/* ========================================
   CSS Custom Properties
   ======================================== */
:root {
  --main: #002D5B;
  --accent: #00AEEF;
  --sub-bg: #F4F7FA;
  --text: #334155;
  --text-sub: #6B7280;
  --white: #FFFFFF;
  --border: #E2E8F0;
  --font: 'Noto Sans JP', sans-serif;
}

/* ========================================
   Reset & Base
   ======================================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ========================================
   Layout Utilities
   ======================================== */
.inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}
.inner--wide {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.inner--narrow {
  max-width: 920px;
  margin: 0 auto;
  padding: 0 24px;
}
.inner--case {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ========================================
   Section Base
   ======================================== */
.section {
  padding: 80px 16px;
}
.section--bg {
  padding: 80px 16px;
  background: var(--sub-bg);
}
.section--dark {
  padding: 80px 16px;
  background: #061F39;
  color: rgba(255,255,255,0.72);
}
.section--concept {
  padding: 80px 16px;
  background: #0B1528;
  color: rgba(255,255,255,0.7);
  position: relative;
  overflow: hidden;
}
.section--results {
  padding: 80px 16px;
  background: linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  position: relative;
  overflow: hidden;
}
.section--cta-mid {
  padding: 56px 16px;
  background: linear-gradient(135deg, #002D5B 0%, #003D7A 100%);
  position: relative;
  overflow: hidden;
}
.section--cta-btm {
  padding: 80px 24px;
  background: var(--main);
  color: var(--white);
}
.section--case {
  padding: 80px 16px;
  background: linear-gradient(180deg, #F8FAFC 0%, #EFF6FF 100%);
  position: relative;
  overflow: hidden;
}
.section--benefits {
  padding: 80px 16px;
  background: #F8FAFC;
}
.section--iceberg {
  padding: 80px 16px;
  background: var(--sub-bg);
  position: relative;
  overflow: hidden;
}

/* ========================================
   Section Headers
   ======================================== */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header--left {
  margin-bottom: 40px;
}
.section-title {
  font-size: 26px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--main);
  letter-spacing: -0.01em;
}
.section-title--white {
  color: var(--white);
}
.section-title--lg {
  font-size: 28px;
}
.section-sub {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.95;
  color: #64748B;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.section-sub--white {
  color: rgba(255,255,255,0.72);
}
.accent { color: var(--accent); }
.highlight-underline {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(0,174,239,0.3);
  text-decoration-thickness: 4px;
}

/* ========================================
   Header
   ======================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  background: var(--white);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.header__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}
@media (min-width: 820px) {
  .header__inner { padding: 12px 32px; }
}
.logo-link { flex-shrink: 0; }
.logo-img { height: 24px; width: auto; }
@media (min-width: 820px) {
  .logo-img { height: 28px; }
}

/* Desktop Nav */
.nav-desktop {
  display: none;
  align-items: center;
  gap: 4px;
}
@media (min-width: 820px) {
  .nav-desktop { display: flex; }
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 4px;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font);
  transition: background 0.15s;
}
.nav-item:hover { background: #F8FAFC; }
.nav-item__arrow {
  width: 14px;
  height: 14px;
  transition: transform 0.2s;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}
.nav-dropdown__menu {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  top: 100%;
  left: 0;
  margin-top: 4px;
  min-width: 270px;
  border-radius: 12px;
  background: var(--white);
  padding: 8px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  border: 1px solid var(--border);
  transition: all 0.2s;
  z-index: 60;
}
.nav-dropdown:hover .nav-dropdown__menu { visibility: visible; opacity: 1; }
.nav-dropdown:hover .nav-item__arrow { transform: rotate(180deg); }
.nav-dropdown__link {
  display: block;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  transition: background 0.15s;
}
.nav-dropdown__link:hover { background: #F8FAFC; }

/* Header buttons */
.header__actions {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}
.btn-outline--pill {
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--main);
  border: 1.5px solid var(--main);
  border-radius: 9999px;
  background: transparent;
  transition: all 0.2s;
}
.btn-outline--pill:hover {
  background: var(--main);
  color: var(--white);
}
.btn-primary--pill {
  padding: 8px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  background: linear-gradient(135deg, var(--accent), #0070C0);
  border-radius: 9999px;
  transition: opacity 0.2s;
}
.btn-primary--pill:hover {
  opacity: 0.85;
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
}
@media (min-width: 820px) {
  .hamburger { display: none; }
}
.hamburger__line {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 9999px;
  background: var(--text);
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  border-top: 1px solid var(--border);
  background: var(--white);
  padding: 12px 24px 20px;
}
@media (min-width: 820px) {
  .mobile-menu { display: none !important; }
}
.mobile-menu.is-open { display: block; }
.mobile-menu__links { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu__link {
  display: block;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: background 0.15s;
}
.mobile-menu__link:hover { background: #F8FAFC; }
.mobile-menu__divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}
.mobile-menu__actions {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-menu__btn {
  display: block;
  border-radius: 9999px;
  padding: 12px;
  text-align: center;
  font-size: 14px;
  font-weight: 700;
}
.mobile-menu__btn--outline {
  color: var(--main);
  border: 1.5px solid var(--main);
}
.mobile-menu__btn--primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--accent), #0070C0);
}

