/* ファーストステップのホームページ（2026-11-02 作り直し）。
   方針: 写真が主役・白い地にたっぷりの余白・差し色は1色だけ。どこからでも「体験予約」に1タップで行ける。
   色は :root を変えるだけで全体が変わる。差し色はロゴの赤（#fe0000）に近く、白い文字が読める濃さ（白と5.4:1・帯の地と5.0:1）。 */
:root {
  --ink: #222222;
  --sub: #6b6b6b;        /* 補足の文字（白と5.3:1・薄い帯と4.9:1） */
  --bg: #ffffff;
  --tint: #f6f5f3;       /* 交互の帯 */
  --line: #e3e5e8;
  --accent: #d7000f;     /* 差し色（ボタン・英字の見出し）。ロゴの赤 #fe0000 は白い字が読めない（4.0:1）ので少し深く */
  --accent-dark: #b0000c;
  --dark: #141414;       /* 写真が読めないときの最初の画面・下の帯 */
  --script: "Caveat", "Segoe Script", cursive;
  --jp: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "YuGothic", Meiryo, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }   /* .btn などの display 指定より「隠す」を優先 */
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: var(--jp);
  font-size: 15px; line-height: 2; letter-spacing: .04em; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; }
.sp { display: inline; }
.pc { display: none; }
@media (min-width: 768px) { .sp { display: none; } .pc { display: inline; } body { font-size: 16px; } }

/* ---------- ヘッダー（最初の画面の上に重ねる） ---------- */
.hd { position: absolute; top: 0; left: 0; right: 0; z-index: 20; height: 88px; display: flex; align-items: center; justify-content: center; }
.menu-btn { position: absolute; left: 14px; top: 22px; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer;
  display: flex; flex-direction: column; justify-content: center; gap: 8px; padding: 0 6px; }
.menu-btn i { display: block; height: 1.5px; background: #fff; transition: transform .2s, opacity .2s; }
.logo { display: block; margin-top: 18px; }
.logo img { width: 150px; height: auto; filter: drop-shadow(0 1px 8px rgba(0, 0, 0, .35)); }
@media (min-width: 768px) { .hd { height: 120px; } .menu-btn { left: 32px; top: 38px; width: 52px; } .logo { margin-top: 36px; } .logo img { width: 210px; } }

/* メニュー（白い全面の板） */
.nav { position: fixed; inset: 0; z-index: 40; background: rgba(255, 255, 255, .98); display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 28px; padding: 24px; }
.nav[hidden] { display: none; }
.nav ul { list-style: none; margin: 0; padding: 0; text-align: center; }
.nav li a { display: block; padding: 10px 0; color: var(--ink); text-decoration: none; font-size: 1.05rem; letter-spacing: .12em; }
body.nav-open .menu-btn { position: fixed; z-index: 50; }
body.nav-open .menu-btn i { background: var(--ink); }
body.nav-open .menu-btn i:nth-child(1) { transform: translateY(9.5px) rotate(45deg); }
body.nav-open .menu-btn i:nth-child(2) { opacity: 0; }
body.nav-open .menu-btn i:nth-child(3) { transform: translateY(-9.5px) rotate(-45deg); }

/* ---------- 最初の画面（写真＋細かい点の網） ---------- */
/* 写真は会員みんなの集合写真（人は中央〜下寄り）。スマホは真ん中を見せて文字を下に、PCは文字を左に寄せる */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: flex-end; justify-content: center;
  text-align: center; color: #fff; overflow: hidden;
  background: var(--dark) url("images/hero.jpg") 50% 50% / cover no-repeat; }
@media (min-width: 768px) {
  .hero { align-items: center; justify-content: flex-start; text-align: left; background-position: center 65%; }
  .hero-text { padding-left: 8vw; margin-top: 0; }
  .hero .area { padding-left: 0; }
}
.hero::before { content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(0, 0, 0, .32) 1px, transparent 1.3px);
  background-size: 4px 4px; }
.hero::after { content: ""; position: absolute; inset: 0; background: rgba(10, 10, 10, .34); }
.hero-text { position: relative; z-index: 1; padding: 0 20px; margin-bottom: 20vh; }
.hero h1 { margin: 0; font-size: clamp(1.7rem, 7.4vw, 3rem); font-weight: 700; letter-spacing: .2em; line-height: 1.7;
  text-shadow: 0 2px 16px rgba(0, 0, 0, .25); }
.hero .script { margin: 6px 0 0; color: #fff; font-size: clamp(1.9rem, 7vw, 2.8rem); }
.hero .area { margin: 18px 0 0; font-size: .78rem; letter-spacing: .4em; padding-left: .4em; }
.scroll { position: absolute; z-index: 1; bottom: 18px; left: 50%; transform: translateX(-50%); font-size: .62rem; letter-spacing: .3em;
  padding-bottom: 46px; }
.scroll::after { content: ""; position: absolute; left: 50%; bottom: 0; width: 1px; height: 38px; background: rgba(255, 255, 255, .8); }

