/* ==========================================================================
   Common CSS — Athletic
   ========================================================================== */

/* ===== Webフォント読み込み ===== */
@font-face {
    font-family: 'Kinto Sans';
    src: url('../fonts/KintoSans-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Kinto Sans';
    src: url('../fonts/KintoSans-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ===== Opening Animation ===== */
.opening {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    background: #ff6600;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    transition: opacity 0.6s ease;
}

.opening.is-done {
    opacity: 0;
    pointer-events: none;
}

.opening-letters {
    display: flex;
    gap: 0.1em;
    overflow: hidden;
}

.opening-letters span {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: clamp(2rem, 6vw, 4.5rem);
    font-weight: 700;
    color: #fff;
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.opening-letters span.is-show {
    opacity: 1;
    transform: translateY(0);
}

.opening-letters.is-hide {
    opacity: 0;
    transition: opacity 0.4s ease;
}

.opening-after {
    text-align: left;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
    position: absolute;
    left: 40px;
}

.opening-after.is-show {
    opacity: 1;
    transform: translateY(0);
}

.opening-logo {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: clamp(4rem, 12vw, 10rem);
    font-weight: 900;
    color: #fff;
    letter-spacing: -0.02em;
    line-height: 1.1;
    text-align: left;
}

.opening-tagline {
    font-family: 'Jost', sans-serif;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 500;
    font-style: italic;
    color: #fff;
    letter-spacing: 0.05em;
}

/* ===== リセット ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Kinto Sans', 'Noto Sans JP', sans-serif;
    color: #1a1a1a;
    line-height: 1.8;
    background: #1a1a1a;
    overflow-x: hidden;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
}

ul, ol {
    list-style: none;
}

/* ===== ヘッダー ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 40px;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo a {
    display: block;
}

.site-logo img {
    height: 40px;
    width: auto;
}

/* ===== ハンバーガー ===== */
.hamburger {
    background: #ff6600;
    border: none;
    cursor: pointer;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    z-index: 1001;
    position: relative;
    transition: background 0.3s;
}

.hamburger:hover {
    opacity: 0.85;
}

.hamburger-lines {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
    transition: 0.3s;
}

.hamburger-lines span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: 0.3s;
}

.hamburger-text {
    font-family: 'Jost', sans-serif;
    font-size: 0.625rem;
    font-weight: 500;
    color: #fff;
    letter-spacing: 0.08em;
    line-height: 1;
}

.hamburger.is-open .hamburger-lines span:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

.hamburger.is-open .hamburger-lines span:nth-child(2) {
    transform: translateY(-4px) rotate(-45deg);
}

.hamburger.is-open .hamburger-text {
    opacity: 0;
}

/* ===== スマホナビ ===== */
.sp-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    background: #FF6B00;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: 0.4s;
}

.sp-nav.is-open {
    opacity: 1;
    visibility: visible;
}

.sp-nav-list {
    text-align: center;
}

.sp-nav-list li {
    margin-bottom: 32px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.sp-nav.is-open .sp-nav-list li {
    opacity: 1;
    transform: translateY(0);
}

.sp-nav.is-open .sp-nav-list li:nth-child(1) { transition-delay: 0.05s; }
.sp-nav.is-open .sp-nav-list li:nth-child(2) { transition-delay: 0.1s; }
.sp-nav.is-open .sp-nav-list li:nth-child(3) { transition-delay: 0.15s; }
.sp-nav.is-open .sp-nav-list li:nth-child(4) { transition-delay: 0.2s; }
.sp-nav.is-open .sp-nav-list li:nth-child(5) { transition-delay: 0.25s; }
.sp-nav.is-open .sp-nav-list li:nth-child(6) { transition-delay: 0.3s; }
.sp-nav.is-open .sp-nav-list li:nth-child(7) { transition-delay: 0.35s; }
.sp-nav.is-open .sp-nav-list li:nth-child(8) { transition-delay: 0.4s; }
.sp-nav.is-open .sp-nav-list li:nth-child(9) { transition-delay: 0.45s; }
.sp-nav.is-open .sp-nav-list li:nth-child(10) { transition-delay: 0.5s; }

