@font-face {
    font-family: 'BoseText-Regular';
    src: url('../fonts/BoseText/BoseText-Regular.otf') format('opentype');
}

@font-face {
    font-family: 'BoseText-SemiBold';
    src: url('../fonts/BoseText/BoseText-SemiBold.otf') format('opentype');
}

@font-face {
    font-family: 'NotoSansJp-Regular';
    src: url('../fonts/NotoSansJp/NotoSansJP-Regular.ttf') format('truetype');
}

@font-face {
    font-family: 'NotoSansJp-Bold';
    src: url('../fonts/NotoSansJp/NotoSansJP-Bold.ttf') format('truetype');
}

@font-face {
    font-family: 'NotoSansJp-SemiBold';
    src: url('../fonts/NotoSansJp/NotoSansJP-SemiBold.ttf') format('truetype');
}

/* 基本リセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'BoseText-Regular', 'NotoSansJp-Regular', sans-serif;
    font-size: 14px;
    line-height: 170%;
    color: #000000;
}

@media screen and (min-width: 769px) {
    body {
        font-size: 16px;
    }
}



ul {
    padding: 0;
    margin: 0;
    list-style: none;
}

/* PC専用改行表示制御 */
.pc-only {
    display: none;
}
@media screen and (min-width: 769px) {
    .pc-only {
        display: inline;
    }
}

/* （第2世代）テキストサイズ共通調整 */
.detail-name-gen {
    font-size: 0.75em;
}

/* -----------------------------------------------------------
   KVセクション（Bose Open Earbuds）
----------------------------------------------------------- */
.hero--open-earbuds {
    width: 100%;
    background-color: #f9f4ec;
    overflow: hidden;
}

.hero--open-earbuds .hero__inner {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
}

@media screen and (min-width: 769px) {
    .hero--open-earbuds .hero__inner {
        flex-direction: row;
        align-items: stretch;
        min-height: 520px;
    }
}

/* 左側メディア領域（画像＋重ねるロゴ） */
.hero--open-earbuds .hero__media {
    position: relative;
    width: 100%;
}

@media screen and (min-width: 769px) {
    .hero--open-earbuds .hero__media {
        width: 55%;
    }
}

.hero--open-earbuds .hero__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 画像上部のBOSEロゴラッパー（女性の頭より上配置） */
.hero--open-earbuds .hero__logo-wrapper {
    position: absolute;
    left: 0;
    top: 6%;
    z-index: 2;
    display: flex;
    align-items: flex-start;
    pointer-events: none;

    /* 幅いっぱいに指定 (max-width制限を解除) */
    width: 100%;
    max-width: 100%;
    padding: 0; /* 画像端ぴったりに合わせる場合 */
}

@media screen and (min-width: 769px) {
    .hero--open-earbuds .hero__logo-wrapper {
        left: 0;
        top: 8%;
        
        /* PCでも制限を解除して幅100%に */
        width: 100%;
        max-width: 100%;
    }
}

/* ロゴ画像自体も幅100%で伸ばす */
.hero--open-earbuds .hero__logo-img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

/* 右側テキストエリア */
.hero--open-earbuds .hero__content {
    width: 100%;
    background-color: #f9f4ec;
    display: flex;
    align-items: center;
    padding: 40px 6%;
}

@media screen and (min-width: 769px) {
    .hero--open-earbuds .hero__content {
        width: 45%;
        padding: 60px 5% 60px 4%;
    }
}

.hero--open-earbuds .hero__content-inner {
    text-align: left;
    color: #3b318f; 
}

/* キャッチコピー */
.hero--open-earbuds .catchphrase {
    font-family: 'BoseText-SemiBold', 'NotoSansJp-Bold', sans-serif;
    font-size: 28px;
    line-height: 1.3;
    margin: 0 0 2rem 0;
    color: #3b318f; /* 指定カラー: #3b318f */
    font-weight: normal;
}

@media screen and (min-width: 769px) {
    .hero--open-earbuds .catchphrase {
        font-size: 38px;
        line-height: 1.35;
        margin: 0 0 3rem 0;
    }
}

@media screen and (min-width: 1200px) {
    .hero--open-earbuds .catchphrase {
        font-size: 46px;
    }
}

/* 製品情報 */
.hero--open-earbuds .hero-heading {
    font-family: 'BoseText-Regular', 'NotoSansJp-Regular', sans-serif;
    font-size: 22px;
    line-height: 1;
    margin: 0 0 1rem 0;
    color: #3b318f; /* 指定カラー: #3b318f */
    font-weight: normal;
}

@media screen and (min-width: 769px) {
    .hero--open-earbuds .hero-heading {
        font-size: 28px;
    }
}

