:root {
    --base-color: #FAFAFA;
    --accent-color1: #EF2E57;
    --accent-color2: #EF6D89;
    --link-color: #2577C4;
    --text-color2: #FFFFFF;
    --text-color1: #303030;
}
* {
    margin: 0;
    padding: 0;
}
p, h1, h2, h3, h4, h5, h6, a, button {
    color: var(--text-color1);
    font-family: "Noto Serif JP", serif;
    font-size: clamp(16px, 2vw, 20px);
    font-weight: 500;
}
a {
    color: var(--link-color);
    border-bottom: 1px solid var(--link-color);
    text-decoration: none;
    transition: 0.1s;
}
a:hover {
    opacity: 0.7;
    transition: 0.1s;
}
a:active {
    opacity: 0.7;
    border-bottom: none;
}
.position {
    width: 1200px;
    margin: 0 auto 0 auto;
}


/* -----ヘッダー----- */
.header-area {
    position: absolute;
    top: clamp(20px, 4vw, 30px);
    left: 50%;
    transform: translateX(-50%);
}
.logo-link {
    border-bottom: none;
}
.logo-image {
    width: clamp(180px, 36vw, 250px);
}

/* -----ヒーロービュー----- */
.hero-background {
    background: linear-gradient(
        rgba(0, 0, 0, 0.25),
        rgba(0, 0, 0, 0.25),
        rgba(0, 0, 0, 0.25),
        rgba(0, 0, 0, 0.25),
        rgba(0, 0, 0, 0.25),
        rgba(0, 0, 0, 0.25),
        rgba(248, 180, 195, 1.0)
    ),
    url(../images/img_fv.jpg);
    background-size: cover;
    background-position: center;
}
.hero-position {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}
.subcopy {
    margin: clamp(100px, 22vw, 150px) 0 0 0;
    font-weight: 500;
    writing-mode: vertical-rl;
    text-orientation: upright;
}
.subcopy-text {
    color: var(--text-color2);
    font-size: clamp(1.0rem, 3vw, 1.25rem);
    letter-spacing: 0.25rem;
    filter: drop-shadow(0 0 15px #960020);
}
.subcopy-right {
    margin: 0 0 0 clamp(15px, 3vw, 25px);
}
.maintitle {
    margin: clamp(30px, 6vw, 60px) 0 clamp(40px, 8vw, 75px) 0;
    width: 520px;
    filter: drop-shadow(0 0 15px #960020);
}

/* -----コンテスト----- */
.contest-background {
    background: linear-gradient(
        rgba(248, 180, 195, 1.0),
        rgba(248, 180, 195, 1.0),
        rgba(248, 180, 195, 1.0),
        rgba(248, 180, 195, 1.0),
        rgba(252, 218, 226, 1.0)
    );
}
.contest-block {
    padding: 30px 0;
    background-color: var(--base-color);
    width: 100%;
    border-radius: clamp(40px, 10vw, 120px);
    text-align: center;
}
.contest-title {
    margin: 0 0 20px 0;
    padding: 5px 30px;
    display: inline-block;
    color: var(--text-color2);
    font-size: clamp(1.15rem, 3vw, 1.5rem);
    font-weight: 600;
    background-color: var(--accent-color2);
    border-radius: 25px;
}
.contest-period {
    width: 75%;
    margin: 0 auto;
    padding: 0 0 clamp(5px, 2vw, 20px) 0;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
    border-bottom: 2px solid var(--accent-color2);
}
.contest-period p {
    color: var(--accent-color1);
}
.contest-period-head {
    margin: 0 clamp(10px, 2vw, 15px) 0 0;
    padding: 2px 6px;
    border: 1px solid var(--accent-color1);
}
.contest-period-text span {
    margin: 0 2px;
}
.contest-period-m {
    font-size: clamp(1.15rem, 3vw, 1.5rem);
}
.contest-period-l {
    font-size: clamp(1.5rem, 3vw, 2.0rem);
}
.contest-link {
    margin: clamp(10px, 3vw, 20px) 0 0 0;
}
.contest-link-overview,
.contest-link-result {
    padding: 5px 0;
    font-size: clamp(0.95rem, 2.5vw, 1.15rem);
}
.contest-link-result {
    margin: 0 0 0 clamp(10px, 2.5vw, 40px);
}
.contest-text {
    padding: 20px 0;
    color: var(--text-color2);
    font-weight: 600;
    letter-spacing: 0.1rem;
    text-align: center;
    filter: drop-shadow(0 0 10px #d11551);
}
.contest-text br {
    display: none;
}