/* ---------- セクション ---------- */
.sec { padding: 88px 24px; }
.sec > * { max-width: 960px; margin-left: auto; margin-right: auto; }
.sec.tint { background: var(--tint); }
.head { text-align: center; margin-bottom: 44px; }
.script { font-family: var(--script); color: var(--accent); font-size: 1.9rem; line-height: 1.1; letter-spacing: .02em; margin: 0; font-weight: 600; }
.head h2 { margin: 6px 0 0; font-size: 1.45rem; font-weight: 700; letter-spacing: .14em; line-height: 1.7; }
.head .lead { margin: 14px 0 0; color: var(--sub); }
.text { margin: 0 auto 40px; max-width: 640px; }          /* スマホは左そろえ（長い文の中央そろえは読みにくい）・PCは中央 */
@media (min-width: 768px) { .text { text-align: center; } }
.center { text-align: center; }
@media (min-width: 768px) { .sec { padding: 120px 32px; } .head h2 { font-size: 1.75rem; } .script { font-size: 2.2rem; } }

/* 写真の枠（写真が届いたら <img class="photo"> に差し替える） */
.ph { display: flex; align-items: center; justify-content: center; background: #e8ebef; color: #6f7782; font-size: .8rem; letter-spacing: .1em; }
.ph.wide { aspect-ratio: 16 / 9; }
.ph.square { aspect-ratio: 4 / 3; }
.ph.map { aspect-ratio: 16 / 9; margin-bottom: 32px; }
.photo { width: 100%; height: auto; object-fit: cover; }   /* height:auto で img の height 属性より aspect-ratio を効かせる */

/* 目的 */
.purpose { list-style: none; margin: 0 auto; padding: 0; display: grid; gap: 40px; }
.purpose h3 { margin: 18px 0 4px; font-size: 1.05rem; letter-spacing: .1em; }
.purpose p { margin: 0; color: var(--sub); }
@media (min-width: 768px) { .purpose { grid-template-columns: repeat(3, 1fr); gap: 28px; } }

/* 体験の流れ */
.steps { list-style: none; margin: 0 auto 44px; padding: 0; display: grid; gap: 0; }
.steps li { padding: 22px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 64px 1fr; column-gap: 8px; }
.steps li:last-child { border-bottom: 1px solid var(--line); }
.steps .num { grid-row: span 2; font-family: "Helvetica Neue", Arial, sans-serif; color: var(--accent); font-size: 1.7rem; font-weight: 300; line-height: 1.2; }
.steps h3 { margin: 0; font-size: 1.02rem; letter-spacing: .1em; line-height: 1.5; }
.steps p { margin: 4px 0 0; color: var(--sub); }
@media (min-width: 768px) {
  .steps { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .steps li, .steps li:last-child { border: 0; border-top: 1px solid var(--ink); grid-template-columns: 1fr; padding-top: 18px; }
  .steps .num { grid-row: auto; margin-bottom: 8px; }
}

.info { margin: 0 auto 44px; max-width: 640px; }
.info div { display: grid; grid-template-columns: 7em 1fr; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.info div:first-child { border-top: 1px solid var(--line); }
.info dt { font-weight: 700; }
.info dd { margin: 0; }

/* 表（料金・営業時間） */
.tbl { width: 100%; max-width: 640px; border-collapse: collapse; }
.tbl th, .tbl td { padding: 18px 8px; border-bottom: 1px solid var(--line); text-align: left; font-weight: 400; }
.tbl tr:first-child th, .tbl tr:first-child td { border-top: 1px solid var(--line); }
.tbl th { width: 42%; font-weight: 700; }
.note { color: var(--sub); font-size: .9rem; }

