@font-face { font-family: 'Zen Kaku Gothic New'; src: url('../assets/fonts/zen-regular.ttf') format('truetype'); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: 'Zen Kaku Gothic New'; src: url('../assets/fonts/zen-bold.ttf') format('truetype'); font-weight: 700; font-style: normal; font-display: swap; }
:root {
  --ink: #252927;
  --muted: #58635e;
  --sage: #b6ccc4;
  --pale: #f1f6f4;
  --line: #c4cfca;
  --dark: #596b64;
  --font: 'Zen Kaku Gothic New', 'Yu Gothic', Meiryo, sans-serif;
  --section: 140px;
}
/* 共通：黒い文字、白地、細い線を軸にする */
* { box-sizing: border-box; }
html { scroll-padding-top: 110px; }
body { margin: 0; color: var(--ink); background: #fff; font: 400 16px/2 var(--font); letter-spacing: .045em; }
body.dialog-open { overflow: hidden; }
h1,h2,h3,p,figure,dl,dd { margin: 0; }
h1,h2,h3 { font-weight: 700; line-height: 1.65; }
h2 { font-size: 26px; }
h3 { font-size: 22px; }
p+p { margin-top: 22px; }
a { color: inherit; text-decoration: none; }
button,select,input { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .45; }
img { display: block; width: 100%; height: auto; object-fit: cover; }
svg { display: block; }
small,.micro { font-size: 14px; }
.micro { line-height: 1.9; color: var(--muted); }
.muted { color: var(--muted); }
:focus-visible { outline: 3px solid #8a663c; outline-offset: 5px; }
.wrap { width: min(1200px,calc(100% - 120px)); margin-inline: auto; }
.section-space { padding-block: var(--section); }
.centered { text-align: center; }
.mobile-only { display: none; }
.eyebrow { font-size: clamp(34px,3.3vw,48px); line-height: 1.15; letter-spacing: -.035em; font-weight: 700; margin-bottom: 15px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 50px; margin-bottom: 70px; }
.section-heading h2 { font-size: 16px; letter-spacing: .055em; }
.section-heading>p { font-size: 16px; line-height: 2.1; margin: 0; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 38px; min-height: 58px; padding: 15px 30px; background: var(--ink); color: #fff; border: 1px solid var(--ink); border-radius: 40px; font-weight: 700; font-size: 16px; line-height: 1.5; transition: background .2s,color .2s; }
.button:hover { background: var(--dark); border-color: var(--dark); }
.button>span { font-family: sans-serif; }
.button-small { min-height: 44px; padding: 10px 23px; font-size: 14px; gap: 23px; }
.text-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 28px; padding: 7px 0; border: 0; border-bottom: 1px dashed #67746d; background: none; font-size: 16px; font-weight: 700; line-height: 1.8; }
.text-link>span { display: inline-grid; place-items: center; width: 23px; height: 16px; border-radius: 5px; background: var(--ink); color: #fff; font-family: sans-serif; font-size: 14px; letter-spacing: 0; }
.text-link:hover { color: #526d60; border-bottom-style: solid; }
.skip-link { position: fixed; z-index: 100; left: 15px; top: -100px; padding: 10px 20px; background: #fff; }
.skip-link:focus { top: 10px; }
.demo-banner { padding: 5px 20px; background: var(--pale); text-align: center; font-size: 14px; line-height: 1.7; }
.site-header { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 24px 3.8%; min-height: 103px; background: #fffffff2; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark { width: 33px; height: 43px; fill: #d7e3dc; stroke: var(--ink); stroke-width: 2; stroke-linejoin: round; }
.brand strong { display: block; font-size: 21px; font-weight: 700; line-height: 1.6; letter-spacing: .06em; }
.brand small { display: block; font: 400 14px/1.7 var(--font); letter-spacing: .025em; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav>a { font-size: 14px; font-weight: 700; white-space: nowrap; }
.main-nav>a:not(.button):hover { text-decoration: underline; text-underline-offset: 7px; }
.menu-toggle { display: none; }
/* ヒーロー：文章と主写真の軸をずらし、余白に小さな体験写真を添える */
.hero { position: relative; padding-top: 65px; overflow: clip; }
.hero-copy { position: relative; z-index: 2; padding-bottom: 42px; }
.hero-kicker { font-size: 14px; letter-spacing: .08em; margin-bottom: 22px; }
.hero h1 { font-size: clamp(30px,2.65vw,40px); letter-spacing: .075em; line-height: 1.7; }
.hero-description { font-size: 16px; line-height: 1.9; margin-top: 22px; }
.hero-cta { margin-top: 24px; }
.hero-copy>.micro { margin-top: 12px; }
.hero-gallery { position: relative; max-width: 1560px; margin: 0 auto; padding: 0 0 100px; }
.hero-main-photo { position: relative; z-index: 1; width: 68%; margin-left: 29%; }
.hero-main-photo>img { aspect-ratio: 1.9; object-position: center 53%; }
