/* ============================================================
   ARC 公式サイト - Design System
   Inspired by Tokyo 23 FC Top Team Page
   ============================================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800;900&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colors — Primary Palette */
  --c-red: #D7151D;
  --c-red-dark: #A11018;
  --c-red-glow: rgba(215, 21, 29, 0.25);
  --c-red-subtle: rgba(215, 21, 29, 0.08);

  /* Dark surfaces */
  --c-dark: #1F2024;
  --c-dark-deep: #141518;
  --c-dark-card: #1A1B1F;
  --c-dark-hover: #2A2B30;
  --c-dark-border: rgba(255, 255, 255, 0.06);

  /* Light surfaces */
  --c-bg: #ECEEF1;
  --c-bg-alt: #E3E5E9;
  --c-bg-card: #ffffff;

  /* Text */
  --c-text: #1a1a1a;
  --c-text-secondary: #555555;
  --c-text-muted: #999999;
  --c-white: #ffffff;
  --c-white-70: rgba(255, 255, 255, 0.7);
  --c-white-50: rgba(255, 255, 255, 0.5);
  --c-white-30: rgba(255, 255, 255, 0.3);
  --c-white-10: rgba(255, 255, 255, 0.1);
  --c-white-06: rgba(255, 255, 255, 0.06);

  /* Typography */
  --ff-heading: 'Montserrat', 'Zen Kaku Gothic New', sans-serif;
  --ff-body: 'Zen Kaku Gothic New', 'Noto Sans JP', sans-serif;
  --ff-accent: 'Montserrat', sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6.5px;
  --radius-lg: 12px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 200ms var(--ease-out);
  --transition-base: 350ms var(--ease-out);
  --transition-slow: 500ms var(--ease-out);

  /* Z-Index */
  --z-header: 1000;
  --z-mobile-nav: 999;
  --z-overlay: 500;
  --z-card: 10;
  --z-pagetop: 900;

  /* Container */
  --container-max: 1200px;
  --container-padding: 2rem;
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--ff-body);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
}

/* --- SPA Content Shell --- */
.app-content {
  min-height: 60vh;
  opacity: 1;
  transition: opacity 0.2s var(--ease-out);
}

.app-content.page-exit {
  opacity: 0;
}

.app-content.page-enter {
  opacity: 0;
}

/* Utility: visibility */
.sp-only {
  display: none;
}

.pc-only {
  display: inline;
}

@media (max-width: 600px) {
  .sp-only {
    display: inline;
  }

  .pc-only {
    display: none;
  }
}

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

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

/* --- Section base --- */
.section {
  padding: var(--space-4xl) 0;
}

/* ============================================================
   MONTHLY EVENTS
   ============================================================ */
.section-events {
  padding: clamp(56px, 7vw, 96px) 0;
  color: var(--c-white);
  background: var(--c-dark-deep);
  border-top: 1px solid var(--c-dark-border);
}

.events-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-xl);
  margin-bottom: clamp(28px, 4vw, 48px);
}

.events-heading .section-header {
  margin-bottom: 0;
}

.events-heading .section-title-en,
.events-heading .section-title-ja {
  color: var(--c-white);
}

.events-month {
  margin: 0;
  color: rgba(255, 255, 255, 0.42);
  font-family: var(--ff-accent);
  font-size: clamp(1.4rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.events-list {
  border-top: 1px solid rgba(255, 255, 255, 0.22);
}

.events-list[hidden],
.events-featured[hidden] {
  display: none;
}

/* ---- Featured (nearest) event ---- */
.event-featured {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-bottom: clamp(28px, 4vw, 52px);
  color: var(--c-white);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-top: 2px solid var(--c-red);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.015));
  transition: border-color var(--transition-base), background var(--transition-base);
}

.event-featured.has-image {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
}

a.event-featured:hover {
  border-color: rgba(215, 21, 29, 0.55);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.085), rgba(255, 255, 255, 0.03));
}

.event-featured-media {
  position: relative;
  overflow: hidden;
  align-self: center;
  min-height: 0;
  aspect-ratio: 16 / 9;
  background: rgba(255, 255, 255, 0.05);
}

.event-featured-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

a.event-featured:hover .event-featured-media img {
  transform: scale(1.04);
}

.event-featured-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(26px, 3.5vw, 48px);
}

.event-featured-label {
  margin: 0;
  color: var(--c-red);
  font-family: var(--ff-accent);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.22em;
}

.event-featured-date {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-family: var(--ff-accent);
}

.event-featured-date span {
  font-size: clamp(2.6rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1;
}

.event-featured-date small {
  color: var(--c-red);
  font-size: 1rem;
  font-weight: 800;
}

.event-featured-title {
  margin: 0;
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  font-weight: 700;
  line-height: 1.35;
}

.event-featured-venue {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.93rem;
}

.event-featured-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: auto;
  padding-top: 10px;
}

.event-featured-cta {
  color: var(--c-red);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: transform var(--transition-fast);
}

a.event-featured:hover .event-featured-cta {
  transform: translateX(4px);
}

.events-later {
  margin-top: clamp(36px, 5vw, 64px);
}

.events-later[hidden] {
  display: none;
}

.events-later-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.events-later-heading h3 {
  margin: 0;
}

.events-later-heading h3 {
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.event-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto 28px;
  align-items: center;
  gap: clamp(16px, 3vw, 36px);
  min-height: 112px;
  color: var(--c-white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  transition: background var(--transition-base), padding var(--transition-base);
}

.event-row.has-image {
  grid-template-columns: 76px 140px minmax(0, 1fr) auto 28px;
}

.event-row-compact {
  grid-template-columns: 60px minmax(0, 1fr) auto 24px;
  min-height: 78px;
  color: rgba(255, 255, 255, 0.78);
}

.event-row-compact .event-date span {
  font-size: 1.45rem;
}

.event-row-compact .event-title {
  font-size: 0.97rem;
}

.event-row-compact .event-venue {
  margin-top: 4px;
  font-size: 0.88rem;
}

.event-image-container {
  position: relative;
  width: 140px;
  aspect-ratio: 16 / 9;
  border-radius: 4px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.event-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

a.event-row:hover .event-image {
  transform: scale(1.05);
}

a.event-row:hover {
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.045);
}

.event-date {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--ff-accent);
}

.event-date span {
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1;
}

.event-date small {
  color: var(--c-red);
  font-size: 0.85rem;
  font-weight: 800;
}

.event-title {
  margin: 0;
  font-size: clamp(1rem, 1.7vw, 1.25rem);
  font-weight: 700;
}

.event-venue {
  margin: 7px 0 0;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.93rem;
}

.event-badge {
  padding: 7px 12px;
  color: var(--c-white);
  font-size: 0.83rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid rgba(255, 255, 255, 0.32);
}

