/* ============================================================
   Future Academy — v2 (60-80 歳でも読める大きい文字 + 統一デザイン)
   ============================================================ */

:root {
    --fa-bg-deepest: #02030a;
    --fa-bg-deep: #050714;
    --fa-bg-mid: #0a1228;
    --fa-bg-light: #131e3a;
    --fa-blue-deep: #0a2a52;
    --fa-blue: #1a4a80;
    --fa-blue-light: #4a9eff;
    --fa-text: #ffffff;
    --fa-text-soft: #d8dee8;
    --fa-text-muted: #98a2b8;
    --fa-gold: #d4af6a;
    --fa-gold-light: #f5d99a;
    --fa-gold-dark: #a87f44;
    --fa-border-soft: rgba(74, 158, 255, 0.15);
    --fa-border-blue: rgba(74, 158, 255, 0.35);
    --fa-border-gold: rgba(212, 175, 106, 0.4);
    --fa-border-gold-strong: rgba(212, 175, 106, 0.7);

    --fa-font-jp: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
    --fa-font-display: 'Tenor Sans', 'Cormorant Garamond', serif;
    --fa-font-modern: 'Manrope', 'Inter', 'Helvetica Neue', sans-serif;

    --fa-ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ============================================================
   Base
   ============================================================ */
.fa-renewal {
    width: 100%;
    background: var(--fa-bg-deepest);
    color: var(--fa-text);
    font-family: var(--fa-font-jp);
    overflow-x: hidden;
    margin: 0;
    padding: 0;
    /* Base font size 上げる (お年寄り対応) */
    font-size: 18px;
    line-height: 1.7;
}
.fa-renewal *,
.fa-renewal *::before,
.fa-renewal *::after {
    box-sizing: border-box;
}
.fa-renewal a { color: inherit; }

/* ============================================================
   Header
   ============================================================ */
.fa-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 60px;
    /* 初期: 透明・ライン無し・大きいロゴが入る高さ */
    height: 180px;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    border-bottom: 1px solid transparent;
    transition: height 0.35s var(--fa-ease),
                background 0.35s var(--fa-ease),
                backdrop-filter 0.35s var(--fa-ease),
                border-bottom-color 0.35s var(--fa-ease);
}
/* スクロール後: ライン + 背景出現、高さ縮小 */
.fa-header.scrolled {
    height: 100px;
    background: rgba(2, 3, 10, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: var(--fa-border-soft);
}
.fa-header-logo {
    grid-column: 2;
    display: flex;
    align-items: center;
    justify-self: center;
    transition: transform 0.3s var(--fa-ease);
}
.fa-header-logo img {
    /* 初期: 大きい (ヘッダー高さ 180px に対して 150px = 約 83%) */
    height: 150px;
    width: auto;
    display: block;
    transition: height 0.35s var(--fa-ease);
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.5));
}
/* スクロール後: ヘッダー高さ 100px に対して 92px (92%) で大きく視認しやすく */
.fa-header.scrolled .fa-header-logo img {
    height: 92px;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}
.fa-header-nav {
    grid-column: 3;
    justify-self: end;
}
.fa-header .fa-nav-link {
    padding: 8px 18px;
    font-size: 14px;
}
.fa-header .fa-nav-btn {
    padding: 10px 22px;
    font-size: 13px;
}
.fa-header-nav {
    display: flex;
    gap: 10px;
    align-items: center;
}
.fa-nav-link {
    color: var(--fa-text);
    text-decoration: none;
    font-size: 16px;
    letter-spacing: 1.5px;
    padding: 12px 22px;
    transition: color 0.25s var(--fa-ease);
    font-family: var(--fa-font-jp);
    font-weight: 500;
}
.fa-nav-link:hover { color: var(--fa-blue-light); }
.fa-nav-btn {
    background: #000;
    color: #fff;
    font-weight: 700;
    padding: 14px 28px;
    font-size: 15px;
    letter-spacing: 2px;
    text-decoration: none;
    border: 1px solid var(--fa-border-gold);
    transition: all 0.3s var(--fa-ease);
    font-family: var(--fa-font-jp);
    position: relative;
    overflow: hidden;
}
.fa-nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 106, 0.25), transparent);
    transition: left 0.6s var(--fa-ease);
}
.fa-nav-btn:hover {
    border-color: var(--fa-gold);
    color: var(--fa-gold-light);
    box-shadow: 0 0 24px rgba(212, 175, 106, 0.3);
}
.fa-nav-btn:hover::before { left: 100%; }

/* ============================================================
   Hero
   ============================================================ */
.fa-hero {
    position: relative;
    min-height: 100vh;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at top, var(--fa-blue-deep) 0%, var(--fa-bg-deepest) 60%),
        var(--fa-bg-deepest);
}
.fa-hero-canvas {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
}
.fa-hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at center, transparent 0%, rgba(2, 3, 10, 0.5) 70%, rgba(2, 3, 10, 0.85) 100%),
        linear-gradient(180deg, rgba(2, 3, 10, 0.3) 0%, rgba(2, 3, 10, 0.7) 100%);
    z-index: 1;
    pointer-events: none;
}
.fa-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 120px 40px 80px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}
/* Hero のメインロゴ画像 (削除指示により非表示) */
.fa-hero-logo-image {
    display: none !important;
}

