@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400&family=Zen+Old+Mincho:wght@400;500;700&display=swap');

:root { --font-mincho: 'Zen Old Mincho'; --font-mono: 'DM Mono'; }

:root {
  --gate-green: #9fc0a0;
  --gate-green-deep: #5d8862;
  --gate-green-ink: #41684a;
  --soft-green: #eef3ec;
  --paper: #faf6ee;
  --paper-2: #f1e9d9;
  --card: #fffdf8;
  --ink: #3a382f;
  --ink-soft: #6f6a5c;
  --line: rgba(93, 136, 98, 0.22);
  --line-soft: rgba(93, 136, 98, 0.14);
  --perf: rgba(93, 136, 98, 0.55);
  --shadow: 0 18px 40px -28px rgba(58, 70, 50, 0.5);
  --radius: 16px;
  --maxw: 1120px;

  --font-mincho: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", serif;
  --font-mono: "DM Mono", ui-monospace, "SFMono-Regular", "Menlo", monospace;
  --font-body: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
    "Yu Gothic", "Noto Sans JP", "Meiryo", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background-color: var(--paper);
  background-image: radial-gradient(circle at 88% 4%, rgba(159, 192, 160, 0.16), transparent 42%),
    radial-gradient(circle at 6% 0%, rgba(159, 192, 160, 0.1), transparent 38%);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: 0.01em;
}

a {
  color: inherit;
}

h1,
h2,
h3 {
  font-family: var(--font-mincho);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.45;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gate-green-ink);
  color: var(--paper);
  padding: 10px 16px;
  border-radius: 0 0 10px 0;
  z-index: 40;
}
.skip-link:focus {
  left: 0;
}

/* ===== ゲートヘッダー: 中央のワードマークを左右の門柱とまぐさが囲む ===== */
.gate-header {
  display: flex;
  justify-content: center;
  padding: 30px 20px 26px;
  background: linear-gradient(180deg, var(--soft-green), var(--paper));
  border-bottom: 1px solid var(--line-soft);
}
.gate-frame {
  display: flex;
  align-items: flex-end;
  gap: 22px;
}
.gate-pillar {
  width: 11px;
  height: 70px;
  border-radius: 7px 7px 3px 3px;
  background: linear-gradient(180deg, var(--gate-green), var(--gate-green-deep));
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.45);
}
.gate-mark {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 22px;
  text-decoration: none;
  min-width: 240px;
}
.gate-lintel {
  position: absolute;
  top: 0;
  left: -18px;
  right: -18px;
  height: 11px;
  border-radius: 7px;
  background: linear-gradient(90deg, var(--gate-green-deep), var(--gate-green), var(--gate-green-deep));
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.4);
}
.gate-wordmark {
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 31px;
  letter-spacing: 0.08em;
  color: var(--ink);
}
.gate-tagline {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gate-green-ink);
}

/* ===== ホーム ===== */
.gate-main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 22px 84px;
}

.gate-lead {
  margin-top: 30px;
  border-radius: 22px;
  padding: 54px 46px;
  color: var(--ink);
  background-color: var(--soft-green);
  background-image: linear-gradient(
      158deg,
      rgba(159, 192, 160, 0.42),
      rgba(250, 246, 238, 0.82) 60%,
      rgba(250, 246, 238, 0.96)
    ),
    url("/images/gentlegate-lead.jpg");
  background-size: cover;
  background-position: center;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.gate-lead-inner {
  max-width: 640px;
}
.gate-lead-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gate-green-ink);
}
.gate-lead-title {
  margin: 0 0 18px;
  font-size: 38px;
  line-height: 1.5;
}
.gate-lead-body {
  margin: 0 0 22px;
  font-size: 17px;
  color: var(--ink-soft);
  max-width: 560px;
}
.gate-lead-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gate-green-ink);
}

/* ----- 入場券の列 ----- */
.gate-passes {
  margin-top: 56px;
}
.gate-section-head h2 {
  margin: 0 0 6px;
  font-size: 26px;
}
.gate-section-head p {
  margin: 0 0 26px;
  color: var(--ink-soft);
  font-size: 15px;
}

.pass-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
.pass-ticket {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.pass-ticket:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 46px -26px rgba(58, 70, 50, 0.55);
}
.pass-link {
  position: relative;
  display: grid;
  grid-template-columns: 128px 1fr;
  text-decoration: none;
  color: inherit;
  min-height: 196px;
}
.pass-stub {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 16px;
  background: linear-gradient(180deg, var(--soft-green), #e6efe3);
  border-right: 0;
}
.pass-stub-label {
  font-family: var(--font-mincho);
  font-size: 15px;
  letter-spacing: 0.16em;
  color: var(--gate-green-ink);
  writing-mode: vertical-rl;
  text-orientation: upright;
  align-self: flex-start;
  height: 78px;
}
.pass-code {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--ink);
}
.pass-stub-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
}