.hero-main-photo figcaption { font-size: 14px; margin-top: 18px; }
.hero-detail-photo { position: absolute; z-index: 2; width: 17%; max-width: 235px; left: 6%; top: 33%; }
.hero-detail-photo>img { aspect-ratio: 1; border-radius: 50%; object-position: 26% center; }
.hero-detail-photo figcaption { font-size: 14px; margin-top: 14px; text-align: center; }
.hero-illustration { position: absolute; width: 230px; top: -240px; right: 5%; object-fit: contain; mix-blend-mode: multiply; }
.hero-orbit { position: absolute; left: -5%; top: 12%; width: 28%; height: 72%; background: #e4eeea; border-radius: 50%; transform: rotate(-25deg); }
.hero-gallery:after { content: ''; position: absolute; top: 22%; right: 0; height: 66%; width: 56%; background: #f4f6f4; transform: translateY(25%); }
.hero-gallery .image-credit { position: relative; z-index: 3; text-align: right; width: 94%; font-size: 14px; margin-top: 28px; color: var(--muted); }
.hero-bottom { display: flex; align-items: center; justify-content: space-between; gap: 25px; border-block: 1px solid var(--line); padding-block: 26px; }
.hero-bottom>p { display: flex; align-items: center; gap: 25px; }
.hero-bottom>p>span:first-child { font-size: 16px; font-weight: 700; }
.hero-bottom strong { font-size: 36px; line-height: 1.2; font-weight: 400; letter-spacing: -.04em; }
.hero-bottom strong small { letter-spacing: .02em; margin-left: 5px; }
.hero-bottom .text-link { font-size: 14px; }
.sample-tag { display: inline-block; font-size: 14px; line-height: 1.5; border: 1px solid var(--line); padding: 4px 9px; }
/* 導入：中央の文章を、体験と学校の写真で囲む */
.intro { padding-top: 170px; padding-bottom: 160px; }
.intro-scene { position: relative; min-height: 620px; padding-top: 35px; }
.intro-copy { position: relative; z-index: 2; text-align: center; max-width: 660px; margin: 0 auto; }
.intro-copy .eyebrow { font-size: 18px; margin-bottom: 28px; letter-spacing: .025em; font-weight: 400; }
.intro-copy h2 { font-size: 28px; line-height: 1.85; margin-bottom: 38px; }
.intro-copy>p:not(.eyebrow) { font-size: 17px; line-height: 2.4; }
.intro-copy>p+p { margin-top: 35px; }
.intro-copy .text-link { margin-top: 38px; }
.intro-photo { position: absolute; z-index: 1; }
.intro-photo figcaption { font-size: 14px; margin-top: 14px; }
.intro-photo-one { width: 185px; right: -12px; top: 95px; }
.intro-photo-one img { aspect-ratio: .75; border-radius: 95px 95px 0 0; object-position: 60% center; }
.intro-photo-two { width: 230px; left: -28px; bottom: -10px; }
.intro-photo-two img { aspect-ratio: 1.25; }
.intro-line { position: absolute; left: 4%; top: -20px; width: 140px; stroke: #a8c0b5; stroke-width: 3; fill: none; }
/* 体験：均等カードから、写真を大きく見せる紹介の行へ */
.program { background: var(--pale); }
.program-grid { display: grid; gap: 52px; margin-left: 70px; }
.program-card { display: grid; grid-template-columns: 1fr 1fr; gap: 45px; padding: 35px; border-top: 1px solid #6d7c74; background: #fff; align-items: center; }
.program-card>figure { grid-column: 2; grid-row: 1; position: relative; }
.program-card>figure>img { aspect-ratio: 1.18; }
.program-number { display: flex; align-items: center; gap: 12px; font-size: 24px; font-weight: 400; margin-top: 15px; line-height: 1.4; }
.program-number i { font-style: normal; font-size: 14px; }
.program-body { grid-column: 1; grid-row: 1; }
.category { font-size: 14px; font-weight: 700; border-left: 3px solid #8da89a; padding-left: 12px; line-height: 1.6; }
.program-body h3 { font-size: 32px; line-height: 1.65; letter-spacing: .09em; margin-block: 22px; }
.program-body>p:not(.category) { max-width: 28em; line-height: 2; }
.program-body dl { margin-block: 25px; font-size: 14px; }
.program-body dl>div { display: grid; grid-template-columns: 105px 1fr; gap: 15px; border-top: 1px solid var(--line); padding-block: 9px; }
.program-body dt { color: var(--muted); }
.program-body dd { font-size: 16px; }
.program-body .text-link { font-size: 14px; }
.program-notice { margin: 27px 0 0 70px; }
.undecided { display: flex; align-items: center; justify-content: center; gap: 40px; padding-top: 42px; }
.undecided p { font-size: 17px; font-weight: 700; }
.undecided .text-link { font-size: 14px; }
/* 比較表 */
.course-table { width: calc(100% - 70px); margin-left: 70px; border-collapse: collapse; font-size: 16px; text-align: left; }
.course-table caption { text-align: left; font-size: 14px; margin-bottom: 22px; }
.course-table caption span { margin-left: 10px; color: var(--muted); }