.event-arrow {
  color: var(--c-red);
  font-family: var(--ff-accent);
  font-size: 1.25rem;
  transition: transform var(--transition-fast);
}

a.event-row:hover .event-arrow {
  transform: translateX(4px);
}

.events-status {
  margin: 0;
  padding: 38px 0;
  color: rgba(255, 255, 255, 0.56);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.events-status-error {
  color: #f1b7b9;
}

@media (max-width: 600px) {
  .events-heading {
    align-items: flex-start;
  }

  .event-featured.has-image {
    grid-template-columns: minmax(0, 1fr);
  }

  .event-featured-media {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .event-featured-body {
    gap: 12px;
    padding: 22px 20px 26px;
  }

  .event-featured-date span {
    font-size: 2.3rem;
  }

  .events-month {
    padding-top: 6px;
    font-size: 1rem;
  }

  .event-row {
    grid-template-columns: 54px minmax(0, 1fr) 18px;
    gap: 14px;
    min-height: 100px;
  }

  .events-later-heading {
    display: block;
  }

  .event-row-compact {
    grid-template-columns: 48px minmax(0, 1fr) 18px;
    min-height: 76px;
  }

  .event-row-compact .event-date span {
    font-size: 1.35rem;
  }

  .event-row.has-image {
    grid-template-columns: 54px 90px minmax(0, 1fr) 18px;
    gap: 12px;
  }

  .event-row.has-image .event-image-container {
    grid-column: 2;
    grid-row: 1 / span 2;
    width: 90px;
    align-self: center;
  }

  .event-row.has-image .event-body {
    grid-column: 3;
    grid-row: 1;
  }

  .event-row.has-image .event-badge {
    grid-column: 3;
    grid-row: 2;
    justify-self: start;
    margin-top: 4px;
  }

  .event-row.has-image .event-arrow {
    grid-column: 4;
    grid-row: 1 / span 2;
  }

  .event-date {
    display: block;
  }

  .event-date span {
    display: block;
    font-size: 1.4rem;
  }

  .event-date small {
    display: block;
    margin-top: 5px;
  }

  .event-badge {
    grid-column: 2;
    justify-self: start;
    margin-top: -12px;
    padding: 4px 8px;
  }

  .event-arrow {
    grid-column: 3;
    grid-row: 1 / span 2;
  }
}

/* ============================================================
   HEADER
   ============================================================ */

/* Utility bar (top red) */
.utility-bar {
  background: var(--c-red);
  padding: 6px 0;
}

.utility-bar-inner {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-lg);
}

.utility-bar a {
  font-family: var(--ff-accent);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--c-white);
  letter-spacing: 0.06em;
  transition: opacity var(--transition-fast);
}

.utility-bar a:hover {
  opacity: 0.8;
}

/* Main header */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background: var(--c-dark);
  border-bottom: 1px solid var(--c-dark-border);
  transition: box-shadow var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.85;
}

.logo-icon {
  width: 64px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}

/* Navigation */
.header-nav {
  display: flex;
  gap: var(--space-xl);
}

.header-nav a {
  font-family: var(--ff-accent);
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--c-white-70);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
  position: relative;
  padding: 4px 0;
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--c-red);
  transition: width var(--transition-base);
}

.header-nav a:hover,
.header-nav a.is-active {
  color: var(--c-white);
}

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

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: calc(var(--z-mobile-nav) + 1);
}

.mobile-menu-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-menu-btn.is-active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.is-active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.is-active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 21, 24, 0.97);
  z-index: var(--z-mobile-nav);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-nav-overlay.is-active {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2xl);
}

.mobile-nav a {
  font-family: var(--ff-accent);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.mobile-nav a:hover {
  color: var(--c-red);
}

/* ============================================================
   HERO BANNER
   ============================================================ */
.hero {
  position: relative;
  margin-top: 0;
  padding: clamp(6rem, 14vw, 12rem) 0 clamp(4rem, 8vw, 7rem);
  /* Fallback gradient if video is not available */
  background:
    linear-gradient(135deg,
      var(--c-dark-deep) 0%,
      #2a0810 30%,
      var(--c-red-dark) 60%,
      var(--c-red) 100%);
  overflow: hidden;
}

/* Event photo slideshow background (blurred so faces are unidentifiable) */
.hero-slideshow-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /* Blur keeps the crowd's energy while making individuals unidentifiable.
     Do not reduce below ~6px: front-row faces become recognizable. */
  filter: blur(6px) brightness(0.95);
  /* Scale hides the transparent fringe the blur creates at the edges */
  transform: scale(1.12);
  opacity: 0;
  transition: opacity 1.8s ease;
}

.hero-slide.is-active {
  opacity: 1;
}

/* Legacy "members collage" slide, folded back into the slideshow rotation */
.hero-slide-collage {
  display: grid;
  grid-template-columns: repeat(var(--cols, 4), 1fr);
  grid-template-rows: repeat(var(--rows, 3), 1fr);
  gap: 2px;
}

.hero-collage-item {
  overflow: hidden;
}

.hero-collage-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

@media (max-width: 768px) {
  .hero-slide-collage {
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(var(--rows-m, 4), 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-slide {
    transition: none;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 100svh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(6rem, 22svh, 12rem) 0 clamp(3rem, 6vw, 5rem);
  }

  /* Defensive: as a flex item, .hero-content refuses to shrink below its
     content's intrinsic width (min-width:auto), pushing the page into
     horizontal overflow. Pin it to the viewport width instead. */
  .hero-content {
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }
}

/* Dark + red overlay on top of video for readability */
.hero-video-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg,
      rgba(20, 21, 24, 0.62) 0%,
      rgba(42, 8, 16, 0.48) 40%,
      rgba(161, 16, 24, 0.34) 100%);
  pointer-events: none;
}

/* Diagonal stripe texture */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(-45deg,
      transparent,
      transparent 60px,
      rgba(255, 255, 255, 0.015) 60px,
      rgba(255, 255, 255, 0.015) 61px);
  pointer-events: none;
  z-index: 1;
}

/* Radial glow */
.hero::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 70%;
  height: 160%;
  background: radial-gradient(ellipse at center,
      rgba(215, 21, 29, 0.2) 0%,
      transparent 60%);
  pointer-events: none;
  z-index: 1;
}

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

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-xl);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
  font-family: var(--ff-accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-white-70);
  margin-bottom: var(--space-md);
}

.hero-title {
  margin-bottom: var(--space-md);
  display: flex;
  justify-content: center;
}

.hero-main-title {
  font-family: var(--ff-accent);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--c-white);
  letter-spacing: 0.15em;
  margin-bottom: var(--space-2xl);
  opacity: 0.9;
}

