:root {
    --diary-width: 960px;
    --diary-color: #746857;
    --diary-fav-color: #C0B4A1;
    --diary-paper: #F4F0E8;
    --diary-ease: cubic-bezier(.2, .72, .2, 1);
    --diary-rule-thickness: 1px;
    --diary-rule-scale: 0.35;
    --diary-related-size: 8cqw;
    --diary-related-shift-x: 0cqw;
    --diary-related-shift-y: 1.4cqw;
    --site-theme-color: var(--diary-color);
    --site-theme-contrast: #fff;
}

html,
body {
    overflow-x: clip;
}

body[data-page="diary"] {
    position: relative;
    min-height: 100%;
    color: var(--diary-color);
    background: var(--diary-paper);
    font-family: "Zen Kurenaido", "Yu Gothic", sans-serif;
}

.diary-site-bg {
    position: fixed;
    z-index: 0;
    inset: 0;
    pointer-events: none;
    background-color: var(--diary-paper);
    background-image: url("../images/diary/cover-diary.webp");
    background-repeat: repeat-y;
    background-position: top center;
    background-size: 100vw auto;
}

body[data-page="diary"] .site-header,
body[data-page="diary"] .site-footer,
.diary-page {
    position: relative;
    z-index: 1;
}

body[data-page="diary"] .site-header,
body[data-page="diary"] .site-header button,
body[data-page="diary"] .site-header a,
body[data-page="diary"] .site-footer {
    font-family: "Zen Kurenaido", "Yu Gothic", sans-serif;
}

.diary-page {
    width: min(100%, var(--diary-width));
    min-height: 100vh;
    margin-inline: auto;
    container-type: inline-size;
    container-name: diary-page;
}

/* =========================================================
   Header banner
   ========================================================= */

.diary-header {
    position: relative;
    width: 90cqw;
    aspect-ratio: 3.35 / 1;
    margin: 8cqw auto 0;
    overflow: visible;
}

.diary-header__base,
.diary-header__letter {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    pointer-events: none;
}

.diary-header__base {
    animation: diaryHeaderBaseIn 640ms ease forwards;
}

.diary-header__letter {
    transform: translateX(-4.5cqw);
    animation: diaryHeaderLetterIn 680ms 260ms var(--diary-ease) forwards;
}

@keyframes diaryHeaderBaseIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes diaryHeaderLetterIn {
    from {
        opacity: 0;
        transform: translateX(-4.5cqw);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* =========================================================
   Toolbar
   ========================================================= */

.diary-index {
    width: 94cqw;
    margin: 9cqw auto 0;
}

.diary-toolbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    min-height: 8cqw;
    padding: 0 4.5cqw 2.2cqw;
}

.diary-sort {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 2.1cqw;
    min-height: 7.2cqw;
    padding: 0;
    color: var(--diary-color);
    background: transparent;
    border: 0;
    font-size: 2.75cqw;
    line-height: 1;
    white-space: nowrap;
    cursor: pointer;
}

.diary-sort__icon {
    display: block;
    flex: 0 0 auto;
    width: 5.2cqw;
    height: 5.2cqw;
    background-color: var(--diary-color);
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
    transform: rotate(var(--diary-sort-rotation, 0deg));
    transition: transform 360ms var(--diary-ease);
}

.diary-sort__label {
    display: block;
    line-height: 1;
}

.diary-sort:focus-visible,
.diary-item__open:focus-visible,
.diary-item__action:focus-visible,
.diary-window button:focus-visible {
    outline: 0.4cqw solid currentColor;
    outline-offset: 0.45cqw;
}

.diary-page-count {
    margin: 0 1.5cqw 0 0;
    color: var(--diary-color);
    font-size: 2.7cqw;
    line-height: 1;
    letter-spacing: 0.08em;
}

.diary-double-rule {
    position: relative;
    width: 100%;
    height: 1.4cqw;
    border-top: 0.25cqw solid var(--diary-color);
    border-bottom: 0.52cqw solid var(--diary-color);
}

/* =========================================================
   Diary rows
   ========================================================= */