.course-table th,.course-table td { padding: 23px 22px; border-bottom: 1px solid var(--line); font-weight: 400; vertical-align: top; line-height: 1.9; }
.course-table thead th { background: #e7efeb; font-weight: 700; border-top: 1px solid #6d7c74; }
.course-table tbody th { background: #f7f9f7; width: 20%; font-size: 14px; }
.course-table td { width: 26.66%; }
.compare>.micro { margin: 24px 0 0 70px; }
/* キャンパス：施設の主写真と実習室を、白い余白でつなぐ */
.campus { background: var(--pale); overflow: clip; }
.campus .wrap { position: relative; }
.campus .wrap:before { content: ''; position: absolute; right: 0; top: 200px; width: 40%; height: 500px; border: 45px solid #fff; pointer-events: none; }
.campus-panorama { position: relative; width: 78%; margin-left: 12%; }
.campus-panorama img { aspect-ratio: 1.8; }
.campus-panorama figcaption { margin-top: 23px; display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.campus-panorama figcaption>span { font-size: 14px; }
.campus-panorama figcaption strong { font-size: 18px; }
.campus-bottom { position: relative; display: grid; grid-template-columns: 1.2fr .8fr; gap: 100px; align-items: center; margin: 80px 4% 0 20%; }
.campus-bottom h3 { font-size: 26px; margin-block: 25px; }
.campus-bottom figure { align-self: start; margin-top: 50px; }
.campus-bottom img { aspect-ratio: .9; }
.campus-bottom figcaption { font-size: 14px; margin-top: 14px; }
.campus-bottom .micro { margin-top: 18px; }
/* 時刻と順序をつなぐ工程図 */
.timeline { display: grid; grid-template-columns: repeat(4,1fr); list-style: none; padding: 0; margin: 0 0 35px 70px; gap: 0; }
.timeline li { position: relative; padding: 0 30px 0 0; display: grid; grid-template-rows: auto auto 1fr auto; }
.timeline time { display: block; font-size: 33px; line-height: 1.3; padding-bottom: 46px; font-weight: 400; letter-spacing: -.035em; }
.timeline li:after { content: ''; position: absolute; top: 62px; height: 1px; background: #a6bab0; left: 0; width: 100%; }
.timeline li:last-child:after { width: 10px; }
.timeline-dot { position: absolute; width: 9px; height: 9px; border: 1px solid #84998e; border-radius: 50%; top: 58px; left: 0; background: #fff; z-index: 1; }
.timeline-featured .timeline-dot { background: #829d8e; box-shadow: 0 0 0 6px #e7efeb; }
.timeline h3 { font-size: 19px; margin-bottom: 15px; }
.timeline p { font-size: 16px; line-height: 1.9; }
.flow-label { display: block; margin-top: 25px; font-size: 14px; }
.flow>.micro { margin-left: 70px; }
/* 個別相談・学費の内訳 */
.consultation { background: #f7f8f5; }
.consultation-grid { display: grid; grid-template-columns: 1fr .85fr; align-items: center; gap: 100px; }
.consultation h2 { font-size: 16px; margin-bottom: 38px; }
.consultation-grid>div>p:not(.eyebrow):not(.micro) { line-height: 2.2; }
.consult-topics { list-style: none; padding: 0; margin: 30px 0; }
.consult-topics li { padding: 11px 0 11px 25px; border-bottom: 1px solid var(--line); position: relative; }
.consult-topics li:before { content: '✓'; position: absolute; left: 0; color: #688171; }
.cost-sheet { background: #fff; padding: 40px 34px; border-top: 1px solid #6d7c74; }
.cost-sheet .eyebrow { font-size: 16px; font-weight: 400; margin-bottom: 22px; letter-spacing: .03em; }
.cost-sheet h3 { font-size: 27px; line-height: 1.8; }
.cost-parts { display: grid; grid-template-columns: 1fr 18px 1fr 18px 1fr; align-items: center; gap: 5px; margin: 32px 0 20px; }
.cost-parts>div { display: flex; flex-direction: column; align-items: center; justify-content: center; align-self: stretch; padding: 16px 5px; background: #eaf0eb; text-align: center; }
.cost-parts span { font-size: 14px; line-height: 1.5; margin-bottom: 10px; }
.cost-parts strong { font-size: 18px; font-weight: 400; line-height: 1.8; }
.cost-parts b { font-size: 16px; text-align: center; font-weight: 400; }
.cost-result { font-size: 16px; text-align: center; border-top: 1px solid var(--line); padding-top: 16px; font-weight: 700; }
.cost-sheet>p:not(.eyebrow) { font-size: 16px; margin-top: 24px; }
.cost-sheet>p.micro { font-size: 14px; }
/* 日程 */
.schedule-meta { display: flex; align-items: center; gap: 35px; padding-bottom: 25px; margin-left: 70px; font-size: 16px; }
.schedule-meta small { margin-left: 15px; }
.schedule-meta>.sample-tag { margin-left: auto; }
.date-list { margin-left: 70px; border-top: 1px solid #6d7c74; }
.date-row { display: grid; grid-template-columns: 230px 1fr auto; align-items: center; gap: 35px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.date-big { display: flex; align-items: baseline; gap: 10px; line-height: 1; }