.fa-hero-subtitle {
    font-family: var(--fa-font-display);
    font-size: 16px;
    letter-spacing: 6px;
    color: var(--fa-gold);
    margin-bottom: 36px;
    opacity: 0;
    animation: fa-fade-up 1s var(--fa-ease) 0.3s forwards;
    text-transform: uppercase;
    display: none; /* ロゴ画像を使うので非表示 */
}
.fa-hero-title {
    font-family: var(--fa-font-display);
    font-size: clamp(80px, 10vw, 160px);
    font-weight: 400;
    letter-spacing: 8px;
    line-height: 1.0;
    margin: 0 0 40px;
    color: #ffffff;
    opacity: 0;
    animation: fa-fade-up 1.2s var(--fa-ease) 0.5s forwards;
}
.fa-hero-title-underline {
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--fa-gold) 50%, transparent 100%);
    margin: 0 auto 48px;
    opacity: 0;
    animation: fa-fade-in 0.8s var(--fa-ease) 0.9s forwards;
}
.fa-hero-lead {
    font-family: var(--fa-font-jp);
    font-size: clamp(28px, 2.6vw, 42px);
    font-weight: 700;
    letter-spacing: 4px;
    line-height: 1.5;
    color: var(--fa-text);
    margin: 0 0 24px;
    opacity: 0;
    animation: fa-fade-up 1s var(--fa-ease) 1.0s forwards;
}
.fa-hero-sub {
    font-family: var(--fa-font-jp);
    font-size: clamp(18px, 1.5vw, 24px);
    font-weight: 500;
    letter-spacing: 2px;
    line-height: 1.8;
    color: var(--fa-text-soft);
    margin: 0 0 56px;
    opacity: 0;
    animation: fa-fade-up 1s var(--fa-ease) 1.2s forwards;
}

/* Hero CTA (お年寄り対応で大きく) */
.fa-cta-wrap {
    opacity: 0;
    animation: fa-fade-up 1s var(--fa-ease) 1.4s forwards;
}
.fa-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 26px 72px;
    background: #000000;
    color: #ffffff;
    font-family: var(--fa-font-jp);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 4px;
    text-decoration: none;
    border: 1px solid var(--fa-gold);
    position: relative;
    overflow: hidden;
    transition: all 0.4s var(--fa-ease);
    cursor: pointer;
    box-shadow:
        0 10px 28px rgba(0, 0, 0, 0.5),
        inset 0 0 0 5px #000000,
        inset 0 0 0 6px rgba(212, 175, 106, 0.4);
}
.fa-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 106, 0.35), transparent);
    transition: left 0.6s var(--fa-ease);
    z-index: 0;
}
.fa-cta > * { position: relative; z-index: 1; }
.fa-cta:hover {
    color: #ffffff;
    border-color: var(--fa-gold-light);
    transform: translateY(-3px);
    box-shadow:
        0 16px 44px rgba(212, 175, 106, 0.4),
        0 0 80px rgba(212, 175, 106, 0.15),
        inset 0 0 0 5px #000000,
        inset 0 0 0 6px rgba(245, 217, 154, 0.8);
}
.fa-cta:hover::before { left: 100%; }
.fa-cta:active { transform: translateY(-1px); }
.fa-cta-arrow {
    display: inline-block;
    width: 24px;
    height: 1.5px;
    background: currentColor;
    position: relative;
    transition: width 0.3s var(--fa-ease);
}
.fa-cta-arrow::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    width: 8px;
    height: 8px;
    border-right: 1.5px solid currentColor;
    border-top: 1.5px solid currentColor;
    transform: translateY(-50%) rotate(45deg);
}
.fa-cta:hover .fa-cta-arrow { width: 36px; }

.fa-cta-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: scale(0);
    animation: fa-ripple 0.6s ease-out;
    pointer-events: none;
    z-index: 0;
}
@keyframes fa-ripple { to { transform: scale(4); opacity: 0; } }
@keyframes fa-fade-up { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fa-fade-in { from { opacity: 0; } to { opacity: 1; } }

.fa-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    opacity: 0;
    animation: fa-fade-in 1s var(--fa-ease) 2s forwards;
}
.fa-scroll-indicator-line {
    width: 1px;
    height: 50px;
    background: linear-gradient(180deg, transparent, var(--fa-gold), transparent);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}
.fa-scroll-indicator-line::after {
    content: '';
    position: absolute;
    top: -25px;
    left: 0;
    width: 100%;
    height: 25px;
    background: linear-gradient(180deg, transparent, var(--fa-gold-light));
    animation: fa-scroll-drop 2s ease-in-out infinite;
}
@keyframes fa-scroll-drop { 0% { top: -25px; } 100% { top: 50px; } }
.fa-scroll-indicator-text {
    font-family: var(--fa-font-display);
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--fa-gold);
    margin-top: 12px;
    text-align: center;
}

