/*
===============================================
Shinka AI - Mission Page
ミッションページ
===============================================
*/

/* ========================================
   Mission Hero Section（タイプライター）
   ======================================== */

.shinka-mission-hero {
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.shinka-mission-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(71, 149, 232, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.shinka-mission-hero::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(203, 104, 121, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
}

.shinka-mission-hero__content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.shinka-mission-hero__lead {
    font-size: 16px;
    font-weight: 900;
    letter-spacing: 0.3em;
    color: #4795E8;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out 0.3s forwards;
}

.shinka-mission-hero__message {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 900;
    line-height: 1.6;
    color: #0A0E27;
    font-family: "游明朝体", "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Hiragino Mincho Pro", "HG明朝E", serif;
    position: relative;
    min-height: 200px;
}

/* タイプライターカーソル */
.shinka-mission-hero__message::after {
    content: '|';
    display: inline-block;
    margin-left: 4px;
    animation: blink 1s step-end infinite;
    color: #4795E8;
}

.shinka-mission-hero__message.typing-complete::after {
    animation: none;
    opacity: 0;
}

@keyframes blink {
    0%, 50% {
        opacity: 1;
    }
    51%, 100% {
        opacity: 0;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Mission Detail Section
   ======================================== */

.shinka-mission-detail {
    padding: 100px 0;
    background: white;
}

.shinka-mission-detail__content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.shinka-mission-detail__text {
    font-size: 18px;
    line-height: 2;
    color: #495057;
    margin-bottom: 40px;
    font-family: "游明朝体", "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Hiragino Mincho Pro", "HG明朝E", serif;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.shinka-mission-detail__text:nth-child(1) {
    animation-delay: 0.2s;
}

.shinka-mission-detail__text:nth-child(2) {
    animation-delay: 0.4s;
}

.shinka-mission-detail__text:nth-child(3) {
    animation-delay: 0.6s;
    margin-bottom: 0;
}

/* ========================================
   MVV Section
   ======================================== */

.shinka-mvv {
    padding: 100px 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
}

.shinka-mvv-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 80px;
    margin-bottom: 120px;
    align-items: start;
}

.shinka-mvv-item:last-child {
    margin-bottom: 0;
}

.shinka-mvv-item--reverse {
    grid-template-columns: 1fr 300px;
}

.shinka-mvv-item--reverse .shinka-mvv-item__icon-wrapper {
    order: 2;
}

.shinka-mvv-item--reverse .shinka-mvv-item__content {
    order: 1;
}

.shinka-mvv-item__icon-wrapper {
    position: sticky;
    top: 120px;
}

.shinka-mvv-item__icon {
    width: 160px;
    height: 160px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(71, 149, 231, 0.1) 0%, rgba(202, 103, 121, 0.1) 100%);
    border-radius: 50%;
    position: relative;
    transition: all 0.4s ease;
}

.shinka-mvv-item__icon::before {
    content: '';
    position: absolute;
    inset: -10px;
    border-radius: 50%;
    background: linear-gradient(135deg, #4795E8 0%, #CB6879 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.shinka-mvv-item:hover .shinka-mvv-item__icon::before {
    opacity: 0.2;
}

.shinka-mvv-item__icon svg {
    stroke: url(#gradient-mvv);
    transition: transform 0.4s ease;
}

.shinka-mvv-item:hover .shinka-mvv-item__icon svg {
    transform: scale(1.1);
}

.shinka-mvv-item__content {
    padding-top: 20px;
}

.shinka-mvv-item__label {
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0.3em;
    color: #4795E8;
    margin-bottom: 16px;
    display: block;
}

.shinka-mvv-item__title {
    font-size: 36px;
    font-weight: 900;
    color: #0A0E27;
    margin-bottom: 32px;
    line-height: 1.4;
}

.shinka-mvv-item__description {
    font-size: 18px;
    line-height: 2;
    color: #495057;
    margin-bottom: 60px;
    font-family: "游明朝体", "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Hiragino Mincho Pro", "HG明朝E", serif;
}

.shinka-mvv-item__details {
    display: grid;
    gap: 24px;
    margin-top: 40px;
}

