/* =========================================
   ITADORI SAUNA ご利用ガイド（YOHAKUデザイン継承）
   ========================================= */

/* 既存ヘッダー・プラン診断・浮動バナー・予約ボタンを非表示 */
header#menu,
.floating-cta,
.banner_btn,
.cta-diagnosis-wrap,
.cta-group,
.fixed_btn { display: none !important; }

:root {
    --ig-accent:  #8a7a55;
    --ig-accent-l:#c5b98f;
    --ig-text:    #333;
    --ig-text-2:  #555;
    --ig-text-3:  #777;
    --ig-mute:    #888;
    --ig-border:  #e8e2d8;
    --ig-bg-warm: #f9f7f3;
    --ig-red:     #c44;
    --ig-line:    #06C755;
    --ig-orange:  #ff2f00;
}

.info-guide {
    font-family: "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", "游ゴシック", YuGothic, "メイリオ", Meiryo, sans-serif;
    background: #fff;
    color: var(--ig-text);
    line-height: 1.9;
    -webkit-font-smoothing: antialiased;
    letter-spacing: 0.02em;
    overflow-x: clip;
    width: 100%;
    max-width: 100%;
}

/* bodyに横オーバーフロー防止（sticky維持のため） */
body:has(.info-guide) {
    overflow-x: clip;
}

.info-guide *, .info-guide *::before, .info-guide *::after {
    box-sizing: border-box;
}

/* ===== SOS 追従ボタン ===== */
.info-sos,
.info-sos:link,
.info-sos:visited,
.info-sos:hover,
.info-sos:active {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 900;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: var(--ig-line);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-decoration: none;
    box-shadow: 1px 4px 8px rgba(0,0,0,0.25);
    transition: transform 0.2s;
}

.info-sos:active { transform: scale(0.95); }
.info-sos__label { line-height: 1.5; }

/* ===== Hero ===== */
.info-hero {
    max-width: 960px;
    margin: 0 auto;
    padding: 5rem 2rem 3rem;
    text-align: center;
    border-bottom: 1px solid var(--ig-border);
}

.info-hero__label {
    font-family: "neue-haas-grotesk-text", Arial, sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    color: var(--ig-accent);
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.info-hero__title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 300;
    line-height: 1.6;
    letter-spacing: 0.08em;
    color: var(--ig-text);
    margin-bottom: 1.5rem;
}

.info-hero__sub {
    font-size: 0.88rem;
    color: var(--ig-text-2);
    line-height: 2;
    margin-bottom: 2.5rem;
    letter-spacing: 0.04em;
}

.info-hero__emergency {
    max-width: 560px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    background: var(--ig-bg-warm);
    border: 1px solid var(--ig-border);
    border-radius: 12px;
    text-align: center;
}

.info-hero__emergency-txt {
    font-size: 0.85rem;
    color: var(--ig-text);
    margin-bottom: 1rem;
    letter-spacing: 0.05em;
}

.info-hero__emergency-btn,
.info-hero__emergency-btn:link,
.info-hero__emergency-btn:visited,
.info-hero__emergency-btn:hover,
.info-hero__emergency-btn:active {
    display: inline-block;
    background: var(--ig-line);
    color: #fff;
    padding: 0.8rem 2.5rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: opacity 0.2s;
}

.info-hero__emergency-btn:hover { opacity: 0.85; }

/* ===== ジャーニーナビ（Sticky） ===== */
.info-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    gap: 0;
    justify-content: flex-start;
    overflow-x: auto;
    background: #fff;
    border-bottom: 1px solid var(--ig-border);
    padding: 0.8rem 1rem;
    -webkit-overflow-scrolling: touch;
}

@media screen and (min-width: 768px) {
    .info-nav { justify-content: center; }
}

.info-nav::-webkit-scrollbar { display: none; }

.info-nav__item {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0.6rem 1.2rem;
    color: var(--ig-text-3);
    text-decoration: none;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    white-space: nowrap;
}

