/**
 * /line/ landing — earaku.com/line/ section flow, Monons brand surface.
 * LINE channel green only for channel accents / ID highlight.
 */

.mns-line-page {
  --mns-line-page-pad: clamp(48px, 7vw, 88px);
  --mns-line-page-gap: clamp(16px, 2vw, 24px);
  --mns-line-page-card: #fff;
  color: var(--mns-ink, #2e2f2f);
  background: var(--mns-bg, #f4f4f2);
}

.mns-line-page__inner {
  display: grid;
  justify-items: center;
  gap: var(--mns-line-page-gap);
  width: min(100% - (var(--mns-gutter, 20px) * 2), 920px);
  margin-inline: auto;
  text-align: center;
}

/* ---- Hero image (optional) ---- */
.mns-line-page__hero {
  background: #fff;
  border-bottom: 1px solid var(--mns-line, #e8e8e8);
}

.mns-line-page__hero-media {
  width: min(100%, 1160px);
  margin-inline: auto;
  padding: clamp(16px, 3vw, 32px) var(--mns-gutter, 20px) 0;
}

.mns-line-page__hero-img {
  width: 100%;
  height: auto;
  margin-inline: auto;
}

/* ---- Intro / CTA ---- */
.mns-line-page__intro {
  position: relative;
  overflow: hidden;
  padding-block: var(--mns-line-page-pad);
  background: #fff;
  border-bottom: 1px solid var(--mns-line, #e8e8e8);
}

.mns-line-page__intro-title {
  margin: 0;
  max-width: 18em;
  font-size: var(--mns-fs-h1, 1.75rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.02em;
  white-space: normal;
}

.mns-line-page__intro-body {
  margin: 0;
  max-width: 28em;
  color: var(--mns-text, #2e2f2f);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 650;
  line-height: 1.7;
}

.mns-line-page__mark {
  background: linear-gradient(
    transparent 62%,
    color-mix(in srgb, var(--mns-line-brand, #06c755) 22%, #fff) 62%
  );
}

.mns-line-page__add-btn {
  display: inline-flex;
  line-height: 0;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.mns-line-page__add-btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
}

.mns-line-page__add-btn:focus-visible {
  outline: 2px solid var(--mns-ink, #2e2f2f);
  outline-offset: 4px;
  border-radius: var(--mns-radius, 4px);
}

.mns-line-page__add-btn img {
  width: min(232px, 72vw);
  height: auto;
}

.mns-line-page__notice {
  margin: 0;
  color: var(--mns-muted, #878887);
  font-size: max(var(--mns-text-min, 12px), 0.8125rem);
  font-weight: 400;
  line-height: 1.7;
}

/* ---- Points ---- */
.mns-line-page__points {
  padding-block: var(--mns-line-page-pad);
  background: var(--mns-bg, #f4f4f2);
}

.mns-line-page__point-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.5vw, 28px);
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}

.mns-line-page__point {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: clamp(22px, 3vw, 32px) clamp(16px, 2vw, 24px);
  border: 1px solid var(--mns-line, #e8e8e8);
  border-radius: var(--mns-radius, 4px);
  background: #fff;
  text-align: center;
}

.mns-line-page__point-media {
  width: min(100%, 220px);
  margin-inline: auto;
}

.mns-line-page__point-img {
  width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: contain;
}

.mns-line-page__point-num {
  display: inline-grid;
  place-items: center;
  min-width: 2.5rem;
  min-height: 2.5rem;
  padding: 0 0.5rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--mns-line-brand, #06c755) 12%, #fff);
  color: var(--mns-line-brand, #06c755);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.mns-line-page__point-title {
  margin: 0;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 700;
  line-height: 1.4;
}

.mns-line-page__point-body {
  margin: 0;
  color: var(--mns-text, #2e2f2f);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.75;
}

/* ---- How to add ---- */
.mns-line-page__howto {
  padding-block: var(--mns-line-page-pad);
  background: #fff;
  border-block: 1px solid var(--mns-line, #e8e8e8);
}

.mns-line-page__howto-card {
  gap: clamp(28px, 4vw, 40px);
  padding: clamp(28px, 4vw, 48px) clamp(18px, 3vw, 36px);
  border: 1px solid var(--mns-line, #e8e8e8);
  border-radius: var(--mns-radius, 4px);
  background: var(--mns-bg, #f4f4f2);
}

.mns-line-page__section-title {
  margin: 0;
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.04em;
}

.mns-line-page__section-title--light {
  color: #fff;
}

.mns-line-page__howto-block {
  display: grid;
  gap: 16px;
  width: 100%;
  text-align: left;
}

.mns-line-page__howto-block--qr {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(20px, 4vw, 40px);
}

.mns-line-page__sub-title {
  margin: 0 0 8px;
  font-size: clamp(1.05rem, 1.7vw, 1.2rem);
  font-weight: 700;
  line-height: 1.4;
}

