/* =====================================================
   LINE公式アカウント構築 — Premium Design 120pt
   page-line-system.php 専用CSS

   Design: LINE Green × Black — Asset / Revenue / DX
   Glassmorphism × Micro-interactions × Depth
===================================================== */

/* ==========================================================================
   0. DESIGN TOKENS
   ========================================================================== */

.ln-hero--premium,
.ln-problems,
.ln-solution,
.ln-crm,
.ln-segment,
.ln-usecase,
.ln-reservation,
.ln-as-hp,
.ln-ai,
.ln-plans,
.ln-trust,
.ln-flow,
.ln-faq,
.ln-cross,
.ln-cta--mid,
.ln-cta--final {
    --ln: #06c755;
    --ln-dark: #059b44;
    --ln-vivid: #34d278;
    --ln-sky: #86efac;
    --ln-pale: #bbf7d0;
    --ln-glow: rgba(6, 199, 85, 0.50);
    --ln-subtle: rgba(6, 199, 85, 0.06);
    --ln-tint: rgba(6, 199, 85, 0.12);
    --ln-border: rgba(6, 199, 85, 0.18);
    --ln-surface: rgba(255, 255, 255, 0.03);
    --ln-glass: linear-gradient(135deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.02) 100%);
    --ln-glass-border: rgba(255, 255, 255, 0.08);
    --ln-glass-shine: inset 0 1px 0 rgba(255,255,255,0.08);
    --ln-shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
    --ln-shadow-md: 0 8px 32px rgba(0,0,0,0.25);
    --ln-shadow-lg: 0 16px 64px rgba(0,0,0,0.35);
    --ln-shadow-glow: 0 0 40px rgba(6,199,85,0.08);
    --ln-red: #EF4444;
    --ln-red-subtle: rgba(239, 68, 68, 0.06);
    --ln-radius: 16px;
    --ln-radius-lg: 24px;
    --ln-radius-pill: 100px;
}

/* Override section-title gradient text — bright on dark */
.ln-problems .section-title,
.ln-solution .section-title,
.ln-crm .section-title,
.ln-segment .section-title,
.ln-usecase .section-title,
.ln-reservation .section-title,
.ln-as-hp .section-title,
.ln-ai .section-title,
.ln-plans .section-title,
.ln-trust .section-title,
.ln-flow .section-title,
.ln-faq .section-title {
    background: linear-gradient(135deg, #ffffff 0%, #BBF7D0 40%, #4ADE80 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 2px 8px rgba(6, 199, 85, 0.25));
    text-shadow: none;
}

/* Override orange underlines → green */
.ln-problems .section-title::after,
.ln-solution .section-title::after,
.ln-crm .section-title::after,
.ln-segment .section-title::after,
.ln-usecase .section-title::after,
.ln-reservation .section-title::after,
.ln-as-hp .section-title::after,
.ln-ai .section-title::after,
.ln-plans .section-title::after,
.ln-trust .section-title::after,
.ln-flow .section-title::after,
.ln-faq .section-title::after {
    background: linear-gradient(90deg, var(--ln), var(--ln-vivid)) !important;
}

/* Override card hover glow → green */
.ln-problem-card:hover,
.ln-segment-card:hover,
.ln-reservation-card:hover,
.ln-usecase-card:hover,
.ln-plan-card:hover {
    box-shadow:
        var(--ln-shadow-md),
        0 0 40px rgba(6, 199, 85, 0.06),
        var(--ln-glass-shine) !important;
}


/* ==========================================================================
   1. HERO — Cinematic First View
   ========================================================================== */

.ln-hero--premium {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.ln-hero--premium .service-hero-bg {
    background: #040f0a;
}

/* Grid */
.ln-hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(6,199,85,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(6,199,85,0.05) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 20%, transparent 70%);
    animation: lnGridDrift 20s linear infinite;
}

@keyframes lnGridDrift {
    0% { background-position: 0 0; }
    100% { background-position: 80px 80px; }
}

/* Gradient */
.ln-gradient--green {
    background:
        radial-gradient(ellipse 600px 600px at 25% 40%, rgba(6,199,85,0.18) 0%, transparent 70%),
        radial-gradient(ellipse 400px 400px at 75% 25%, rgba(52,210,120,0.10) 0%, transparent 60%),
        radial-gradient(ellipse 300px 300px at 60% 80%, rgba(5,155,68,0.08) 0%, transparent 60%);
    animation: lnHeroGlow 12s ease-in-out infinite alternate;
}

@keyframes lnHeroGlow {
    0% { opacity: 1; }
    100% { opacity: 0.7; transform: scale(1.05); }
}

/* Orbs */
.ln-hero-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.ln-hero-orb--1 {
    width: 420px;
    height: 420px;
    top: 8%;
    left: -6%;
    background: radial-gradient(circle, rgba(6,199,85,0.12) 0%, transparent 70%);
    animation: lnOrb1 18s ease-in-out infinite;
}

.ln-hero-orb--2 {
    width: 320px;
    height: 320px;
    bottom: 5%;
    right: -4%;
    background: radial-gradient(circle, rgba(52,210,120,0.10) 0%, transparent 70%);
    animation: lnOrb2 22s ease-in-out infinite;
}

.ln-hero-orb--3 {
    width: 220px;
    height: 220px;
    top: 55%;
    left: 38%;
    background: radial-gradient(circle, rgba(6,199,85,0.07) 0%, transparent 70%);
    animation: lnOrb3 15s ease-in-out infinite;
}

@keyframes lnOrb1 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(30px, -20px); }
    66% { transform: translate(-15px, 25px); }
}

@keyframes lnOrb2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-25px, -30px); }
}

@keyframes lnOrb3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -15px) scale(1.1); }
}

/* Badge */
.ln-badge--strategy {
    background: rgba(6,199,85,0.10);
    border-color: rgba(6,199,85,0.30);
    color: var(--ln-vivid);
    font-size: 13px;
    letter-spacing: 1.5px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.ln-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--ln);
    border-radius: 50%;
    display: inline-block;
    animation: lnDotPulse 2s ease-in-out infinite;
    box-shadow: 0 0 8px var(--ln-glow);
}

@keyframes lnDotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.7); }
}

/* Title */
.ln-title--strategy {
    font-size: clamp(2rem, 5vw, 3.2rem);
    line-height: 1.55;
    letter-spacing: 0.03em;
    font-weight: 900;
}