/* -----セクション共通----- */
.common-group {
    padding: clamp(100px, 10vw, 120px) 0 clamp(100px, 20vw, 150px) 0;
}
.common-beginning {
    padding: 10px 0;
    display: inline-block;
    color: var(--accent-color1);
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    letter-spacing: 0.15rem;
    border-bottom: 1.5px solid var(--accent-color2);
}
.common-pickup {
    font-size: clamp(1.75rem, 4vw, 2.0rem);
    letter-spacing: 0.2rem;
}
.common-text {
    margin: clamp(30px, 4vw, 40px) 0 0 0;
    line-height: 2.0;
    letter-spacing: 0.1rem;
}

/* -----河津桜紹介セクション----- */
#introduction, #plan {
    position: relative;
}
.introduction-background {
    background: linear-gradient(
        rgba(252, 218, 226, 1.0),
        rgba(255, 245, 247, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0),
        rgba(255, 255, 255, 1.0)
    );
}
.introduction-group {
    padding: 220px 0 clamp(80px, 8vw, 100px) 0;
    display: flex;
    justify-content: space-between;
}
.introduction-content {
    margin: clamp(30px, 3vw, 60px) 0 0 0;
}
/* スライドショー */
.introduction-slide {
    position: relative;
    width: clamp(270px, 38vw, 540px);
    height: clamp(325px, 46vw, 650px);
    border-radius: 10px;
    box-shadow: 0 4px 10px #cc9999;
    overflow: hidden;
}
/* 各画像を重ねて配置 */
.img-frame div {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1);
    transition: opacity 2s ease, transform 6s ease;
}
/* 表示中の画像 */
.introduction-slide,
.img-frame div.active {
    opacity: 1;
    transform: scale(1.04); /* ゆるくズームイン */
}
/* 各画像設定 */
.img-01 { background-image: url("../images/img_1072.jpg"); }
.img-02 { background-image: url("../images/img_1029.jpg"); }
.img-03 { background-image: url("../images/img_1059.jpg"); }

.introduction-kinds {
    padding: 0 0 clamp(100px, 20vw, 150px) 0;
}
.introduction-kinds-content {
    margin: 0 auto clamp(30px, 4vw, 50px) auto;
}
.introduction-kinds-img {
    width: 100%;
}

.decorate {
    position: absolute;
    bottom: -160px;
    right: 0;
    width: 60%;
    z-index: 100;
}

/* -----プランセクション----- */
.plan-background {
    background: linear-gradient(
        rgba(255, 248, 248, 0.95),
        rgba(255, 248, 248, 0.95)
    ),
    url(../images/0022.jpg);
    background-size: cover;
    background-position: center;
}
.plan-card {
    background-color: #FFFFFF;
    border-radius: 10px;
    box-shadow: 0 4px 4px 0 #96002F66;
}
.plan-card-area {
    margin: clamp(40px, 6vw, 80px) 0 0 0;
    display: flex;
    justify-content: space-between;
}
.plan-card-content {
    margin: clamp(25px, 3vw, 30px) clamp(30px, 4vw, 60px) clamp(40px, 5vw, 60px) clamp(30px, 4vw, 60px);
}
.plan-card-beginning {
    padding: 5px 10px;
    color: var(--accent-color2);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.3rem;
    border-bottom: 1px solid var(--accent-color2);
}
.plan-card-text {
    margin: clamp(25px, 3vw, 40px) 0;
    padding: 5px 10px;
    line-height: 2.0;
    letter-spacing: 0.1rem;
}
.plan-card-link {
    margin: 0 10px;
    padding: 7px 0;
    font-size: clamp(1.0rem, 2vw, 1.15rem);
    letter-spacing: 0.1rem;
}
/* 各プラン画像 ↓ */
.daytrip-card-img {
    background: linear-gradient(
        to left,
        rgba(255, 255, 255, 0.0),
        rgba(255, 255, 255, 0.0),
        rgba(255, 255, 255, 1.0)
    ),
    url(../images/16337_0.jpg);
}
.stay-card-img {
    background: linear-gradient(
        to left,
        rgba(255, 255, 255, 0.0),
        rgba(255, 255, 255, 0.0),
        rgba(255, 255, 255, 1.0)
    ),
    url(../images/sub4.jpg);
}
.golf-card-img {
    background: linear-gradient(
        to left,
        rgba(255, 255, 255, 0.0),
        rgba(255, 255, 255, 0.0),
        rgba(255, 255, 255, 1.0)
    ),
    url(../images/WE_08363_2.jpg);
}
/* 各プラン画像 ↑ */
.plan-card-img {
    width: 520px;
    background-size: cover;
    background-position: center;
    border-radius: 10px;
}

