:root {
    --k1: #6e5435;
    --k2: #ad8452;
    --k3: #d2a164;
    --tape: #fcc97d;
    --red: #d7263d;
    --bg: #fff8ec;
    --ink: #3b2d1c;
    --head: #6e5435;
    --card: #fff;
    --line: #e5d3b3;
    box-sizing: border-box;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg: #1d1610;
        --ink: #f3e6cf;
        --head: #fcc97d;
        --card: #2a2016;
        --line: #4a3a26;
    }
}
:root[data-theme="dark"] {
    --bg: #1d1610;
    --ink: #f3e6cf;
    --head: #fcc97d;
    --card: #2a2016;
    --line: #4a3a26;
}
html {
    scroll-padding-top: env(safe-area-inset-top, 0px);
}
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font:
        400 1rem/1.65 "Noto Sans JP",
        system-ui,
        sans-serif;
}
main {
    overflow-x: clip;
}
h1,
h2,
.d {
    font-family: "Archivo Black", Impact, sans-serif;
    font-weight: 400;
    line-height: 1.02;
    letter-spacing: -0.01em;
}
:focus-visible {
    outline: 3px solid var(--red);
    outline-offset: 2px;
}

/* HERO */
.hero {
    height: 230vh;
    position: relative;
}
.stage {
    --p: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    align-items: center;
    gap: 2rem;
    padding: 0 6vw;
    overflow: hidden;
}
.nav {
    position: absolute;
    top: 1.3rem;
    left: 6vw;
    font:
        1rem "Archivo Black",
        Impact,
        sans-serif;
    color: var(--head);
}
h1 {
    font-size: clamp(2.3rem, 5.4vw, 4.8rem);
    color: var(--head);
    margin: 0 0 1rem;
}
.lead {
    max-width: 34ch;
    margin: 0 0 1.6rem;
    font-size: 1.1rem;
}
.track {
    display: flex;
    max-width: 460px;
    border: 3px solid var(--k1);
    border-radius: 10px;
    background: var(--card);
    overflow: hidden;
}
.track input {
    flex: 1;
    min-width: 0;
    border: 0;
    padding: 0.95rem 1rem;
    font: inherit;
    background: transparent;
    color: var(--ink);
}
.track button {
    border: 0;
    background: var(--tape);
    color: var(--k1);
    font:
        700 1rem "Noto Sans JP",
        sans-serif;
    padding: 0 1.3rem;
    cursor: pointer;
}
.res {
    display: flex;
    gap: 0.9rem;
    align-items: center;
    margin: 1rem 0 0;
    max-width: 460px;
    font-size: 0.95rem;
}
.res[hidden] {
    display: none;
}
.stamp {
    flex: none;
    border: 3px solid var(--red);
    color: var(--red);
    border-radius: 6px;
    padding: 0.1rem 0.6rem;
    font:
        1.4rem "Archivo Black",
        Impact,
        sans-serif;
    transform: rotate(-8deg);
    animation: hit 0.55s cubic-bezier(0.2, 1.7, 0.4, 1);
}
@keyframes hit {
    from {
        transform: rotate(-8deg) scale(3.2);
        opacity: 0;
    }
    to {
        transform: rotate(-8deg) scale(1);
        opacity: 1;
    }
}