.info-nav__item:hover,
.info-nav__item:active {
    color: var(--ig-text);
    border-bottom-color: var(--ig-accent);
}

.info-nav__num {
    font-family: "Century Gothic", Arial, sans-serif;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--ig-accent);
    letter-spacing: 0.1em;
}

.info-nav__label {
    font-size: 0.78rem;
    font-family: "Yu Mincho", "YuMincho", "游明朝", serif;
}

/* ===== Step セクション共通 ===== */
.info-step {
    padding: 4rem 2rem;
    max-width: 960px;
    margin: 0 auto;
    scroll-margin-top: 80px;
}

.info-step:nth-of-type(even) {
    /* 交互背景は親要素で制御せずセクション自体をwarmに */
}

.info-step--danger {
    background: var(--ig-bg-warm);
    max-width: none;
    padding-left: 0;
    padding-right: 0;
    border-top: 1px solid var(--ig-border);
    border-bottom: 1px solid var(--ig-border);
}

.info-step--danger > * {
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

.info-step--rules {
    background: var(--ig-bg-warm);
    max-width: none;
    padding-left: 0;
    padding-right: 0;
    border-top: 1px solid var(--ig-border);
}

.info-step--rules > * {
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

.info-step__head {
    margin-bottom: 2.5rem;
    text-align: center;
}

.info-step__num {
    display: inline-block;
    font-family: "neue-haas-grotesk-text", "Century Gothic", Arial, sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    color: var(--ig-accent);
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    font-weight: 500;
}

.info-step__num--red {
    color: var(--ig-red);
}

.info-step__title {
    font-size: clamp(1.3rem, 3vw, 1.7rem);
    font-weight: 300;
    letter-spacing: 0.1em;
    line-height: 1.6;
    color: var(--ig-text);
    margin: 0.5rem 0 1rem;
}

.info-step__sub {
    font-size: 0.88rem;
    color: var(--ig-text-3);
    line-height: 1.95;
    letter-spacing: 0.04em;
}

.info-step__tip {
    margin-top: 1.5rem;
    padding: 1.2rem 1.5rem;
    background: var(--ig-bg-warm);
    border: 1px solid var(--ig-border);
    border-radius: 12px;
    font-size: 0.85rem;
    color: var(--ig-text-2);
    line-height: 1.9;
    letter-spacing: 0.04em;
}

.info-step__tip strong {
    color: var(--ig-accent);
    font-weight: 700;
}

.info-step__note {
    margin-top: 1.5rem;
    padding: 1rem 1.2rem;
    background: var(--ig-bg-warm);
    border-radius: 8px;
    font-size: 0.78rem;
    color: var(--ig-text-3);
    line-height: 1.9;
    letter-spacing: 0.03em;
}

.info-h3 {
    display: inline-block;
    max-width: 100%;
    width: fit-content;
    font-size: 1.1rem;
    font-weight: 700;
    margin: 2rem 0 1.2rem;
    padding-left: 0.8rem;
    border-left: 3px solid var(--ig-accent);
    letter-spacing: 0.06em;
    line-height: 1.5;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== 進行バー + プラン選択 ===== */
.info-progress {
    position: sticky;
    top: 0;
    z-index: 101;
    background: #fff;
    border-bottom: 1px solid var(--ig-border);
    padding: 0.6rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.info-progress__bar {
    flex: 1;
    min-width: 40px;
    height: 4px;
    background: var(--ig-border);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.info-progress__bar::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: var(--progress, 20%);
    background: var(--ig-accent);
    border-radius: 2px;
    transition: width 0.4s ease;
}

.info-progress__text {
    font-family: "Century Gothic", Arial, sans-serif;
    font-size: 0.72rem;
    color: var(--ig-text-3);
    letter-spacing: 0.08em;
    white-space: nowrap;
    margin: 0;
}

