@charset "utf-8";

* {
  max-width: 100%;
  max-height: 100%;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

img {
  display: block;
  max-width: 100%;
  max-height: 100%;
}

body {
  /* background-color: var(--footer-color); */
  /* color: var(--hikari-black); */
}

em {
  font-weight: bold;
}

/* ==========基本レイアウト============ */
.h1-container {
  padding-inline: 1rem;
  background-color: var(--main-color);
}
h1 {
  max-width: var(--meaningful-max-width);
  margin-inline: auto;
  padding-top: 0.25em;
  padding-bottom: 0.25em;
  font-size: 2rem;
  font-weight: bold;
}
section.lv1 {
  width: 100%;
}

section > p,
section div > p {
  padding: 0.25em 0.5em 0.75em 0.5em;
}

h2 {
  max-width: var(--meaningful-max-width);
  margin-inline: auto;
  padding-inline: 0.5rem;
  padding-top: 0.25em;
  /* padding-bottom: 0.25em; */
  font-size: 1.5rem;
  font-weight: bold;

  text-decoration: underline;
  text-underline-offset: -0.3em;
  text-decoration-thickness: 0.6em;
  text-decoration-color: var(--main-color-light);
  text-decoration-skip-ink: none;
}
section.lv2 {
  max-width: var(--meaningful-max-width);
  margin-inline: auto;
  padding-bottom: 1rem;
  /* background-color: var(--base-color); */
}
section.lv2-main {
  padding-inline: 0.5rem;
}
section.lv2 > p,
section.lv2 div > p {
  max-width: var(--meaningful-max-width);
  margin-inline: auto;
}

h3 {
  /* text-align: center; */
  font-size: 1.25rem;
  font-weight: bold;
  padding-inline: 0.5rem;
}
section.lv3 {
  max-width: var(--meaningful-max-width);
  margin-inline: auto;
  padding-top: 0.25rem;
  padding-bottom: 0.5rem;
}

.dl-style1 {
  padding: 0.25em 0.5em 0.75em 2em;
}
.dl-style1 dt {
  display: list-item;
  list-style-type: disc;
  font-weight: bold;
}

main dl {
  padding: 0.25em 0.5em 0.75em 0.5em;
}

main ol,
main ul {
  padding: 0.25em 0.5em 0.75em 2.5em;
}

/* ====================== */
dl.flex-2col-container-table-like {
  display: flex;
  flex-wrap: wrap;
}

.flex-2col-container-table-like dt,
.flex-2col-container-table-like dd {
  border: solid 1px black;
  margin-bottom: 0.25em;
  padding-top: 0.125em;
  padding-bottom: 0.125em;
  padding-inline: 0.5em;
}

.flex-2col-container-table-like > dt {
  width: 20%;
  text-align: end;
  background-color: var(--sub-color-pale);
}
.flex-2col-container-table-like > dd {
  width: 80%;
  border-left: 0;
}

/* ===========カラム管理=========== */
.col-container {
  max-width: var(--meaningful-max-width);
  margin-inline: auto;
  padding-inline: 1rem;
  display: flex;
}
.left-col-sidebar {
  width: var(--left-col-sidebar-width);
  margin-top: 0.5rem;
  padding-right: 0.25rem;
  border-right: solid 1px var(--border-color);
}
.right-col-maincol {
  max-width: var(--main-text-max-width);
  width: 100%;
  margin-left: 1rem;
}

.one-col-container {
  max-width: var(--meaningful-max-width);
  margin-inline: auto;
  padding-inline: 1rem;
}

/* ==========汎用================================================== */

/* 汎用ボタン */
.hikari-button-container > a {
  display: block;
  width: fit-content;
  text-decoration: none;
}

.hikari-button {
  /* height: 2em; */
  padding-top: 0.25em;
  padding-bottom: 0.25em;
  padding-inline: 0.75em;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  border-width: 0;
  background-color: var(--buttom-deep);
  color: var(--hikari-white);
  border-radius: 0.25em;
  font-size: 1.5rem;
  font-weight: 500;
  display: flex;
  align-items: center;
}
.hikari-button:hover {
  cursor: pointer;
  background-color: var(--buttom-deep-active);
}
/* 「.hikari-button-container」>「a」>「.hikari-button」の順にすること。フローコンテンツで挟む。 */

/* 汎用画像表示 */
.image480 {
  max-width: calc(min(30rem, 100%));
  max-height: 30rem;
  margin-inline: auto;
}
.image640 {
  max-width: calc(min(40rem, 100%));
  max-height: 40rem;
  margin-inline: auto;
}
.image800 {
  max-width: calc(min(50rem, 100%));
  max-height: 50rem;
  margin-inline: auto;
}

figure.note {
  width: fit-content;
  margin-inline: auto;
  padding: 0.25em 0.5em 0.75em 0.5em;
}
figure.note figcaption {
  margin-inline: 0.25em;
  text-align: center;
}

/* 水平中央 */
.horizontal-center-container > * {
  width: fit-content;
  margin-inline: auto;
}

.vertical-center-container > * {
  display: flex;
  align-items: center;
}

/* ===========トップページ用=========== */
.top-page {
  padding-top: 1rem;
}

.top-page h2 {
  width: fit-content;
  margin-inline: auto;
}

.top-page p {
  width: fit-content;
  margin-inline: auto;
}
.top-page section {
  margin-bottom: 2rem;
  padding-inline: 1rem;
  background-color: var(--main-color);
}
.top-page .hikari-button-container {
  padding-bottom: 1rem;
}

.top-page .item-card-list {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.top-page .item-card {
  min-width: initial;
}

.top-page .item-card {
  border-bottom: solid 1px var(--buttom-deep);
}
.top-page .item-card a:hover {
  text-decoration: underline;
  background-color: var(--hikari-white);
}
/* ==========アコーディオン================================================== */

.accordion-open > .accordion-button::after {
  content: "ー";
}

.accordion-button::after {
  content: "＋";
  margin-left: auto;
  padding-left: 0.5em;
}

.accordion-button {
  display: flex;
  align-items: center;
  text-align: left;
}
button.accordion-button {
  appearance: none;
}

.accordion-button:hover {
  cursor: pointer;
}

.accordion-body {
  height: 0;
  overflow: hidden;
  transition: all 0.25s;
}

.accordion-text {
  background-color: #f2f2f2;
}