.scene {
    position: relative;
    height: min(72vh, 540px);
    display: grid;
    place-items: center;
    perspective: 1200px;
    --u: 1;
}
.box {
    --s: 210px;
    width: var(--s);
    height: var(--s);
    position: relative;
    transform-style: preserve-3d;
    margin-top: 8vh;
    transform: rotateX(-24deg) rotateY(calc(-35deg + var(--p) * -22deg));
}
.face {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font:
        calc(var(--s) * 0.36)/1 "Archivo Black",
        Impact,
        sans-serif;
    color: #fff;
}
.fr {
    background: var(--k1);
    transform: translateZ(calc(var(--s) / 2));
}
.ri {
    background: var(--k2);
    transform: rotateY(90deg) translateZ(calc(var(--s) / 2));
}
.ba {
    background: #523d24;
    transform: rotateY(180deg) translateZ(calc(var(--s) / 2));
}
.le {
    background: #5d4529;
    transform: rotateY(-90deg) translateZ(calc(var(--s) / 2));
}
.bo {
    background: #3d2c19;
    transform: rotateX(-90deg) translateZ(calc(var(--s) / 2));
}
.fl {
    position: absolute;
    left: 0;
    top: calc(var(--s) / -2);
    width: var(--s);
    height: calc(var(--s) / 2);
    transform-origin: 50% 100%;
    background: var(--k3);
    outline: 1px solid #f6ead6;
}
.fl::after {
    content: "";
    position: absolute;
    left: 38%;
    width: 24%;
    top: 0;
    bottom: 0;
    background: var(--tape);
}
.ff {
    transform: translateZ(calc(var(--s) / 2))
        rotateX(calc(90deg - var(--p) * 165deg));
}
.fb {
    transform: translateZ(calc(var(--s) / -2))
        rotateX(calc(-90deg + var(--p) * 165deg));
}
.chip {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 2;
    white-space: nowrap;
    padding: 0.45rem 0.85rem;
    background: #fff;
    color: var(--k1);
    border: 2px solid var(--k1);
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.95rem;
    opacity: calc(var(--p) * 2 - 0.3);
    transform: translate(-50%, -50%)
        translate(
            calc(var(--x) * var(--p) * var(--u) * 1px),
            calc((-40px + var(--y) * var(--p)) * var(--u))
        )
        rotate(calc(var(--r) * 1deg));
}
.hint {
    position: absolute;
    bottom: 0.5rem;
    left: 0;
    right: 0;
    text-align: center;
    font-size: 0.85rem;
    opacity: calc(1 - var(--p) * 5);
}

/* TAPE */
.tape {
    background: var(--tape);
    color: var(--k1);
    margin: 4rem -3vw;
    padding: 0.7rem 0;
    overflow: hidden;
    white-space: nowrap;
    font:
        1.5rem "Archivo Black",
        Impact,
        sans-serif;
    transform: rotate(-1.4deg) scaleX(0);
    transform-origin: left;
    transition: transform 1s cubic-bezier(0.7, 0, 0.2, 1);
}
.tape.in {
    transform: rotate(-1.4deg) scaleX(1);
}
.mq {
    display: inline-block;
    animation: mq 24s linear infinite;
}
@keyframes mq {
    to {
        transform: translateX(-50%);
    }
}

/* SECTIONS */
section {
    padding: 3rem 6vw;
}
h2 {
    font-size: clamp(1.9rem, 4vw, 3.2rem);
    color: var(--head);
    margin: 0 0 1.6rem;
    max-width: 20ch;
}
.row {
    border-top: 3px solid var(--k1);
}
.row:last-child {
    border-bottom: 3px solid var(--k1);
}
summary {
    list-style: none;
    display: flex;
    align-items: baseline;
    gap: 1.2rem;
    cursor: pointer;
    padding: 1.1rem 0;
    font:
        clamp(1.6rem, 4vw, 2.8rem) "Archivo Black",
        Impact,
        sans-serif;
    color: var(--head);
}
summary::-webkit-details-marker {
    display: none;
}
summary .jp {
    font:
        700 clamp(1rem, 2vw, 1.4rem) "Noto Sans JP",
        sans-serif;
    color: var(--k2);
    min-width: 4.5em;
}
summary::after {
    content: "+";
    margin-left: auto;
    transition: transform 0.3s;
}
details[open] summary::after {
    transform: rotate(45deg);
}
.row p {
    margin: 0 0 1.3rem;
    max-width: 58ch;
}

