/* ========================================
   LUMINA - Online Tutoring Academy
   Premium Editorial Style
======================================== */

/* ========== Variables ========== */
:root {
  /* Colors */
  --c-navy: #0A1F44;
  --c-navy-deep: #061633;
  --c-navy-light: #1E3460;
  --c-gold: #C9A96E;
  --c-gold-deep: #B89456;
  --c-gold-soft: #E5D4B0;
  --c-salmon: #F4B5A6;
  --c-salmon-soft: #FDE0D7;
  --c-sky: #B8D4E3;
  --c-sky-soft: #E5EFF5;
  --c-cream: #FAF8F3;
  --c-cream-deep: #F2EDE2;
  --c-white: #FFFFFF;
  --c-text: #1A1A1A;
  --c-text-body: #4A4A4A;
  --c-text-muted: #8A8A8A;
  --c-text-light: #B8B8B8;
  --c-border: #E8E5DD;
  --c-border-soft: #F0EDE5;

  /* Border radius */
  --r-sm: 8px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --r-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 4px 12px rgba(10, 31, 68, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 31, 68, 0.1);
  --shadow-lg: 0 16px 40px rgba(10, 31, 68, 0.12);
  --shadow-xl: 0 24px 60px rgba(10, 31, 68, 0.15);
  --shadow-soft: 0 12px 30px rgba(244, 181, 166, 0.2);

  /* Fonts - 日本語ゴシック主役、英語はサンセリフでアクセント */
  --font-sans: "Noto Sans JP", sans-serif;
  --font-serif: "Noto Serif JP", serif;
  --font-en: "Inter", sans-serif;
  --font-display: "Inter", sans-serif;

  /* Layout */
  --container: 1280px;
  --container-narrow: 980px;
  --container-wide: 1440px;
  --gap-xs: clamp(8px, 1.5vw, 16px);
  --gap-sm: clamp(16px, 2.5vw, 24px);
  --gap-md: clamp(24px, 4vw, 40px);
  --gap-base: clamp(32px, 5vw, 56px);
  --gap-lg: clamp(56px, 8vw, 96px);
  --gap-xl: clamp(80px, 12vw, 160px);

  /* Font sizes */
  --fs-xs: clamp(13px, 1.2vw, 14px);
  --fs-sm: clamp(15px, 1.4vw, 16px);
  --fs-md: clamp(16px, 1.65vw, 18px);
  --fs-lg: clamp(18px, 1.9vw, 20px);
  --fs-xl: clamp(22px, 2.3vw, 26px);
  --fs-h3: clamp(24px, 3vw, 32px);
  --fs-h2: clamp(32px, 5vw, 56px);
  --fs-h1: clamp(48px, 9vw, 120px);
  --fs-display: clamp(80px, 16vw, 220px);

  /* Transitions */
  --t-fast: 0.2s ease;
  --t-base: 0.3s ease;
  --t-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --t-elegant: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ========== Reset ========== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--c-text);
  background: var(--c-cream);
  line-height: 1.85;
  font-size: var(--fs-md);
  font-weight: 400;
  word-break: auto-phrase;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--t-base); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ========== Loading ========== */
.loading {
  position: fixed;
  inset: 0;
  background: var(--c-navy-deep);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
.loading.hidden {
  opacity: 0;
  visibility: hidden;
}
.loading-logo {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: clamp(36px, 5vw, 56px);
  color: var(--c-gold);
  letter-spacing: 0.1em;
  position: relative;
}
.loading-logo::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--c-gold);
  transform-origin: left;
  animation: loading-line 1.5s ease forwards;
}
@keyframes loading-line {
  0% { transform: scaleX(0); }
  100% { transform: scaleX(1); }
}

/* ========== Container ========== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
}
.container-narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
}
.container-wide {
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
}

section {
  padding: var(--gap-xl) 0;
  position: relative;
}

/* ========== Topbar ========== */
.topbar {
  background: var(--c-navy-deep);
  color: var(--c-cream);
  padding: 10px 0;
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
}
.topbar-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 60px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.topbar-left {
  font-family: var(--font-display);
  font-style: italic;
  letter-spacing: 0.2em;
  color: var(--c-gold-soft);
}
.topbar-right strong {
  color: var(--c-gold);
  font-weight: 500;
  margin-right: 6px;
}
@media (max-width: 600px) {
  .topbar-left { display: none; }
}