/* ============================================================
   Section base
   ============================================================ */
.fa-section {
    position: relative;
    padding: 140px 50px;
    background: var(--fa-bg-deepest);
    overflow: hidden;
}
.fa-section-inner {
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}
.fa-section-label {
    font-family: var(--fa-font-display);
    font-size: 14px;
    letter-spacing: 6px;
    color: var(--fa-gold);
    text-transform: uppercase;
    margin-bottom: 24px;
    text-align: center;
}
.fa-section-title {
    font-family: var(--fa-font-display);
    font-size: clamp(40px, 5vw, 72px);
    font-weight: 400;
    letter-spacing: 6px;
    line-height: 1.2;
    text-align: center;
    margin: 0 0 28px;
    color: var(--fa-text);
}
.fa-section-divider {
    width: 80px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--fa-gold), transparent);
    margin: 0 auto 70px;
}
.fa-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--fa-ease), transform 1s var(--fa-ease);
}
.fa-reveal.is-visible { opacity: 1; transform: translateY(0); }
.fa-reveal-delay-1 { transition-delay: 0.15s; }
.fa-reveal-delay-2 { transition-delay: 0.3s; }
.fa-reveal-delay-3 { transition-delay: 0.45s; }

/* ============================================================
   Philosophy (Canva 順序通り: 大見出し → 本文 → 2x2 グリッド)
   ============================================================ */
.fa-philosophy {
    background:
        radial-gradient(ellipse at 50% 0%, rgba(26, 74, 128, 0.18) 0%, transparent 60%),
        var(--fa-bg-deepest);
    padding: 140px 50px 0;
}
.fa-philosophy-headline {
    font-size: clamp(30px, 3vw, 48px);
    font-weight: 700;
    text-align: center;
    color: var(--fa-text);
    margin: 0 auto 80px;
    max-width: 1200px;
    line-height: 1.7;
    letter-spacing: 3px;
}
.fa-philosophy-body {
    max-width: 1000px;
    margin: 0 auto 100px;
    font-size: 19px;
    line-height: 2.2;
    color: var(--fa-text-soft);
    text-align: left;
}
.fa-philosophy-body p { margin-bottom: 24px; }
.fa-philosophy-body strong {
    color: var(--fa-text);
    font-weight: 700;
}

/* ============================================================
   Philosophy 2x2 Grid (Canva デザイン: 「学ぶ→稼ぐ」「AI×ブロックチェーン」)
   ============================================================ */
.fa-philosophy-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 0;
    margin-top: 0;
    width: 100%;
    max-width: 100%;
    margin-left: 0;
    margin-right: 0;
}
.fa-philosophy-cell {
    aspect-ratio: 3 / 2;
    position: relative;
    overflow: hidden;
}
.fa-philosophy-cell.text {
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    position: relative;
}
.fa-philosophy-cell.text canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}
.fa-philosophy-cell.text p {
    font-family: var(--fa-font-display);
    font-size: clamp(26px, 2.6vw, 44px);
    letter-spacing: 6px;
    line-height: 1.5;
    color: #ffffff;
    text-align: center;
    margin: 0;
    font-weight: 400;
    position: relative;
    z-index: 2;
}
.fa-philosophy-cell.image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ============================================================
   Learn cards
   ============================================================ */
.fa-learn {
    background: linear-gradient(180deg, var(--fa-bg-deepest) 0%, var(--fa-bg-deep) 50%, var(--fa-bg-deepest) 100%);
}
.fa-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1280px;
    margin: 0 auto;
}
.fa-card {
    background: linear-gradient(180deg, rgba(10, 18, 40, 0.7) 0%, rgba(5, 7, 20, 0.9) 100%);
    border: 1px solid var(--fa-border-soft);
    padding: 48px 36px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: all 0.5s var(--fa-ease);
}
.fa-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--fa-blue-light), transparent);
    transform: scaleX(0);
    transition: transform 0.5s var(--fa-ease);
}
.fa-card:hover {
    transform: translateY(-10px);
    border-color: var(--fa-border-blue);
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.5), 0 0 60px rgba(74, 158, 255, 0.12);
}
.fa-card:hover::before { transform: scaleX(1); }
.fa-card-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto 32px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(74, 158, 255, 0.15) 0%, transparent 70%);
    border: 1px solid var(--fa-border-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s var(--fa-ease);
}
.fa-card-icon svg {
    width: 44px;
    height: 44px;
    color: var(--fa-blue-light);
}
.fa-card:hover .fa-card-icon {
    background: radial-gradient(circle, rgba(74, 158, 255, 0.3) 0%, transparent 70%);
    border-color: var(--fa-blue-light);
    box-shadow: 0 0 30px rgba(74, 158, 255, 0.3);
}

/* 学べる内容カード上部の画像 */
.fa-card-image {
    width: calc(100% + 72px);
    aspect-ratio: 16 / 10;
    margin: -48px -36px 32px;
    overflow: hidden;
    border-bottom: 1px solid var(--fa-border-soft);
    position: relative;
}
.fa-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--fa-ease);
}
.fa-card-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(5, 7, 20, 0.5) 100%);
    pointer-events: none;
}
.fa-card:hover .fa-card-image img {
    transform: scale(1.08);
}
.fa-card-tag {
    font-family: var(--fa-font-display);
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--fa-gold);
    margin-bottom: 14px;
    text-align: center;
    text-transform: uppercase;
}
.fa-card-title {
    font-family: var(--fa-font-jp);
    font-size: 30px;
    font-weight: 700;
    margin: 0 0 28px;
    color: var(--fa-text);
    text-align: center;
    letter-spacing: 3px;
}
.fa-card-body {
    font-size: 17px;
    line-height: 2.0;
    color: var(--fa-text-soft);
    flex-grow: 1;
}