.route {
    background: var(--k1);
    color: #f3e6cf;
}
.route h2 {
    color: var(--tape);
}
.dir {
    border: 2px solid var(--tape);
    background: transparent;
    color: var(--tape);
    border-radius: 999px;
    padding: 0.6rem 1.2rem;
    font:
        700 1rem "Noto Sans JP",
        sans-serif;
    cursor: pointer;
}
.route svg {
    display: block;
    width: 100%;
    max-width: 760px;
    margin: 1rem 0;
}
.route text {
    fill: #f3e6cf;
    font:
        700 15px "Noto Sans JP",
        sans-serif;
}

ol {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
ol li {
    border-top: 3px solid var(--tape);
    padding-top: 1rem;
}
ol b {
    display: block;
    font:
        3rem "Archivo Black",
        Impact,
        sans-serif;
    color: var(--k3);
    line-height: 1;
}

.cta {
    text-align: left;
}
.btns {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}
.btn {
    display: inline-block;
    padding: 1rem 1.6rem;
    border-radius: 10px;
    font-weight: 700;
    text-decoration: none;
    color: var(--k1);
    background: var(--tape);
    border: 3px solid var(--k1);
}
.btn.line {
    background: var(--k1);
    color: #fff;
}
footer {
    padding: 2rem 6vw;
    font-size: 0.9rem;
    border-top: 1px solid var(--line);
}