/* ミシン目: 破線 + 上下の切り欠き */
.pass-perf {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 128px;
  width: 0;
  border-left: 2px dashed var(--perf);
  transform: translateX(-1px);
}
.pass-perf::before,
.pass-perf::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--paper);
  transform: translateX(-50%);
  box-shadow: inset 0 0 0 1px var(--line-soft);
}
.pass-perf::before {
  top: -10px;
}
.pass-perf::after {
  bottom: -10px;
}

.pass-main {
  display: flex;
  flex-direction: column;
  padding: 22px 24px 20px;
}
.pass-line {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gate-green-ink);
  margin-bottom: 8px;
}
.pass-title {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.5;
  color: var(--ink);
}
.pass-intro {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.pass-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
}
.pass-foot-q {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}
.pass-foot-go {
  font-size: 13px;
  font-weight: 700;
  color: var(--gate-green-ink);
}
.pass-foot-go::after {
  content: " →";
}

/* ----- 通行の心得 ----- */
.gate-notes {
  margin-top: 60px;
  padding: 34px 36px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  border-left: 5px solid var(--gate-green);
}
.gate-notes-title {
  margin: 0 0 22px;
  font-size: 22px;
}
.gate-notes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.gate-note {
  display: flex;
  gap: 12px;
}
.gate-note-no {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gate-green-deep);
  padding-top: 3px;
}
.gate-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}
.gate-notes-tail {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  color: var(--ink-soft);
}

/* ===== 記事: 搭乗券（ボーディングパス）型 ===== */
.stub-main {
  max-width: 880px;
  margin: 0 auto;
  padding: 34px 22px 80px;
}
.stub-article {
  background: transparent;
}
.stub-pass {
  position: relative;
  display: grid;
  grid-template-columns: 168px 1fr;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.stub-pass-stub {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 28px 22px;
  background: linear-gradient(180deg, var(--soft-green), #e4ede1);
}
.stub-pass-kind {
  font-family: var(--font-mincho);
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--gate-green-ink);
}
.stub-pass-code {
  font-family: var(--font-mono);
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--ink);
}
.stub-pass-dates {
  margin: auto 0 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stub-pass-dates div {
  display: flex;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--ink-soft);
}
.stub-pass-dates dt {
  margin: 0;
  color: var(--gate-green-deep);
}
.stub-pass-dates dd {
  margin: 0;
}
.stub-perf {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 168px;
  width: 0;
  border-left: 2px dashed var(--perf);
  transform: translateX(-1px);
}
.stub-perf::before,
.stub-perf::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--paper);
  transform: translateX(-50%);
  box-shadow: inset 0 0 0 1px var(--line-soft);
}
.stub-perf::before {
  top: -11px;
}
.stub-perf::after {
  bottom: -11px;
}
.stub-pass-main {
  padding: 30px 32px;
}
.stub-line {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--gate-green-ink);
}
.stub-title {
  margin: 12px 0 16px;
  font-size: 30px;
  line-height: 1.5;
  color: var(--ink);
}
.stub-intro {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-soft);
}
.stub-tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.stub-tags li {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--gate-green-ink);
  background: var(--soft-green);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  padding: 4px 11px;
}

/* ----- 案内本文 ----- */
.gate-annai {
  margin-top: 36px;
  font-size: 16.5px;
  line-height: 1.98;
  color: var(--ink);
}
.gate-annai > p {
  margin: 0 0 20px;
}
.gate-annai h2 {
  margin: 40px 0 16px;
  font-size: 23px;
  padding-left: 16px;
  position: relative;
}
.gate-annai h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  width: 7px;
  height: 0.92em;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--gate-green), var(--gate-green-deep));
}
.gate-annai h3 {
  margin: 28px 0 12px;
  font-size: 18px;
}
.gate-annai a {
  color: var(--gate-green-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--gate-green);
}
.gate-annai a:hover {
  color: var(--gate-green-deep);
}
.gate-annai blockquote {
  margin: 26px 0;
  padding: 20px 24px;
  background: var(--soft-green);
  border-left: 5px solid var(--gate-green);
  border-radius: 0 12px 12px 0;
  font-family: var(--font-mincho);
  font-size: 17px;
  line-height: 1.85;
  color: var(--gate-green-ink);
}
.gate-annai ul {
  margin: 20px 0;
  padding: 0;
  list-style: none;
}
.gate-annai ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 11px;
}
.gate-annai ul li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.74em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  transform: rotate(45deg);
  background: var(--gate-green);
}
.gate-annai ol {
  margin: 20px 0;
  padding-left: 22px;
}
.gate-annai ol li {
  margin-bottom: 11px;
}
.gate-annai table {
  width: 100%;
  border-collapse: collapse;
  margin: 26px 0;
  font-size: 14.5px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.gate-annai thead th {
  background: linear-gradient(180deg, var(--gate-green), var(--gate-green-deep));
  color: #fbfdfa;
  text-align: left;
  font-family: var(--font-mincho);
  font-weight: 500;
  padding: 12px 14px;
  font-size: 14px;
}
.gate-annai tbody td {
  padding: 12px 14px;
  border-top: 1px solid var(--line-soft);
  vertical-align: top;
  color: var(--ink-soft);
}
.gate-annai tbody tr:nth-child(even) td {
  background: rgba(159, 192, 160, 0.07);
}

