/* NET-BASE のページは、ロゴの「NET」の赤を帯と強調の色にする（TAMA-BASE は青緑のまま。2026-10-22 西山さん） */
:root { --teal: #B61F1F; }
/* 帯だけは落ち着いたえんじ（ロゴの赤のままだとどぎつい。2026-10-22 西山さん A 案） */
.sec--teal { background: #8E2F2F; }

/* NET-BASE（/netbase/）だけの部品。色・角丸・余白は DESIGN_RULES.md の約束から。クラスは nb- で始める */

.nb-center { max-width: 720px; margin-left: auto; margin-right: auto; }
.nb-small { font-size: .6em; letter-spacing: .04em; }
.nb-sp { display: none; }

/* 0. キャンペーン帯（11/1 に外す） */
.nb-camp { padding: 28px 0; }
.nb-camp__in { display: flex; align-items: center; justify-content: space-between; gap: 20px 32px; flex-wrap: wrap; }
.nb-camp__label { font-family: var(--head); font-weight: 800; font-size: 14px; letter-spacing: .04em; }
.nb-camp__title { font-family: var(--head); font-weight: 800; font-size: 24px; line-height: 1.3; letter-spacing: .02em; margin-top: 4px; }
.nb-camp__title b { font-size: 34px; }
.nb-camp__title em { font-style: normal; font-family: "Quicksand", var(--head); font-weight: 700; font-size: 44px; line-height: 1; }
.nb-camp__sub { font-size: 13px; margin-top: 8px; max-width: 640px; }

/* 1. ヒーロー：左にロゴ＋名前、右に一言と 24時間365日。右下から2人（下端は次の帯のふち） */
.nb-hero { position: relative; overflow: hidden; padding: 48px 0 72px; }
.nb-hero__grid { grid-template-columns: 340px 1fr; align-items: center; }
.nb-hero__h1 { margin: 0; }
.nb-hero__h1 .base__logo { width: 300px; }
.nb-hero__name { display: block; margin-top: 14px; font-family: var(--head); font-weight: 800; color: var(--ink); font-size: 30px; line-height: 1.2; letter-spacing: .04em; }
.nb-hero__name i { font-style: normal; }
.nb-hero__name .n { color: var(--red); }
.nb-hero__name .b { color: var(--orange); }
.nb-hero__catch { display: block; margin-top: 6px; font-family: var(--head); font-weight: 800; color: var(--ink); font-size: 14px; letter-spacing: .04em; }
.nb-hero__org { font-family: var(--head); font-weight: 800; color: var(--teal); font-size: 14px; letter-spacing: .04em; margin-bottom: 8px; }
.nb-hero__sub { text-align: left; }
.nb-hero .base__facts { margin-top: 20px; }
.fx .nb-hero .base__facts .big em { color: var(--teal); }
.nb-hero .base__facts .big { color: var(--ink); }
.nb-note { font-size: 12px; margin-top: 4px; }
.nb-hero .btns { margin-top: 24px; }
.nb-hero__chara { position: absolute; right: 3%; bottom: 0; width: 200px; pointer-events: none; }


/* 2. とは？：左に見出し、右に3つ（箱にしない） */
.nb-about { display: grid; grid-template-columns: 1fr 1.5fr; gap: 32px 56px; align-items: start; }
.nb-about__head .h-big { text-align: left; }
.nb-about__list { display: grid; gap: 32px; }
.nb-about__list li { display: grid; grid-template-columns: 180px 1fr; gap: 24px; align-items: center; }
.nb-about__list img, .nb-about__list .ph { width: 180px; aspect-ratio: 4 / 3; object-fit: cover; }
.nb-about__list h3 { margin-bottom: 4px; }

