.tohoku-page {
  --tohoku-ink: #292a25;
  --tohoku-muted: #716d65;
  --tohoku-snow: #eef2ef;
  --tohoku-sakura: #ead9d3;
  --tohoku-summer: #dce7dc;
  --tohoku-autumn: #d8b997;
  --tohoku-blue: #536a6d;
  background: #f6f4ef;
}

.tohoku-page main { overflow: clip; }

.tohoku-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .75fr);
  gap: clamp(44px, 7vw, 92px);
  align-items: end;
  padding-block: clamp(68px, 9vw, 116px) clamp(72px, 9vw, 108px);
}

.tohoku-hero h1 {
  margin: 16px 0 0;
  font-family: Georgia, "Noto Serif TC", serif;
  font-size: clamp(48px, 7vw, 86px);
  font-weight: 600;
  line-height: 1.13;
  letter-spacing: -.065em;
}

.tohoku-hero h1 em { color: #9a6746; font-style: normal; }
.tohoku-lead { max-width: 650px; margin: 30px 0 0; color: var(--tohoku-muted); font-size: clamp(14px, 1.6vw, 17px); line-height: 2; }
.tohoku-meta { margin: 18px 0 0; color: #918a80; font-size: 11px; letter-spacing: .02em; }

.tohoku-region {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-block-start: 1px solid #aaa69e;
  border-inline-start: 1px solid #aaa69e;
}

.tohoku-region span {
  display: flex;
  min-height: 92px;
  flex-direction: column;
  justify-content: end;
  border-block-end: 1px solid #aaa69e;
  border-inline-end: 1px solid #aaa69e;
  padding: 17px 18px;
  background: #faf8f3;
  color: var(--tohoku-ink);
  font-family: Georgia, "Noto Serif TC", serif;
  font-size: 20px;
}

.tohoku-region span:nth-child(1), .tohoku-region span:nth-child(6) { background: var(--tohoku-snow); }
.tohoku-region span:nth-child(2), .tohoku-region span:nth-child(5) { background: var(--tohoku-sakura); }
.tohoku-region span:nth-child(3), .tohoku-region span:nth-child(4) { background: var(--tohoku-summer); }
.tohoku-region small { margin-top: 3px; color: #817a70; font: 9px/1.4 Arial, sans-serif; letter-spacing: .12em; text-transform: uppercase; }

.tohoku-intro {
  display: grid;
  grid-template-columns: minmax(210px, .38fr) minmax(0, 1fr);
  gap: 22px 54px;
  border-block: 1px solid var(--line);
  padding-block: 42px;
}

.tohoku-intro h2,
.tohoku-section-heading h2,
.tohoku-sources h2 {
  margin: 8px 0 0;
  font-family: Georgia, "Noto Serif TC", serif;
  font-size: clamp(30px, 4vw, 45px);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -.04em;
}

.tohoku-season-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-block-start: 1px solid var(--line); border-inline-start: 1px solid var(--line); }
.tohoku-season-grid a { display: flex; min-height: 150px; flex-direction: column; border-block-end: 1px solid var(--line); border-inline-end: 1px solid var(--line); padding: 20px; background: #fbf9f4; }
.tohoku-season-grid a:nth-child(1) { background: var(--tohoku-snow); }
.tohoku-season-grid a:nth-child(2) { background: var(--tohoku-sakura); }
.tohoku-season-grid a:nth-child(3) { background: var(--tohoku-summer); }
.tohoku-season-grid a:nth-child(4) { background: #ead9c7; }
.tohoku-season-grid span { color: #777269; font: 700 10px/1 Arial, sans-serif; letter-spacing: .12em; }
.tohoku-season-grid strong { margin-top: auto; font-family: Georgia, "Noto Serif TC", serif; font-size: 16px; font-weight: 600; }
.tohoku-season-grid small { margin-top: 6px; color: #767168; font-size: 9px; line-height: 1.5; }
.tohoku-season-grid a:hover { filter: brightness(.96); }
.tohoku-season-grid a:focus-visible { position: relative; z-index: 1; outline: 2px solid #9a6746; outline-offset: -3px; }
.tohoku-notice { grid-column: 2; margin: 0; border-inline-start: 3px solid #9a6746; padding: 2px 0 2px 17px; color: #777168; font-size: 11px; line-height: 1.9; }
.tohoku-notice strong { color: #4d4942; }

