.krs {
    --krs-paper: #f8f4ec;
    --krs-ink: #493a2e;
    --krs-line: rgba(73, 58, 46, .36);
    --krs-heading-ornament-image: none;
    --krs-side-ornament-image: none;
    --krs-prev-icon-image: none;
    --krs-next-icon-image: none;
    position: relative;
    width: 100%;
    min-height: 100svh;
    padding: clamp(50px, 6.3svh, 72px) 0 var(--clamp-100);
    overflow: hidden;
    color: var(--krs-ink);
    background: var(--krs-paper);
    box-sizing: border-box;
}

.krs *,
.krs *::before,
.krs *::after {
    box-sizing: border-box;
}

.krs-heading {
    width: 90%;
    margin: 0 auto clamp(24px, 3.3svh, 36px);
    text-align: center;
}

.krs-heading__ornament {
    position: relative;
    display: block;
    width: 80%;
    max-width: 1200px;
    height: 45px;
    background: var(--krs-heading-ornament-image) center / contain no-repeat;
    object-fit: contain;
    margin: 0 auto 14px;
}

/* WebP差し替え前の仮装飾 */
.krs-heading__ornament::before {
    content: none;
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background:
        linear-gradient(to right,
            transparent 0 4%,
            var(--krs-line) 4% 31%,
            transparent 31% 42%,
            var(--krs-line) 42% 58%,
            transparent 58% 69%,
            var(--krs-line) 69% 96%,
            transparent 96% 100%);
}

.krs-heading__ornament::after {
    content: none;
    position: absolute;
    top: 50%;
    left: 50%;
    padding: 0 12px;
    font: 18px/1 serif;
    color: var(--krs-ink);
    background: var(--krs-paper);
    transform: translate(-50%, -50%) rotate(45deg);
}

.krs-heading__title {
    margin: 0;
    font-family: var(--font-family03);
    font-size: var(--font-size40);
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: .003em;
}

.krs-stage {
    position: relative;
    width: min(1600px, calc(100% - 15vw));
    height: clamp(400px, 42.2vw, 800px);
    margin: 0 auto;
}

.krs-defs {
    position: absolute;
    width: 0;
    height: 0;
    overflow: hidden;
}

.krs-bend {
    position: absolute;
    inset: 0;
    overflow: hidden;
    clip-path: url(#krs-bend);
}

.krs-slider {
    position: absolute;
    inset: 0;
    overflow: hidden;
    background: #d8d0c4;
    cursor: grab;
    touch-action: pan-y;
    outline: none;
}

.krs-slider.is-drag {
    cursor: grabbing;
}

.krs-slider:focus-visible {
    box-shadow: inset 0 0 0 2px #8f7b69;
}

.krs-plane {
    position: absolute;
    top: 0;
    left: 0;
    backface-visibility: hidden;
    will-change: transform, clip-path;
}

.krs-plane__inner {
    width: 100%;
    height: 100%;
    transform-origin: 50% 50%;
    will-change: transform;
}

.krs-plane__inner img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    user-select: none;
    -webkit-user-drag: none;
}

.krs-ui {
    position: absolute;
    inset: 0;
    z-index: 8;
    pointer-events: none;
}

.krs-caption {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.krs-dots {
    position: absolute;
    right: 0;
    bottom: -30px;
    display: flex;
    gap: 9px;
    align-items: center;
    justify-content: flex-end;
    pointer-events: auto;
}

.krs-dots button {
    box-sizing: border-box;
    width: 6px!important;
    height: 6px!important;
    padding: 0!important;
    border: 1px solid var(--krs-ink)!important;
    background: transparent!important;
    transform: rotate(45deg)!important;
    cursor: pointer!important;
    transition: width .5s, height .5s, background .5s, transform .5s!important;
}

.krs-dots button[aria-current="true"] {
    width: 18px!important;
    height: 18px!important;
    border: 0!important;
    background: transparent url('/wp-content/uploads/icon-slider-active.webp') center / contain no-repeat!important;
    transform: none!important;
}

.krs-dots button:focus-visible {
    outline: 2px solid #8f7b69;
    outline-offset: 4px;
}

.krs-nav {
    position: absolute;
    z-index: 10;
    top: 50%;
    display: grid;
    width: clamp(48px, 5.6vw, 66px);
    aspect-ratio: 1;
    padding: 0!important;
    border: 1px solid rgba(248, 244, 236, .68)!important;
    border-radius: 50%;
    place-items: center;
    color: var(--krs-paper)!important;;
    background: transparent!important;;
    transform: translateY(-50%);
    cursor: pointer!important;;
    transition: background-color .25s, border-color .25s, transform .25s;
}

.krs-nav:hover,
.krs-nav:focus-visible {
    border-color: var(--krs-paper);
    background-color: rgba(248, 244, 236, .12);
    transform: translateY(-50%) scale(1.06);
}

.krs-nav:focus-visible {
    outline: 2px solid var(--krs-paper);
    outline-offset: 3px;
}

.krs-nav--prev {
    left: 3%;
}

.krs-nav--next {
    right: 3%;
}

.krs-nav__asset {
    display: block;
    width: 70%;
    height: 70%;
    mask: url('/wp-content/uploads/icon-usagi.svg') center / contain no-repeat;
    background-color: var(--color-font-light);
}

.krs-nav--prev .krs-nav__asset {
    transform: scaleX(-1);
}

.krs-nav__asset::before {
    content: none;
}

.krs-side-ornament {
    position: absolute;
    z-index: 9;
    top: 50%;
    width: 40px;
    background: var(--krs-side-ornament-image) center / contain no-repeat;
    object-fit: contain;
    pointer-events: none;
    transform: translateY(-50%);
    height: 80%;
}

.krs-side-ornament--left {
    left: -58px;
}

.krs-side-ornament--right {
    right: -58px;
}

/* WebP差し替え前の仮縦装飾 */
.krs-side-ornament::before {
    content: none;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    background: linear-gradient(to bottom, var(--krs-line) 0 43%, transparent 43% 57%, var(--krs-line) 57% 100%);
}

.krs-side-ornament::after {
    content: none;
    position: absolute;
    top: 50%;
    left: 50%;
    font: 16px/1 serif;
    color: var(--krs-ink);
    transform: translate(-50%, -50%) rotate(45deg);
}

@media (max-width: 767px) {
    .krs {
        min-height: auto;
        padding: 48px 0 64px;
    }

    .krs-heading {
        width: calc(100% - 40px);
        margin-bottom: 24px;
    }

    .krs-heading__ornament {
        height: 24px;
        margin-bottom: 10px;
        width: 100%;
    }

    .krs-heading__title {
        font-size: clamp(17px, 4.8vw, 21px);
    }

    .krs-stage {
        width: calc(100% - 32px);
        height: 460px;
    }

    .krs-side-ornament {
        display: none;
    }

    .krs-nav {
        width: 44px;
    }

    .krs-nav--prev {
        left: 4%;
    }

    .krs-nav--next {
        right: 4%;
    }

    .krs-dots {
        bottom: -27px;
    }
    .krs-dots button[aria-current="true"] {
        width: 12px !important;
        height: 12px !important;
    }
}

@media (prefers-reduced-motion: reduce) {
    .krs-bend {
        clip-path: none;
    }
}