/* ============================================================
   Next Era
   ============================================================ */
.fa-next-era {
    padding: 160px 50px;
    background: var(--fa-bg-deepest);
    position: relative;
    overflow: hidden;
}
.fa-next-era-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 50%, rgba(74, 158, 255, 0.15) 0%, transparent 50%),
        var(--fa-bg-deepest);
    z-index: 0;
}
.fa-next-era-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(74, 158, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 158, 255, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: fa-grid-pan 20s linear infinite;
}
@keyframes fa-grid-pan { from { background-position: 0 0; } to { background-position: 60px 60px; } }

/* ============================================================
   About
   ============================================================ */
.fa-about { background: var(--fa-bg-deepest); padding: 140px 50px; }
.fa-about-logo-wrap { text-align: center; margin-bottom: 40px; }
.fa-about-logo {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 16px;
    border: 1px solid var(--fa-border-gold);
    border-radius: 50%;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(212, 175, 106, 0.08) 0%, transparent 70%);
}
.fa-about-logo-mark {
    font-family: var(--fa-font-display);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--fa-gold);
    text-align: center;
    line-height: 1.3;
}
.fa-about-logo-sub {
    font-size: 8px;
    letter-spacing: 2px;
    color: var(--fa-gold);
    margin-top: 4px;
    opacity: 0.7;
}
.fa-about-body {
    max-width: 960px;
    margin: 0 auto;
    font-size: 18px;
    line-height: 2.2;
    color: var(--fa-text-soft);
}
.fa-about-body p { margin-bottom: 28px; }

/* ============================================================
   Steps
   ============================================================ */
.fa-steps {
    background: linear-gradient(180deg, var(--fa-bg-deepest) 0%, var(--fa-bg-deep) 100%);
    padding: 140px 50px;
}
.fa-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
    max-width: 1280px;
    margin: 0 auto 80px;
    position: relative;
}
.fa-steps-grid::before {
    content: '';
    position: absolute;
    top: 60px;
    left: 16.67%;
    right: 16.67%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--fa-gold), transparent);
    opacity: 0.5;
}
.fa-step { text-align: center; position: relative; transition: transform 0.5s var(--fa-ease); }
.fa-step:hover { transform: translateY(-8px); }
.fa-step-number-wrap {
    width: 120px;
    height: 120px;
    margin: 0 auto 32px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.fa-step-number-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1px solid var(--fa-border-gold);
    background: radial-gradient(circle, var(--fa-bg-light) 0%, var(--fa-bg-deepest) 100%);
    transition: all 0.5s var(--fa-ease);
}
.fa-step:hover .fa-step-number-ring {
    box-shadow: 0 0 36px rgba(212, 175, 106, 0.4);
    border-color: var(--fa-gold);
}
.fa-step-number {
    position: relative;
    z-index: 1;
    font-family: var(--fa-font-display);
    font-size: 38px;
    font-weight: 500;
    color: var(--fa-gold);
}
.fa-step-label {
    font-family: var(--fa-font-display);
    font-size: 13px;
    letter-spacing: 4px;
    color: var(--fa-gold);
    margin-bottom: 16px;
    text-transform: uppercase;
}
.fa-step-title {
    font-size: 21px;
    font-weight: 700;
    margin: 0 0 20px;
    color: var(--fa-text);
    letter-spacing: 2px;
    line-height: 1.5;
}
.fa-step-body {
    font-size: 16px;
    line-height: 1.9;
    color: var(--fa-text-soft);
    max-width: 320px;
    margin: 0 auto;
}
.fa-mid-cta { text-align: center; padding: 60px 0 0; }

/* ============================================================
   Pricing
   ============================================================ */
.fa-pricing {
    background: var(--fa-bg-deepest);
    padding: 140px 50px 160px;
}
.fa-pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
    max-width: 1100px;
    margin: 0 auto;
}
.fa-pricing-card {
    background: linear-gradient(180deg, var(--fa-bg-light) 0%, var(--fa-bg-deep) 100%);
    border: 1px solid var(--fa-border-soft);
    padding: 56px 40px;
    text-align: center;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.5s var(--fa-ease);
    overflow: hidden;
}
.fa-pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--fa-border-blue);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 80px rgba(74, 158, 255, 0.15);
}
.fa-pricing-card.featured {
    border: 1px solid var(--fa-border-gold);
    box-shadow: 0 12px 44px rgba(212, 175, 106, 0.18);
}
.fa-pricing-card.featured::after {
    content: 'RECOMMENDED';
    position: absolute;
    top: 22px;
    right: -38px;
    transform: rotate(45deg);
    padding: 5px 40px;
    background: linear-gradient(135deg, var(--fa-gold-light), var(--fa-gold));
    color: #000;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
    font-family: var(--fa-font-modern);
}
.fa-pricing-tag {
    font-size: 16px;
    color: var(--fa-text-muted);
    letter-spacing: 1.5px;
    margin-bottom: 20px;
}
.fa-pricing-title {
    font-family: var(--fa-font-jp);
    font-size: 28px;
    font-weight: 700;
    color: var(--fa-gold);
    margin: 0 0 32px;
    letter-spacing: 2px;
}
.fa-pricing-price {
    font-family: var(--fa-font-modern);
    font-size: 68px;
    font-weight: 700;
    color: var(--fa-text);
    margin: 0 0 6px;
    line-height: 1;
}
.fa-pricing-price-unit {
    font-family: var(--fa-font-jp);
    font-size: 16px;
    color: var(--fa-text-muted);
    margin-bottom: 36px;
    letter-spacing: 1.5px;
}
.fa-pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 40px;
    text-align: left;
    flex-grow: 1;
}
.fa-pricing-features li {
    font-size: 16px;
    line-height: 1.8;
    color: var(--fa-text-soft);
    padding: 16px 0 16px 32px;
    position: relative;
    border-bottom: 1px solid var(--fa-border-soft);
}
.fa-pricing-features li:last-child { border-bottom: none; }
.fa-pricing-features li::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 24px;
    width: 10px;
    height: 5px;
    border-left: 2px solid var(--fa-gold);
    border-bottom: 2px solid var(--fa-gold);
    transform: rotate(-45deg);
}
.fa-pricing-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 22px 40px;
    background: #000;
    color: #fff;
    font-family: var(--fa-font-jp);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 3px;
    text-decoration: none;
    border: 1px solid var(--fa-border-gold);
    transition: all 0.4s var(--fa-ease);
    position: relative;
    overflow: hidden;
}
.fa-pricing-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 106, 0.3), transparent);
    transition: left 0.5s var(--fa-ease);
}
.fa-pricing-cta:hover {
    color: #fff;
    border-color: var(--fa-gold);
    box-shadow: 0 10px 28px rgba(212, 175, 106, 0.35);
    transform: translateY(-3px);
}
.fa-pricing-cta:hover::before { left: 100%; }

