:root {
    --bg: #fdf3f3;
    --ink: #e14648;
    --ink2: #b43739;
    --paper: #fff8f0;
    --paper2: #fff2e2;
    --wood: #8a5a3c;
    --wood2: #6f4630;
    --text: #263244;
    --shadow: rgba(0, 0, 0, .12);
    --shadow2: rgba(0, 0, 0, .18);
    --radius: 16px;
    --radius2: 22px;
}

* {
    box-sizing: border-box;
    scrollbar-width: none;
    -ms-overflow-style: none;
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

html,
body {
    width: 100dvw;
    height: 100dvh;
    overscroll-behavior: none;
}

*::-webkit-scrollbar,
*::-webkit-scrollbar {
    display: none;
}

a { text-decoration: none; }

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", sans-serif;
    background-size: 100px 50px;
    background-image:
        radial-gradient(circle farthest-side at 100% 150%,
            var(--paper) 14%,
            var(--paper2) 15%,
            var(--paper2) 18%,
            var(--paper) 19%,
            var(--paper) 30%,
            var(--paper2) 31%,
            var(--paper2) 34%,
            var(--paper) 35%,
            var(--paper) 46%,
            var(--paper2) 47%,
            var(--paper2) 50%,
            transparent 50%,
            transparent),
        radial-gradient(circle farthest-side at 0% 150%,
            var(--paper) 14%,
            var(--paper2) 15%,
            var(--paper2) 18%,
            var(--paper) 19%,
            var(--paper) 30%,
            var(--paper2) 31%,
            var(--paper2) 34%,
            var(--paper) 35%,
            var(--paper) 46%,
            var(--paper2) 47%,
            var(--paper2) 50%,
            transparent 50%,
            transparent),
        radial-gradient(circle closest-corner at 50% 100%,
            var(--paper) 28%,
            var(--paper2) 30%,
            var(--paper2) 36%,
            var(--paper) 38%,
            var(--paper) 60%,
            var(--paper2) 62%,
            var(--paper2) 68%,
            var(--paper) 70%,
            var(--paper) 92%,
            var(--paper2) 94%,
            var(--paper2) 100%,
            transparent 100%,
            transparent),
        radial-gradient(circle farthest-side at 100% 50%,
            var(--paper) 14%,
            var(--paper2) 15%,
            var(--paper2) 18%,
            var(--paper) 19%,
            var(--paper) 30%,
            var(--paper2) 31%,
            var(--paper2) 34%,
            var(--paper) 35%,
            var(--paper) 46%,
            var(--paper2) 47%,
            var(--paper2) 50%,
            transparent 50%,
            transparent),
        radial-gradient(circle farthest-side at 0% 50%,
            var(--paper) 14%,
            var(--paper2) 15%,
            var(--paper2) 18%,
            var(--paper) 19%,
            var(--paper) 30%,
            var(--paper2) 31%,
            var(--paper2) 34%,
            var(--paper) 35%,
            var(--paper) 46%,
            var(--paper2) 47%,
            var(--paper2) 50%,
            var(--paper) 50%,
            var(--paper));
    color: var(--ink);
    overflow-x: hidden;
}

/* subtle shrine-ish pattern */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 10% 10%, rgba(225, 70, 72, .08), transparent 35%),
        radial-gradient(circle at 90% 20%, rgba(225, 70, 72, .06), transparent 40%),
        radial-gradient(circle at 20% 90%, rgba(138, 90, 60, .06), transparent 45%),
        linear-gradient(180deg, rgba(255, 255, 255, .2), transparent 35%, rgba(255, 255, 255, .15));
    pointer-events: none;
    z-index: -1;
}

.small {
    font-size: 12px;
}

.muted {
    opacity: .75;
}

.site-header {
    height: 60px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    background:
        linear-gradient(90deg,
            rgba(124, 96, 73, 0.6),
            rgba(117, 90, 69, 0.6) 60%,
            rgba(124, 96, 73, 0.6)),
        repeating-radial-gradient(ellipse at 60% 500%,
            #6f5441,
            #6f5441 0.25%,
            #755a45 0.6%,
            #755a45 1%);
    border-bottom: 1px solid rgba(225, 70, 72, .18);
    padding: 5px;
    display: flex;
    flex-wrap: nowrap;
    gap: 14px;
    align-items: center;
    justify-content: space-between;
}

