/* ============================================================
   HAITO KENGO — Personal Website
   Monochrome + Green accent, editorial aesthetic
   ============================================================ */

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

:root {
  --black: #1a1a1a;
  --dark: #222222;
  --gray-700: #444444;
  --gray-500: #666666;
  --gray-400: #888888;
  --gray-300: #aaaaaa;
  --gray-200: #d0d0d0;
  --gray-100: #eeeeee;
  --off-white: #f5f5f5;
  --white: #ffffff;
  --green: #1B6B3A;
  --green-light: #6BAF92;
  --green-pale: #e8f5ee;

  --font-ja: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;

  --header-h: 72px;
  --container: 1120px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-ja);
  color: var(--black);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.3s var(--ease);
}
a:hover { opacity: 0.6; }

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

/* --- Page Overlay (load transition) --- */
.page-overlay {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 9999;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.8s var(--ease);
}
.page-overlay.is-hidden {
  opacity: 0;
}

/* --- Container --- */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: background 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.header.is-scrolled {
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06);
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: lowercase;
  color: var(--black);
}

.nav {
  display: flex;
  gap: 36px;
}

.nav a {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  color: var(--gray-500);
  position: relative;
}
.nav a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--black);
  transition: width 0.3s var(--ease);
}
.nav a:hover {
  opacity: 1;
  color: var(--black);
}
.nav a:hover::after {
  width: 100%;
}

/* Hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 1001;
}
.menu-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--black);
  position: absolute;
  left: 0;
  transition: all 0.3s var(--ease);
}
.menu-toggle span:nth-child(1) { top: 0; }
.menu-toggle span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.menu-toggle span:nth-child(3) { bottom: 0; }

.menu-toggle.is-active span:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.menu-toggle.is-active span:nth-child(2) { opacity: 0; }
.menu-toggle.is-active span:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--black);
  color: var(--white);
  text-align: center;
  padding: 0 40px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(27, 107, 58, 0.12) 0%, transparent 60%);
  pointer-events: none;
}

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

.hero-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 40px;
}

.hero-name {
  font-family: var(--font-ja);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.hero-name-en {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--gray-400);
  margin-bottom: 48px;
}

.hero-tagline {
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: var(--gray-200);
  margin-bottom: 32px;
}

.hero-titles {
  font-size: 13px;
  font-weight: 300;
  color: var(--gray-400);
  letter-spacing: 0.05em;
}
.hero-titles .sep {
  margin: 0 12px;
  opacity: 0.4;
}

/* ============================================================
   SECTIONS — General
   ============================================================ */
.section {
  padding: 120px 0;
}

.section--white {
  background: var(--white);
  color: var(--black);
}

.section--dark {
  background: var(--black);
  color: var(--white);
}

.section-header {
  margin-bottom: 64px;
}

.section-label {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
}
.section-label--light {
  color: var(--green-light);
}

.section-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
}
.section-title--light {
  color: var(--white);
}

/* ============================================================
   ABOUT — Stats
   ============================================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 56px;
}

.stat-card {
  padding: 40px 32px;
  background: var(--off-white);
  border-radius: 2px;
  text-align: center;
  border: 1px solid var(--gray-100);
}

.stat-number {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 700;
  color: var(--green);
  line-height: 1.2;
  margin-bottom: 8px;
}
.stat-arrow {
  margin: 0 4px;
  color: var(--gray-400);
  font-weight: 300;
}
.stat-unit {
  font-size: 24px;
}

.stat-per {
  font-size: 16px;
  font-weight: 400;
  color: var(--gray-500);
  margin-left: 2px;
}

.stat-label {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}
.stat-desc {
  font-size: 13px;
  color: var(--gray-500);
}

.about-message {
  font-size: 16px;
  line-height: 2;
  color: var(--gray-700);
  max-width: 720px;
}
.about-message strong {
  color: var(--black);
  font-weight: 700;
}

/* ============================================================
   CAREER — Timeline
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 80px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 32px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255, 255, 255, 0.15);
}

.timeline-item {
  position: relative;
  display: flex;
  gap: 24px;
  padding-bottom: 48px;
}
.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-num {
  position: absolute;
  left: -80px;
  top: 0;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  color: var(--green-light);
  width: 32px;
  text-align: center;
}

.timeline-num::after {
  content: "";
  position: absolute;
  right: -17px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--green-light);
  border-radius: 50%;
}

.timeline-period {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 4px;
}

.timeline-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--gray-300);
  line-height: 1.8;
}

/* ============================================================
   WORKS — Case cards
   ============================================================ */
.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.work-card {
  background: var(--off-white);
  border-radius: 2px;
  overflow: hidden;
  border: 1px solid var(--gray-100);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.work-image {
  position: relative;
  height: 180px;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.work-image-placeholder {
  font-family: var(--font-en);
  font-size: 20px;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: rgba(255, 255, 255, 0.25);
  text-transform: uppercase;
}