/* ============================================================
   Contact section (Canva デザイン再現: 横長帯 + 縦線区切り)
   ============================================================ */
.fa-contact {
    background: var(--fa-bg-deepest);
    padding: 0;
    position: relative;
    overflow: hidden;
}
.fa-contact-bar {
    background: #2a2d35;
    padding: 100px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0;
    width: 100%;
    border-top: 1px solid var(--fa-border-soft);
}
.fa-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 28px;
    padding: 0 40px;
    border-left: 1px solid rgba(255, 255, 255, 0.2);
}
.fa-contact-item:first-child {
    border-left: none;
    padding-left: 20px;
}
.fa-contact-item-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}
.fa-contact-item-icon svg {
    width: 100%;
    height: 100%;
    color: #ffffff;
    opacity: 0.85;
    stroke-width: 1;
}
.fa-contact-item-content {
    flex-grow: 1;
}
.fa-contact-item-label {
    font-family: var(--fa-font-jp);
    font-size: clamp(28px, 2.6vw, 42px);
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 1px;
    margin-bottom: 14px;
    line-height: 1.1;
    text-transform: uppercase;
}
.fa-contact-item-text {
    font-size: 16px;
    line-height: 1.9;
    color: #d0d4dc;
    font-family: var(--fa-font-jp);
}
.fa-contact-item-text a {
    color: #d0d4dc;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    transition: color 0.3s var(--fa-ease);
}
.fa-contact-item-text a:hover { color: var(--fa-gold-light); }

/* Contact Form Wrap (黒背景セクション、別エリア) */
.fa-contact-form-section {
    background: var(--fa-bg-deepest);
    padding: 140px 50px;
    position: relative;
    overflow: hidden;
}
.fa-contact-form-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top right, rgba(74, 158, 255, 0.12) 0%, transparent 50%);
    z-index: 0;
}

/* Contact form */
.fa-contact-form-wrap {
    max-width: 880px;
    margin: 0 auto;
    background: rgba(10, 18, 40, 0.5);
    border: 1px solid var(--fa-border-soft);
    padding: 64px 56px;
    position: relative;
    z-index: 1;
}
.fa-contact-form-section .fa-contact-form-wrap { z-index: 2; }
.fa-contact-form-title {
    font-family: var(--fa-font-display);
    font-size: 32px;
    letter-spacing: 6px;
    color: var(--fa-text);
    text-align: center;
    margin: 0 0 16px;
}
.fa-contact-form-sub {
    font-size: 16px;
    color: var(--fa-text-muted);
    text-align: center;
    margin: 0 0 48px;
    letter-spacing: 1px;
}
.fa-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}
.fa-form-row.full { grid-template-columns: 1fr; }
.fa-form-field {
    display: flex;
    flex-direction: column;
}
.fa-form-label {
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--fa-gold);
    margin-bottom: 10px;
    font-family: var(--fa-font-display);
    text-transform: uppercase;
}
.fa-form-input,
.fa-form-textarea {
    background: #000;
    border: 1px solid var(--fa-border-soft);
    color: var(--fa-text);
    font-family: var(--fa-font-jp);
    font-size: 17px;
    padding: 18px 22px;
    transition: border-color 0.3s var(--fa-ease), box-shadow 0.3s var(--fa-ease);
    width: 100%;
}
.fa-form-input:focus,
.fa-form-textarea:focus {
    outline: none;
    border-color: var(--fa-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 106, 0.15);
}
.fa-form-input::placeholder,
.fa-form-textarea::placeholder { color: var(--fa-text-muted); }
.fa-form-textarea {
    resize: vertical;
    min-height: 160px;
    font-family: var(--fa-font-jp);
    line-height: 1.7;
}
.fa-form-submit-wrap { text-align: center; margin-top: 32px; }
.fa-form-submit {
    background: #000;
    color: #fff;
    font-family: var(--fa-font-jp);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 4px;
    padding: 22px 64px;
    border: 1px solid var(--fa-gold);
    cursor: pointer;
    transition: all 0.4s var(--fa-ease);
    position: relative;
    overflow: hidden;
}
.fa-form-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 106, 0.3), transparent);
    transition: left 0.5s var(--fa-ease);
}
.fa-form-submit:hover {
    border-color: var(--fa-gold-light);
    box-shadow: 0 0 30px rgba(212, 175, 106, 0.3);
    transform: translateY(-2px);
}
.fa-form-submit:hover::before { left: 100%; }