.tabs {
    position: absolute;
    inset: 0;
    height: 100%;
    width: 100%;
    max-width: 600px;
    display: flex;
    gap: 5px;
    flex-wrap: nowrap;
    align-items: center;
    margin: 0 auto;
}

.tab {
    height: 65px;
    width: 32%;
    background:
        linear-gradient(45deg, var(--paper2) 25%, transparent 25%),
        linear-gradient(-45deg, var(--paper2) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--paper2) 75%),
        linear-gradient(-45deg, transparent 75%, var(--paper2) 75%),
        var(--paper);
    background-size: 24px 24px;
    /* マス目サイズ（お好みで） */
    background-position:
        0 0,
        0 12px,
        12px -12px,
        -12px 0;
    color: var(--ink);
    padding: 5px;
    border-radius: 0 0 5px 5px;
    cursor: pointer;
    font-weight: 700;
    border-color: transparent;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.25);
}

.tab.is-active {
    background:
        linear-gradient(45deg, var(--ink2) 25%, transparent 25%),
        linear-gradient(-45deg, var(--ink2) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--ink2) 75%),
        linear-gradient(-45deg, transparent 75%, var(--ink2) 75%),
        var(--ink);
    background-size: 24px 24px;
    background-position:
        0 0,
        0 12px,
        12px -12px,
        -12px 0;
    color: #fff;
}

.tab--danger {
    color: #fff;
    background: #8f2a2c;
}

.tab[data-view="play"] {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.tab[data-view="last"] {
    position: absolute;
    top: 0;
    left: 0;
}

.tab[data-view="achv"] {
    position: absolute;
    top: 0;
    right: 0;
}

.tab img {
    height: 100%;
    width: auto;
}

.tab .label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    white-space: nowrap;
    color: var(--text);
    font-weight: bold;
    font-size: large;
    text-shadow:
        -1px -1px 0 var(--paper),
        1px -1px 0 var(--paper),
        -1px 1px 0 var(--paper),
        1px 1px 0 var(--paper);
}

.container {
    width: 600px;
    max-height: 100vh;
    max-width: 100%;
    margin: 0 auto;
    padding: 60px 0px 0px 0px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow-y: auto;
}

.view {
    display: none;
}

.view.is-active {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: calc(100dvh - 60px);
    overflow-y: auto;
    justify-content: flex-start;
    align-items: center;
}

.view.is-active>.stage {
    margin-block: auto;
    width: 100%;
}

.stage {
    width: 100%;
    height: auto;
    max-height: 100%;
    display: flex;
    align-items: start;
    padding: 0 10px;
}

.stage__center {
    width: 100%;
    height: auto;
    max-height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.box-wrap {
    height: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    place-items: center;
    flex-direction: column;
    opacity: 1;
    transition: opacity .5s ease;
}

.box-wrap.is-fadeout {
    opacity: 0;
    display: none;
}

.hex-box {
    width: 70%;
    height: auto;
    filter: drop-shadow(0 20px 25px var(--shadow2));
    opacity: 1;
    z-index: 1;
    pointer-events: none;
}

.hex-box__inner {
    width: 100%;
    height: 100%;
    position: relative;
}

.hex-box__img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    /* 箱が潰れない */
    pointer-events: none;
    user-select: none;
    filter:
        drop-shadow(0 6px 12px rgba(0, 0, 0, 0.25)) drop-shadow(0 0 18px rgba(255, 255, 255, 0.35));
}

.hex-box,
.hex-box__inner {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* 抽選アニメーション：横シェイク→180回転→縦シェイク */
:root {
    --shakeDur: 1s;
    --shakeCount: 1;

    --spinDur: 0.8s;

    --gap1: 0.1s;
    --gap2: 0.1s;

    /* 揺れ向け：加速→減速が自然 */
    --easeShake: cubic-bezier(.34, 1.56, .64, 1);
    /* 回転向け：ゆるく溜めて回る */
    --easeSpin: cubic-bezier(.22, 1, .36, 1);
}

.hex-box.is-shake {
    animation:
        shakeX var(--shakeDur) var(--easeShake) 0s var(--shakeCount),
        shakeY var(--shakeDur) var(--easeShake) calc((var(--shakeDur) * var(--shakeCount)) + var(--gap1) + var(--spinDur) + var(--gap2)) var(--shakeCount);
    will-change: transform;
}

