@charset "UTF-8";

/* ==========================================================================
   interview.css
   インタビュー記事ページ専用スタイル
   ・すべてのセレクタを .iv- プレフィックスで独立させ、他ページ／style.css へ干渉させない
   ・ヘッダー／フッター／Back to Top は style.css（index.html 準拠）をそのまま使用
   ========================================================================== */

/* --- ページ全体 --- */
.iv-page {
    background-color: #fff;
    color: #222;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.iv-sp-br {
    display: none;
}

/* --- ページ読み込み時アニメーション（Hero） --- */
@keyframes ivFadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.iv-hero-inner>* {
    opacity: 0;
    animation: ivFadeInUp 0.9s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.iv-hero-inner>*:nth-child(1) {
    animation-delay: 0.1s;
}

.iv-hero-inner>*:nth-child(2) {
    animation-delay: 0.25s;
}

.iv-hero-inner>*:nth-child(3) {
    animation-delay: 0.4s;
}

.iv-hero-inner>*:nth-child(4) {
    animation-delay: 0.6s;
}

.iv-hero-inner>*:nth-child(5) {
    animation-delay: 0.75s;
}

/* --- Hero --- */
.iv-hero {
    background-color: #000;
    color: #fff;
    padding: 110px 20px 90px;
    display: flex;
    justify-content: center;
    text-align: center;
}

.iv-hero-inner {
    width: 100%;
    max-width: 820px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.iv-crumb {
    display: flex;
    gap: 10px;
    font-family: 'EB Garamond', serif;
    font-size: 13px;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
}

.iv-crumb a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.3s;
}

.iv-crumb a:hover {
    color: #c5a365;
}

.iv-crumb-current {
    color: #c5a365;
}

.iv-hero-label {
    font-family: 'EB Garamond', serif;
    font-size: clamp(14px, 2vw, 20px);
    letter-spacing: 0.4em;
    color: #c5a365;
}

.iv-hero-title {
    font-size: clamp(30px, 4.5vw, 54px);
    line-height: 1.6;
    letter-spacing: 0.15em;
    font-weight: 400;
}

.iv-hero-sub {
    font-size: clamp(15px, 2vw, 20px);
    letter-spacing: 0.15em;
    color: #c5a365;
    font-weight: 400;
}

.iv-hero-meta {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    justify-content: center;
    font-size: 13px;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.65);
    border-top: 1px solid rgba(197, 163, 101, 0.5);
    padding-top: 22px;
}

/* --- メインビジュアル --- */
.iv-keyvisual {
    margin: -40px auto 0;
    max-width: 960px;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.iv-keyvisual img {
    width: 100%;
    height: auto;
    display: block;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.35);
}

.iv-caption {
    margin-top: 14px;
    text-align: center;
    font-size: 12px;
    color: #666;
    letter-spacing: 0.05em;
    line-height: 1.8;
}

/* --- 本文 --- */
.iv-body {
    max-width: 760px;
    margin: 0 auto;
    padding: 80px 20px 100px;
    display: flex;
    flex-direction: column;
    gap: 32px;
    font-size: 16px;
    line-height: 2.3;
    letter-spacing: 0.05em;
    color: #333;
}

.iv-lede {
    font-size: 17px;
}

/* KEY POINTS */
.iv-keypoints {
    border: 1px solid rgba(197, 163, 101, 0.5);
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background-color: #fcfaf6;
}

.iv-keypoints-title {
    font-family: 'EB Garamond', serif;
    font-size: 15px;
    letter-spacing: 0.35em;
    color: #72613b;
    font-weight: 400;
}

.iv-keypoints-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.iv-keypoints-list li {
    font-size: 15px;
    line-height: 1.9;
    padding-left: 1.3em;
    text-indent: -1.3em;
}

/* 見出し */
.iv-h2 {
    margin-top: 36px;
    font-size: clamp(22px, 3vw, 28px);
    color: #c5a365;
    letter-spacing: 0.15em;
    font-weight: 500;
    line-height: 1.7;
    border-left: 1px solid #c5a365;
    padding-left: 24px;
}

.iv-h2-person {
    font-size: clamp(22px, 3vw, 30px);
    letter-spacing: 0.1em;
    font-weight: 500;
    line-height: 1.7;
    color: #222;
}

.iv-h3 {
    margin-top: 20px;
    font-size: clamp(18px, 2.4vw, 22px);
    letter-spacing: 0.1em;
    font-weight: 500;
    color: #72613b;
    line-height: 1.8;
}