.ln-title-accent {
    background: linear-gradient(135deg, var(--ln-sky) 0%, var(--ln-vivid) 40%, var(--ln) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 24px rgba(6,199,85,0.3));
}

/* Hero Badges */
.ln-hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 2.5rem;
}

.ln-badge-item {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 22px;
    border-radius: var(--ln-radius);
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.ln-badge--green {
    background: var(--ln-glass);
    border: 1px solid var(--ln-border);
    color: rgba(255,255,255,0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-sm);
}

.ln-badge--green:hover {
    border-color: var(--ln);
    background: var(--ln-tint);
    transform: translateY(-2px);
    box-shadow:
        var(--ln-glass-shine),
        var(--ln-shadow-md),
        0 0 24px rgba(6,199,85,0.12);
}

.ln-badge-icon {
    display: flex;
    color: var(--ln);
    filter: drop-shadow(0 0 6px rgba(6,199,85,0.4));
}

/* Hero CTA */
.ln-hero-cta,
.ln-final-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
    margin-top: 2.5rem;
}


/* ==========================================================================
   2. PROBLEMS — Pain + Loss
   ========================================================================== */

.ln-problems {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.ln-problems::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(239,68,68,0.04) 0%, transparent 60%);
    pointer-events: none;
}

.ln-problems-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 3rem;
}

.ln-problem-card {
    background: var(--ln-glass);
    border: 1px solid var(--ln-glass-border);
    border-radius: var(--ln-radius);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-sm);
}

.ln-problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 20%, rgba(239,68,68,0.3) 50%, transparent 80%);
    opacity: 0;
    transition: opacity 0.4s;
}

.ln-problem-card::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -40%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(239,68,68,0.04) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s;
}

.ln-problem-card:hover {
    border-color: rgba(239,68,68,0.20);
    transform: translateY(-5px);
}

.ln-problem-card:hover::before { opacity: 1; }
.ln-problem-card:hover::after { opacity: 1; }

.ln-problem-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(239,68,68,0.12), rgba(239,68,68,0.04));
    border: 1px solid rgba(239,68,68,0.12);
    border-radius: 16px;
    margin: 0 auto 16px;
    color: rgba(239,68,68,0.6);
    transition: all 0.3s;
}

.ln-problem-card:hover .ln-problem-icon {
    color: rgba(239,68,68,0.85);
    box-shadow: 0 0 24px rgba(239,68,68,0.10);
    background: linear-gradient(135deg, rgba(239,68,68,0.16), rgba(239,68,68,0.08));
}

.ln-problem-text {
    font-size: 0.92rem;
    line-height: 1.75;
    color: rgba(255,255,255,0.78);
    font-weight: 600;
    margin-bottom: 0;
}

.ln-problem-loss {
    font-size: 0.78rem;
    line-height: 1.6;
    color: rgba(239,68,68,0.55);
    font-weight: 500;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(239,68,68,0.08);
    position: relative;
}

.ln-problem-loss::before {
    content: '→';
    margin-right: 4px;
    opacity: 0.5;
}


/* ==========================================================================
   3. SOLUTION — Flow Diagram
   ========================================================================== */

.ln-solution {
    padding: 100px 0;
    position: relative;
}

.ln-solution::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(6,199,85,0.03) 0%, transparent 60%);
    pointer-events: none;
}

.ln-solution-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0;
    margin-top: 3rem;
    padding: 36px 28px;
    background: var(--ln-glass);
    border: 1px solid var(--ln-glass-border);
    border-radius: var(--ln-radius-lg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-lg);
    position: relative;
    overflow: hidden;
}

.ln-solution-flow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--ln), var(--ln-vivid), transparent);
}

.ln-solution-flow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(6,199,85,0.15), transparent);
}

.ln-solution-step {
    flex: 0 0 auto;
    width: 150px;
    text-align: center;
    padding: 20px 14px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.ln-solution-step:hover {
    transform: translateY(-4px);
}

.ln-solution-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ln-tint), var(--ln-subtle));
    border: 1px solid var(--ln-border);
    border-radius: 16px;
    margin: 0 auto 12px;
    color: var(--ln);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 16px rgba(6,199,85,0.08);
}

.ln-solution-step:hover .ln-solution-icon {
    background: linear-gradient(135deg, rgba(6,199,85,0.22), rgba(6,199,85,0.12));
    border-color: var(--ln);
    box-shadow: 0 0 32px var(--ln-glow);
    transform: scale(1.08);
}

.ln-solution-step strong {
    display: block;
    font-size: 0.84rem;
    color: #fff;
    margin-bottom: 6px;
    font-weight: 700;
}

.ln-solution-step p {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.50);
    line-height: 1.6;
    margin: 0;
}

.ln-solution-arrow {
    display: flex;
    align-items: center;
    color: var(--ln);
    opacity: 0.25;
    padding: 0 3px;
    animation: lnArrowFlow 2.5s ease-in-out infinite;
}

@keyframes lnArrowFlow {
    0%, 100% { opacity: 0.15; transform: translateX(0); }
    50% { opacity: 0.45; transform: translateX(4px); }
}

.ln-solution-note {
    max-width: 700px;
    margin: 2.5rem auto 0;
    text-align: center;
    padding: 28px 36px;
    background: var(--ln-glass);
    border: 1px solid var(--ln-border);
    border-radius: var(--ln-radius);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-md), var(--ln-shadow-glow);
    position: relative;
    overflow: hidden;
}

.ln-solution-note::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--ln), var(--ln-vivid));
    border-radius: 3px;
}

.ln-solution-note p {
    font-size: 0.95rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.82);
    margin: 0;
}

.ln-solution-note strong {
    color: var(--ln);
}


/* ==========================================================================
   4. CRM + TAG DESIGN
   ========================================================================== */

.ln-crm {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.ln-crm::before {
    content: '';
    position: absolute;
    top: 40%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6,199,85,0.03) 0%, transparent 60%);
    pointer-events: none;
}

.ln-crm-content {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    margin-top: 3rem;
}

.ln-crm-card {
    flex: 1;
    max-width: 380px;
    background: var(--ln-glass);
    border: 1px solid var(--ln-glass-border);
    border-radius: var(--ln-radius-lg);
    padding: 32px 26px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-md);
    position: relative;
    overflow: hidden;
}

