/*! kiso.css v1.2.0 | MIT License | https://github.com/tak-dcxi/kiso.css */

/* ======================================================
//  MARK: Universal
// ====================================================== */
*,
::before,
::after {
  /*
  * Includes `padding` and `border` in the element's specified dimensions.
  * It is highly recommended to set `box-sizing: border-box;` by default, as it makes styling much easier, especially when specifying `width: 100%;`.
  */
  box-sizing: border-box;
}

/* ======================================================
//  MARK: Document and Body Elements
// ====================================================== */
:where(:root) {
  /* In Safari, if `font-family` is not specified, a serif font is applied by default, so `sans-serif` is set as the default here. */
  font-family: sans-serif;

  /*
  * For accessibility, it is recommended to set the `line-height` to at least 1.5 times the text size within paragraphs.
  * @see https://waic.jp/translations/WCAG21/#visual-presentation
  */
  line-height: 1.5;

  /* Remove space when punctuation marks are adjacent, and also remove leading spaces in a line. */
  text-spacing-trim: trim-start;

  /* Improves readability by inserting a small space between Japanese and alphanumeric characters. */
  text-autospace: normal;

  /* Prevents misreading by applying strict line-breaking rules. */
  line-break: strict;

  /* Wraps English words mid-word. Specifying `anywhere` also prevents content from overflowing in layouts like `flex` or `grid`. */
  overflow-wrap: anywhere;

  /*
  * Mobile browsers have an algorithm that automatically adjusts font sizes to prevent text from becoming too small.
  * This controls the auto-adjustment feature to prevent unwanted resizing.
  */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;

  /* Prevents layout shift caused by the appearance or disappearance of the scrollbar. */
  scrollbar-gutter: stable;

  /* Suppresses the tap highlight on iOS. */
  -webkit-tap-highlight-color: transparent;
}

:where(body) {
  /*
  * When creating a sticky footer, a minimum height is often required.
  * Setting the `min-block-size` to the dynamic viewport height ensures enough space for the footer.
  */
  min-block-size: 100dvb;

  /* The `margin` specified in the User Agent (UA) stylesheet is often unnecessary, so it is reset here. */
  margin: unset;
}

/* ======================================================
// MARK: Sections
// ------------------------------------------------------ */
:where(h1, h2, h3, h4, h5, h6) {
  /* Prevents the last line of text from ending with a single word, which can look awkward (known as an orphan). */
  text-wrap: pretty;
}

:where(h1) {
  /*
  * Adjusts user agent (UA) styles for `h1` elements within sectioning content.
  * This addresses DevTools warnings that appear when `h1` elements nested within sectioning content lack `font-size` and `margin` properties.
  * @see https://html.spec.whatwg.org/#sections-and-headings
  */
  margin-block: 0.67em;
  font-size: 2em;
}

:where(h2, h3, h4, h5, h6) {
  /* The `margin-block` specified in the User Agent (UA) stylesheet is often unnecessary, so it is reset. */
  margin-block: unset;
}

:where(search) {
  /*
  * The `<search>` element is supported from Safari 17.
  * This prevents it from being displayed as an inline element in unsupported environments.
  */
  display: block flow;
}

/* ======================================================
//  MARK: Grouping content
// ====================================================== */
:where(p, blockquote, figure, pre, address, ul, ol, dl, menu) {
  /* The `margin-block` specified in the User Agent (UA) stylesheet is often unnecessary, so it is reset. */
  margin-block: unset;
}

:where(blockquote, figure) {
  /* The `margin-inline` specified in the User Agent (UA) stylesheet is often unnecessary, so it is reset. */
  margin-inline: unset;
}

:where(p:lang(en)) {
  /*
  * In English, a single word on the last line is called a "widow" or "orphan" and is considered something to avoid as it makes the text harder to read.
  * Therefore, when lang="en", this prevents the last line from ending with a single word.
  */
  text-wrap: pretty;
}

:where(address:lang(ja)) {
  /* Italic style is not common in Japanese, so the `font-style` is reset. */
  font-style: unset;
}

:where(ul, ol, menu) {
  /* The `padding-inline-start` specified in the User Agent (UA) stylesheet is often unnecessary, so it is reset. */
  padding-inline-start: unset;