.hero-title-img {
  max-width: 800px;
  width: 90%;
  height: auto;
  filter: drop-shadow(0 2px 20px rgba(0, 0, 0, 0.5));
  /* Smoothing for jagged edges */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
}

/* Statement Section (Below Hero) */
.section-statement {
  background-color: var(--c-dark-deep);
  padding: var(--space-xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.section-statement::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-red), transparent);
  opacity: 0.5;
}

.statement-content {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center; /* Force horizontal centering */
}

.statement-title {
  margin-bottom: var(--space-md);
  display: flex;
  justify-content: center;
  width: 100%;
}

.statement-title-img {
  max-width: 650px;
  width: 85%;
  height: auto;
  /* Smoothing for jagged edges */
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  transform: translateZ(0);
}

.statement-tagline {
  font-family: var(--ff-body);
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 500;
  color: var(--c-white);
  letter-spacing: 0.15em; /* Subtle spacing */
  line-height: 1.6;
  opacity: 0.7;
  text-align: center;
  margin: 0;
  padding: 0;
}

@media (max-width: 768px) {
  .hero-title-img {
    width: 95%;
  }
  .statement-tagline {
    letter-spacing: 0.1em;
  }
}

.hero-tagline {
  font-family: var(--ff-body);
  font-size: clamp(0.9rem, 2.5vw, 1.25rem);
  font-weight: 500;
  color: var(--c-white-70);
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.hero-subtitle {
  font-family: var(--ff-accent);
  font-size: clamp(0.7rem, 1.5vw, 0.9rem);
  font-weight: 500;
  color: var(--c-white-30);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--space-2xl);
}

/* CTA Button */
.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 36px;
  background: var(--c-white);
  color: var(--c-dark);
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  letter-spacing: 0.06em;
  transition: all var(--transition-base);
}

.hero-cta:hover {
  background: var(--c-red);
  color: var(--c-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(215, 21, 29, 0.4);
}

.hero-cta-arrow {
  transition: transform var(--transition-fast);
}

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

/* ============================================================
   SECTION HEADER (Shared)
   ============================================================ */
.section-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-lg);
  padding: var(--space-xl) 0;
  border-left: 5px solid var(--c-red);
  padding-left: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.section-title-en {
  font-family: var(--ff-accent);
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--c-text);
  line-height: 1;
}

.section-title-ja {
  font-family: var(--ff-body);
  font-size: 0.93rem;
  font-weight: 500;
  color: #767676;
  letter-spacing: 0.1em;
}

/* Dark section variant */
.section-dark .section-title-en {
  color: var(--c-white);
}

.section-dark .section-title-ja {
  color: var(--c-white-50);
}

/* ============================================================
   CONCEPT SECTION
   ============================================================ */
.section-concept {
  background: var(--c-bg);
}

.concept-lead {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.concept-lead-text {
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 500;
  line-height: 2;
  color: var(--c-text);
  letter-spacing: 0.04em;
}

.concept-lead-text strong {
  color: var(--c-red);
  font-weight: 700;
}

.concept-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.concept-feature {
  background: var(--c-bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
}

.concept-feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.concept-feature-icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.concept-feature-title {
  font-family: var(--ff-body);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.04em;
}

.concept-feature-text {
  font-size: 0.95rem;
  color: var(--c-text-secondary);
  line-height: 1.7;
}

/* ============================================================
   VALUE SECTION — Dark background
   ============================================================ */
.section-value {
  background: var(--c-dark);
  color: var(--c-white);
}

.section-value .section-title-en {
  color: var(--c-white);
}

.section-value .section-title-ja {
  color: var(--c-white-50);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.value-card {
  position: relative;
  background: var(--c-dark-card);
  border: 1px solid var(--c-dark-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl) var(--space-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.value-card:hover {
  border-color: rgba(215, 21, 29, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--c-red-glow);
}

.value-card-number {
  font-family: var(--ff-accent);
  font-size: 4rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.04);
  position: absolute;
  top: -8px;
  right: var(--space-lg);
  line-height: 1;
  pointer-events: none;
  /* Decorative only — aria-hidden applied in markup */
}

.value-card-title {
  font-family: var(--ff-body);
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--c-white);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.06em;
}

.value-card-sub {
  font-family: var(--ff-accent);
  font-size: 0.81rem;
  font-weight: 600;
  color: #E84049;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-lg);
}

.value-card-text {
  font-size: 0.93rem;
  color: var(--c-white-70);
  line-height: 1.8;
}

/* ============================================================
   CURRICULUM SECTION
   ============================================================ */
.section-curriculum {
  background: var(--c-bg);
}

.curriculum-lead {
  font-size: 1.05rem;
  color: var(--c-text-secondary);
  margin-bottom: var(--space-2xl);
  letter-spacing: 0.04em;
}

.curriculum-lead strong {
  color: var(--c-red);
  font-weight: 700;
}

.curriculum-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.curriculum-card {
  background: var(--c-bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.curriculum-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  border-color: var(--c-red-alpha);
}

.curriculum-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.curriculum-card-arrow {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-accent);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-red);
  opacity: 0.45;
  transform: translateX(-4px);
  transition: all var(--transition-base);
}

.curriculum-card-arrow::before {
  content: "VIEW DETAIL";
}

.curriculum-card:hover .curriculum-card-arrow {
  opacity: 1;
  transform: translateX(0);
}

.curriculum-card-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-family: var(--ff-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.badge-open {
  background: rgba(215, 21, 29, 0.1);
  color: var(--c-red);
  border: 1px solid rgba(215, 21, 29, 0.25);
}

.badge-lg {
  font-size: 0.85rem;
  padding: 5px 14px;
}

.curriculum-card-num {
  font-family: var(--ff-accent);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(215, 21, 29, 0.08);
  position: absolute;
  top: var(--space-sm);
  right: var(--space-md);
  line-height: 1;
  pointer-events: none;
}

.curriculum-card-title {
  font-family: var(--ff-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.02em;
}

.curriculum-card-text {
  font-size: 0.91rem;
  color: var(--c-text-secondary);
  line-height: 1.7;
}

/* ============================================================
   CURRICULUM ACCORDION (Curriculum List Page)
   ============================================================ */
.curriculum-accordion {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: 860px;
  margin: 0 auto;
}

.curriculum-acc-item {
  background: var(--c-bg-card);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.curriculum-acc-item.is-open {
  border-color: var(--c-red-alpha, rgba(215, 21, 29, 0.3));
}

.curriculum-acc-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  width: 100%;
  padding: var(--space-lg);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
}

.curriculum-acc-media {
  position: relative;
  flex: 0 0 84px;
  width: 84px;
  height: 84px;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.curriculum-acc-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.curriculum-acc-num {
  position: absolute;
  bottom: 4px;
  right: 6px;
  font-family: var(--ff-accent);
  font-size: 0.75rem;
  font-weight: 900;
  color: var(--c-white);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