.ln-crm-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.ln-crm-card--result {
    border-color: var(--ln-border);
    background: linear-gradient(135deg, rgba(6,199,85,0.08), rgba(6,199,85,0.02));
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-lg), var(--ln-shadow-glow);
}

.ln-crm-card--result::before {
    background: linear-gradient(90deg, transparent, var(--ln), transparent);
}

.ln-crm-card-title {
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.ln-crm-card--result .ln-crm-card-title {
    color: var(--ln);
    border-bottom-color: var(--ln-border);
}

.ln-crm-items {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ln-crm-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.75);
    padding: 8px 12px;
    border-radius: 10px;
    transition: all 0.25s;
}

.ln-crm-item:hover {
    background: rgba(255,255,255,0.04);
    transform: translateX(4px);
}

.ln-crm-item-icon {
    display: flex;
    color: rgba(255,255,255,0.35);
    flex-shrink: 0;
    transition: color 0.3s;
}

.ln-crm-card--result .ln-crm-item-icon {
    color: var(--ln);
}

.ln-crm-item:hover .ln-crm-item-icon {
    color: var(--ln);
}

.ln-crm-arrow-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    min-width: 90px;
}

.ln-crm-arrow-big {
    color: var(--ln);
    margin-bottom: 10px;
    filter: drop-shadow(0 0 10px var(--ln-glow));
    animation: lnArrowFlow 2.5s ease-in-out infinite;
}

.ln-crm-arrow-block span {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--ln);
    white-space: nowrap;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ── Tag Design — Premium Visual ── */

.ln-tag-design {
    margin-top: 4rem;
    padding: 40px 36px;
    background: var(--ln-glass);
    border: 1px solid var(--ln-border);
    border-radius: var(--ln-radius-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow:
        var(--ln-glass-shine),
        var(--ln-shadow-lg),
        0 0 60px rgba(6,199,85,0.06);
    position: relative;
    overflow: hidden;
}

.ln-tag-design::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 10%, var(--ln), var(--ln-vivid), transparent 90%);
}

.ln-tag-design::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse 30% 20% at 50% 0%, rgba(6,199,85,0.06) 0%, transparent 60%);
    pointer-events: none;
}

.ln-tag-design-title {
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 28px;
    text-align: center;
    letter-spacing: 0.04em;
    position: relative;
    z-index: 1;
    background: linear-gradient(135deg, var(--ln-sky), var(--ln));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 16px rgba(6,199,85,0.2));
}

.ln-tag-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
    z-index: 1;
}

.ln-tag-category {
    padding: 20px 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 14px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.ln-tag-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--ln), var(--ln-vivid));
    transition: width 0.4s;
}

.ln-tag-category:hover {
    border-color: var(--ln-border);
    background: rgba(6,199,85,0.04);
    transform: translateY(-3px);
    box-shadow: var(--ln-shadow-md), 0 0 30px rgba(6,199,85,0.05);
}

.ln-tag-category:hover::before {
    width: 80%;
}

.ln-tag-cat-label {
    font-size: 0.68rem;
    font-weight: 800;
    color: var(--ln);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(6,199,85,0.10);
    position: relative;
}

.ln-tag-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
}

.ln-tag {
    padding: 5px 14px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--ln-radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.65);
    transition: all 0.3s;
    cursor: default;
}

.ln-tag:hover {
    border-color: var(--ln-border);
    color: var(--ln-vivid);
    background: var(--ln-subtle);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(6,199,85,0.08);
}

.ln-tag--green  { background: rgba(34,197,94,0.12);  border-color: rgba(34,197,94,0.22);  color: #22c55e; }
.ln-tag--blue   { background: rgba(59,130,246,0.12);  border-color: rgba(59,130,246,0.22);  color: #3b82f6; }
.ln-tag--gold   { background: rgba(234,179,8,0.12);   border-color: rgba(234,179,8,0.22);   color: #eab308; }
.ln-tag--orange { background: rgba(249,115,22,0.12);  border-color: rgba(249,115,22,0.22);  color: #f97316; }
.ln-tag--purple { background: rgba(139,92,246,0.12);  border-color: rgba(139,92,246,0.22);  color: #8b5cf6; }

.ln-tag--green:hover  { background: rgba(34,197,94,0.20);  box-shadow: 0 0 16px rgba(34,197,94,0.15); }
.ln-tag--blue:hover   { background: rgba(59,130,246,0.20);  box-shadow: 0 0 16px rgba(59,130,246,0.15); }
.ln-tag--gold:hover   { background: rgba(234,179,8,0.20);   box-shadow: 0 0 16px rgba(234,179,8,0.15); }
.ln-tag--orange:hover { background: rgba(249,115,22,0.20);  box-shadow: 0 0 16px rgba(249,115,22,0.15); }
.ln-tag--purple:hover { background: rgba(139,92,246,0.20);  box-shadow: 0 0 16px rgba(139,92,246,0.15); }

.ln-tag-caption {
    text-align: center;
    margin-top: 24px;
    font-size: 0.9rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
    color: rgba(255,255,255,0.55);
}

.ln-tag-caption::before {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ln-border), transparent);
    margin: 0 auto 14px;
}


/* ==========================================================================
   5. SEGMENT
   ========================================================================== */

.ln-segment {
    padding: 100px 0;
    position: relative;
}

.ln-segment::before {
    content: '';
    position: absolute;
    bottom: -10%;
    right: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6,199,85,0.03) 0%, transparent 60%);
    pointer-events: none;
}

.ln-segment-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 3rem;
}

.ln-segment-card {
    background: var(--ln-glass);
    border: 1px solid var(--ln-glass-border);
    border-radius: var(--ln-radius);
    padding: 26px 22px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-sm);
}

.ln-segment-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    transition: width 0.5s;
}

.ln-segment-card:nth-child(1)::before { background: #22c55e; }
.ln-segment-card:nth-child(2)::before { background: #3b82f6; }
.ln-segment-card:nth-child(3)::before { background: #eab308; }
.ln-segment-card:nth-child(4)::before { background: #f97316; }
.ln-segment-card:nth-child(5)::before { background: #8b5cf6; }
.ln-segment-card:nth-child(6)::before { background: #14b8a6; }

.ln-segment-card:hover {
    border-color: rgba(255,255,255,0.15);
    transform: translateY(-5px);
}

.ln-segment-card:hover::before {
    width: 60%;
}

.ln-segment-tag {
    display: inline-block;
    padding: 4px 16px;
    border-radius: var(--ln-radius-pill);
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 0.04em;
}

