:root{color-scheme:light dark;--ink: #1b2230;--ink-soft: #5a6474;--ink-faint: #8b94a3;--bg: #fbfaf8;--surface: #ffffff;--line: #e3e1dd;--line-soft: #efedea;--accent: #2f5d7c;--accent-ink: #1f4056;--accent-bg: #eef3f7;--warn-bg: #fdf6e8;--warn-line: #e8d9b4;--wrap: 44rem;--radius: 10px}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--ink: #e6e8ec;--ink-soft: #a3abb8;--ink-faint: #7d8593;--bg: #12151b;--surface: #1a1e26;--line: #2b313b;--line-soft: #232830;--accent: #8ab4d4;--accent-ink: #a9cae4;--accent-bg: #1b2530;--warn-bg: #241f14;--warn-line: #4a3f27}}:root[data-theme=dark]{--ink: #e6e8ec;--ink-soft: #a3abb8;--ink-faint: #7d8593;--bg: #12151b;--surface: #1a1e26;--line: #2b313b;--line-soft: #232830;--accent: #8ab4d4;--accent-ink: #a9cae4;--accent-bg: #1b2530;--warn-bg: #241f14;--warn-line: #4a3f27}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Yu Gothic,Meiryo,sans-serif;font-size:16px;line-height:1.85;font-feature-settings:"palt" 1}a{color:var(--accent);text-underline-offset:3px}a:hover{color:var(--accent-ink)}img{max-width:100%;height:auto}.wrap{width:min(100% - 32px,var(--wrap));margin-inline:auto}.wrap-wide{width:min(100% - 32px,64rem);margin-inline:auto}.site-banner{display:block;background:#0f1a20;line-height:0}.site-banner img{width:100%;height:var(--banner-h, clamp(104px, 25vw, 320px));object-fit:cover;object-position:var(--banner-focus, 50% 0%);display:block}.gnav{background:#23282d}.gnav__list{list-style:none;margin:0;padding:0;display:flex;gap:0;overflow-x:auto;scrollbar-width:none}.gnav__list::-webkit-scrollbar{display:none}.gnav__list a{display:block;padding:13px 16px;color:#e9ecef;text-decoration:none;font-size:.84rem;white-space:nowrap}.gnav__list a:hover{background:#2f353b;color:#fff}.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start;padding:24px 0 0}.layout--full{grid-template-columns:minmax(0,1fr)}.layout__main{min-width:0}@media(max-width:900px){.layout{grid-template-columns:minmax(0,1fr);gap:28px}}.site-footer{margin-top:48px;border-top:1px solid var(--line);background:var(--surface);padding:24px 0 36px}.site-footer__links{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:.84rem}.site-footer__note{margin-top:14px;color:var(--ink-faint);font-size:.76rem;line-height:1.8}.cards{display:flex;flex-direction:column;gap:14px}.card{display:grid;grid-template-columns:var(--thumb-w, 220px) minmax(0,1fr);gap:16px;padding:14px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.card:hover{border-color:var(--accent)}.card__thumb{display:block;aspect-ratio:var(--thumb-ratio, 16 / 9);border-radius:6px;overflow:hidden;background:var(--line-soft)}.card__thumb img{width:100%;height:100%;object-fit:cover;display:block}.card__body{min-width:0;display:flex;flex-direction:column}.card__title{margin:6px 0 0;font-size:.98rem;line-height:1.55;font-weight:700}.card__title a{color:inherit;text-decoration:none}.card__title a:hover{color:var(--accent)}.card__excerpt{margin:7px 0 0;font-size:.8rem;line-height:1.75;color:var(--ink-soft)}.card__date{margin-top:auto;padding-top:8px;font-size:.74rem;color:var(--ink-faint);text-align:right}.tag{align-self:flex-start;display:inline-block;padding:2px 8px;border-radius:3px;background:var(--accent-bg);color:var(--accent-ink);text-decoration:none;font-size:.7rem;font-weight:600;letter-spacing:.02em;white-space:nowrap}a.tag:hover{background:var(--accent);color:#fff}@media(max-width:560px){.card{grid-template-columns:var(--thumb-w-sp, 128px) minmax(0,1fr);gap:12px;padding:12px}.card__excerpt{display:none}}.sidebar{display:flex;flex-direction:column;gap:22px}.sidebar__pin{position:sticky;top:12px}@media(max-width:900px){.sidebar__pin{position:static}}.widget{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:14px 16px 16px}.widget__title{margin:0 0 10px;font-size:.82rem;font-weight:700;letter-spacing:.04em;padding-bottom:8px;border-bottom:2px solid var(--accent)}.widget__note{margin:0 0 10px;font-size:.74rem;color:var(--ink-faint)}.widget__list{list-style:none;margin:0;padding:0}.widget__list