.hero--open-earbuds .hero__new-label {
    font-family: 'BoseText-SemiBold', 'NotoSansJp-Bold', sans-serif;
    font-weight: bold;
    display: inline-block;
    color: #3b318f; /* 指定カラー: #3b318f */
}

.hero--open-earbuds .hero__product-main-title {
    font-family: 'BoseText-Regular', 'NotoSansJp-Regular', sans-serif;
    font-size: 1.2em;
    color: #3b318f; /* 指定カラー: #3b318f */
}

.hero--open-earbuds .hero__product-sub-list {
    font-family: 'BoseText-Regular', 'NotoSansJp-Regular', sans-serif;
    font-size: 22px;
    line-height: 1.3;
    color: #3b318f; /* 指定カラー: #3b318f */
}

@media screen and (min-width: 769px) {
    .hero--open-earbuds .hero__product-sub-list {
        font-size: 22px;
    }
}

/* 【追加】NEW〜製品名のかたまりを下に下げる */
.hero--open-earbuds .hero__product-info {
    margin-top: 3rem; /* スマホ時の下げる距離（例: 48px相当） */
}

@media screen and (min-width: 769px) {
    .hero--open-earbuds .hero__product-info {
        margin-top: 5rem; /* PC時の下げる距離（例: 80px相当） */
    }
}

/* -----------------------------------------------------------
   製品紹介セクション（2つのOpen Earが登場）
----------------------------------------------------------- */
.intro-section {
    width: 100%;
    padding: 60px 4%;
    background-color: #ffffff;
}

@media screen and (min-width: 769px) {
    .intro-section {
        padding: 60px 4% 30px;
    }
}

.intro-section__inner {
    max-width: 1000px;
    margin: 0 auto;
}

.intro-section__title {
    font-family: 'BoseText-SemiBold', 'NotoSansJp-Bold', sans-serif;
    font-size: 24px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 40px;
    color: #000000;
}

@media screen and (min-width: 769px) {
    .intro-section__title {
        font-size: 32px;
        margin-bottom: 60px;
    }
}

/* 2つの製品カードヨコ並び */
.product-intro-grid {
    display: flex;
    flex-direction: column;
    gap: 40px;
    margin-bottom: 60px;
}

@media screen and (min-width: 769px) {
    .product-intro-grid {
        flex-direction: row;
        justify-content: center;
        gap: 60px;
        margin-bottom: 80px;
    }
}

.product-intro-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.product-intro-card__img {
    width: 100%;
    max-width: 320px;
    margin-bottom: 16px;
}

.product-intro-card__img img {
    width: 100%;
    height: auto;
    object-fit: contain;
}

.product-intro-card__name {
    font-family: 'BoseText-SemiBold', 'NotoSansJp-SemiBold', sans-serif;
    font-size: 16px;
    margin-bottom: 16px;
    color: #000000;
}

@media screen and (min-width: 769px) {
    .product-intro-card__name {
        font-size: 18px;
    }
}

.product-intro-card__link {
    display: inline-block;
    padding: 8px 24px;
    background-color: #000000;
    color: #ffffff;
    border-radius: 9999px;
    text-decoration: none;
    font-size: 14px;
    transition: opacity 0.3s ease;
}

.product-intro-card__link:hover {
    opacity: 0.7;
}

/* Open Earとは 説明テキスト */
.intro-about {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.intro-about__title {
    font-family: 'BoseText-SemiBold', 'NotoSansJp-Bold', sans-serif;
    font-size: 20px;
    line-height: 1.4;
    margin-bottom: 20px;
    font-weight: normal;
    color: #000000;
}

@media screen and (min-width: 769px) {
    .intro-about__title {
        font-size: 24px;
    }
}

.intro-about__text {
    font-size: 14px;
    line-height: 1.8;
    color: #333333;
    text-align: left;
}

@media screen and (min-width: 769px) {
    .intro-about__text {
        font-size: 16px;
        text-align: center;
    }
}

/* 【追加】製品紹介セクション内に移動したライフスタイルブロックのスタイル */
.intro-lifestyle {
    max-width: 800px;
    margin: 50px auto 0;
    text-align: center;
}

@media screen and (min-width: 769px) {
    .intro-lifestyle {
        margin: 70px auto 0;
    }
}

.intro-lifestyle__title {
    font-family: 'BoseText-SemiBold', 'NotoSansJp-Bold', sans-serif;
    font-size: 20px;
    line-height: 1.4;
    font-weight: bold;
    margin-bottom: 20px;
    color: #000000;
}

@media screen and (min-width: 769px) {
    .intro-lifestyle__title {
        font-size: 26px;
    }
}

.intro-lifestyle__text {
    font-size: 14px;
    line-height: 1.8;
    color: #333333;
}

