:root {
    --font_family_en: "futura-100", sans-serif;
    --font_family_en_serif: "novantique-serif", serif;
    --font_family_jp_h: "Shippori Mincho", serif;
    --font_family_jp_p: "Noto Sans JP", sans-serif;
    --font_size_01: calc(10 * (100vw / 375));
    --color_bg: #EBDBFF;
    --color_object: #1C1A3F;
    --border_size: 2px;
    --transition_common: all 1.5s;
    --gap: 0.5em;
    --clm_num: 2;
    --clm_num_multiple: calc(var(--clm_num) - 1);
    --list_item_size: calc((100% / var(--clm_num)) - (var(--gap) / var(--clm_num)));
}

#feature_contents {
    font-family: var(--font_family_jp_p);
    font-size: var(--font_size_01);
    font-weight: 400;
    font-style: normal;
    line-height: 1;
    text-transform: uppercase;
    color: #000;
    position: relative;
}

#feature_contents img {
    width: 100%;
}

#feature_contents a {
    display: block;
}

#feature_contents div {
    box-sizing: border-box;
}

#feature_contents .btn {
    height: 3.9em;
    margin: 0 2.8em;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background-color: var(--color_object);
}

#feature_contents .btn span {
    font-family: var(--font_family_en_serif);
    font-size: 1.6em;
    font-weight: 500;
}

/* fv */
#feature_contents .fv {
    padding: 19.6em 0 5.6em;
    position: relative;
}

#feature_contents .fv .visual .img_box {
    --fv_gap: 1.75em;
    --fv_img_pad: 6.2em;
    width: 100%;
    position: relative;
}

#feature_contents .fv .visual .img_box::before {
    --fv_bg_tb: 3.6em;
    --fv_bg_lr: 1.0em;
    content: "";
    top: var(--fv_bg_tb);
    left: var(--fv_bg_lr);
    right: var(--fv_bg_lr);
    bottom: var(--fv_bg_tb);
    position: absolute;
    display: block;
    background-color: var(--color_bg);
}

#feature_contents .fv .visual .img_box li {
    width: calc(50% + var(--fv_gap));
    padding: 0 0 var(--fv_img_pad);
    box-sizing: border-box;
    position: relative;
    z-index: 5;
}

#feature_contents .fv .visual .img_box li:last-child {
    padding: var(--fv_img_pad) 0 0;
    right: 0;
    bottom: 0;
    position: absolute;
    z-index: 10;
}

#feature_contents .fv .visual .img_box li:nth-child(2) {
    transition-delay: 0.1s;
}

#feature_contents .fv .visual .img_box li:nth-child(3) {
    transition-delay: 0.2s;
}

#feature_contents .fv .visual .sub_box {
    width: 29.5em;
    padding: 1.6em 0;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    position: absolute;
    z-index: 10;
}

/* #feature_contents .fv .visual .sub_box>div {
    transition-delay: 0.4s;
} */

#feature_contents .fv .text_box {
    padding: 4em 2em 0;
    display: flex;
    flex-direction: column;
    gap: 4em;
}

#feature_contents .fv .text_box p {
    margin: -0.5em 0;
    font-size: 1.2em;
    line-height: 2;
    text-align: center;
}

/* style_list */
#feature_contents .style_list {
    counter-reset: number 0;
    display: flex;
    flex-direction: column;
    gap: 6.4em;
}

/* style_title */
#feature_contents .style_title h3 {
    --padd_child: 0.3em;
    padding: 0em 2em 2.4em;
    position: relative;
    font-family: var(--font_family_jp_h);
    font-weight: 400;
    color: var(--color_object);
}

#feature_contents .style_title h3::before {
    counter-increment: number 1;
    content: "#" counter(number, decimal-leading-zero);
    padding-bottom: 0.45em;
    font-family: var(--font_family_en_serif);
    font-size: 5.6em;
    font-weight: 300;
    font-style: italic;
    display: block;
}

#feature_contents .style_title h3 strong {
    padding: 0em 0.2em 0.1em 0.3em;
    font-size: 2.4em;
    font-weight: 400;
    border: solid 1px var(--color_object);
}

#feature_contents .style_title h3 span {
    padding-top: 1.5em;
    font-size: 1.8em;
    display: block;
}

/* img_box */
#feature_contents .style_sec .img_box {
    --style_img_padd: 5.5em;
    padding: 0 0 2.4em;
    position: relative;
    z-index: 10;
}

#feature_contents .style_sec:nth-child(2n-1) .img_box {
    padding-left: var(--style_img_padd);
}

#feature_contents .style_sec:nth-child(2n) .img_box {
    padding-right: var(--style_img_padd);
}