/* ========================================
   Hero / FV
   ======================================== */
.hero-wrapper {
  background: linear-gradient(180deg, #FFFFFF, #F4F7FA);
}
.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 40px 24px 40px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  text-align: left;
}
.hero-grid > *:first-child {
  justify-self: start;
}
.hero-title {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.45;
  color: var(--main);
  max-width: 720px;
  text-align: left;
}
.hero-desc {
  margin-top: 24px;
  font-size: 17px;
  line-height: 1.9;
  color: #64748B;
  max-width: 680px;
}
.hero-desc .brand {
  font-weight: 700;
  color: var(--main);
}
.hero-cta {
  margin-top: 16px;
}
.hero-cta a {
  display: inline-block;
  transition: transform 0.3s;
}
.hero-cta a:hover {
  transform: translateY(-4px) scale(1.02);
}
/* Make CTA SVGs responsive on mobile */
.hero-cta svg,
.cta-mid svg,
.cta-btn-wrap svg,
.section--cta svg {
  width: 100% !important;
  max-width: 520px;
  height: auto !important;
}
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (min-width: 820px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}
.hero-visual svg {
  width: 100%;
  max-width: 560px;
}

/* ========================================
   Problem / Signal Section
   ======================================== */
.problem {
  max-width: 1120px;
  margin: 0 auto;
  padding: 80px 24px;
}
.problem__header {
  text-align: center;
}
.problem__title {
  font-size: 26px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--main);
}
.problem__sub {
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.9;
  color: #64748B;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* Signal Badge */
.signal-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 700;
  background: rgba(0,174,239,0.08);
  color: var(--accent);
}
.signal-badge svg {
  width: 16px;
  height: 16px;
}

/* Signal Cards Grid */
.signal-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}
.signal-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.signal-card__icon {
  width: 100%;
  max-width: 160px;
  margin-bottom: 20px;
}
.signal-card__icon svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 6px 10px rgba(0,45,91,0.06));
}
.signal-card__num {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  background: rgba(0,174,239,0.08);
  margin-bottom: 12px;
}
.signal-card__title {
  font-size: 16px;
  font-weight: 700;
  color: var(--main);
  margin-bottom: 8px;
}
.signal-card__desc {
  font-size: 13px;
  line-height: 1.8;
  color: #64748B;
}
@media (max-width: 820px) {
  .signal-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}
@media (max-width: 480px) {
  .signal-grid { grid-template-columns: 1fr; gap: 24px; }
  .signal-card__icon { max-width: 140px; }
  .signal-card__title { font-size: 15px; }
}

/* Story Bridge */
.story-bridge {
  margin: 56px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}
.story-bridge__text {
  padding: 12px 32px;
  border-radius: 9999px;
  font-size: 16px;
  font-weight: 700;
  color: var(--main);
  background: var(--sub-bg);
}

/* Loss Cards (dark) */
.loss-panel {
  border-radius: 32px;
  padding: 32px;
  background: #0B1C33;
  box-shadow: 0 12px 40px rgba(0,45,91,0.15);
}
.loss-grid {
  display: grid;
  gap: 24px;
}
.loss-card {
  border-radius: 24px;
  padding: 32px;
  background: #1A3152;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.loss-card__icon {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  background: rgba(255,126,109,0.12);
  border: 1px solid rgba(255,126,109,0.2);
}
.loss-card__icon svg {
  width: 48px;
  height: 48px;
}
.loss-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.loss-card__desc {
  font-size: 14px;
  line-height: 1.8;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
}
.loss-note {
  margin-top: 40px;
  display: flex;
  justify-content: center;
}
.loss-note__inner {
  border-radius: 16px;
  padding: 20px 32px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.06);
}
.loss-note__text {
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
  text-align: center;
}

/* ========================================
   Iceberg Section
   ======================================== */
.iceberg__top {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
  margin-bottom: 80px;
}
.iceberg__message {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.iceberg__title {
  font-size: 26px;
  font-weight: 900;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--main);
}
.iceberg__desc {
  font-size: 16px;
  line-height: 1.7;
  font-weight: 500;
  color: #64748B;
}
.iceberg__visual {
  flex: 1;
  width: 100%;
  max-width: 520px;
  position: relative;
  margin: 40px auto 0;
}
.iceberg__label {
  position: absolute;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-radius: 12px;
  padding: 10px 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.3s;
  cursor: default;
  z-index: 10;
}
.iceberg__label:hover {
  transform: scale(1.05);
}
.iceberg__label--top {
  top: 5%;
  right: 0;
  border: 1px solid #DDEFFA;
}
.iceberg__label--bottom {
  top: 60%;
  left: 0;
  border: 1px solid #BFE8F8;
  padding: 12px 16px;
}
.iceberg__label-icon {
  display: flex;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 8px;
  color: var(--accent);
  background: rgba(0,174,239,0.06);
}
.iceberg__label-icon svg {
  width: 16px;
  height: 16px;
}
.iceberg__label-icon--circle {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,174,239,0.1);
  color: var(--accent);
}
.iceberg__label-icon--circle svg {
  width: 20px;
  height: 20px;
}
.iceberg__label-text {
  display: flex;
  flex-direction: column;
}
.iceberg__label-text small {
  font-size: 10px;
  font-weight: 700;
  color: var(--accent);
}
.iceberg__label-text span {
  font-size: 12px;
  font-weight: 700;
  color: var(--main);
  white-space: nowrap;
}

