/* ============================================================
   結いの輪 LP — Section styles
   ============================================================ */

/* HEADER ====================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 239, 0.7);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background .2s ease;
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(250, 246, 239, 0.92);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand__mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #fff;
  padding: 4px;
}
.brand__wordmark { display: flex; flex-direction: column; line-height: 1.05; }
.brand__ja {
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.05em;
}
.brand__en {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
  letter-spacing: 0.18em;
  margin-top: 2px;
}
.site-nav {
  display: flex;
  gap: 32px;
}
.site-nav a {
  font-family: var(--font-round);
  font-size: 14px;
  color: var(--ink-2);
  font-weight: 500;
  position: relative;
  padding: 6px 0;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width .2s ease, left .2s ease;
}
.site-nav a:hover { color: var(--ink); }
.site-nav a:hover::after { width: 100%; left: 0; }
.site-header__cta { display: flex; gap: 10px; align-items: center; }
.site-header__cta .btn-ghost { padding: 10px 18px; font-size: 14px; }
.site-header__cta .btn-primary { padding: 10px 20px; font-size: 14px; }

@media (max-width: 960px) {
  .site-nav { display: none; }
  .site-header__cta .btn-ghost { display: none; }
}
@media (max-width: 520px) {
  .site-header__inner { height: 64px; }
  .brand__mark { width: 38px; height: 38px; }
  .brand__ja { font-size: 17px; }
}

/* HERO ======================================================== */
.hero {
  position: relative;
  padding: 80px 0 120px;
  overflow: hidden;
}
.hero__blobs { position: absolute; inset: 0; z-index: 0; }
.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 80px;
  align-items: center;
}
.hero__copy { display: flex; flex-direction: column; align-items: flex-start; }
.hero__title {
  font-family: var(--font-round);
  font-weight: 700;
  font-size: clamp(38px, 5.4vw, 68px);
  line-height: 1.35;
  letter-spacing: 0.04em;
  margin: 22px 0 0;
  color: var(--ink);
  text-wrap: balance;
}
.hero__title-accent {
  background: linear-gradient(180deg, transparent 60%, var(--primary-soft) 60% 92%, transparent 92%);
  padding: 0 6px;
}
.hero__lead {
  margin-top: 28px;
  font-size: 17px;
  line-height: 2;
  color: var(--ink-2);
}
.hero__actions {
  display: flex;
  gap: 12px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero__pills {
  margin: 56px 0 0;
  padding: 0;
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}
.hero__pill {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 16px;
  border-left: 2px solid var(--primary);
}
.hero__pill dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.hero__pill dd {
  margin: 0;
  font-family: var(--font-round);
  font-weight: 500;
  font-size: 14px;
  color: var(--ink);
}

.hero__visual {
  position: relative;
  height: 520px;
}
.hero__card {
  position: absolute;
  background: #fff;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
}
.hero__card--logo {
  bottom: -30px;
  right: -12px;
  width: 210px;
  z-index: 3;
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  border: 1px solid rgba(120, 100, 70, 0.08);
}
.hero__card--logo img {
  width: 78px;
  height: 78px;
  display: block;
}
.hero__card--logo .hero__card-name {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  width: 100%;
  white-space: nowrap;
}
.hero__card--logo .hero__card-name .ja {
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.08em;
  color: var(--ink);
}
.hero__card--logo .hero__card-name .en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  text-transform: lowercase;
}
/* double inner frame */
.hero__card-frame {
  position: absolute;
  inset: 10px;
  border-radius: calc(var(--r-lg) - 8px);
  border: 1px solid rgba(120, 100, 70, 0.16);
  pointer-events: none;
}
.hero__card-frame::before {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: calc(var(--r-lg) - 12px);
  border: 1px dashed rgba(120, 100, 70, 0.12);
}
/* big watermark kanji */
.hero__card-kanji {
  position: absolute;
  right: -22px;
  bottom: -42px;
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 220px;
  line-height: 1;
  color: var(--primary);
  opacity: 0.07;
  pointer-events: none;
  user-select: none;
}
.hero__card-top {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}
.hero__card-eyebrow {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--ink-3);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero__card-eyebrow .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}
/* circular seal / 印 */
.hero__card-seal {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 16px;
  background: rgba(255, 255, 255, 0.7);
  transform: rotate(-6deg);
  opacity: 0.85;
}
.hero__card-logowrap {
  position: relative;
  margin: 6px auto 14px;
  width: 100%;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__card-logowrap::before {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 45%, rgba(232, 146, 116, 0.10), transparent 70%);
}
.hero__card-logowrap img {
  position: relative;
  width: 86%;
  height: auto;
}
.hero__card-caption {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid rgba(120, 100, 70, 0.18);
  padding-top: 14px;
}
.hero__card-name {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.hero__card-name .ja {
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.1em;
  color: var(--ink);
}
.hero__card-name .en {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
  text-transform: lowercase;
}
.hero__card-tag {
  margin: 0;
  font-family: var(--font-round);
  font-weight: 500;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--ink-2);
  letter-spacing: 0.02em;
}
.hero__card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.hero__card-meta em {
  font-style: italic;
  color: var(--primary-deep);
  font-weight: 500;
  margin-right: 2px;
}
.hero__card-meta .bullet {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.6;
}
.hero__illus--a {
  position: absolute;
  top: 0;
  left: -40px;
  right: 60px;
  bottom: 60px;
  width: auto;
  z-index: 1;
  transform: rotate(-1.5deg);
}
.hero__illus--photo {
  background: #fff;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  padding: 10px;
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
}
.hero__illus--photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: calc(var(--r-lg) - 8px);
  display: block;
}
.hero__photo-caption {
  position: absolute;
  left: 18px;
  bottom: -16px;
  background: #fff;
  padding: 7px 16px;
  border-radius: 999px;
  font-family: var(--font-mincho);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  white-space: nowrap;
  z-index: 4;
}
.hero__illus--b { display: none; }
.hero__illus--b {
  position: absolute;
  bottom: 0;
  right: 60px;
  width: 220px;
  z-index: 2;
  transform: rotate(4deg);
}

