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

html {
    min-width: 320px;
    color-scheme: light;
    scroll-behavior: smooth;
}

body.site-page {
    min-height: 100vh;
    margin: 0;
    padding-top: var(--site-header-height);
    color: var(--site-ink);
    background: var(--site-canvas);
    font-family: var(--site-font);
    font-size: 16px;
    line-height: 1.65;
    -webkit-text-size-adjust: 100%;
}

body.site-dialog-open,
body.popup-notice-open {
    overflow: hidden;
}

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

.site-page-width {
    width: min(calc(100% - 40px), var(--site-page-width));
    margin-inline: auto;
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    min-height: var(--site-header-height);
    border-bottom: 1px solid var(--site-line);
    background: rgba(255, 255, 255, 0.97);
}

.site-header-inner {
    min-height: var(--site-header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-brand {
    display: inline-flex;
    align-items: center;
    min-width: 0;
}

.site-brand img {
    display: block;
    width: auto;
    height: 48px;
    max-width: min(240px, 55vw);
    object-fit: contain;
}

.site-header-actions {
    position: relative;
    flex: 0 0 auto;
}

.site-button {
    min-height: 42px;
    padding: 9px 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid var(--site-line);
    border-radius: var(--site-radius-sm);
    color: var(--site-ink);
    background: var(--site-surface);
    font: inherit;
    font-weight: 700;
    line-height: 1.35;
    text-decoration: none;
    cursor: pointer;
}

.site-button:hover {
    border-color: var(--site-brand);
    color: var(--site-brand-deep);
}

.site-button-primary {
    border-color: var(--site-brand);
    color: #fff;
    background: var(--site-brand);
}

.site-button-primary:hover {
    border-color: var(--site-brand-deep);
    color: #fff;
    background: var(--site-brand-deep);
}

.site-button:focus-visible,
.site-profile-trigger:focus-visible,
.site-menu-item:focus-visible,
.site-dialog-close:focus-visible,
.site-google-button:focus-visible,
.site-text-link:focus-visible,
.supporter-pagination-link:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--site-brand) 35%, transparent);
    outline-offset: 3px;
}

.site-profile-menu {
    position: relative;
}

.site-profile-trigger {
    min-height: 42px;
    max-width: min(280px, 48vw);
    padding: 8px 11px 8px 14px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border: 1px solid var(--site-line);
    border-radius: var(--site-radius-sm);
    color: var(--site-ink);
    background: var(--site-surface);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.site-profile-trigger span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.site-chevron {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
    transition: transform 160ms ease;
}

.site-profile-trigger[aria-expanded="true"] .site-chevron {
    transform: rotate(180deg);
}

.site-profile-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: min(270px, calc(100vw - 32px));
    padding: 7px;
    border: 1px solid var(--site-line);
    border-radius: var(--site-radius-md);
    background: var(--site-surface);
    box-shadow: var(--site-shadow-md);
}

.site-profile-dropdown[hidden] {
    display: none;
}

.site-profile-dropdown form {
    margin: 0;
}

.site-menu-item {
    width: 100%;
    min-height: 42px;
    padding: 9px 11px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 0;
    border-radius: 5px;
    color: var(--site-ink);
    background: transparent;
    font: inherit;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
}

.site-menu-item:hover {
    color: var(--site-brand-deep);
    background: var(--site-brand-soft);
}

.site-menu-danger {
    color: var(--site-danger);
}

.site-menu-count {
    min-width: 24px;
    padding: 1px 7px;
    border-radius: 999px;
    color: #fff;
    background: var(--site-brand);
    font-size: 0.78rem;
    line-height: 1.5;
    text-align: center;
}

.site-eyebrow {
    margin: 0 0 5px;
    color: var(--site-brand-deep);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.site-text-link {
    width: fit-content;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--site-brand-deep);
    font-weight: 800;
    text-decoration: none;
}

.site-text-link:hover {
    text-decoration: underline;
}

.site-dialog {
    width: min(calc(100% - 32px), 480px);
    max-height: calc(100vh - 40px);
    padding: 0;
    overflow: visible;
    border: 0;
    border-radius: 10px;
    color: var(--site-ink);
    background: var(--site-surface);
    box-shadow: var(--site-shadow-md);
}

.site-dialog::backdrop {
    background: rgba(15, 34, 51, 0.58);
    backdrop-filter: blur(2px);
}

.site-dialog-panel {
    position: relative;
    max-height: calc(100vh - 40px);
    padding: 30px;
    overflow-y: auto;
}

.site-dialog h2 {
    margin: 0;
    font-size: 1.55rem;
    line-height: 1.4;
}

.site-dialog-description {
    margin: 10px 0 22px;
    color: var(--site-muted);
}

.site-dialog-close {
    position: absolute;
    top: 13px;
    right: 13px;
    width: 38px;
    height: 38px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    color: var(--site-muted);
    background: transparent;
    font: inherit;
    font-size: 1.6rem;
    line-height: 1;
    cursor: pointer;
}

.site-dialog-close:hover {
    color: var(--site-ink);
    background: var(--site-brand-soft);
}

