/* -----------------------
BUTTON / LINK
-------------------------- */
.circle-button {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    background-color: #179745;
    border-radius: 50%;
    overflow: hidden;
    text-decoration: none;
}
.circle-border {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-45deg);
}
.circle-border circle {
    fill: none;
    stroke: #179745;
    stroke-width: 1;
    stroke-dasharray: 300;
    stroke-dashoffset: 300;
    transition: stroke-dashoffset 0.6s ease;
}
.circle-button__arrow {
    color: #fff;
    transition: transform 0.3s ease, color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circle-button:hover,
.products_slider li:hover .circle-button,
.topics_slider li:hover .circle-button {
    background-color: transparent;
}
.circle-button:hover .circle-border circle,
.products_slider li:hover .circle-button .circle-border circle,
.topics_slider li:hover .circle-button .circle-border circle {
    stroke-dashoffset: 0;
}
.circle-button:hover .circle-button__arrow,
.products_slider li:hover .circle-button .circle-button__arrow,
.topics_slider li:hover .circle-button .circle-button__arrow {
    color: #179745;
    transform: translateX(80%);
}
/* PER-ITEM */
.circle-button--concept,
.circle-button--products {
    width: 5.6rem;
    height: 5.6rem;
}
.circle-button--concept .circle-button__arrow {
    font-size: 1.5rem;
}
.circle-button--concept {
    margin: 1.8rem 0 0 !important;
}
.circle-button--products {
    transition: all 0.3s ease;
}
.circle-button--products:hover {
    color: #179745;
}

.circle-button--slider {
    position: absolute;
    bottom: .7rem;
    right: .7rem;
    width: 2.8rem;
    height: 2.8rem;
}
.circle-button--slider .circle-button__arrow {
    font-size: 1rem;
}

/* -----------------------
HEADDING
-------------------------- */
.section__title {
    position: relative;
    font-size: clamp(32px, 3vw, 48px);
    font-weight: 800;
    text-align: center;
    line-height: 1em;
    z-index: 1;
}
.section__copy {
    font-size: clamp(24px, 2vw, 32px);
    font-weight: 600;
}
.section__subcopy {
    font-weight: 500;
}


/* -----------------------
HERO
-------------------------- */
.hero_slider {
    position: relative;
    width: 100%;
    height: 100vh;
    opacity: 0;
    transition: opacity 0.5s ease;
}
.hero_slider .swiper-wrapper,
.hero_slider .swiper-slide {
    width: 100%;
    height: 100%;
}
.hero_slider .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero__content {
    position: absolute;
    top: 33%;
    left: 0;
    transform: translateY(-33%);
    width: 100%;
    height: auto;
    z-index: 2;
}
.hero__title,
.hero__lead {
    color: #fff;
}
.hero__title {
    font-size: clamp(40px, 4.5vw, 72px);
    font-weight: 900;
    line-height: 1.6em;
}
.hero__lead {
    font-size: clamp(16px, 1.8vw, 18px);
    margin-top: 2rem;
    font-weight: 600;
    line-height: 1.8em;
    letter-spacing: 1px;
}

/* SCROLL INDICATOR */
.scroll-indicator {
    position: absolute;
    bottom: 0;
    right: 2rem;
    width: 16rem;
    height: 16rem;
    z-index: 980;
}
.spinner {
    width: 100%;
    height: 100%;
    animation: spinnerRotate 20s linear infinite;
    transform-origin: center;
}
.path {
    stroke: #00ae00;
    stroke-dasharray: 228; /* 円周の長さ（2πr = 約188） */
    stroke-dashoffset: 0;
    animation: spinnerDash 20s ease-in-out infinite;
    transform-origin: center;
}
.scroll-arrow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: arrowBounce 4s ease-in-out infinite;
}
.scroll-arrow svg {
    width: 1rem;
    height: 13rem;
}
@keyframes spinnerRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
@keyframes spinnerDash {
    0% {
        stroke-dashoffset: 228;
    }
    50% {
        stroke-dashoffset: 47;
        transform: rotate(135deg);
    }
    100% {
        stroke-dashoffset: 228;
        transform: rotate(450deg);
    }
}
@keyframes arrowBounce {
    0%   { transform: translate(-50%, -60%); opacity: 1; }
    25%  { transform: translate(-50%, -48%); opacity: 1; }
    75%  { transform: translate(-50%, -48%); opacity: 1; }
    100% { transform: translate(-50%, -20%); opacity: 0; }
}

