@charset "UTF-8";

/* ==========================================================================
   Variables
   ========================================================================== */
:root {
  --color-primary: #0a3d7a;
  --color-primary-dark: #062a55;
  --color-primary-light: #2563eb;
  --color-accent: #38bdf8;
  --color-bg: #ffffff;
  --color-bg-alt: #f7fafc;
  --color-bg-blue: #eef4fb;
  --color-bg-deep: #061b3a;
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-light: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-light: #eef2f7;

  --font-display: "Zen Kaku Gothic New", "Noto Sans JP", sans-serif;
  --font-body: "Noto Sans JP", sans-serif;
  --font-en: "Outfit", sans-serif;

  --header-height: 72px;
  --container-max: 1200px;
  --container-pad: 24px;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 40px rgba(10, 61, 122, 0.08);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-light);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  position: relative;
}

.container-narrow {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 var(--container-pad);
  position: relative;
}

.section {
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-blue {
  background-color: var(--color-bg-blue);
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
}

/* ==========================================================================
   Typography
   ========================================================================== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.section-label::before {
  content: "";
  width: 32px;
  height: 1px;
  background-color: var(--color-primary);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--color-text);
  margin-bottom: 28px;
}

.section-title-center {
  text-align: center;
  margin-bottom: 56px;
}

.section-title-center .section-label {
  justify-content: center;
}

.section-title-center .section-label::before,
.section-title-center .section-label::after {
  content: "";
  width: 32px;
  height: 1px;
  background-color: var(--color-primary);
}

.section-text {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 16px;
  color: var(--color-text);
}

.page-subtitle {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 16px;
  display: block;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  z-index: 100;
  transition: border-color var(--transition), background-color var(--transition);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border-light);
  background-color: rgba(255, 255, 255, 0.96);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.02em;
}

.site-logo:hover {
  color: var(--color-primary);
}

.site-logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  position: relative;
  flex-shrink: 0;
}

.site-logo-mark::before {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background-color: white;
}

.site-logo-mark::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.site-nav a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  letter-spacing: 0.02em;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition);
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-primary);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  position: relative;
  z-index: 110;
}

.nav-toggle span {
  position: absolute;
  left: 8px;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition), opacity var(--transition), top var(--transition);
}

.nav-toggle span:nth-child(1) {
  top: 14px;
}

.nav-toggle span:nth-child(2) {
  top: 20px;
}

.nav-toggle span:nth-child(3) {
  top: 26px;
}

.nav-toggle.is-open span:nth-child(1) {
  top: 20px;
  transform: rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  top: 20px;
  transform: rotate(-45deg);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 32px;
    transform: translateX(100%);
    transition: transform var(--transition);
  }

  .site-nav.is-open {
    transform: translateX(0);
  }

  .site-nav a {
    font-size: 18px;
  }
}

/* ==========================================================================
   Hero (Top Page)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: var(--header-height);
  display: flex;
  align-items: center;
  background: linear-gradient(180deg, #eef4fb 0%, #ffffff 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -180px;
  width: 540px;
  height: 540px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(56, 189, 248, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  bottom: -200px;
  left: -160px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(10, 61, 122, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  z-index: 2;
  padding: 80px 0;
}

.hero-eyebrow {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin-bottom: 32px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.hero-eyebrow::before,
.hero-eyebrow::after {
  content: "";
  width: 24px;
  height: 1px;
  background-color: var(--color-primary);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5.5vw, 60px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin-bottom: 32px;
}

.hero-title .accent {
  color: var(--color-primary);
  position: relative;
  display: inline-block;
}

.hero-title .accent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  height: 8px;
  background-color: rgba(56, 189, 248, 0.25);
  z-index: -1;
}

.hero-subtitle {
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 2;
  color: var(--color-text-muted);
  margin-bottom: 56px;
  font-weight: 500;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  z-index: 2;
}

.hero-scroll::after {
  content: "";
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(180deg, var(--color-text-muted) 0%, transparent 100%);
  margin: 12px auto 0;
  animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
  0%,
  100% {
    transform: scaleY(1);
    transform-origin: top;
  }
  50% {
    transform: scaleY(0.4);
    transform-origin: top;
  }
}

/* Decorative shapes for hero */
.hero-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.hero-shape {
  position: absolute;
  opacity: 0.5;
}

.hero-shape-1 {
  top: 18%;
  left: 8%;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--color-primary);
  border-radius: 50%;
}