  /*
  * In Safari, using `list-style: none` prevents screen readers from announcing lists.
  * `list-style-type: ""` is used to hide markers without affecting accessibility.
  * @see https://matuzo.at/blog/2023/removing-list-styles-without-affecting-semantics
  */
  list-style-type: "";
}

:where(dt) {
  /* It is common to display `<dt>` elements in bold, so `font-weight: bolder;` is set by default. */
  font-weight: bolder;
}

:where(dd) {
  /* The `margin-inline-start` specified in the User Agent (UA) stylesheet is often unnecessary, so it is reset. */
  margin-inline-start: unset;
}

:where(pre) {
  /*
  * Since `text-spacing-trim` can affect spacing in `<pre>` elements even with its initial value, the final rendering may depend on the user's font settings.
  * To ensure consistent alignment, `space-all` is explicitly specified and inheritance is prevented.
  */
  text-spacing-trim: space-all;

  /* Set to `no-autospace` as it can cause misalignment with monospaced fonts. */
  text-autospace: no-autospace;
}

@media print {
  :where(pre) {
    /* Wraps text when printing. */
    white-space: pre-wrap;
  }
}

/* ======================================================
//  MARK: Text-level semantics
// ====================================================== */
:where(em:lang(ja)) {
  /* In Japanese, emphasis is commonly represented by bold text, so `font-weight: bolder;` is set by default. */
  font-weight: bolder;
}

:where(:is(i, cite, em, dfn, var):lang(ja)) {
  /* Italic style is not common in Japanese, so the `font-style` is reset. */
  font-style: unset;
}

:where(code, kbd, samp) {
  /*
  * Set a monospace font family referencing Tailwind.
  * @see https://tailwindcss.com/docs/font-family
  */
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;

  /* Font feature settings can have adverse effects on monospaced fonts, so their values are explicitly set to `initial` to prevent inheritance. */
  font-feature-settings: initial;
  font-variation-settings: initial;

  /* Resets the `font-size` specified in the UA stylesheet to allow inheritance. */
  font-size: unset;

  /*
  * Disables font ligatures for programming fonts (like Fira Code)
  * to prevent character combinations like `=>` from being rendered as a single symbol (e.g., `⇒`).
  */
  font-variant-ligatures: none;
}

:where(abbr[title]) {
  /*
  * The `<abbr>` element with the `title` attribute isn't helpful regarding accessibility because support is inconsistent, and it's only accessible to some users.
  * This rule shows a dotted underline on abbreviations in all browsers (there's a bug in Safari) and changes the cursor.
  * @see https://adrianroselli.com/2024/01/using-abbr-element-with-title-attribute.html
  */
  text-decoration-line: underline;
  text-decoration-style: dotted;
  cursor: help;
}

:where(time) {
  /* Set to `no-autospace` because date notations in typography do not include spaces. */
  text-autospace: no-autospace;
}

@media (forced-colors: active) {
  :where(mark) {
    /*
    * In forced-colors mode, the color of the mark element may not change, which can be problematic. Use system colors in forced-colors mode.
    * @see https://adrianroselli.com/2017/12/tweaking-text-level-styles.html#MarkWHCM
    */
    background-color: Highlight;
    color: HighlightText;
  }
}

@media print {
  :where(mark) {
    /*
    * Not all printers support color, and users might print in grayscale.
    * It's worth adding a non-disruptive style that scales with the text, as an alternative to relying only on background color.
    * @see https://adrianroselli.com/2017/12/tweaking-text-level-styles.html#MarkPrint
    */
    border: 1px dotted;
  }
}

/* ======================================================
//  MARK: Links
// ====================================================== */
:where(a:any-link) {
  /* The default `color` from the UA stylesheet is rarely used as is, so it's reset to allow inheritance. */
  color: unset;

  /*
  * While link underlines can be useful, they are often obstructive.
  * They are disabled by default.
  * If needed, restore them using `text-decoration-line: revert;`.
  */
  text-decoration-line: unset;

  /* Set the underline thickness to the font's default thickness. */
  text-decoration-thickness: from-font;
}

/* ======================================================
//  MARK: Embedded content
// ====================================================== */
:where(img, svg, picture, video, canvas, model, audio, iframe, embed, object) {
  /* Automatically adjust block size based on content. */
  block-size: auto;