.shinka-mvv-item__detail {
    position: relative;
    padding: 36px 40px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 20px;
    border: 1px solid rgba(71, 149, 232, 0.1);
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.04),
        0 2px 8px rgba(0, 0, 0, 0.02);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

/* 背景装飾 */
.shinka-mvv-item__detail::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(71, 149, 232, 0.03) 0%, transparent 70%);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.shinka-mvv-item__detail:hover::after {
    top: -30%;
    right: -30%;
    transform: scale(1.2);
}

.shinka-mvv-item__detail-title {
    position: relative;
    font-size: 22px;
    font-weight: 700;
    color: #0A0E27;
    margin-bottom: 16px;
    padding-left: 32px;
    letter-spacing: 0.02em;
    z-index: 1;
}

/* タイトル用のアイコン装飾 */
.shinka-mvv-item__detail-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, #4795E8 0%, #357ABD 100%);
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(71, 149, 232, 0.25);
    transition: all 0.3s ease;
}

.shinka-mvv-item__detail:hover .shinka-mvv-item__detail-title::before {
    transform: translateY(-50%) rotate(45deg) scale(1.1);
    box-shadow: 0 4px 12px rgba(71, 149, 232, 0.4);
}

.shinka-mvv-item__detail-text {
    position: relative;
    font-size: 16px;
    line-height: 1.9;
    color: #495057;
    margin: 0;
    padding-left: 32px;
    z-index: 1;
    font-weight: 400;
}

/* VALUE Cards */
.shinka-mvv-item__values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.shinka-mvv-value-card {
    padding: 40px 32px;
    background: white;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.shinka-mvv-value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #4795E8 0%, #CB6879 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.shinka-mvv-value-card:hover::before {
    transform: scaleX(1);
}

.shinka-mvv-value-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(71, 149, 232, 0.2);
}

.shinka-mvv-value-card__number {
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, #4795E8 0%, #CB6879 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 24px;
    line-height: 1;
}

.shinka-mvv-value-card__title {
    font-size: 20px;
    font-weight: 700;
    color: #0A0E27;
    margin-bottom: 16px;
}

.shinka-mvv-value-card__text {
    font-size: 15px;
    line-height: 1.8;
    color: #495057;
    margin: 0;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    .shinka-mission-hero {
        padding: 80px 0;
    }

    .shinka-mission-hero__lead {
        font-size: 14px;
        margin-bottom: 24px;
    }

    .shinka-mission-hero__message {
        font-size: 28px;
        min-height: 300px;
    }

    .shinka-mission-detail {
        padding: 60px 0;
    }

    .shinka-mission-detail__text {
        font-size: 16px;
        margin-bottom: 32px;
    }

    .shinka-mvv {
        padding: 60px 0;
    }

    .shinka-mvv-item {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 80px;
    }

    .shinka-mvv-item--reverse {
        grid-template-columns: 1fr;
    }

    .shinka-mvv-item--reverse .shinka-mvv-item__icon-wrapper {
        order: 1;
    }

    .shinka-mvv-item--reverse .shinka-mvv-item__content {
        order: 2;
    }

    .shinka-mvv-item__icon-wrapper {
        position: static;
    }

    .shinka-mvv-item__icon {
        width: 120px;
        height: 120px;
    }

    .shinka-mvv-item__title {
        font-size: 28px;
        margin-bottom: 24px;
    }

    .shinka-mvv-item__description {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .shinka-mvv-item__detail {
        padding: 28px 24px;
    }

    .shinka-mvv-item__detail:hover {
        transform: translateX(6px);
    }

    .shinka-mvv-item__detail-title {
        font-size: 19px;
        padding-left: 28px;
    }

    .shinka-mvv-item__detail-title::before {
        width: 16px;
        height: 16px;
    }

    .shinka-mvv-item__detail-text {
        font-size: 15px;
        padding-left: 28px;
        line-height: 1.8;
    }

    .shinka-mvv-item__values {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .shinka-mvv-value-card {
        padding: 32px 24px;
    }

    .shinka-mvv-value-card__number {
        font-size: 40px;
    }
}

/* SVG Gradient Definition */
svg defs {
    position: absolute;
}