/* Iceberg Case Cards */
.iceberg-cards {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 64px;
  position: relative;
}
.iceberg-card {
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  padding: 24px;
  flex: 1;
  border: 1px solid var(--border);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.iceberg-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}
/* iceberg-card__corner removed */
.iceberg-card__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.iceberg-card__num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-weight: 900;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,174,239,0.1);
  color: var(--accent);
}
.iceberg-card__icon {
  width: 48px;
  height: 48px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.iceberg-card__icon svg {
  width: 24px;
  height: 24px;
}
.iceberg-card__title {
  font-size: 18px;
  font-weight: 700;
  color: var(--main);
  margin-bottom: 12px;
}
.iceberg-card__desc {
  font-size: 14px;
  color: #64748B;
  line-height: 1.7;
  font-weight: 500;
}

/* Iceberg Takeaway */
.takeaway {
  background: var(--white);
  border-radius: 24px;
  padding: 32px 40px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  position: relative;
  overflow: hidden;
  border-top: 4px solid var(--accent);
}
/* takeaway__corner removed */
.takeaway__icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,174,239,0.1);
  color: var(--accent);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.06);
}
.takeaway__icon svg {
  width: 40px;
  height: 40px;
}
.takeaway__body {
  flex: 1;
  text-align: center;
}
.takeaway__label {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 12px;
  background: rgba(0,174,239,0.06);
  color: var(--accent);
  border: 1px solid rgba(0,174,239,0.15);
}
.takeaway__text {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--main);
}

/* ========================================
   Concept (Dark Solution) Section
   ======================================== */
.concept__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 800px;
  height: 800px;
  border-radius: 50%;
  filter: blur(100px);
  transform: translate(-50%, -50%);
  pointer-events: none;
  background: rgba(0,174,239,0.1);
}
.concept__header {
  text-align: center;
  margin-bottom: 64px;
}
.concept__title {
  font-size: 28px;
  font-weight: 900;
  color: var(--white);
  line-height: 1.4;
  letter-spacing: -0.01em;
}
.concept__grid {
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
}
.concept__text {
  width: 100%;
}
.concept__desc {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255,255,255,0.7);
}
.concept__then {
  color: var(--white);
  font-weight: 700;
  font-size: 17px;
  padding-top: 8px;
}
.concept__list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 0;
}
.concept__list-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.concept__list-icon {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--accent);
}
.concept__list-icon svg {
  width: 24px;
  height: 24px;
}
.concept__list-text {
  color: #E2E8F0;
  font-weight: 500;
  font-size: 15px;
  line-height: 1.6;
}
.concept__visual {
  width: 100%;
  position: relative;
  filter: drop-shadow(0 10px 30px rgba(0,0,0,0.3));
}
.concept__visual svg {
  width: 100%;
  height: auto;
}
.concept__conclusion {
  margin-top: 64px;
  max-width: 768px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 10;
}
.concept__conclusion-box {
  border-radius: 16px;
  padding: 24px 32px;
  background: rgba(18,35,65,0.8);
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 10px 40px rgba(0,0,0,0.2);
  text-align: center;
  transition: transform 0.3s;
}
.concept__conclusion-box:hover {
  transform: scale(1.02);
}
.concept__conclusion-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.05em;
}
.concept__conclusion-accent {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  margin: 0 4px;
  padding-bottom: 4px;
}

/* ========================================
   Results Section
   ======================================== */
.results__bg-top {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 400px;
  pointer-events: none;
  background: linear-gradient(180deg, #EFF6FF 0%, transparent 100%);
}
.results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  text-align: left;
  margin-top: 48px;
}
.result-card {
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0,174,239,0.12);
  transition: transform 0.3s;
}
.result-card:hover {
  transform: translateY(-4px);
}
.result-card__corner {
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  border-radius: 0 0 0 100%;
  background: #F0F9FF;
  z-index: 0;
  transition: transform 0.3s;
}
.result-card:hover .result-card__corner {
  transform: scale(1.1);
}
.result-card__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
}
.result-card__old {
  font-size: 12px;
  font-weight: 700;
  color: #94A3B8;
  text-decoration: line-through;
  margin-bottom: 4px;
}
.result-card__value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 16px;
}
.result-card__number {
  font-size: 40px;
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1;
  color: var(--main);
}
.result-card__unit {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
}
.result-card__prefix {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}
.result-card__note {
  font-size: 11px;
  color: #64748B;
  margin-top: auto;
  padding-top: 16px;
  line-height: 1.7;
  border-top: 1px solid #F1F5F9;
}

/* ========================================
   CTA Mid
   ======================================== */
.cta-mid__glow {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background: radial-gradient(circle at 30% 50%, #00AEEF, transparent 60%);
}
.cta-mid__inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.cta-mid__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
}
.cta-mid__sub {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
}
.cta-btn-wrap {
  display: inline-block;
  transition: transform 0.3s;
}
.cta-btn-wrap:hover {
  transform: translateY(-4px) scale(1.02);
}