li+li{margin-top:9px;padding-top:9px;border-top:1px solid var(--line-soft)}.widget__list a{font-size:.82rem;line-height:1.65;text-decoration:none;color:inherit;display:block}.widget__list a:hover{color:var(--accent)}.widget__list--plain li+li{margin-top:6px;padding-top:6px}.sns{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px}.sns__btn{display:block;padding:9px 4px;border-radius:5px;text-align:center;color:#fff;text-decoration:none;font-size:.76rem;font-weight:700;letter-spacing:.03em}.sns__btn:hover{opacity:.85;color:#fff}.sns__btn--x{background:#14171a}.sns__btn--yt{background:#c4302b}.sns__btn--note{background:#2cb696}.sns__btn--rss{background:#f0962c}.searchbox{display:flex;gap:6px}.searchbox input{flex:1 1 auto;min-width:0;padding:9px 11px;font-size:.84rem;border:1px solid var(--line);border-radius:5px;background:var(--bg);color:var(--ink)}.searchbox input:focus{outline:2px solid var(--accent);outline-offset:-1px}.searchbox button{flex:0 0 auto;padding:9px 14px;font-size:.8rem;font-weight:700;cursor:pointer;border:1px solid var(--accent);border-radius:5px;background:var(--accent);color:#fff}.searchbox button:hover{opacity:.88}.searchbox--page{max-width:34rem;margin:16px 0 0}.search-hint{margin:12px 0 0;font-size:.78rem;color:var(--ink-faint);display:flex;flex-wrap:wrap;gap:6px;align-items:center}.chip-btn{border:1px solid var(--line);background:var(--surface);color:var(--accent-ink);border-radius:999px;padding:3px 11px;font-size:.76rem;cursor:pointer;font-family:inherit}.chip-btn:hover{border-color:var(--accent)}.search-count{margin:20px 0 10px;font-size:.84rem;color:var(--ink-soft)}.search-empty{font-size:.86rem;color:var(--ink-soft)}.pager{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin:28px 0 0}.pager__nums{list-style:none;margin:0;padding:0;display:flex;gap:5px}.pager__num{display:grid;place-items:center;min-width:34px;height:34px;padding:0 8px;border:1px solid var(--line);border-radius:5px;background:var(--surface);text-decoration:none;font-size:.84rem;color:inherit;font-variant-numeric:tabular-nums}.pager__num:hover{border-color:var(--accent)}.pager__num--now{background:var(--accent);border-color:var(--accent);color:#fff}.pager__step{font-size:.84rem;text-decoration:none}.pager__step:hover{text-decoration:underline}.page-title{font-size:1.5rem;line-height:1.45;margin:32px 0 8px;letter-spacing:.01em}.page-lead{color:var(--ink-soft);font-size:.9rem;margin:0 0 24px}.section-title{font-size:.82rem;font-weight:700;letter-spacing:.08em;color:var(--ink-faint);margin:40px 0 4px;text-transform:none}.article__head{margin:32px 0 0}.article__meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:.78rem;color:var(--ink-faint)}.article__title{font-size:1.42rem;line-height:1.5;margin:12px 0 0;letter-spacing:.01em}.freshness{margin:16px 0 0;padding:8px 12px;background:var(--warn-bg);border-left:3px solid var(--warn-line);border-radius:0 4px 4px 0;font-size:.78rem;line-height:1.7;color:var(--ink-soft)}.summary{margin:24px 0 0;padding:16px 18px;background:var(--accent-bg);border-radius:var(--radius)}.summary__title{margin:0 0 8px;font-size:.8rem;font-weight:700;letter-spacing:.06em;color:var(--accent-ink)}.summary ul{margin:0;padding-left:1.1em}.summary li{font-size:.9rem;line-height:1.8}.summary li+li{margin-top:4px}.toc{margin:24px 0 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}.toc>summary{cursor:pointer;padding:12px 16px;font-size:.78rem;font-weight:700;letter-spacing:.06em;color:var(--ink-faint);list-style:none;display:flex;align-items:center;gap:8px}.toc>summary::-webkit-details-marker{display:none}.toc>summary:after{content:"▾";margin-left:auto}.toc[open]>summary:after{content:"▴"}.toc ul{margin:0;padding:0 16px 14px;list-style:none}.toc li{font-size:.86rem;line-height:1.7;display:flex;gap:8px;align-items:baseline}.toc li+li{margin-top:6px}.toc__no{flex:0 0 auto;min-width:2.2em;font-size:.74rem;font-weight:700;color:var(--accent-ink);font-variant-numeric:tabular-nums;letter-spacing:.02em}.toc__sub{padding-left:1.5em}.toc__sub