.date-big>span:first-child,.date-big strong { font-size: 55px; font-weight: 400; letter-spacing: -.03em; }
.date-slash { font-size: 43px; font-weight: 400; color: #94aa9e; }
.weekday { font-size: 16px; line-height: 1.5; margin-left: 7px; }
.weekday small { font-size: 14px; }
.date-description h3 { font-size: 19px; }
.date-description p { font-size: 14px; margin-top: 6px; }
.date-button { display: flex; gap: 30px; align-items: center; border: 1px solid #9aac9f; background: #fff; border-radius: 40px; padding: 11px 20px; font-size: 14px; min-height: 46px; }
.date-button:hover { background: var(--pale); }
.participation { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin: 40px 0 25px 70px; }
.participation p { border-left: 2px solid #9aafa1; padding-left: 20px; margin: 0; }
.participation strong { display: block; font-size: 16px; }
.participation span { display: block; font-size: 14px; }
.schedule>.micro { margin-left: 70px; }
/* 架空のアクセス模式図 */
.access { background: var(--pale); }
.access-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 100px; }
.access .eyebrow { font-size: clamp(31px,2.8vw,41px); }
.access h2 { font-size: 16px; margin-bottom: 44px; }
.access-name { font-size: 21px; font-weight: 700; }
.access-name span { display: block; font-size: 14px; font-weight: 400; margin-top: 7px; }
.preparation { margin-top: 35px; font-size: 16px; }
.preparation>div { display: grid; grid-template-columns: 105px 1fr; gap: 25px; padding: 16px 0; border-top: 1px solid var(--line); }
.preparation dt { font-size: 14px; font-weight: 700; }
.access-map { margin-top: 100px; }
.map-canvas { position: relative; }
.map-canvas svg { width: 100%; border-radius: 100px 0 0; }
.map-label { position: absolute; font-size: 16px; line-height: 1.6; letter-spacing: 0; color: var(--ink); }
.map-school { top: 13%; left: 49%; width: 43%; padding: 8px 4px; text-align: center; background: var(--dark); color: #fff; font-size: 16px; }
.map-station { left: 13%; bottom: 8%; width: 34%; text-align: center; background: var(--dark); color: #fff; font-size: 16px; padding: 5px 3px; }
.map-exit { left: 36%; bottom: 21%; font-size: 14px; }
.map-park { top: 28%; left: 8%; font-size: 16px; }
.map-walk { left: 39%; top: 44%; font-size: 18px; }
.map-walk small { display: block; font-size: 14px; }
.map-north { right: 9%; bottom: 15%; font-size: 14px; }
.access-map figcaption { display: flex; justify-content: space-between; gap: 10px; font-size: 14px; margin-top: 24px; }
/* よくある質問 */
.faq .section-heading { margin-bottom: 45px; }
.faq-list { margin-left: 200px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; align-items: center; gap: 25px; list-style: none; cursor: pointer; font-size: 17px; padding: 25px 10px; }
.faq summary::-webkit-details-marker { display: none; }
.q { font-size: 22px; color: #5f7d6b; flex-shrink: 0; }
.plus { width: 20px; height: 20px; position: relative; margin-left: auto; flex-shrink: 0; }
.plus:before,.plus:after { content: ''; position: absolute; background: #65736a; }
.plus:before { width: 18px; height: 1px; top: 10px; left: 1px; }
.plus:after { width: 1px; height: 18px; top: 1px; left: 10px; }
.faq details[open] .plus:after { display: none; }
.faq-answer { padding: 0 50px 28px 62px; line-height: 2.1; }
/* 終盤の予約：落ち着いたグレーグリーンに白い操作面 */
.reservation { background: var(--dark); color: #fff; }
.reservation-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; align-items: center; }
.reservation h2 { font-size: 30px; line-height: 1.8; margin: 28px 0; }
.reservation-copy>p { font-size: 17px; line-height: 2.3; }
.reservation-copy>p.eyebrow { font-size: 48px; line-height: 1.2; }
.reservation-copy>.micro { color: #fff; font-size: 14px; line-height: 1.9; }
.reservation-info { margin-block: 35px; padding-block: 23px; border-block: 1px solid #ffffff60; }
.reservation-info>span { display: block; font-size: 14px; }
.reservation-info>strong { font-size: 24px; }
.reservation-info p { font-size: 16px; margin-top: 10px; }
.reservation-form-panel { background: #fff; color: var(--ink); padding: 42px; }
.form-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; border-bottom: 1px solid var(--line); padding-bottom: 22px; font-size: 22px; font-weight: 700; }
.form-heading>span:last-child { font-size: 14px; font-weight: 400; }
.form-disclaimer { font-size: 14px; line-height: 2; margin: 23px 0 30px; }
form label { display: block; font-size: 16px; margin: 22px 0 10px; }
.required { display: inline-block; padding: 0 5px; border: 1px solid #9daaa2; font-size: 14px; line-height: 1.5; margin-left: 10px; }
