/* ===========================
   LINE Service Page
   =========================== */
.line-page {
    --line-ink: #1c1938;
    --line-accent: #06c755;
    --line-accent-dark: #00a341;
    --line-soft: #f0faf4;
    --line-border: rgba(28, 25, 56, 0.12);
    --line-card: #ffffff;
}

.line-hero {
    position: relative;
    padding: 90px 0 120px;
    background: linear-gradient(120deg, #f0faf4 0%, #e8f5ee 55%, #ffffff 100%);
    overflow: hidden;
}

.line-hero::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -120px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(6, 199, 85, 0.3), rgba(6, 199, 85, 0));
}

.line-hero::after {
    content: '';
    position: absolute;
    bottom: -90px;
    left: -120px;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(28, 25, 56, 0.15), rgba(28, 25, 56, 0));
}

.line-hero__container {
    position: relative;
    z-index: 1;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.line-hero__content {
    animation: lineFadeUp 0.7s ease both;
}

.line-hero__eyebrow {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--line-accent);
    margin-bottom: 12px;
}

.line-hero__title {
    font-family: 'Hiragino Kaku Gothic ProN', sans-serif;
    font-weight: 700;
    font-size: 42px;
    line-height: 1.3;
    color: var(--line-ink);
    margin-bottom: 18px;
}

.line-hero__lead {
    font-size: 16px;
    line-height: 1.9;
    color: #4c4a63;
    margin-bottom: 28px;
}

.line-hero__actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.line-hero__ghost {
    border: 1px solid var(--line-ink);
    color: var(--line-ink);
    background: #fff;
}

.line-hero__stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.line-hero__stat {
    padding: 16px 14px;
    border-radius: 16px;
    background: var(--line-card);
    border: 1px solid var(--line-border);
    box-shadow: 0 12px 30px rgba(28, 25, 56, 0.08);
}

.line-hero__stat-value {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: var(--line-ink);
}

.line-hero__stat-label {
    display: block;
    font-size: 12px;
    letter-spacing: 0.5px;
    color: #6b6887;
}

.line-hero__mockup {
    animation: lineFadeUp 0.9s ease both;
    animation-delay: 0.1s;
}

/* LINE Chat Mockup */
.line-chat {
    background: var(--line-card);
    border-radius: 24px;
    border: 1px solid var(--line-border);
    box-shadow: 0 30px 60px rgba(28, 25, 56, 0.15);
    overflow: hidden;
}

.line-chat__header {
    padding: 18px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--line-accent);
    color: #fff;
}

.line-chat__avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.line-chat__name {
    font-size: 14px;
    font-weight: 700;
}

.line-chat__status {
    font-size: 11px;
    opacity: 0.8;
}

.line-chat__body {
    padding: 20px;
    min-height: 300px;
    background: #e5ddd5;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.line-chat__message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.5;
    position: relative;
    animation: lineMessagePop 0.4s ease both;
}

.line-chat__message--received {
    align-self: flex-start;
    background: #fff;
    color: var(--line-ink);
    border-bottom-left-radius: 4px;
}

.line-chat__message--sent {
    align-self: flex-end;
    background: var(--line-accent);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.line-chat__message p {
    margin: 0;
}

.line-chat__time {
    display: block;
    font-size: 10px;
    opacity: 0.6;
    margin-top: 4px;
    text-align: right;
}

.line-chat__typing {
    align-self: flex-start;
    display: flex;
    gap: 4px;
    padding: 12px 16px;
    background: #fff;
    border-radius: 18px;
    border-bottom-left-radius: 4px;
}

.line-chat__typing span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #90959c;
    animation: lineTyping 1.4s infinite;
}

.line-chat__typing span:nth-child(2) {
    animation-delay: 0.2s;
}

.line-chat__typing span:nth-child(3) {
    animation-delay: 0.4s;
}

/* Features Section */
.line-features,
.line-cases,
.line-flow,
.line-price,
.line-cta {
    padding: 90px 0;
}

.line-features__container,
.line-cases__container,
.line-flow__container,
.line-price__container,
.line-cta__container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.line-features__header,
.line-cases__header,
.line-flow__header,
.line-price__header {
    text-align: center;
    margin-bottom: 40px;
}

.line-features__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.line-features__card {
    padding: 28px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--line-border);
    box-shadow: 0 20px 40px rgba(28, 25, 56, 0.06);
    text-align: center;
}