a{color:var(--ink-soft);font-size:.82rem}.toc a{text-decoration:none}.toc a:hover{text-decoration:underline;color:var(--accent)}.article__hero{margin:20px 0 0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--line-soft)}.article__hero img{width:100%;aspect-ratio:var(--thumb-ratio, 16 / 9);object-fit:cover;display:block}.stock-chip{display:inline-flex;align-items:baseline;gap:6px;margin:20px 0 0;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface);text-decoration:none;color:inherit;font-size:.84rem}.stock-chip:hover{border-color:var(--accent)}.stock-chip__code{font-variant-numeric:tabular-nums;color:var(--ink-faint);font-size:.78rem}.prose{margin-top:28px}.prose h2{font-size:1.22rem;line-height:1.5;margin:52px 0 16px;font-weight:700;padding:0 0 10px;border-bottom:2px solid var(--accent);scroll-margin-top:72px;letter-spacing:.01em}.prose h3{font-size:1.02rem;line-height:1.55;margin:32px 0 10px;font-weight:700;padding:0 0 0 12px;border-left:4px solid var(--accent);border-bottom:0;color:var(--ink);scroll-margin-top:72px}.prose h4{font-size:.95rem;margin:24px 0 8px;color:var(--ink-soft)}.prose p{margin:0 0 1.3em}.prose ul,.prose ol{padding-left:1.4em;margin:0 0 1.3em}.prose li{margin-bottom:.4em}.prose strong{font-weight:700}.prose figure{margin:24px 0}.prose img{border-radius:var(--radius);display:block}.prose section+section{margin-top:36px}.prose figcaption{margin-top:8px;font-size:.76rem;line-height:1.75;color:var(--ink-faint);text-align:center}.prose li>ul,.prose li>ol{margin:.4em 0 .2em}.prose li>ul>li{font-size:.95em}.prose blockquote{margin:24px 0;padding:4px 0 4px 16px;border-left:3px solid var(--line);color:var(--ink-soft)}.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius)}.prose table{border-collapse:collapse;width:max-content;min-width:100%;font-size:.84rem;line-height:1.7;background:var(--surface)}.prose th,.prose td{padding:9px 12px;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:top}.prose th{background:var(--accent-bg);font-weight:700;color:var(--accent-ink);white-space:normal;word-break:keep-all;line-height:1.5}.prose td.num,.prose th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.prose tbody tr:last-child td{border-bottom:0}.prose td{min-width:6em;max-width:24em}.prose td.num{min-width:5em}.prose th:first-child,.prose td:first-child{position:sticky;left:0;background:var(--surface)}.prose th:first-child{background:var(--accent-bg)}.table-hint{margin:6px 0 0;font-size:.74rem;color:var(--ink-faint)}.prose details{margin:24px 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}.prose details>summary{cursor:pointer;padding:12px 16px;font-size:.88rem;font-weight:700;list-style:none;display:flex;align-items:center;gap:8px}.prose details>summary::-webkit-details-marker{display:none}.prose details>summary:after{content:"▾";margin-left:auto;color:var(--ink-faint)}.prose details[open]>summary:after{content:"▴"}.prose details>*:not(summary){padding-inline:16px}.prose details>*:last-child{padding-bottom:12px}.video-section{margin:48px 0 0;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}.video-section>summary{cursor:pointer;padding:14px 18px;font-size:.9rem;font-weight:700;list-style:none;display:flex;align-items:center;gap:8px}.video-section>summary::-webkit-details-marker{display:none}.video-section>summary:after{content:"▾";margin-left:auto;color:var(--ink-faint)}.video-section[open]>summary:after{content:"▴"}.video-section__body{padding:0 18px 18px}.video-frame{position:relative;aspect-ratio:16 / 9;border-radius:var(--radius);overflow:hidden;background:#000}.