/* ========== Header ========== */
.site-header {
  background: rgba(250, 248, 243, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border-soft);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: padding var(--t-base);
}
.site-header.scrolled {
  padding: 6px 0;
  box-shadow: 0 4px 20px rgba(10, 31, 68, 0.06);
}
.site-header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px clamp(24px, 5vw, 60px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  transition: padding var(--t-base);
}
.site-header.scrolled .site-header-inner {
  padding: 14px clamp(24px, 5vw, 60px);
}

.logo {
  font-family: var(--font-en);
  color: var(--c-navy);
  font-weight: 600;
  font-size: clamp(22px, 2.5vw, 26px);
  letter-spacing: 0.05em;
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.logo .dot {
  color: var(--c-gold);
  font-style: normal;
  margin-left: 2px;
}
.logo-sub {
  font-family: var(--font-en);
  font-style: normal;
  font-size: 0.4em;
  color: var(--c-text-muted);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-left: 8px;
}

.site-nav {
  display: flex;
  gap: clamp(20px, 3vw, 40px);
  align-items: center;
}
.site-nav a {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--c-text);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  position: relative;
}
.site-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--c-gold);
  transition: width var(--t-base);
}
.site-nav a:not(.nav-cta):hover { color: var(--c-gold-deep); }
.site-nav a:not(.nav-cta):hover::after { width: 100%; }
.site-nav a.active { color: var(--c-gold-deep); }
.site-nav a.active::after { width: 100%; }

.nav-cta {
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-light) 100%);
  color: white !important;
  padding: 12px 26px;
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  border-radius: var(--r-pill);
  transition: all var(--t-base);
  box-shadow: var(--shadow-sm);
}
.nav-cta:hover {
  background: linear-gradient(135deg, var(--c-gold-deep) 0%, var(--c-gold) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

@media (max-width: 880px) {
  .site-nav a:not(.nav-cta):not(.always-visible) { display: none; }
  .nav-cta { padding: 10px 16px; font-size: 11px; letter-spacing: 0.15em; }
}

/* ========== Section header (shared) ========== */
.section-header {
  margin-bottom: clamp(56px, 8vw, 96px);
  max-width: 720px;
}
.section-header.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-eyebrow {
  font-family: var(--font-en);
  color: var(--c-gold-deep);
  font-size: var(--fs-sm);
  letter-spacing: 0.25em;
  margin-bottom: 20px;
  font-weight: 500;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}
.section-eyebrow .num {
  font-family: var(--font-en);
  color: var(--c-text-muted);
  font-size: 0.85em;
  letter-spacing: 0.1em;
}
.section-title {
  font-family: var(--font-sans);
  font-size: var(--fs-h2);
  font-weight: 700;
  color: var(--c-navy);
  letter-spacing: 0.04em;
  line-height: 1.5;
}
.section-title .em {
  color: var(--c-gold-deep);
  font-weight: 700;
}
.section-lead {
  font-size: var(--fs-md);
  color: var(--c-text-body);
  margin-top: 28px;
  line-height: 2.1;
  max-width: 640px;
}

/* ========== Buttons ========== */
.btn-filled {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-navy-light) 100%);
  color: white;
  padding: 18px 38px;
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  font-weight: 600;
  border-radius: var(--r-pill);
  transition: all var(--t-base);
  box-shadow: var(--shadow-md);
}
.btn-filled:hover {
  background: linear-gradient(135deg, var(--c-gold-deep) 0%, var(--c-gold) 100%);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.btn-line {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--c-navy);
  padding: 16px 28px;
  border: 1.5px solid var(--c-navy);
  border-radius: var(--r-pill);
  transition: all var(--t-base);
  background: transparent;
}
.btn-line:hover {
  color: white;
  border-color: var(--c-navy);
  background: var(--c-navy);
  gap: 18px;
  transform: translateY(-2px);
}
.btn .arrow {
  font-family: var(--font-en);
  transition: transform var(--t-base);
  font-weight: 600;
}
.btn:hover .arrow { transform: translateX(4px); }

