/* Layout */
.main-and-side {
    display: flex;
    gap: 40px;
    margin: 50px auto 150px;
    padding: 0 60px;
    max-width: none;
}

/*  Side Menu */
.side-menu {
    width: 220px;
    min-width: 220px;
    position: sticky;
    margin-top: 200px;
    align-self: flex-start;
}

.side-menu ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.side-menu ul li {
    position: relative;
    height: 60px;
    display: flex;
    align-items: center;
    font-size: 13px;
    border-bottom: 1px solid #9c9c9c;
}

.side-menu ul li:first-of-type {
    border-top: 1px solid #9c9c9c;
    font-weight: bold;
}

.side-menu ul li a {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    font-weight: 600;
}

.side-menu .current-page {
    color: #9c9c9c;
}

.side-menu ul li:not(:has(.current-page))::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 0;
    height: 5px;
    background: linear-gradient(to right, #ffd4c6 0%, #EB5F51 100%);
    transition: width 0.4s ease;
}

.side-menu ul li:not(:has(.current-page)):hover::after {
    width: 100%;
}

.side-menu ul li a:hover {
    color: #e73424;
}

.side-menu ul li a {
    color: #222;
    font-weight: 400;
}

.side-menu ul li:first-child a {
    font-weight: 700;
    color: #222;
}

.side-menu ul li.is-current a {
    color: #9c9c9c;
    font-weight: 400;
}

.side-menu-img-div {
	display: none;
}

/* Responsive */
@media screen and (max-width: 768px) {
    .main-and-side {
        flex-direction: column;
        padding: 0 16px;
    }

    .side-menu {
        position: static;
        width: 100%;
        min-width: auto;
        margin-left: 0;
        margin-right: 0;
        margin-top: 40px;
        padding: 30px 0 0 0;
        order: 2;
    }

    .side-menu-group {
        display: flex;
        flex-flow: column;
        padding: 0;
		margin-left: -16px !important;
        margin-right: -16px !important;
    }

    .side-menu-group li {
        flex: 0 0 50%;
        border: none;
        height: auto;
    }

    .side-menu .current-page {
        padding: 16px;
    }

    .side-menu-group li a {
        position: relative;
        display: flex;
        align-items: center;
        min-height: 5em;
        padding: 1em;
        font-size: 1.5em;
        font-weight: 600;
        color: #222;
        text-decoration: none;
        background: #fff;
        border-radius: 0.75em;
        overflow: hidden;
    }
	
	.side-menu-img-div {
		display: block;
		position: absolute;
		top: 0;
		right: 0;
		height: 100%;
	}
	
	.side-menu-img-div p {
		font-size: 2em;
	}
	
	.side-menu-img {
		height: 100%;
	}
	
	.side-menu-gra {
        position: absolute;
        top: 0;
        left: -0.1em;
        width: 100%;
        height: 100%;
        background:
            linear-gradient(to right,
            rgba(255, 255, 255, 1) 0%,
            rgba(255, 255, 255, 0.9) 15%, rgba(255, 255, 255, 0.5) 40%,
            rgba(255, 255, 255, 0) 65%);
    }
}

@media screen and (max-width: 765px) {
    /* レイアウトを縦並びにする（前提） */
    .main-and-side {
        flex-direction: column;
    }

    /* サイドメニュー本体 */
    .side-menu {
        position: static;
        width: 100%;
        min-width: auto;
        order: 3;
        margin-top: 40px;
    }

    /* メニューリスト全体（← side-menu-ul → side-menu-group に変更） */
    .side-menu-group {
        display: flex;
        flex-wrap: wrap;
        padding: 0;
        margin: 0;
        list-style: none;

        /* 2カラム時の“カード間の隙間”を作るなら */
        gap: 12px 12px;
    }

    /* 各メニュー項目（2カラム） */
    .side-menu-group li {
        /* gapを使うので calc で2列を成立させる */
        flex: 0 0 calc(50% - 6px);
        border-bottom: none;   /* liの線はカードに任せる */
        height: auto;          /* aが56pxを持つので固定不要 */
    }

    .side-menu-group li:first-of-type {
        border-top: none;
    }

    /* リンク本体（カード） */
    .side-menu-group a {
        position: relative;
        display: flex;
        align-items: center;
        min-height: 56px;
        padding: 16px;
        font-size: 14px;
        font-weight: 600;
        color: #222;
        text-decoration: none;
        background: #fff;
        border-radius: 12px;
        overflow: hidden;

        /* クリック領域＆見た目の安定 */
        width: 100%;
    }

    /* タップ時演出 */
    .side-menu-group a:active::after {
        background-size: 110%;
    }

    .side-menu-group {
        gap: 0!important;
    }

    .side-menu-group li {
        flex: 0 0 50% !important;
    }

    .side-menu-group a {
        border-radius: 0 !important;
    }
}
/* Side Banner */
.side-banner {
  margin-top: 16px; /* メニューの下に余白 */
}

.side-banner-link {
  display: block;
  text-decoration: none;
}

.side-banner-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px; /* 好みで */
}
@media (min-width: 1025px){
    .side-menu{
        position: sticky;
        top: 90px;
    max-height: calc(100vh - 90px - 24px);
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }
    .side-menu::after{
        content: "";
        display: block;
        height: 120px;
    }
}