/* ============================================================
   Apps セクション (Future Academy デザイン統一、機能は維持)
   ============================================================ */
.fa-apps {
    background: var(--fa-bg-deepest);
    padding: 140px 50px;
    position: relative;
    overflow: hidden;
}
.fa-apps-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}
.fa-apps-info {
    text-align: left;
}
.fa-apps-info-text {
    font-size: 17px;
    line-height: 2.0;
    color: var(--fa-text-soft);
    margin-bottom: 48px;
}
.fa-apps-platforms {
    display: flex;
    flex-direction: column;
    gap: 32px;
}
.fa-apps-platform {
    padding: 28px;
    background: rgba(10, 18, 40, 0.5);
    border: 1px solid var(--fa-border-soft);
    display: flex;
    align-items: center;
    gap: 24px;
    transition: all 0.4s var(--fa-ease);
}
.fa-apps-platform:hover {
    border-color: var(--fa-border-blue);
    transform: translateX(4px);
}
.fa-apps-platform-qr {
    width: 110px;
    height: 110px;
    flex-shrink: 0;
    background: #fff;
    padding: 6px;
}
.fa-apps-platform-qr img {
    width: 100%;
    height: 100%;
}
.fa-apps-platform-info {
    flex-grow: 1;
}
.fa-apps-platform-label {
    font-family: var(--fa-font-display);
    font-size: 16px;
    letter-spacing: 4px;
    color: var(--fa-gold);
    margin-bottom: 12px;
    text-transform: uppercase;
}
.fa-apps-platform-link {
    color: var(--fa-text);
    text-decoration: none;
    font-size: 13px;
    word-break: break-all;
    line-height: 1.6;
    display: inline-block;
    border-bottom: 1px solid var(--fa-border-gold);
    transition: color 0.3s var(--fa-ease);
}
.fa-apps-platform-link:hover { color: var(--fa-gold-light); }
.fa-apps-visual {
    text-align: center;
    position: relative;
}
.fa-apps-visual img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.6));
}

/* ============================================================
   Books セクション (Future Academy デザイン統一)
   ============================================================ */
.fa-books {
    background: linear-gradient(180deg, var(--fa-bg-deepest) 0%, var(--fa-bg-deep) 50%, var(--fa-bg-deepest) 100%);
    padding: 140px 50px;
}
.fa-books-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1280px;
    margin: 0 auto;
}
.fa-book {
    background: linear-gradient(180deg, rgba(10, 18, 40, 0.5) 0%, rgba(5, 7, 20, 0.7) 100%);
    border: 1px solid var(--fa-border-soft);
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    transition: all 0.5s var(--fa-ease);
    position: relative;
    overflow: hidden;
}
.fa-book::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--fa-gold), transparent);
    transform: scaleX(0);
    transition: transform 0.5s var(--fa-ease);
}
.fa-book:hover {
    transform: translateY(-10px);
    border-color: var(--fa-border-gold);
    box-shadow: 0 24px 56px rgba(0, 0, 0, 0.5), 0 0 60px rgba(212, 175, 106, 0.12);
}
.fa-book:hover::before { transform: scaleX(1); }
.fa-book-image {
    width: 100%;
    overflow: hidden;
    margin-bottom: 28px;
    transition: transform 0.5s var(--fa-ease);
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    padding: 20px;
}
.fa-book-image img {
    max-width: 100%;
    width: auto;
    height: auto;
    max-height: 320px;
    object-fit: contain;
    transition: transform 0.6s var(--fa-ease);
    display: inline-block;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.5));
}
.fa-book:hover .fa-book-image img { transform: scale(1.05); }
.fa-book-title {
    font-family: var(--fa-font-jp);
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--fa-text);
    letter-spacing: 1.5px;
    line-height: 1.4;
}
.fa-book-meta {
    font-size: 13px;
    color: var(--fa-text-muted);
    margin-bottom: 20px;
    letter-spacing: 1px;
}
.fa-book-meta-author { color: var(--fa-gold); }
.fa-book-description {
    font-size: 15px;
    line-height: 1.9;
    color: var(--fa-text-soft);
    margin-bottom: 28px;
    flex-grow: 1;
}
.fa-book-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    background: #000;
    color: #fff;
    font-family: var(--fa-font-jp);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    text-decoration: none;
    border: 1px solid var(--fa-border-gold);
    transition: all 0.3s var(--fa-ease);
    align-self: flex-start;
    position: relative;
    overflow: hidden;
}
.fa-book-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 106, 0.3), transparent);
    transition: left 0.5s var(--fa-ease);
}
.fa-book-cta:hover {
    color: #fff;
    border-color: var(--fa-gold);
    box-shadow: 0 6px 20px rgba(212, 175, 106, 0.3);
}
.fa-book-cta:hover::before { left: 100%; }

