/* ══ v16: 七つの変化 ── 扉の一本道（2026-07-16 デザインパネル裁定） ══
   ジグザグ廃止・全幅で同型の横帯（挿絵左・扉右）・タイトル主役化・
   走るごろ非表示（染まる線のみ）・ふつか目/第4篇/棚を7変化へ統合 */

/* 見出し部 */
.goro-arc{padding:64px 0 48px}
.goro-arc__head{max-width:820px;margin:0 auto;padding:0 max(22px,4vw) 4px;text-align:center}
.goro-arc__label{margin:0 0 16px;font-size:11px;letter-spacing:.3em}
.goro-arc__h{margin:0 0 14px;font-family:var(--serif);font-size:30px;font-weight:700;
  letter-spacing:.06em;line-height:1.4;color:var(--ink)}
.goro-arc__lead{margin:0 auto;max-width:none;font-size:14px}

/* 道: 全幅で左背骨の一本道 */
.goro-arc__rail{display:flex;flex-direction:column;gap:56px;position:relative;
  max-width:820px;margin:48px auto 0;padding:8px max(22px,4vw) 8px 64px}
.goro-arc__rail::before{content:"";position:absolute;left:24px;top:0;bottom:0;
  border-left:1.5px dashed var(--line2);transform:none}
.goro-arc__trail{left:24px;transform:none}
.goro-arc__trail-goro{display:none!important}

/* 駅: 同型の横帯（挿絵左・扉右）。偶数反転も同型に上書き */
.goro-arc__item,
.goro-arc__item:nth-child(even){display:grid;grid-template-columns:210px 1fr;column-gap:44px;
  grid-auto-rows:min-content;align-items:center;align-content:center;
  min-height:0;padding:0;text-align:left;width:100%;max-width:none}
.goro-arc__item::after{left:-40px;top:50%;transform:translateY(-50%)}
.goro-arc__item .goro-arc__img,
.goro-arc__item:nth-child(even) .goro-arc__img{grid-column:1;grid-row:1/span 4;
  width:100%;max-height:none;margin:0;justify-self:end;align-self:center}
.goro-arc__item .goro-arc__cap,
.goro-arc__item:nth-child(even) .goro-arc__cap{grid-column:2;grid-row:auto;
  justify-self:start;align-self:center;text-align:left;max-width:520px}
.goro-arc__item .goro-arc__zone,
.goro-arc__item:nth-child(even) .goro-arc__zone{grid-column:2;grid-row:auto;
  justify-self:start;text-align:left;margin-top:14px;padding-top:10px;
  font-size:.75rem;letter-spacing:.04em;width:100%;max-width:520px}
.goro-arc__item .goro-arc__day2,
.goro-arc__item:nth-child(even) .goro-arc__day2{grid-column:2;grid-row:auto;
  justify-self:start;justify-content:flex-start;text-align:left;max-width:520px;margin-top:10px}

/* 扉の組版: 漢数字の序数 → 大見出し → 一文 */
.goro-arc__idx{margin-bottom:10px;font-family:var(--serif);font-size:16px;
  letter-spacing:.34em;color:var(--sub);font-weight:600;font-variant-numeric:normal}
.goro-arc__item--here .goro-arc__idx,.goro-arc__item--start .goro-arc__idx{color:var(--teal)}
.goro-arc__title{margin-bottom:10px;font-size:30px;font-weight:700;
  letter-spacing:.08em;line-height:1.35}
.goro-arc__line{font-size:15px;line-height:1.8}

/* いまここ/ここから: ティールのチップを扉の上に */
.goro-arc__item--here .goro-arc__here,.goro-arc__item--start .goro-arc__here{
  position:static;transform:none;top:auto;left:auto;grid-column:2;justify-self:start;
  display:inline-block;width:-webkit-max-content;width:max-content;max-width:none;
  margin:0 0 10px;padding:4px 14px;
  background:var(--teal);color:#fff;border:none;border-radius:980px;
  -webkit-backdrop-filter:none;backdrop-filter:none;
  font-family:var(--sans);font-size:11px;letter-spacing:.18em;font-weight:700;
  box-shadow:0 3px 10px rgba(11,125,163,.30)}

/* もっと、ふみこむ（旧ふつか目）: 12px小活字の従リンク */
.goro-arc__day2 .d2__k{font-size:.66rem;letter-spacing:.24em}
.goro-arc__day2 .d2__a{font-family:var(--sans);font-size:12px;letter-spacing:.02em}

/* 枕元の棚: 道と同じ左位置で控えめに */
.goro-arc__bed{max-width:820px;margin:64px auto 0;
  padding:26px max(22px,4vw) 0 64px;border-top:1px solid var(--line)}
.goro-arc__foot{margin:44px 0 0}

@media (max-width:680px){
  .goro-arc{padding:48px 0 40px}
  .goro-arc__h{font-size:24px}
  .goro-arc__rail{gap:40px;padding:4px max(18px,4vw) 4px 46px}
  .goro-arc__rail::before{left:15px}
  .goro-arc__trail{left:15px}
  .goro-arc__item,
  .goro-arc__item:nth-child(even){grid-template-columns:96px 1fr;column-gap:18px}
  .goro-arc__item::after{left:-31px;width:8px;height:8px}
  .goro-arc__idx{font-size:13px;margin-bottom:6px}
  .goro-arc__title{font-size:22px;letter-spacing:.06em;margin-bottom:6px}
  .goro-arc__line{font-size:13.5px;line-height:1.7}
  .goro-arc__bed{padding:22px max(18px,4vw) 0 46px;margin-top:48px}
}