/* itwo.biz archive — colors from JIN theme settings (theme_mods_jin-child) */
:root {
  --green: #249515;
  --green-light: #81d742;
  --green-pale: #eef7ec;
  --text: #333333;
  --muted: #6b6b6b;
  --line: #e2e2e2;
  --bg: #ffffff;
  --bg-soft: #f5f6f5;
  --link: #0044cc;
  --hover: #ff6768;
  --accent: #dd9933;
  --footer: #5e6c77;
  --marker: #ffe2e2;
  --blue: #2294d6;
  --red: #ff6868;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg-soft);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans",
    "Yu Gothic", YuGothic, Meiryo, "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.85;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}
a { color: var(--link); }
a:hover { color: var(--hover); }
img { max-width: 100%; height: auto; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* header */
.site-header { background: var(--green); color: #fff; padding: 22px 0 18px; text-align: center; }
.site-title { margin: 0; font-size: 26px; font-weight: bold; letter-spacing: .04em; line-height: 1.4; }
.site-title a { color: #fff; text-decoration: none; }
.site-desc { margin: 4px 0 0; font-size: 13px; opacity: .9; }
.gnav { background: var(--green-light); }
.gnav ul { list-style: none; margin: 0; padding: 0; }
.gnav > .wrap > ul { display: flex; flex-wrap: wrap; justify-content: center; }
.gnav li { position: relative; }
.gnav a { display: block; color: #fff; text-decoration: none; padding: 10px 14px; font-size: 14px; font-weight: bold; }
.gnav a:hover { background: rgba(0, 0, 0, .08); color: #fff; }
.gnav .sub { display: none; position: absolute; left: 0; top: 100%; background: var(--green); min-width: 240px; z-index: 10; }
.gnav li:hover > .sub, .gnav li:focus-within > .sub { display: block; }
.gnav .sub a { font-weight: normal; }
.notice { background: #fffbe8; border-bottom: 1px solid #f0e3b0; font-size: 13px; color: #5a4a12; }
.notice .wrap { padding-top: 8px; padding-bottom: 8px; }

/* layout */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; padding-top: 24px; padding-bottom: 40px; }
main { min-width: 0; }
@media (max-width: 900px) { .layout { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 520px) { .site-title { font-size: 21px; } .gnav a { padding: 8px 10px; font-size: 13px; } }

/* cards */
.list-title { font-size: 20px; margin: 0 0 16px; padding-left: 10px; border-left: 5px solid var(--green); }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 900px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .cards { grid-template-columns: minmax(0, 1fr); } }
.card { background: #fff; border: 1px solid var(--line); }
.card a { display: block; color: var(--text); text-decoration: none; height: 100%; }
.card a:hover h3 { color: var(--green); }
.thumb { position: relative; aspect-ratio: 16 / 9; background: var(--green-pale); overflow: hidden; }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.noimg { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--green); font-size: 13px; font-weight: bold; padding: 8px; text-align: center; }
.thumb .cat { position: absolute; left: 0; top: 0; background: var(--green); color: #fff; font-size: 11px; padding: 2px 8px; }
.card-body { padding: 10px 12px 14px; }
.card time { font-size: 12px; color: var(--muted); }
.card .meta { margin: 0; line-height: 1.4; }
.card .cat-t, .card .excerpt { display: none; }
.card h3 { font-size: 15px; line-height: 1.55; margin: 4px 0 0; }

.pager { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin: 28px 0 0; }
.pager a, .pager span { display: inline-block; min-width: 38px; padding: 6px 10px; text-align: center; border: 1px solid var(--line); background: #fff; text-decoration: none; font-size: 14px; }
.pager .cur { background: var(--green); border-color: var(--green); color: #fff; }
.pager .gap { border: 0; background: none; }

/* sidebar */
.widget { background: #fff; border: 1px solid var(--line); padding: 14px 16px; margin-bottom: 20px; font-size: 14px; }
.widget h2 { font-size: 15px; margin: 0 0 10px; padding-bottom: 6px; border-bottom: 2px solid var(--green); }
.widget ul { margin: 0; padding-left: 1.1em; }
.widget ul ul { padding-left: 1em; }
.widget li { margin: 4px 0; line-height: 1.5; }
.widget a { color: var(--text); text-decoration: none; }
.widget a:hover { color: var(--green); text-decoration: underline; }
.widget .n { color: var(--muted); font-size: 12px; }
.widget details { margin: 2px 0; }
.widget summary { cursor: pointer; }