/* -----周辺桜スポットセクション----- */
.spots-background {
    background: linear-gradient(
        rgba(245, 244, 250),
        rgba(250, 244, 249),
        rgba(245, 244, 250)
    );
}
.spots-block {
    margin: 50px 0 0 0;
    display: flex;
    justify-content: space-between;
    gap: 80px;
    flex-wrap: wrap;
}
.spots-card {
    padding: 35px;
    background-color: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 4px 4px #00000044;
}
.spots-card-mainimg {
    width: 480px;
    margin: 0 auto 0 auto;
    border-radius: 10px;
}
.spots-card-beginning,
.spots-card-move {
    display: flex;
    align-items: center;
}
.spots-card-beginning {
    padding: 10px 0;
    border-bottom: 1px solid var(--text-color1);
}
.spots-card-move {
    padding: 5px 0;
}
.spots-card-beginning-img,
.spots-card-move-img {
    width: 30px;
    height: fit-content;
}
.spots-card-content {
    max-width: 460px;
    margin: 10px auto 10px auto;
    letter-spacing: 0.1rem;
}
.spots-card-name {
    margin: 0 0 0 4px;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.15rem;
}
.spots-card-move-time {
    margin: 0 0 0 10px;
    font-size: 1.15rem;
}
.spots-card-move-distance {
    margin: 0 0 0 4px;
    font-size: 1.0rem;
}
.spots-card-caption {
    margin: 35px 0;
}
.spots-card-text {
    font-size: 1.0rem;
    line-height: 1.8;
}
.spots-card-link {
    padding: 5px 0;
    font-size: 1.15rem;
    letter-spacing: 0;
}
/* -----クロージング----- */
.closing-background {
    background: linear-gradient(
        rgba(245, 244, 250, 1.0),
        rgba(255, 255, 255, 0.8),
        rgba(255, 255, 255, 0.8),
        rgba(255, 255, 255, 0.8),
        rgba(245, 244, 250, 1.0)
    ),
    url(../images/img_1080.jpg);
    background-size: cover;
    background-position: center;
}
.closing-position {
    padding: 300px 0;
    display: flex;
    justify-content: center;
}
.closing-content {
    writing-mode: vertical-rl;
    letter-spacing: 0.15rem;
}
.closing-text {
    font-size: clamp(1.15rem, 3vw, 1.5rem);
    font-weight: 500;
    filter: drop-shadow(0 0 10px var(--text-color2));
    line-height: 3.0;
}

/* -----フッター----- */
footer a {
    border-bottom: none;
}
.footer-background {
    background-color: rgba(245, 244, 250, 1.0);
}
.contact-content-btn {
    padding: 20px 0;
    text-align: center;
}
.contact-content-link {
    padding: 5px 0;
    font-size: clamp(1.15rem, 3vw, 1.5rem);
    border-bottom: 1px solid var(--link-color);
}
.contact-content-tel {
    padding: 30px 0 30px 0;
}
.contact-content-tel-text {
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    line-height: 1.8;
}
.contact-content-tel-text-l {
    font-size: 1.15rem;
}
.contact-content-tel-text br {
    display: none;
}
.contact-content-tel-unit {
    display: flex;
    justify-content: center;
    align-items: center;
}
.contact-content-tel-icon {
    width: clamp(2.5rem, 8vw, 2.8rem);
}
.contact-content-tel-number {
    font-size: clamp(2.375rem, 8vw, 3.0rem);
    font-weight: bold;
}

.footer-position {
    padding: clamp(30px, 6vw, 60px) 0;
    text-align: center;
}
.footer-logo {
    width: clamp(180px, 36vw, 250px);
}
.sns-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: clamp(20px, 4vw, 40px) 0 0 0;
}
.sns-icon-link:active,
.footer-logo-link:active {
    filter: none;
}
.i-icon-link,
.y-icon-link {
    margin: 0 0 0 50px;
}
.x-icon {
    width: 25px;
}
.i-icon {
    width: 30px;
}
.y-icon {
    width: 40px;
}
.footerNo3 {
    padding: 10px 0;
    border-top: 1px solid #7D7D7D;
}
.footer-unit {
    display: flex;
    flex-direction: column-reverse;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}
.footer-nav-unit {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 5px 20px;
}
.footer-nav-item {
    list-style: none;
}
.copyright,
.footer-nav-item-link {
    font-size: clamp(0.8rem, 2vw, 0.95rem);
}
.footer-nav-item-link {
    color: var(--text-color1);
    font-weight: 500;
}


@media screen and (max-width:1280px) {
    .position {
        width: 90%;
    }

    /* -----コンテスト----- */
    .contest-position {
        width: 95%;
    }

    /* -----プランセクション----- */
    .plan-card-img {        
        width: clamp(300px, 50vw, 520px);
    }

