/* =========================================================
   TOEIC Part 6 長文穴埋め — page styles
   (brand.css + kaishaku.css の上に重ねる差分)
   ========================================================= */

/* ---- header part nav ---- */
.part-nav {
  position: relative; display: flex; flex-wrap: wrap; gap: 8px; overflow: visible;
  padding: 0 2px 6px; margin-top: -6px;
  -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.part-nav::-webkit-scrollbar { display: none; }
.ppill {
  flex: 0 0 auto;
  font-family: var(--en); font-weight: 700; font-size: 13px; letter-spacing: .02em;
  color: var(--ink-2); border: 1.5px solid var(--line); background: var(--card);
  border-radius: var(--r-pill); padding: .42em 1.05em; text-decoration: none;
  transition: all .16s; white-space: nowrap;
}
.ppill:hover { border-color: var(--camel); background: var(--peach-2); }
.ppill.jp { font-family: var(--jp); }
.ppill.now { background: var(--brown); color: #fff; border-color: var(--brown); }

/* ---- header nav: Part プルダウン ---- */
.nav-dd { position: relative; flex: 0 0 auto; }
.nav-dd-toggle { display: inline-flex; align-items: center; gap: .3em; cursor: pointer; line-height: inherit; }
.nav-caret { font-size: .85em; line-height: 1; transition: transform .16s; }
.nav-dd.open .nav-caret { transform: rotate(180deg); }
.nav-dd-panel {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 50;
  display: flex; flex-direction: column; gap: 2px; min-width: 152px;
  background: var(--card); border: 1.5px solid var(--line); border-radius: 12px;
  padding: 6px; box-shadow: 0 12px 30px rgba(60, 40, 20, .16);
}
.nav-dd-panel[hidden] { display: none; }
.nav-dd-item {
  font-family: var(--en); font-weight: 700; font-size: 13px; color: var(--ink-2);
  text-decoration: none; padding: .5em .85em; border-radius: 8px; white-space: nowrap;
  transition: background .14s, color .14s;
}
.nav-dd-item:hover { background: var(--peach-2); color: var(--ink); }
.nav-dd-item.now { background: var(--brown); color: #fff; }
@media (max-width: 600px) {
  /* モバイル：nav が折返してトグルが右寄りに来てもパネルが見切れないよう nav 左基準に */
  .nav-dd { position: static; }
  .nav-dd-panel { top: calc(100% + 6px); left: 0; right: auto; }
}

/* ---- passage nav (文書1〜5) ---- */
.pnav {
  display: flex; flex-direction: column; align-items: flex-start; gap: 1px;
  font-family: var(--jp); border: 1.5px solid var(--line); background: var(--card);
  color: var(--ink-2); padding: .5em 1.15em; border-radius: 14px; cursor: pointer;
  transition: all .16s; text-align: left;
}
.pnav:hover { border-color: var(--camel); }
.pnav.on { background: var(--brown); color: #fff; border-color: var(--brown); }
.pnav-t { font-weight: 800; font-size: 14px; line-height: 1.4; }
.pnav-s { font-size: 11px; opacity: .75; font-family: var(--en); font-weight: 700; letter-spacing: .03em; }
.pnav.on .pnav-s { opacity: .85; }
.pnav-s .done { color: var(--correct); }
.pnav.on .pnav-s .done { color: #c9f0d2; }

/* ---- score bar ---- */
.score-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 2px 2px 16px; }
.score-chip {
  font-family: var(--en); font-weight: 800; font-size: 13px; letter-spacing: .03em;
  color: var(--brown); background: var(--peach-2); border-radius: var(--r-pill);
  padding: .45em 1.2em;
}
.score-chip b { font-size: 1.25em; }
.score-bar .toggle { margin-left: auto; }