/* ボタン（四角に近い形・差し色1色・右に細い線） */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 58px; padding: 0 40px;
  background: var(--accent); color: #fff; text-decoration: none; font-weight: 700; letter-spacing: .14em; border: 0; border-radius: 2px;
  font-family: inherit; font-size: 1rem; cursor: pointer; }
.btn::after { content: ""; width: 18px; height: 1px; background: currentColor; }
.btn:hover { background: var(--accent-dark); }
.btn.wide { width: 100%; margin-top: 24px; }
.btn[disabled] { opacity: .6; cursor: wait; }
.link-more { color: var(--ink); text-decoration: none; letter-spacing: .12em; border-bottom: 1px solid var(--ink); padding-bottom: 4px; }

/* よくある質問 */
.faq { max-width: 720px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 36px 20px 34px; position: relative; font-weight: 700; line-height: 1.7; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q"; position: absolute; left: 4px; top: 18px; font-family: "Helvetica Neue", Arial, sans-serif; color: var(--accent); font-weight: 400; font-size: 1.1rem; }
.faq summary::after { content: ""; position: absolute; right: 8px; top: 30px; width: 10px; height: 10px; border-right: 1.5px solid var(--sub);
  border-bottom: 1.5px solid var(--sub); transform: rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(-135deg); top: 34px; }
.faq details p { margin: 0 0 20px; padding-left: 34px; color: var(--sub); }

/* 体験予約のフォーム */
.booking { max-width: 640px; background: #fff; padding: 28px 22px; border: 1px solid var(--line); }
@media (min-width: 768px) { .booking { padding: 44px 48px; } }
.notice { background: var(--tint); padding: 14px 16px; margin: 0 0 24px; white-space: pre-line; font-size: .92rem; }
.step { margin: 28px 0 10px; font-weight: 700; letter-spacing: .1em; }
.step:first-of-type { margin-top: 0; }
[data-slots] label:first-child { margin-top: 0; }
.day { border: 0; padding: 0; margin: 0 0 16px; }
.day legend { font-weight: 700; padding: 0; margin: 0 0 8px; font-size: .95rem; }
.slots { display: flex; flex-wrap: wrap; gap: 8px; }
.slot { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 0 16px; border: 1px solid #c9ced5; cursor: pointer;
  font-weight: 700; margin: 0; letter-spacing: .04em; background: #fff; }
.slot small { font-weight: 400; color: var(--sub); font-size: .8rem; }
.slot input { width: auto; margin: 0; padding: 0; accent-color: var(--accent); }   /* 下の input の width:100% を打ち消す */
.slot:has(input:checked) { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); background: #fff3f3; }
.slot.full { opacity: .45; cursor: not-allowed; }
label { display: block; font-weight: 700; margin: 18px 0 6px; font-size: .92rem; }
label small { font-weight: 400; color: var(--sub); }
input, select, textarea { width: 100%; font: inherit; letter-spacing: .02em; padding: 13px 14px; border: 1px solid #b9bfc7; border-radius: 2px;
  background: #fff; color: var(--ink); }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.agree { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin-top: 22px; line-height: 1.7; }
.agree input { width: auto; margin: 5px 0 0; padding: 0; accent-color: var(--accent); }
.error { color: #b3261e; font-weight: 700; margin: 14px 0 0; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.loading { color: var(--sub); margin: 0; text-align: center; }
.fallback { text-align: center; }
.done { text-align: center; }
.done-title { margin: 6px 0 0; font-size: 1.3rem; font-weight: 700; letter-spacing: .1em; }
.done-when { margin: 10px 0 16px; font-size: 1.6rem; font-weight: 700; color: var(--accent); letter-spacing: .06em; }

/* まだ決まっていない所（公開前に全部埋めて、この印を消す） */
.todo { background: #fff6bf; color: #5a4a00; padding: 0 4px; }

/* ---------- 下の帯 ---------- */
.ft { background: var(--dark); color: #d9dde3; text-align: center; padding: 64px 24px 140px; }
.ft-logo img { width: 170px; height: auto; margin: 0 auto; }
.ft-addr { margin: 20px 0 0; font-size: .85rem; line-height: 1.9; }
.ft-addr a { color: #fff; }
.ft-links { margin: 28px 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 22px; font-size: .88rem; }
.ft-links a { color: #fff; text-decoration: none; }
.copy { margin: 28px 0 0; font-size: .72rem; letter-spacing: .2em; opacity: .7; }