/* ============================================================
   Footer
   ============================================================ */
.fa-footer {
    background: #000;
    padding: 60px 50px 40px;
    text-align: center;
    border-top: 1px solid var(--fa-border-soft);
}
.fa-footer-links {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 32px;
}
.fa-footer-links a {
    color: var(--fa-text-soft);
    text-decoration: none;
    font-size: 15px;
    letter-spacing: 2px;
    transition: color 0.3s var(--fa-ease);
}
.fa-footer-links a:hover { color: var(--fa-gold); }
.fa-footer-copy {
    font-size: 13px;
    color: var(--fa-text-muted);
    letter-spacing: 2px;
}

/* ============================================================
   Responsive
   ============================================================ */
/* タブレット (641-1024) */
@media (max-width: 1024px) {
    .fa-header { height: 110px; padding: 0 30px; }
    .fa-header.scrolled { height: 70px; padding: 0 30px; }
    .fa-header-logo img { height: 90px; }
    .fa-header.scrolled .fa-header-logo img { height: 60px; }
    .fa-section { padding: 90px 24px; }
    .fa-philosophy { padding: 90px 24px 0; }
    .fa-cards-grid { grid-template-columns: 1fr; gap: 28px; max-width: 600px; }
    .fa-steps-grid { grid-template-columns: 1fr; gap: 56px; }
    .fa-steps-grid::before { display: none; }
    .fa-pricing-grid { grid-template-columns: 1fr; max-width: 540px; }
    .fa-apps-grid { grid-template-columns: 1fr; gap: 48px; }
    .fa-books-grid { grid-template-columns: 1fr; gap: 32px; max-width: 500px; }
    .fa-philosophy-grid { grid-template-columns: 1fr; }
    .fa-philosophy-cell { aspect-ratio: 16 / 9; }
    .fa-contact-bar { grid-template-columns: 1fr; padding: 60px 30px; gap: 40px; }
    .fa-contact-item { border-left: none; padding-left: 20px; border-bottom: 1px solid rgba(255, 255, 255, 0.15); padding-bottom: 40px; }
    .fa-contact-item:last-child { border-bottom: none; padding-bottom: 0; }
    .fa-form-row { grid-template-columns: 1fr; }
    .fa-contact-form-wrap { padding: 48px 32px; }
}

/* モバイル (640 以下) */
@media (max-width: 640px) {
    .fa-renewal { font-size: 16px; }

    /* ヘッダー: ロゴ中央、ナビは右、コンパクト化 */
    .fa-header {
        padding: 0 14px;
        height: 80px;
        grid-template-columns: 1fr auto;
    }
    .fa-header.scrolled { height: 64px; }
    .fa-header-logo {
        grid-column: 1;
        justify-self: start;
    }
    .fa-header-logo img { height: 60px; }
    .fa-header.scrolled .fa-header-logo img { height: 48px; }
    .fa-header-nav {
        grid-column: 2;
        justify-self: end;
        gap: 4px;
    }
    .fa-header .fa-nav-link { padding: 6px 8px; font-size: 12px; letter-spacing: 1px; }
    .fa-header .fa-nav-btn { padding: 8px 12px; font-size: 11px; letter-spacing: 0.5px; }

    /* Hero (中央揃え + 余白意識 + はみ出し防止) */
    .fa-hero { min-height: 90vh; }
    .fa-hero-content {
        padding: 100px 24px 60px;
        text-align: center;
        max-width: 100%;
        box-sizing: border-box;
    }
    .fa-hero-title {
        font-size: clamp(38px, 11vw, 60px);
        letter-spacing: 1.5px;
        margin: 0 auto 24px;
        max-width: 100%;
        word-break: keep-all;
        text-align: center;
    }
    .fa-hero-title-underline { margin: 0 auto 28px; }
    .fa-hero-lead {
        font-size: clamp(18px, 5vw, 24px);
        letter-spacing: 1.5px;
        margin: 0 auto 14px;
        max-width: 90%;
        text-align: center;
        line-height: 1.5;
    }
    .fa-hero-sub {
        font-size: 14px;
        letter-spacing: 0.5px;
        margin: 0 auto 36px;
        line-height: 1.7;
        max-width: 90%;
        text-align: center;
    }
    .fa-cta {
        padding: 16px 32px;
        font-size: 15px;
        letter-spacing: 2px;
        gap: 12px;
        max-width: 90%;
    }
    .fa-scroll-indicator { bottom: 20px; }
    .fa-scroll-indicator-line { height: 36px; }

    /* セクション共通 */
    .fa-section { padding: 70px 18px; }
    .fa-section-label { font-size: 11px; letter-spacing: 4px; margin-bottom: 14px; }
    .fa-section-title {
        font-size: clamp(28px, 7vw, 40px);
        letter-spacing: 3px;
        margin-bottom: 20px;
    }
    .fa-section-divider { margin-bottom: 48px; }