/* ----- FAQ ----- */
.stub-faq {
  margin-top: 44px;
}
.stub-faq h2 {
  font-size: 22px;
  margin: 0 0 16px;
}
.stub-faq details {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 4px 18px;
  margin-bottom: 12px;
}
.stub-faq summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 28px 14px 0;
  font-weight: 700;
  font-size: 15.5px;
  position: relative;
  color: var(--ink);
}
.stub-faq summary::-webkit-details-marker {
  display: none;
}
.stub-faq summary::after {
  content: "＋";
  position: absolute;
  right: 0;
  top: 13px;
  color: var(--gate-green-deep);
  font-family: var(--font-mono);
}
.stub-faq details[open] summary::after {
  content: "－";
}
.stub-faq details p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

/* ----- 出典の扱い ----- */
.stub-source {
  margin-top: 36px;
  padding: 22px 24px;
  background: var(--paper-2);
  border-radius: 12px;
  border: 1px dashed var(--line);
}
.stub-source h2 {
  margin: 0 0 8px;
  font-size: 17px;
}
.stub-source p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.85;
}

/* ----- 次の入口 ----- */
.stub-next {
  max-width: 880px;
  margin: 48px auto 0;
}
.stub-next-title {
  font-size: 20px;
  margin: 0 0 18px;
}
.stub-next-row {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.stub-next-ticket {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  border-top: 4px solid var(--gate-green);
  transition: transform 0.16s ease;
}
.stub-next-ticket:hover {
  transform: translateY(-2px);
}
.stub-next-link {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 16px 16px 18px;
  text-decoration: none;
  color: inherit;
}
.stub-next-code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gate-green-deep);
}
.stub-next-line {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
}
.stub-next-name {
  font-family: var(--font-mincho);
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink);
}
.stub-back {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--gate-green-ink);
  text-decoration: none;
}
.stub-back::before {
  content: "← ";
}

/* ===== フッター ===== */
.gate-foot {
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--paper), var(--soft-green));
  padding: 40px 22px 52px;
  text-align: center;
}
.gate-foot-mark {
  font-family: var(--font-mincho);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--ink);
}
.gate-foot p {
  max-width: 560px;
  margin: 12px auto 0;
  font-size: 14px;
  color: var(--ink-soft);
}
.gate-foot-note {
  font-size: 12.5px;
}

/* ===== 狭い画面では穏やかにたたむ ===== */
@media (max-width: 860px) {
  .pass-row {
    grid-template-columns: 1fr;
  }
  .gate-notes-list {
    grid-template-columns: 1fr;
  }
  .stub-next-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  body {
    font-size: 16px;
  }
  .gate-lead {
    padding: 38px 24px;
  }
  .gate-lead-title {
    font-size: 30px;
  }
  .pass-link {
    grid-template-columns: 96px 1fr;
  }
  .pass-perf {
    left: 96px;
  }
  .stub-pass {
    grid-template-columns: 1fr;
  }
  .stub-perf {
    left: 0;
    right: 0;
    top: auto;
    bottom: auto;
    width: auto;
    height: 0;
    border-left: 0;
    border-top: 2px dashed var(--perf);
  }
  .stub-perf::before {
    top: 50%;
    left: -11px;
    transform: translateY(-50%);
  }
  .stub-perf::after {
    top: 50%;
    left: auto;
    right: -11px;
    bottom: auto;
    transform: translateY(-50%);
  }
  .stub-pass-main {
    padding: 26px 22px;
  }
  .stub-title {
    font-size: 25px;
  }
}