.sp-nav-list li a {
    font-family: 'Jost', sans-serif;
    font-size: 1.25rem;
    font-weight: 500;
    font-style: italic;
    color: #fff;
    letter-spacing: 0.1em;
    transition: opacity 0.3s;
}

.sp-nav-list li a:hover {
    opacity: 0.6;
}

/* ===== 背景動画（固定・切り替え） ===== */
.bg-video-wrap {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    z-index: -1;
    overflow: hidden;
}

.bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.8s ease;
}

.bg-video.is-active {
    opacity: 1;
}

.bg-video--sp {
    display: none;
}

.bg-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

/* ===== ヒーロー ===== */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
}

.hero-content {
    position: relative;
    z-index: 1;
    height: 100vh;
    height: calc(var(--vh, 1vh) * 100);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 40px;
}

.hero-catch {
    margin-bottom: 20px;
}

.hero-catch-en {
    display: block;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    color: #ff6600;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-sub {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.1em;
    margin-bottom: 60px;
}

.hero-scroll {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-scroll-line {
    display: block;
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.5);
    position: relative;
    overflow: hidden;
}

.hero-scroll-line::after {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background: #fff;
    animation: scrollLine 1.5s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

.hero-scroll-text {
    font-family: 'Jost', sans-serif;
    font-size: 0.75rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.1em;
}

/* ===== セクション共通 ===== */
.section-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 40px;
}

.section-label {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.section-num {
    font-family: 'Jost', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    color: #ff6600;
}

.section-en {
    font-family: 'Jost', sans-serif;
    font-size: 0.75rem;
    font-weight: 500;
    font-style: italic;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #ff6600;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 32px;
    color: #fff;
}

.section-text {
    font-size: 1rem;
    line-height: 2;
    max-width: 640px;
    color: #fff;
}

/* ===== 01 About セクション ===== */
.section-subtitle {
    font-family: 'Jost', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    font-style: italic;
    color: #ff6600;
    text-align: center;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-heading-center {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin-bottom: 60px;
}

.section-heading-center .section-num {
    font-family: 'Jost', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
}

.section-heading-center .section-num em {
    font-family: 'Jost', sans-serif;
    font-style: italic;
    font-weight: 600;
}

.section-heading-bar {
    font-size: 1.5rem;
    color: #fff;
}

.section-en-large {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.02em;
}

.section-en-large em {
    font-family: 'Jost', sans-serif;
    font-style: italic;
    font-weight: 600;
}

.about-layout {
    display: flex;
    align-items: flex-start;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-catch {
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.6;
    margin-bottom: 32px;
}

.highlight {
    background: #ff6600;
    color: #fff;
    padding: 2px 8px;
    display: inline-block;
}

.about-desc {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 2;
    margin-bottom: 16px;
}

.about-image {
    flex: 1;
    border-radius: 16px;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

/* ===== 02 Vision セクション ===== */
.section-vision {
    padding: 120px 5%;
}

.vision-layout {
    display: flex;
    gap: 80px;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 5%;
}

.vision-text-area {
    flex: 1;
    text-align: left;
}

.vision-catch-ja {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 32px;
    line-height: 1.6;
    color: #fff;
}

.vision-catch-en {
    font-family: 'Jost', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: #ff6600;
    line-height: 1.3;
    letter-spacing: -0.01em;
    font-style: italic;
    margin-bottom: 32px;
}

.text-orange-box {
    display: inline;
    background: #ff6600;
    color: #fff;
    font-weight: 700;
    padding: 2px 8px;
}

/* ----- ビジョンサイクル図 ----- */
.vision-cycle-wrap {
    flex: 0 0 420px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vc-ring {
    position: relative;
    width: 380px;
    height: 380px;
}

/* 接続線SVG */
.vc-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: visible;
}

/* ノード共通 */
.vc-node {
    position: absolute;
    width: 110px;
    height: 110px;
    border-radius: 50%;
    background: #ff6600;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: 0 4px 20px rgba(255, 102, 0, 0.35);
    z-index: 2;
    transition: transform 0.3s, box-shadow 0.3s;
}

