@charset "utf-8";
/* ========================================
   1チョコ for 1スマイル キャンペーン
======================================== */

:root {
    --color-base: #231815;
    --transition-hover: 0.2s;
    --width-content: 400px;
    --width-side-right: 180px;
}

body {
    color: var(--color-base);
    font-family: "IBM Plex Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-size: 11px;
    font-weight: 500;
    line-break: strict;
    overflow-x: hidden;
    width: 100%;
}

img {
    height: auto;
    width: 100%;
    max-width: 100%;
}

/* layout */
.layout {
    background: url(../images/bg_pc_01.jpg) repeat;
    background-size: auto;
}

/* ----------------------------------------
   ヘッダー
---------------------------------------- */

.header {
    background-color: #ffffff;
}

/* ----------------------------------------
   フッター
---------------------------------------- */

/* ----------------------------------------
   コンテンツ
---------------------------------------- */

/* content */
#content {
    background: url(../images/bg_content_01.jpg) repeat-y;
    background-size: 100%;
    margin-left: auto;
    margin-right: var(--width-side-right);
    width: var(--width-content);
}

/* section */
.section {
    background-color: #ffffff;
}

.section.separator {
    margin-bottom: 35px;
}

/* heading */

/* button */
.button-wrap {
    margin: 0 auto;
    width: 86.25%;
}

.button-text {
    margin: 0 0 15px;
}

.button {
    display: block;
    transition: scale var(--transition-hover);
    width: 100%;
}

.button:hover {
    scale: 1.02;
}

/* ----------------------------------------
   特別期間限定キャンペーン
---------------------------------------- */

.section-campaign {
    padding: 0 0 30px;
}

.campaign-heading {
    margin: 0 0 25px;
}

.campaign-prize {
    display: flex;
    flex-direction: column-reverse;
    gap: 26px 0;
    margin: 0 auto 26px;
    width: 82.5%;
}

.campaign-invitation-date {
    margin: 0 0 16px;
}

.campaign-invitation-time {
    margin: 0 0 26px;
}

/* ----------------------------------------
   ミニセミナーの内容を少しだけご紹介
---------------------------------------- */

.section-about {
    overflow: hidden;
    padding: 0 0 38px;
    position: relative;
}

.section-about::before,
.section-about::after {
    background-position: center;
    background-repeat: no-repeat;
    background-size: 100%;
    content: "";
    display: block;
    pointer-events: none;
    position: absolute;
}

.section-about::before {
    background-image: url(../images/deco_about_01.png);
    height: 71px;
    top: 142px;
    right: -30px;
    width: 80px;
}

.section-about::after {
    background-image: url(../images/deco_about_02.png);
    height: 63px;
    bottom: 82px;
    left: -32px;
    width: 71px;
}

.about-heading {
    margin: 0 0 7px;
}

.about-subheading {
    margin: 0 auto 7px;
    width: 75%;
}

.about-description {
    font-size: 10px;
    line-height: 1.8;
    margin: 0 auto 13px;
    text-align: justify;
    width: 67.5%;
}

.about-description b {
    font-weight: 700;
}

.about-period {
    margin: 0 auto 24px;
    width: 75%;
}

.about-image {
    margin: 0 auto 12px;
    width: 75%;
}

/* ----------------------------------------
   森永エンゼルミュージアムってどんなところだろう？
---------------------------------------- */

.section-morium {
    padding: 0 0 17px;
}

.morium-heading {
    margin: 0 0 19px;
}

.morium-image {
    margin: 0 auto 20px;
    width: 72.5%;
}

.morium-description {
    font-size: 11px;
    line-height: 2.4;
    margin: 0 auto 15px;
    text-align: justify;
    width: 80%;
}

.morium-notes {
    border: 1px solid #e60012;
    margin: 18px auto 0;
    padding: 12px 6.68% 10px;
    width: 93.5%;
}

.morium-notes-heading {
    color: #e60012;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.05em;
    line-height: 1.4;
    margin: 0 0 9px;
}

.morium-notes-heading::before {
    content: "●";
}

.morium-notes-list li {
    font-size: 11px;
    letter-spacing: 0.025em;
    line-height: 1.7;
    padding: 0 0 0 5px;
}

.morium-notes-list li::before {
    content: "※";
}

/* ----------------------------------------
   サイド
---------------------------------------- */

/* side */
.side {
    height: 100vh;
    position: fixed;
    top: 0;
}

.side-left {
    align-items: center;
    display: flex;
    justify-content: center;
    left: 0;
    width: calc(100% - var(--width-content) - var(--width-side-right));
}

.pc-image {
    margin: 0 20px;
    width: 31.25vw;
}

.side-right {
    right: 0;
    width: var(--width-side-right);
}

@media only screen and (max-width: 767px) {
    #content {
        margin-right: auto;
        width: 100%;
    }

    .side {
        display: none;
    }
}