/* ============================================
   Cloud Pratica — Top Page Styles
   ============================================ */

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-32) 0 var(--space-16);
  overflow: hidden;
  background: var(--gradient-bg);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero__content {
  max-width: 600px;
}

.hero__title {
  font-family: 'Inter', var(--font-primary);
  font-size: clamp(1.9rem, 3.4vw, 3.1rem);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: var(--space-8);
  letter-spacing: 0.15em;
  color: #f0f4f8;
}

.hero__accent {
  background: linear-gradient(135deg, #6BA3F7, #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
}

.hero__subtitle {
  font-family: 'Noto Sans JP', var(--font-primary);
  font-size: var(--text-xl);
  color: #e8ecf0;
  font-weight: 500;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-12);
  letter-spacing: 0.02em;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  color: var(--color-text-muted);
  animation: float 2s ease-in-out infinite;
}

.sp-only {
  display: none;
}

@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__title {
    font-size: clamp(2rem, 5vw, 3rem);
  }
}

.pc-only {
  display: inline;
}

@media (max-width: 640px) {
  .hero__title {
    font-size: 2rem;
  }


  .pc-only {
    display: none;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .sp-only {
    display: inline;
  }
}

/* ── Terminal ── */
.hero__terminal {
  background: #1a1e2e;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
}

.terminal__header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--color-border);
}

.terminal__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal__dot--red { background: #ff5f56; }
.terminal__dot--yellow { background: #ffbd2e; }
.terminal__dot--green { background: #27c93f; }

.terminal__title {
  margin-left: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.terminal__body {
  padding: var(--space-8);
  min-height: 280px;
}

.terminal__line {
  display: flex;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: 1.8;
}

.terminal__prompt {
  color: var(--color-accent);
  font-weight: var(--weight-bold);
}

.terminal__text {
  color: var(--color-text-primary);
}

/* ── YAML Editor Panel ── */
.hero__visual {
  position: relative;
}

.hero__editor {
  position: relative;
  background: #1e1e2e;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 24px rgba(107, 163, 247, 0.05);
  z-index: 1;
  contain: layout paint;
}

.hero__terminal--overlay {
  position: relative;
  margin-top: -100px;
  margin-left: 60px;
  z-index: 3;
  background: rgba(26, 30, 46, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-xl), 0 0 32px rgba(107, 163, 247, 0.08);
}

.fade-in-editor {
  opacity: 0;
  transform: translateY(20px) translateX(10px);
  animation: editorSlideIn 0.6s ease-out 0.3s forwards;
}

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

.editor__tab-bar {
  display: flex;
  align-items: center;
  background: #151520;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0;
}

.editor__tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  background: #151520;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.editor__tab--active {
  background: #1e1e2e;
  color: var(--color-text-primary);
  border-top: 2px solid #6BA3F7;
  border-bottom: none;
}

.editor__tab-close {
  opacity: 0.4;
  margin-left: 4px;
  cursor: pointer;
}

.editor__tab-badge {
  font-size: 10px;
  color: #d4a959;
  font-weight: 600;
  margin-left: 2px;
}

.editor__breadcrumb {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.01);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.editor__breadcrumb-sep {
  opacity: 0.5;
}

.editor__body {
  display: flex;
  padding: 12px 0;
  max-height: 360px;
  overflow: hidden;
}

.editor__lines {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  padding: 0 12px 0 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.2);
  user-select: none;
  min-width: 36px;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
}

.editor__code {
  padding: 0 16px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.65;
  color: #abb2bf;
  overflow: hidden;
  white-space: pre;
}

.editor__code code {
  font-family: inherit;
}

/* Syntax highlighting — One Dark inspired */
.yt-key { color: #e06c75; }
.yt-val { color: #61afef; }
.yt-str { color: #98c379; }
.yt-num { color: #d19a66; }
.df-comment { color: #5c6370; font-style: italic; }
.df-instr { color: #c678dd; }

@media (max-width: 1024px) {
  .hero__editor {
    display: block;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }

  .editor__tab.pc-only {
    display: none;
  }

  .hero__editor .editor__body {
    max-height: 220px;
    overflow-x: hidden;
  }

  .hero__editor .editor__code {
    font-size: 11px;
    text-align: left;
  }

  .hero__editor .editor__lines {
    font-size: 11px;
    min-width: 28px;
    padding: 0 8px 0 10px;
  }

  .hero__terminal--overlay {
    margin-top: 0;
    margin-left: 0;
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    background: rgba(26, 30, 46, 0.95);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: none;
  }

  .hero__terminal--overlay .terminal__body {
    min-height: auto;
    height: calc(1.8em * 5 + var(--space-4) * 2);
    padding: var(--space-4);
    font-size: 12px;
    text-align: left;
    overflow-y: hidden;
  }

  .hero__terminal--overlay .terminal__header {
    background: rgba(255, 255, 255, 0.02);
    padding: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .hero__terminal--overlay .terminal__dot {
    display: none;
  }

  .hero__terminal--overlay .terminal__title {
    font-size: 0;
    display: flex;
    align-items: center;
    gap: 0;
    width: 100%;
  }

  .hero__terminal--overlay .terminal__title::before {
    content: 'デバッグ';
    font-size: 11px;
    padding: 6px 12px;
    color: rgba(255, 255, 255, 0.35);
    border-bottom: none;
  }

  .hero__terminal--overlay .terminal__title::after {
    content: 'ターミナル';
    font-size: 11px;
    padding: 6px 12px;
    color: var(--color-text-primary);
    border-bottom: 1px solid var(--color-accent);
  }
}

/* ── Section Navigation Dots ── */
.section-nav {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 28px;
  z-index: 100;
}

html {
  scroll-behavior: smooth;
}

.section-nav__dot {
  position: relative;
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
  cursor: pointer;
  text-decoration: none;
}

.section-nav__dot::before {
  content: '';
  position: absolute;
  inset: -12px -12px -12px -80px;
}

.section-nav__dot:hover {
  background: rgba(255, 255, 255, 0.5);
  transform: scale(1.3);
}

.section-nav__dot--active {
  width: 10px;
  height: 10px;
  background: #6BA3F7;
  box-shadow: 0 0 8px #6BA3F7, 0 0 16px rgba(107, 163, 247, 0.3);
}