.hero-shape-2 {
  top: 28%;
  right: 12%;
  font-family: var(--font-en);
  font-size: 24px;
  color: var(--color-accent);
  font-weight: 300;
}

.hero-shape-3 {
  bottom: 22%;
  left: 14%;
  font-family: var(--font-en);
  font-size: 20px;
  color: var(--color-primary);
  font-weight: 300;
}

.hero-shape-4 {
  bottom: 30%;
  right: 8%;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

.hero-shape-5 {
  top: 50%;
  left: 5%;
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.hero-shape-6 {
  top: 38%;
  right: 6%;
  width: 60px;
  height: 60px;
  border: 1px solid rgba(10, 61, 122, 0.2);
  border-radius: 50%;
}

@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
  }

  .hero-shape-5,
  .hero-shape-6 {
    display: none;
  }
}

/* ==========================================================================
   Page Hero (sub pages)
   ========================================================================== */
.page-hero {
  padding: calc(var(--header-height) + 80px) 0 64px;
  background: linear-gradient(180deg, #eef4fb 0%, #ffffff 100%);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -150px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(56, 189, 248, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.page-hero-inner {
  position: relative;
  z-index: 2;
}

@media (max-width: 768px) {
  .page-hero {
    padding: calc(var(--header-height) + 48px) 0 48px;
  }
}

/* ==========================================================================
   Trouble Cards (3 columns)
   ========================================================================== */
.trouble-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.trouble-card {
  background-color: var(--color-bg);
  padding: 36px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.trouble-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(10, 61, 122, 0.2);
}

.trouble-card-num {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-primary-light);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: block;
}

.trouble-card-text {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text);
  font-weight: 500;
}

.trouble-summary {
  margin-top: 40px;
  padding: 28px 32px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  border-radius: var(--radius-md);
  font-size: 15px;
  line-height: 2;
  position: relative;
  overflow: hidden;
}

.trouble-summary::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.06);
}

@media (max-width: 768px) {
  .trouble-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* ==========================================================================
   Feature Block (alternating)
   ========================================================================== */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  margin-bottom: 96px;
}

.feature:last-child {
  margin-bottom: 0;
}

.feature-reverse {
  direction: rtl;
}

.feature-reverse > * {
  direction: ltr;
}

.feature-text {
  position: relative;
}

.feature-num {
  font-family: var(--font-en);
  font-size: 100px;
  font-weight: 700;
  line-height: 1;
  color: rgba(10, 61, 122, 0.06);
  position: absolute;
  top: -40px;
  left: -20px;
  z-index: 0;
}

.feature-text > * {
  position: relative;
  z-index: 1;
}

.feature-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-visual-inner {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: 380px;
  max-height: 380px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.68) 0%, rgba(255, 255, 255, 0) 46%),
    linear-gradient(135deg, #eef4fb 0%, #dbeafe 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.feature-visual-inner::before,
.feature-visual-inner::after {
  content: "";
  position: absolute;
  pointer-events: none;
  z-index: 1;
}

.feature-visual-inner::before {
  width: 68%;
  height: 68%;
  border: 1px solid rgba(10, 61, 122, 0.15);
  border-radius: 50%;
}

.feature-visual-inner::after {
  width: 48%;
  height: 48%;
  border: 1px solid rgba(10, 61, 122, 0.2);
  border-radius: 50%;
}

.feature-visual-inner--flow {
  background: none;
}

.feature-visual-inner--flow::before,
.feature-visual-inner--flow::after {
  display: none;
}

.feature-visual-inner--growth {
  background: none;
}

.feature-visual-inner--growth::before,
.feature-visual-inner--growth::after {
  display: none;
}

.feature-visual-inner--analytics {
  background: none;
}

.feature-visual-inner--analytics::before,
.feature-visual-inner--analytics::after {
  display: none;
}

.feature-visual-inner--partnership {
  background: none;
}

.feature-visual-inner--partnership::before,
.feature-visual-inner--partnership::after {
  display: none;
}

.feature-visual-figure {
  position: relative;
  z-index: 3;
  width: clamp(198px, 64%, 238px);
  aspect-ratio: 1 / 1;
  color: var(--color-primary);
  filter: drop-shadow(0 16px 24px rgba(10, 61, 122, 0.08));
}

.feature-visual-figure--flow {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 18px 28px rgba(10, 61, 122, 0.1));
}