.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: linear-gradient(135deg, var(--c-gold) 0%, var(--c-gold-deep) 100%);
  color: white;
  padding: 18px 38px;
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  font-weight: 600;
  border-radius: var(--r-pill);
  transition: all var(--t-base);
  box-shadow: var(--shadow-soft);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--c-gold-deep) 0%, var(--c-gold) 100%);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ========== Hero (shared base) ========== */
.hero {
  padding: clamp(80px, 12vw, 140px) 0 clamp(80px, 12vw, 140px);
  position: relative;
  overflow: hidden;
}
.hero-eyebrow {
  font-family: var(--font-en);
  color: var(--c-gold-deep);
  font-size: var(--fs-sm);
  letter-spacing: 0.25em;
  margin-bottom: 32px;
  font-weight: 500;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 16px;
}
.hero-eyebrow::before {
  content: '';
  display: inline-block;
  width: clamp(40px, 6vw, 60px);
  height: 1px;
  background: var(--c-gold-deep);
}
.hero h1 {
  font-family: var(--font-sans);
  font-size: clamp(40px, 7vw, 88px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--c-navy);
  margin-bottom: 36px;
  letter-spacing: 0.02em;
}
.hero h1 .jp {
  font-weight: 500;
  display: block;
  font-size: 0.45em;
  margin-top: 20px;
  letter-spacing: 0.05em;
  line-height: 1.7;
  color: var(--c-text-body);
}
.hero h1 .em {
  color: var(--c-gold-deep);
}
.hero h1 .accent-en {
  font-family: var(--font-en);
  font-weight: 500;
  font-style: italic;
  color: var(--c-gold-deep);
  display: block;
  font-size: 0.4em;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}
.hero-lead {
  font-size: var(--fs-md);
  color: var(--c-text-body);
  line-height: 2.1;
  margin-bottom: clamp(36px, 5vw, 56px);
  max-width: 540px;
}
.hero-cta {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  align-items: center;
}

/* ========== Page Hero (sub pages) ========== */
.page-hero {
  background: var(--c-cream);
  padding: clamp(80px, 12vw, 140px) 0 clamp(60px, 8vw, 100px);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--c-border-soft);
}
.page-hero::before {
  content: '';
  position: absolute;
  top: 10%;
  right: -10%;
  width: 50vw;
  max-width: 600px;
  height: 50vw;
  max-height: 600px;
  background: radial-gradient(circle, rgba(201, 169, 110, 0.08), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.page-hero-inner {
  position: relative;
  z-index: 1;
}
.page-hero h1 {
  font-family: var(--font-sans);
  font-size: clamp(36px, 6vw, 72px);
  color: var(--c-navy);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.page-hero h1 .accent-en {
  font-family: var(--font-en);
  font-style: italic;
  font-weight: 500;
  color: var(--c-gold-deep);
  display: block;
  font-size: 0.35em;
  letter-spacing: 0.2em;
  margin-bottom: 14px;
}
.page-hero h1 .jp {
  display: block;
  font-size: 0.45em;
  margin-top: 16px;
  color: var(--c-text-body);
  letter-spacing: 0.05em;
  line-height: 1.6;
  font-weight: 500;
}
.page-hero p {
  font-size: var(--fs-md);
  color: var(--c-text-body);
  max-width: 640px;
  line-height: 2.1;
}

/* ========== Animations (Fade-in on scroll) ========== */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--t-elegant), transform 1s var(--t-elegant);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }
.fade-in-delay-5 { transition-delay: 0.5s; }

.fade-up {
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 1.2s var(--t-elegant), transform 1.2s var(--t-elegant);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== Footer ========== */
footer {
  background: var(--c-navy-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: clamp(80px, 10vw, 120px) 0 clamp(32px, 4vw, 48px);
  font-size: var(--fs-sm);
  position: relative;
}
footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--c-gold-deep), transparent);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: clamp(32px, 5vw, 56px);
  margin-bottom: clamp(56px, 7vw, 80px);
  padding-bottom: clamp(40px, 5vw, 56px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
@media (max-width: 760px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
}
.footer-brand .logo { color: white; margin-bottom: 24px; }
.footer-brand .logo .dot { color: var(--c-gold); }
.footer-brand p {
  font-size: var(--fs-xs);
  line-height: 2;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}
.footer-col h4 {
  font-family: var(--font-en);
  font-size: var(--fs-xs);
  letter-spacing: 0.25em;
  color: var(--c-gold);
  text-transform: uppercase;
  margin-bottom: 24px;
  font-weight: 500;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 14px; }
.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-sm);
  letter-spacing: 0.05em;
}
.footer-col a:hover { color: var(--c-gold-soft); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.1em;
}
.footer-bottom-right {
  font-family: var(--font-display);
  font-style: italic;
  letter-spacing: 0.2em;
  color: var(--c-gold);
}

