* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    color: #D8D8F7;
    background: #0D0A1F;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ナビゲーション */
header {
    background: #202225;
    color: #7ac3ff;
    padding: 0 2rem;
    border-bottom: 1px solid #2e3240;
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
    gap: 1rem;
}

.nav-brand a {
    color: #06c5ac;
    text-decoration: none;
    font-size: 2.5rem;
    font-weight: bold;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.nav-brand img {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: #fff;
}


/* メインコンテンツ */
main {
    flex: 1;
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

.flex {
    display: flex;
    justify-content: flex-start;
    gap: 1rem;
    align-items: flex-start;
}

.hero {
    background: linear-gradient(135deg, #16233b 0%, #11142d 48%, #1e2435 100%);
    border: 1px solid #2a3a54;
    border-radius: 8px;
    padding: 3rem;
    margin-bottom: 1.5rem;
}

.hero__copy {
    max-width: 780px;
}

.hero h1,
.page-content h1 {
    color: #ffffff;
    font-size: 2.2rem;
    line-height: 1.25;
    margin-bottom: 1rem;
}

.hero p,
.page-content > p {
    color: #d8def5;
    font-size: 1.05rem;
}

.eyebrow {
    color: #7ac3ff;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.actions {
    margin-top: 1.25rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

.codeblock
{
    padding: 1rem;
    margin: 0;
    border-radius: 8px;
    background-color: #1B1B35;
    color: #D7D7F6;
    overflow: visible;
    border: 1px solid #2a2a4a;
}

.codeblock h2,
.textblock h2 {
    color: #7ac3ff;
    margin-bottom: 0.5rem;
}

a {
    color: #06c5ac;
}

.codeblock ul {
    padding-left: 20px;
}

.textblock
{
    padding: 1rem;
    margin: 0;
    border-radius: 8px;
    background-color: #212136;
    color: #D7D7F6;
    overflow: visible;
    border: 1px solid #2a2a4a;
}

.infoblock
{
    padding: 10px;
    margin: 10px;
    border-radius: 10px;
    background-color: #291f33;
    color: #4893aa;
    overflow: visible;
}

.infoblock h3
{
    color: #4893aa;
    padding: 5px;
}

.infoblock img
{
    max-width: 50%;
    max-height: 400px;
    border-radius: 5px;
    margin-top: 10px;
    margin-right: 10px;
}

.infoblock img.is-zoomable {
    cursor: zoom-in;
}

.image-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
    z-index: 1000;
    padding: 1.5rem;
}

.image-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}

.image-lightbox__img {
    max-width: min(1200px, 95vw);
    max-height: 92vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 10px 36px rgba(0, 0, 0, 0.45);
    cursor: zoom-out;
}

.button, a.button, button.button
{
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    position: relative;
    display: inline-block;
    margin: 0.5rem 0.5rem 0.5rem 0;
    padding: 1rem 1rem;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
    text-align: center;
    vertical-align: middle;
    text-decoration: none;
    letter-spacing: 0.1em;
    color: #212529;
    border-radius: 0.5rem;
}

.button--blue, a.button--blue {
    color: #fff;
    background-color: #5865F2;
}

.button--green, a.button--green {
    color: #061412;
    background-color: #31d0aa;
}

.info {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1rem;
    margin-top: 1rem;
}

.legal-page {
    max-width: 860px;
}

.legal-page h2 {
    color: #7ac3ff;
    margin-top: 1.5rem;
}

.legal-page ul,
.page-content ol,
.page-content ul {
    padding-left: 1.5rem;
    margin: 0.6rem 0;
}

.operator-page h2 {
    color: #7ac3ff;
    margin-top: 1.5rem;
}

.operator-summary {
    margin-top: 1rem;
}

.operator-list {
    display: grid;
    gap: 0.85rem;
}

.operator-list > div {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 1rem;
    border-bottom: 1px solid #2a2a4a;
    padding-bottom: 0.85rem;
}

.operator-list > div:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.operator-list dt {
    color: #ffffff;
    font-weight: 700;
}

.operator-list dd {
    margin: 0;
}

.updated {
    color: #aaa;
    margin-top: 1.5rem;
}

.news h3 {
    color: #f7936c;
}

.news small {
    color: #aaa;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(260px, 1fr);
    gap: 1rem;
    margin-top: 1rem;
    align-items: start;
}

.contact-form {
    display: grid;
    gap: 1rem;
}

.form-row {
    display: grid;
    gap: 0.35rem;
}

.form-row label {
    color: #ffffff;
    font-weight: 700;
}

.form-row input,
.form-row select,
.form-row textarea {
    width: 100%;
    border: 1px solid #3a4160;
    border-radius: 8px;
    background: #11142d;
    color: #f5f7ff;
    font: inherit;
    padding: 0.75rem 0.85rem;
}

.form-row textarea {
    min-height: 180px;
    resize: vertical;
}

.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
    outline: 2px solid #31d0aa;
    outline-offset: 2px;
    border-color: #31d0aa;
}