    .decorate {
        bottom: -80px;
    }

    /* -----周辺桜スポットセクション----- */
    .spots-block {
        justify-content: center;
    }
    .spots-card-mainimg {
        width: clamp(480px, 70vw, 640px);
    }

    /* -----クロージング----- */
    .closing-position {
        padding: clamp(150px, 20vw, 300px) 0;
    }
}

@media screen and (max-width:768px) {
    /* -----ヒーロービュー----- */
    .maintitle {
        width: clamp(320px, 70vw, 520px);
    }

    /* -----コンテスト----- */
    .contest-text {
        line-height: 2.0;
    }
    .contest-text br {
        display: block;
    }

    /* -----セクション共通----- */
    .common-group {
        display: block;
    }
    .common-content {
        width: 90%;
        margin: 0 auto 60px auto;
    }
    .common-beginning {
        margin: 0 0 clamp(10px, 2vw, 40px) 0;
    }
    .common-text {
        margin: 20px auto 0 auto;
    }

    /* -----河津桜紹介セクション----- */
    .introduction-group {
        padding: 120px 0 60px 0;
        display: flex;
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    .introduction-slide {
        width: 90%;
        height: 100vw;
    }
    .introduction-kinds-content {
        margin: 0 auto 30px auto;
    }

    /* -----プランセクション----- */
    .plan-content {
        margin: 0 auto 0 auto;
    }
    .plan-card-area {
        justify-content: center;
        flex-direction: column;
    }
    /* 各プラン画像 */
    .daytrip-card-img {
        background: linear-gradient(
            to top,
            rgba(255, 255, 255, 0.0),
            rgba(255, 255, 255, 0.0),
            rgba(255, 255, 255, 1.0)
        ),
        url(../images/16337_0.jpg);
    }
    .stay-card-img {
        background: linear-gradient(
            to top,
            rgba(255, 255, 255, 0.0),
            rgba(255, 255, 255, 0.0),
            rgba(255, 255, 255, 1.0)
        ),
        url(../images/sub4.jpg);
    }
    .golf-card-img {
        background: linear-gradient(
            to top,
            rgba(255, 255, 255, 0.0),
            rgba(255, 255, 255, 0.0),
            rgba(255, 255, 255, 1.0)
        ),
        url(../images/WE_08363_2.jpg);
    }
    .plan-card-img {
        width: 100%;
        height: clamp(30vh, 50vw, 40vh);
        background-size: cover;
        background-position: center;
        border-radius: 10px;
    }

    .decorate {
        width: 100%;
        bottom: -3%;
        left: 50%;
        transform: translateX(-50%);
    }
    


    .spots-card-mainimg {
        width: 100%;
    }

    /* -----フッター----- */
    .contact-content-tel-text br {
        display: block;
    }

}

@media screen and (max-width:480px) {
    p, h1, h2, h3, h4, h5, h6, a, button {
        font-size: 14px;
    }
    .position {
        width: 90%;
        margin: 0 auto 0 auto;
    }

    /* -----コンテスト----- */
    .contest-block {
        padding: 20px 0;
    }
    .contest-title {
        padding: 5px clamp(15px, 4vw, 30px);
    }
    .contest-period {
        width: 80%;
        display: inline-block;
    }
    .contest-period-head {
        margin: 0 0 5px 0;
        display: inline-block;
    }
    .contest-link-overview,
    .contest-link-result {
        width: fit-content;
        margin: 0 auto;
        display: flex;
        justify-content: center;
        flex-direction: column;
    }
    .contest-link-result {
        margin: 10px auto 0 auto;
    }

    /* -----セクション共通----- */
    .common-pickup {
        font-size: 1.5rem;
    }
    .common-beginning {
        font-size: 1.15rem;
    }
    .common-text br {
        display: none;
    }

    /* -----河津桜紹介セクション----- */
    .introduction-pickup {
        margin: 5px 0 0 0;
        display: block;
    }
    /* -----プランセクション----- */
    .plan-card-link {
        padding: 5px 0;
        font-size: 0.9rem;
    }
    #plan .decorate {
        bottom: -2%;
    }

    /* -----周辺桜スポットセクション----- */
    .spots-block {
        gap: 50px;
    }
    .spots-card {
        padding: 25px;
    }
    .spots-card-beginning-img,
    .spots-card-move-img {
        width: 25px;
    }
    .spots-card-name {
        font-size: 1.25rem;
    }
    .spots-card-move-time {
        font-size: 1.0rem;
    }
    .spots-card-move-distance {
        font-size: 0.9rem;
    }
    .spots-card-caption {
        margin: 20px 0;
    }
    .spots-card-text {
        font-size: 0.9rem;
    }
    .spots-card-link {
        font-size: 0.9rem;
    }
}