.ln-segment-tag--green  { background: rgba(34,197,94,0.14);  color: #22c55e; }
.ln-segment-tag--blue   { background: rgba(59,130,246,0.14);  color: #3b82f6; }
.ln-segment-tag--gold   { background: rgba(234,179,8,0.14);   color: #eab308; }
.ln-segment-tag--orange { background: rgba(249,115,22,0.14);  color: #f97316; }
.ln-segment-tag--purple { background: rgba(139,92,246,0.14);  color: #8b5cf6; }
.ln-segment-tag--teal   { background: rgba(20,184,166,0.14);  color: #14b8a6; }

.ln-segment-desc {
    font-size: 0.84rem;
    line-height: 1.75;
    color: rgba(255,255,255,0.6);
    margin-bottom: 14px;
}

.ln-segment-msg {
    padding: 14px 16px;
    background: linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.ln-segment-msg::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--ln);
    opacity: 0.4;
}

.ln-segment-msg-label {
    display: inline-block;
    font-size: 0.62rem;
    font-weight: 700;
    color: var(--ln);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
    background: var(--ln-subtle);
    padding: 3px 10px;
    border-radius: 6px;
}

.ln-segment-msg p {
    font-size: 0.78rem;
    line-height: 1.65;
    color: rgba(255,255,255,0.50);
    margin: 0;
    font-style: italic;
}

.ln-segment-effects {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 2.5rem;
}

.ln-segment-effect {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--ln-subtle);
    border: 1px solid var(--ln-border);
    border-radius: var(--ln-radius-pill);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--ln);
    transition: all 0.3s;
}

.ln-segment-effect:hover {
    background: var(--ln-tint);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(6,199,85,0.10);
}

.ln-segment-effect span {
    font-weight: 700;
}


/* ==========================================================================
   MID / FINAL CTA
   ========================================================================== */

.ln-cta--mid,
.ln-cta--final {
    position: relative;
    overflow: hidden;
}

.ln-cta--mid::before,
.ln-cta--final::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(6,199,85,0.04), transparent 40%, transparent 60%, rgba(6,199,85,0.04));
    pointer-events: none;
}

.ln-cta--mid .cta-content,
.ln-cta--final .cta-content {
    background: var(--ln-glass);
    border: 1px solid var(--ln-border);
    box-shadow:
        var(--ln-shadow-lg),
        var(--ln-glass-shine),
        0 0 80px rgba(6,199,85,0.04);
    position: relative;
    overflow: hidden;
}

.ln-cta--mid .cta-content::before,
.ln-cta--final .cta-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--ln), var(--ln-vivid), transparent);
}


/* ==========================================================================
   6. USE CASES — Industry Cards
   ========================================================================== */

.ln-usecase {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.ln-usecase::before {
    content: '';
    position: absolute;
    top: 50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(6,199,85,0.03) 0%, transparent 60%);
    pointer-events: none;
}

.ln-usecase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 3rem;
}

.ln-usecase-card {
    background: var(--ln-glass);
    border: 1px solid var(--ln-glass-border);
    border-radius: var(--ln-radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-md);
    position: relative;
}

.ln-usecase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ln), var(--ln-vivid));
    transform: scaleX(0);
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: left;
}

.ln-usecase-card:hover {
    border-color: var(--ln-border);
    transform: translateY(-6px);
    box-shadow: var(--ln-shadow-lg), 0 0 40px rgba(6,199,85,0.06);
}

.ln-usecase-card:hover::before {
    transform: scaleX(1);
}

.ln-usecase-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 22px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    background: rgba(255,255,255,0.02);
}

.ln-usecase-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ln-tint), var(--ln-subtle));
    border: 1px solid var(--ln-border);
    border-radius: 14px;
    color: var(--ln);
    flex-shrink: 0;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(6,199,85,0.08);
}

.ln-usecase-card:hover .ln-usecase-icon {
    box-shadow: 0 0 28px var(--ln-glow);
    transform: scale(1.05);
}

.ln-usecase-header h3 {
    font-size: 1rem;
    font-weight: 800;
    color: rgba(255,255,255,0.95);
    margin: 0;
    letter-spacing: 0.02em;
}

.ln-usecase-sub {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.42);
    font-weight: 500;
    display: block;
    margin-top: 2px;
}

.ln-usecase-flow {
    padding: 18px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}

.ln-usecase-flow-label,
.ln-usecase-msgs-label {
    display: inline-block;
    font-size: 0.60rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 10px;
    border-radius: 6px;
    margin-bottom: 8px;
}

.ln-usecase-flow-label {
    background: var(--ln-subtle);
    color: var(--ln);
    border: 1px solid var(--ln-border);
}

.ln-usecase-flow p {
    font-size: 0.80rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.55);
    margin: 0;
    font-weight: 500;
}

.ln-usecase-msgs {
    padding: 18px 24px;
}

.ln-usecase-msgs-label {
    background: rgba(59,130,246,0.08);
    color: #60a5fa;
    border: 1px solid rgba(59,130,246,0.15);
}

.ln-usecase-msg {
    display: flex;
    gap: 12px;
    padding: 8px 0;
    font-size: 0.80rem;
    color: rgba(255,255,255,0.50);
    border-bottom: 1px solid rgba(255,255,255,0.02);
}

.ln-usecase-msg:last-child {
    border-bottom: none;
}

.ln-usecase-msg-timing {
    font-weight: 700;
    color: rgba(255,255,255,0.72);
    white-space: nowrap;
    min-width: 88px;
    flex-shrink: 0;
    font-size: 0.75rem;
}


/* ==========================================================================
   7. RESERVATION
   ========================================================================== */

.ln-reservation {
    padding: 100px 0;
}

.ln-reservation-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 3rem;
}

.ln-reservation-card {
    background: var(--ln-glass);
    border: 1px solid var(--ln-glass-border);
    border-radius: var(--ln-radius);
    padding: 32px 26px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-sm);
}

.ln-reservation-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--ln), var(--ln-vivid));
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.ln-reservation-card::after {
    content: '';
    position: absolute;
    top: -40%;
    right: -40%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(6,199,85,0.03) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s;
}

.ln-reservation-card:hover {
    border-color: var(--ln-border);
    transform: translateY(-5px);
    box-shadow: var(--ln-shadow-md), var(--ln-shadow-glow);
}