.curriculum-acc-heading {
  flex: 1;
  min-width: 0;
}

.curriculum-acc-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.curriculum-acc-title {
  font-family: var(--ff-body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-text);
  letter-spacing: 0.02em;
}

.curriculum-acc-subtitle {
  font-size: 0.82rem;
  color: var(--c-text-muted);
  letter-spacing: 0.02em;
}

.curriculum-acc-desc {
  font-size: 0.88rem;
  color: var(--c-text-secondary);
  line-height: 1.6;
}

.curriculum-acc-toggle {
  flex-shrink: 0;
  position: relative;
  width: 22px;
  height: 22px;
}

.curriculum-acc-toggle::before,
.curriculum-acc-toggle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--c-red);
  transform: translate(-50%, -50%);
  transition: transform var(--transition-base);
}

.curriculum-acc-toggle::before {
  width: 14px;
  height: 2px;
}

.curriculum-acc-toggle::after {
  width: 2px;
  height: 14px;
}

.curriculum-acc-item.is-open .curriculum-acc-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg) scale(0);
}

.curriculum-acc-panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-base);
}

.curriculum-acc-item.is-open .curriculum-acc-panel {
  grid-template-rows: 1fr;
}

.curriculum-acc-panel-inner {
  overflow: hidden;
  padding: 0 var(--space-lg);
  min-height: 0;
}

.curriculum-acc-item.is-open .curriculum-acc-panel-inner {
  padding: 0 var(--space-lg) var(--space-lg) calc(84px + var(--space-lg) * 2);
}

.curriculum-acc-fulltext {
  font-size: 0.95rem;
  color: var(--c-text-secondary);
  line-height: 1.9;
}

.curriculum-acc-instructor {
  display: inline-block;
  margin-top: var(--space-md);
  font-family: var(--ff-accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-red);
  text-decoration: none;
}

.curriculum-acc-instructor:hover {
  text-decoration: underline;
}

.curriculum-acc-note {
  margin-top: var(--space-sm);
  font-size: 0.82rem;
  color: var(--c-text-muted);
}

/* ============================================================
   INSTRUCTORS SECTION — Dark
   ============================================================ */
.section-instructors {
  background: var(--c-dark);
  color: var(--c-white);
}

.section-instructors .section-title-en {
  color: var(--c-white);
}

.section-instructors .section-title-ja {
  color: var(--c-white-50);
}

.instructor-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* Instructor card photo */
.instructor-card-photo {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-lg);
  background: var(--c-dark-border);
}

.instructor-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 0.4s ease;
}

.instructor-card:hover .instructor-card-photo img {
  transform: scale(1.04);
}

.instructor-card-photo-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2a2d33 0%, #1f2227 100%);
}

.instructor-card-initial {
  font-family: var(--ff-accent);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--c-white-30);
  letter-spacing: 0.05em;
}

.instructor-card {
  background: var(--c-dark-card);
  border: 1px solid var(--c-dark-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl) var(--space-lg) var(--space-2xl);
  transition: all var(--transition-base);
  position: relative;
  cursor: pointer;
}

.instructor-card:hover {
  border-color: var(--c-red-alpha);
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.instructor-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.instructor-card-arrow {
  position: absolute;
  bottom: var(--space-md);
  right: var(--space-md);
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-accent);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-red);
  opacity: 0.45;
  transform: translateX(-4px);
  transition: all var(--transition-base);
}

.instructor-card-arrow::before {
  content: "VIEW PROFILE";
}

.instructor-card:hover .instructor-card-arrow {
  opacity: 1;
  transform: translateX(0);
}

.instructor-card-badge {
  display: inline-block;
  padding: 3px 12px;
  background: var(--c-red);
  color: var(--c-white);
  font-family: var(--ff-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 100px;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
}

.instructor-card-name {
  font-family: var(--ff-body);
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--c-white);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.04em;
}

.instructor-card-text {
  font-size: 0.93rem;
  color: var(--c-white-70);
  line-height: 1.7;
}

/* ============================================================
   MEMBERS SECTION
   ============================================================ */
.section-members {
  background: var(--c-bg);
}

/* Category navigation (inside members) */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-3xl);
}

.category-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: var(--space-xl) var(--space-lg);
  background: var(--c-dark);
  border: 1px solid var(--c-dark-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.category-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center bottom,
      var(--c-red-glow) 0%,
      transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.category-btn:hover::before {
  opacity: 1;
}

.category-btn:hover {
  background: var(--c-dark-hover);
  border-color: rgba(215, 21, 29, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4), 0 0 24px var(--c-red-glow);
}

.category-btn-label {
  font-family: var(--ff-accent);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--c-white);
  position: relative;
  z-index: 1;
}

.category-btn-sub {
  font-family: var(--ff-accent);
  font-size: 0.81rem;
  color: var(--c-white-30);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}

.category-btn-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: var(--c-red);
  font-size: 0.83rem;
  margin-top: 4px;
  transition: transform var(--transition-fast);
  position: relative;
  z-index: 1;
}

.category-btn:hover .category-btn-arrow {
  transform: translateY(3px);
}

/* Member subsection header */
.member-subsection {
  margin-bottom: var(--space-3xl);
}

.member-subsection-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  border-left: 4px solid var(--c-red);
  padding-left: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.member-subsection-en {
  font-family: var(--ff-accent);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--c-text);
}

.member-subsection-ja {
  font-size: 0.9rem;
  color: var(--c-text-muted);
  letter-spacing: 0.08em;
}

/* Member card grid */
.member-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  align-items: start;
}

.member-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  z-index: var(--z-card);
  background: var(--c-dark-card);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transition: all var(--transition-base);
}

.member-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px var(--c-red-glow);
}

.member-card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: linear-gradient(160deg, var(--c-red-dark) 0%, var(--c-dark-deep) 60%, var(--c-dark) 100%);
}

.member-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform var(--transition-slow);
}

.member-card:hover .member-card-image img {
  transform: scale(1.05);
}

.member-card-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.5) 40%, transparent 100%);
  pointer-events: none;
  z-index: 1;
}

.member-card-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(215, 21, 29, 0.08) 0%, rgba(215, 21, 29, 0.03) 50%, transparent 100%);
  pointer-events: none;
  z-index: 1;
}

.member-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl) var(--space-xl) var(--space-lg);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.member-card-role {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ff-accent);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-red);
}

.member-card-role::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--c-red);
  border-radius: 50%;
  flex-shrink: 0;
}

.member-card-name {
  font-family: var(--ff-body);
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1.2;
  color: var(--c-white);
  letter-spacing: 0.06em;
}