@media (max-width: 960px) {
  .hero { padding: 56px 0 80px; }
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual { height: 460px; max-width: 520px; margin: 0 auto; }
  .br-pc { display: none; }
}
@media (max-width: 520px) {
  .hero__visual { height: 340px; }
  .hero__card--logo { width: 144px; padding: 12px 14px 14px; bottom: 10px; right: 0; }
  .hero__card--logo img { width: 60px; height: 60px; }
  .hero__card--logo .hero__card-name .ja { font-size: 14px; }
  .hero__illus--a { right: 30px; }
}

/* SECTION wrapper ============================================= */
.section { padding: 120px 0; position: relative; }
@media (max-width: 720px) { .section { padding: 80px 0; } }

.section-head { max-width: 760px; }
.section-head--center { margin: 0 auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--center .eyebrow::before { display: inline-block; }
.section-head--center .section-lead { margin-left: auto; margin-right: auto; }
.section-head--split {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 60px;
  align-items: end;
}
@media (max-width: 880px) {
  .section-head--split { grid-template-columns: 1fr; gap: 24px; }
}

/* PROBLEM ===================================================== */
.problem { background: var(--bg-2); }
.stat-grid {
  list-style: none;
  padding: 0;
  margin: 64px 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--bg);
  border-radius: var(--r-lg);
  padding: 32px 30px 28px;
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.stat-card::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: calc(var(--r-lg) - 6px);
  border: 1px dashed rgba(120, 100, 70, 0.1);
  pointer-events: none;
}

.stat-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.stat-card__category {
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--ink);
  padding-left: 12px;
  position: relative;
}
.stat-card__category::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral-deep);
}
.stat-card.tint-sage  .stat-card__category::before { background: var(--sage-deep); }
.stat-card.tint-teal  .stat-card__category::before { background: var(--teal-deep); }
.stat-card__index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-3);
}

.stat-card__numwrap {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.stat-card__num {
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 76px;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.stat-card__unit {
  font-family: var(--font-mincho);
  font-weight: 500;
  font-size: 26px;
  line-height: 1;
  color: var(--ink-2);
  letter-spacing: 0.02em;
}

.stat-card__dots {
  display: flex;
  gap: 6px;
  align-items: center;
}
.stat-card__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line);
  transition: background .2s ease;
}
.stat-card.tint-coral .stat-card__dot.is-on { background: var(--coral); }
.stat-card.tint-sage  .stat-card__dot.is-on { background: var(--sage); }
.stat-card.tint-teal  .stat-card__dot.is-on { background: var(--teal); }

.stat-card__label {
  font-family: var(--font-round);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink);
  text-wrap: pretty;
}
.stat-card__source {
  margin-top: -4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--ink-3);
  letter-spacing: 0.08em;
}
@media (max-width: 720px) { .stat-grid { grid-template-columns: 1fr; } }