/* HERO COPY */
.hero__content-copy {
    position: relative;
    width: 100vw;
    margin-top: -2rem;
    z-index: 1;
    overflow: hidden;
}
.hero__copy-group {
    position: relative;
    width: 100%;
}
.hero__copy {
    display: block;
    color: #efefef;
    color: rgba(223, 223, 223, 0.5);
    font-size: clamp(82px, 6.75vw, 108px);
    font-weight: 700;
    line-height: 1em;
    letter-spacing: .2rem;
    white-space: nowrap;
}
.hero__copy--top {
    padding-left: 2rem;
    /*animation: marqueeTop 40s linear infinite;*/
}
.hero__copy--bottom {
    padding-right: 1rem;
    text-align: right;
    /*animation: marqueeBottom 42s linear infinite;*/
}
@keyframes marqueeTop {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}
@keyframes marqueeBottom {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

/* TOP CONCEPT */
.section-concept {
    position: relative;
    margin-bottom: 11rem;
    padding: 3rem 0 16rem;
    background-image: url(../img/top/top-concept.png);
    background-position: bottom right;
    background-size: 92%;
    background-repeat: no-repeat;
}
.section-concept .section__copy {
    margin: 5.3rem 0 2.6rem;
}
.section-concept .section__subcopy {
    line-height: 2.4em;
}
.section-concept img {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 90%;
    margin-left: auto;
}

/* TOP PRODUCTS */
.section-products {
    position: relative;
    padding: 8rem 0;
    background-image: url(../img/top/top-products-bg.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;;
}

.search-form--products {
    display: flex;
    align-items: center; /* 縦中央揃え */
    margin: 3rem 0 1rem;
}

.search__keyword--products {
    width: calc(100% - 100px);
    height: 52px;
    padding: 0 1rem;
    box-sizing: border-box;
    border: 1px solid #ccc;
}
.search-button--products {
    width: 96px;
    height: 52px;
    margin: 0;
    padding: 0;
    background-color: #179745;
    border: solid 1px #179745;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .5s;
}
.search-button--products .material-icons {
    font-size: 24px !important;
    transition: all .5s;
}
.search-button--products:hover {
    color: #179745;
    background-color: #fff;
}
.search-button--products:hover .material-icons {
    transform: scale(1.2);
}

.list__products-tag {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 3rem;
}
.list__products-tag li {
    padding: 0 .2rem;
}
.list__products-tag a {
    display: block;
    padding: 0 .7rem !important;
    font-size: 0.875rem;
    background-color: #e9e9e9;
    border-radius: 9rem;
    transition: all 0.3s ease;
}
.list__products-tag a:hover {
    opacity: .7;
}

.list__products-category {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: calc(100% - 6.9rem);
    margin-bottom: 3rem;
    font-size: .875rem;
    background-color: #fff;
    border-top: solid 1px #545454;
    border-left: solid 1px #545454;
}
.list__products-category li {
    position: relative;
    width: calc(100% / 4);
    padding: .7rem;
    line-height: 1.2em;
    box-sizing: border-box;
    border-right: solid 1px #545454;
    border-bottom: solid 1px #545454;
    transition: all .5s ease;
}
.list__products-category li a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.list__products-category li:hover {
    color: #fff;
    background-color: #179745;
}
.list__products-category li span {
    position: absolute;
    top: 53%;
    right: .7rem;
    font-size: 1.1rem;
    transform: translateY(-50%);
}