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.video-caption{margin:8px 0 0;font-size:.78rem;color:var(--ink-faint);line-height:1.7}.article-disclaimer{margin:40px 0 0;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);font-size:.78rem;line-height:1.85;color:var(--ink-soft)}.article-disclaimer__title{margin:0 0 6px;font-size:.78rem;font-weight:700;color:var(--ink)}.article-disclaimer p{margin:0}.tags{display:flex;flex-wrap:wrap;gap:8px;margin:32px 0 0}.tags__item{display:inline-block;padding:5px 12px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:.78rem;text-decoration:none;color:var(--ink-soft)}.tags__item:before{content:"#";margin-right:3px;color:var(--ink-faint)}.tags__item:hover{border-color:var(--accent);color:var(--accent)}.related{margin-top:48px}.related__grid{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:14px;grid-template-columns:repeat(3,minmax(0,1fr))}.related__item{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--surface)}.related__item:hover{border-color:var(--accent)}.related__item:hover .related__title{color:var(--accent)}.related__thumb{display:block;aspect-ratio:var(--thumb-ratio, 16 / 9);background:var(--line-soft)}.related__thumb img{width:100%;height:100%;object-fit:cover;display:block}.related__title{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font-size:.8rem;line-height:1.6;font-weight:700;padding:10px 12px 12px}@media(max-width:640px){.related__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.related__title{font-size:.76rem;padding:8px 10px 10px}}.stock-grid{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr))}.stock-card{display:block;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);text-decoration:none;color:inherit}.stock-card:hover{border-color:var(--accent)}.stock-card__code{font-size:.74rem;color:var(--ink-faint);font-variant-numeric:tabular-nums;letter-spacing:.04em}.stock-card__name{font-weight:700;font-size:.95rem;margin-top:2px}.stock-card__count{font-size:.74rem;color:var(--ink-faint);margin-top:4px}@media(max-width:480px){.article__title{font-size:1.24rem}.prose h2{font-size:1.05rem}.post-item__thumb{flex-basis:104px}.lead-post__title{font-size:1.02rem}}.contact{display:flex;flex-direction:column;gap:16px;margin:20px 0 0}.contact__row{display:flex;flex-direction:column;gap:6px}.contact__label{font-size:.84rem;font-weight:700;display:flex;align-items:center;gap:8px}.contact__label i{font-style:normal;font-size:.68rem;font-weight:700;letter-spacing:.04em;padding:2px 6px;border-radius:3px;background:#c0392b;color:#fff}.contact input,.contact textarea{width:100%;padding:10px 12px;font:inherit;font-size:.9rem;line-height:1.7;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink)}.contact input:focus,.contact textarea:focus{outline:2px solid var(--accent);outline-offset:-1px}.contact textarea{resize:vertical}.contact__trap{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}.contact__note{margin:0;font-size:.76rem;color:var(--ink-faint);line-height:1.8}.contact__submit{align-self:flex-start;padding:11px 28px;font:inherit;font-size:.9rem;font-weight:700;cursor:pointer;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#fff}.contact__submit:hover:not(:disabled){opacity:.88}.contact__submit:disabled{opacity:.5;cursor:default}.contact__msg{margin:0;font-size:.84rem;line-height:1.8;white-space:pre-line}.contact__msg--ok{color:#1f7a4d;font-weight:700}.contact__msg--ng{color:#c0392b;font-weight:700}.offers{margin:40px 0 0;display:flex;flex-direction:column;gap:12px}.offer{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:16px 18px}.offer__head{display:flex;align-items:center;gap:8px}.offer__title{font-size:.92rem;font-weight:700;line-height:1.5}.offer__pr{flex:0 0 auto;font-size:.64rem;font-weight:700;letter-spacing:.06em;padding:2px 6px;border-radius:3px;border:1px solid var(--line);color:var(--ink-faint);background:var(--bg)}.offer__image{margin:10px 0 0;border-radius:6px;display:block}.offer__body{margin:8px 0 0;font-size:.82rem;line-height:1.8;color:var(--ink-soft)}.offer__cta{display:inline-block;margin:12px 0 0;padding:9px 20px;border:1px solid var(--accent);border-radius:6px;background:var(--accent);color:#fff;text-decoration:none;font-size:.84rem;font-weight:700}.offer__cta:hover{opacity:.88;color:#fff}.offers--compact{margin:0}.offers--compact .offer{padding:14px 16px}.offers--compact .offer__title{font-size:.84rem}.offers--compact .offer__body{font-size:.76rem}.offers--compact .offer__cta{width:100%;text-align:center;padding:9px 12px}.notecards{margin:40px 0 0;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.notecards__head{margin:0 0 12px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.notecards__label{flex:0 0 auto;padding:3px 10px;border-radius:4px;background:#2cb696;color:#fff;font-size:.7rem;font-weight:700;letter-spacing:.06em}.notecards__lead{font-size:.8rem;color:var(--ink-soft);line-height:1.6}.notecards__list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.notecard{display:grid;grid-template-columns:112px minmax(0,1fr);gap:12px;align-items:center;padding:8px;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:inherit;background:var(--bg)}.notecard:hover{border-color:#2cb696}.notecard:hover .notecard__title{color:#1f8a71}.notecard__thumb{display:block;aspect-ratio:16 / 9;border-radius:5px;overflow:hidden;background:var(--line-soft)}.notecard__thumb img{width:100%;height:100%;object-fit:cover;display:block}.notecard__body{min-width:0}.notecard__title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.86rem;line-height:1.55;font-weight:700}.notecard__excerpt{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:4px;font-size:.76rem;line-height:1.7;color:var(--ink-soft)}.notecards__more{margin:12px 0 0;font-size:.8rem}.notecards__more a{text-decoration:none;font-weight:700}.notecards__more a:hover{text-decoration:underline}.notecards--compact{margin:0;padding:14px 16px}.notecards--compact .notecards__lead{display:none}.notecards--compact .notecard{grid-template-columns:minmax(0,1fr);gap:8px}.notecards--compact .notecard__title{font-size:.8rem;-webkit-line-clamp:3}@media(max-width:480px){.notecard{grid-template-columns:96px minmax(0,1fr);gap:10px}.notecard__excerpt{display:none}}.notecard--primary{grid-template-columns:150px minmax(0,1fr);background:var(--surface);border-color:#2cb696}.notecard--primary .notecard__title{-webkit-line-clamp:3;font-size:.92rem}.notecard__cta{display:block;margin-top:8px;font-size:.8rem;font-weight:700;color:#1f8a71}.notecards__sub{margin:16px 0 6px;font-size:.74rem;font-weight:700;letter-spacing:.04em;color:var(--ink-faint)}@media(max-width:480px){.notecard--primary{grid-template-columns:110px minmax(0,1fr)}}.paywall{margin:36px 0 0;text-align:center}.paywall__line{display:flex;align-items:center;gap:12px;margin:0;font-size:.82rem;font-weight:700;color:var(--ink-soft);letter-spacing:.08em}.paywall__line:before,.paywall__line:after{content:"";flex:1;border-top:1px dashed var(--line)}.paywall__amount{margin:6px 0 0;font-size:.76rem;color:var(--ink-soft);font-variant-numeric:tabular-nums}.paywall__box{margin:14px 0 0;padding:18px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.paywall__lead{margin:0;font-size:.92rem;line-height:1.6}.paywall__lead b{color:#1f8a71}.paywall__title{margin:8px 0 0;font-size:.84rem;line-height:1.6;color:var(--ink-soft)}.paywall__btn{display:inline-block;margin:14px 0 0;padding:11px 26px;border-radius:999px;background:#2cb696;color:#fff;font-size:.88rem;font-weight:700;text-decoration:none}.paywall__btn:hover{background:#1f8a71;color:#fff}.notelead{margin:20px 0 0;padding:14px 16px;border:1px solid #b9e3d6;border-radius:var(--radius);background:#f1faf6}.notelead__head{margin:0;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.notelead__lead{font-size:.86rem;font-weight:700;line-height:1.6}.notelead__list{margin:10px 0 0;padding-left:1.3em;font-size:.84rem;line-height:1.75}.notelead__link{display:inline-block;margin:10px 0 0;font-size:.84rem;font-weight:700;color:#1f8a71;text-decoration:none}.notelead__link:hover{text-decoration:underline}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .notelead{background:#16302a;border-color:#24584b}:root:not([data-theme=light]) .notelead__link{color:#6fce9f}}.offer__note,.offer__risk{margin:6px 0 0;font-size:.72rem;color:var(--ink-soft);line-height:1.7}.offer__banner{display:block;margin:0 0 12px;max-width:300px}.offer__banner img{display:block;width:100%;height:auto;border-radius:6px}