;
  vertical-align: middle;
}
.about__lead {
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 2.1;
  color: var(--color-text);
  margin: 0;
  font-weight: 400;
  text-wrap: pretty;
  text-align: center;
}

/* ===== CONDITIONS ===== */
.conditions {
  background: var(--color-bg-gray);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.conditions__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(72px, 9vw, 128px) clamp(20px, 4vw, 44px);
}
.conditions .section-title { margin-bottom: 48px; }
.conditions__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.condition-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: clamp(28px, 3.4vw, 44px);
  box-shadow: 0 8px 30px rgba(15, 30, 80, 0.05);
}
.condition-card__num {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 56px;
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: 18px;
}
.condition-card__title { font-size: clamp(18px, 1.7vw, 22px); font-weight: 700; margin: 0 0 14px; line-height: 1.5; }
.condition-card__text { font-size: 15px; line-height: 1.95; color: var(--color-text-muted); margin: 0; }

.note-bar {
  margin-top: 22px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--color-bg-note);
  border-radius: 12px;
  padding: 18px 22px;
}
.note-bar__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #fff;
  background: var(--color-primary);
  padding: 4px 8px;
  border-radius: 5px;
  flex-shrink: 0;
}
.note-bar__text { font-size: 13.5px; line-height: 1.8; color: var(--color-note-text); }

/* ===== SELECTION FLOW ===== */
.flow {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(72px, 9vw, 128px) clamp(20px, 4vw, 44px);
}
.flow .section-title { margin-bottom: 52px; }
.flow__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.flow-step { border-top: 3px solid var(--color-step-line-muted); padding-top: 22px; }
.flow-step--active { border-top-color: var(--color-primary); }
.flow-step__num {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 34px;
  color: var(--color-step-muted);
  margin-bottom: 14px;
}
.flow-step--active .flow-step__num { color: var(--color-primary); }
.flow-step__title { font-size: 17px; font-weight: 700; margin: 0 0 12px; }
.flow-step__text { font-size: 13.5px; line-height: 1.9; color: var(--color-text-muted); margin: 0; }

/* ===== CASE STUDIES ===== */
.cases {
  background: var(--color-bg-blue);
  border-top: 1px solid var(--color-border-blue);
  border-bottom: 1px solid var(--color-border-blue);
}
.cases__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(72px, 9vw, 128px) clamp(20px, 4vw, 44px);
}
.cases .section-title { margin-bottom: 12px; }
.cases__desc { font-size: 15px; color: var(--color-text-muted); margin: 0 0 44px; }
.cases__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.case-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 34px rgba(15, 30, 80, 0.06);
  transition: transform 0.2s;
}
.case-card:hover { transform: translateY(-4px); }
.case-card__media { aspect-ratio: 16/9; overflow: hidden; }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* サムネイル画像自体に白余白がある場合、110%以上に拡大してクロップする */
.case-card__media--zoom img { width: 112%; height: 112%; margin: -6%; }
.case-card__body { padding: clamp(22px, 2.6vw, 32px); }
.case-card__tags { display: flex; gap: 8px; margin-bottom: 16px; }
.case-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  background: var(--color-tag-bg);
  padding: 4px 9px;
  border-radius: 5px;
}
.case-card__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--color-tag-label);
  padding: 4px 0;
}
.case-card__title { font-size: 18px; font-weight: 700; line-height: 1.55; margin: 0 0 14px; }
.case-card__text { font-size: 13.5px; line-height: 1.9; color: var(--color-text-muted); margin: 0 0 20px; }
.case-card__link {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}
.case-card__link:hover { gap: 10px; }

/* ===== FAQ ===== */
.faq {
  background: #ffffff;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.faq__inner {
  max-width: 900px;
  margin: 0 auto;
  padding: clamp(72px, 9vw, 128px) clamp(20px, 4vw, 44px);
}
.faq .section-title { margin-bottom: 44px; }
.faq__list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--color-border); border-radius: 12px; overflow: hidden; }
.faq-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
}
.faq-toggle__num { font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--color-primary); flex-shrink: 0; }
.faq-toggle__question { flex: 1; font-size: 15.5px; font-weight: 700; color: var(--color-heading); }
.faq-icon { font-size: 20px; font-weight: 400; color: var(--color-primary); flex-shrink: 0; line-height: 1; }
.faq-answer { display: none; padding: 0 24px 24px 60px; font-size: 14px; line-height: 1.95; color: var(--color-text-muted); }