.line-features__icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--line-accent), var(--line-accent-dark));
    color: #fff;
}

.line-features__icon svg {
    width: 28px;
    height: 28px;
}

.line-features__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--line-ink);
    margin-bottom: 12px;
}

.line-features__text {
    font-size: 14px;
    line-height: 1.8;
    color: #5e5b77;
}

/* Cases Section */
.line-cases {
    background: var(--line-soft);
}

.line-cases__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.line-cases__item {
    background: #fff;
    padding: 24px;
    border-radius: 18px;
    border: 1px solid var(--line-border);
    box-shadow: 0 16px 32px rgba(28, 25, 56, 0.06);
}

.line-cases__number {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 14px;
    color: #fff;
    background: linear-gradient(135deg, var(--line-accent), var(--line-accent-dark));
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 14px;
}

.line-cases__title {
    font-size: 16px;
    font-weight: 700;
    color: var(--line-ink);
    margin-bottom: 10px;
}

.line-cases__text {
    font-size: 13px;
    line-height: 1.7;
    color: #5e5b77;
}

/* Flow Section */
.line-flow__steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.line-flow__step {
    background: #fff;
    padding: 24px 20px;
    border-radius: 18px;
    border: 1px solid var(--line-border);
    box-shadow: 0 16px 32px rgba(28, 25, 56, 0.06);
}

.line-flow__step-number {
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 14px;
    color: #fff;
    background: linear-gradient(135deg, var(--line-accent), #1c1938);
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 14px;
}

.line-flow__step-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--line-ink);
    margin-bottom: 10px;
}

.line-flow__step-text {
    font-size: 13px;
    line-height: 1.7;
    color: #5e5b77;
}

/* Price Section */
.line-price {
    background: #f7f7fb;
}

.line-price__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.line-price__card {
    padding: 28px;
    border-radius: 20px;
    background: #fff;
    border: 1px solid var(--line-border);
    box-shadow: 0 18px 32px rgba(28, 25, 56, 0.06);
    text-align: center;
}

.line-price__card.is-featured {
    border: 2px solid var(--line-accent);
    transform: translateY(-10px);
    box-shadow: 0 24px 40px rgba(6, 199, 85, 0.2);
}

.line-price__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--line-ink);
    margin-bottom: 6px;
}

.line-price__lead {
    font-size: 12px;
    color: #7a7792;
    margin-bottom: 18px;
}

.line-price__amount {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 26px;
    color: var(--line-ink);
    margin-bottom: 20px;
}

.line-price__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
    font-size: 13px;
    color: #5e5b77;
}

.line-price__list li::before {
    content: '-';
    color: var(--line-accent);
    margin-right: 6px;
}

/* CTA Section */
.line-cta {
    background: linear-gradient(135deg, #1c1938, #2d2650);
    color: #fff;
}

.line-cta__container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
    align-items: center;
}

.line-cta__eyebrow {
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    letter-spacing: 2px;
    margin-bottom: 12px;
    color: var(--line-accent);
}

.line-cta__title {
    font-size: 26px;
    line-height: 1.5;
    margin-bottom: 14px;
}

.line-cta__text {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.line-cta__actions {
    display: flex;
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
}

.line-cta__ghost {
    border: 1px solid #fff;
    color: #fff;
    background: transparent;
}

/* Animations */
@keyframes lineFadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes lineMessagePop {
    from {
        opacity: 0;
        transform: translateY(10px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes lineTyping {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-4px);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .line-hero__container {
        grid-template-columns: 1fr;
    }

    .line-hero__title {
        font-size: 36px;
    }

    .line-features__grid,
    .line-price__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .line-flow__steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .line-cases__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .line-cta__container {
        grid-template-columns: 1fr;
    }

    .line-price__card.is-featured {
        transform: none;
    }
}

@media (max-width: 768px) {
    .line-hero {
        padding: 70px 0 90px;
    }

    .line-hero__title {
        font-size: 30px;
    }

    .line-hero__stats {
        grid-template-columns: 1fr;
    }

    .line-features__grid,
    .line-flow__steps,
    .line-cases__grid,
    .line-price__grid {
        grid-template-columns: 1fr;
    }

    .line-cta__actions {
        width: 100%;
    }
}