.hex-box.is-shake .hex-box__inner {
    animation:
        spinHalf var(--spinDur) var(--easeSpin) calc((var(--shakeDur) * var(--shakeCount)) + var(--gap1)) 1 forwards;
    will-change: transform;
}


@keyframes shakeX {
    0% {
        transform: translateX(0) rotate(0deg);
    }

    15% {
        transform: translateX(-10px) rotate(-2.2deg);
    }

    35% {
        transform: translateX(10px) rotate(2.2deg);
    }

    55% {
        transform: translateX(-7px) rotate(-1.6deg);
    }

    75% {
        transform: translateX(7px) rotate(1.6deg);
    }

    90% {
        transform: translateX(-2px) rotate(-0.6deg);
        /* 余韻 */
    }

    100% {
        transform: translateX(0) rotate(0deg);
    }
}


@keyframes spinHalf {
    0% {
        transform: rotate(0deg);
    }

    20% {
        transform: rotate(0deg);
    }

    /* 溜め */
    100% {
        transform: rotate(180deg);
    }
}

@keyframes shakeY {
    0% {
        transform: translateY(0);
    }

    15% {
        transform: translateY(-10px);
    }

    35% {
        transform: translateY(10px);
    }

    55% {
        transform: translateY(-7px);
    }

    75% {
        transform: translateY(7px);
    }

    90% {
        transform: translateY(-2px);
    }

    /* 余韻 */
    100% {
        transform: translateY(0);
    }
}


.controls {
    margin-top: 14px;
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    z-index: 1;
}

.status {
    font-size: 13px;
    opacity: .85;
}

button {
    font: inherit;
}

.primary {
    background: var(--ink);
    color: #fff;
    border: none;
    padding: 12px 16px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 900;
    box-shadow: 0 12px 28px var(--shadow2);
}

.primary:hover {
    transform: translateY(-1px);
}

.primary:disabled {
    opacity: .6;
    cursor: not-allowed;
    transform: none;
}

.ghost {
    background: transparent;
    border: 1px solid rgba(225, 70, 72, .28);
    color: var(--ink);
    padding: 10px 12px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 800;
}

.ghost:hover {
    background: rgba(225, 70, 72, .06);
}

/* 謎の表示（六角抽選箱の上に重ねてズーム） */
.puzzle-layer {
    height: auto;
    display: none;
    place-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
}

.puzzle-layer.is-show {
    display: grid;
    opacity: 1;
    pointer-events: auto;
}

.puzzle-layer img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border: 1px solid rgba(225, 70, 72, .22);
    box-shadow: 0 18px 45px var(--shadow2);
    background: #fff;
    transform: scale(.2) translateY(80px);
    opacity: 0;
}

.puzzle-layer.is-zoom img {
    animation: zoomFromBox .55s cubic-bezier(.2, .9, .2, 1) forwards;
}

@keyframes zoomFromBox {
    0% {
        transform: scale(.2) translateY(120px);
        opacity: 0;
    }

    100% {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.puzzle-caption {
    margin-top: 10px;
    text-align: center;
    font-weight: 900;
    letter-spacing: .08em;
}

.puzzle-hint {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    opacity: .75;
    letter-spacing: 0;
}

/* 棚 */
.shelf-wrap {
    width: 100%;
    display: none;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .35s ease, transform .35s ease;
}

.shelf-wrap.is-show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.shelf-head {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 10px;
}

.shelf-title {
    font-weight: 1000;
    letter-spacing: .1em;
}

.shelf-sub {
    display: flex;
    gap: 10px;
    align-items: center;
}

.shelf {
    display: grid;
    gap: 5px;
    padding: 5px 10px;
    background:
        linear-gradient(90deg,
            rgba(124, 96, 73, 0.6),
            rgba(117, 90, 69, 0.6) 60%,
            rgba(124, 96, 73, 0.6)),
        repeating-radial-gradient(ellipse at 60% 500%,
            #6f5441,
            #6f5441 0.25%,
            #755a45 0.6%,
            #755a45 1%);
    border: 1px solid rgba(138, 90, 60, .35);
    box-shadow: inset 0 10px 25px rgba(0, 0, 0, .12);
}