.work-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--white);
  background: var(--green);
  padding: 4px 12px;
  border-radius: 2px;
}

.work-body {
  padding: 28px 24px 32px;
}

.work-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.work-meta {
  font-size: 12px;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.work-desc {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 16px;
}

.work-customer {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: var(--white);
  border-radius: 2px;
  border-left: 2px solid var(--gray-200);
}
.work-customer strong {
  color: var(--green);
  font-weight: 700;
}

.work-highlight {
  font-size: 13px;
  font-weight: 700;
  color: var(--green);
  padding-left: 12px;
  border-left: 2px solid var(--green);
}

/* ============================================================
   SEEKING — Ideal Customer & Challenges
   ============================================================ */
.seeking-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.seeking-card {
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  border-radius: 2px;
  padding: 40px 36px;
}

.seeking-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 32px;
}

.seeking-icon {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  color: var(--green);
  width: 40px;
  height: 40px;
  border: 1.5px solid var(--green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.seeking-card-title {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--black);
}

.seeking-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.seeking-list li {
  font-size: 14px;
  line-height: 1.8;
  padding-left: 20px;
  position: relative;
  color: var(--gray-700);
}
.seeking-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
}
.seeking-list li strong {
  color: var(--black);
}

.seeking-example {
  display: block;
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 2px;
  font-style: italic;
}

.challenge-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.challenge-item {
  padding-left: 16px;
  border-left: 2px solid var(--green);
}

.challenge-item h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.challenge-item p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.8;
}
.challenge-item p strong {
  color: var(--black);
  font-weight: 700;
}

/* ============================================================
   SERVICES
   ============================================================ */
.services-flow {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 64px;
  flex-wrap: wrap;
  justify-content: center;
}

.service-step {
  flex: 1;
  min-width: 180px;
  max-width: 240px;
  padding: 32px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  text-align: center;
}

.service-arrow {
  display: flex;
  align-items: center;
  font-family: var(--font-en);
  font-size: 20px;
  color: var(--gray-500);
  padding: 0 8px;
  margin-top: 40px;
}

.service-badge {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
  border: 1px solid var(--gray-500);
  padding: 3px 10px;
  border-radius: 2px;
  margin-bottom: 16px;
}

.service-badge--accent {
  color: var(--green-light);
  border-color: var(--green-light);
}

.service-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.service-price {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--green-light);
  font-weight: 500;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.7;
}

.service-period {
  font-size: 11px;
  color: var(--gray-500);
  margin-bottom: 12px;
}

/* ---- Price Table ---- */
.price-table {
  margin-top: 80px;
  margin-bottom: 80px;
}

.price-table-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.price-table-grid {
  display: flex;
  flex-direction: column;
}

.price-row {
  display: grid;
  grid-template-columns: 1fr 1fr 2fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  align-items: center;
}

.price-row--header {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.price-service {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
}

.price-amount {
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 700;
  color: var(--green-light);
}
.price-amount small {
  font-size: 12px;
  font-weight: 400;
  color: var(--gray-400);
}
.price-amount--free {
  color: var(--green-light);
}

.price-note {
  font-size: 13px;
  color: var(--gray-400);
}

/* ---- Case Studies with Pricing ---- */
.case-pricing {}

.case-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 24px;
}

.case-price-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.case-price-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.case-price-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--green-light);
  border: 1px solid var(--green-light);
  padding: 2px 8px;
  border-radius: 2px;
  margin-bottom: 8px;
}

.case-price-header h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.5;
}

.case-price-body {
  padding: 16px 24px;
}

.case-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}
.case-price-row:last-child {
  border-bottom: none;
}

.case-price-label {
  font-size: 13px;
  color: var(--gray-400);
}

.case-price-value {
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}
.case-price-value--accent {
  color: var(--green-light);
}

.case-price-note {
  padding: 12px 24px 20px;
  font-size: 12px;
  color: var(--gray-500);
  line-height: 1.7;
}

/* ============================================================
   PHILOSOPHY
   ============================================================ */
.philosophy-block {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.philosophy-brand {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.philosophy-brand-sub {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-500);
  letter-spacing: 0.15em;
  margin-bottom: 56px;
}

.philosophy-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 56px;
  text-align: left;
}

.philosophy-step {
  padding: 24px;
  border-top: 2px solid var(--green);
}

.philosophy-num {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
  margin-bottom: 12px;
  display: block;
}

.philosophy-step h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 8px;
}

.philosophy-step p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.8;
}

.philosophy-tagline {
  font-size: 16px;
  font-weight: 300;
  line-height: 2;
  color: var(--gray-500);
  letter-spacing: 0.05em;
}

/* ============================================================
   MVV Cards (inside Philosophy)
   ============================================================ */
.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 64px;
  text-align: left;
}

.mvv-card {
  padding: 36px 28px;
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  border-radius: 2px;
  border-top: 3px solid var(--green);
}

