/* ============================================================
   ミライト算術ラボ LP — page-specific styles
   Extends ./site.css (which imports ./colors_and_type.css).
   ============================================================ */
@import url('./site.css');

/* Anchor scroll offset for sticky header */
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 88px; }

/* Typography overrides for the math-lab voice */
.lp-eyebrow {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mirait-green-600);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.lp-eyebrow::before {
  content: '';
  display: inline-block;
  width: 22px;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
}

.lp-h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.6vw, 60px);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 14px 0 18px;
  color: var(--fg-1);
  text-wrap: pretty;
}
.lp-h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.3;
  letter-spacing: -0.005em;
  margin: 0 0 18px;
  text-wrap: pretty;
}
.lp-h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.45;
  margin: 0 0 8px;
}
.lp-lead {
  font-size: 17px;
  line-height: 1.95;
  color: var(--fg-2);
  text-wrap: pretty;
}

/* Brand badge for hero */
.lp-badge {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
  background: var(--white);
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-sticker);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  overflow: hidden;
  border: 1.5px solid var(--mirait-green-200);
}
.lp-badge > span {
  padding: 8px 14px;
  white-space: nowrap;
}
.lp-badge > span + span {
  border-left: 1.5px solid var(--mirait-green-100);
}
.lp-badge > span.is-lead {
  background: var(--mirait-green);
  color: var(--fg-on-green);
}

/* Reassurance bullets */
.lp-reassure {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.lp-reassure li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--fg-1);
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--mirait-green-100);
  border-radius: var(--radius-md);
  padding: 12px 14px;
}
.lp-reassure .check {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--mirait-green-100);
  color: var(--mirait-green-600);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}

/* CTA helper variants */
.btn.btn-pink {
  background: var(--mirait-pink);
  color: var(--fg-on-pink);
  box-shadow: var(--shadow-sticker);
}
.btn.btn-pink:hover { background: var(--mirait-pink-600); }

.btn.is-large {
  padding: 18px 32px;
  font-size: 17px;
}

/* Section colored grounds */
.lp-section { padding: 88px 0; position: relative; }
.lp-section.tight { padding: 64px 0; }
.lp-section.bg-greige { background: var(--paper-2); }
.lp-section.bg-note   { background: var(--note-bg); }
.lp-section.bg-paper  { background: var(--paper); }
.lp-section.bg-green  { background: var(--mirait-green); color: var(--fg-on-green); }
.lp-section.bg-green .lp-h2,
.lp-section.bg-green .lp-eyebrow { color: var(--fg-on-green); }
.lp-section.bg-green .lp-eyebrow { opacity: 0.85; }

/* "Calm" direction — lighter on stickers, more typographic */
.dir-calm .blob-deco { display: none; }
.dir-calm .lp-sticker-deco { display: none; }
.dir-calm .marker {
  background: linear-gradient(180deg, transparent 65%, var(--mirait-green-100) 65%, var(--mirait-green-100) 92%, transparent 92%);
}

/* Floating CTA */
.lp-floating {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--mirait-green);
  color: var(--fg-on-green);
  padding: 12px 18px 12px 14px;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-lg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  border: 2px solid rgba(255,255,255,0.18);
  cursor: pointer;
  transition: transform var(--dur-base) var(--ease-bounce),
              box-shadow var(--dur-base) var(--ease-out-soft);
}
.lp-floating:hover { transform: translateX(-50%) translateY(-2px); }
.lp-floating .pulse {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--insta-orange);
  box-shadow: 0 0 0 0 rgba(230, 138, 63, 0.6);
  animation: lp-pulse 1.8s var(--ease-out-soft) infinite;
}
@keyframes lp-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(230,138,63,0.55); }
  70%  { box-shadow: 0 0 0 10px rgba(230,138,63,0); }
  100% { box-shadow: 0 0 0 0 rgba(230,138,63,0); }
}

/* Decorative blob behind hero */
.blob-deco {
  position: absolute;
  border-radius: var(--radius-blob);
  filter: blur(2px);
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

/* Sticker slap labels (used in Direction A) */
.lp-sticker-deco {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--insta-orange);
  color: var(--ink);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  box-shadow: var(--shadow-sticker);
  transform: rotate(-3deg);
}

/* Static check item used in empathy section */
.lp-check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--white);
  border: 1.5px solid var(--hairline);
  border-radius: var(--radius-md);
  font-size: 15px;
  line-height: 1.55;
  color: var(--fg-1);
}
.lp-check .box {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border: 1.8px solid var(--ink-3);
  border-radius: 6px;
  margin-top: 1px;
  background: var(--paper);
}