.ln-reservation-card:hover::before { width: 70%; }
.ln-reservation-card:hover::after { opacity: 1; }

.ln-reservation-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ln-tint), var(--ln-subtle));
    border: 1px solid var(--ln-border);
    border-radius: 16px;
    margin-bottom: 16px;
    color: var(--ln);
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(6,199,85,0.06);
}

.ln-reservation-card:hover .ln-reservation-icon {
    box-shadow: 0 0 24px rgba(6,199,85,0.15);
    transform: scale(1.05);
}

.ln-reservation-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: rgba(255,255,255,0.92);
}

.ln-reservation-card p {
    font-size: 0.85rem;
    line-height: 1.75;
    color: rgba(255,255,255,0.55);
    margin: 0;
}


/* ==========================================================================
   8. LINE AS HP + RICH MENU
   ========================================================================== */

.ln-as-hp {
    padding: 100px 0;
    position: relative;
}

/* Rich Menu — Phone Mockup */
.ln-richmenu {
    max-width: 560px;
    margin: 3.5rem auto;
    padding: 0;
    background: var(--ln-glass);
    border: 1px solid var(--ln-border);
    border-radius: var(--ln-radius-lg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow:
        var(--ln-glass-shine),
        var(--ln-shadow-lg),
        0 0 60px rgba(6,199,85,0.06);
    position: relative;
    overflow: hidden;
}

.ln-richmenu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ln), var(--ln-vivid), var(--ln));
}

.ln-richmenu::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(6,199,85,0.05) 0%, transparent 60%);
    pointer-events: none;
}

.ln-richmenu-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--ln);
    padding: 20px 28px 0;
    text-align: center;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
}

.ln-richmenu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    padding: 16px;
    position: relative;
    z-index: 1;
}

.ln-richmenu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 22px 12px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.04);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
}

.ln-richmenu-item:nth-child(-n+3) { border-top: none; }
.ln-richmenu-item:nth-child(1),
.ln-richmenu-item:nth-child(4) { border-left: none; }
.ln-richmenu-item:nth-child(3),
.ln-richmenu-item:nth-child(6) { border-right: none; }
.ln-richmenu-item:nth-child(n+4) { border-bottom: none; }

.ln-richmenu-item:hover {
    background: var(--ln-subtle);
}

.ln-richmenu-icon {
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ln-tint), var(--ln-subtle));
    border: 1px solid var(--ln-border);
    border-radius: 12px;
    color: var(--ln);
    transition: all 0.3s;
}

.ln-richmenu-item:hover .ln-richmenu-icon {
    box-shadow: 0 0 20px rgba(6,199,85,0.15);
    transform: scale(1.08);
}

.ln-richmenu-item span:last-child {
    font-size: 0.75rem;
    font-weight: 600;
    color: rgba(255,255,255,0.72);
    letter-spacing: 0.02em;
}

.ln-as-hp-note {
    max-width: 600px;
    margin: 2.5rem auto 0;
    text-align: center;
    padding: 26px 32px;
    background: var(--ln-glass);
    border: 1px solid var(--ln-border);
    border-radius: var(--ln-radius);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-md), var(--ln-shadow-glow);
    position: relative;
    overflow: hidden;
}

.ln-as-hp-note::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--ln), var(--ln-vivid));
}

.ln-as-hp-note p {
    font-size: 0.92rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.78);
    margin: 0;
}

.ln-as-hp-note strong {
    color: var(--ln);
}


/* ==========================================================================
   9. AI — Orange Accent Cards
   ========================================================================== */

.ln-ai {
    padding: 100px 0;
    position: relative;
}

.ln-ai::before {
    content: '';
    position: absolute;
    top: 30%;
    right: -8%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,107,53,0.03) 0%, transparent 60%);
    pointer-events: none;
}

.ln-ai-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 3rem;
}

.ln-ai-card {
    background: var(--ln-glass);
    border: 1px solid var(--ln-glass-border);
    border-radius: var(--ln-radius);
    padding: 32px 26px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-sm);
}

.ln-ai-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, var(--neon-orange, #FF6B35), rgba(255,140,66,0.4));
    transition: height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.ln-ai-card::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -30%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(255,107,53,0.03) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s;
}

.ln-ai-card:hover {
    border-color: rgba(255,107,53,0.2);
    transform: translateY(-5px);
    box-shadow: var(--ln-shadow-md), 0 0 30px rgba(255,107,53,0.04);
}

.ln-ai-card:hover::before { height: 100%; }
.ln-ai-card:hover::after { opacity: 1; }

.ln-ai-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255,107,53,0.12), rgba(255,107,53,0.04));
    border: 1px solid rgba(255,107,53,0.14);
    border-radius: 16px;
    margin-bottom: 16px;
    color: var(--neon-orange, #FF6B35);
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(255,107,53,0.06);
}

.ln-ai-card:hover .ln-ai-icon {
    box-shadow: 0 0 24px rgba(255,107,53,0.12);
    transform: scale(1.05);
}

.ln-ai-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: rgba(255,255,255,0.92);
}

.ln-ai-card p {
    font-size: 0.85rem;
    line-height: 1.75;
    color: rgba(255,255,255,0.55);
    margin: 0;
}

.ln-ai-link {
    text-align: center;
    margin-top: 2rem;
}

.ln-cross-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--neon-orange, #FF6B35);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    padding: 10px 24px;
    border: 1px solid rgba(255,107,53,0.2);
    border-radius: var(--ln-radius-pill);
    background: rgba(255,107,53,0.04);
}

.ln-cross-link:hover {
    background: rgba(255,107,53,0.08);
    border-color: rgba(255,107,53,0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255,107,53,0.10);
}


/* ==========================================================================
   10. PLANS — 4-Column Premium
   ========================================================================== */

.ln-plans {
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.ln-plans::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(6,199,85,0.04) 0%, transparent 60%);
    pointer-events: none;
}

.ln-plans-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 3rem;
}

.ln-plan-card {
    background: var(--ln-glass);
    border: 1px solid var(--ln-glass-border);
    border-radius: var(--ln-radius-lg);
    padding: 32px 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-md);
    display: flex;
    flex-direction: column;
}

.ln-plan-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--ln), var(--ln-vivid));
    transition: width 0.5s;
}

.ln-plan-card:hover {
    border-color: var(--ln-border);
    transform: translateY(-5px);
}

