/* ===== R08 サポートセンター一覧 ===== */
  .rsc-page {
    --rsc-fg: #000;
    --rsc-fg-2: #444;
    --rsc-fg-3: #888;
    --rsc-line: #e7e7e7;
    --rsc-line-2: #f0f0f0;
    --rsc-bg: #ffffff;
    --rsc-bg-2: #fafafa;
    --rsc-accent: #6cafc0;
    --rsc-accent-deep: #4a93a6;
    --rsc-accent-soft: #eaf4f7;
    --rsc-radius: 14px;
    --rsc-ease: cubic-bezier(.22, .61, .36, 1);
    --rsc-text: clamp(.82rem, .94vw, 1rem);
    color: var(--rsc-fg);
    background: var(--rsc-bg);
    font-size: var(--rsc-text);
    line-height: 1.8;
    font-feature-settings: "palt";
    -webkit-font-smoothing: antialiased;
  }
  .rsc-page * { box-sizing: border-box; }
  .rsc-sr-only {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0);
    white-space: nowrap; border: 0;
  }

  /* hero */
  .rsc-hero {
    padding: 10rem 0 clamp(36px, 5vw, 60px);
    border-bottom: 1px solid var(--rsc-line);
  }
  .rsc-hero__inner {
    width: min(92%, 1160px);
    margin: 0 auto;
  }
  .rsc-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: clamp(.66rem, .76vw, .78rem);
    font-weight: 600;
    letter-spacing: .14em;
    color: var(--rsc-accent-deep);
    text-transform: uppercase;
    line-height: 1.4;
  }
  .rsc-hero__eyebrow::before {
    content: "";
    width: 32px;
    height: 1px;
    background: var(--rsc-accent);
  }
  .rsc-hero__title {
    margin: 18px 0 14px;
    font-size: clamp(1.45rem, 2.6vw, 2.2rem);
    font-weight: 700;
    line-height: 1.45;
    letter-spacing: .03em;
    color: var(--rsc-fg);
  }
  .rsc-hero__lead {
    max-width: 720px;
    font-size: var(--rsc-text);
    line-height: 1.8;
    color: var(--rsc-fg-2);
    letter-spacing: .03em;
  }
  .rsc-hero__meta {
    margin-top: 22px;
    font-size: clamp(.72rem, .82vw, .82rem);
    color: var(--rsc-fg-3);
    letter-spacing: .06em;
    line-height: 1.6;
  }

  /* filter */
  .rsc-filter {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, .94);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--rsc-line);
  }
  .rsc-filter__inner {
    width: min(92%, 1160px);
    margin: 0 auto;
    padding: 14px 0;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 14px 24px;
    align-items: center;
  }
  .rsc-tabs { display: flex; flex-wrap: wrap; gap: 6px; }
  .rsc-tab {
    appearance: none;
    border: 1px solid transparent;
    background: transparent;
    padding: 7px 14px;
    border-radius: 999px;
    font-size: clamp(.76rem, .86vw, .9rem);
    font-weight: 500;
    letter-spacing: .04em;
    line-height: 1.4;
    color: var(--rsc-fg-2);
    cursor: pointer;
    transition: background .25s var(--rsc-ease), color .25s var(--rsc-ease), border-color .25s var(--rsc-ease);
  }
  .rsc-tab:hover { background: var(--rsc-bg-2); color: var(--rsc-fg); }
  .rsc-tab.is-active { background: var(--rsc-fg); color: #fff; border-color: var(--rsc-fg); }

  .rsc-search { position: relative; width: clamp(220px, 28vw, 320px); }
  .rsc-search input {
    width: 100%;
    padding: 9px 14px 9px 36px;
    border: 1px solid var(--rsc-line);
    border-radius: 999px;
    font-size: clamp(.78rem, .86vw, .9rem);
    line-height: 1.6;
    color: var(--rsc-fg);
    background: #fff;
    transition: border-color .2s var(--rsc-ease), box-shadow .2s var(--rsc-ease);
  }
  .rsc-search input:focus { outline: none; border-color: var(--rsc-accent); box-shadow: 0 0 0 3px rgba(108, 175, 192, .15); }
  .rsc-search svg { position: absolute; top: 50%; left: 13px; transform: translateY(-50%); width: 14px; height: 14px; color: var(--rsc-fg-3); pointer-events: none; }

  /* counter */
  .rsc-counter {
    width: min(92%, 1160px);
    margin: 24px auto 0;
    font-size: clamp(.74rem, .82vw, .84rem);
    color: var(--rsc-fg-3);
    letter-spacing: .06em;
    line-height: 1.6;
  }
  .rsc-counter strong { color: var(--rsc-fg); font-weight: 600; font-size: clamp(.78rem, .88vw, .9rem); }