/* Empathy two-column groups */
.lp-checkgroup {
  background: var(--paper);
  border: 1.5px solid var(--mirait-green-100);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.lp-checkgroup h4 {
  font-family: var(--font-display);
  font-size: 16px;
  margin: 0 0 14px;
  color: var(--mirait-green-600);
  display: flex;
  align-items: center;
  gap: 10px;
}
.lp-checkgroup h4 .num {
  font-family: var(--font-numeric);
  background: var(--mirait-green);
  color: var(--fg-on-green);
  width: 26px; height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}
.lp-checkgroup ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Challenge cards (SEC.3) */
.lp-cards-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 900px) {
  .lp-cards-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .lp-cards-4 { grid-template-columns: 1fr; }
}
.lp-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 22px;
  border: 1.5px solid var(--hairline);
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  transition: transform var(--dur-base) var(--ease-out-soft),
              box-shadow var(--dur-base) var(--ease-out-soft);
}
.lp-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.lp-card .num-pill {
  align-self: flex-start;
  font-family: var(--font-numeric);
  font-weight: 800;
  background: var(--mirait-green-100);
  color: var(--mirait-green-600);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.lp-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  margin: 0;
  line-height: 1.45;
}
.lp-card .arrow-line {
  font-size: 13.5px;
  color: var(--fg-2);
  line-height: 1.6;
  border-top: 1px dashed var(--hairline);
  padding-top: 10px;
  margin-top: auto;
}

/* Pull-quote box for solution section */
.lp-pull {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  border: 2px solid var(--mirait-green);
  position: relative;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.55;
  text-align: center;
  text-wrap: balance;
  box-shadow: var(--shadow-md);
}
.lp-pull::before, .lp-pull::after {
  position: absolute;
  font-family: var(--font-display);
  font-size: 64px;
  color: var(--mirait-green-200);
  line-height: 1;
}
.lp-pull::before { content: '“'; top: 12px; left: 16px; }
.lp-pull::after  { content: '”'; bottom: -8px; right: 16px; }

/* Pillars (SEC.5) */
.lp-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 880px) {
  .lp-pillars { grid-template-columns: 1fr; }
}
.lp-pillar {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 28px;
  position: relative;
  overflow: hidden;
  border: 1.5px solid var(--hairline);
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}
.lp-pillar .pillar-num {
  font-family: var(--font-numeric);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--mirait-green-600);
}
.lp-pillar .pillar-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 26px;
  line-height: 1.25;
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.lp-pillar .pillar-title .latin {
  font-family: var(--font-hand);
  font-weight: 400;
  font-size: 18px;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}
.lp-pillar .pillar-sub {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--mirait-green-600);
  line-height: 1.5;
}
.lp-pillar .pillar-body {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--fg-2);
  margin: 0;
}
.lp-pillar .pillar-arrow {
  background: var(--mirait-green-50);
  border-left: 3px solid var(--mirait-green);
  padding: 12px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.55;
  color: var(--mirait-green-600);
}
.lp-pillar.is-pink .pillar-num,
.lp-pillar.is-pink .pillar-sub { color: var(--mirait-pink-600); }
.lp-pillar.is-pink .pillar-arrow {
  background: var(--mirait-pink-100);
  border-color: var(--mirait-pink);
  color: var(--mirait-pink-600);
}
.lp-pillar.is-orange .pillar-num,
.lp-pillar.is-orange .pillar-sub { color: var(--insta-orange); }
.lp-pillar.is-orange .pillar-arrow {
  background: var(--insta-orange-bg);
  border-color: var(--insta-orange);
  color: var(--insta-orange);
}

/* StuckMap (where-stuck visualization) */
.lp-stuckmap {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 28px 26px 36px;
  box-shadow: var(--shadow-md);
  border: 1.5px solid var(--mirait-green-100);
}
.lp-stuckmap h4 {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--fg-3);
  margin: 0 0 14px;
  text-transform: none;
}

/* Mobile stacking for hero */
@media (max-width: 920px) {
  .hero-grid { grid-template-columns: 1fr !important; gap: 36px !important; }
  .hero-visual { order: 2; }
  .hero-text   { order: 1; }
}

/* Two-col empathy */
.lp-empathy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 760px) {
  .lp-empathy-grid { grid-template-columns: 1fr; }
}

/* Single empathy checklist (no section split) */
.lp-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
@media (max-width: 760px) {
  .lp-checklist { grid-template-columns: 1fr; }
}

/* Reduce floating CTA padding on small screens */
@media (max-width: 480px) {
  .lp-floating { font-size: 13px; padding: 10px 14px 10px 12px; }
}

/* Navigation header tweaks */
.lp-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(246, 245, 239, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}
.lp-header .lockup {
  display: flex; align-items: center; gap: 10px;
}
.lp-header .lockup .mark {
  height: 36px; width: 36px;
}
.lp-header .lockup .name {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.lp-header .lockup .name .top {
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--mirait-green-600);
  font-weight: 700;
}
.lp-header .lockup .name .bot {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  color: var(--fg-1);
  letter-spacing: -0.005em;
}

@media (max-width: 760px) {
  .lp-header nav .desktop-only { display: none; }
}

/* Decorative number-line ticks utility */
.tick { stroke: var(--ink-3); stroke-width: 1.4; }