.form-alert {
    border-radius: 8px;
    padding: 0.85rem 1rem;
}

.form-alert ul {
    margin-bottom: 0;
}

.form-alert--success {
    color: #dffaf4;
    background: #12382f;
    border: 1px solid #31d0aa;
}

.form-alert--error {
    color: #ffe6e0;
    background: #3b1d24;
    border: 1px solid #f7936c;
}

.contact-form__trap {
    position: absolute;
    left: -9999px;
}

.contact-side p + p {
    margin-top: 0.75rem;
}

.user-page {
    display: grid;
    gap: 1rem;
}

.user-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: #16233b;
    border: 1px solid #2a3a54;
    border-radius: 8px;
    padding: 1.5rem;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-profile img,
.user-profile__fallback {
    width: 72px;
    height: 72px;
    border-radius: 8px;
}

.user-profile img {
    object-fit: cover;
}

.user-profile__fallback {
    display: grid;
    place-items: center;
    background: #5865F2;
    color: #ffffff;
    font-size: 2rem;
    font-weight: 700;
}

.item-shop-panel {
    display: grid;
    gap: 1rem;
}

.item-shop-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.item-shop-panel h2 {
    color: #7ac3ff;
}

.item-shop-price,
.item-shop-total {
    min-width: 128px;
    display: grid;
    justify-items: center;
    border: 1px solid #3a4160;
    border-radius: 8px;
    padding: 0.75rem;
    background: #11142d;
}

.item-shop-price span,
.item-shop-total strong {
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1;
}

.item-shop-price small,
.item-shop-total span,
.item-shop-count small {
    color: #d8def5;
}

.item-shop-form {
    display: grid;
    gap: 1rem;
}

.item-shop-summary {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.item-shop-summary div {
    display: grid;
    gap: 0.25rem;
    border: 1px solid #3a4160;
    border-radius: 8px;
    padding: 0.85rem;
    background: #11142d;
}

.item-shop-summary span {
    color: #aaa;
    font-size: 0.92rem;
}

.item-shop-summary strong {
    color: #ffffff;
    overflow-wrap: anywhere;
}

.item-shop-count {
    max-width: 360px;
}

.item-shop-confirm {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    color: #f5f7ff;
    font-weight: 700;
}

.item-shop-confirm input {
    width: 1.15rem;
    height: 1.15rem;
    margin-top: 0.2rem;
    accent-color: #31d0aa;
    flex: 0 0 auto;
}

.item-shop-submit {
    justify-self: start;
}

.reward-panel {
    display: grid;
    gap: 1rem;
}

.reward-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.reward-panel h2 {
    color: #7ac3ff;
}

.reward-count {
    min-width: 96px;
    display: grid;
    justify-items: center;
    border: 1px solid #3a4160;
    border-radius: 8px;
    padding: 0.75rem;
    background: #11142d;
}

.reward-count span {
    color: #ffffff;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
}

.reward-count small {
    color: #d8def5;
}

.reward-slots {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
}

.reward-slot {
    display: grid;
    gap: 0.25rem;
    border: 1px solid #3a4160;
    border-radius: 8px;
    padding: 0.85rem;
    background: #11142d;
}

.reward-slot strong {
    color: #ffffff;
}

.reward-slot span {
    color: #aaa;
}

.reward-slot.is-active {
    border-color: #31d0aa;
    background: #12382f;
}

.reward-slot.is-active span {
    color: #dffaf4;
}

.reward-slot.is-complete {
    border-color: #5865F2;
}

.reward-slot.is-complete span {
    color: #9ca5ff;
}

.reward-button {
    justify-self: start;
}

.reward-note {
    color: #d8def5;
}

/* ドキュメントレイアウト */
.reward-debug {
    border-top: 1px solid #2a2a4a;
    padding-top: 1rem;
}

.reward-debug p {
    color: #aaa;
    font-size: 0.95rem;
}

.reward-result-page {
    min-height: 58vh;
    display: grid;
    place-items: center;
}

.reward-dialog {
    width: min(640px, 100%);
    display: grid;
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
    border: 1px solid #2a3a54;
    border-radius: 8px;
    background: #16233b;
    padding: 1.5rem;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.reward-dialog__icon {
    width: 88px;
    height: 88px;
    display: grid;
    place-items: center;
    border-radius: 8px;
    background: #11142d;
    border: 1px solid #3a4160;
}

.reward-dialog__icon span {
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 800;
}

.reward-dialog--success .reward-dialog__icon {
    background: #12382f;
    border-color: #31d0aa;
}

.reward-dialog--done .reward-dialog__icon {
    background: #1b2450;
    border-color: #5865F2;
}

.reward-dialog--error .reward-dialog__icon {
    background: #3b1d24;
    border-color: #f7936c;
}

.reward-dialog h1 {
    color: #ffffff;
    font-size: 1.8rem;
    line-height: 1.25;
    margin-bottom: 0.6rem;
}

.reward-dialog p {
    color: #d8def5;
}

.reward-dialog__ticket {
    width: fit-content;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-top: 1rem;
    border: 1px solid #31d0aa;
    border-radius: 8px;
    padding: 0.75rem 1rem;
    background: #12382f;
}