.info-progress__text span {
    color: var(--ig-accent);
    font-weight: 700;
}

/* info-nav は info-progress の下にくるので top 調整 */
.info-nav { top: 42px; }

/* ===== 必読1行サマリー ===== */
.info-summary {
    background: linear-gradient(135deg, #fff5f5, #fef3f3);
    border: 2px solid var(--ig-red);
    border-radius: 14px;
    padding: 1.2rem 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.info-summary__lead {
    font-size: 0.78rem;
    color: var(--ig-red);
    font-weight: 700;
    letter-spacing: 0.15em;
    margin-bottom: 0.6rem;
}

.info-summary__text {
    font-size: 0.92rem;
    line-height: 2;
    color: var(--ig-text);
    font-weight: 500;
    letter-spacing: 0.04em;
    margin: 0;
}

/* ===== 基本サイクル ===== */
.info-cycle {
    background: var(--ig-bg-warm);
    border: 1px solid var(--ig-border);
    border-radius: 14px;
    padding: 1.5rem 1.2rem;
    margin-bottom: 1.5rem;
}

.info-cycle__title {
    font-size: 0.78rem;
    letter-spacing: 0.15em;
    color: var(--ig-accent);
    text-align: center;
    font-weight: 700;
    margin-bottom: 1rem;
}

.info-cycle__grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    flex-wrap: nowrap;
}

.info-cycle__item {
    flex: 1;
    min-width: 0;
    background: #fff;
    border: 1px solid var(--ig-border);
    border-radius: 10px;
    padding: 0.8rem 0.4rem;
    text-align: center;
}

.info-cycle__num {
    display: inline-block;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--ig-accent);
    color: #fff;
    font-family: "Century Gothic", sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 22px;
    margin-bottom: 0.4rem;
}

.info-cycle__label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--ig-text);
    margin-bottom: 0.2rem;
}

.info-cycle__time {
    font-size: 0.7rem;
    color: var(--ig-text-3);
    margin: 0;
}

.info-cycle__sep {
    color: var(--ig-accent);
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.info-cycle__note {
    text-align: center;
    font-size: 0.82rem;
    color: var(--ig-text-2);
    margin-top: 1rem;
}

.info-cycle__note strong {
    color: var(--ig-accent);
    font-weight: 700;
}

/* ===== STEP間ジャンプリンク ===== */
.info-next {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    margin-top: 2.5rem;
    padding: 1.2rem 1.5rem;
    background: var(--ig-bg-warm);
    border: 1px solid var(--ig-border);
    border-radius: 12px;
    color: var(--ig-text);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-align: center;
    transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.info-next:hover,
.info-next:active {
    background: #fff;
    border-color: var(--ig-accent);
    color: var(--ig-accent);
}

.info-next::after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-top: 9px solid var(--ig-accent);
    margin-top: 0.3rem;
    transition: transform 0.2s;
}

.info-next:hover::after,
.info-next:active::after {
    transform: translateY(3px);
}

/* ===== リード文 ===== */
.info-lead {
    text-align: center;
    font-size: 0.88rem;
    color: var(--ig-accent);
    font-weight: 500;
    letter-spacing: 0.04em;
    margin: 1.5rem 0 1.5rem;
    padding: 0.8rem 1rem;
    border-top: 1px solid var(--ig-border);
    border-bottom: 1px solid var(--ig-border);
}

/* ===== ビジュアル休憩 ===== */
.info-visual {
    position: relative;
    width: 100%;
    margin: 2rem 0;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: #000;
}

.info-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
}

.info-visual__copy {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: clamp(1.2rem, 3.5vw, 1.8rem);
    font-weight: 300;
    letter-spacing: 0.12em;
    text-align: center;
    line-height: 1.8;
    text-shadow: 0 2px 20px rgba(0,0,0,0.5);
    margin: 0;
    width: 90%;
}