.shelf-cell {
    position: relative;
    background: transparent;
    border: 2px solid #2f2924;
    aspect-ratio: 7 / 5;
    cursor: pointer;
    display: grid;
    place-items: center;
    user-select: none;
    overflow: hidden;
}

.shelf-cell::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30%;
    height: 10%;
    background: #2f2924;
    clip-path: polygon(0% 0%,
            100% 0%,
            75% 100%,
            25% 100%);
}

.answer-img {
    width: 80%;
    height: 80%;
    opacity: 0.9;
    object-fit: contain;
    pointer-events: none;
    user-select: none;
}

.silhouette {
    width: 70%;
    height: 65%;
    opacity: .82;
    filter: drop-shadow(0 10px 10px rgba(0, 0, 0, .15));
    background: rgba(35, 25, 20, .55);
    border-radius: 12px;
    clip-path: polygon(10% 90%, 10% 40%, 30% 20%, 50% 10%, 70% 20%, 90% 40%, 90% 90%);
}


.shelf-cell.is-correct {
    outline: 3px solid rgba(255, 215, 110, .95);
    box-shadow: 0 0 0 6px rgba(255, 215, 110, .28), inset 0 10px 18px rgba(0, 0, 0, .10);
}

.shelf-cell.is-wrong {
    background-color: transparent;
}

.panel {
    width: 100%;
    background: transparent;
    margin-bottom: 30px;
}

.panel__head {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin: 20px auto;
}

.panel__head h2 {
    margin: 0;
    letter-spacing: .08em;
    background: var(--ink);
    color: var(--paper);
    padding: 5px 20px;
    border-radius: 9999px;
}

.panel__body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 10px;
}

.canvas-card {
    background: transparent;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

canvas {
    width: 70%;
    height: auto;
    background: #fff;
    box-shadow: 0px 5px 15px 0px rgba(0, 0, 0, 0.35);
}

.canvas-actions {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin-top: 10px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.canvas-actions .primary {
    font-weight: 100;
    font-size: small;
    padding: 2px 20px;
}

.canvas-actions .ghost {
    font-weight: bold;
    font-size: x-large;
    margin-top: 20px;
    background-color: var(--ink);
    color:var(--paper);
}

.collection-stats {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.stat {
    background: #fff;
    border: 1px solid rgba(225, 70, 72, .18);
    border-radius: 999px;
    padding: 8px 12px;
    font-weight: 900;
    box-shadow: 0 10px 20px var(--shadow);
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 5px;
}

.card {
    background: rgba(255, 255, 255, .7);
    border: 1px solid rgba(225, 70, 72, .18);
    border-radius: 18px;
    padding: 12px;
    box-shadow: 0 14px 30px var(--shadow);
}

.card__title {
    font-weight: 1000;
    letter-spacing: .06em;
    margin-bottom: 8px;
}

.card__meta {
    font-size: 10px;
    opacity: .8;
    white-space: nowrap;
}

.empty {
    margin-top: 12px;
    padding: 16px;
    border-radius: 18px;
    border: 1px dashed rgba(225, 70, 72, .25);
    opacity: .85;
}

/* modal */
.modal {
    border: none;
    padding: 0;
    border-radius: 18px;
    width: min(920px, 94vw);
    box-shadow: 0 30px 90px rgba(0, 0, 0, .28);
}

.modal::backdrop {
    background: rgba(0, 0, 0, .35);
}

.modal__inner {
    background: var(--paper);
    border: 1px solid rgba(225, 70, 72, .18);
    border-radius: 18px;
    overflow: hidden;
}

.modal__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(225, 70, 72, .18);
}

.modal__title {
    font-weight: 1000;
    letter-spacing: .1em;
}

.modal__close {
    border: 1px solid rgba(225, 70, 72, .22);
    background: #fff;
    color: var(--ink);
    width: 40px;
    height: 40px;
    border-radius: 999px;
    cursor: pointer;
    font-weight: 1000;
}

.modal__body {
    padding: 14px 16px;
}

.modal__foot {
    padding: 12px 16px 16px;
    display: flex;
    justify-content: flex-end;
}