select { width: 100%; min-height: 58px; padding: 12px 28px 12px 15px; font-size: 16px; border: 1px solid #a8b2ab; border-radius: 0; background: #fff; }
.date-help { font-size: 14px; margin-top: 8px; }
.selection-status { min-height: 26px; margin: 18px 0 12px; color: #536d5c; font-size: 14px; line-height: 1.7; }
.form-submit { width: 100%; font-size: 16px; }
.form-submit+.micro { margin-top: 14px; }
.noscript-notice { padding: 15px; background: var(--pale); font-size: 14px; }
/* フッター・デモダイアログ */
.site-footer { background: #62766b; color: #fff; padding-block: 70px 30px; }
.site-footer .brand-mark { fill: #d5e2d9; stroke: #fff; }
.site-footer .text-link { border-color: #ffffffa0; }
.site-footer .text-link>span { background: #fff; color: var(--ink); }
.site-footer .text-link:hover { color: #fff; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 25px; }
.footer-top>.text-link { font-size: 14px; }
.footer-bottom { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-top: 42px; padding-top: 27px; border-top: 1px solid #ffffff55; }
.footer-bottom p,.footer-bottom small { font-size: 14px; }
dialog { width: min(590px,calc(100% - 40px)); max-height: calc(100dvh - 40px); padding: 46px; border: 0; background: #fff; color: var(--ink); overflow: auto; }
dialog::backdrop { background: #27332bea; }
dialog .eyebrow { font-size: 16px; letter-spacing: .07em; margin-bottom: 25px; }
dialog h2 { font-size: 26px; margin-bottom: 22px; }
.dialog-close { position: absolute; right: 13px; top: 9px; width: 42px; height: 42px; padding: 0; background: none; border: 0; font-size: 30px; line-height: 1; }
.dialog-note { font-size: 14px; line-height: 2; }
.review-list { margin: 25px 0 30px; }
.review-list>div { display: grid; grid-template-columns: 100px 1fr; gap: 15px; border-top: 1px solid var(--line); padding: 16px 0; font-size: 16px; }
.review-list dt { font-size: 14px; color: var(--muted); }
dialog .button { width: 100%; }
.dialog-back { margin-top: 20px; }
.completion-next { margin-block: 30px; background: var(--pale); padding: 23px; }
.completion-next h3 { font-size: 18px; margin-bottom: 12px; }
#complete-step>p { font-size: 16px; line-height: 2.1; }
#complete-step strong { font-weight: 700; }
[hidden] { display: none !important; }
/* 中間幅 */
@media (max-width: 1100px) {
  .main-nav { gap: 17px; }
  .brand strong { font-size: 18px; }
  .wrap { width: calc(100% - 80px); }
  .program-grid,.course-table,.date-list,.schedule-meta,.participation,.program-notice,.compare>.micro,.flow>.micro,.schedule>.micro { margin-left: 0; }
  .course-table { width: 100%; }
  .program-card { gap: 28px; padding: 30px; }
  .intro-photo-one { width: 135px; right: -15px; top: 30px; }
  .intro-photo-two { width: 160px; left: -15px; bottom: -75px; }
  .intro-line { width: 100px; left: 1%; }
  .intro-copy { max-width: 590px; }
  .consultation-grid,.access-grid,.reservation-grid { gap: 50px; }
  .campus-bottom { margin-left: 12%; gap: 55px; }
  .timeline { margin-left: 0; }
  .timeline li { padding-right: 23px; }
  .date-row { grid-template-columns: 210px 1fr auto; gap: 20px; }
  .faq-list { margin-left: 120px; }
  .map-school { font-size: 14px; left: 45%; width: 49%; padding: 6px 3px; }
  .map-station { font-size: 14px; left: 8%; width: 39%; }
  .map-park,.map-exit,.map-north { font-size: 14px; }
  .map-walk { font-size: 16px; }
}
@media (max-width: 980px) {
  :root { --section: 105px; }
  .site-header { min-height: 86px; padding-block: 17px; }
  .menu-toggle { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 7px; border: 0; background: none; padding: 3px; min-width: 60px; min-height: 48px; }
  .menu-lines { width: 25px; height: 12px; border-block: 1px solid var(--ink); position: relative; }
  .menu-label { font-size: 14px; line-height: 1.2; }
  .menu-toggle[aria-expanded='true'] .menu-lines { border: 0; }
  .menu-toggle[aria-expanded='true'] .menu-lines:before,.menu-toggle[aria-expanded='true'] .menu-lines:after { content: ''; position: absolute; left: 0; top: 6px; width: 25px; height: 1px; background: var(--ink); transform: rotate(45deg); }
  .menu-toggle[aria-expanded='true'] .menu-lines:after { transform: rotate(-45deg); }
  .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 10px 35px 30px; max-height: calc(100dvh - 90px); overflow: auto; }
  .main-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav>a:not(.button) { display: block; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