.ln-plan-card:hover::before {
    width: 100%;
}

/* Featured */
.ln-plan-card--featured {
    border-color: var(--ln-border);
    box-shadow:
        var(--ln-glass-shine),
        var(--ln-shadow-lg),
        0 0 50px rgba(6,199,85,0.06);
}

.ln-plan-card--featured::before {
    width: 100%;
}

.ln-plan-card--featured::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 40% at 50% 0%, rgba(6,199,85,0.05) 0%, transparent 60%);
    pointer-events: none;
}

.ln-plan-popular {
    position: absolute;
    top: 14px;
    right: 14px;
    padding: 4px 14px;
    background: linear-gradient(135deg, var(--ln), var(--ln-dark));
    border-radius: var(--ln-radius-pill);
    font-size: 0.68rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.06em;
    box-shadow: 0 4px 16px rgba(6,199,85,0.3);
    z-index: 1;
}

.ln-plan-name {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 6px;
    letter-spacing: 0.02em;
    background: linear-gradient(135deg, var(--ln-sky), var(--ln));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ln-plan-desc {
    font-size: 0.80rem;
    color: rgba(255,255,255,0.50);
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    line-height: 1.6;
}

.ln-plan-items {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    flex: 1;
}

.ln-plan-items li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 0;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.68);
    border-bottom: 1px solid rgba(255,255,255,0.02);
}

.ln-plan-items li:last-child {
    border-bottom: none;
}

.ln-plan-check {
    color: var(--ln);
    font-size: 0.72rem;
    font-weight: 700;
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ln-subtle);
    border-radius: 50%;
}

.ln-plan-cta {
    display: block;
    text-align: center;
    padding: 12px 18px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--ln-radius-pill);
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255,255,255,0.68);
    text-decoration: none;
    transition: all 0.3s;
}

.ln-plan-cta:hover {
    border-color: var(--ln-border);
    color: var(--ln);
    background: var(--ln-subtle);
    transform: translateY(-2px);
}

.ln-plan-card--featured .ln-plan-cta {
    background: linear-gradient(135deg, var(--ln), var(--ln-dark));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 16px rgba(6,199,85,0.2);
}

.ln-plan-card--featured .ln-plan-cta:hover {
    box-shadow: 0 6px 24px rgba(6,199,85,0.35);
    transform: translateY(-3px);
}


/* ==========================================================================
   11. TRUST — 5 Design Points
   ========================================================================== */

.ln-trust {
    padding: 100px 0;
    position: relative;
}

.ln-trust::before {
    content: '';
    position: absolute;
    top: 30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(6,199,85,0.03) 0%, transparent 60%);
    pointer-events: none;
}

.ln-trust-grid {
    max-width: 740px;
    margin: 3.5rem auto 0;
    position: relative;
}

.ln-trust-grid::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--ln), var(--ln-vivid), rgba(6,199,85,0.1));
    border-radius: 2px;
}

.ln-trust-item {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    padding: 26px 0 26px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.ln-trust-item:last-child {
    border-bottom: none;
}

.ln-trust-item:hover {
    transform: translateX(8px);
}

.ln-trust-num {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--ln), var(--ln-dark));
    border-radius: 14px;
    color: #fff;
    font-size: 0.82rem;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: 0 4px 20px var(--ln-glow);
    transition: all 0.3s;
    position: relative;
    z-index: 1;
}

.ln-trust-item:hover .ln-trust-num {
    box-shadow: 0 8px 32px var(--ln-glow);
    transform: scale(1.08);
}

.ln-trust-body {
    padding-top: 2px;
}

.ln-trust-body h4 {
    font-size: 1rem;
    font-weight: 700;
    color: rgba(255,255,255,0.92);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.ln-trust-body p {
    font-size: 0.84rem;
    line-height: 1.75;
    color: rgba(255,255,255,0.50);
    margin: 0;
}


/* ==========================================================================
   12-13. FLOW + FAQ
   ========================================================================== */

.ln-flow {
    padding: 100px 0;
}

.ln-flow .step-number {
    background: linear-gradient(135deg, var(--ln), var(--ln-dark)) !important;
    box-shadow: 0 4px 20px var(--ln-glow) !important;
}

.ln-flow .process-timeline::before {
    background: linear-gradient(180deg, var(--ln), var(--ln-vivid), rgba(6,199,85,0.1)) !important;
}

.ln-faq {
    padding: 100px 0;
}

.ln-faq .faq-list {
    background: var(--ln-glass);
    border: 1px solid var(--ln-glass-border);
    border-radius: var(--ln-radius-lg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-lg);
    position: relative;
    overflow: hidden;
}

.ln-faq .faq-list::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ln-border), transparent);
}

.ln-faq .faq-question:hover {
    color: var(--ln) !important;
}

.ln-faq .faq-question::before {
    color: var(--ln) !important;
}


/* ==========================================================================
   14. CROSS
   ========================================================================== */

.ln-cross {
    padding: 0 0 40px;
}

.ln-cross-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.ln-cross-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 26px 24px;
    background: var(--ln-glass);
    border: 1px solid var(--ln-glass-border);
    border-radius: var(--ln-radius);
    text-decoration: none;
    color: inherit;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--ln-glass-shine), var(--ln-shadow-sm);
    position: relative;
    overflow: hidden;
}

.ln-cross-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--neon-orange, #FF6B35), rgba(255,140,66,0.5));
    transition: width 0.4s;
}

.ln-cross-card:hover {
    border-color: rgba(255,107,53,0.2);
    transform: translateY(-4px);
    box-shadow: var(--ln-shadow-md), 0 0 24px rgba(255,107,53,0.04);
}

.ln-cross-card:hover::before { width: 60%; }

.ln-cross-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255,107,53,0.10), rgba(255,107,53,0.04));
    border: 1px solid rgba(255,107,53,0.14);
    border-radius: 14px;
    flex-shrink: 0;
    color: var(--neon-orange, #FF6B35);
    transition: all 0.3s;
}

.ln-cross-card:hover .ln-cross-icon {
    box-shadow: 0 0 20px rgba(255,107,53,0.10);
    transform: scale(1.05);
}

.ln-cross-body h3 {
    font-size: 0.92rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: rgba(255,255,255,0.9);
}

.ln-cross-body p {
    font-size: 0.78rem;
    line-height: 1.65;
    color: rgba(255,255,255,0.48);
    margin: 0;
}