.member-card-affiliation {
  font-family: var(--ff-accent);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--c-white-50);
  letter-spacing: 0.08em;
}

.member-card-number {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-xl);
  font-family: var(--ff-accent);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 900;
  color: rgba(255, 255, 255, 0.06);
  line-height: 1;
  z-index: 1;
  pointer-events: none;
  letter-spacing: -0.02em;
}

/* Expand indicator */
.member-card-expand {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 34px;
  height: 34px;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--c-white-10);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-white-70);
  font-size: 0.87rem;
  z-index: 3;
  transition: all var(--transition-base);
  opacity: 0;
}

.member-card:hover .member-card-expand {
  opacity: 1;
}

.member-card.is-expanded .member-card-expand {
  opacity: 1;
  transform: rotate(180deg);
  background: var(--c-red);
  border-color: var(--c-red);
  color: var(--c-white);
}

/* Member detail (expandable) */
.member-detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  background: var(--c-dark);
}

.member-card.is-expanded .member-detail {
  max-height: 600px;
}

.member-detail-inner {
  padding: var(--space-xl);
  border-top: 1px solid var(--c-dark-border);
}

.detail-section {
  margin-bottom: var(--space-lg);
}

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

.detail-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--ff-accent);
  font-size: 0.81rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-red);
  margin-bottom: var(--space-sm);
}

.detail-label::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 2px;
  background: var(--c-red);
  flex-shrink: 0;
}

.detail-text {
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--c-white-70);
  white-space: pre-wrap;
}

/* ============================================================
   GUIDANCE SECTION (入会案内)
   ============================================================ */
.section-guidance {
  background: var(--c-dark);
  color: var(--c-white);
}

.section-guidance .section-title-en {
  color: var(--c-white);
}

.section-guidance .section-title-ja {
  color: var(--c-white-50);
}

.guidance-condition {
  margin-bottom: var(--space-3xl);
  text-align: center;
}

.guidance-condition-title {
  font-family: var(--ff-accent);
  font-size: 0.87rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--c-red);
  margin-bottom: var(--space-md);
}

.guidance-condition-text {
  font-size: 1rem;
  color: var(--c-white-70);
  line-height: 1.8;
}

.guidance-pricing {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  max-width: 700px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--c-dark-card);
  border: 1px solid var(--c-dark-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl) var(--space-xl);
  text-align: center;
  position: relative;
  transition: all var(--transition-base);
}

.pricing-card:hover {
  border-color: rgba(215, 21, 29, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

.pricing-card-highlight {
  border-color: rgba(215, 21, 29, 0.4);
}

.pricing-card-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--c-red);
  color: var(--c-white);
  font-family: var(--ff-accent);
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing-card-title {
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--c-white-70);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.06em;
}

.pricing-card-price {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-md);
}

.pricing-original {
  font-family: var(--ff-accent);
  font-size: 0.95rem;
  color: var(--c-white-30);
  text-decoration: line-through;
}

.pricing-current {
  font-family: var(--ff-accent);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--c-white);
  line-height: 1;
}

.pricing-yen {
  font-size: 1rem;
  font-weight: 600;
}

.pricing-card-note {
  font-size: 0.85rem;
  color: var(--c-white-30);
  letter-spacing: 0.04em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  padding: var(--space-4xl) 0 var(--space-xl);
  border-top: 3px solid var(--c-red);
  background: var(--c-dark-deep);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-logo .logo-icon {
  width: 58px;
  height: 44px;
}

.footer-tagline {
  font-size: 0.93rem;
  color: var(--c-white-30);
  letter-spacing: 0.08em;
  text-align: center;
  font-weight: 500;
}

.footer-nav {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-nav a {
  font-family: var(--ff-accent);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-white-50);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--c-red);
}

.footer-copy {
  font-family: var(--ff-accent);
  font-size: 0.79rem;
  color: var(--c-white-30);
  letter-spacing: 0.06em;
}

/* ============================================================
   PAGE HERO (Sub-pages)
   ============================================================ */
.page-hero {
  padding: clamp(5rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 5rem);
  position: relative;
  overflow: hidden;
}

.page-hero-dark {
  background: linear-gradient(135deg, var(--c-dark-deep) 0%, #2a0810 50%, var(--c-dark) 100%);
}

.page-hero-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(-45deg,
      transparent,
      transparent 60px,
      rgba(255, 255, 255, 0.015) 60px,
      rgba(255, 255, 255, 0.015) 61px);
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.page-hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-xl);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 100px;
  font-family: var(--ff-accent);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-white-50);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
}

.page-hero-title {
  font-family: var(--ff-accent);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--c-white);
  line-height: 1.1;
  margin-bottom: var(--space-sm);
}

.page-hero-sub {
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-white-50);
  letter-spacing: 0.12em;
  margin-bottom: var(--space-xl);
}

.page-hero-desc {
  font-size: 1rem;
  color: var(--c-white-70);
  line-height: 1.9;
  max-width: 600px;
  margin: 0 auto;
}

.page-hero-desc strong {
  color: var(--c-white);
  font-weight: 700;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  padding: var(--space-lg) 0;
  background: var(--c-bg-alt);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.breadcrumb .container {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.breadcrumb a {
  font-family: var(--ff-accent);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-text-muted);
  letter-spacing: 0.05em;
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--c-red);
}

.breadcrumb-sep {
  font-size: 0.85rem;
  color: var(--c-text-muted);
}

.breadcrumb-current {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-text);
  letter-spacing: 0.05em;
}

/* ============================================================
   DETAIL PAGE LAYOUT
   ============================================================ */
.section-detail {
  background: var(--c-bg);
}

.detail-hero {
  text-align: center;
  padding-bottom: var(--space-3xl);
  margin-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.detail-hero-num {
  font-family: var(--ff-accent);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 900;
  color: rgba(215, 21, 29, 0.1);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.detail-hero-title {
  font-family: var(--ff-body);
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--c-text);
  letter-spacing: 0.04em;
}

.detail-body {
  max-width: 740px;
  margin: 0 auto;
}

.detail-block {
  margin-bottom: var(--space-3xl);
}

.detail-block-title {
  font-family: var(--ff-body);
  font-size: 0.87rem;
  font-weight: 700;
  color: var(--c-red);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.detail-block-title::before {
  content: '';
  display: inline-block;
  width: 16px;
  height: 2px;
  background: var(--c-red);
  flex-shrink: 0;
}

.detail-block-text {
  font-size: 1rem;
  line-height: 2;
  color: var(--c-text-secondary);
}

.detail-block-accent {
  background: var(--c-dark-card);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  border-left: 4px solid var(--c-red);
}

.detail-block-accent .detail-block-title {
  color: var(--c-white-70);
}

.detail-block-accent .detail-block-title::before {
  background: var(--c-white-50);
}