.feature-visual-figure--growth {
  width: 100%;
  height: 100%;
  aspect-ratio: unset;
}

.feature-visual-figure--analytics {
  width: 100%;
  height: 100%;
  aspect-ratio: unset;
}

.feature-visual-figure--partnership {
  width: 100%;
  height: 100%;
  aspect-ratio: unset;
}

.feature-visual-svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.fv-orbit {
  fill: none;
  stroke: rgba(10, 61, 122, 0.12);
  stroke-width: 1.3;
}

.fv-orbit-strong {
  stroke: rgba(10, 61, 122, 0.18);
}

.fv-panel {
  fill: rgba(255, 255, 255, 0.78);
  stroke: rgba(10, 61, 122, 0.16);
  stroke-width: 1.4;
}

.fv-mini-panel {
  fill: rgba(255, 255, 255, 0.86);
}

.fv-soft,
.fv-soft-node {
  fill: rgba(37, 99, 235, 0.08);
  stroke: rgba(10, 61, 122, 0.14);
  stroke-width: 1.3;
}

.fv-bar {
  fill: rgba(37, 99, 235, 0.14);
}

.fv-dot {
  fill: rgba(10, 61, 122, 0.34);
}

.fv-dot-light {
  fill: rgba(56, 189, 248, 0.45);
}

.fv-line,
.fv-line-muted,
.fv-primary-stroke,
.fv-accent-stroke,
.fv-white-stroke {
  fill: none;
}

.fv-line {
  stroke: rgba(10, 61, 122, 0.58);
  stroke-width: 1.5;
}

.fv-line-muted {
  stroke: rgba(10, 61, 122, 0.28);
  stroke-width: 1.4;
}

.fv-primary-stroke {
  stroke: var(--color-primary);
  stroke-width: 3;
}

.fv-accent-stroke {
  stroke: var(--color-accent);
  stroke-width: 3.2;
}

.fv-white-stroke {
  stroke: #ffffff;
  stroke-width: 3;
}

.fv-flow-window {
  fill: rgba(255, 255, 255, 0.88);
  stroke: rgba(10, 61, 122, 0.24);
  stroke-width: 1.7;
}

.fv-flow-window-bar {
  stroke: rgba(10, 61, 122, 0.18);
  stroke-width: 1.4;
}

.fv-flow-hero {
  fill: rgba(37, 99, 235, 0.1);
  stroke: rgba(10, 61, 122, 0.18);
  stroke-width: 1.4;
}

.fv-flow-cta {
  stroke: rgba(255, 255, 255, 0.72);
  stroke-width: 1;
}

.fv-flow-cta-arrow {
  stroke-width: 2.4;
}

.fv-flow-route {
  fill: none;
  stroke: rgba(10, 61, 122, 0.48);
  stroke-width: 2;
}

.feature-visual-decor {
  position: absolute;
  color: var(--color-accent);
  z-index: 3;
  pointer-events: none;
}

.feature-visual-decor.decor-1 {
  top: 12%;
  right: 12%;
  width: 18px;
  height: 18px;
}

.feature-visual-decor.decor-1::before,
.feature-visual-decor.decor-1::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 3px;
  right: 3px;
  height: 1.5px;
  background: currentColor;
  border-radius: 999px;
}

.feature-visual-decor.decor-1::after {
  transform: rotate(90deg);
}

.feature-visual-decor.decor-2 {
  bottom: 14%;
  left: 14%;
  width: 9px;
  height: 9px;
  border: 1.5px solid rgba(10, 61, 122, 0.4);
  border-radius: 2px;
}

.feature-visual-decor.decor-3 {
  top: 50%;
  right: 6%;
  width: 26px;
  height: 1.5px;
  background: rgba(10, 61, 122, 0.35);
  border-radius: 999px;
}

.feature-visual-inner--flow .decor-2 {
  bottom: 18%;
  left: 17%;
  transform: rotate(45deg);
}

.feature-visual-inner--flow .decor-3 {
  top: 45%;
  right: 8%;
  width: 16px;
  height: 16px;
  border: 1.5px solid rgba(10, 61, 122, 0.45);
  border-radius: 50%;
  background: transparent;
}

.feature-visual-inner--growth .decor-1 {
  top: 16%;
  right: 14%;
  transform: rotate(45deg);
}