/* 3. 秘密基地の中：大きな2部屋＋小さな4部屋。画面の写真は角を丸めない */
.nb-tour { position: relative; overflow: hidden; padding-bottom: 0; }
.nb-tour .lead { text-align: center; }
.nb-room img, .nb-room .ph { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.nb-room h3 { margin: 14px 0 4px; }
.nb-room--wide { display: grid; grid-template-columns: 7fr 5fr; gap: 20px 40px; align-items: center; margin-top: 56px; }
.nb-room--wide h3 { margin-top: 0; }
.nb-room--rev { grid-template-columns: 5fr 7fr; }
.nb-room--rev img { order: 2; }
.nb-games { display: flex; flex-wrap: wrap; gap: 4px 20px; margin-top: 14px; font-weight: 500; color: var(--ink); }
.nb-games li { position: relative; padding-left: 14px; }
.nb-games li::before { content: ""; position: absolute; left: 0; top: .8em; width: 6px; height: 6px; background: var(--teal); }
.nb-games__more { margin-top: 6px; font-family: var(--head); font-weight: 800; color: var(--ink); }
.nb-games__more em { font-style: normal; color: var(--teal); font-size: 22px; margin-left: 4px; }
.nb-rooms { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 48px 32px; margin-top: 64px; }
.nb-ask { text-align: center; margin-top: 72px; padding-bottom: 96px; }
.nb-ask p + p { margin-top: 8px; }
.nb-tour__chara { position: absolute; left: calc(50% + 300px); bottom: 0; width: 150px; pointer-events: none; }

/* 4. 過ごし方：2つの時間を大きく、白い板に1日の時間表 */
.nb-times { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 56px; max-width: 880px; margin: 48px auto 0; }
.nb-times__when { margin: 6px 0 10px; font-family: var(--head); font-weight: 800; }
.nb-times__when span { display: block; font-size: 13px; letter-spacing: .06em; }
.nb-times__when em { font-style: normal; display: block; font-family: "Quicksand", var(--head); font-weight: 700; font-size: 40px; line-height: 1.15; letter-spacing: 0; }
.nb-day { max-width: 880px; margin: 48px auto 0; padding: 36px 44px; }
.nb-day__head { display: flex; justify-content: space-between; align-items: baseline; gap: 4px 20px; flex-wrap: wrap; }
.sec--teal .nb-day h3 { color: var(--teal); font-size: 19px; }
.nb-day__head p { font-size: 12px; }
.nb-tl { display: grid; grid-template-columns: repeat(24, 1fr); gap: 2px; height: 36px; margin-top: 20px; }
.nb-tl i, .nb-legend i { background: #DDE3E4; }
.nb-tl .staff, .nb-legend .staff { background: var(--teal); }
.nb-tl .learn, .nb-legend .learn { background: var(--ink); }
.nb-tl__labels { display: flex; justify-content: space-between; font-size: 11px; color: #666; margin-top: 4px; letter-spacing: 0; }
.nb-legend { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 20px; font-size: 13px; }
.nb-legend li { display: flex; align-items: center; gap: 8px; }
.nb-legend i { display: inline-block; width: 14px; height: 14px; flex: 0 0 auto; }
.nb-legend b { font-weight: 700; color: var(--ink); }

/* 5. メンバーと一緒に：7月→いま を大きな数字で */
.nb-grow__title { text-align: center; margin-top: 56px; }
.nb-grow { display: grid; grid-template-columns: 1fr 1.6fr; gap: 32px 64px; max-width: 880px; margin: 36px auto 0; align-items: start; }
.nb-grow__num { font-family: var(--head); font-weight: 800; color: var(--ink); font-size: 26px; line-height: 1; }
.nb-grow__num span { display: block; font-size: 14px; letter-spacing: .06em; margin-bottom: 6px; }
.nb-grow__num em { font-style: normal; font-family: "Quicksand", var(--head); font-weight: 700; font-size: 96px; line-height: .95; letter-spacing: -.03em; margin-right: 4px; color: var(--ink); }
.nb-grow__col--now .nb-grow__num em { color: var(--teal); }
.nb-grow__plus { font-family: var(--head); font-weight: 800; color: var(--ink); margin-top: 8px; }
.nb-grow__rooms { display: flex; flex-wrap: wrap; gap: 2px 18px; margin-top: 14px; font-size: 14px; }
.nb-grow__rooms li.new { color: var(--teal); font-weight: 700; }
.nb-grow__foot { text-align: center; margin-top: 40px; font-family: var(--head); font-weight: 800; color: var(--ink); font-size: 18px; letter-spacing: .02em; }
.nb-born__title { text-align: center; margin-top: 80px; }
.nb-born { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 28px 40px; margin-top: 28px; }
.nb-born b { display: block; font-family: var(--head); font-weight: 800; color: var(--teal); font-size: 17px; letter-spacing: .02em; margin-bottom: 6px; }