/* ---- document card ---- */
.doc-kicker {
  font-family: var(--en); font-style: italic; color: var(--muted);
  font-size: 14px; margin: 0 2px 10px;
}
.doc { padding: clamp(20px, 4vw, 34px); }
.doc-head {
  border: 1.5px solid var(--line); border-radius: var(--r-sm);
  padding: 13px 16px; margin-bottom: 20px;
  display: flex; flex-direction: column; gap: 6px;
}
.dh-row { display: flex; gap: 12px; font-family: var(--en); font-size: 14.5px; line-height: 1.5; }
.dh-k {
  flex: 0 0 64px; font-weight: 800; color: var(--camel);
  text-transform: uppercase; font-size: 11.5px; letter-spacing: .07em; padding-top: 2px;
}
.dh-v { color: #43301f; font-weight: 600; word-break: break-word; }
.doc-title {
  font-family: var(--en); font-weight: 800; color: var(--ink);
  font-size: clamp(18px, 3vw, 24px); letter-spacing: .02em; margin: 0 0 2px; line-height: 1.35;
}
.doc-sub {
  font-family: var(--en); font-weight: 700; font-size: 12px; color: var(--muted);
  letter-spacing: .1em; text-transform: uppercase; margin: 0 0 18px;
}
.doc-body p {
  font-family: var(--en); font-size: clamp(15.5px, 2vw, 17.5px);
  line-height: 1.95; color: #43301f; margin: 0 0 1.15em;
}
.doc-body p:last-child { margin-bottom: 0; }
.doc-sig { font-family: var(--en); font-size: 15.5px; color: #43301f; line-height: 1.6; margin-top: 20px; }

/* ---- blanks in the document ---- */
.pblank {
  display: inline-flex; align-items: baseline; gap: .4em;
  font-family: var(--en); font-weight: 800; color: var(--brown);
  background: var(--peach-2); border-bottom: 2.5px dashed var(--camel);
  padding: 0 .5em; border-radius: 7px 7px 0 0; white-space: nowrap;
}
.pblank .pb-no { font-size: .72em; letter-spacing: .04em; opacity: .8; transform: translateY(-1px); }
.pblank .pb-line { letter-spacing: .12em; }

.pb-fill {
  display: inline; font-weight: 700; border-radius: 7px 7px 0 0; padding: 0 .28em;
  border-bottom: 2.5px solid var(--correct); background: var(--correct-bg); color: #2c7a44;
}
.pb-fill.miss { border-bottom-color: var(--role-c); background: var(--role-c-bg); color: #8a6620; }
.pb-fill .pb-mk { font-size: .78em; font-weight: 800; margin-left: .25em; }

/* ---- question cards ---- */
.qa { display: flex; flex-direction: column; gap: 18px; margin-top: 20px; }
.q-card { padding: clamp(18px, 3.4vw, 28px); }
.q-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 15px; }
.q-no {
  font-family: var(--en); font-weight: 800; font-size: 15px;
  background: var(--peach); color: var(--brown); border-radius: 9px; padding: .14em .6em;
}
.q-type {
  font-family: var(--jp); font-size: 12px; font-weight: 700; color: var(--ink-2);
  background: var(--paper-2); border-radius: var(--r-pill); padding: .32em .95em;
}
.q-state { margin-left: auto; font-family: var(--jp); font-weight: 800; font-size: 13px; }
.q-state.ok { color: var(--correct); }
.q-state.ng { color: var(--wrong); }
.ch-word.sent { font-size: 15.5px; line-height: 1.65; font-weight: 600; }

/* ---- translation mode ---- */
.jp-block {
  margin: -4px 0 1.4em; padding: 13px 17px;
  background: var(--peach-2); border-left: 4px solid var(--camel); border-radius: 10px;
  font-family: var(--jp); font-size: 14.5px; font-weight: 500; color: var(--ink); line-height: 1.95;
}
.doc-body .jp-block:last-child { margin-bottom: 0; }

/* ---- kaishaku mode ---- */
.ks-card { margin-bottom: 24px; }
.ks-list { display: flex; flex-direction: column; }

/* ---- responsive ---- */
@media (max-width: 560px) {
  .dh-k { flex-basis: 52px; }
  .pnav-s .lvl { display: none; }
  .q-type.hint { display: none; }
}