.vc-node:hover {
    box-shadow: 0 6px 30px rgba(255, 102, 0, 0.55);
}

.vc-en {
    font-family: 'Jost', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    font-style: italic;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 4px;
}

.vc-ja {
    font-size: 0.6rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    padding: 2px 8px;
    line-height: 1.4;
    white-space: nowrap;
}

/* ===== お知らせセクション ===== */
.section-subtitle-dark {
    font-family: 'Jost', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    font-style: italic;
    color: #ff6600;
    text-align: center;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-heading-center--dark {
    margin-bottom: 40px;
}

.section-heading-center--dark .section-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
}

.section-heading-bar--dark {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
}

.news-list {
    max-width: 800px;
    margin: 0 auto;
    border-top: 1px solid #e0e0e0;
}

.news-item {
    border-bottom: 1px solid #e0e0e0;
}

.news-item--gray {
    background: #f7f7f7;
}

.news-item a {
    display: block;
    padding: 24px 20px;
    transition: opacity 0.3s;
}

.news-item a:hover {
    opacity: 0.6;
}

.news-date {
    display: block;
    font-size: 0.8125rem;
    color: #999;
    margin-bottom: 6px;
}

.news-title {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.6;
}

/* ===== Features セクション ===== */
.section-features {
    position: relative;
    z-index: 1;
    padding: 120px 5%;
    overflow: hidden;
    margin-bottom: 0;
}

.features-bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 0;
}

.features-bg-video--sp {
    display: none;
}

.features-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.features-inner {
    position: relative;
    z-index: 2;
}

.features-heading {
    text-align: center;
    margin-bottom: 80px;
}

.features-heading .section-heading-center {
    margin-bottom: 0;
}

.features-subtitle {
    font-family: 'Jost', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    color: #ff6600;
    letter-spacing: 0.05em;
    font-style: italic;
    margin-bottom: 16px;
}

.features-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}

.features-title em {
    font-family: 'Jost', sans-serif;
    font-style: italic;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.feature-num {
    font-family: 'Jost', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #ff6600;
    font-style: italic;
    display: block;
    margin-bottom: 8px;
}

.feature-en {
    font-family: 'Jost', sans-serif;
    font-size: 1.125rem;
    font-weight: 600;
    font-style: italic;
    color: #ff6600;
    margin-bottom: 20px;
}

.feature-image {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.feature-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.feature-image:hover img {
    transform: scale(1.08);
}

.feature-label {
    margin-bottom: 16px;
}

.feature-label span {
    display: inline-block;
    background: #ff6600;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 4px;
}

.feature-desc {
    font-size: 0.85rem;
    color: #555;
    line-height: 1.9;
    text-align: left;
}

/* ===== Voice セクション ===== */
.section-voice {
    background: #ff6600;
    padding: 120px 5%;
    margin-top: 0;
}

.section-voice .section-subtitle {
    color: #fff;
}

.section-voice .section-num {
    color: #fff;
}

.section-voice .section-heading-bar {
    color: #fff;
}

.section-voice .section-en-large {
    color: #fff;
}

.voice-swiper {
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.voice-swiper .swiper-wrapper {
    align-items: stretch;
}

.voice-swiper .swiper-slide {
    height: auto;
}

.voice-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 32px;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 400px;
}

.voice-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #eee;
}

.voice-name {
    font-family: 'Jost', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    font-style: italic;
    color: #ff6600;
}

.voice-label {
    font-size: 0.75rem;
    color: #999;
}

.voice-text {
    font-size: 0.9375rem;
    line-height: 2;
    color: #333;
    flex: 1;
}

.voice-button-wrap {
    text-align: center;
    margin-top: 60px;
}

.btn-review {
    display: inline-block;
    background: #fff;
    color: #ff6600;
    font-family: 'Kinto Sans', 'Noto Sans JP', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 16px 48px;
    border-radius: 50px;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: opacity 0.3s ease;
}

.btn-review:hover {
    opacity: 0.7;
}

/* ===== Transfer セクション ===== */
.section-transfer {
    background: #fff;
    position: relative;
    z-index: 1;
}