/* ========== Common Card Hover ========== */
.card-hover {
  transition: transform var(--t-base), box-shadow var(--t-base);
}
.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(10, 31, 68, 0.1);
}

/* ========== Scroll indicator ========== */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-style: italic;
  color: var(--c-gold-deep);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  animation: scroll-bounce 2s ease-in-out infinite;
}
.scroll-indicator::after {
  content: '';
  width: 1px;
  height: 40px;
  background: var(--c-gold-deep);
  display: block;
}
@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.7; }
  50% { transform: translateX(-50%) translateY(8px); opacity: 1; }
}

/* ========== Stats / Numbers ========== */
.stats {
  background: linear-gradient(135deg, var(--c-navy-deep) 0%, var(--c-navy) 50%, var(--c-navy-light) 100%);
  color: white;
  padding: clamp(60px, 9vw, 110px) 0;
  position: relative;
  overflow: hidden;
}
.stats::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 50%;
  height: 200%;
  background: radial-gradient(circle, rgba(201, 169, 110, 0.15), transparent 60%);
  pointer-events: none;
}
.stats::after {
  content: '';
  position: absolute;
  bottom: -50%;
  left: -10%;
  width: 50%;
  height: 200%;
  background: radial-gradient(circle, rgba(244, 181, 166, 0.08), transparent 60%);
  pointer-events: none;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 32px);
  position: relative;
  z-index: 1;
}
@media (max-width: 880px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
}
.stat-item {
  text-align: center;
  padding: clamp(24px, 3vw, 36px) 16px;
  border-radius: var(--r-lg);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--t-base);
}
.stat-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
  border-color: rgba(201, 169, 110, 0.3);
}
.stat-label {
  font-family: var(--font-sans);
  color: var(--c-gold);
  font-size: var(--fs-sm);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  font-weight: 500;
}
.stat-number {
  font-family: var(--font-en);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 600;
  line-height: 1;
  color: white;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.stat-number .unit {
  font-size: 0.4em;
  color: var(--c-gold);
  margin-left: 4px;
  font-style: italic;
}
.stat-desc {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0.1em;
  line-height: 1.7;
}

/* ============================================================
   Cross-page softening overrides (sub-pages の AI感を緩和)
   ============================================================ */

/* --- 数字番号: 筆記体イタリック → サンセリフボールドへ --- */
.reason-num,
.method-num,
.flow-num,
.selection-num,
.course-content .course-num,
.university-tier-count,
.improvement-card .grade {
  font-family: var(--font-en) !important;
  font-style: normal !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em !important;
}

/* --- 見出し: 明朝 → ゴシックへ --- */
.reason-row h3,
.method-card h4,
.story-content h3,
.cta-display,
.course-content h2,
.pricing-card h4,
.selection-item h4,
.teacher-name,
.university-tier-name,
.improvement-card h4,
.voice-info strong {
  font-family: var(--font-sans) !important;
  font-style: normal !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em !important;
}
.cta-display {
  font-weight: 800 !important;
  letter-spacing: 0.02em !important;
}
.cta-display .jp {
  font-family: var(--font-sans) !important;
  font-weight: 500 !important;
}

/* --- 画像: 角丸＋シャドウ --- */
.mission-image,
.course-image {
  border-radius: var(--r-xl) !important;
  box-shadow: var(--shadow-xl) !important;
  filter: none !important;
  position: relative;
}
.teacher-photo {
  border-radius: var(--r-lg) !important;
  filter: none !important;
}

/* --- blockquote: グラデ背景＋角丸 --- */
.mission-content blockquote {
  border-radius: var(--r-md) !important;
  border-left: 4px solid var(--c-gold) !important;
  background: linear-gradient(135deg, var(--c-cream-deep) 0%, var(--c-salmon-soft) 100%) !important;
  font-family: var(--font-sans) !important;
  font-weight: 500 !important;
}

/* --- Method cards: 角ばった top-border → 白カード＋角丸 --- */
.method-card {
  background: white !important;
  padding: clamp(28px, 3.5vw, 36px) !important;
  border-top: none !important;
  border-radius: var(--r-lg) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: all var(--t-base) !important;
  position: relative;
  overflow: hidden;
}
.method-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 56%;
  height: 4px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-salmon));
  border-radius: 0 var(--r-pill) var(--r-pill) 0;
}
.method-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md) !important;
  border-color: transparent !important;
}
.method-card:nth-child(2)::before { background: linear-gradient(90deg, var(--c-salmon), var(--c-gold)); }
.method-card:nth-child(3)::before { background: linear-gradient(90deg, var(--c-sky), var(--c-gold)); }
.method-card:nth-child(4)::before { background: linear-gradient(90deg, var(--c-gold), var(--c-sky)); }