.tohoku-month-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: repeat(12, minmax(48px, 1fr));
  margin-block: 54px 0;
  border-block: 1px solid #c8c3ba;
  border-inline-start: 1px solid #c8c3ba;
  background: rgba(246, 244, 239, .94);
  backdrop-filter: blur(10px);
}

.tohoku-month-nav a { border-inline-end: 1px solid #c8c3ba; padding: 14px 6px; color: #746f67; font: 700 11px/1 Arial, sans-serif; text-align: center; }
.tohoku-month-nav a:hover { background: var(--tohoku-ink); color: #fff; }
.tohoku-month-nav a:focus-visible { position: relative; z-index: 1; outline: 2px solid #9a6746; outline-offset: -3px; }

.tohoku-calendar, .tohoku-spots { padding-block: 78px 102px; }
.tohoku-section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, .65fr); gap: 10px 50px; align-items: end; margin-bottom: 34px; }
.tohoku-section-heading .eyebrow { grid-column: 1 / -1; }
.tohoku-section-heading > p:last-child { margin: 0 0 5px; color: var(--tohoku-muted); font-size: 11px; line-height: 1.8; }

.tohoku-winter-feature { display: grid; grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr); margin-bottom: 48px; border: 1px solid #344547; background: #344547; color: #f5f2eb; }
.tohoku-winter-title { display: flex; min-height: 310px; flex-direction: column; padding: clamp(28px, 4vw, 44px); background: radial-gradient(circle at 88% 12%, rgba(224, 196, 155, .28), transparent 32%), #344547; }
.tohoku-winter-title > p { margin: 0; color: #dfba91; font-size: 9px; font-weight: 700; letter-spacing: .13em; text-transform: uppercase; }
.tohoku-winter-title h3 { margin: auto 0 8px; font-family: Georgia, "Noto Serif TC", serif; font-size: clamp(30px, 4vw, 45px); font-weight: 600; line-height: 1.3; letter-spacing: -.04em; }
.tohoku-winter-title > span { color: #b9c8c5; font-size: 9px; line-height: 1.6; letter-spacing: .08em; text-transform: uppercase; }
.tohoku-winter-copy { display: flex; flex-direction: column; border-inline-start: 1px solid rgba(255, 255, 255, .18); padding: clamp(28px, 4vw, 44px); background: #f0ece3; color: #3f403a; }
.tohoku-winter-copy > p { margin: 0; color: #67665f; font-size: 12px; line-height: 2; }
.tohoku-winter-copy dl { display: grid; grid-template-columns: repeat(3, 1fr); margin: 28px 0 0; border-block-start: 1px solid #c8c2b7; border-inline-start: 1px solid #c8c2b7; }
.tohoku-winter-copy dl div { min-width: 0; border-block-end: 1px solid #c8c2b7; border-inline-end: 1px solid #c8c2b7; padding: 15px; }
.tohoku-winter-copy dt { color: #8c6950; font-size: 9px; font-weight: 700; }
.tohoku-winter-copy dd { margin: 6px 0 0; color: #4c4c46; font-size: 10px; line-height: 1.6; }
.tohoku-winter-links { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: auto; padding-top: 26px; }
.tohoku-winter-links a { border-block-end: 1px solid #8c6950; padding-block-end: 3px; color: #76553f; font-size: 9px; font-weight: 700; }
.tohoku-winter-links a:hover { color: #252620; }
.tohoku-winter-links a:focus-visible { outline: 2px solid #9a6746; outline-offset: 4px; }