/* article */
.crumbs { font-size: 12px; color: var(--muted); margin-bottom: 10px; }
.crumbs a { color: var(--muted); }
.entry { background: #fff; border: 1px solid var(--line); padding: 28px 32px 32px; }
@media (max-width: 600px) { .entry { padding: 20px 16px; } }
.entry > header h1 { font-size: 24px; line-height: 1.5; margin: 0 0 8px; }
.dates { font-size: 13px; color: var(--muted); margin: 0 0 6px; display: flex; flex-wrap: wrap; gap: 4px 16px; }
.cats { margin: 0 0 16px; }
.cats .cat { display: inline-block; background: var(--green); color: #fff; font-size: 12px; padding: 1px 8px; margin-right: 6px; text-decoration: none; }
.eyecatch { margin: 0 0 20px; }
.eyecatch img { display: block; width: 100%; }
.tags { margin: 24px 0 0; font-size: 13px; display: flex; flex-wrap: wrap; gap: 4px 12px; }
.tags a { color: var(--muted); }

.content h2 { font-size: 20px; line-height: 1.5; margin: 40px 0 16px; padding: 10px 14px; background: var(--green-pale); border-left: 6px solid var(--green); }
.content h3 { font-size: 18px; margin: 32px 0 12px; padding-bottom: 6px; border-bottom: 2px solid var(--green); }
.content h4 { font-size: 16px; margin: 24px 0 10px; padding-left: 8px; border-left: 3px solid var(--green-light); }
.content p { margin: 0 0 1.2em; }
.content table { border-collapse: collapse; width: 100%; margin: 0 0 1.2em; display: block; overflow-x: auto; }
.content th, .content td { border: 1px solid var(--line); padding: 6px 10px; }
.content th { background: var(--bg-soft); }
.content blockquote { margin: 0 0 1.2em; padding: 12px 16px; background: var(--bg-soft); border-left: 4px solid #ccc; }
.content pre { background: #f6f8fa; border: 1px solid var(--line); padding: 12px; overflow-x: auto; font-size: 13px; line-height: 1.6; white-space: pre; }
.content iframe { max-width: 100%; }
.content .alignnone { margin: 0 0 1em; }
.content .aligncenter { display: block; margin: 0 auto 1em; }
.content .alignright { float: right; margin: 0 0 1em 1em; }
.content .alignleft { float: left; margin: 0 1em 1em 0; }
.content::after { content: ""; display: block; clear: both; }
@media (max-width: 600px) { .content .alignright, .content .alignleft { float: none; margin: 0 auto 1em; display: block; } }
.wp-caption { margin: 0 0 1.2em; max-width: 100%; }
.wp-caption.aligncenter { margin-left: auto; margin-right: auto; }
.wp-caption figcaption { font-size: 13px; color: var(--muted); text-align: center; }

/* boxes used in the original content (JIN / Dangan Page Builder / DecoPress) */
.simple-box1, .simple-box5, .simple-box6, .concept-box1, .concept-box2, .sc-box03, .sc-deco, .sc-colored, .sc-check, .myd-box--medium, .point-wrapper {
  margin: 0 0 1.4em; padding: 16px 18px; border: 2px solid var(--line); background: #fff;
}
.simple-box1 { border-color: #51a5d6; }
.simple-box5 { border-color: var(--green); background: var(--green-pale); }
.simple-box6 { border: 0; background: var(--bg-soft); }
.concept-box1 { border-color: var(--green); }
.concept-box2 { border-color: var(--red); }
.sc-box03 { border-color: var(--blue); }
.box-title { font-weight: bold; color: var(--blue); margin-bottom: 6px; }
.sc-deco.chalkboard { background: #2f4f3a; color: #fff; border-color: #6b4a2b; }
.sc-colored { background: #fdeeee; border: 0; }
.myd-box__title { font-weight: bold; }
.background-color--option1 { background: var(--green-pale); }
.background-color--green { background: var(--green-pale); }
.background-color--red { background: #fdeeee; }
.border-color--option, .border-color--option1 { border-color: var(--green); }
.radius-3 { border-radius: 3px; }
.btn, .myd-button { display: inline-block; padding: 10px 24px; background: var(--red); color: #fff !important; text-decoration: none; font-weight: bold; border-radius: 3px; }
.btn:hover, .myd-button:hover { opacity: .85; }
.btn.red { background: var(--red); }
.btn.blue { background: var(--blue); }
.button--large { padding: 14px 32px; font-size: 17px; }
.button--small { padding: 6px 14px; font-size: 13px; }
.sc-btn { text-align: center; }
.archive-ended { color: #b03a2e; font-weight: bold; }
.video { position: relative; aspect-ratio: 16 / 9; margin: 0 0 1em; background: #000; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-link { font-size: 14px; }