.transfer-layout {
    display: flex;
    align-items: center;
    gap: 60px;
    max-width: 1100px;
    margin: 0 auto;
}

.transfer-text {
    flex: 1;
}

.transfer-heading {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 32px;
    padding-left: 16px;
    border-left: 4px solid #ff6600;
}

.transfer-area {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 2;
    margin-bottom: 24px;
}

.transfer-note {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.8;
}

.transfer-image {
    flex: 1;
    border-radius: 16px;
    overflow: hidden;
}

.transfer-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.transfer-image:hover img {
    transform: scale(1.05);
}

/* ===== Service セクション ===== */
.section-service {
    background: #ff6600;
    padding: 120px 5%;
    position: relative;
    z-index: 1;
}

.section-service .section-subtitle {
    color: #fff;
}

.section-service .section-num {
    color: #fff;
}

.section-service .section-heading-bar {
    color: #fff;
}

.section-service .section-en-large {
    color: #fff;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
}

.service-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
}

.service-num {
    font-family: 'Jost', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    font-style: italic;
    color: #ff6600;
    display: block;
    text-align: left;
    margin-bottom: 16px;
}

.service-image {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 24px;
}

.service-image img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.service-image:hover img {
    transform: scale(1.05);
}

.service-label {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.service-tag {
    display: inline-block;
    background: #ff6600;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.service-desc {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.9;
    text-align: left;
}

.service-note {
    font-size: 0.8rem;
    color: #999;
    line-height: 1.8;
    text-align: left;
    margin-top: 12px;
}

/* ===== Flow セクション ===== */
.section-flow {
    background: #fff;
    position: relative;
    z-index: 1;
}

.flow-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.flow-accordion {
    background: #f7f7f7;
    border-radius: 12px;
    overflow: hidden;
}

.flow-accordion-btn {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}

.flow-accordion-btn:hover {
    background: #f0f0f0;
}

.flow-accordion-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1a1a1a;
}

.flow-accordion-time {
    display: inline-block;
    background: #ff6600;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 4px;
}

.flow-accordion-icon {
    margin-left: auto;
    width: 20px;
    height: 20px;
    position: relative;
    flex-shrink: 0;
}

.flow-accordion-icon::before,
.flow-accordion-icon::after {
    content: '';
    position: absolute;
    background: #1a1a1a;
    transition: transform 0.3s ease;
}

.flow-accordion-icon::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    transform: translateY(-50%);
}

.flow-accordion-icon::after {
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    transform: translateX(-50%);
}

.flow-accordion.is-open .flow-accordion-icon::after {
    transform: translateX(-50%) rotate(90deg);
    opacity: 0;
}

.flow-accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.flow-list {
    padding: 0 24px 32px;
}

.flow-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid #e5e5e5;
}

.flow-item:last-child {
    border-bottom: none;
}

.flow-dot {
    width: 14px;
    height: 14px;
    border: 2px solid #ff6600;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 4px;
}

.flow-item-content {
    flex: 1;
}

.flow-item-title {
    font-size: 1rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 4px;
}

.flow-item-desc {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.8;
}

.flow-note {
    text-align: center;
    font-size: 0.8rem;
    color: #999;
    margin-top: 40px;
    line-height: 1.8;
}

/* ===== Reason セクション ===== */
.section-reason {
    background: #f5f5f5;
    position: relative;
    z-index: 1;
}

.reason-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.reason-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.reason-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.reason-num {
    font-family: 'Jost', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    font-style: italic;
    color: #ff6600;
    display: block;
    text-align: left;
    margin-bottom: 16px;
}

.reason-image {
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.reason-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.reason-image:hover img {
    transform: scale(1.08);
}

.reason-label {
    margin-bottom: 16px;
}

.reason-label span {
    display: inline-block;
    background: #ff6600;
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 4px 16px;
    border-radius: 4px;
}

.reason-desc {
    font-size: 0.85rem;
    color: #555;
    line-height: 1.9;
    text-align: left;
}