.site-footer {
    padding: 22px 18px 40px;
    text-align: center;
}

.achv-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    background:
        linear-gradient(0deg,
            rgba(120, 130, 90, 0.6),
            rgba(150, 160, 120, 0.45) 10%,
            rgba(150, 160, 120, 0.2) 90%,
            rgba(120, 130, 90, 0.6)),
        linear-gradient(90deg,
            #e6e2c8,
            #e6e2c8 25%,
            #cfc9a6 25%,
            #cfc9a6 50%,
            #dbd6b8 50%,
            #dbd6b8 75%,
            #c5bf9a 75%,
            #c5bf9a);
    background-size: 4px 20px;
    padding: 25px 10px;
}

.achv-card {
    background-color: var(--paper);
    box-sizing: border-box;
    border: none;
    border-radius: 5px;
    box-shadow: 0 10px 22px var(--shadow);
    display: flex;
    align-items: center;
    aspect-ratio: 74 / 105;
    position: relative;
    color: #273345;
    overflow: hidden;
    padding: 7px;
    transform: perspective(800px) rotateY(90deg) scale(0.95);
    opacity: 0;
}

.achv-card.is-show {
    animation: achvFlipIn 0.6s cubic-bezier(.22, .61, .36, 1) forwards;
}

@keyframes achvFlipIn {
    0% {
        transform: perspective(800px) rotateY(90deg) scale(0.95);
        opacity: 0;
    }

    60% {
        transform: perspective(800px) rotateY(-10deg) scale(1.02);
        opacity: 1;
    }

    100% {
        transform: perspective(800px) rotateY(0deg) scale(1);
        opacity: 1;
    }
}


.achv-card::before {
    content: "";
    position: absolute;
    inset: 0;
    padding: 7px;
    border-radius: inherit;
    background: linear-gradient(135deg,
            #2f6343 0%,
            #316745 45%,
            #336a47 55%,
            #2e6242 100%);
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;

    pointer-events: none;
    z-index: 1;
}

/* 中身は枠より上に */
.achv-card>* {
    position: relative;
    z-index: 1;
}

.achv-icon {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    display: grid;
    place-items: center;
    overflow: hidden;
    flex: 0 0 auto;
    z-index: 0;
}

.achv-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    filter: sepia(30%);
    z-index: 1;
}

.achv-icon::after {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--paper);
    z-index: 2;
    filter: blur(18px);
    mask-image: radial-gradient(ellipse at center,
            transparent 55%,
            rgba(0, 0, 0, 0.6) 75%,
            black 100%);
    pointer-events: none;
}

.achv-body {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    flex: 1 1 auto;
    min-width: 0;
    z-index: 1;
}

.achv-kana {
    border: 2px solid #316745;
    aspect-ratio: 1 / 1;
    position: absolute;
    top: 9px;
    right: 9px;
    padding: 2px;
    font-weight: 1000;
    font-size: 3.5cqw;
    width: 30%;
    height: auto;
    background-color: var(--paper);
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.achv-title {
    position: absolute;
    inset: 0;
    font-weight: bold;
    font-size: clamp(10px, 3.5cqw, 20px);
    line-height: 1.3;
    writing-mode: vertical-rl;
    text-orientation: upright;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    text-shadow:
        0 0 2px rgba(255, 255, 255, .9),
        0 0 6px rgba(255, 255, 255, .7),
        0 0 12px rgba(255, 255, 255, .45);
}

.achv-locked .achv-title {
    display: none;
    /* 未達成は読み札を隠す */
}

.achv-card:not(.achv-locked) .achv-kana {
    display: none;
}

.achv-card:not(.achv-locked) .achv-icon img {
    filter: grayscale(100%) contrast(0.8) brightness(1.1);
    opacity: 0.35;
    background-color: var(--paper);
}

.achv-count {
    position: absolute;
    top: 9px;
    right: 9px;
    font-weight: bold;
    font-size: clamp(10px, 3.5cqw, 20px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.lucky-sprinkle {
    position: absolute;
    pointer-events: all;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, .12));
    z-index: 0;
    transition: transform .2s ease;
    will-change: transform, box-shadow;
}

.lucky-sprinkle.is-active {
    animation: luckyPulseLoop 1.6s ease-in-out infinite;
    z-index: 5;
    filter:
        drop-shadow(0 0 0 rgba(255, 215, 120, .0)) drop-shadow(0 0 0 rgba(255, 215, 120, .0));
    will-change: transform, filter;
}