    /* Philosophy (モバイルは画像セル非表示でテキストのみ綺麗に) */
    .fa-philosophy { padding: 70px 18px 0; }
    .fa-philosophy-headline {
        font-size: clamp(22px, 5.5vw, 32px);
        letter-spacing: 2px;
        margin-bottom: 48px;
        line-height: 1.6;
    }
    .fa-philosophy-body {
        font-size: 15px;
        line-height: 2.0;
        margin-bottom: 60px;
    }
    .fa-philosophy-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
        gap: 24px;
        padding: 0 18px 70px;
    }
    /* モバイルでは画像セルを非表示にして、テキストセルだけ並べる */
    .fa-philosophy-cell.image { display: none; }
    .fa-philosophy-cell.text {
        aspect-ratio: auto;
        padding: 56px 28px;
        min-height: 240px;
        border: 1px solid var(--fa-border-gold);
        position: relative;
    }
    /* テキストセル上下にゴールドの装飾ライン */
    .fa-philosophy-cell.text::before,
    .fa-philosophy-cell.text::after {
        content: '';
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        width: 40px;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--fa-gold), transparent);
    }
    .fa-philosophy-cell.text::before { top: 20px; }
    .fa-philosophy-cell.text::after { bottom: 20px; }
    .fa-philosophy-cell.text p {
        font-size: clamp(20px, 5.5vw, 28px);
        letter-spacing: 2px;
        line-height: 1.7;
    }

    /* Learn cards */
    .fa-card { padding: 32px 24px; }
    .fa-card-image {
        width: calc(100% + 48px);
        margin: -32px -24px 28px;
    }
    .fa-card-title { font-size: 22px; letter-spacing: 2px; }
    .fa-card-body { font-size: 15px; }

    /* Next Era */
    .fa-next-era { padding: 100px 18px; }

    /* About */
    .fa-about-body { font-size: 15px; line-height: 2.0; }
    .fa-about-logo { width: 90px; height: 90px; }
    .fa-about-logo-mark { font-size: 11px; }

    /* Steps */
    .fa-step-number-wrap { width: 96px; height: 96px; }
    .fa-step-number { font-size: 28px; }
    .fa-step-title { font-size: 18px; }
    .fa-step-body { font-size: 14px; }

    /* Pricing */
    .fa-pricing-card { padding: 40px 24px; }
    .fa-pricing-title { font-size: 22px; }
    .fa-pricing-price { font-size: 52px; }
    .fa-pricing-features li { font-size: 14px; padding: 12px 0 12px 28px; }
    .fa-pricing-cta { padding: 18px 28px; font-size: 14px; letter-spacing: 2px; }

    /* Apps (タイトル改行防止 + テキスト→画像→QR の構成) */
    .fa-apps .fa-section-title {
        font-size: clamp(20px, 5.2vw, 30px);
        letter-spacing: 1.5px;
        white-space: nowrap;
    }
    .fa-apps-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    /* モバイル: テキスト → 画像 → QR の順 */
    .fa-apps-info {
        display: contents; /* 子を直接 grid に配置 */
    }
    .fa-apps-info-text {
        order: 1;
        font-size: 15px;
        line-height: 1.9;
        margin-bottom: 8px;
        text-align: center;
    }
    .fa-apps-visual {
        order: 2;
        text-align: center;
    }
    .fa-apps-visual img { max-width: 260px; margin: 0 auto; }
    .fa-apps-platforms {
        order: 3;
        gap: 20px;
    }
    .fa-apps-platform {
        padding: 20px;
        gap: 20px;
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
    }
    .fa-apps-platform-qr { width: 90px; height: 90px; flex-shrink: 0; }
    .fa-apps-platform-info { min-width: 0; flex: 1; }
    .fa-apps-platform-label { font-size: 14px; letter-spacing: 3px; }
    .fa-apps-platform-link { font-size: 11px; word-break: break-all; }

    /* Books */
    .fa-book { padding: 28px 22px; }
    .fa-book-image { padding: 16px; }
    .fa-book-image img { max-height: 280px; }
    .fa-book-title { font-size: 20px; }
    .fa-book-description { font-size: 14px; line-height: 1.8; }

    /* Contact bar (横帯 → 縦並びカード化) */
    .fa-contact-bar { padding: 50px 18px; gap: 36px; }
    .fa-contact-item { padding: 0 0 36px 0; gap: 20px; }
    .fa-contact-item-icon { width: 40px; height: 40px; }
    .fa-contact-item-label { font-size: clamp(24px, 7vw, 36px); margin-bottom: 10px; }
    .fa-contact-item-text { font-size: 14px; }

    /* Contact form */
    .fa-contact-form-section { padding: 80px 18px; }
    .fa-contact-form-wrap { padding: 32px 20px; }
    .fa-contact-form-title { font-size: 26px; letter-spacing: 3px; }
    .fa-contact-form-sub { font-size: 14px; margin-bottom: 36px; }
    .fa-form-input, .fa-form-textarea { padding: 14px 16px; font-size: 16px; }
    .fa-form-submit { padding: 18px 40px; font-size: 15px; letter-spacing: 3px; }

    /* Footer */
    .fa-footer { padding: 40px 20px 32px; }
    .fa-footer-links { gap: 24px; flex-wrap: wrap; }
    .fa-footer-links a { font-size: 13px; }
    .fa-footer-copy { font-size: 12px; }
}

/* 極小スマホ (380 以下: iPhone SE 等) */
@media (max-width: 380px) {
    .fa-header-logo img { height: 52px; }
    .fa-header.scrolled .fa-header-logo img { height: 42px; }
    .fa-header .fa-nav-link { padding: 6px 6px; font-size: 11px; }
    .fa-header .fa-nav-btn { padding: 6px 10px; font-size: 10px; }
    .fa-hero-title { font-size: clamp(38px, 13vw, 60px); letter-spacing: 2px; }
}