.section-nav__dot--active:hover {
  background: #6BA3F7;
}

.section-nav__label {
  position: absolute;
  right: calc(100% + 16px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: 12px;
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  background: none;
  border: none;
  padding: 4px 0;
  border-radius: 0;
  opacity: 0.3;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.section-nav__dot:hover .section-nav__label,
.section-nav__dot--active .section-nav__label {
  opacity: 1;
}

@media (max-width: 1500px) {
  .section-nav {
    display: none;
  }
}

/* ── Mobile Section Pill Navigation ── */
.section-pill-nav {
  display: none;
}

@media (max-width: 1500px) {
  .section-pill-nav {
    display: block;
    position: fixed;
    top: 52px;
    left: 0;
    right: 0;
    z-index: 99;
    background: rgba(10, 14, 23, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    padding: 6px 0 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    transform: translateY(-100%);
    pointer-events: none;
  }

  .section-pill-nav--visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .section-pill-nav__track {
    display: flex;
    align-items: center;
    gap: 0;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    scroll-behavior: smooth;
  }

  .section-pill-nav__track::-webkit-scrollbar {
    display: none;
  }

  .section-pill {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 16px 5px;
    font-size: 12px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.35);
    background: none;
    border: none;
    border-radius: 0;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s ease;
    letter-spacing: 0.02em;
    position: relative;
  }

  /* Underline indicator for active item */
  .section-pill::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: #6BA3F7;
    border-radius: 1px;
    transition: width 0.25s ease;
  }

  .section-pill:hover {
    color: rgba(255, 255, 255, 0.6);
  }

  .section-pill--active {
    color: #6BA3F7;
    font-weight: 500;
  }

  .section-pill--active::before {
    width: 70%;
  }

  .section-pill--active:hover {
    color: #6BA3F7;
  }
}

/* Override for smaller screens (mobile) */
@media (max-width: 1024px) {

  .section-pill-nav {
    padding: 8px 0 0;
  }

  .section-pill {
    padding: 7px 12px 4px;
    font-size: 11px;
    letter-spacing: 0.01em;
  }
}

@media (max-width: 768px) {
  .section-pill-nav {
    padding: 2px 0 0;
  }
}

/* ── Stats Section ── */
.stats-section {
  position: relative;
  padding: var(--space-16) 0;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .stats-section {
    padding: var(--space-10) 0;
  }
}

/* ── Target Audience Section ── */
.target-section {
  position: relative;
  background: linear-gradient(180deg, var(--color-bg-primary) 0%, rgba(13, 59, 122, 0.08) 50%, var(--color-bg-primary) 100%);
  overflow: hidden;
}

.target-section::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(107, 163, 247, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.target-section::after {
  content: '';
  position: absolute;
  bottom: 10%;
  left: -200px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(13, 59, 122, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.target-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 880px;
  margin: 0 auto;
}

/* ── Row ── */
.target-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid rgba(148, 163, 184, 0.08);
  transition: background var(--transition-base);
}

.target-row:first-child {
  border-top: 1px solid rgba(148, 163, 184, 0.08);
}

.target-row:hover {
  background: rgba(107, 163, 247, 0.04);
}

/* Number */
.target-row__num {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: #6BA3F7;
  opacity: 0.8;
  letter-spacing: 0.05em;
  width: 28px;
  text-align: center;
  line-height: var(--leading-relaxed);
}

/* Text */
.target-row__text {
  font-size: var(--text-lg);
  color: var(--color-text-primary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .target-row {
    padding: var(--space-4) var(--space-4);
    gap: var(--space-3);
  }

  .target-row__text {
    font-size: var(--text-base);
  }
}


.logo-carousel-section {
  padding: var(--space-10) 0;
  overflow: hidden;
  position: relative;
  background: rgba(255, 255, 255, 0.92);
}

.logo-carousel-section::before,
.logo-carousel-section::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.logo-carousel-section::before {
  left: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.92), transparent);
}

.logo-carousel-section::after {
  right: 0;
  background: linear-gradient(270deg, rgba(255, 255, 255, 0.92), transparent);
}

.logo-carousel__track {
  display: flex;
  width: max-content;
  will-change: transform;
}

.logo-carousel__track--upper {
  animation: carousel-scroll-left 30s linear infinite;
  margin-bottom: var(--space-6);
}

.logo-carousel__track--lower {
  animation: carousel-scroll-right 35s linear infinite;
}

.logo-carousel__slide-group {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  padding: 0 var(--space-8);
}

.logo-carousel__img {
  height: 52px;
  width: auto;
  max-width: 160px;
  object-fit: contain;
  opacity: 0.8;
  transition: all 0.4s ease;
  flex-shrink: 0;
}

/* Make only Go logo slightly smaller (about 0.8x) */
.logo-carousel__img[src*="golang.webp"] {
  height: 42px;
  max-width: 130px;
}

/* Make only AWS logo slightly smaller (about 0.9x) */
.logo-carousel__img[src*="aws.png"] {
  height: 47px;
  max-width: 144px;
}

.logo-carousel__img:hover {
  opacity: 1;
  transform: scale(1.15);
}

@keyframes carousel-scroll-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes carousel-scroll-right {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

@media (max-width: 640px) {
  .logo-carousel-section::before,
  .logo-carousel-section::after {
    width: 30px;
  }

  .logo-carousel__img {
    height: 36px;
    max-width: 100px;
  }

  .logo-carousel__img[src*="golang.webp"] {
    height: 29px;
    max-width: 85px;
  }

  .logo-carousel__img[src*="aws.png"] {
    height: 32px;
    max-width: 90px;
  }
  .logo-carousel__slide-group {
    gap: var(--space-8);
  }
}

/* ── Why Section ── */
.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: var(--space-10);
  row-gap: calc(var(--space-10) + 5px);
}

.why-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  padding-top: var(--space-12);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: border-color var(--transition-base);
}

.why-card:hover {
  border-color: rgba(107, 163, 247, 0.3);
}

.why-card__number {
  position: absolute;
  top: 0;
  left: var(--space-6);
  transform: translateY(-55%);
  font-size: 56px;
  font-weight: var(--weight-extrabold);
  font-family: var(--font-mono);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  letter-spacing: -0.02em;
  z-index: 1;
  opacity: 0.9;
}