.problem__quote {
  margin: 96px auto 0;
  max-width: 820px;
  text-align: center;
  padding: 0;
}
.problem__quote-eyebrow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin-bottom: 36px;
}
.problem__quote-eyebrow .line {
  flex: 1;
  max-width: 120px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 30%, var(--line) 70%, transparent);
}
.problem__quote-eyebrow .label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mincho);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--ink-2);
  font-weight: 500;
}
.problem__quote-eyebrow .label .kanji {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--primary);
  color: var(--primary);
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0;
  transform: rotate(-4deg);
  background: rgba(255, 255, 255, 0.6);
}
.problem__quote-text {
  position: relative;
  margin: 0 auto;
  padding: 0 32px;
  font-family: var(--font-mincho);
  font-weight: 500;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.85;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-wrap: balance;
}
.problem__quote-text strong {
  font-weight: 700;
  background: linear-gradient(180deg, transparent 65%, var(--primary-soft) 65% 92%, transparent 92%);
  padding: 0 4px;
}
.problem__quote-text em {
  font-style: normal;
  border-bottom: 1px solid var(--primary);
  padding-bottom: 2px;
}
.problem__quote-attr {
  margin-top: 32px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.problem__quote-attr .dash {
  color: var(--primary-deep);
}
@media (max-width: 720px) {
  .problem__quote { margin-top: 64px; }
  .problem__quote-text { padding: 0 8px; }
  .problem__quote-eyebrow .line { max-width: 60px; }
}

/* VISION ====================================================== */
.vision__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 80px;
  align-items: start;
}
.vision__principles {
  margin-top: 56px;
  display: grid;
  gap: 22px;
}
.vision__principles article {
  position: relative;
  padding: 24px 24px 24px 80px;
  background: var(--bg-2);
  border-radius: var(--r-md);
  border: 1px solid var(--line);
}
.vision__num {
  position: absolute;
  top: 24px;
  left: 24px;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
}
.vision__principles article:nth-child(2) .vision__num { background: var(--sage-deep); }
.vision__principles article:nth-child(3) .vision__num { background: var(--teal-deep); }
.vision__principles h3 {
  margin: 0 0 6px;
  font-family: var(--font-round);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}
.vision__principles p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}
.vision__visual {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.vision__photo {
  position: relative;
  background: #fff;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  padding: 10px;
  display: flex;
}
.vision__photo img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: calc(var(--r-lg) - 8px);
  display: block;
}
.vision__photo-caption {
  position: absolute;
  left: 18px;
  bottom: -16px;
  background: #fff;
  padding: 7px 16px;
  border-radius: 999px;
  font-family: var(--font-mincho);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line);
  white-space: nowrap;
  z-index: 4;
}
.vision__caption {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  background: var(--bg);
  border: 1px dashed var(--line);
  border-radius: var(--r-md);
}
.vision__caption .mono {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.vision__caption p {
  margin: 0;
  font-family: var(--font-mincho);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink);
}

@media (max-width: 960px) {
  .vision__inner { grid-template-columns: 1fr; gap: 48px; }
  .vision__visual { position: static; max-width: 420px; }
}

/* FEATURES ==================================================== */
.features { background: var(--bg-2); padding: 88px 0; }
.features .section-head { margin-bottom: 40px; }
.feature-grid {
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
@media (max-width: 1080px) { .feature-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px)  { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px)  { .feature-grid { grid-template-columns: 1fr; } }

.feature-card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.feature-card__icon {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary-deep);
}
.feature-card__icon svg { width: 20px; height: 20px; }
.feature-card.tint-coral .feature-card__icon { background: #fceee7; color: var(--coral-deep); }
.feature-card.tint-sage  .feature-card__icon { background: #eef4e6; color: var(--sage-deep); }
.feature-card.tint-teal  .feature-card__icon { background: #e8f0f2; color: var(--teal-deep); }
.feature-card.tint-pink  .feature-card__icon { background: #fbe9ee; color: #b8556a; }

.feature-card__body h3 {
  margin: 0 0 4px;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.feature-card__badge {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  padding: 2px 6px;
  border: 1px dashed var(--line);
  border-radius: 999px;
}
.feature-card__body p {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-2);
}
.feature-card__num {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  opacity: 0.55;
}

