@charset "UTF-8";

.strength-page {
    background-color: #f6f6f4;
    color: #333333;
}

.strength-page .site-header {
    background: rgba(0, 0, 0, 0.28);
}

.strength-mv {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.strength-mv-bg,
.strength-mv-bg img {
    width: 100%;
    height: 100%;
}

.strength-mv-bg img {
    display: block;
    object-fit: cover;
    object-position: center 30%;
    transform: rotate(-0.15deg) scale(1.03);
    filter: brightness(0.7);
}

.strength-mv::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(11, 20, 32, 0.62), rgba(11, 20, 32, 0.08) 70%);
    pointer-events: none;
}

.strength-mv-caption {
    position: absolute;
    left: max(40px, calc((100vw - 1200px) / 2 + 40px));
    bottom: 64px;
    z-index: 1;
    color: #ffffff;
}

.strength-mv-kicker {
    margin-bottom: 5px;
    font-family: sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.28em;
    line-height: 1.4;
}

.strength-mv-caption h1 {
    font-family: 'Zen Old Mincho', serif;
    font-size: clamp(2rem, 4vw, 3.1rem);
    font-weight: 400;
    letter-spacing: 0.2em;
}

.strength-intro-section {
    padding: 100px 0 92px;
    background-color: #556777;
    color: #ffffff;
    text-align: center;
}

.strength-narrow-inner {
    width: min(100% - 80px, 900px);
    margin: 0 auto;
}

.strength-intro-title {
    position: relative;
    display: inline-block;
    margin-bottom: 30px;
    padding-bottom: 26px;
    font-family: 'Zen Old Mincho', serif;
    font-size: 1.9rem;
    font-weight: 400;
    letter-spacing: 0.25em;
}

.strength-intro-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 120px;
    height: 1.5px;
    transform: translateX(-50%);
    background-color: #ffffff;
}

.strength-intro-lead {
    font-size: 0.92rem;
    line-height: 2.2;
    letter-spacing: 0.08em;
}

.strength-list-section {
    background-color: #f6f6f4;
}

.strength-item {
    padding: 110px 0;
    border-bottom: 1px solid #d8dde1;
}

.strength-item:first-child {
    border-top: none;
}

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

.strength-item:nth-child(even) {
    background-color: #ffffff;
}

.strength-item-inner {
    width: min(100% - 120px, 1200px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 420px;
    gap: 90px;
    align-items: center;
}

.strength-item--reverse .strength-item-media {
    order: -1;
}

.strength-item--reverse .strength-item-inner {
    grid-template-columns: 420px minmax(0, 1fr);
}

.strength-item-copy {
    min-width: 0;
}

.strength-item-heading {
    display: flex;
    align-items: baseline;
    gap: 18px;
    margin-bottom: 14px;
}

.strength-item-number {
    flex: 0 0 auto;
    margin-bottom: 0;
    color: #6f8eaa;
    font-family: sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.2em;
}

.strength-item-number span {
    margin-left: 10px;
    color: #9aa7b1;
    font-size: 0.65rem;
    letter-spacing: 0.14em;
}

.strength-item h2 {
    margin-bottom: 14px;
    color: #1b355a;
    font-family: 'Zen Old Mincho', serif;
    font-size: clamp(1.45rem, 2.2vw, 2rem);
    font-weight: 500;
    line-height: 1.55;
    letter-spacing: 0.1em;
}

.strength-item-heading h2 {
    flex: 1;
    margin-bottom: 0;
}

.strength-item h2 small {
    display: inline;
    margin-left: 0.25em;
    font-size: 0.62em;
    font-weight: 400;
    letter-spacing: 0.06em;
}

.strength-item-subtitle {
    margin-bottom: 24px;
    color: #6f8eaa;
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.1em;
}

.strength-item-lead {
    margin-bottom: 26px;
    padding: 12px 0;
    color: #333333;
    font-family: 'Zen Old Mincho', serif;
    font-size: 1.18rem;
    line-height: 1.8;
    letter-spacing: 0.1em;
}

.strength-item-copy > p:not(.strength-item-number):not(.strength-item-subtitle):not(.strength-item-lead):not(.strength-note) {
    margin-bottom: 1.45em;
    color: #4a4a4a;
    font-size: 0.9rem;
    line-height: 2.15;
    letter-spacing: 0.055em;
}