/* 6. リアル：写真6枚。角は丸めない */
.nb-tight-top { padding-top: 24px; }
.nb-gal { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; margin-top: 36px; }
.nb-gal img, .nb-gal .ph { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.nb-gal figcaption { font-size: 12px; margin-top: 6px; }

/* 7. 料金：青緑の帯に白い板1枚。3つは余白で分ける */
#plans .lead { text-align: center; }
.nb-camp-note { display: block; font-family: var(--head); font-weight: 800; font-size: 14px; margin-top: 2px; }
.nb-plans { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 40px 44px; margin-top: 36px; padding: 44px 44px 40px; }
.nb-plan { position: relative; }
.nb-plan__hot { position: absolute; bottom: 100%; left: 0; font-family: var(--head); font-weight: 800; color: var(--orange); font-size: 14px; letter-spacing: .06em; margin-bottom: 2px; }
.sec--teal .nb-plan h3 { color: var(--ink); font-size: 20px; }
.nb-plan__for { font-size: 14px; margin-top: 6px; min-height: 3.8em; }
.nb-plan__month { margin-top: 12px; font-family: var(--head); font-weight: 800; color: var(--ink); font-size: 14px; }
.nb-plan__month em { font-style: normal; font-family: "Quicksand", var(--head); font-weight: 700; color: var(--teal); font-size: 44px; line-height: 1; letter-spacing: -.01em; margin: 0 2px 0 8px; }
.nb-plan__in { font-size: 14px; margin-top: 4px; }
.nb-plan__in:has(.nb-camp-p) .nb-plan__reg { text-decoration: line-through; color: #888; }
.nb-camp-p { font-family: var(--head); font-weight: 800; color: var(--ink); font-size: 18px; margin-left: 8px; }
.nb-plan__in small { display: block; font-size: 12px; line-height: 1.6; color: #666; }
.nb-plan__list { margin-top: 18px; display: grid; gap: 6px; font-size: 14px; line-height: 1.7; }
.nb-plan__list li { position: relative; padding-left: 14px; }
.nb-plan__list li::before { content: ""; position: absolute; left: 0; top: .7em; width: 6px; height: 6px; background: var(--teal); }
.nb-plan__list a { color: var(--teal); }
.nb-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 56px; margin-top: 48px; }
.nb-opts h3 { margin-bottom: 6px; font-size: 19px; }
.nb-cmp { margin-top: 40px; text-align: center; }
.nb-cmp b { white-space: nowrap; font-family: var(--head); font-weight: 800; font-size: 24px; letter-spacing: .02em; }

/* 8. FAQ：左に見出し、右に問い。線も箱も使わず、間をあける */
.nb-faq { display: grid; grid-template-columns: 260px 1fr; gap: 24px 56px; align-items: start; }
.nb-faq .h-big { text-align: left; }
.nb-faq__list { display: grid; gap: 22px; }
.nb-faq__list summary { position: relative; list-style: none; cursor: pointer; padding-left: 36px; font-family: var(--head); font-weight: 800; color: var(--ink); font-size: 17px; line-height: 1.6; letter-spacing: .02em; }
.nb-faq__list summary::-webkit-details-marker { display: none; }
.nb-faq__list summary::before { content: "Q"; position: absolute; left: 0; top: -2px; font-family: "Quicksand", var(--head); font-weight: 700; font-size: 22px; color: var(--teal); }
.nb-faq__list summary::after { content: ""; display: inline-block; width: 7px; height: 7px; margin-left: 12px; border-right: 2.5px solid var(--teal); border-bottom: 2.5px solid var(--teal); transform: translateY(-4px) rotate(45deg); transition: transform .2s ease; }
.nb-faq__list details[open] summary::after { transform: translateY(-1px) rotate(-135deg); }
.nb-faq__list details p { padding: 8px 0 0 36px; }