/* ===== HOW TO APPLY ===== */
.apply { background: var(--color-bg-blue); border-top: 1px solid var(--color-border-blue); }
.apply__inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: clamp(72px, 9vw, 128px) clamp(20px, 4vw, 44px);
}
.apply .section-title { margin-bottom: 20px; }
.apply__desc { font-size: 15px; line-height: 2; color: var(--color-text); margin: 0 0 44px; max-width: 640px; }
.apply__form-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(15, 30, 80, 0.06);
  overflow: hidden;
}
.apply__form-inner { padding: clamp(26px, 3.4vw, 44px); }

/* ===== CTA CLOSING (UUUM / Expand the World) ===== */
.cta-closing { background: var(--color-bg-blue); }
.cta-closing__panel { background: #ffffff; border-radius: 44px 44px 0 0; overflow: hidden; }
.cta-closing__grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: 620px;
}
.cta-closing__copy {
  padding: clamp(56px, 7vw, 104px) clamp(24px, 4vw, 40px) clamp(56px, 7vw, 104px) clamp(28px, 6vw, 96px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.cta-closing__logo { display: block; margin-bottom: clamp(40px, 5vw, 68px); }
.cta-closing__logo img { height: clamp(38px, 4.6vw, 58px); width: auto; display: block; }
.cta-closing__tagline {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: clamp(16px, 1.5vw, 20px);
  letter-spacing: 0.01em;
  color: var(--color-primary);
  margin-bottom: 26px;
}
.cta-closing__heading {
  font-size: clamp(28px, 3.6vw, 46px);
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.4;
  color: #1a1a1a;
  margin: 0 0 34px;
}
.cta-closing__text { font-size: clamp(14px, 1.15vw, 16px); line-height: 2.1; color: #333333; margin: 0; }
.cta-closing__collage { position: relative; overflow: hidden; min-height: 620px; }
.cta-closing__collage-inner {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 60%;
  transform: translate(-50%, -50%) rotate(5deg);
  display: flex;
  gap: 16px;
  justify-content: center;
}
.cta-closing__column { flex: 1; }
.cta-closing__column--up { animation: oneteam-up 60s linear infinite; }
.cta-closing__column--down { animation: oneteam-down 68s linear infinite; }

.collage-tile {
  margin-bottom: 14px;
  border-radius: 14px;
  overflow: hidden;
  background: repeating-linear-gradient(135deg, var(--color-collage-a) 0 12px, var(--color-collage-b) 12px 24px);
}
.collage-tile img { width: 100%; height: auto; display: block; }

/* ===== フッター ===== */
.site-footer { background: var(--color-footer-bg); color: #fff; }
.site-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 30px clamp(24px, 4vw, 56px);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(20px, 4vw, 52px);
}
.site-footer__logo { height: 26px; width: auto; display: block; }
.site-footer__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #fff;
  text-decoration: none;
  transition: opacity 0.2s;
}
.site-footer__link:hover { opacity: 0.7; }
.site-footer__link-icon { display: inline-flex; width: 13px; height: 13px; color: #fff; }
.site-footer__link-icon svg { width: 100%; height: 100%; }
.site-footer__copyright { margin-left: auto; font-size: 13px; letter-spacing: 0.04em; color: rgba(255, 255, 255, 0.75); }

/* SP-only horizontal slide (see .sp-collage below); hidden on desktop by default */
.sp-collage { display: none; }

/* ===== SP (max-width: 768px) ===== */
@media (max-width: 768px) {
  .site-header__nav { display: none !important; }
  .apply__form-inner { padding-left: 0 !important; padding-right: 0 !important; }
  .hero__inner { grid-template-columns: 1fr !important; }
  .conditions__grid { grid-template-columns: 1fr !important; }
  .flow__grid { grid-template-columns: repeat(2, 1fr) !important; }
  .cases__grid { grid-template-columns: 1fr !important; }
  .cta-closing__grid { grid-template-columns: 1fr !important; min-height: auto !important; }
  .cta-closing__collage { display: none !important; }

  .sp-collage {
    display: block;
    overflow: hidden;
    margin-top: 32px;
    width: 100vw;
    position: relative;
    left: 50%;
    margin-left: -50vw;
  }
  .sp-collage__track {
    display: flex;
    align-items: center;
    width: max-content;
    animation: oneteam-scroll-x 40s linear infinite;
  }
  .sp-collage__item {
    flex: 0 0 auto;
    width: 220px;
    margin-right: 12px;
    border-radius: 14px;
    overflow: hidden;
    background: repeating-linear-gradient(135deg, var(--color-collage-a) 0 12px, var(--color-collage-b) 12px 24px);
  }
  .sp-collage__item img {
    width: 100%;
    height: auto;
    display: block;
  }
}