#feature_contents .style_sec .img_box.main_img {
    padding: 2em 2em 2.4em;
}

#feature_contents .style_sec .img_box.main_img::before {
    content: "";
    width: 32.5em;
    height: 16em;
    top: 0;
    position: absolute;
    display: block;
    background-color: var(--color_bg);
    z-index: -1;
}

#feature_contents .style_sec:nth-child(2n-1) .img_box.main_img::before {
    left: 0;
}

#feature_contents .style_sec:nth-child(2n) .img_box.main_img::before {
    right: 0;
}

/* text_box */
#feature_contents .style_sec .text_box {
    padding: 0 2em 4em;
    display: flex;
    flex-direction: column;
    gap: 2.4em;
}

#feature_contents .style_sec .text_box h4,
#feature_contents .style_sec .text_box p {
    margin: -0.5em 0;
}

#feature_contents .style_sec .text_box h4 {
    margin: -0.2em 0;
    font-family: var(--font_family_jp_h);
    font-size: 1.8em;
    font-weight: 400;
    line-height: 2;
}

#feature_contents .style_sec .text_box p {
    font-size: 1.4em;
    line-height: 2;
}

/* credit */
#feature_contents .f_sec_credit {
    padding: 0 4.0em 3.2em;
    display: flex;
    flex-wrap: wrap;
    flex-direction: column;
    gap: 1.9em;
}

#feature_contents .f_sec_credit li a {
    font-size: 1.2em;
    text-decoration: underline;
}

#feature_contents .f_sec_credit li>span {
    font-size: 1.2em;
    color: #202020;
    text-transform: initial;
}

/* recommend */
#feature_contents .recommend {
    margin-top: 6.4em;
    padding: 4.0em 0;
    background-color: #fff;
    border: solid 1px var(--color_object);
}

#feature_contents .recommend h5 {
    font-family: var(--font_family_en_serif);
    font-size: 3.2em;
    font-weight: 300;
    text-align: center;
    color: var(--color_object);
}

#feature_contents .recommend h5 span {
    padding-top: 0.5em;
    font-family: var(--font_family_jp_p);
    font-size: 0.5em;
    font-weight: 400;
    line-height: 1.4;
    display: block;
}

#feature_contents .recommend .list_search-result {
    padding: 3.2em 1em;
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    gap: var(--gap);
}

#feature_contents .recommend .list_search-result .block_item {
    width: calc(var(--list_item_size) - 1px);
    padding: 0;
}

/* btn_box */
#feature_contents .btn_box ul {
    padding: 8.0em 0;
    display: flex;
    flex-direction: column;
    gap: 2.4em;
}

/* other_feature */
#feature_contents .other_feature>div {
    padding: 0 1em 8.0em;
}

#feature_contents .other_feature h5 {
    margin: 0 0 1.5em;
    padding-bottom: 1.5em;
    font-size: 1.6em;
    font-weight: 400;
    line-height: 1;
    text-align: center;
    /* color: #fff; */
    border-bottom: solid var(--border_size) #707070;
}

#feature_contents .other_feature h5 strong {
    padding-bottom: 0.6em;
    font-family: var(--font_family_en_serif);
    font-size: 1.14em;
    font-weight: 500;
    text-transform: capitalize;
    display: block;
}

#feature_contents .other_feature ul {
    padding: 2.4em var(--padd_H_01);
    display: flex;
    flex-wrap: wrap;
    gap: var(--gap);
}

#feature_contents .other_feature ul li {
    width: var(--list_item_size);
}

#feature_contents .other_feature .btn {
    margin: 2.4em 1.8em 0;
    font-family: var(--font_family_jp_p);
}

#feature_contents .staff {
    padding-bottom: 8.0em;
    font-family: var(--font_family_en_serif);
    font-size: 1.2em;
    font-weight: 500;
    line-height: 1.9;
    text-align: center;
}

#feature_contents .staff strong {
    padding-bottom: 1.3em;
    font-size: 1.5em;
    font-weight: 500;
    line-height: 1;
    display: block;
}

#feature_contents .staff .f_sns {
    padding-bottom: 8.0em;
    font-size: var(--font_size_01);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 4.0em;
}

#feature_contents .staff .f_sns a {
    --sns_icon_size: 3.6em;
    width: var(--sns_icon_size);
    height: auto;
}

#feature_contents .staff .f_staff_desc {
    text-transform: capitalize;
}

/* fade_in */
#feature_contents .fade_in {
    position: relative;
    opacity: 0;
    -webkit-transform: translateY(var(--padd_H_04));
    transform: translateY(var(--padd_H_04));
    -webkit-transition: var(--transition_common);
    transition: var(--transition_common);
}