/* ========================================
   Product Section (5 products)
   ======================================== */
.products__list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.product-card {
  position: relative;
  overflow: hidden;
  border-radius: 34px;
  padding: 1px;
  border: 1px solid rgba(255,255,255,0.1);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
  box-shadow: 0 20px 60px rgba(0,0,0,0.22);
}
.product-card__inner {
  position: relative;
  border-radius: 33px;
  padding: 28px 24px;
  background: linear-gradient(180deg, #0A2D52, #082443);
}
.product-card__inner--alt {
  background: linear-gradient(180deg, #092744, #071F38);
}
.product-card__number {
  position: absolute;
  right: -20px;
  top: 8px;
  font-size: 100px;
  font-weight: 900;
  line-height: 1;
  color: rgba(255,255,255,0.05);
  pointer-events: none;
}
.product-card__grid {
  display: grid;
  gap: 32px;
  align-items: center;
}
.product-card__badge {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  background: rgba(0,174,239,0.14);
  color: #8DE0FF;
}
.product-card__name {
  margin-top: 16px;
  font-size: 15px;
  font-weight: 700;
  color: #8DE0FF;
}
.product-card__title {
  margin-top: 12px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}
.product-card__features {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 560px;
}
.product-card__feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.product-card__feature svg {
  margin-top: 2px;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.product-card__feature span {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,0.78);
}
.btn-product {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: 9999px;
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  background: linear-gradient(135deg, #00AEEF, #0088CC);
  box-shadow: 0 4px 16px rgba(0,174,239,0.3);
  transition: all 0.3s;
  margin-top: 24px;
}
.btn-product:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 24px rgba(0,174,239,0.4);
}
.btn-product svg {
  width: 16px;
  height: 16px;
}

/* Product Visual */
.product-visual {
  position: relative;
}
.product-visual__glow {
  position: absolute;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  filter: blur(24px);
}
.product-visual__glow--accent {
  left: -12px;
  top: 24px;
  background: rgba(0,174,239,0.12);
}
.product-visual__glow--white {
  bottom: 8px;
  right: 32px;
  background: rgba(255,255,255,0.08);
}
.product-visual__frame {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  background: linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0.04));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
}
.product-visual__content {
  border-radius: 24px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.04);
}
.product-visual__content svg {
  width: 100%;
  height: auto;
}

/* ========================================
   Case Study Section
   ======================================== */
.case-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.case-card {
  position: relative;
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: all 0.3s;
}
.case-card:hover {
  box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}
.case-card__img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.case-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.case-card__img--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #F1F5F9, #E2E8F0);
}
.case-card__body {
  padding: 24px 28px;
}
.case-card__badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: rgba(0,174,239,0.08);
  color: var(--accent);
  margin-bottom: 16px;
}
.case-card__badge--gray {
  background: rgba(148,163,184,0.12);
  color: #94A3B8;
}
.case-card__name {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--main);
  margin-bottom: 4px;
}
.case-card__meta {
  font-size: 12px;
  color: #94A3B8;
  margin-bottom: 20px;
}
.case-card__highlight {
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #EFF6FF 0%, #F0F9FF 100%);
  border: 1px solid rgba(0,174,239,0.12);
}
.case-card__highlight-value {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}
.case-card__highlight-num {
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
  color: var(--accent);
}
.case-card__highlight-unit {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
}
.case-card__highlight-prefix {
  font-size: 14px;
  font-weight: 700;
  color: var(--main);
}
.case-card__highlight-desc {
  font-size: 12px;
  line-height: 1.6;
  color: #64748B;
}
.case-card__points {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}
.case-card__point {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: #475569;
}
.case-card__point svg {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}
.case-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  transition: gap 0.3s;
}
.case-card:hover .case-card__link {
  gap: 10px;
}
.case-card__link svg {
  width: 16px;
  height: 16px;
}
.case-card__link--disabled {
  color: #94A3B8;
}

/* ========================================
   Benefits Section
   ======================================== */
.benefits__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 56px;
}
.benefit-card {
  background: var(--white);
  border-radius: 16px;
  padding: 24px 32px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  border: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: all 0.3s;
}
.benefit-card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  transform: translateY(-4px);
}
.benefit-card__icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #EAF7FD;
  color: var(--accent);
  transition: background 0.3s;
}
.benefit-card__icon svg {
  width: 28px;
  height: 28px;
}
.benefit-card__text {
  padding-top: 4px;
  font-size: 15px;
  font-weight: 500;
  color: #1E293B;
  line-height: 1.7;
}

/* Benefits Summary Banner */
.benefits-summary {
  position: relative;
  overflow: hidden;
  background: var(--white);
  border-radius: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  padding: 32px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 860px;
  margin: 0 auto;
  border: 1px solid var(--border);
}
.benefits-summary__bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 10px;
  border-radius: 16px 0 0 16px;
  background: var(--accent);
}
.benefits-summary__text {
  font-size: 18px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.05em;
  color: var(--main);
}
.benefits-summary__accent {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  margin: 0 4px;
  padding-bottom: 4px;
}

/* ========================================
   Scenes Section
   ======================================== */
.scenes-grid {
  display: grid;
  gap: 16px;
  margin-top: 40px;
}
.scene-card {
  border-radius: 22px;
  border: 1px solid var(--border);
  background: var(--white);
  padding: 20px;
  box-shadow: 0 2px 12px rgba(0,45,91,0.06);
}
.scene-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
}
.scene-card__icon {
  display: flex;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: rgba(0,174,239,0.1);
}
.scene-card__icon svg {
  width: 20px;
  height: 20px;
}
.scene-card__badge {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--white);
  background: var(--main);
}
.scene-card__desc {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.85;
  color: #475569;
}