.products_slider {
    position: relative;
    padding: 0 0 5rem;
}
.products_slider .swiper-wrapper {
    align-items: stretch;
}
.products_slider .swiper-slide {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: auto;
    display: flex;
    flex-direction: column;
}
.products_slider li {
    position: relative;
    padding: 1rem 1rem 3.6rem;
    word-break: break-word;
    overflow-wrap: break-word;
    background-color: #fff;
    border: solid #999999;
    border-width: 1px 1px 1px 0;
    transition: .3s;
}
.products_slider li img {
    display: block;
    width: 80%;
    height: 160px;
    object-fit: contain;
    flex-shrink: 0;
    margin: 0 auto;
    padding: 1rem 0 2rem;
}
.products_slider li h3 {
    padding: 1rem 0;
    text-align: center;
    border-top: solid 1px #999999;
}
.products_slider li p {
    font-size: 0.875rem;
    line-height: 1.4em;
}
.products_slider li:last-child {
    border-right: none;
}
.products_slider li a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.products_slider li:hover {
    opacity: .8;
}

.section-products .swiper-button-next,
.section-products .swiper-button-prev {
    position: absolute;
    top: auto;
    bottom: 0;
    width: 40px;
    height: 40px;
    color: #4f4f4f;
    background-color: #e9e9e9;
    border: solid 1px #4f4f4f;
    border-radius: 9rem;
    transition: transform 0.3s ease;
}
.section-products .swiper-button-next {
    right: calc(10% - 40px);
}
.section-products .swiper-button-prev {
    left: auto;
    right: calc(10% + 10px);
}
.section-products .swiper-button-next .material-icons,
.section-products .swiper-button-prev .material-icons {
    font-size: 1.2rem;
}
.section-products .swiper-button-next::after,
.section-products .swiper-button-prev::after {
    display: none;
}
.section-products .swiper-button-prev:hover,
.section-products .swiper-button-next:hover {
    opacity: .7;
    transform: scale(1.1);
}
.section-products .swiper-pagination {
    position: absolute;
    top: auto;
    bottom: 20px;
    left: 10%;
    width: calc(100% - (20% + 100px));
    height: 4px;
    background: #4f4f4f;
    margin-top: 20px;
}
.section-products .swiper-pagination-progressbar-fill {
    background: #02ee00;
}

/* TOP TOPICS */
.section-topics {
    position: relative;
    padding: 8rem 0 13rem;
}

.section-topics__bg-top {
    position: absolute;
    top: 3%;
    right: 0;
    width: 300px;
    height: 400px;
    background-image: url(../img/top/top-topics-bg-top.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    z-index: -1;
}
.section-topics__bg-botttom {
    position: absolute;
    bottom: -3%;
    left: 2%;
    width: 300px;
    height: 400px;
    background-image: url(../img/top/top-topics-bg-bottom.png);
    background-size: 100% 100%;
    background-repeat: no-repeat;
    z-index: -1;
}

.section__title--topics {
    display: block;
    position: absolute;
    top: -20%;
    left: 42%;
    transform: translate(-50%,-50%);
    width: 5rem;
    height: 5rem;
    border: solid 1px #00ae00;
    border-radius: 9rem;
    z-index: -1;
}
.list__topics-category {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    width: 50%;
    margin: 3rem auto;
    font-size: .875rem;
    background-color: #fff;
    border-top: solid 1px #545454;
    border-left: solid 1px #545454;
}
.list__topics-category li {
    position: relative;
    width: calc(100% / 4);
    padding: .7rem;
    text-align: center;
    line-height: 1.2em;
    box-sizing: border-box;
    border-right: solid 1px #545454;
    border-bottom: solid 1px #545454;
    transition: all .5s ease;
}
.list__topics-category li a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.list__topics-category li:hover {
    color: #fff;
    background-color: #179745;
}
.list__topics-category li span {
    position: absolute;
    top: 53%;
    right: .7rem;
    font-size: 1.1rem;
    transform: translateY(-50%);
}