.detail-block-quote {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--c-white-70);
  line-height: 2;
  font-style: italic;
}

.expertise-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.expertise-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--c-bg-card);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 100px;
  font-family: var(--ff-body);
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--c-text-secondary);
  letter-spacing: 0.04em;
}

/* Instructor Detail */
.instructor-detail-hero {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  margin-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.instructor-detail-photo {
  flex: 0 0 260px;
  width: 260px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.instructor-detail-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.instructor-detail-info {
  flex: 1;
  padding-top: var(--space-md);
}

.instructor-detail-name {
  font-family: var(--ff-body);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--c-text);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xs);
}

.instructor-detail-name-en {
  font-family: var(--ff-accent);
  font-size: 0.93rem;
  font-weight: 500;
  color: var(--c-text-muted);
  letter-spacing: 0.12em;
}

/* Detail - Related section */
.detail-related {
  margin-top: var(--space-4xl);
  padding-top: var(--space-3xl);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.detail-related-title {
  font-family: var(--ff-body);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--c-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-xl);
}

.detail-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

/* ============================================================
   CROSS-LINK NAVIGATION
   ============================================================ */
.section-crosslink {
  background: var(--c-dark-deep);
  padding: var(--space-3xl) 0;
}

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

.crosslink-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-2xl) var(--space-xl);
  background: var(--c-dark-card);
  border: 1px solid var(--c-dark-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.crosslink-card:hover {
  border-color: rgba(215, 21, 29, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.crosslink-label {
  font-family: var(--ff-accent);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-white-30);
}

.crosslink-title {
  font-family: var(--ff-body);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--c-white);
  letter-spacing: 0.04em;
  transition: color var(--transition-fast);
}

.crosslink-card:hover .crosslink-title {
  color: var(--c-red);
}

/* ============================================================
   IMPACT NUMBERS BAR (HOME)
   ============================================================ */
.impact-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  padding: var(--space-2xl) var(--space-xl);
  background: var(--c-dark-card);
  border: 1px solid var(--c-dark-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-3xl);
}

.impact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.impact-number {
  font-family: var(--ff-accent);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--c-red);
  line-height: 1;
  letter-spacing: -0.02em;
}

.impact-unit {
  font-size: 0.5em;
  font-weight: 700;
  color: var(--c-red);
}

.impact-label {
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--c-text-muted);
  letter-spacing: 0.06em;
}

.impact-divider {
  width: 1px;
  height: 48px;
  background: rgba(0, 0, 0, 0.1);
}

/* ============================================================
   SHARED: Section Lead Text & Buttons
   ============================================================ */
.section-lead {
  font-size: 1rem;
  color: var(--c-text-secondary);
  line-height: 1.9;
  margin-bottom: var(--space-2xl);
}

.section-lead strong {
  color: var(--c-red);
  font-weight: 700;
}

.section-lead-light {
  color: var(--c-white-70);
}

.section-lead-light strong {
  color: var(--c-white);
}

.section-more {
  text-align: center;
  margin-top: var(--space-2xl);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 36px;
  border: 2px solid var(--c-red);
  color: var(--c-red);
  font-family: var(--ff-body);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  letter-spacing: 0.06em;
  transition: all var(--transition-base);
  background: transparent;
}

.btn-outline:hover {
  background: var(--c-red);
  color: var(--c-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(215, 21, 29, 0.3);
}

.btn-outline span {
  transition: transform var(--transition-fast);
}

.btn-outline:hover span {
  transform: translateX(4px);
}

.btn-outline-light {
  border-color: var(--c-white-30);
  color: var(--c-white);
}

.btn-outline-light:hover {
  border-color: var(--c-red);
  background: var(--c-red);
  color: var(--c-white);
}

/* ============================================================
   CURRICULUM HIGHLIGHT (HOME)
   ============================================================ */
.section-curriculum-highlight {
  background: var(--c-bg);
}

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

.curriculum-highlight-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-2xl) var(--space-xl);
  background: var(--c-bg-card);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.curriculum-highlight-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
  border-color: rgba(215, 21, 29, 0.2);
}

.ch-card-media {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: calc(var(--space-2xl) * -1) calc(var(--space-xl) * -1) var(--space-lg);
}

.ch-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.curriculum-highlight-card:hover .ch-card-media img {
  transform: scale(1.05);
}

.ch-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.ch-card-num {
  font-family: var(--ff-accent);
  font-size: 2rem;
  font-weight: 900;
  color: rgba(215, 21, 29, 0.35);
  line-height: 1;
}

.ch-card-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-family: var(--ff-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: rgba(215, 21, 29, 0.12);
  color: #A01017;
  border: 1px solid rgba(215, 21, 29, 0.3);
}

.ch-card-title {
  font-family: var(--ff-body);
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--c-text);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}

.ch-card-desc {
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--c-text-secondary);
  margin-bottom: var(--space-md);
  letter-spacing: 0.02em;
}

.ch-card-desc {
  flex: 1;
}

.ch-card-link {
  display: inline-block;
  margin-top: var(--space-lg);
  font-family: var(--ff-accent);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-red);
  opacity: 0.5;
  transition: all var(--transition-base);
}

.curriculum-highlight-card:hover .ch-card-link {
  opacity: 1;
}

/* ============================================================
   INSTRUCTOR SHOWCASE (HOME)
   ============================================================ */
.section-instructors-showcase {
  background: var(--c-dark);
  color: var(--c-white);
}

.section-instructors-showcase .section-title-en {
  color: var(--c-white);
}

.section-instructors-showcase .section-title-ja {
  color: var(--c-white-50);
}

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

.instructor-showcase-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-2xl) var(--space-xl);
  background: var(--c-dark-card);
  border: 1px solid var(--c-dark-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
}

.is-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.is-card-avatar {
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--c-dark-border);
}

.is-card-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.is-card-avatar-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #2a2d33 0%, #1f2227 100%);
}

.is-card-avatar-initial {
  font-family: var(--ff-accent);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--c-white-30);
}

.is-card-header-info {
  flex: 1;
  min-width: 0;
}

.instructor-showcase-card:hover {
  border-color: rgba(215, 21, 29, 0.4);
  transform: translateY(-5px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 24px var(--c-red-glow);
}

.is-card-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 3px 12px;
  background: var(--c-red);
  color: var(--c-white);
  font-family: var(--ff-accent);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 100px;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.is-card-name {
  font-family: var(--ff-body);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--c-white);
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.is-card-name-en {
  font-family: var(--ff-accent);
  font-size: 0.77rem;
  font-weight: 500;
  color: var(--c-white-30);
  letter-spacing: 0.1em;
  margin-bottom: 0;
}