/* USE CASES =================================================== */
.usecase-list {
  margin-top: 64px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}
.usecase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: center;
  padding: 36px 0;
  border-top: 1px solid var(--line);
}
.usecase:first-child { border-top: 0; padding-top: 0; }
.usecase:nth-child(even) { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
.usecase:nth-child(even) .usecase__media { order: 2; }
.usecase:nth-child(even) .usecase__body { order: 1; }
.usecase__media .illus-placeholder { width: 100%; }
.usecase__photo {
  position: relative;
  background: #fff;
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  padding: 10px;
  display: flex;
  aspect-ratio: 4 / 3;
}
.usecase__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: calc(var(--r-lg) - 8px);
  display: block;
}
.usecase__meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.usecase__step {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--primary-deep);
  font-weight: 500;
}
.usecase__who {
  font-family: var(--font-round);
  font-size: 12px;
  color: var(--ink-3);
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.usecase__when {
  margin: 0 0 14px;
  font-family: var(--font-mincho);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}
.usecase__title {
  margin: 0 0 18px;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.55;
  color: var(--ink);
  text-wrap: balance;
}
.usecase__body-text {
  margin: 0;
  font-size: 15px;
  line-height: 2;
  color: var(--ink-2);
}

@media (max-width: 880px) {
  .usecase {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .usecase:nth-child(even) { grid-template-columns: 1fr; }
  .usecase:nth-child(even) .usecase__media { order: 0; }
  .usecase:nth-child(even) .usecase__body { order: 0; }
}

/* CTA ========================================================= */
.cta { padding-top: 60px; padding-bottom: 120px; }
.cta__card {
  position: relative;
  background:
    radial-gradient(120% 80% at 50% 0%, #fffaf3 0%, #fff 60%);
  border-radius: var(--r-xl);
  padding: 84px 60px 64px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.6);
  overflow: hidden;
  text-align: center;
}
.cta__card::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: calc(var(--r-xl) - 8px);
  border: 1px dashed rgba(120, 100, 70, 0.12);
  pointer-events: none;
}
.cta__kanji {
  position: absolute;
  right: -30px;
  bottom: -120px;
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 460px;
  line-height: 0.85;
  color: var(--primary);
  opacity: 0.05;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

/* Top row: seal · eyebrow · chapter */
.cta__top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  z-index: 1;
}
.cta__seal {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) rotate(-6deg);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1.5px solid var(--primary);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 17px;
  background: rgba(255, 255, 255, 0.7);
}
.cta__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-2);
  font-weight: 500;
}
.cta__eyebrow-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
}
.cta__chapter {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-3);
}

.cta__title {
  position: relative;
  margin: 14px 0 0;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ink);
  z-index: 1;
  text-wrap: balance;
}
.cta__title .accent {
  color: var(--primary-deep);
  font-family: var(--font-mincho);
  font-weight: 700;
}
.cta__lead {
  position: relative;
  margin: 24px auto 0;
  max-width: 640px;
  font-size: 15px;
  line-height: 2;
  color: var(--ink-2);
  z-index: 1;
}

/* Notify form */
.cta__notify {
  position: relative;
  margin: 48px auto 0;
  max-width: 520px;
  padding: 24px 26px 22px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  backdrop-filter: blur(8px);
  z-index: 1;
  text-align: left;
}
.cta__notify-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
  margin-bottom: 14px;
}
.cta__notify-mark {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}
.cta__notify-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.cta__notify-input {
  flex: 1;
  min-width: 0;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--ink);
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.cta__notify-input::placeholder { color: var(--ink-3); font-family: var(--font-mono); font-size: 13px; }
.cta__notify-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft);
}
.cta__notify-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  font-family: var(--font-round);
  font-weight: 500;
  font-size: 14px;
  transition: background .15s ease, transform .15s ease;
  white-space: nowrap;
}
.cta__notify-btn:hover { background: var(--primary-deep); transform: translateY(-1px); }
.cta__notify-note {
  margin: 12px 0 0;
  font-size: 11.5px;
  color: var(--ink-3);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* "To be continued" footer */
.cta__continue-wrap {
  position: relative;
  margin: 56px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  z-index: 1;
}
.cta__continue-line {
  flex: 1;
  max-width: 100px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line) 30%, var(--line) 70%, transparent);
}
.cta__continue-text {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--ink-3);
}