/* blog card */
.blogcard { display: flex; gap: 12px; border: 1px solid var(--line); background: #fff; padding: 10px; margin: 0 0 1.4em; text-decoration: none; color: var(--text) !important; }
.blogcard:hover { background: var(--bg-soft); }
.bc-img { flex: 0 0 160px; aspect-ratio: 16 / 9; background: var(--green-pale); overflow: hidden; }
.bc-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.bc-body { display: flex; flex-direction: column; min-width: 0; }
.bc-title { font-weight: bold; line-height: 1.5; color: var(--link); }
.bc-excerpt { font-size: 12px; color: var(--muted); line-height: 1.6; margin-top: 4px; }
.bc-site { font-size: 11px; color: var(--muted); margin-top: auto; }
@media (max-width: 520px) { .bc-img { flex-basis: 100px; } .bc-excerpt { display: none; } }

/* prev/next & related */
.prevnext { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0; }
.prevnext a { display: block; background: #fff; border: 1px solid var(--line); padding: 10px 14px; text-decoration: none; color: var(--text); font-size: 14px; line-height: 1.5; }
.prevnext a span { display: block; font-size: 12px; color: var(--green); margin-bottom: 2px; }
.prevnext .newer { text-align: right; }
.related { margin-top: 24px; }
.related h2 { font-size: 18px; padding-left: 10px; border-left: 5px solid var(--green); }

/* footer */
.site-footer { background: var(--footer); color: #fff; padding: 24px 0; font-size: 13px; }
.fnav { list-style: none; margin: 0 0 10px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 20px; justify-content: center; }
.fnav a { color: #fff; }
.copy { text-align: center; margin: 0; opacity: .85; }

/* 採用デザイン（案B「読みもの」型、2026-11-04 決定）
   白いヘッダーと緑の差し色、抜粋つきの1列一覧。
   本文エリアとサイドバーは A案と同じく、薄いグレーの背景に白い枠で区切る。 */

/* header */
.site-header { background: #fff; color: var(--text); text-align: left; border-top: 5px solid var(--green); border-bottom: 1px solid var(--line); padding: 20px 0 16px; }
.site-title { font-size: 23px; }
.site-title a { color: var(--text); }
.site-title a::before { content: ""; display: inline-block; width: 12px; height: 12px; background: var(--green); margin-right: 10px; vertical-align: 2px; }
.site-desc { color: var(--muted); margin-left: 22px; }

/* global menu: one line; scrolls sideways on narrow screens instead of wrapping */
.gnav { background: #fff; border-bottom: 1px solid var(--line); }
.gnav > .wrap > ul { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.gnav > .wrap > ul::-webkit-scrollbar { display: none; }
.gnav li { flex: 0 0 auto; }
.gnav a { color: var(--text); font-weight: normal; padding: 10px 20px 10px 0; white-space: nowrap; }
.gnav a:hover { background: none; color: var(--green); }
.gnav .sub { background: #fff; border: 1px solid var(--line); }
.gnav .sub a { padding: 8px 12px; }
@media (max-width: 520px) {
  .site-title { font-size: 20px; }
  .site-desc { margin-left: 22px; font-size: 12px; }
  .gnav a { padding: 9px 16px 9px 0; font-size: 13px; }
  .notice { font-size: 12px; }
}
.notice { background: var(--green-pale); border: 0; border-bottom: 1px solid #d9ead5; color: #2d4a27; }