/* ---------- 浮いている丸いボタン（どこからでも体験予約へ） ---------- */
.float-cta { position: fixed; right: 14px; bottom: 16px; z-index: 30; width: 104px; height: 104px; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center;
  background: var(--accent); color: #fff; text-decoration: none; font-weight: 700; font-size: 1rem; letter-spacing: .08em; line-height: 1.4;
  border: 4px solid #fff; box-shadow: 0 6px 22px rgba(0, 0, 0, .22); transition: opacity .2s, transform .2s; }
.float-cta .small { font-size: .62rem; letter-spacing: .06em; font-weight: 400; }
.float-cta.hide { opacity: 0; transform: scale(.9); pointer-events: none; }
@media (min-width: 768px) { .float-cta { width: 150px; height: 150px; right: 32px; bottom: 32px; font-size: 1.2rem; border-width: 5px; } .float-cta .small { font-size: .72rem; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .float-cta, .faq summary::after, .menu-btn i { transition: none; } }

/* ---------- 写真が入ってからの部品（2026-11-02） ---------- */
.about { display: grid; gap: 32px; align-items: center; }
.about .photo { aspect-ratio: 3 / 2; }
.wants { list-style: none; margin: 0 0 24px; padding: 0; }
.wants li { padding: 12px 0 12px 22px; border-bottom: 1px solid var(--line); position: relative; font-weight: 700; letter-spacing: .08em; }
.wants li:first-child { border-top: 1px solid var(--line); }
.wants li::before { content: ""; position: absolute; left: 2px; top: 50%; width: 8px; height: 8px; margin-top: -4px; background: var(--accent); }
.about .text { margin: 0; }
@media (min-width: 768px) { .about { grid-template-columns: 1fr 1fr; gap: 56px; } .about .text { text-align: left; } }

.programs { display: grid; gap: 40px; }
.program { background: #fff; }
.program .photo { aspect-ratio: 4 / 3; object-position: center 40%; }
.program .photo.tall { aspect-ratio: 4 / 3; object-position: center 35%; }   /* 縦の写真は顔のある上寄りを見せる */
.program-body { padding: 24px 22px 28px; }
.program .tag { display: inline-block; margin: 0; padding: 2px 10px; border: 1px solid var(--accent); color: var(--accent); font-size: .78rem; font-weight: 700; letter-spacing: .1em; line-height: 1.8; }
.program h3 { margin: 10px 0 8px; font-size: 1.35rem; letter-spacing: .14em; }
.program-body > p { margin: 0 0 18px; }
.meta { margin: 0; }
.meta div { display: grid; grid-template-columns: 4.5em 1fr; gap: 10px; padding: 10px 0; border-top: 1px solid var(--line); font-size: .92rem; line-height: 1.8; }
.meta dt { font-weight: 700; }
.meta dd { margin: 0; }
@media (min-width: 768px) { .programs { grid-template-columns: 1fr 1fr; gap: 32px; } }

.trainer { display: grid; gap: 28px; align-items: start; }
.trainer .photo { aspect-ratio: 618 / 500; object-position: top; filter: grayscale(1) contrast(1.05); }   /* 下の黒い帯は切る */
.name { margin: 0 0 14px; font-size: 1.4rem; font-weight: 700; letter-spacing: .2em; }
.name span { display: block; font-family: var(--script); color: var(--accent); font-size: 1.4rem; letter-spacing: .02em; font-weight: 600; }
.career { list-style: none; margin: 0 0 22px; padding: 0; }
.career li { padding: 8px 0; border-bottom: 1px solid var(--line); font-weight: 700; letter-spacing: .06em; font-size: .95rem; }
.career li:first-child { border-top: 1px solid var(--line); }
.trainer .text { margin: 0 0 14px; text-align: left; }
@media (min-width: 768px) { .trainer { grid-template-columns: 5fr 7fr; gap: 56px; } }

.tbl th small, .tbl td small { display: block; font-weight: 400; color: var(--sub); font-size: .8rem; letter-spacing: .02em; }

.gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.gallery .photo { aspect-ratio: 1 / 1; }
.gallery .g-wide { grid-column: 1 / -1; aspect-ratio: 3 / 2; }   /* 横長の2枚は、スマホでは幅いっぱい・PCでは2枚並び */
@media (min-width: 768px) { .gallery { grid-template-columns: repeat(4, 1fr); gap: 12px; } .gallery .g-wide { grid-column: span 2; } }

.map { margin: 0 auto 32px; max-width: 960px; aspect-ratio: 16 / 9; background: #e8e8e6; }
.map iframe { width: 100%; height: 100%; border: 0; display: block; }
.info a { color: var(--ink); }

/* 電話番号・郵便番号を途中で折り返さない（2026-11-11 笹原さん「電話番号が途中で隙間が空いている」） */
a[href^="tel:"], .nowrap { white-space: nowrap; }