.mvv-label {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 20px;
}

.mvv-label-ja {
  font-family: var(--font-ja);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: none;
  color: var(--gray-500);
}

.mvv-statement {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.8;
  color: var(--black);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.mvv-desc {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.9;
}

/* ============================================================
   MVV IMAGE
   ============================================================ */
.mvv-image {
  margin-bottom: 48px;
}
.mvv-image img {
  max-width: 560px;
  width: 100%;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.08);
}

/* ============================================================
   SITUATION
   ============================================================ */
.situation-block {
  margin: 0 auto 64px;
  max-width: 600px;
  padding: 36px 40px;
  background: var(--off-white);
  border: 1px solid var(--gray-100);
  border-radius: 2px;
  border-left: 4px solid var(--green);
  text-align: left;
}

.situation-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}

.situation-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 12px;
  line-height: 1.5;
}

.situation-desc {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.9;
}

/* ============================================================
   GOALS
   ============================================================ */
.goals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 72px;
}

.goal-card {
  padding: 32px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  border-top: 3px solid var(--green-light);
}

.goal-card-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--green-light);
  margin-bottom: 8px;
}

.goal-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.5;
}

.goal-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.goal-list li {
  font-size: 13px;
  color: var(--gray-300);
  line-height: 1.8;
  padding-left: 16px;
  position: relative;
}
.goal-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--green-light);
  border-radius: 50%;
  opacity: 0.6;
}

/* Commitment */
.commitment-block {
  padding-top: 64px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.commitment-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 8px;
}

.commitment-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 32px;
}

.commitment-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.commitment-item {
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 2px;
}

.commitment-head {
  font-size: 14px;
  font-weight: 700;
  color: var(--green-light);
  margin-bottom: 8px;
}

.commitment-desc {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.8;
}

/* ============================================================
   CREDENTIALS
   ============================================================ */
.credentials-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
  margin-bottom: 64px;
}

.credential-hero-stat {
  text-align: center;
  padding: 48px 32px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 2px;
}

.credential-big-num {
  font-family: var(--font-en);
  font-size: 56px;
  font-weight: 700;
  color: var(--green-light);
  line-height: 1.1;
  margin-bottom: 8px;
}
.credential-big-num span {
  font-family: var(--font-ja);
  font-size: 20px;
  font-weight: 500;
  margin-left: 4px;
}

.credential-big-label {
  font-size: 14px;
  color: var(--gray-400);
}

.credential-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.credential-card {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.03);
}

.credential-card-label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 8px;
}

.credential-card-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-200);
}

/* Lectures */
.lectures {
  padding-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.lectures-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-400);
  margin-bottom: 8px;
}

.lectures-list {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 2;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--dark);
  color: var(--white);
  padding: 80px 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 32px;
}

.footer-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.footer-name-en {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.footer-tagline {
  font-size: 14px;
  font-weight: 300;
  color: var(--gray-400);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col-title {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 4px;
}

.footer-col p,
.footer-col a {
  font-size: 13px;
  color: var(--gray-400);
  line-height: 1.6;
}
.footer-col a:hover {
  opacity: 1;
  color: var(--white);
}

.footer-bottom {
  text-align: center;
}
.footer-bottom p {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--gray-500);
  letter-spacing: 0.05em;
}

/* ============================================================
   FADE-IN ANIMATION
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .container { padding: 0 24px; }
  .header-inner { padding: 0 24px; }

  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
    z-index: 999;
  }
  .nav.is-open {
    transform: translateX(0);
  }
  .nav a {
    font-size: 16px;
    color: var(--black);
  }

  .menu-toggle { display: block; }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .works-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .services-flow {
    flex-direction: column;
    align-items: center;
  }
  .service-step {
    max-width: 100%;
    width: 100%;
  }
  .service-arrow {
    transform: rotate(90deg);
    margin: 8px 0;
    padding: 0;
  }

  .price-row {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .price-row .price-note {
    grid-column: 1 / -1;
  }

  .case-pricing-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .seeking-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .mvv-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .goals-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .commitment-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .situation-block {
    padding: 24px 20px;
  }

  .philosophy-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .credentials-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .credential-cards {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-titles {
    display: flex;
    flex-direction: column;
    gap: 4px;
  }
  .hero-titles .sep { display: none; }

  .section { padding: 80px 0; }

  .timeline { padding-left: 60px; }
  .timeline::before { left: 20px; }
  .timeline-num { left: -60px; width: 20px; }
  .timeline-num::after { right: -13px; }
}

@media (max-width: 480px) {
  :root { --header-h: 60px; }
  .container { padding: 0 16px; }
  .header-inner { padding: 0 16px; }
  .hero { padding: 0 20px; }
  .section { padding: 64px 0; }
  .stat-card { padding: 24px 16px; }
  .stat-number { font-size: 28px; }
  .credential-big-num { font-size: 40px; }
}