/* ===== 延長リクエスト ===== */
.info-extend-btn,
.info-extend-btn:link,
.info-extend-btn:visited,
.info-extend-btn:hover,
.info-extend-btn:active {
    display: block;
    width: fit-content;
    margin: 1rem 0 0 auto;
    padding: 0.7rem 1.8rem;
    background: var(--ig-line);
    color: #fff;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.06em;
}

.info-extend-btn:hover { opacity: 0.85; }

/* ===== 場内マップ ===== */
.info-map {
    margin-top: 1rem;
    border: 1px solid var(--ig-border);
    border-radius: 12px;
    overflow: hidden;
    background: var(--ig-bg-warm);
}

.info-map img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== チェックリスト ===== */
.info-check {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-check li {
    background: #fff;
    border: 1px solid var(--ig-border);
    border-radius: 12px;
    margin-bottom: 0.8rem;
    transition: border-color 0.2s;
}

.info-check li:hover {
    border-color: var(--ig-accent-l);
}

.info-check label {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.2rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--ig-text);
    line-height: 1.7;
    letter-spacing: 0.04em;
}

.info-check input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--ig-accent);
    flex-shrink: 0;
    cursor: pointer;
}

.info-check input[type="checkbox"]:checked + span {
    text-decoration: line-through;
    color: var(--ig-mute);
}

/* ===== 必読アラート（強調） ===== */
.info-alert {
    position: relative;
    background: #fff;
    border: 2px solid var(--ig-red);
    border-radius: 14px;
    padding: 1.8rem 1.8rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 16px rgba(196,68,68,0.08);
}

.info-alert::before {
    content: '必読';
    position: absolute;
    top: -12px;
    left: 20px;
    background: var(--ig-red);
    color: #fff;
    padding: 4px 14px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    border-radius: 50px;
    line-height: 1.5;
}

.info-alert--warn {
    border-color: var(--ig-red);
    box-shadow: 0 4px 16px rgba(196,68,68,0.08);
}

.info-alert--warn::before {
    background: var(--ig-red);
    content: '必読';
}

.info-alert__head {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--ig-text);
    margin-bottom: 1rem;
    letter-spacing: 0.08em;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--ig-border);
}

.info-alert ul {
    padding-left: 1.2rem;
    font-size: 0.88rem;
    line-height: 2;
    color: var(--ig-text);
    letter-spacing: 0.03em;
    margin: 0;
}

.info-alert li {
    margin-bottom: 0.5rem;
}

.info-alert li::marker {
    color: var(--ig-red);
    font-weight: 700;
}

.info-alert--warn li::marker {
    color: var(--ig-red);
}

.info-alert p {
    font-size: 0.88rem;
    line-height: 1.9;
    color: var(--ig-text);
    letter-spacing: 0.03em;
    margin: 0;
}

.info-alert strong {
    color: var(--ig-red);
    font-weight: 700;
}

.info-alert--warn strong {
    color: var(--ig-red);
}

/* ===== トラブル対応 ===== */
.info-trouble {
    margin-top: 2rem;
    background: var(--ig-bg-warm);
    border: 1px solid var(--ig-border);
    border-radius: 12px;
    padding: 1.5rem 1.8rem;
}

.info-trouble h4 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--ig-text);
    margin-bottom: 1rem;
    letter-spacing: 0.08em;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--ig-border);
}

.info-trouble details {
    border-bottom: 1px solid var(--ig-border);
    padding: 0.8rem 0;
}

.info-trouble details:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-trouble summary {
    font-size: 0.88rem;
    font-weight: 400;
    cursor: pointer;
    list-style: none;
    letter-spacing: 0.03em;
    color: var(--ig-text);
}

.info-trouble summary::-webkit-details-marker { display: none; }

.info-trouble summary::before {
    content: '+ ';
    color: var(--ig-accent);
    font-weight: 300;
    margin-right: 4px;
}