.why-card__body {
  flex: 1;
}

.why-card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-3);
  color: var(--color-text-primary);
}

.why-card__text {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.why-card__points {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.why-card__point {
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-accent);
}

.why-card__point-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.why-card__point .why-card__text {
  margin-bottom: 0;
  font-size: var(--text-xs);
}

/* Stats */
.why-stats {
  display: flex;
  gap: var(--space-8);
}

.why-stat {
  text-align: center;
}

.why-stat__number {
  display: block;
  font-size: var(--text-3xl);
  font-weight: var(--weight-extrabold);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.why-stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Course tags */
.why-courses {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.why-course-tag {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.why-course-tag img {
  border-radius: 4px;
  flex-shrink: 0;
}

/* Cycle */
/* Victory Cycle — 2x2 grid diagram */
.victory-cycle {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.victory-cycle__icon {
  display: none;
}

.victory-cycle__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-rows: auto auto auto;
  gap: 0;
  align-items: center;
  justify-items: center;
  width: 100%;
}

.victory-cycle__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-4) var(--space-3);
  border: 1.5px solid #6BA3F7;
  border-radius: var(--radius-lg);
  background: rgba(107, 163, 247, 0.05);
  min-height: 80px;
  width: 100%;
}

.victory-cycle__num {
  font-size: 10px;
  font-weight: 700;
  color: #6BA3F7;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  opacity: 0.6;
}

.victory-cycle__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  line-height: 1.5;
}

.victory-cycle__arrow {
  color: #6BA3F7;
  font-size: var(--text-lg);
  padding: var(--space-2);
  opacity: 0.6;
  user-select: none;
}

.victory-cycle__spacer {
  /* empty center cell */
}

@media (max-width: 600px) {
  .victory-cycle {
    flex-direction: column;
  }



  .victory-cycle__step {
    padding: var(--space-3) var(--space-2);
    min-height: 60px;
  }

  .victory-cycle__label {
    font-size: var(--text-xs);
  }
}

/* Community */
.why-community {
  display: flex;
  gap: var(--space-6);
}

.why-community__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
  padding: var(--space-5) var(--space-4);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  flex: 1;
}

.why-community__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(107, 163, 247, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6BA3F7;
  flex-shrink: 0;
}

.why-community__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.why-community__sub {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.why-community__list {
  list-style: none;
  padding: 0;
  margin: var(--space-2) 0 0;
  font-size: 11px;
  color: var(--color-text-muted);
  text-align: left;
}

.why-community__list li {
  position: relative;
  padding-left: 14px;
  line-height: 1.6;
}

.why-community__list li::before {
  content: '•';
  position: absolute;
  left: 2px;
  color: #6BA3F7;
}

/* Perks */
.why-perks {
  display: flex;
  gap: var(--space-4);
}

.why-perk {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  flex: 1;
  text-align: center;
  color: var(--color-accent);
}

.why-perk span {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.why-perk small {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .why-grid {
    grid-template-columns: 1fr;
  }

  .why-grid {
    gap: 52px;
  }

  .why-card {
    padding: var(--space-5);
    padding-top: var(--space-10);
  }

  .why-stats {
    flex-direction: column;
    gap: var(--space-4);
  }

  .why-courses {
    grid-template-columns: 1fr;
  }


  .why-community {
    flex-direction: column;
    gap: var(--space-3);
  }

  .why-community__label br {
    display: none;
  }

  .why-perks {
    flex-direction: column;
    gap: var(--space-3);
  }
}

/* ── Tech Section ── */
.tech-section {
  background: linear-gradient(180deg, transparent 0%, rgba(13, 59, 122, 0.05) 50%, transparent 100%);
}

/* Core Tools row */
.tech-core {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.tech-core__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: all var(--transition-base);
}

.tech-core__item:hover {
  border-color: var(--color-accent);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 133, 255, 0.15);
}

.tech-core__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.8);
  flex-shrink: 0;
}

.tech-core__icon img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.tech-core__name {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  white-space: nowrap;
}

/* Tech Cards */
.tech-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.tech-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.tech-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  opacity: 0.8;
}

.tech-card--aws::before { background: linear-gradient(90deg, #FF9900, #FFAD33); }
.tech-card--gcp::before { background: linear-gradient(90deg, #4285F4, #34A853, #FBBC04, #EA4335); }
.tech-card--k8s::before { background: linear-gradient(90deg, #326CE5, #54A3F7); }

.tech-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.tech-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.tech-card__logo {
  width: 48px;
  height: 48px;
  max-width: 48px;
  max-height: 48px;
  object-fit: contain;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.85);
  padding: 4px;
}

.tech-card__name {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: 2px;
}

.tech-card__count {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}

.tech-card__services {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-tag {
  display: inline-block;
  padding: 3px 10px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  letter-spacing: 0.01em;
  transition: all 0.2s ease;
  line-height: 1.6;
}

.tech-tag:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--color-text-primary);
}

.tech-card--aws .tech-tag:hover { border-color: rgba(255, 153, 0, 0.4); color: #FF9900; }
.tech-card--gcp .tech-tag:hover { border-color: rgba(66, 133, 244, 0.4); color: #4285F4; }
.tech-card--k8s .tech-tag:hover { border-color: rgba(50, 108, 229, 0.4); color: #326CE5; }

.tech-tag--highlight {
  background: rgba(50, 108, 229, 0.12);
  border-color: rgba(50, 108, 229, 0.25);
  color: #6BA3F7;
}

.tech-tag--highlight:hover {
  background: rgba(50, 108, 229, 0.2);
  border-color: rgba(50, 108, 229, 0.5);
  color: #8BB8F9;
}

@media (max-width: 1024px) {
  .tech-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .tech-core {
    gap: var(--space-3);
  }
  .tech-core__item {
    padding: var(--space-2) var(--space-4);
  }
}

/* ── Course Card Colors ── */
.course-mini-card {
  position: relative;
}

.course-mini-card .card__logo-row {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-3);
}

.course-mini-card .card__logo-badge {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.course-mini-card .card__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.8);
  padding: 4px;
}