.mns-line-page__text {
  margin: 0;
  color: var(--mns-text, #2e2f2f);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.8;
}

.mns-line-page__line-id {
  color: var(--mns-line-brand, #06c755);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.mns-line-page__qr {
  justify-self: center;
}

.mns-line-page__qr-img {
  width: min(180px, 42vw);
  height: auto;
  background: #fff;
  border: 1px solid var(--mns-line, #e8e8e8);
  border-radius: var(--mns-radius, 4px);
  padding: 8px;
}

.mns-line-page__qr-placeholder {
  display: grid;
  place-items: center;
  gap: 6px;
  width: min(180px, 42vw);
  aspect-ratio: 1;
  padding: 12px;
  border: 1px solid var(--mns-line, #e8e8e8);
  border-radius: var(--mns-radius, 4px);
  background: #fff;
  color: var(--mns-muted, #878887);
  text-align: center;
}

.mns-line-page__qr-placeholder-label {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--mns-ink, #2e2f2f);
  letter-spacing: 0.08em;
}

.mns-line-page__qr-placeholder-id {
  color: var(--mns-line-brand, #06c755);
  font-weight: 700;
  font-size: 0.95rem;
}

.mns-line-page__qr-placeholder-hint {
  font-size: max(var(--mns-text-min, 12px), 0.7rem);
  line-height: 1.4;
}

.mns-line-page__howto-media {
  width: 100%;
  margin-top: 8px;
  padding: 12px;
  border-radius: var(--mns-radius, 4px);
  background: #fff;
  border: 1px solid var(--mns-line, #e8e8e8);
}

.mns-line-page__howto-img {
  width: 100%;
  height: auto;
}

.mns-line-page__mobile-guide {
  margin: 0;
  font-size: 1rem;
  font-weight: 650;
  line-height: 1.7;
}

/* ---- Details ---- */
.mns-line-page__details {
  padding-block: var(--mns-line-page-pad);
  background: var(--mns-primary, #2e2f2f);
  color: #fff;
}

.mns-line-page__details .mns-line-page__inner {
  gap: clamp(28px, 4vw, 48px);
}

.mns-line-page__benefit {
  width: 100%;
  text-align: left;
}

.mns-line-page__benefit-title {
  margin: 0 0 14px;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 700;
  letter-spacing: 0.03em;
}

.mns-line-page__benefit--primary .mns-line-page__benefit-title {
  color: color-mix(in srgb, var(--mns-line-brand, #06c755) 70%, #fff);
}

.mns-line-page__benefit--accent .mns-line-page__benefit-title {
  color: color-mix(in srgb, var(--mns-accent, #9ea7a2) 55%, #fff);
}

.mns-line-page__benefit-box {
  display: grid;
  gap: 16px;
}

.mns-line-page__benefit-sub {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
}

.mns-line-page__benefit-intro {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
  line-height: 1.7;
}

.mns-line-page__steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  align-items: stretch;
}

.mns-line-page__step {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: 10px;
  height: 100%;
  box-sizing: border-box;
  padding: 14px;
  border-radius: var(--mns-radius, 4px);
  background: color-mix(in srgb, #fff 8%, transparent);
  border: 1px solid color-mix(in srgb, #fff 10%, transparent);
}

.mns-line-page__step-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.mns-line-page__step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border-radius: 50%;
  background: var(--mns-line-brand, #06c755);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1;
  flex-shrink: 0;
}

.mns-line-page__step-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--mns-radius, 4px);
  background: color-mix(in srgb, #fff 10%, transparent);
  aspect-ratio: 4 / 3;
}

.mns-line-page__step-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mns-line-page__step-text {
  margin: 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.65;
}

.mns-line-page__step-text--mobile {
  display: none;
}

.mns-line-page__step-text--desktop {
  display: block;
}

.mns-line-page__benefit-note {
  margin: 0;
  padding-top: 4px;
  border-top: 1px solid color-mix(in srgb, #fff 12%, transparent);
  color: rgba(255, 255, 255, 0.62);
  font-size: max(var(--mns-text-min, 12px), 0.8125rem);
  line-height: 1.7;
}

/* ---- Closing CTA ---- */
.mns-line-page__closing {
  padding-block: var(--mns-line-page-pad);
  background: #fff;
  border-top: 1px solid var(--mns-line, #e8e8e8);
}

.mns-line-page__closing-title {
  margin: 0;
  max-width: 22em;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: 0.02em;
}

@media (max-width: 760px) {
  .mns-line-page__point-list {
    grid-template-columns: 1fr;
  }

  .mns-line-page__howto-block--qr {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
  }

  .mns-line-page__howto-copy {
    text-align: center;
  }

  .mns-line-page__howto-block--id {
    text-align: center;
  }

  .mns-line-page__steps {
    grid-template-columns: 1fr;
  }

  .mns-line-page__step-text--mobile {
    display: block;
  }

  .mns-line-page__step-text--desktop {
    display: none;
  }
}