  /* Prevents overflow by setting the maximum width to `100%`. */
  max-inline-size: 100%;

  /* Prevents extra space from appearing at the bottom of the element. */
  vertical-align: bottom;
}

:where(iframe) {
  /* The `border` specified in the UA stylesheet is often unnecessary, so it is reset. */
  border: unset;
}

/* ======================================================
//  MARK: Tabular data
// ====================================================== */
:where(table) {
  /* Collapse borders for a more refined table design. */
  border-collapse: collapse;
}

:where(caption, th) {
  /* The `text-align` specified in the UA stylesheet is often unnecessary, so it is reset. */
  text-align: unset;
}

:where(caption) {
  /* Prevents the last line of text from ending with a single word, which can look awkward (known as an orphan). */
  text-wrap: pretty;
}

/* ======================================================
//  MARK: Forms
// ====================================================== */
:where(button, input, select, textarea),
::file-selector-button {
  /*
  * These elements are often styled with a border, so a `1px` border is applied by default for consistency.
  * This ensures readability even for unstyled elements.
  * When resetting, it's recommended to use `border-color: transparent` instead of `border: none` to account for forced color modes.
  */
  border-width: 1px;
  border-style: solid;

  /* These styles specified in the UA stylesheet are often unnecessary, so they are reset to allow for inheritance. */
  border-color: unset;
  border-radius: unset;
  color: unset;
  font: unset;
  letter-spacing: unset;
  text-align: unset;
}

:where(input:is([type="radio" i], [type="checkbox" i])) {
  /* The `margin` specified in the User Agent (UA) stylesheet is often unnecessary, so it is reset here. */
  margin: unset;
}

:where(input[type="file" i]) {
  /* The `border` is often unnecessary, so it is reset here. */
  border: unset;
}

:where(input[type="search" i]) {
  /* Remove the rounded corners of search inputs on macOS and normalize the background color. */
  -webkit-appearance: textfield;
}

@supports (-webkit-touch-callout: none) {
  :where(input[type="search" i]) {
    /* normalize the background color on iOS. */
    background-color: Canvas;
  }
}

:where(
    input:is(
        [type="tel" i],
        [type="url" i],
        [type="email" i],
        [type="number" i]
      ):not(:placeholder-shown)
  ) {
  /*
  * Certain input types need to maintain left alignment even in right-to-left (RTL) languages.
  * However, this only applies when the value is not empty, as the placeholder should be right-aligned.
  * @see https://rtlstyling.com/posts/rtl-styling#form-inputs
  */
  direction: ltr;
}

:where(textarea) {
  /* The `margin-block` specified in Firefox's UA stylesheet is often unnecessary, so it is reset. */
  margin-block: unset;

  /* Allows vertical resizing for `<textarea>` elements. */
  resize: block;
}

:where(
    input:not([type="button" i], [type="submit" i], [type="reset" i]),
    textarea,
    [contenteditable]
  ) {
  /* Set to `no-autospace` because `text-autospace` can insert spaces during input, potentially causing erratic behavior. */
  text-autospace: no-autospace;
}

:where(
    button,
    input:is([type="button" i], [type="submit" i], [type="reset" i])
  ),
::file-selector-button {
  /* The `background-color` specified in the User Agent (UA) stylesheet is often unnecessary, so it is reset here. */
  background-color: unset;
}

:where(
    button,
    input:is([type="button" i], [type="submit" i], [type="reset" i]),
    [role="tab" i],
    [role="button" i],
    [role="option" i]
  ),
::file-selector-button {
  /*
  * On iOS, double-tapping a button can cause zooming, which harms usability.
  * `touch-action: manipulation` is specified to disable zooming on double-tap.
  * Third-party plugins such as Swiper sometimes use div elements with these roles as buttons, since double-tapping a div can still trigger zooming, it's advisable to specify this property.
  */
  touch-action: manipulation;
}

:where(
    button:enabled,
    label[for],
    select:enabled,
    input:is(
        [type="button" i],
        [type="submit" i],
        [type="reset" i],
        [type="radio" i],
        [type="checkbox" i]
      ):enabled,
    [role="tab" i],
    [role="button" i],
    [role="option" i]
  ),
:where(:enabled)::file-selector-button {
  /* Indicate clickable elements with a pointer cursor. */
  cursor: pointer;
}