/* ── Badge Colors (for top page) ── */
.badge--aws { background: rgba(255, 153, 0, 0.1); color: #ff9900; border-color: rgba(255, 153, 0, 0.2); }
.badge--terraform { background: rgba(129, 69, 228, 0.1); color: #8145E4; border-color: rgba(129, 69, 228, 0.2); }
.badge--k8s { background: rgba(50, 108, 229, 0.1); color: #326CE5; border-color: rgba(50, 108, 229, 0.2); }
.badge--datadog { background: rgba(99, 44, 166, 0.1); color: #632CA6; border-color: rgba(99, 44, 166, 0.2); }
.badge--gcp { background: rgba(66, 133, 244, 0.1); color: #4285F4; border-color: rgba(66, 133, 244, 0.2); }
.badge--cicd { background: rgba(45, 186, 78, 0.1); color: #2DBA4E; border-color: rgba(45, 186, 78, 0.2); }

/* ── SNS Section ── */
.sns-section {
  background: linear-gradient(180deg, transparent 0%, rgba(13, 59, 122, 0.05) 50%, transparent 100%);
}

.sns-subsection__title {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-8);
  color: var(--color-text-primary);
}

.sns-subsection__title svg {
  flex-shrink: 0;
}

.sns-hashtag {
  font-size: var(--text-sm);
  font-family: var(--font-mono);
  color: var(--color-accent);
  background: var(--color-accent-glow);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-hover);
  margin-left: var(--space-2);
}

/* YouTube Section */
.sns-youtube {
  margin-bottom: var(--space-12);
}

.sns-youtube__footer {
  display: flex;
  justify-content: center;
  margin-top: var(--space-8);
}

/* YouTube Red Button */
.btn--youtube {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: #fff;
  background: #FF0000;
  border: none;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(255, 0, 0, 0.25);
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn--youtube:hover {
  background: #CC0000;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(255, 0, 0, 0.4);
}

.btn--youtube:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(255, 0, 0, 0.25);
}

.btn--youtube svg {
  flex-shrink: 0;
}

/* YouTube Grid */
.youtube-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-6);
}

.youtube-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.youtube-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.youtube-card__wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
}

.youtube-card__wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: var(--radius-xl);
}

/* YouTube Lite — thumbnail + play button overlay */
.youtube-lite {
  cursor: pointer;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.youtube-lite__thumb {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-xl);
}

.youtube-lite__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: transform 0.15s ease;
  z-index: 1;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.4));
}

.youtube-lite:hover .youtube-lite__play {
  transform: translate(-50%, -50%) scale(1.1);
}

.youtube-lite--active {
  cursor: default;
}

.youtube-card__info {
  padding: var(--space-4) var(--space-5);
}

.youtube-card__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

/* Twitter Section */
.sns-twitter {
  margin-top: var(--space-16);
}

.twitter-carousel {
  position: static;
  display: block;
}

.twitter-carousel__viewport {
  overflow: visible;
}

.twitter-carousel__track {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

.twitter-carousel__card {
  flex: 0 0 auto;
  width: 100%;
  max-width: 550px;
  max-height: none;
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  transition: opacity var(--transition-base);
}

/* Override X embed styles */
.twitter-carousel__card .twitter-tweet {
  margin: 0 !important;
}

.twitter-carousel__btn {
  display: none;
}

/* Carousel dots */
.twitter-carousel__dots {
  display: none;
}

@media (max-width: 768px) {
  .twitter-carousel__card {
    flex: 0 0 auto;
    max-width: 100%;
    max-height: none;
  }

  .sns-subsection__title {
    font-size: var(--text-xl);
  }

  .sns-twitter {
    margin-top: var(--space-10);
  }
}

@media (max-width: 480px) {
  .twitter-carousel__viewport {
    overflow: visible;
  }

  .twitter-carousel__card {
    flex: 0 0 auto;
  }
}

/* ── Advent Calendar Section ── */
.advent-carousel-container {
  position: relative;
  margin-bottom: var(--space-8);
  padding: 0 var(--space-4); /* Add padding for buttons on mobile */
}

.advent-carousel {
  overflow-x: auto; /* Enable horizontal scroll */
  overflow-y: hidden;
  width: 100%;
  padding: var(--space-4) 0;
  scroll-behavior: smooth; /* Smooth scrolling */
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none; /* Firefox: hide scrollbar */
  -ms-overflow-style: none; /* IE/Edge: hide scrollbar */
}

.advent-carousel::-webkit-scrollbar {
  display: none; /* Chrome/Safari: hide scrollbar */
}

.advent-track {
  display: flex;
  gap: var(--space-6);
  width: max-content; /* Ensure items fit */
  padding: 0 var(--space-6); /* Sufficient padding to prevent right-side cut-off */
}

.advent-card {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  width: 300px;
  flex-shrink: 0;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  overflow: hidden;
  height: 380px;
}

.advent-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
}

.advent-card__cover {
  height: 160px;
  background-color: var(--color-bg-subtle);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

/* Platform-specific cover backgrounds */
.advent-card__cover--note { background: linear-gradient(135deg, #2c3e50, #41b883); }
.advent-card__cover--qiita { background: linear-gradient(135deg, #55c500, #2c3e50); }
.advent-card__cover--zenn { background: linear-gradient(135deg, #3ea8ff, #2c3e50); }
.advent-card__cover--hatena { background: linear-gradient(135deg, #008fde, #2c3e50); }
.advent-card__cover--other { background: linear-gradient(135deg, #666, #2c3e50); }

.advent-card__avatar-large {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.advent-card__date {
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: var(--weight-bold);
  padding: var(--space-1) var(--space-3);
  border-bottom-right-radius: var(--radius-md);
  z-index: 2;
}

/* Advent Calendar spacing & subtitle */
.sns-advent {
  margin-top: var(--space-12);
}

.sns-advent__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-tertiary);
  margin: var(--space-2) 0 var(--space-6);
}

.advent-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.advent-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.advent-card__author {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  font-weight: var(--weight-medium);
}

.advent-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
  margin-bottom: var(--space-4);
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.advent-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
}

.advent-card__platform {
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.advent-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: var(--shadow-md);
  color: var(--color-text-primary);
  transition: all var(--transition-base);
}

.advent-nav:hover {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.advent-nav:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--color-bg-subtle);
  color: var(--color-text-tertiary);
}

.advent-nav--prev {
  left: -20px;
}

.advent-nav--next {
  right: -20px;
}

@media (max-width: 768px) {
  .advent-nav {
    display: none; /* Hide buttons on mobile, rely on swipe */
  }
  