.strength-points {
    list-style: none;
    margin: 28px 0 22px;
    padding: 0;
    border-top: 1px solid #c9d1d8;
}

.strength-item:first-child .strength-points {
    border-top: none;
}

.strength-points li {
    position: relative;
    padding: 12px 0 12px 22px;
    border-bottom: 1px solid #c9d1d8;
    color: #3f4d5a;
    font-size: 0.86rem;
    line-height: 1.7;
    letter-spacing: 0.05em;
}

.strength-item:last-child .strength-points li:last-child {
    border-bottom: none;
}

.strength-points li::before {
    content: '';
    position: absolute;
    top: calc(1.25em + 4px);
    left: 2px;
    width: 7px;
    height: 7px;
    background-color: #6f8eaa;
    transform: rotate(45deg);
}

.strength-note {
    color: #78848d;
    font-size: 0.72rem;
    line-height: 1.8;
    letter-spacing: 0.04em;
}

.strength-item-media {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background-color: #dbe1e5;
}

.strength-item-media img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    filter: saturate(0.82);
}

.strength-item-media span {
    position: absolute;
    right: 20px;
    bottom: 18px;
    z-index: 3;
    color: #ffffff;
    font-family: sans-serif;
    font-size: 0.62rem;
    letter-spacing: 0.16em;
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.4);
}

.strength-page .ac-section {
    border-top: none;
}

@media (max-width: 900px) {
    .strength-mv {
        height: 330px;
    }

    .strength-mv-caption {
        left: 32px;
        bottom: 32px;
    }

    .strength-intro-section {
        padding: 76px 0 70px;
    }

    .strength-narrow-inner {
        width: min(100% - 48px, 680px);
    }

    .strength-intro-lead {
        text-align: left;
    }

    .strength-intro-lead br {
        display: none;
    }

    .strength-item {
        padding: 76px 0;
    }

    .strength-item-inner {
        width: min(100% - 48px, 680px);
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .strength-item--reverse .strength-item-inner {
        grid-template-columns: 1fr;
    }

    .strength-item--reverse .strength-item-media {
        order: 0;
    }

    .strength-item-media {
        width: min(100%, 430px);
        aspect-ratio: 4 / 3;
        justify-self: center;
    }
}

@media (max-width: 768px) {
    .strength-mv {
        height: 240px;
    }

    .strength-intro-section {
        padding-top: 60px;
    }

    .strength-mv-bg img {
        object-position: 28% 18%;
        transform: rotate(-0.15deg) scale(1.1);
        transform-origin: center top;
    }

    .strength-mv-caption {
        left: 24px;
    }

    .strength-page .ac-overlay-svg text {
        font-size: 34px;
        letter-spacing: 3px;
    }

    .strength-intro-lead,
    .strength-item-subtitle,
    .strength-item-lead,
    .strength-item-copy > p:not(.strength-item-number):not(.strength-item-subtitle):not(.strength-item-lead):not(.strength-note),
    .strength-points li {
        font-size: 0.9rem;
        line-height: 2;
        letter-spacing: 0.08em;
    }

    .strength-item h2 {
        font-size: 1.12rem;
        line-height: 1.4;
    }
}

@media (max-width: 600px) {
    .strength-mv-caption {
        left: 24px;
        bottom: 24px;
    }

    .strength-mv-caption h1 {
        font-size: 1.5rem;
    }

    .strength-narrow-inner,
    .strength-item-inner {
        width: calc(100% - 48px);
    }

    .strength-intro-title {
        font-size: 1.25rem;
    }

    .strength-intro-lead {
        font-size: 0.9rem;
        line-height: 2;
    }

    .strength-item {
        padding: 64px 0;
    }

    .strength-item-inner {
        gap: 34px;
    }

    .strength-item h2 {
        font-size: 1.12rem;
        line-height: 1.4;
    }

    .strength-item h2 small {
        display: block;
        margin: 5px 0 0;
        font-size: 0.65em;
    }

    .strength-item-subtitle {
        font-size: 0.9rem;
    }

    .strength-item-lead {
        font-size: 0.9rem;
    }

    .strength-item-copy > p:not(.strength-item-number):not(.strength-item-subtitle):not(.strength-item-lead):not(.strength-note) {
        font-size: 0.9rem;
        line-height: 2;
    }

    .strength-points li {
        font-size: 0.9rem;
    }

    .strength-note {
        font-size: 0.72rem;
    }
}