/* ====================================
   Maintenance Page Styles
   テーマ：Security, Shield, Reliability, Blue/Green
   ==================================== */

/* --- Base Layout & Background --- */
.mnt-container {
    width: 85%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* 背景：セキュリティパルス */
.mnt-bg-security {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, rgba(30, 40, 50, 1), #000);
}

.mnt-bg-grid {
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background-image: 
        linear-gradient(rgba(76, 175, 80, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(76, 175, 80, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    transform: perspective(500px) rotateX(60deg);
    opacity: 0.5;
}

.mnt-bg-pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(76, 175, 80, 0.05) 0%, transparent 60%);
    transform: translate(-50%, -50%);
    animation: pulseBg 4s ease-in-out infinite;
}

@keyframes pulseBg {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}


/* --- Breadcrumb --- */
.mnt-breadcrumb {
    padding-top: 120px;
    padding-bottom: 20px;
    position: relative;
    z-index: 10;
}
.mnt-breadcrumb__nav {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.8);
}
.mnt-breadcrumb__link {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}
.mnt-breadcrumb__link:hover { color: #4CAF50; }
.mnt-breadcrumb__current { color: #4CAF50; }
.mnt-breadcrumb__separator { margin: 0 10px; font-size: 0.7em; }


/* --- Hero Section --- */
.mnt-hero {
    min-height: auto; /* スマホ崩れ防止のためauto */
    padding: 6rem 0 4rem; /* 上下余白 */
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.mnt-hero__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mnt-hero__content {
    width: 50%;
    position: relative;
    z-index: 2;
}

.mnt-hero__label {
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    color: #4CAF50;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
    font-weight: bold;
}

.mnt-hero__title {
    margin-bottom: 3rem;
}

.mnt-hero__title-sub {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    line-height: 1.4;
    color: #fff;
    text-shadow: 0 0 20px rgba(76, 175, 80, 0.3);
}

.mnt-hero__desc {
    font-size: 1rem;
    line-height: 2;
    color: #fff;
}

/* Visual Animation (Shield) */
.mnt-hero__visual {
    width: 45%;
    height: 400px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mnt-shield-visual {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mnt-shield {
    font-size: 8rem;
    color: rgba(76, 175, 80, 0.2);
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 0 15px rgba(76, 175, 80, 0.5));
    animation: shieldFloat 3s ease-in-out infinite;
}
.mnt-shield i {
    background: linear-gradient(135deg, #4CAF50, #2E7D32);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.mnt-shield-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 50%;
    animation: ringSpin 10s linear infinite;
}
.mnt-shield-ring--1 { width: 250px; height: 250px; border-style: dashed; }
.mnt-shield-ring--2 { width: 300px; height: 300px; border-color: rgba(76, 175, 80, 0.1); animation-direction: reverse; animation-duration: 15s; }

.mnt-shield-status {
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
    padding: 5px 15px;
    border-radius: 20px;
    border: 1px solid rgba(76, 175, 80, 0.5);
    font-size: 0.8rem;
    color: #4CAF50;
    letter-spacing: 0.1em;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}
.mnt-shield-status .dot {
    width: 8px; height: 8px; background: #4CAF50; border-radius: 50%;
    box-shadow: 0 0 5px #4CAF50;
    animation: blink 2s infinite;
}

@keyframes shieldFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes ringSpin { from { transform: translate(-50%, -50%) rotate(0deg); } to { transform: translate(-50%, -50%) rotate(360deg); } }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }


/* --- Common Section Styles --- */
.mnt-section {
    padding: 100px 0;
    position: relative;
}

.mnt-section__header {
    margin-bottom: 4rem;
    text-align: center;
    position: relative;
}

.mnt-section__title {
    font-size: 3rem;
    font-weight: normal;
    letter-spacing: 0.1em;
    color: #fff;
    margin-bottom: 0.5rem;
    display: inline-block;
}