/* 小さく→戻る を繰り返す */
@keyframes luckyPulseLoop{
  0%   { transform: scale(1) rotate(var(--rot)); filter: drop-shadow(0 0 0 rgba(255,215,120,.0)) drop-shadow(0 0 0 rgba(255,215,120,.0)); }
  30%  { transform: scale(0.92) rotate(var(--rot)); filter: drop-shadow(0 0 6px rgba(255,215,120,.55)) drop-shadow(0 0 12px rgba(255,215,120,.25)); }
  60%  { transform: scale(1.06) rotate(var(--rot)); filter: drop-shadow(0 0 10px rgba(255,215,120,.75)) drop-shadow(0 0 22px rgba(255,215,120,.35)); }
  100% { transform: scale(1) rotate(var(--rot)); filter: drop-shadow(0 0 0 rgba(255,215,120,.0)) drop-shadow(0 0 0 rgba(255,215,120,.0)); }
}

.achv-modal::backdrop {
    background: rgba(0, 0, 0, .45);
}

.achv-modal {
    position: fixed;
    inset: 0;
    border: none;
    padding: 0;
    background: transparent;
    width: 100%;
    height: 100%;
}

.achv-modal__inner {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    border-radius: 18px;
    background: var(--paper);
    padding: 18px 18px 16px;
    box-shadow: 0 18px 60px rgba(0, 0, 0, .35);
    position: relative;
    border: 1px solid rgba(225, 70, 72, .15);
}

.achv-modal__icon {
    display: grid;
    place-items: center;
    margin-top: 6px;
}

.achv-modal__icon img {
    object-fit: contain;
}

.achv-modal__title {
    margin-top: 10px;
    text-align: center;
    font-weight: 900;
    font-size: 18px;
}

.achv-modal__count {
    margin-top: 6px;
    text-align: center;
    font-weight: 900;
    font-size: 16px;
    color: #e14648;
}

.achv-modal__tweet {
    margin-top: 14px;
    display: block;
    text-align: center;
    padding: 12px 14px;
    border-radius: 999px;
    border: 1px solid rgba(225, 70, 72, .25);
    background: var(--ink);
    font-weight: 900;
    color: var(--paper);
    text-decoration: none;
}

.achv-modal-icon {
    position: relative;
    width: 50%;
    height: auto;
    margin: 0;
    aspect-ratio: 74 / 105;
    background-color: var(--paper);
    box-sizing: border-box;
    border: none;
    border-radius: 5px;
    box-shadow: 0 10px 22px var(--shadow);
    overflow: hidden;
}

.achv-modal-icon::before {
    content: "";
    position: absolute;
    inset: 0;
    padding: 7px;
    border-radius: inherit;
    background: linear-gradient(135deg,
            #2f6343 0%,
            #316745 45%,
            #336a47 55%,
            #2e6242 100%);
    -webkit-mask:
        linear-gradient(#000 0 0) content-box,
        linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;

    pointer-events: none;
    z-index: 1;
}

.achv-modal-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* 画像の上にカナを重ねる */
.achv-kana-badge {
    border: 2px solid #316745;
    aspect-ratio: 1 / 1;
    position: absolute;
    top: 9px;
    right: 9px;
    padding: 2px;
    font-weight: 1000;
    font-size: 5cqw;
    width: 30%;
    height: auto;
    background-color: var(--paper);
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.achv-complete-banner{
  grid-column: 1 / -1; /* グリッド全幅 */
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border-radius:16px;
  border:1px solid rgba(225,70,72,.35);
  background: rgba(255,255,255,.9);
  margin-bottom: 6px;
}

.achv-complete-title{
  font-weight: 900;
  letter-spacing: .08em;
}

.achv-complete-share{
  font-weight: 900;
  text-decoration:none;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(225,70,72,.35);
  background: rgba(255,255,255,.8);
}

.achv-complete-banner{
  grid-column: 1 / -1; /* グリッド全幅 */
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 14px;
  border-radius:16px;
  background: var(--ink);
  color: var(--paper);
  margin-bottom: 6px;
}

.achv-complete-title{
  font-weight: 900;
  letter-spacing: .08em;
}

.achv-complete-share{
  font-weight: 900;
  text-decoration:none;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(225,70,72,.35);
  background: var(--paper2);
  color: var(--text);
}