.feature-visual-inner--growth .decor-2 {
  bottom: 17%;
  left: 15%;
  width: 28px;
  height: 1.5px;
  border: 0;
  border-radius: 999px;
  background: rgba(10, 61, 122, 0.35);
}

.feature-visual-inner--growth .decor-3 {
  top: 54%;
  right: 9%;
  width: 12px;
  height: 12px;
  border: 1.5px solid rgba(19, 184, 166, 0.58);
  border-radius: 2px;
  background: transparent;
  transform: rotate(45deg);
}

.feature-visual-inner--analytics .decor-1 {
  top: 14%;
  right: 16%;
}

.feature-visual-inner--analytics .decor-2 {
  bottom: 16%;
  left: 15%;
  width: 14px;
  height: 14px;
  border-radius: 3px;
}

.feature-visual-inner--analytics .decor-3 {
  top: 23%;
  right: auto;
  left: 17%;
  width: 34px;
  height: 1.5px;
}

.feature-visual-inner--partnership .decor-1 {
  top: 15%;
  right: 15%;
}

.feature-visual-inner--partnership .decor-2 {
  bottom: 18%;
  left: 18%;
  width: 22px;
  height: 1.5px;
  border: 0;
  border-radius: 999px;
  background: rgba(10, 61, 122, 0.35);
  transform: rotate(-24deg);
}

.feature-visual-inner--partnership .decor-3 {
  top: 49%;
  right: 8%;
  width: 14px;
  height: 14px;
  border: 1.5px solid rgba(10, 61, 122, 0.42);
  border-radius: 4px;
  background: transparent;
  transform: rotate(45deg);
}

@media (max-width: 768px) {
  .feature,
  .feature-reverse {
    grid-template-columns: 1fr;
    gap: 40px;
    margin-bottom: 64px;
    direction: ltr;
  }

  .feature-num {
    font-size: 64px;
    top: -24px;
  }

  .feature-visual {
    display: none;
  }
}

/* ==========================================================================
   CTA Band
   ========================================================================== */
.cta-band {
  position: relative;
  padding: 96px 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  overflow: hidden;
  text-align: center;
}

.cta-band::before {
  content: "";
  position: absolute;
  top: -100px;
  left: -100px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(56, 189, 248, 0.2) 0%, transparent 70%);
}

.cta-band::after {
  content: "";
  position: absolute;
  bottom: -120px;
  right: -120px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
}

.cta-band-inner {
  position: relative;
  z-index: 2;
}

.cta-band-eyebrow {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.cta-band-eyebrow::before,
.cta-band-eyebrow::after {
  content: "";
  width: 24px;
  height: 1px;
  background-color: var(--color-accent);
}

.cta-band-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.cta-band-text {
  font-size: 15px;
  line-height: 2;
  opacity: 0.9;
  max-width: 640px;
  margin: 0 auto;
}

.cta-decorative-plus {
  position: absolute;
  font-family: var(--font-en);
  font-weight: 200;
  font-size: 32px;
  color: rgba(255, 255, 255, 0.3);
  z-index: 1;
}

.cta-decorative-plus.cdp-1 {
  top: 22%;
  left: 12%;
}

.cta-decorative-plus.cdp-2 {
  bottom: 24%;
  right: 14%;
}

@media (max-width: 768px) {
  .cta-band {
    padding: 64px 0;
  }
}

/* ==========================================================================
   CTA Button (Contact)
   ========================================================================== */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: white;
  color: var(--color-primary);
  padding: 16px 40px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-top: 36px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.cta-button:hover {
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.cta-button-arrow {
  display: inline-block;
  font-family: var(--font-en);
  transition: transform var(--transition);
}

.cta-button:hover .cta-button-arrow {
  transform: translateX(4px);
}

/* ==========================================================================
   Contact Form Wrap
   ========================================================================== */
.contact-form-wrap {
  max-width: 720px;
  margin: 0 auto;
  background: white;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-md);
}

.contact-form-wrap iframe {
  width: 100%;
  max-width: 100%;
  height: 900px;
  display: block;
  border: none;
}

@media (max-width: 768px) {
  .contact-form-wrap {
    padding: 16px;
  }

  .contact-form-wrap iframe {
    height: 1000px;
  }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-bg-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 32px;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: white;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand-text {
  font-size: 13px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.55);
  max-width: 360px;
}

.footer-heading {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.footer-list li {
  margin-bottom: 12px;
}

.footer-list a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  transition: color var(--transition);
}