.info-trouble details[open] summary::before { content: '− '; }

.info-trouble p {
    font-size: 0.82rem;
    line-height: 1.9;
    color: var(--ig-text-2);
    margin-top: 0.8rem;
    padding-left: 1.2rem;
    letter-spacing: 0.03em;
}

/* ===== 横スクロールカード ===== */
.info-guide .horizontal-scroll {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding: 0.5rem 0 1.5rem;
    margin: 0;
    scrollbar-width: none;
}

.info-guide .horizontal-scroll::-webkit-scrollbar { display: none; }

.info-guide .card {
    flex: 0 0 78vw;
    max-width: 300px;
    scroll-snap-align: start;
    background: #fff;
    border: 1px solid var(--ig-border);
    border-radius: 12px;
    overflow: hidden;
    padding: 1rem 1.2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.info-guide .card h4 {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border-radius: 50%;
    background: var(--ig-accent);
    color: #fff;
    font-family: "Century Gothic", Arial, sans-serif;
    font-size: 0.82rem;
    font-weight: 500;
    line-height: 1;
    margin: 0 0 1rem;
    text-align: center;
}

.info-guide .card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.info-guide .card p {
    font-size: 0.85rem;
    line-height: 1.9;
    color: var(--ig-text-2);
    letter-spacing: 0.03em;
    margin: 0;
}

.info-guide .card p strong {
    color: var(--ig-accent);
    font-weight: 700;
}

.info-guide .card p span {
    display: block;
    font-size: 0.75rem;
    color: var(--ig-mute);
    margin-top: 0.5rem;
}

/* ===== タブ ===== */
.info-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    padding-bottom: 0.3rem;
    scrollbar-width: none;
}

.info-tabs::-webkit-scrollbar { display: none; }

.info-tab {
    flex: 0 0 auto;
    padding: 0.6rem 1.5rem;
    border: 1px solid var(--ig-accent-l);
    background: #fff;
    border-radius: 999px;
    font-family: "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", sans-serif;
    font-size: 0.82rem;
    font-weight: 400;
    color: var(--ig-text-2);
    cursor: pointer;
    letter-spacing: 0.08em;
    transition: all 0.2s;
    white-space: nowrap;
}

.info-tab.is-active {
    background: var(--ig-accent);
    border-color: var(--ig-accent);
    color: #fff;
}

.info-tab-content { display: none; }
.info-tab-content.is-active { display: block; }

/* ===== ルール ===== */
.info-rules-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.info-rule {
    background: #fff;
    border: 1px solid var(--ig-border);
    border-radius: 12px;
    padding: 1.2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    border-left: 3px solid var(--ig-accent);
}

.info-rule strong {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--ig-text);
    letter-spacing: 0.06em;
}

.info-rule span {
    font-size: 0.82rem;
    color: var(--ig-text-2);
    line-height: 1.85;
    letter-spacing: 0.03em;
}

/* ===== FAQ アコーディオン ===== */
.info-guide .qa-7 {
    background: #fff;
    border: 1px solid var(--ig-border);
    border-radius: 12px;
    margin-bottom: 0.8rem;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.info-guide .qa-7 summary {
    padding: 1em 2em;
    font-size: 0.9rem;
    font-weight: 400;
    cursor: pointer;
    list-style: none;
    position: relative;
    letter-spacing: 0.04em;
    color: var(--ig-text);
    padding-right: 3em;
    line-height: 1.7;
}

.info-guide .qa-7 summary::-webkit-details-marker { display: none; }

.info-guide .qa-7 summary::before,
.info-guide .qa-7 p::before { content: none; display: none; }

.info-guide .qa-7 summary::after {
    content: '+';
    position: absolute;
    right: 1.5em;
    top: 50%;
    transform: translateY(-50%);
    width: auto;
    height: auto;
    margin: 0;
    border: none;
    font-size: 1.3rem;
    color: var(--ig-accent);
    font-weight: 300;
    transition: transform 0.3s;
    line-height: 1;
}