/* ===== Steps セクション ===== */
.section-steps {
    background: #fff;
    position: relative;
    z-index: 1;
}

.steps-horizontal {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
    max-width: 1200px;
    margin: 0 auto;
}

.steps-card {
    flex: 1;
    max-width: 260px;
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.steps-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}

.steps-card-head {
    background: #ff6600;
    padding: 20px 24px;
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.steps-card-step {
    font-family: 'Jost', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.1em;
}

.steps-card-num {
    font-family: 'Jost', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    font-style: italic;
    color: #fff;
    line-height: 1;
}

.steps-card-body {
    padding: 24px;
}

.steps-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
}

.steps-card-desc {
    font-size: 0.85rem;
    color: #555;
    line-height: 1.9;
}

.steps-card-note {
    font-size: 0.75rem;
    color: #999;
    line-height: 1.8;
    margin-top: 8px;
}

.steps-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    flex-shrink: 0;
    position: relative;
}

.steps-arrow::after {
    content: '';
    width: 12px;
    height: 12px;
    border-top: 3px solid #ff6600;
    border-right: 3px solid #ff6600;
    transform: rotate(45deg);
}

/* ===== Map セクション ===== */
.section-map {
    position: relative;
    z-index: 1;
}

.map-wrap {
    width: 100%;
    line-height: 0;
}

.map-wrap iframe {
    width: 100%;
    height: 450px;
    display: block;
}

/* ===== 白背景エリア ===== */
.content-white {
    position: relative;
    z-index: 1;
    background: #fff;
    padding-top: 80px;
    overflow: visible;
}

/* ===== スクロールアニメーション ===== */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: #f5f5f5;
    color: #1a1a1a;
    position: relative;
    z-index: 1;
}

.footer-inner {
    max-width: 1000px;
    margin: 0 auto;
    padding: 80px 40px 40px;
}

.footer-top {
    padding-bottom: 48px;
    border-bottom: 1px solid #e0e0e0;
    margin-bottom: 48px;
}

.footer-brand {
    display: flex;
    align-items: flex-start;
    gap: 32px;
}

.footer-logo-link {
    flex-shrink: 0;
}

.footer-logo-img {
    height: 50px;
    width: auto;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-info-name {
    font-size: 0.75rem;
    font-weight: 700;
    color: #ff6600;
    letter-spacing: 0.05em;
}

.footer-info-address {
    font-size: 0.8rem;
    color: #777;
    line-height: 1.6;
}

.footer-info-tel a {
    font-family: 'Jost', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: #1a1a1a;
    text-decoration: none;
    letter-spacing: 0.05em;
    transition: color 0.3s ease;
}

.footer-info-tel a:hover {
    color: #ff6600;
}

.footer-nav {
    display: flex;
    gap: 60px;
    padding-bottom: 48px;
    border-bottom: 1px solid #e0e0e0;
    margin-bottom: 40px;
}

.footer-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-nav-list li {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-nav-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #ff6600;
    flex-shrink: 0;
}

.footer-nav-list li a {
    font-size: 0.85rem;
    font-weight: 500;
    color: #555;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-nav-list li a:hover {
    color: #ff6600;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-sns {
    display: flex;
    gap: 16px;
}

.footer-sns-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid #ccc;
    color: #999;
    transition: all 0.3s ease;
}

.footer-sns-link:hover {
    background: #ff6600;
    border-color: #ff6600;
    color: #fff;
}

.footer-sns-link svg {
    width: 20px;
    height: 20px;
}

.footer-copy {
    font-family: 'Jost', sans-serif;
    font-size: 0.75rem;
    font-weight: 400;
    color: #aaa;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   レスポンシブ
   ========================================================================== */
@media (max-width: 768px) {

    .bg-video--pc { display: none; }
    .bg-video--sp { display: block; }

    .features-bg-video--pc { display: none; }
    .features-bg-video--sp { display: block; }

    .site-header {
        padding: 16px 20px;
    }

    .hamburger {
        width: 52px;
        height: 52px;
    }

    .hamburger-lines span {
        width: 20px;
    }

    .hero-content {
        padding: 0 20px;
    }

    .section-inner {
        padding: 80px 20px;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-heading-center {
        margin-bottom: 40px;
    }