@media screen and (min-width: 769px) {
    .intro-lifestyle__text {
        font-size: 16px;
    }
}

/* -----------------------------------------------------------
   2つの製品詳細エリア
----------------------------------------------------------- */
.products-detail-section {
    width: 100%;
    padding: 60px 4%;
    background-color: #ffffff;
}

@media screen and (min-width: 769px) {
    .products-detail-section {
        padding: 60px 4%;
    }
}

.products-detail-section__inner {
    max-width: 1000px;
    margin: 0 auto;
}

/* セクション全体の共通ヘッダー */
.section-header {
    text-align: center;
    margin-bottom: 30px;
}

.section-header__title {
    font-family: 'BoseText-SemiBold', 'NotoSansJp-Bold', sans-serif;
    font-size: 22px;
    line-height: 1.4;
    font-weight: bold;
    margin-bottom: 24px;
    color: #000000;
}

@media screen and (min-width: 769px) {
    .section-header__title {
        font-size: 30px;
    }
}

.section-header__lead {
    font-size: 14px;
    line-height: 1.8;
    color: #333333;
}

@media screen and (min-width: 769px) {
    .section-header__lead {
        font-size: 16px;
    }
}

/* 個別製品詳細ブロック */
.product-detail-block {
    margin-bottom: 100px;
    padding-top: 40px;
}

.product-detail-block:last-child {
    margin-bottom: 0;
}

/* 上部左右並びヒーローエリア */
.product-feature-hero {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 80px;
    gap: 20px;
}

@media screen and (min-width: 769px) {
    .product-feature-hero {
        flex-direction: row;
        gap: 10px;
        align-items: center;
    }
}

.product-feature-hero__visual {
    position: relative;
    flex: 1;
    overflow: hidden;
}

.product-feature-hero__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
}

.product-feature-hero__overlay-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    text-align: center;
    color: #000;
    font-family: 'BoseText-SemiBold', 'NotoSansJp-Bold', sans-serif;
    font-size: 26px;
    line-height: 1.6;
}

@media screen and (min-width: 769px) {
    .product-feature-hero__overlay-text {
        font-size: 26px;
    }
}

.product-feature-hero__product {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.product-feature-hero__product img {
    max-width: 400px;
    width: 100%;
    height: auto;
    object-fit: contain;
}

.product-feature-hero__name {
    font-family: 'BoseText-SemiBold', 'NotoSansJp-SemiBold', sans-serif;
    font-size: 24px;
    margin-top: 12px;
    color: #000000;
}

/* 詳細コンテンツヘッダー */
.product-detail-header {
    text-align: center;
    margin-bottom: 80px;
}

.product-detail-header__title {
    font-family: 'BoseText-SemiBold', 'NotoSansJp-Bold', sans-serif;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 16px;
    color: #000000;
}

@media screen and (min-width: 769px) {
    .product-detail-header__title {
        font-size: 26px;
    }
}

.product-detail-header__lead {
    font-size: 14px;
    line-height: 1.8;
    color: #333333;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

@media screen and (min-width: 769px) {
    .product-detail-header__lead {
        font-size: 16px;
    }
}

/* 交互グリッド (Feature Rows) */
.feature-rows {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

@media screen and (min-width: 769px) {
    .feature-rows {
        gap: 60px;
    }
}

.feature-row {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

@media screen and (min-width: 769px) {
    .feature-row {
        flex-direction: row;
        gap: 40px;
    }
    .feature-row--reverse {
        flex-direction: row-reverse;
    }
}

.feature-row__img {
    width: 100%;
}

@media screen and (min-width: 769px) {
    .feature-row__img {
        width: 50%;
    }
}

.feature-row__img img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border-radius: 4px;
}

.feature-row__text {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media screen and (min-width: 769px) {
    .feature-row__text {
        width: 50%;
    }
}

.feature-row__title {
    font-family: 'BoseText-SemiBold', 'NotoSansJp-Bold', sans-serif;
    font-size: 18px;
    font-weight: bold;
    line-height: 1.4;
    margin-bottom: 12px;
    color: #000000;
}

@media screen and (min-width: 769px) {
    .feature-row__title {
        font-size: 20px;
    }
}

.feature-row__desc {
    font-size: 14px;
    line-height: 1.7;
    color: #333333;
}


/* -----------------------------------------------------------
   フッター
----------------------------------------------------------- */
.logo-area {
    background: #000;
    margin-top: 4rem;
    padding-top: 3rem;
}

.logo-area img {
    width: 100%;
    height: auto;
    display: block;
}

@media screen and (min-width: 769px) {
    .logo-area {
        margin-top: 9rem;
        padding-top: 5rem;
    }
}