  .advent-carousel {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: var(--space-4);
    -webkit-overflow-scrolling: touch;
  }
  
  .advent-track {
    width: auto; /* Allow native scrolling */
    padding: 0 var(--space-6);
    gap: var(--space-4);
  }
  
  .advent-card {
    scroll-snap-align: center;
    width: 65vw;
  }
}

.advent-actions {
  display: flex;
  justify-content: center;
  margin-top: var(--space-4);
}

/* ── Architecture Grid Section ── */
.arch-section {
  background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.04) 30%, rgba(255, 255, 255, 0.06) 50%, rgba(255, 255, 255, 0.04) 70%, transparent 100%);
}

.arch-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.arch-card {
  display: block;
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  cursor: pointer;
}

.arch-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

/* Hover overlay for arch cards */
.arch-card__img-wrap::after {
  content: '詳細を見る →';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 59, 122, 0.75);
  color: #fff;
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  letter-spacing: 0.05em;
  opacity: 0;
  transition: opacity var(--transition-base);
  border-radius: var(--radius-xl);
}

.arch-card:hover .arch-card__img-wrap::after {
  opacity: 1;
}

.arch-card--wide {
  grid-column: 1 / -1;
}

.arch-card__img-wrap {
  position: relative;
  background: #e8ecf1;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-4);
  overflow: hidden;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.1);
}

.arch-card__img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  border-radius: var(--radius-lg);
}

.arch-card__info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-3);
  justify-content: center;
}

.arch-card__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-accent-glow);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
  border: 1px solid rgba(107, 163, 247, 0.2);
}

.arch-card__badge--aws {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: none;
}

.arch-card__badge--gcp {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: none;
}

.arch-card__badge--datadog {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: none;
}

.arch-card__badge--k8s {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border: none;
}

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

  .arch-card__img-wrap {
    height: 280px;
    padding: var(--space-3);
  }
}

/* ── Learning Flow Section ── */
.flow-section {
  background: linear-gradient(180deg, transparent 0%, rgba(13, 59, 122, 0.06) 50%, transparent 100%);
  position: relative;
  overflow: hidden;
}

.flow-timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-8) 0 var(--space-4);
}

/* Vertical glowing line */
.flow-timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(107, 163, 247, 0.15) 5%,
    rgba(107, 163, 247, 0.4) 20%,
    rgba(107, 163, 247, 0.4) 80%,
    rgba(107, 163, 247, 0.15) 95%,
    transparent 100%
  );
}

/* Glowing overlay for the line */
.flow-timeline::after {
  content: '';
  position: absolute;
  left: 24px;
  top: 0;
  bottom: 0;
  width: 10px;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(107, 163, 247, 0.05) 20%,
    rgba(107, 163, 247, 0.08) 50%,
    rgba(107, 163, 247, 0.05) 80%,
    transparent 100%
  );
  filter: blur(4px);
  pointer-events: none;
}

/* Each step */
.flow-step {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding-left: 0;
  margin-bottom: var(--space-10);
}

.flow-step:last-child {
  margin-bottom: 0;
}

/* Step number circle */
.flow-step__number {
  position: relative;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0D3B7A 0%, #6BA3F7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: #fff;
  z-index: 2;
  box-shadow:
    0 0 20px rgba(107, 163, 247, 0.3),
    0 0 40px rgba(107, 163, 247, 0.1);
  transition: all var(--transition-slow);
}

.flow-step__number-prime {
  position: absolute;
  top: 4px;
  right: 2px;
  font-size: 12px;
  font-weight: 800;
  line-height: 1;
  color: #6BA3F7;
}

.flow-step.visible .flow-step__number {
  animation: flowPulse 2s ease-in-out 0.3s 1;
}

@keyframes flowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(107, 163, 247, 0.3), 0 0 40px rgba(107, 163, 247, 0.1); }
  50% { box-shadow: 0 0 30px rgba(107, 163, 247, 0.5), 0 0 60px rgba(107, 163, 247, 0.2); }
}

/* Step arrow connector from circle to card */
.flow-step__card {
  flex: 1;
  position: relative;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-slow);
  overflow: hidden;
}

.flow-step__card:hover {
  border-color: var(--color-border-hover);
  background: rgba(30, 41, 59, 0.7);
  box-shadow: var(--shadow-glow);
  transform: translateX(4px);
}

/* Accent top border */
.flow-step__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #6BA3F7 0%, transparent 100%);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  opacity: 0.6;
}

.flow-step__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}

/* Icon + Title row on PC */
.flow-step__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.flow-step__header .flow-step__icon {
  margin-bottom: 0;
}

.flow-step__header .flow-step__title {
  margin-bottom: 0;
}

.flow-step__text {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin: 0;
}

.flow-step__video {
  margin-top: var(--space-4);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

/* Accordion (details/summary) */
.flow-step__accordion {
  margin-top: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.flow-step__accordion-trigger {
  padding: 10px 16px;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background var(--transition-fast);
}

.flow-step__accordion-trigger::-webkit-details-marker {
  display: none;
}

.flow-step__accordion-trigger::after {
  content: '▸';
  margin-left: auto;
  font-size: 12px;
  color: var(--color-text-tertiary);
  transition: transform var(--transition-fast);
}

.flow-step__accordion[open] .flow-step__accordion-trigger::after {
  transform: rotate(90deg);
}

.flow-step__accordion-trigger:hover {
  background: rgba(255, 255, 255, 0.03);
}

.flow-step__accordion-content {
  padding: 0 12px 12px;
  max-height: 400px;
  overflow-y: auto;
}

.flow-step__accordion-img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .flow-step__accordion-content {
    padding: 0 0 8px;
  }

  .flow-step__accordion-img {
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
}

/* Note callout within step card */
.flow-step__note {
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: rgba(107, 163, 247, 0.06);
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Icon within step card */
.flow-step__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(107, 163, 247, 0.1);
  color: #6BA3F7;
  margin-bottom: var(--space-3);
  flex-shrink: 0;
}

/* Graduation special card */
.flow-step--final .flow-step__number {
  background: linear-gradient(135deg, #6BA3F7 0%, #818cf8 100%);
  box-shadow:
    0 0 24px rgba(129, 140, 248, 0.35),
    0 0 48px rgba(129, 140, 248, 0.1);
}