/* ========================================
   Footer
   ======================================== */
.footer {
  width: 100%;
  padding: 40px 24px;
  background: var(--main);
}
.footer__inner {
  max-width: 1120px;
  margin: 0 auto;
}
.footer__top {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
@media (min-width: 820px) {
  .footer__top { flex-direction: row; }
}
.footer__logo {
  height: 24px;
  width: auto;
  filter: brightness(0) invert(1);
}
.footer__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
}
.footer__link {
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  transition: color 0.15s;
}
.footer__link:hover { color: var(--white); }
.footer__bottom {
  margin-top: 32px;
  padding-top: 24px;
  text-align: center;
  font-size: 11px;
  color: rgba(255,255,255,0.3);
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ========================================
   CTA Bottom Section
   ======================================== */
.cta-btm__title {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.5;
}
.cta-btm__sub {
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.95;
  color: rgba(255,255,255,0.8);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}
.cta-btm__action {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ========================================
   Background Decorations
   ======================================== */
.bg-deco {
  position: absolute;
  border-radius: 50%;
  filter: blur(48px);
  pointer-events: none;
}
.bg-deco--ice-tr {
  top: 0;
  right: 0;
  width: 384px;
  height: 384px;
  mix-blend-mode: multiply;
  opacity: 0.5;
  transform: translateX(50%) translateY(-50%);
  background: #DDEFFA;
}
.bg-deco--ice-bl {
  bottom: 0;
  left: 0;
  width: 384px;
  height: 384px;
  mix-blend-mode: multiply;
  opacity: 0.3;
  transform: translateX(-50%) translateY(50%);
  background: #B9E0FE;
}
.bg-deco--case-tr {
  top: 0;
  right: 0;
  width: 320px;
  height: 320px;
  mix-blend-mode: multiply;
  opacity: 0.2;
  background: #B9E0FE;
}
.bg-deco--case-bl {
  bottom: 0;
  left: 0;
  width: 384px;
  height: 384px;
  mix-blend-mode: multiply;
  opacity: 0.15;
  background: #DBEAFE;
}

/* ========================================
   Responsive: Tablet (820px+)
   ======================================== */
@media (min-width: 820px) {
  .header__inner {
    padding: 12px 32px;
  }
  .header__logo img {
    height: 28px;
  }
  .nav-desktop {
    display: flex;
  }
  .hamburger {
    display: none;
  }
  .hero {
    padding: 64px 24px;
  }
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
  .hero-title {
    font-size: 48px;
  }
  .problem__title {
    font-size: 30px;
  }
  .loss-panel {
    padding: 32px 48px;
  }
  .loss-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .loss-note__text {
    font-size: 17px;
  }
  .iceberg__top {
    flex-direction: row;
  }
  .iceberg__title {
    font-size: 32px;
  }
  .iceberg__visual {
    margin-top: 0;
  }
  .iceberg-cards {
    flex-direction: row;
  }
  .takeaway {
    flex-direction: row;
    padding: 32px 40px;
  }
  .takeaway__body {
    text-align: left;
  }
  .takeaway__text {
    font-size: 22px;
  }
  .concept__title {
    font-size: 36px;
  }
  .concept__grid {
    flex-direction: row;
    gap: 48px;
  }
  .concept__text {
    width: 50%;
  }
  .concept__visual {
    width: 50%;
  }
  .concept__conclusion-text {
    font-size: 22px;
  }
  .section-title {
    font-size: 32px;
  }
  .section-title--lg {
    font-size: 36px;
  }
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-mid__title {
    font-size: 22px;
  }
  .product-card__inner {
    padding: 32px;
  }
  .product-card__grid {
    grid-template-columns: 1fr 1fr;
  }
  .product-card__number {
    font-size: 132px;
  }
  .product-card__title {
    font-size: 26px;
  }
  .case-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .benefit-card__text {
    font-size: 17px;
  }
  .benefits-summary__text {
    font-size: 22px;
  }
  .scenes-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cta-btm__title {
    font-size: 30px;
  }
}

/* ========================================
   Responsive: Desktop (1024px+)
   ======================================== */
@media (min-width: 1024px) {
  .section {
    padding: 112px 32px;
  }
  .section--bg {
    padding: 112px 32px;
  }
  .section--dark {
    padding: 112px 24px;
  }
  .section--concept {
    padding: 80px 32px 96px;
  }
  .section--benefits {
    padding: 112px 32px;
  }
  .section--case {
    padding: 112px 32px;
  }
  .section--cta-btm {
    padding: 112px 24px;
  }
  .section--results {
    padding: 96px 32px;
  }
  .iceberg__title {
    font-size: 36px;
  }
  .concept__title {
    font-size: 44px;
  }
  .concept__desc {
    font-size: 16px;
  }
  .concept__grid {
    gap: 64px;
  }
  .results-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .product-card__title {
    font-size: 28px;
  }
  .scenes-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ========================================
   Responsive: Small (480px and below)
   ======================================== */
@media (max-width: 480px) {
  .hero-title {
    font-size: 26px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .hero-cta svg {
    max-width: 360px;
  }
  .section-title {
    font-size: 22px;
  }
  .section-title--lg {
    font-size: 24px;
  }
  .iceberg__title {
    font-size: 22px;
  }
  .concept__title {
    font-size: 22px;
  }
  .takeaway__text {
    font-size: 16px;
  }
  .benefits-summary__text {
    font-size: 16px;
  }
  .benefit-card {
    padding: 20px;
  }
  .iceberg__label-text span {
    font-size: 11px;
  }
}