.iv-h3-faq {
    margin-top: 10px;
    font-size: clamp(17px, 2.2vw, 20px);
    letter-spacing: 0.08em;
    font-weight: 500;
    color: #72613b;
    line-height: 1.8;
}

/* インタビュー見出しブロック */
.iv-head {
    margin-top: 50px;
    display: flex;
    align-items: baseline;
    gap: 20px;
    border-top: 1px solid rgba(197, 163, 101, 0.5);
    padding-top: 30px;
}

.iv-head-no {
    font-family: 'EB Garamond', serif;
    font-style: italic;
    font-size: 60px;
    line-height: 0.8;
    color: #c5a365;
}

.iv-head-label {
    margin-bottom: 6px;
    font-family: 'EB Garamond', serif;
    font-size: 13px;
    letter-spacing: 0.3em;
    color: #72613b;
}

.iv-head-name {
    font-size: 15px;
    letter-spacing: 0.1em;
    color: #555;
}

/* 引用 */
.iv-quote {
    margin: 10px 0;
    position: relative;
    padding: 24px 34px;
    font-size: clamp(17px, 2.2vw, 21px);
    line-height: 2.1;
    letter-spacing: 0.1em;
    color: #222;
}

.iv-quote::before,
.iv-quote::after {
    content: '';
    position: absolute;
    top: 0;
    width: 15px;
    height: 100%;
    border-top: 1px solid #c5a365;
    border-bottom: 1px solid #c5a365;
    opacity: 0.8;
}

.iv-quote::before {
    left: 0;
    border-left: 1px solid #c5a365;
}

.iv-quote::after {
    right: 0;
    border-right: 1px solid #c5a365;
}

/* 本文中の図版 */
.iv-figure {
    margin-top: 20px;
}

.iv-figure img {
    width: 100%;
    height: auto;
    display: block;
}

.iv-figure .iv-caption {
    margin-top: 12px;
}

/* 箇条書き */
.iv-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.iv-list--tight {
    gap: 14px;
}

.iv-list li {
    font-size: 16px;
    line-height: 2.1;
    padding-left: 1.2em;
    text-indent: -1.2em;
}

.iv-list-term {
    color: #72613b;
}

/* 編集情報 */
.iv-note {
    margin-top: 40px;
    border-top: 1px solid rgba(197, 163, 101, 0.5);
    padding-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.iv-note-title {
    font-family: 'EB Garamond', serif;
    font-size: 14px;
    letter-spacing: 0.3em;
    color: #72613b;
    font-weight: 400;
}

.iv-note-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 13px;
    line-height: 1.9;
    color: #666;
}

/* --- CTA --- */
.iv-cta {
    padding: 110px 20px;
    background-color: #000;
    background-image: url('images/bg_08.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: #fff;
    display: flex;
    justify-content: center;
    text-align: center;
}

.iv-cta-inner {
    width: 100%;
    max-width: 800px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.iv-cta-label {
    font-family: 'EB Garamond', serif;
    font-size: clamp(14px, 2vw, 20px);
    letter-spacing: 0.4em;
    color: #c5a365;
}

.iv-cta-title {
    font-size: clamp(26px, 4vw, 44px);
    color: #b7a664;
    line-height: 1.6;
    letter-spacing: 0.1em;
    font-weight: 400;
}

.iv-cta-text {
    font-size: clamp(14px, 2vw, 20px);
    line-height: 2.2;
    letter-spacing: 0.1em;
    color: #eee;
}

.iv-cta-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.iv-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    height: 64px;
    width: min(340px, 80vw);
    color: #fff;
    text-decoration: none;
    border-radius: 32px;
    font-size: 15px;
    letter-spacing: 0.1em;
    transition: opacity 0.3s;
}

.iv-btn:hover {
    opacity: 0.8;
    color: #fff;
}

.iv-btn-brown {
    background-color: #7b684c;
}

.iv-btn-gold {
    background-color: #bea36d;
}

.iv-btn-icon {
    width: 1.25em;
    height: auto;
    margin-top: -0.1em;
}

.iv-back {
    margin-top: 10px;
    font-family: 'EB Garamond', serif;
    color: #c5a365;
    text-decoration: none;
    font-size: 15px;
    letter-spacing: 0.15em;
    border-bottom: 1px solid rgba(197, 163, 101, 0.5);
    padding-bottom: 3px;
    transition: color 0.3s;
}

.iv-back:hover {
    color: #fff;
}

/* --- スクロール連動アニメーション --- */
/* .fade-in / .is-visible は style.css（index.html 共通）を使用。
   ここでは記事本文向けの補助バリエーションのみ定義する。 */