.diary-list,
.diary-secret-list {
    display: grid;
    row-gap: 2.5cqw;
}

.diary-list {
    margin-top: 6.8cqw;
}

.diary-secret-list {
    margin-top: 1.2cqw;
}

.diary-item {
    position: relative;
    display: grid;
    grid-template-columns: 19.5cqw minmax(0, 1fr) auto;
    align-items: center;
    min-height: 12.1cqw;
    padding: 1.4cqw 5.7cqw 0cqw 4.3cqw;
    color: var(--diary-color);
    isolation: isolate;
    transform-origin: top left;
}

.diary-item__open {
    position: absolute;
    z-index: 1;
    inset: 0;
    width: 100%;
    padding: 0;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.diary-item__date,
.diary-item__title,
.diary-item__actions,
.diary-item__rule {
    position: relative;
    z-index: 2;
    pointer-events: none;
}

.diary-item__date {
    grid-column: 1;
    margin: 0;
    font-size: 2.25cqw;
    line-height: 1;
    white-space: nowrap;
}

.diary-item__title {
    grid-column: 2;
    min-width: 0;
    margin: 0;
    font-size: 3.8cqw;
    font-weight: 400;
    line-height: 1.12;
    overflow-wrap: anywhere;
}

.diary-item__actions {
    grid-column: 3;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 2.4cqw;
    min-width: 7cqw;
    pointer-events: auto;
}

.diary-item__action {
    position: relative;
    z-index: 3;
    display: grid;
    width: 5.3cqw;
    height: 5.3cqw;
    padding: 0;
    place-items: center;
    color: var(--diary-color);
    background: transparent;
    border: 0;
    text-decoration: none;
    cursor: pointer;
}

.diary-item__action-icon {
    display: block;
    width: 100%;
    height: 100%;
    background-color: var(--diary-color);
    mask-repeat: no-repeat;
    mask-position: center;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: center;
    -webkit-mask-size: contain;
}

.diary-item__action--related {
    width: var(--diary-related-size);
    height: var(--diary-related-size);
    transform: translate(
        var(--diary-related-shift-x),
        var(--diary-related-shift-y)
    );
}

.diary-item__action--fav {
    width: 5.7cqw;
    height: 5.7cqw;
}

.diary-item__action--fav .diary-item__action-icon {
    background-color: var(--diary-fav-color);
}

.diary-item__rule {
    position: absolute;
    right: 2.4cqw;
    bottom: 0;
    left: 2.4cqw;
    height: var(--diary-rule-thickness);
    background: var(--diary-color);
    opacity: 0.88;
    transform: scaleY(var(--diary-rule-scale));
    transform-origin: center;
}

.diary-item--secret .diary-item__actions {
    min-width: 0;
}

.diary-item-placeholder {
    width: 100%;
}

/* =========================================================
   Expanded window
   ========================================================= */

.diary-window {
    position: fixed;
    z-index: 3000;
    inset: 0;
    display: grid;
    width: min(100%, var(--diary-width));
    margin-inline: auto;
    padding: min(3vw, 21.6px);
    place-items: center;
    container-type: inline-size;
    container-name: diary-window;
    background: transparent;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    touch-action: pan-y;
    transition:
        opacity 260ms ease,
        visibility 0s linear 260ms;
}

.diary-window[hidden] {
    display: none !important;
}

.diary-window.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
}

.diary-window__panel {
    position: relative;
    width: min(100%, 900px);
    max-height: calc(100dvh - 6cqw);
    padding: 0;
    overflow: hidden;
    color: var(--diary-color);
    background-color: var(--diary-paper);
    background-image: url("../images/diary/cover-diary.webp");
    background-repeat: repeat-y;
    background-position: top center;
    background-size: 100% auto;
    border: 0.45cqw solid var(--diary-color);
    scrollbar-width: none;
    transform: scale(0.985);
    transition: transform 300ms var(--diary-ease);
}

.diary-window.is-visible .diary-window__panel {
    transform: scale(1);
}

.diary-window__panel::-webkit-scrollbar {
    display: none;
}

.diary-window__panel::before {
    position: absolute;
    z-index: 0;
    inset: 1.25cqw;
    content: "";
    border: 1.05cqw solid rgb(116 104 87 / 34%);
    pointer-events: none;
}

.diary-window__close {
    position: absolute;
    z-index: 8;
    top: 3.3cqw;
    left: 3.3cqw;
    width: 7cqw;
    height: 7cqw;
    padding: 0;
    color: var(--diary-color);
    background: transparent;
    border: 0;
    font-family: "Zen Kurenaido", sans-serif;
    font-size: 7cqw;
    font-weight: 400;
    line-height: 1;
    cursor: pointer;
}