.tohoku-month { scroll-margin-top: 62px; border-block-start: 1px solid #aaa69e; }
.tohoku-month:last-child { border-block-end: 1px solid #aaa69e; }
.tohoku-month summary { display: grid; grid-template-columns: 72px 160px 1fr; align-items: baseline; gap: 16px; padding: 22px 18px; cursor: pointer; list-style: none; }
.tohoku-month summary::-webkit-details-marker { display: none; }
.tohoku-month summary::after { grid-column: 4; content: "+"; color: #8c857b; font: 300 25px/1 Arial, sans-serif; }
.tohoku-month[open] summary::after { content: "−"; }
.tohoku-month summary:hover { background: #eeebe4; }
.tohoku-month summary:focus-visible { outline: 2px solid #9a6746; outline-offset: -3px; }
.tohoku-month summary > span { color: #9a6746; font: 500 31px/1 Georgia, serif; }
.tohoku-month summary > strong { font-family: Georgia, "Noto Serif TC", serif; font-size: 22px; font-weight: 600; }
.tohoku-month summary > small { color: #7e786f; font-size: 11px; }

.tohoku-month-list { margin: 0; padding: 0; list-style: none; }
.tohoku-month-list li { display: grid; grid-template-columns: 72px minmax(0, 1fr) 104px; gap: 16px; align-items: center; border-block-start: 1px solid var(--line); padding: 20px 18px; background: #fbf9f4; }
.tohoku-month-list li:nth-child(even) { background: #f2f0ea; }
.tohoku-month-list .prefecture { color: #4f6667; font-size: 11px; font-weight: 700; }
.tohoku-month-list div strong { display: block; color: #393934; font-family: Georgia, "Noto Serif TC", serif; font-size: 16px; font-weight: 600; }
.tohoku-month-list div p { margin: 5px 0 0; color: #777168; font-size: 11px; line-height: 1.75; }
.tohoku-month-list .official { justify-self: end; border-block-end: 1px solid #9a6746; padding-bottom: 3px; color: #8b6348; font-size: 9px; font-weight: 700; }
.tohoku-month-list a:hover { color: #22231f; }

.tohoku-spots { border-block-start: 1px solid var(--line); }
.tohoku-prefecture-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-block-start: 1px solid var(--line); border-inline-start: 1px solid var(--line); }
.tohoku-prefecture-grid article { display: flex; min-height: 330px; scroll-margin-top: 72px; flex-direction: column; border-block-end: 1px solid var(--line); border-inline-end: 1px solid var(--line); padding: 28px; background: #faf8f3; }
.tohoku-prefecture-grid article:nth-child(1), .tohoku-prefecture-grid article:nth-child(6) { background: var(--tohoku-snow); }
.tohoku-prefecture-grid article:nth-child(2), .tohoku-prefecture-grid article:nth-child(5) { background: #eee2db; }
.tohoku-prefecture-grid article:nth-child(3), .tohoku-prefecture-grid article:nth-child(4) { background: #e3ebe2; }
.tohoku-prefecture-grid article > p { margin: 0; color: #916247; font-size: 9px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.tohoku-prefecture-grid h3 { margin: 34px 0 16px; font-family: Georgia, "Noto Serif TC", serif; font-size: 24px; font-weight: 600; line-height: 1.4; }
.tohoku-prefecture-grid ul { margin: 0; padding: 0; list-style: none; }
.tohoku-prefecture-grid li { border-block-start: 1px solid rgba(60, 60, 54, .16); }
.tohoku-prefecture-grid li a { display: block; padding: 10px 0; color: #59574f; font-size: 11px; }
.tohoku-prefecture-grid li a::after { float: right; content: "↗"; color: #948b7e; }
.tohoku-prefecture-grid .portal { margin-top: auto; padding-top: 24px; color: #7f5a42; font-size: 9px; font-weight: 700; }
.tohoku-prefecture-grid a:hover { color: #1f201c; }