  /* grid */
  .rsc-grid {
    width: min(92%, 1160px);
    margin: 20px auto clamp(64px, 8vw, 112px);
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
  }
  .rsc-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--rsc-line);
    border-radius: var(--rsc-radius);
    padding: 26px 24px 24px;
    display: flex;
    flex-direction: column;
    transition: border-color .3s var(--rsc-ease), transform .3s var(--rsc-ease), box-shadow .3s var(--rsc-ease);
  }
  .rsc-card:hover { border-color: var(--rsc-accent); transform: translateY(-2px); box-shadow: 0 8px 28px -16px rgba(108, 175, 192, .35); }
  .rsc-card.is-hidden { display: none; }

  .rsc-card__pref {
    font-size: clamp(1.15rem, 1.4vw, 1.45rem);
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--rsc-fg);
    line-height: 1.2;
    margin: 0 0 12px;
  }
  .rsc-card__name {
    font-size: var(--rsc-text);
    font-weight: 600;
    line-height: 1.75;
    color: var(--rsc-fg);
    letter-spacing: .02em;
    margin: 0 0 16px;
  }
  .rsc-card__info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: var(--rsc-text);
    color: var(--rsc-fg-2);
    line-height: 1.7;
    letter-spacing: .03em;
    margin: 0 0 20px;
    flex: 1;
  }
  .rsc-card__row { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
  .rsc-card__info dt {
    flex-shrink: 0;
    width: 3em;
    font-size: clamp(.62rem, .72vw, .72rem);
    font-weight: 600;
    color: var(--rsc-fg-3);
    letter-spacing: .12em;
    text-transform: uppercase;
    line-height: 1.6;
  }
  .rsc-card__info dd { flex: 1; min-width: 0; margin: 0; word-break: break-all; }
  .rsc-card__info a {
    color: var(--rsc-fg-2);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color .2s var(--rsc-ease), border-color .2s var(--rsc-ease);
  }
  .rsc-card__info a:hover { color: var(--rsc-accent-deep); border-bottom-color: var(--rsc-accent); }

  .rsc-card__cta { margin-top: auto; }
  .rsc-card__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px 16px;
    background: var(--rsc-accent);
    color: #fff;
    border: 1px solid var(--rsc-accent);
    border-radius: 999px;
    font-size: clamp(.76rem, .86vw, .9rem);
    font-weight: 600;
    letter-spacing: .08em;
    line-height: 1.4;
    text-decoration: none;
    transition: background .25s var(--rsc-ease), color .25s var(--rsc-ease), gap .25s var(--rsc-ease);
  }
  .rsc-card__btn:hover { background: var(--rsc-accent-deep); border-color: var(--rsc-accent-deep); color: #fff; gap: 12px; }
  .rsc-card__btn svg { width: 12px; height: 12px; transition: transform .25s var(--rsc-ease); }
  .rsc-card__btn:hover svg { transform: translateX(3px); }
  .rsc-card__btn--mute {
    background: transparent;
    color: var(--rsc-fg-3);
    border-color: var(--rsc-line);
    cursor: default;
    pointer-events: none;
    letter-spacing: .06em;
  }

  .rsc-empty {
    width: min(92%, 1160px);
    margin: 32px auto 80px;
    padding: 40px;
    text-align: center;
    color: var(--rsc-fg-3);
    border: 1px dashed var(--rsc-line);
    border-radius: var(--rsc-radius);
    font-size: var(--rsc-text);
    line-height: 1.8;
  }

