/* ==============================
   ページ全体
============================== */

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: #3c3c3c;
    font-family:
        "Noto Sans JP",
        "Yu Gothic",
        sans-serif;
}

.ページ説明 {
    position: relative;
    width: min(1100px, 90%);
    margin: 0 auto;
    padding: 100px 0 70px;
    /* background: white; */
}

.セレクト背景{
    position: absolute;
    top: 0px;
    left:0px;
    background: #ffffff00;
    width:100%;
    height: 100%;
    z-index:-1;
    transition:
        background 0.4s ease,
        backdrop-filter 1.0s ease;
}
.セレクト背景.表示{
    z-index: 11;
    background: #d3d3d330;
    backdrop-filter: blur(6px);
    /* filter: blur(6px); */
    -webkit-backdrop-filter: blur(6px);
}

/* ==============================
   カード一覧
============================== */

.planning-list {
    position: relative;
    perspective: 100px;
    height: 100vh;
    overflow: hidden;
    /* pointer-events: none; */
    background: #f2f2f2;
}


/* ==============================
   各カード
============================== */


.planning-card {
    position: absolute;
    width: 90%;
    background: #c9e7ff;
    overflow: visible;
    /* height: 60%; */
    left: 50%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    /* top: 50%; */
    transition:
        transform 0.4s ease-in-out,
        top 0.4s ease-in-out;
    border: 2px solid #ffffff;
    border-radius: 2%;
}
.planning-card.セレクト{
    background: #ffffff;
     box-shadow: unset
}

/* ==============================
   番号・タイトル
============================== */

.planning-card__heading {
    /* position: absolute; */
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: x-large;
    pointer-events: all;
    font-weight: 700;
    padding-left: 5px;
    margin: 10px 0 0 0;
    /* border-bottom: solid; */
    border-bottom: 5px solid rgb(0 46 67 / 34%);
    /* border-bottom-color: #00000078; */
}

.planning-card__number {
    /* position: relative; */
    /* margin-top: -55px; */
    /* font-size: 52px; */
    margin: 0;
    /* line-height: 1; */
    /* font-weight: 900; */
    /* letter-spacing: -0.06em; */
    /* color: #123f73; */
}

.planning-card__title {
    margin: 0;
    /* padding-top: 3px; */
    /* font-size: 15px; */
    /* font-weight: 700; */
    /* line-height: 1.5; */
    /* color: #123f73; */
}


/* ==============================
   画像
============================== */

.planning-card__visual {
    pointer-events: none;
    display: flex;
    justify-content: center;
    /* position: relative; */
    width: 90%;
    margin: 5%;
    /* background: #ffffff; */
    /* box-shadow:
        7px 8px 0 rgba(30, 59, 96, 0.5); */
    transition:
        transform 0.35s ease,
        box-shadow 0.35s ease;
}

.planning-card__visual img {
    /* display: block; */
    /* width: 100%; */
    /* height: 240px; */
    max-width: 100%;
    max-height: 600px;
    /* object-fit: contain; */
    /* background: #ffffff; */
}


/* 少し紙っぽく傾ける */

.planning-card:nth-child(3n + 1) .planning-card__visual {
    transform: rotate(-1deg);
}

.planning-card:nth-child(3n + 2) .planning-card__visual {
    transform: rotate(0.7deg);
}

.planning-card:nth-child(3n) .planning-card__visual {
    transform: rotate(-0.4deg);
}