/* ========================================
   SVG Animations (preserved from source)
   ======================================== */
.floating { animation: float 6s ease-in-out infinite; }
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-10px); } 100% { transform: translateY(0px); } }
.data-flow { stroke-dasharray: 6 6; animation: flow 3s linear infinite; }
@keyframes flow { to { stroke-dashoffset: -120; } }
.pulse-glow { animation: pulseGlow 3s ease-in-out infinite alternate; }
@keyframes pulseGlow { 0% { filter: drop-shadow(0 0 10px rgba(0,174,239,0.4)); transform: scale(1); } 100% { filter: drop-shadow(0 0 20px rgba(0,174,239,0.8)); transform: scale(1.03); } }
.floating-node-1 { animation: floatNode 5s ease-in-out infinite; }
.floating-node-2 { animation: floatNode 6s ease-in-out infinite 1s; }
.floating-node-3 { animation: floatNode 5.5s ease-in-out infinite 2s; }
.floating-node-4 { animation: floatNode 4.5s ease-in-out infinite 0.5s; }
@keyframes floatNode { 0% { transform: translateY(0px); } 50% { transform: translateY(-8px); } 100% { transform: translateY(0px); } }
.draw-line { stroke-dasharray: 1000; stroke-dashoffset: 1000; animation: drawLine 2s ease-out forwards 0.5s; }
@keyframes drawLine { to { stroke-dashoffset: 0; } }
/* FV SVG Animations */
.orbit-line { transform-origin: 270px 270px; animation: rotateOrbit 60s linear infinite; }
.fv-data-flow-1 { stroke-dasharray: 6 12; animation: fvFlowData 3s linear infinite; }
.fv-data-flow-2 { stroke-dasharray: 6 12; animation: fvFlowData 4s linear infinite reverse; }
.float-node { animation: fvFloat 6s ease-in-out infinite; }
.float-node-d1 { animation: fvFloat 5s ease-in-out infinite 1s; }
.float-node-d2 { animation: fvFloat 7s ease-in-out infinite 2s; }
.float-node-d3 { animation: fvFloat 6.5s ease-in-out infinite 3s; }
.float-node-d4 { animation: fvFloat 5.5s ease-in-out infinite 1.5s; }
.pulse-core { animation: pulseCore 4s ease-in-out infinite alternate; }
@keyframes rotateOrbit { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes fvFlowData { to { stroke-dashoffset: -36; } }
@keyframes fvFloat { 0% { transform: translateY(0px); } 50% { transform: translateY(-6px); } 100% { transform: translateY(0px); } }
@keyframes pulseCore { 0% { filter: drop-shadow(0 0 10px rgba(0,174,239,0.3)); transform: scale(1); } 100% { filter: drop-shadow(0 0 20px rgba(0,174,239,0.6)); transform: scale(1.02); } }
.text-core-title { font-weight: 900; font-size: 26px; fill: #FFFFFF; letter-spacing: 0.02em; }
.text-node-title-svg { font-weight: 700; font-size: 12px; fill: #334155; }
.text-node-sub-svg { font-weight: 500; font-size: 10px; fill: #64748B; }
/* 解決コンセプト SVG Animations */
.draw-graph-line { stroke-dasharray: 1200; stroke-dashoffset: 1200; animation: drawGraphLine 4s ease-in-out infinite; }
@keyframes drawGraphLine { 0%, 15% { stroke-dashoffset: 1200; } 85%, 100% { stroke-dashoffset: 0; } }
.float-card-ui { animation: floatCardUi 5s ease-in-out infinite; transform-origin: center; }
@keyframes floatCardUi { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.pulse-hot { animation: pulseHot 2s ease-in-out infinite; transform-origin: 138px 108px; }
@keyframes pulseHot { 0%, 100% { transform: scale(1); filter: drop-shadow(0 0 0px rgba(255,107,107,0)); } 50% { transform: scale(1.05); filter: drop-shadow(0 0 8px rgba(255,107,107,0.6)); } }
/* Bounce animation for arrow */
@keyframes bounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-25%); } }
.animate-bounce { animation: bounce 1s infinite; }
/* Signal group hover */
.signal-group { transition: transform 0.3s ease; cursor: default; }
.signal-group:hover { transform: translateY(-4px); }

/* ========================================
   Utility: hide/show by breakpoint
   ======================================== */
.hidden-sm { display: none; }
@media (min-width: 640px) { .hidden-sm { display: inline; } }
.hidden-md { display: none; }
@media (min-width: 820px) { .hidden-md { display: inline; } }
.hidden-lg { display: none; }
@media (min-width: 1024px) { .hidden-lg { display: block; } }
.show-lg-only { display: flex; }
@media (min-width: 1024px) { .show-lg-only { display: none; } }

/* Reverse grid on desktop for alternating products */
@media (min-width: 820px) {
  .product-card__grid--reverse > *:first-child { order: 2; }
  .product-card__grid--reverse > *:last-child { order: 1; }
}

/* ========================================
   SVG Animations (Product Cards)
   ======================================== */