  /* central section */
  .rsc-central {
    background: var(--rsc-bg-2);
    border-top: 1px solid var(--rsc-line);
    padding: clamp(48px, 6vw, 80px) 0 clamp(56px, 7vw, 96px);
  }
  .rsc-central__inner { width: min(92%, 1160px); margin: 0 auto; }
  .rsc-central__head { margin-bottom: 28px; }
  .rsc-central__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: clamp(.66rem, .76vw, .78rem);
    font-weight: 600;
    letter-spacing: .14em;
    color: var(--rsc-accent-deep);
    text-transform: uppercase;
    line-height: 1.4;
  }
  .rsc-central__eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--rsc-accent); }
  .rsc-central__title {
    margin: 12px 0 0;
    font-size: clamp(1.05rem, 1.5vw, 1.4rem);
    font-weight: 700;
    letter-spacing: .04em;
    color: var(--rsc-fg);
    line-height: 1.5;
  }
  .rsc-central__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; }
  .rsc-central__card { background: #fff; border: 1px solid var(--rsc-line); border-radius: var(--rsc-radius); padding: 30px 28px; }
  .rsc-central__label {
    font-size: clamp(.62rem, .72vw, .72rem);
    font-weight: 600;
    letter-spacing: .14em;
    color: var(--rsc-accent-deep);
    text-transform: uppercase;
    margin-bottom: 12px;
    line-height: 1.4;
  }
  .rsc-central__name {
    font-size: clamp(.95rem, 1.1vw, 1.08rem);
    font-weight: 700;
    line-height: 1.7;
    color: var(--rsc-fg);
    letter-spacing: .02em;
    margin: 0 0 18px;
  }
  .rsc-central__name span { font-size: var(--rsc-text); font-weight: 500; color: var(--rsc-fg-2); }
  .rsc-central__info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: var(--rsc-text);
    color: var(--rsc-fg-2);
    line-height: 1.8;
    letter-spacing: .04em;
    margin: 0 0 18px;
  }
  .rsc-central__info > div { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
  .rsc-central__info dt {
    flex-shrink: 0;
    width: 3em;
    font-size: clamp(.62rem, .72vw, .72rem);
    font-weight: 600;
    color: var(--rsc-fg-3);
    letter-spacing: .12em;
    text-transform: uppercase;
    line-height: 1.6;
  }
  .rsc-central__info dd { margin: 0; }
  .rsc-central__info a {
    color: var(--rsc-fg-2);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color .2s var(--rsc-ease), border-color .2s var(--rsc-ease);
  }
  .rsc-central__info a:hover { color: var(--rsc-accent-deep); border-bottom-color: var(--rsc-accent); }
  .rsc-central__note {
    margin: 16px 0 0;
    padding-top: 14px;
    border-top: 1px solid var(--rsc-line-2);
    font-size: clamp(.7rem, .8vw, .8rem);
    line-height: 1.85;
    color: var(--rsc-fg-3);
    letter-spacing: .04em;
  }

  /* tablet (≤960px) */
  @media (max-width: 960px) {
    .rsc-page { font-size: clamp(.84rem, 1.6vw, .94rem); line-height: 1.8; }
    .rsc-hero { padding: 56px 0 36px; }
    .rsc-hero__title { font-size: clamp(1.35rem, 3.6vw, 1.85rem); }
    .rsc-filter__inner { grid-template-columns: 1fr; padding: 14px 0 12px; }
    .rsc-search { width: 100%; }
    .rsc-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .rsc-card { padding: 24px 22px; }
    .rsc-central__grid { grid-template-columns: 1fr; }
  }

  /* SP (≤640px) */
  @media (max-width: 640px) {
    .rsc-page { font-size: 14px; line-height: 1.8; }
    .rsc-hero { padding: 44px 0 32px; }
    .rsc-hero__title { font-size: 1.4rem; letter-spacing: .02em; line-height: 1.5; }
    .rsc-hero__lead { font-size: 13.5px; line-height: 1.85; }
    .rsc-hero__meta { font-size: 11px; }
    .rsc-filter__inner { padding: 10px 0; gap: 10px; }
    .rsc-tabs {
      overflow-x: auto;
      flex-wrap: nowrap;
      margin: 0 -4%;
      padding: 0 4%;
      gap: 6px;
      -webkit-overflow-scrolling: touch;
      scrollbar-width: none;
    }
    .rsc-tabs::-webkit-scrollbar { display: none; }
    .rsc-tab { flex-shrink: 0; font-size: 12.5px; padding: 7px 13px; }
    .rsc-search input { font-size: 14px; padding: 10px 14px 10px 36px; }
    .rsc-counter { font-size: 11.5px; margin-top: 18px; }
    .rsc-counter strong { font-size: 13px; }
    .rsc-grid { grid-template-columns: 1fr; gap: 12px; margin-top: 16px; margin-bottom: 64px; }
    .rsc-card { padding: 22px 20px 20px; }
    .rsc-card__pref { font-size: 1.15rem; margin-bottom: 10px; }
    .rsc-card__name { font-size: 13.5px; line-height: 1.7; margin-bottom: 14px; }
    .rsc-card__info { font-size: 13px; line-height: 1.7; gap: 6px; margin-bottom: 16px; }
    .rsc-card__info dt { font-size: 10.5px; width: 2.8em; }
    .rsc-card__btn { padding: 11px 14px; font-size: 12.5px; }
    .rsc-central { padding: 44px 0 56px; }
    .rsc-central__card { padding: 24px 22px; }
    .rsc-central__title { font-size: 1.05rem; }
    .rsc-central__name { font-size: 14.5px; line-height: 1.7; }
    .rsc-central__name span { font-size: 13px; }
    .rsc-central__info { font-size: 13px; }
  }

  @media (prefers-reduced-motion: reduce) {
    .rsc-card, .rsc-card__btn, .rsc-card__btn svg, .rsc-tab { transition: none; }
  }