.calcwrap {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: start;
}
.calc {
    display: grid;
    gap: 1.3rem;
}
.calc fieldset {
    border: 0;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}
.calc legend {
    font-weight: 700;
    margin-bottom: 0.5rem;
    padding: 0;
    float: left;
    width: 100%;
}
.pill {
    position: relative;
}
.pill input {
    position: absolute;
    opacity: 0;
    inset: 0;
    cursor: pointer;
}
.pill span {
    display: block;
    border: 2px solid var(--head);
    color: var(--head);
    border-radius: 999px;
    padding: 0.5rem 1.1rem;
    font-weight: 700;
    transition:
        background 0.2s,
        color 0.2s;
}
.pill input:checked + span {
    background: var(--head);
    color: var(--bg);
}
.pill input:focus-visible + span {
    outline: 3px solid var(--red);
    outline-offset: 2px;
}
.calc input[type="number"] {
    width: 100%;
    border: 2px solid var(--head);
    border-radius: 8px;
    padding: 0.7rem 0.8rem;
    font: inherit;
    background: var(--card);
    color: var(--ink);
}
.calc .dims {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}
.calc .dims legend {
    grid-column: 1/-1;
}
.fld {
    display: grid;
    gap: 0.4rem;
    font-weight: 700;
    max-width: 220px;
}
.out {
    background: var(--card);
    border: 3px solid var(--k1);
    border-radius: 10px;
    padding: 1.5rem;
}
.out .lbl {
    font-size: 0.95rem;
    margin: 0;
}
.amt {
    font-size: clamp(2rem, 5vw, 3.2rem);
    color: var(--head);
    margin: 0.3rem 0 0.8rem;
    overflow-wrap: anywhere;
}
.out .note {
    font-size: 0.85rem;
    margin: 0 0 1.2rem;
    opacity: 0.8;
}
@media (max-width: 820px) {
    .calcwrap {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 820px) {
    .stage {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        align-content: center;
        padding-top: 3.6rem;
        gap: 0;
    }
    .box {
        --s: 140px;
        margin-top: 6vh;
    }
    .scene {
        --u: 0.55;
        height: 100%;
        min-height: 0;
    }
    .lead {
        font-size: 1rem;
        margin-bottom: 1rem;
    }
    ol {
        grid-template-columns: 1fr;
    }
}
.tl {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
    max-width: 560px;
}
.tl li {
    position: relative;
    padding: 0 0 1.6rem 2.4rem;
    font-weight: 700;
}
.tl li::before {
    content: "";
    position: absolute;
    left: calc(0.7rem - 1.5px);
    top: 1.2rem;
    bottom: -0.1rem;
    width: 3px;
    background: var(--line);
    transition: background 0.4s;
}
.tl li:last-child::before {
    display: none;
}
.tl li::after {
    content: "";
    position: absolute;
    left: 0.2rem;
    top: 0.25rem;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    border: 3px solid var(--k2);
    background: var(--bg);
    transition: background 0.4s;
}
.tl li.on::before {
    background: var(--k2);
}
.tl li.on::after {
    background: var(--k2);
}
.tl li.cur::after {
    background: var(--tape);
    animation: pulse 1.6s infinite;
}
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(252, 201, 125, 0.9);
    }
    100% {
        box-shadow: 0 0 0 12px rgba(252, 201, 125, 0);
    }
}
.sm {
    font-size: 0.85rem;
    opacity: 0.8;
    margin: 0;
}
.chk {
    display: grid;
    gap: 1rem;
    max-width: 620px;
}
.chk input,
.chk select {
    width: 100%;
    border: 2px solid var(--head);
    border-radius: 8px;
    padding: 0.8rem 1rem;
    font: inherit;
    background: var(--card);
    color: var(--ink);
}
.eg {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.eg button {
    border: 2px solid var(--head);
    background: transparent;
    color: var(--head);
    border-radius: 999px;
    padding: 0.3rem 0.9rem;
    font:
        700 0.9rem "Noto Sans JP",
        sans-serif;
    cursor: pointer;
}
.verdict {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    background: var(--card);
    border: 3px solid var(--k1);
    border-radius: 10px;
    padding: 1.1rem 1.3rem;
}
.verdict p {
    margin: 0;
}
.bdg {
    flex: none;
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 6px;
    color: #fff;
    display: grid;
    place-items: center;
    font:
        1.4rem "Archivo Black",
        Impact,
        sans-serif;
    background: var(--k2);
    animation: hit 0.45s cubic-bezier(0.2, 1.7, 0.4, 1);
}
.bdg.ok {
    background: #2f7d4f;
}
.bdg.batas {
    background: #b26a00;
}
.bdg.larang {
    background: #d7263d;
}
.wh {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}
.wh h3 {
    font-size: 1.1rem;
    color: var(--head);
    margin: 0 0 0.7rem;
}
.addr {
    background: var(--card);
    border: 3px dashed var(--k2);
    border-radius: 10px;
    padding: 1.2rem;
    font-style: normal;
    margin: 0 0 1rem;
    user-select: all;
}
button.btn {
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}
table {
    border-collapse: collapse;
    width: 100%;
}
th,
td {
    text-align: left;
    padding: 0.6rem 0.5rem;
    border-bottom: 2px solid var(--line);
}
th {
    color: var(--head);
}
@media (max-width: 820px) {
    .wh {
        grid-template-columns: 1fr;
    }
}
.lang {
    position: fixed;
    top: calc(env(safe-area-inset-top, 0px) + 0.8rem);
    right: 4vw;
    z-index: 30;
    display: flex;
    border: 2px solid var(--head);
    border-radius: 999px;
    overflow: hidden;
    background: var(--bg);
}
.lang button {
    border: 0;
    background: transparent;
    color: var(--head);
    font:
        700 0.85rem "Noto Sans JP",
        sans-serif;
    padding: 0.4rem 0.85rem;
    cursor: pointer;
}
.lang button[aria-pressed="true"] {
    background: var(--head);
    color: var(--bg);
}
html[lang="ja"] .jp {
    display: none;
}
html[lang="ja"] h1,
html[lang="ja"] h2,
html[lang="ja"] summary,
html[lang="ja"] .amt {
    font-family: "Noto Sans JP", sans-serif;
    font-weight: 900;
    letter-spacing: 0;
    line-height: 1.25;
}
html[lang="ja"] h1 {
    font-size: clamp(2rem, 4.4vw, 3.8rem);
}
html[lang="ja"] h2 {
    max-width: none;
}
html[lang="ja"] .lead {
    max-width: 24em;
}
html[lang="ja"] .row p {
    max-width: 32em;
}
@media (max-width: 820px) {
    .nav {
        font-size: 0.8rem;
    }
}
@media (prefers-reduced-motion: reduce) {
    .mq,
    .stamp {
        animation: none;
    }
    .tape {
        transition: none;
    }
}