.footer-list a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-en {
  font-family: var(--font-en);
  letter-spacing: 0.1em;
}

@media (max-width: 768px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* ==========================================================================
   Service Page Components
   ========================================================================== */
.service-block {
  margin-bottom: 80px;
}

.service-block:last-child {
  margin-bottom: 0;
}

.service-block-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  margin-bottom: 24px;
  padding-left: 20px;
  position: relative;
  letter-spacing: 0.02em;
}

.service-block-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: 2px;
}

.service-block-text {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.service-block-text:last-child {
  margin-bottom: 0;
}

/* Plan Card */
.plan-card {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 36px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.plan-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.plan-card:hover {
  border-color: rgba(10, 61, 122, 0.3);
  box-shadow: var(--shadow-md);
}

.plan-card-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.plan-card-price {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.plan-card-price .yen {
  font-size: 16px;
  margin-right: 4px;
}

.plan-card-price .tax {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: 8px;
  font-family: var(--font-body);
}

.plan-card-price .per {
  font-size: 14px;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-left: 4px;
  font-family: var(--font-body);
}

/* Notice */
.notice {
  margin-top: 16px;
  padding: 16px 20px;
  background-color: var(--color-bg-blue);
  border-left: 3px solid var(--color-primary-light);
  border-radius: 4px;
  font-size: 13px;
  line-height: 1.9;
  color: var(--color-text-muted);
}

/* Plan Table */
.plan-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background-color: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.plan-table th,
.plan-table td {
  padding: 18px 24px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border-light);
}

.plan-table tr:last-child th,
.plan-table tr:last-child td {
  border-bottom: none;
}

.plan-table th {
  background-color: var(--color-bg-blue);
  font-weight: 600;
  color: var(--color-text);
  width: 50%;
}

.plan-table td {
  font-family: var(--font-en);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 16px;
}

.plan-table td .tax {
  font-size: 11px;
  font-weight: 400;
  color: var(--color-text-muted);
  margin-left: 4px;
  font-family: var(--font-body);
}

.plan-table-3col th {
  background-color: var(--color-bg-blue);
  width: 33.333%;
}

.plan-table-3col tr:first-child th {
  text-align: center;
}

.plan-table-3col td {
  text-align: center;
}

@media (max-width: 768px) {
  .plan-table th,
  .plan-table td {
    padding: 14px 16px;
    font-size: 13px;
  }

  .plan-card {
    padding: 24px 24px 24px 28px;
  }
}

/* Step List */
.step-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.step-item {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  position: relative;
}

.step-item-num {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-primary-light);
  margin-bottom: 8px;
  display: block;
}

.step-item-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-item-text {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .step-list {
    grid-template-columns: 1fr;
  }
}

/* Definition list (price/policy details) */
.dl-detail {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px 32px;
  margin-bottom: 24px;
}

.dl-detail dt {
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text);
  padding-top: 2px;
}

.dl-detail dd {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.9;
}

@media (max-width: 768px) {
  .dl-detail {
    grid-template-columns: 1fr;
    gap: 4px 0;
  }

  .dl-detail dt {
    margin-top: 12px;
  }

  .dl-detail dt:first-child {
    margin-top: 0;
  }
}

/* ==========================================================================
   Consulting Service Grid (Stacked)
   ========================================================================== */
.service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 32px;
}

.service-grid-item {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 36px 40px;
  position: relative;
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 32px;
  align-items: start;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  overflow: hidden;
}

.service-grid-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}

.service-grid-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(10, 61, 122, 0.2);
}

.service-grid-item:hover::before {
  opacity: 1;
}

.service-grid-num {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
  color: var(--color-primary-light);
  display: block;
  padding-top: 4px;
}

.service-grid-num::after {
  content: "";
  display: block;
  width: 32px;
  height: 2px;
  background-color: var(--color-primary-light);
  margin-top: 12px;
  opacity: 0.5;
}

.service-grid-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
  color: var(--color-text);
  line-height: 1.5;
}

.service-grid-text {
  font-size: 14.5px;
  line-height: 2;
  color: var(--color-text-muted);
}

@media (max-width: 768px) {
  .service-grid {
    gap: 16px;
  }

  .service-grid-item {
    padding: 28px 24px;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .service-grid-num {
    font-size: 28px;
  }