  .main-nav>.button { margin-top: 18px; font-size: 16px; }
  .hero { padding-top: 55px; }
  .hero h1 { font-size: 31px; }
  .hero-illustration { width: 160px; right: 3%; top: -160px; }
  .hero-bottom { align-items: flex-start; }
  .hero-bottom>p { flex-wrap: wrap; gap: 16px; }
  .hero-bottom>p>span:first-child { width: 100%; }
  .hero-bottom .text-link { flex-shrink: 0; margin-top: 35px; }
  .hero-bottom strong { font-size: 30px; }
  .hero-bottom .sample-tag { font-size: 14px; }
  .intro { padding-block: 110px 145px; }
  .intro-scene { padding-top: 100px; }
  .intro-copy h2 { font-size: 26px; }
  .intro-photo-one { top: -20px; width: 110px; }
  .intro-photo-two { width: 130px; bottom: -95px; }
  .section-heading { align-items: flex-start; gap: 30px; }
  .section-heading>p { max-width: 40%; }
  .program-card { gap: 25px; padding: 30px 25px; }
  .program-body h3 { font-size: 27px; }
  .program-card>figure>img { aspect-ratio: .85; }
  .program-body dl>div { grid-template-columns: 1fr; gap: 0; }
  .course-table th,.course-table td { padding: 17px 12px; }
  .course-table td br { display: none; }
  .campus-bottom { margin-left: 5%; gap: 40px; }
  .campus-bottom h3 { font-size: 23px; }
  .timeline { grid-template-columns: 1fr 1fr; row-gap: 60px; }
  .timeline li:nth-child(2):after { width: 10px; }
  .consultation-grid,.access-grid { grid-template-columns: 1fr; gap: 50px; }
  .consultation-grid>div:first-child,.access-grid>div { max-width: 680px; }
  .cost-sheet { width: 78%; margin-left: auto; }
  .date-row { grid-template-columns: 205px 1fr 55px; }
  .date-button { width: 48px; height: 48px; padding: 0; justify-content: center; }
  .date-button>span:first-child { display: none; }
  .schedule-meta { flex-wrap: wrap; gap: 15px 30px; }
  .schedule-meta>.sample-tag { margin-left: 0; }
  .access-map { width: 75%; margin: 0 0 0 auto; }
  .map-label { font-size: 16px; }
  .map-exit,.map-north,.map-park { font-size: 14px; }
  .faq-list { margin-left: 60px; }
  .reservation-grid { gap: 40px; grid-template-columns: .8fr 1fr; }
  .reservation-form-panel { padding: 30px 25px; }
  .reservation h2 { font-size: 26px; }
  .reservation-copy>p.eyebrow { font-size: 39px; }
  .form-heading { font-size: 20px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
/* スマホ：写真・図表を残し、読む順序を縦に組み直す */
@media (max-width: 700px) {
  :root { --section: 80px; }
  html { scroll-padding-top: 95px; }
  body { font-size: 16px; letter-spacing: .035em; }
  .wrap { width: calc(100% - 44px); }
  .section-heading { display: block; margin-bottom: 38px; }
  .section-heading>p { max-width: none; margin-top: 25px; font-size: 16px; }
  .section-heading>p br { display: none; }
  .eyebrow { font-size: 36px; margin-bottom: 13px; }
  .section-heading h2 { font-size: 14px; }
  .button { font-size: 16px; padding-inline: 23px; gap: 22px; }
  .text-link { font-size: 14px; gap: 20px; }
  .site-header { min-height: 80px; padding: 14px 20px; gap: 10px; }
  .brand { gap: 8px; }
  .brand-mark { width: 27px; height: 34px; }
  .brand strong { font-size: 18px; letter-spacing: .02em; }
  .brand small { font-size: 14px; letter-spacing: -.025em; }
  .menu-toggle { min-width: 50px; }
  .demo-banner { font-size: 14px; padding: 5px 18px; }
  .main-nav { padding-inline: 24px; }
  .hero { padding-top: 38px; }
  .hero-copy { padding-bottom: 43px; }
  .hero-kicker { font-size: 14px; line-height: 1.8; letter-spacing: .025em; max-width: 270px; margin-bottom: 19px; }
  .hero h1 { font-size: clamp(23px,6.5vw,34px); line-height: 1.85; letter-spacing: .02em; }
  .hero-description { font-size: 16px; margin-top: 22px; }
  .hero-description br { display: none; }
  .hero-cta { margin-top: 22px; }
  .hero-copy>.micro { font-size: 14px; line-height: 1.9; margin-top: 13px; max-width: 300px; }
  .hero-gallery { padding-bottom: 123px; }
  .hero-main-photo { width: 86%; margin-left: 14%; }
  .hero-main-photo>img { aspect-ratio: 1.22; object-position: 42% center; }
  .hero-main-photo figcaption { font-size: 14px; line-height: 1.8; margin: 17px 22px 0 18px; }
  .hero-detail-photo { width: 112px; left: 6%; top: auto; bottom: 8px; }
  .hero-detail-photo figcaption { font-size: 14px; margin-top: 8px; }
  .hero-illustration { width: 119px; right: 10px; top: auto; bottom: 4px; }
  .hero-orbit { width: 170px; height: 210px; left: -90px; top: 20%; }
  .hero-gallery:after { width: 70%; top: 15%; height: 55%; }
  .hero-gallery .image-credit { font-size: 14px; text-align: left; width: calc(100% - 44px); margin: 185px auto 0; }
  .hero-gallery { padding-bottom: 0; }