/* --- Flow cards: 同様に角丸化 --- */
.flow-item {
  background: white;
  padding: clamp(24px, 3vw, 32px) !important;
  border-top: none !important;
  border-radius: var(--r-lg) !important;
  box-shadow: var(--shadow-sm);
  transition: all var(--t-base);
  position: relative;
  overflow: hidden;
}
.flow-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-salmon));
}
.flow-item:nth-child(2)::before { background: linear-gradient(90deg, var(--c-salmon), var(--c-sky)); }
.flow-item:nth-child(3)::before { background: linear-gradient(90deg, var(--c-sky), var(--c-gold)); }
.flow-item:nth-child(4)::before { background: linear-gradient(90deg, var(--c-gold-soft), var(--c-salmon)); }
.flow-item:nth-child(5)::before { background: linear-gradient(90deg, var(--c-salmon), var(--c-gold)); }
.flow-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* --- Pricing cards: 角丸＋ふわっとシャドウ --- */
.pricing-card {
  border-radius: var(--r-xl) !important;
  border: 1px solid var(--c-border) !important;
  box-shadow: var(--shadow-sm);
  overflow: visible !important;
}
.pricing-card.featured {
  border: 2px solid var(--c-gold) !important;
  background: linear-gradient(180deg, white 0%, var(--c-cream) 100%) !important;
  box-shadow: var(--shadow-lg);
  transform: translateY(-8px);
  margin-top: 18px;
}
.pricing-card.featured::before {
  border-radius: var(--r-pill) !important;
  background: linear-gradient(135deg, var(--c-gold) 0%, var(--c-gold-deep) 100%) !important;
  padding: 6px 24px !important;
  font-family: var(--font-en) !important;
  font-style: normal !important;
  font-weight: 600 !important;
  letter-spacing: 0.18em !important;
  font-size: 11px !important;
  box-shadow: var(--shadow-soft);
}
.pricing-card .price .num {
  font-family: var(--font-en) !important;
  font-style: normal !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em !important;
}
.pricing-card:hover {
  box-shadow: var(--shadow-lg) !important;
}

/* --- Selection items (teachers): カード化 --- */
.selection-item {
  background: white;
  padding: clamp(28px, 4vw, 40px) clamp(20px, 3vw, 28px) !important;
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--t-base);
  position: relative;
}
.selection-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.selection-item:nth-child(1) { background: linear-gradient(180deg, white 0%, var(--c-salmon-soft) 100%); }
.selection-item:nth-child(2) { background: linear-gradient(180deg, white 0%, var(--c-gold-soft) 100%); }
.selection-item:nth-child(3) { background: linear-gradient(180deg, white 0%, var(--c-sky-soft) 100%); }

/* --- Teacher cards (sub page list) --- */
.teachers-list-grid .teacher-card {
  background: white;
  padding: clamp(20px, 2.5vw, 24px) !important;
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--t-base);
}
.teachers-list-grid .teacher-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.teachers-list-grid .teacher-photo {
  border-radius: var(--r-md) !important;
  margin-bottom: 16px !important;
}

/* --- University tiers: より柔らかく --- */
.university-tier {
  border-top: none !important;
  border-radius: var(--r-xl) !important;
  box-shadow: var(--shadow-md) !important;
  position: relative;
  overflow: hidden;
}
.university-tier::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-gold-deep));
}
.university-tier:nth-of-type(2)::before { background: linear-gradient(90deg, var(--c-salmon), var(--c-gold)); }
.university-tier:nth-of-type(3)::before { background: linear-gradient(90deg, var(--c-sky), var(--c-gold)); }
.university-tier:nth-of-type(4)::before { background: linear-gradient(90deg, var(--c-gold-soft), var(--c-salmon)); }
.university-item {
  border-radius: var(--r-sm) !important;
  border-left: 3px solid var(--c-gold) !important;
}

/* --- Improvement cards: 角丸 --- */
.improvement-card {
  border: none !important;
  border-radius: var(--r-xl) !important;
  box-shadow: var(--shadow-sm);
  transition: all var(--t-base);
}
.improvement-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.improvement-bar-value {
  border-radius: var(--r-sm) var(--r-sm) 0 0 !important;
}