  .service-grid-num::after {
    margin-top: 10px;
  }

  .service-grid-title {
    font-size: 18px;
  }
}

/* ==========================================================================
   Next Step (cross-link block)
   ========================================================================== */
.next-step {
  background: linear-gradient(135deg, #eef4fb 0%, #ffffff 100%);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 64px 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.next-step::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -100px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(56, 189, 248, 0.18) 0%, transparent 70%);
  pointer-events: none;
}

.next-step::after {
  content: "";
  position: absolute;
  bottom: -120px;
  left: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(10, 61, 122, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.next-step-inner {
  position: relative;
  z-index: 1;
}

.next-step-label {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

/* Case Study */
.case-title {
  text-align: left;
}
.case-link {
  margin-top: 32px;
}
.case-link a {
  color: inherit;
  text-decoration: underline;
}
.case-link a:hover {
  opacity: 0.7;
}

.next-step-label::before,
.next-step-label::after {
  content: "";
  width: 24px;
  height: 1px;
  background-color: var(--color-primary);
}

.next-step-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 28px;
  color: var(--color-text);
  line-height: 1.5;
}

.next-step-text {
  font-size: 14.5px;
  line-height: 2;
  color: var(--color-text-muted);
  margin-bottom: 36px;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.next-step-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: white;
  padding: 16px 36px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 6px 20px rgba(10, 61, 122, 0.18);
}

.next-step-link:hover {
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(10, 61, 122, 0.28);
}

.next-step-arrow {
  display: inline-block;
  font-family: var(--font-en);
  transition: transform var(--transition);
}

.next-step-link:hover .next-step-arrow {
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .next-step {
    padding: 48px 28px;
  }

  .next-step-link {
    padding: 14px 28px;
    font-size: 13px;
  }
}

/* ==========================================================================
   About Page
   ========================================================================== */
.about-card {
  background-color: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 48px 56px;
  position: relative;
  overflow: hidden;
}

.about-card::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(56, 189, 248, 0.1) 0%, transparent 70%);
}

.about-list {
  position: relative;
  display: grid;
  grid-template-columns: 180px 1fr;
  row-gap: 24px;
  column-gap: 32px;
}

.about-list dt {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-primary);
  text-transform: uppercase;
  padding-top: 6px;
}

.about-list dd {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: 24px;
}

.about-list dt {
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: 24px;
}

.about-list > *:nth-last-child(-n + 2) {
  border-bottom: none;
  padding-bottom: 0;
}

@media (max-width: 768px) {
  .about-card {
    padding: 32px 24px;
  }

  .about-list {
    grid-template-columns: 1fr;
    row-gap: 8px;
  }

  .about-list dt {
    padding-bottom: 4px;
    border-bottom: none;
  }

  .about-list dd {
    padding-bottom: 20px;
    margin-bottom: 4px;
  }
}

/* ==========================================================================
   Privacy Policy Page
   ========================================================================== */
.privacy-intro {
  font-size: 14px;
  line-height: 2;
  color: var(--color-text-muted);
  padding: 24px 28px;
  background-color: var(--color-bg-blue);
  border-radius: var(--radius-md);
  margin-bottom: 56px;
}

.privacy-section {
  margin-bottom: 40px;
}

.privacy-section:last-child {
  margin-bottom: 0;
}

.privacy-section-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-left: 16px;
  position: relative;
  letter-spacing: 0.02em;
}

.privacy-section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 18px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

.privacy-section-text {
  font-size: 14px;
  line-height: 1.95;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.privacy-section-list {
  font-size: 14px;
  line-height: 1.95;
  color: var(--color-text-muted);
  padding-left: 0;
}

.privacy-section-list li {
  position: relative;
  padding-left: 0;
  margin-bottom: 4px;
}

/* ==========================================================================
   Animations (scroll reveal)
   ========================================================================== */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up-delay-1 {
  transition-delay: 0.1s;
}

.fade-up-delay-2 {
  transition-delay: 0.2s;
}

.fade-up-delay-3 {
  transition-delay: 0.3s;
}

.fade-up-delay-4 {
  transition-delay: 0.4s;
}

/* Hero entry animation (immediate) */
.hero-eyebrow,
.hero-title,
.hero-subtitle {
  opacity: 0;
  transform: translateY(16px);
  animation: heroIn 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-title {
  animation-delay: 0.15s;
}

.hero-subtitle {
  animation-delay: 0.3s;
}

@keyframes heroIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .fade-up {
    opacity: 1;
    transform: none;
  }
}