.is-card-bio {
  font-size: 0.95rem;
  color: var(--c-white-70);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.is-card-expertise {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-bottom: var(--space-lg);
}

.is-card-tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  font-size: 0.81rem;
  font-weight: 500;
  color: var(--c-white-50);
  letter-spacing: 0.04em;
}

.is-card-quote {
  font-size: 0.93rem;
  font-style: italic;
  color: var(--c-white-50);
  line-height: 1.7;
  padding-top: var(--space-md);
  border-top: 1px solid var(--c-dark-border);
  margin: 0;
  flex: 1;
}

.is-card-link {
  display: inline-block;
  margin-top: var(--space-lg);
  font-family: var(--ff-accent);
  font-size: 0.79rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-red);
  opacity: 0.45;
  transition: all var(--transition-base);
}

.instructor-showcase-card:hover .is-card-link {
  opacity: 1;
}

/* ============================================================
   MEMBER VOICES (HOME)
   ============================================================ */
.section-member-voices {
  background: var(--c-bg);
}

.member-voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.member-voice-card {
  display: flex;
  flex-direction: column;
  background: var(--c-bg-card);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

.member-voice-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.mv-card-photo {
  width: 100%;
  /* 講師カードと同じ1:1。素材も1200x1200で書き出して比率を一致させる（切り抜きが起きない） */
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--c-dark-card);
}

.mv-card-photo-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ff-accent);
  font-size: clamp(4rem, 12vw, 7rem);
  font-weight: 900;
  color: rgba(255, 255, 255, 0.16);
  background:
    radial-gradient(circle at 78% 18%, rgba(215, 21, 29, 0.42), transparent 34%),
    linear-gradient(145deg, var(--c-dark) 0%, var(--c-dark-deep) 100%);
}

.mv-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform var(--transition-slow);
}

.member-voice-card:hover .mv-card-photo img {
  transform: scale(1.05);
  transform-origin: center top;
}

.mv-card-body {
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.mv-card-meta {
  margin-bottom: var(--space-md);
}

.mv-card-name {
  font-family: var(--ff-body);
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--c-text);
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}

.mv-card-role {
  font-family: var(--ff-accent);
  font-size: 0.81rem;
  font-weight: 600;
  color: var(--c-red);
  letter-spacing: 0.08em;
}

.mv-card-quote {
  font-size: 0.93rem;
  color: var(--c-text-secondary);
  line-height: 1.8;
  margin: 0;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  font-style: normal;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.mv-card-details {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity var(--transition-base);
}

.member-voice-card.is-expanded .mv-card-details {
  max-height: 2600px;
  opacity: 1;
  margin-top: var(--space-lg);
}

.mv-detail-section {
  padding: var(--space-md) 0;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.mv-detail-label {
  font-family: var(--ff-accent);
  font-size: 0.81rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--c-red);
  margin-bottom: var(--space-xs);
}

.mv-detail-text {
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--c-text-secondary);
}

.mv-card-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  margin-top: auto;
  padding: var(--space-md) 0 0;
  border: 0;
  background: transparent;
  color: var(--c-red);
  font-family: var(--ff-accent);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  cursor: pointer;
}

.mv-card-more-close {
  display: none;
}

.member-voice-card.is-expanded .mv-card-more-open {
  display: none;
}

.member-voice-card.is-expanded .mv-card-more-close {
  display: inline;
}

.member-voice-card.is-expanded .mv-card-more span:last-child {
  transform: rotate(-90deg);
}

/* ============================================================
   FINAL CTA (HOME)
   ============================================================ */
.section-final-cta {
  background: linear-gradient(135deg, var(--c-dark-deep) 0%, #2a0810 50%, var(--c-dark) 100%);
  position: relative;
  overflow: hidden;
  padding: clamp(4rem, 10vw, 8rem) 0;
}

.section-final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(-45deg,
      transparent,
      transparent 60px,
      rgba(255, 255, 255, 0.015) 60px,
      rgba(255, 255, 255, 0.015) 61px);
  pointer-events: none;
}

.final-cta-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.final-cta-eyebrow {
  font-family: var(--ff-accent);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-red);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
}

.final-cta-title {
  font-family: var(--ff-body);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--c-white);
  line-height: 1.4;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-xl);
}

.final-cta-desc {
  font-size: 0.97rem;
  color: var(--c-white-70);
  line-height: 1.9;
  margin-bottom: var(--space-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   STEP CARDS (Guidance)
   ============================================================ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

.step-card {
  background: var(--c-bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-2xl) var(--space-xl);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition-base);
  position: relative;
  text-align: center;
}

.step-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.step-card-num {
  font-family: var(--ff-accent);
  font-size: 2rem;
  font-weight: 900;
  color: var(--c-red);
  margin-bottom: var(--space-md);
  line-height: 1;
}

.step-card-title {
  font-family: var(--ff-body);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-text);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.04em;
}

.step-card-text {
  font-size: 0.93rem;
  color: var(--c-text-secondary);
  line-height: 1.7;
}

.section-guidance-pricing {
  background: var(--c-dark);
  color: var(--c-white);
}

/* ============================================================
   ABOUT SECTION (HOME)
   ============================================================ */
.section-about {
  background: var(--c-bg);
}

.about-intro {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.about-lead {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  font-weight: 500;
  line-height: 2;
  color: var(--c-text);
  letter-spacing: 0.04em;
  margin-bottom: var(--space-xl);
}

.about-lead strong {
  color: var(--c-red);
  font-weight: 700;
}

.about-desc {
  font-size: 0.97rem;
  color: var(--c-text-secondary);
  line-height: 2;
  max-width: 700px;
  margin: 0 auto;
}

.about-desc strong {
  color: var(--c-text);
  font-weight: 700;
}

/* Curriculum intro */
.curriculum-intro {
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.curriculum-lead strong {
  color: var(--c-red);
  font-weight: 700;
}

/* Instructors intro */
.instructors-intro {
  text-align: center;
  font-size: 1rem;
  color: var(--c-white-70);
  margin-bottom: var(--space-2xl);
  letter-spacing: 0.04em;
}

/* Guidance intro */
.guidance-intro {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.guidance-intro-text {
  font-size: 1rem;
  color: var(--c-text-secondary);
  line-height: 2;
}

/* ============================================================
   PAGE TOP BUTTON
   ============================================================ */
.page-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  background: var(--c-dark);
  border: 1px solid var(--c-dark-border);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--c-white-70);
  font-family: var(--ff-accent);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  z-index: var(--z-pagetop);
  opacity: 0;
  transform: translateY(16px);
  transition: all var(--transition-base);
  text-transform: uppercase;
}

.page-top.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.page-top:hover {
  background: var(--c-red);
  border-color: var(--c-red);
  color: var(--c-white);
}