  .hero-detail-photo { bottom: 52px; }
  .hero-illustration { bottom: 74px; }
  .hero-bottom { margin-top: 40px; display: block; padding-block: 25px; }
  .hero-bottom>p { gap: 15px 20px; }
  .hero-bottom>p>span:first-child { font-size: 14px; }
  .hero-bottom strong { font-size: 37px; }
  .hero-bottom>p>span:not(:first-child) { font-size: 14px; }
  .hero-bottom>.text-link { margin-top: 20px; }
  .intro { padding-block: 90px 80px; }
  .intro-scene { min-height: 0; padding-top: 105px; padding-bottom: 235px; }
  .intro-copy .eyebrow { font-size: 17px; margin-bottom: 22px; }
  .intro-copy h2 { font-size: 24px; line-height: 1.9; margin-bottom: 34px; }
  .intro-copy>p:not(.eyebrow) { font-size: 16px; line-height: 2.3; }
  .intro-copy .mobile-only { display: initial; }
  .intro-copy>p+p { margin-top: 30px; }
  .intro-copy .text-link { margin-top: 30px; }
  .intro-line { top: -10px; left: 2%; width: 78px; }
  .intro-photo-one { top: -12px; right: 5px; width: 90px; }
  .intro-photo-one img { aspect-ratio: 1; border-radius: 50%; }
  .intro-photo-one figcaption { display: none; }
  .intro-photo-two { bottom: 0; left: 13%; width: 74%; }
  .intro-photo-two img { aspect-ratio: 1.8; }
  .intro-photo-two figcaption { text-align: center; }
  .program-grid { gap: 40px; }
  .program-card { display: flex; flex-direction: column; gap: 27px; padding: 25px 22px 30px; align-items: stretch; }
  .program-card>figure { order: 0; }
  .program-card>figure>img { aspect-ratio: 1.25; }
  .program-number { font-size: 21px; gap: 10px; margin-top: 13px; }
  .program-number i { font-size: 14px; letter-spacing: 0; }
  .program-body { order: 1; }
  .program-body h3 { font-size: 27px; margin-block: 18px; }
  .program-body dl { margin-block: 25px; }
  .program-body dl>div { grid-template-columns: 1fr; gap: 3px; padding-block: 12px; }
  .program-body .text-link { width: 100%; }
  .program-notice { font-size: 14px; margin-top: 24px; }
  .undecided { display: block; padding-top: 30px; text-align: center; }
  .undecided p { font-size: 16px; }
  .undecided .text-link { margin-top: 15px; }
  .course-table,.course-table tbody,.course-table tr,.course-table th,.course-table td { display: block; width: 100%; }
  .course-table thead { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); }
  .course-table caption { display: block; font-size: 14px; }
  .course-table caption span { display: block; margin: 0; }
  .course-table tbody th { padding: 13px 16px; background: #e8efeb; font-size: 16px; font-weight: 700; border-top: 1px solid #a8bbb0; width: 100%; }
  .course-table td { display: grid; grid-template-columns: 115px 1fr; gap: 12px; padding: 17px 6px; font-size: 16px; }
  .course-table td:before { content: attr(data-label); font-size: 14px; font-weight: 700; }
  .course-table tbody tr+tr { margin-top: 28px; }
  .compare>.micro { margin-top: 22px; }
  .campus .wrap:before { display: none; }
  .campus-panorama { width: 94%; margin-left: 6%; }
  .campus-panorama img { aspect-ratio: 1.18; }
  .campus-panorama figcaption { display: block; margin-top: 20px; }
  .campus-panorama figcaption span { font-size: 14px; }
  .campus-panorama figcaption strong { display: block; font-size: 18px; margin-top: 5px; }
  .campus-bottom { display: block; margin: 43px 0 0; }
  .campus-bottom h3 { font-size: 23px; margin-block: 22px; }
  .campus-bottom figure { width: 78%; margin: 37px 0 0 auto; }
  .campus-bottom img { aspect-ratio: 1.3; }
  .campus-bottom figcaption { font-size: 14px; }
  .timeline { display: block; margin-top: 10px; }
  .timeline li { display: grid; grid-template-columns: 78px 1fr; column-gap: 29px; padding: 0 0 40px; }
  .timeline li:last-child { padding-bottom: 0; }
  .timeline time { grid-column: 1; grid-row: 1/4; font-size: 27px; padding: 0; }
  .timeline li:after,.timeline li:nth-child(2):after { left: 90px; top: 15px; height: 100%; width: 1px; }
  .timeline li:last-child:after { display: none; }
  .timeline-dot { top: 14px; left: 86px; }
  .timeline h3 { font-size: 20px; grid-column: 2; margin-bottom: 10px; }
  .timeline p { grid-column: 2; }
  .flow-label { grid-column: 2; margin-top: 18px; }
  .flow>.micro { margin-top: 30px; }
  .consultation-grid,.access-grid { gap: 38px; }
  .consultation h2,.access h2 { font-size: 14px; margin-bottom: 30px; }
  .consultation-grid>div>p br { display: none; }
  .consult-topics { margin-block: 25px; }
  .cost-sheet { width: 100%; padding: 28px 23px; }
  .cost-sheet h3 { font-size: 26px; }