:where(fieldset) {
  /*
  * Prevent fieldset from causing overflow.
  * Reset the default `min-inline-size: min-content` to prevent children from stretching fieldset.
  * @see https://github.com/twbs/bootstrap/issues/12359
  */
  min-inline-size: 0;

  /* The following default styles are often unnecessary, so they are reset. */
  margin-inline: unset;
  padding: unset;
  border: unset;
}

:where(legend) {
  /* The default `padding-inline` is often unnecessary, so it is reset. */
  padding-inline: unset;
}

:where(progress) {
  /* Resets the vertical alignment of the `<progress>` element to its initial value. */
  vertical-align: unset;
}

::placeholder {
  /* Standardize the opacity of placeholder text (it may be set lower by default in Firefox). */
  opacity: unset;
}

/* ======================================================
//  MARK: Interactive elements
// ====================================================== */
:where(summary) {
  /* The default triangle marker is often unnecessary, so it is disabled. */
  list-style-type: "";

  /* Changing the cursor to a pointer clarifies the clickability of the element. */
  cursor: pointer;
}

:where(summary)::-webkit-details-marker {
  /* In Safari versions earlier than 18.4 (released in April 2025), a triangle icon is displayed using the -webkit-details-marker CSS pseudo-element, so it should be removed. */
  display: none;
}

:where(dialog, [popover]) {
  /*
  * When these fixed-position elements are scrolled, preventing scroll chaining on the underlying page and bounce effects on mobile improves usability.
  * Disabling block-direction scroll chaining is recommended.
  */
  overscroll-behavior-block: contain;

  /* The following default styles are often unnecessary, so they are reset. */
  padding: unset;
  border: unset;
}

:where(dialog:not([open], [popover]), [popover]:not(:popover-open)) {
  /*
  * These elements can be easily displayed by explicitly setting their `display` property.
  * To prevent them from appearing when not in an open state, they are forcibly hidden.
  */
  display: none !important;
}

:where(dialog) {
  /*
  * The max width and height of a `<dialog>` element are typically determined by the design.
  * These UA stylesheet properties are reset as they can be obstructive, especially when trying to make the dialog full-screen.
  */
  max-inline-size: unset;
  max-block-size: unset;
}

:where(dialog)::backdrop {
  /* Normalize the background color of the `::backdrop` element. */
  background-color: oklch(0% 0 0deg / 30%);
}

:where([popover]) {
  /*
  * While the UA stylesheet's `margin` for `<dialog>` elements is useful for centering with `inset: 0`,
  * But `margin` for `popover` elements is often obstructive as they frequently use Anchor Positioning.
  */
  margin: unset;
}

/* ======================================================
//  MARK: Focus Styles
// ====================================================== */
:where(:focus:not(:focus-visible)) {
  /* Hide the focus outline to reduce visual clutter unless the element is explicitly `:focus-visible`. */
  outline: none;
}

:where(:focus-visible) {
  /* Add space between the content and the focus outline. */
  outline-offset: 3px;
}

[tabindex="-1"]:focus-visible {
  /* Prevent programmatically focused elements from displaying an outline unless they are naturally focusable. */
  outline: none !important;
}

/* ======================================================
//  MARK: Misc
// ====================================================== */
:where(:disabled, [aria-disabled="true" i]) {
  /* Display the default cursor on disabled elements to reflect their non-interactive state. */
  cursor: default;
}

[hidden]:not([hidden="until-found" i]) {
  /* Ensure that elements intended to be hidden are not displayed, improving clarity and layout control. */
  display: none !important;
}

@supports selector(::scroll-button(*)) {
  ::scroll-button(*) {
    /* Apply the same reset as for `<button>` elements. */
    border-width: 1px;
    border-style: solid;
    border-color: unset;
    border-radius: unset;
    background-color: unset;
    color: unset;
    font: unset;
    letter-spacing: unset;
    text-align: unset;
    touch-action: manipulation;
  }

  ::scroll-button(*):enabled {
    /* Make the scroll button indicate interactivity when enabled. */
    cursor: pointer;
  }
}