.page-top-arrow {
  font-size: 0.9rem;
  line-height: 1;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

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

/* Stagger for grids */
.fade-in:nth-child(1) {
  transition-delay: 0.05s;
}

.fade-in:nth-child(2) {
  transition-delay: 0.12s;
}

.fade-in:nth-child(3) {
  transition-delay: 0.19s;
}

.fade-in:nth-child(4) {
  transition-delay: 0.26s;
}

.fade-in:nth-child(5) {
  transition-delay: 0.33s;
}

.fade-in:nth-child(6) {
  transition-delay: 0.40s;
}

.fade-in:nth-child(7) {
  transition-delay: 0.47s;
}

.fade-in:nth-child(8) {
  transition-delay: 0.54s;
}

.fade-in:nth-child(9) {
  transition-delay: 0.61s;
}

/* ============================================================
   LINE BUTTONS
   ============================================================ */

/* Footer LINE Button */
.footer-cta {
  margin: var(--space-md) 0 var(--space-lg);
  display: flex;
  justify-content: center;
}

.footer-line-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: #06C755;
  color: #fff !important;
  padding: 14px 28px;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(6, 199, 85, 0.3);
}

.footer-line-btn:hover {
  background-color: #05b04a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 199, 85, 0.4);
}

.line-icon-svg {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
}

.line-icon-svg svg {
  width: 100%;
  height: 100%;
}

/* Floating LINE Button (Mobile Only) */
.fixed-cta {
  display: none; /* Hidden on Desktop */
}

@media (max-width: 768px) {
  .fixed-cta {
    display: block;
    position: fixed;
    right: 15px;
    bottom: 90px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s ease;
    pointer-events: none;
  }

  .fixed-cta.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .floating-line-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: #06C755;
    color: #fff;
    border-radius: 50%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: float-bubble 3s ease-in-out infinite;
  }

  .floating-line-btn svg {
    width: 32px;
    height: 32px;
  }

  .floating-line-btn:hover {
    transform: scale(1.1) rotate(5deg);
    background-color: #05b04a;
  }

  @keyframes float-bubble {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }
}

/* Installment Plan Styling */
.guidance-installment {
  margin-top: 40px;
  display: flex;
  justify-content: center;
}

.installment-box {
  background: var(--c-dark-deep);
  border: 1px dashed rgba(255, 255, 255, 0.2);
  padding: 40px;
  border-radius: 12px;
  text-align: center;
  width: 100%;
  max-width: 700px;
}

.installment-title {
  font-family: var(--ff-accent);
  color: var(--c-red);
  font-size: 1.2rem;
  letter-spacing: 0.15em;
  margin-bottom: 20px;
  font-weight: 800;
}

.installment-main {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 12px;
  margin-bottom: 15px;
}

.installment-monthly {
  font-family: var(--ff-accent);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--c-white);
  line-height: 1;
}

.installment-unit {
  color: var(--c-white);
  font-size: 1.25rem;
  font-weight: 700;
  opacity: 0.9;
}

.installment-total-note {
  color: var(--c-white);
  font-size: 1.25rem;
  opacity: 0.6;
}

.installment-note {
  color: #a0a0a0;
  font-size: 1rem;
  margin-top: 15px;
  font-weight: 500;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

/* Tablet */
@media (max-width: 960px) {
  .header-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .concept-features {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .value-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .curriculum-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .instructor-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .member-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .guidance-pricing {
    grid-template-columns: 1fr;
    max-width: 400px;
  }

  .utility-bar {
    display: none;
  }

  .curriculum-highlight-grid {
    grid-template-columns: 1fr;
  }

  .instructor-showcase-grid {
    grid-template-columns: 1fr;
  }

  .instructor-detail-photo {
    flex: 0 0 200px;
    width: 200px;
  }

  .member-voice-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .crosslink-grid {
    grid-template-columns: 1fr;
  }

  .impact-bar {
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-md);
  }

  .impact-number {
    font-size: 2rem;
  }
}

/* Mobile */
@media (max-width: 600px) {
  :root {
    --container-padding: 1rem;
  }

  .member-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .curriculum-grid {
    grid-template-columns: 1fr;
  }

  .curriculum-acc-header {
    gap: var(--space-md);
    padding: var(--space-md);
  }

  .curriculum-acc-media {
    flex-basis: 60px;
    width: 60px;
    height: 60px;
  }

  .curriculum-acc-item.is-open .curriculum-acc-panel-inner {
    padding: 0 var(--space-md) var(--space-md);
  }

  .instructor-detail-hero {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .instructor-detail-photo {
    flex: 0 0 180px;
    width: 180px;
  }
}

/* Guidance Page LINE CTA */
.guidance-line-cta {
  margin-top: 60px;
  text-align: center;
  padding: 40px;
  background-color: var(--c-dark-deep);
  border: 1px solid rgba(6, 199, 85, 0.3);
  border-radius: 12px;
}

.guidance-line-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-white);
  margin-bottom: 25px;
  line-height: 1.6;
}

.guidance-line-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  background-color: #06C755;
  color: #fff !important;
  padding: 18px 45px;
  border-radius: 100px;
  text-decoration: none;
  font-weight: 800;
  font-size: 1.25rem;
  transition: all 0.3s ease;
  box-shadow: 0 10px 25px rgba(6, 199, 85, 0.4);
}

.guidance-line-btn:hover {
  background-color: #05b04a;
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 15px 35px rgba(6, 199, 85, 0.5);
}

@media (max-width: 600px) {
  .guidance-line-cta {
    padding: 30px 20px;
    margin-top: 40px;
  }
  .guidance-line-text {
    font-size: 1.1rem;
  }
  .guidance-line-btn {
    padding: 15px 30px;
    font-size: 1.1rem;
    width: 100%;
  }

  .instructor-grid {
    grid-template-columns: 1fr;
  }

  .category-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }

  .category-btn {
    padding: var(--space-lg) var(--space-md);
  }

  .category-btn-label {
    font-size: 1.1rem;
  }

  .section-header {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .member-card-name {
    font-size: 1.3rem;
  }

  .member-card-number {
    font-size: 2.5rem;
  }

  .hero-title {
    letter-spacing: 0.02em;
  }

  .page-top {
    bottom: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
  }

  .pricing-current {
    font-size: 2rem;
  }

  .member-voice-grid {
    grid-template-columns: 1fr;
  }

  .impact-bar {
    flex-direction: column;
    gap: var(--space-md);
  }

  .impact-divider {
    width: 48px;
    height: 1px;
  }

  .crosslink-grid {
    grid-template-columns: 1fr;
  }

  .detail-block-accent {
    padding: var(--space-xl) var(--space-lg);
  }

  .breadcrumb .container {
    font-size: 0.81rem;
  }
}