.tohoku-sources { display: grid; grid-template-columns: minmax(220px, .4fr) minmax(0, 1fr); gap: 54px; border-block-start: 1px solid var(--line); padding-block: 70px 100px; }
.tohoku-source-copy { max-width: 760px; }
.tohoku-source-copy > p { margin: 0; color: #69655e; font-size: 12px; line-height: 2; }
.tohoku-source-copy ul { margin: 24px 0; padding-inline-start: 18px; color: #777168; font-size: 11px; line-height: 1.9; }
.tohoku-source-copy nav { display: flex; flex-wrap: wrap; gap: 8px; }
.tohoku-source-copy nav a { border: 1px solid #cbc5bb; border-radius: 999px; padding: 8px 13px; background: #faf8f3; color: #5e5a53; font-size: 9px; font-weight: 700; }
.tohoku-source-copy nav a:hover { border-color: #9a6746; color: #7f563e; }
.tohoku-source-copy .tohoku-about { margin-top: 25px; font-size: 10px; }
.tohoku-about a { color: #7f563e; text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 900px) {
  .tohoku-hero { grid-template-columns: 1fr; }
  .tohoku-region { max-width: 660px; }
  .tohoku-intro { grid-template-columns: 1fr; }
  .tohoku-season-grid, .tohoku-notice { grid-column: 1; }
  .tohoku-month-nav { overflow-x: auto; }
  .tohoku-section-heading { grid-template-columns: 1fr; }
  .tohoku-winter-feature { grid-template-columns: 1fr; }
  .tohoku-winter-title { min-height: 250px; }
  .tohoku-winter-copy { border-block-start: 1px solid rgba(255, 255, 255, .18); border-inline-start: 0; }
  .tohoku-prefecture-grid { grid-template-columns: 1fr 1fr; }
  .tohoku-sources { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .tohoku-hero { padding-block: 56px 66px; }
  .tohoku-hero h1 { font-size: clamp(44px, 14vw, 62px); }
  .tohoku-region span { min-height: 78px; padding: 14px; font-size: 18px; }
  .tohoku-intro { padding-block: 34px; }
  .tohoku-season-grid { grid-template-columns: 1fr 1fr; }
  .tohoku-season-grid a { min-height: 126px; padding: 16px; }
  .tohoku-month-nav { grid-template-columns: repeat(12, 52px); margin-inline: 0; padding-inline: max(16px, calc((100vw - 1160px) / 2)); border-inline-start: 0; }
  .tohoku-month-nav a:first-child { border-inline-start: 1px solid #c8c3ba; }
  .tohoku-calendar, .tohoku-spots { padding-block: 58px 72px; }
  .tohoku-winter-feature { margin-bottom: 38px; }
  .tohoku-winter-title { min-height: 230px; padding: 25px 22px; }
  .tohoku-winter-copy { padding: 25px 22px; }
  .tohoku-winter-copy dl { grid-template-columns: 1fr; }
  .tohoku-month summary { grid-template-columns: 48px 74px 1fr auto; gap: 8px; padding: 18px 10px; }
  .tohoku-month summary > span { font-size: 25px; }
  .tohoku-month summary > strong { font-size: 17px; }
  .tohoku-month summary > small { font-size: 9px; }
  .tohoku-month-list li { grid-template-columns: 46px minmax(0, 1fr); gap: 8px 10px; padding: 17px 10px; }
  .tohoku-month-list .official { grid-column: 2; justify-self: start; }
  .tohoku-month-list div strong { font-size: 15px; }
  .tohoku-month-list div p { font-size: 10px; }
  .tohoku-prefecture-grid { grid-template-columns: 1fr; }
  .tohoku-prefecture-grid article { min-height: 300px; }
  .tohoku-sources { gap: 30px; padding-block: 56px 72px; }
}

@media (prefers-reduced-motion: reduce) {
  .tohoku-month-nav { scroll-behavior: auto; }
}