.flow-step--final .flow-step__card::before {
  background: linear-gradient(90deg, #6BA3F7 0%, #818cf8 50%, transparent 100%);
}

/* Responsive */
@media (max-width: 768px) {
  .flow-timeline {
    padding: var(--space-6) 0 var(--space-4);
  }

  /* Hide the vertical line on mobile */
  .flow-timeline::before {
    display: none;
  }

  .flow-timeline::after {
    display: none;
  }

  /* Stack vertically: number on top, card below */
  .flow-step {
    flex-direction: column;
    align-items: center;
    gap: 0;
    margin-bottom: var(--space-6);
  }

  .flow-step__number {
    width: 40px;
    height: 40px;
    font-size: var(--text-sm);
    margin-bottom: -20px;
    z-index: 2;
    position: relative;
  }

  .flow-step__card {
    padding: var(--space-5);
    padding-top: calc(var(--space-5) + 8px);
    width: 100%;
  }

  .flow-step__title {
    font-size: var(--text-base);
  }

  .flow-step__text {
    font-size: var(--text-sm);
  }
}

/* ── Slack Mock UI ── */
.slack-mock {
  margin-top: var(--space-5);
  background: #1a1d21;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(82, 38, 83, 0.4);
  overflow: hidden;
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  box-shadow: 0 4px 24px rgba(82, 38, 83, 0.2);
}

.slack-mock__header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 16px;
  background: #3F0E40;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
}

.slack-mock__header-hash {
  color: rgba(255, 255, 255, 0.6);
  font-size: 16px;
}

.slack-mock__msg {
  display: flex;
  gap: 12px;
  padding: 12px 16px;
}

.slack-mock__avatar {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
  font-weight: 700;
}

.slack-mock__avatar--instructor {
  background: linear-gradient(135deg, #6c5ce7, #a855f7);
}

.slack-mock__avatar--student {
  background: linear-gradient(135deg, #3b82f6, #4a8af5);
}

.slack-mock__body {
  flex: 1;
  min-width: 0;
}

.slack-mock__meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.slack-mock__name {
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
}

.slack-mock__time {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.35);
}

.slack-mock__text {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.55;
  word-break: break-word;
}

.slack-mock__text strong {
  font-weight: 700;
}

.slack-mock__attachments {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.slack-mock__thumb {
  width: 180px;
  height: 100px;
  border-radius: 6px;
  overflow: hidden;
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.slack-mock__thumb-code {
  padding: 8px;
  font-family: var(--font-mono);
  font-size: 8px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.5);
  overflow: hidden;
  height: 100%;
  white-space: pre;
}

.slack-mock__thumb-log {
  padding: 8px;
  font-family: var(--font-mono);
  font-size: 7px;
  line-height: 1.6;
  color: #7ee787;
  background: #0d1117;
  overflow: hidden;
  height: 100%;
  white-space: pre;
}

.slack-mock__reactions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.slack-mock__reaction {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: rgba(29, 155, 209, 0.15);
  border: 1px solid rgba(29, 155, 209, 0.3);
  border-radius: var(--radius-full);
  font-size: 12px;
  color: #d1d2d3;
}

.slack-mock__reaction-emoji {
  font-size: 14px;
}

.slack-mock__thread {
  margin: 0 16px 12px;
  padding: 10px 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.slack-mock__thread-label {
  font-size: 12px;
  color: #1264a3;
  font-weight: 600;
  margin-bottom: 8px;
  cursor: default;
}

.slack-mock__thread .slack-mock__msg {
  padding: 6px 0;
}

.slack-mock__thread .slack-mock__avatar {
  width: 28px;
  height: 28px;
  font-size: 12px;
}

@media (max-width: 768px) {
  .slack-mock__attachments {
    flex-direction: column;
  }

  .slack-mock__thumb {
    width: 100%;
    height: 80px;
  }

  .slack-mock__msg {
    padding: 10px 12px;
  }

  .slack-mock {
    font-size: 13px;
  }
}

/* ── Browser Split Mock UI ── */
.browser-mock {
  margin-top: var(--space-5);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.browser-mock__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #2b2b2b;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.browser-mock__dots {
  display: flex;
  gap: 6px;
}

.browser-mock__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.browser-mock__dot--red { background: #ff5f57; }
.browser-mock__dot--yellow { background: #ffbd2e; }
.browser-mock__dot--green { background: #28c840; }

.browser-mock__tabs {
  display: flex;
  gap: 2px;
  flex: 1;
  margin-left: 8px;
}

.browser-mock__tab {
  padding: 4px 14px;
  background: #3a3a3a;
  border-radius: 6px 6px 0 0;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 180px;
}

.browser-mock__tab--active {
  background: #1a1a1a;
  color: rgba(255, 255, 255, 0.9);
}

.browser-mock__split {
  display: flex;
}

.browser-mock__pane {
  flex: 1;
  min-width: 0;
}

.browser-mock__pane + .browser-mock__pane {
  border-left: 2px solid #444;
}

.browser-mock__pane-label {
  text-align: center;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 0;
  color: rgba(255, 255, 255, 0.5);
  background: #1a1a1a;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.browser-mock__pane-label--pratica {
  color: var(--color-accent);
}

.browser-mock__pane-label--student {
  color: #f0b429;
}

/* AWS Console Mock */
.aws-mock {
  background: #f5f5f5;
  min-height: 160px;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

.aws-mock__nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: #232f3e;
  font-size: 9px;
  color: rgba(255, 255, 255, 0.85);
}

.aws-mock__logo {
  font-weight: 800;
  font-size: 11px;
  color: #ff9900;
  margin-right: 4px;
}

.aws-mock__nav-items {
  display: flex;
  gap: 8px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 8px;
  overflow: hidden;
}

.aws-mock__services {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  background: #1a242f;
  font-size: 7px;
  color: rgba(255, 255, 255, 0.6);
  overflow: hidden;
}

.aws-mock__service-chip {
  padding: 1px 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  white-space: nowrap;
}

.aws-mock__body {
  display: flex;
  min-height: 120px;
}

.aws-mock__sidebar {
  width: 70px;
  background: #fff;
  border-right: 1px solid #e0e0e0;
  padding: 8px 0;
  flex-shrink: 0;
}