.ln-cross-arrow {
    flex-shrink: 0;
    color: var(--neon-orange, #FF6B35);
    opacity: 0.35;
    transition: all 0.3s;
}

.ln-cross-card:hover .ln-cross-arrow {
    opacity: 1;
    transform: translateX(4px);
}


/* ==========================================================================
   UTILITY
   ========================================================================== */

.sp-only { display: none; }


/* ==========================================================================
   RESPONSIVE — Tablet
   ========================================================================== */

@media (min-width: 769px) and (max-width: 1024px) {
    .ln-problems-grid { grid-template-columns: repeat(2, 1fr); }
    .ln-segment-grid { grid-template-columns: repeat(2, 1fr); }
    .ln-usecase-grid { grid-template-columns: 1fr; max-width: 500px; margin-left: auto; margin-right: auto; }
    .ln-plans-grid { grid-template-columns: repeat(2, 1fr); }
    .ln-tag-grid { grid-template-columns: repeat(2, 1fr); }

    .ln-crm-content {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }
    .ln-crm-card { max-width: 100%; width: 100%; }
    .ln-crm-arrow-block {
        flex-direction: column;
        align-items: center;
        padding: 10px 0;
        min-width: auto;
    }
    .ln-crm-arrow-big {
        margin-bottom: 0;
        animation: lnArrowPulseMobile 2.5s ease-in-out infinite;
    }

    .ln-crm-arrow-big svg {
        transform: rotate(90deg);
    }

    .ln-cross-grid {
        grid-template-columns: 1fr;
        max-width: 520px;
        margin-left: auto;
        margin-right: auto;
    }

    .ln-solution-flow { gap: 0; }
    .ln-solution-step { width: 120px; padding: 14px 8px; }

    .ln-trust-grid::before { left: 20px; }
}


/* ==========================================================================
   RESPONSIVE — Mobile
   ========================================================================== */

@media (max-width: 768px) {
    .sp-only { display: inline; }

    /* ===== HERO ===== */
    .ln-hero--premium {
        min-height: auto;
        padding-top: 100px;
        padding-bottom: 56px;
    }

    .ln-title--strategy {
        font-size: 1.5rem;
        line-height: 1.55;
        letter-spacing: 0.02em;
    }

    .ln-hero-lead {
        font-size: 0.88rem;
        line-height: 1.8;
        margin-top: 16px;
    }

    .ln-hero-orb { display: none; }

    .ln-hero-badges {
        flex-direction: column;
        align-items: center;
        gap: 8px;
        margin-top: 20px;
    }

    .ln-badge-item {
        width: 100%;
        max-width: 280px;
        justify-content: center;
        font-size: 0.78rem;
        padding: 10px 18px;
    }

    .ln-hero-cta, .ln-final-cta {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        margin-top: 24px;
    }

    .ln-hero-cta .cta-button,
    .ln-final-cta .cta-button {
        width: 100%;
        max-width: 300px;
        text-align: center;
        justify-content: center;
        font-size: 0.88rem;
        padding: 14px 24px;
    }

    /* ===== SECTIONS — 共通パディング ===== */
    .ln-problems,
    .ln-solution,
    .ln-crm,
    .ln-segment,
    .ln-usecase,
    .ln-reservation,
    .ln-as-hp,
    .ln-ai,
    .ln-plans,
    .ln-trust,
    .ln-flow,
    .ln-faq {
        padding: 56px 0;
    }

    /* ===== PROBLEMS ===== */
    .ln-problems-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .ln-problem-card {
        display: flex;
        align-items: flex-start;
        gap: 14px;
        text-align: left;
        padding: 18px 16px;
    }

    .ln-problem-icon {
        margin: 0;
        flex-shrink: 0;
        width: 40px;
        height: 40px;
    }

    .ln-problem-body { flex: 1; }
    .ln-problem-body h3 { font-size: 0.88rem; }
    .ln-problem-body p { font-size: 0.78rem; line-height: 1.6; }

    /* ===== SOLUTION ===== */
    .ln-solution-flow {
        flex-direction: column;
        align-items: center;
        gap: 0;
        padding: 20px 16px;
    }

    .ln-solution-step {
        width: 100%;
        max-width: 260px;
        padding: 14px 12px;
    }

    .ln-solution-step h4 { font-size: 0.82rem; }
    .ln-solution-step p { font-size: 0.72rem; }

    .ln-solution-arrow {
        padding: 4px 0;
        animation: lnArrowPulseMobile 2.5s ease-in-out infinite;
    }

    .ln-solution-arrow svg {
        transform: rotate(90deg);
    }

    .ln-solution-note { padding: 20px 18px; }
    .ln-solution-note p { font-size: 0.85rem; line-height: 1.75; }

    /* ===== CRM ===== */
    .ln-crm-content {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .ln-crm-card,
    .ln-crm-card.ln-crm-card--result {
        flex: none;
        max-width: 100%;
        width: 100%;
        padding: 24px 18px;
    }

    .ln-crm-card-title { font-size: 0.92rem; }

    .ln-crm-arrow-block {
        flex-direction: column;
        align-items: center;
        padding: 10px 0;
        min-width: auto;
    }

    .ln-crm-arrow-big {
        margin-bottom: 0;
        animation: lnArrowPulseMobile 2.5s ease-in-out infinite;
    }

    .ln-crm-arrow-big svg {
        transform: rotate(90deg);
    }

    /* ===== TAGS ===== */
    .ln-tag-design { padding: 24px 18px; margin-top: 2.5rem; }
    .ln-tag-design-title { font-size: 1rem; margin-bottom: 20px; }
    .ln-tag-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .ln-tag-category { padding: 16px 14px; }
    .ln-tag-cat-label { font-size: 1rem; margin-bottom: 10px; font-weight: 800; }
    .ln-tag-list { gap: 6px; }
    .ln-tag { font-size: 0.75rem; padding: 5px 12px; }
    .ln-tag-caption { font-size: 0.82rem; margin-top: 18px; }

    /* ===== SEGMENT ===== */
    .ln-segment-grid { grid-template-columns: 1fr; gap: 10px; }
    .ln-segment-card { padding: 22px 18px; }
    .ln-segment-card h3 { font-size: 0.92rem; }
    .ln-segment-msg { font-size: 0.82rem; padding: 12px 14px; }

    .ln-segment-effects {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    .ln-segment-effect {
        width: 100%;
        max-width: 220px;
        justify-content: center;
        font-size: 0.82rem;
    }