/* 9. 申込：青緑の帯の上に呼びかけ、白い板に説明会。板の上のふちから1人 */
.nb-join { text-align: center; }
.nb-join .lead { font-size: 16px; }
.nb-join__when { font-size: 14px; margin-top: 10px; }
.nb-join .btns { margin-top: 24px; }
.nb-join__promise { display: flex; justify-content: center; flex-wrap: wrap; gap: 4px 28px; margin-top: 20px; font-family: var(--head); font-weight: 800; font-size: 14px; }
.nb-join__promise li { position: relative; padding-left: 14px; }
.nb-join__promise li::before { content: ""; position: absolute; left: 0; top: .75em; width: 6px; height: 6px; background: #fff; }
.nb-join__ask { font-size: 13px; margin-top: 16px; }
.nb-join__ask a { color: #fff; }
.nb-brief { position: relative; max-width: 760px; margin: 190px auto 0; padding: 40px 48px; }
.nb-brief__chara { position: absolute; right: 48px; bottom: 100%; width: 80px; }
.sec--teal .nb-brief h3 { color: var(--teal); }
.nb-brief dl { display: grid; grid-template-columns: 4em 1fr; gap: 6px 12px; margin: 18px 0 14px; }
.nb-brief dt { font-family: var(--head); font-weight: 800; color: var(--ink); }
.nb-brief .btns { margin-top: 20px; }

@media (max-width: 860px) {
  .nb-camp__title { font-size: 20px; }
  .nb-camp__title b { font-size: 28px; }
  .nb-camp__title em { font-size: 36px; }

  .nb-sp { display: inline; }
  .nb-hero { padding: 32px 0 176px; }
  .nb-hero__grid { grid-template-columns: 1fr; }
  .nb-hero__h1 { text-align: center; }
  .nb-hero__h1 .base__logo { width: 220px; margin: 0 auto; }
  .nb-hero__name { font-size: 26px; }
  .nb-hero__chara { width: 140px; right: 16px; }

  .nb-about { grid-template-columns: 1fr; }
  .nb-about__list li { grid-template-columns: 110px 1fr; gap: 16px; align-items: start; }
  .nb-about__list img, .nb-about__list .ph { width: 110px; }

  .nb-room--wide, .nb-room--rev { grid-template-columns: 1fr; margin-top: 40px; }
  .nb-room--rev img { order: 0; }
  .nb-rooms { grid-template-columns: 1fr; gap: 36px; margin-top: 40px; }
  .nb-ask { margin-top: 56px; padding-bottom: 170px; }
  .nb-tour__chara { width: 130px; left: auto; right: 16px; }

  .nb-times { grid-template-columns: 1fr; margin-top: 36px; }
  .nb-times__when em { font-size: 34px; }
  .nb-day { padding: 28px 22px; margin-top: 36px; }
  .nb-tl { height: 28px; gap: 1px; }

  .nb-grow { grid-template-columns: 1fr; gap: 28px; }
  .nb-grow__num em { font-size: 72px; }
  .nb-born { grid-template-columns: 1fr; gap: 22px; }
  .nb-born__title { margin-top: 56px; }

  .nb-gal { grid-template-columns: 1fr 1fr; }

  .nb-plans { grid-template-columns: 1fr; gap: 64px; padding: 32px 24px; }
  .nb-plan__for { min-height: 0; }
  .nb-opts { grid-template-columns: 1fr; }

  .nb-faq { grid-template-columns: 1fr; }
  .nb-faq .h-big { text-align: center; }
  .nb-cmp b { display: inline-block; margin-top: 4px; }
  .nb-faq__list summary { font-size: 16px; }

  .nb-brief { padding: 32px 24px; margin-top: 130px; }
  .nb-brief__chara { right: 24px; width: 64px; }
  .nb-brief dl { grid-template-columns: 1fr; gap: 0; }
  .nb-brief dd + dt { margin-top: 8px; }
}
@media (prefers-reduced-motion: reduce) { .nb-faq__list summary::after { transition: none; } }

/* スタディルームの画面は横に長いので、切り詰めずに全体を見せる */
.nb-room img.nb-room__full { aspect-ratio: 1545 / 687; }

/* 一番上は、西山さんが作ったタイトル画像を使う（TAMA-BASE のページとそろえる。2026-10-22）。画像に2人がいるので、別の絵は置かない */
.nb-hero { padding: 32px 0 48px; }
.nb-hero__img { margin: 0; }
.nb-hero__img img { width: 100%; aspect-ratio: 1366 / 604; }
.nb-hero__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px 48px; align-items: end; margin-top: 32px; }
@media (max-width: 860px) {
  .nb-hero { padding: 20px 0 36px; }
  .nb-hero__grid { grid-template-columns: 1fr; margin-top: 24px; }
}