    .section-en-large {
        font-size: 1.25rem;
    }

    .about-layout {
        flex-direction: column;
        gap: 40px;
    }

    .about-catch {
        font-size: 1.375rem;
    }

    .vision-layout {
        flex-direction: column;
        gap: 40px;
    }

    .vision-catch-ja {
        font-size: 1.375rem;
        text-align: center;
    }

    .vision-catch-en {
        text-align: center;
    }

    .vision-text-area {
        text-align: center;
    }

    /* ----- SP ビジョンサイクル図 ----- */
    .vision-cycle-wrap {
        flex: none;
        width: 100%;
        display: flex;
        justify-content: center;
        margin-top: 30px;
    }

    .vc-ring {
        width: 280px;
        height: 280px;
    }

    .vc-node {
        width: 80px;
        height: 80px;
    }

    .vc-en { font-size: 0.68rem; }
    .vc-ja { font-size: 0.5rem; padding: 1px 6px; }

    .section-features {
        padding: 80px 5%;
        margin-bottom: 0;
    }

    .features-grid {
        display: grid !important;
        grid-template-columns: 1fr !important;
        gap: 60px !important;
        max-width: 320px !important;
        margin: 0 auto !important;
    }

    .feature-image img {
        height: auto;
        aspect-ratio: 1 / 1;
        object-fit: cover;
    }

    .section-voice {
        padding: 80px 5%;
        margin-top: 0;
    }

    .section-voice .section-inner {
        padding: 0;
    }

    .voice-card {
        min-height: auto;
        padding: 32px 24px;
    }

    .transfer-layout {
        flex-direction: column;
        gap: 32px;
    }

    .transfer-heading {
        font-size: 1.25rem;
    }

    .section-service {
        padding: 80px 5%;
    }

    .service-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        max-width: 360px;
    }

    .service-card {
        padding: 32px 24px;
    }

    .service-image img {
        height: 180px;
    }

    .flow-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .flow-accordion-btn {
        padding: 16px 20px;
    }

    .flow-list {
        padding: 0 20px 24px;
    }

    .flow-note {
        text-align: left;
        font-size: 0.75rem;
    }

    .reason-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        max-width: 320px;
        margin: 0 auto;
    }

    .reason-image img {
        height: auto;
        aspect-ratio: 1 / 1;
        object-fit: cover;
    }

    .steps-horizontal {
        flex-direction: column;
        align-items: center;
        gap: 0;
    }

    .steps-card {
        max-width: 100%;
        width: 100%;
    }

    .steps-arrow {
        width: auto;
        height: 32px;
    }

    .steps-arrow::after {
        transform: rotate(135deg);
    }

    .map-wrap iframe {
        height: 300px;
    }

    .footer-inner {
        padding: 60px 24px 32px;
    }

    .footer-brand {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 20px;
    }

    .footer-info {
        align-items: center;
    }

    .footer-nav {
        flex-direction: column;
        gap: 32px;
        align-items: center;
    }

    .footer-nav-list {
        align-items: center;
    }

    .footer-nav-list li::before {
        display: none;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
    }
}

/* ==========================================================================
   追従バナー
   ========================================================================== */
.floating-cta {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    animation: floatingBounce 3s ease-in-out infinite;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.floating-cta.is-visible {
    opacity: 1;
    visibility: visible;
}

.floating-cta-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #ff6600;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 14px 24px;
    border-radius: 50px;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(255, 102, 0, 0.4);
    transition: all 0.3s ease;
}

.floating-cta-btn:hover {
    background: #e55b00;
    box-shadow: 0 6px 28px rgba(255, 102, 0, 0.5);
    transform: scale(1.05);
}

.floating-cta-btn svg {
    flex-shrink: 0;
}

@keyframes floatingBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@media (max-width: 768px) {
    .floating-cta {
        bottom: 16px;
        right: 16px;
    }

    .floating-cta-btn {
        padding: 12px 20px;
        font-size: 0.8rem;
    }
}