main {
    margin-bottom: 120px;
}
@media screen and (max-width: 767px) {
    main {
        margin-bottom: 55px;
    }
}
section {
    max-width: 1250px;
    margin: 0 auto;
}
@media screen and (max-width: 1310px) {
    section:not(#page_title) {
        padding-left: 3%;
        padding-right: 3%;
    }
}
h2, h3, h4 {
    letter-spacing: .14em;
}

/* #page_title
---------------------------------------- */
@media screen and (min-width: 1271px) {
    #page_title {
        /*padding-top: 20px;*/
    }
}
.page_title_container {
    display: flex;
}
.page_title_text {
    width: 37.6%;
    background: #000;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 25px;
}
.page_title_text h2 {
    font-size: 24px;
    font-weight: 600;
    text-align: center;
}
.page_title_text span:not(.kyotech_group):not(.en_font) {
    display: inline-block;
}
.kyotech_group {
    display: block;
    font-size: 12px;
    margin-bottom: 15px;
}
.en_font {
    display: block;
    margin-top: 15px;
    font-size: 18px;
    font-family: futura-pt, sans-serif;
    font-weight: 300;
    font-style: normal;
}
.page_title_image {
    width: 62.4%;
}
.page_title_image img {
    display: block;
    width: 100%;
}
@media screen and (min-width: 801px) {
    .page_title_container {
        height: 400px;
    }
    .page_title_image img {
        height: 100%;
        object-fit: cover;
    }
}
@media screen and (max-width: 800px) {
    .page_title_container {
        aspect-ratio: 1 / 1;
        position: relative;
    }
    .page_title_text,
    .page_title_image {
        width: 100%;
        position: absolute;
    }
    .page_title_text {
        align-items: flex-start;
        aspect-ratio: 2 / .6;
        padding: 30px 40px;
        bottom: 0;
        z-index: 1;
    }
    .page_title_text h2 {
        text-align: left;
    }
    .kyotech_group {
        margin-bottom: 5px;
    }
    .en_font {
        margin-top: 5px;
    }
    .page_title_image {
        top: 0;
    }
}
@media screen and (max-width: 767px) {
    .page_title_text h2 {
        font-size: clamp(17px, 4vw, 20px);
    }
}
@media screen and (max-width: 520px) {
    .en_font {
        line-height: 1.5;
    }
}
@media screen and (max-width: 450px) {
    .page_title_text {
        padding: 20px 40px;
    }
    .en_font {
        font-size: 16px;
    }
}
@media screen and (max-width: 414px) {
    .page_title_text {
        padding: 20px 30px;
    }
}

/* #bcp_case
---------------------------------------- */
#bcp_detail {
    margin-top: 25px;
}
#bcp_detail > div {
    padding: 25px 0;
    border-top: 3px solid #DBD8D4;
}
@media screen and (max-width: 767px) {
    #bcp_detail > div {
        padding: 25px 3%;
    }
}
h3 {
    font-size: 1.8rem;
    font-weight: 600;
    font-family: "ヒラギノ明朝 Pro W3", "Hiragino Mincho Pro", HG明朝E, "ＭＳ Ｐ明朝", "MS PMincho", serif;
    padding-left: 4.3rem;
    margin-bottom: 20px;
    position: relative;
}
@media screen and (max-width: 767px) {
    h3 {
        margin-bottom: 15px;
    }
}
h3::before {
    content: "";
    display: inline-block;
    width: 2.8rem;
    height: 2.8rem;
    background: url(../../images/common/icons/arrow/ContentsSubtitleArrow.svg);
    position: absolute;
    top: .2rem;
    bottom: 0;
    left: 0;
}

/* #bcp_greeting */
@media screen and (min-width: 1081px) {
    #bcp_greeting p {
        width: 88.8%;
        margin: 0 auto;
    }
}
.signature {
    text-align: right;
    margin-top: 1em;
}
.signature span {
    display: inline-block;
}

/* #bcp_case */
.case_container {
    margin-top: 25px;
    border: solid #DBD8D4;
    border-width: 1px 0 0 1px;
    display: grid;
    grid-template-columns: 1fr 1fr;
}
@media screen and (max-width: 800px) {
    .case_container {
        display: block;
    }
}
.case_contents {
    border: solid #DBD8D4;
    border-width: 0 1px 1px 0;
    padding: 1.56em 1.75em;
}
h4 {
    font-weight: 600;
    margin-bottom: 5px;
}
.case_contents p {
    font-size: 1.5rem;
}
@media screen and (min-width: 1081px) {
    #bcp_case > p {
        padding-left: 43px;
    }
}
@media screen and (max-width: 767px) {
    .case_contents p {
        font-size: 1.4rem;
    }
}