.aws-mock__sidebar-item {
  padding: 3px 8px;
  font-size: 7px;
  color: #545b64;
  cursor: default;
}

.aws-mock__sidebar-item--active {
  color: #0073bb;
  font-weight: 600;
  background: #f0f8ff;
  border-left: 2px solid #0073bb;
}

.aws-mock__content {
  flex: 1;
  padding: 8px 10px;
  background: #fafafa;
}

.aws-mock__breadcrumb {
  font-size: 7px;
  color: #0073bb;
  margin-bottom: 6px;
}

.aws-mock__heading {
  font-size: 12px;
  font-weight: 700;
  color: #16191f;
  margin-bottom: 8px;
}

.aws-mock__panel {
  background: #fff;
  border: 1px solid #eaeded;
  border-radius: 6px;
  padding: 8px 10px;
}

.aws-mock__panel-title {
  font-size: 9px;
  font-weight: 700;
  color: #16191f;
  margin-bottom: 4px;
}

.aws-mock__row {
  display: flex;
  gap: 12px;
  margin-bottom: 3px;
}

.aws-mock__label {
  font-size: 7px;
  color: #545b64;
}

.aws-mock__value {
  font-size: 7px;
  color: #16191f;
  font-weight: 500;
}

.aws-mock__status {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 7px;
  color: #1d8102;
}

.aws-mock__status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #1d8102;
}

@media (max-width: 768px) {
  .browser-mock__split {
    flex-direction: column;
  }

  .browser-mock__pane + .browser-mock__pane {
    border-left: none;
    border-top: 2px solid #444;
  }

  .aws-mock__sidebar {
    display: none;
  }

  .aws-mock {
    min-height: 120px;
  }

  .browser-mock__tab {
    max-width: 120px;
    font-size: 8px;
  }
}

/* ── QA Ticket Mock UI ── */
.qa-mock {
  margin-top: var(--space-5);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #fff;
  color: #1a1a2e;
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 13px;
}

.qa-mock__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #6c5ce7;
  color: #fff;
  font-size: 12px;
}

.qa-mock__header-icon {
  font-size: 14px;
}

.qa-mock__header-text {
  font-weight: 600;
}

.qa-mock__status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid #eee;
  font-size: 12px;
}

.qa-mock__badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 700;
}

.qa-mock__badge--resolved {
  background: #d4edda;
  color: #155724;
}

.qa-mock__ticket-title {
  font-size: 15px;
  font-weight: 700;
  color: #1a1a2e;
}

.qa-mock__body {
  padding: 14px 16px;
  border-bottom: 1px solid #eee;
}

.qa-mock__section-title {
  font-size: 12px;
  font-weight: 700;
  color: #333;
  margin-bottom: 6px;
}

.qa-mock__code {
  background: #f4f4f8;
  border-radius: 6px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
  color: #c0392b;
  margin-bottom: 8px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.qa-mock__list {
  padding-left: 16px;
  margin: 4px 0 0;
  font-size: 11px;
  color: #555;
  line-height: 1.7;
}

.qa-mock__comments {
  padding: 0 16px 14px;
}

.qa-mock__comments-label {
  font-size: 12px;
  font-weight: 600;
  color: #6c5ce7;
  text-align: center;
  padding: 8px 0;
  border-bottom: 1px solid #eee;
  margin-bottom: 12px;
}

.qa-mock__comment {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.qa-mock__comment:last-child {
  margin-bottom: 0;
}

.qa-mock__avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}

.qa-mock__avatar--teacher {
  background: linear-gradient(135deg, #6c5ce7, #a29bfe);
}

.qa-mock__avatar--student {
  background: linear-gradient(135deg, #fdcb6e, #e17055);
}

.qa-mock__comment-body {
  flex: 1;
  min-width: 0;
}

.qa-mock__comment-meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.qa-mock__comment-name {
  font-weight: 700;
  font-size: 12px;
  color: #333;
}

.qa-mock__comment-time {
  font-size: 10px;
  color: #999;
}

.qa-mock__comment-text {
  font-size: 12px;
  color: #444;
  line-height: 1.6;
}

.qa-mock__comment-code {
  background: #f4f4f8;
  border-radius: 6px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1.5;
  color: #2d3436;
  margin-top: 6px;
  overflow: hidden;
  white-space: pre-wrap;
  word-break: break-all;
}

.qa-mock__highlight {
  background: rgba(231, 76, 60, 0.08);
  border: 1px solid rgba(231, 76, 60, 0.25);
  border-radius: 4px;
  padding: 6px 8px;
  margin-top: 6px;
  font-size: 10px;
  color: #c0392b;
  line-height: 1.5;
}

.qa-mock__footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: #f9f9fb;
  border-top: 1px solid #eee;
  font-size: 11px;
}

.qa-mock__footer-tab {
  padding: 4px 12px;
  color: #6c5ce7;
  font-weight: 600;
  border-bottom: 2px solid #6c5ce7;
}

.qa-mock__footer-tab--inactive {
  color: #999;
  font-weight: 400;
  border-bottom: 2px solid transparent;
}

@media (max-width: 768px) {
  .qa-mock {
    font-size: 12px;
  }

  .qa-mock__body {
    padding: 10px 12px;
  }

  .qa-mock__comments {
    padding: 0 12px 10px;
  }
}

/* ── Course Detail Mock UI ── */
.course-detail-mock {
  padding: 12px;
  background: #fff;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  color: #1a1a2e;
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 13px;
  max-height: 420px;
  overflow-y: auto;
  position: relative;
}

.course-detail-mock::after {
  content: '';
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  display: block;
  height: 40px;
  background: linear-gradient(transparent, #fff);
  pointer-events: none;
}

.cdm__breadcrumb {
  font-size: 11px;
  color: #888;
  margin-bottom: 8px;
}

.cdm__title-row {
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid #eee;
}

.cdm__title {
  font-size: 15px;
  font-weight: 700;
  color: #1a1a2e;
  margin: 0 0 8px;
  line-height: 1.4;
}

.cdm__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.cdm__badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 500;
}

.cdm__badge--info {
  background: #f0e6ff;
  color: #6c5ce7;
}

.cdm__badge--time {
  background: #e8f5e9;
  color: #2e7d32;
}

.cdm__content {
  line-height: 1.7;
}

.cdm__h2 {
  font-size: 14px;
  font-weight: 700;
  color: #1a1a2e;
  margin: 16px 0 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid #eee;
}