.mnt-section__subtitle {
    font-size: 1rem;
    color: #4CAF50;
    letter-spacing: 0.1em;
}


/* --- Risks --- */
.mnt-risks__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.mnt-risk-card {
    background: rgba(255, 50, 50, 0.05); /* 赤みがかった警告色 */
    border: 1px solid rgba(255, 50, 50, 0.2);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s;
    border-radius: 8px;
}
.mnt-risk-card:hover {
    background: rgba(255, 50, 50, 0.1);
    border-color: rgba(255, 50, 50, 0.5);
    transform: translateY(-5px);
}

.mnt-risk-card__icon {
    font-size: 2.5rem;
    color: rgba(255, 100, 100, 0.7);
    margin-bottom: 1.5rem;
}
.mnt-risk-card__title {
    font-size: 1.2rem;
    color: #fff;
    margin-bottom: 1rem;
    font-weight: bold;
}
.mnt-risk-card__text {
    font-size: 0.95rem;
    color: #ccc;
    line-height: 1.8;
}


/* --- Logic --- */
.mnt-logic__inner {
    display: flex;
    align-items: center;
    gap: 4rem;
    background: rgba(20, 30, 40, 0.6);
    border: 1px solid rgba(76, 175, 80, 0.3);
    padding: 4rem;
    border-radius: 12px;
    backdrop-filter: blur(5px);
}

.mnt-logic__content { flex: 1; }

.mnt-logic__title {
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.1);
    font-weight: bold;
    line-height: 1;
    margin-bottom: 1rem;
}
.mnt-logic__subtitle {
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 2rem;
    line-height: 1.4;
}
.mnt-logic__text {
    color: #ddd;
    line-height: 2;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.mnt-logic__visual { flex: 1; display: flex; justify-content: center; }

.mnt-server-visual {
    position: relative;
    width: 150px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.mnt-server-rack {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(76, 175, 80, 0.5);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    padding: 10px;
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.2);
}
.mnt-server-light {
    height: 4px;
    width: 100%;
    background: rgba(76, 175, 80, 0.3);
    border-radius: 2px;
    position: relative;
}
.mnt-server-light::after {
    content: ''; position: absolute; right: 5px; top: -1px;
    width: 6px; height: 6px; background: #4CAF50; border-radius: 50%;
    box-shadow: 0 0 5px #4CAF50;
    animation: blink 0.5s infinite alternate;
}
.mnt-check-icon {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 60px;
    height: 60px;
    background: #4CAF50;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.4);
}


/* --- Details (1カラム・アイコン上・タイトル幅確保) --- */
.mnt-details__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.mnt-detail-item {
    display: flex;
    flex-direction: column; /* 縦並び */
    gap: 1.5rem;
    padding: 2.5rem 2rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
    border-radius: 8px;
    align-items: flex-start;
}
.mnt-detail-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: #4CAF50;
    transform: translateY(-5px);
}

.mnt-detail-item__icon {
    font-size: 2.5rem;
    color: #4CAF50;
    margin-bottom: 0.5rem;
}

.mnt-detail-item__content {
    width: 100%;
}

.mnt-detail-item__title {
    font-size: 1.3rem;
    color: #fff;
    margin-bottom: 1rem;
    font-weight: bold;
    letter-spacing: 0.05em;
    line-height: 1.4;
}
.mnt-detail-item__text {
    color: #ccc;
    line-height: 1.8;
}


/* --- Pricing (3カラム) --- */
.mnt-pricing__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.mnt-pricing__card {
    background: rgba(30, 30, 30, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s;
    position: relative;
    display: flex;
    flex-direction: column;
}
.mnt-pricing__card:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); }

.mnt-pricing__card--featured {
    border: 2px solid rgba(76, 175, 80, 0.5);
    background: rgba(30, 30, 30, 0.8);
    box-shadow: 0 0 20px rgba(76, 175, 80, 0.1);
}