/* --- Analytics SVG --- */
.flow-line { stroke-dasharray: 8 8; animation: flowAnimA 2s linear infinite; }
.flow-line-slow { stroke-dasharray: 6 6; animation: flowAnimA 3.5s linear infinite; }
@keyframes flowAnimA { to { stroke-dashoffset: -40; } }

/* --- Studio SVG --- */
.progress-line { stroke-dasharray: 160; stroke-dashoffset: 160; animation: drawLineS 7s cubic-bezier(0.4, 0, 0.2, 1) infinite; }
@keyframes drawLineS { 0%, 10% { stroke-dashoffset: 160; opacity: 1; } 40%, 85% { stroke-dashoffset: 0; opacity: 1; } 90%, 100% { stroke-dashoffset: 160; opacity: 0; } }
.popup-card { opacity: 0; animation: slidePopupS 7s cubic-bezier(0.22, 1, 0.36, 1) infinite; }
@keyframes slidePopupS { 0%, 38% { opacity: 0; transform: translateY(20px); } 43%, 85% { opacity: 1; transform: translateY(0); } 90%, 100% { opacity: 0; transform: translateY(-10px); } }
.trigger-point { fill: rgba(255,255,255,0.2); animation: activeTriggerS 7s ease infinite; }
@keyframes activeTriggerS { 0%, 38% { fill: rgba(255,255,255,0.2); transform: scale(1); } 41%, 85% { fill: #8DE0FF; transform: scale(1.3); } 90%, 100% { fill: rgba(255,255,255,0.2); transform: scale(1); } }
.trigger-label { opacity: 0; animation: slideTriggerS 7s cubic-bezier(0.22, 1, 0.36, 1) infinite; }
@keyframes slideTriggerS { 0%, 38% { opacity: 0; transform: translateY(10px); } 41%, 85% { opacity: 1; transform: translateY(0); } 90%, 100% { opacity: 0; transform: translateY(-10px); } }

/* --- Ad SVG --- */
.ad-flow-line { stroke-dasharray: 8 8; animation: adFlowAnim 2s linear infinite; }
.ad-flow-line-slow { stroke-dasharray: 6 6; animation: adFlowAnim 3s linear infinite; }
@keyframes adFlowAnim { to { stroke-dashoffset: -40; } }
.pulse-hot-ad { animation: pulseHotAd 2s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
@keyframes pulseHotAd { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); filter: drop-shadow(0 0 6px rgba(255,107,107,0.6)); } }
.media-glow { animation: mediaGlowAnim 4s infinite alternate; }
@keyframes mediaGlowAnim { 0% { opacity: 0.1; } 100% { opacity: 0.3; } }

/* --- Form Agent SVG --- */
.pulse-hot-form { animation: pulseHotForm 3s ease-in-out infinite; transform-origin: center; }
@keyframes pulseHotForm { 0%, 100% { fill: rgba(16,185,129,0.05); stroke: rgba(16,185,129,0.3); } 50% { fill: rgba(16,185,129,0.15); stroke: rgba(16,185,129,0.8); } }
.form-progress-bar { animation: formProgressAnim 5s cubic-bezier(0.4, 0, 0.2, 1) infinite; }
@keyframes formProgressAnim { 0%, 10% { width: 0; } 40%, 80% { width: 136px; } 90%, 100% { width: 0; } }
.form-toast-pop { opacity: 0; animation: formToastAnim 5s cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite; }
@keyframes formToastAnim { 0%, 35% { opacity: 0; transform: translateY(10px); } 40%, 80% { opacity: 1; transform: translateY(0); } 85%, 100% { opacity: 0; transform: translateY(-5px); } }
.form-flow-line { stroke-dasharray: 6 6; animation: formFlowAnim 1.5s linear infinite; }
@keyframes formFlowAnim { to { stroke-dashoffset: -24; } }

/* --- AI Chat SVG --- */
.msg-user { animation: slideUpUser 10s cubic-bezier(0.22, 1, 0.36, 1) infinite; }
@keyframes slideUpUser { 0%, 5% { opacity: 0; transform: translateY(10px); } 10%, 90% { opacity: 1; transform: translateY(0); } 95%, 100% { opacity: 0; transform: translateY(-10px); } }
.msg-ai-typing { animation: aiTyping 10s ease-in-out infinite; }
@keyframes aiTyping { 0%, 15% { opacity: 0; transform: translateY(10px); } 18%, 30% { opacity: 1; transform: translateY(0); } 33%, 100% { opacity: 0; } }
.typing-dot { animation: typingBlink 1s infinite alternate; }
@keyframes typingBlink { 0%, 100% { opacity: 0.3; } 50% { opacity: 1; } }
.msg-ai-result { opacity: 0; animation: slideUpAi 10s cubic-bezier(0.22, 1, 0.36, 1) infinite; }
@keyframes slideUpAi { 0%, 30% { opacity: 0; transform: translateY(10px); } 35%, 90% { opacity: 1; transform: translateY(0); } 95%, 100% { opacity: 0; transform: translateY(-10px); } }
.ai-flow-line { stroke-dasharray: 6 6; animation: flowActiveAi 10s ease-in-out infinite, flowMoveAi 1s linear infinite; }
@keyframes flowActiveAi { 0%, 40% { opacity: 0; } 45%, 85% { opacity: 1; } 90%, 100% { opacity: 0; } }
@keyframes flowMoveAi { to { stroke-dashoffset: -12; } }
.report-panel { opacity: 0; animation: slideUpReport 10s cubic-bezier(0.22, 1, 0.36, 1) infinite; }
@keyframes slideUpReport { 0%, 45% { opacity: 0; transform: translateX(-10px); } 50%, 90% { opacity: 1; transform: translateX(0); } 95%, 100% { opacity: 0; transform: translateX(10px); } }
.bar-anim-1 { animation: growBar1 10s cubic-bezier(0.22, 1, 0.36, 1) infinite; }
.bar-anim-2 { animation: growBar2 10s cubic-bezier(0.22, 1, 0.36, 1) infinite; }
.bar-anim-3 { animation: growBar3 10s cubic-bezier(0.22, 1, 0.36, 1) infinite; }
@keyframes growBar1 { 0%, 50% { width: 0; } 55%, 90% { width: 140px; } 95%, 100% { width: 0; } }
@keyframes growBar2 { 0%, 50% { width: 0; } 57%, 90% { width: 110px; } 95%, 100% { width: 0; } }
@keyframes growBar3 { 0%, 50% { width: 0; } 59%, 90% { width: 80px; } 95%, 100% { width: 0; } }