.site-google-button {
    width: 100%;
    min-height: 50px;
    padding: 11px 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 1px solid #c7d1dc;
    border-radius: var(--site-radius-sm);
    color: var(--site-ink);
    background: #fff;
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.site-google-button:hover {
    border-color: var(--site-brand);
    background: var(--site-brand-soft);
}

.site-google-button span {
    color: #4285f4;
    font-size: 1.2rem;
    font-weight: 900;
}

.site-dialog-actions {
    margin-top: 22px;
    display: flex;
    justify-content: flex-end;
}

.site-notice-list {
    margin-top: 20px;
    display: grid;
    gap: 12px;
}

.site-notice-item {
    padding: 15px 16px;
    border: 1px solid var(--site-line);
    border-left: 4px solid var(--site-brand);
    border-radius: var(--site-radius-sm);
    background: #fff;
}

.site-notice-item h3 {
    margin: 0 0 5px;
    font-size: 1rem;
}

.site-notice-item div {
    color: var(--site-muted);
    font-size: 0.92rem;
}

.site-notice-warning,
.site-notice-error {
    border-left-color: var(--site-danger);
}

.site-notice-success {
    border-left-color: var(--site-success);
}

.site-empty-message {
    margin: 0;
    padding: 24px;
    border: 1px dashed var(--site-line);
    border-radius: var(--site-radius-md);
    color: var(--site-muted);
    background: var(--site-surface);
    text-align: center;
}

/* 既存のポップアップ通知部品を独立テンプレートでも表示するためのスタイル。 */
.popup-notice-backdrop {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(15, 23, 42, 0.64);
}

.popup-notice-backdrop[hidden] {
    display: none;
}

.popup-notice-dialog {
    width: min(480px, 100%);
    max-height: calc(100vh - 40px);
    padding: 26px 28px 22px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 2px solid #111827;
    border-radius: var(--site-radius-md);
    color: #1f2937;
    background: #fff;
    box-shadow: 0 24px 64px rgba(15, 23, 42, 0.32);
}

.popup-notice-dialog:focus {
    outline: none;
}

.popup-notice-accent {
    display: none;
}

.popup-notice-title {
    margin: 0 0 16px;
    padding-left: 12px;
    border-left: 5px solid #2563eb;
    color: #111827;
    font-size: 1.35rem;
}

.popup-notice-body {
    min-height: 0;
    padding-top: 16px;
    overflow-y: auto;
    border-top: 1px solid #e5e7eb;
    color: #374151;
    line-height: 1.75;
}

.popup-notice-actions {
    margin-top: 22px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.popup-notice-close,
.popup-notice-action {
    min-width: 96px;
    padding: 9px 18px;
    border: 0;
    border-radius: 5px;
    color: #fff;
    background: #2563eb;
    font: inherit;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
}

.popup-notice-success .popup-notice-title {
    border-left-color: #16a34a;
}

.popup-notice-success .popup-notice-close,
.popup-notice-success .popup-notice-action {
    background: #16a34a;
}

.popup-notice-warning .popup-notice-title,
.popup-notice-error .popup-notice-title {
    border-left-color: #dc2626;
}

.popup-notice-warning .popup-notice-close,
.popup-notice-warning .popup-notice-action,
.popup-notice-error .popup-notice-close,
.popup-notice-error .popup-notice-action {
    background: #dc2626;
}

.popup-notice-has-action .popup-notice-close {
    border: 1px solid #9ca3af;
    color: #374151;
    background: #fff;
}

.popup-notice-action[aria-disabled="true"] {
    pointer-events: none;
    opacity: 0.55;
}

.popup-notice-close:disabled {
    background: #9ca3af;
    cursor: not-allowed;
}

.popup-notice-inline-bg-red { background: #fee2e2; color: #7f1d1d; }
.popup-notice-inline-bg-yellow { background: #fef3c7; color: #78350f; }
.popup-notice-inline-bg-blue { background: #dbeafe; color: #1e3a8a; }
.popup-notice-inline-bg-green { background: #dcfce7; color: #14532d; }
.popup-notice-inline-bg-black { background: #111827; color: #fff; }
.popup-notice-inline-bg-gray { background: #e5e7eb; color: #1f2937; }
.popup-notice-inline-color-red { color: #dc2626; }
.popup-notice-inline-color-yellow { color: #b45309; }
.popup-notice-inline-color-blue { color: #2563eb; }
.popup-notice-inline-color-green { color: #15803d; }
.popup-notice-inline-color-black { color: #111827; }
.popup-notice-inline-color-gray { color: #6b7280; }
.popup-notice-inline-color-white { color: #fff; }
.popup-notice-inline-size-small { font-size: 0.88em; }
.popup-notice-inline-size-normal { font-size: 1em; }
.popup-notice-inline-size-large { font-size: 1.32em; }
.popup-notice-inline-size-xlarge { font-size: 1.62em; }

@media (max-width: 600px) {
    .site-page-width {
        width: min(calc(100% - 28px), var(--site-page-width));
    }

    .site-header-inner {
        gap: 12px;
    }

    .site-brand img {
        height: 42px;
    }

    .site-dialog-panel {
        padding: 27px 21px 22px;
    }

    .popup-notice-dialog {
        padding: 24px 20px 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .site-chevron {
        transition: none;
    }
}