.topics_slider {
    position: relative;
}
.topics_slider .swiper-wrapper {
    align-items: stretch;
}
.topics_slider .swiper-slide {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    height: auto;
    display: flex;
    flex-direction: column;
}
.topics_slider li {
    position: relative;
    padding: 1rem 1rem 3.6rem;
    word-break: break-word;
    overflow-wrap: break-word;
    background-color: #fff;
    border: solid #999999;
    border-width: 1px 1px 1px 0;
}
.topics_slider li a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.topics_slider li:hover {
    opacity: .8;
}
.topics_slider li:last-child {
    border-right: none;
}
.topics_slider li img {
    display: block;
    width: 80%;
    height: 200px;
    object-fit: contain;
    flex-shrink: 0;
    margin: 0 auto;
    padding: 1rem 0 2rem;
}
.topics_slider li p {
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5em;
    font-weight: 400 !important;
}
.topics__date {
    margin: .2rem 0 .5rem;
    font-size: 0.875rem;
    font-weight: 400 !important;
}
.topics_slider dl {
    padding: .5rem 0 0;
    border-top: solid 1px #999999;
}
.topics_slider dd {
    display: inline-block;
    padding: 0 .3rem; 
    color: #fff;
    font-size: 12px;
    background-color: #179745;
    border-right: solid 2px #fff;
}

/* TOPICS LIST */
.topics_list li {
    position: relative;
    margin-top: 2rem;
    padding: 0 0 4rem;
}
.topics_list li:first-child {
    margin-top: 0;
}
.topics__meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.topics__meta dl {
    display: flex;
}
.topics__meta dd {
    display: inline-block;
    padding: 0 .3rem !important;
    color: #fff;
    font-size: 0.875rem;
    background-color: #179745;
    margin-right: 0.3rem;
}
.topics__meta dd a {
    color: #fff;
}
.topics__meta--date {
    font-size: 0.875rem;
    font-weight: 400 !important;
    padding: 1rem 0 !important;
}

.topics__button {
    position: absolute;
    bottom: 0;
    right: 0;
}

/* PRODUCTS LIST */
.products_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: stretch;
    gap: 1.4rem;
}
.products_list li {
    position: relative;
    width: calc((100% - 2.8rem) / 3);
    padding: 0 1rem 4.6rem;
    background-color: #fff;
    border: solid 1px #B0B0B0;
    box-sizing: border-box;
}
.products_list li a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.products_list li img {
    display: block;
    width: 100%;
    height: 180px;
    padding: 1rem;
    object-fit: contain;
}
.products_list--title {
    padding: .7rem 0;
    color: #179745;
    font-weight: 600;
    text-align: center;
    border-top: solid 1px #B0B0B0;
}
.products_list--text {
    width: 95%;
    margin: 0 auto;
    font-size: .875rem;
    line-height: 1.5em;
}

.products_list li .stair-button__wrapper {
    position: absolute;
    bottom: 0;
    right: 0;
}
.products_list dl {
    position: absolute;
    top: 0;
    right: 0;
 }
.products_list dd {
    display: inline-block;
    padding: .3rem 1rem .4rem; 
    background-color: #4CC74B;
}
.products_list dd a {
    position: static;
    color: #fff;
}


/* NSPCOM LIST */
.nspcom_list li {
    position: relative;
    margin-top: 2rem;
    padding: 1rem;
    border: solid 1px #B0B0B0;
}
.nspcom_list li:first-child {
    margin-top: 0;
}
.nspcom_list li a {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.nspcom_list li .stair-button__wrapper {
    position: absolute;
    bottom: 0;
    right: 0;
}
.nspcom__meta--date {
    padding: 2rem 0 1.4rem !important;
    font-size: 0.875rem;
    font-weight: 400 !important;
    line-height: 0;
}
.nspcom__inner {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    flex-wrap: wrap;
}
.nspcom__image img {
    width: 180px;
    height: auto;
    display: block;
}
.nspcom__content {
    flex: 1;
    min-width: 200px;
}

/* SITE MAP */
.sitemap_list {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3カラム */
    gap: 1.4rem;
    list-style: none;
    padding: 0;
    margin: 0;
}
.sitemap_list li {
    padding: 0;
}
.sitemap_list--title {
    padding: .7rem 0;
    color: #179745;
    font-weight: 600;
}
.sitemap_list--text {
    width: 95%;
    margin: 0 auto;
    font-size: .875rem;
    line-height: 1.5em;
}
.sitemap_list .page__subheading a {
    color: #179745;
}