/* --- Voice cards: 角丸＋ふわっと --- */
.voice-card {
  border-radius: var(--r-xl) !important;
  box-shadow: var(--shadow-sm);
}
.voice-card::before {
  font-family: var(--font-en) !important;
  font-style: normal !important;
  font-weight: 700 !important;
  color: var(--c-salmon) !important;
}
.voice-avatar {
  border-radius: 50% !important;
  background: linear-gradient(135deg, var(--c-gold-soft) 0%, var(--c-salmon-soft) 100%) !important;
  font-family: var(--font-en) !important;
  font-style: normal !important;
  font-weight: 700 !important;
  color: var(--c-navy) !important;
}
.voice-quote {
  font-family: var(--font-sans) !important;
  font-weight: 500 !important;
}

/* --- Page hero: 装飾ブロブを追加 --- */
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -20%;
  left: -10%;
  width: 40vw;
  max-width: 500px;
  height: 40vw;
  max-height: 500px;
  background: radial-gradient(circle, rgba(244, 181, 166, 0.18), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(40px);
}
.page-hero h1 .accent-en {
  font-style: normal !important;
  font-weight: 700 !important;
  letter-spacing: 0.18em !important;
}

/* --- Final CTA セクション: 装飾を追加 --- */
.final-cta {
  position: relative;
  overflow: hidden;
}
.final-cta::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -5%;
  width: 35vw;
  max-width: 450px;
  height: 35vw;
  max-height: 450px;
  background: radial-gradient(circle, rgba(201, 169, 110, 0.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(30px);
}
.final-cta::after {
  content: '';
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 35vw;
  max-width: 450px;
  height: 35vw;
  max-height: 450px;
  background: radial-gradient(circle, rgba(244, 181, 166, 0.15), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(30px);
}
.cta-display .em {
  background: linear-gradient(135deg, var(--c-gold) 0%, var(--c-gold-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent !important;
}

/* --- topbar-left の italic を解除 --- */
.topbar-left,
.footer-bottom-right {
  font-family: var(--font-en) !important;
  font-style: normal !important;
  font-weight: 600 !important;
  letter-spacing: 0.25em !important;
}

/* --- scroll-indicator italicも解除 --- */
.scroll-indicator {
  font-family: var(--font-en) !important;
  font-style: normal !important;
  font-weight: 600 !important;
}

/* --- equipment / FAQ / form (trial.html) --- */
.equipment-item {
  border-radius: var(--r-xl) !important;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.equipment-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-salmon));
}
.equipment-item:nth-child(2)::before { background: linear-gradient(90deg, var(--c-salmon), var(--c-sky)); }
.equipment-item:nth-child(3)::before { background: linear-gradient(90deg, var(--c-sky), var(--c-gold)); }
.equipment-num {
  font-family: var(--font-en) !important;
  font-style: normal !important;
  font-weight: 700 !important;
  letter-spacing: -0.02em !important;
}
.equipment-item strong {
  font-family: var(--font-sans) !important;
  font-weight: 700 !important;
}

.faq-q,
.faq-q::before {
  font-family: var(--font-sans) !important;
  font-style: normal !important;
  font-weight: 700 !important;
}
.faq-q::before {
  color: var(--c-gold-deep) !important;
  font-weight: 800 !important;
  letter-spacing: 0.05em !important;
}

.form-card {
  border-radius: var(--r-xl) !important;
  box-shadow: var(--shadow-lg) !important;
  position: relative;
  overflow: hidden;
}
.form-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--c-gold), var(--c-salmon), var(--c-sky));
}
.form-card h3 {
  font-family: var(--font-sans) !important;
  font-weight: 700 !important;
}
.form-card .form-sub {
  font-family: var(--font-en) !important;
  font-style: normal !important;
  font-weight: 600 !important;
  letter-spacing: 0.18em !important;
}
.form-field label {
  font-family: var(--font-sans) !important;
  font-style: normal !important;
  font-weight: 600 !important;
  color: var(--c-text-body) !important;
  letter-spacing: 0.05em !important;
}
.form-field input,
.form-field select,
.form-field textarea {
  border-radius: var(--r-md) !important;
  border: 1.5px solid var(--c-border) !important;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--c-gold) !important;
  box-shadow: 0 0 0 4px rgba(201, 169, 110, 0.12);
}

/* Contact alt cards */
.contact-alt-grid > * {
  border-radius: var(--r-xl) !important;
  box-shadow: var(--shadow-sm);
  background: white;
}