.mnt-pricing__badge {
    background: rgba(76, 175, 80, 0.2);
    color: #4CAF50;
    text-align: center;
    padding: 8px 0;
    font-size: 0.9rem;
    font-weight: bold;
    letter-spacing: 0.1em;
}

.mnt-pricing__head {
    padding: 2rem 1.5rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.mnt-pricing__name { font-size: 1.3rem; color: #4CAF50; margin-bottom: 0.8rem; font-weight: bold; }
.mnt-pricing__desc { font-size: 0.85rem; color: #ccc; line-height: 1.4; min-height: 2.8em; }

.mnt-pricing__body { padding: 2rem 1.5rem; flex-grow: 1; display: flex; flex-direction: column; }
.mnt-pricing__price { text-align: center; margin-bottom: 2rem; color: #fff; }
.mnt-pricing__price .amount { font-size: 2.5rem; font-weight: bold; }
.mnt-pricing__price .tax { font-size: 0.9rem; }
.mnt-pricing__price .type { font-size: 0.9rem; color: #888; }

.mnt-pricing__include-box {
    background: rgba(76, 175, 80, 0.1);
    border-radius: 4px;
    padding: 8px;
    text-align: center;
    color: #4CAF50;
    font-weight: bold;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
}

.mnt-pricing__list { list-style: none; padding: 0; margin-bottom: 2rem; }
.mnt-pricing__list li { font-size: 0.9rem; color: #ddd; margin-bottom: 0.8rem; padding-left: 1.5rem; position: relative; line-height: 1.5; }
.mnt-pricing__list li::before { content: '✓'; position: absolute; left: 0; color: #4CAF50; font-weight: bold; }
.mnt-pricing__list li strong { color: #fff; }

.mnt-pricing__btn {
    margin-top: auto; display: block; background: #4CAF50; color: #fff; text-align: center; padding: 1rem;
    text-decoration: none; font-weight: bold; border-radius: 4px; transition: all 0.3s;
}
.mnt-pricing__btn:hover { background: #45a049; box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3); color: #fff; transform: translateY(-2px); }

.mnt-pricing__note { text-align: center; color: #888; font-size: 0.85rem; line-height: 1.6; }

/* --- FAQ --- */
.mnt-faq__list { max-width: 800px; margin: 0 auto; }

/* --- CTA --- */
.mnt-cta {
    padding: 120px 0;
    text-align: center;
    background: linear-gradient(180deg, transparent 0%, rgba(76, 175, 80, 0.1) 100%);
}
.mnt-cta__title { font-size: 3rem; margin-bottom: 1.5rem; color: #fff; }
.mnt-cta__text { font-size: 1.1rem; line-height: 2; color: #fff; margin-bottom: 3rem; }
.mnt-cta__btn {
    display: inline-block; padding: 1.2rem 4rem; background: #4CAF50; color: #fff;
    text-decoration: none; font-size: 1.1rem; border-radius: 50px; transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(76, 175, 80, 0.3);
}
.mnt-cta__btn:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(76, 175, 80, 0.5); color: #fff; }

/* --- Responsive --- */
@media (max-width: 900px) {
    .mnt-hero { padding: 6rem 0 4rem; }
    .mnt-hero__container { flex-direction: column; text-align: center; gap: 3rem; }
    .mnt-hero__content { width: 100%; }
    .mnt-hero__visual { width: 100%; height: 300px; }
    .mnt-hero__label { margin-left: auto; margin-right: auto; display: block; width: fit-content; }
    
    .mnt-risks__grid { grid-template-columns: 1fr; }
    
    .mnt-logic__inner { flex-direction: column; padding: 2rem; }
    
    .mnt-details__grid { grid-template-columns: 1fr; }
    
    /* 料金表：スマホは1カラム */
    .mnt-pricing__grid { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 480px) {
    .mnt-hero__title-sub { font-size: 1.6rem !important; }
    .mnt-section__title { font-size: 2rem; }
}