/* ========================================
   SP Responsive — 768px以下
   ======================================== */
@media (max-width: 768px) {
  .section { padding: 48px 16px; }
  .section-title { font-size: 22px; }
  .section-sub { font-size: 14px; }
  .hero-grid { grid-template-columns: 1fr !important; gap: 24px; }
  .hero-title { font-size: 32px; }
  .hero-cta { text-align: center; }
  .hero-cta a { display: inline-block; }
  .hero-visual { max-width: 320px; margin: 0 auto; }
  .hero-visual svg { width: 100%; height: auto; }
  /* Problem & Signal section */
  .problem__title { font-size: 22px; }
  .problem__sub { font-size: 14px; }
  .concept__desc { font-size: 14px; }
  .concept__then { font-size: 15px; }
  .concept__list-text { font-size: 14px; }
  .concept__list-icon svg { width: 20px; height: 20px; }
  .concept__list { gap: 14px; }
  .story-bridge { margin: 36px 0; }
  .story-bridge__text { font-size: 14px; padding: 10px 20px; }
  /* Loss cards */
  .loss-panel { padding: 20px 16px; border-radius: 24px; }
  .loss-grid { grid-template-columns: 1fr !important; gap: 16px; }
  .loss-card { padding: 24px 20px; border-radius: 16px; }
  .loss-card__icon { width: 72px; height: 72px; margin-bottom: 16px; }
  .loss-card__icon svg { width: 36px; height: 36px; }
  .loss-card__title { font-size: 17px; }
  .loss-card__desc { font-size: 13px; }
  .loss-note__inner { padding: 16px 20px; }
  .loss-note__text { font-size: 13px; }
  /* Iceberg */
  .iceberg__top { flex-direction: column; gap: 24px; }
  .iceberg__visual { max-width: 100%; }
  .iceberg__title { font-size: 22px; }
  .iceberg__desc { font-size: 14px; }
  /* Grids */
  .solution-grid { grid-template-columns: 1fr !important; }
  .product-card__grid { grid-template-columns: 1fr !important; gap: 24px; }
  /* SP: テキスト上・SVG下に統一（reverseカードのorder解除） */
  .product-card__grid--reverse > *:first-child { order: 2 !important; }
  .product-card__grid--reverse > *:last-child { order: 1 !important; }
  .product-card__svg-wrap { max-width: 100%; overflow: hidden; }
  .product-card__svg-wrap svg { width: 100%; height: auto; }
  .case-grid { grid-template-columns: 1fr !important; }
  .scene-grid { grid-template-columns: 1fr !important; }
  .cta-svg-wrap svg { width: 100%; max-width: 420px; height: auto; }
}

/* ========================================
   SP Responsive — 480px以下
   ======================================== */
@media (max-width: 480px) {
  .section { padding: 36px 12px; }
  .section-title { font-size: 20px; }
  .hero-title { font-size: 28px; }
  .hero-cta svg { max-width: none; margin: 0 auto; }
  .hero-visual { max-width: 260px; }
  .inner, .inner--wide, .inner--narrow, .inner--case { padding: 0 12px; }
  /* Problem & Signal */
  .problem__title { font-size: 20px; }
  .story-bridge__text { font-size: 13px; }
  /* Loss cards */
  .loss-panel { padding: 16px 12px; }
  .loss-card { padding: 20px 16px; }
  .loss-card__icon { width: 60px; height: 60px; }
  .loss-card__icon svg { width: 30px; height: 30px; }
  .loss-card__title { font-size: 16px; }
  /* Iceberg */
  .iceberg__label { padding: 8px 10px; }
  .iceberg__label-text span { font-size: 11px; }
  .iceberg__title { font-size: 20px; }
  /* Products & Case */
  .product-card { padding: 24px 16px; }
  .product-card__title { font-size: 20px; }
  .cta-svg-wrap { text-align: center; }
  .cta-svg-wrap svg { max-width: 360px; }
}

.hero-cta svg { max-width: none !important; }
.hero-cta a { display: block !important; width: 100%; }