.cdm__paragraph {
  font-size: 12px;
  color: #444;
  margin: 4px 0 8px;
}

.cdm__list {
  padding-left: 18px;
  margin: 4px 0 10px;
  font-size: 12px;
  color: #444;
  line-height: 1.8;
}

.cdm__list strong {
  color: #1a1a2e;
}

.cdm__img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px;
  background: #f8f9fa;
  border: 1px dashed #ddd;
  border-radius: 6px;
  color: #aaa;
  font-size: 11px;
  margin: 8px 0;
}

.cdm__video-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  background: #1a1a2e;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.6);
  margin: 8px 0;
}

.cdm__code {
  margin: 8px 0;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid #e0e0e0;
}

.cdm__code-header {
  background: #f0f0f0;
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 600;
  color: #666;
  border-bottom: 1px solid #e0e0e0;
}

.cdm__code-body {
  background: #f8f9fa;
  padding: 10px 12px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 10px;
  line-height: 1.5;
  color: #2d3436;
  margin: 0;
  overflow-x: auto;
  white-space: pre;
}

/* ── Course List Mock UI ── */
.course-list-mock {
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.clm__item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-fast);
}

.clm__item--cleared {
  border-color: #6c5ce7;
  background: linear-gradient(135deg, #faf8ff, #f3eeff);
  box-shadow: 0 2px 8px rgba(108, 92, 231, 0.1);
}

.clm__icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #f0ecff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.clm__item--cleared .clm__icon {
  background: #e8deff;
}

.clm__info {
  flex: 1;
  min-width: 0;
}

.clm__name {
  font-size: 13px;
  font-weight: 700;
  color: #1a1a2e;
  line-height: 1.3;
}

.clm__sub {
  font-size: 10px;
  color: #999;
  margin-top: 1px;
}

.clm__crown {
  font-size: 18px;
  animation: crown-bounce 2s ease-in-out infinite;
}

@keyframes crown-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.clm__clear-text {
  font-size: 11px;
  font-weight: 800;
  color: #6c5ce7;
  letter-spacing: 0.5px;
}

.clm__arrow {
  font-size: 18px;
  color: #ccc;
  flex-shrink: 0;
}

.clm__item--cleared .clm__arrow {
  color: #6c5ce7;
}

@media (max-width: 768px) {
  .clm__item {
    padding: 10px 12px;
    gap: 10px;
  }

  .clm__icon {
    width: 30px;
    height: 30px;
    font-size: 14px;
  }

  .clm__name {
    font-size: 12px;
  }
}

/* ── Daily Report Mock UI ── */
.report-mock {
  margin-top: var(--space-5);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  color: #1a1a2e;
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 13px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px;
}

.report-mock__date {
  font-size: 20px;
  font-weight: 800;
  color: #1a1a2e;
  text-align: center;
  margin-bottom: 12px;
}

.report-mock__meta {
  margin-bottom: 16px;
}

.report-mock__badge {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  color: #333;
}

.report-mock__section {
  margin-bottom: 14px;
}

.report-mock__section:last-child {
  margin-bottom: 0;
}

.report-mock__heading {
  font-size: 16px;
  font-weight: 800;
  color: #1a1a2e;
  margin: 0 0 8px;
  padding-bottom: 4px;
}

.report-mock__list {
  padding-left: 20px;
  margin: 0;
  font-size: 12px;
  color: #444;
  line-height: 1.8;
}

.report-mock__list--detailed li {
  margin-bottom: 6px;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .report-mock {
    padding: 14px;
    max-height: 320px;
  }

  .report-mock__date {
    font-size: 17px;
  }

  .report-mock__heading {
    font-size: 14px;
  }

  .report-mock__list {
    font-size: 11px;
  }
}

/* ── Debug Handoff Mock UI ── */
.debug-mock {
  margin-top: var(--space-5);
  background: #1a1d21;
  border-radius: var(--radius-lg);
  padding: 16px;
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 13px;
}

.debug-mock__msg {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.debug-mock__msg:last-child {
  margin-bottom: 0;
}

.debug-mock__avatar {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  color: #fff;
}

.debug-mock__avatar--teacher {
  background: linear-gradient(135deg, #6c5ce7, #a855f7);
}

.debug-mock__avatar--student {
  background: linear-gradient(135deg, #3b82f6, #4a8af5);
}

.debug-mock__content {
  flex: 1;
  min-width: 0;
}

.debug-mock__meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.debug-mock__name {
  font-weight: 800;
  color: #e0e0e0;
  font-size: 13px;
}

.debug-mock__time {
  font-size: 10px;
  color: #616061;
}

.debug-mock__text {
  color: #d1d2d3;
  font-size: 12px;
  line-height: 1.7;
}

.debug-mock__list {
  padding-left: 18px;
  margin: 6px 0;
  color: #d1d2d3;
  font-size: 12px;
  line-height: 1.6;
}

.debug-mock__list li {
  margin-bottom: 4px;
}

.debug-mock__loom {
  margin-top: 10px;
  border: 1px solid #383838;
  border-radius: 8px;
  overflow: hidden;
  background: #222529;
}

.debug-mock__loom-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  font-size: 11px;
  color: #aaa;
}

.debug-mock__loom-icon {
  font-size: 14px;
}

.debug-mock__loom-label {
  font-weight: 700;
  color: #d1d2d3;
}

.debug-mock__loom-duration {
  font-size: 10px;
  color: #888;
}

.debug-mock__loom-title {
  padding: 0 10px 8px;
  font-size: 12px;
  color: #36c5f0;
}

.debug-mock__loom-preview {
  position: relative;
}

.debug-mock__loom-screen {
  background: #0d1117;
  padding: 8px 10px;
  font-size: 10px;
  color: #ccc;
}

.debug-mock__loom-bar {
  background: #161b22;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 9px;
  color: #8b949e;
  margin-bottom: 6px;
  font-family: var(--font-mono);
}

.debug-mock__loom-play {
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 6px 14px;
  font-size: 11px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 4px;
  margin: 8px 10px;
}

@media (max-width: 768px) {
  .debug-mock {
    padding: 12px;
  }

  .debug-mock__text {
    font-size: 11px;
  }
}