.diary-window__article {
    position: relative;
    z-index: 1;
    width: 74cqw;
    margin: 0 auto;
    max-height: calc(100dvh - 6.9cqw);
    padding: 14.5cqw 0 8.2cqw;
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: none;
    opacity: 1;
    transform: translateY(0);
    transition: opacity 180ms ease, transform 240ms var(--diary-ease);
}

.diary-window__article::-webkit-scrollbar {
    display: none;
}

.diary-window__heading-host {
    min-height: 13cqw;
}

.diary-item.is-expanded {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
        "title actions"
        "rule rule"
        "date date";
    align-items: center;
    width: 100%;
    min-height: 0;
    padding: 0;
}

.diary-item.is-expanded .diary-item__open {
    display: none;
}

.diary-item.is-expanded .diary-item__title {
    grid-area: title;
    font-size: 3.8cqw;
    line-height: 1.08;
}

.diary-item.is-expanded .diary-item__actions {
    grid-area: actions;
    gap: 2cqw;
    min-width: 0;
    padding-left: 2.5cqw;
}

.diary-item.is-expanded .diary-item__action {
    width: 5.3cqw;
    height: 5.3cqw;
}

.diary-item.is-expanded .diary-item__action--related {
    width: var(--diary-related-size);
    height: var(--diary-related-size);
    transform: translate(
        var(--diary-related-shift-x),
        var(--diary-related-shift-y)
    );
}

.diary-item.is-expanded .diary-item__action--fav {
    width: 5.8cqw;
    height: 5.8cqw;
}

.diary-item.is-expanded .diary-item__rule {
    position: static;
    grid-area: rule;
    width: calc(100% + 5cqw);
    height: var(--diary-rule-thickness);
    margin: 1.2cqw 0 1.1cqw -2.5cqw;
    transform: scaleY(var(--diary-rule-scale));
    transform-origin: center;
}

.diary-item.is-expanded .diary-item__date {
    grid-area: date;
    margin-left: 3.3cqw;
    font-size: 2.15cqw;
}

.diary-window__body {
    width: 63cqw;
    margin: 7.4cqw auto 0;
    color: var(--diary-color);
    font-size: 2.6cqw;
    line-height: 1.82;
    text-align: left;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.diary-window__author {
    width: 8.8cqw;
    height: 6cqw;
    margin: 4.8cqw 0 0 1.5cqw;
    background-color: var(--diary-color);
    mask-repeat: no-repeat;
    mask-position: left center;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    -webkit-mask-position: left center;
    -webkit-mask-size: contain;
}

.diary-window__lower-rule {
    width: 100%;
    height: var(--diary-rule-thickness);
    margin-top: 8cqw;
    background: var(--diary-color);
    transform: scaleY(var(--diary-rule-scale));
    transform-origin: center;
}

.diary-window__pager {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: center;
    margin-top: 2.3cqw;
}

.diary-window__pager button {
    justify-self: center;
    width: 10cqw;
    height: 6cqw;
    padding: 0;
    color: var(--diary-color);
    background: transparent;
    border: 0;
    font-family: "Zen Kurenaido", sans-serif;
    font-size: 5cqw;
    line-height: 1;
    cursor: pointer;
    transform: scaleX(1.65);
}

.diary-window__pager button:first-child {
    justify-self: start;
}

.diary-window__pager button:last-child {
    justify-self: end;
}

body.diary-window-open [data-diary-background-disabled] {
    pointer-events: none;
}

body.diary-window-open .diary-window,
body.diary-window-open .diary-window * {
    pointer-events: auto;
}

body[data-page="diary"] .site-footer__inner {
    margin-top: 14cqw;
}

@media (min-width: 1100px) {
    .diary-page,
    body[data-page="diary"] .site-header__frame,
    body[data-page="diary"] .site-footer__frame {
        max-width: var(--diary-width);
    }

    .diary-site-bg {
        background-size: var(--diary-width) auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    .diary-header__base,
    .diary-header__letter {
        opacity: 1;
        transform: none;
        animation: none !important;
    }

    .diary-window,
    .diary-window__panel,
    .diary-sort__icon {
        transition: none !important;
    }
}

.diary-window__article.is-switching {
    opacity: 0.28;
    transform: translateY(0.8cqw);
}