.reward-dialog__ticket strong {
    color: #ffffff;
    font-size: 2rem;
    line-height: 1;
}

.reward-dialog__ticket span {
    color: #dffaf4;
    font-weight: 700;
}

.docs-layout {
    max-width: 860px;
    margin: 0 auto;
}

/* Markdown ボディ */
.markdown-body {
    color: #D8D8F7;
    line-height: 1.8;
    font-size: 0.97rem;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
    color: #7ac3ff;
    margin: 1.8rem 0 0.6rem;
    font-weight: bold;
}

.markdown-body h1 { font-size: 1.9rem; border-bottom: 2px solid #2a2a4a; padding-bottom: 0.4rem; }
.markdown-body h2 { font-size: 1.4rem; border-bottom: 1px solid #2a2a4a; padding-bottom: 0.3rem; }
.markdown-body h3 { font-size: 1.1rem; }

.markdown-body p { margin: 0.6rem 0; }

.markdown-body a { color: #06c5ac; text-decoration: none; }
.markdown-body a:hover { text-decoration: underline; }

.markdown-body ul,
.markdown-body ol {
    padding-left: 1.6rem;
    margin: 0.6rem 0;
}

.markdown-body li { margin: 0.25rem 0; }

/* インラインコード */
.markdown-body code {
    background: #1B1B35;
    color: #f7936c;
    padding: 0.1em 0.4em;
    border-radius: 4px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.92em;
}

/* コードブロック */
.markdown-body pre {
    background: #1B1B35;
    border: 1px solid #2a2a4a;
    border-radius: 8px;
    padding: 1rem 1.2rem;
    overflow-x: auto;
    margin: 1rem 0;
}

.markdown-body pre code {
    background: none;
    color: #D7D7F6;
    padding: 0;
    font-size: 0.9rem;
}

/* Pygments コードハイライト */
.highlight { background: #1B1B35 !important; border-radius: 8px; }
.highlight .k  { color: #569cd6; }
.highlight .s  { color: #ce9178; }
.highlight .s2 { color: #ce9178; }
.highlight .mi { color: #b5cea8; }
.highlight .c1 { color: #6a9955; font-style: italic; }
.highlight .n  { color: #D7D7F6; }
.highlight .o  { color: #d4d4d4; }
.highlight .p  { color: #d4d4d4; }
.highlight .nt { color: #4ec9b0; }
.highlight .na { color: #9cdcfe; }
.highlight .nv { color: #9cdcfe; }

/* テーブル */
.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.92rem;
}

.markdown-body th {
    background: #1B1B35;
    color: #7ac3ff;
    padding: 0.6rem 0.9rem;
    text-align: left;
    border: 1px solid #2a2a4a;
}

.markdown-body td {
    padding: 0.5rem 0.9rem;
    border: 1px solid #2a2a4a;
    vertical-align: top;
}

.markdown-body tr:nth-child(even) td { background: #131228; }

/* 引用 */
.markdown-body blockquote {
    border-left: 4px solid #5865F2;
    background: #1B1B35;
    padding: 0.6rem 1rem;
    margin: 1rem 0;
    border-radius: 0 6px 6px 0;
    color: #aaa;
}

/* 水平線 */
.markdown-body hr {
    border: none;
    border-top: 1px solid #2a2a4a;
    margin: 1.5rem 0;
}

/* 目次 (toc 拡張) */
.markdown-body .toc {
    background: #1B1B35;
    border: 1px solid #2a2a4a;
    border-radius: 8px;
    padding: 1rem 1.4rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    min-width: 220px;
}

.markdown-body .toc ul { margin: 0.3rem 0; }

/* フッター */
footer {
    background: #202225;
    color: #aaa;
    text-align: center;
    padding: 1rem;
    font-size: 0.9rem;
    border-top: 1px solid #2e3240;
}

.footer-links {
    min-height: auto;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #d8def5;
    text-decoration: none;
}

.footer-note {
    max-width: 820px;
    margin: 0.25rem auto 0;
    font-size: 0.82rem;
}

@media (max-width: 820px) {
    header {
        padding: 0 1rem;
    }

    nav {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.75rem 0;
    }

    .nav-links {
        justify-content: flex-start;
        gap: 0.75rem 1rem;
    }

    main {
        padding: 1rem;
    }

    .hero {
        padding: 1.5rem;
    }

    .hero h1,
    .page-content h1 {
        font-size: 1.8rem;
    }

    .info-grid,
    .info,
    .contact-layout,
    .item-shop-summary,
    .reward-slots,
    .reward-dialog {
        grid-template-columns: 1fr;
    }

    .user-hero,
    .item-shop-panel__header,
    .reward-panel__header,
    .reward-dialog {
        align-items: flex-start;
    }

    .user-hero,
    .item-shop-panel__header,
    .reward-panel__header {
        flex-direction: column;
    }

    .operator-list > div {
        grid-template-columns: 1fr;
        gap: 0.25rem;
    }

    .flex {
        flex-direction: column;
    }

    .infoblock img {
        max-width: 100%;
    }
}