.info-guide .qa-7[open] summary::after {
    content: '−';
    transform: translateY(-50%);
    border: none;
}

.info-guide .qa-7 p {
    padding: 0 2em 1.5em;
    font-size: 0.85rem;
    line-height: 2;
    color: var(--ig-text-2);
    letter-spacing: 0.03em;
    margin: 0;
}

.info-guide .qa-7 p span {
    display: block;
    font-size: 0.78rem;
    color: var(--ig-mute);
    margin-top: 0.3rem;
}

.info-guide .qa-7 p b {
    color: var(--ig-text);
    font-weight: 500;
}

/* ===== Final CTA ===== */
.info-final {
    max-width: 960px;
    margin: 0 auto;
    padding: 4rem 2rem 5rem;
    text-align: center;
    border-top: 1px solid var(--ig-border);
}

.info-final__title {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
    color: var(--ig-text);
}

.info-final__sub {
    font-size: 0.85rem;
    color: var(--ig-text-3);
    margin-bottom: 1.8rem;
    letter-spacing: 0.05em;
}

.info-final__btn,
.info-final__btn:link,
.info-final__btn:visited,
.info-final__btn:hover,
.info-final__btn:active {
    display: inline-block;
    background: var(--ig-line);
    color: #fff;
    padding: 1rem 3rem;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: opacity 0.2s;
}

.info-final__btn:hover { opacity: 0.85; }

/* ===== detail-button ===== */
.info-guide .detail-button {
    display: inline-block;
    padding: 0.9rem 2.8rem;
    background: var(--ig-accent);
    border: 1px solid var(--ig-accent);
    border-radius: 50px;
    color: #fff;
    font-family: "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", sans-serif;
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: opacity 0.2s;
}

.info-guide .detail-button:hover {
    opacity: 0.85;
    color: #fff;
}

/* ===== PC (768px+) ===== */
@media screen and (min-width: 768px) {
    .info-hero { padding: 6rem 3rem 4rem; }
    .info-step { padding: 5rem 3rem; }
    .info-step--danger > *,
    .info-step--rules > * { padding-left: 3rem; padding-right: 3rem; }
    .info-guide .card { flex: 0 0 320px; }
    .info-rules-grid { grid-template-columns: repeat(2, 1fr); }
    .info-nav { padding: 1rem 2rem; }
    .info-guide .horizontal-scroll { margin: 0; padding: 0.5rem 0 1.5rem; }
}

/* ===== モバイル微調整 ===== */
@media screen and (max-width: 639px) {
    .info-sos { width: 72px; height: 72px; font-size: 0.62rem; bottom: 16px; right: 16px; }

    .info-hero { padding: 3rem 1.2rem 2rem; }
    .info-hero__emergency { padding: 1.2rem 1rem; }
    .info-hero__title { font-size: 1.3rem; }
    .info-hero__sub { font-size: 0.82rem; }

    .info-step { padding: 3rem 1.2rem; }
    .info-step--danger > *,
    .info-step--rules > * { padding-left: 1.2rem; padding-right: 1.2rem; }

    .info-step__title { font-size: 1.2rem; }

    .info-alert { padding: 1.5rem 1.2rem 1.2rem; }
    .info-alert ul { padding-left: 1.1rem; font-size: 0.82rem; }

    .info-trouble { padding: 1.2rem 1rem; }

    .info-guide .horizontal-scroll { margin: 0; padding: 0.5rem 0 1.5rem; }

    .info-guide .card { flex: 0 0 82vw; padding: 0.9rem 1rem; }
    .info-guide .card img { height: 170px; }

    .info-check label { padding: 0.9rem 1rem; font-size: 0.85rem; gap: 0.8rem; }

    .info-final { padding: 3rem 1.2rem 4rem; }

    .info-h3 { font-size: 1rem; }
    .info-nav { padding: 0.6rem 0.8rem; }
    .info-nav__item { padding: 0.5rem 0.9rem; }
}