@media (max-width: 720px) {
  .cta__card { padding: 64px 24px 48px; border-radius: var(--r-lg); }
  .cta__top { flex-wrap: wrap; gap: 14px; justify-content: center; }
  .cta__chapter { width: 100%; text-align: center; }
  .cta__notify-row { flex-direction: column; }
  .cta__kanji { font-size: 320px; bottom: -80px; right: -40px; }
}
.cta__actions {
  position: relative;
  margin-top: 36px;
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Roadmap (coming-soon variant) */
.cta__roadmap {
  position: relative;
  list-style: none;
  margin: 56px auto 0;
  padding: 32px 0 0;
  border-top: 1px dashed var(--line);
  max-width: 760px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  text-align: left;
}
.cta__roadmap::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 50px;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
  z-index: 0;
}
.cta__roadmap li {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 0 12px;
  text-align: center;
  z-index: 1;
}
.cta__roadmap-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1.5px solid var(--line);
  color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
}
.cta__roadmap li.is-done .cta__roadmap-mark {
  background: var(--ink);
  border-color: var(--ink);
}
.cta__roadmap li.is-current .cta__roadmap-mark {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: 0 0 0 6px var(--primary-soft);
}
.cta__roadmap-step {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--ink-3);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.cta__roadmap li.is-current .cta__roadmap-step {
  color: var(--primary-deep);
  font-weight: 500;
}
.cta__roadmap-label {
  font-family: var(--font-round);
  font-weight: 500;
  font-size: 14px;
  color: var(--ink);
  line-height: 1.6;
}
.cta__continue {
  position: relative;
  margin: 40px 0 0;
  font-family: var(--font-mincho);
  font-size: 15px;
  color: var(--ink-3);
  letter-spacing: 0.06em;
  font-style: italic;
}
.cta__continue .mono {
  font-family: var(--font-mono);
  font-style: normal;
  letter-spacing: 0.18em;
  font-size: 12px;
}

@media (max-width: 720px) {
  .cta__roadmap { grid-template-columns: 1fr; gap: 22px; }
  .cta__roadmap::before { display: none; }
  .cta__roadmap li { flex-direction: row; gap: 16px; text-align: left; align-items: center; }
  .cta__roadmap li > div { display: flex; flex-direction: column; }
}
.cta__points {
  position: relative;
  list-style: none;
  margin: 48px 0 0;
  padding: 24px 0 0;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 28px;
  font-family: var(--font-round);
  font-size: 13px;
  color: var(--ink-2);
}
.cta__points li {
  position: relative;
  padding-left: 18px;
}
.cta__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 8px;
  height: 8px;
  margin-top: -4px;
  border-radius: 50%;
  background: var(--primary);
}
@media (max-width: 720px) {
  .cta__card { padding: 56px 24px; border-radius: var(--r-lg); }
}

/* FOOTER ====================================================== */
.site-footer {
  background: var(--bg-3);
  color: var(--ink-2);
  padding-top: 72px;
}
.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr);
  gap: 64px;
  padding-bottom: 56px;
}
.site-footer__brand {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.site-footer__mark {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: #fff;
  padding: 4px;
}
.site-footer__name {
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  letter-spacing: 0.04em;
}
.site-footer__name span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  font-weight: 400;
  letter-spacing: 0.16em;
  margin-left: 4px;
}
.site-footer__tag {
  margin: 8px 0 0;
  font-family: var(--font-mincho);
  font-size: 14px;
  color: var(--ink-2);
}
.site-footer__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.site-footer__cols h4 {
  margin: 0 0 16px;
  font-family: var(--font-round);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--ink);
}
.site-footer__cols ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.site-footer__cols li {
  font-size: 13.5px;
  color: var(--ink-2);
}
.site-footer__cols li .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-3);
}
.site-footer__cols a:hover { color: var(--primary-deep); }
.site-footer__bottom {
  border-top: 1px solid rgba(120, 100, 70, 0.15);
  padding: 22px 0;
  background: rgba(0, 0, 0, 0.02);
}
.site-footer__bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--ink-3);
}
.site-footer__bottom .mono { font-family: var(--font-mono); letter-spacing: 0.1em; }

@media (max-width: 880px) {
  .site-footer__inner { grid-template-columns: 1fr; gap: 40px; }
  .site-footer__cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .site-footer__cols { grid-template-columns: 1fr; gap: 28px; }
  .site-footer__bottom .container { flex-direction: column; gap: 8px; }
}

/* Heart accent toggle ========================================= */
body.no-heart .hero__title-accent,
body.no-heart .vision__visual,
body.no-heart .cta__title .accent {
  /* no-op placeholder — toggle hooked for future heart-shaped flourishes */
}