    /* ===== USE CASES ===== */
    .ln-usecase-grid { grid-template-columns: 1fr; gap: 14px; }
    .ln-usecase-card { border-radius: 14px; }
    .ln-usecase-header { padding: 20px 18px; }
    .ln-usecase-header h3 { font-size: 0.95rem; }
    .ln-usecase-header p { font-size: 0.72rem; }
    .ln-usecase-flow { padding: 16px 18px; }
    .ln-usecase-flow p { font-size: 0.82rem; line-height: 1.7; }
    .ln-usecase-msgs { padding: 16px 18px; }
    .ln-usecase-msgs li { font-size: 0.78rem; padding: 6px 0; }

    /* ===== RESERVATION ===== */
    .ln-reservation-grid { grid-template-columns: 1fr; gap: 10px; }
    .ln-reservation-card { padding: 22px 18px; }
    .ln-reservation-card h3 { font-size: 0.92rem; }
    .ln-reservation-card p { font-size: 0.78rem; }

    /* ===== RICH MENU — 3×2 grid (actual LINE layout) ===== */
    .ln-richmenu { padding: 20px 16px; }
    .ln-richmenu-title { font-size: 0.95rem; margin-bottom: 16px; }
    .ln-richmenu-grid { grid-template-columns: repeat(2, 1fr); gap: 0; }
    .ln-richmenu-item { padding: 14px 10px; gap: 8px; }
    .ln-richmenu-icon { width: 36px; height: 36px; border-radius: 10px; }
    .ln-richmenu-item span:last-child { font-size: 0.72rem; }

    .ln-as-hp-note { padding: 20px 18px; }
    .ln-as-hp-note p { font-size: 0.85rem; }

    /* ===== AI ===== */
    .ln-ai-grid { grid-template-columns: 1fr; gap: 10px; }
    .ln-ai-card { padding: 24px 18px; }
    .ln-ai-icon { width: 48px; height: 48px; border-radius: 14px; margin-bottom: 12px; }
    .ln-ai-card h3 { font-size: 0.92rem; }
    .ln-ai-card p { font-size: 0.78rem; }
    .ln-cross-link { font-size: 0.82rem; padding: 10px 20px; }

    /* ===== PLANS ===== */
    .ln-plans-grid {
        grid-template-columns: 1fr;
        gap: 14px;
        max-width: 100%;
    }

    .ln-plan-card { padding: 24px 20px; }
    .ln-plan-name { font-size: 1.05rem; }
    .ln-plan-desc { font-size: 0.75rem; margin-bottom: 16px; padding-bottom: 16px; }
    .ln-plan-items li { font-size: 0.78rem; padding: 6px 0; }
    .ln-plan-cta { font-size: 0.78rem; padding: 11px 16px; }
    .ln-plan-popular { font-size: 0.62rem; top: 12px; right: 12px; }

    /* ===== TRUST ===== */
    .ln-trust-grid { margin-top: 2.5rem; }
    .ln-trust-grid::before { left: 18px; }
    .ln-trust-item { gap: 16px; padding: 18px 0; }
    .ln-trust-num { width: 38px; height: 38px; font-size: 0.75rem; border-radius: 12px; }
    .ln-trust-body h4 { font-size: 0.92rem; }
    .ln-trust-body p { font-size: 0.78rem; line-height: 1.7; }

    /* ===== CROSS ===== */
    .ln-cross { padding: 0 0 32px; }
    .ln-cross-grid { grid-template-columns: 1fr; gap: 10px; }
    .ln-cross-card { padding: 20px 18px; gap: 14px; }
    .ln-cross-icon { width: 44px; height: 44px; border-radius: 12px; }
    .ln-cross-body h3 { font-size: 0.85rem; }
    .ln-cross-body p { font-size: 0.72rem; }

    /* ===== CTA ===== */
    .ln-cta--final .cta-title { font-size: 1.15rem; line-height: 1.65; }
    .ln-cta--mid .cta-title { font-size: 1.1rem; line-height: 1.65; }

    /* CRM arrow — animation override for mobile */
    .ln-crm-arrow-big {
        animation: lnArrowPulseMobile 2.5s ease-in-out infinite;
    }

    .ln-crm-arrow-big svg {
        transform: rotate(90deg);
    }
}

@keyframes lnArrowPulseMobile {
    0%, 100% { opacity: 0.15; }
    50% { opacity: 0.45; }
}

@media (max-width: 480px) {
    .ln-hero--premium {
        padding-top: 88px;
        padding-bottom: 44px;
    }

    .ln-title--strategy {
        font-size: 1.25rem;
        line-height: 1.5;
        letter-spacing: 0.01em;
    }

    .ln-hero-lead { font-size: 0.82rem; }
    .ln-badge-item { font-size: 0.72rem; padding: 8px 14px; }

    .ln-hero-cta .cta-button,
    .ln-final-cta .cta-button {
        max-width: 260px;
        font-size: 0.84rem;
        padding: 13px 20px;
    }

    /* Sections */
    .ln-problems,
    .ln-solution,
    .ln-crm,
    .ln-segment,
    .ln-usecase,
    .ln-reservation,
    .ln-as-hp,
    .ln-ai,
    .ln-plans,
    .ln-trust,
    .ln-flow,
    .ln-faq {
        padding: 44px 0;
    }

    /* Tags */
    .ln-tag-grid { grid-template-columns: 1fr; }
    .ln-tag-design { padding: 20px 14px; }
    .ln-tag-cat-label { font-size: 1rem; }
    .ln-tag { font-size: 0.72rem; }

    /* Rich menu — 3 columns (3×2 actual LINE layout) */
    .ln-richmenu-grid { grid-template-columns: repeat(3, 1fr); }
    .ln-richmenu-item span:last-child { font-size: 0.6rem; }

    /* Solution */
    .ln-solution-step { max-width: 220px; }

    /* Use cases */
    .ln-usecase-header { padding: 16px 16px; }
    .ln-usecase-flow, .ln-usecase-msgs { padding: 12px 16px; }

    /* Plans */
    .ln-plan-card { padding: 20px 16px; }

    /* Trust */
    .ln-trust-num { width: 34px; height: 34px; font-size: 0.72rem; border-radius: 10px; }
    .ln-trust-grid::before { left: 16px; }

    /* CTA */
    .ln-cta--final .cta-title { font-size: 1.05rem; }
}