/* list pages: one-column rows inside a white panel */
.list-title { border-left: 0; padding-left: 0; padding-bottom: 8px; border-bottom: 2px solid var(--green); }
.cards { grid-template-columns: minmax(0, 1fr); gap: 0; background: #fff; border: 1px solid var(--line); padding: 0 24px; }
.card { border: 0; border-bottom: 1px solid var(--line); background: none; }
.card:last-child { border-bottom: 0; }
.card a { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 20px; padding: 20px 0; }
.thumb .cat { display: none; }
.card-body { padding: 0; }
.card .meta { display: flex; flex-wrap: wrap; gap: 0 12px; align-items: baseline; }
.card time { white-space: nowrap; }
.card .cat-t { display: inline; font-size: 12px; color: var(--green); font-weight: bold; }
.card h3 { font-size: 18px; margin-top: 4px; }
.card .excerpt { display: block; font-size: 14px; color: var(--muted); line-height: 1.7; margin: 6px 0 0; }
@media (max-width: 600px) {
  .cards { padding: 0 14px; }
  .card a { grid-template-columns: 112px minmax(0, 1fr); gap: 12px; padding: 14px 0; }
  .card h3 { font-size: 15px; }
  .card .excerpt { display: none; }
}

/* related posts: small cards in a white panel */
.related { background: #fff; border: 1px solid var(--line); padding: 4px 24px 24px; }
.related h2 { border-left: 0; padding-left: 0; padding-bottom: 6px; border-bottom: 2px solid var(--green); }
.related .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; border: 0; padding: 0; }
.related .card { border: 1px solid var(--line); }
.related .card a { display: block; padding: 0; }
.related .card-body { padding: 8px 10px 12px; }
.related .card .excerpt, .related .card .cat-t { display: none; }
.related .card h3 { font-size: 14px; }
@media (max-width: 600px) { .related { padding: 4px 14px 16px; } .related .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 0; } }

/* article (white panel as in design A, with B's typography) */
.entry > header h1 { font-size: 27px; }
@media (max-width: 600px) { .entry > header h1 { font-size: 22px; } }
.content { font-size: 17px; }
.content h2 { background: none; border-left: 0; padding: 0 0 8px; border-bottom: 2px solid var(--green); }
.content h3 { border-bottom: 0; padding: 0 0 0 10px; border-left: 4px solid var(--green); }
.crumbs { margin-bottom: 12px; }

/* table of contents (2026-11-04) */
.toc { margin: 0 0 28px; border: 1px solid var(--line); background: var(--bg-soft); }
.toc summary { cursor: pointer; padding: 10px 16px; font-weight: bold; }
.toc ol { margin: 0; padding: 0 20px 14px 2.2em; font-size: 15px; line-height: 1.7; }
.toc ol ol { padding: 2px 0 2px 1.4em; font-size: 14px; }
.toc a { color: var(--text); text-decoration: none; }
.toc a:hover { color: var(--green); text-decoration: underline; }
.content h2[id], .content h3[id] { scroll-margin-top: 12px; }

/* sidebar: all-posts link and "more" link */
.widget-all { padding: 0; }
.all-link { display: block; padding: 12px 16px; font-weight: bold; color: var(--text) !important; text-decoration: none !important; border-left: 5px solid var(--green); }
.all-link:hover { background: var(--green-pale); }
.all-link .n { font-weight: normal; color: var(--muted); font-size: 13px; }
.widget .more { margin: 10px 0 0; font-size: 13px; }
.widget .more a { color: var(--link); }

/* all posts / category list pages */
.allposts { background: #fff; border: 1px solid var(--line); padding: 8px 24px 24px; }
.allposts .year-nav { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 14px; margin: 12px 0 4px; }
.allposts h2 { font-size: 18px; margin: 24px 0 8px; padding-bottom: 6px; border-bottom: 2px solid var(--green); scroll-margin-top: 12px; }
.allposts h2 .n { font-size: 13px; font-weight: normal; color: var(--muted); }
.allposts ul { list-style: none; margin: 0; padding: 0; }
.allposts li { display: flex; flex-wrap: wrap; gap: 0 12px; align-items: baseline; padding: 7px 0; border-bottom: 1px solid var(--line); line-height: 1.6; }
.allposts li time { font-size: 13px; color: var(--muted); white-space: nowrap; }
.allposts li a { flex: 1 1 280px; }
.allposts .cat-t { font-size: 12px; color: var(--green); }
.catlist ul ul { padding-left: 1.4em; }
.catlist li { display: list-item; border: 0; padding: 4px 0; }
.catlist > ul > li { border-bottom: 1px solid var(--line); padding: 8px 0; }
.catlist .n { color: var(--muted); font-size: 12px; }
@media (max-width: 600px) { .allposts { padding: 4px 14px 16px; } }