  .cost-parts { gap: 3px; grid-template-columns: 1fr 14px 1fr 14px 1fr; }
  .cost-parts strong { font-size: 17px; }
  .cost-parts span { font-size: 14px; }
  .cost-parts>div { padding-inline: 3px; }
  .cost-result { font-size: 16px; }
  .schedule-meta { gap: 15px 23px; padding-bottom: 22px; }
  .schedule-meta>span:nth-child(2) { width: 100%; }
  .schedule-meta small { font-size: 14px; margin-left: 8px; }
  .date-row { grid-template-columns: 1fr 50px; gap: 20px 12px; padding: 25px 0; }
  .date-big { grid-column: 1; grid-row: 1; }
  .date-big>span:first-child,.date-big strong { font-size: 48px; }
  .date-slash { font-size: 34px; }
  .weekday { font-size: 14px; }
  .date-description { grid-column: 1/3; grid-row: 2; }
  .date-description h3 { font-size: 18px; }
  .date-button { grid-column: 2; grid-row: 1; }
  .participation { grid-template-columns: 1fr; gap: 23px; margin-block: 30px 24px; }
  .participation p { padding-left: 17px; }
  .access .eyebrow { font-size: 31px; }
  .access-name { font-size: 21px; }
  .access-grid>div>p br { display: none; }
  .preparation>div { grid-template-columns: 86px 1fr; gap: 12px; }
  .preparation dd br { display: none; }
  .access-map { width: 100%; }
  .map-canvas svg { border-radius: 60px 0 0; }
  .map-school { font-size: 14px; left: 43%; width: 53%; padding: 6px 3px; }
  .map-station { font-size: 14px; left: 7%; width: 41%; }
  .map-walk { font-size: 16px; left: 39%; }
  .map-walk small { font-size: 14px; max-width: 8em; }
  .map-exit { font-size: 14px; left: 35%; bottom: 21%; }
  .map-north { right: 7%; bottom: 14%; }
  .access-map figcaption { display: block; }
  .access-map figcaption span { display: block; margin-top: 3px; }
  .faq-list { margin-left: 0; }
  .faq summary { gap: 14px; padding: 22px 0; font-size: 16px; align-items: flex-start; line-height: 1.8; }
  .q { font-size: 21px; }
  .plus { margin-top: 5px; }
  .faq-answer { padding: 0 7px 25px 37px; font-size: 16px; }
  .reservation-grid { grid-template-columns: 1fr; gap: 40px; }
  .reservation-copy>p.eyebrow { font-size: 40px; }
  .reservation h2 { font-size: 28px; margin-block: 25px; }
  .reservation-copy>p { font-size: 16px; }
  .reservation-info { margin-block: 26px; }
  .reservation-form-panel { padding: 29px 22px; }
  .form-heading { display: block; font-size: 21px; }
  .form-heading>span:last-child { display: block; margin-top: 8px; font-size: 14px; }
  .form-disclaimer { margin-block: 20px; }
  select { padding-left: 12px; }
  .form-submit { font-size: 15px; gap: 10px; padding-inline: 19px; }
  .site-footer { padding-block: 45px 26px; }
  .footer-top { flex-direction: column; align-items: flex-start; gap: 25px; }
  .footer-bottom { gap: 20px; margin-top: 28px; }
  .footer-bottom p br { display: none; }
  dialog { width: calc(100% - 28px); max-height: calc(100dvh - 28px); padding: 48px 23px 26px; }
  dialog h2 { font-size: 24px; }
  .review-list>div { grid-template-columns: 1fr; gap: 5px; }
  dialog .button { font-size: 15px; padding-inline: 18px; }
  .completion-next { padding: 19px; }
  .completion-next h3 { font-size: 17px; }
}
@media (max-width: 359px) {
  .wrap { width: calc(100% - 36px); }
  .site-header { padding-inline: 15px; }
  .brand { gap: 6px; }
  .brand strong { font-size: 16px; }
  .brand small { font-size: 14px; letter-spacing: -.045em; }
  .brand-mark { width: 23px; }
  .hero h1 { font-size: 22px; }
  .hero-kicker { max-width: 240px; }
  .hero-detail-photo { width: 103px; }
  .hero-illustration { width: 110px; }
  .hero-main-photo figcaption { margin-left: 8px; }
  .intro-copy h2 { font-size: 22px; }
  .intro-scene { padding-bottom: 210px; }
  .intro-copy>p:not(.eyebrow) { letter-spacing: 0; }
  .program-card { padding-inline: 19px; }
  .program-body h3 { font-size: 25px; }
  .course-table td { grid-template-columns: 103px 1fr; gap: 10px; padding-inline: 1px; }
  .cost-sheet { padding-inline: 15px; }
  .cost-parts strong { font-size: 16px; }
  .date-big { gap: 7px; }
  .date-big>span:first-child,.date-big strong { font-size: 43px; }
  .timeline li { grid-template-columns: 70px 1fr; column-gap: 24px; }
  .timeline time { font-size: 25px; }
  .timeline li:after,.timeline li:nth-child(2):after { left: 79px; }
  .timeline-dot { left: 75px; }
  .timeline h3 { font-size: 18px; }
  .reservation-form-panel { padding-inline: 17px; }
  .form-submit { padding-inline: 13px; font-size: 14px; }
  .access .eyebrow { font-size: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  *,*:before,*:after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}