/* 画像はスケール＋フェードでゆっくり立ち上げる */
.iv-figure.fade-in,
.iv-keyvisual.fade-in {
    transform: translateY(40px);
}

.iv-figure.fade-in.is-visible,
.iv-keyvisual.fade-in.is-visible {
    transform: translateY(0);
}

.iv-figure.fade-in img,
.iv-keyvisual.fade-in img {
    opacity: 0;
    transform: scale(1.04);
    transition: opacity 1.4s cubic-bezier(0.25, 1, 0.5, 1), transform 1.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.iv-figure.fade-in.is-visible img,
.iv-keyvisual.fade-in.is-visible img {
    opacity: 1;
    transform: scale(1);
}

/* 番号は少し遅れて浮かび上がらせる */
.iv-head.fade-in .iv-head-no {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1) 0.25s, transform 1s cubic-bezier(0.25, 1, 0.5, 1) 0.25s;
}

.iv-head.fade-in.is-visible .iv-head-no {
    opacity: 1;
    transform: translateY(0);
}

/* 引用の罫線を左右から描き出す */
.iv-quote.fade-in::before,
.iv-quote.fade-in::after {
    opacity: 0;
    transition: opacity 1s ease 0.3s;
}

.iv-quote.fade-in.is-visible::before,
.iv-quote.fade-in.is-visible::after {
    opacity: 0.8;
}

/* KEY POINTS のリストを1項目ずつ表示 */
.iv-keypoints.fade-in .iv-keypoints-list li {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.iv-keypoints.fade-in.is-visible .iv-keypoints-list li {
    opacity: 1;
    transform: translateY(0);
}

.iv-keypoints.fade-in.is-visible .iv-keypoints-list li:nth-child(1) {
    transition-delay: 0.15s;
}

.iv-keypoints.fade-in.is-visible .iv-keypoints-list li:nth-child(2) {
    transition-delay: 0.28s;
}

.iv-keypoints.fade-in.is-visible .iv-keypoints-list li:nth-child(3) {
    transition-delay: 0.41s;
}

.iv-keypoints.fade-in.is-visible .iv-keypoints-list li:nth-child(4) {
    transition-delay: 0.54s;
}

.iv-keypoints.fade-in.is-visible .iv-keypoints-list li:nth-child(5) {
    transition-delay: 0.67s;
}

/* 読了プログレスバー（ヘッダー下端に表示） */
.iv-progress {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: 2px;
    z-index: 999;
    background-color: rgba(197, 163, 101, 0.15);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.iv-progress.is-active {
    opacity: 1;
}

.iv-progress-bar {
    width: 0;
    height: 100%;
    background-color: #c5a365;
    transform-origin: left center;
}

/* --- レスポンシブ --- */
@media (max-width: 900px) {
    .iv-hero {
        padding: 80px 20px 70px;
    }

    .iv-body {
        padding: 60px 20px 80px;
    }

    .iv-cta {
        padding: 80px 20px;
        background-attachment: scroll;
    }

    .iv-lede {
        font-size: 16px;
    }
}

/* ヘッダーがオーバーレイ表示になる幅では、プログレスバーを画面最上部へ */
@media (max-width: 1000px) {
    .iv-progress {
        top: 0;
    }
}

@media (max-width: 600px) {
    .iv-sp-br {
        display: block;
    }

    .iv-hero-title {
        letter-spacing: 0;
    }

    .iv-crumb {
        flex-wrap: wrap;
        justify-content: center;
    }

    .iv-keyvisual {
        margin-top: -24px;
    }

    .iv-quote {
        padding: 22px 24px;
        font-size: 17px;
        line-height: 1.9;
    }

    .iv-btn {
        width: 100%;
        max-width: 340px;
    }

    .iv-cta-btns {
        flex-direction: column;
        align-items: center;
    }

    .iv-keypoints {
        padding: 30px 22px;
    }

    .iv-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .iv-head-no {
        font-size: 44px;
    }
}

/* --- アニメーションを控えたい環境への配慮 --- */
@media (prefers-reduced-motion: reduce) {

    .iv-hero-inner>*,
    .fade-in,
    .fade-in.is-visible,
    .iv-figure.fade-in img,
    .iv-keyvisual.fade-in img,
    .iv-head.fade-in .iv-head-no,
    .iv-keypoints.fade-in .iv-keypoints-list li {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
        transition: none !important;
    }

    .iv-quote.fade-in::before,
    .iv-quote.fade-in::after {
        opacity: 0.8 !important;
    }
}